Commit 56735e05fed77a3920a8cac262666c9eb0e75b66
2014-11-12T07:11:53
Merge branch 'go-closure' of https://github.com/rth7680/libffi into rth7680-go-closure Conflicts: src/aarch64/ffi.c
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diff --git a/Makefile.am b/Makefile.am
index 0e40451..7766e90 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -36,9 +36,9 @@ EXTRA_DIST = LICENSE ChangeLog.v1 ChangeLog.libgcj \
src/sh/ffi.c src/sh/sysv.S src/sh/ffitarget.h src/sh64/ffi.c \
src/sh64/sysv.S src/sh64/ffitarget.h src/sparc/v8.S \
src/sparc/v9.S src/sparc/ffitarget.h src/sparc/ffi.c \
- src/x86/darwin64.S src/x86/ffi.c src/x86/sysv.S \
- src/x86/win32.S src/x86/darwin.S src/x86/win64.S \
- src/x86/freebsd.S src/x86/ffi64.c src/x86/unix64.S \
+ src/sparc/ffi64.c src/x86/darwin64.S src/x86/ffi.c src/x86/sysv.S \
+ src/x86/darwin.S src/x86/ffiw64.c src/x86/win64.S \
+ src/x86/ffi64.c src/x86/unix64.S \
src/x86/ffitarget.h src/pa/ffitarget.h src/pa/ffi.c \
src/pa/linux.S src/pa/hpux32.S src/frv/ffi.c src/bfin/ffi.c \
src/bfin/ffitarget.h src/bfin/sysv.S src/frv/eabi.S \
@@ -48,9 +48,9 @@ EXTRA_DIST = LICENSE ChangeLog.v1 ChangeLog.libgcj \
src/xtensa/ffitarget.h src/xtensa/ffi.c src/xtensa/sysv.S \
ChangeLog.libffi m4/libtool.m4 m4/lt~obsolete.m4 \
m4/ltoptions.m4 m4/ltsugar.m4 m4/ltversion.m4 \
- m4/ltversion.m4 src/arm/gentramp.sh src/debug.c msvcc.sh \
+ m4/ltversion.m4 src/debug.c msvcc.sh \
generate-darwin-source-and-headers.py \
- libffi.xcodeproj/project.pbxproj src/arm/trampoline.S \
+ libffi.xcodeproj/project.pbxproj \
libtool-ldflags ChangeLog.libffi-3.1
info_TEXINFOS = doc/libffi.texi
@@ -126,25 +126,22 @@ if BFIN
nodist_libffi_la_SOURCES += src/bfin/ffi.c src/bfin/sysv.S
endif
if X86
-nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/sysv.S src/x86/win32.S
+nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/sysv.S
endif
if X86_FREEBSD
-nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/freebsd.S src/x86/win32.S
+nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/sysv.S
endif
if X86_WIN32
-nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/win32.S
+nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/sysv.S
endif
if X86_WIN64
-nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/win64.S
+nodist_libffi_la_SOURCES += src/x86/ffiw64.c src/x86/win64.S
endif
if X86_DARWIN
nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/darwin.S src/x86/ffi64.c src/x86/darwin64.S
-if X86_DARWIN32
-nodist_libffi_la_SOURCES += src/x86/win32.S
-endif
endif
if SPARC
-nodist_libffi_la_SOURCES += src/sparc/ffi.c src/sparc/v8.S src/sparc/v9.S
+nodist_libffi_la_SOURCES += src/sparc/ffi.c src/sparc/ffi64.c src/sparc/v8.S src/sparc/v9.S
endif
if ALPHA
nodist_libffi_la_SOURCES += src/alpha/ffi.c src/alpha/osf.S
@@ -193,9 +190,6 @@ nodist_libffi_la_SOURCES += src/arc/arcompact.S src/arc/ffi.c
endif
if ARM
nodist_libffi_la_SOURCES += src/arm/sysv.S src/arm/ffi.c
-if FFI_EXEC_TRAMPOLINE_TABLE
-nodist_libffi_la_SOURCES += src/arm/trampoline.S
-endif
endif
if AVR32
nodist_libffi_la_SOURCES += src/avr32/sysv.S src/avr32/ffi.c
diff --git a/include/ffi.h.in b/include/ffi.h.in
index f403ae0..c43d52f 100644
--- a/include/ffi.h.in
+++ b/include/ffi.h.in
@@ -428,6 +428,22 @@ ffi_prep_java_raw_closure_loc (ffi_java_raw_closure*,
#endif /* FFI_CLOSURES */
+#if FFI_GO_CLOSURES
+
+typedef struct {
+ void *tramp;
+ ffi_cif *cif;
+ void (*fun)(ffi_cif*,void*,void**,void*);
+} ffi_go_closure;
+
+ffi_status ffi_prep_go_closure (ffi_go_closure*, ffi_cif *,
+ void (*fun)(ffi_cif*,void*,void**,void*));
+
+void ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure);
+
+#endif /* FFI_GO_CLOSURES */
+
/* ---- Public interface definition -------------------------------------- */
ffi_status ffi_prep_cif(ffi_cif *cif,
diff --git a/include/ffi_cfi.h b/include/ffi_cfi.h
new file mode 100644
index 0000000..244ce57
--- /dev/null
+++ b/include/ffi_cfi.h
@@ -0,0 +1,55 @@
+/* -----------------------------------------------------------------------
+ ffi_cfi.h - Copyright (c) 2014 Red Hat, Inc.
+
+ Conditionally assemble cfi directives. Only necessary for building libffi.
+ ----------------------------------------------------------------------- */
+
+#ifndef FFI_CFI_H
+#define FFI_CFI_H
+
+#ifdef HAVE_AS_CFI_PSEUDO_OP
+
+# define cfi_startproc .cfi_startproc
+# define cfi_endproc .cfi_endproc
+# define cfi_def_cfa(reg, off) .cfi_def_cfa reg, off
+# define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg
+# define cfi_def_cfa_offset(off) .cfi_def_cfa_offset off
+# define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
+# define cfi_offset(reg, off) .cfi_offset reg, off
+# define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
+# define cfi_register(r1, r2) .cfi_register r1, r2
+# define cfi_return_column(reg) .cfi_return_column reg
+# define cfi_restore(reg) .cfi_restore reg
+# define cfi_same_value(reg) .cfi_same_value reg
+# define cfi_undefined(reg) .cfi_undefined reg
+# define cfi_remember_state .cfi_remember_state
+# define cfi_restore_state .cfi_restore_state
+# define cfi_window_save .cfi_window_save
+# define cfi_personality(enc, exp) .cfi_personality enc, exp
+# define cfi_lsda(enc, exp) .cfi_lsda enc, exp
+# define cfi_escape(...) .cfi_escape __VA_ARGS__
+
+#else
+
+# define cfi_startproc
+# define cfi_endproc
+# define cfi_def_cfa(reg, off)
+# define cfi_def_cfa_register(reg)
+# define cfi_def_cfa_offset(off)
+# define cfi_adjust_cfa_offset(off)
+# define cfi_offset(reg, off)
+# define cfi_rel_offset(reg, off)
+# define cfi_register(r1, r2)
+# define cfi_return_column(reg)
+# define cfi_restore(reg)
+# define cfi_same_value(reg)
+# define cfi_undefined(reg)
+# define cfi_remember_state
+# define cfi_restore_state
+# define cfi_window_save
+# define cfi_personality(enc, exp)
+# define cfi_lsda(enc, exp)
+# define cfi_escape(...)
+
+#endif /* HAVE_AS_CFI_PSEUDO_OP */
+#endif /* FFI_CFI_H */
diff --git a/src/aarch64/ffi.c b/src/aarch64/ffi.c
index cdb7816..0cace9d 100644
--- a/src/aarch64/ffi.c
+++ b/src/aarch64/ffi.c
@@ -20,384 +20,207 @@ TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#include <stdio.h>
-
+#include <stdlib.h>
+#include <stdint.h>
#include <ffi.h>
#include <ffi_common.h>
+#include "internal.h"
-#include <stdlib.h>
-
-/* Stack alignment requirement in bytes */
-#if defined (__APPLE__)
-#define AARCH64_STACK_ALIGN 1
+/* Force FFI_TYPE_LONGDOUBLE to be different than FFI_TYPE_DOUBLE;
+ all further uses in this file will refer to the 128-bit type. */
+#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
+# if FFI_TYPE_LONGDOUBLE != 4
+# error FFI_TYPE_LONGDOUBLE out of date
+# endif
#else
-#define AARCH64_STACK_ALIGN 16
+# undef FFI_TYPE_LONGDOUBLE
+# define FFI_TYPE_LONGDOUBLE 4
#endif
-#define N_X_ARG_REG 8
-#define N_V_ARG_REG 8
-
-#define AARCH64_FFI_WITH_V (1 << AARCH64_FFI_WITH_V_BIT)
-
union _d
{
UINT64 d;
UINT32 s[2];
};
+struct _v
+{
+ union _d d[2] __attribute__((aligned(16)));
+};
+
struct call_context
{
- UINT64 x [AARCH64_N_XREG];
- struct
- {
- union _d d[2];
- } v [AARCH64_N_VREG];
+ struct _v v[N_V_ARG_REG];
+ UINT64 x[N_X_ARG_REG];
};
#if defined (__clang__) && defined (__APPLE__)
-extern void
-sys_icache_invalidate (void *start, size_t len);
+extern void sys_icache_invalidate (void *start, size_t len);
#endif
static inline void
ffi_clear_cache (void *start, void *end)
{
#if defined (__clang__) && defined (__APPLE__)
- sys_icache_invalidate (start, (char *)end - (char *)start);
+ sys_icache_invalidate (start, (char *)end - (char *)start);
#elif defined (__GNUC__)
- __builtin___clear_cache (start, end);
+ __builtin___clear_cache (start, end);
#else
#error "Missing builtin to flush instruction cache"
#endif
}
-static void *
-get_x_addr (struct call_context *context, unsigned n)
-{
- return &context->x[n];
-}
+/* A subroutine of is_vfp_type. Given a structure type, return the type code
+ of the first non-structure element. Recurse for structure elements.
+ Return -1 if the structure is in fact empty, i.e. no nested elements. */
-static void *
-get_s_addr (struct call_context *context, unsigned n)
+static int
+is_hfa0 (const ffi_type *ty)
{
-#if defined __AARCH64EB__
- return &context->v[n].d[1].s[1];
-#else
- return &context->v[n].d[0].s[0];
-#endif
-}
+ ffi_type **elements = ty->elements;
+ int i, ret = -1;
-static void *
-get_d_addr (struct call_context *context, unsigned n)
-{
-#if defined __AARCH64EB__
- return &context->v[n].d[1];
-#else
- return &context->v[n].d[0];
-#endif
-}
+ if (elements != NULL)
+ for (i = 0; elements[i]; ++i)
+ {
+ ret = elements[i]->type;
+ if (ret == FFI_TYPE_STRUCT || ret == FFI_TYPE_COMPLEX)
+ {
+ ret = is_hfa0 (elements[i]);
+ if (ret < 0)
+ continue;
+ }
+ break;
+ }
-static void *
-get_v_addr (struct call_context *context, unsigned n)
-{
- return &context->v[n];
+ return ret;
}
-/* Return the memory location at which a basic type would reside
- were it to have been stored in register n. */
+/* A subroutine of is_vfp_type. Given a structure type, return true if all
+ of the non-structure elements are the same as CANDIDATE. */
-static void *
-get_basic_type_addr (unsigned short type, struct call_context *context,
- unsigned n)
+static int
+is_hfa1 (const ffi_type *ty, int candidate)
{
- switch (type)
- {
- case FFI_TYPE_FLOAT:
- return get_s_addr (context, n);
- case FFI_TYPE_DOUBLE:
- return get_d_addr (context, n);
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
- case FFI_TYPE_LONGDOUBLE:
- return get_v_addr (context, n);
-#endif
- case FFI_TYPE_UINT8:
- case FFI_TYPE_SINT8:
- case FFI_TYPE_UINT16:
- case FFI_TYPE_SINT16:
- case FFI_TYPE_UINT32:
- case FFI_TYPE_SINT32:
- case FFI_TYPE_INT:
- case FFI_TYPE_POINTER:
- case FFI_TYPE_UINT64:
- case FFI_TYPE_SINT64:
- return get_x_addr (context, n);
- case FFI_TYPE_VOID:
- return NULL;
- default:
- FFI_ASSERT (0);
- return NULL;
- }
-}
-
-/* Return the alignment width for each of the basic types. */
+ ffi_type **elements = ty->elements;
+ int i;
-static size_t
-get_basic_type_alignment (unsigned short type)
-{
- switch (type)
- {
- case FFI_TYPE_FLOAT:
-#if defined (__APPLE__)
- return sizeof (UINT32);
-#endif
- case FFI_TYPE_DOUBLE:
- return sizeof (UINT64);
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
- case FFI_TYPE_LONGDOUBLE:
- return sizeof (long double);
-#endif
- case FFI_TYPE_UINT8:
- case FFI_TYPE_SINT8:
-#if defined (__APPLE__)
- return sizeof (UINT8);
-#endif
- case FFI_TYPE_UINT16:
- case FFI_TYPE_SINT16:
-#if defined (__APPLE__)
- return sizeof (UINT16);
-#endif
- case FFI_TYPE_UINT32:
- case FFI_TYPE_INT:
- case FFI_TYPE_SINT32:
-#if defined (__APPLE__)
- return sizeof (UINT32);
-#endif
- case FFI_TYPE_POINTER:
- case FFI_TYPE_UINT64:
- case FFI_TYPE_SINT64:
- return sizeof (UINT64);
+ if (elements != NULL)
+ for (i = 0; elements[i]; ++i)
+ {
+ int t = elements[i]->type;
+ if (t == FFI_TYPE_STRUCT || t == FFI_TYPE_COMPLEX)
+ {
+ if (!is_hfa1 (elements[i], candidate))
+ return 0;
+ }
+ else if (t != candidate)
+ return 0;
+ }
- default:
- FFI_ASSERT (0);
- return 0;
- }
+ return 1;
}
-/* Return the size in bytes for each of the basic types. */
+/* Determine if TY may be allocated to the FP registers. This is both an
+ fp scalar type as well as an homogenous floating point aggregate (HFA).
+ That is, a structure consisting of 1 to 4 members of all the same type,
+ where that type is an fp scalar.
-static size_t
-get_basic_type_size (unsigned short type)
+ Returns non-zero iff TY is an HFA. The result is the AARCH64_RET_*
+ constant for the type. */
+
+static int
+is_vfp_type (const ffi_type *ty)
{
- switch (type)
+ ffi_type **elements;
+ int candidate, i;
+ size_t size, ele_count;
+
+ /* Quickest tests first. */
+ candidate = ty->type;
+ switch (candidate)
{
+ default:
+ return 0;
case FFI_TYPE_FLOAT:
- return sizeof (UINT32);
case FFI_TYPE_DOUBLE:
- return sizeof (UINT64);
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
case FFI_TYPE_LONGDOUBLE:
- return sizeof (long double);
-#endif
- case FFI_TYPE_UINT8:
- return sizeof (UINT8);
- case FFI_TYPE_SINT8:
- return sizeof (SINT8);
- case FFI_TYPE_UINT16:
- return sizeof (UINT16);
- case FFI_TYPE_SINT16:
- return sizeof (SINT16);
- case FFI_TYPE_UINT32:
- return sizeof (UINT32);
- case FFI_TYPE_INT:
- case FFI_TYPE_SINT32:
- return sizeof (SINT32);
- case FFI_TYPE_POINTER:
- case FFI_TYPE_UINT64:
- return sizeof (UINT64);
- case FFI_TYPE_SINT64:
- return sizeof (SINT64);
-
- default:
- FFI_ASSERT (0);
- return 0;
- }
-}
-
-extern void
-ffi_call_SYSV (unsigned (*)(struct call_context *context, unsigned char *,
- extended_cif *),
- struct call_context *context,
- extended_cif *,
- size_t,
- void (*fn)(void));
-
-extern void
-ffi_closure_SYSV (ffi_closure *);
-
-/* Test for an FFI floating point representation. */
-
-static unsigned
-is_floating_type (unsigned short type)
-{
- return (type == FFI_TYPE_FLOAT || type == FFI_TYPE_DOUBLE
- || type == FFI_TYPE_LONGDOUBLE);
-}
-
-/* Test for a homogeneous structure. */
-
-static unsigned short
-get_homogeneous_type (ffi_type *ty)
-{
- if (ty->type == FFI_TYPE_STRUCT && ty->elements)
- {
- unsigned i;
- unsigned short candidate_type
- = get_homogeneous_type (ty->elements[0]);
- for (i =1; ty->elements[i]; i++)
- {
- unsigned short iteration_type = 0;
- /* If we have a nested struct, we must find its homogeneous type.
- If that fits with our candidate type, we are still
- homogeneous. */
- if (ty->elements[i]->type == FFI_TYPE_STRUCT
- && ty->elements[i]->elements)
- {
- iteration_type = get_homogeneous_type (ty->elements[i]);
- }
- else
- {
- iteration_type = ty->elements[i]->type;
- }
-
- /* If we are not homogeneous, return FFI_TYPE_STRUCT. */
- if (candidate_type != iteration_type)
- return FFI_TYPE_STRUCT;
- }
- return candidate_type;
- }
-
- /* Base case, we have no more levels of nesting, so we
- are a basic type, and so, trivially homogeneous in that type. */
- return ty->type;
-}
-
-/* Determine the number of elements within a STRUCT.
-
- Note, we must handle nested structs.
-
- If ty is not a STRUCT this function will return 0. */
-
-static unsigned
-element_count (ffi_type *ty)
-{
- if (ty->type == FFI_TYPE_STRUCT && ty->elements)
- {
- unsigned n;
- unsigned elems = 0;
- for (n = 0; ty->elements[n]; n++)
+ ele_count = 1;
+ goto done;
+ case FFI_TYPE_COMPLEX:
+ candidate = ty->elements[0]->type;
+ switch (candidate)
{
- if (ty->elements[n]->type == FFI_TYPE_STRUCT
- && ty->elements[n]->elements)
- elems += element_count (ty->elements[n]);
- else
- elems++;
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ case FFI_TYPE_LONGDOUBLE:
+ ele_count = 2;
+ goto done;
}
- return elems;
+ return 0;
+ case FFI_TYPE_STRUCT:
+ break;
}
- return 0;
-}
-/* Test for a homogeneous floating point aggregate.
+ /* No HFA types are smaller than 4 bytes, or larger than 64 bytes. */
+ size = ty->size;
+ if (size < 4 || size > 64)
+ return 0;
- A homogeneous floating point aggregate is a homogeneous aggregate of
- a half- single- or double- precision floating point type with one
- to four elements. Note that this includes nested structs of the
- basic type. */
-
-static int
-is_hfa (ffi_type *ty)
-{
- if (ty->type == FFI_TYPE_STRUCT
- && ty->elements[0]
- && is_floating_type (get_homogeneous_type (ty)))
+ /* Find the type of the first non-structure member. */
+ elements = ty->elements;
+ candidate = elements[0]->type;
+ if (candidate == FFI_TYPE_STRUCT || candidate == FFI_TYPE_COMPLEX)
{
- unsigned n = element_count (ty);
- return n >= 1 && n <= 4;
+ for (i = 0; ; ++i)
+ {
+ candidate = is_hfa0 (elements[i]);
+ if (candidate >= 0)
+ break;
+ }
}
- return 0;
-}
-/* Test if an ffi_type is a candidate for passing in a register.
-
- This test does not check that sufficient registers of the
- appropriate class are actually available, merely that IFF
- sufficient registers are available then the argument will be passed
- in register(s).
-
- Note that an ffi_type that is deemed to be a register candidate
- will always be returned in registers.
-
- Returns 1 if a register candidate else 0. */
-
-static int
-is_register_candidate (ffi_type *ty)
-{
- switch (ty->type)
+ /* If the first member is not a floating point type, it's not an HFA.
+ Also quickly re-check the size of the structure. */
+ switch (candidate)
{
- case FFI_TYPE_VOID:
case FFI_TYPE_FLOAT:
+ ele_count = size / sizeof(float);
+ if (size != ele_count * sizeof(float))
+ return 0;
+ break;
case FFI_TYPE_DOUBLE:
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
+ ele_count = size / sizeof(double);
+ if (size != ele_count * sizeof(double))
+ return 0;
+ break;
case FFI_TYPE_LONGDOUBLE:
-#endif
- case FFI_TYPE_UINT8:
- case FFI_TYPE_UINT16:
- case FFI_TYPE_UINT32:
- case FFI_TYPE_UINT64:
- case FFI_TYPE_POINTER:
- case FFI_TYPE_SINT8:
- case FFI_TYPE_SINT16:
- case FFI_TYPE_SINT32:
- case FFI_TYPE_INT:
- case FFI_TYPE_SINT64:
- return 1;
-
- case FFI_TYPE_STRUCT:
- if (is_hfa (ty))
- {
- return 1;
- }
- else if (ty->size > 16)
- {
- /* Too large. Will be replaced with a pointer to memory. The
- pointer MAY be passed in a register, but the value will
- not. This test specifically fails since the argument will
- never be passed by value in registers. */
- return 0;
- }
- else
- {
- /* Might be passed in registers depending on the number of
- registers required. */
- return (ty->size + 7) / 8 < N_X_ARG_REG;
- }
+ ele_count = size / sizeof(long double);
+ if (size != ele_count * sizeof(long double))
+ return 0;
break;
-
default:
- FFI_ASSERT (0);
- break;
+ return 0;
}
+ if (ele_count > 4)
+ return 0;
- return 0;
-}
-
-/* Test if an ffi_type argument or result is a candidate for a vector
- register. */
+ /* Finally, make sure that all scalar elements are the same type. */
+ for (i = 0; elements[i]; ++i)
+ {
+ int t = elements[i]->type;
+ if (t == FFI_TYPE_STRUCT || t == FFI_TYPE_COMPLEX)
+ {
+ if (!is_hfa1 (elements[i], candidate))
+ return 0;
+ }
+ else if (t != candidate)
+ return 0;
+ }
-static int
-is_v_register_candidate (ffi_type *ty)
-{
- return is_floating_type (ty->type)
- || (ty->type == FFI_TYPE_STRUCT && is_hfa (ty));
+ /* All tests succeeded. Encode the result. */
+ done:
+ return candidate * 4 + (4 - ele_count);
}
/* Representation of the procedure call argument marshalling
@@ -419,168 +242,189 @@ struct arg_state
/* Initialize a procedure call argument marshalling state. */
static void
-arg_init (struct arg_state *state, size_t call_frame_size)
+arg_init (struct arg_state *state)
{
state->ngrn = 0;
state->nsrn = 0;
state->nsaa = 0;
-
#if defined (__APPLE__)
state->allocating_variadic = 0;
#endif
}
-/* Return the number of available consecutive core argument
- registers. */
-
-static unsigned
-available_x (struct arg_state *state)
-{
- return N_X_ARG_REG - state->ngrn;
-}
-
-/* Return the number of available consecutive vector argument
- registers. */
-
-static unsigned
-available_v (struct arg_state *state)
-{
- return N_V_ARG_REG - state->nsrn;
-}
-
-static void *
-allocate_to_x (struct call_context *context, struct arg_state *state)
-{
- FFI_ASSERT (state->ngrn < N_X_ARG_REG);
- return get_x_addr (context, (state->ngrn)++);
-}
-
-static void *
-allocate_to_s (struct call_context *context, struct arg_state *state)
-{
- FFI_ASSERT (state->nsrn < N_V_ARG_REG);
- return get_s_addr (context, (state->nsrn)++);
-}
-
-static void *
-allocate_to_d (struct call_context *context, struct arg_state *state)
-{
- FFI_ASSERT (state->nsrn < N_V_ARG_REG);
- return get_d_addr (context, (state->nsrn)++);
-}
-
-static void *
-allocate_to_v (struct call_context *context, struct arg_state *state)
-{
- FFI_ASSERT (state->nsrn < N_V_ARG_REG);
- return get_v_addr (context, (state->nsrn)++);
-}
-
/* Allocate an aligned slot on the stack and return a pointer to it. */
static void *
-allocate_to_stack (struct arg_state *state, void *stack, size_t alignment,
- size_t size)
+allocate_to_stack (struct arg_state *state, void *stack,
+ size_t alignment, size_t size)
{
- void *allocation;
+ size_t nsaa = state->nsaa;
/* Round up the NSAA to the larger of 8 or the natural
alignment of the argument's type. */
- state->nsaa = ALIGN (state->nsaa, alignment);
- state->nsaa = ALIGN (state->nsaa, alignment);
#if defined (__APPLE__)
- if (state->allocating_variadic)
- state->nsaa = ALIGN (state->nsaa, 8);
+ if (state->allocating_variadic && alignment < 8)
+ alignment = 8;
#else
- state->nsaa = ALIGN (state->nsaa, 8);
+ if (alignment < 8)
+ alignment = 8;
#endif
+
+ nsaa = ALIGN (nsaa, alignment);
+ state->nsaa = nsaa + size;
- allocation = stack + state->nsaa;
-
- state->nsaa += size;
- return allocation;
+ return (char *)stack + nsaa;
}
-static void
-copy_basic_type (void *dest, void *source, unsigned short type)
+static ffi_arg
+extend_integer_type (void *source, int type)
{
- /* This is necessary to ensure that basic types are copied
- sign extended to 64-bits as libffi expects. */
switch (type)
{
- case FFI_TYPE_FLOAT:
- *(float *) dest = *(float *) source;
- break;
- case FFI_TYPE_DOUBLE:
- *(double *) dest = *(double *) source;
- break;
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
- case FFI_TYPE_LONGDOUBLE:
- *(long double *) dest = *(long double *) source;
- break;
-#endif
case FFI_TYPE_UINT8:
- *(ffi_arg *) dest = *(UINT8 *) source;
- break;
+ return *(UINT8 *) source;
case FFI_TYPE_SINT8:
- *(ffi_sarg *) dest = *(SINT8 *) source;
- break;
+ return *(SINT8 *) source;
case FFI_TYPE_UINT16:
- *(ffi_arg *) dest = *(UINT16 *) source;
- break;
+ return *(UINT16 *) source;
case FFI_TYPE_SINT16:
- *(ffi_sarg *) dest = *(SINT16 *) source;
- break;
+ return *(SINT16 *) source;
case FFI_TYPE_UINT32:
- *(ffi_arg *) dest = *(UINT32 *) source;
- break;
+ return *(UINT32 *) source;
case FFI_TYPE_INT:
case FFI_TYPE_SINT32:
- *(ffi_sarg *) dest = *(SINT32 *) source;
- break;
- case FFI_TYPE_POINTER:
+ return *(SINT32 *) source;
case FFI_TYPE_UINT64:
- *(ffi_arg *) dest = *(UINT64 *) source;
- break;
case FFI_TYPE_SINT64:
- *(ffi_sarg *) dest = *(SINT64 *) source;
+ return *(UINT64 *) source;
break;
- case FFI_TYPE_VOID:
- break;
-
+ case FFI_TYPE_POINTER:
+ return *(uintptr_t *) source;
default:
- FFI_ASSERT (0);
+ abort();
}
}
static void
-copy_hfa_to_reg_or_stack (void *memory,
- ffi_type *ty,
- struct call_context *context,
- unsigned char *stack,
- struct arg_state *state)
+extend_hfa_type (void *dest, void *src, int h)
+{
+ int f = h - AARCH64_RET_S4;
+ void *x0;
+
+ asm volatile (
+ "adr %0, 0f\n"
+" add %0, %0, %1\n"
+" br %0\n"
+"0: ldp s16, s17, [%3]\n" /* S4 */
+" ldp s18, s19, [%3, #8]\n"
+" b 4f\n"
+" ldp s16, s17, [%3]\n" /* S3 */
+" ldr s18, [%3, #8]\n"
+" b 3f\n"
+" ldp s16, s17, [%3]\n" /* S2 */
+" b 2f\n"
+" nop\n"
+" ldr s16, [%3]\n" /* S1 */
+" b 1f\n"
+" nop\n"
+" ldp d16, d17, [%3]\n" /* D4 */
+" ldp d18, d19, [%3, #16]\n"
+" b 4f\n"
+" ldp d16, d17, [%3]\n" /* D3 */
+" ldr d18, [%3, #16]\n"
+" b 3f\n"
+" ldp d16, d17, [%3]\n" /* D2 */
+" b 2f\n"
+" nop\n"
+" ldr d16, [%3]\n" /* D1 */
+" b 1f\n"
+" nop\n"
+" ldp q16, q17, [%3]\n" /* Q4 */
+" ldp q18, q19, [%3, #16]\n"
+" b 4f\n"
+" ldp q16, q17, [%3]\n" /* Q3 */
+" ldr q18, [%3, #16]\n"
+" b 3f\n"
+" ldp q16, q17, [%3]\n" /* Q2 */
+" b 2f\n"
+" nop\n"
+" ldr q16, [%3]\n" /* Q1 */
+" b 1f\n"
+"4: str q19, [%2, #48]\n"
+"3: str q18, [%2, #32]\n"
+"2: str q17, [%2, #16]\n"
+"1: str q16, [%2]"
+ : "=&r"(x0)
+ : "r"(f * 12), "r"(dest), "r"(src)
+ : "memory", "v16", "v17", "v18", "v19");
+}
+
+static void *
+compress_hfa_type (void *dest, void *reg, int h)
{
- unsigned elems = element_count (ty);
- if (available_v (state) < elems)
- {
- /* There are insufficient V registers. Further V register allocations
- are prevented, the NSAA is adjusted (by allocate_to_stack ())
- and the argument is copied to memory at the adjusted NSAA. */
- state->nsrn = N_V_ARG_REG;
- memcpy (allocate_to_stack (state, stack, ty->alignment, ty->size),
- memory,
- ty->size);
- }
- else
+ switch (h)
{
- int i;
- unsigned short type = get_homogeneous_type (ty);
- for (i = 0; i < elems; i++)
+ case AARCH64_RET_S1:
+ if (dest == reg)
+ {
+#ifdef __AARCH64EB__
+ dest += 12;
+#endif
+ }
+ else
+ *(float *)dest = *(float *)reg;
+ break;
+ case AARCH64_RET_S2:
+ asm ("ldp q16, q17, [%1]\n\t"
+ "st2 { v16.s, v17.s }[0], [%0]"
+ : : "r"(dest), "r"(reg) : "memory", "v16", "v17");
+ break;
+ case AARCH64_RET_S3:
+ asm ("ldp q16, q17, [%1]\n\t"
+ "ldr q18, [%1, #32]\n\t"
+ "st3 { v16.s, v17.s, v18.s }[0], [%0]"
+ : : "r"(dest), "r"(reg) : "memory", "v16", "v17", "v18");
+ break;
+ case AARCH64_RET_S4:
+ asm ("ldp q16, q17, [%1]\n\t"
+ "ldp q18, q19, [%1, #32]\n\t"
+ "st4 { v16.s, v17.s, v18.s, v19.s }[0], [%0]"
+ : : "r"(dest), "r"(reg) : "memory", "v16", "v17", "v18", "v19");
+ break;
+
+ case AARCH64_RET_D1:
+ if (dest == reg)
{
- void *reg = allocate_to_v (context, state);
- copy_basic_type (reg, memory, type);
- memory += get_basic_type_size (type);
+#ifdef __AARCH64EB__
+ dest += 8;
+#endif
}
+ else
+ *(double *)dest = *(double *)reg;
+ break;
+ case AARCH64_RET_D2:
+ asm ("ldp q16, q17, [%1]\n\t"
+ "st2 { v16.d, v17.d }[0], [%0]"
+ : : "r"(dest), "r"(reg) : "memory", "v16", "v17");
+ break;
+ case AARCH64_RET_D3:
+ asm ("ldp q16, q17, [%1]\n\t"
+ "ldr q18, [%1, #32]\n\t"
+ "st3 { v16.d, v17.d, v18.d }[0], [%0]"
+ : : "r"(dest), "r"(reg) : "memory", "v16", "v17", "v18");
+ break;
+ case AARCH64_RET_D4:
+ asm ("ldp q16, q17, [%1]\n\t"
+ "ldp q18, q19, [%1, #32]\n\t"
+ "st4 { v16.d, v17.d, v18.d, v19.d }[0], [%0]"
+ : : "r"(dest), "r"(reg) : "memory", "v16", "v17", "v18", "v19");
+ break;
+
+ default:
+ if (dest != reg)
+ return memcpy (dest, reg, 16 * (4 - (h & 3)));
+ break;
}
+ return dest;
}
/* Either allocate an appropriate register for the argument type, or if
@@ -588,85 +432,164 @@ copy_hfa_to_reg_or_stack (void *memory,
to the allocated space. */
static void *
-allocate_to_register_or_stack (struct call_context *context,
- unsigned char *stack,
- struct arg_state *state,
- unsigned short type)
+allocate_int_to_reg_or_stack (struct call_context *context,
+ struct arg_state *state,
+ void *stack, size_t size)
{
- size_t alignment = get_basic_type_alignment (type);
- size_t size = alignment;
- switch (type)
+ if (state->ngrn < N_X_ARG_REG)
+ return &context->x[state->ngrn++];
+
+ state->ngrn = N_X_ARG_REG;
+ return allocate_to_stack (state, stack, size, size);
+}
+
+ffi_status
+ffi_prep_cif_machdep (ffi_cif *cif)
+{
+ ffi_type *rtype = cif->rtype;
+ size_t bytes = cif->bytes;
+ int flags, i, n;
+
+ switch (rtype->type)
{
- case FFI_TYPE_FLOAT:
- /* This is the only case for which the allocated stack size
- should not match the alignment of the type. */
- size = sizeof (UINT32);
- /* Fall through. */
- case FFI_TYPE_DOUBLE:
- if (state->nsrn < N_V_ARG_REG)
- return allocate_to_d (context, state);
- state->nsrn = N_V_ARG_REG;
- break;
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
- case FFI_TYPE_LONGDOUBLE:
- if (state->nsrn < N_V_ARG_REG)
- return allocate_to_v (context, state);
- state->nsrn = N_V_ARG_REG;
+ case FFI_TYPE_VOID:
+ flags = AARCH64_RET_VOID;
break;
-#endif
case FFI_TYPE_UINT8:
- case FFI_TYPE_SINT8:
+ flags = AARCH64_RET_UINT8;
+ break;
case FFI_TYPE_UINT16:
- case FFI_TYPE_SINT16:
+ flags = AARCH64_RET_UINT16;
+ break;
case FFI_TYPE_UINT32:
- case FFI_TYPE_SINT32:
+ flags = AARCH64_RET_UINT32;
+ break;
+ case FFI_TYPE_SINT8:
+ flags = AARCH64_RET_SINT8;
+ break;
+ case FFI_TYPE_SINT16:
+ flags = AARCH64_RET_SINT16;
+ break;
case FFI_TYPE_INT:
- case FFI_TYPE_POINTER:
- case FFI_TYPE_UINT64:
+ case FFI_TYPE_SINT32:
+ flags = AARCH64_RET_SINT32;
+ break;
case FFI_TYPE_SINT64:
- if (state->ngrn < N_X_ARG_REG)
- return allocate_to_x (context, state);
- state->ngrn = N_X_ARG_REG;
+ case FFI_TYPE_UINT64:
+ flags = AARCH64_RET_INT64;
+ break;
+ case FFI_TYPE_POINTER:
+ flags = (sizeof(void *) == 4 ? AARCH64_RET_UINT32 : AARCH64_RET_INT64);
+ break;
+
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ case FFI_TYPE_LONGDOUBLE:
+ case FFI_TYPE_STRUCT:
+ case FFI_TYPE_COMPLEX:
+ flags = is_vfp_type (rtype);
+ if (flags == 0)
+ {
+ size_t s = rtype->size;
+ if (s > 16)
+ {
+ flags = AARCH64_RET_VOID | AARCH64_RET_IN_MEM;
+ bytes += 8;
+ }
+ else if (s == 16)
+ flags = AARCH64_RET_INT128;
+ else if (s == 8)
+ flags = AARCH64_RET_INT64;
+ else
+ flags = AARCH64_RET_INT128 | AARCH64_RET_NEED_COPY;
+ }
break;
+
default:
- FFI_ASSERT (0);
+ abort();
}
- return allocate_to_stack (state, stack, alignment, size);
-}
+ for (i = 0, n = cif->nargs; i < n; i++)
+ if (is_vfp_type (cif->arg_types[i]))
+ {
+ flags |= AARCH64_FLAG_ARG_V;
+ break;
+ }
+
+ /* Round the stack up to a multiple of the stack alignment requirement. */
+ cif->bytes = ALIGN(bytes, 16);
+ cif->flags = flags;
+#if defined (__APPLE__)
+ cif->aarch64_nfixedargs = 0;
+#endif
-/* Copy a value to an appropriate register, or if none are
- available, to the stack. */
+ return FFI_OK;
+}
-static void
-copy_to_register_or_stack (struct call_context *context,
- unsigned char *stack,
- struct arg_state *state,
- void *value,
- unsigned short type)
+#if defined (__APPLE__)
+/* Perform Apple-specific cif processing for variadic calls */
+ffi_status ffi_prep_cif_machdep_var(ffi_cif *cif,
+ unsigned int nfixedargs,
+ unsigned int ntotalargs)
{
- copy_basic_type (
- allocate_to_register_or_stack (context, stack, state, type),
- value,
- type);
+ ffi_status status = ffi_prep_cif_machdep (cif);
+ cif->aarch64_nfixedargs = nfixedargs;
+ return status;
}
+#endif /* __APPLE__ */
-/* Marshall the arguments from FFI representation to procedure call
- context and stack. */
+extern void ffi_call_SYSV (struct call_context *context, void *frame,
+ void (*fn)(void), void *rvalue, int flags,
+ void *closure) FFI_HIDDEN;
-static unsigned
-aarch64_prep_args (struct call_context *context, unsigned char *stack,
- extended_cif *ecif)
+/* Call a function with the provided arguments and capture the return
+ value. */
+static void
+ffi_call_int (ffi_cif *cif, void (*fn)(void), void *orig_rvalue,
+ void **avalue, void *closure)
{
- int i;
+ struct call_context *context;
+ void *stack, *frame, *rvalue;
struct arg_state state;
-
- arg_init (&state, ALIGN(ecif->cif->bytes, 16));
-
- for (i = 0; i < ecif->cif->nargs; i++)
+ size_t stack_bytes, rtype_size, rsize;
+ int i, nargs, flags;
+ ffi_type *rtype;
+
+ flags = cif->flags;
+ rtype = cif->rtype;
+ rtype_size = rtype->size;
+ stack_bytes = cif->bytes;
+
+ /* If the target function returns a structure via hidden pointer,
+ then we cannot allow a null rvalue. Otherwise, mash a null
+ rvalue to void return type. */
+ rsize = 0;
+ if (flags & AARCH64_RET_IN_MEM)
+ {
+ if (orig_rvalue == NULL)
+ rsize = rtype_size;
+ }
+ else if (orig_rvalue == NULL)
+ flags &= AARCH64_FLAG_ARG_V;
+ else if (flags & AARCH64_RET_NEED_COPY)
+ rsize = 16;
+
+ /* Allocate consectutive stack for everything we'll need. */
+ context = alloca (sizeof(struct call_context) + stack_bytes + 32 + rsize);
+ stack = context + 1;
+ frame = stack + stack_bytes;
+ rvalue = (rsize ? frame + 32 : orig_rvalue);
+
+ arg_init (&state);
+ for (i = 0, nargs = cif->nargs; i < nargs; i++)
{
- ffi_type *ty = ecif->cif->arg_types[i];
- switch (ty->type)
+ ffi_type *ty = cif->arg_types[i];
+ size_t s = ty->size;
+ void *a = avalue[i];
+ int h, t;
+
+ t = ty->type;
+ switch (t)
{
case FFI_TYPE_VOID:
FFI_ASSERT (0);
@@ -674,275 +597,194 @@ aarch64_prep_args (struct call_context *context, unsigned char *stack,
/* If the argument is a basic type the argument is allocated to an
appropriate register, or if none are available, to the stack. */
- case FFI_TYPE_FLOAT:
- case FFI_TYPE_DOUBLE:
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
- case FFI_TYPE_LONGDOUBLE:
-#endif
+ case FFI_TYPE_INT:
case FFI_TYPE_UINT8:
case FFI_TYPE_SINT8:
case FFI_TYPE_UINT16:
case FFI_TYPE_SINT16:
case FFI_TYPE_UINT32:
- case FFI_TYPE_INT:
case FFI_TYPE_SINT32:
- case FFI_TYPE_POINTER:
case FFI_TYPE_UINT64:
case FFI_TYPE_SINT64:
- copy_to_register_or_stack (context, stack, &state,
- ecif->avalue[i], ty->type);
+ case FFI_TYPE_POINTER:
+ do_pointer:
+ {
+ ffi_arg ext = extend_integer_type (a, t);
+ if (state.ngrn < N_X_ARG_REG)
+ context->x[state.ngrn++] = ext;
+ else
+ {
+ void *d = allocate_to_stack (&state, stack, ty->alignment, s);
+ state.ngrn = N_X_ARG_REG;
+ /* Note that the default abi extends each argument
+ to a full 64-bit slot, while the iOS abi allocates
+ only enough space. */
+#ifdef __APPLE__
+ memcpy(d, a, s);
+#else
+ *(ffi_arg *)d = ext;
+#endif
+ }
+ }
break;
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ case FFI_TYPE_LONGDOUBLE:
case FFI_TYPE_STRUCT:
- if (is_hfa (ty))
- {
- copy_hfa_to_reg_or_stack (ecif->avalue[i], ty, context,
- stack, &state);
- }
- else if (ty->size > 16)
- {
- /* If the argument is a composite type that is larger than 16
- bytes, then the argument has been copied to memory, and
- the argument is replaced by a pointer to the copy. */
+ case FFI_TYPE_COMPLEX:
+ {
+ void *dest;
- copy_to_register_or_stack (context, stack, &state,
- &(ecif->avalue[i]), FFI_TYPE_POINTER);
- }
- else if (available_x (&state) >= (ty->size + 7) / 8)
- {
- /* If the argument is a composite type and the size in
- double-words is not more than the number of available
- X registers, then the argument is copied into consecutive
- X registers. */
- int j;
- for (j = 0; j < (ty->size + 7) / 8; j++)
- {
- memcpy (allocate_to_x (context, &state),
- &(((UINT64 *) ecif->avalue[i])[j]),
- sizeof (UINT64));
+ h = is_vfp_type (ty);
+ if (h)
+ {
+ int elems = 4 - (h & 3);
+ if (state.nsrn + elems <= N_V_ARG_REG)
+ {
+ dest = &context->v[state.nsrn];
+ state.nsrn += elems;
+ extend_hfa_type (dest, a, h);
+ break;
+ }
+ state.nsrn = N_V_ARG_REG;
+ dest = allocate_to_stack (&state, stack, ty->alignment, s);
+ }
+ else if (s > 16)
+ {
+ /* If the argument is a composite type that is larger than 16
+ bytes, then the argument has been copied to memory, and
+ the argument is replaced by a pointer to the copy. */
+ a = &avalue[i];
+ t = FFI_TYPE_POINTER;
+ goto do_pointer;
+ }
+ else
+ {
+ size_t n = (s + 7) / 8;
+ if (state.ngrn + n <= N_X_ARG_REG)
+ {
+ /* If the argument is a composite type and the size in
+ double-words is not more than the number of available
+ X registers, then the argument is copied into
+ consecutive X registers. */
+ dest = &context->x[state.ngrn];
+ state.ngrn += n;
+ }
+ else
+ {
+ /* Otherwise, there are insufficient X registers. Further
+ X register allocations are prevented, the NSAA is
+ adjusted and the argument is copied to memory at the
+ adjusted NSAA. */
+ state.ngrn = N_X_ARG_REG;
+ dest = allocate_to_stack (&state, stack, ty->alignment, s);
+ }
}
- }
- else
- {
- /* Otherwise, there are insufficient X registers. Further X
- register allocations are prevented, the NSAA is adjusted
- (by allocate_to_stack ()) and the argument is copied to
- memory at the adjusted NSAA. */
- state.ngrn = N_X_ARG_REG;
-
- memcpy (allocate_to_stack (&state, stack, ty->alignment,
- ty->size), ecif->avalue + i, ty->size);
+ memcpy (dest, a, s);
}
break;
default:
- FFI_ASSERT (0);
- break;
+ abort();
}
#if defined (__APPLE__)
- if (i + 1 == ecif->cif->aarch64_nfixedargs)
+ if (i + 1 == cif->aarch64_nfixedargs)
{
state.ngrn = N_X_ARG_REG;
state.nsrn = N_V_ARG_REG;
-
state.allocating_variadic = 1;
}
#endif
}
- return ecif->cif->aarch64_flags;
+ ffi_call_SYSV (context, frame, fn, rvalue, flags, closure);
+
+ if (flags & AARCH64_RET_NEED_COPY)
+ memcpy (orig_rvalue, rvalue, rtype_size);
}
-ffi_status
-ffi_prep_cif_machdep (ffi_cif *cif)
+void
+ffi_call (ffi_cif *cif, void (*fn) (void), void *rvalue, void **avalue)
{
- /* Round the stack up to a multiple of the stack alignment requirement. */
- cif->bytes =
- (cif->bytes + (AARCH64_STACK_ALIGN - 1)) & ~ (AARCH64_STACK_ALIGN - 1);
-
- /* Initialize our flags. We are interested if this CIF will touch a
- vector register, if so we will enable context save and load to
- those registers, otherwise not. This is intended to be friendly
- to lazy float context switching in the kernel. */
- cif->aarch64_flags = 0;
-
- if (is_v_register_candidate (cif->rtype))
- {
- cif->aarch64_flags |= AARCH64_FFI_WITH_V;
- }
- else
- {
- int i;
- for (i = 0; i < cif->nargs; i++)
- if (is_v_register_candidate (cif->arg_types[i]))
- {
- cif->aarch64_flags |= AARCH64_FFI_WITH_V;
- break;
- }
- }
-
-#if defined (__APPLE__)
- cif->aarch64_nfixedargs = 0;
-#endif
-
- return FFI_OK;
+ ffi_call_int (cif, fn, rvalue, avalue, NULL);
}
-#if defined (__APPLE__)
-
-/* Perform Apple-specific cif processing for variadic calls */
-ffi_status ffi_prep_cif_machdep_var(ffi_cif *cif,
- unsigned int nfixedargs,
- unsigned int ntotalargs)
+#ifdef FFI_GO_CLOSURES
+void
+ffi_call_go (ffi_cif *cif, void (*fn) (void), void *rvalue,
+ void **avalue, void *closure)
{
- ffi_status status;
-
- status = ffi_prep_cif_machdep (cif);
-
- cif->aarch64_nfixedargs = nfixedargs;
-
- return status;
+ ffi_call_int (cif, fn, rvalue, avalue, closure);
}
+#endif /* FFI_GO_CLOSURES */
-#endif
+/* Build a trampoline. */
-/* Call a function with the provided arguments and capture the return
- value. */
-void
-ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
+extern void ffi_closure_SYSV (void) FFI_HIDDEN;
+extern void ffi_closure_SYSV_V (void) FFI_HIDDEN;
+
+ffi_status
+ffi_prep_closure_loc (ffi_closure *closure,
+ ffi_cif* cif,
+ void (*fun)(ffi_cif*,void*,void**,void*),
+ void *user_data,
+ void *codeloc)
{
- extended_cif ecif;
+ static const unsigned char trampoline[16] = {
+ 0x90, 0x00, 0x00, 0x58, /* ldr x16, tramp+16 */
+ 0xf1, 0xff, 0xff, 0x10, /* adr x17, tramp+0 */
+ 0x00, 0x02, 0x1f, 0xd6 /* br x16 */
+ };
+ char *tramp = closure->tramp;
+ void (*start)(void);
- ecif.cif = cif;
- ecif.avalue = avalue;
- ecif.rvalue = rvalue;
+ if (cif->abi != FFI_SYSV)
+ return FFI_BAD_ABI;
- switch (cif->abi)
- {
- case FFI_SYSV:
- {
- struct call_context context;
- size_t stack_bytes;
+ closure->cif = cif;
+ closure->fun = fun;
+ closure->user_data = user_data;
- /* Figure out the total amount of stack space we need, the
- above call frame space needs to be 16 bytes aligned to
- ensure correct alignment of the first object inserted in
- that space hence the ALIGN applied to cif->bytes.*/
- stack_bytes = ALIGN(cif->bytes, 16);
+ memcpy (tramp, trampoline, sizeof(trampoline));
- memset (&context, 0, sizeof (context));
- if (is_register_candidate (cif->rtype))
- {
- ffi_call_SYSV (aarch64_prep_args, &context, &ecif, stack_bytes, fn);
- switch (cif->rtype->type)
- {
- case FFI_TYPE_VOID:
- case FFI_TYPE_FLOAT:
- case FFI_TYPE_DOUBLE:
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
- case FFI_TYPE_LONGDOUBLE:
-#endif
- case FFI_TYPE_UINT8:
- case FFI_TYPE_SINT8:
- case FFI_TYPE_UINT16:
- case FFI_TYPE_SINT16:
- case FFI_TYPE_UINT32:
- case FFI_TYPE_SINT32:
- case FFI_TYPE_POINTER:
- case FFI_TYPE_UINT64:
- case FFI_TYPE_INT:
- case FFI_TYPE_SINT64:
- {
- void *addr = get_basic_type_addr (cif->rtype->type,
- &context, 0);
- copy_basic_type (rvalue, addr, cif->rtype->type);
- break;
- }
+ if (cif->flags & AARCH64_FLAG_ARG_V)
+ start = ffi_closure_SYSV_V;
+ else
+ start = ffi_closure_SYSV;
+ *(UINT64 *)(tramp + 16) = (uintptr_t)start;
- case FFI_TYPE_STRUCT:
- if (is_hfa (cif->rtype))
- {
- int j;
- unsigned short type = get_homogeneous_type (cif->rtype);
- unsigned elems = element_count (cif->rtype);
- for (j = 0; j < elems; j++)
- {
- void *reg = get_basic_type_addr (type, &context, j);
- copy_basic_type (rvalue, reg, type);
- rvalue += get_basic_type_size (type);
- }
- }
- else if ((cif->rtype->size + 7) / 8 < N_X_ARG_REG)
- {
- size_t size = ALIGN (cif->rtype->size, sizeof (UINT64));
- memcpy (rvalue, get_x_addr (&context, 0), size);
- }
- else
- {
- FFI_ASSERT (0);
- }
- break;
-
- default:
- FFI_ASSERT (0);
- break;
- }
- }
- else
- {
- memcpy (get_x_addr (&context, 8), &rvalue, sizeof (UINT64));
- ffi_call_SYSV (aarch64_prep_args, &context, &ecif,
- stack_bytes, fn);
- }
- break;
- }
+ ffi_clear_cache(tramp, tramp + FFI_TRAMPOLINE_SIZE);
- default:
- FFI_ASSERT (0);
- break;
- }
+ return FFI_OK;
}
-static unsigned char trampoline [] =
-{ 0x70, 0x00, 0x00, 0x58, /* ldr x16, 1f */
- 0x91, 0x00, 0x00, 0x10, /* adr x17, 2f */
- 0x00, 0x02, 0x1f, 0xd6 /* br x16 */
-};
-
-/* Build a trampoline. */
-
-#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX,FLAGS) \
- ({unsigned char *__tramp = (unsigned char*)(TRAMP); \
- UINT64 __fun = (UINT64)(FUN); \
- UINT64 __ctx = (UINT64)(CTX); \
- UINT64 __flags = (UINT64)(FLAGS); \
- memcpy (__tramp, trampoline, sizeof (trampoline)); \
- memcpy (__tramp + 12, &__fun, sizeof (__fun)); \
- memcpy (__tramp + 20, &__ctx, sizeof (__ctx)); \
- memcpy (__tramp + 28, &__flags, sizeof (__flags)); \
- ffi_clear_cache(__tramp, __tramp + FFI_TRAMPOLINE_SIZE); \
- })
+#ifdef FFI_GO_CLOSURES
+extern void ffi_go_closure_SYSV (void) FFI_HIDDEN;
+extern void ffi_go_closure_SYSV_V (void) FFI_HIDDEN;
ffi_status
-ffi_prep_closure_loc (ffi_closure* closure,
- ffi_cif* cif,
- void (*fun)(ffi_cif*,void*,void**,void*),
- void *user_data,
- void *codeloc)
+ffi_prep_go_closure (ffi_go_closure *closure, ffi_cif* cif,
+ void (*fun)(ffi_cif*,void*,void**,void*))
{
+ void (*start)(void);
+
if (cif->abi != FFI_SYSV)
return FFI_BAD_ABI;
- FFI_INIT_TRAMPOLINE (&closure->tramp[0], &ffi_closure_SYSV, codeloc,
- cif->aarch64_flags);
+ if (cif->flags & AARCH64_FLAG_ARG_V)
+ start = ffi_go_closure_SYSV_V;
+ else
+ start = ffi_go_closure_SYSV;
- closure->cif = cif;
- closure->user_data = user_data;
- closure->fun = fun;
+ closure->tramp = start;
+ closure->cif = cif;
+ closure->fun = fun;
return FFI_OK;
}
+#endif /* FFI_GO_CLOSURES */
/* Primary handler to setup and invoke a function within a closure.
@@ -960,220 +802,109 @@ ffi_prep_closure_loc (ffi_closure* closure,
descriptors, invokes the wrapped function, then marshalls the return
value back into the call context. */
-void FFI_HIDDEN
-ffi_closure_SYSV_inner (ffi_closure *closure, struct call_context *context,
- void *stack)
+int FFI_HIDDEN
+ffi_closure_SYSV_inner (ffi_cif *cif,
+ void (*fun)(ffi_cif*,void*,void**,void*),
+ void *user_data,
+ struct call_context *context,
+ void *stack, void *rvalue, void *struct_rvalue)
{
- ffi_cif *cif = closure->cif;
void **avalue = (void**) alloca (cif->nargs * sizeof (void*));
- void *rvalue = NULL;
- int i;
+ int i, h, nargs, flags;
struct arg_state state;
- arg_init (&state, ALIGN(cif->bytes, 16));
+ arg_init (&state);
- for (i = 0; i < cif->nargs; i++)
+ for (i = 0, nargs = cif->nargs; i < nargs; i++)
{
ffi_type *ty = cif->arg_types[i];
+ int t = ty->type;
+ size_t n, s = ty->size;
- switch (ty->type)
+ switch (t)
{
case FFI_TYPE_VOID:
FFI_ASSERT (0);
break;
+ case FFI_TYPE_INT:
case FFI_TYPE_UINT8:
case FFI_TYPE_SINT8:
case FFI_TYPE_UINT16:
case FFI_TYPE_SINT16:
case FFI_TYPE_UINT32:
case FFI_TYPE_SINT32:
- case FFI_TYPE_INT:
- case FFI_TYPE_POINTER:
case FFI_TYPE_UINT64:
case FFI_TYPE_SINT64:
- case FFI_TYPE_FLOAT:
- case FFI_TYPE_DOUBLE:
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
- case FFI_TYPE_LONGDOUBLE:
- avalue[i] = allocate_to_register_or_stack (context, stack,
- &state, ty->type);
+ case FFI_TYPE_POINTER:
+ avalue[i] = allocate_int_to_reg_or_stack (context, &state, stack, s);
break;
-#endif
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ case FFI_TYPE_LONGDOUBLE:
case FFI_TYPE_STRUCT:
- if (is_hfa (ty))
+ case FFI_TYPE_COMPLEX:
+ h = is_vfp_type (ty);
+ if (h)
{
- unsigned n = element_count (ty);
- if (available_v (&state) < n)
+ n = 4 - (h & 3);
+ if (state.nsrn + n <= N_V_ARG_REG)
{
- state.nsrn = N_V_ARG_REG;
- avalue[i] = allocate_to_stack (&state, stack, ty->alignment,
- ty->size);
+ void *reg = &context->v[state.nsrn];
+ state.nsrn += n;
+
+ /* Eeek! We need a pointer to the structure, however the
+ homogeneous float elements are being passed in individual
+ registers, therefore for float and double the structure
+ is not represented as a contiguous sequence of bytes in
+ our saved register context. We don't need the original
+ contents of the register storage, so we reformat the
+ structure into the same memory. */
+ avalue[i] = compress_hfa_type (reg, reg, h);
}
else
{
- switch (get_homogeneous_type (ty))
- {
- case FFI_TYPE_FLOAT:
- {
- /* Eeek! We need a pointer to the structure,
- however the homogeneous float elements are
- being passed in individual S registers,
- therefore the structure is not represented as
- a contiguous sequence of bytes in our saved
- register context. We need to fake up a copy
- of the structure laid out in memory
- correctly. The fake can be tossed once the
- closure function has returned hence alloca()
- is sufficient. */
- int j;
- UINT32 *p = avalue[i] = alloca (ty->size);
- for (j = 0; j < element_count (ty); j++)
- memcpy (&p[j],
- allocate_to_s (context, &state),
- sizeof (*p));
- break;
- }
-
- case FFI_TYPE_DOUBLE:
- {
- /* Eeek! We need a pointer to the structure,
- however the homogeneous float elements are
- being passed in individual S registers,
- therefore the structure is not represented as
- a contiguous sequence of bytes in our saved
- register context. We need to fake up a copy
- of the structure laid out in memory
- correctly. The fake can be tossed once the
- closure function has returned hence alloca()
- is sufficient. */
- int j;
- UINT64 *p = avalue[i] = alloca (ty->size);
- for (j = 0; j < element_count (ty); j++)
- memcpy (&p[j],
- allocate_to_d (context, &state),
- sizeof (*p));
- break;
- }
-
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
- case FFI_TYPE_LONGDOUBLE:
- memcpy (&avalue[i],
- allocate_to_v (context, &state),
- sizeof (*avalue));
- break;
-#endif
-
- default:
- FFI_ASSERT (0);
- break;
- }
+ state.nsrn = N_V_ARG_REG;
+ avalue[i] = allocate_to_stack (&state, stack,
+ ty->alignment, s);
}
}
- else if (ty->size > 16)
+ else if (s > 16)
{
/* Replace Composite type of size greater than 16 with a
pointer. */
- memcpy (&avalue[i],
- allocate_to_register_or_stack (context, stack,
- &state, FFI_TYPE_POINTER),
- sizeof (avalue[i]));
- }
- else if (available_x (&state) >= (ty->size + 7) / 8)
- {
- avalue[i] = get_x_addr (context, state.ngrn);
- state.ngrn += (ty->size + 7) / 8;
+ avalue[i] = *(void **)
+ allocate_int_to_reg_or_stack (context, &state, stack,
+ sizeof (void *));
}
else
{
- state.ngrn = N_X_ARG_REG;
-
- avalue[i] = allocate_to_stack (&state, stack, ty->alignment,
- ty->size);
+ n = (s + 7) / 8;
+ if (state.ngrn + n <= N_X_ARG_REG)
+ {
+ avalue[i] = &context->x[state.ngrn];
+ state.ngrn += n;
+ }
+ else
+ {
+ state.ngrn = N_X_ARG_REG;
+ avalue[i] = allocate_to_stack (&state, stack,
+ ty->alignment, s);
+ }
}
break;
default:
- FFI_ASSERT (0);
- break;
+ abort();
}
}
- /* Figure out where the return value will be passed, either in
- registers or in a memory block allocated by the caller and passed
- in x8. */
+ flags = cif->flags;
+ if (flags & AARCH64_RET_IN_MEM)
+ rvalue = struct_rvalue;
- if (is_register_candidate (cif->rtype))
- {
- /* Register candidates are *always* returned in registers. */
-
- /* Allocate a scratchpad for the return value, we will let the
- callee scrible the result into the scratch pad then move the
- contents into the appropriate return value location for the
- call convention. */
- rvalue = alloca (cif->rtype->size);
- (closure->fun) (cif, rvalue, avalue, closure->user_data);
-
- /* Copy the return value into the call context so that it is returned
- as expected to our caller. */
- switch (cif->rtype->type)
- {
- case FFI_TYPE_VOID:
- break;
-
- case FFI_TYPE_UINT8:
- case FFI_TYPE_UINT16:
- case FFI_TYPE_UINT32:
- case FFI_TYPE_POINTER:
- case FFI_TYPE_UINT64:
- case FFI_TYPE_SINT8:
- case FFI_TYPE_SINT16:
- case FFI_TYPE_INT:
- case FFI_TYPE_SINT32:
- case FFI_TYPE_SINT64:
- case FFI_TYPE_FLOAT:
- case FFI_TYPE_DOUBLE:
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
- case FFI_TYPE_LONGDOUBLE:
-#endif
- {
- void *addr = get_basic_type_addr (cif->rtype->type, context, 0);
- copy_basic_type (addr, rvalue, cif->rtype->type);
- break;
- }
- case FFI_TYPE_STRUCT:
- if (is_hfa (cif->rtype))
- {
- int j;
- unsigned short type = get_homogeneous_type (cif->rtype);
- unsigned elems = element_count (cif->rtype);
- for (j = 0; j < elems; j++)
- {
- void *reg = get_basic_type_addr (type, context, j);
- copy_basic_type (reg, rvalue, type);
- rvalue += get_basic_type_size (type);
- }
- }
- else if ((cif->rtype->size + 7) / 8 < N_X_ARG_REG)
- {
- size_t size = ALIGN (cif->rtype->size, sizeof (UINT64)) ;
- memcpy (get_x_addr (context, 0), rvalue, size);
- }
- else
- {
- FFI_ASSERT (0);
- }
- break;
- default:
- FFI_ASSERT (0);
- break;
- }
- }
- else
- {
- memcpy (&rvalue, get_x_addr (context, 8), sizeof (UINT64));
- (closure->fun) (cif, rvalue, avalue, closure->user_data);
- }
-}
+ fun (cif, rvalue, avalue, user_data);
+ return flags;
+}
diff --git a/src/aarch64/ffitarget.h b/src/aarch64/ffitarget.h
index 4bbced2..80d09af 100644
--- a/src/aarch64/ffitarget.h
+++ b/src/aarch64/ffitarget.h
@@ -42,22 +42,20 @@ typedef enum ffi_abi
/* ---- Definitions for closures ----------------------------------------- */
#define FFI_CLOSURES 1
-#define FFI_TRAMPOLINE_SIZE 36
+#define FFI_TRAMPOLINE_SIZE 24
#define FFI_NATIVE_RAW_API 0
/* ---- Internal ---- */
#if defined (__APPLE__)
#define FFI_TARGET_SPECIFIC_VARIADIC
-#define FFI_EXTRA_CIF_FIELDS unsigned aarch64_flags; unsigned aarch64_nfixedargs
+#define FFI_EXTRA_CIF_FIELDS unsigned aarch64_nfixedargs
#else
-#define FFI_EXTRA_CIF_FIELDS unsigned aarch64_flags
+/* iOS reserves x18 for the system. Disable Go closures until
+ a new static chain is chosen. */
+#define FFI_GO_CLOSURES 1
#endif
-#define AARCH64_FFI_WITH_V_BIT 0
-
-#define AARCH64_N_XREG 32
-#define AARCH64_N_VREG 32
-#define AARCH64_CALL_CONTEXT_SIZE (AARCH64_N_XREG * 8 + AARCH64_N_VREG * 16)
+#define FFI_TARGET_HAS_COMPLEX_TYPE
#endif
diff --git a/src/aarch64/internal.h b/src/aarch64/internal.h
new file mode 100644
index 0000000..9c3e077
--- /dev/null
+++ b/src/aarch64/internal.h
@@ -0,0 +1,67 @@
+/*
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+``Software''), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#define AARCH64_RET_VOID 0
+#define AARCH64_RET_INT64 1
+#define AARCH64_RET_INT128 2
+
+#define AARCH64_RET_UNUSED3 3
+#define AARCH64_RET_UNUSED4 4
+#define AARCH64_RET_UNUSED5 5
+#define AARCH64_RET_UNUSED6 6
+#define AARCH64_RET_UNUSED7 7
+
+/* Note that FFI_TYPE_FLOAT == 2, _DOUBLE == 3, _LONGDOUBLE == 4,
+ so _S4 through _Q1 are layed out as (TYPE * 4) + (4 - COUNT). */
+#define AARCH64_RET_S4 8
+#define AARCH64_RET_S3 9
+#define AARCH64_RET_S2 10
+#define AARCH64_RET_S1 11
+
+#define AARCH64_RET_D4 12
+#define AARCH64_RET_D3 13
+#define AARCH64_RET_D2 14
+#define AARCH64_RET_D1 15
+
+#define AARCH64_RET_Q4 16
+#define AARCH64_RET_Q3 17
+#define AARCH64_RET_Q2 18
+#define AARCH64_RET_Q1 19
+
+/* Note that each of the sub-64-bit integers gets two entries. */
+#define AARCH64_RET_UINT8 20
+#define AARCH64_RET_UINT16 22
+#define AARCH64_RET_UINT32 24
+
+#define AARCH64_RET_SINT8 26
+#define AARCH64_RET_SINT16 28
+#define AARCH64_RET_SINT32 30
+
+#define AARCH64_RET_MASK 31
+
+#define AARCH64_RET_IN_MEM (1 << 5)
+#define AARCH64_RET_NEED_COPY (1 << 6)
+
+#define AARCH64_FLAG_ARG_V_BIT 7
+#define AARCH64_FLAG_ARG_V (1 << AARCH64_FLAG_ARG_V_BIT)
+
+#define N_X_ARG_REG 8
+#define N_V_ARG_REG 8
+#define CALL_CONTEXT_SIZE (N_V_ARG_REG * 16 + N_X_ARG_REG * 8)
diff --git a/src/aarch64/sysv.S b/src/aarch64/sysv.S
index 169eab8..1fb68f2 100644
--- a/src/aarch64/sysv.S
+++ b/src/aarch64/sysv.S
@@ -22,6 +22,8 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
+#include <ffi_cfi.h>
+#include "internal.h"
#ifdef HAVE_MACHINE_ASM_H
#include <machine/asm.h>
@@ -37,297 +39,360 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#endif
#endif
-#define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
-#define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
-#define cfi_restore(reg) .cfi_restore reg
-#define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg
-
- .text
- .globl CNAME(ffi_call_SYSV)
-#ifdef __ELF__
- .type CNAME(ffi_call_SYSV), #function
-#endif
-#ifdef __APPLE__
- .align 2
+#ifdef __AARCH64EB__
+# define BE(X) X
+#else
+# define BE(X) 0
#endif
-/* ffi_call_SYSV()
+ .text
+ .align 4
- Create a stack frame, setup an argument context, call the callee
- and extract the result.
-
- The maximum required argument stack size is provided,
- ffi_call_SYSV() allocates that stack space then calls the
- prepare_fn to populate register context and stack. The
- argument passing registers are loaded from the register
- context and the callee called, on return the register passing
- register are saved back to the context. Our caller will
- extract the return value from the final state of the saved
- register context.
-
- Prototype:
-
- extern unsigned
- ffi_call_SYSV (void (*)(struct call_context *context, unsigned char *,
- extended_cif *),
- struct call_context *context,
- extended_cif *,
- size_t required_stack_size,
- void (*fn)(void));
+/* ffi_call_SYSV
+ extern void ffi_call_SYSV (void *stack, void *frame,
+ void (*fn)(void), void *rvalue,
+ int flags, void *closure);
Therefore on entry we have:
- x0 prepare_fn
- x1 &context
- x2 &ecif
- x3 bytes
- x4 fn
-
- This function uses the following stack frame layout:
+ x0 stack
+ x1 frame
+ x2 fn
+ x3 rvalue
+ x4 flags
+ x5 closure
+*/
- ==
- saved x30(lr)
- x29(fp)-> saved x29(fp)
- saved x24
- saved x23
- saved x22
- sp' -> saved x21
- ...
- sp -> (constructed callee stack arguments)
- ==
-
- Voila! */
-
-#define ffi_call_SYSV_FS (8 * 4)
-
- .cfi_startproc
+ cfi_startproc
CNAME(ffi_call_SYSV):
- stp x29, x30, [sp, #-16]!
- cfi_adjust_cfa_offset (16)
- cfi_rel_offset (x29, 0)
- cfi_rel_offset (x30, 8)
-
- mov x29, sp
- cfi_def_cfa_register (x29)
- sub sp, sp, #ffi_call_SYSV_FS
-
- stp x21, x22, [sp, #0]
- cfi_rel_offset (x21, 0 - ffi_call_SYSV_FS)
- cfi_rel_offset (x22, 8 - ffi_call_SYSV_FS)
-
- stp x23, x24, [sp, #16]
- cfi_rel_offset (x23, 16 - ffi_call_SYSV_FS)
- cfi_rel_offset (x24, 24 - ffi_call_SYSV_FS)
-
- mov x21, x1
- mov x22, x2
- mov x24, x4
-
- /* Allocate the stack space for the actual arguments, many
- arguments will be passed in registers, but we assume
- worst case and allocate sufficient stack for ALL of
- the arguments. */
- sub sp, sp, x3
-
- /* unsigned (*prepare_fn) (struct call_context *context,
- unsigned char *stack, extended_cif *ecif);
- */
- mov x23, x0
- mov x0, x1
- mov x1, sp
- /* x2 already in place */
- blr x23
-
- /* Preserve the flags returned. */
- mov x23, x0
-
- /* Figure out if we should touch the vector registers. */
- tbz x23, #AARCH64_FFI_WITH_V_BIT, 1f
-
- /* Load the vector argument passing registers. */
- ldp q0, q1, [x21, #8*32 + 0]
- ldp q2, q3, [x21, #8*32 + 32]
- ldp q4, q5, [x21, #8*32 + 64]
- ldp q6, q7, [x21, #8*32 + 96]
-1:
- /* Load the core argument passing registers. */
- ldp x0, x1, [x21, #0]
- ldp x2, x3, [x21, #16]
- ldp x4, x5, [x21, #32]
- ldp x6, x7, [x21, #48]
-
- /* Don't forget x8 which may be holding the address of a return buffer.
- */
- ldr x8, [x21, #8*8]
-
- blr x24
-
- /* Save the core argument passing registers. */
- stp x0, x1, [x21, #0]
- stp x2, x3, [x21, #16]
- stp x4, x5, [x21, #32]
- stp x6, x7, [x21, #48]
-
- /* Note nothing useful ever comes back in x8! */
-
- /* Figure out if we should touch the vector registers. */
- tbz x23, #AARCH64_FFI_WITH_V_BIT, 1f
-
- /* Save the vector argument passing registers. */
- stp q0, q1, [x21, #8*32 + 0]
- stp q2, q3, [x21, #8*32 + 32]
- stp q4, q5, [x21, #8*32 + 64]
- stp q6, q7, [x21, #8*32 + 96]
+ /* Use a stack frame allocated by our caller. */
+ cfi_def_cfa(x1, 32);
+ stp x29, x30, [x1]
+ mov x29, x1
+ mov sp, x0
+ cfi_def_cfa_register(x29)
+ cfi_rel_offset (x29, 0)
+ cfi_rel_offset (x30, 8)
+
+ mov x9, x2 /* save fn */
+ mov x8, x3 /* install structure return */
+#ifdef FFI_GO_CLOSURES
+ mov x18, x5 /* install static chain */
+#endif
+ stp x3, x4, [x29, #16] /* save rvalue and flags */
+
+ /* Load the vector argument passing registers, if necessary. */
+ tbz w4, #AARCH64_FLAG_ARG_V_BIT, 1f
+ ldp q0, q1, [sp, #0]
+ ldp q2, q3, [sp, #32]
+ ldp q4, q5, [sp, #64]
+ ldp q6, q7, [sp, #96]
1:
- /* All done, unwind our stack frame. */
- ldp x21, x22, [x29, # - ffi_call_SYSV_FS]
- cfi_restore (x21)
- cfi_restore (x22)
-
- ldp x23, x24, [x29, # - ffi_call_SYSV_FS + 16]
- cfi_restore (x23)
- cfi_restore (x24)
+ /* Load the core argument passing registers, including
+ the structure return pointer. */
+ ldp x0, x1, [sp, #16*N_V_ARG_REG + 0]
+ ldp x2, x3, [sp, #16*N_V_ARG_REG + 16]
+ ldp x4, x5, [sp, #16*N_V_ARG_REG + 32]
+ ldp x6, x7, [sp, #16*N_V_ARG_REG + 48]
- mov sp, x29
- cfi_def_cfa_register (sp)
+ /* Deallocate the context, leaving the stacked arguments. */
+ add sp, sp, #CALL_CONTEXT_SIZE
- ldp x29, x30, [sp], #16
- cfi_adjust_cfa_offset (-16)
- cfi_restore (x29)
- cfi_restore (x30)
+ blr x9 /* call fn */
- ret
+ ldp x3, x4, [x29, #16] /* reload rvalue and flags */
- .cfi_endproc
+ /* Partially deconstruct the stack frame. */
+ mov sp, x29
+ cfi_def_cfa_register (sp)
+ ldp x29, x30, [x29]
+
+ /* Save the return value as directed. */
+ adr x5, 0f
+ and w4, w4, #AARCH64_RET_MASK
+ add x5, x5, x4, lsl #3
+ br x5
+
+ /* Note that each table entry is 2 insns, and thus 8 bytes.
+ For integer data, note that we're storing into ffi_arg
+ and therefore we want to extend to 64 bits; these types
+ have two consecutive entries allocated for them. */
+ .align 4
+0: ret /* VOID */
+ nop
+1: str x0, [x3] /* INT64 */
+ ret
+2: stp x0, x1, [x3] /* INT128 */
+ ret
+3: brk #1000 /* UNUSED */
+ ret
+4: brk #1000 /* UNUSED */
+ ret
+5: brk #1000 /* UNUSED */
+ ret
+6: brk #1000 /* UNUSED */
+ ret
+7: brk #1000 /* UNUSED */
+ ret
+8: st4 { v0.s-v3.s }[0], [x3] /* S4 */
+ ret
+9: st3 { v0.s-v2.s }[0], [x3] /* S3 */
+ ret
+10: stp s0, s1, [x3] /* S2 */
+ ret
+11: str s0, [x3] /* S1 */
+ ret
+12: st4 { v0.d-v3.d }[0], [x3] /* D4 */
+ ret
+13: st3 { v0.d-v2.d }[0], [x3] /* D3 */
+ ret
+14: stp d0, d1, [x3] /* D2 */
+ ret
+15: str d0, [x3] /* D1 */
+ ret
+16: str q3, [x3, #48] /* Q4 */
+ nop
+17: str q2, [x3, #32] /* Q3 */
+ nop
+18: stp q0, q1, [x3] /* Q2 */
+ ret
+19: str q0, [x3] /* Q1 */
+ ret
+20: uxtb w0, w0 /* UINT8 */
+ str x0, [x3]
+21: ret /* reserved */
+ nop
+22: uxth w0, w0 /* UINT16 */
+ str x0, [x3]
+23: ret /* reserved */
+ nop
+24: mov w0, w0 /* UINT32 */
+ str x0, [x3]
+25: ret /* reserved */
+ nop
+26: sxtb x0, w0 /* SINT8 */
+ str x0, [x3]
+27: ret /* reserved */
+ nop
+28: sxth x0, w0 /* SINT16 */
+ str x0, [x3]
+29: ret /* reserved */
+ nop
+30: sxtw x0, w0 /* SINT32 */
+ str x0, [x3]
+31: ret /* reserved */
+ nop
+
+ cfi_endproc
+
+ .globl CNAME(ffi_call_SYSV)
#ifdef __ELF__
- .size CNAME(ffi_call_SYSV), .-CNAME(ffi_call_SYSV)
+ .type CNAME(ffi_call_SYSV), #function
+ .hidden CNAME(ffi_call_SYSV)
+ .size CNAME(ffi_call_SYSV), .-CNAME(ffi_call_SYSV)
#endif
-#define ffi_closure_SYSV_FS (8 * 2 + AARCH64_CALL_CONTEXT_SIZE)
-
/* ffi_closure_SYSV
Closure invocation glue. This is the low level code invoked directly by
the closure trampoline to setup and call a closure.
- On entry x17 points to a struct trampoline_data, x16 has been clobbered
+ On entry x17 points to a struct ffi_closure, x16 has been clobbered
all other registers are preserved.
We allocate a call context and save the argument passing registers,
then invoked the generic C ffi_closure_SYSV_inner() function to do all
the real work, on return we load the result passing registers back from
the call context.
+*/
+
+#define ffi_closure_SYSV_FS (8*2 + CALL_CONTEXT_SIZE + 64)
+
+ .align 4
+CNAME(ffi_closure_SYSV_V):
+ cfi_startproc
+ stp x29, x30, [sp, #-ffi_closure_SYSV_FS]!
+ cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
+ cfi_rel_offset (x29, 0)
+ cfi_rel_offset (x30, 8)
+
+ /* Save the argument passing vector registers. */
+ stp q0, q1, [sp, #16 + 0]
+ stp q2, q3, [sp, #16 + 32]
+ stp q4, q5, [sp, #16 + 64]
+ stp q6, q7, [sp, #16 + 96]
+ b 0f
+ cfi_endproc
+
+ .globl CNAME(ffi_closure_SYSV_V)
+#ifdef __ELF__
+ .type CNAME(ffi_closure_SYSV_V), #function
+ .hidden CNAME(ffi_closure_SYSV_V)
+ .size CNAME(ffi_closure_SYSV_V), . - CNAME(ffi_closure_SYSV_V)
+#endif
- On entry
-
- extern void
- ffi_closure_SYSV (struct trampoline_data *);
-
- struct trampoline_data
- {
- UINT64 *ffi_closure;
- UINT64 flags;
- };
-
- This function uses the following stack frame layout:
-
- ==
- saved x30(lr)
- x29(fp)-> saved x29(fp)
- saved x22
- saved x21
- ...
- sp -> call_context
- ==
-
- Voila! */
+ .align 4
+ cfi_startproc
+CNAME(ffi_closure_SYSV):
+ stp x29, x30, [sp, #-ffi_closure_SYSV_FS]!
+ cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
+ cfi_rel_offset (x29, 0)
+ cfi_rel_offset (x30, 8)
+0:
+ mov x29, sp
+
+ /* Save the argument passing core registers. */
+ stp x0, x1, [sp, #16 + 16*N_V_ARG_REG + 0]
+ stp x2, x3, [sp, #16 + 16*N_V_ARG_REG + 16]
+ stp x4, x5, [sp, #16 + 16*N_V_ARG_REG + 32]
+ stp x6, x7, [sp, #16 + 16*N_V_ARG_REG + 48]
+
+ /* Load ffi_closure_inner arguments. */
+ ldp x0, x1, [x17, #FFI_TRAMPOLINE_SIZE] /* load cif, fn */
+ ldr x2, [x17, #FFI_TRAMPOLINE_SIZE+16] /* load user_data */
+.Ldo_closure:
+ add x3, sp, #16 /* load context */
+ add x4, sp, #ffi_closure_SYSV_FS /* load stack */
+ add x5, sp, #16+CALL_CONTEXT_SIZE /* load rvalue */
+ mov x6, x8 /* load struct_rval */
+ bl CNAME(ffi_closure_SYSV_inner)
+
+ /* Load the return value as directed. */
+ adr x1, 0f
+ and w0, w0, #AARCH64_RET_MASK
+ add x1, x1, x0, lsl #3
+ add x3, sp, #16+CALL_CONTEXT_SIZE
+ br x1
+
+ /* Note that each table entry is 2 insns, and thus 8 bytes. */
+ .align 4
+0: b 99f /* VOID */
+ nop
+1: ldr x0, [x3] /* INT64 */
+ b 99f
+2: ldp x0, x1, [x3] /* INT128 */
+ b 99f
+3: brk #1000 /* UNUSED */
+ nop
+4: brk #1000 /* UNUSED */
+ nop
+5: brk #1000 /* UNUSED */
+ nop
+6: brk #1000 /* UNUSED */
+ nop
+7: brk #1000 /* UNUSED */
+ nop
+8: ldr s3, [x3, #12] /* S4 */
+ nop
+9: ldr s2, [x2, #8] /* S3 */
+ nop
+10: ldp s0, s1, [x3] /* S2 */
+ b 99f
+11: ldr s0, [x3] /* S1 */
+ b 99f
+12: ldr d3, [x3, #24] /* D4 */
+ nop
+13: ldr d2, [x3, #16] /* D3 */
+ nop
+14: ldp d0, d1, [x3] /* D2 */
+ b 99f
+15: ldr d0, [x3] /* D1 */
+ b 99f
+16: ldr q3, [x3, #48] /* Q4 */
+ nop
+17: ldr q2, [x3, #32] /* Q3 */
+ nop
+18: ldp q0, q1, [x3] /* Q2 */
+ b 99f
+19: ldr q0, [x3] /* Q1 */
+ b 99f
+20: ldrb w0, [x3, #BE(7)] /* UINT8 */
+ b 99f
+21: brk #1000 /* reserved */
+ nop
+22: ldrh w0, [x3, #BE(6)] /* UINT16 */
+ b 99f
+23: brk #1000 /* reserved */
+ nop
+24: ldr w0, [x3, #BE(4)] /* UINT32 */
+ b 99f
+25: brk #1000 /* reserved */
+ nop
+26: ldrsb x0, [x3, #BE(7)] /* SINT8 */
+ b 99f
+27: brk #1000 /* reserved */
+ nop
+28: ldrsh x0, [x3, #BE(6)] /* SINT16 */
+ b 99f
+29: brk #1000 /* reserved */
+ nop
+30: ldrsw x0, [x3, #BE(4)] /* SINT32 */
+ nop
+31: /* reserved */
+99: ldp x29, x30, [sp], #ffi_closure_SYSV_FS
+ cfi_adjust_cfa_offset (-ffi_closure_SYSV_FS)
+ cfi_restore (x29)
+ cfi_restore (x30)
+ ret
+ cfi_endproc
+
+ .globl CNAME(ffi_closure_SYSV)
+#ifdef __ELF__
+ .type CNAME(ffi_closure_SYSV), #function
+ .hidden CNAME(ffi_closure_SYSV)
+ .size CNAME(ffi_closure_SYSV), . - CNAME(ffi_closure_SYSV)
+#endif
- .text
- .globl CNAME(ffi_closure_SYSV)
-#ifdef __APPLE__
- .align 2
+#ifdef FFI_GO_CLOSURES
+ .align 4
+CNAME(ffi_go_closure_SYSV_V):
+ cfi_startproc
+ stp x29, x30, [sp, #-ffi_closure_SYSV_FS]!
+ cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
+ cfi_rel_offset (x29, 0)
+ cfi_rel_offset (x30, 8)
+
+ /* Save the argument passing vector registers. */
+ stp q0, q1, [sp, #16 + 0]
+ stp q2, q3, [sp, #16 + 32]
+ stp q4, q5, [sp, #16 + 64]
+ stp q6, q7, [sp, #16 + 96]
+ b 0f
+ cfi_endproc
+
+ .globl CNAME(ffi_go_closure_SYSV_V)
+#ifdef __ELF__
+ .type CNAME(ffi_go_closure_SYSV_V), #function
+ .hidden CNAME(ffi_go_closure_SYSV_V)
+ .size CNAME(ffi_go_closure_SYSV_V), . - CNAME(ffi_go_closure_SYSV_V)
#endif
- .cfi_startproc
-CNAME(ffi_closure_SYSV):
- stp x29, x30, [sp, #-16]!
- cfi_adjust_cfa_offset (16)
- cfi_rel_offset (x29, 0)
- cfi_rel_offset (x30, 8)
-
- mov x29, sp
- cfi_def_cfa_register (x29)
-
- sub sp, sp, #ffi_closure_SYSV_FS
-
- stp x21, x22, [x29, #-16]
- cfi_rel_offset (x21, -16)
- cfi_rel_offset (x22, -8)
-
- /* Load x21 with &call_context. */
- mov x21, sp
- /* Preserve our struct trampoline_data * */
- mov x22, x17
-
- /* Save the rest of the argument passing registers. */
- stp x0, x1, [x21, #0]
- stp x2, x3, [x21, #16]
- stp x4, x5, [x21, #32]
- stp x6, x7, [x21, #48]
- /* Don't forget we may have been given a result scratch pad address.
- */
- str x8, [x21, #64]
-
- /* Figure out if we should touch the vector registers. */
- ldr x0, [x22, #8]
- tbz x0, #AARCH64_FFI_WITH_V_BIT, 1f
-
- /* Save the argument passing vector registers. */
- stp q0, q1, [x21, #8*32 + 0]
- stp q2, q3, [x21, #8*32 + 32]
- stp q4, q5, [x21, #8*32 + 64]
- stp q6, q7, [x21, #8*32 + 96]
-1:
- /* Load &ffi_closure.. */
- ldr x0, [x22, #0]
- mov x1, x21
- /* Compute the location of the stack at the point that the
- trampoline was called. */
- add x2, x29, #16
-
- bl CNAME(ffi_closure_SYSV_inner)
-
- /* Figure out if we should touch the vector registers. */
- ldr x0, [x22, #8]
- tbz x0, #AARCH64_FFI_WITH_V_BIT, 1f
-
- /* Load the result passing vector registers. */
- ldp q0, q1, [x21, #8*32 + 0]
- ldp q2, q3, [x21, #8*32 + 32]
- ldp q4, q5, [x21, #8*32 + 64]
- ldp q6, q7, [x21, #8*32 + 96]
-1:
- /* Load the result passing core registers. */
- ldp x0, x1, [x21, #0]
- ldp x2, x3, [x21, #16]
- ldp x4, x5, [x21, #32]
- ldp x6, x7, [x21, #48]
- /* Note nothing useful is returned in x8. */
-
- /* We are done, unwind our frame. */
- ldp x21, x22, [x29, #-16]
- cfi_restore (x21)
- cfi_restore (x22)
-
- mov sp, x29
- cfi_def_cfa_register (sp)
-
- ldp x29, x30, [sp], #16
- cfi_adjust_cfa_offset (-16)
- cfi_restore (x29)
- cfi_restore (x30)
-
- ret
- .cfi_endproc
+
+ .align 4
+ cfi_startproc
+CNAME(ffi_go_closure_SYSV):
+ stp x29, x30, [sp, #-ffi_closure_SYSV_FS]!
+ cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
+ cfi_rel_offset (x29, 0)
+ cfi_rel_offset (x30, 8)
+0:
+ mov x29, sp
+
+ /* Save the argument passing core registers. */
+ stp x0, x1, [sp, #16 + 16*N_V_ARG_REG + 0]
+ stp x2, x3, [sp, #16 + 16*N_V_ARG_REG + 16]
+ stp x4, x5, [sp, #16 + 16*N_V_ARG_REG + 32]
+ stp x6, x7, [sp, #16 + 16*N_V_ARG_REG + 48]
+
+ /* Load ffi_closure_inner arguments. */
+ ldp x0, x1, [x18, #8] /* load cif, fn */
+ mov x2, x18 /* load user_data */
+ b .Ldo_closure
+ cfi_endproc
+
+ .globl CNAME(ffi_go_closure_SYSV)
#ifdef __ELF__
- .size CNAME(ffi_closure_SYSV), .-CNAME(ffi_closure_SYSV)
+ .type CNAME(ffi_go_closure_SYSV), #function
+ .hidden CNAME(ffi_go_closure_SYSV)
+ .size CNAME(ffi_go_closure_SYSV), . - CNAME(ffi_go_closure_SYSV)
#endif
+#endif /* FFI_GO_CLOSURES */
diff --git a/src/alpha/ffi.c b/src/alpha/ffi.c
index 192f691..efae4cc 100644
--- a/src/alpha/ffi.c
+++ b/src/alpha/ffi.c
@@ -1,8 +1,8 @@
/* -----------------------------------------------------------------------
ffi.c - Copyright (c) 2012 Anthony Green
- Copyright (c) 1998, 2001, 2007, 2008 Red Hat, Inc.
-
- Alpha Foreign Function Interface
+ Copyright (c) 1998, 2001, 2007, 2008 Red Hat, Inc.
+
+ Alpha Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
@@ -28,6 +28,7 @@
#include <ffi.h>
#include <ffi_common.h>
#include <stdlib.h>
+#include "internal.h"
/* Force FFI_TYPE_LONGDOUBLE to be different than FFI_TYPE_DOUBLE;
all further uses in this file will refer to the 128-bit type. */
@@ -40,135 +41,286 @@
# define FFI_TYPE_LONGDOUBLE 4
#endif
-extern void ffi_call_osf(void *, unsigned long, unsigned, void *, void (*)(void))
- FFI_HIDDEN;
+extern void ffi_call_osf(void *stack, void *frame, unsigned flags,
+ void *raddr, void (*fn)(void), void *closure)
+ FFI_HIDDEN;
extern void ffi_closure_osf(void) FFI_HIDDEN;
+extern void ffi_go_closure_osf(void) FFI_HIDDEN;
+/* Promote a float value to its in-register double representation.
+ Unlike actually casting to double, this does not trap on NaN. */
+static inline UINT64 lds(void *ptr)
+{
+ UINT64 ret;
+ asm("lds %0,%1" : "=f"(ret) : "m"(*(UINT32 *)ptr));
+ return ret;
+}
-ffi_status
+/* And the reverse. */
+static inline void sts(void *ptr, UINT64 val)
+{
+ asm("sts %1,%0" : "=m"(*(UINT32 *)ptr) : "f"(val));
+}
+
+ffi_status FFI_HIDDEN
ffi_prep_cif_machdep(ffi_cif *cif)
{
- /* Adjust cif->bytes to represent a minimum 6 words for the temporary
- register argument loading area. */
- if (cif->bytes < 6*FFI_SIZEOF_ARG)
- cif->bytes = 6*FFI_SIZEOF_ARG;
+ size_t bytes = 0;
+ int flags, i, avn;
+ ffi_type *rtype, *itype;
+
+ if (cif->abi != FFI_OSF)
+ return FFI_BAD_ABI;
+
+ /* Compute the size of the argument area. */
+ for (i = 0, avn = cif->nargs; i < avn; i++)
+ {
+ itype = cif->arg_types[i];
+ switch (itype->type)
+ {
+ case FFI_TYPE_INT:
+ case FFI_TYPE_SINT8:
+ case FFI_TYPE_UINT8:
+ case FFI_TYPE_SINT16:
+ case FFI_TYPE_UINT16:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_POINTER:
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ case FFI_TYPE_LONGDOUBLE:
+ /* All take one 8 byte slot. */
+ bytes += 8;
+ break;
+
+ case FFI_TYPE_VOID:
+ case FFI_TYPE_STRUCT:
+ /* Passed by value in N slots. */
+ bytes += ALIGN(itype->size, FFI_SIZEOF_ARG);
+ break;
+
+ case FFI_TYPE_COMPLEX:
+ /* _Complex long double passed by reference; others in 2 slots. */
+ if (itype->elements[0]->type == FFI_TYPE_LONGDOUBLE)
+ bytes += 8;
+ else
+ bytes += 16;
+ break;
+
+ default:
+ abort();
+ }
+ }
/* Set the return type flag */
- switch (cif->rtype->type)
+ rtype = cif->rtype;
+ switch (rtype->type)
{
- case FFI_TYPE_STRUCT:
+ case FFI_TYPE_VOID:
+ flags = ALPHA_FLAGS(ALPHA_ST_VOID, ALPHA_LD_VOID);
+ break;
+ case FFI_TYPE_INT:
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_SINT32:
+ flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_INT32);
+ break;
case FFI_TYPE_FLOAT:
+ flags = ALPHA_FLAGS(ALPHA_ST_FLOAT, ALPHA_LD_FLOAT);
+ break;
case FFI_TYPE_DOUBLE:
- cif->flags = cif->rtype->type;
+ flags = ALPHA_FLAGS(ALPHA_ST_DOUBLE, ALPHA_LD_DOUBLE);
+ break;
+ case FFI_TYPE_UINT8:
+ flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_UINT8);
+ break;
+ case FFI_TYPE_SINT8:
+ flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_SINT8);
+ break;
+ case FFI_TYPE_UINT16:
+ flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_UINT16);
+ break;
+ case FFI_TYPE_SINT16:
+ flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_SINT16);
+ break;
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_POINTER:
+ flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_INT64);
break;
-
case FFI_TYPE_LONGDOUBLE:
- /* 128-bit long double is returned in memory, like a struct. */
- cif->flags = FFI_TYPE_STRUCT;
+ case FFI_TYPE_STRUCT:
+ /* Passed in memory, with a hidden pointer. */
+ flags = ALPHA_RET_IN_MEM;
break;
-
- default:
- cif->flags = FFI_TYPE_INT;
+ case FFI_TYPE_COMPLEX:
+ itype = rtype->elements[0];
+ switch (itype->type)
+ {
+ case FFI_TYPE_FLOAT:
+ flags = ALPHA_FLAGS(ALPHA_ST_CPLXF, ALPHA_LD_CPLXF);
+ break;
+ case FFI_TYPE_DOUBLE:
+ flags = ALPHA_FLAGS(ALPHA_ST_CPLXD, ALPHA_LD_CPLXD);
+ break;
+ default:
+ if (rtype->size <= 8)
+ flags = ALPHA_FLAGS(ALPHA_ST_INT, ALPHA_LD_INT64);
+ else
+ flags = ALPHA_RET_IN_MEM;
+ break;
+ }
break;
+ default:
+ abort();
}
-
+ cif->flags = flags;
+
+ /* Include the hidden structure pointer in args requirement. */
+ if (flags == ALPHA_RET_IN_MEM)
+ bytes += 8;
+ /* Minimum size is 6 slots, so that ffi_call_osf can pop them. */
+ if (bytes < 6*8)
+ bytes = 6*8;
+ cif->bytes = bytes;
+
return FFI_OK;
}
+static unsigned long
+extend_basic_type(void *valp, int type, int argn)
+{
+ switch (type)
+ {
+ case FFI_TYPE_SINT8:
+ return *(SINT8 *)valp;
+ case FFI_TYPE_UINT8:
+ return *(UINT8 *)valp;
+ case FFI_TYPE_SINT16:
+ return *(SINT16 *)valp;
+ case FFI_TYPE_UINT16:
+ return *(UINT16 *)valp;
+
+ case FFI_TYPE_FLOAT:
+ if (argn < 6)
+ return lds(valp);
+ /* FALLTHRU */
+
+ case FFI_TYPE_INT:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_UINT32:
+ /* Note that unsigned 32-bit quantities are sign extended. */
+ return *(SINT32 *)valp;
+
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_POINTER:
+ case FFI_TYPE_DOUBLE:
+ return *(UINT64 *)valp;
-void
-ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
+ default:
+ abort();
+ }
+}
+
+static void
+ffi_call_int (ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure)
{
- unsigned long *stack, *argp;
- long i, avn;
+ unsigned long *argp;
+ long i, avn, argn, flags = cif->flags;
ffi_type **arg_types;
-
+ void *frame;
+
/* If the return value is a struct and we don't have a return
value address then we need to make one. */
- if (rvalue == NULL && cif->flags == FFI_TYPE_STRUCT)
+ if (rvalue == NULL && flags == ALPHA_RET_IN_MEM)
rvalue = alloca(cif->rtype->size);
/* Allocate the space for the arguments, plus 4 words of temp
space for ffi_call_osf. */
- argp = stack = alloca(cif->bytes + 4*FFI_SIZEOF_ARG);
+ argp = frame = alloca(cif->bytes + 4*FFI_SIZEOF_ARG);
+ frame += cif->bytes;
- if (cif->flags == FFI_TYPE_STRUCT)
- *(void **) argp++ = rvalue;
+ argn = 0;
+ if (flags == ALPHA_RET_IN_MEM)
+ argp[argn++] = (unsigned long)rvalue;
- i = 0;
avn = cif->nargs;
arg_types = cif->arg_types;
- while (i < avn)
+ for (i = 0, avn = cif->nargs; i < avn; i++)
{
- size_t size = (*arg_types)->size;
+ ffi_type *ty = arg_types[i];
+ void *valp = avalue[i];
+ int type = ty->type;
+ size_t size;
- switch ((*arg_types)->type)
+ switch (type)
{
+ case FFI_TYPE_INT:
case FFI_TYPE_SINT8:
- *(SINT64 *) argp = *(SINT8 *)(* avalue);
- break;
-
case FFI_TYPE_UINT8:
- *(SINT64 *) argp = *(UINT8 *)(* avalue);
- break;
-
case FFI_TYPE_SINT16:
- *(SINT64 *) argp = *(SINT16 *)(* avalue);
- break;
-
case FFI_TYPE_UINT16:
- *(SINT64 *) argp = *(UINT16 *)(* avalue);
- break;
-
case FFI_TYPE_SINT32:
case FFI_TYPE_UINT32:
- /* Note that unsigned 32-bit quantities are sign extended. */
- *(SINT64 *) argp = *(SINT32 *)(* avalue);
- break;
-
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
case FFI_TYPE_POINTER:
- *(UINT64 *) argp = *(UINT64 *)(* avalue);
- break;
-
case FFI_TYPE_FLOAT:
- if (argp - stack < 6)
- {
- /* Note the conversion -- all the fp regs are loaded as
- doubles. The in-register format is the same. */
- *(double *) argp = *(float *)(* avalue);
- }
- else
- *(float *) argp = *(float *)(* avalue);
- break;
-
case FFI_TYPE_DOUBLE:
- *(double *) argp = *(double *)(* avalue);
+ argp[argn] = extend_basic_type(valp, type, argn);
+ argn++;
break;
case FFI_TYPE_LONGDOUBLE:
- /* 128-bit long double is passed by reference. */
- *(long double **) argp = (long double *)(* avalue);
- size = sizeof (long double *);
+ by_reference:
+ /* Note that 128-bit long double is passed by reference. */
+ argp[argn++] = (unsigned long)valp;
break;
+ case FFI_TYPE_VOID:
case FFI_TYPE_STRUCT:
- memcpy(argp, *avalue, (*arg_types)->size);
+ size = ty->size;
+ memcpy(argp + argn, valp, size);
+ argn += ALIGN(size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG;
+ break;
+
+ case FFI_TYPE_COMPLEX:
+ type = ty->elements[0]->type;
+ if (type == FFI_TYPE_LONGDOUBLE)
+ goto by_reference;
+
+ /* Most complex types passed as two separate arguments. */
+ size = ty->elements[0]->size;
+ argp[argn] = extend_basic_type(valp, type, argn);
+ argp[argn + 1] = extend_basic_type(valp + size, type, argn + 1);
+ argn += 2;
break;
default:
- FFI_ASSERT(0);
+ abort();
}
-
- argp += ALIGN(size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG;
- i++, arg_types++, avalue++;
}
- ffi_call_osf(stack, cif->bytes, cif->flags, rvalue, fn);
+ flags = (flags >> ALPHA_ST_SHIFT) & 0xff;
+ ffi_call_osf(argp, frame, flags, rvalue, fn, closure);
+}
+
+void
+ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
+{
+ ffi_call_int(cif, fn, rvalue, avalue, NULL);
}
+void
+ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure)
+{
+ ffi_call_int(cif, fn, rvalue, avalue, closure);
+}
ffi_status
ffi_prep_closure_loc (ffi_closure* closure,
@@ -204,39 +356,56 @@ ffi_prep_closure_loc (ffi_closure* closure,
return FFI_OK;
}
+ffi_status
+ffi_prep_go_closure (ffi_go_closure* closure,
+ ffi_cif* cif,
+ void (*fun)(ffi_cif*, void*, void**, void*))
+{
+ if (cif->abi != FFI_OSF)
+ return FFI_BAD_ABI;
+
+ closure->tramp = (void *)ffi_go_closure_osf;
+ closure->cif = cif;
+ closure->fun = fun;
+
+ return FFI_OK;
+}
long FFI_HIDDEN
-ffi_closure_osf_inner(ffi_closure *closure, void *rvalue, unsigned long *argp)
+ffi_closure_osf_inner (ffi_cif *cif,
+ void (*fun)(ffi_cif*, void*, void**, void*),
+ void *user_data,
+ void *rvalue, unsigned long *argp)
{
- ffi_cif *cif;
void **avalue;
ffi_type **arg_types;
- long i, avn, argn;
+ long i, avn, argn, flags;
- cif = closure->cif;
avalue = alloca(cif->nargs * sizeof(void *));
-
+ flags = cif->flags;
argn = 0;
/* Copy the caller's structure return address to that the closure
returns the data directly to the caller. */
- if (cif->flags == FFI_TYPE_STRUCT)
+ if (flags == ALPHA_RET_IN_MEM)
{
rvalue = (void *) argp[0];
argn = 1;
}
- i = 0;
- avn = cif->nargs;
arg_types = cif->arg_types;
-
+
/* Grab the addresses of the arguments from the stack frame. */
- while (i < avn)
+ for (i = 0, avn = cif->nargs; i < avn; i++)
{
- size_t size = arg_types[i]->size;
+ ffi_type *ty = arg_types[i];
+ int type = ty->type;
+ void *valp = &argp[argn];
+ size_t size;
- switch (arg_types[i]->type)
+ switch (type)
{
+ case FFI_TYPE_INT:
case FFI_TYPE_SINT8:
case FFI_TYPE_UINT8:
case FFI_TYPE_SINT16:
@@ -246,43 +415,107 @@ ffi_closure_osf_inner(ffi_closure *closure, void *rvalue, unsigned long *argp)
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
case FFI_TYPE_POINTER:
+ argn += 1;
+ break;
+
+ case FFI_TYPE_VOID:
case FFI_TYPE_STRUCT:
- avalue[i] = &argp[argn];
+ size = ty->size;
+ argn += ALIGN(size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG;
break;
case FFI_TYPE_FLOAT:
+ /* Floats coming from registers need conversion from double
+ back to float format. */
if (argn < 6)
{
- /* Floats coming from registers need conversion from double
- back to float format. */
- *(float *)&argp[argn - 6] = *(double *)&argp[argn - 6];
- avalue[i] = &argp[argn - 6];
+ valp = &argp[argn - 6];
+ sts(valp, argp[argn - 6]);
}
- else
- avalue[i] = &argp[argn];
+ argn += 1;
break;
case FFI_TYPE_DOUBLE:
- avalue[i] = &argp[argn - (argn < 6 ? 6 : 0)];
+ if (argn < 6)
+ valp = &argp[argn - 6];
+ argn += 1;
break;
case FFI_TYPE_LONGDOUBLE:
+ by_reference:
/* 128-bit long double is passed by reference. */
- avalue[i] = (long double *) argp[argn];
- size = sizeof (long double *);
+ valp = (void *)argp[argn];
+ argn += 1;
+ break;
+
+ case FFI_TYPE_COMPLEX:
+ type = ty->elements[0]->type;
+ switch (type)
+ {
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_UINT64:
+ /* Passed as separate arguments, but they wind up sequential. */
+ break;
+
+ case FFI_TYPE_INT:
+ case FFI_TYPE_SINT8:
+ case FFI_TYPE_UINT8:
+ case FFI_TYPE_SINT16:
+ case FFI_TYPE_UINT16:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_UINT32:
+ /* Passed as separate arguments. Disjoint, but there's room
+ enough in one slot to hold the pair. */
+ size = ty->elements[0]->size;
+ memcpy(valp + size, valp + 8, size);
+ break;
+
+ case FFI_TYPE_FLOAT:
+ /* Passed as separate arguments. Disjoint, and each piece
+ may need conversion back to float. */
+ if (argn < 6)
+ {
+ valp = &argp[argn - 6];
+ sts(valp, argp[argn - 6]);
+ }
+ if (argn + 1 < 6)
+ sts(valp + 4, argp[argn + 1 - 6]);
+ else
+ *(UINT32 *)(valp + 4) = argp[argn + 1];
+ break;
+
+ case FFI_TYPE_DOUBLE:
+ /* Passed as separate arguments. Only disjoint if one part
+ is in fp regs and the other is on the stack. */
+ if (argn < 5)
+ valp = &argp[argn - 6];
+ else if (argn == 5)
+ {
+ valp = alloca(16);
+ ((UINT64 *)valp)[0] = argp[5 - 6];
+ ((UINT64 *)valp)[1] = argp[6];
+ }
+ break;
+
+ case FFI_TYPE_LONGDOUBLE:
+ goto by_reference;
+
+ default:
+ abort();
+ }
+ argn += 2;
break;
default:
abort ();
}
- argn += ALIGN(size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG;
- i++;
+ avalue[i] = valp;
}
/* Invoke the closure. */
- closure->fun (cif, rvalue, avalue, closure->user_data);
+ fun (cif, rvalue, avalue, user_data);
/* Tell ffi_closure_osf how to perform return type promotions. */
- return cif->rtype->type;
+ return (flags >> ALPHA_LD_SHIFT) & 0xff;
}
diff --git a/src/alpha/ffitarget.h b/src/alpha/ffitarget.h
index af145bc..a02dbd0 100644
--- a/src/alpha/ffitarget.h
+++ b/src/alpha/ffitarget.h
@@ -44,9 +44,13 @@ typedef enum ffi_abi {
} ffi_abi;
#endif
+#define FFI_TARGET_SPECIFIC_STACK_SPACE_ALLOCATION
+#define FFI_TARGET_HAS_COMPLEX_TYPE
+
/* ---- Definitions for closures ----------------------------------------- */
#define FFI_CLOSURES 1
+#define FFI_GO_CLOSURES 1
#define FFI_TRAMPOLINE_SIZE 24
#define FFI_NATIVE_RAW_API 0
diff --git a/src/alpha/internal.h b/src/alpha/internal.h
new file mode 100644
index 0000000..44da192
--- /dev/null
+++ b/src/alpha/internal.h
@@ -0,0 +1,23 @@
+#define ALPHA_ST_VOID 0
+#define ALPHA_ST_INT 1
+#define ALPHA_ST_FLOAT 2
+#define ALPHA_ST_DOUBLE 3
+#define ALPHA_ST_CPLXF 4
+#define ALPHA_ST_CPLXD 5
+
+#define ALPHA_LD_VOID 0
+#define ALPHA_LD_INT64 1
+#define ALPHA_LD_INT32 2
+#define ALPHA_LD_UINT16 3
+#define ALPHA_LD_SINT16 4
+#define ALPHA_LD_UINT8 5
+#define ALPHA_LD_SINT8 6
+#define ALPHA_LD_FLOAT 7
+#define ALPHA_LD_DOUBLE 8
+#define ALPHA_LD_CPLXF 9
+#define ALPHA_LD_CPLXD 10
+
+#define ALPHA_ST_SHIFT 0
+#define ALPHA_LD_SHIFT 8
+#define ALPHA_RET_IN_MEM 0x10000
+#define ALPHA_FLAGS(S, L) (((L) << ALPHA_LD_SHIFT) | (S))
diff --git a/src/alpha/osf.S b/src/alpha/osf.S
index 6b9f4df..b031828 100644
--- a/src/alpha/osf.S
+++ b/src/alpha/osf.S
@@ -1,7 +1,7 @@
/* -----------------------------------------------------------------------
- osf.S - Copyright (c) 1998, 2001, 2007, 2008, 2011 Red Hat
-
- Alpha/OSF Foreign Function Interface
+ osf.S - Copyright (c) 1998, 2001, 2007, 2008, 2011, 2014 Red Hat
+
+ Alpha/OSF Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
@@ -24,40 +24,49 @@
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
-#define LIBFFI_ASM
+#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
+#include <ffi_cfi.h>
+#include "internal.h"
.arch ev6
.text
-/* ffi_call_osf (void *args, unsigned long bytes, unsigned flags,
- void *raddr, void (*fnaddr)(void));
+/* Aid in building a direct addressed jump table, 4 insns per entry. */
+.macro E index
+ .align 4
+ .org 99b + \index * 16
+.endm
+
+/* ffi_call_osf (void *stack, void *frame, unsigned flags,
+ void *raddr, void (*fnaddr)(void), void *closure)
- Bit o trickiness here -- ARGS+BYTES is the base of the stack frame
+ Bit o trickiness here -- FRAME is the base of the stack frame
for this function. This has been allocated by ffi_call. We also
deallocate some of the stack that has been alloca'd. */
- .align 3
+ .align 4
.globl ffi_call_osf
.ent ffi_call_osf
FFI_HIDDEN(ffi_call_osf)
ffi_call_osf:
- .frame $15, 32, $26, 0
- .mask 0x4008000, -32
-$LFB1:
- addq $16,$17,$1
+ cfi_startproc
+ cfi_def_cfa($17, 32)
mov $16, $30
- stq $26, 0($1)
- stq $15, 8($1)
- stq $18, 16($1)
- mov $1, $15
-$LCFI1:
+ stq $26, 0($17)
+ stq $15, 8($17)
+ mov $17, $15
.prologue 0
+ cfi_def_cfa_register($15)
+ cfi_rel_offset($26, 0)
+ cfi_rel_offset($15, 8)
- stq $19, 24($1)
- mov $20, $27
+ stq $18, 16($17) # save flags into frame
+ stq $19, 24($17) # save rvalue into frame
+ mov $20, $27 # fn into place for call
+ mov $21, $1 # closure into static chain
# Load up all of the (potential) argument registers.
ldq $16, 0($30)
@@ -77,311 +86,197 @@ $LCFI1:
lda $30, 48($30)
jsr $26, ($27), 0
- ldgp $29, 0($26)
-
- # If the return value pointer is NULL, assume no return value.
- ldq $19, 24($15)
- ldq $18, 16($15)
+0:
+ ldah $29, 0($26) !gpdisp!1
+ ldq $2, 24($15) # reload rvalue
+ lda $29, 0($29) !gpdisp!1
+ ldq $3, 16($15) # reload flags
+ lda $1, 99f-0b($26)
ldq $26, 0($15)
-$LCFI2:
- beq $19, $noretval
-
- # Store the return value out in the proper type.
- cmpeq $18, FFI_TYPE_INT, $1
- bne $1, $retint
- cmpeq $18, FFI_TYPE_FLOAT, $2
- bne $2, $retfloat
- cmpeq $18, FFI_TYPE_DOUBLE, $3
- bne $3, $retdouble
-
- .align 3
-$noretval:
ldq $15, 8($15)
- ret
+ cfi_restore($26)
+ cfi_restore($15)
+ cfi_def_cfa($sp, 0)
+ cmoveq $2, ALPHA_ST_VOID, $3 # mash null rvalue to void
+ addq $3, $3, $3
+ s8addq $3, $1, $1 # 99f + stcode * 16
+ jmp $31, ($1), $st_int
.align 4
-$retint:
- stq $0, 0($19)
- nop
- ldq $15, 8($15)
+99:
+E ALPHA_ST_VOID
ret
-
- .align 4
-$retfloat:
- sts $f0, 0($19)
- nop
- ldq $15, 8($15)
+E ALPHA_ST_INT
+$st_int:
+ stq $0, 0($2)
ret
-
- .align 4
-$retdouble:
- stt $f0, 0($19)
- nop
- ldq $15, 8($15)
+E ALPHA_ST_FLOAT
+ sts $f0, 0($2)
+ ret
+E ALPHA_ST_DOUBLE
+ stt $f0, 0($2)
+ ret
+E ALPHA_ST_CPLXF
+ sts $f0, 0($2)
+ sts $f1, 4($2)
+ ret
+E ALPHA_ST_CPLXD
+ stt $f0, 0($2)
+ stt $f1, 8($2)
ret
-$LFE1:
+ cfi_endproc
.end ffi_call_osf
/* ffi_closure_osf(...)
Receives the closure argument in $1. */
- .align 3
+#define CLOSURE_FS (16*8)
+
+ .align 4
+ .globl ffi_go_closure_osf
+ .ent ffi_go_closure_osf
+ FFI_HIDDEN(ffi_go_closure_osf)
+
+ffi_go_closure_osf:
+ cfi_startproc
+ ldgp $29, 0($27)
+ subq $30, CLOSURE_FS, $30
+ cfi_adjust_cfa_offset(CLOSURE_FS)
+ stq $26, 0($30)
+ .prologue 1
+ cfi_rel_offset($26, 0)
+
+ stq $16, 10*8($30)
+ stq $17, 11*8($30)
+ stq $18, 12*8($30)
+
+ ldq $16, 8($1) # load cif
+ ldq $17, 16($1) # load fun
+ mov $1, $18 # closure is user_data
+ br $do_closure
+
+ cfi_endproc
+ .end ffi_go_closure_osf
+
+ .align 4
.globl ffi_closure_osf
.ent ffi_closure_osf
FFI_HIDDEN(ffi_closure_osf)
ffi_closure_osf:
- .frame $30, 16*8, $26, 0
- .mask 0x4000000, -16*8
-$LFB2:
+ cfi_startproc
ldgp $29, 0($27)
- subq $30, 16*8, $30
-$LCFI5:
+ subq $30, CLOSURE_FS, $30
+ cfi_adjust_cfa_offset(CLOSURE_FS)
stq $26, 0($30)
-$LCFI6:
.prologue 1
+ cfi_rel_offset($26, 0)
# Store all of the potential argument registers in va_list format.
- stt $f16, 4*8($30)
- stt $f17, 5*8($30)
- stt $f18, 6*8($30)
- stt $f19, 7*8($30)
- stt $f20, 8*8($30)
- stt $f21, 9*8($30)
stq $16, 10*8($30)
stq $17, 11*8($30)
stq $18, 12*8($30)
+
+ ldq $16, 24($1) # load cif
+ ldq $17, 32($1) # load fun
+ ldq $18, 40($1) # load user_data
+
+$do_closure:
stq $19, 13*8($30)
stq $20, 14*8($30)
stq $21, 15*8($30)
+ stt $f16, 4*8($30)
+ stt $f17, 5*8($30)
+ stt $f18, 6*8($30)
+ stt $f19, 7*8($30)
+ stt $f20, 8*8($30)
+ stt $f21, 9*8($30)
# Call ffi_closure_osf_inner to do the bulk of the work.
- mov $1, $16
- lda $17, 2*8($30)
- lda $18, 10*8($30)
+ lda $19, 2*8($30)
+ lda $20, 10*8($30)
jsr $26, ffi_closure_osf_inner
- ldgp $29, 0($26)
+0:
+ ldah $29, 0($26) !gpdisp!2
+ lda $2, 99f-0b($26)
+ s4addq $0, 0, $1 # ldcode * 4
+ ldq $0, 16($30) # preload return value
+ s4addq $1, $2, $1 # 99f + ldcode * 16
+ lda $29, 0($29) !gpdisp!2
ldq $26, 0($30)
-
- # Load up the return value in the proper type.
- lda $1, $load_table
- s4addq $0, $1, $1
- ldl $1, 0($1)
- addq $1, $29, $1
+ cfi_restore($26)
jmp $31, ($1), $load_32
- .align 4
-$load_none:
- addq $30, 16*8, $30
+.macro epilogue
+ addq $30, CLOSURE_FS, $30
+ cfi_adjust_cfa_offset(-CLOSURE_FS)
ret
+ .align 4
+ cfi_adjust_cfa_offset(CLOSURE_FS)
+.endm
.align 4
-$load_float:
- lds $f0, 16($30)
- nop
- addq $30, 16*8, $30
- ret
+99:
+E ALPHA_LD_VOID
+ epilogue
- .align 4
-$load_double:
- ldt $f0, 16($30)
- nop
- addq $30, 16*8, $30
- ret
+E ALPHA_LD_INT64
+ epilogue
- .align 4
-$load_u8:
+E ALPHA_LD_INT32
+$load_32:
+ sextl $0, $0
+ epilogue
+
+E ALPHA_LD_UINT16
+ zapnot $0, 3, $0
+ epilogue
+
+E ALPHA_LD_SINT16
#ifdef __alpha_bwx__
- ldbu $0, 16($30)
- nop
+ sextw $0, $0
#else
- ldq $0, 16($30)
- and $0, 255, $0
+ sll $0, 48, $0
+ sra $0, 48, $0
#endif
- addq $30, 16*8, $30
- ret
+ epilogue
- .align 4
-$load_s8:
+E ALPHA_LD_UINT8
+ and $0, 0xff, $0
+ epilogue
+
+E ALPHA_LD_SINT8
#ifdef __alpha_bwx__
- ldbu $0, 16($30)
sextb $0, $0
#else
- ldq $0, 16($30)
sll $0, 56, $0
sra $0, 56, $0
#endif
- addq $30, 16*8, $30
- ret
+ epilogue
- .align 4
-$load_u16:
-#ifdef __alpha_bwx__
- ldwu $0, 16($30)
- nop
-#else
- ldq $0, 16($30)
- zapnot $0, 3, $0
-#endif
- addq $30, 16*8, $30
- ret
+E ALPHA_LD_FLOAT
+ lds $f0, 16($sp)
+ epilogue
- .align 4
-$load_s16:
-#ifdef __alpha_bwx__
- ldwu $0, 16($30)
- sextw $0, $0
-#else
- ldq $0, 16($30)
- sll $0, 48, $0
- sra $0, 48, $0
-#endif
- addq $30, 16*8, $30
- ret
+E ALPHA_LD_DOUBLE
+ ldt $f0, 16($sp)
+ epilogue
- .align 4
-$load_32:
- ldl $0, 16($30)
- nop
- addq $30, 16*8, $30
- ret
+E ALPHA_LD_CPLXF
+ lds $f0, 16($sp)
+ lds $f1, 20($sp)
+ epilogue
- .align 4
-$load_64:
- ldq $0, 16($30)
- nop
- addq $30, 16*8, $30
- ret
-$LFE2:
+E ALPHA_LD_CPLXD
+ ldt $f0, 16($sp)
+ ldt $f1, 24($sp)
+ epilogue
+ cfi_endproc
.end ffi_closure_osf
-#ifdef __ELF__
-.section .rodata
-#else
-.rdata
-#endif
-$load_table:
- .gprel32 $load_none # FFI_TYPE_VOID
- .gprel32 $load_32 # FFI_TYPE_INT
- .gprel32 $load_float # FFI_TYPE_FLOAT
- .gprel32 $load_double # FFI_TYPE_DOUBLE
- .gprel32 $load_none # FFI_TYPE_LONGDOUBLE
- .gprel32 $load_u8 # FFI_TYPE_UINT8
- .gprel32 $load_s8 # FFI_TYPE_SINT8
- .gprel32 $load_u16 # FFI_TYPE_UINT16
- .gprel32 $load_s16 # FFI_TYPE_SINT16
- .gprel32 $load_32 # FFI_TYPE_UINT32
- .gprel32 $load_32 # FFI_TYPE_SINT32
- .gprel32 $load_64 # FFI_TYPE_UINT64
- .gprel32 $load_64 # FFI_TYPE_SINT64
- .gprel32 $load_none # FFI_TYPE_STRUCT
- .gprel32 $load_64 # FFI_TYPE_POINTER
-
-/* Assert that the table above is in sync with ffi.h. */
-
-#if FFI_TYPE_FLOAT != 2 \
- || FFI_TYPE_DOUBLE != 3 \
- || FFI_TYPE_UINT8 != 5 \
- || FFI_TYPE_SINT8 != 6 \
- || FFI_TYPE_UINT16 != 7 \
- || FFI_TYPE_SINT16 != 8 \
- || FFI_TYPE_UINT32 != 9 \
- || FFI_TYPE_SINT32 != 10 \
- || FFI_TYPE_UINT64 != 11 \
- || FFI_TYPE_SINT64 != 12 \
- || FFI_TYPE_STRUCT != 13 \
- || FFI_TYPE_POINTER != 14 \
- || FFI_TYPE_LAST != 14
-#error "osf.S out of sync with ffi.h"
-#endif
-
-#ifdef __ELF__
-# define UA_SI .4byte
-# define FDE_ENCODING 0x1b /* pcrel sdata4 */
-# define FDE_ENCODE(X) .4byte X-.
-# define FDE_ARANGE(X) .4byte X
-#elif defined __osf__
-# define UA_SI .align 0; .long
-# define FDE_ENCODING 0x50 /* aligned absolute */
-# define FDE_ENCODE(X) .align 3; .quad X
-# define FDE_ARANGE(X) .align 0; .quad X
-#endif
-
-#ifdef __ELF__
- .section .eh_frame,EH_FRAME_FLAGS,@progbits
-#elif defined __osf__
- .data
- .align 3
- .globl _GLOBAL__F_ffi_call_osf
-_GLOBAL__F_ffi_call_osf:
-#endif
-__FRAME_BEGIN__:
- UA_SI $LECIE1-$LSCIE1 # Length of Common Information Entry
-$LSCIE1:
- UA_SI 0x0 # CIE Identifier Tag
- .byte 0x1 # CIE Version
- .ascii "zR\0" # CIE Augmentation
- .byte 0x1 # uleb128 0x1; CIE Code Alignment Factor
- .byte 0x78 # sleb128 -8; CIE Data Alignment Factor
- .byte 26 # CIE RA Column
- .byte 0x1 # uleb128 0x1; Augmentation size
- .byte FDE_ENCODING # FDE Encoding
- .byte 0xc # DW_CFA_def_cfa
- .byte 30 # uleb128 column 30
- .byte 0 # uleb128 offset 0
- .align 3
-$LECIE1:
-$LSFDE1:
- UA_SI $LEFDE1-$LASFDE1 # FDE Length
-$LASFDE1:
- UA_SI $LASFDE1-__FRAME_BEGIN__ # FDE CIE offset
- FDE_ENCODE($LFB1) # FDE initial location
- FDE_ARANGE($LFE1-$LFB1) # FDE address range
- .byte 0x0 # uleb128 0x0; Augmentation size
-
- .byte 0x4 # DW_CFA_advance_loc4
- UA_SI $LCFI1-$LFB1
- .byte 0x9a # DW_CFA_offset, column 26
- .byte 4 # uleb128 4*-8
- .byte 0x8f # DW_CFA_offset, column 15
- .byte 0x3 # uleb128 3*-8
- .byte 0xc # DW_CFA_def_cfa
- .byte 15 # uleb128 column 15
- .byte 32 # uleb128 offset 32
-
- .byte 0x4 # DW_CFA_advance_loc4
- UA_SI $LCFI2-$LCFI1
- .byte 0xda # DW_CFA_restore, column 26
- .align 3
-$LEFDE1:
-
-$LSFDE3:
- UA_SI $LEFDE3-$LASFDE3 # FDE Length
-$LASFDE3:
- UA_SI $LASFDE3-__FRAME_BEGIN__ # FDE CIE offset
- FDE_ENCODE($LFB2) # FDE initial location
- FDE_ARANGE($LFE2-$LFB2) # FDE address range
- .byte 0x0 # uleb128 0x0; Augmentation size
-
- .byte 0x4 # DW_CFA_advance_loc4
- UA_SI $LCFI5-$LFB2
- .byte 0xe # DW_CFA_def_cfa_offset
- .byte 0x80,0x1 # uleb128 128
-
- .byte 0x4 # DW_CFA_advance_loc4
- UA_SI $LCFI6-$LCFI5
- .byte 0x9a # DW_CFA_offset, column 26
- .byte 16 # uleb128 offset 16*-8
- .align 3
-$LEFDE3:
-#if defined __osf__
- .align 0
- .long 0 # End of Table
-#endif
-
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",@progbits
#endif
diff --git a/src/arm/ffi.c b/src/arm/ffi.c
index 6691ab5..9c8732d 100644
--- a/src/arm/ffi.c
+++ b/src/arm/ffi.c
@@ -30,512 +30,505 @@
#include <ffi.h>
#include <ffi_common.h>
-
#include <stdlib.h>
+#include "internal.h"
/* Forward declares. */
-static int vfp_type_p (ffi_type *);
+static int vfp_type_p (const ffi_type *);
static void layout_vfp_args (ffi_cif *);
-int ffi_prep_args_SYSV(char *stack, extended_cif *ecif, float *vfp_space);
-int ffi_prep_args_VFP(char *stack, extended_cif *ecif, float *vfp_space);
-
-static char* ffi_align(ffi_type **p_arg, char *argp)
+static void *
+ffi_align (ffi_type *ty, void *p)
{
/* Align if necessary */
- register size_t alignment = (*p_arg)->alignment;
- if (alignment < 4)
- {
- alignment = 4;
- }
+ size_t alignment;
#ifdef _WIN32_WCE
- if (alignment > 4)
- {
+ alignment = 4;
+#else
+ alignment = ty->alignment;
+ if (alignment < 4)
alignment = 4;
- }
#endif
- if ((alignment - 1) & (unsigned) argp)
- {
- argp = (char *) ALIGN(argp, alignment);
- }
-
- if ((*p_arg)->type == FFI_TYPE_STRUCT)
- {
- argp = (char *) ALIGN(argp, 4);
- }
- return argp;
+ return (void *) ALIGN (p, alignment);
}
-static size_t ffi_put_arg(ffi_type **arg_type, void **arg, char *stack)
+static size_t
+ffi_put_arg (ffi_type *ty, void *src, void *dst)
{
- register char* argp = stack;
- register ffi_type **p_arg = arg_type;
- register void **p_argv = arg;
- register size_t z = (*p_arg)->size;
- if (z < sizeof(int))
- {
- z = sizeof(int);
- switch ((*p_arg)->type)
- {
- case FFI_TYPE_SINT8:
- *(signed int *) argp = (signed int)*(SINT8 *)(* p_argv);
- break;
-
- case FFI_TYPE_UINT8:
- *(unsigned int *) argp = (unsigned int)*(UINT8 *)(* p_argv);
- break;
-
- case FFI_TYPE_SINT16:
- *(signed int *) argp = (signed int)*(SINT16 *)(* p_argv);
- break;
-
- case FFI_TYPE_UINT16:
- *(unsigned int *) argp = (unsigned int)*(UINT16 *)(* p_argv);
- break;
-
- case FFI_TYPE_STRUCT:
- memcpy(argp, *p_argv, (*p_arg)->size);
- break;
+ size_t z = ty->size;
- default:
- FFI_ASSERT(0);
- }
- }
- else if (z == sizeof(int))
+ switch (ty->type)
{
- if ((*p_arg)->type == FFI_TYPE_FLOAT)
- *(float *) argp = *(float *)(* p_argv);
- else
- *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
- }
- else if (z == sizeof(double) && (*p_arg)->type == FFI_TYPE_DOUBLE)
- {
- *(double *) argp = *(double *)(* p_argv);
- }
- else
- {
- memcpy(argp, *p_argv, z);
+ case FFI_TYPE_SINT8:
+ *(UINT32 *)dst = *(SINT8 *)src;
+ break;
+ case FFI_TYPE_UINT8:
+ *(UINT32 *)dst = *(UINT8 *)src;
+ break;
+ case FFI_TYPE_SINT16:
+ *(UINT32 *)dst = *(SINT16 *)src;
+ break;
+ case FFI_TYPE_UINT16:
+ *(UINT32 *)dst = *(UINT16 *)src;
+ break;
+
+ case FFI_TYPE_INT:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_POINTER:
+ case FFI_TYPE_FLOAT:
+ *(UINT32 *)dst = *(UINT32 *)src;
+ break;
+
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_DOUBLE:
+ *(UINT64 *)dst = *(UINT64 *)src;
+ break;
+
+ case FFI_TYPE_STRUCT:
+ case FFI_TYPE_COMPLEX:
+ memcpy (dst, src, z);
+ break;
+
+ default:
+ abort();
}
- return z;
+
+ return ALIGN (z, 4);
}
-/* ffi_prep_args is called by the assembly routine once stack space
- has been allocated for the function's arguments
-
+
+/* ffi_prep_args is called once stack space has been allocated
+ for the function's arguments.
+
The vfp_space parameter is the load area for VFP regs, the return
value is cif->vfp_used (word bitset of VFP regs used for passing
arguments). These are only used for the VFP hard-float ABI.
*/
-int ffi_prep_args_SYSV(char *stack, extended_cif *ecif, float *vfp_space)
+static void
+ffi_prep_args_SYSV (ffi_cif *cif, int flags, void *rvalue,
+ void **avalue, char *argp)
{
- register unsigned int i;
- register void **p_argv;
- register char *argp;
- register ffi_type **p_arg;
- argp = stack;
-
-
- if ( ecif->cif->flags == FFI_TYPE_STRUCT ) {
- *(void **) argp = ecif->rvalue;
- argp += 4;
- }
-
- p_argv = ecif->avalue;
-
- for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types;
- (i != 0);
- i--, p_arg++, p_argv++)
+ ffi_type **arg_types = cif->arg_types;
+ int i, n;
+
+ if (flags == ARM_TYPE_STRUCT)
{
- argp = ffi_align(p_arg, argp);
- argp += ffi_put_arg(p_arg, p_argv, argp);
+ *(void **) argp = rvalue;
+ argp += 4;
}
- return 0;
+ for (i = 0, n = cif->nargs; i < n; i++)
+ {
+ ffi_type *ty = arg_types[i];
+ argp = ffi_align (ty, argp);
+ argp += ffi_put_arg (ty, avalue[i], argp);
+ }
}
-int ffi_prep_args_VFP(char *stack, extended_cif *ecif, float *vfp_space)
+static void
+ffi_prep_args_VFP (ffi_cif *cif, int flags, void *rvalue,
+ void **avalue, char *stack, char *vfp_space)
{
- register unsigned int i, vi = 0;
- register void **p_argv;
- register char *argp, *regp, *eo_regp;
- register ffi_type **p_arg;
+ ffi_type **arg_types = cif->arg_types;
+ int i, n, vi = 0;
+ char *argp, *regp, *eo_regp;
char stack_used = 0;
char done_with_regs = 0;
- char is_vfp_type;
-
- // make sure we are using FFI_VFP
- FFI_ASSERT(ecif->cif->abi == FFI_VFP);
- /* the first 4 words on the stack are used for values passed in core
- * registers. */
+ /* The first 4 words on the stack are used for values
+ passed in core registers. */
regp = stack;
eo_regp = argp = regp + 16;
-
- /* if the function returns an FFI_TYPE_STRUCT in memory, that address is
- * passed in r0 to the function */
- if ( ecif->cif->flags == FFI_TYPE_STRUCT ) {
- *(void **) regp = ecif->rvalue;
- regp += 4;
- }
-
- p_argv = ecif->avalue;
+ /* If the function returns an FFI_TYPE_STRUCT in memory,
+ that address is passed in r0 to the function. */
+ if (flags == ARM_TYPE_STRUCT)
+ {
+ *(void **) regp = rvalue;
+ regp += 4;
+ }
- for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types;
- (i != 0);
- i--, p_arg++, p_argv++)
+ for (i = 0, n = cif->nargs; i < n; i++)
{
- is_vfp_type = vfp_type_p (*p_arg);
+ ffi_type *ty = arg_types[i];
+ void *a = avalue[i];
+ int is_vfp_type = vfp_type_p (ty);
/* Allocated in VFP registers. */
- if(vi < ecif->cif->vfp_nargs && is_vfp_type)
- {
- char *vfp_slot = (char *)(vfp_space + ecif->cif->vfp_args[vi++]);
- ffi_put_arg(p_arg, p_argv, vfp_slot);
- continue;
- }
+ if (vi < cif->vfp_nargs && is_vfp_type)
+ {
+ char *vfp_slot = vfp_space + cif->vfp_args[vi++] * 4;
+ ffi_put_arg (ty, a, vfp_slot);
+ continue;
+ }
/* Try allocating in core registers. */
else if (!done_with_regs && !is_vfp_type)
- {
- char *tregp = ffi_align(p_arg, regp);
- size_t size = (*p_arg)->size;
- size = (size < 4)? 4 : size; // pad
- /* Check if there is space left in the aligned register area to place
- * the argument */
- if(tregp + size <= eo_regp)
- {
- regp = tregp + ffi_put_arg(p_arg, p_argv, tregp);
- done_with_regs = (regp == argp);
- // ensure we did not write into the stack area
- FFI_ASSERT(regp <= argp);
- continue;
- }
- /* In case there are no arguments in the stack area yet,
- the argument is passed in the remaining core registers and on the
- stack. */
- else if (!stack_used)
- {
- stack_used = 1;
- done_with_regs = 1;
- argp = tregp + ffi_put_arg(p_arg, p_argv, tregp);
- FFI_ASSERT(eo_regp < argp);
- continue;
- }
- }
+ {
+ char *tregp = ffi_align (ty, regp);
+ size_t size = ty->size;
+ size = (size < 4) ? 4 : size; // pad
+ /* Check if there is space left in the aligned register
+ area to place the argument. */
+ if (tregp + size <= eo_regp)
+ {
+ regp = tregp + ffi_put_arg (ty, a, tregp);
+ done_with_regs = (regp == argp);
+ // ensure we did not write into the stack area
+ FFI_ASSERT (regp <= argp);
+ continue;
+ }
+ /* In case there are no arguments in the stack area yet,
+ the argument is passed in the remaining core registers
+ and on the stack. */
+ else if (!stack_used)
+ {
+ stack_used = 1;
+ done_with_regs = 1;
+ argp = tregp + ffi_put_arg (ty, a, tregp);
+ FFI_ASSERT (eo_regp < argp);
+ continue;
+ }
+ }
/* Base case, arguments are passed on the stack */
stack_used = 1;
- argp = ffi_align(p_arg, argp);
- argp += ffi_put_arg(p_arg, p_argv, argp);
+ argp = ffi_align (ty, argp);
+ argp += ffi_put_arg (ty, a, argp);
}
- /* Indicate the VFP registers used. */
- return ecif->cif->vfp_used;
}
/* Perform machine dependent cif processing */
-ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
+ffi_status
+ffi_prep_cif_machdep (ffi_cif *cif)
{
- int type_code;
- /* Round the stack up to a multiple of 8 bytes. This isn't needed
- everywhere, but it is on some platforms, and it doesn't harm anything
- when it isn't needed. */
- cif->bytes = (cif->bytes + 7) & ~7;
+ int flags = 0, cabi = cif->abi;
+ size_t bytes = cif->bytes;
+
+ /* Map out the register placements of VFP register args. The VFP
+ hard-float calling conventions are slightly more sophisticated
+ than the base calling conventions, so we do it here instead of
+ in ffi_prep_args(). */
+ if (cabi == FFI_VFP)
+ layout_vfp_args (cif);
/* Set the return type flag */
switch (cif->rtype->type)
{
case FFI_TYPE_VOID:
- case FFI_TYPE_FLOAT:
- case FFI_TYPE_DOUBLE:
- cif->flags = (unsigned) cif->rtype->type;
+ flags = ARM_TYPE_VOID;
+ break;
+
+ case FFI_TYPE_INT:
+ case FFI_TYPE_UINT8:
+ case FFI_TYPE_SINT8:
+ case FFI_TYPE_UINT16:
+ case FFI_TYPE_SINT16:
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_POINTER:
+ flags = ARM_TYPE_INT;
break;
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
- cif->flags = (unsigned) FFI_TYPE_SINT64;
+ flags = ARM_TYPE_INT64;
+ break;
+
+ case FFI_TYPE_FLOAT:
+ flags = (cabi == FFI_VFP ? ARM_TYPE_VFP_S : ARM_TYPE_INT);
+ break;
+ case FFI_TYPE_DOUBLE:
+ flags = (cabi == FFI_VFP ? ARM_TYPE_VFP_D : ARM_TYPE_INT64);
break;
case FFI_TYPE_STRUCT:
- if (cif->abi == FFI_VFP
- && (type_code = vfp_type_p (cif->rtype)) != 0)
+ case FFI_TYPE_COMPLEX:
+ if (cabi == FFI_VFP)
{
- /* A Composite Type passed in VFP registers, either
- FFI_TYPE_STRUCT_VFP_FLOAT or FFI_TYPE_STRUCT_VFP_DOUBLE. */
- cif->flags = (unsigned) type_code;
+ int h = vfp_type_p (cif->rtype);
+
+ flags = ARM_TYPE_VFP_N;
+ if (h == 0x100 + FFI_TYPE_FLOAT)
+ flags = ARM_TYPE_VFP_S;
+ if (h == 0x100 + FFI_TYPE_DOUBLE)
+ flags = ARM_TYPE_VFP_D;
+ if (h != 0)
+ break;
}
- else if (cif->rtype->size <= 4)
- /* A Composite Type not larger than 4 bytes is returned in r0. */
- cif->flags = (unsigned)FFI_TYPE_INT;
+
+ /* A Composite Type not larger than 4 bytes is returned in r0.
+ A Composite Type larger than 4 bytes, or whose size cannot
+ be determined statically ... is stored in memory at an
+ address passed [in r0]. */
+ if (cif->rtype->size <= 4)
+ flags = ARM_TYPE_INT;
else
- /* A Composite Type larger than 4 bytes, or whose size cannot
- be determined statically ... is stored in memory at an
- address passed [in r0]. */
- cif->flags = (unsigned)FFI_TYPE_STRUCT;
+ {
+ flags = ARM_TYPE_STRUCT;
+ bytes += 4;
+ }
break;
default:
- cif->flags = FFI_TYPE_INT;
- break;
+ abort();
}
- /* Map out the register placements of VFP register args.
- The VFP hard-float calling conventions are slightly more sophisticated than
- the base calling conventions, so we do it here instead of in ffi_prep_args(). */
- if (cif->abi == FFI_VFP)
- layout_vfp_args (cif);
+ /* Round the stack up to a multiple of 8 bytes. This isn't needed
+ everywhere, but it is on some platforms, and it doesn't harm anything
+ when it isn't needed. */
+ bytes = ALIGN (bytes, 8);
+
+ /* Minimum stack space is the 4 register arguments that we pop. */
+ if (bytes < 4*4)
+ bytes = 4*4;
+
+ cif->bytes = bytes;
+ cif->flags = flags;
return FFI_OK;
}
/* Perform machine dependent cif processing for variadic calls */
-ffi_status ffi_prep_cif_machdep_var(ffi_cif *cif,
- unsigned int nfixedargs,
- unsigned int ntotalargs)
+ffi_status
+ffi_prep_cif_machdep_var (ffi_cif * cif,
+ unsigned int nfixedargs, unsigned int ntotalargs)
{
/* VFP variadic calls actually use the SYSV ABI */
if (cif->abi == FFI_VFP)
- cif->abi = FFI_SYSV;
+ cif->abi = FFI_SYSV;
- return ffi_prep_cif_machdep(cif);
+ return ffi_prep_cif_machdep (cif);
}
-/* Prototypes for assembly functions, in sysv.S */
-extern void ffi_call_SYSV (void (*fn)(void), extended_cif *, unsigned, unsigned, unsigned *);
-extern void ffi_call_VFP (void (*fn)(void), extended_cif *, unsigned, unsigned, unsigned *);
+/* Prototypes for assembly functions, in sysv.S. */
-void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
+struct call_frame
{
- extended_cif ecif;
-
- int small_struct = (cif->flags == FFI_TYPE_INT
- && cif->rtype->type == FFI_TYPE_STRUCT);
- int vfp_struct = (cif->flags == FFI_TYPE_STRUCT_VFP_FLOAT
- || cif->flags == FFI_TYPE_STRUCT_VFP_DOUBLE);
-
- unsigned int temp;
-
- ecif.cif = cif;
- ecif.avalue = avalue;
+ void *fp;
+ void *lr;
+ void *rvalue;
+ int flags;
+ void *closure;
+};
- /* If the return value is a struct and we don't have a return */
- /* value address then we need to make one */
+extern void ffi_call_SYSV (void *stack, struct call_frame *,
+ void (*fn) (void)) FFI_HIDDEN;
+extern void ffi_call_VFP (void *vfp_space, struct call_frame *,
+ void (*fn) (void), unsigned vfp_used) FFI_HIDDEN;
- if ((rvalue == NULL) &&
- (cif->flags == FFI_TYPE_STRUCT))
+static void
+ffi_call_int (ffi_cif * cif, void (*fn) (void), void *rvalue,
+ void **avalue, void *closure)
+{
+ int flags = cif->flags;
+ ffi_type *rtype = cif->rtype;
+ size_t bytes, rsize, vfp_size;
+ char *stack, *vfp_space, *new_rvalue;
+ struct call_frame *frame;
+
+ rsize = 0;
+ if (rvalue == NULL)
{
- ecif.rvalue = alloca(cif->rtype->size);
+ /* If the return value is a struct and we don't have a return
+ value address then we need to make one. Otherwise the return
+ value is in registers and we can ignore them. */
+ if (flags == ARM_TYPE_STRUCT)
+ rsize = rtype->size;
+ else
+ flags = ARM_TYPE_VOID;
}
- else if (small_struct)
- ecif.rvalue = &temp;
- else if (vfp_struct)
+ else if (flags == ARM_TYPE_VFP_N)
{
/* Largest case is double x 4. */
- ecif.rvalue = alloca(32);
+ rsize = 32;
}
- else
- ecif.rvalue = rvalue;
+ else if (flags == ARM_TYPE_INT && rtype->type == FFI_TYPE_STRUCT)
+ rsize = 4;
- switch (cif->abi)
- {
- case FFI_SYSV:
- ffi_call_SYSV (fn, &ecif, cif->bytes, cif->flags, ecif.rvalue);
- break;
+ /* Largest case. */
+ vfp_size = (cif->abi == FFI_VFP && cif->vfp_used ? 8*8: 0);
- case FFI_VFP:
-#ifdef __ARM_EABI__
- ffi_call_VFP (fn, &ecif, cif->bytes, cif->flags, ecif.rvalue);
- break;
-#endif
+ bytes = cif->bytes;
+ stack = alloca (vfp_size + bytes + sizeof(struct call_frame) + rsize);
- default:
- FFI_ASSERT(0);
- break;
- }
- if (small_struct)
- {
- FFI_ASSERT(rvalue != NULL);
- memcpy (rvalue, &temp, cif->rtype->size);
- }
-
- else if (vfp_struct)
+ vfp_space = NULL;
+ if (vfp_size)
{
- FFI_ASSERT(rvalue != NULL);
- memcpy (rvalue, ecif.rvalue, cif->rtype->size);
+ vfp_space = stack;
+ stack += vfp_size;
}
-
-}
-
-/** private members **/
-
-static void ffi_prep_incoming_args_SYSV (char *stack, void **ret,
- void** args, ffi_cif* cif, float *vfp_stack);
-
-static void ffi_prep_incoming_args_VFP (char *stack, void **ret,
- void** args, ffi_cif* cif, float *vfp_stack);
-void ffi_closure_SYSV (ffi_closure *);
+ frame = (struct call_frame *)(stack + bytes);
-void ffi_closure_VFP (ffi_closure *);
+ new_rvalue = rvalue;
+ if (rsize)
+ new_rvalue = (void *)(frame + 1);
-/* This function is jumped to by the trampoline */
+ frame->rvalue = new_rvalue;
+ frame->flags = flags;
+ frame->closure = closure;
-unsigned int FFI_HIDDEN
-ffi_closure_inner (ffi_closure *closure,
- void **respp, void *args, void *vfp_args)
-{
- // our various things...
- ffi_cif *cif;
- void **arg_area;
-
- cif = closure->cif;
- arg_area = (void**) alloca (cif->nargs * sizeof (void*));
-
- /* this call will initialize ARG_AREA, such that each
- * element in that array points to the corresponding
- * value on the stack; and if the function returns
- * a structure, it will re-set RESP to point to the
- * structure return address. */
- if (cif->abi == FFI_VFP)
- ffi_prep_incoming_args_VFP(args, respp, arg_area, cif, vfp_args);
+ if (vfp_space)
+ {
+ ffi_prep_args_VFP (cif, flags, new_rvalue, avalue, stack, vfp_space);
+ ffi_call_VFP (vfp_space, frame, fn, cif->vfp_used);
+ }
else
- ffi_prep_incoming_args_SYSV(args, respp, arg_area, cif, vfp_args);
-
- (closure->fun) (cif, *respp, arg_area, closure->user_data);
+ {
+ ffi_prep_args_SYSV (cif, flags, new_rvalue, avalue, stack);
+ ffi_call_SYSV (stack, frame, fn);
+ }
- return cif->flags;
+ if (rvalue && rvalue != new_rvalue)
+ memcpy (rvalue, new_rvalue, rtype->size);
}
-/*@-exportheader@*/
-static void
-ffi_prep_incoming_args_SYSV(char *stack, void **rvalue,
- void **avalue, ffi_cif *cif,
- /* Used only under VFP hard-float ABI. */
- float *vfp_stack)
-/*@=exportheader@*/
+void
+ffi_call (ffi_cif *cif, void (*fn) (void), void *rvalue, void **avalue)
{
- register unsigned int i;
- register void **p_argv;
- register char *argp;
- register ffi_type **p_arg;
-
- argp = stack;
+ ffi_call_int (cif, fn, rvalue, avalue, NULL);
+}
- if ( cif->flags == FFI_TYPE_STRUCT ) {
- *rvalue = *(void **) argp;
- argp += 4;
- }
+void
+ffi_call_go (ffi_cif *cif, void (*fn) (void), void *rvalue,
+ void **avalue, void *closure)
+{
+ ffi_call_int (cif, fn, rvalue, avalue, closure);
+}
- p_argv = avalue;
+static void *
+ffi_prep_incoming_args_SYSV (ffi_cif *cif, void *rvalue,
+ char *argp, void **avalue)
+{
+ ffi_type **arg_types = cif->arg_types;
+ int i, n;
- for (i = cif->nargs, p_arg = cif->arg_types; (i != 0); i--, p_arg++)
+ if (cif->flags == ARM_TYPE_STRUCT)
{
- size_t z;
-
- argp = ffi_align(p_arg, argp);
-
- z = (*p_arg)->size;
-
- /* because we're little endian, this is what it turns into. */
+ rvalue = *(void **) argp;
+ argp += 4;
+ }
- *p_argv = (void*) argp;
+ for (i = 0, n = cif->nargs; i < n; i++)
+ {
+ ffi_type *ty = arg_types[i];
+ size_t z = ty->size;
- p_argv++;
+ argp = ffi_align (ty, argp);
+ avalue[i] = (void *) argp;
argp += z;
}
-
- return;
+
+ return rvalue;
}
-/*@-exportheader@*/
-static void
-ffi_prep_incoming_args_VFP(char *stack, void **rvalue,
- void **avalue, ffi_cif *cif,
- /* Used only under VFP hard-float ABI. */
- float *vfp_stack)
-/*@=exportheader@*/
+static void *
+ffi_prep_incoming_args_VFP (ffi_cif *cif, void *rvalue, char *stack,
+ char *vfp_space, void **avalue)
{
- register unsigned int i, vi = 0;
- register void **p_argv;
- register char *argp, *regp, *eo_regp;
- register ffi_type **p_arg;
+ ffi_type **arg_types = cif->arg_types;
+ int i, n, vi = 0;
+ char *argp, *regp, *eo_regp;
char done_with_regs = 0;
char stack_used = 0;
- char is_vfp_type;
- FFI_ASSERT(cif->abi == FFI_VFP);
regp = stack;
eo_regp = argp = regp + 16;
- if ( cif->flags == FFI_TYPE_STRUCT ) {
- *rvalue = *(void **) regp;
- regp += 4;
- }
-
- p_argv = avalue;
+ if (cif->flags == ARM_TYPE_STRUCT)
+ {
+ rvalue = *(void **) regp;
+ regp += 4;
+ }
- for (i = cif->nargs, p_arg = cif->arg_types; (i != 0); i--, p_arg++)
+ for (i = 0, n = cif->nargs; i < n; i++)
{
- size_t z;
- is_vfp_type = vfp_type_p (*p_arg);
+ ffi_type *ty = arg_types[i];
+ int is_vfp_type = vfp_type_p (ty);
+ size_t z = ty->size;
- if(vi < cif->vfp_nargs && is_vfp_type)
- {
- *p_argv++ = (void*)(vfp_stack + cif->vfp_args[vi++]);
- continue;
- }
- else if (!done_with_regs && !is_vfp_type)
- {
- char* tregp = ffi_align(p_arg, regp);
-
- z = (*p_arg)->size;
- z = (z < 4)? 4 : z; // pad
-
- /* if the arguments either fits into the registers or uses registers
- * and stack, while we haven't read other things from the stack */
- if(tregp + z <= eo_regp || !stack_used)
- {
- /* because we're little endian, this is what it turns into. */
- *p_argv = (void*) tregp;
-
- p_argv++;
- regp = tregp + z;
- // if we read past the last core register, make sure we have not read
- // from the stack before and continue reading after regp
- if(regp > eo_regp)
- {
- if(stack_used)
- {
- abort(); // we should never read past the end of the register
- // are if the stack is already in use
- }
- argp = regp;
- }
- if(regp >= eo_regp)
- {
- done_with_regs = 1;
- stack_used = 1;
- }
- continue;
- }
- }
- stack_used = 1;
+ if (vi < cif->vfp_nargs && is_vfp_type)
+ {
+ avalue[i] = vfp_space + cif->vfp_args[vi++] * 4;
+ continue;
+ }
+ else if (!done_with_regs && !is_vfp_type)
+ {
+ char *tregp = ffi_align (ty, regp);
- argp = ffi_align(p_arg, argp);
+ z = (z < 4) ? 4 : z; // pad
- z = (*p_arg)->size;
+ /* If the arguments either fits into the registers or uses registers
+ and stack, while we haven't read other things from the stack */
+ if (tregp + z <= eo_regp || !stack_used)
+ {
+ /* Because we're little endian, this is what it turns into. */
+ avalue[i] = (void *) tregp;
+ regp = tregp + z;
+
+ /* If we read past the last core register, make sure we
+ have not read from the stack before and continue
+ reading after regp. */
+ if (regp > eo_regp)
+ {
+ FFI_ASSERT (!stack_used);
+ argp = regp;
+ }
+ if (regp >= eo_regp)
+ {
+ done_with_regs = 1;
+ stack_used = 1;
+ }
+ continue;
+ }
+ }
- /* because we're little endian, this is what it turns into. */
+ stack_used = 1;
+ argp = ffi_align (ty, argp);
+ avalue[i] = (void *) argp;
+ argp += z;
+ }
- *p_argv = (void*) argp;
+ return rvalue;
+}
- p_argv++;
- argp += z;
- }
-
- return;
+struct closure_frame
+{
+ char vfp_space[8*8] __attribute__((aligned(8)));
+ char result[8*4];
+ char argp[];
+};
+
+int FFI_HIDDEN
+ffi_closure_inner_SYSV (ffi_cif *cif,
+ void (*fun) (ffi_cif *, void *, void **, void *),
+ void *user_data,
+ struct closure_frame *frame)
+{
+ void **avalue = (void **) alloca (cif->nargs * sizeof (void *));
+ void *rvalue = ffi_prep_incoming_args_SYSV (cif, frame->result,
+ frame->argp, avalue);
+ fun (cif, rvalue, avalue, user_data);
+ return cif->flags;
}
-/* How to make a trampoline. */
+int FFI_HIDDEN
+ffi_closure_inner_VFP (ffi_cif *cif,
+ void (*fun) (ffi_cif *, void *, void **, void *),
+ void *user_data,
+ struct closure_frame *frame)
+{
+ void **avalue = (void **) alloca (cif->nargs * sizeof (void *));
+ void *rvalue = ffi_prep_incoming_args_VFP (cif, frame->result, frame->argp,
+ frame->vfp_space, avalue);
+ fun (cif, rvalue, avalue, user_data);
+ return cif->flags;
+}
-extern unsigned int ffi_arm_trampoline[3];
+void ffi_closure_SYSV (void) FFI_HIDDEN;
+void ffi_closure_VFP (void) FFI_HIDDEN;
+void ffi_go_closure_SYSV (void) FFI_HIDDEN;
+void ffi_go_closure_VFP (void) FFI_HIDDEN;
#if FFI_EXEC_TRAMPOLINE_TABLE
@@ -549,7 +542,8 @@ extern void *ffi_closure_trampoline_table_page;
typedef struct ffi_trampoline_table ffi_trampoline_table;
typedef struct ffi_trampoline_table_entry ffi_trampoline_table_entry;
-struct ffi_trampoline_table {
+struct ffi_trampoline_table
+{
/* contiguous writable and executable pages */
vm_address_t config_page;
vm_address_t trampoline_page;
@@ -563,8 +557,9 @@ struct ffi_trampoline_table {
ffi_trampoline_table *next;
};
-struct ffi_trampoline_table_entry {
- void *(*trampoline)();
+struct ffi_trampoline_table_entry
+{
+ void *(*trampoline) ();
ffi_trampoline_table_entry *next;
};
@@ -591,62 +586,79 @@ ffi_trampoline_table_alloc ()
ffi_trampoline_table *table = NULL;
/* Loop until we can allocate two contiguous pages */
- while (table == NULL) {
- vm_address_t config_page = 0x0;
- kern_return_t kt;
-
- /* Try to allocate two pages */
- kt = vm_allocate (mach_task_self (), &config_page, PAGE_SIZE*2, VM_FLAGS_ANYWHERE);
- if (kt != KERN_SUCCESS) {
- fprintf(stderr, "vm_allocate() failure: %d at %s:%d\n", kt, __FILE__, __LINE__);
- break;
- }
+ while (table == NULL)
+ {
+ vm_address_t config_page = 0x0;
+ kern_return_t kt;
+
+ /* Try to allocate two pages */
+ kt =
+ vm_allocate (mach_task_self (), &config_page, PAGE_SIZE * 2,
+ VM_FLAGS_ANYWHERE);
+ if (kt != KERN_SUCCESS)
+ {
+ fprintf (stderr, "vm_allocate() failure: %d at %s:%d\n", kt,
+ __FILE__, __LINE__);
+ break;
+ }
- /* Now drop the second half of the allocation to make room for the trampoline table */
- vm_address_t trampoline_page = config_page+PAGE_SIZE;
- kt = vm_deallocate (mach_task_self (), trampoline_page, PAGE_SIZE);
- if (kt != KERN_SUCCESS) {
- fprintf(stderr, "vm_deallocate() failure: %d at %s:%d\n", kt, __FILE__, __LINE__);
- break;
- }
+ /* Now drop the second half of the allocation to make room for the trampoline table */
+ vm_address_t trampoline_page = config_page + PAGE_SIZE;
+ kt = vm_deallocate (mach_task_self (), trampoline_page, PAGE_SIZE);
+ if (kt != KERN_SUCCESS)
+ {
+ fprintf (stderr, "vm_deallocate() failure: %d at %s:%d\n", kt,
+ __FILE__, __LINE__);
+ break;
+ }
- /* Remap the trampoline table to directly follow the config page */
- vm_prot_t cur_prot;
- vm_prot_t max_prot;
+ /* Remap the trampoline table to directly follow the config page */
+ vm_prot_t cur_prot;
+ vm_prot_t max_prot;
- kt = vm_remap (mach_task_self (), &trampoline_page, PAGE_SIZE, 0x0, FALSE, mach_task_self (), (vm_address_t) &ffi_closure_trampoline_table_page, FALSE, &cur_prot, &max_prot, VM_INHERIT_SHARE);
+ kt =
+ vm_remap (mach_task_self (), &trampoline_page, PAGE_SIZE, 0x0, FALSE,
+ mach_task_self (),
+ (vm_address_t) & ffi_closure_trampoline_table_page, FALSE,
+ &cur_prot, &max_prot, VM_INHERIT_SHARE);
- /* If we lost access to the destination trampoline page, drop our config allocation mapping and retry */
- if (kt != KERN_SUCCESS) {
- /* Log unexpected failures */
- if (kt != KERN_NO_SPACE) {
- fprintf(stderr, "vm_remap() failure: %d at %s:%d\n", kt, __FILE__, __LINE__);
- }
+ /* If we lost access to the destination trampoline page, drop our config allocation mapping and retry */
+ if (kt != KERN_SUCCESS)
+ {
+ /* Log unexpected failures */
+ if (kt != KERN_NO_SPACE)
+ {
+ fprintf (stderr, "vm_remap() failure: %d at %s:%d\n", kt,
+ __FILE__, __LINE__);
+ }
- vm_deallocate (mach_task_self (), config_page, PAGE_SIZE);
- continue;
- }
+ vm_deallocate (mach_task_self (), config_page, PAGE_SIZE);
+ continue;
+ }
- /* We have valid trampoline and config pages */
- table = calloc (1, sizeof(ffi_trampoline_table));
- table->free_count = FFI_TRAMPOLINE_COUNT;
- table->config_page = config_page;
- table->trampoline_page = trampoline_page;
+ /* We have valid trampoline and config pages */
+ table = calloc (1, sizeof (ffi_trampoline_table));
+ table->free_count = FFI_TRAMPOLINE_COUNT;
+ table->config_page = config_page;
+ table->trampoline_page = trampoline_page;
- /* Create and initialize the free list */
- table->free_list_pool = calloc(FFI_TRAMPOLINE_COUNT, sizeof(ffi_trampoline_table_entry));
+ /* Create and initialize the free list */
+ table->free_list_pool =
+ calloc (FFI_TRAMPOLINE_COUNT, sizeof (ffi_trampoline_table_entry));
- uint16_t i;
- for (i = 0; i < table->free_count; i++) {
- ffi_trampoline_table_entry *entry = &table->free_list_pool[i];
- entry->trampoline = (void *) (table->trampoline_page + (i * FFI_TRAMPOLINE_SIZE));
+ uint16_t i;
+ for (i = 0; i < table->free_count; i++)
+ {
+ ffi_trampoline_table_entry *entry = &table->free_list_pool[i];
+ entry->trampoline =
+ (void *) (table->trampoline_page + (i * FFI_TRAMPOLINE_SIZE));
- if (i < table->free_count - 1)
- entry->next = &table->free_list_pool[i+1];
- }
+ if (i < table->free_count - 1)
+ entry->next = &table->free_list_pool[i + 1];
+ }
- table->free_list = table->free_list_pool;
- }
+ table->free_list = table->free_list_pool;
+ }
return table;
}
@@ -655,28 +667,30 @@ void *
ffi_closure_alloc (size_t size, void **code)
{
/* Create the closure */
- ffi_closure *closure = malloc(size);
+ ffi_closure *closure = malloc (size);
if (closure == NULL)
return NULL;
- pthread_mutex_lock(&ffi_trampoline_lock);
+ pthread_mutex_lock (&ffi_trampoline_lock);
/* Check for an active trampoline table with available entries. */
ffi_trampoline_table *table = ffi_trampoline_tables;
- if (table == NULL || table->free_list == NULL) {
- table = ffi_trampoline_table_alloc ();
- if (table == NULL) {
- free(closure);
- return NULL;
- }
+ if (table == NULL || table->free_list == NULL)
+ {
+ table = ffi_trampoline_table_alloc ();
+ if (table == NULL)
+ {
+ free (closure);
+ return NULL;
+ }
- /* Insert the new table at the top of the list */
- table->next = ffi_trampoline_tables;
- if (table->next != NULL)
- table->next->prev = table;
+ /* Insert the new table at the top of the list */
+ table->next = ffi_trampoline_tables;
+ if (table->next != NULL)
+ table->next->prev = table;
- ffi_trampoline_tables = table;
- }
+ ffi_trampoline_tables = table;
+ }
/* Claim the free entry */
ffi_trampoline_table_entry *entry = ffi_trampoline_tables->free_list;
@@ -684,7 +698,7 @@ ffi_closure_alloc (size_t size, void **code)
ffi_trampoline_tables->free_count--;
entry->next = NULL;
- pthread_mutex_unlock(&ffi_trampoline_lock);
+ pthread_mutex_unlock (&ffi_trampoline_lock);
/* Initialize the return values */
*code = entry->trampoline;
@@ -699,7 +713,7 @@ ffi_closure_free (void *ptr)
{
ffi_closure *closure = ptr;
- pthread_mutex_lock(&ffi_trampoline_lock);
+ pthread_mutex_lock (&ffi_trampoline_lock);
/* Fetch the table and entry references */
ffi_trampoline_table *table = closure->trampoline_table;
@@ -712,36 +726,43 @@ ffi_closure_free (void *ptr)
/* If all trampolines within this table are free, and at least one other table exists, deallocate
* the table */
- if (table->free_count == FFI_TRAMPOLINE_COUNT && ffi_trampoline_tables != table) {
- /* Remove from the list */
- if (table->prev != NULL)
- table->prev->next = table->next;
-
- if (table->next != NULL)
- table->next->prev = table->prev;
-
- /* Deallocate pages */
- kern_return_t kt;
- kt = vm_deallocate (mach_task_self (), table->config_page, PAGE_SIZE);
- if (kt != KERN_SUCCESS)
- fprintf(stderr, "vm_deallocate() failure: %d at %s:%d\n", kt, __FILE__, __LINE__);
-
- kt = vm_deallocate (mach_task_self (), table->trampoline_page, PAGE_SIZE);
- if (kt != KERN_SUCCESS)
- fprintf(stderr, "vm_deallocate() failure: %d at %s:%d\n", kt, __FILE__, __LINE__);
-
- /* Deallocate free list */
- free (table->free_list_pool);
- free (table);
- } else if (ffi_trampoline_tables != table) {
- /* Otherwise, bump this table to the top of the list */
- table->prev = NULL;
- table->next = ffi_trampoline_tables;
- if (ffi_trampoline_tables != NULL)
- ffi_trampoline_tables->prev = table;
-
- ffi_trampoline_tables = table;
- }
+ if (table->free_count == FFI_TRAMPOLINE_COUNT
+ && ffi_trampoline_tables != table)
+ {
+ /* Remove from the list */
+ if (table->prev != NULL)
+ table->prev->next = table->next;
+
+ if (table->next != NULL)
+ table->next->prev = table->prev;
+
+ /* Deallocate pages */
+ kern_return_t kt;
+ kt = vm_deallocate (mach_task_self (), table->config_page, PAGE_SIZE);
+ if (kt != KERN_SUCCESS)
+ fprintf (stderr, "vm_deallocate() failure: %d at %s:%d\n", kt,
+ __FILE__, __LINE__);
+
+ kt =
+ vm_deallocate (mach_task_self (), table->trampoline_page, PAGE_SIZE);
+ if (kt != KERN_SUCCESS)
+ fprintf (stderr, "vm_deallocate() failure: %d at %s:%d\n", kt,
+ __FILE__, __LINE__);
+
+ /* Deallocate free list */
+ free (table->free_list_pool);
+ free (table);
+ }
+ else if (ffi_trampoline_tables != table)
+ {
+ /* Otherwise, bump this table to the top of the list */
+ table->prev = NULL;
+ table->next = ffi_trampoline_tables;
+ if (ffi_trampoline_tables != NULL)
+ ffi_trampoline_tables->prev = table;
+
+ ffi_trampoline_tables = table;
+ }
pthread_mutex_unlock (&ffi_trampoline_lock);
@@ -751,133 +772,225 @@ ffi_closure_free (void *ptr)
#else
-#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX) \
-({ unsigned char *__tramp = (unsigned char*)(TRAMP); \
- unsigned int __fun = (unsigned int)(FUN); \
- unsigned int __ctx = (unsigned int)(CTX); \
- unsigned char *insns = (unsigned char *)(CTX); \
- memcpy (__tramp, ffi_arm_trampoline, sizeof ffi_arm_trampoline); \
- *(unsigned int*) &__tramp[12] = __ctx; \
- *(unsigned int*) &__tramp[16] = __fun; \
- __clear_cache((&__tramp[0]), (&__tramp[19])); /* Clear data mapping. */ \
- __clear_cache(insns, insns + 3 * sizeof (unsigned int)); \
- /* Clear instruction \
- mapping. */ \
- })
+extern unsigned int ffi_arm_trampoline[2] FFI_HIDDEN;
#endif
/* the cif must already be prep'ed */
ffi_status
-ffi_prep_closure_loc (ffi_closure* closure,
- ffi_cif* cif,
- void (*fun)(ffi_cif*,void*,void**,void*),
- void *user_data,
- void *codeloc)
+ffi_prep_closure_loc (ffi_closure * closure,
+ ffi_cif * cif,
+ void (*fun) (ffi_cif *, void *, void **, void *),
+ void *user_data, void *codeloc)
{
- void (*closure_func)(ffi_closure*) = NULL;
+ void (*closure_func) (void) = ffi_closure_SYSV;
- if (cif->abi == FFI_SYSV)
- closure_func = &ffi_closure_SYSV;
-#ifdef __ARM_EABI__
- else if (cif->abi == FFI_VFP)
- closure_func = &ffi_closure_VFP;
-#endif
- else
+ if (cif->abi == FFI_VFP)
+ {
+ /* We only need take the vfp path if there are vfp arguments. */
+ if (cif->vfp_used)
+ closure_func = ffi_closure_VFP;
+ }
+ else if (cif->abi != FFI_SYSV)
return FFI_BAD_ABI;
#if FFI_EXEC_TRAMPOLINE_TABLE
- void **config = FFI_TRAMPOLINE_CODELOC_CONFIG(codeloc);
+ void **config = FFI_TRAMPOLINE_CODELOC_CONFIG (codeloc);
config[0] = closure;
config[1] = closure_func;
#else
- FFI_INIT_TRAMPOLINE (&closure->tramp[0], \
- closure_func, \
- codeloc);
+ memcpy (closure->tramp, ffi_arm_trampoline, 8);
+ __clear_cache(closure->tramp, closure->tramp + 8); /* clear data map */
+ __clear_cache(codeloc, codeloc + 8); /* clear insn map */
+ *(void (**)(void))(closure->tramp + 8) = closure_func;
#endif
- closure->cif = cif;
+ closure->cif = cif;
+ closure->fun = fun;
closure->user_data = user_data;
- closure->fun = fun;
+
+ return FFI_OK;
+}
+
+ffi_status
+ffi_prep_go_closure (ffi_go_closure *closure, ffi_cif *cif,
+ void (*fun) (ffi_cif *, void *, void **, void *))
+{
+ void (*closure_func) (void) = ffi_go_closure_SYSV;
+
+ if (cif->abi == FFI_VFP)
+ {
+ /* We only need take the vfp path if there are vfp arguments. */
+ if (cif->vfp_used)
+ closure_func = ffi_go_closure_VFP;
+ }
+ else if (cif->abi != FFI_SYSV)
+ return FFI_BAD_ABI;
+
+ closure->tramp = closure_func;
+ closure->cif = cif;
+ closure->fun = fun;
return FFI_OK;
}
/* Below are routines for VFP hard-float support. */
-static int rec_vfp_type_p (ffi_type *t, int *elt, int *elnum)
+/* A subroutine of vfp_type_p. Given a structure type, return the type code
+ of the first non-structure element. Recurse for structure elements.
+ Return -1 if the structure is in fact empty, i.e. no nested elements. */
+
+static int
+is_hfa0 (const ffi_type *ty)
{
- switch (t->type)
- {
- case FFI_TYPE_FLOAT:
- case FFI_TYPE_DOUBLE:
- *elt = (int) t->type;
- *elnum = 1;
- return 1;
+ ffi_type **elements = ty->elements;
+ int i, ret = -1;
- case FFI_TYPE_STRUCT_VFP_FLOAT:
- *elt = FFI_TYPE_FLOAT;
- *elnum = t->size / sizeof (float);
- return 1;
+ if (elements != NULL)
+ for (i = 0; elements[i]; ++i)
+ {
+ ret = elements[i]->type;
+ if (ret == FFI_TYPE_STRUCT || ret == FFI_TYPE_COMPLEX)
+ {
+ ret = is_hfa0 (elements[i]);
+ if (ret < 0)
+ continue;
+ }
+ break;
+ }
+
+ return ret;
+}
- case FFI_TYPE_STRUCT_VFP_DOUBLE:
- *elt = FFI_TYPE_DOUBLE;
- *elnum = t->size / sizeof (double);
- return 1;
+/* A subroutine of vfp_type_p. Given a structure type, return true if all
+ of the non-structure elements are the same as CANDIDATE. */
- case FFI_TYPE_STRUCT:;
+static int
+is_hfa1 (const ffi_type *ty, int candidate)
+{
+ ffi_type **elements = ty->elements;
+ int i;
+
+ if (elements != NULL)
+ for (i = 0; elements[i]; ++i)
{
- int base_elt = 0, total_elnum = 0;
- ffi_type **el = t->elements;
- while (*el)
- {
- int el_elt = 0, el_elnum = 0;
- if (! rec_vfp_type_p (*el, &el_elt, &el_elnum)
- || (base_elt && base_elt != el_elt)
- || total_elnum + el_elnum > 4)
- return 0;
- base_elt = el_elt;
- total_elnum += el_elnum;
- el++;
- }
- *elnum = total_elnum;
- *elt = base_elt;
- return 1;
+ int t = elements[i]->type;
+ if (t == FFI_TYPE_STRUCT || t == FFI_TYPE_COMPLEX)
+ {
+ if (!is_hfa1 (elements[i], candidate))
+ return 0;
+ }
+ else if (t != candidate)
+ return 0;
}
- default: ;
- }
- return 0;
+
+ return 1;
}
-static int vfp_type_p (ffi_type *t)
+/* Determine if TY is an homogenous floating point aggregate (HFA).
+ That is, a structure consisting of 1 to 4 members of all the same type,
+ where that type is a floating point scalar.
+
+ Returns non-zero iff TY is an HFA. The result is an encoded value where
+ bits 0-7 contain the type code, and bits 8-10 contain the element count. */
+
+static int
+vfp_type_p (const ffi_type *ty)
{
- int elt, elnum;
- if (rec_vfp_type_p (t, &elt, &elnum))
+ ffi_type **elements;
+ int candidate, i;
+ size_t size, ele_count;
+
+ /* Quickest tests first. */
+ candidate = ty->type;
+ switch (ty->type)
{
- if (t->type == FFI_TYPE_STRUCT)
- {
- if (elnum == 1)
- t->type = elt;
- else
- t->type = (elt == FFI_TYPE_FLOAT
- ? FFI_TYPE_STRUCT_VFP_FLOAT
- : FFI_TYPE_STRUCT_VFP_DOUBLE);
- }
- return (int) t->type;
+ default:
+ return 0;
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ ele_count = 1;
+ goto done;
+ case FFI_TYPE_COMPLEX:
+ candidate = ty->elements[0]->type;
+ if (candidate != FFI_TYPE_FLOAT && candidate != FFI_TYPE_DOUBLE)
+ return 0;
+ ele_count = 2;
+ goto done;
+ case FFI_TYPE_STRUCT:
+ break;
}
- return 0;
+
+ /* No HFA types are smaller than 4 bytes, or larger than 32 bytes. */
+ size = ty->size;
+ if (size < 4 || size > 32)
+ return 0;
+
+ /* Find the type of the first non-structure member. */
+ elements = ty->elements;
+ candidate = elements[0]->type;
+ if (candidate == FFI_TYPE_STRUCT || candidate == FFI_TYPE_COMPLEX)
+ {
+ for (i = 0; ; ++i)
+ {
+ candidate = is_hfa0 (elements[i]);
+ if (candidate >= 0)
+ break;
+ }
+ }
+
+ /* If the first member is not a floating point type, it's not an HFA.
+ Also quickly re-check the size of the structure. */
+ switch (candidate)
+ {
+ case FFI_TYPE_FLOAT:
+ ele_count = size / sizeof(float);
+ if (size != ele_count * sizeof(float))
+ return 0;
+ break;
+ case FFI_TYPE_DOUBLE:
+ ele_count = size / sizeof(double);
+ if (size != ele_count * sizeof(double))
+ return 0;
+ break;
+ default:
+ return 0;
+ }
+ if (ele_count > 4)
+ return 0;
+
+ /* Finally, make sure that all scalar elements are the same type. */
+ for (i = 0; elements[i]; ++i)
+ {
+ int t = elements[i]->type;
+ if (t == FFI_TYPE_STRUCT || t == FFI_TYPE_COMPLEX)
+ {
+ if (!is_hfa1 (elements[i], candidate))
+ return 0;
+ }
+ else if (t != candidate)
+ return 0;
+ }
+
+ /* All tests succeeded. Encode the result. */
+ done:
+ return (ele_count << 8) | candidate;
}
-static int place_vfp_arg (ffi_cif *cif, ffi_type *t)
+static int
+place_vfp_arg (ffi_cif *cif, int h)
{
- short reg = cif->vfp_reg_free;
- int nregs = t->size / sizeof (float);
- int align = ((t->type == FFI_TYPE_STRUCT_VFP_FLOAT
- || t->type == FFI_TYPE_FLOAT) ? 1 : 2);
+ unsigned short reg = cif->vfp_reg_free;
+ int align = 1, nregs = h >> 8;
+
+ if ((h & 0xff) == FFI_TYPE_DOUBLE)
+ align = 2, nregs *= 2;
+
/* Align register number. */
if ((reg & 1) && align == 2)
reg++;
+
while (reg + nregs <= 16)
{
int s, new_used = 0;
@@ -903,7 +1016,7 @@ static int place_vfp_arg (ffi_cif *cif, ffi_type *t)
cif->vfp_reg_free = reg;
}
return 0;
- next_reg: ;
+ next_reg:;
}
// done, mark all regs as used
cif->vfp_reg_free = 16;
@@ -911,21 +1024,20 @@ static int place_vfp_arg (ffi_cif *cif, ffi_type *t)
return 1;
}
-static void layout_vfp_args (ffi_cif *cif)
+static void
+layout_vfp_args (ffi_cif * cif)
{
int i;
/* Init VFP fields */
cif->vfp_used = 0;
cif->vfp_nargs = 0;
cif->vfp_reg_free = 0;
- memset (cif->vfp_args, -1, 16); /* Init to -1. */
+ memset (cif->vfp_args, -1, 16); /* Init to -1. */
for (i = 0; i < cif->nargs; i++)
{
- ffi_type *t = cif->arg_types[i];
- if (vfp_type_p (t) && place_vfp_arg (cif, t) == 1)
- {
- break;
- }
+ int h = vfp_type_p (cif->arg_types[i]);
+ if (h && place_vfp_arg (cif, h) == 1)
+ break;
}
}
diff --git a/src/arm/ffitarget.h b/src/arm/ffitarget.h
index 26d494d..4f473f9 100644
--- a/src/arm/ffitarget.h
+++ b/src/arm/ffitarget.h
@@ -53,19 +53,17 @@ typedef enum ffi_abi {
#define FFI_EXTRA_CIF_FIELDS \
int vfp_used; \
- short vfp_reg_free, vfp_nargs; \
+ unsigned short vfp_reg_free, vfp_nargs; \
signed char vfp_args[16] \
-/* Internally used. */
-#define FFI_TYPE_STRUCT_VFP_FLOAT (FFI_TYPE_LAST + 1)
-#define FFI_TYPE_STRUCT_VFP_DOUBLE (FFI_TYPE_LAST + 2)
-
#define FFI_TARGET_SPECIFIC_VARIADIC
+#define FFI_TARGET_HAS_COMPLEX_TYPE
/* ---- Definitions for closures ----------------------------------------- */
#define FFI_CLOSURES 1
-#define FFI_TRAMPOLINE_SIZE 20
+#define FFI_GO_CLOSURES 1
+#define FFI_TRAMPOLINE_SIZE 12
#define FFI_NATIVE_RAW_API 0
#endif
diff --git a/src/arm/gentramp.sh b/src/arm/gentramp.sh
deleted file mode 100755
index 05c43a3..0000000
--- a/src/arm/gentramp.sh
+++ /dev/null
@@ -1,118 +0,0 @@
-#!/bin/sh
-
-# -----------------------------------------------------------------------
-# gentramp.sh - Copyright (c) 2010, Plausible Labs Cooperative, Inc.
-#
-# ARM Trampoline Page Generator
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# ``Software''), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be included
-# in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-# DEALINGS IN THE SOFTWARE.
-# -----------------------------------------------------------------------
-
-PROGNAME=$0
-
-# Each trampoline is exactly 3 instructions, or 12 bytes. If any of these values change,
-# the entire arm trampoline implementation must be updated to match, too.
-
-# Size of an individual trampoline, in bytes
-TRAMPOLINE_SIZE=12
-
-# Page size, in bytes
-PAGE_SIZE=4096
-
-# Compute the size of the reachable config page; The first 16 bytes of the config page
-# are unreachable due to our maximum pc-relative ldr offset.
-PAGE_AVAIL=`expr $PAGE_SIZE - 16`
-
-# Compute the number of of available trampolines.
-TRAMPOLINE_COUNT=`expr $PAGE_AVAIL / $TRAMPOLINE_SIZE`
-
-header () {
- echo "# GENERATED CODE - DO NOT EDIT"
- echo "# This file was generated by $PROGNAME"
- echo ""
-
- # Write out the license header
-cat << EOF
-# Copyright (c) 2010, Plausible Labs Cooperative, Inc.
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# ``Software''), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be included
-# in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-# DEALINGS IN THE SOFTWARE.
-# -----------------------------------------------------------------------
-
-EOF
-
- # Write out the trampoline table, aligned to the page boundary
- echo ".text"
- echo ".align 12"
- echo ".globl _ffi_closure_trampoline_table_page"
- echo "_ffi_closure_trampoline_table_page:"
-}
-
-
-# WARNING - Don't modify the trampoline code size without also updating the relevant libffi code
-trampoline () {
- cat << END
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-END
-}
-
-main () {
- # Write out the header
- header
-
- # Write out the trampolines
- local i=0
- while [ $i -lt ${TRAMPOLINE_COUNT} ]; do
- trampoline
- local i=`expr $i + 1`
- done
-}
-
-main
diff --git a/src/arm/internal.h b/src/arm/internal.h
new file mode 100644
index 0000000..6cf0b2a
--- /dev/null
+++ b/src/arm/internal.h
@@ -0,0 +1,7 @@
+#define ARM_TYPE_VFP_S 0
+#define ARM_TYPE_VFP_D 1
+#define ARM_TYPE_VFP_N 2
+#define ARM_TYPE_INT64 3
+#define ARM_TYPE_INT 4
+#define ARM_TYPE_VOID 5
+#define ARM_TYPE_STRUCT 6
diff --git a/src/arm/sysv.S b/src/arm/sysv.S
index 541bbe9..fd16589 100644
--- a/src/arm/sysv.S
+++ b/src/arm/sysv.S
@@ -1,8 +1,8 @@
/* -----------------------------------------------------------------------
sysv.S - Copyright (c) 1998, 2008, 2011 Red Hat, Inc.
Copyright (c) 2011 Plausible Labs Cooperative, Inc.
-
- ARM Foreign Function Interface
+
+ ARM Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
@@ -28,463 +28,307 @@
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
-#ifdef HAVE_MACHINE_ASM_H
-#include <machine/asm.h>
-#else
-#ifdef __USER_LABEL_PREFIX__
-#define CONCAT1(a, b) CONCAT2(a, b)
-#define CONCAT2(a, b) a ## b
-
-/* Use the right prefix for global labels. */
-#define CNAME(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
-#else
-#define CNAME(x) x
-#endif
-#ifdef __APPLE__
-#define ENTRY(x) .globl _##x; _##x:
-#else
-#define ENTRY(x) .globl CNAME(x); .type CNAME(x),%function; CNAME(x):
-#endif /* __APPLE__ */
-#endif
-
-#ifdef __ELF__
-#define LSYM(x) .x
-#else
-#define LSYM(x) x
-#endif
-
-/* Use the SOFTFP return value ABI on Mac OS X, as per the iOS ABI
- Function Call Guide */
-#ifdef __APPLE__
-#define __SOFTFP__
-#endif
-
-/* We need a better way of testing for this, but for now, this is all
- we can do. */
-@ This selects the minimum architecture level required.
-#define __ARM_ARCH__ 3
-
-#if defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)
-# undef __ARM_ARCH__
-# define __ARM_ARCH__ 4
-#endif
-
-#if defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) \
- || defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) \
- || defined(__ARM_ARCH_5TEJ__)
-# undef __ARM_ARCH__
-# define __ARM_ARCH__ 5
-#endif
-
-#if defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
+#include <ffi_cfi.h>
+#include "internal.h"
+
+/* GCC 4.8 provides __ARM_ARCH; construct it otherwise. */
+#ifndef __ARM_ARCH
+# if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \
+ || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \
+ || defined(__ARM_ARCH_7EM__)
+# define __ARM_ARCH 7
+# elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
|| defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) \
|| defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) \
|| defined(__ARM_ARCH_6M__)
-# undef __ARM_ARCH__
-# define __ARM_ARCH__ 6
-#endif
-
-#if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \
- || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \
- || defined(__ARM_ARCH_7EM__)
-# undef __ARM_ARCH__
-# define __ARM_ARCH__ 7
-#endif
-
-#if __ARM_ARCH__ >= 5
-# define call_reg(x) blx x
-#elif defined (__ARM_ARCH_4T__)
-# define call_reg(x) mov lr, pc ; bx x
-# if defined(__thumb__) || defined(__THUMB_INTERWORK__)
-# define __INTERWORKING__
+# define __ARM_ARCH 6
+# elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) \
+ || defined(__ARM_ARCH_5E__) || defined(__ARM_ARCH_5TE__) \
+ || defined(__ARM_ARCH_5TEJ__)
+# define __ARM_ARCH 5
+# else
+# define __ARM_ARCH 4
# endif
-#else
-# define call_reg(x) mov lr, pc ; mov pc, x
#endif
/* Conditionally compile unwinder directives. */
+.macro UNWIND text:vararg
#ifdef __ARM_EABI__
-#define UNWIND
-#else
-#define UNWIND @
+ \text
#endif
-
-.syntax unified
-
-#if defined(__thumb__) && !defined(__THUMB_INTERWORK__)
-#define ARM_FUNC_START(name) \
- .text; \
- .align 2; \
- .thumb; \
- .thumb_func; \
- ENTRY(name); \
- bx pc; \
- nop; \
- .arm; \
- UNWIND .fnstart; \
-_L__##name:
-#else
-#define ARM_FUNC_START(name) \
- .text; \
- .align 2; \
- .arm; \
- ENTRY(name); \
- UNWIND .fnstart
+.endm
+#if defined(HAVE_AS_CFI_PSEUDO_OP) && defined(__ARM_EABI__)
+ .cfi_sections .debug_frame
#endif
-.macro RETLDM regs=, cond=, dirn=ia
-#if defined (__INTERWORKING__)
- .ifc "\regs",""
- ldr\cond lr, [sp], #4
- .else
- ldm\cond\dirn sp!, {\regs, lr}
- .endif
- bx\cond lr
+#define CONCAT(a, b) CONCAT2(a, b)
+#define CONCAT2(a, b) a ## b
+
+#ifdef __USER_LABEL_PREFIX__
+# define CNAME(X) CONCAT (__USER_LABEL_PREFIX__, X)
#else
- .ifc "\regs",""
- ldr\cond pc, [sp], #4
- .else
- ldm\cond\dirn sp!, {\regs, pc}
- .endif
+# define CNAME(X) X
#endif
-.endm
-
- @ r0: ffi_prep_args
- @ r1: &ecif
- @ r2: cif->bytes
- @ r3: fig->flags
- @ sp+0: ecif.rvalue
-
- @ This assumes we are using gas.
-ARM_FUNC_START(ffi_call_SYSV)
- @ Save registers
- stmfd sp!, {r0-r3, fp, lr}
- UNWIND .save {r0-r3, fp, lr}
- mov fp, sp
-
- UNWIND .setfp fp, sp
-
- @ Make room for all of the new args.
- sub sp, fp, r2
-
- @ Place all of the ffi_prep_args in position
- mov r0, sp
- @ r1 already set
-
- @ Call ffi_prep_args(stack, &ecif)
- bl CNAME(ffi_prep_args_SYSV)
-
- @ move first 4 parameters in registers
- ldmia sp, {r0-r3}
-
- @ and adjust stack
- sub lr, fp, sp @ cif->bytes == fp - sp
- ldr ip, [fp] @ load fn() in advance
- cmp lr, #16
- movhs lr, #16
- add sp, sp, lr
-
- @ call (fn) (...)
- call_reg(ip)
-
- @ Remove the space we pushed for the args
- mov sp, fp
-
- @ Load r2 with the pointer to storage for the return value
- ldr r2, [sp, #24]
-
- @ Load r3 with the return type code
- ldr r3, [sp, #12]
-
- @ If the return value pointer is NULL, assume no return value.
- cmp r2, #0
- beq LSYM(Lepilogue)
-
-@ return INT
- cmp r3, #FFI_TYPE_INT
-#if defined(__SOFTFP__) || defined(__ARM_EABI__)
- cmpne r3, #FFI_TYPE_FLOAT
+#ifdef __ELF__
+# define SIZE(X) .size CNAME(X), . - CNAME(X)
+# define TYPE(X, Y) .type CNAME(X), Y
+#else
+# define SIZE(X)
+# define TYPE(X, Y)
#endif
- streq r0, [r2]
- beq LSYM(Lepilogue)
- @ return INT64
- cmp r3, #FFI_TYPE_SINT64
-#if defined(__SOFTFP__) || defined(__ARM_EABI__)
- cmpne r3, #FFI_TYPE_DOUBLE
-#endif
- stmiaeq r2, {r0, r1}
+#define ARM_FUNC_START(name, gl) \
+ .align 3; \
+ .ifne gl; .globl CNAME(name); FFI_HIDDEN(CNAME(name)); .endif; \
+ TYPE(name, %function); \
+ CNAME(name):
-#if !defined(__SOFTFP__) && !defined(__ARM_EABI__)
- beq LSYM(Lepilogue)
+#define ARM_FUNC_END(name) \
+ SIZE(name)
-@ return FLOAT
- cmp r3, #FFI_TYPE_FLOAT
- stfeqs f0, [r2]
- beq LSYM(Lepilogue)
+/* Aid in defining a jump table with 8 bytes between entries. */
+.macro E index
+ .if . - 0b - 8*\index
+ .error "type table out of sync"
+ .endif
+.endm
-@ return DOUBLE or LONGDOUBLE
- cmp r3, #FFI_TYPE_DOUBLE
- stfeqd f0, [r2]
-#endif
+ .text
+ .syntax unified
+ .arm
+
+ /* We require interworking on LDM, which implies ARMv5T,
+ which implies the existance of BLX. */
+ .arch armv5t
+
+ /* Note that we use STC and LDC to encode VFP instructions,
+ so that we do not need ".fpu vfp", nor get that added to
+ the object file attributes. These will not be executed
+ unless the FFI_VFP abi is used. */
+
+ @ r0: stack
+ @ r1: frame
+ @ r2: fn
+ @ r3: vfp_used
+
+ARM_FUNC_START(ffi_call_VFP, 1)
+ UNWIND .fnstart
+ cfi_startproc
+
+ cmp r3, #3 @ load only d0 if possible
+ ldcle p11, cr0, [r0] @ vldrle d0, [sp]
+ ldcgt p11, cr0, [r0], {16} @ vldmgt sp, {d0-d7}
+ add r0, r0, #64 @ discard the vfp register args
+ /* FALLTHRU */
+ARM_FUNC_END(ffi_call_VFP)
+
+ARM_FUNC_START(ffi_call_SYSV, 1)
+ stm r1, {fp, lr}
+ mov fp, r1
+
+ @ This is a bit of a lie wrt the origin of the unwind info, but
+ @ now we've got the usual frame pointer and two saved registers.
+ UNWIND .save {fp,lr}
+ UNWIND .setfp fp, sp
+ cfi_def_cfa(fp, 8)
+ cfi_rel_offset(fp, 0)
+ cfi_rel_offset(lr, 4)
+
+ mov sp, r0 @ install the stack pointer
+ mov lr, r2 @ move the fn pointer out of the way
+ ldr ip, [fp, #16] @ install the static chain
+ ldmia sp!, {r0-r3} @ move first 4 parameters in registers.
+ blx lr @ call fn
-LSYM(Lepilogue):
-#if defined (__INTERWORKING__)
- ldmia sp!, {r0-r3,fp, lr}
- bx lr
-#else
- ldmia sp!, {r0-r3,fp, pc}
-#endif
+ @ Load r2 with the pointer to storage for the return value
+ @ Load r3 with the return type code
+ ldr r2, [fp, #8]
+ ldr r3, [fp, #12]
-.ffi_call_SYSV_end:
- UNWIND .fnend
-#ifdef __ELF__
- .size CNAME(ffi_call_SYSV),.ffi_call_SYSV_end-CNAME(ffi_call_SYSV)
-#endif
+ @ Deallocate the stack with the arguments.
+ mov sp, fp
+ cfi_def_cfa_register(sp)
+
+ @ Store values stored in registers.
+ .align 3
+ add pc, pc, r3, lsl #3
+ nop
+0:
+E ARM_TYPE_VFP_S
+ stc p10, cr0, [r2] @ vstr s0, [r2]
+ pop {fp,pc}
+E ARM_TYPE_VFP_D
+ stc p11, cr0, [r2] @ vstr d0, [r2]
+ pop {fp,pc}
+E ARM_TYPE_VFP_N
+ stc p11, cr0, [r2], {8} @ vstm r2, {d0-d3}
+ pop {fp,pc}
+E ARM_TYPE_INT64
+ str r1, [r2, #4]
+ nop
+E ARM_TYPE_INT
+ str r0, [r2]
+ pop {fp,pc}
+E ARM_TYPE_VOID
+ pop {fp,pc}
+ nop
+E ARM_TYPE_STRUCT
+ pop {fp,pc}
+
+ cfi_endproc
+ UNWIND .fnend
+ARM_FUNC_END(ffi_call_SYSV)
/*
- unsigned int FFI_HIDDEN
- ffi_closure_inner (closure, respp, args)
- ffi_closure *closure;
- void **respp;
- void *args;
+ int ffi_closure_inner_* (cif, fun, user_data, frame)
*/
-ARM_FUNC_START(ffi_closure_SYSV)
- UNWIND .pad #16
+ARM_FUNC_START(ffi_go_closure_SYSV, 1)
+ cfi_startproc
+ stmdb sp!, {r0-r3} @ save argument regs
+ cfi_adjust_cfa_offset(16)
+ ldr r0, [ip, #4] @ load cif
+ ldr r1, [ip, #8] @ load fun
+ mov r2, ip @ load user_data
+ b 0f
+ cfi_endproc
+ARM_FUNC_END(ffi_go_closure_SYSV)
+
+ARM_FUNC_START(ffi_closure_SYSV, 1)
+ UNWIND .fnstart
+ cfi_startproc
+ stmdb sp!, {r0-r3} @ save argument regs
+ cfi_adjust_cfa_offset(16)
+ ldr r0, [ip, #FFI_TRAMPOLINE_SIZE] @ load cif
+ ldr r1, [ip, #FFI_TRAMPOLINE_SIZE+4] @ load fun
+ ldr r2, [ip, #FFI_TRAMPOLINE_SIZE+8] @ load user_data
+0:
+ add ip, sp, #16 @ compute entry sp
+ sub sp, sp, #64+32 @ allocate frame
+ cfi_adjust_cfa_offset(64+32)
+ stmdb sp!, {ip,lr}
+
+ /* Remember that EABI unwind info only applies at call sites.
+ We need do nothing except note the save of the stack pointer
+ and the link registers. */
+ UNWIND .save {sp,lr}
+ cfi_adjust_cfa_offset(8)
+ cfi_rel_offset(lr, 4)
+
+ add r3, sp, #8 @ load frame
+ bl CNAME(ffi_closure_inner_SYSV)
+
+ @ Load values returned in registers.
+ add r2, sp, #8+64 @ load result
+ adr r3, CNAME(ffi_closure_ret)
+ add pc, r3, r0, lsl #3
+ cfi_endproc
+ UNWIND .fnend
+ARM_FUNC_END(ffi_closure_SYSV)
+
+ARM_FUNC_START(ffi_go_closure_VFP, 1)
+ cfi_startproc
+ stmdb sp!, {r0-r3} @ save argument regs
+ cfi_adjust_cfa_offset(16)
+ ldr r0, [ip, #4] @ load cif
+ ldr r1, [ip, #8] @ load fun
+ mov r2, ip @ load user_data
+ b 0f
+ cfi_endproc
+ARM_FUNC_END(ffi_go_closure_VFP)
+
+ARM_FUNC_START(ffi_closure_VFP, 1)
+ UNWIND .fnstart
+ cfi_startproc
+ stmdb sp!, {r0-r3} @ save argument regs
+ cfi_adjust_cfa_offset(16)
+ ldr r0, [ip, #FFI_TRAMPOLINE_SIZE] @ load cif
+ ldr r1, [ip, #FFI_TRAMPOLINE_SIZE+4] @ load fun
+ ldr r2, [ip, #FFI_TRAMPOLINE_SIZE+8] @ load user_data
+0:
add ip, sp, #16
- stmfd sp!, {ip, lr}
- UNWIND .save {r0, lr}
- add r2, sp, #8
- UNWIND .pad #16
- sub sp, sp, #16
- str sp, [sp, #8]
- add r1, sp, #8
- bl CNAME(ffi_closure_inner)
- cmp r0, #FFI_TYPE_INT
- beq .Lretint
-
- cmp r0, #FFI_TYPE_FLOAT
-#if defined(__SOFTFP__) || defined(__ARM_EABI__)
- beq .Lretint
-#else
- beq .Lretfloat
-#endif
+ sub sp, sp, #64+32 @ allocate frame
+ cfi_adjust_cfa_offset(64+32)
+ stc p11, cr0, [sp], {16} @ vstm sp, {d0-d7}
+ stmdb sp!, {ip,lr}
+
+ /* See above. */
+ UNWIND .save {sp,lr}
+ cfi_adjust_cfa_offset(8)
+ cfi_rel_offset(lr, 4)
+
+ add r3, sp, #8 @ load frame
+ bl CNAME(ffi_closure_inner_VFP)
+
+ @ Load values returned in registers.
+ add r2, sp, #8+64 @ load result
+ adr r3, CNAME(ffi_closure_ret)
+ add pc, r3, r0, lsl #3
+ cfi_endproc
+ UNWIND .fnend
+ARM_FUNC_END(ffi_closure_VFP)
+
+/* Load values returned in registers for both closure entry points.
+ Note that we use LDM with SP in the register set. This is deprecated
+ by ARM, but not yet unpredictable. */
+
+ARM_FUNC_START(ffi_closure_ret, 0)
+ cfi_startproc
+ cfi_rel_offset(sp, 0)
+ cfi_rel_offset(lr, 4)
+0:
+E ARM_TYPE_VFP_S
+ ldc p10, cr0, [r2] @ vldr s0, [r2]
+ ldm sp, {sp,pc}
+E ARM_TYPE_VFP_D
+ ldc p11, cr0, [r2] @ vldr d0, [r2]
+ ldm sp, {sp,pc}
+E ARM_TYPE_VFP_N
+ ldc p11, cr0, [r2], {8} @ vldm r2, {d0-d3}
+ ldm sp, {sp,pc}
+E ARM_TYPE_INT64
+ ldr r1, [r2, #4]
+ nop
+E ARM_TYPE_INT
+ ldr r0, [r2]
+ ldm sp, {sp,pc}
+E ARM_TYPE_VOID
+ ldm sp, {sp,pc}
+ nop
+E ARM_TYPE_STRUCT
+ ldm sp, {sp,pc}
+ cfi_endproc
+ARM_FUNC_END(ffi_closure_ret)
+
+#if FFI_EXEC_TRAMPOLINE_TABLE
+
+/* ??? The iOS support should be updated. The first insn used to
+ be STMFD, but that's been moved into ffi_closure_SYSV. If the
+ writable page is put after this one we can make use of the
+ pc+8 feature of the architecture. We can also reduce the size
+ of the thunk to 8 and pack more of these into the page.
+
+ In the meantime, simply replace the STMFD with a NOP so as to
+ keep all the magic numbers the same within ffi.c. */
+
+ .align 12
+ARM_FUNC_START(ffi_closure_trampoline_table_page)
+.rept 4096 / 12
+ nop
+ ldr ip, [pc, #-4092]
+ ldr pc, [pc, #-4092]
+.endr
- cmp r0, #FFI_TYPE_DOUBLE
-#if defined(__SOFTFP__) || defined(__ARM_EABI__)
- beq .Lretlonglong
#else
- beq .Lretdouble
-#endif
-
- cmp r0, #FFI_TYPE_LONGDOUBLE
-#if defined(__SOFTFP__) || defined(__ARM_EABI__)
- beq .Lretlonglong
-#else
- beq .Lretlongdouble
-#endif
-
- cmp r0, #FFI_TYPE_SINT64
- beq .Lretlonglong
-.Lclosure_epilogue:
- add sp, sp, #16
- ldmfd sp, {sp, pc}
-.Lretint:
- ldr r0, [sp]
- b .Lclosure_epilogue
-.Lretlonglong:
- ldr r0, [sp]
- ldr r1, [sp, #4]
- b .Lclosure_epilogue
-
-#if !defined(__SOFTFP__) && !defined(__ARM_EABI__)
-.Lretfloat:
- ldfs f0, [sp]
- b .Lclosure_epilogue
-.Lretdouble:
- ldfd f0, [sp]
- b .Lclosure_epilogue
-.Lretlongdouble:
- ldfd f0, [sp]
- b .Lclosure_epilogue
-#endif
-
-.ffi_closure_SYSV_end:
- UNWIND .fnend
-#ifdef __ELF__
- .size CNAME(ffi_closure_SYSV),.ffi_closure_SYSV_end-CNAME(ffi_closure_SYSV)
-#endif
-
-/* Below are VFP hard-float ABI call and closure implementations.
- Add VFP FPU directive here. This is only compiled into the library
- under EABI. */
-#ifdef __ARM_EABI__
- .fpu vfp
-
- @ r0: fn
- @ r1: &ecif
- @ r2: cif->bytes
- @ r3: fig->flags
- @ sp+0: ecif.rvalue
-
-ARM_FUNC_START(ffi_call_VFP)
- @ Save registers
- stmfd sp!, {r0-r3, fp, lr}
- UNWIND .save {r0-r3, fp, lr}
- mov fp, sp
- UNWIND .setfp fp, sp
-
- @ Make room for all of the new args.
- sub sp, sp, r2
-
- @ Make room for loading VFP args
- sub sp, sp, #64
-
- @ Place all of the ffi_prep_args in position
- mov r0, sp
- @ r1 already set
- sub r2, fp, #64 @ VFP scratch space
-
- @ Call ffi_prep_args(stack, &ecif, vfp_space)
- bl CNAME(ffi_prep_args_VFP)
-
- @ Load VFP register args if needed
- cmp r0, #0
- mov ip, fp
- beq LSYM(Lbase_args)
-
- @ Load only d0 if possible
- cmp r0, #3
- sub ip, fp, #64
- flddle d0, [ip]
- fldmiadgt ip, {d0-d7}
-
-LSYM(Lbase_args):
- @ move first 4 parameters in registers
- ldmia sp, {r0-r3}
-
- @ and adjust stack
- sub lr, ip, sp @ cif->bytes == (fp - 64) - sp
- ldr ip, [fp] @ load fn() in advance
- cmp lr, #16
- movhs lr, #16
- add sp, sp, lr
-
- @ call (fn) (...)
- call_reg(ip)
-
- @ Remove the space we pushed for the args
- mov sp, fp
-
- @ Load r2 with the pointer to storage for
- @ the return value
- ldr r2, [sp, #24]
-
- @ Load r3 with the return type code
- ldr r3, [sp, #12]
-
- @ If the return value pointer is NULL,
- @ assume no return value.
- cmp r2, #0
- beq LSYM(Lepilogue_vfp)
-
- cmp r3, #FFI_TYPE_INT
- streq r0, [r2]
- beq LSYM(Lepilogue_vfp)
-
- cmp r3, #FFI_TYPE_SINT64
- stmeqia r2, {r0, r1}
- beq LSYM(Lepilogue_vfp)
-
- cmp r3, #FFI_TYPE_FLOAT
- fstseq s0, [r2]
- beq LSYM(Lepilogue_vfp)
-
- cmp r3, #FFI_TYPE_DOUBLE
- fstdeq d0, [r2]
- beq LSYM(Lepilogue_vfp)
-
- cmp r3, #FFI_TYPE_STRUCT_VFP_FLOAT
- cmpne r3, #FFI_TYPE_STRUCT_VFP_DOUBLE
- fstmiadeq r2, {d0-d3}
-
-LSYM(Lepilogue_vfp):
- RETLDM "r0-r3,fp"
-
-.ffi_call_VFP_end:
- UNWIND .fnend
- .size CNAME(ffi_call_VFP),.ffi_call_VFP_end-CNAME(ffi_call_VFP)
-
-
-ARM_FUNC_START(ffi_closure_VFP)
- fstmfdd sp!, {d0-d7}
- @ r0-r3, then d0-d7
- UNWIND .pad #80
- add ip, sp, #80
- stmfd sp!, {ip, lr}
- UNWIND .save {r0, lr}
- add r2, sp, #72
- add r3, sp, #8
- UNWIND .pad #72
- sub sp, sp, #72
- str sp, [sp, #64]
- add r1, sp, #64
- bl CNAME(ffi_closure_inner)
-
- cmp r0, #FFI_TYPE_INT
- beq .Lretint_vfp
-
- cmp r0, #FFI_TYPE_FLOAT
- beq .Lretfloat_vfp
-
- cmp r0, #FFI_TYPE_DOUBLE
- cmpne r0, #FFI_TYPE_LONGDOUBLE
- beq .Lretdouble_vfp
-
- cmp r0, #FFI_TYPE_SINT64
- beq .Lretlonglong_vfp
-
- cmp r0, #FFI_TYPE_STRUCT_VFP_FLOAT
- beq .Lretfloat_struct_vfp
-
- cmp r0, #FFI_TYPE_STRUCT_VFP_DOUBLE
- beq .Lretdouble_struct_vfp
-
-.Lclosure_epilogue_vfp:
- add sp, sp, #72
- ldmfd sp, {sp, pc}
-
-.Lretfloat_vfp:
- flds s0, [sp]
- b .Lclosure_epilogue_vfp
-.Lretdouble_vfp:
- fldd d0, [sp]
- b .Lclosure_epilogue_vfp
-.Lretint_vfp:
- ldr r0, [sp]
- b .Lclosure_epilogue_vfp
-.Lretlonglong_vfp:
- ldmia sp, {r0, r1}
- b .Lclosure_epilogue_vfp
-.Lretfloat_struct_vfp:
- fldmiad sp, {d0-d1}
- b .Lclosure_epilogue_vfp
-.Lretdouble_struct_vfp:
- fldmiad sp, {d0-d3}
- b .Lclosure_epilogue_vfp
-
-.ffi_closure_VFP_end:
- UNWIND .fnend
- .size CNAME(ffi_closure_VFP),.ffi_closure_VFP_end-CNAME(ffi_closure_VFP)
-#endif
+ARM_FUNC_START(ffi_arm_trampoline, 1)
+0: adr ip, 0b
+ ldr pc, 1f
+1: .long 0
+ARM_FUNC_END(ffi_arm_trampoline)
-ENTRY(ffi_arm_trampoline)
- stmfd sp!, {r0-r3}
- ldr r0, [pc]
- ldr pc, [pc]
+#endif /* FFI_EXEC_TRAMPOLINE_TABLE */
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",%progbits
diff --git a/src/arm/trampoline.S b/src/arm/trampoline.S
deleted file mode 100644
index 935e8de..0000000
--- a/src/arm/trampoline.S
+++ /dev/null
@@ -1,4450 +0,0 @@
-# GENERATED CODE - DO NOT EDIT
-# This file was generated by src/arm/gentramp.sh
-
-# Copyright (c) 2010, Plausible Labs Cooperative, Inc.
-#
-# Permission is hereby granted, free of charge, to any person obtaining
-# a copy of this software and associated documentation files (the
-# Software''), to deal in the Software without restriction, including
-# without limitation the rights to use, copy, modify, merge, publish,
-# distribute, sublicense, and/or sell copies of the Software, and to
-# permit persons to whom the Software is furnished to do so, subject to
-# the following conditions:
-#
-# The above copyright notice and this permission notice shall be included
-# in all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED AS IS'', WITHOUT WARRANTY OF ANY KIND,
-# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
-# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
-# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-# DEALINGS IN THE SOFTWARE.
-# -----------------------------------------------------------------------
-
-.text
-.align 12
-.globl _ffi_closure_trampoline_table_page
-_ffi_closure_trampoline_table_page:
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
-
- // trampoline
- // Save to stack
- stmfd sp!, {r0-r3}
-
- // Load the context argument from the config page.
- // This places the first usable config value at _ffi_closure_trampoline_table-4080
- // This accounts for the above 4-byte stmfd instruction, plus 8 bytes constant when loading from pc.
- ldr r0, [pc, #-4092]
-
- // Load the jump address from the config page.
- ldr pc, [pc, #-4092]
-
diff --git a/src/prep_cif.c b/src/prep_cif.c
index be5eae3..5881ceb 100644
--- a/src/prep_cif.c
+++ b/src/prep_cif.c
@@ -147,9 +147,6 @@ ffi_status FFI_HIDDEN ffi_prep_cif_core(ffi_cif *cif, ffi_abi abi,
#if !defined FFI_TARGET_SPECIFIC_STACK_SPACE_ALLOCATION
/* Make space for the return structure pointer */
if (cif->rtype->type == FFI_TYPE_STRUCT
-#ifdef SPARC
- && (cif->abi != FFI_V9 || cif->rtype->size > 32)
-#endif
#ifdef TILE
&& (cif->rtype->size > 10 * FFI_SIZEOF_ARG)
#endif
@@ -179,14 +176,6 @@ ffi_status FFI_HIDDEN ffi_prep_cif_core(ffi_cif *cif, ffi_abi abi,
FFI_ASSERT_VALID_TYPE(*ptr);
#if !defined FFI_TARGET_SPECIFIC_STACK_SPACE_ALLOCATION
-#ifdef SPARC
- if (((*ptr)->type == FFI_TYPE_STRUCT
- && ((*ptr)->size > 16 || cif->abi != FFI_V9))
- || ((*ptr)->type == FFI_TYPE_LONGDOUBLE
- && cif->abi != FFI_V9))
- bytes += sizeof(void*);
- else
-#endif
{
/* Add any padding if necessary */
if (((*ptr)->alignment - 1) & bytes)
diff --git a/src/sparc/ffi.c b/src/sparc/ffi.c
index 9f0fded..d5212d8 100644
--- a/src/sparc/ffi.c
+++ b/src/sparc/ffi.c
@@ -27,655 +27,442 @@
#include <ffi.h>
#include <ffi_common.h>
-
#include <stdlib.h>
+#include "internal.h"
+#ifndef SPARC64
-/* ffi_prep_args is called by the assembly routine once stack space
- has been allocated for the function's arguments */
-
-void ffi_prep_args_v8(char *stack, extended_cif *ecif)
-{
- int i;
- void **p_argv;
- char *argp;
- ffi_type **p_arg;
-
- /* Skip 16 words for the window save area */
- argp = stack + 16*sizeof(int);
-
- /* This should only really be done when we are returning a structure,
- however, it's faster just to do it all the time...
-
- if ( ecif->cif->rtype->type == FFI_TYPE_STRUCT ) */
- *(int *) argp = (long)ecif->rvalue;
-
- /* And 1 word for the structure return value. */
- argp += sizeof(int);
-
-#ifdef USING_PURIFY
- /* Purify will probably complain in our assembly routine, unless we
- zero out this memory. */
-
- ((int*)argp)[0] = 0;
- ((int*)argp)[1] = 0;
- ((int*)argp)[2] = 0;
- ((int*)argp)[3] = 0;
- ((int*)argp)[4] = 0;
- ((int*)argp)[5] = 0;
-#endif
-
- p_argv = ecif->avalue;
-
- for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; i; i--, p_arg++)
- {
- size_t z;
-
- if ((*p_arg)->type == FFI_TYPE_STRUCT
-#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
- || (*p_arg)->type == FFI_TYPE_LONGDOUBLE
-#endif
- )
- {
- *(unsigned int *) argp = (unsigned long)(* p_argv);
- z = sizeof(int);
- }
- else
- {
- z = (*p_arg)->size;
- if (z < sizeof(int))
- {
- z = sizeof(int);
- switch ((*p_arg)->type)
- {
- case FFI_TYPE_SINT8:
- *(signed int *) argp = *(SINT8 *)(* p_argv);
- break;
-
- case FFI_TYPE_UINT8:
- *(unsigned int *) argp = *(UINT8 *)(* p_argv);
- break;
-
- case FFI_TYPE_SINT16:
- *(signed int *) argp = *(SINT16 *)(* p_argv);
- break;
-
- case FFI_TYPE_UINT16:
- *(unsigned int *) argp = *(UINT16 *)(* p_argv);
- break;
-
- default:
- FFI_ASSERT(0);
- }
- }
- else
- {
- memcpy(argp, *p_argv, z);
- }
- }
- p_argv++;
- argp += z;
- }
-
- return;
-}
-
-int ffi_prep_args_v9(char *stack, extended_cif *ecif)
-{
- int i, ret = 0;
- int tmp;
- void **p_argv;
- char *argp;
- ffi_type **p_arg;
-
- tmp = 0;
-
- /* Skip 16 words for the window save area */
- argp = stack + 16*sizeof(long long);
-
-#ifdef USING_PURIFY
- /* Purify will probably complain in our assembly routine, unless we
- zero out this memory. */
-
- ((long long*)argp)[0] = 0;
- ((long long*)argp)[1] = 0;
- ((long long*)argp)[2] = 0;
- ((long long*)argp)[3] = 0;
- ((long long*)argp)[4] = 0;
- ((long long*)argp)[5] = 0;
-#endif
-
- p_argv = ecif->avalue;
-
- if (ecif->cif->rtype->type == FFI_TYPE_STRUCT &&
- ecif->cif->rtype->size > 32)
- {
- *(unsigned long long *) argp = (unsigned long)ecif->rvalue;
- argp += sizeof(long long);
- tmp = 1;
- }
-
- for (i = 0, p_arg = ecif->cif->arg_types; i < ecif->cif->nargs;
- i++, p_arg++)
- {
- size_t z;
-
- z = (*p_arg)->size;
- switch ((*p_arg)->type)
- {
- case FFI_TYPE_STRUCT:
- if (z > 16)
- {
- /* For structures larger than 16 bytes we pass reference. */
- *(unsigned long long *) argp = (unsigned long)* p_argv;
- argp += sizeof(long long);
- tmp++;
- p_argv++;
- continue;
- }
- /* FALLTHROUGH */
- case FFI_TYPE_FLOAT:
- case FFI_TYPE_DOUBLE:
+/* Force FFI_TYPE_LONGDOUBLE to be different than FFI_TYPE_DOUBLE;
+ all further uses in this file will refer to the 128-bit type. */
#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
- case FFI_TYPE_LONGDOUBLE:
+# if FFI_TYPE_LONGDOUBLE != 4
+# error FFI_TYPE_LONGDOUBLE out of date
+# endif
+#else
+# undef FFI_TYPE_LONGDOUBLE
+# define FFI_TYPE_LONGDOUBLE 4
#endif
- ret = 1; /* We should promote into FP regs as well as integer. */
- break;
- }
- if (z < sizeof(long long))
- {
- switch ((*p_arg)->type)
- {
- case FFI_TYPE_SINT8:
- *(signed long long *) argp = *(SINT8 *)(* p_argv);
- break;
-
- case FFI_TYPE_UINT8:
- *(unsigned long long *) argp = *(UINT8 *)(* p_argv);
- break;
-
- case FFI_TYPE_SINT16:
- *(signed long long *) argp = *(SINT16 *)(* p_argv);
- break;
-
- case FFI_TYPE_UINT16:
- *(unsigned long long *) argp = *(UINT16 *)(* p_argv);
- break;
-
- case FFI_TYPE_SINT32:
- *(signed long long *) argp = *(SINT32 *)(* p_argv);
- break;
-
- case FFI_TYPE_UINT32:
- *(unsigned long long *) argp = *(UINT32 *)(* p_argv);
- break;
-
- case FFI_TYPE_FLOAT:
- *(float *) (argp + 4) = *(FLOAT32 *)(* p_argv); /* Right justify */
- break;
-
- case FFI_TYPE_STRUCT:
- memcpy(argp, *p_argv, z);
- break;
-
- default:
- FFI_ASSERT(0);
- }
- z = sizeof(long long);
- tmp++;
- }
- else if (z == sizeof(long long))
- {
- memcpy(argp, *p_argv, z);
- z = sizeof(long long);
- tmp++;
- }
- else
- {
- if ((tmp & 1) && (*p_arg)->alignment > 8)
- {
- tmp++;
- argp += sizeof(long long);
- }
- memcpy(argp, *p_argv, z);
- z = 2 * sizeof(long long);
- tmp += 2;
- }
- p_argv++;
- argp += z;
- }
-
- return ret;
-}
/* Perform machine dependent cif processing */
-ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
+ffi_status FFI_HIDDEN
+ffi_prep_cif_machdep(ffi_cif *cif)
{
- int wordsize;
-
- if (cif->abi != FFI_V9)
- {
- wordsize = 4;
-
- /* If we are returning a struct, this will already have been added.
- Otherwise we need to add it because it's always got to be there! */
-
- if (cif->rtype->type != FFI_TYPE_STRUCT)
- cif->bytes += wordsize;
-
- /* sparc call frames require that space is allocated for 6 args,
- even if they aren't used. Make that space if necessary. */
-
- if (cif->bytes < 4*6+4)
- cif->bytes = 4*6+4;
- }
- else
- {
- wordsize = 8;
-
- /* sparc call frames require that space is allocated for 6 args,
- even if they aren't used. Make that space if necessary. */
-
- if (cif->bytes < 8*6)
- cif->bytes = 8*6;
- }
-
- /* Adjust cif->bytes. to include 16 words for the window save area,
- and maybe the struct/union return pointer area, */
-
- cif->bytes += 16 * wordsize;
-
- /* The stack must be 2 word aligned, so round bytes up
- appropriately. */
-
- cif->bytes = ALIGN(cif->bytes, 2 * wordsize);
+ ffi_type *rtype = cif->rtype;
+ int rtt = rtype->type;
+ size_t bytes;
+ int i, n, flags;
/* Set the return type flag */
- switch (cif->rtype->type)
+ switch (rtt)
{
case FFI_TYPE_VOID:
+ flags = SPARC_RET_VOID;
+ break;
case FFI_TYPE_FLOAT:
+ flags = SPARC_RET_F_1;
+ break;
case FFI_TYPE_DOUBLE:
-#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
- case FFI_TYPE_LONGDOUBLE:
-#endif
- cif->flags = cif->rtype->type;
+ flags = SPARC_RET_F_2;
break;
-
+ case FFI_TYPE_LONGDOUBLE:
case FFI_TYPE_STRUCT:
- if (cif->abi == FFI_V9 && cif->rtype->size > 32)
- cif->flags = FFI_TYPE_VOID;
- else
- cif->flags = FFI_TYPE_STRUCT;
+ flags = (rtype->size & 0xfff) << SPARC_SIZEMASK_SHIFT;
+ flags |= SPARC_RET_STRUCT;
break;
-
case FFI_TYPE_SINT8:
+ flags = SPARC_RET_SINT8;
+ break;
case FFI_TYPE_UINT8:
+ flags = SPARC_RET_UINT8;
+ break;
case FFI_TYPE_SINT16:
+ flags = SPARC_RET_SINT16;
+ break;
case FFI_TYPE_UINT16:
- if (cif->abi == FFI_V9)
- cif->flags = FFI_TYPE_INT;
- else
- cif->flags = cif->rtype->type;
+ flags = SPARC_RET_UINT16;
+ break;
+ case FFI_TYPE_INT:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_POINTER:
+ flags = SPARC_RET_UINT32;
break;
-
case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
- if (cif->abi == FFI_V9)
- cif->flags = FFI_TYPE_INT;
- else
- cif->flags = FFI_TYPE_SINT64;
+ flags = SPARC_RET_INT64;
break;
-
- default:
- cif->flags = FFI_TYPE_INT;
+ case FFI_TYPE_COMPLEX:
+ rtt = rtype->elements[0]->type;
+ switch (rtt)
+ {
+ case FFI_TYPE_FLOAT:
+ flags = SPARC_RET_F_2;
+ break;
+ case FFI_TYPE_DOUBLE:
+ flags = SPARC_RET_F_4;
+ break;
+ case FFI_TYPE_LONGDOUBLE:
+ flags = SPARC_RET_F_8;
+ break;
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_UINT64:
+ flags = SPARC_RET_INT128;
+ break;
+ case FFI_TYPE_INT:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_UINT32:
+ flags = SPARC_RET_INT64;
+ break;
+ case FFI_TYPE_SINT16:
+ case FFI_TYPE_UINT16:
+ flags = SP_V8_RET_CPLX16;
+ break;
+ case FFI_TYPE_SINT8:
+ case FFI_TYPE_UINT8:
+ flags = SP_V8_RET_CPLX8;
+ break;
+ default:
+ abort();
+ }
break;
+ default:
+ abort();
}
- return FFI_OK;
-}
-
-int ffi_v9_layout_struct(ffi_type *arg, int off, char *ret, char *intg, char *flt)
-{
- ffi_type **ptr = &arg->elements[0];
+ cif->flags = flags;
- while (*ptr != NULL)
+ bytes = 0;
+ for (i = 0, n = cif->nargs; i < n; ++i)
{
- if (off & ((*ptr)->alignment - 1))
- off = ALIGN(off, (*ptr)->alignment);
+ ffi_type *ty = cif->arg_types[i];
+ size_t z = ty->size;
+ int tt = ty->type;
- switch ((*ptr)->type)
+ switch (tt)
{
case FFI_TYPE_STRUCT:
- off = ffi_v9_layout_struct(*ptr, off, ret, intg, flt);
- off = ALIGN(off, FFI_SIZEOF_ARG);
- break;
- case FFI_TYPE_FLOAT:
- case FFI_TYPE_DOUBLE:
-#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
case FFI_TYPE_LONGDOUBLE:
-#endif
- memmove(ret + off, flt + off, (*ptr)->size);
- off += (*ptr)->size;
+ by_reference:
+ /* Passed by reference. */
+ z = 4;
break;
+
+ case FFI_TYPE_COMPLEX:
+ tt = ty->elements[0]->type;
+ if (tt == FFI_TYPE_FLOAT || z > 8)
+ goto by_reference;
+ /* FALLTHRU */
+
default:
- memmove(ret + off, intg + off, (*ptr)->size);
- off += (*ptr)->size;
- break;
+ z = ALIGN(z, 4);
}
- ptr++;
+ bytes += z;
}
- return off;
-}
+ /* Sparc call frames require that space is allocated for 6 args,
+ even if they aren't used. Make that space if necessary. */
+ if (bytes < 6 * 4)
+ bytes = 6 * 4;
-#ifdef SPARC64
-extern int ffi_call_v9(void *, extended_cif *, unsigned,
- unsigned, unsigned *, void (*fn)(void));
-#else
-extern int ffi_call_v8(void *, extended_cif *, unsigned,
- unsigned, unsigned *, void (*fn)(void));
-#endif
+ /* The ABI always requires space for the struct return pointer. */
+ bytes += 4;
-#ifndef __GNUC__
-void ffi_flush_icache (void *, size_t);
-#endif
+ /* The stack must be 2 word aligned, so round bytes up appropriately. */
+ bytes = ALIGN(bytes, 2 * 4);
-void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
-{
- extended_cif ecif;
- void *rval = rvalue;
+ /* Include the call frame to prep_args. */
+ bytes += 4*16 + 4*8;
+ cif->bytes = bytes;
- ecif.cif = cif;
- ecif.avalue = avalue;
+ return FFI_OK;
+}
+
+extern void ffi_call_v8(ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, size_t bytes, void *closure) FFI_HIDDEN;
- /* If the return value is a struct and we don't have a return */
- /* value address then we need to make one */
+int FFI_HIDDEN
+ffi_prep_args_v8(ffi_cif *cif, unsigned long *argp, void *rvalue, void **avalue)
+{
+ ffi_type **p_arg;
+ int flags = cif->flags;
+ int i, nargs;
- ecif.rvalue = rvalue;
- if (cif->rtype->type == FFI_TYPE_STRUCT)
+ if (rvalue == NULL)
{
- if (cif->rtype->size <= 32)
- rval = alloca(64);
+ if ((flags & SPARC_FLAG_RET_MASK) == SPARC_RET_STRUCT)
+ {
+ /* Since we pass the pointer to the callee, we need a value.
+ We allowed for this space in ffi_call, before ffi_call_v8
+ alloca'd the space. */
+ rvalue = (char *)argp + cif->bytes;
+ }
else
{
- rval = NULL;
- if (rvalue == NULL)
- ecif.rvalue = alloca(cif->rtype->size);
+ /* Otherwise, we can ignore the return value. */
+ flags = SPARC_RET_VOID;
}
}
- switch (cif->abi)
- {
- case FFI_V8:
-#ifdef SPARC64
- /* We don't yet support calling 32bit code from 64bit */
- FFI_ASSERT(0);
-#else
- if (rvalue && (cif->rtype->type == FFI_TYPE_STRUCT
-#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
- || cif->flags == FFI_TYPE_LONGDOUBLE
+ /* This could only really be done when we are returning a structure.
+ However, the space is reserved so we can do it unconditionally. */
+ *argp++ = (unsigned long)rvalue;
+
+#ifdef USING_PURIFY
+ /* Purify will probably complain in our assembly routine,
+ unless we zero out this memory. */
+ memset(argp, 0, 6*4);
#endif
- ))
+
+ p_arg = cif->arg_types;
+ for (i = 0, nargs = cif->nargs; i < nargs; i++)
+ {
+ ffi_type *ty = p_arg[i];
+ void *a = avalue[i];
+ int tt = ty->type;
+ size_t z;
+
+ switch (tt)
{
- /* For v8, we need an "unimp" with size of returning struct */
- /* behind "call", so we alloc some executable space for it. */
- /* l7 is used, we need to make sure v8.S doesn't use %l7. */
- unsigned int *call_struct = NULL;
- ffi_closure_alloc(32, (void **)&call_struct);
- if (call_struct)
+ case FFI_TYPE_STRUCT:
+ case FFI_TYPE_LONGDOUBLE:
+ by_reference:
+ *argp++ = (unsigned long)a;
+ break;
+
+ case FFI_TYPE_DOUBLE:
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_SINT64:
+ memcpy(argp, a, 8);
+ argp += 2;
+ break;
+
+ case FFI_TYPE_INT:
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_POINTER:
+ *argp++ = *(unsigned *)a;
+ break;
+
+ case FFI_TYPE_UINT8:
+ *argp++ = *(UINT8 *)a;
+ break;
+ case FFI_TYPE_SINT8:
+ *argp++ = *(SINT8 *)a;
+ break;
+ case FFI_TYPE_UINT16:
+ *argp++ = *(UINT16 *)a;
+ break;
+ case FFI_TYPE_SINT16:
+ *argp++ = *(SINT16 *)a;
+ break;
+
+ case FFI_TYPE_COMPLEX:
+ tt = ty->elements[0]->type;
+ z = ty->size;
+ if (tt == FFI_TYPE_FLOAT || z > 8)
+ goto by_reference;
+ if (z < 4)
{
- unsigned long f = (unsigned long)fn;
- call_struct[0] = 0xae10001f; /* mov %i7, %l7 */
- call_struct[1] = 0xbe10000f; /* mov %o7, %i7 */
- call_struct[2] = 0x03000000 | f >> 10; /* sethi %hi(fn), %g1 */
- call_struct[3] = 0x9fc06000 | (f & 0x3ff); /* jmp %g1+%lo(fn), %o7 */
- call_struct[4] = 0x01000000; /* nop */
- if (cif->rtype->size < 0x7f)
- call_struct[5] = cif->rtype->size; /* unimp */
- else
- call_struct[5] = 0x01000000; /* nop */
- call_struct[6] = 0x81c7e008; /* ret */
- call_struct[7] = 0xbe100017; /* mov %l7, %i7 */
-#ifdef __GNUC__
- asm volatile ("iflush %0; iflush %0+8; iflush %0+16; iflush %0+24" : :
- "r" (call_struct) : "memory");
- /* SPARC v8 requires 5 instructions for flush to be visible */
- asm volatile ("nop; nop; nop; nop; nop");
-#else
- ffi_flush_icache (call_struct, 32);
-#endif
- ffi_call_v8(ffi_prep_args_v8, &ecif, cif->bytes,
- cif->flags, rvalue, call_struct);
- ffi_closure_free(call_struct);
+ memcpy((char *)argp + 4 - z, a, z);
+ argp++;
}
else
{
- ffi_call_v8(ffi_prep_args_v8, &ecif, cif->bytes,
- cif->flags, rvalue, fn);
+ memcpy(argp, a, z);
+ argp += z / 4;
}
+ break;
+
+ default:
+ abort();
}
- else
- {
- ffi_call_v8(ffi_prep_args_v8, &ecif, cif->bytes,
- cif->flags, rvalue, fn);
- }
-#endif
- break;
- case FFI_V9:
-#ifdef SPARC64
- ffi_call_v9(ffi_prep_args_v9, &ecif, cif->bytes,
- cif->flags, rval, fn);
- if (rvalue && rval && cif->rtype->type == FFI_TYPE_STRUCT)
- ffi_v9_layout_struct(cif->rtype, 0, (char *)rvalue, (char *)rval, ((char *)rval)+32);
-#else
- /* And vice versa */
- FFI_ASSERT(0);
-#endif
- break;
- default:
- FFI_ASSERT(0);
- break;
}
+
+ return flags;
+}
+
+static void
+ffi_call_int (ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure)
+{
+ size_t bytes = cif->bytes;
+
+ FFI_ASSERT (cif->abi == FFI_V8);
+
+ /* If we've not got a return value, we need to create one if we've
+ got to pass the return value to the callee. Otherwise ignore it. */
+ if (rvalue == NULL
+ && (cif->flags & SPARC_FLAG_RET_MASK) == SPARC_RET_STRUCT)
+ bytes += ALIGN (cif->rtype->size, 8);
+
+ ffi_call_v8(cif, fn, rvalue, avalue, -bytes, closure);
}
+void
+ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
+{
+ ffi_call_int (cif, fn, rvalue, avalue, NULL);
+}
-#ifdef SPARC64
-extern void ffi_closure_v9(void);
+void
+ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure)
+{
+ ffi_call_int (cif, fn, rvalue, avalue, closure);
+}
+
+#ifdef __GNUC__
+static inline void
+ffi_flush_icache (void *p)
+{
+ /* SPARC v8 requires 5 instructions for flush to be visible */
+ asm volatile ("iflush %0; iflush %0+8; nop; nop; nop; nop; nop"
+ : : "r" (p) : "memory");
+}
#else
-extern void ffi_closure_v8(void);
+extern void ffi_flush_icache (void *) FFI_HIDDEN;
#endif
+extern void ffi_closure_v8(void) FFI_HIDDEN;
+extern void ffi_go_closure_v8(void) FFI_HIDDEN;
+
ffi_status
-ffi_prep_closure_loc (ffi_closure* closure,
- ffi_cif* cif,
+ffi_prep_closure_loc (ffi_closure *closure,
+ ffi_cif *cif,
void (*fun)(ffi_cif*, void*, void**, void*),
void *user_data,
void *codeloc)
{
unsigned int *tramp = (unsigned int *) &closure->tramp[0];
- unsigned long fn;
-#ifdef SPARC64
- /* Trampoline address is equal to the closure address. We take advantage
- of that to reduce the trampoline size by 8 bytes. */
- if (cif->abi != FFI_V9)
- return FFI_BAD_ABI;
- fn = (unsigned long) ffi_closure_v9;
- tramp[0] = 0x83414000; /* rd %pc, %g1 */
- tramp[1] = 0xca586010; /* ldx [%g1+16], %g5 */
- tramp[2] = 0x81c14000; /* jmp %g5 */
- tramp[3] = 0x01000000; /* nop */
- *((unsigned long *) &tramp[4]) = fn;
-#else
- unsigned long ctx = (unsigned long) codeloc;
+ unsigned long ctx = (unsigned long) closure;
+ unsigned long fn = (unsigned long) ffi_closure_v8;
+
if (cif->abi != FFI_V8)
return FFI_BAD_ABI;
- fn = (unsigned long) ffi_closure_v8;
+
tramp[0] = 0x03000000 | fn >> 10; /* sethi %hi(fn), %g1 */
tramp[1] = 0x05000000 | ctx >> 10; /* sethi %hi(ctx), %g2 */
tramp[2] = 0x81c06000 | (fn & 0x3ff); /* jmp %g1+%lo(fn) */
tramp[3] = 0x8410a000 | (ctx & 0x3ff);/* or %g2, %lo(ctx) */
-#endif
closure->cif = cif;
closure->fun = fun;
closure->user_data = user_data;
- /* Flush the Icache. closure is 8 bytes aligned. */
-#ifdef __GNUC__
-#ifdef SPARC64
- asm volatile ("flush %0; flush %0+8" : : "r" (closure) : "memory");
-#else
- asm volatile ("iflush %0; iflush %0+8" : : "r" (closure) : "memory");
- /* SPARC v8 requires 5 instructions for flush to be visible */
- asm volatile ("nop; nop; nop; nop; nop");
-#endif
-#else
- ffi_flush_icache (closure, 16);
-#endif
+ ffi_flush_icache (closure);
return FFI_OK;
}
-int
-ffi_closure_sparc_inner_v8(ffi_closure *closure,
- void *rvalue, unsigned long *gpr, unsigned long *scratch)
+ffi_status
+ffi_prep_go_closure (ffi_go_closure *closure, ffi_cif *cif,
+ void (*fun)(ffi_cif*, void*, void**, void*))
{
- ffi_cif *cif;
- ffi_type **arg_types;
- void **avalue;
- int i, argn;
-
- cif = closure->cif;
- arg_types = cif->arg_types;
- avalue = alloca(cif->nargs * sizeof(void *));
-
- /* Copy the caller's structure return address so that the closure
- returns the data directly to the caller. */
- if (cif->flags == FFI_TYPE_STRUCT
-#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
- || cif->flags == FFI_TYPE_LONGDOUBLE
-#endif
- )
- rvalue = (void *) gpr[0];
-
- /* Always skip the structure return address. */
- argn = 1;
-
- /* Grab the addresses of the arguments from the stack frame. */
- for (i = 0; i < cif->nargs; i++)
- {
- if (arg_types[i]->type == FFI_TYPE_STRUCT
-#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
- || arg_types[i]->type == FFI_TYPE_LONGDOUBLE
-#endif
- )
- {
- /* Straight copy of invisible reference. */
- avalue[i] = (void *)gpr[argn++];
- }
- else if ((arg_types[i]->type == FFI_TYPE_DOUBLE
- || arg_types[i]->type == FFI_TYPE_SINT64
- || arg_types[i]->type == FFI_TYPE_UINT64)
- /* gpr is 8-byte aligned. */
- && (argn % 2) != 0)
- {
- /* Align on a 8-byte boundary. */
- scratch[0] = gpr[argn];
- scratch[1] = gpr[argn+1];
- avalue[i] = scratch;
- scratch -= 2;
- argn += 2;
- }
- else
- {
- /* Always right-justify. */
- argn += ALIGN(arg_types[i]->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG;
- avalue[i] = ((char *) &gpr[argn]) - arg_types[i]->size;
- }
- }
+ if (cif->abi != FFI_V8)
+ return FFI_BAD_ABI;
- /* Invoke the closure. */
- (closure->fun) (cif, rvalue, avalue, closure->user_data);
+ closure->tramp = ffi_go_closure_v8;
+ closure->cif = cif;
+ closure->fun = fun;
- /* Tell ffi_closure_sparc how to perform return type promotions. */
- return cif->rtype->type;
+ return FFI_OK;
}
-int
-ffi_closure_sparc_inner_v9(ffi_closure *closure,
- void *rvalue, unsigned long *gpr, double *fpr)
+int FFI_HIDDEN
+ffi_closure_sparc_inner_v8(ffi_cif *cif,
+ void (*fun)(ffi_cif*, void*, void**, void*),
+ void *user_data, void *rvalue,
+ unsigned long *argp)
{
- ffi_cif *cif;
ffi_type **arg_types;
void **avalue;
- int i, argn, fp_slot_max;
+ int i, nargs, flags;
- cif = closure->cif;
arg_types = cif->arg_types;
- avalue = alloca(cif->nargs * sizeof(void *));
+ nargs = cif->nargs;
+ flags = cif->flags;
+ avalue = alloca(nargs * sizeof(void *));
/* Copy the caller's structure return address so that the closure
- returns the data directly to the caller. */
- if (cif->flags == FFI_TYPE_VOID
- && cif->rtype->type == FFI_TYPE_STRUCT)
+ returns the data directly to the caller. Also install it so we
+ can return the address in %o0. */
+ if ((flags & SPARC_FLAG_RET_MASK) == SPARC_RET_STRUCT)
{
- rvalue = (void *) gpr[0];
- /* Skip the structure return address. */
- argn = 1;
+ void *new_rvalue = (void *)*argp;
+ *(void **)rvalue = new_rvalue;
+ rvalue = new_rvalue;
}
- else
- argn = 0;
- fp_slot_max = 16 - argn;
+ /* Always skip the structure return address. */
+ argp++;
/* Grab the addresses of the arguments from the stack frame. */
- for (i = 0; i < cif->nargs; i++)
+ for (i = 0; i < nargs; i++)
{
- if (arg_types[i]->type == FFI_TYPE_STRUCT)
+ ffi_type *ty = arg_types[i];
+ int tt = ty->type;
+ void *a = argp;
+ size_t z;
+
+ switch (tt)
{
- if (arg_types[i]->size > 16)
- {
- /* Straight copy of invisible reference. */
- avalue[i] = (void *)gpr[argn++];
- }
- else
+ case FFI_TYPE_STRUCT:
+ case FFI_TYPE_LONGDOUBLE:
+ by_reference:
+ /* Straight copy of invisible reference. */
+ a = (void *)*argp;
+ break;
+
+ case FFI_TYPE_DOUBLE:
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_UINT64:
+ if ((unsigned long)a & 7)
{
- /* Left-justify. */
- ffi_v9_layout_struct(arg_types[i],
- 0,
- (char *) &gpr[argn],
- (char *) &gpr[argn],
- (char *) &fpr[argn]);
- avalue[i] = &gpr[argn];
- argn += ALIGN(arg_types[i]->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG;
+ /* Align on a 8-byte boundary. */
+ UINT64 *tmp = alloca(8);
+ *tmp = ((UINT64)argp[0] << 32) | argp[1];
+ a = tmp;
}
- }
- else
- {
- /* Right-justify. */
- argn += ALIGN(arg_types[i]->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG;
+ argp++;
+ break;
- /* Align on a 16-byte boundary. */
-#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
- if (arg_types[i]->type == FFI_TYPE_LONGDOUBLE && (argn % 2) != 0)
- argn++;
-#endif
- if (i < fp_slot_max
- && (arg_types[i]->type == FFI_TYPE_FLOAT
- || arg_types[i]->type == FFI_TYPE_DOUBLE
-#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
- || arg_types[i]->type == FFI_TYPE_LONGDOUBLE
-#endif
- ))
- avalue[i] = ((char *) &fpr[argn]) - arg_types[i]->size;
- else
- avalue[i] = ((char *) &gpr[argn]) - arg_types[i]->size;
+ case FFI_TYPE_INT:
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_POINTER:
+ break;
+ case FFI_TYPE_UINT16:
+ case FFI_TYPE_SINT16:
+ a += 2;
+ break;
+ case FFI_TYPE_UINT8:
+ case FFI_TYPE_SINT8:
+ a += 3;
+ break;
+
+ case FFI_TYPE_COMPLEX:
+ tt = ty->elements[0]->type;
+ z = ty->size;
+ if (tt == FFI_TYPE_FLOAT || z > 8)
+ goto by_reference;
+ if (z < 4)
+ a += 4 - z;
+ else if (z > 4)
+ argp++;
+ break;
+
+ default:
+ abort();
}
+ argp++;
+ avalue[i] = a;
}
/* Invoke the closure. */
- (closure->fun) (cif, rvalue, avalue, closure->user_data);
+ fun (cif, rvalue, avalue, user_data);
/* Tell ffi_closure_sparc how to perform return type promotions. */
- return cif->rtype->type;
+ return flags;
}
+#endif /* !SPARC64 */
diff --git a/src/sparc/ffi64.c b/src/sparc/ffi64.c
new file mode 100644
index 0000000..a4e41d2
--- /dev/null
+++ b/src/sparc/ffi64.c
@@ -0,0 +1,592 @@
+/* -----------------------------------------------------------------------
+ ffi.c - Copyright (c) 2011, 2013 Anthony Green
+ Copyright (c) 1996, 2003-2004, 2007-2008 Red Hat, Inc.
+
+ SPARC Foreign Function Interface
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ ``Software''), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ The above copyright notice and this permission notice shall be included
+ in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ DEALINGS IN THE SOFTWARE.
+ ----------------------------------------------------------------------- */
+
+#include <ffi.h>
+#include <ffi_common.h>
+#include <stdlib.h>
+#include "internal.h"
+
+/* Force FFI_TYPE_LONGDOUBLE to be different than FFI_TYPE_DOUBLE;
+ all further uses in this file will refer to the 128-bit type. */
+#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
+# if FFI_TYPE_LONGDOUBLE != 4
+# error FFI_TYPE_LONGDOUBLE out of date
+# endif
+#else
+# undef FFI_TYPE_LONGDOUBLE
+# define FFI_TYPE_LONGDOUBLE 4
+#endif
+
+#ifdef SPARC64
+
+/* Flatten the contents of a structure to the parts that are passed in
+ floating point registers. The return is a bit mask wherein bit N
+ set means bytes [4*n, 4*n+3] are passed in %fN.
+
+ We encode both the (running) size (maximum 32) and mask (maxumum 255)
+ into one integer. The size is placed in the low byte, so that align
+ and addition work correctly. The mask is placed in the second byte. */
+
+static int
+ffi_struct_float_mask (ffi_type *outer_type, int size_mask)
+{
+ ffi_type **elts;
+ ffi_type *t;
+
+ if (outer_type->type == FFI_TYPE_COMPLEX)
+ {
+ int m = 0, tt = outer_type->elements[0]->type;
+ size_t z = outer_type->size;
+
+ if (tt == FFI_TYPE_FLOAT
+ || tt == FFI_TYPE_DOUBLE
+ || tt == FFI_TYPE_LONGDOUBLE)
+ m = (1 << (z / 4)) - 1;
+ return (m << 8) | z;
+ }
+ FFI_ASSERT (outer_type->type == FFI_TYPE_STRUCT);
+
+ for (elts = outer_type->elements; (t = *elts) != NULL; elts++)
+ {
+ size_t z = t->size;
+ int o, m, tt;
+
+ size_mask = ALIGN(size_mask, t->alignment);
+ switch (t->type)
+ {
+ case FFI_TYPE_STRUCT:
+ size_mask = ffi_struct_float_mask (t, size_mask);
+ continue;
+ case FFI_TYPE_COMPLEX:
+ tt = t->elements[0]->type;
+ if (tt != FFI_TYPE_FLOAT
+ && tt != FFI_TYPE_DOUBLE
+ && tt != FFI_TYPE_LONGDOUBLE)
+ break;
+ /* FALLTHRU */
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ case FFI_TYPE_LONGDOUBLE:
+ m = (1 << (z / 4)) - 1; /* compute mask for type */
+ o = (size_mask >> 2) & 0x3f; /* extract word offset */
+ size_mask |= m << (o + 8); /* insert mask into place */
+ break;
+ }
+ size_mask += z;
+ }
+
+ size_mask = ALIGN(size_mask, outer_type->alignment);
+ FFI_ASSERT ((size_mask & 0xff) == outer_type->size);
+
+ return size_mask;
+}
+
+/* Merge floating point data into integer data. If the structure is
+ entirely floating point, simply return a pointer to the fp data. */
+
+static void *
+ffi_struct_float_merge (int size_mask, void *vi, void *vf)
+{
+ int size = size_mask & 0xff;
+ int mask = size_mask >> 8;
+ int n = size >> 2;
+
+ if (mask == 0)
+ return vi;
+ else if (mask == (1 << n) - 1)
+ return vf;
+ else
+ {
+ unsigned int *wi = vi, *wf = vf;
+ int i;
+
+ for (i = 0; i < n; ++i)
+ if ((mask >> i) & 1)
+ wi[i] = wf[i];
+
+ return vi;
+ }
+}
+
+/* Similar, but place the data into VD in the end. */
+
+void FFI_HIDDEN
+ffi_struct_float_copy (int size_mask, void *vd, void *vi, void *vf)
+{
+ int size = size_mask & 0xff;
+ int mask = size_mask >> 8;
+ int n = size >> 2;
+
+ if (mask == 0)
+ ;
+ else if (mask == (1 << n) - 1)
+ vi = vf;
+ else
+ {
+ unsigned int *wd = vd, *wi = vi, *wf = vf;
+ int i;
+
+ for (i = 0; i < n; ++i)
+ wd[i] = ((mask >> i) & 1 ? wf : wi)[i];
+ return;
+ }
+ memcpy (vd, vi, size);
+}
+
+/* Perform machine dependent cif processing */
+
+ffi_status FFI_HIDDEN
+ffi_prep_cif_machdep(ffi_cif *cif)
+{
+ ffi_type *rtype = cif->rtype;
+ int rtt = rtype->type;
+ size_t bytes = 0;
+ int i, n, flags;
+
+ /* Set the return type flag */
+ switch (rtt)
+ {
+ case FFI_TYPE_VOID:
+ flags = SPARC_RET_VOID;
+ break;
+ case FFI_TYPE_FLOAT:
+ flags = SPARC_RET_F_1;
+ break;
+ case FFI_TYPE_DOUBLE:
+ flags = SPARC_RET_F_2;
+ break;
+ case FFI_TYPE_LONGDOUBLE:
+ flags = SPARC_RET_F_4;
+ break;
+
+ case FFI_TYPE_COMPLEX:
+ case FFI_TYPE_STRUCT:
+ if (rtype->size > 32)
+ {
+ flags = SPARC_RET_VOID | SPARC_FLAG_RET_IN_MEM;
+ bytes = 8;
+ }
+ else
+ {
+ int size_mask = ffi_struct_float_mask (rtype, 0);
+ int word_size = (size_mask >> 2) & 0x3f;
+ int all_mask = (1 << word_size) - 1;
+ int fp_mask = size_mask >> 8;
+
+ flags = (size_mask << SPARC_SIZEMASK_SHIFT) | SPARC_RET_STRUCT;
+
+ /* For special cases of all-int or all-fp, we can return
+ the value directly without popping through a struct copy. */
+ if (fp_mask == 0)
+ {
+ if (rtype->alignment >= 8)
+ {
+ if (rtype->size == 8)
+ flags = SPARC_RET_INT64;
+ else if (rtype->size == 16)
+ flags = SPARC_RET_INT128;
+ }
+ }
+ else if (fp_mask == all_mask)
+ switch (word_size)
+ {
+ case 1: flags = SPARC_RET_F_1; break;
+ case 2: flags = SPARC_RET_F_2; break;
+ case 3: flags = SP_V9_RET_F_3; break;
+ case 4: flags = SPARC_RET_F_4; break;
+ /* 5 word structures skipped; handled via RET_STRUCT. */
+ case 6: flags = SPARC_RET_F_6; break;
+ /* 7 word structures skipped; handled via RET_STRUCT. */
+ case 8: flags = SPARC_RET_F_8; break;
+ }
+ }
+ break;
+
+ case FFI_TYPE_SINT8:
+ flags = SPARC_RET_SINT8;
+ break;
+ case FFI_TYPE_UINT8:
+ flags = SPARC_RET_UINT8;
+ break;
+ case FFI_TYPE_SINT16:
+ flags = SPARC_RET_SINT16;
+ break;
+ case FFI_TYPE_UINT16:
+ flags = SPARC_RET_UINT16;
+ break;
+ case FFI_TYPE_INT:
+ case FFI_TYPE_SINT32:
+ flags = SP_V9_RET_SINT32;
+ break;
+ case FFI_TYPE_UINT32:
+ flags = SPARC_RET_UINT32;
+ break;
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_POINTER:
+ flags = SPARC_RET_INT64;
+ break;
+
+ default:
+ abort();
+ }
+
+ bytes = 0;
+ for (i = 0, n = cif->nargs; i < n; ++i)
+ {
+ ffi_type *ty = cif->arg_types[i];
+ size_t z = ty->size;
+ size_t a = ty->alignment;
+
+ switch (ty->type)
+ {
+ case FFI_TYPE_COMPLEX:
+ case FFI_TYPE_STRUCT:
+ /* Large structs passed by reference. */
+ if (z > 16)
+ {
+ a = z = 8;
+ break;
+ }
+ /* Small structs may be passed in integer or fp regs or both. */
+ if (bytes >= 16*8)
+ break;
+ if ((ffi_struct_float_mask (ty, 0) & 0xff00) == 0)
+ break;
+ /* FALLTHRU */
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ case FFI_TYPE_LONGDOUBLE:
+ flags |= SPARC_FLAG_FP_ARGS;
+ break;
+ }
+ bytes = ALIGN(bytes, a);
+ bytes += ALIGN(z, 8);
+ }
+
+ /* Sparc call frames require that space is allocated for 6 args,
+ even if they aren't used. Make that space if necessary. */
+ if (bytes < 6 * 8)
+ bytes = 6 * 8;
+
+ /* The stack must be 2 word aligned, so round bytes up appropriately. */
+ bytes = ALIGN(bytes, 16);
+
+ /* Include the call frame to prep_args. */
+ bytes += 8*16 + 8*8;
+
+ cif->bytes = bytes;
+ cif->flags = flags;
+ return FFI_OK;
+}
+
+extern void ffi_call_v9(ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, size_t bytes, void *closure) FFI_HIDDEN;
+
+/* ffi_prep_args is called by the assembly routine once stack space
+ has been allocated for the function's arguments */
+
+int FFI_HIDDEN
+ffi_prep_args_v9(ffi_cif *cif, unsigned long *argp, void *rvalue, void **avalue)
+{
+ ffi_type **p_arg;
+ int flags = cif->flags;
+ int i, nargs;
+
+ if (rvalue == NULL)
+ {
+ if (flags & SPARC_FLAG_RET_IN_MEM)
+ {
+ /* Since we pass the pointer to the callee, we need a value.
+ We allowed for this space in ffi_call, before ffi_call_v8
+ alloca'd the space. */
+ rvalue = (char *)argp + cif->bytes;
+ }
+ else
+ {
+ /* Otherwise, we can ignore the return value. */
+ flags = SPARC_RET_VOID;
+ }
+ }
+
+#ifdef USING_PURIFY
+ /* Purify will probably complain in our assembly routine,
+ unless we zero out this memory. */
+ memset(argp, 0, 6*8);
+#endif
+
+ if (flags & SPARC_FLAG_RET_IN_MEM)
+ *argp++ = (unsigned long)rvalue;
+
+ p_arg = cif->arg_types;
+ for (i = 0, nargs = cif->nargs; i < nargs; i++)
+ {
+ ffi_type *ty = p_arg[i];
+ void *a = avalue[i];
+ size_t z;
+
+ switch (ty->type)
+ {
+ case FFI_TYPE_SINT8:
+ *argp++ = *(SINT8 *)a;
+ break;
+ case FFI_TYPE_UINT8:
+ *argp++ = *(UINT8 *)a;
+ break;
+ case FFI_TYPE_SINT16:
+ *argp++ = *(SINT16 *)a;
+ break;
+ case FFI_TYPE_UINT16:
+ *argp++ = *(UINT16 *)a;
+ break;
+ case FFI_TYPE_INT:
+ case FFI_TYPE_SINT32:
+ *argp++ = *(SINT32 *)a;
+ break;
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_FLOAT:
+ *argp++ = *(UINT32 *)a;
+ break;
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_POINTER:
+ case FFI_TYPE_DOUBLE:
+ *argp++ = *(UINT64 *)a;
+ break;
+
+ case FFI_TYPE_LONGDOUBLE:
+ case FFI_TYPE_COMPLEX:
+ case FFI_TYPE_STRUCT:
+ z = ty->size;
+ if (z > 16)
+ {
+ /* For structures larger than 16 bytes we pass reference. */
+ *argp++ = (unsigned long)a;
+ break;
+ }
+ if (((unsigned long)argp & 15) && ty->alignment > 8)
+ argp++;
+ memcpy(argp, a, z);
+ argp += ALIGN(z, 8) / 8;
+ break;
+
+ default:
+ abort();
+ }
+ }
+
+ return flags;
+}
+
+static void
+ffi_call_int(ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure)
+{
+ size_t bytes = cif->bytes;
+
+ FFI_ASSERT (cif->abi == FFI_V9);
+
+ if (rvalue == NULL && (cif->flags & SPARC_FLAG_RET_IN_MEM))
+ bytes += ALIGN (cif->rtype->size, 16);
+
+ ffi_call_v9(cif, fn, rvalue, avalue, -bytes, closure);
+}
+
+void
+ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
+{
+ ffi_call_int(cif, fn, rvalue, avalue, NULL);
+}
+
+void
+ffi_call_go(ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure)
+{
+ ffi_call_int(cif, fn, rvalue, avalue, closure);
+}
+
+#ifdef __GNUC__
+static inline void
+ffi_flush_icache (void *p)
+{
+ asm volatile ("flush %0; flush %0+8" : : "r" (p) : "memory");
+}
+#else
+extern void ffi_flush_icache (void *) FFI_HIDDEN;
+#endif
+
+extern void ffi_closure_v9(void) FFI_HIDDEN;
+extern void ffi_go_closure_v9(void) FFI_HIDDEN;
+
+ffi_status
+ffi_prep_closure_loc (ffi_closure* closure,
+ ffi_cif* cif,
+ void (*fun)(ffi_cif*, void*, void**, void*),
+ void *user_data,
+ void *codeloc)
+{
+ unsigned int *tramp = (unsigned int *) &closure->tramp[0];
+ unsigned long fn;
+
+ if (cif->abi != FFI_V9)
+ return FFI_BAD_ABI;
+
+ /* Trampoline address is equal to the closure address. We take advantage
+ of that to reduce the trampoline size by 8 bytes. */
+ fn = (unsigned long) ffi_closure_v9;
+ tramp[0] = 0x83414000; /* rd %pc, %g1 */
+ tramp[1] = 0xca586010; /* ldx [%g1+16], %g5 */
+ tramp[2] = 0x81c14000; /* jmp %g5 */
+ tramp[3] = 0x01000000; /* nop */
+ *((unsigned long *) &tramp[4]) = fn;
+
+ closure->cif = cif;
+ closure->fun = fun;
+ closure->user_data = user_data;
+
+ ffi_flush_icache (closure);
+
+ return FFI_OK;
+}
+
+ffi_status
+ffi_prep_go_closure (ffi_go_closure* closure, ffi_cif* cif,
+ void (*fun)(ffi_cif*, void*, void**, void*))
+{
+ if (cif->abi != FFI_V9)
+ return FFI_BAD_ABI;
+
+ closure->tramp = ffi_go_closure_v9;
+ closure->cif = cif;
+ closure->fun = fun;
+
+ return FFI_OK;
+}
+
+int FFI_HIDDEN
+ffi_closure_sparc_inner_v9(ffi_cif *cif,
+ void (*fun)(ffi_cif*, void*, void**, void*),
+ void *user_data, void *rvalue,
+ unsigned long *gpr, unsigned long *fpr)
+{
+ ffi_type **arg_types;
+ void **avalue;
+ int i, argn, argx, nargs, flags;
+
+ arg_types = cif->arg_types;
+ nargs = cif->nargs;
+ flags = cif->flags;
+
+ avalue = alloca(nargs * sizeof(void *));
+
+ /* Copy the caller's structure return address so that the closure
+ returns the data directly to the caller. */
+ if (flags & SPARC_FLAG_RET_IN_MEM)
+ {
+ rvalue = (void *) gpr[0];
+ /* Skip the structure return address. */
+ argn = 1;
+ }
+ else
+ argn = 0;
+
+ /* Grab the addresses of the arguments from the stack frame. */
+ for (i = 0; i < nargs; i++, argn = argx)
+ {
+ ffi_type *ty = arg_types[i];
+ void *a = &gpr[argn];
+ size_t z;
+
+ argx = argn + 1;
+ switch (ty->type)
+ {
+ case FFI_TYPE_COMPLEX:
+ case FFI_TYPE_STRUCT:
+ z = ty->size;
+ if (z > 16)
+ a = *(void **)a;
+ else
+ {
+ argx = argn + ALIGN (z, 8) / 8;
+ if (argn < 16)
+ {
+ int size_mask = ffi_struct_float_mask (ty, 0);
+ int argn_mask = (0xffff00 >> argn) & 0xff00;
+
+ /* Eliminate fp registers off the end. */
+ size_mask = (size_mask & 0xff) | (size_mask & argn_mask);
+ a = ffi_struct_float_merge (size_mask, gpr+argn, fpr+argn);
+ }
+ }
+ break;
+
+ case FFI_TYPE_LONGDOUBLE:
+ argn = ALIGN (argn, 2);
+ a = (argn < 16 ? fpr : gpr) + argn;
+ argx = argn + 2;
+ break;
+ case FFI_TYPE_DOUBLE:
+ if (argn <= 16)
+ a = fpr + argn;
+ break;
+ case FFI_TYPE_FLOAT:
+ if (argn <= 16)
+ a = fpr + argn;
+ a += 4;
+ break;
+
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_POINTER:
+ break;
+ case FFI_TYPE_INT:
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_SINT32:
+ a += 4;
+ break;
+ case FFI_TYPE_UINT16:
+ case FFI_TYPE_SINT16:
+ a += 6;
+ break;
+ case FFI_TYPE_UINT8:
+ case FFI_TYPE_SINT8:
+ a += 7;
+ break;
+
+ default:
+ abort();
+ }
+ avalue[i] = a;
+ }
+
+ /* Invoke the closure. */
+ fun (cif, rvalue, avalue, user_data);
+
+ /* Tell ffi_closure_sparc how to perform return type promotions. */
+ return flags;
+}
+#endif /* SPARC64 */
diff --git a/src/sparc/ffitarget.h b/src/sparc/ffitarget.h
index d89f787..6982903 100644
--- a/src/sparc/ffitarget.h
+++ b/src/sparc/ffitarget.h
@@ -46,21 +46,24 @@ typedef signed long ffi_sarg;
typedef enum ffi_abi {
FFI_FIRST_ABI = 0,
- FFI_V8,
- FFI_V8PLUS,
- FFI_V9,
- FFI_LAST_ABI,
#ifdef SPARC64
- FFI_DEFAULT_ABI = FFI_V9
+ FFI_V9,
+ FFI_DEFAULT_ABI = FFI_V9,
#else
- FFI_DEFAULT_ABI = FFI_V8
+ FFI_V8,
+ FFI_DEFAULT_ABI = FFI_V8,
#endif
+ FFI_LAST_ABI
} ffi_abi;
#endif
+#define FFI_TARGET_SPECIFIC_STACK_SPACE_ALLOCATION
+#define FFI_TARGET_HAS_COMPLEX_TYPE
+
/* ---- Definitions for closures ----------------------------------------- */
#define FFI_CLOSURES 1
+#define FFI_GO_CLOSURES 1
#define FFI_NATIVE_RAW_API 0
#ifdef SPARC64
diff --git a/src/sparc/internal.h b/src/sparc/internal.h
new file mode 100644
index 0000000..0a66472
--- /dev/null
+++ b/src/sparc/internal.h
@@ -0,0 +1,26 @@
+#define SPARC_RET_VOID 0
+#define SPARC_RET_STRUCT 1
+#define SPARC_RET_UINT8 2
+#define SPARC_RET_SINT8 3
+#define SPARC_RET_UINT16 4
+#define SPARC_RET_SINT16 5
+#define SPARC_RET_UINT32 6
+#define SP_V9_RET_SINT32 7 /* v9 only */
+#define SP_V8_RET_CPLX16 7 /* v8 only */
+#define SPARC_RET_INT64 8
+#define SPARC_RET_INT128 9
+
+/* Note that F_7 is missing, and is handled by SPARC_RET_STRUCT. */
+#define SPARC_RET_F_8 10
+#define SPARC_RET_F_6 11
+#define SPARC_RET_F_4 12
+#define SPARC_RET_F_2 13
+#define SP_V9_RET_F_3 14 /* v9 only */
+#define SP_V8_RET_CPLX8 14 /* v8 only */
+#define SPARC_RET_F_1 15
+
+#define SPARC_FLAG_RET_MASK 15
+#define SPARC_FLAG_RET_IN_MEM 32
+#define SPARC_FLAG_FP_ARGS 64
+
+#define SPARC_SIZEMASK_SHIFT 8
diff --git a/src/sparc/v8.S b/src/sparc/v8.S
index 6bf7ac0..3a811ef 100644
--- a/src/sparc/v8.S
+++ b/src/sparc/v8.S
@@ -1,8 +1,8 @@
/* -----------------------------------------------------------------------
v8.S - Copyright (c) 2013 The Written Word, Inc.
Copyright (c) 1996, 1997, 2003, 2004, 2008 Red Hat, Inc.
-
- SPARC Foreign Function Interface
+
+ SPARC Foreign Function Interface
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
@@ -25,179 +25,243 @@
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
-#define LIBFFI_ASM
+#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
+#include <ffi_cfi.h>
+#include "internal.h"
+
+#ifndef SPARC64
-#define STACKFRAME 96 /* Minimum stack framesize for SPARC */
-#define ARGS (64+4) /* Offset of register area in frame */
+#define C2(X, Y) X ## Y
+#define C1(X, Y) C2(X, Y)
+
+#ifdef __USER_LABEL_PREFIX__
+# define C(Y) C1(__USER_LABEL_PREFIX__, Y)
+#else
+# define C(Y) Y
+#endif
+#define L(Y) C1(.L, Y)
-#ifndef __GNUC__
.text
+
+#ifndef __GNUC__
.align 8
-.globl ffi_flush_icache
-.globl _ffi_flush_icache
-
-ffi_flush_icache:
-_ffi_flush_icache:
- add %o0, %o1, %o2
-#ifdef SPARC64
-1: flush %o0
-#else
+ .globl C(ffi_flush_icache)
+ .type C(ffi_flush_icache),@function
+ FFI_HIDDEN(C(ffi_flush_icache))
+
+C(ffi_flush_icache):
+ cfi_startproc
1: iflush %o0
-#endif
- add %o0, 8, %o0
- cmp %o0, %o2
- blt 1b
+ iflush %o+8
nop
nop
nop
nop
nop
retl
- nop
-.ffi_flush_icache_end:
- .size ffi_flush_icache,.ffi_flush_icache_end-ffi_flush_icache
+ nop
+ cfi_endproc
+ .size C(ffi_flush_icache), . - C(ffi_flush_icache)
#endif
- .text
- .align 8
-.globl ffi_call_v8
-.globl _ffi_call_v8
-
-ffi_call_v8:
-_ffi_call_v8:
-.LLFB1:
- save %sp, -STACKFRAME, %sp
-.LLCFI0:
-
- sub %sp, %i2, %sp ! alloca() space in stack for frame to set up
- add %sp, STACKFRAME, %l0 ! %l0 has start of
- ! frame to set up
-
- mov %l0, %o0 ! call routine to set up frame
- call %i0
- mov %i1, %o1 ! (delay)
-
- ld [%l0+ARGS], %o0 ! call foreign function
- ld [%l0+ARGS+4], %o1
- ld [%l0+ARGS+8], %o2
- ld [%l0+ARGS+12], %o3
- ld [%l0+ARGS+16], %o4
- ld [%l0+ARGS+20], %o5
- call %i5
- mov %l0, %sp ! (delay) switch to frame
- nop ! STRUCT returning functions skip 12 instead of 8 bytes
-
- ! If the return value pointer is NULL, assume no return value.
- tst %i4
- bz done
- nop
-
- cmp %i3, FFI_TYPE_INT
- be,a done
- st %o0, [%i4] ! (delay)
+.macro E index
+ .align 16
+ .org 2b + \index * 16
+.endm
- cmp %i3, FFI_TYPE_FLOAT
- be,a done
- st %f0, [%i4+0] ! (delay)
-
- cmp %i3, FFI_TYPE_DOUBLE
- be,a double
- st %f0, [%i4+0] ! (delay)
-
- cmp %i3, FFI_TYPE_SINT8
- be,a sint8
- sll %o0, 24, %o0 ! (delay)
-
- cmp %i3, FFI_TYPE_UINT8
- be,a uint8
- sll %o0, 24, %o0 ! (delay)
-
- cmp %i3, FFI_TYPE_SINT16
- be,a sint16
- sll %o0, 16, %o0 ! (delay)
-
- cmp %i3, FFI_TYPE_UINT16
- be,a uint16
- sll %o0, 16, %o0 ! (delay)
-
- cmp %i3, FFI_TYPE_SINT64
- be,a longlong
- st %o0, [%i4+0] ! (delay)
-done:
+ .align 8
+ .globl C(ffi_call_v8)
+ .type C(ffi_call_v8),@function
+ FFI_HIDDEN(C(ffi_call_v8))
+
+C(ffi_call_v8):
+ cfi_startproc
+ ! Allocate a stack frame sized by ffi_call.
+ save %sp, %o4, %sp
+ cfi_def_cfa_register(%fp)
+ cfi_window_save
+
+ mov %i0, %o0 ! copy cif
+ add %sp, 64+32, %o1 ! load args area
+ mov %i2, %o2 ! copy rvalue
+ call C(ffi_prep_args_v8)
+ mov %i3, %o3 ! copy avalue
+
+ add %sp, 32, %sp ! deallocate prep frame
+ and %o0, SPARC_FLAG_RET_MASK, %l0 ! save return type
+ srl %o0, SPARC_SIZEMASK_SHIFT, %l1 ! save return size
+ ld [%sp+64+4], %o0 ! load all argument registers
+ ld [%sp+64+8], %o1
+ ld [%sp+64+12], %o2
+ ld [%sp+64+16], %o3
+ cmp %l0, SPARC_RET_STRUCT ! struct return needs an unimp 4
+ ld [%sp+64+20], %o4
+ be 8f
+ ld [%sp+64+24], %o5
+
+ ! Call foreign function
+ call %i1
+ mov %i5, %g2 ! load static chain
+
+0: call 1f ! load pc in %o7
+ sll %l0, 4, %l0
+1: add %o7, %l0, %o7 ! o7 = 0b + ret_type*16
+ jmp %o7+(2f-0b)
+ nop
+
+ ! Note that each entry is 4 insns, enforced by the E macro.
+ .align 16
+2:
+E SPARC_RET_VOID
ret
- restore
-
-double:
- st %f1, [%i4+4]
+ restore
+E SPARC_RET_STRUCT
+ unimp
+E SPARC_RET_UINT8
+ and %o0, 0xff, %o0
+ st %o0, [%i2]
ret
- restore
-
-sint8:
- sra %o0, 24, %o0
- st %o0, [%i4+0]
+ restore
+E SPARC_RET_SINT8
+ sll %o0, 24, %o0
+ b 7f
+ sra %o0, 24, %o0
+E SPARC_RET_UINT16
+ sll %o0, 16, %o0
+ b 7f
+ srl %o0, 16, %o0
+E SPARC_RET_SINT16
+ sll %o0, 16, %o0
+ b 7f
+ sra %o0, 16, %o0
+E SPARC_RET_UINT32
+7: st %o0, [%i2]
ret
- restore
-
-uint8:
- srl %o0, 24, %o0
- st %o0, [%i4+0]
+ restore
+E SP_V8_RET_CPLX16
+ sth %o0, [%i2+2]
+ b 9f
+ srl %o0, 16, %o0
+E SPARC_RET_INT64
+ st %o0, [%i2]
+ st %o1, [%i2+4]
ret
- restore
-
-sint16:
- sra %o0, 16, %o0
- st %o0, [%i4+0]
+ restore
+E SPARC_RET_INT128
+ std %o0, [%i2]
+ std %o2, [%i2+8]
+ ret
+ restore
+E SPARC_RET_F_8
+ st %f7, [%i2+7*4]
+ nop
+ st %f6, [%i2+6*4]
+ nop
+E SPARC_RET_F_6
+ st %f5, [%i2+5*4]
+ nop
+ st %f4, [%i2+4*4]
+ nop
+E SPARC_RET_F_4
+ st %f3, [%i2+3*4]
+ nop
+ st %f2, [%i2+2*4]
+ nop
+E SPARC_RET_F_2
+ st %f1, [%i2+4]
+ st %f0, [%i2]
ret
- restore
+ restore
+E SP_V8_RET_CPLX8
+ stb %o0, [%i2+1]
+ b 10f
+ srl %o0, 8, %o0
+E SPARC_RET_F_1
+ st %f0, [%i2]
+ ret
+ restore
-uint16:
- srl %o0, 16, %o0
- st %o0, [%i4+0]
+ .align 8
+9: sth %o0, [%i2]
ret
- restore
+ restore
+ .align 8
+10: stb %o0, [%i2]
+ ret
+ restore
-longlong:
- st %o1, [%i4+4]
+ ! Struct returning functions expect and skip the unimp here.
+ ! To make it worse, conforming callees examine the unimp and
+ ! make sure the low 12 bits of the unimp match the size of
+ ! the struct being returned.
+ .align 8
+8: call 1f ! load pc in %o7
+ sll %l1, 2, %l0 ! size * 4
+1: sll %l1, 4, %l1 ! size * 16
+ add %l0, %l1, %l0 ! size * 20
+ add %o7, %l0, %o7 ! o7 = 0b + size*20
+ jmp %o7+(2f-8b)
+ mov %i5, %g2 ! load static chain
+2:
+.rept 0x1000
+ call %i1
+ nop
+ unimp (. - 2b) / 20
ret
- restore
-.LLFE1:
+ restore
+.endr
-.ffi_call_v8_end:
- .size ffi_call_v8,.ffi_call_v8_end-ffi_call_v8
+ cfi_endproc
+ .size C(ffi_call_v8),. - C(ffi_call_v8)
-#undef STACKFRAME
-#define STACKFRAME 104 /* 16*4 register window +
- 1*4 struct return +
- 6*4 args backing store +
- 3*4 locals */
+/* 16*4 register window + 1*4 struct return + 6*4 args backing store
+ + 8*4 return storage + 1*4 alignment. */
+#define STACKFRAME (16*4 + 4 + 6*4 + 8*4 + 4)
/* ffi_closure_v8(...)
Receives the closure argument in %g2. */
- .text
- .align 8
- .globl ffi_closure_v8
-
-ffi_closure_v8:
#ifdef HAVE_AS_REGISTER_PSEUDO_OP
- .register %g2, #scratch
+ .register %g2, #scratch
#endif
-.LLFB2:
- ! Reserve frame space for all arguments in case
- ! we need to align them on a 8-byte boundary.
- ld [%g2+FFI_TRAMPOLINE_SIZE], %g1
- ld [%g1+4], %g1
- sll %g1, 3, %g1
- add %g1, STACKFRAME, %g1
- ! %g1 == STACKFRAME + 8*nargs
- neg %g1
- save %sp, %g1, %sp
-.LLCFI1:
+ .align 8
+ .globl C(ffi_go_closure_v8)
+ .type C(ffi_go_closure_v8),@function
+ FFI_HIDDEN(C(ffi_go_closure_v8))
+
+C(ffi_go_closure_v8):
+ cfi_startproc
+ save %sp, -STACKFRAME, %sp
+ cfi_def_cfa_register(%fp)
+ cfi_window_save
+
+ ld [%g2+4], %o0 ! load cif
+ ld [%g2+8], %o1 ! load fun
+ b 0f
+ mov %g2, %o2 ! load user_data
+ cfi_endproc
+ .size C(ffi_go_closure_v8), . - C(ffi_go_closure_v8)
+
+ .align 8
+ .globl C(ffi_closure_v8)
+ .type C(ffi_closure_v8),@function
+ FFI_HIDDEN(C(ffi_closure_v8))
+
+C(ffi_closure_v8):
+ cfi_startproc
+ save %sp, -STACKFRAME, %sp
+ cfi_def_cfa_register(%fp)
+ cfi_window_save
+
+ ld [%g2+FFI_TRAMPOLINE_SIZE], %o0 ! load cif
+ ld [%g2+FFI_TRAMPOLINE_SIZE+4], %o1 ! load fun
+ ld [%g2+FFI_TRAMPOLINE_SIZE+8], %o2 ! load user_data
+0:
! Store all of the potential argument registers in va_list format.
st %i0, [%fp+68+0]
st %i1, [%fp+68+4]
@@ -207,140 +271,91 @@ ffi_closure_v8:
st %i5, [%fp+68+20]
! Call ffi_closure_sparc_inner to do the bulk of the work.
- mov %g2, %o0
- add %fp, -8, %o1
- add %fp, 64, %o2
+ add %fp, -8*4, %o3
call ffi_closure_sparc_inner_v8
- add %fp, -16, %o3
-
- ! Load up the return value in the proper type.
- ! See ffi_prep_cif_machdep for the list of cases.
- cmp %o0, FFI_TYPE_VOID
- be done1
-
- cmp %o0, FFI_TYPE_INT
- be done1
- ld [%fp-8], %i0
-
- cmp %o0, FFI_TYPE_FLOAT
- be,a done1
- ld [%fp-8], %f0
-
- cmp %o0, FFI_TYPE_DOUBLE
- be,a done1
- ldd [%fp-8], %f0
-
-#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
- cmp %o0, FFI_TYPE_LONGDOUBLE
- be done2
-#endif
-
- cmp %o0, FFI_TYPE_STRUCT
- be done2
-
- cmp %o0, FFI_TYPE_SINT64
- be,a done1
- ldd [%fp-8], %i0
-
- cmp %o0, FFI_TYPE_UINT64
- be,a done1
- ldd [%fp-8], %i0
-
- ld [%fp-8], %i0
-done1:
- jmp %i7+8
+ add %fp, 64, %o4
+
+0: call 1f
+ and %o0, SPARC_FLAG_RET_MASK, %o0
+1: sll %o0, 4, %o0 ! o0 = o0 * 16
+ add %o7, %o0, %o7 ! o7 = 0b + o0*16
+ jmp %o7+(2f-0b)
+ add %fp, -8*4, %i2
+
+ ! Note that each entry is 4 insns, enforced by the E macro.
+ .align 16
+2:
+E SPARC_RET_VOID
+ ret
restore
-done2:
- ! Skip 'unimp'.
+E SPARC_RET_STRUCT
+ ld [%i2], %i0
jmp %i7+12
restore
-.LLFE2:
-
-.ffi_closure_v8_end:
- .size ffi_closure_v8,.ffi_closure_v8_end-ffi_closure_v8
-
-#ifdef SPARC64
-#define WS 8
-#define nword xword
-#define uanword uaxword
-#else
-#define WS 4
-#define nword long
-#define uanword uaword
-#endif
-
-#ifdef HAVE_RO_EH_FRAME
- .section ".eh_frame",#alloc
-#else
- .section ".eh_frame",#alloc,#write
-#endif
-.LLframe1:
- .uaword .LLECIE1-.LLSCIE1 ! Length of Common Information Entry
-.LLSCIE1:
- .uaword 0x0 ! CIE Identifier Tag
- .byte 0x1 ! CIE Version
- .ascii "zR\0" ! CIE Augmentation
- .byte 0x1 ! uleb128 0x1; CIE Code Alignment Factor
- .byte 0x80-WS ! sleb128 -WS; CIE Data Alignment Factor
- .byte 0xf ! CIE RA Column
- .byte 0x1 ! uleb128 0x1; Augmentation size
-#ifdef HAVE_AS_SPARC_UA_PCREL
- .byte 0x1b ! FDE Encoding (pcrel sdata4)
-#else
- .byte 0x50 ! FDE Encoding (aligned absolute)
-#endif
- .byte 0xc ! DW_CFA_def_cfa
- .byte 0xe ! uleb128 0xe
- .byte 0x0 ! uleb128 0x0
- .align WS
-.LLECIE1:
-.LLSFDE1:
- .uaword .LLEFDE1-.LLASFDE1 ! FDE Length
-.LLASFDE1:
- .uaword .LLASFDE1-.LLframe1 ! FDE CIE offset
-#ifdef HAVE_AS_SPARC_UA_PCREL
- .uaword %r_disp32(.LLFB1)
- .uaword .LLFE1-.LLFB1 ! FDE address range
-#else
- .align WS
- .nword .LLFB1
- .uanword .LLFE1-.LLFB1 ! FDE address range
-#endif
- .byte 0x0 ! uleb128 0x0; Augmentation size
- .byte 0x4 ! DW_CFA_advance_loc4
- .uaword .LLCFI0-.LLFB1
- .byte 0xd ! DW_CFA_def_cfa_register
- .byte 0x1e ! uleb128 0x1e
- .byte 0x2d ! DW_CFA_GNU_window_save
- .byte 0x9 ! DW_CFA_register
- .byte 0xf ! uleb128 0xf
- .byte 0x1f ! uleb128 0x1f
- .align WS
-.LLEFDE1:
-.LLSFDE2:
- .uaword .LLEFDE2-.LLASFDE2 ! FDE Length
-.LLASFDE2:
- .uaword .LLASFDE2-.LLframe1 ! FDE CIE offset
-#ifdef HAVE_AS_SPARC_UA_PCREL
- .uaword %r_disp32(.LLFB2)
- .uaword .LLFE2-.LLFB2 ! FDE address range
-#else
- .align WS
- .nword .LLFB2
- .uanword .LLFE2-.LLFB2 ! FDE address range
-#endif
- .byte 0x0 ! uleb128 0x0; Augmentation size
- .byte 0x4 ! DW_CFA_advance_loc4
- .uaword .LLCFI1-.LLFB2
- .byte 0xd ! DW_CFA_def_cfa_register
- .byte 0x1e ! uleb128 0x1e
- .byte 0x2d ! DW_CFA_GNU_window_save
- .byte 0x9 ! DW_CFA_register
- .byte 0xf ! uleb128 0xf
- .byte 0x1f ! uleb128 0x1f
- .align WS
-.LLEFDE2:
+E SPARC_RET_UINT8
+ ldub [%i2+3], %i0
+ ret
+ restore
+E SPARC_RET_SINT8
+ ldsb [%i2+3], %i0
+ ret
+ restore
+E SPARC_RET_UINT16
+ lduh [%i2+2], %i0
+ ret
+ restore
+E SPARC_RET_SINT16
+ ldsh [%i2+2], %i0
+ ret
+ restore
+E SPARC_RET_UINT32
+ ld [%i2], %i0
+ ret
+ restore
+E SP_V8_RET_CPLX16
+ ld [%i2], %i0
+ ret
+ restore
+E SPARC_RET_INT64
+ ldd [%i2], %i0
+ ret
+ restore
+E SPARC_RET_INT128
+ ldd [%i2], %i0
+ ldd [%i2+8], %i2
+ ret
+ restore
+E SPARC_RET_F_8
+ ld [%i2+7*4], %f7
+ nop
+ ld [%i2+6*4], %f6
+ nop
+E SPARC_RET_F_6
+ ld [%i2+5*4], %f5
+ nop
+ ld [%i2+4*4], %f4
+ nop
+E SPARC_RET_F_4
+ ld [%i2+3*4], %f3
+ nop
+ ld [%i2+2*4], %f2
+ nop
+E SPARC_RET_F_2
+ ldd [%i2], %f0
+ ret
+ restore
+E SP_V8_RET_CPLX8
+ lduh [%i2], %i0
+ ret
+ restore
+E SPARC_RET_F_1
+ ld [%i2], %f0
+ ret
+ restore
+ cfi_endproc
+ .size C(ffi_closure_v8), . - C(ffi_closure_v8)
+#endif /* !SPARC64 */
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",@progbits
#endif
diff --git a/src/sparc/v9.S b/src/sparc/v9.S
index bf31a2b..52732d3 100644
--- a/src/sparc/v9.S
+++ b/src/sparc/v9.S
@@ -27,105 +27,178 @@
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
+#include <ffi_cfi.h>
+#include "internal.h"
#ifdef SPARC64
-/* Only compile this in for 64bit builds, because otherwise the object file
- will have inproper architecture due to used instructions. */
-#define STACKFRAME 176 /* Minimum stack framesize for SPARC 64-bit */
+#define C2(X, Y) X ## Y
+#define C1(X, Y) C2(X, Y)
+
+#ifdef __USER_LABEL_PREFIX__
+# define C(Y) C1(__USER_LABEL_PREFIX__, Y)
+#else
+# define C(Y) Y
+#endif
+#define L(Y) C1(.L, Y)
+
+.macro E index
+ .align 16
+ .org 2b + \index * 16
+.endm
+
#define STACK_BIAS 2047
-#define ARGS (128) /* Offset of register area in frame */
-.text
+ .text
.align 8
-.globl ffi_call_v9
-.globl _ffi_call_v9
-
-ffi_call_v9:
-_ffi_call_v9:
-.LLFB1:
- save %sp, -STACKFRAME, %sp
-.LLCFI0:
+ .globl C(ffi_call_v9)
+ .type C(ffi_call_v9),@function
+ FFI_HIDDEN(C(ffi_call_v9))
+
+C(ffi_call_v9):
+ cfi_startproc
+ save %sp, %o4, %sp
+ cfi_def_cfa_register(%fp)
+ cfi_window_save
- sub %sp, %i2, %sp ! alloca() space in stack for frame to set up
- add %sp, STACKFRAME+STACK_BIAS, %l0 ! %l0 has start of
- ! frame to set up
-
- mov %l0, %o0 ! call routine to set up frame
- call %i0
- mov %i1, %o1 ! (delay)
- brz,pt %o0, 1f
- ldx [%l0+ARGS], %o0 ! call foreign function
-
- ldd [%l0+ARGS], %f0
- ldd [%l0+ARGS+8], %f2
- ldd [%l0+ARGS+16], %f4
- ldd [%l0+ARGS+24], %f6
- ldd [%l0+ARGS+32], %f8
- ldd [%l0+ARGS+40], %f10
- ldd [%l0+ARGS+48], %f12
- ldd [%l0+ARGS+56], %f14
- ldd [%l0+ARGS+64], %f16
- ldd [%l0+ARGS+72], %f18
- ldd [%l0+ARGS+80], %f20
- ldd [%l0+ARGS+88], %f22
- ldd [%l0+ARGS+96], %f24
- ldd [%l0+ARGS+104], %f26
- ldd [%l0+ARGS+112], %f28
- ldd [%l0+ARGS+120], %f30
-
-1: ldx [%l0+ARGS+8], %o1
- ldx [%l0+ARGS+16], %o2
- ldx [%l0+ARGS+24], %o3
- ldx [%l0+ARGS+32], %o4
- ldx [%l0+ARGS+40], %o5
- call %i5
- sub %l0, STACK_BIAS, %sp ! (delay) switch to frame
-
- ! If the return value pointer is NULL, assume no return value.
- brz,pn %i4, done
+ mov %i0, %o0 ! copy cif
+ add %sp, STACK_BIAS+128+48, %o1 ! load args area
+ mov %i2, %o2 ! copy rvalue
+ call C(ffi_prep_args_v9)
+ mov %i3, %o3 ! copy avalue
+
+ andcc %o0, SPARC_FLAG_FP_ARGS, %g0 ! need fp regs?
+ add %sp, 48, %sp ! deallocate prep frame
+ be,pt %xcc, 1f
+ mov %o0, %l0 ! save flags
+
+ ldd [%sp+STACK_BIAS+128], %f0 ! load all fp arg regs
+ ldd [%sp+STACK_BIAS+128+8], %f2
+ ldd [%sp+STACK_BIAS+128+16], %f4
+ ldd [%sp+STACK_BIAS+128+24], %f6
+ ldd [%sp+STACK_BIAS+128+32], %f8
+ ldd [%sp+STACK_BIAS+128+40], %f10
+ ldd [%sp+STACK_BIAS+128+48], %f12
+ ldd [%sp+STACK_BIAS+128+56], %f14
+ ldd [%sp+STACK_BIAS+128+64], %f16
+ ldd [%sp+STACK_BIAS+128+72], %f18
+ ldd [%sp+STACK_BIAS+128+80], %f20
+ ldd [%sp+STACK_BIAS+128+88], %f22
+ ldd [%sp+STACK_BIAS+128+96], %f24
+ ldd [%sp+STACK_BIAS+128+104], %f26
+ ldd [%sp+STACK_BIAS+128+112], %f28
+ ldd [%sp+STACK_BIAS+128+120], %f30
+
+1: ldx [%sp+STACK_BIAS+128], %o0 ! load all int arg regs
+ ldx [%sp+STACK_BIAS+128+8], %o1
+ ldx [%sp+STACK_BIAS+128+16], %o2
+ ldx [%sp+STACK_BIAS+128+24], %o3
+ ldx [%sp+STACK_BIAS+128+32], %o4
+ ldx [%sp+STACK_BIAS+128+40], %o5
+ call %i1
+ mov %i5, %g5 ! load static chain
+
+0: call 1f ! load pc in %o7
+ and %l0, SPARC_FLAG_RET_MASK, %l1
+1: sll %l1, 4, %l1
+ add %o7, %l1, %o7 ! o7 = 0b + ret_type*16
+ jmp %o7+(2f-0b)
nop
- cmp %i3, FFI_TYPE_INT
- be,a,pt %icc, done
- stx %o0, [%i4+0] ! (delay)
-
- cmp %i3, FFI_TYPE_FLOAT
- be,a,pn %icc, done
- st %f0, [%i4+0] ! (delay)
-
- cmp %i3, FFI_TYPE_DOUBLE
- be,a,pn %icc, done
- std %f0, [%i4+0] ! (delay)
-
- cmp %i3, FFI_TYPE_STRUCT
- be,pn %icc, dostruct
-
- cmp %i3, FFI_TYPE_LONGDOUBLE
- bne,pt %icc, done
+ .align 16
+2:
+E SPARC_RET_VOID
+ return %i7+8
+ nop
+E SPARC_RET_STRUCT
+ add %sp, STACK_BIAS-64+128+48, %l2
+ sub %sp, 64, %sp
+ b 8f
+ stx %o0, [%l2]
+E SPARC_RET_UINT8
+ and %o0, 0xff, %i0
+ return %i7+8
+ stx %o0, [%o2]
+E SPARC_RET_SINT8
+ sll %o0, 24, %o0
+ sra %o0, 24, %i0
+ return %i7+8
+ stx %o0, [%o2]
+E SPARC_RET_UINT16
+ sll %o0, 16, %o0
+ srl %o0, 16, %i0
+ return %i7+8
+ stx %o0, [%o2]
+E SPARC_RET_SINT16
+ sll %o0, 16, %o0
+ sra %o0, 16, %i0
+ return %i7+8
+ stx %o0, [%o2]
+E SPARC_RET_UINT32
+ srl %o0, 0, %i0
+ return %i7+8
+ stx %o0, [%o2]
+E SP_V9_RET_SINT32
+ sra %o0, 0, %i0
+ return %i7+8
+ stx %o0, [%o2]
+E SPARC_RET_INT64
+ stx %o0, [%i2]
+ return %i7+8
+ nop
+E SPARC_RET_INT128
+ stx %o0, [%i2]
+ stx %o1, [%i2+8]
+ return %i7+8
nop
- std %f0, [%i4+0]
- std %f2, [%i4+8]
-
-done: ret
- restore
-
-dostruct:
- /* This will not work correctly for unions. */
- stx %o0, [%i4+0]
- stx %o1, [%i4+8]
- stx %o2, [%i4+16]
- stx %o3, [%i4+24]
- std %f0, [%i4+32]
- std %f2, [%i4+40]
- std %f4, [%i4+48]
- std %f6, [%i4+56]
- ret
- restore
-.LLFE1:
-
-.ffi_call_v9_end:
- .size ffi_call_v9,.ffi_call_v9_end-ffi_call_v9
+E SPARC_RET_F_8
+ st %f7, [%i2+7*4]
+ nop
+ st %f6, [%i2+6*4]
+ nop
+E SPARC_RET_F_6
+ st %f5, [%i2+5*4]
+ nop
+ st %f4, [%i2+4*4]
+ nop
+E SPARC_RET_F_4
+ std %f2, [%i2+2*4]
+ return %i7+8
+ std %f0, [%o2]
+E SPARC_RET_F_2
+ return %i7+8
+ std %f0, [%o2]
+E SP_V9_RET_F_3
+ st %f2, [%i2+2*4]
+ nop
+ st %f1, [%i2+1*4]
+ nop
+E SPARC_RET_F_1
+ return %i7+8
+ st %f0, [%o2]
+
+ ! Finish the SPARC_RET_STRUCT sequence.
+ .align 8
+8: stx %o1, [%l2+8]
+ stx %o2, [%l2+16]
+ stx %o3, [%l2+24]
+ std %f0, [%l2+32]
+ std %f2, [%l2+40]
+ std %f4, [%l2+48]
+ std %f6, [%l2+56]
+
+ ! Copy the structure into place.
+ srl %l0, SPARC_SIZEMASK_SHIFT, %o0 ! load size_mask
+ mov %i2, %o1 ! load dst
+ mov %l2, %o2 ! load src_gp
+ call C(ffi_struct_float_copy)
+ add %l2, 32, %o3 ! load src_fp
+
+ return %i7+8
+ nop
+
+ cfi_endproc
+ .size C(ffi_call_v9), . - C(ffi_call_v9)
#undef STACKFRAME
@@ -138,15 +211,40 @@ dostruct:
Receives the closure argument in %g1. */
- .text
.align 8
- .globl ffi_closure_v9
+ .globl C(ffi_go_closure_v9)
+ .type C(ffi_go_closure_v9),@function
+ FFI_HIDDEN(C(ffi_go_closure_v9))
-ffi_closure_v9:
-.LLFB2:
+C(ffi_go_closure_v9):
+ cfi_startproc
save %sp, -STACKFRAME, %sp
-.LLCFI1:
+ cfi_def_cfa_register(%fp)
+ cfi_window_save
+
+ ldx [%g5+8], %o0
+ ldx [%g5+16], %o1
+ b 0f
+ mov %g5, %o2
+ cfi_endproc
+ .size C(ffi_go_closure_v9), . - C(ffi_go_closure_v9)
+
+ .align 8
+ .globl C(ffi_closure_v9)
+ .type C(ffi_closure_v9),@function
+ FFI_HIDDEN(C(ffi_closure_v9))
+
+C(ffi_closure_v9):
+ cfi_startproc
+ save %sp, -STACKFRAME, %sp
+ cfi_def_cfa_register(%fp)
+ cfi_window_save
+
+ ldx [%g1+FFI_TRAMPOLINE_SIZE], %o0
+ ldx [%g1+FFI_TRAMPOLINE_SIZE+8], %o1
+ ldx [%g1+FFI_TRAMPOLINE_SIZE+16], %o2
+0:
! Store all of the potential argument registers in va_list format.
stx %i0, [FP+128+0]
stx %i1, [FP+128+8]
@@ -174,134 +272,106 @@ ffi_closure_v9:
std %f30, [FP-8]
! Call ffi_closure_sparc_inner to do the bulk of the work.
- mov %g1, %o0
- add %fp, STACK_BIAS-160, %o1
- add %fp, STACK_BIAS+128, %o2
- call ffi_closure_sparc_inner_v9
- add %fp, STACK_BIAS-128, %o3
-
- ! Load up the return value in the proper type.
- ! See ffi_prep_cif_machdep for the list of cases.
- cmp %o0, FFI_TYPE_VOID
- be,pn %icc, done1
-
- cmp %o0, FFI_TYPE_INT
- be,pn %icc, integer
-
- cmp %o0, FFI_TYPE_FLOAT
- be,a,pn %icc, done1
- ld [FP-160], %f0
-
- cmp %o0, FFI_TYPE_DOUBLE
- be,a,pn %icc, done1
- ldd [FP-160], %f0
-
-#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
- cmp %o0, FFI_TYPE_LONGDOUBLE
- be,a,pn %icc, longdouble1
- ldd [FP-160], %f0
-#endif
+ add %fp, STACK_BIAS-160, %o3
+ add %fp, STACK_BIAS+128, %o4
+ call C(ffi_closure_sparc_inner_v9)
+ add %fp, STACK_BIAS-128, %o5
+
+0: call 1f ! load pc in %o7
+ and %o0, SPARC_FLAG_RET_MASK, %o0
+1: sll %o0, 4, %o0 ! o2 = i2 * 16
+ add %o7, %o0, %o7 ! o7 = 0b + i2*16
+ jmp %o7+(2f-0b)
+ nop
- ! FFI_TYPE_STRUCT
- ldx [FP-152], %i1
- ldx [FP-144], %i2
- ldx [FP-136], %i3
+ ! Note that we cannot load the data in the delay slot of
+ ! the return insn because the data is in the stack frame
+ ! that is deallocated by the return.
+ .align 16
+2:
+E SPARC_RET_VOID
+ return %i7+8
+ nop
+E SPARC_RET_STRUCT
+ ldx [FP-160], %i0
ldd [FP-160], %f0
- ldd [FP-152], %f2
- ldd [FP-144], %f4
- ldd [FP-136], %f6
-
-integer:
+ b 8f
+ ldx [FP-152], %i1
+E SPARC_RET_UINT8
+ ldub [FP-160+7], %i0
+ return %i7+8
+ nop
+E SPARC_RET_SINT8
+ ldsb [FP-160+7], %i0
+ return %i7+8
+ nop
+E SPARC_RET_UINT16
+ lduh [FP-160+6], %i0
+ return %i7+8
+ nop
+E SPARC_RET_SINT16
+ ldsh [FP-160+6], %i0
+ return %i7+8
+ nop
+E SPARC_RET_UINT32
+ lduw [FP-160+4], %i0
+ return %i7+8
+ nop
+E SP_V9_RET_SINT32
+ ldsw [FP-160+4], %i0
+ return %i7+8
+ nop
+E SPARC_RET_INT64
ldx [FP-160], %i0
+ return %i7+8
+ nop
+E SPARC_RET_INT128
+ ldx [FP-160], %i0
+ ldx [FP-160+8], %i1
+ return %i7+8
+ nop
+E SPARC_RET_F_8
+ ld [FP-160+7*4], %f7
+ nop
+ ld [FP-160+6*4], %f6
+ nop
+E SPARC_RET_F_6
+ ld [FP-160+5*4], %f5
+ nop
+ ld [FP-160+4*4], %f4
+ nop
+E SPARC_RET_F_4
+ ldd [FP-160], %f0
+ ldd [FP-160+8], %f2
+ return %i7+8
+ nop
+E SPARC_RET_F_2
+ ldd [FP-160], %f0
+ return %i7+8
+ nop
+E SP_V9_RET_F_3
+ ld [FP-160+2*4], %f2
+ nop
+ ld [FP-160+1*4], %f1
+ nop
+E SPARC_RET_F_1
+ ld [FP-160], %f0
+ return %i7+8
+ nop
-done1:
- ret
- restore
-
-#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
-longdouble1:
- ldd [FP-152], %f2
- ret
- restore
-#endif
-.LLFE2:
-
-.ffi_closure_v9_end:
- .size ffi_closure_v9,.ffi_closure_v9_end-ffi_closure_v9
-
-#ifdef HAVE_RO_EH_FRAME
- .section ".eh_frame",#alloc
-#else
- .section ".eh_frame",#alloc,#write
-#endif
-.LLframe1:
- .uaword .LLECIE1-.LLSCIE1 ! Length of Common Information Entry
-.LLSCIE1:
- .uaword 0x0 ! CIE Identifier Tag
- .byte 0x1 ! CIE Version
- .ascii "zR\0" ! CIE Augmentation
- .byte 0x1 ! uleb128 0x1; CIE Code Alignment Factor
- .byte 0x78 ! sleb128 -8; CIE Data Alignment Factor
- .byte 0xf ! CIE RA Column
- .byte 0x1 ! uleb128 0x1; Augmentation size
-#ifdef HAVE_AS_SPARC_UA_PCREL
- .byte 0x1b ! FDE Encoding (pcrel sdata4)
-#else
- .byte 0x50 ! FDE Encoding (aligned absolute)
-#endif
- .byte 0xc ! DW_CFA_def_cfa
- .byte 0xe ! uleb128 0xe
- .byte 0xff,0xf ! uleb128 0x7ff
- .align 8
-.LLECIE1:
-.LLSFDE1:
- .uaword .LLEFDE1-.LLASFDE1 ! FDE Length
-.LLASFDE1:
- .uaword .LLASFDE1-.LLframe1 ! FDE CIE offset
-#ifdef HAVE_AS_SPARC_UA_PCREL
- .uaword %r_disp32(.LLFB1)
- .uaword .LLFE1-.LLFB1 ! FDE address range
-#else
- .align 8
- .xword .LLFB1
- .uaxword .LLFE1-.LLFB1 ! FDE address range
-#endif
- .byte 0x0 ! uleb128 0x0; Augmentation size
- .byte 0x4 ! DW_CFA_advance_loc4
- .uaword .LLCFI0-.LLFB1
- .byte 0xd ! DW_CFA_def_cfa_register
- .byte 0x1e ! uleb128 0x1e
- .byte 0x2d ! DW_CFA_GNU_window_save
- .byte 0x9 ! DW_CFA_register
- .byte 0xf ! uleb128 0xf
- .byte 0x1f ! uleb128 0x1f
- .align 8
-.LLEFDE1:
-.LLSFDE2:
- .uaword .LLEFDE2-.LLASFDE2 ! FDE Length
-.LLASFDE2:
- .uaword .LLASFDE2-.LLframe1 ! FDE CIE offset
-#ifdef HAVE_AS_SPARC_UA_PCREL
- .uaword %r_disp32(.LLFB2)
- .uaword .LLFE2-.LLFB2 ! FDE address range
-#else
- .align 8
- .xword .LLFB2
- .uaxword .LLFE2-.LLFB2 ! FDE address range
-#endif
- .byte 0x0 ! uleb128 0x0; Augmentation size
- .byte 0x4 ! DW_CFA_advance_loc4
- .uaword .LLCFI1-.LLFB2
- .byte 0xd ! DW_CFA_def_cfa_register
- .byte 0x1e ! uleb128 0x1e
- .byte 0x2d ! DW_CFA_GNU_window_save
- .byte 0x9 ! DW_CFA_register
- .byte 0xf ! uleb128 0xf
- .byte 0x1f ! uleb128 0x1f
- .align 8
-.LLEFDE2:
-#endif
+ ! Finish the SPARC_RET_STRUCT sequence.
+ .align 8
+8: ldd [FP-152], %f2
+ ldx [FP-144], %i2
+ ldd [FP-144], %f4
+ ldx [FP-136], %i3
+ ldd [FP-136], %f6
+ return %i7+8
+ nop
+ cfi_endproc
+ .size C(ffi_closure_v9), . - C(ffi_closure_v9)
+#endif /* SPARC64 */
#ifdef __linux__
.section .note.GNU-stack,"",@progbits
#endif
diff --git a/src/x86/ffi.c b/src/x86/ffi.c
index 006c95d..359a864 100644
--- a/src/x86/ffi.c
+++ b/src/x86/ffi.c
@@ -28,693 +28,441 @@
DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------- */
-#if !defined(__x86_64__) || defined(_WIN64) || defined(__CYGWIN__)
-
-#ifdef _WIN64
-#include <windows.h>
-#endif
-
+#ifndef __x86_64__
#include <ffi.h>
#include <ffi_common.h>
-
#include <stdlib.h>
-
-
-/* ffi_prep_args is called by the assembly routine once stack space
- has been allocated for the function's arguments */
-
-unsigned int ffi_prep_args(char *stack, extended_cif *ecif);
-unsigned int ffi_prep_args(char *stack, extended_cif *ecif)
-{
- register unsigned int i;
- register void **p_argv;
- register char *argp;
- register ffi_type **p_arg;
-#ifndef X86_WIN64
- const int cabi = ecif->cif->abi;
- const int dir = (cabi == FFI_PASCAL || cabi == FFI_REGISTER) ? -1 : +1;
- unsigned int stack_args_count = 0;
- void *p_stack_data[3];
- char *argp2 = stack;
+#include "internal.h"
+
+/* Force FFI_TYPE_LONGDOUBLE to be different than FFI_TYPE_DOUBLE;
+ all further uses in this file will refer to the 80-bit type. */
+#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
+# if FFI_TYPE_LONGDOUBLE != 4
+# error FFI_TYPE_LONGDOUBLE out of date
+# endif
#else
- #define dir 1
+# undef FFI_TYPE_LONGDOUBLE
+# define FFI_TYPE_LONGDOUBLE 4
#endif
- argp = stack;
-
- if ((ecif->cif->flags == FFI_TYPE_STRUCT
- || ecif->cif->flags == FFI_TYPE_MS_STRUCT)
-#ifdef X86_WIN64
- && ((ecif->cif->rtype->size & (1 | 2 | 4 | 8)) == 0)
-#endif
- )
- {
-#ifndef X86_WIN64
- /* For fastcall/thiscall/register this is first register-passed
- argument. */
- if (cabi == FFI_THISCALL || cabi == FFI_FASTCALL || cabi == FFI_REGISTER)
- {
- p_stack_data[stack_args_count] = argp;
- ++stack_args_count;
- }
+#if defined(__GNUC__) && !defined(__declspec)
+# define __declspec(x) __attribute__((x))
#endif
- *(void **) argp = ecif->rvalue;
- argp += sizeof(void*);
- }
-
- p_arg = ecif->cif->arg_types;
- p_argv = ecif->avalue;
- if (dir < 0)
- {
- const int nargs = ecif->cif->nargs - 1;
- if (nargs > 0)
- {
- p_arg += nargs;
- p_argv += nargs;
- }
- }
-
- for (i = ecif->cif->nargs;
- i != 0;
- i--, p_arg += dir, p_argv += dir)
- {
- /* Align if necessary */
- if ((sizeof(void*) - 1) & (size_t) argp)
- argp = (char *) ALIGN(argp, sizeof(void*));
-
- size_t z = (*p_arg)->size;
-
-#ifdef X86_WIN64
- if (z > FFI_SIZEOF_ARG
- || ((*p_arg)->type == FFI_TYPE_STRUCT
- && (z & (1 | 2 | 4 | 8)) == 0)
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
- || ((*p_arg)->type == FFI_TYPE_LONGDOUBLE)
-#endif
- )
- {
- z = FFI_SIZEOF_ARG;
- *(void **)argp = *p_argv;
- }
- else if ((*p_arg)->type == FFI_TYPE_FLOAT)
- {
- memcpy(argp, *p_argv, z);
- }
- else
-#endif
- if (z < FFI_SIZEOF_ARG)
- {
- z = FFI_SIZEOF_ARG;
- switch ((*p_arg)->type)
- {
- case FFI_TYPE_SINT8:
- *(ffi_sarg *) argp = (ffi_sarg)*(SINT8 *)(* p_argv);
- break;
-
- case FFI_TYPE_UINT8:
- *(ffi_arg *) argp = (ffi_arg)*(UINT8 *)(* p_argv);
- break;
-
- case FFI_TYPE_SINT16:
- *(ffi_sarg *) argp = (ffi_sarg)*(SINT16 *)(* p_argv);
- break;
-
- case FFI_TYPE_UINT16:
- *(ffi_arg *) argp = (ffi_arg)*(UINT16 *)(* p_argv);
- break;
-
- case FFI_TYPE_SINT32:
- *(ffi_sarg *) argp = (ffi_sarg)*(SINT32 *)(* p_argv);
- break;
-
- case FFI_TYPE_UINT32:
- *(ffi_arg *) argp = (ffi_arg)*(UINT32 *)(* p_argv);
- break;
-
- case FFI_TYPE_STRUCT:
- *(ffi_arg *) argp = *(ffi_arg *)(* p_argv);
- break;
-
- default:
- FFI_ASSERT(0);
- }
- }
- else
- {
- memcpy(argp, *p_argv, z);
- }
-
-#ifndef X86_WIN64
- /* For thiscall/fastcall/register convention register-passed arguments
- are the first two none-floating-point arguments with a size
- smaller or equal to sizeof (void*). */
- if ((z == FFI_SIZEOF_ARG)
- && ((cabi == FFI_REGISTER)
- || (cabi == FFI_THISCALL && stack_args_count < 1)
- || (cabi == FFI_FASTCALL && stack_args_count < 2))
- && ((*p_arg)->type != FFI_TYPE_FLOAT && (*p_arg)->type != FFI_TYPE_STRUCT)
- )
- {
- if (dir < 0 && stack_args_count > 2)
- {
- /* Iterating arguments backwards, so first register-passed argument
- will be passed last. Shift temporary values to make place. */
- p_stack_data[0] = p_stack_data[1];
- p_stack_data[1] = p_stack_data[2];
- stack_args_count = 2;
- }
-
- p_stack_data[stack_args_count] = argp;
- ++stack_args_count;
- }
-#endif
-
-#ifdef X86_WIN64
- argp += (z + sizeof(void*) - 1) & ~(sizeof(void*) - 1);
-#else
- argp += z;
-#endif
- }
+/* Perform machine dependent cif processing. */
+ffi_status FFI_HIDDEN
+ffi_prep_cif_machdep(ffi_cif *cif)
+{
+ size_t bytes = 0;
+ int i, n, flags, cabi = cif->abi;
-#ifndef X86_WIN64
- /* We need to move the register-passed arguments for thiscall/fastcall/register
- on top of stack, so that those can be moved to registers by call-handler. */
- if (stack_args_count > 0)
+ switch (cabi)
{
- if (dir < 0 && stack_args_count > 1)
- {
- /* Reverse order if iterating arguments backwards */
- ffi_arg tmp = *(ffi_arg*) p_stack_data[0];
- *(ffi_arg*) p_stack_data[0] = *(ffi_arg*) p_stack_data[stack_args_count - 1];
- *(ffi_arg*) p_stack_data[stack_args_count - 1] = tmp;
- }
-
- int i;
- for (i = 0; i < stack_args_count; i++)
- {
- if (p_stack_data[i] != argp2)
- {
- ffi_arg tmp = *(ffi_arg*) p_stack_data[i];
- memmove (argp2 + FFI_SIZEOF_ARG, argp2, (size_t) ((char*) p_stack_data[i] - (char*)argp2));
- *(ffi_arg *) argp2 = tmp;
- }
-
- argp2 += FFI_SIZEOF_ARG;
- }
+ case FFI_SYSV:
+ case FFI_STDCALL:
+ case FFI_THISCALL:
+ case FFI_FASTCALL:
+ case FFI_MS_CDECL:
+ case FFI_PASCAL:
+ case FFI_REGISTER:
+ break;
+ default:
+ return FFI_BAD_ABI;
}
- return stack_args_count;
-#endif
- return 0;
-}
-
-/* Perform machine dependent cif processing */
-ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
-{
- unsigned int i;
- ffi_type **ptr;
-
- /* Set the return type flag */
switch (cif->rtype->type)
{
case FFI_TYPE_VOID:
+ flags = X86_RET_VOID;
+ break;
+ case FFI_TYPE_FLOAT:
+ flags = X86_RET_FLOAT;
+ break;
+ case FFI_TYPE_DOUBLE:
+ flags = X86_RET_DOUBLE;
+ break;
+ case FFI_TYPE_LONGDOUBLE:
+ flags = X86_RET_LDOUBLE;
+ break;
case FFI_TYPE_UINT8:
+ flags = X86_RET_UINT8;
+ break;
case FFI_TYPE_UINT16:
+ flags = X86_RET_UINT16;
+ break;
case FFI_TYPE_SINT8:
+ flags = X86_RET_SINT8;
+ break;
case FFI_TYPE_SINT16:
-#ifdef X86_WIN64
- case FFI_TYPE_UINT32:
+ flags = X86_RET_SINT16;
+ break;
+ case FFI_TYPE_INT:
case FFI_TYPE_SINT32:
-#endif
- case FFI_TYPE_SINT64:
- case FFI_TYPE_FLOAT:
- case FFI_TYPE_DOUBLE:
-#ifndef X86_WIN64
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
- case FFI_TYPE_LONGDOUBLE:
-#endif
-#endif
- cif->flags = (unsigned) cif->rtype->type;
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_POINTER:
+ flags = X86_RET_INT32;
break;
-
+ case FFI_TYPE_SINT64:
case FFI_TYPE_UINT64:
-#ifdef X86_WIN64
- case FFI_TYPE_POINTER:
-#endif
- cif->flags = FFI_TYPE_SINT64;
+ flags = X86_RET_INT64;
break;
-
case FFI_TYPE_STRUCT:
#ifndef X86
+ /* ??? This should be a different ABI rather than an ifdef. */
if (cif->rtype->size == 1)
- {
- cif->flags = FFI_TYPE_SMALL_STRUCT_1B; /* same as char size */
- }
+ flags = X86_RET_STRUCT_1B;
else if (cif->rtype->size == 2)
- {
- cif->flags = FFI_TYPE_SMALL_STRUCT_2B; /* same as short size */
- }
+ flags = X86_RET_STRUCT_2B;
else if (cif->rtype->size == 4)
- {
-#ifdef X86_WIN64
- cif->flags = FFI_TYPE_SMALL_STRUCT_4B;
-#else
- cif->flags = FFI_TYPE_INT; /* same as int type */
-#endif
- }
+ flags = X86_RET_INT32;
else if (cif->rtype->size == 8)
- {
- cif->flags = FFI_TYPE_SINT64; /* same as int64 type */
- }
+ flags = X86_RET_INT64;
else
#endif
- {
-#ifdef X86_WIN32
- if (cif->abi == FFI_MS_CDECL)
- cif->flags = FFI_TYPE_MS_STRUCT;
- else
-#endif
- cif->flags = FFI_TYPE_STRUCT;
- /* allocate space for return value pointer */
- cif->bytes += ALIGN(sizeof(void*), FFI_SIZEOF_ARG);
- }
+ {
+ do_struct:
+ switch (cabi)
+ {
+ case FFI_THISCALL:
+ case FFI_FASTCALL:
+ case FFI_STDCALL:
+ case FFI_MS_CDECL:
+ flags = X86_RET_STRUCTARG;
+ break;
+ default:
+ flags = X86_RET_STRUCTPOP;
+ break;
+ }
+ /* Allocate space for return value pointer. */
+ bytes += ALIGN (sizeof(void*), FFI_SIZEOF_ARG);
+ }
break;
-
- default:
-#ifdef X86_WIN64
- cif->flags = FFI_TYPE_SINT64;
- break;
- case FFI_TYPE_INT:
- cif->flags = FFI_TYPE_SINT32;
-#else
- cif->flags = FFI_TYPE_INT;
-#endif
+ case FFI_TYPE_COMPLEX:
+ switch (cif->rtype->elements[0]->type)
+ {
+ case FFI_TYPE_DOUBLE:
+ case FFI_TYPE_LONGDOUBLE:
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_UINT64:
+ goto do_struct;
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_INT:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_UINT32:
+ flags = X86_RET_INT64;
+ break;
+ case FFI_TYPE_SINT16:
+ case FFI_TYPE_UINT16:
+ flags = X86_RET_INT32;
+ break;
+ case FFI_TYPE_SINT8:
+ case FFI_TYPE_UINT8:
+ flags = X86_RET_STRUCT_2B;
+ break;
+ default:
+ return FFI_BAD_TYPEDEF;
+ }
break;
+ default:
+ return FFI_BAD_TYPEDEF;
}
+ cif->flags = flags;
- for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++)
+ for (i = 0, n = cif->nargs; i < n; i++)
{
- if (((*ptr)->alignment - 1) & cif->bytes)
- cif->bytes = ALIGN(cif->bytes, (*ptr)->alignment);
- cif->bytes += (unsigned)ALIGN((*ptr)->size, FFI_SIZEOF_ARG);
- }
+ ffi_type *t = cif->arg_types[i];
-#ifdef X86_WIN64
- /* ensure space for storing four registers */
- cif->bytes += 4 * FFI_SIZEOF_ARG;
-#endif
-
-#ifndef X86_WIN32
-#ifndef X86_WIN64
- if (cif->abi == FFI_SYSV || cif->abi == FFI_UNIX64)
-#endif
- cif->bytes = (cif->bytes + 15) & ~0xF;
-#endif
+ bytes = ALIGN (bytes, t->alignment);
+ bytes += ALIGN (t->size, FFI_SIZEOF_ARG);
+ }
+ cif->bytes = ALIGN (bytes, 16);
return FFI_OK;
}
-#ifdef X86_WIN64
-extern int
-ffi_call_win64(unsigned int (*)(char *, extended_cif *), extended_cif *,
- unsigned, unsigned, unsigned *, void (*fn)(void));
-#else
-extern void
-ffi_call_win32(unsigned int (*)(char *, extended_cif *), extended_cif *,
- unsigned, unsigned, unsigned, unsigned *, void (*fn)(void));
-extern void ffi_call_SYSV(void (*)(char *, extended_cif *), extended_cif *,
- unsigned, unsigned, unsigned *, void (*fn)(void));
-#endif
-
-void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
+static ffi_arg
+extend_basic_type(void *arg, int type)
{
- extended_cif ecif;
-
- ecif.cif = cif;
- ecif.avalue = avalue;
-
- /* If the return value is a struct and we don't have a return */
- /* value address then we need to make one */
-
-#ifdef X86_WIN64
- if (rvalue == NULL
- && cif->flags == FFI_TYPE_STRUCT
- && ((cif->rtype->size & (1 | 2 | 4 | 8)) == 0))
+ switch (type)
{
- ecif.rvalue = alloca((cif->rtype->size + 0xF) & ~0xF);
- }
-#else
- if (rvalue == NULL
- && (cif->flags == FFI_TYPE_STRUCT
- || cif->flags == FFI_TYPE_MS_STRUCT))
- {
- ecif.rvalue = alloca(cif->rtype->size);
- }
-#endif
- else
- ecif.rvalue = rvalue;
-
-
- switch (cif->abi)
- {
-#ifdef X86_WIN64
- case FFI_WIN64:
- ffi_call_win64(ffi_prep_args, &ecif, cif->bytes,
- cif->flags, ecif.rvalue, fn);
- break;
-#else
-#ifndef X86_WIN32
- case FFI_SYSV:
- ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes, cif->flags, ecif.rvalue,
- fn);
- break;
-#else
- case FFI_SYSV:
- case FFI_MS_CDECL:
-#endif
- case FFI_STDCALL:
- case FFI_THISCALL:
- case FFI_FASTCALL:
- case FFI_PASCAL:
- case FFI_REGISTER:
- ffi_call_win32(ffi_prep_args, &ecif, cif->abi, cif->bytes, cif->flags,
- ecif.rvalue, fn);
- break;
-#endif
- default:
- FFI_ASSERT(0);
- break;
- }
-}
-
-
-/** private members **/
+ case FFI_TYPE_SINT8:
+ return *(SINT8 *)arg;
+ case FFI_TYPE_UINT8:
+ return *(UINT8 *)arg;
+ case FFI_TYPE_SINT16:
+ return *(SINT16 *)arg;
+ case FFI_TYPE_UINT16:
+ return *(UINT16 *)arg;
-/* The following __attribute__((regparm(1))) decorations will have no effect
- on MSVC or SUNPRO_C -- standard conventions apply. */
-static unsigned int ffi_prep_incoming_args (char *stack, void **ret,
- void** args, ffi_cif* cif);
-void FFI_HIDDEN ffi_closure_SYSV (ffi_closure *)
- __attribute__ ((regparm(1)));
-unsigned int FFI_HIDDEN ffi_closure_SYSV_inner (ffi_closure *, void **, void *)
- __attribute__ ((regparm(1)));
-unsigned int FFI_HIDDEN ffi_closure_WIN32_inner (ffi_closure *, void **, void *)
- __attribute__ ((regparm(1)));
-void FFI_HIDDEN ffi_closure_raw_SYSV (ffi_raw_closure *)
- __attribute__ ((regparm(1)));
-#ifdef X86_WIN32
-void FFI_HIDDEN ffi_closure_raw_THISCALL (ffi_raw_closure *)
- __attribute__ ((regparm(1)));
-#endif
-#ifndef X86_WIN64
-void FFI_HIDDEN ffi_closure_STDCALL (ffi_closure *);
-void FFI_HIDDEN ffi_closure_THISCALL (ffi_closure *);
-void FFI_HIDDEN ffi_closure_FASTCALL (ffi_closure *);
-void FFI_HIDDEN ffi_closure_REGISTER (ffi_closure *);
-#else
-void FFI_HIDDEN ffi_closure_win64 (ffi_closure *);
-#endif
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_POINTER:
+ case FFI_TYPE_FLOAT:
+ return *(UINT32 *)arg;
-/* This function is jumped to by the trampoline */
-
-#ifdef X86_WIN64
-void * FFI_HIDDEN
-ffi_closure_win64_inner (ffi_closure *closure, void *args) {
- ffi_cif *cif;
- void **arg_area;
- void *result;
- void *resp = &result;
-
- cif = closure->cif;
- arg_area = (void**) alloca (cif->nargs * sizeof (void*));
-
- /* this call will initialize ARG_AREA, such that each
- * element in that array points to the corresponding
- * value on the stack; and if the function returns
- * a structure, it will change RESP to point to the
- * structure return address. */
-
- ffi_prep_incoming_args(args, &resp, arg_area, cif);
-
- (closure->fun) (cif, resp, arg_area, closure->user_data);
-
- /* The result is returned in rax. This does the right thing for
- result types except for floats; we have to 'mov xmm0, rax' in the
- caller to correct this.
- TODO: structure sizes of 3 5 6 7 are returned by reference, too!!!
- */
- return cif->rtype->size > sizeof(void *) ? resp : *(void **)resp;
+ default:
+ abort();
+ }
}
-#else
-unsigned int FFI_HIDDEN __attribute__ ((regparm(1)))
-ffi_closure_SYSV_inner (ffi_closure *closure, void **respp, void *args)
+struct call_frame
+{
+ void *ebp; /* 0 */
+ void *retaddr; /* 4 */
+ void (*fn)(void); /* 8 */
+ int flags; /* 12 */
+ void *rvalue; /* 16 */
+ unsigned regs[3]; /* 20-28 */
+};
+
+struct abi_params
+{
+ int dir; /* parameter growth direction */
+ int static_chain; /* the static chain register used by gcc */
+ int nregs; /* number of register parameters */
+ int regs[3];
+};
+
+static const struct abi_params abi_params[FFI_LAST_ABI] = {
+ [FFI_SYSV] = { 1, R_ECX, 0 },
+ [FFI_THISCALL] = { 1, R_EAX, 1, { R_ECX } },
+ [FFI_FASTCALL] = { 1, R_EAX, 2, { R_ECX, R_EDX } },
+ [FFI_STDCALL] = { 1, R_ECX, 0 },
+ [FFI_PASCAL] = { -1, R_ECX, 0 },
+ /* ??? No defined static chain; gcc does not support REGISTER. */
+ [FFI_REGISTER] = { -1, R_ECX, 3, { R_EAX, R_EDX, R_ECX } },
+ [FFI_MS_CDECL] = { 1, R_ECX, 0 }
+};
+
+extern void ffi_call_i386(struct call_frame *, char *)
+ FFI_HIDDEN __declspec(fastcall);
+
+static void
+ffi_call_int (ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure)
{
- /* our various things... */
- ffi_cif *cif;
- void **arg_area;
+ size_t rsize, bytes;
+ struct call_frame *frame;
+ char *stack, *argp;
+ ffi_type **arg_types;
+ int flags, cabi, i, n, dir, narg_reg;
+ const struct abi_params *pabi;
+
+ flags = cif->flags;
+ cabi = cif->abi;
+ pabi = &abi_params[cabi];
+ dir = pabi->dir;
+
+ rsize = 0;
+ if (rvalue == NULL)
+ {
+ switch (flags)
+ {
+ case X86_RET_FLOAT:
+ case X86_RET_DOUBLE:
+ case X86_RET_LDOUBLE:
+ case X86_RET_STRUCTPOP:
+ case X86_RET_STRUCTARG:
+ /* The float cases need to pop the 387 stack.
+ The struct cases need to pass a valid pointer to the callee. */
+ rsize = cif->rtype->size;
+ break;
+ default:
+ /* We can pretend that the callee returns nothing. */
+ flags = X86_RET_VOID;
+ break;
+ }
+ }
- cif = closure->cif;
- arg_area = (void**) alloca (cif->nargs * sizeof (void*));
+ bytes = cif->bytes;
+ stack = alloca(bytes + sizeof(*frame) + rsize);
+ argp = (dir < 0 ? stack + bytes : stack);
+ frame = (struct call_frame *)(stack + bytes);
+ if (rsize)
+ rvalue = frame + 1;
- /* this call will initialize ARG_AREA, such that each
- * element in that array points to the corresponding
- * value on the stack; and if the function returns
- * a structure, it will change RESP to point to the
- * structure return address. */
+ frame->fn = fn;
+ frame->flags = flags;
+ frame->rvalue = rvalue;
+ frame->regs[pabi->static_chain] = (unsigned)closure;
+
+ narg_reg = 0;
+ switch (flags)
+ {
+ case X86_RET_STRUCTARG:
+ /* The pointer is passed as the first argument. */
+ if (pabi->nregs > 0)
+ {
+ frame->regs[pabi->regs[0]] = (unsigned)rvalue;
+ narg_reg = 1;
+ break;
+ }
+ /* fallthru */
+ case X86_RET_STRUCTPOP:
+ *(void **)argp = rvalue;
+ argp += sizeof(void *);
+ break;
+ }
- ffi_prep_incoming_args(args, respp, arg_area, cif);
+ arg_types = cif->arg_types;
+ for (i = 0, n = cif->nargs; i < n; i++)
+ {
+ ffi_type *ty = arg_types[i];
+ void *valp = avalue[i];
+ size_t z = ty->size;
+ int t = ty->type;
- (closure->fun) (cif, *respp, arg_area, closure->user_data);
+ if (z <= FFI_SIZEOF_ARG && t != FFI_TYPE_STRUCT)
+ {
+ ffi_arg val = extend_basic_type (valp, t);
+
+ if (t != FFI_TYPE_FLOAT && narg_reg < pabi->nregs)
+ frame->regs[pabi->regs[narg_reg++]] = val;
+ else if (dir < 0)
+ {
+ argp -= 4;
+ *(ffi_arg *)argp = val;
+ }
+ else
+ {
+ *(ffi_arg *)argp = val;
+ argp += 4;
+ }
+ }
+ else
+ {
+ size_t za = ALIGN (z, FFI_SIZEOF_ARG);
+ if (dir < 0)
+ {
+ argp -= za;
+ memcpy (argp, valp, z);
+ }
+ else
+ {
+ memcpy (argp, valp, z);
+ argp += za;
+ }
+ }
+ }
+ FFI_ASSERT (dir > 0 || argp == stack);
- return cif->flags;
+ ffi_call_i386 (frame, stack);
}
-unsigned int FFI_HIDDEN __attribute__ ((regparm(1)))
-ffi_closure_WIN32_inner (ffi_closure *closure, void **respp, void *args)
+void
+ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
{
- /* our various things... */
- ffi_cif *cif;
- void **arg_area;
- unsigned int ret;
-
- cif = closure->cif;
- arg_area = (void**) alloca (cif->nargs * sizeof (void*));
-
- /* this call will initialize ARG_AREA, such that each
- * element in that array points to the corresponding
- * value on the stack; and if the function returns
- * a structure, it will change RESP to point to the
- * structure return address. */
-
- ret = ffi_prep_incoming_args(args, respp, arg_area, cif);
-
- (closure->fun) (cif, *respp, arg_area, closure->user_data);
-
- return ret;
+ ffi_call_int (cif, fn, rvalue, avalue, NULL);
}
-#endif /* !X86_WIN64 */
-static unsigned int
-ffi_prep_incoming_args(char *stack, void **rvalue, void **avalue,
- ffi_cif *cif)
+void
+ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure)
{
- register unsigned int i;
- register void **p_argv;
- register char *argp;
- register ffi_type **p_arg;
-#ifndef X86_WIN64
- const int cabi = cif->abi;
- const int dir = (cabi == FFI_PASCAL || cabi == FFI_REGISTER) ? -1 : +1;
- const unsigned int max_stack_count = (cabi == FFI_THISCALL) ? 1
- : (cabi == FFI_FASTCALL) ? 2
- : (cabi == FFI_REGISTER) ? 3
- : 0;
- unsigned int passed_regs = 0;
- void *p_stack_data[3] = { stack - 1 };
-#else
- #define dir 1
-#endif
+ ffi_call_int (cif, fn, rvalue, avalue, closure);
+}
- argp = stack;
-#ifndef X86_WIN64
- argp += max_stack_count * FFI_SIZEOF_ARG;
-#endif
+/** private members **/
- if ((cif->flags == FFI_TYPE_STRUCT
- || cif->flags == FFI_TYPE_MS_STRUCT)
-#ifdef X86_WIN64
- && ((cif->rtype->size & (1 | 2 | 4 | 8)) == 0)
-#endif
- )
- {
-#ifndef X86_WIN64
- if (passed_regs < max_stack_count)
- {
- *rvalue = *(void**) (stack + (passed_regs*FFI_SIZEOF_ARG));
- ++passed_regs;
- }
- else
-#endif
- {
- *rvalue = *(void **) argp;
- argp += sizeof(void *);
- }
- }
+void FFI_HIDDEN ffi_closure_i386(void);
+void FFI_HIDDEN ffi_closure_STDCALL(void);
+void FFI_HIDDEN ffi_closure_REGISTER(void);
-#ifndef X86_WIN64
- /* Do register arguments first */
- for (i = 0, p_arg = cif->arg_types;
- i < cif->nargs && passed_regs < max_stack_count;
- i++, p_arg++)
+struct closure_frame
+{
+ unsigned rettemp[4]; /* 0 */
+ unsigned regs[3]; /* 16-24 */
+ ffi_cif *cif; /* 28 */
+ void (*fun)(ffi_cif*,void*,void**,void*); /* 32 */
+ void *user_data; /* 36 */
+};
+
+int FFI_HIDDEN __declspec(fastcall)
+ffi_closure_inner (struct closure_frame *frame, char *stack)
+{
+ ffi_cif *cif = frame->cif;
+ int cabi, i, n, flags, dir, narg_reg;
+ const struct abi_params *pabi;
+ ffi_type **arg_types;
+ char *argp;
+ void *rvalue;
+ void **avalue;
+
+ cabi = cif->abi;
+ flags = cif->flags;
+ narg_reg = 0;
+ rvalue = frame->rettemp;
+ pabi = &abi_params[cabi];
+ dir = pabi->dir;
+ argp = (dir < 0 ? stack + cif->bytes : stack);
+
+ switch (flags)
{
- if ((*p_arg)->type == FFI_TYPE_FLOAT
- || (*p_arg)->type == FFI_TYPE_STRUCT)
- continue;
-
- size_t sz = (*p_arg)->size;
- if(sz == 0 || sz > FFI_SIZEOF_ARG)
- continue;
-
- p_stack_data[passed_regs] = avalue + i;
- avalue[i] = stack + (passed_regs*FFI_SIZEOF_ARG);
- ++passed_regs;
+ case X86_RET_STRUCTARG:
+ if (pabi->nregs > 0)
+ {
+ rvalue = (void *)frame->regs[pabi->regs[0]];
+ narg_reg = 1;
+ frame->rettemp[0] = (unsigned)rvalue;
+ break;
+ }
+ /* fallthru */
+ case X86_RET_STRUCTPOP:
+ rvalue = *(void **)argp;
+ argp += sizeof(void *);
+ break;
}
-#endif
- p_arg = cif->arg_types;
- p_argv = avalue;
- if (dir < 0)
- {
- const int nargs = cif->nargs - 1;
- if (nargs > 0)
- {
- p_arg += nargs;
- p_argv += nargs;
- }
- }
+ n = cif->nargs;
+ avalue = alloca(sizeof(void *) * n);
- for (i = cif->nargs;
- i != 0;
- i--, p_arg += dir, p_argv += dir)
+ arg_types = cif->arg_types;
+ for (i = 0; i < n; ++i)
{
- /* Align if necessary */
- if ((sizeof(void*) - 1) & (size_t) argp)
- argp = (char *) ALIGN(argp, sizeof(void*));
-
- size_t z = (*p_arg)->size;
-
-#ifdef X86_WIN64
- if (z > FFI_SIZEOF_ARG
- || ((*p_arg)->type == FFI_TYPE_STRUCT
- && (z & (1 | 2 | 4 | 8)) == 0)
-#if FFI_TYPE_DOUBLE != FFI_TYPE_LONGDOUBLE
- || ((*p_arg)->type == FFI_TYPE_LONGDOUBLE)
-#endif
- )
- {
- z = FFI_SIZEOF_ARG;
- *p_argv = *(void **)argp;
- }
+ size_t z = arg_types[i]->size;
+ int t = arg_types[i]->type;
+ void *valp;
+
+ if (z <= FFI_SIZEOF_ARG && t != FFI_TYPE_STRUCT)
+ {
+ if (t != FFI_TYPE_FLOAT && narg_reg < pabi->nregs)
+ valp = &frame->regs[pabi->regs[narg_reg++]];
+ else if (dir < 0)
+ {
+ argp -= 4;
+ valp = argp;
+ }
+ else
+ {
+ valp = argp;
+ argp += 4;
+ }
+ }
else
-#else
- if (passed_regs > 0
- && z <= FFI_SIZEOF_ARG
- && (p_argv == p_stack_data[0]
- || p_argv == p_stack_data[1]
- || p_argv == p_stack_data[2]))
- {
- /* Already assigned a register value */
- continue;
- }
- else
-#endif
- {
- /* because we're little endian, this is what it turns into. */
- *p_argv = (void*) argp;
- }
-
-#ifdef X86_WIN64
- argp += (z + sizeof(void*) - 1) & ~(sizeof(void*) - 1);
-#else
- argp += z;
-#endif
+ {
+ size_t za = ALIGN (z, FFI_SIZEOF_ARG);
+ if (dir < 0)
+ {
+ argp -= za;
+ valp = argp;
+ }
+ else
+ {
+ valp = argp;
+ argp += za;
+ }
+ }
+
+ avalue[i] = valp;
}
- return (size_t)argp - (size_t)stack;
-}
+ frame->fun (cif, rvalue, avalue, frame->user_data);
-#define FFI_INIT_TRAMPOLINE_WIN64(TRAMP,FUN,CTX,MASK) \
-{ unsigned char *__tramp = (unsigned char*)(TRAMP); \
- void* __fun = (void*)(FUN); \
- void* __ctx = (void*)(CTX); \
- *(unsigned char*) &__tramp[0] = 0x41; \
- *(unsigned char*) &__tramp[1] = 0xbb; \
- *(unsigned int*) &__tramp[2] = MASK; /* mov $mask, %r11 */ \
- *(unsigned char*) &__tramp[6] = 0x48; \
- *(unsigned char*) &__tramp[7] = 0xb8; \
- *(void**) &__tramp[8] = __ctx; /* mov __ctx, %rax */ \
- *(unsigned char *) &__tramp[16] = 0x49; \
- *(unsigned char *) &__tramp[17] = 0xba; \
- *(void**) &__tramp[18] = __fun; /* mov __fun, %r10 */ \
- *(unsigned char *) &__tramp[26] = 0x41; \
- *(unsigned char *) &__tramp[27] = 0xff; \
- *(unsigned char *) &__tramp[28] = 0xe2; /* jmp %r10 */ \
- }
-
-/* How to make a trampoline. Derived from gcc/config/i386/i386.c. */
-
-#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX) \
-{ unsigned char *__tramp = (unsigned char*)(TRAMP); \
- unsigned int __fun = (unsigned int)(FUN); \
- unsigned int __ctx = (unsigned int)(CTX); \
- unsigned int __dis = __fun - (__ctx + 10); \
- *(unsigned char*) &__tramp[0] = 0xb8; \
- *(unsigned int*) &__tramp[1] = __ctx; /* movl __ctx, %eax */ \
- *(unsigned char*) &__tramp[5] = 0xe9; \
- *(unsigned int*) &__tramp[6] = __dis; /* jmp __fun */ \
- }
-
-#define FFI_INIT_TRAMPOLINE_RAW_THISCALL(TRAMP,FUN,CTX,SIZE) \
-{ unsigned char *__tramp = (unsigned char*)(TRAMP); \
- unsigned int __fun = (unsigned int)(FUN); \
- unsigned int __ctx = (unsigned int)(CTX); \
- unsigned int __dis = __fun - (__ctx + 49); \
- unsigned short __size = (unsigned short)(SIZE); \
- *(unsigned int *) &__tramp[0] = 0x8324048b; /* mov (%esp), %eax */ \
- *(unsigned int *) &__tramp[4] = 0x4c890cec; /* sub $12, %esp */ \
- *(unsigned int *) &__tramp[8] = 0x04890424; /* mov %ecx, 4(%esp) */ \
- *(unsigned char*) &__tramp[12] = 0x24; /* mov %eax, (%esp) */ \
- *(unsigned char*) &__tramp[13] = 0xb8; \
- *(unsigned int *) &__tramp[14] = __size; /* mov __size, %eax */ \
- *(unsigned int *) &__tramp[18] = 0x08244c8d; /* lea 8(%esp), %ecx */ \
- *(unsigned int *) &__tramp[22] = 0x4802e8c1; /* shr $2, %eax ; dec %eax */ \
- *(unsigned short*) &__tramp[26] = 0x0b74; /* jz 1f */ \
- *(unsigned int *) &__tramp[28] = 0x8908518b; /* 2b: mov 8(%ecx), %edx */ \
- *(unsigned int *) &__tramp[32] = 0x04c18311; /* mov %edx, (%ecx) ; add $4, %ecx */ \
- *(unsigned char*) &__tramp[36] = 0x48; /* dec %eax */ \
- *(unsigned short*) &__tramp[37] = 0xf575; /* jnz 2b ; 1f: */ \
- *(unsigned char*) &__tramp[39] = 0xb8; \
- *(unsigned int*) &__tramp[40] = __ctx; /* movl __ctx, %eax */ \
- *(unsigned char *) &__tramp[44] = 0xe8; \
- *(unsigned int*) &__tramp[45] = __dis; /* call __fun */ \
- *(unsigned char*) &__tramp[49] = 0xc2; /* ret */ \
- *(unsigned short*) &__tramp[50] = (__size + 8); /* ret (__size + 8) */ \
- }
-
-#define FFI_INIT_TRAMPOLINE_WIN32(TRAMP,FUN,CTX) \
-{ unsigned char *__tramp = (unsigned char*)(TRAMP); \
- unsigned int __fun = (unsigned int)(FUN); \
- unsigned int __ctx = (unsigned int)(CTX); \
- unsigned int __dis = __fun - (__ctx + 10); \
- *(unsigned char*) &__tramp[0] = 0x68; \
- *(unsigned int*) &__tramp[1] = __ctx; /* push __ctx */ \
- *(unsigned char*) &__tramp[5] = 0xe9; \
- *(unsigned int*) &__tramp[6] = __dis; /* jmp __fun */ \
- }
-
-/* the cif must already be prep'ed */
+ if (cabi == FFI_STDCALL)
+ return flags + (cif->bytes << X86_RET_POP_SHIFT);
+ else
+ return flags;
+}
ffi_status
ffi_prep_closure_loc (ffi_closure* closure,
@@ -723,65 +471,76 @@ ffi_prep_closure_loc (ffi_closure* closure,
void *user_data,
void *codeloc)
{
-#ifdef X86_WIN64
-#define ISFLOAT(IDX) (cif->arg_types[IDX]->type == FFI_TYPE_FLOAT || cif->arg_types[IDX]->type == FFI_TYPE_DOUBLE)
-#define FLAG(IDX) (cif->nargs>(IDX)&&ISFLOAT(IDX)?(1<<(IDX)):0)
- if (cif->abi == FFI_WIN64)
- {
- int mask = FLAG(0)|FLAG(1)|FLAG(2)|FLAG(3);
- FFI_INIT_TRAMPOLINE_WIN64 (&closure->tramp[0],
- &ffi_closure_win64,
- codeloc, mask);
- /* make sure we can execute here */
- }
-#else
- if (cif->abi == FFI_SYSV)
- {
- FFI_INIT_TRAMPOLINE (&closure->tramp[0],
- &ffi_closure_SYSV,
- (void*)codeloc);
- }
- else if (cif->abi == FFI_REGISTER)
- {
- FFI_INIT_TRAMPOLINE_WIN32 (&closure->tramp[0],
- &ffi_closure_REGISTER,
- (void*)codeloc);
- }
- else if (cif->abi == FFI_FASTCALL)
- {
- FFI_INIT_TRAMPOLINE_WIN32 (&closure->tramp[0],
- &ffi_closure_FASTCALL,
- (void*)codeloc);
- }
- else if (cif->abi == FFI_THISCALL)
- {
- FFI_INIT_TRAMPOLINE_WIN32 (&closure->tramp[0],
- &ffi_closure_THISCALL,
- (void*)codeloc);
- }
- else if (cif->abi == FFI_STDCALL || cif->abi == FFI_PASCAL)
- {
- FFI_INIT_TRAMPOLINE_WIN32 (&closure->tramp[0],
- &ffi_closure_STDCALL,
- (void*)codeloc);
- }
-#ifdef X86_WIN32
- else if (cif->abi == FFI_MS_CDECL)
+ char *tramp = closure->tramp;
+ void (*dest)(void);
+ int op = 0xb8; /* movl imm, %eax */
+
+ switch (cif->abi)
{
- FFI_INIT_TRAMPOLINE (&closure->tramp[0],
- &ffi_closure_SYSV,
- (void*)codeloc);
+ case FFI_SYSV:
+ case FFI_THISCALL:
+ case FFI_FASTCALL:
+ case FFI_MS_CDECL:
+ dest = ffi_closure_i386;
+ break;
+ case FFI_STDCALL:
+ case FFI_PASCAL:
+ dest = ffi_closure_STDCALL;
+ break;
+ case FFI_REGISTER:
+ dest = ffi_closure_REGISTER;
+ op = 0x68; /* pushl imm */
+ default:
+ return FFI_BAD_ABI;
}
-#endif /* X86_WIN32 */
-#endif /* !X86_WIN64 */
- else
+
+ /* movl or pushl immediate. */
+ tramp[0] = op;
+ *(void **)(tramp + 1) = codeloc;
+
+ /* jmp dest */
+ tramp[5] = 0xe9;
+ *(unsigned *)(tramp + 6) = (unsigned)dest - ((unsigned)codeloc + 10);
+
+ closure->cif = cif;
+ closure->fun = fun;
+ closure->user_data = user_data;
+
+ return FFI_OK;
+}
+
+void FFI_HIDDEN ffi_go_closure_EAX(void);
+void FFI_HIDDEN ffi_go_closure_ECX(void);
+void FFI_HIDDEN ffi_go_closure_STDCALL(void);
+
+ffi_status
+ffi_prep_go_closure (ffi_go_closure* closure, ffi_cif* cif,
+ void (*fun)(ffi_cif*,void*,void**,void*))
+{
+ void (*dest)(void);
+
+ switch (cif->abi)
{
+ case FFI_SYSV:
+ case FFI_MS_CDECL:
+ dest = ffi_go_closure_ECX;
+ break;
+ case FFI_THISCALL:
+ case FFI_FASTCALL:
+ dest = ffi_go_closure_ECX;
+ break;
+ case FFI_STDCALL:
+ case FFI_PASCAL:
+ dest = ffi_go_closure_STDCALL;
+ break;
+ case FFI_REGISTER:
+ default:
return FFI_BAD_ABI;
}
-
- closure->cif = cif;
- closure->user_data = user_data;
- closure->fun = fun;
+
+ closure->tramp = dest;
+ closure->cif = cif;
+ closure->fun = fun;
return FFI_OK;
}
@@ -790,142 +549,145 @@ ffi_prep_closure_loc (ffi_closure* closure,
#if !FFI_NO_RAW_API
+void FFI_HIDDEN ffi_closure_raw_SYSV(void);
+void FFI_HIDDEN ffi_closure_raw_THISCALL(void);
+
ffi_status
-ffi_prep_raw_closure_loc (ffi_raw_closure* closure,
- ffi_cif* cif,
+ffi_prep_raw_closure_loc (ffi_raw_closure *closure,
+ ffi_cif *cif,
void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
void *user_data,
void *codeloc)
{
+ char *tramp = closure->tramp;
+ void (*dest)(void);
int i;
- if (cif->abi != FFI_SYSV
-#ifdef X86_WIN32
- && cif->abi != FFI_THISCALL
-#endif
- )
- return FFI_BAD_ABI;
-
- /* we currently don't support certain kinds of arguments for raw
+ /* We currently don't support certain kinds of arguments for raw
closures. This should be implemented by a separate assembly
language routine, since it would require argument processing,
something we don't do now for performance. */
-
for (i = cif->nargs-1; i >= 0; i--)
+ switch (cif->arg_types[i]->type)
+ {
+ case FFI_TYPE_STRUCT:
+ case FFI_TYPE_LONGDOUBLE:
+ return FFI_BAD_TYPEDEF;
+ }
+
+ switch (cif->abi)
{
- FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_STRUCT);
- FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_LONGDOUBLE);
- }
-
-#ifdef X86_WIN32
- if (cif->abi == FFI_SYSV)
- {
-#endif
- FFI_INIT_TRAMPOLINE (&closure->tramp[0], &ffi_closure_raw_SYSV,
- codeloc);
-#ifdef X86_WIN32
- }
- else if (cif->abi == FFI_THISCALL)
- {
- FFI_INIT_TRAMPOLINE_RAW_THISCALL (&closure->tramp[0], &ffi_closure_raw_THISCALL, codeloc, cif->bytes);
+ case FFI_THISCALL:
+ dest = ffi_closure_raw_THISCALL;
+ break;
+ case FFI_SYSV:
+ dest = ffi_closure_raw_SYSV;
+ break;
+ default:
+ return FFI_BAD_ABI;
}
-#endif
- closure->cif = cif;
- closure->user_data = user_data;
- closure->fun = fun;
-
- return FFI_OK;
-}
-static unsigned int
-ffi_prep_args_raw(char *stack, extended_cif *ecif)
-{
- const ffi_cif *cif = ecif->cif;
- unsigned int i, passed_regs = 0;
-
-#ifndef X86_WIN64
- const unsigned int abi = cif->abi;
- const unsigned int max_regs = (abi == FFI_THISCALL) ? 1
- : (abi == FFI_FASTCALL) ? 2
- : (abi == FFI_REGISTER) ? 3
- : 0;
-
- if (cif->flags == FFI_TYPE_STRUCT)
- ++passed_regs;
-
- for (i = 0; i < cif->nargs && passed_regs <= max_regs; i++)
- {
- if (cif->arg_types[i]->type == FFI_TYPE_FLOAT
- || cif->arg_types[i]->type == FFI_TYPE_STRUCT)
- continue;
+ /* movl imm, %eax. */
+ tramp[0] = 0xb8;
+ *(void **)(tramp + 1) = codeloc;
- size_t sz = cif->arg_types[i]->size;
- if (sz == 0 || sz > FFI_SIZEOF_ARG)
- continue;
+ /* jmp dest */
+ tramp[5] = 0xe9;
+ *(unsigned *)(tramp + 6) = (unsigned)dest - ((unsigned)codeloc + 10);
- ++passed_regs;
- }
-#endif
+ closure->cif = cif;
+ closure->fun = fun;
+ closure->user_data = user_data;
- memcpy (stack, ecif->avalue, cif->bytes);
- return passed_regs;
+ return FFI_OK;
}
-/* we borrow this routine from libffi (it must be changed, though, to
- * actually call the function passed in the first argument. as of
- * libffi-1.20, this is not the case.)
- */
-
void
-ffi_raw_call(ffi_cif *cif, void (*fn)(void), void *rvalue, ffi_raw *fake_avalue)
+ffi_raw_call(ffi_cif *cif, void (*fn)(void), void *rvalue, ffi_raw *avalue)
{
- extended_cif ecif;
- void **avalue = (void **)fake_avalue;
-
- ecif.cif = cif;
- ecif.avalue = avalue;
-
- /* If the return value is a struct and we don't have a return */
- /* value address then we need to make one */
-
- if (rvalue == NULL
- && (cif->flags == FFI_TYPE_STRUCT
- || cif->flags == FFI_TYPE_MS_STRUCT))
+ size_t rsize, bytes;
+ struct call_frame *frame;
+ char *stack, *argp;
+ ffi_type **arg_types;
+ int flags, cabi, i, n, narg_reg;
+ const struct abi_params *pabi;
+
+ flags = cif->flags;
+ cabi = cif->abi;
+ pabi = &abi_params[cabi];
+
+ rsize = 0;
+ if (rvalue == NULL)
{
- ecif.rvalue = alloca(cif->rtype->size);
+ switch (flags)
+ {
+ case X86_RET_FLOAT:
+ case X86_RET_DOUBLE:
+ case X86_RET_LDOUBLE:
+ case X86_RET_STRUCTPOP:
+ case X86_RET_STRUCTARG:
+ /* The float cases need to pop the 387 stack.
+ The struct cases need to pass a valid pointer to the callee. */
+ rsize = cif->rtype->size;
+ break;
+ default:
+ /* We can pretend that the callee returns nothing. */
+ flags = X86_RET_VOID;
+ break;
+ }
}
- else
- ecif.rvalue = rvalue;
-
-
- switch (cif->abi)
+
+ bytes = cif->bytes;
+ argp = stack = alloca(bytes + sizeof(*frame) + rsize);
+ frame = (struct call_frame *)(stack + bytes);
+ if (rsize)
+ rvalue = frame + 1;
+
+ narg_reg = 0;
+ switch (flags)
{
-#ifndef X86_WIN32
- case FFI_SYSV:
- ffi_call_SYSV(ffi_prep_args_raw, &ecif, cif->bytes, cif->flags,
- ecif.rvalue, fn);
- break;
-#else
- case FFI_SYSV:
- case FFI_MS_CDECL:
-#endif
-#ifndef X86_WIN64
- case FFI_STDCALL:
- case FFI_THISCALL:
- case FFI_FASTCALL:
- case FFI_PASCAL:
- case FFI_REGISTER:
- ffi_call_win32(ffi_prep_args_raw, &ecif, cif->abi, cif->bytes, cif->flags,
- ecif.rvalue, fn);
- break;
-#endif
- default:
- FFI_ASSERT(0);
+ case X86_RET_STRUCTARG:
+ /* The pointer is passed as the first argument. */
+ if (pabi->nregs > 0)
+ {
+ frame->regs[pabi->regs[0]] = (unsigned)rvalue;
+ narg_reg = 1;
+ break;
+ }
+ /* fallthru */
+ case X86_RET_STRUCTPOP:
+ *(void **)argp = rvalue;
+ argp += sizeof(void *);
+ bytes -= sizeof(void *);
break;
}
-}
-
-#endif
-#endif /* !__x86_64__ || X86_WIN64 */
+ arg_types = cif->arg_types;
+ for (i = 0, n = cif->nargs; narg_reg < pabi->nregs && i < n; i++)
+ {
+ ffi_type *ty = arg_types[i];
+ size_t z = ty->size;
+ int t = ty->type;
+
+ if (z <= FFI_SIZEOF_ARG && t != FFI_TYPE_STRUCT && t != FFI_TYPE_FLOAT)
+ {
+ ffi_arg val = extend_basic_type (avalue, t);
+ frame->regs[pabi->regs[narg_reg++]] = val;
+ z = FFI_SIZEOF_ARG;
+ }
+ else
+ {
+ memcpy (argp, avalue, z);
+ z = ALIGN (z, FFI_SIZEOF_ARG);
+ argp += z;
+ }
+ avalue += z;
+ bytes -= z;
+ }
+ if (i < n)
+ memcpy (argp, avalue, bytes);
+ ffi_call_i386 (frame, stack);
+}
+#endif /* !FFI_NO_RAW_API */
+#endif /* !__x86_64__ */
diff --git a/src/x86/ffi64.c b/src/x86/ffi64.c
index 5a5e043..650f7bb 100644
--- a/src/x86/ffi64.c
+++ b/src/x86/ffi64.c
@@ -32,6 +32,8 @@
#include <stdlib.h>
#include <stdarg.h>
+#include <stdint.h>
+#include "internal64.h"
#ifdef __x86_64__
@@ -62,10 +64,12 @@ struct register_args
/* Registers for argument passing. */
UINT64 gpr[MAX_GPR_REGS];
union big_int_union sse[MAX_SSE_REGS];
+ UINT64 rax; /* ssecount */
+ UINT64 r10; /* static chain */
};
extern void ffi_call_unix64 (void *args, unsigned long bytes, unsigned flags,
- void *raddr, void (*fnaddr)(void), unsigned ssecount);
+ void *raddr, void (*fnaddr)(void)) FFI_HIDDEN;
/* All reference to register classes here is identical to the code in
gcc/config/i386/i386.c. Do *not* change one without the other. */
@@ -167,6 +171,7 @@ classify_argument (ffi_type *type, enum x86_64_reg_class classes[],
case FFI_TYPE_UINT64:
case FFI_TYPE_SINT64:
case FFI_TYPE_POINTER:
+ do_integer:
{
size_t size = byte_offset + type->size;
@@ -188,7 +193,7 @@ classify_argument (ffi_type *type, enum x86_64_reg_class classes[],
}
else if (size <= 16)
{
- classes[0] = classes[1] = X86_64_INTEGERSI_CLASS;
+ classes[0] = classes[1] = X86_64_INTEGER_CLASS;
return 2;
}
else
@@ -297,11 +302,42 @@ classify_argument (ffi_type *type, enum x86_64_reg_class classes[],
}
return words;
}
-
- default:
- FFI_ASSERT(0);
+ case FFI_TYPE_COMPLEX:
+ {
+ ffi_type *inner = type->elements[0];
+ switch (inner->type)
+ {
+ case FFI_TYPE_INT:
+ case FFI_TYPE_UINT8:
+ case FFI_TYPE_SINT8:
+ case FFI_TYPE_UINT16:
+ case FFI_TYPE_SINT16:
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_SINT64:
+ goto do_integer;
+
+ case FFI_TYPE_FLOAT:
+ classes[0] = X86_64_SSE_CLASS;
+ if (byte_offset % 8)
+ {
+ classes[1] = X86_64_SSESF_CLASS;
+ return 2;
+ }
+ return 1;
+ case FFI_TYPE_DOUBLE:
+ classes[0] = classes[1] = X86_64_SSEDF_CLASS;
+ return 2;
+#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
+ case FFI_TYPE_LONGDOUBLE:
+ classes[0] = X86_64_COMPLEX_X87_CLASS;
+ return 1;
+#endif
+ }
+ }
}
- return 0; /* Never reached. */
+ abort();
}
/* Examine the argument and return set number of register required in each
@@ -356,13 +392,57 @@ ffi_prep_cif_machdep (ffi_cif *cif)
{
int gprcount, ssecount, i, avn, ngpr, nsse, flags;
enum x86_64_reg_class classes[MAX_CLASSES];
- size_t bytes, n;
+ size_t bytes, n, rtype_size;
+ ffi_type *rtype;
+
+ if (cif->abi != FFI_UNIX64)
+ return FFI_BAD_ABI;
gprcount = ssecount = 0;
- flags = cif->rtype->type;
- if (flags != FFI_TYPE_VOID)
+ rtype = cif->rtype;
+ rtype_size = rtype->size;
+ switch (rtype->type)
{
+ case FFI_TYPE_VOID:
+ flags = UNIX64_RET_VOID;
+ break;
+ case FFI_TYPE_UINT8:
+ flags = UNIX64_RET_UINT8;
+ break;
+ case FFI_TYPE_SINT8:
+ flags = UNIX64_RET_SINT8;
+ break;
+ case FFI_TYPE_UINT16:
+ flags = UNIX64_RET_UINT16;
+ break;
+ case FFI_TYPE_SINT16:
+ flags = UNIX64_RET_SINT16;
+ break;
+ case FFI_TYPE_UINT32:
+ flags = UNIX64_RET_UINT32;
+ break;
+ case FFI_TYPE_INT:
+ case FFI_TYPE_SINT32:
+ flags = UNIX64_RET_SINT32;
+ break;
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_SINT64:
+ flags = UNIX64_RET_INT64;
+ break;
+ case FFI_TYPE_POINTER:
+ flags = (sizeof(void *) == 4 ? UNIX64_RET_UINT32 : UNIX64_RET_INT64);
+ break;
+ case FFI_TYPE_FLOAT:
+ flags = UNIX64_RET_XMM32;
+ break;
+ case FFI_TYPE_DOUBLE:
+ flags = UNIX64_RET_XMM64;
+ break;
+ case FFI_TYPE_LONGDOUBLE:
+ flags = UNIX64_RET_X87;
+ break;
+ case FFI_TYPE_STRUCT:
n = examine_argument (cif->rtype, classes, 1, &ngpr, &nsse);
if (n == 0)
{
@@ -370,22 +450,62 @@ ffi_prep_cif_machdep (ffi_cif *cif)
memory is the first argument. Allocate a register for it. */
gprcount++;
/* We don't have to do anything in asm for the return. */
- flags = FFI_TYPE_VOID;
+ flags = UNIX64_RET_VOID | UNIX64_FLAG_RET_IN_MEM;
}
- else if (flags == FFI_TYPE_STRUCT)
+ else
{
- /* Mark which registers the result appears in. */
_Bool sse0 = SSE_CLASS_P (classes[0]);
- _Bool sse1 = n == 2 && SSE_CLASS_P (classes[1]);
- if (sse0 && !sse1)
- flags |= 1 << 8;
- else if (!sse0 && sse1)
- flags |= 1 << 9;
- else if (sse0 && sse1)
- flags |= 1 << 10;
- /* Mark the true size of the structure. */
- flags |= cif->rtype->size << 12;
+
+ if (rtype_size == 4 && sse0)
+ flags = UNIX64_RET_XMM32;
+ else if (rtype_size == 8)
+ flags = sse0 ? UNIX64_RET_XMM64 : UNIX64_RET_INT64;
+ else
+ {
+ _Bool sse1 = n == 2 && SSE_CLASS_P (classes[1]);
+ if (sse0 && sse1)
+ flags = UNIX64_RET_ST_XMM0_XMM1;
+ else if (sse0)
+ flags = UNIX64_RET_ST_XMM0_RAX;
+ else if (sse1)
+ flags = UNIX64_RET_ST_RAX_XMM0;
+ else
+ flags = UNIX64_RET_ST_RAX_RDX;
+ flags |= rtype_size << UNIX64_SIZE_SHIFT;
+ }
+ }
+ break;
+ case FFI_TYPE_COMPLEX:
+ switch (rtype->elements[0]->type)
+ {
+ case FFI_TYPE_UINT8:
+ case FFI_TYPE_SINT8:
+ case FFI_TYPE_UINT16:
+ case FFI_TYPE_SINT16:
+ case FFI_TYPE_INT:
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_SINT64:
+ flags = UNIX64_RET_ST_RAX_RDX | (rtype_size << UNIX64_SIZE_SHIFT);
+ break;
+ case FFI_TYPE_FLOAT:
+ flags = UNIX64_RET_XMM64;
+ break;
+ case FFI_TYPE_DOUBLE:
+ flags = UNIX64_RET_ST_XMM0_XMM1 | (16 << UNIX64_SIZE_SHIFT);
+ break;
+#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
+ case FFI_TYPE_LONGDOUBLE:
+ flags = UNIX64_RET_X87_2;
+ break;
+#endif
+ default:
+ return FFI_BAD_TYPEDEF;
}
+ break;
+ default:
+ return FFI_BAD_TYPEDEF;
}
/* Go over all arguments and determine the way they should be passed.
@@ -412,44 +532,50 @@ ffi_prep_cif_machdep (ffi_cif *cif)
}
}
if (ssecount)
- flags |= 1 << 11;
+ flags |= UNIX64_FLAG_XMM_ARGS;
+
cif->flags = flags;
- cif->bytes = (unsigned)ALIGN (bytes, 8);
+ cif->bytes = ALIGN (bytes, 8);
return FFI_OK;
}
-void
-ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
+static void
+ffi_call_int (ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure)
{
enum x86_64_reg_class classes[MAX_CLASSES];
char *stack, *argp;
ffi_type **arg_types;
- int gprcount, ssecount, ngpr, nsse, i, avn;
- _Bool ret_in_memory;
+ int gprcount, ssecount, ngpr, nsse, i, avn, flags;
struct register_args *reg_args;
/* Can't call 32-bit mode from 64-bit mode. */
FFI_ASSERT (cif->abi == FFI_UNIX64);
/* If the return value is a struct and we don't have a return value
- address then we need to make one. Note the setting of flags to
- VOID above in ffi_prep_cif_machdep. */
- ret_in_memory = (cif->rtype->type == FFI_TYPE_STRUCT
- && (cif->flags & 0xff) == FFI_TYPE_VOID);
- if (rvalue == NULL && ret_in_memory)
- rvalue = alloca (cif->rtype->size);
+ address then we need to make one. Otherwise we can ignore it. */
+ flags = cif->flags;
+ if (rvalue == NULL)
+ {
+ if (flags & UNIX64_FLAG_RET_IN_MEM)
+ rvalue = alloca (cif->rtype->size);
+ else
+ flags = UNIX64_RET_VOID;
+ }
/* Allocate the space for the arguments, plus 4 words of temp space. */
stack = alloca (sizeof (struct register_args) + cif->bytes + 4*8);
reg_args = (struct register_args *) stack;
argp = stack + sizeof (struct register_args);
+ reg_args->r10 = (uintptr_t) closure;
+
gprcount = ssecount = 0;
/* If the return value is passed in memory, add the pointer as the
first integer argument. */
- if (ret_in_memory)
+ if (flags & UNIX64_FLAG_RET_IN_MEM)
reg_args->gpr[gprcount++] = (unsigned long) rvalue;
avn = cif->nargs;
@@ -494,17 +620,17 @@ ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
switch (arg_types[i]->type)
{
case FFI_TYPE_SINT8:
- *(SINT64 *)®_args->gpr[gprcount] = (SINT64) *((SINT8 *) a);
+ reg_args->gpr[gprcount] = (SINT64) *((SINT8 *) a);
break;
case FFI_TYPE_SINT16:
- *(SINT64 *)®_args->gpr[gprcount] = (SINT64) *((SINT16 *) a);
+ reg_args->gpr[gprcount] = (SINT64) *((SINT16 *) a);
break;
case FFI_TYPE_SINT32:
- *(SINT64 *)®_args->gpr[gprcount] = (SINT64) *((SINT32 *) a);
+ reg_args->gpr[gprcount] = (SINT64) *((SINT32 *) a);
break;
default:
reg_args->gpr[gprcount] = 0;
- memcpy (®_args->gpr[gprcount], a, size < 8 ? size : 8);
+ memcpy (®_args->gpr[gprcount], a, size);
}
gprcount++;
break;
@@ -521,13 +647,27 @@ ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
}
}
}
+ reg_args->rax = ssecount;
ffi_call_unix64 (stack, cif->bytes + sizeof (struct register_args),
- cif->flags, rvalue, fn, ssecount);
+ flags, rvalue, fn);
+}
+
+void
+ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
+{
+ ffi_call_int (cif, fn, rvalue, avalue, NULL);
}
+void
+ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure)
+{
+ ffi_call_int (cif, fn, rvalue, avalue, closure);
+}
-extern void ffi_closure_unix64(void);
+extern void ffi_closure_unix64(void) FFI_HIDDEN;
+extern void ffi_closure_unix64_sse(void) FFI_HIDDEN;
ffi_status
ffi_prep_closure_loc (ffi_closure* closure,
@@ -536,29 +676,27 @@ ffi_prep_closure_loc (ffi_closure* closure,
void *user_data,
void *codeloc)
{
- volatile unsigned short *tramp;
-
- /* Sanity check on the cif ABI. */
- {
- int abi = cif->abi;
- if (UNLIKELY (! (abi > FFI_FIRST_ABI && abi < FFI_LAST_ABI)))
- return FFI_BAD_ABI;
- }
-
- tramp = (volatile unsigned short *) &closure->tramp[0];
+ static const unsigned char trampoline[16] = {
+ /* leaq -0x7(%rip),%r10 # 0x0 */
+ 0x4c, 0x8d, 0x15, 0xf9, 0xff, 0xff, 0xff,
+ /* jmpq *0x3(%rip) # 0x10 */
+ 0xff, 0x25, 0x03, 0x00, 0x00, 0x00,
+ /* nopl (%rax) */
+ 0x0f, 0x1f, 0x00
+ };
+ void (*dest)(void);
+ char *tramp = closure->tramp;
- tramp[0] = 0xbb49; /* mov <code>, %r11 */
- *((unsigned long long * volatile) &tramp[1])
- = (unsigned long) ffi_closure_unix64;
- tramp[5] = 0xba49; /* mov <data>, %r10 */
- *((unsigned long long * volatile) &tramp[6])
- = (unsigned long) codeloc;
+ if (cif->abi != FFI_UNIX64)
+ return FFI_BAD_ABI;
- /* Set the carry bit iff the function uses any sse registers.
- This is clc or stc, together with the first byte of the jmp. */
- tramp[10] = cif->flags & (1 << 11) ? 0x49f9 : 0x49f8;
+ if (cif->flags & UNIX64_FLAG_XMM_ARGS)
+ dest = ffi_closure_unix64_sse;
+ else
+ dest = ffi_closure_unix64;
- tramp[11] = 0xe3ff; /* jmp *%r11 */
+ memcpy (tramp, trampoline, sizeof(trampoline));
+ *(UINT64 *)(tramp + 16) = (uintptr_t)dest;
closure->cif = cif;
closure->fun = fun;
@@ -567,49 +705,29 @@ ffi_prep_closure_loc (ffi_closure* closure,
return FFI_OK;
}
-int
-ffi_closure_unix64_inner(ffi_closure *closure, void *rvalue,
- struct register_args *reg_args, char *argp)
+int FFI_HIDDEN
+ffi_closure_unix64_inner(ffi_cif *cif,
+ void (*fun)(ffi_cif*, void*, void**, void*),
+ void *user_data,
+ void *rvalue,
+ struct register_args *reg_args,
+ char *argp)
{
- ffi_cif *cif;
void **avalue;
ffi_type **arg_types;
long i, avn;
int gprcount, ssecount, ngpr, nsse;
- int ret;
+ int flags;
- cif = closure->cif;
- avalue = alloca(cif->nargs * sizeof(void *));
+ avn = cif->nargs;
+ flags = cif->flags;
+ avalue = alloca(avn * sizeof(void *));
gprcount = ssecount = 0;
- ret = cif->rtype->type;
- if (ret != FFI_TYPE_VOID)
- {
- enum x86_64_reg_class classes[MAX_CLASSES];
- size_t n = examine_argument (cif->rtype, classes, 1, &ngpr, &nsse);
- if (n == 0)
- {
- /* The return value goes in memory. Arrange for the closure
- return value to go directly back to the original caller. */
- rvalue = (void *) (unsigned long) reg_args->gpr[gprcount++];
- /* We don't have to do anything in asm for the return. */
- ret = FFI_TYPE_VOID;
- }
- else if (ret == FFI_TYPE_STRUCT && n == 2)
- {
- /* Mark which register the second word of the structure goes in. */
- _Bool sse0 = SSE_CLASS_P (classes[0]);
- _Bool sse1 = SSE_CLASS_P (classes[1]);
- if (!sse0 && sse1)
- ret |= 1 << 8;
- else if (sse0 && !sse1)
- ret |= 1 << 9;
- }
- }
+ if (flags & UNIX64_FLAG_RET_IN_MEM)
+ rvalue = (void *)(uintptr_t)reg_args->gpr[gprcount++];
- avn = cif->nargs;
arg_types = cif->arg_types;
-
for (i = 0; i < avn; ++i)
{
enum x86_64_reg_class classes[MAX_CLASSES];
@@ -667,10 +785,29 @@ ffi_closure_unix64_inner(ffi_closure *closure, void *rvalue,
}
/* Invoke the closure. */
- closure->fun (cif, rvalue, avalue, closure->user_data);
+ fun (cif, rvalue, avalue, user_data);
/* Tell assembly how to perform return type promotions. */
- return ret;
+ return flags;
+}
+
+extern void ffi_go_closure_unix64(void) FFI_HIDDEN;
+extern void ffi_go_closure_unix64_sse(void) FFI_HIDDEN;
+
+ffi_status
+ffi_prep_go_closure (ffi_go_closure* closure, ffi_cif* cif,
+ void (*fun)(ffi_cif*, void*, void**, void*))
+{
+ if (cif->abi != FFI_UNIX64)
+ return FFI_BAD_ABI;
+
+ closure->tramp = (cif->flags & UNIX64_FLAG_XMM_ARGS
+ ? ffi_go_closure_unix64_sse
+ : ffi_go_closure_unix64);
+ closure->cif = cif;
+ closure->fun = fun;
+
+ return FFI_OK;
}
#endif /* __x86_64__ */
diff --git a/src/x86/ffitarget.h b/src/x86/ffitarget.h
index a236677..580522f 100644
--- a/src/x86/ffitarget.h
+++ b/src/x86/ffitarget.h
@@ -76,44 +76,40 @@ typedef signed long ffi_sarg;
#endif
typedef enum ffi_abi {
+#if defined(X86_WIN64)
FFI_FIRST_ABI = 0,
-
- /* ---- Intel x86 Win32 ---------- */
-#ifdef X86_WIN32
- FFI_SYSV,
- FFI_STDCALL,
- FFI_THISCALL,
- FFI_FASTCALL,
- FFI_MS_CDECL,
- FFI_PASCAL,
- FFI_REGISTER,
- FFI_LAST_ABI,
-#ifdef _MSC_VER
- FFI_DEFAULT_ABI = FFI_MS_CDECL
-#else
- FFI_DEFAULT_ABI = FFI_SYSV
-#endif
-
-#elif defined(X86_WIN64)
FFI_WIN64,
FFI_LAST_ABI,
FFI_DEFAULT_ABI = FFI_WIN64
+#elif defined(X86_64) || (defined (__x86_64__) && defined (X86_DARWIN))
+ FFI_FIRST_ABI = 1,
+ FFI_UNIX64,
+ FFI_LAST_ABI,
+ FFI_DEFAULT_ABI = FFI_UNIX64
+
+#elif defined(X86_WIN32)
+ FFI_FIRST_ABI = 0,
+ FFI_SYSV = 1,
+ FFI_STDCALL = 2,
+ FFI_THISCALL = 3,
+ FFI_FASTCALL = 4,
+ FFI_MS_CDECL = 5,
+ FFI_PASCAL = 6,
+ FFI_REGISTER = 7,
+ FFI_LAST_ABI,
+ FFI_DEFAULT_ABI = FFI_MS_CDECL
#else
- /* ---- Intel x86 and AMD x86-64 - */
- FFI_SYSV,
- FFI_UNIX64, /* Unix variants all use the same ABI for x86-64 */
- FFI_THISCALL,
- FFI_FASTCALL,
- FFI_STDCALL,
- FFI_PASCAL,
- FFI_REGISTER,
+ FFI_FIRST_ABI = 0,
+ FFI_SYSV = 1,
+ FFI_THISCALL = 3,
+ FFI_FASTCALL = 4,
+ FFI_STDCALL = 5,
+ FFI_PASCAL = 6,
+ FFI_REGISTER = 7,
+ FFI_MS_CDECL = 8,
FFI_LAST_ABI,
-#if defined(__i386__) || defined(__i386)
FFI_DEFAULT_ABI = FFI_SYSV
-#else
- FFI_DEFAULT_ABI = FFI_UNIX64
-#endif
#endif
} ffi_abi;
#endif
@@ -121,29 +117,20 @@ typedef enum ffi_abi {
/* ---- Definitions for closures ----------------------------------------- */
#define FFI_CLOSURES 1
+#define FFI_GO_CLOSURES 1
+
#define FFI_TYPE_SMALL_STRUCT_1B (FFI_TYPE_LAST + 1)
#define FFI_TYPE_SMALL_STRUCT_2B (FFI_TYPE_LAST + 2)
#define FFI_TYPE_SMALL_STRUCT_4B (FFI_TYPE_LAST + 3)
#define FFI_TYPE_MS_STRUCT (FFI_TYPE_LAST + 4)
-#if defined (X86_64) || (defined (__x86_64__) && defined (X86_DARWIN))
-#define FFI_TRAMPOLINE_SIZE 24
-#define FFI_NATIVE_RAW_API 0
+#if defined (X86_64) || defined(X86_WIN64) \
+ || (defined (__x86_64__) && defined (X86_DARWIN))
+# define FFI_TRAMPOLINE_SIZE 24
+# define FFI_NATIVE_RAW_API 0
#else
-#ifdef X86_WIN32
-#define FFI_TRAMPOLINE_SIZE 52
-#else
-#ifdef X86_WIN64
-#define FFI_TRAMPOLINE_SIZE 29
-#define FFI_NATIVE_RAW_API 0
-#define FFI_NO_RAW_API 1
-#else
-#define FFI_TRAMPOLINE_SIZE 10
-#endif
-#endif
-#ifndef X86_WIN64
-#define FFI_NATIVE_RAW_API 1 /* x86 has native raw api support */
-#endif
+# define FFI_TRAMPOLINE_SIZE 12
+# define FFI_NATIVE_RAW_API 1 /* x86 has native raw api support */
#endif
#endif
diff --git a/src/x86/ffiw64.c b/src/x86/ffiw64.c
new file mode 100644
index 0000000..316f544
--- /dev/null
+++ b/src/x86/ffiw64.c
@@ -0,0 +1,281 @@
+/* -----------------------------------------------------------------------
+ ffiw64.c - Copyright (c) 2014 Red Hat, Inc.
+
+ x86 win64 Foreign Function Interface
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ ``Software''), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ The above copyright notice and this permission notice shall be included
+ in all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+ EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ DEALINGS IN THE SOFTWARE.
+ ----------------------------------------------------------------------- */
+
+#include <ffi.h>
+#include <ffi_common.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#ifdef X86_WIN64
+
+struct win64_call_frame
+{
+ UINT64 rbp; /* 0 */
+ UINT64 retaddr; /* 8 */
+ UINT64 fn; /* 16 */
+ UINT64 flags; /* 24 */
+ UINT64 rvalue; /* 32 */
+};
+
+extern void ffi_call_win64 (void *stack, struct win64_call_frame *,
+ void *closure) FFI_HIDDEN;
+
+ffi_status
+ffi_prep_cif_machdep (ffi_cif *cif)
+{
+ int flags, n;
+
+ if (cif->abi != FFI_WIN64)
+ return FFI_BAD_ABI;
+
+ flags = cif->rtype->type;
+ switch (flags)
+ {
+ default:
+ break;
+ case FFI_TYPE_LONGDOUBLE:
+ flags = FFI_TYPE_STRUCT;
+ break;
+ case FFI_TYPE_COMPLEX:
+ flags = FFI_TYPE_STRUCT;
+ /* FALLTHRU */
+ case FFI_TYPE_STRUCT:
+ switch (cif->rtype->size)
+ {
+ case 8:
+ flags = FFI_TYPE_UINT64;
+ break;
+ case 4:
+ flags = FFI_TYPE_SMALL_STRUCT_4B;
+ break;
+ case 2:
+ flags = FFI_TYPE_SMALL_STRUCT_2B;
+ break;
+ case 1:
+ flags = FFI_TYPE_SMALL_STRUCT_1B;
+ break;
+ }
+ break;
+ }
+ cif->flags = flags;
+
+ /* Each argument either fits in a register, an 8 byte slot, or is
+ passed by reference with the pointer in the 8 byte slot. */
+ n = cif->nargs;
+ n += (flags == FFI_TYPE_STRUCT);
+ if (n < 4)
+ n = 4;
+ cif->bytes = n * 8;
+
+ return FFI_OK;
+}
+
+static void
+ffi_call_int (ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure)
+{
+ int i, j, n, flags;
+ UINT64 *stack;
+ size_t rsize;
+ struct win64_call_frame *frame;
+
+ FFI_ASSERT(cif->abi == FFI_WIN64);
+
+ flags = cif->flags;
+ rsize = 0;
+
+ /* If we have no return value for a structure, we need to create one.
+ Otherwise we can ignore the return type entirely. */
+ if (rvalue == NULL)
+ {
+ if (flags == FFI_TYPE_STRUCT)
+ rsize = cif->rtype->size;
+ else
+ flags = FFI_TYPE_VOID;
+ }
+
+ stack = alloca(cif->bytes + sizeof(struct win64_call_frame) + rsize);
+ frame = (struct win64_call_frame *)((char *)stack + cif->bytes);
+ if (rsize)
+ rvalue = frame + 1;
+
+ frame->fn = (uintptr_t)fn;
+ frame->flags = flags;
+ frame->rvalue = (uintptr_t)rvalue;
+
+ j = 0;
+ if (flags == FFI_TYPE_STRUCT)
+ {
+ stack[0] = (uintptr_t)rvalue;
+ j = 1;
+ }
+
+ for (i = 0, n = cif->nargs; i < n; ++i, ++j)
+ {
+ switch (cif->arg_types[i]->size)
+ {
+ case 8:
+ stack[j] = *(UINT64 *)avalue[i];
+ break;
+ case 4:
+ stack[j] = *(UINT32 *)avalue[i];
+ break;
+ case 2:
+ stack[j] = *(UINT16 *)avalue[i];
+ break;
+ case 1:
+ stack[j] = *(UINT8 *)avalue[i];
+ break;
+ default:
+ stack[j] = (uintptr_t)avalue[i];
+ break;
+ }
+ }
+
+ ffi_call_win64 (stack, frame, closure);
+}
+
+void
+ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
+{
+ ffi_call_int (cif, fn, rvalue, avalue, NULL);
+}
+
+void
+ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
+ void **avalue, void *closure)
+{
+ ffi_call_int (cif, fn, rvalue, avalue, closure);
+}
+
+
+extern void ffi_closure_win64(void) FFI_HIDDEN;
+extern void ffi_go_closure_win64(void) FFI_HIDDEN;
+
+ffi_status
+ffi_prep_closure_loc (ffi_closure* closure,
+ ffi_cif* cif,
+ void (*fun)(ffi_cif*, void*, void**, void*),
+ void *user_data,
+ void *codeloc)
+{
+ static const unsigned char trampoline[16] = {
+ /* leaq -0x7(%rip),%r10 # 0x0 */
+ 0x4c, 0x8d, 0x15, 0xf9, 0xff, 0xff, 0xff,
+ /* jmpq *0x3(%rip) # 0x10 */
+ 0xff, 0x25, 0x03, 0x00, 0x00, 0x00,
+ /* nopl (%rax) */
+ 0x0f, 0x1f, 0x00
+ };
+ void *tramp = closure->tramp;
+
+ if (cif->abi != FFI_WIN64)
+ return FFI_BAD_ABI;
+
+ memcpy (tramp, trampoline, sizeof(trampoline));
+ *(UINT64 *)(tramp + 16) = (uintptr_t)ffi_closure_win64;
+
+ closure->cif = cif;
+ closure->fun = fun;
+ closure->user_data = user_data;
+
+ return FFI_OK;
+}
+
+ffi_status
+ffi_prep_go_closure (ffi_go_closure* closure, ffi_cif* cif,
+ void (*fun)(ffi_cif*, void*, void**, void*))
+{
+ if (cif->abi != FFI_WIN64)
+ return FFI_BAD_ABI;
+
+ closure->tramp = ffi_go_closure_win64;
+ closure->cif = cif;
+ closure->fun = fun;
+
+ return FFI_OK;
+}
+
+struct win64_closure_frame
+{
+ UINT64 rvalue[2];
+ UINT64 fargs[4];
+ UINT64 retaddr;
+ UINT64 args[];
+};
+
+int FFI_HIDDEN
+ffi_closure_win64_inner(ffi_cif *cif,
+ void (*fun)(ffi_cif*, void*, void**, void*),
+ void *user_data,
+ struct win64_closure_frame *frame)
+{
+ void **avalue;
+ void *rvalue;
+ int i, n, nreg, flags;
+
+ avalue = alloca(cif->nargs * sizeof(void *));
+ rvalue = frame->rvalue;
+ nreg = 0;
+
+ /* When returning a structure, the address is in the first argument.
+ We must also be prepared to return the same address in eax, so
+ install that address in the frame and pretend we return a pointer. */
+ flags = cif->flags;
+ if (flags == FFI_TYPE_STRUCT)
+ {
+ rvalue = (void *)(uintptr_t)frame->args[0];
+ frame->rvalue[0] = frame->args[0];
+ nreg = 1;
+ }
+
+ for (i = 0, n = cif->nargs; i < n; ++i, ++nreg)
+ {
+ size_t size = cif->arg_types[i]->size;
+ size_t type = cif->arg_types[i]->type;
+ void *a;
+
+ if (type == FFI_TYPE_DOUBLE || type == FFI_TYPE_FLOAT)
+ {
+ if (nreg < 4)
+ a = &frame->fargs[nreg];
+ else
+ a = &frame->args[nreg];
+ }
+ else if (size == 1 || size == 2 || size == 4 || size == 8)
+ a = &frame->args[nreg];
+ else
+ a = (void *)(uintptr_t)frame->args[nreg];
+
+ avalue[i] = a;
+ }
+
+ /* Invoke the closure. */
+ fun (cif, rvalue, avalue, user_data);
+ return flags;
+}
+
+#endif /* X86_WIN64 */
diff --git a/src/x86/freebsd.S b/src/x86/freebsd.S
deleted file mode 100644
index 97e0b4e..0000000
--- a/src/x86/freebsd.S
+++ /dev/null
@@ -1,463 +0,0 @@
-/* -----------------------------------------------------------------------
- freebsd.S - Copyright (c) 1996, 1998, 2001, 2002, 2003, 2005 Red Hat, Inc.
- Copyright (c) 2008 Björn König
-
- X86 Foreign Function Interface for FreeBSD
-
- Permission is hereby granted, free of charge, to any person obtaining
- a copy of this software and associated documentation files (the
- ``Software''), to deal in the Software without restriction, including
- without limitation the rights to use, copy, modify, merge, publish,
- distribute, sublicense, and/or sell copies of the Software, and to
- permit persons to whom the Software is furnished to do so, subject to
- the following conditions:
-
- The above copyright notice and this permission notice shall be included
- in all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- DEALINGS IN THE SOFTWARE.
------------------------------------------------------------------------ */
-
-#ifndef __x86_64__
-
-#define LIBFFI_ASM
-#include <fficonfig.h>
-#include <ffi.h>
-
-.text
-
-.globl ffi_prep_args
-
- .align 4
-.globl ffi_call_SYSV
- .type ffi_call_SYSV,@function
-
-ffi_call_SYSV:
-.LFB1:
- pushl %ebp
-.LCFI0:
- movl %esp,%ebp
-.LCFI1:
- /* Make room for all of the new args. */
- movl 16(%ebp),%ecx
- subl %ecx,%esp
-
- /* Align the stack pointer to 16-bytes */
- andl $0xfffffff0, %esp
-
- movl %esp,%eax
-
- /* Place all of the ffi_prep_args in position */
- pushl 12(%ebp)
- pushl %eax
- call *8(%ebp)
-
- /* Return stack to previous state and call the function */
- addl $8,%esp
-
- call *28(%ebp)
-
- /* Load %ecx with the return type code */
- movl 20(%ebp),%ecx
-
- /* Protect %esi. We're going to pop it in the epilogue. */
- pushl %esi
-
- /* If the return value pointer is NULL, assume no return value. */
- cmpl $0,24(%ebp)
- jne 0f
-
- /* Even if there is no space for the return value, we are
- obliged to handle floating-point values. */
- cmpl $FFI_TYPE_FLOAT,%ecx
- jne noretval
- fstp %st(0)
-
- jmp epilogue
-
-0:
- call 1f
-
-.Lstore_table:
- .long noretval-.Lstore_table /* FFI_TYPE_VOID */
- .long retint-.Lstore_table /* FFI_TYPE_INT */
- .long retfloat-.Lstore_table /* FFI_TYPE_FLOAT */
- .long retdouble-.Lstore_table /* FFI_TYPE_DOUBLE */
- .long retlongdouble-.Lstore_table /* FFI_TYPE_LONGDOUBLE */
- .long retuint8-.Lstore_table /* FFI_TYPE_UINT8 */
- .long retsint8-.Lstore_table /* FFI_TYPE_SINT8 */
- .long retuint16-.Lstore_table /* FFI_TYPE_UINT16 */
- .long retsint16-.Lstore_table /* FFI_TYPE_SINT16 */
- .long retint-.Lstore_table /* FFI_TYPE_UINT32 */
- .long retint-.Lstore_table /* FFI_TYPE_SINT32 */
- .long retint64-.Lstore_table /* FFI_TYPE_UINT64 */
- .long retint64-.Lstore_table /* FFI_TYPE_SINT64 */
- .long retstruct-.Lstore_table /* FFI_TYPE_STRUCT */
- .long retint-.Lstore_table /* FFI_TYPE_POINTER */
- .long retstruct1b-.Lstore_table /* FFI_TYPE_SMALL_STRUCT_1B */
- .long retstruct2b-.Lstore_table /* FFI_TYPE_SMALL_STRUCT_2B */
-
-1:
- pop %esi
- add (%esi, %ecx, 4), %esi
- jmp *%esi
-
- /* Sign/zero extend as appropriate. */
-retsint8:
- movsbl %al, %eax
- jmp retint
-
-retsint16:
- movswl %ax, %eax
- jmp retint
-
-retuint8:
- movzbl %al, %eax
- jmp retint
-
-retuint16:
- movzwl %ax, %eax
- jmp retint
-
-retfloat:
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- fstps (%ecx)
- jmp epilogue
-
-retdouble:
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- fstpl (%ecx)
- jmp epilogue
-
-retlongdouble:
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- fstpt (%ecx)
- jmp epilogue
-
-retint64:
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- movl %eax,0(%ecx)
- movl %edx,4(%ecx)
- jmp epilogue
-
-retstruct1b:
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- movb %al,0(%ecx)
- jmp epilogue
-
-retstruct2b:
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- movw %ax,0(%ecx)
- jmp epilogue
-
-retint:
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- movl %eax,0(%ecx)
-
-retstruct:
- /* Nothing to do! */
-
-noretval:
-epilogue:
- popl %esi
- movl %ebp,%esp
- popl %ebp
- ret
-.LFE1:
-.ffi_call_SYSV_end:
- .size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV
-
- .align 4
-FFI_HIDDEN (ffi_closure_SYSV)
-.globl ffi_closure_SYSV
- .type ffi_closure_SYSV, @function
-
-ffi_closure_SYSV:
-.LFB2:
- pushl %ebp
-.LCFI2:
- movl %esp, %ebp
-.LCFI3:
- subl $40, %esp
- leal -24(%ebp), %edx
- movl %edx, -12(%ebp) /* resp */
- leal 8(%ebp), %edx
- movl %edx, 4(%esp) /* args = __builtin_dwarf_cfa () */
- leal -12(%ebp), %edx
- movl %edx, (%esp) /* &resp */
-#if defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE || !defined __PIC__
- call ffi_closure_SYSV_inner
-#else
- movl %ebx, 8(%esp)
-.LCFI7:
- call 1f
-1: popl %ebx
- addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
- call ffi_closure_SYSV_inner@PLT
- movl 8(%esp), %ebx
-#endif
- movl -12(%ebp), %ecx
- cmpl $FFI_TYPE_INT, %eax
- je .Lcls_retint
-
- /* Handle FFI_TYPE_UINT8, FFI_TYPE_SINT8, FFI_TYPE_UINT16,
- FFI_TYPE_SINT16, FFI_TYPE_UINT32, FFI_TYPE_SINT32. */
- cmpl $FFI_TYPE_UINT64, %eax
- jge 0f
- cmpl $FFI_TYPE_UINT8, %eax
- jge .Lcls_retint
-
-0: cmpl $FFI_TYPE_FLOAT, %eax
- je .Lcls_retfloat
- cmpl $FFI_TYPE_DOUBLE, %eax
- je .Lcls_retdouble
- cmpl $FFI_TYPE_LONGDOUBLE, %eax
- je .Lcls_retldouble
- cmpl $FFI_TYPE_SINT64, %eax
- je .Lcls_retllong
- cmpl $FFI_TYPE_SMALL_STRUCT_1B, %eax
- je .Lcls_retstruct1b
- cmpl $FFI_TYPE_SMALL_STRUCT_2B, %eax
- je .Lcls_retstruct2b
- cmpl $FFI_TYPE_STRUCT, %eax
- je .Lcls_retstruct
-.Lcls_epilogue:
- movl %ebp, %esp
- popl %ebp
- ret
-.Lcls_retint:
- movl (%ecx), %eax
- jmp .Lcls_epilogue
-.Lcls_retfloat:
- flds (%ecx)
- jmp .Lcls_epilogue
-.Lcls_retdouble:
- fldl (%ecx)
- jmp .Lcls_epilogue
-.Lcls_retldouble:
- fldt (%ecx)
- jmp .Lcls_epilogue
-.Lcls_retllong:
- movl (%ecx), %eax
- movl 4(%ecx), %edx
- jmp .Lcls_epilogue
-.Lcls_retstruct1b:
- movsbl (%ecx), %eax
- jmp .Lcls_epilogue
-.Lcls_retstruct2b:
- movswl (%ecx), %eax
- jmp .Lcls_epilogue
-.Lcls_retstruct:
- movl %ebp, %esp
- popl %ebp
- ret $4
-.LFE2:
- .size ffi_closure_SYSV, .-ffi_closure_SYSV
-
-#if !FFI_NO_RAW_API
-
-#define RAW_CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) & ~3)
-#define RAW_CLOSURE_FUN_OFFSET (RAW_CLOSURE_CIF_OFFSET + 4)
-#define RAW_CLOSURE_USER_DATA_OFFSET (RAW_CLOSURE_FUN_OFFSET + 4)
-#define CIF_FLAGS_OFFSET 20
-
- .align 4
-FFI_HIDDEN (ffi_closure_raw_SYSV)
-.globl ffi_closure_raw_SYSV
- .type ffi_closure_raw_SYSV, @function
-
-ffi_closure_raw_SYSV:
-.LFB3:
- pushl %ebp
-.LCFI4:
- movl %esp, %ebp
-.LCFI5:
- pushl %esi
-.LCFI6:
- subl $36, %esp
- movl RAW_CLOSURE_CIF_OFFSET(%eax), %esi /* closure->cif */
- movl RAW_CLOSURE_USER_DATA_OFFSET(%eax), %edx /* closure->user_data */
- movl %edx, 12(%esp) /* user_data */
- leal 8(%ebp), %edx /* __builtin_dwarf_cfa () */
- movl %edx, 8(%esp) /* raw_args */
- leal -24(%ebp), %edx
- movl %edx, 4(%esp) /* &res */
- movl %esi, (%esp) /* cif */
- call *RAW_CLOSURE_FUN_OFFSET(%eax) /* closure->fun */
- movl CIF_FLAGS_OFFSET(%esi), %eax /* rtype */
- cmpl $FFI_TYPE_INT, %eax
- je .Lrcls_retint
-
- /* Handle FFI_TYPE_UINT8, FFI_TYPE_SINT8, FFI_TYPE_UINT16,
- FFI_TYPE_SINT16, FFI_TYPE_UINT32, FFI_TYPE_SINT32. */
- cmpl $FFI_TYPE_UINT64, %eax
- jge 0f
- cmpl $FFI_TYPE_UINT8, %eax
- jge .Lrcls_retint
-0:
- cmpl $FFI_TYPE_FLOAT, %eax
- je .Lrcls_retfloat
- cmpl $FFI_TYPE_DOUBLE, %eax
- je .Lrcls_retdouble
- cmpl $FFI_TYPE_LONGDOUBLE, %eax
- je .Lrcls_retldouble
- cmpl $FFI_TYPE_SINT64, %eax
- je .Lrcls_retllong
-.Lrcls_epilogue:
- addl $36, %esp
- popl %esi
- popl %ebp
- ret
-.Lrcls_retint:
- movl -24(%ebp), %eax
- jmp .Lrcls_epilogue
-.Lrcls_retfloat:
- flds -24(%ebp)
- jmp .Lrcls_epilogue
-.Lrcls_retdouble:
- fldl -24(%ebp)
- jmp .Lrcls_epilogue
-.Lrcls_retldouble:
- fldt -24(%ebp)
- jmp .Lrcls_epilogue
-.Lrcls_retllong:
- movl -24(%ebp), %eax
- movl -20(%ebp), %edx
- jmp .Lrcls_epilogue
-.LFE3:
- .size ffi_closure_raw_SYSV, .-ffi_closure_raw_SYSV
-#endif
-
- .section .eh_frame,EH_FRAME_FLAGS,@progbits
-.Lframe1:
- .long .LECIE1-.LSCIE1 /* Length of Common Information Entry */
-.LSCIE1:
- .long 0x0 /* CIE Identifier Tag */
- .byte 0x1 /* CIE Version */
-#ifdef __PIC__
- .ascii "zR\0" /* CIE Augmentation */
-#else
- .ascii "\0" /* CIE Augmentation */
-#endif
- .byte 0x1 /* .uleb128 0x1; CIE Code Alignment Factor */
- .byte 0x7c /* .sleb128 -4; CIE Data Alignment Factor */
- .byte 0x8 /* CIE RA Column */
-#ifdef __PIC__
- .byte 0x1 /* .uleb128 0x1; Augmentation size */
- .byte 0x1b /* FDE Encoding (pcrel sdata4) */
-#endif
- .byte 0xc /* DW_CFA_def_cfa */
- .byte 0x4 /* .uleb128 0x4 */
- .byte 0x4 /* .uleb128 0x4 */
- .byte 0x88 /* DW_CFA_offset, column 0x8 */
- .byte 0x1 /* .uleb128 0x1 */
- .align 4
-.LECIE1:
-.LSFDE1:
- .long .LEFDE1-.LASFDE1 /* FDE Length */
-.LASFDE1:
- .long .LASFDE1-.Lframe1 /* FDE CIE offset */
-#ifdef __PIC__
- .long .LFB1-. /* FDE initial location */
-#else
- .long .LFB1 /* FDE initial location */
-#endif
- .long .LFE1-.LFB1 /* FDE address range */
-#ifdef __PIC__
- .byte 0x0 /* .uleb128 0x0; Augmentation size */
-#endif
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI0-.LFB1
- .byte 0xe /* DW_CFA_def_cfa_offset */
- .byte 0x8 /* .uleb128 0x8 */
- .byte 0x85 /* DW_CFA_offset, column 0x5 */
- .byte 0x2 /* .uleb128 0x2 */
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI1-.LCFI0
- .byte 0xd /* DW_CFA_def_cfa_register */
- .byte 0x5 /* .uleb128 0x5 */
- .align 4
-.LEFDE1:
-.LSFDE2:
- .long .LEFDE2-.LASFDE2 /* FDE Length */
-.LASFDE2:
- .long .LASFDE2-.Lframe1 /* FDE CIE offset */
-#ifdef __PIC__
- .long .LFB2-. /* FDE initial location */
-#else
- .long .LFB2
-#endif
- .long .LFE2-.LFB2 /* FDE address range */
-#ifdef __PIC__
- .byte 0x0 /* .uleb128 0x0; Augmentation size */
-#endif
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI2-.LFB2
- .byte 0xe /* DW_CFA_def_cfa_offset */
- .byte 0x8 /* .uleb128 0x8 */
- .byte 0x85 /* DW_CFA_offset, column 0x5 */
- .byte 0x2 /* .uleb128 0x2 */
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI3-.LCFI2
- .byte 0xd /* DW_CFA_def_cfa_register */
- .byte 0x5 /* .uleb128 0x5 */
-#if !defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE && defined __PIC__
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI7-.LCFI3
- .byte 0x83 /* DW_CFA_offset, column 0x3 */
- .byte 0xa /* .uleb128 0xa */
-#endif
- .align 4
-.LEFDE2:
-
-#if !FFI_NO_RAW_API
-
-.LSFDE3:
- .long .LEFDE3-.LASFDE3 /* FDE Length */
-.LASFDE3:
- .long .LASFDE3-.Lframe1 /* FDE CIE offset */
-#ifdef __PIC__
- .long .LFB3-. /* FDE initial location */
-#else
- .long .LFB3
-#endif
- .long .LFE3-.LFB3 /* FDE address range */
-#ifdef __PIC__
- .byte 0x0 /* .uleb128 0x0; Augmentation size */
-#endif
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI4-.LFB3
- .byte 0xe /* DW_CFA_def_cfa_offset */
- .byte 0x8 /* .uleb128 0x8 */
- .byte 0x85 /* DW_CFA_offset, column 0x5 */
- .byte 0x2 /* .uleb128 0x2 */
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI5-.LCFI4
- .byte 0xd /* DW_CFA_def_cfa_register */
- .byte 0x5 /* .uleb128 0x5 */
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI6-.LCFI5
- .byte 0x86 /* DW_CFA_offset, column 0x6 */
- .byte 0x3 /* .uleb128 0x3 */
- .align 4
-.LEFDE3:
-
-#endif
-
-#endif /* ifndef __x86_64__ */
-
- .section .note.GNU-stack,"",%progbits
diff --git a/src/x86/internal.h b/src/x86/internal.h
new file mode 100644
index 0000000..480c1d0
--- /dev/null
+++ b/src/x86/internal.h
@@ -0,0 +1,23 @@
+#define X86_RET_FLOAT 0
+#define X86_RET_DOUBLE 1
+#define X86_RET_LDOUBLE 2
+#define X86_RET_SINT8 3
+#define X86_RET_SINT16 4
+#define X86_RET_UINT8 5
+#define X86_RET_UINT16 6
+#define X86_RET_INT64 7
+#define X86_RET_INT32 8
+#define X86_RET_VOID 9
+#define X86_RET_STRUCTPOP 10
+#define X86_RET_STRUCTARG 11
+#define X86_RET_STRUCT_1B 12
+#define X86_RET_STRUCT_2B 13
+#define X86_RET_UNUSED14 14
+#define X86_RET_UNUSED15 15
+
+#define X86_RET_TYPE_MASK 15
+#define X86_RET_POP_SHIFT 4
+
+#define R_EAX 0
+#define R_EDX 1
+#define R_ECX 2
diff --git a/src/x86/internal64.h b/src/x86/internal64.h
new file mode 100644
index 0000000..512e955
--- /dev/null
+++ b/src/x86/internal64.h
@@ -0,0 +1,22 @@
+#define UNIX64_RET_VOID 0
+#define UNIX64_RET_UINT8 1
+#define UNIX64_RET_UINT16 2
+#define UNIX64_RET_UINT32 3
+#define UNIX64_RET_SINT8 4
+#define UNIX64_RET_SINT16 5
+#define UNIX64_RET_SINT32 6
+#define UNIX64_RET_INT64 7
+#define UNIX64_RET_XMM32 8
+#define UNIX64_RET_XMM64 9
+#define UNIX64_RET_X87 10
+#define UNIX64_RET_X87_2 11
+#define UNIX64_RET_ST_XMM0_RAX 12
+#define UNIX64_RET_ST_RAX_XMM0 13
+#define UNIX64_RET_ST_XMM0_XMM1 14
+#define UNIX64_RET_ST_RAX_RDX 15
+
+#define UNIX64_RET_LAST 15
+
+#define UNIX64_FLAG_RET_IN_MEM (1 << 10)
+#define UNIX64_FLAG_XMM_ARGS (1 << 11)
+#define UNIX64_SIZE_SHIFT 12
diff --git a/src/x86/sysv.S b/src/x86/sysv.S
index 3bd5477..72cba6c 100644
--- a/src/x86/sysv.S
+++ b/src/x86/sysv.S
@@ -30,454 +30,675 @@
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
+#include <ffi_cfi.h>
+#include "internal.h"
-.text
+#define C2(X, Y) X ## Y
+#define C1(X, Y) C2(X, Y)
+#ifdef __USER_LABEL_PREFIX__
+# define C(X) C1(__USER_LABEL_PREFIX__, X)
+#else
+# define C(X) X
+#endif
-.globl ffi_prep_args
+#ifdef __ELF__
+# define ENDF(X) .type X,@function; .size X, . - X
+#else
+# define ENDF(X)
+#endif
- .align 4
-.globl ffi_call_SYSV
- .type ffi_call_SYSV,@function
+/* Handle win32 fastcall name mangling. */
+#ifdef X86_WIN32
+# define ffi_call_i386 @ffi_call_i386@8
+# define ffi_closure_inner @ffi_closure_inner@8
+#else
+# define ffi_call_i386 C(ffi_call_i386)
+# define ffi_closure_inner C(ffi_closure_inner)
+#endif
-ffi_call_SYSV:
-.LFB1:
- pushl %ebp
-.LCFI0:
- movl %esp,%ebp
-.LCFI1:
- /* Make room for all of the new args. */
- movl 16(%ebp),%ecx
- subl %ecx,%esp
+/* This macro allows the safe creation of jump tables without an
+ actual table. The entry points into the table are all 8 bytes.
+ The use of ORG asserts that we're at the correct location. */
+/* ??? The clang assembler doesn't handle .org with symbolic expressions. */
+#ifdef __clang__
+# define E(X) .align 8
+#else
+# define E(X) .align 8; .org 0b + X * 8
+#endif
- /* Align the stack pointer to 16-bytes */
- andl $0xfffffff0, %esp
+ .text
+ .align 16
+ .globl ffi_call_i386
+ FFI_HIDDEN(ffi_call_i386)
- movl %esp,%eax
+/* This is declared as
- /* Place all of the ffi_prep_args in position */
- pushl 12(%ebp)
- pushl %eax
- call *8(%ebp)
+ void ffi_call_i386(struct call_frame *frame, char *argp)
+ __attribute__((fastcall));
- /* Return stack to previous state and call the function */
- addl $8,%esp
+ Thus the arguments are present in
- call *28(%ebp)
+ ecx: frame
+ edx: argp
+*/
- /* Load %ecx with the return type code */
- movl 20(%ebp),%ecx
+ffi_call_i386:
+ cfi_startproc
+ movl (%esp), %eax /* move the return address */
+ movl %ebp, (%ecx) /* store %ebp into local frame */
+ movl %eax, 4(%ecx) /* store retaddr into local frame */
- /* Protect %esi. We're going to pop it in the epilogue. */
- pushl %esi
+ /* New stack frame based off ebp. This is a itty bit of unwind
+ trickery in that the CFA *has* changed. There is no easy way
+ to describe it correctly on entry to the function. Fortunately,
+ it doesn't matter too much since at all points we can correctly
+ unwind back to ffi_call. Note that the location to which we
+ moved the return address is (the new) CFA-4, so from the
+ perspective of the unwind info, it hasn't moved. */
+ movl %ecx, %ebp
+ cfi_def_cfa(%ebp, 8)
+ cfi_rel_offset(%ebp, 0)
- /* If the return value pointer is NULL, assume no return value. */
- cmpl $0,24(%ebp)
- jne 0f
+ movl %edx, %esp /* set outgoing argument stack */
+ movl 20+R_EAX*4(%ebp), %eax /* set register arguments */
+ movl 20+R_EDX*4(%ebp), %edx
+ movl 20+R_ECX*4(%ebp), %ecx
- /* Even if there is no space for the return value, we are
- obliged to handle floating-point values. */
- cmpl $FFI_TYPE_FLOAT,%ecx
- jne noretval
- fstp %st(0)
+ call *8(%ebp)
- jmp epilogue
+ movl 12(%ebp), %ecx /* load return type code */
+ movl %ebx, 8(%ebp) /* preserve %ebx */
+ cfi_rel_offset(%ebp, 8)
-0:
- call 1f
-
-.Lstore_table:
- .long noretval-.Lstore_table /* FFI_TYPE_VOID */
- .long retint-.Lstore_table /* FFI_TYPE_INT */
- .long retfloat-.Lstore_table /* FFI_TYPE_FLOAT */
- .long retdouble-.Lstore_table /* FFI_TYPE_DOUBLE */
- .long retlongdouble-.Lstore_table /* FFI_TYPE_LONGDOUBLE */
- .long retuint8-.Lstore_table /* FFI_TYPE_UINT8 */
- .long retsint8-.Lstore_table /* FFI_TYPE_SINT8 */
- .long retuint16-.Lstore_table /* FFI_TYPE_UINT16 */
- .long retsint16-.Lstore_table /* FFI_TYPE_SINT16 */
- .long retint-.Lstore_table /* FFI_TYPE_UINT32 */
- .long retint-.Lstore_table /* FFI_TYPE_SINT32 */
- .long retint64-.Lstore_table /* FFI_TYPE_UINT64 */
- .long retint64-.Lstore_table /* FFI_TYPE_SINT64 */
- .long retstruct-.Lstore_table /* FFI_TYPE_STRUCT */
- .long retint-.Lstore_table /* FFI_TYPE_POINTER */
-
-1:
- pop %esi
- add (%esi, %ecx, 4), %esi
- jmp *%esi
-
- /* Sign/zero extend as appropriate. */
-retsint8:
- movsbl %al, %eax
- jmp retint
-
-retsint16:
- movswl %ax, %eax
- jmp retint
-
-retuint8:
- movzbl %al, %eax
- jmp retint
-
-retuint16:
- movzwl %ax, %eax
- jmp retint
-
-retfloat:
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- fstps (%ecx)
- jmp epilogue
-
-retdouble:
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- fstpl (%ecx)
- jmp epilogue
-
-retlongdouble:
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- fstpt (%ecx)
- jmp epilogue
-
-retint64:
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- movl %eax,0(%ecx)
- movl %edx,4(%ecx)
- jmp epilogue
-
-retint:
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- movl %eax,0(%ecx)
-
-retstruct:
- /* Nothing to do! */
-
-noretval:
-epilogue:
- popl %esi
- movl %ebp,%esp
- popl %ebp
- ret
-.LFE1:
-.ffi_call_SYSV_end:
- .size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV
-
- .align 4
-FFI_HIDDEN (ffi_closure_SYSV)
-.globl ffi_closure_SYSV
- .type ffi_closure_SYSV, @function
-
-ffi_closure_SYSV:
-.LFB2:
- pushl %ebp
-.LCFI2:
- movl %esp, %ebp
-.LCFI3:
- subl $40, %esp
- leal -24(%ebp), %edx
- movl %edx, -12(%ebp) /* resp */
- leal 8(%ebp), %edx
-#ifdef __SUNPRO_C
- /* The SUNPRO compiler doesn't support GCC's regparm function
- attribute, so we have to pass all three arguments to
- ffi_closure_SYSV_inner on the stack. */
- movl %edx, 8(%esp) /* args = __builtin_dwarf_cfa () */
- leal -12(%ebp), %edx
- movl %edx, 4(%esp) /* &resp */
- movl %eax, (%esp) /* closure */
-#else
- movl %edx, 4(%esp) /* args = __builtin_dwarf_cfa () */
- leal -12(%ebp), %edx
- movl %edx, (%esp) /* &resp */
-#endif
-#if defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE || !defined __PIC__
- call ffi_closure_SYSV_inner
+ andl $X86_RET_TYPE_MASK, %ecx
+#ifdef __PIC__
+ call __x86.get_pc_thunk.bx
+1: leal 0f-1b(%ebx, %ecx, 8), %ebx
#else
- movl %ebx, 8(%esp)
-.LCFI7:
- call 1f
-1: popl %ebx
- addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
- call ffi_closure_SYSV_inner@PLT
- movl 8(%esp), %ebx
+ leal 0f(,%ecx, 8), %ebx
#endif
- movl -12(%ebp), %ecx
- cmpl $FFI_TYPE_INT, %eax
- je .Lcls_retint
-
- /* Handle FFI_TYPE_UINT8, FFI_TYPE_SINT8, FFI_TYPE_UINT16,
- FFI_TYPE_SINT16, FFI_TYPE_UINT32, FFI_TYPE_SINT32. */
- cmpl $FFI_TYPE_UINT64, %eax
- jge 0f
- cmpl $FFI_TYPE_UINT8, %eax
- jge .Lcls_retint
-
-0: cmpl $FFI_TYPE_FLOAT, %eax
- je .Lcls_retfloat
- cmpl $FFI_TYPE_DOUBLE, %eax
- je .Lcls_retdouble
- cmpl $FFI_TYPE_LONGDOUBLE, %eax
- je .Lcls_retldouble
- cmpl $FFI_TYPE_SINT64, %eax
- je .Lcls_retllong
- cmpl $FFI_TYPE_STRUCT, %eax
- je .Lcls_retstruct
-.Lcls_epilogue:
+ movl 16(%ebp), %ecx /* load result address */
+ jmp *%ebx
+
+ .align 8
+0:
+E(X86_RET_FLOAT)
+ fstps (%ecx)
+ jmp 9f
+E(X86_RET_DOUBLE)
+ fstpl (%ecx)
+ jmp 9f
+E(X86_RET_LDOUBLE)
+ fstpt (%ecx)
+ jmp 9f
+E(X86_RET_SINT8)
+ movsbl %al, %eax
+ mov %eax, (%ecx)
+ jmp 9f
+E(X86_RET_SINT16)
+ movswl %ax, %eax
+ mov %eax, (%ecx)
+ jmp 9f
+E(X86_RET_UINT8)
+ movzbl %al, %eax
+ mov %eax, (%ecx)
+ jmp 9f
+E(X86_RET_UINT16)
+ movzwl %ax, %eax
+ mov %eax, (%ecx)
+ jmp 9f
+E(X86_RET_INT64)
+ movl %edx, 4(%ecx)
+ /* fallthru */
+E(X86_RET_INT32)
+ movl %eax, (%ecx)
+ /* fallthru */
+E(X86_RET_VOID)
+9: movl 8(%ebp), %ebx
movl %ebp, %esp
popl %ebp
+ cfi_remember_state
+ cfi_def_cfa(%esp, 4)
+ cfi_restore(%ebx)
+ cfi_restore(%ebp)
ret
-.Lcls_retint:
- movl (%ecx), %eax
- jmp .Lcls_epilogue
-.Lcls_retfloat:
- flds (%ecx)
- jmp .Lcls_epilogue
-.Lcls_retdouble:
- fldl (%ecx)
- jmp .Lcls_epilogue
-.Lcls_retldouble:
- fldt (%ecx)
- jmp .Lcls_epilogue
-.Lcls_retllong:
- movl (%ecx), %eax
- movl 4(%ecx), %edx
- jmp .Lcls_epilogue
-.Lcls_retstruct:
- movl %ebp, %esp
- popl %ebp
- ret $4
-.LFE2:
- .size ffi_closure_SYSV, .-ffi_closure_SYSV
+ cfi_restore_state
-#if !FFI_NO_RAW_API
+E(X86_RET_STRUCTPOP)
+ jmp 9b
+E(X86_RET_STRUCTARG)
+ jmp 9b
+E(X86_RET_STRUCT_1B)
+ movb %al, (%ecx)
+ jmp 9b
+E(X86_RET_STRUCT_2B)
+ movw %ax, (%ecx)
+ jmp 9b
-/* Precalculate for e.g. the Solaris 10/x86 assembler. */
-#if FFI_TRAMPOLINE_SIZE == 10
-#define RAW_CLOSURE_CIF_OFFSET 12
-#define RAW_CLOSURE_FUN_OFFSET 16
-#define RAW_CLOSURE_USER_DATA_OFFSET 20
-#elif FFI_TRAMPOLINE_SIZE == 24
-#define RAW_CLOSURE_CIF_OFFSET 24
-#define RAW_CLOSURE_FUN_OFFSET 28
-#define RAW_CLOSURE_USER_DATA_OFFSET 32
-#else
-#define RAW_CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) & ~3)
-#define RAW_CLOSURE_FUN_OFFSET (RAW_CLOSURE_CIF_OFFSET + 4)
-#define RAW_CLOSURE_USER_DATA_OFFSET (RAW_CLOSURE_FUN_OFFSET + 4)
-#endif
-#define CIF_FLAGS_OFFSET 20
-
- .align 4
-FFI_HIDDEN (ffi_closure_raw_SYSV)
-.globl ffi_closure_raw_SYSV
- .type ffi_closure_raw_SYSV, @function
-
-ffi_closure_raw_SYSV:
-.LFB3:
- pushl %ebp
-.LCFI4:
- movl %esp, %ebp
-.LCFI5:
- pushl %esi
-.LCFI6:
- subl $36, %esp
- movl RAW_CLOSURE_CIF_OFFSET(%eax), %esi /* closure->cif */
- movl RAW_CLOSURE_USER_DATA_OFFSET(%eax), %edx /* closure->user_data */
- movl %edx, 12(%esp) /* user_data */
- leal 8(%ebp), %edx /* __builtin_dwarf_cfa () */
- movl %edx, 8(%esp) /* raw_args */
- leal -24(%ebp), %edx
- movl %edx, 4(%esp) /* &res */
- movl %esi, (%esp) /* cif */
- call *RAW_CLOSURE_FUN_OFFSET(%eax) /* closure->fun */
- movl CIF_FLAGS_OFFSET(%esi), %eax /* rtype */
- cmpl $FFI_TYPE_INT, %eax
- je .Lrcls_retint
-
- /* Handle FFI_TYPE_UINT8, FFI_TYPE_SINT8, FFI_TYPE_UINT16,
- FFI_TYPE_SINT16, FFI_TYPE_UINT32, FFI_TYPE_SINT32. */
- cmpl $FFI_TYPE_UINT64, %eax
- jge 0f
- cmpl $FFI_TYPE_UINT8, %eax
- jge .Lrcls_retint
-0:
- cmpl $FFI_TYPE_FLOAT, %eax
- je .Lrcls_retfloat
- cmpl $FFI_TYPE_DOUBLE, %eax
- je .Lrcls_retdouble
- cmpl $FFI_TYPE_LONGDOUBLE, %eax
- je .Lrcls_retldouble
- cmpl $FFI_TYPE_SINT64, %eax
- je .Lrcls_retllong
-.Lrcls_epilogue:
- addl $36, %esp
- popl %esi
- popl %ebp
- ret
-.Lrcls_retint:
- movl -24(%ebp), %eax
- jmp .Lrcls_epilogue
-.Lrcls_retfloat:
- flds -24(%ebp)
- jmp .Lrcls_epilogue
-.Lrcls_retdouble:
- fldl -24(%ebp)
- jmp .Lrcls_epilogue
-.Lrcls_retldouble:
- fldt -24(%ebp)
- jmp .Lrcls_epilogue
-.Lrcls_retllong:
- movl -24(%ebp), %eax
- movl -20(%ebp), %edx
- jmp .Lrcls_epilogue
-.LFE3:
- .size ffi_closure_raw_SYSV, .-ffi_closure_raw_SYSV
-#endif
+ /* Fill out the table so that bad values are predictable. */
+E(X86_RET_UNUSED14)
+ ud2
+E(X86_RET_UNUSED15)
+ ud2
+
+ cfi_endproc
+ENDF(ffi_call_i386)
+
+/* The inner helper is declared as
+
+ void ffi_closure_inner(struct closure_frame *frame, char *argp)
+ __attribute_((fastcall))
+
+ Thus the arguments are placed in
+
+ ecx: frame
+ edx: argp
+*/
+
+/* Macros to help setting up the closure_data structure. */
+
+#define closure_FS (16 + 3*4 + 3*4 + 4)
-#if defined __GNUC__
-/* Only emit dwarf unwind info when building with GNU toolchain. */
+#define FFI_CLOSURE_SAVE_REGS \
+ movl %eax, 16+R_EAX*4(%esp); \
+ movl %edx, 16+R_EDX*4(%esp); \
+ movl %ecx, 16+R_ECX*4(%esp)
-#if defined __PIC__
-# if defined __sun__ && defined __svr4__
-/* 32-bit Solaris 2/x86 uses datarel encoding for PIC. GNU ld before 2.22
- doesn't correctly sort .eh_frame_hdr with mixed encodings, so match this. */
-# define FDE_ENCODING 0x30 /* datarel */
-# define FDE_ENCODE(X) X@GOTOFF
+#define FFI_CLOSURE_COPY_TRAMP_DATA \
+ movl FFI_TRAMPOLINE_SIZE(%eax), %edx; /* copy cif */ \
+ movl FFI_TRAMPOLINE_SIZE+4(%eax), %ecx; /* copy fun */ \
+ movl FFI_TRAMPOLINE_SIZE+8(%eax), %eax; /* copy user_data */ \
+ movl %edx, 28(%esp); \
+ movl %ecx, 32(%esp); \
+ movl %eax, 36(%esp)
+
+
+#ifdef __PIC__
+/* We're going to always load the got register here, even if .hidden says
+ we're going to avoid the PLT call. We'll use the got register in
+ FFI_CLOSURE_MASK_AND_JUMP. */
+# if defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
+# define PLT(X) X
# else
-# define FDE_ENCODING 0x1b /* pcrel sdata4 */
-# if defined HAVE_AS_X86_PCREL
-# define FDE_ENCODE(X) X-.
-# else
-# define FDE_ENCODE(X) X@rel
-# endif
+# define PLT(X) X@PLT
# endif
+# define FFI_CLOSURE_CALL_INNER \
+ movl %esp, %ecx; /* load closure_data */ \
+ leal closure_FS+4(%esp), %edx; /* load incoming stack */ \
+ movl %ebx, 40(%esp); /* save ebx */ \
+ cfi_rel_offset(%ebx, 40); \
+ call __x86.get_pc_thunk.bx; /* load got register */ \
+ addl $C(_GLOBAL_OFFSET_TABLE_), %ebx; \
+ call PLT(ffi_closure_inner)
+#define FFI_CLOSURE_MASK_AND_JUMP \
+ andl $X86_RET_TYPE_MASK, %eax; \
+ leal 0f@GOTOFF(%ebx, %eax, 8), %eax; \
+ movl 40(%esp), %ebx; /* restore ebx */ \
+ cfi_restore(%ebx); \
+ jmp *%eax
#else
-# define FDE_ENCODING 0 /* absolute */
-# define FDE_ENCODE(X) X
-#endif
+# define FFI_CLOSURE_CALL_INNER \
+ movl %esp, %ecx; /* load closure_data */ \
+ leal closure_FS+4(%esp), %edx; /* load incoming stack */ \
+ call ffi_closure_inner
+#define FFI_CLOSURE_MASK_AND_JUMP \
+ andl $X86_RET_TYPE_MASK, %eax; \
+ leal 0f(, %eax, 8), %eax; \
+ jmp *%eax
+#endif /* __PIC__ */
+
+#define FFI_GO_CLOSURE(suffix, chain, t1, t2) \
+ .align 16; \
+ .globl C(C1(ffi_go_closure_,suffix)); \
+ FFI_HIDDEN(C(C1(ffi_go_closure_,suffix))); \
+C(C1(ffi_go_closure_,suffix)): \
+ cfi_startproc; \
+ subl $closure_FS, %esp; \
+ /* Note clang bug 21515: adjust_cfa_offset error across endproc. */ \
+ cfi_def_cfa_offset(closure_FS + 4); \
+ FFI_CLOSURE_SAVE_REGS; \
+ movl 4(chain), t1; /* copy cif */ \
+ movl 8(chain), t2; /* copy fun */ \
+ movl t1, 28(%esp); \
+ movl t2, 32(%esp); \
+ movl chain, 36(%esp); /* closure is user_data */ \
+ jmp 88f; \
+ cfi_endproc; \
+ENDF(C(C1(ffi_go_closure_,suffix)))
+
+FFI_GO_CLOSURE(EAX, %eax, %edx, %ecx)
+FFI_GO_CLOSURE(ECX, %ecx, %edx, %eax)
+
+/* The closure entry points are reached from the ffi_closure trampoline.
+ On entry, %eax contains the address of the ffi_closure. */
+
+ .align 16
+ .globl C(ffi_closure_i386)
+ FFI_HIDDEN(C(ffi_closure_i386))
+
+C(ffi_closure_i386):
+ cfi_startproc
+ subl $closure_FS, %esp
+ /* Note clang bug 21515: adjust_cfa_offset error across endproc. */
+ cfi_def_cfa_offset(closure_FS + 4)
+
+ FFI_CLOSURE_SAVE_REGS
+ FFI_CLOSURE_COPY_TRAMP_DATA
+
+88: /* Entry point from preceeding Go closures. */
+
+ FFI_CLOSURE_CALL_INNER
+ FFI_CLOSURE_MASK_AND_JUMP
+
+ .align 8
+0:
+E(X86_RET_FLOAT)
+ flds (%esp)
+ jmp 9f
+E(X86_RET_DOUBLE)
+ fldl (%esp)
+ jmp 9f
+E(X86_RET_LDOUBLE)
+ fldt (%esp)
+ jmp 9f
+E(X86_RET_SINT8)
+ movsbl (%esp), %eax
+ jmp 9f
+E(X86_RET_SINT16)
+ movswl (%esp), %eax
+ jmp 9f
+E(X86_RET_UINT8)
+ movzbl (%esp), %eax
+ jmp 9f
+E(X86_RET_UINT16)
+ movzwl (%esp), %eax
+ jmp 9f
+E(X86_RET_INT64)
+ movl 4(%esp), %edx
+ /* fallthru */
+E(X86_RET_INT32)
+ movl (%esp), %eax
+ /* fallthru */
+E(X86_RET_VOID)
+9: addl $closure_FS, %esp
+ cfi_adjust_cfa_offset(-closure_FS)
+ ret
+ cfi_adjust_cfa_offset(closure_FS)
+E(X86_RET_STRUCTPOP)
+ addl $closure_FS, %esp
+ cfi_adjust_cfa_offset(-closure_FS)
+ ret $4
+ cfi_adjust_cfa_offset(closure_FS)
+E(X86_RET_STRUCTARG)
+ movl (%esp), %eax
+ jmp 9b
+E(X86_RET_STRUCT_1B)
+ movzbl (%esp), %eax
+ jmp 9b
+E(X86_RET_STRUCT_2B)
+ movzwl (%esp), %eax
+ jmp 9b
+
+ /* Fill out the table so that bad values are predictable. */
+E(X86_RET_UNUSED14)
+ ud2
+E(X86_RET_UNUSED15)
+ ud2
+
+ cfi_endproc
+ENDF(C(ffi_closure_i386))
+
+FFI_GO_CLOSURE(STDCALL, %ecx, %edx, %eax)
+
+/* For REGISTER, we have no available parameter registers, and so we
+ enter here having pushed the closure onto the stack. */
+
+ .align 16
+ .globl C(ffi_closure_REGISTER)
+ FFI_HIDDEN(C(ffi_closure_REGISTER))
+C(ffi_closure_REGISTER):
+ cfi_startproc
+ cfi_def_cfa(%esp, 8)
+ cfi_offset(%eip, -8)
+ subl $closure_FS-4, %esp
+ /* Note clang bug 21515: adjust_cfa_offset error across endproc. */
+ cfi_def_cfa_offset(closure_FS + 4)
+
+ FFI_CLOSURE_SAVE_REGS
+
+ movl closure_FS-4(%esp), %ecx /* load retaddr */
+ movl closure_FS(%esp), %eax /* load closure */
+ movl %ecx, closure_FS(%esp) /* move retaddr */
+ jmp 0f
+
+ cfi_endproc
+ENDF(C(ffi_closure_REGISTER))
+
+/* For STDCALL (and others), we need to pop N bytes of arguments off
+ the stack following the closure. The amount needing to be popped
+ is returned to us from ffi_closure_inner. */
+
+ .align 16
+ .globl C(ffi_closure_STDCALL)
+ FFI_HIDDEN(C(ffi_closure_STDCALL))
+C(ffi_closure_STDCALL):
+ cfi_startproc
+ subl $closure_FS, %esp
+ /* Note clang bug 21515: adjust_cfa_offset error across endproc. */
+ cfi_def_cfa_offset(closure_FS + 4)
+
+ FFI_CLOSURE_SAVE_REGS
+
+0: /* Entry point from ffi_closure_REGISTER. */
+
+ FFI_CLOSURE_COPY_TRAMP_DATA
+
+88: /* Entry point from preceeding Go closure. */
+
+ FFI_CLOSURE_CALL_INNER
+
+ movl %eax, %ecx
+ shrl $X86_RET_POP_SHIFT, %ecx /* isolate pop count */
+ leal closure_FS(%esp, %ecx), %ecx /* compute popped esp */
+ movl closure_FS(%esp), %edx /* move return address */
+ movl %edx, (%ecx)
+
+ /* New pseudo-stack frame based off ecx. This is unwind trickery
+ in that the CFA *has* changed, to the proper popped stack address.
+ Note that the location to which we moved the return address
+ is the new CFA-4, so that's unchanged. */
+ cfi_def_cfa(%ecx, 4)
+ /* Normally esp is unwound to CFA + the caller's ARGS_SIZE.
+ We've just set the CFA to that final value. Tell the unwinder
+ to restore esp from CFA without the ARGS_SIZE:
+ DW_CFA_val_expression %esp, DW_OP_call_frame_cfa. */
+ cfi_escape(0x16, 4, 1, 0x9c)
+
+ FFI_CLOSURE_MASK_AND_JUMP
+
+ .align 8
+0:
+E(X86_RET_FLOAT)
+ flds (%esp)
+ movl %ecx, %esp
+ ret
+E(X86_RET_DOUBLE)
+ fldl (%esp)
+ movl %ecx, %esp
+ ret
+E(X86_RET_LDOUBLE)
+ fldt (%esp)
+ movl %ecx, %esp
+ ret
+E(X86_RET_SINT8)
+ movsbl (%esp), %eax
+ movl %ecx, %esp
+ ret
+E(X86_RET_SINT16)
+ movswl (%esp), %eax
+ movl %ecx, %esp
+ ret
+E(X86_RET_UINT8)
+ movzbl (%esp), %eax
+ movl %ecx, %esp
+ ret
+E(X86_RET_UINT16)
+ movzwl (%esp), %eax
+ movl %ecx, %esp
+ ret
+E(X86_RET_INT64)
+ popl %eax
+ popl %edx
+ movl %ecx, %esp
+ ret
+E(X86_RET_INT32)
+ movl (%esp), %eax
+ movl %ecx, %esp
+ ret
+E(X86_RET_VOID)
+ movl %ecx, %esp
+ ret
+E(X86_RET_STRUCTPOP)
+ movl %ecx, %esp
+ ret
+E(X86_RET_STRUCTARG)
+ movl (%esp), %eax
+ movl %ecx, %esp
+ ret
+E(X86_RET_STRUCT_1B)
+ movzbl (%esp), %eax
+ movl %ecx, %esp
+ ret
+E(X86_RET_STRUCT_2B)
+ movzwl (%esp), %eax
+ movl %ecx, %esp
+ ret
- .section .eh_frame,EH_FRAME_FLAGS,@progbits
-.Lframe1:
- .long .LECIE1-.LSCIE1 /* Length of Common Information Entry */
-.LSCIE1:
- .long 0x0 /* CIE Identifier Tag */
- .byte 0x1 /* CIE Version */
-#ifdef HAVE_AS_ASCII_PSEUDO_OP
-#ifdef __PIC__
- .ascii "zR\0" /* CIE Augmentation */
-#else
- .ascii "\0" /* CIE Augmentation */
-#endif
-#elif defined HAVE_AS_STRING_PSEUDO_OP
-#ifdef __PIC__
- .string "zR" /* CIE Augmentation */
-#else
- .string "" /* CIE Augmentation */
-#endif
-#else
-#error missing .ascii/.string
-#endif
- .byte 0x1 /* .uleb128 0x1; CIE Code Alignment Factor */
- .byte 0x7c /* .sleb128 -4; CIE Data Alignment Factor */
- .byte 0x8 /* CIE RA Column */
-#ifdef __PIC__
- .byte 0x1 /* .uleb128 0x1; Augmentation size */
- .byte FDE_ENCODING
-#endif
- .byte 0xc /* DW_CFA_def_cfa */
- .byte 0x4 /* .uleb128 0x4 */
- .byte 0x4 /* .uleb128 0x4 */
- .byte 0x88 /* DW_CFA_offset, column 0x8 */
- .byte 0x1 /* .uleb128 0x1 */
- .align 4
-.LECIE1:
-.LSFDE1:
- .long .LEFDE1-.LASFDE1 /* FDE Length */
-.LASFDE1:
- .long .LASFDE1-.Lframe1 /* FDE CIE offset */
- .long FDE_ENCODE(.LFB1) /* FDE initial location */
- .long .LFE1-.LFB1 /* FDE address range */
-#ifdef __PIC__
- .byte 0x0 /* .uleb128 0x0; Augmentation size */
-#endif
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI0-.LFB1
- .byte 0xe /* DW_CFA_def_cfa_offset */
- .byte 0x8 /* .uleb128 0x8 */
- .byte 0x85 /* DW_CFA_offset, column 0x5 */
- .byte 0x2 /* .uleb128 0x2 */
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI1-.LCFI0
- .byte 0xd /* DW_CFA_def_cfa_register */
- .byte 0x5 /* .uleb128 0x5 */
- .align 4
-.LEFDE1:
-.LSFDE2:
- .long .LEFDE2-.LASFDE2 /* FDE Length */
-.LASFDE2:
- .long .LASFDE2-.Lframe1 /* FDE CIE offset */
- .long FDE_ENCODE(.LFB2) /* FDE initial location */
- .long .LFE2-.LFB2 /* FDE address range */
-#ifdef __PIC__
- .byte 0x0 /* .uleb128 0x0; Augmentation size */
-#endif
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI2-.LFB2
- .byte 0xe /* DW_CFA_def_cfa_offset */
- .byte 0x8 /* .uleb128 0x8 */
- .byte 0x85 /* DW_CFA_offset, column 0x5 */
- .byte 0x2 /* .uleb128 0x2 */
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI3-.LCFI2
- .byte 0xd /* DW_CFA_def_cfa_register */
- .byte 0x5 /* .uleb128 0x5 */
-#if !defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE && defined __PIC__
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI7-.LCFI3
- .byte 0x83 /* DW_CFA_offset, column 0x3 */
- .byte 0xa /* .uleb128 0xa */
-#endif
- .align 4
-.LEFDE2:
+ /* Fill out the table so that bad values are predictable. */
+E(X86_RET_UNUSED14)
+ ud2
+E(X86_RET_UNUSED15)
+ ud2
+
+ cfi_endproc
+ENDF(C(ffi_closure_STDCALL))
#if !FFI_NO_RAW_API
-.LSFDE3:
- .long .LEFDE3-.LASFDE3 /* FDE Length */
-.LASFDE3:
- .long .LASFDE3-.Lframe1 /* FDE CIE offset */
- .long FDE_ENCODE(.LFB3) /* FDE initial location */
- .long .LFE3-.LFB3 /* FDE address range */
+#define raw_closure_S_FS (16+16+12)
+
+ .align 16
+ .globl C(ffi_closure_raw_SYSV)
+ FFI_HIDDEN(C(ffi_closure_raw_SYSV))
+C(ffi_closure_raw_SYSV):
+ cfi_startproc
+ subl $raw_closure_S_FS, %esp
+ /* Note clang bug 21515: adjust_cfa_offset error across endproc. */
+ cfi_def_cfa_offset(raw_closure_S_FS + 4)
+ movl %ebx, raw_closure_S_FS-4(%esp)
+ cfi_rel_offset(%ebx, raw_closure_S_FS-4)
+
+ movl FFI_TRAMPOLINE_SIZE+8(%eax), %edx /* load cl->user_data */
+ movl %edx, 12(%esp)
+ leal raw_closure_S_FS+4(%esp), %edx /* load raw_args */
+ movl %edx, 8(%esp)
+ leal 16(%esp), %edx /* load &res */
+ movl %edx, 4(%esp)
+ movl FFI_TRAMPOLINE_SIZE(%eax), %ebx /* load cl->cif */
+ movl %ebx, (%esp)
+ call *FFI_TRAMPOLINE_SIZE+4(%eax) /* call cl->fun */
+
+ movl 20(%ebx), %eax /* load cif->flags */
+ andl $X86_RET_TYPE_MASK, %eax
#ifdef __PIC__
- .byte 0x0 /* .uleb128 0x0; Augmentation size */
+ call __x86.get_pc_thunk.bx
+1: leal 0f-1b(%ebx, %eax, 8), %eax
+#else
+ leal 0f(,%eax, 8), %eax
#endif
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI4-.LFB3
- .byte 0xe /* DW_CFA_def_cfa_offset */
- .byte 0x8 /* .uleb128 0x8 */
- .byte 0x85 /* DW_CFA_offset, column 0x5 */
- .byte 0x2 /* .uleb128 0x2 */
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI5-.LCFI4
- .byte 0xd /* DW_CFA_def_cfa_register */
- .byte 0x5 /* .uleb128 0x5 */
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI6-.LCFI5
- .byte 0x86 /* DW_CFA_offset, column 0x6 */
- .byte 0x3 /* .uleb128 0x3 */
- .align 4
-.LEFDE3:
+ movl raw_closure_S_FS-4(%esp), %ebx
+ cfi_restore(%ebx)
+ jmp *%eax
+ .align 8
+0:
+E(X86_RET_FLOAT)
+ flds 16(%esp)
+ jmp 9f
+E(X86_RET_DOUBLE)
+ fldl 16(%esp)
+ jmp 9f
+E(X86_RET_LDOUBLE)
+ fldt 16(%esp)
+ jmp 9f
+E(X86_RET_SINT8)
+ movsbl 16(%esp), %eax
+ jmp 9f
+E(X86_RET_SINT16)
+ movswl 16(%esp), %eax
+ jmp 9f
+E(X86_RET_UINT8)
+ movzbl 16(%esp), %eax
+ jmp 9f
+E(X86_RET_UINT16)
+ movzwl 16(%esp), %eax
+ jmp 9f
+E(X86_RET_INT64)
+ movl 16+4(%esp), %edx
+ /* fallthru */
+E(X86_RET_INT32)
+ movl 16(%esp), %eax
+ /* fallthru */
+E(X86_RET_VOID)
+9: addl $raw_closure_S_FS, %esp
+ cfi_adjust_cfa_offset(-raw_closure_S_FS)
+ ret
+ cfi_adjust_cfa_offset(raw_closure_S_FS)
+E(X86_RET_STRUCTPOP)
+ addl $raw_closure_S_FS, %esp
+ cfi_adjust_cfa_offset(-raw_closure_S_FS)
+ ret $4
+ cfi_adjust_cfa_offset(raw_closure_S_FS)
+E(X86_RET_STRUCTARG)
+ movl 16(%esp), %eax
+ jmp 9b
+E(X86_RET_STRUCT_1B)
+ movzbl 16(%esp), %eax
+ jmp 9b
+E(X86_RET_STRUCT_2B)
+ movzwl 16(%esp), %eax
+ jmp 9b
+
+ /* Fill out the table so that bad values are predictable. */
+E(X86_RET_UNUSED14)
+ ud2
+E(X86_RET_UNUSED15)
+ ud2
+
+ cfi_endproc
+ENDF(C(ffi_closure_raw_SYSV))
+
+#undef raw_closure_S_FS
+#define raw_closure_T_FS (16+16+8)
+
+ .align 16
+ .globl C(ffi_closure_raw_THISCALL)
+ FFI_HIDDEN(C(ffi_closure_raw_THISCALL))
+C(ffi_closure_raw_THISCALL):
+ cfi_startproc
+ /* Rearrange the stack such that %ecx is the first argument.
+ This means moving the return address. */
+ popl %edx
+ /* Note clang bug 21515: adjust_cfa_offset error across endproc. */
+ cfi_def_cfa_offset(0)
+ cfi_register(%eip, %edx)
+ pushl %ecx
+ cfi_adjust_cfa_offset(4)
+ pushl %edx
+ cfi_adjust_cfa_offset(4)
+ cfi_rel_offset(%eip, 0)
+ subl $raw_closure_T_FS, %esp
+ cfi_adjust_cfa_offset(raw_closure_T_FS)
+ movl %ebx, raw_closure_T_FS-4(%esp)
+ cfi_offset(%ebx, raw_closure_T_FS-4)
+
+ movl FFI_TRAMPOLINE_SIZE+8(%eax), %edx /* load cl->user_data */
+ movl %edx, 12(%esp)
+ leal raw_closure_T_FS+4(%esp), %edx /* load raw_args */
+ movl %edx, 8(%esp)
+ leal 16(%esp), %edx /* load &res */
+ movl %edx, 4(%esp)
+ movl FFI_TRAMPOLINE_SIZE(%eax), %ebx /* load cl->cif */
+ movl %ebx, (%esp)
+ call *FFI_TRAMPOLINE_SIZE+4(%eax) /* call cl->fun */
+
+ movl 20(%ebx), %eax /* load cif->flags */
+ andl $X86_RET_TYPE_MASK, %eax
+#ifdef __PIC__
+ call __x86.get_pc_thunk.bx
+1: leal 0f-1b(%ebx, %eax, 8), %eax
+#else
+ leal 0f(,%eax, 8), %eax
#endif
-#endif
+ movl raw_closure_T_FS-4(%esp), %ebx
+ cfi_restore(%ebx)
+ jmp *%eax
-#endif /* ifndef __x86_64__ */
+ .align 8
+0:
+E(X86_RET_FLOAT)
+ flds 16(%esp)
+ jmp 9f
+E(X86_RET_DOUBLE)
+ fldl 16(%esp)
+ jmp 9f
+E(X86_RET_LDOUBLE)
+ fldt 16(%esp)
+ jmp 9f
+E(X86_RET_SINT8)
+ movsbl 16(%esp), %eax
+ jmp 9f
+E(X86_RET_SINT16)
+ movswl 16(%esp), %eax
+ jmp 9f
+E(X86_RET_UINT8)
+ movzbl 16(%esp), %eax
+ jmp 9f
+E(X86_RET_UINT16)
+ movzwl 16(%esp), %eax
+ jmp 9f
+E(X86_RET_INT64)
+ movl 16+4(%esp), %edx
+ /* fallthru */
+E(X86_RET_INT32)
+ movl 16(%esp), %eax
+ /* fallthru */
+E(X86_RET_VOID)
+9: addl $raw_closure_T_FS, %esp
+ cfi_adjust_cfa_offset(-raw_closure_T_FS)
+ /* Remove the extra %ecx argument we pushed. */
+ ret $4
+ cfi_adjust_cfa_offset(raw_closure_T_FS)
+E(X86_RET_STRUCTPOP)
+ addl $raw_closure_T_FS, %esp
+ cfi_adjust_cfa_offset(-raw_closure_T_FS)
+ ret $8
+ cfi_adjust_cfa_offset(raw_closure_T_FS)
+E(X86_RET_STRUCTARG)
+ movl 16(%esp), %eax
+ jmp 9b
+E(X86_RET_STRUCT_1B)
+ movzbl 16(%esp), %eax
+ jmp 9b
+E(X86_RET_STRUCT_2B)
+ movzwl 16(%esp), %eax
+ jmp 9b
+
+ /* Fill out the table so that bad values are predictable. */
+E(X86_RET_UNUSED14)
+ ud2
+E(X86_RET_UNUSED15)
+ ud2
+
+ cfi_endproc
+ENDF(C(ffi_closure_raw_THISCALL))
+
+#endif /* !FFI_NO_RAW_API */
+
+#if defined(__PIC__)
+ .section .text.__x86.get_pc_thunk.bx,"axG",@progbits,__x86.get_pc_thunk.bx,comdat
+ .globl __x86.get_pc_thunk.bx
+ .hidden __x86.get_pc_thunk.bx
+ .type __x86.get_pc_thunk.bx,@function
+__x86.get_pc_thunk.bx:
+ cfi_startproc
+ movl (%esp), %ebx
+ ret
+ cfi_endproc
+ .size __x86.get_pc_thunk.bx, . - __x86.get_pc_thunk.bx
+#endif /* __PIC__ */
+#endif /* ifndef __x86_64__ */
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",@progbits
#endif
diff --git a/src/x86/unix64.S b/src/x86/unix64.S
index dcd6bc7..58cb153 100644
--- a/src/x86/unix64.S
+++ b/src/x86/unix64.S
@@ -30,8 +30,21 @@
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
-
-.text
+#include <ffi_cfi.h>
+#include "internal64.h"
+
+ .text
+
+/* This macro allows the safe creation of jump tables without an
+ actual table. The entry points into the table are all 8 bytes.
+ The use of ORG asserts that we're at the correct location. */
+/* ??? The clang assembler doesn't handle .org with symbolic expressions. */
+.macro E index
+ .align 8
+#ifndef __clang__
+ .org 0b + \index * 8, 0x90
+#endif
+.endm
/* ffi_call_unix64 (void *args, unsigned long bytes, unsigned flags,
void *raddr, void (*fnaddr)(void));
@@ -40,12 +53,13 @@
for this function. This has been allocated by ffi_call. We also
deallocate some of the stack that has been alloca'd. */
- .align 2
+ .align 8
.globl ffi_call_unix64
.type ffi_call_unix64,@function
+ FFI_HIDDEN(ffi_call_unix64)
ffi_call_unix64:
-.LUW0:
+ cfi_startproc
movq (%rsp), %r10 /* Load return address. */
leaq (%rdi, %rsi), %rax /* Find local stack base. */
movq %rdx, (%rax) /* Save flags. */
@@ -53,24 +67,36 @@ ffi_call_unix64:
movq %rbp, 16(%rax) /* Save old frame pointer. */
movq %r10, 24(%rax) /* Relocate return address. */
movq %rax, %rbp /* Finalize local stack frame. */
-.LUW1:
+
+ /* New stack frame based off rbp. This is a itty bit of unwind
+ trickery in that the CFA *has* changed. There is no easy way
+ to describe it correctly on entry to the function. Fortunately,
+ it doesn't matter too much since at all points we can correctly
+ unwind back to ffi_call. Note that the location to which we
+ moved the return address is (the new) CFA-8, so from the
+ perspective of the unwind info, it hasn't moved. */
+ cfi_def_cfa(%rbp, 32)
+ cfi_rel_offset(%rbp, 16)
+
movq %rdi, %r10 /* Save a copy of the register area. */
movq %r8, %r11 /* Save a copy of the target fn. */
movl %r9d, %eax /* Set number of SSE registers. */
/* Load up all argument registers. */
movq (%r10), %rdi
- movq 8(%r10), %rsi
- movq 16(%r10), %rdx
- movq 24(%r10), %rcx
- movq 32(%r10), %r8
- movq 40(%r10), %r9
+ movq 0x08(%r10), %rsi
+ movq 0x10(%r10), %rdx
+ movq 0x18(%r10), %rcx
+ movq 0x20(%r10), %r8
+ movq 0x28(%r10), %r9
+ movl 0xb0(%r10), %eax
testl %eax, %eax
jnz .Lload_sse
.Lret_from_load_sse:
- /* Deallocate the reg arg area. */
- leaq 176(%r10), %rsp
+ /* Deallocate the reg arg area, except for r10, then load via pop. */
+ leaq 0xb8(%r10), %rsp
+ popq %r10
/* Call the user function. */
call *%r11
@@ -81,352 +107,304 @@ ffi_call_unix64:
movq 0(%rbp), %rcx /* Reload flags. */
movq 8(%rbp), %rdi /* Reload raddr. */
movq 16(%rbp), %rbp /* Reload old frame pointer. */
-.LUW2:
+ cfi_remember_state
+ cfi_def_cfa(%rsp, 8)
+ cfi_restore(%rbp)
/* The first byte of the flags contains the FFI_TYPE. */
+ cmpb $UNIX64_RET_LAST, %cl
movzbl %cl, %r10d
- leaq .Lstore_table(%rip), %r11
- movslq (%r11, %r10, 4), %r10
- addq %r11, %r10
- jmp *%r10
+ leaq 0f(%rip), %r11
+ ja 9f
+ leaq (%r11, %r10, 8), %r10
-.Lstore_table:
- .long .Lst_void-.Lstore_table /* FFI_TYPE_VOID */
- .long .Lst_sint32-.Lstore_table /* FFI_TYPE_INT */
- .long .Lst_float-.Lstore_table /* FFI_TYPE_FLOAT */
- .long .Lst_double-.Lstore_table /* FFI_TYPE_DOUBLE */
- .long .Lst_ldouble-.Lstore_table /* FFI_TYPE_LONGDOUBLE */
- .long .Lst_uint8-.Lstore_table /* FFI_TYPE_UINT8 */
- .long .Lst_sint8-.Lstore_table /* FFI_TYPE_SINT8 */
- .long .Lst_uint16-.Lstore_table /* FFI_TYPE_UINT16 */
- .long .Lst_sint16-.Lstore_table /* FFI_TYPE_SINT16 */
- .long .Lst_uint32-.Lstore_table /* FFI_TYPE_UINT32 */
- .long .Lst_sint32-.Lstore_table /* FFI_TYPE_SINT32 */
- .long .Lst_int64-.Lstore_table /* FFI_TYPE_UINT64 */
- .long .Lst_int64-.Lstore_table /* FFI_TYPE_SINT64 */
- .long .Lst_struct-.Lstore_table /* FFI_TYPE_STRUCT */
- .long .Lst_int64-.Lstore_table /* FFI_TYPE_POINTER */
+ /* Prep for the structure cases: scratch area in redzone. */
+ leaq -20(%rsp), %rsi
+ jmp *%r10
- .align 2
-.Lst_void:
+ .align 8
+0:
+E UNIX64_RET_VOID
ret
- .align 2
-
-.Lst_uint8:
- movzbq %al, %rax
+E UNIX64_RET_UINT8
+ movzbl %al, %eax
movq %rax, (%rdi)
ret
- .align 2
-.Lst_sint8:
- movsbq %al, %rax
+E UNIX64_RET_UINT16
+ movzwl %ax, %eax
movq %rax, (%rdi)
ret
- .align 2
-.Lst_uint16:
- movzwq %ax, %rax
+E UNIX64_RET_UINT32
+ movl %eax, %eax
movq %rax, (%rdi)
- .align 2
-.Lst_sint16:
- movswq %ax, %rax
+ ret
+E UNIX64_RET_SINT8
+ movsbq %al, %rax
movq %rax, (%rdi)
ret
- .align 2
-.Lst_uint32:
- movl %eax, %eax
+E UNIX64_RET_SINT16
+ movswq %ax, %rax
movq %rax, (%rdi)
- .align 2
-.Lst_sint32:
+ ret
+E UNIX64_RET_SINT32
cltq
movq %rax, (%rdi)
ret
- .align 2
-.Lst_int64:
+E UNIX64_RET_INT64
movq %rax, (%rdi)
ret
-
- .align 2
-.Lst_float:
- movss %xmm0, (%rdi)
+E UNIX64_RET_XMM32
+ movd %xmm0, (%rdi)
ret
- .align 2
-.Lst_double:
- movsd %xmm0, (%rdi)
+E UNIX64_RET_XMM64
+ movq %xmm0, (%rdi)
ret
-.Lst_ldouble:
+E UNIX64_RET_X87
fstpt (%rdi)
ret
-
- .align 2
-.Lst_struct:
- leaq -20(%rsp), %rsi /* Scratch area in redzone. */
-
- /* We have to locate the values now, and since we don't want to
- write too much data into the user's return value, we spill the
- value to a 16 byte scratch area first. Bits 8, 9, and 10
- control where the values are located. Only one of the three
- bits will be set; see ffi_prep_cif_machdep for the pattern. */
- movd %xmm0, %r10
- movd %xmm1, %r11
- testl $0x100, %ecx
- cmovnz %rax, %rdx
- cmovnz %r10, %rax
- testl $0x200, %ecx
- cmovnz %r10, %rdx
- testl $0x400, %ecx
- cmovnz %r10, %rax
- cmovnz %r11, %rdx
- movq %rax, (%rsi)
+E UNIX64_RET_X87_2
+ fstpt (%rdi)
+ fstpt 16(%rdi)
+ ret
+E UNIX64_RET_ST_XMM0_RAX
+ movq %rax, 8(%rsi)
+ jmp 3f
+E UNIX64_RET_ST_RAX_XMM0
+ movq %xmm0, 8(%rsi)
+ jmp 2f
+E UNIX64_RET_ST_XMM0_XMM1
+ movq %xmm1, 8(%rsi)
+ jmp 3f
+E UNIX64_RET_ST_RAX_RDX
movq %rdx, 8(%rsi)
-
- /* Bits 12-31 contain the true size of the structure. Copy from
- the scratch area to the true destination. */
- shrl $12, %ecx
+2: movq %rax, (%rsi)
+ shrl $UNIX64_SIZE_SHIFT, %ecx
rep movsb
ret
+ .align 8
+3: movq %xmm0, (%rsi)
+ shrl $UNIX64_SIZE_SHIFT, %ecx
+ rep movsb
+ ret
+
+9: call abort@PLT
/* Many times we can avoid loading any SSE registers at all.
It's not worth an indirect jump to load the exact set of
SSE registers needed; zero or all is a good compromise. */
.align 2
-.LUW3:
+ cfi_restore_state
.Lload_sse:
- movdqa 48(%r10), %xmm0
- movdqa 64(%r10), %xmm1
- movdqa 80(%r10), %xmm2
- movdqa 96(%r10), %xmm3
- movdqa 112(%r10), %xmm4
- movdqa 128(%r10), %xmm5
- movdqa 144(%r10), %xmm6
- movdqa 160(%r10), %xmm7
+ movdqa 0x30(%r10), %xmm0
+ movdqa 0x40(%r10), %xmm1
+ movdqa 0x50(%r10), %xmm2
+ movdqa 0x60(%r10), %xmm3
+ movdqa 0x70(%r10), %xmm4
+ movdqa 0x80(%r10), %xmm5
+ movdqa 0x90(%r10), %xmm6
+ movdqa 0xa0(%r10), %xmm7
jmp .Lret_from_load_sse
-.LUW4:
+ cfi_endproc
.size ffi_call_unix64,.-ffi_call_unix64
+/* 6 general registers, 8 vector registers,
+ 32 bytes of rvalue, 8 bytes of alignment. */
+#define ffi_closure_OFS_G 0
+#define ffi_closure_OFS_V (6*8)
+#define ffi_closure_OFS_RVALUE (ffi_closure_OFS_V + 8*16)
+#define ffi_closure_FS (ffi_closure_OFS_RVALUE + 32 + 8)
+
+/* The location of rvalue within the red zone after deallocating the frame. */
+#define ffi_closure_RED_RVALUE (ffi_closure_OFS_RVALUE - ffi_closure_FS)
+
+ .align 2
+ .globl ffi_closure_unix64_sse
+ .type ffi_closure_unix64_sse,@function
+ FFI_HIDDEN(ffi_closure_unix64_sse)
+
+ffi_closure_unix64_sse:
+ cfi_startproc
+ subq $ffi_closure_FS, %rsp
+ /* Note clang bug 21515: adjust_cfa_offset error across endproc. */
+ cfi_def_cfa_offset(ffi_closure_FS + 8)
+
+ movdqa %xmm0, ffi_closure_OFS_V+0x00(%rsp)
+ movdqa %xmm1, ffi_closure_OFS_V+0x10(%rsp)
+ movdqa %xmm2, ffi_closure_OFS_V+0x20(%rsp)
+ movdqa %xmm3, ffi_closure_OFS_V+0x30(%rsp)
+ movdqa %xmm4, ffi_closure_OFS_V+0x40(%rsp)
+ movdqa %xmm5, ffi_closure_OFS_V+0x50(%rsp)
+ movdqa %xmm6, ffi_closure_OFS_V+0x60(%rsp)
+ movdqa %xmm7, ffi_closure_OFS_V+0x70(%rsp)
+ jmp 0f
+
+ cfi_endproc
+ .size ffi_closure_unix64_sse,.-ffi_closure_unix64_sse
+
.align 2
- .globl ffi_closure_unix64
+ .globl ffi_closure_unix64
.type ffi_closure_unix64,@function
+ FFI_HIDDEN(ffi_closure_unix64)
ffi_closure_unix64:
-.LUW5:
- /* The carry flag is set by the trampoline iff SSE registers
- are used. Don't clobber it before the branch instruction. */
- leaq -200(%rsp), %rsp
-.LUW6:
- movq %rdi, (%rsp)
- movq %rsi, 8(%rsp)
- movq %rdx, 16(%rsp)
- movq %rcx, 24(%rsp)
- movq %r8, 32(%rsp)
- movq %r9, 40(%rsp)
- jc .Lsave_sse
-.Lret_from_save_sse:
-
- movq %r10, %rdi
- leaq 176(%rsp), %rsi
- movq %rsp, %rdx
- leaq 208(%rsp), %rcx
- call ffi_closure_unix64_inner@PLT
+ cfi_startproc
+ subq $ffi_closure_FS, %rsp
+ /* Note clang bug 21515: adjust_cfa_offset error across endproc. */
+ cfi_def_cfa_offset(ffi_closure_FS + 8)
+0:
+ movq %rdi, ffi_closure_OFS_G+0x00(%rsp)
+ movq %rsi, ffi_closure_OFS_G+0x08(%rsp)
+ movq %rdx, ffi_closure_OFS_G+0x10(%rsp)
+ movq %rcx, ffi_closure_OFS_G+0x18(%rsp)
+ movq %r8, ffi_closure_OFS_G+0x20(%rsp)
+ movq %r9, ffi_closure_OFS_G+0x28(%rsp)
+
+#ifdef __ILP32__
+ movl FFI_TRAMPOLINE_SIZE(%r10), %edi /* Load cif */
+ movl FFI_TRAMPOLINE_SIZE+4(%r10), %esi /* Load fun */
+ movl FFI_TRAMPOLINE_SIZE+8(%r10), %edx /* Load user_data */
+#else
+ movq FFI_TRAMPOLINE_SIZE(%r10), %rdi /* Load cif */
+ movq FFI_TRAMPOLINE_SIZE+8(%r10), %rsi /* Load fun */
+ movq FFI_TRAMPOLINE_SIZE+16(%r10), %rdx /* Load user_data */
+#endif
+.Ldo_closure:
+ leaq ffi_closure_OFS_RVALUE(%rsp), %rcx /* Load rvalue */
+ movq %rsp, %r8 /* Load reg_args */
+ leaq ffi_closure_FS+8(%rsp), %r9 /* Load argp */
+ call ffi_closure_unix64_inner
/* Deallocate stack frame early; return value is now in redzone. */
- addq $200, %rsp
-.LUW7:
+ addq $ffi_closure_FS, %rsp
+ cfi_adjust_cfa_offset(-ffi_closure_FS)
/* The first byte of the return value contains the FFI_TYPE. */
+ cmpb $UNIX64_RET_LAST, %al
movzbl %al, %r10d
- leaq .Lload_table(%rip), %r11
- movslq (%r11, %r10, 4), %r10
- addq %r11, %r10
+ leaq 0f(%rip), %r11
+ ja 9f
+ leaq (%r11, %r10, 8), %r10
+ leaq ffi_closure_RED_RVALUE(%rsp), %rsi
jmp *%r10
-.Lload_table:
- .long .Lld_void-.Lload_table /* FFI_TYPE_VOID */
- .long .Lld_int32-.Lload_table /* FFI_TYPE_INT */
- .long .Lld_float-.Lload_table /* FFI_TYPE_FLOAT */
- .long .Lld_double-.Lload_table /* FFI_TYPE_DOUBLE */
- .long .Lld_ldouble-.Lload_table /* FFI_TYPE_LONGDOUBLE */
- .long .Lld_int8-.Lload_table /* FFI_TYPE_UINT8 */
- .long .Lld_int8-.Lload_table /* FFI_TYPE_SINT8 */
- .long .Lld_int16-.Lload_table /* FFI_TYPE_UINT16 */
- .long .Lld_int16-.Lload_table /* FFI_TYPE_SINT16 */
- .long .Lld_int32-.Lload_table /* FFI_TYPE_UINT32 */
- .long .Lld_int32-.Lload_table /* FFI_TYPE_SINT32 */
- .long .Lld_int64-.Lload_table /* FFI_TYPE_UINT64 */
- .long .Lld_int64-.Lload_table /* FFI_TYPE_SINT64 */
- .long .Lld_struct-.Lload_table /* FFI_TYPE_STRUCT */
- .long .Lld_int64-.Lload_table /* FFI_TYPE_POINTER */
-
- .align 2
-.Lld_void:
+ .align 8
+0:
+E UNIX64_RET_VOID
ret
-
- .align 2
-.Lld_int8:
- movzbl -24(%rsp), %eax
+E UNIX64_RET_UINT8
+ movzbl (%rsi), %eax
ret
- .align 2
-.Lld_int16:
- movzwl -24(%rsp), %eax
+E UNIX64_RET_UINT16
+ movzwl (%rsi), %eax
ret
- .align 2
-.Lld_int32:
- movl -24(%rsp), %eax
+E UNIX64_RET_UINT32
+ movl (%rsi), %eax
ret
- .align 2
-.Lld_int64:
- movq -24(%rsp), %rax
+E UNIX64_RET_SINT8
+ movsbl (%rsi), %eax
ret
-
- .align 2
-.Lld_float:
- movss -24(%rsp), %xmm0
+E UNIX64_RET_SINT16
+ movswl (%rsi), %eax
ret
- .align 2
-.Lld_double:
- movsd -24(%rsp), %xmm0
+E UNIX64_RET_SINT32
+ movl (%rsi), %eax
ret
- .align 2
-.Lld_ldouble:
- fldt -24(%rsp)
+E UNIX64_RET_INT64
+ movq (%rsi), %rax
ret
-
- .align 2
-.Lld_struct:
- /* There are four possibilities here, %rax/%rdx, %xmm0/%rax,
- %rax/%xmm0, %xmm0/%xmm1. We collapse two by always loading
- both rdx and xmm1 with the second word. For the remaining,
- bit 8 set means xmm0 gets the second word, and bit 9 means
- that rax gets the second word. */
- movq -24(%rsp), %rcx
- movq -16(%rsp), %rdx
- movq -16(%rsp), %xmm1
- testl $0x100, %eax
- cmovnz %rdx, %rcx
- movd %rcx, %xmm0
- testl $0x200, %eax
- movq -24(%rsp), %rax
- cmovnz %rdx, %rax
+E UNIX64_RET_XMM32
+ movd (%rsi), %xmm0
+ ret
+E UNIX64_RET_XMM64
+ movq (%rsi), %xmm0
+ ret
+E UNIX64_RET_X87
+ fldt (%rsi)
+ ret
+E UNIX64_RET_X87_2
+ fldt 16(%rsi)
+ fldt (%rsi)
+ ret
+E UNIX64_RET_ST_XMM0_RAX
+ movq 8(%rsi), %rax
+ jmp 3f
+E UNIX64_RET_ST_RAX_XMM0
+ movq 8(%rsi), %xmm0
+ jmp 2f
+E UNIX64_RET_ST_XMM0_XMM1
+ movq 8(%rsi), %xmm1
+ jmp 3f
+E UNIX64_RET_ST_RAX_RDX
+ movq 8(%rsi), %rdx
+2: movq (%rsi), %rax
+ ret
+ .align 8
+3: movq (%rsi), %xmm0
ret
- /* See the comment above .Lload_sse; the same logic applies here. */
- .align 2
-.LUW8:
-.Lsave_sse:
- movdqa %xmm0, 48(%rsp)
- movdqa %xmm1, 64(%rsp)
- movdqa %xmm2, 80(%rsp)
- movdqa %xmm3, 96(%rsp)
- movdqa %xmm4, 112(%rsp)
- movdqa %xmm5, 128(%rsp)
- movdqa %xmm6, 144(%rsp)
- movdqa %xmm7, 160(%rsp)
- jmp .Lret_from_save_sse
-
-.LUW9:
- .size ffi_closure_unix64,.-ffi_closure_unix64
-
-#ifdef __GNUC__
-/* Only emit DWARF unwind info when building with the GNU toolchain. */
-
-#ifdef HAVE_AS_X86_64_UNWIND_SECTION_TYPE
- .section .eh_frame,"a",@unwind
-#else
- .section .eh_frame,"a",@progbits
-#endif
-.Lframe1:
- .long .LECIE1-.LSCIE1 /* CIE Length */
-.LSCIE1:
- .long 0 /* CIE Identifier Tag */
- .byte 1 /* CIE Version */
- .ascii "zR\0" /* CIE Augmentation */
- .uleb128 1 /* CIE Code Alignment Factor */
- .sleb128 -8 /* CIE Data Alignment Factor */
- .byte 0x10 /* CIE RA Column */
- .uleb128 1 /* Augmentation size */
- .byte 0x1b /* FDE Encoding (pcrel sdata4) */
- .byte 0xc /* DW_CFA_def_cfa, %rsp offset 8 */
- .uleb128 7
- .uleb128 8
- .byte 0x80+16 /* DW_CFA_offset, %rip offset 1*-8 */
- .uleb128 1
- .align 8
-.LECIE1:
-.LSFDE1:
- .long .LEFDE1-.LASFDE1 /* FDE Length */
-.LASFDE1:
- .long .LASFDE1-.Lframe1 /* FDE CIE offset */
-#if HAVE_AS_X86_PCREL
- .long .LUW0-. /* FDE initial location */
-#else
- .long .LUW0@rel
-#endif
- .long .LUW4-.LUW0 /* FDE address range */
- .uleb128 0x0 /* Augmentation size */
+9: call abort@PLT
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LUW1-.LUW0
+ cfi_endproc
+ .size ffi_closure_unix64,.-ffi_closure_unix64
- /* New stack frame based off rbp. This is a itty bit of unwind
- trickery in that the CFA *has* changed. There is no easy way
- to describe it correctly on entry to the function. Fortunately,
- it doesn't matter too much since at all points we can correctly
- unwind back to ffi_call. Note that the location to which we
- moved the return address is (the new) CFA-8, so from the
- perspective of the unwind info, it hasn't moved. */
- .byte 0xc /* DW_CFA_def_cfa, %rbp offset 32 */
- .uleb128 6
- .uleb128 32
- .byte 0x80+6 /* DW_CFA_offset, %rbp offset 2*-8 */
- .uleb128 2
- .byte 0xa /* DW_CFA_remember_state */
-
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LUW2-.LUW1
- .byte 0xc /* DW_CFA_def_cfa, %rsp offset 8 */
- .uleb128 7
- .uleb128 8
- .byte 0xc0+6 /* DW_CFA_restore, %rbp */
-
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LUW3-.LUW2
- .byte 0xb /* DW_CFA_restore_state */
+ .align 2
+ .globl ffi_go_closure_unix64_sse
+ .type ffi_go_closure_unix64_sse,@function
+ FFI_HIDDEN(ffi_go_closure_unix64_sse)
+
+ffi_go_closure_unix64_sse:
+ cfi_startproc
+ subq $ffi_closure_FS, %rsp
+ /* Note clang bug 21515: adjust_cfa_offset error across endproc. */
+ cfi_def_cfa_offset(ffi_closure_FS + 8)
+
+ movdqa %xmm0, ffi_closure_OFS_V+0x00(%rsp)
+ movdqa %xmm1, ffi_closure_OFS_V+0x10(%rsp)
+ movdqa %xmm2, ffi_closure_OFS_V+0x20(%rsp)
+ movdqa %xmm3, ffi_closure_OFS_V+0x30(%rsp)
+ movdqa %xmm4, ffi_closure_OFS_V+0x40(%rsp)
+ movdqa %xmm5, ffi_closure_OFS_V+0x50(%rsp)
+ movdqa %xmm6, ffi_closure_OFS_V+0x60(%rsp)
+ movdqa %xmm7, ffi_closure_OFS_V+0x70(%rsp)
+ jmp 0f
+
+ cfi_endproc
+ .size ffi_go_closure_unix64_sse,.-ffi_go_closure_unix64_sse
- .align 8
-.LEFDE1:
-.LSFDE3:
- .long .LEFDE3-.LASFDE3 /* FDE Length */
-.LASFDE3:
- .long .LASFDE3-.Lframe1 /* FDE CIE offset */
-#if HAVE_AS_X86_PCREL
- .long .LUW5-. /* FDE initial location */
+ .align 2
+ .globl ffi_go_closure_unix64
+ .type ffi_go_closure_unix64,@function
+ FFI_HIDDEN(ffi_go_closure_unix64)
+
+ffi_go_closure_unix64:
+ cfi_startproc
+ subq $ffi_closure_FS, %rsp
+ /* Note clang bug 21515: adjust_cfa_offset error across endproc. */
+ cfi_def_cfa_offset(ffi_closure_FS + 8)
+0:
+ movq %rdi, ffi_closure_OFS_G+0x00(%rsp)
+ movq %rsi, ffi_closure_OFS_G+0x08(%rsp)
+ movq %rdx, ffi_closure_OFS_G+0x10(%rsp)
+ movq %rcx, ffi_closure_OFS_G+0x18(%rsp)
+ movq %r8, ffi_closure_OFS_G+0x20(%rsp)
+ movq %r9, ffi_closure_OFS_G+0x28(%rsp)
+
+#ifdef __ILP32__
+ movl 4(%r10), %edi /* Load cif */
+ movl 8(%r10), %esi /* Load fun */
+ movl %r10d, %edx /* Load closure (user_data) */
#else
- .long .LUW5@rel
+ movq 8(%r10), %rdi /* Load cif */
+ movq 16(%r10), %rsi /* Load fun */
+ movq %r10, %rdx /* Load closure (user_data) */
#endif
- .long .LUW9-.LUW5 /* FDE address range */
- .uleb128 0x0 /* Augmentation size */
+ jmp .Ldo_closure
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LUW6-.LUW5
- .byte 0xe /* DW_CFA_def_cfa_offset */
- .uleb128 208
- .byte 0xa /* DW_CFA_remember_state */
+ cfi_endproc
+ .size ffi_go_closure_unix64,.-ffi_go_closure_unix64
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LUW7-.LUW6
- .byte 0xe /* DW_CFA_def_cfa_offset */
- .uleb128 8
-
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LUW8-.LUW7
- .byte 0xb /* DW_CFA_restore_state */
-
- .align 8
-.LEFDE3:
-
-#endif /* __GNUC__ */
-
#endif /* __x86_64__ */
-
#if defined __ELF__ && defined __linux__
.section .note.GNU-stack,"",@progbits
#endif
diff --git a/src/x86/win32.S b/src/x86/win32.S
deleted file mode 100644
index 3680bf5..0000000
--- a/src/x86/win32.S
+++ /dev/null
@@ -1,1351 +0,0 @@
-/* -----------------------------------------------------------------------
- win32.S - Copyright (c) 2014 Anthony Green
- Copyright (c) 1996, 1998, 2001, 2002, 2009 Red Hat, Inc.
- Copyright (c) 2001 John Beniton
- Copyright (c) 2002 Ranjit Mathew
- Copyright (c) 2009 Daniel Witte
-
-
- X86 Foreign Function Interface
-
- Permission is hereby granted, free of charge, to any person obtaining
- a copy of this software and associated documentation files (the
- ``Software''), to deal in the Software without restriction, including
- without limitation the rights to use, copy, modify, merge, publish,
- distribute, sublicense, and/or sell copies of the Software, and to
- permit persons to whom the Software is furnished to do so, subject to
- the following conditions:
-
- The above copyright notice and this permission notice shall be included
- in all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- DEALINGS IN THE SOFTWARE.
- -----------------------------------------------------------------------
- */
-
-#define LIBFFI_ASM
-#include <fficonfig.h>
-#include <ffi.h>
-
-#define CIF_BYTES_OFFSET 16
-#define CIF_FLAGS_OFFSET 20
-
-#ifdef _MSC_VER
-
-#define CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) AND NOT 3)
-
-.386
-.MODEL FLAT, C
-
-EXTRN ffi_closure_SYSV_inner:NEAR
-EXTRN ffi_closure_WIN32_inner:NEAR
-
-_TEXT SEGMENT
-
-ffi_call_win32 PROC NEAR,
- ffi_prep_args : NEAR PTR DWORD,
- ecif : NEAR PTR DWORD,
- cif_abi : DWORD,
- cif_bytes : DWORD,
- cif_flags : DWORD,
- rvalue : NEAR PTR DWORD,
- fn : NEAR PTR DWORD
-
- ;; Make room for all of the new args.
- mov ecx, cif_bytes
- sub esp, ecx
-
- mov eax, esp
-
- ;; Call ffi_prep_args
- push ecif
- push eax
- call ffi_prep_args
- add esp, 8
-
- ;; Prepare registers
- ;; EAX stores the number of register arguments
- cmp eax, 0
- je fun
- cmp eax, 3
- jl prepr_two_cmp
-
- mov ecx, esp
- add esp, 12
- mov eax, DWORD PTR [ecx+8]
- jmp prepr_two
-prepr_two_cmp:
- cmp eax, 2
- jl prepr_one_prep
- mov ecx, esp
- add esp, 8
-prepr_two:
- mov edx, DWORD PTR [ecx+4]
- jmp prepr_one
-prepr_one_prep:
- mov ecx, esp
- add esp, 4
-prepr_one:
- mov ecx, DWORD PTR [ecx]
- cmp cif_abi, 7 ;; FFI_REGISTER
- jne fun
-
- xchg ecx, eax
-
-fun:
- ;; Call function
- call fn
-
- ;; Load ecx with the return type code
- mov ecx, cif_flags
-
- ;; If the return value pointer is NULL, assume no return value.
- cmp rvalue, 0
- jne ca_jumptable
-
- ;; Even if there is no space for the return value, we are
- ;; obliged to handle floating-point values.
- cmp ecx, FFI_TYPE_FLOAT
- jne ca_epilogue
- fstp st(0)
-
- jmp ca_epilogue
-
-ca_jumptable:
- jmp [ca_jumpdata + 4 * ecx]
-ca_jumpdata:
- ;; Do not insert anything here between label and jump table.
- dd offset ca_epilogue ;; FFI_TYPE_VOID
- dd offset ca_retint ;; FFI_TYPE_INT
- dd offset ca_retfloat ;; FFI_TYPE_FLOAT
- dd offset ca_retdouble ;; FFI_TYPE_DOUBLE
- dd offset ca_retlongdouble ;; FFI_TYPE_LONGDOUBLE
- dd offset ca_retuint8 ;; FFI_TYPE_UINT8
- dd offset ca_retsint8 ;; FFI_TYPE_SINT8
- dd offset ca_retuint16 ;; FFI_TYPE_UINT16
- dd offset ca_retsint16 ;; FFI_TYPE_SINT16
- dd offset ca_retint ;; FFI_TYPE_UINT32
- dd offset ca_retint ;; FFI_TYPE_SINT32
- dd offset ca_retint64 ;; FFI_TYPE_UINT64
- dd offset ca_retint64 ;; FFI_TYPE_SINT64
- dd offset ca_epilogue ;; FFI_TYPE_STRUCT
- dd offset ca_retint ;; FFI_TYPE_POINTER
- dd offset ca_retstruct1b ;; FFI_TYPE_SMALL_STRUCT_1B
- dd offset ca_retstruct2b ;; FFI_TYPE_SMALL_STRUCT_2B
- dd offset ca_retint ;; FFI_TYPE_SMALL_STRUCT_4B
- dd offset ca_epilogue ;; FFI_TYPE_MS_STRUCT
-
- /* Sign/zero extend as appropriate. */
-ca_retuint8:
- movzx eax, al
- jmp ca_retint
-
-ca_retsint8:
- movsx eax, al
- jmp ca_retint
-
-ca_retuint16:
- movzx eax, ax
- jmp ca_retint
-
-ca_retsint16:
- movsx eax, ax
- jmp ca_retint
-
-ca_retint:
- ;; Load %ecx with the pointer to storage for the return value
- mov ecx, rvalue
- mov [ecx + 0], eax
- jmp ca_epilogue
-
-ca_retint64:
- ;; Load %ecx with the pointer to storage for the return value
- mov ecx, rvalue
- mov [ecx + 0], eax
- mov [ecx + 4], edx
- jmp ca_epilogue
-
-ca_retfloat:
- ;; Load %ecx with the pointer to storage for the return value
- mov ecx, rvalue
- fstp DWORD PTR [ecx]
- jmp ca_epilogue
-
-ca_retdouble:
- ;; Load %ecx with the pointer to storage for the return value
- mov ecx, rvalue
- fstp QWORD PTR [ecx]
- jmp ca_epilogue
-
-ca_retlongdouble:
- ;; Load %ecx with the pointer to storage for the return value
- mov ecx, rvalue
- fstp TBYTE PTR [ecx]
- jmp ca_epilogue
-
-ca_retstruct1b:
- ;; Load %ecx with the pointer to storage for the return value
- mov ecx, rvalue
- mov [ecx + 0], al
- jmp ca_epilogue
-
-ca_retstruct2b:
- ;; Load %ecx with the pointer to storage for the return value
- mov ecx, rvalue
- mov [ecx + 0], ax
- jmp ca_epilogue
-
-ca_epilogue:
- ;; Epilogue code is autogenerated.
- ret
-ffi_call_win32 ENDP
-
-ffi_closure_THISCALL PROC NEAR
- ;; Insert the register argument on the stack as the first argument
- xchg DWORD PTR [esp+4], ecx
- xchg DWORD PTR [esp], ecx
- push ecx
- jmp ffi_closure_STDCALL
-ffi_closure_THISCALL ENDP
-
-ffi_closure_FASTCALL PROC NEAR
- ;; Insert the 2 register arguments on the stack as the first argument
- xchg DWORD PTR [esp+4], edx
- xchg DWORD PTR [esp], ecx
- push edx
- push ecx
- jmp ffi_closure_STDCALL
-ffi_closure_FASTCALL ENDP
-
-ffi_closure_REGISTER PROC NEAR
- ;; Insert the 3 register arguments on the stack as the first argument
- push eax
- xchg DWORD PTR [esp+8], ecx
- xchg DWORD PTR [esp+4], edx
- push ecx
- push edx
- jmp ffi_closure_STDCALL
-ffi_closure_REGISTER ENDP
-
-ffi_closure_SYSV PROC NEAR FORCEFRAME
- ;; the ffi_closure ctx is passed in eax by the trampoline.
-
- sub esp, 40
- lea edx, [ebp - 24]
- mov [ebp - 12], edx ;; resp
- lea edx, [ebp + 8]
-stub::
- mov [esp + 8], edx ;; args
- lea edx, [ebp - 12]
- mov [esp + 4], edx ;; &resp
- mov [esp], eax ;; closure
- call ffi_closure_SYSV_inner
- mov ecx, [ebp - 12]
-
-cs_jumptable:
- jmp [cs_jumpdata + 4 * eax]
-cs_jumpdata:
- ;; Do not insert anything here between the label and jump table.
- dd offset cs_epilogue ;; FFI_TYPE_VOID
- dd offset cs_retint ;; FFI_TYPE_INT
- dd offset cs_retfloat ;; FFI_TYPE_FLOAT
- dd offset cs_retdouble ;; FFI_TYPE_DOUBLE
- dd offset cs_retlongdouble ;; FFI_TYPE_LONGDOUBLE
- dd offset cs_retuint8 ;; FFI_TYPE_UINT8
- dd offset cs_retsint8 ;; FFI_TYPE_SINT8
- dd offset cs_retuint16 ;; FFI_TYPE_UINT16
- dd offset cs_retsint16 ;; FFI_TYPE_SINT16
- dd offset cs_retint ;; FFI_TYPE_UINT32
- dd offset cs_retint ;; FFI_TYPE_SINT32
- dd offset cs_retint64 ;; FFI_TYPE_UINT64
- dd offset cs_retint64 ;; FFI_TYPE_SINT64
- dd offset cs_retstruct ;; FFI_TYPE_STRUCT
- dd offset cs_retint ;; FFI_TYPE_POINTER
- dd offset cs_retsint8 ;; FFI_TYPE_SMALL_STRUCT_1B
- dd offset cs_retsint16 ;; FFI_TYPE_SMALL_STRUCT_2B
- dd offset cs_retint ;; FFI_TYPE_SMALL_STRUCT_4B
- dd offset cs_retmsstruct ;; FFI_TYPE_MS_STRUCT
-
-cs_retuint8:
- movzx eax, BYTE PTR [ecx]
- jmp cs_epilogue
-
-cs_retsint8:
- movsx eax, BYTE PTR [ecx]
- jmp cs_epilogue
-
-cs_retuint16:
- movzx eax, WORD PTR [ecx]
- jmp cs_epilogue
-
-cs_retsint16:
- movsx eax, WORD PTR [ecx]
- jmp cs_epilogue
-
-cs_retint:
- mov eax, [ecx]
- jmp cs_epilogue
-
-cs_retint64:
- mov eax, [ecx + 0]
- mov edx, [ecx + 4]
- jmp cs_epilogue
-
-cs_retfloat:
- fld DWORD PTR [ecx]
- jmp cs_epilogue
-
-cs_retdouble:
- fld QWORD PTR [ecx]
- jmp cs_epilogue
-
-cs_retlongdouble:
- fld TBYTE PTR [ecx]
- jmp cs_epilogue
-
-cs_retstruct:
- ;; Caller expects us to pop struct return value pointer hidden arg.
- ;; Epilogue code is autogenerated.
- ret 4
-
-cs_retmsstruct:
- ;; Caller expects us to return a pointer to the real return value.
- mov eax, ecx
- ;; Caller doesn't expects us to pop struct return value pointer hidden arg.
- jmp cs_epilogue
-
-cs_epilogue:
- ;; Epilogue code is autogenerated.
- ret
-ffi_closure_SYSV ENDP
-
-#if !FFI_NO_RAW_API
-
-#define RAW_CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) AND NOT 3)
-#define RAW_CLOSURE_FUN_OFFSET (RAW_CLOSURE_CIF_OFFSET + 4)
-#define RAW_CLOSURE_USER_DATA_OFFSET (RAW_CLOSURE_FUN_OFFSET + 4)
-
-ffi_closure_raw_THISCALL PROC NEAR USES esi FORCEFRAME
- sub esp, 36
- mov esi, [eax + RAW_CLOSURE_CIF_OFFSET] ;; closure->cif
- mov edx, [eax + RAW_CLOSURE_USER_DATA_OFFSET] ;; closure->user_data
- mov [esp + 12], edx
- lea edx, [ebp + 12]
- jmp stubraw
-ffi_closure_raw_THISCALL ENDP
-
-ffi_closure_raw_SYSV PROC NEAR USES esi FORCEFRAME
- ;; the ffi_closure ctx is passed in eax by the trampoline.
-
- sub esp, 40
- mov esi, [eax + RAW_CLOSURE_CIF_OFFSET] ;; closure->cif
- mov edx, [eax + RAW_CLOSURE_USER_DATA_OFFSET] ;; closure->user_data
- mov [esp + 12], edx ;; user_data
- lea edx, [ebp + 8]
-stubraw::
- mov [esp + 8], edx ;; raw_args
- lea edx, [ebp - 24]
- mov [esp + 4], edx ;; &res
- mov [esp], esi ;; cif
- call DWORD PTR [eax + RAW_CLOSURE_FUN_OFFSET] ;; closure->fun
- mov eax, [esi + CIF_FLAGS_OFFSET] ;; cif->flags
- lea ecx, [ebp - 24]
-
-cr_jumptable:
- jmp [cr_jumpdata + 4 * eax]
-cr_jumpdata:
- ;; Do not insert anything here between the label and jump table.
- dd offset cr_epilogue ;; FFI_TYPE_VOID
- dd offset cr_retint ;; FFI_TYPE_INT
- dd offset cr_retfloat ;; FFI_TYPE_FLOAT
- dd offset cr_retdouble ;; FFI_TYPE_DOUBLE
- dd offset cr_retlongdouble ;; FFI_TYPE_LONGDOUBLE
- dd offset cr_retuint8 ;; FFI_TYPE_UINT8
- dd offset cr_retsint8 ;; FFI_TYPE_SINT8
- dd offset cr_retuint16 ;; FFI_TYPE_UINT16
- dd offset cr_retsint16 ;; FFI_TYPE_SINT16
- dd offset cr_retint ;; FFI_TYPE_UINT32
- dd offset cr_retint ;; FFI_TYPE_SINT32
- dd offset cr_retint64 ;; FFI_TYPE_UINT64
- dd offset cr_retint64 ;; FFI_TYPE_SINT64
- dd offset cr_epilogue ;; FFI_TYPE_STRUCT
- dd offset cr_retint ;; FFI_TYPE_POINTER
- dd offset cr_retsint8 ;; FFI_TYPE_SMALL_STRUCT_1B
- dd offset cr_retsint16 ;; FFI_TYPE_SMALL_STRUCT_2B
- dd offset cr_retint ;; FFI_TYPE_SMALL_STRUCT_4B
- dd offset cr_epilogue ;; FFI_TYPE_MS_STRUCT
-
-cr_retuint8:
- movzx eax, BYTE PTR [ecx]
- jmp cr_epilogue
-
-cr_retsint8:
- movsx eax, BYTE PTR [ecx]
- jmp cr_epilogue
-
-cr_retuint16:
- movzx eax, WORD PTR [ecx]
- jmp cr_epilogue
-
-cr_retsint16:
- movsx eax, WORD PTR [ecx]
- jmp cr_epilogue
-
-cr_retint:
- mov eax, [ecx]
- jmp cr_epilogue
-
-cr_retint64:
- mov eax, [ecx + 0]
- mov edx, [ecx + 4]
- jmp cr_epilogue
-
-cr_retfloat:
- fld DWORD PTR [ecx]
- jmp cr_epilogue
-
-cr_retdouble:
- fld QWORD PTR [ecx]
- jmp cr_epilogue
-
-cr_retlongdouble:
- fld TBYTE PTR [ecx]
- jmp cr_epilogue
-
-cr_epilogue:
- ;; Epilogue code is autogenerated.
- ret
-ffi_closure_raw_SYSV ENDP
-
-#endif /* !FFI_NO_RAW_API */
-
-ffi_closure_STDCALL PROC NEAR FORCEFRAME
- mov eax, [esp] ;; the ffi_closure ctx passed by the trampoline.
-
- sub esp, 40
- lea edx, [ebp - 24]
- mov [ebp - 12], edx ;; resp
- lea edx, [ebp + 12] ;; account for stub return address on stack
- mov [esp + 8], edx ;; args
- lea edx, [ebp - 12]
- mov [esp + 4], edx ;; &resp
- mov [esp], eax ;; closure
- call ffi_closure_WIN32_inner
- mov ecx, [ebp - 12]
-
- xchg [ebp + 4], eax ;;xchg size of stack parameters and ffi_closure ctx
- mov eax, DWORD PTR [eax + CLOSURE_CIF_OFFSET]
- mov eax, DWORD PTR [eax + CIF_FLAGS_OFFSET]
-
-cd_jumptable:
- jmp [cd_jumpdata + 4 * eax]
-cd_jumpdata:
- ;; Do not insert anything here between the label and jump table.
- dd offset cd_epilogue ;; FFI_TYPE_VOID
- dd offset cd_retint ;; FFI_TYPE_INT
- dd offset cd_retfloat ;; FFI_TYPE_FLOAT
- dd offset cd_retdouble ;; FFI_TYPE_DOUBLE
- dd offset cd_retlongdouble ;; FFI_TYPE_LONGDOUBLE
- dd offset cd_retuint8 ;; FFI_TYPE_UINT8
- dd offset cd_retsint8 ;; FFI_TYPE_SINT8
- dd offset cd_retuint16 ;; FFI_TYPE_UINT16
- dd offset cd_retsint16 ;; FFI_TYPE_SINT16
- dd offset cd_retint ;; FFI_TYPE_UINT32
- dd offset cd_retint ;; FFI_TYPE_SINT32
- dd offset cd_retint64 ;; FFI_TYPE_UINT64
- dd offset cd_retint64 ;; FFI_TYPE_SINT64
- dd offset cd_epilogue ;; FFI_TYPE_STRUCT
- dd offset cd_retint ;; FFI_TYPE_POINTER
- dd offset cd_retsint8 ;; FFI_TYPE_SMALL_STRUCT_1B
- dd offset cd_retsint16 ;; FFI_TYPE_SMALL_STRUCT_2B
- dd offset cd_retint ;; FFI_TYPE_SMALL_STRUCT_4B
-
-cd_retuint8:
- movzx eax, BYTE PTR [ecx]
- jmp cd_epilogue
-
-cd_retsint8:
- movsx eax, BYTE PTR [ecx]
- jmp cd_epilogue
-
-cd_retuint16:
- movzx eax, WORD PTR [ecx]
- jmp cd_epilogue
-
-cd_retsint16:
- movsx eax, WORD PTR [ecx]
- jmp cd_epilogue
-
-cd_retint:
- mov eax, [ecx]
- jmp cd_epilogue
-
-cd_retint64:
- mov eax, [ecx + 0]
- mov edx, [ecx + 4]
- jmp cd_epilogue
-
-cd_retfloat:
- fld DWORD PTR [ecx]
- jmp cd_epilogue
-
-cd_retdouble:
- fld QWORD PTR [ecx]
- jmp cd_epilogue
-
-cd_retlongdouble:
- fld TBYTE PTR [ecx]
- jmp cd_epilogue
-
-cd_epilogue:
- mov esp, ebp
- pop ebp
- mov ecx, [esp + 4] ;; Return address
- add esp, [esp] ;; Parameters stack size
- add esp, 8
- jmp ecx
-ffi_closure_STDCALL ENDP
-
-_TEXT ENDS
-END
-
-#else
-
-#define CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) & ~3)
-
-#if defined(SYMBOL_UNDERSCORE)
-#define USCORE_SYMBOL(x) _##x
-#else
-#define USCORE_SYMBOL(x) x
-#endif
- .text
-
- # This assumes we are using gas.
- .balign 16
-FFI_HIDDEN(ffi_call_win32)
- .globl USCORE_SYMBOL(ffi_call_win32)
-#if defined(X86_WIN32) && !defined(__OS2__)
- .def _ffi_call_win32; .scl 2; .type 32; .endef
-#endif
-USCORE_SYMBOL(ffi_call_win32):
-.LFB1:
- pushl %ebp
-.LCFI0:
- movl %esp,%ebp
-.LCFI1:
- # Make room for all of the new args.
- movl 20(%ebp),%ecx
- subl %ecx,%esp
-
- movl %esp,%eax
-
- # Call ffi_prep_args
- pushl 12(%ebp)
- pushl %eax
- call *8(%ebp)
- addl $8,%esp
-
- # Prepare registers
- # EAX stores the number of register arguments
- cmpl $0, %eax
- je .fun
- cmpl $3, %eax
- jl .prepr_two_cmp
-
- movl %esp, %ecx
- addl $12, %esp
- movl 8(%ecx), %eax
- jmp .prepr_two
-.prepr_two_cmp:
- cmpl $2, %eax
- jl .prepr_one_prep
- movl %esp, %ecx
- addl $8, %esp
-.prepr_two:
- movl 4(%ecx), %edx
- jmp .prepr_one
-.prepr_one_prep:
- movl %esp, %ecx
- addl $4, %esp
-.prepr_one:
- movl (%ecx), %ecx
- cmpl $7, 16(%ebp) # FFI_REGISTER
- jne .fun
-
- xchgl %eax, %ecx
-
-.fun:
- # FIXME: Align the stack to a 128-bit boundary to avoid
- # potential performance hits.
-
- # Call function
- call *32(%ebp)
-
- # stdcall functions pop arguments off the stack themselves
-
- # Load %ecx with the return type code
- movl 24(%ebp),%ecx
-
- # If the return value pointer is NULL, assume no return value.
- cmpl $0,28(%ebp)
- jne 0f
-
- # Even if there is no space for the return value, we are
- # obliged to handle floating-point values.
- cmpl $FFI_TYPE_FLOAT,%ecx
- jne .Lnoretval
- fstp %st(0)
-
- jmp .Lepilogue
-
-0:
- call 1f
- # Do not insert anything here between the call and the jump table.
-.Lstore_table:
- .long .Lnoretval-.Lstore_table /* FFI_TYPE_VOID */
- .long .Lretint-.Lstore_table /* FFI_TYPE_INT */
- .long .Lretfloat-.Lstore_table /* FFI_TYPE_FLOAT */
- .long .Lretdouble-.Lstore_table /* FFI_TYPE_DOUBLE */
- .long .Lretlongdouble-.Lstore_table /* FFI_TYPE_LONGDOUBLE */
- .long .Lretuint8-.Lstore_table /* FFI_TYPE_UINT8 */
- .long .Lretsint8-.Lstore_table /* FFI_TYPE_SINT8 */
- .long .Lretuint16-.Lstore_table /* FFI_TYPE_UINT16 */
- .long .Lretsint16-.Lstore_table /* FFI_TYPE_SINT16 */
- .long .Lretint-.Lstore_table /* FFI_TYPE_UINT32 */
- .long .Lretint-.Lstore_table /* FFI_TYPE_SINT32 */
- .long .Lretint64-.Lstore_table /* FFI_TYPE_UINT64 */
- .long .Lretint64-.Lstore_table /* FFI_TYPE_SINT64 */
- .long .Lretstruct-.Lstore_table /* FFI_TYPE_STRUCT */
- .long .Lretint-.Lstore_table /* FFI_TYPE_POINTER */
- .long .Lretstruct1b-.Lstore_table /* FFI_TYPE_SMALL_STRUCT_1B */
- .long .Lretstruct2b-.Lstore_table /* FFI_TYPE_SMALL_STRUCT_2B */
- .long .Lretstruct4b-.Lstore_table /* FFI_TYPE_SMALL_STRUCT_4B */
- .long .Lretstruct-.Lstore_table /* FFI_TYPE_MS_STRUCT */
-1:
- shl $2, %ecx
- add (%esp),%ecx
- mov (%ecx),%ecx
- add (%esp),%ecx
- add $4, %esp
- jmp *%ecx
-
- /* Sign/zero extend as appropriate. */
-.Lretsint8:
- movsbl %al, %eax
- jmp .Lretint
-
-.Lretsint16:
- movswl %ax, %eax
- jmp .Lretint
-
-.Lretuint8:
- movzbl %al, %eax
- jmp .Lretint
-
-.Lretuint16:
- movzwl %ax, %eax
- jmp .Lretint
-
-.Lretint:
- # Load %ecx with the pointer to storage for the return value
- movl 28(%ebp),%ecx
- movl %eax,0(%ecx)
- jmp .Lepilogue
-
-.Lretfloat:
- # Load %ecx with the pointer to storage for the return value
- movl 28(%ebp),%ecx
- fstps (%ecx)
- jmp .Lepilogue
-
-.Lretdouble:
- # Load %ecx with the pointer to storage for the return value
- movl 28(%ebp),%ecx
- fstpl (%ecx)
- jmp .Lepilogue
-
-.Lretlongdouble:
- # Load %ecx with the pointer to storage for the return value
- movl 28(%ebp),%ecx
- fstpt (%ecx)
- jmp .Lepilogue
-
-.Lretint64:
- # Load %ecx with the pointer to storage for the return value
- movl 28(%ebp),%ecx
- movl %eax,0(%ecx)
- movl %edx,4(%ecx)
- jmp .Lepilogue
-
-.Lretstruct1b:
- # Load %ecx with the pointer to storage for the return value
- movl 28(%ebp),%ecx
- movb %al,0(%ecx)
- jmp .Lepilogue
-
-.Lretstruct2b:
- # Load %ecx with the pointer to storage for the return value
- movl 28(%ebp),%ecx
- movw %ax,0(%ecx)
- jmp .Lepilogue
-
-.Lretstruct4b:
- # Load %ecx with the pointer to storage for the return value
- movl 28(%ebp),%ecx
- movl %eax,0(%ecx)
- jmp .Lepilogue
-
-.Lretstruct:
- # Nothing to do!
-
-.Lnoretval:
-.Lepilogue:
- movl %ebp,%esp
- popl %ebp
- ret
-.ffi_call_win32_end:
- .balign 16
-FFI_HIDDEN(ffi_closure_THISCALL)
- .globl USCORE_SYMBOL(ffi_closure_THISCALL)
-#if defined(X86_WIN32) && !defined(__OS2__)
- .def _ffi_closure_THISCALL; .scl 2; .type 32; .endef
-#endif
-USCORE_SYMBOL(ffi_closure_THISCALL):
- /* Insert the register argument on the stack as the first argument */
- xchg %ecx, 4(%esp)
- xchg %ecx, (%esp)
- push %ecx
- jmp .ffi_closure_STDCALL_internal
-
- .balign 16
-FFI_HIDDEN(ffi_closure_FASTCALL)
- .globl USCORE_SYMBOL(ffi_closure_FASTCALL)
-#if defined(X86_WIN32) && !defined(__OS2__)
- .def _ffi_closure_FASTCALL; .scl 2; .type 32; .endef
-#endif
-USCORE_SYMBOL(ffi_closure_FASTCALL):
- /* Insert the 2 register arguments on the stack as the first two arguments */
- xchg %edx, 4(%esp)
- xchg %ecx, (%esp)
- push %edx
- push %ecx
- jmp .ffi_closure_STDCALL_internal
-FFI_HIDDEN(ffi_closure_REGISTER)
- .globl USCORE_SYMBOL(ffi_closure_REGISTER)
-#if defined(X86_WIN32) && !defined(__OS2__)
- .def _ffi_closure_REGISTER; .scl 2; .type 32; .endef
-#endif
-USCORE_SYMBOL(ffi_closure_REGISTER):
- /* Insert the 3 register arguments on the stack as the first two arguments */
- push %eax
- xchg %ecx, 8(%esp)
- xchg %edx, 4(%esp)
- push %ecx
- push %edx
- jmp .ffi_closure_STDCALL_internal
-
-.LFE1:
- # This assumes we are using gas.
- .balign 16
-FFI_HIDDEN(ffi_closure_SYSV)
-#if defined(X86_WIN32)
- .globl USCORE_SYMBOL(ffi_closure_SYSV)
-#if defined(X86_WIN32) && !defined(__OS2__)
- .def _ffi_closure_SYSV; .scl 2; .type 32; .endef
-#endif
-USCORE_SYMBOL(ffi_closure_SYSV):
-#endif
-.LFB3:
- pushl %ebp
-.LCFI4:
- movl %esp, %ebp
-.LCFI5:
- subl $40, %esp
- leal -24(%ebp), %edx
- movl %edx, -12(%ebp) /* resp */
- leal 8(%ebp), %edx
- movl %edx, 4(%esp) /* args = __builtin_dwarf_cfa () */
- leal -12(%ebp), %edx
- movl %edx, (%esp) /* &resp */
-#if defined(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE) || !defined(__PIC__)
- call USCORE_SYMBOL(ffi_closure_SYSV_inner)
-#elif defined(X86_DARWIN)
- calll L_ffi_closure_SYSV_inner$stub
-#else
- movl %ebx, 8(%esp)
- call 1f
-1: popl %ebx
- addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
- call ffi_closure_SYSV_inner@PLT
- movl 8(%esp), %ebx
-#endif
- movl -12(%ebp), %ecx
-
-0:
- call 1f
- # Do not insert anything here between the call and the jump table.
-.Lcls_store_table:
- .long .Lcls_noretval-.Lcls_store_table /* FFI_TYPE_VOID */
- .long .Lcls_retint-.Lcls_store_table /* FFI_TYPE_INT */
- .long .Lcls_retfloat-.Lcls_store_table /* FFI_TYPE_FLOAT */
- .long .Lcls_retdouble-.Lcls_store_table /* FFI_TYPE_DOUBLE */
- .long .Lcls_retldouble-.Lcls_store_table /* FFI_TYPE_LONGDOUBLE */
- .long .Lcls_retuint8-.Lcls_store_table /* FFI_TYPE_UINT8 */
- .long .Lcls_retsint8-.Lcls_store_table /* FFI_TYPE_SINT8 */
- .long .Lcls_retuint16-.Lcls_store_table /* FFI_TYPE_UINT16 */
- .long .Lcls_retsint16-.Lcls_store_table /* FFI_TYPE_SINT16 */
- .long .Lcls_retint-.Lcls_store_table /* FFI_TYPE_UINT32 */
- .long .Lcls_retint-.Lcls_store_table /* FFI_TYPE_SINT32 */
- .long .Lcls_retllong-.Lcls_store_table /* FFI_TYPE_UINT64 */
- .long .Lcls_retllong-.Lcls_store_table /* FFI_TYPE_SINT64 */
- .long .Lcls_retstruct-.Lcls_store_table /* FFI_TYPE_STRUCT */
- .long .Lcls_retint-.Lcls_store_table /* FFI_TYPE_POINTER */
- .long .Lcls_retstruct1-.Lcls_store_table /* FFI_TYPE_SMALL_STRUCT_1B */
- .long .Lcls_retstruct2-.Lcls_store_table /* FFI_TYPE_SMALL_STRUCT_2B */
- .long .Lcls_retstruct4-.Lcls_store_table /* FFI_TYPE_SMALL_STRUCT_4B */
- .long .Lcls_retmsstruct-.Lcls_store_table /* FFI_TYPE_MS_STRUCT */
-
-1:
- shl $2, %eax
- add (%esp),%eax
- mov (%eax),%eax
- add (%esp),%eax
- add $4, %esp
- jmp *%eax
-
- /* Sign/zero extend as appropriate. */
-.Lcls_retsint8:
- movsbl (%ecx), %eax
- jmp .Lcls_epilogue
-
-.Lcls_retsint16:
- movswl (%ecx), %eax
- jmp .Lcls_epilogue
-
-.Lcls_retuint8:
- movzbl (%ecx), %eax
- jmp .Lcls_epilogue
-
-.Lcls_retuint16:
- movzwl (%ecx), %eax
- jmp .Lcls_epilogue
-
-.Lcls_retint:
- movl (%ecx), %eax
- jmp .Lcls_epilogue
-
-.Lcls_retfloat:
- flds (%ecx)
- jmp .Lcls_epilogue
-
-.Lcls_retdouble:
- fldl (%ecx)
- jmp .Lcls_epilogue
-
-.Lcls_retldouble:
- fldt (%ecx)
- jmp .Lcls_epilogue
-
-.Lcls_retllong:
- movl (%ecx), %eax
- movl 4(%ecx), %edx
- jmp .Lcls_epilogue
-
-.Lcls_retstruct1:
- movsbl (%ecx), %eax
- jmp .Lcls_epilogue
-
-.Lcls_retstruct2:
- movswl (%ecx), %eax
- jmp .Lcls_epilogue
-
-.Lcls_retstruct4:
- movl (%ecx), %eax
- jmp .Lcls_epilogue
-
-.Lcls_retstruct:
- # Caller expects us to pop struct return value pointer hidden arg.
- movl %ebp, %esp
- popl %ebp
- ret $0x4
-
-.Lcls_retmsstruct:
- # Caller expects us to return a pointer to the real return value.
- mov %ecx, %eax
- # Caller doesn't expects us to pop struct return value pointer hidden arg.
- jmp .Lcls_epilogue
-
-.Lcls_noretval:
-.Lcls_epilogue:
- movl %ebp, %esp
- popl %ebp
- ret
-.ffi_closure_SYSV_end:
-.LFE3:
-
-#if !FFI_NO_RAW_API
-
-#define RAW_CLOSURE_CIF_OFFSET ((FFI_TRAMPOLINE_SIZE + 3) & ~3)
-#define RAW_CLOSURE_FUN_OFFSET (RAW_CLOSURE_CIF_OFFSET + 4)
-#define RAW_CLOSURE_USER_DATA_OFFSET (RAW_CLOSURE_FUN_OFFSET + 4)
-
-#ifdef X86_WIN32
- .balign 16
-FFI_HIDDEN(ffi_closure_raw_THISCALL)
- .globl USCORE_SYMBOL(ffi_closure_raw_THISCALL)
-#if defined(X86_WIN32) && !defined(__OS2__)
- .def _ffi_closure_raw_THISCALL; .scl 2; .type 32; .endef
-#endif
-USCORE_SYMBOL(ffi_closure_raw_THISCALL):
- pushl %ebp
- movl %esp, %ebp
- pushl %esi
- subl $36, %esp
- movl RAW_CLOSURE_CIF_OFFSET(%eax), %esi /* closure->cif */
- movl RAW_CLOSURE_USER_DATA_OFFSET(%eax), %edx /* closure->user_data */
- movl %edx, 12(%esp) /* user_data */
- leal 12(%ebp), %edx /* __builtin_dwarf_cfa () */
- jmp .stubraw
-#endif /* X86_WIN32 */
-
- # This assumes we are using gas.
- .balign 16
-#if defined(X86_WIN32)
- .globl USCORE_SYMBOL(ffi_closure_raw_SYSV)
-#if defined(X86_WIN32) && !defined(__OS2__)
- .def _ffi_closure_raw_SYSV; .scl 2; .type 32; .endef
-#endif
-USCORE_SYMBOL(ffi_closure_raw_SYSV):
-#endif /* defined(X86_WIN32) */
-.LFB4:
- pushl %ebp
-.LCFI6:
- movl %esp, %ebp
-.LCFI7:
- pushl %esi
-.LCFI8:
- subl $36, %esp
- movl RAW_CLOSURE_CIF_OFFSET(%eax), %esi /* closure->cif */
- movl RAW_CLOSURE_USER_DATA_OFFSET(%eax), %edx /* closure->user_data */
- movl %edx, 12(%esp) /* user_data */
- leal 8(%ebp), %edx /* __builtin_dwarf_cfa () */
-.stubraw:
- movl %edx, 8(%esp) /* raw_args */
- leal -24(%ebp), %edx
- movl %edx, 4(%esp) /* &res */
- movl %esi, (%esp) /* cif */
- call *RAW_CLOSURE_FUN_OFFSET(%eax) /* closure->fun */
- movl CIF_FLAGS_OFFSET(%esi), %eax /* rtype */
-0:
- call 1f
- # Do not insert anything here between the call and the jump table.
-.Lrcls_store_table:
- .long .Lrcls_noretval-.Lrcls_store_table /* FFI_TYPE_VOID */
- .long .Lrcls_retint-.Lrcls_store_table /* FFI_TYPE_INT */
- .long .Lrcls_retfloat-.Lrcls_store_table /* FFI_TYPE_FLOAT */
- .long .Lrcls_retdouble-.Lrcls_store_table /* FFI_TYPE_DOUBLE */
- .long .Lrcls_retldouble-.Lrcls_store_table /* FFI_TYPE_LONGDOUBLE */
- .long .Lrcls_retuint8-.Lrcls_store_table /* FFI_TYPE_UINT8 */
- .long .Lrcls_retsint8-.Lrcls_store_table /* FFI_TYPE_SINT8 */
- .long .Lrcls_retuint16-.Lrcls_store_table /* FFI_TYPE_UINT16 */
- .long .Lrcls_retsint16-.Lrcls_store_table /* FFI_TYPE_SINT16 */
- .long .Lrcls_retint-.Lrcls_store_table /* FFI_TYPE_UINT32 */
- .long .Lrcls_retint-.Lrcls_store_table /* FFI_TYPE_SINT32 */
- .long .Lrcls_retllong-.Lrcls_store_table /* FFI_TYPE_UINT64 */
- .long .Lrcls_retllong-.Lrcls_store_table /* FFI_TYPE_SINT64 */
- .long .Lrcls_retstruct-.Lrcls_store_table /* FFI_TYPE_STRUCT */
- .long .Lrcls_retint-.Lrcls_store_table /* FFI_TYPE_POINTER */
- .long .Lrcls_retstruct1-.Lrcls_store_table /* FFI_TYPE_SMALL_STRUCT_1B */
- .long .Lrcls_retstruct2-.Lrcls_store_table /* FFI_TYPE_SMALL_STRUCT_2B */
- .long .Lrcls_retstruct4-.Lrcls_store_table /* FFI_TYPE_SMALL_STRUCT_4B */
- .long .Lrcls_retstruct-.Lrcls_store_table /* FFI_TYPE_MS_STRUCT */
-1:
- shl $2, %eax
- add (%esp),%eax
- mov (%eax),%eax
- add (%esp),%eax
- add $4, %esp
- jmp *%eax
-
- /* Sign/zero extend as appropriate. */
-.Lrcls_retsint8:
- movsbl -24(%ebp), %eax
- jmp .Lrcls_epilogue
-
-.Lrcls_retsint16:
- movswl -24(%ebp), %eax
- jmp .Lrcls_epilogue
-
-.Lrcls_retuint8:
- movzbl -24(%ebp), %eax
- jmp .Lrcls_epilogue
-
-.Lrcls_retuint16:
- movzwl -24(%ebp), %eax
- jmp .Lrcls_epilogue
-
-.Lrcls_retint:
- movl -24(%ebp), %eax
- jmp .Lrcls_epilogue
-
-.Lrcls_retfloat:
- flds -24(%ebp)
- jmp .Lrcls_epilogue
-
-.Lrcls_retdouble:
- fldl -24(%ebp)
- jmp .Lrcls_epilogue
-
-.Lrcls_retldouble:
- fldt -24(%ebp)
- jmp .Lrcls_epilogue
-
-.Lrcls_retllong:
- movl -24(%ebp), %eax
- movl -20(%ebp), %edx
- jmp .Lrcls_epilogue
-
-.Lrcls_retstruct1:
- movsbl -24(%ebp), %eax
- jmp .Lrcls_epilogue
-
-.Lrcls_retstruct2:
- movswl -24(%ebp), %eax
- jmp .Lrcls_epilogue
-
-.Lrcls_retstruct4:
- movl -24(%ebp), %eax
- jmp .Lrcls_epilogue
-
-.Lrcls_retstruct:
- # Nothing to do!
-
-.Lrcls_noretval:
-.Lrcls_epilogue:
- addl $36, %esp
- popl %esi
- popl %ebp
- ret
-.ffi_closure_raw_SYSV_end:
-.LFE4:
-
-#endif /* !FFI_NO_RAW_API */
-
- # This assumes we are using gas.
- .balign 16
-FFI_HIDDEN(ffi_closure_STDCALL)
- .globl USCORE_SYMBOL(ffi_closure_STDCALL)
-#if defined(X86_WIN32) && !defined(__OS2__)
- .def _ffi_closure_STDCALL; .scl 2; .type 32; .endef
-#endif
-USCORE_SYMBOL(ffi_closure_STDCALL):
-.ffi_closure_STDCALL_internal:
- /* ffi_closure ctx is at top of the stack */
- movl (%esp), %eax
-.LFB5:
- pushl %ebp
-.LCFI9:
- movl %esp, %ebp
-.LCFI10:
- subl $40, %esp
- leal -24(%ebp), %edx
- movl %edx, -12(%ebp) /* resp */
- leal 12(%ebp), %edx /* account for stub return address on stack */
- movl %edx, 4(%esp) /* args */
- leal -12(%ebp), %edx
- movl %edx, (%esp) /* &resp */
-#if defined(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE) || !defined(__PIC__)
- call USCORE_SYMBOL(ffi_closure_WIN32_inner)
-#elif defined(X86_DARWIN)
- calll L_ffi_closure_WIN32_inner$stub
-#else
- movl %ebx, 8(%esp)
- call 1f
-1: popl %ebx
- addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
- call ffi_closure_WIN32_inner@PLT
- movl 8(%esp), %ebx
-#endif
- movl -12(%ebp), %ecx
-0:
- xchgl 4(%ebp), %eax /* xchg size of stack parameters and ffi_closure ctx */
- movl CLOSURE_CIF_OFFSET(%eax), %eax
- movl CIF_FLAGS_OFFSET(%eax), %eax
-
- call 1f
- # Do not insert anything here between the call and the jump table.
-.Lscls_store_table:
- .long .Lscls_noretval-.Lscls_store_table /* FFI_TYPE_VOID */
- .long .Lscls_retint-.Lscls_store_table /* FFI_TYPE_INT */
- .long .Lscls_retfloat-.Lscls_store_table /* FFI_TYPE_FLOAT */
- .long .Lscls_retdouble-.Lscls_store_table /* FFI_TYPE_DOUBLE */
- .long .Lscls_retldouble-.Lscls_store_table /* FFI_TYPE_LONGDOUBLE */
- .long .Lscls_retuint8-.Lscls_store_table /* FFI_TYPE_UINT8 */
- .long .Lscls_retsint8-.Lscls_store_table /* FFI_TYPE_SINT8 */
- .long .Lscls_retuint16-.Lscls_store_table /* FFI_TYPE_UINT16 */
- .long .Lscls_retsint16-.Lscls_store_table /* FFI_TYPE_SINT16 */
- .long .Lscls_retint-.Lscls_store_table /* FFI_TYPE_UINT32 */
- .long .Lscls_retint-.Lscls_store_table /* FFI_TYPE_SINT32 */
- .long .Lscls_retllong-.Lscls_store_table /* FFI_TYPE_UINT64 */
- .long .Lscls_retllong-.Lscls_store_table /* FFI_TYPE_SINT64 */
- .long .Lscls_retstruct-.Lscls_store_table /* FFI_TYPE_STRUCT */
- .long .Lscls_retint-.Lscls_store_table /* FFI_TYPE_POINTER */
- .long .Lscls_retstruct1-.Lscls_store_table /* FFI_TYPE_SMALL_STRUCT_1B */
- .long .Lscls_retstruct2-.Lscls_store_table /* FFI_TYPE_SMALL_STRUCT_2B */
- .long .Lscls_retstruct4-.Lscls_store_table /* FFI_TYPE_SMALL_STRUCT_4B */
-1:
- shl $2, %eax
- add (%esp),%eax
- mov (%eax),%eax
- add (%esp),%eax
- add $4, %esp
- jmp *%eax
-
- /* Sign/zero extend as appropriate. */
-.Lscls_retsint8:
- movsbl (%ecx), %eax
- jmp .Lscls_epilogue
-
-.Lscls_retsint16:
- movswl (%ecx), %eax
- jmp .Lscls_epilogue
-
-.Lscls_retuint8:
- movzbl (%ecx), %eax
- jmp .Lscls_epilogue
-
-.Lscls_retuint16:
- movzwl (%ecx), %eax
- jmp .Lscls_epilogue
-
-.Lscls_retint:
- movl (%ecx), %eax
- jmp .Lscls_epilogue
-
-.Lscls_retfloat:
- flds (%ecx)
- jmp .Lscls_epilogue
-
-.Lscls_retdouble:
- fldl (%ecx)
- jmp .Lscls_epilogue
-
-.Lscls_retldouble:
- fldt (%ecx)
- jmp .Lscls_epilogue
-
-.Lscls_retllong:
- movl (%ecx), %eax
- movl 4(%ecx), %edx
- jmp .Lscls_epilogue
-
-.Lscls_retstruct1:
- movsbl (%ecx), %eax
- jmp .Lscls_epilogue
-
-.Lscls_retstruct2:
- movswl (%ecx), %eax
- jmp .Lscls_epilogue
-
-.Lscls_retstruct4:
- movl (%ecx), %eax
- jmp .Lscls_epilogue
-
-.Lscls_retstruct:
- # Nothing to do!
-
-.Lscls_noretval:
-.Lscls_epilogue:
- movl %ebp, %esp
- popl %ebp
- movl 4(%esp), %ecx /* Return address */
- addl (%esp), %esp /* Parameters stack size */
- addl $8, %esp
- jmp *%ecx
-.ffi_closure_STDCALL_end:
-.LFE5:
-
-#if defined(X86_DARWIN)
-.section __IMPORT,__jump_table,symbol_stubs,self_modifying_code+pure_instructions,5
-L_ffi_closure_SYSV_inner$stub:
- .indirect_symbol _ffi_closure_SYSV_inner
- hlt ; hlt ; hlt ; hlt ; hlt
-L_ffi_closure_WIN32_inner$stub:
- .indirect_symbol _ffi_closure_WIN32_inner
- hlt ; hlt ; hlt ; hlt ; hlt
-#endif
-
-#if defined(X86_WIN32) && !defined(__OS2__)
- .section .eh_frame,"w"
-#endif
-.Lframe1:
-.LSCIE1:
- .long .LECIE1-.LASCIE1 /* Length of Common Information Entry */
-.LASCIE1:
- .long 0x0 /* CIE Identifier Tag */
- .byte 0x1 /* CIE Version */
-#ifdef __PIC__
- .ascii "zR\0" /* CIE Augmentation */
-#else
- .ascii "\0" /* CIE Augmentation */
-#endif
- .byte 0x1 /* .uleb128 0x1; CIE Code Alignment Factor */
- .byte 0x7c /* .sleb128 -4; CIE Data Alignment Factor */
- .byte 0x8 /* CIE RA Column */
-#ifdef __PIC__
- .byte 0x1 /* .uleb128 0x1; Augmentation size */
- .byte 0x1b /* FDE Encoding (pcrel sdata4) */
-#endif
- .byte 0xc /* DW_CFA_def_cfa CFA = r4 + 4 = 4(%esp) */
- .byte 0x4 /* .uleb128 0x4 */
- .byte 0x4 /* .uleb128 0x4 */
- .byte 0x88 /* DW_CFA_offset, column 0x8 %eip at CFA + 1 * -4 */
- .byte 0x1 /* .uleb128 0x1 */
- .align 4
-.LECIE1:
-
-.LSFDE1:
- .long .LEFDE1-.LASFDE1 /* FDE Length */
-.LASFDE1:
- .long .LASFDE1-.Lframe1 /* FDE CIE offset */
-#if defined __PIC__ && defined HAVE_AS_X86_PCREL
- .long .LFB1-. /* FDE initial location */
-#else
- .long .LFB1
-#endif
- .long .LFE1-.LFB1 /* FDE address range */
-#ifdef __PIC__
- .byte 0x0 /* .uleb128 0x0; Augmentation size */
-#endif
- /* DW_CFA_xxx CFI instructions go here. */
-
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI0-.LFB1
- .byte 0xe /* DW_CFA_def_cfa_offset CFA = r4 + 8 = 8(%esp) */
- .byte 0x8 /* .uleb128 0x8 */
- .byte 0x85 /* DW_CFA_offset, column 0x5 %ebp at CFA + 2 * -4 */
- .byte 0x2 /* .uleb128 0x2 */
-
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI1-.LCFI0
- .byte 0xd /* DW_CFA_def_cfa_register CFA = r5 = %ebp */
- .byte 0x5 /* .uleb128 0x5 */
-
- /* End of DW_CFA_xxx CFI instructions. */
- .align 4
-.LEFDE1:
-
-.LSFDE3:
- .long .LEFDE3-.LASFDE3 /* FDE Length */
-.LASFDE3:
- .long .LASFDE3-.Lframe1 /* FDE CIE offset */
-#if defined __PIC__ && defined HAVE_AS_X86_PCREL
- .long .LFB3-. /* FDE initial location */
-#else
- .long .LFB3
-#endif
- .long .LFE3-.LFB3 /* FDE address range */
-#ifdef __PIC__
- .byte 0x0 /* .uleb128 0x0; Augmentation size */
-#endif
- /* DW_CFA_xxx CFI instructions go here. */
-
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI4-.LFB3
- .byte 0xe /* DW_CFA_def_cfa_offset CFA = r4 + 8 = 8(%esp) */
- .byte 0x8 /* .uleb128 0x8 */
- .byte 0x85 /* DW_CFA_offset, column 0x5 %ebp at CFA + 2 * -4 */
- .byte 0x2 /* .uleb128 0x2 */
-
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI5-.LCFI4
- .byte 0xd /* DW_CFA_def_cfa_register CFA = r5 = %ebp */
- .byte 0x5 /* .uleb128 0x5 */
-
- /* End of DW_CFA_xxx CFI instructions. */
- .align 4
-.LEFDE3:
-
-#if !FFI_NO_RAW_API
-
-.LSFDE4:
- .long .LEFDE4-.LASFDE4 /* FDE Length */
-.LASFDE4:
- .long .LASFDE4-.Lframe1 /* FDE CIE offset */
-#if defined __PIC__ && defined HAVE_AS_X86_PCREL
- .long .LFB4-. /* FDE initial location */
-#else
- .long .LFB4
-#endif
- .long .LFE4-.LFB4 /* FDE address range */
-#ifdef __PIC__
- .byte 0x0 /* .uleb128 0x0; Augmentation size */
-#endif
- /* DW_CFA_xxx CFI instructions go here. */
-
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI6-.LFB4
- .byte 0xe /* DW_CFA_def_cfa_offset CFA = r4 + 8 = 8(%esp) */
- .byte 0x8 /* .uleb128 0x8 */
- .byte 0x85 /* DW_CFA_offset, column 0x5 %ebp at CFA + 2 * -4 */
- .byte 0x2 /* .uleb128 0x2 */
-
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI7-.LCFI6
- .byte 0xd /* DW_CFA_def_cfa_register CFA = r5 = %ebp */
- .byte 0x5 /* .uleb128 0x5 */
-
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI8-.LCFI7
- .byte 0x86 /* DW_CFA_offset, column 0x6 %esi at CFA + 3 * -4 */
- .byte 0x3 /* .uleb128 0x3 */
-
- /* End of DW_CFA_xxx CFI instructions. */
- .align 4
-.LEFDE4:
-
-#endif /* !FFI_NO_RAW_API */
-
-.LSFDE5:
- .long .LEFDE5-.LASFDE5 /* FDE Length */
-.LASFDE5:
- .long .LASFDE5-.Lframe1 /* FDE CIE offset */
-#if defined __PIC__ && defined HAVE_AS_X86_PCREL
- .long .LFB5-. /* FDE initial location */
-#else
- .long .LFB5
-#endif
- .long .LFE5-.LFB5 /* FDE address range */
-#ifdef __PIC__
- .byte 0x0 /* .uleb128 0x0; Augmentation size */
-#endif
- /* DW_CFA_xxx CFI instructions go here. */
-
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI9-.LFB5
- .byte 0xe /* DW_CFA_def_cfa_offset CFA = r4 + 8 = 8(%esp) */
- .byte 0x8 /* .uleb128 0x8 */
- .byte 0x85 /* DW_CFA_offset, column 0x5 %ebp at CFA + 2 * -4 */
- .byte 0x2 /* .uleb128 0x2 */
-
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI10-.LCFI9
- .byte 0xd /* DW_CFA_def_cfa_register CFA = r5 = %ebp */
- .byte 0x5 /* .uleb128 0x5 */
-
- /* End of DW_CFA_xxx CFI instructions. */
- .align 4
-.LEFDE5:
-
-#endif /* !_MSC_VER */
-
-#if defined __ELF__ && defined __linux__
- .section .note.GNU-stack,"",@progbits
-#endif
diff --git a/src/x86/win64.S b/src/x86/win64.S
index 687f97c..a5a20b6 100644
--- a/src/x86/win64.S
+++ b/src/x86/win64.S
@@ -1,264 +1,16 @@
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
+#include <ffi_cfi.h>
-/* Constants for ffi_call_win64 */
-#define STACK 0
-#define PREP_ARGS_FN 32
-#define ECIF 40
-#define CIF_BYTES 48
-#define CIF_FLAGS 56
-#define RVALUE 64
-#define FN 72
-
-/* ffi_call_win64 (void (*prep_args_fn)(char *, extended_cif *),
- extended_cif *ecif, unsigned bytes, unsigned flags,
- unsigned *rvalue, void (*fn)());
- */
-
-#ifdef _MSC_VER
-PUBLIC ffi_call_win64
-
-EXTRN __chkstk:NEAR
-EXTRN ffi_closure_win64_inner:NEAR
-
-_TEXT SEGMENT
-
-;;; ffi_closure_win64 will be called with these registers set:
-;;; rax points to 'closure'
-;;; r11 contains a bit mask that specifies which of the
-;;; first four parameters are float or double
-;;;
-;;; It must move the parameters passed in registers to their stack location,
-;;; call ffi_closure_win64_inner for the actual work, then return the result.
-;;;
-ffi_closure_win64 PROC FRAME
- ;; copy register arguments onto stack
- test r11, 1
- jne first_is_float
- mov QWORD PTR [rsp+8], rcx
- jmp second
-first_is_float:
- movlpd QWORD PTR [rsp+8], xmm0
-
-second:
- test r11, 2
- jne second_is_float
- mov QWORD PTR [rsp+16], rdx
- jmp third
-second_is_float:
- movlpd QWORD PTR [rsp+16], xmm1
-
-third:
- test r11, 4
- jne third_is_float
- mov QWORD PTR [rsp+24], r8
- jmp fourth
-third_is_float:
- movlpd QWORD PTR [rsp+24], xmm2
-
-fourth:
- test r11, 8
- jne fourth_is_float
- mov QWORD PTR [rsp+32], r9
- jmp done
-fourth_is_float:
- movlpd QWORD PTR [rsp+32], xmm3
-
-done:
- .ALLOCSTACK 40
- sub rsp, 40
- .ENDPROLOG
- mov rcx, rax ; context is first parameter
- mov rdx, rsp ; stack is second parameter
- add rdx, 48 ; point to start of arguments
- mov rax, ffi_closure_win64_inner
- call rax ; call the real closure function
- add rsp, 40
- movd xmm0, rax ; If the closure returned a float,
- ; ffi_closure_win64_inner wrote it to rax
- ret 0
-ffi_closure_win64 ENDP
-
-ffi_call_win64 PROC FRAME
- ;; copy registers onto stack
- mov QWORD PTR [rsp+32], r9
- mov QWORD PTR [rsp+24], r8
- mov QWORD PTR [rsp+16], rdx
- mov QWORD PTR [rsp+8], rcx
- .PUSHREG rbp
- push rbp
- .ALLOCSTACK 48
- sub rsp, 48 ; 00000030H
- .SETFRAME rbp, 32
- lea rbp, QWORD PTR [rsp+32]
- .ENDPROLOG
-
- mov eax, DWORD PTR CIF_BYTES[rbp]
- add rax, 15
- and rax, -16
- call __chkstk
- sub rsp, rax
- lea rax, QWORD PTR [rsp+32]
- mov QWORD PTR STACK[rbp], rax
-
- mov rdx, QWORD PTR ECIF[rbp]
- mov rcx, QWORD PTR STACK[rbp]
- call QWORD PTR PREP_ARGS_FN[rbp]
-
- mov rsp, QWORD PTR STACK[rbp]
-
- movlpd xmm3, QWORD PTR [rsp+24]
- movd r9, xmm3
-
- movlpd xmm2, QWORD PTR [rsp+16]
- movd r8, xmm2
-
- movlpd xmm1, QWORD PTR [rsp+8]
- movd rdx, xmm1
-
- movlpd xmm0, QWORD PTR [rsp]
- movd rcx, xmm0
-
- call QWORD PTR FN[rbp]
-ret_struct4b$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_4B
- jne ret_struct2b$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- mov DWORD PTR [rcx], eax
- jmp ret_void$
-
-ret_struct2b$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_2B
- jne ret_struct1b$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- mov WORD PTR [rcx], ax
- jmp ret_void$
-
-ret_struct1b$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SMALL_STRUCT_1B
- jne ret_uint8$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- mov BYTE PTR [rcx], al
- jmp ret_void$
-
-ret_uint8$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT8
- jne ret_sint8$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- movzx rax, al
- mov QWORD PTR [rcx], rax
- jmp ret_void$
-
-ret_sint8$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT8
- jne ret_uint16$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- movsx rax, al
- mov QWORD PTR [rcx], rax
- jmp ret_void$
-
-ret_uint16$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT16
- jne ret_sint16$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- movzx rax, ax
- mov QWORD PTR [rcx], rax
- jmp SHORT ret_void$
-
-ret_sint16$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT16
- jne ret_uint32$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- movsx rax, ax
- mov QWORD PTR [rcx], rax
- jmp SHORT ret_void$
-
-ret_uint32$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT32
- jne ret_sint32$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- mov eax, eax
- mov QWORD PTR [rcx], rax
- jmp SHORT ret_void$
-
-ret_sint32$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT32
- jne ret_float$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- cdqe
- mov QWORD PTR [rcx], rax
- jmp SHORT ret_void$
-
-ret_float$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_FLOAT
- jne SHORT ret_double$
-
- mov rax, QWORD PTR RVALUE[rbp]
- movss DWORD PTR [rax], xmm0
- jmp SHORT ret_void$
-
-ret_double$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_DOUBLE
- jne SHORT ret_uint64$
-
- mov rax, QWORD PTR RVALUE[rbp]
- movlpd QWORD PTR [rax], xmm0
- jmp SHORT ret_void$
-
-ret_uint64$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_UINT64
- jne SHORT ret_sint64$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- mov QWORD PTR [rcx], rax
- jmp SHORT ret_void$
-
-ret_sint64$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_SINT64
- jne SHORT ret_pointer$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- mov QWORD PTR [rcx], rax
- jmp SHORT ret_void$
-
-ret_pointer$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_POINTER
- jne SHORT ret_int$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- mov QWORD PTR [rcx], rax
- jmp SHORT ret_void$
-
-ret_int$:
- cmp DWORD PTR CIF_FLAGS[rbp], FFI_TYPE_INT
- jne SHORT ret_void$
-
- mov rcx, QWORD PTR RVALUE[rbp]
- cdqe
- mov QWORD PTR [rcx], rax
- jmp SHORT ret_void$
-
-ret_void$:
- xor rax, rax
-
- lea rsp, QWORD PTR [rbp+16]
- pop rbp
- ret 0
-ffi_call_win64 ENDP
-_TEXT ENDS
-END
+#if defined(HAVE_AS_CFI_PSEUDO_OP)
+ .cfi_sections .debug_frame
+#endif
-#else
+#define arg0 %rcx
+#define arg1 %rdx
+#define arg2 %r8
+#define arg3 %r9
#ifdef SYMBOL_UNDERSCORE
#define SYMBOL_NAME(name) _##name
@@ -266,255 +18,202 @@ END
#define SYMBOL_NAME(name) name
#endif
-.text
-
-.extern SYMBOL_NAME(ffi_closure_win64_inner)
-
-# ffi_closure_win64 will be called with these registers set:
-# rax points to 'closure'
-# r11 contains a bit mask that specifies which of the
-# first four parameters are float or double
-#
-# It must move the parameters passed in registers to their stack location,
-# call ffi_closure_win64_inner for the actual work, then return the result.
-#
- .balign 16
- .globl SYMBOL_NAME(ffi_closure_win64)
- .seh_proc SYMBOL_NAME(ffi_closure_win64)
-SYMBOL_NAME(ffi_closure_win64):
- # copy register arguments onto stack
- test $1,%r11
- jne .Lfirst_is_float
- mov %rcx, 8(%rsp)
- jmp .Lsecond
-.Lfirst_is_float:
- movlpd %xmm0, 8(%rsp)
-
-.Lsecond:
- test $2, %r11
- jne .Lsecond_is_float
- mov %rdx, 16(%rsp)
- jmp .Lthird
-.Lsecond_is_float:
- movlpd %xmm1, 16(%rsp)
-
-.Lthird:
- test $4, %r11
- jne .Lthird_is_float
- mov %r8,24(%rsp)
- jmp .Lfourth
-.Lthird_is_float:
- movlpd %xmm2, 24(%rsp)
-
-.Lfourth:
- test $8, %r11
- jne .Lfourth_is_float
- mov %r9, 32(%rsp)
- jmp .Ldone
-.Lfourth_is_float:
- movlpd %xmm3, 32(%rsp)
-
-.Ldone:
- .seh_stackalloc 40
- sub $40, %rsp
+.macro E which
+ .align 8
+ .org 0b + \which * 8
+.endm
+
+ .text
+
+/* ffi_call_win64 (void *stack, struct win64_call_frame *frame, void *r10)
+
+ Bit o trickiness here -- FRAME is the base of the stack frame
+ for this function. This has been allocated by ffi_call. We also
+ deallocate some of the stack that has been alloca'd. */
+
+ .align 8
+ .globl ffi_call_win64
+
+ .seh_proc ffi_call_win64
+ffi_call_win64:
+ cfi_startproc
+ /* Set up the local stack frame and install it in rbp/rsp. */
+ movq (%rsp), %rax
+ movq %rbp, (arg1)
+ movq %rax, 8(arg1)
+ movq arg1, %rbp
+ cfi_def_cfa(%rbp, 16)
+ cfi_rel_offset(%rbp, 0)
+ .seh_pushreg %rbp
+ .seh_setframe %rbp, 0
.seh_endprologue
- mov %rax, %rcx # context is first parameter
- mov %rsp, %rdx # stack is second parameter
- add $48, %rdx # point to start of arguments
- leaq SYMBOL_NAME(ffi_closure_win64_inner)(%rip), %rax
- callq *%rax # call the real closure function
- add $40, %rsp
- movq %rax, %xmm0 # If the closure returned a float,
- # ffi_closure_win64_inner wrote it to rax
- retq
+ movq arg0, %rsp
+
+ movq arg2, %r10
+
+ /* Load all slots into both general and xmm registers. */
+ movq (%rsp), %rcx
+ movsd (%rsp), %xmm0
+ movq 8(%rsp), %rdx
+ movsd 8(%rsp), %xmm1
+ movq 16(%rsp), %r8
+ movsd 16(%rsp), %xmm2
+ movq 24(%rsp), %r9
+ movsd 24(%rsp), %xmm3
+
+ call *16(%rbp)
+
+ movl 24(%rbp), %ecx
+ movq 32(%rbp), %r8
+ leaq 0f(%rip), %r10
+ cmpl $FFI_TYPE_SMALL_STRUCT_4B, %ecx
+ leaq (%r10, %rcx, 8), %r10
+ ja 99f
+ jmp *%r10
+
+/* Below, we're space constrained most of the time. Thus we eschew the
+ modern "mov, pop, ret" sequence (5 bytes) for "leave, ret" (2 bytes). */
+.macro epilogue
+ leaveq
+ cfi_remember_state
+ cfi_def_cfa(%rsp, 8)
+ cfi_restore(%rbp)
+ ret
+ cfi_restore_state
+.endm
+
+ .align 8
+0:
+E FFI_TYPE_VOID
+ epilogue
+E FFI_TYPE_INT
+ movslq %eax, %rax
+ movq %rax, (%r8)
+ epilogue
+E FFI_TYPE_FLOAT
+ movss %xmm0, (%r8)
+ epilogue
+E FFI_TYPE_DOUBLE
+ movsd %xmm0, (%r8)
+ epilogue
+E FFI_TYPE_LONGDOUBLE
+ call abort
+E FFI_TYPE_UINT8
+ movzbl %al, %eax
+ movq %rax, (%r8)
+ epilogue
+E FFI_TYPE_SINT8
+ movsbq %al, %rax
+ jmp 98f
+E FFI_TYPE_UINT16
+ movzwl %ax, %eax
+ movq %rax, (%r8)
+ epilogue
+E FFI_TYPE_SINT16
+ movswq %ax, %rax
+ jmp 98f
+E FFI_TYPE_UINT32
+ movl %eax, %eax
+ movq %rax, (%r8)
+ epilogue
+E FFI_TYPE_SINT32
+ movslq %eax, %rax
+ movq %rax, (%r8)
+ epilogue
+E FFI_TYPE_UINT64
+98: movq %rax, (%r8)
+ epilogue
+E FFI_TYPE_SINT64
+ movq %rax, (%r8)
+ epilogue
+E FFI_TYPE_STRUCT
+ epilogue
+E FFI_TYPE_POINTER
+ movq %rax, (%r8)
+ epilogue
+E FFI_TYPE_COMPLEX
+ call abort
+E FFI_TYPE_SMALL_STRUCT_1B
+ movb %al, (%r8)
+ epilogue
+E FFI_TYPE_SMALL_STRUCT_2B
+ movw %ax, (%r8)
+ epilogue
+E FFI_TYPE_SMALL_STRUCT_4B
+ movl %eax, (%r8)
+ epilogue
+
+ .align 8
+99: call abort
+
+.purgem epilogue
+
+ cfi_endproc
.seh_endproc
- .balign 16
- .globl SYMBOL_NAME(ffi_call_win64)
- .seh_proc SYMBOL_NAME(ffi_call_win64)
-SYMBOL_NAME(ffi_call_win64):
- # copy registers onto stack
- mov %r9,32(%rsp)
- mov %r8,24(%rsp)
- mov %rdx,16(%rsp)
- mov %rcx,8(%rsp)
- .seh_pushreg rbp
- push %rbp
- .seh_stackalloc 48
- sub $48,%rsp
- .seh_setframe rbp, 32
- lea 32(%rsp),%rbp
- .seh_endprologue
-
- mov CIF_BYTES(%rbp),%eax
- add $15, %rax
- and $-16, %rax
- cmpq $0x1000, %rax
- jb Lch_done
-Lch_probe:
- subq $0x1000,%rsp
- orl $0x0, (%rsp)
- subq $0x1000,%rax
- cmpq $0x1000,%rax
- ja Lch_probe
-Lch_done:
- subq %rax, %rsp
- orl $0x0, (%rsp)
- lea 32(%rsp), %rax
- mov %rax, STACK(%rbp)
-
- mov ECIF(%rbp), %rdx
- mov STACK(%rbp), %rcx
- callq *PREP_ARGS_FN(%rbp)
-
- mov STACK(%rbp), %rsp
-
- movlpd 24(%rsp), %xmm3
- movd %xmm3, %r9
-
- movlpd 16(%rsp), %xmm2
- movd %xmm2, %r8
-
- movlpd 8(%rsp), %xmm1
- movd %xmm1, %rdx
-
- movlpd (%rsp), %xmm0
- movd %xmm0, %rcx
-
- callq *FN(%rbp)
-.Lret_struct4b:
- cmpl $FFI_TYPE_SMALL_STRUCT_4B, CIF_FLAGS(%rbp)
- jne .Lret_struct2b
-
- mov RVALUE(%rbp), %rcx
- mov %eax, (%rcx)
- jmp .Lret_void
-
-.Lret_struct2b:
- cmpl $FFI_TYPE_SMALL_STRUCT_2B, CIF_FLAGS(%rbp)
- jne .Lret_struct1b
-
- mov RVALUE(%rbp), %rcx
- mov %ax, (%rcx)
- jmp .Lret_void
-
-.Lret_struct1b:
- cmpl $FFI_TYPE_SMALL_STRUCT_1B, CIF_FLAGS(%rbp)
- jne .Lret_uint8
- mov RVALUE(%rbp), %rcx
- mov %al, (%rcx)
- jmp .Lret_void
-
-.Lret_uint8:
- cmpl $FFI_TYPE_UINT8, CIF_FLAGS(%rbp)
- jne .Lret_sint8
-
- mov RVALUE(%rbp), %rcx
- movzbq %al, %rax
- movq %rax, (%rcx)
- jmp .Lret_void
-
-.Lret_sint8:
- cmpl $FFI_TYPE_SINT8, CIF_FLAGS(%rbp)
- jne .Lret_uint16
-
- mov RVALUE(%rbp), %rcx
- movsbq %al, %rax
- movq %rax, (%rcx)
- jmp .Lret_void
-
-.Lret_uint16:
- cmpl $FFI_TYPE_UINT16, CIF_FLAGS(%rbp)
- jne .Lret_sint16
-
- mov RVALUE(%rbp), %rcx
- movzwq %ax, %rax
- movq %rax, (%rcx)
- jmp .Lret_void
-
-.Lret_sint16:
- cmpl $FFI_TYPE_SINT16, CIF_FLAGS(%rbp)
- jne .Lret_uint32
-
- mov RVALUE(%rbp), %rcx
- movswq %ax, %rax
- movq %rax, (%rcx)
- jmp .Lret_void
-
-.Lret_uint32:
- cmpl $FFI_TYPE_UINT32, CIF_FLAGS(%rbp)
- jne .Lret_sint32
-
- mov RVALUE(%rbp), %rcx
- movl %eax, %eax
- movq %rax, (%rcx)
- jmp .Lret_void
-
-.Lret_sint32:
- cmpl $FFI_TYPE_SINT32, CIF_FLAGS(%rbp)
- jne .Lret_float
-
- mov RVALUE(%rbp), %rcx
- cltq
- movq %rax, (%rcx)
- jmp .Lret_void
-
-.Lret_float:
- cmpl $FFI_TYPE_FLOAT, CIF_FLAGS(%rbp)
- jne .Lret_double
-
- mov RVALUE(%rbp), %rax
- movss %xmm0, (%rax)
- jmp .Lret_void
-
-.Lret_double:
- cmpl $FFI_TYPE_DOUBLE, CIF_FLAGS(%rbp)
- jne .Lret_uint64
-
- mov RVALUE(%rbp), %rax
- movlpd %xmm0, (%rax)
- jmp .Lret_void
-
-.Lret_uint64:
- cmpl $FFI_TYPE_UINT64, CIF_FLAGS(%rbp)
- jne .Lret_sint64
-
- mov RVALUE(%rbp), %rcx
- mov %rax, (%rcx)
- jmp .Lret_void
-
-.Lret_sint64:
- cmpl $FFI_TYPE_SINT64, CIF_FLAGS(%rbp)
- jne .Lret_pointer
-
- mov RVALUE(%rbp), %rcx
- mov %rax, (%rcx)
- jmp .Lret_void
+/* 32 bytes of outgoing register stack space, 8 bytes of alignment,
+ 16 bytes of result, 32 bytes of xmm registers. */
+#define ffi_clo_FS (32+8+16+32)
+#define ffi_clo_OFF_R (32+8)
+#define ffi_clo_OFF_X (32+8+16)
+
+ .align 8
+ .globl ffi_go_closure_win64
+
+ .seh_proc ffi_go_closure_win64
+ffi_go_closure_win64:
+ cfi_startproc
+ /* Save all integer arguments into the incoming reg stack space. */
+ movq arg0, 8(%rsp)
+ movq arg1, 16(%rsp)
+ movq arg2, 24(%rsp)
+ movq arg3, 32(%rsp)
+
+ movq 8(%r10), arg0 /* load cif */
+ movq 16(%r10), arg1 /* load fun */
+ movq %r10, arg2 /* closure is user_data */
+ jmp 0f
+ cfi_endproc
+ .seh_endproc
-.Lret_pointer:
- cmpl $FFI_TYPE_POINTER, CIF_FLAGS(%rbp)
- jne .Lret_int
+ .align 8
+ .globl ffi_closure_win64
+
+ .seh_proc ffi_closure_win64
+ffi_closure_win64:
+ cfi_startproc
+ /* Save all integer arguments into the incoming reg stack space. */
+ movq arg0, 8(%rsp)
+ movq arg1, 16(%rsp)
+ movq arg2, 24(%rsp)
+ movq arg3, 32(%rsp)
+
+ movq FFI_TRAMPOLINE_SIZE(%r10), arg0 /* load cif */
+ movq FFI_TRAMPOLINE_SIZE+8(%r10), arg1 /* load fun */
+ movq FFI_TRAMPOLINE_SIZE+16(%r10), arg2 /* load user_data */
+0:
+ subq $ffi_clo_FS, %rsp
+ cfi_adjust_cfa_offset(ffi_clo_FS)
+ .seh_stackalloc ffi_clo_FS
+ .seh_endprologue
- mov RVALUE(%rbp), %rcx
- mov %rax, (%rcx)
- jmp .Lret_void
+ /* Save all sse arguments into the stack frame. */
+ movsd %xmm0, ffi_clo_OFF_X(%rsp)
+ movsd %xmm1, ffi_clo_OFF_X+8(%rsp)
+ movsd %xmm2, ffi_clo_OFF_X+16(%rsp)
+ movsd %xmm3, ffi_clo_OFF_X+24(%rsp)
-.Lret_int:
- cmpl $FFI_TYPE_INT, CIF_FLAGS(%rbp)
- jne .Lret_void
+ leaq ffi_clo_OFF_R(%rsp), arg3
+ call ffi_closure_win64_inner
- mov RVALUE(%rbp), %rcx
- cltq
- movq %rax, (%rcx)
- jmp .Lret_void
+ /* Load the result into both possible result registers. */
+ movq ffi_clo_OFF_R(%rsp), %rax
+ movsd ffi_clo_OFF_R(%rsp), %xmm0
-.Lret_void:
- xor %rax, %rax
+ addq $ffi_clo_FS, %rsp
+ cfi_adjust_cfa_offset(-ffi_clo_FS)
+ ret
- lea 16(%rbp), %rsp
- pop %rbp
- retq
+ cfi_endproc
.seh_endproc
-#endif /* !_MSC_VER */
-
diff --git a/testsuite/libffi.call/call.exp b/testsuite/libffi.call/call.exp
index 5177f07..982c03e 100644
--- a/testsuite/libffi.call/call.exp
+++ b/testsuite/libffi.call/call.exp
@@ -24,16 +24,20 @@ set ctlist [lsearch -inline -all -glob [lsort [glob -nocomplain -- $srcdir/$subd
run-many-tests $tlist ""
-if { ![istarget s390*] } {
-
+# ??? We really should preprocess ffi.h and grep
+# for FFI_TARGET_HAS_COMPLEX_TYPE.
+if { [istarget aarch64*]
+ || [istarget alpha*]
+ || [istarget arm*]
+ || [istarget i?86*]
+ || [istarget s390*]
+ || [istarget sparc*]
+ || [istarget x86_64*] } {
+ run-many-tests $ctlist ""
+} else {
foreach test $ctlist {
unsupported "$test"
}
-
-} else {
-
- run-many-tests $ctlist ""
-
}
dg-finish
diff --git a/testsuite/libffi.call/cls_align_longdouble_split.c b/testsuite/libffi.call/cls_align_longdouble_split.c
index 15f9365..cc1c43b 100644
--- a/testsuite/libffi.call/cls_align_longdouble_split.c
+++ b/testsuite/libffi.call/cls_align_longdouble_split.c
@@ -4,10 +4,8 @@
PR: none.
Originator: <hos@tamanegi.org> 20031203 */
-/* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
/* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */
-/* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
#include "ffitest.h"
diff --git a/testsuite/libffi.call/cls_align_longdouble_split2.c b/testsuite/libffi.call/cls_align_longdouble_split2.c
index ca1c356..5d3bec0 100644
--- a/testsuite/libffi.call/cls_align_longdouble_split2.c
+++ b/testsuite/libffi.call/cls_align_longdouble_split2.c
@@ -5,10 +5,8 @@
Originator: Blake Chaffin 6/18/2007
*/
-/* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
/* { dg-do run { xfail strongarm*-*-* } } */
/* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */
-/* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
#include "ffitest.h"
diff --git a/testsuite/libffi.call/cls_complex_va_float.c b/testsuite/libffi.call/cls_complex_va_float.c
index 0b79979..2b17826 100644
--- a/testsuite/libffi.call/cls_complex_va_float.c
+++ b/testsuite/libffi.call/cls_complex_va_float.c
@@ -6,5 +6,11 @@
/* { dg-do run } */
+/* Alpha splits _Complex into two arguments. It's illegal to pass
+ float through varargs, so _Complex float goes badly. In sort of
+ gets passed as _Complex double, but the compiler doesn't agree
+ with itself on this issue. */
+/* { dg-do run { xfail alpha*-*-* } } */
+
#include "complex_defs_float.inc"
#include "cls_complex_va.inc"
diff --git a/testsuite/libffi.call/cls_longdouble.c b/testsuite/libffi.call/cls_longdouble.c
index 5dc9ac7..d24e72e 100644
--- a/testsuite/libffi.call/cls_longdouble.c
+++ b/testsuite/libffi.call/cls_longdouble.c
@@ -4,12 +4,10 @@
PR: none.
Originator: Blake Chaffin */
-/* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
/* This test is known to PASS on armv7l-unknown-linux-gnueabihf, so I have
remove the xfail for arm*-*-* below, until we know more. */
/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
/* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */
-/* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
#include "ffitest.h"
diff --git a/testsuite/libffi.call/complex_int.c b/testsuite/libffi.call/complex_int.c
index 4c8e864..bac3190 100644
--- a/testsuite/libffi.call/complex_int.c
+++ b/testsuite/libffi.call/complex_int.c
@@ -12,9 +12,9 @@
_Complex int f_complex(_Complex int c, int x, int *py)
{
- c = -(2 * creal (c)) + (cimag (c) + 1)* I;
+ __real__ c = -2 * __real__ c;
+ __imag__ c = __imag__ c + 1;
*py += x;
-
return c;
}
diff --git a/testsuite/libffi.call/float2.c b/testsuite/libffi.call/float2.c
index a0b296c..419c2bd 100644
--- a/testsuite/libffi.call/float2.c
+++ b/testsuite/libffi.call/float2.c
@@ -3,9 +3,7 @@
Limitations: none.
PR: none.
Originator: From the original ffitest.c */
-
-/* { dg-excess-errors "fails" { target x86_64-*-mingw* x86_64-*-cygwin* } } */
-/* { dg-do run { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
+/* { dg-do run } */
#include "ffitest.h"
#include "float.h"
diff --git a/testsuite/libffi.call/huge_struct.c b/testsuite/libffi.call/huge_struct.c
index 657fe54..187c42c 100644
--- a/testsuite/libffi.call/huge_struct.c
+++ b/testsuite/libffi.call/huge_struct.c
@@ -5,11 +5,9 @@
Originator: Blake Chaffin 6/18/2007
*/
-/* { dg-excess-errors "" { target x86_64-*-mingw* x86_64-*-cygwin* } } */
/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
/* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */
/* { dg-options -Wformat=0 { target moxie*-*-elf } } */
-/* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
#include "ffitest.h"
diff --git a/testsuite/libffi.call/return_complex2.inc b/testsuite/libffi.call/return_complex2.inc
index dad4a0f..265170b 100644
--- a/testsuite/libffi.call/return_complex2.inc
+++ b/testsuite/libffi.call/return_complex2.inc
@@ -2,10 +2,14 @@
#include "ffitest.h"
#include <complex.h>
-static _Complex T_C_TYPE return_c(_Complex T_C_TYPE c1, _Complex T_C_TYPE c2, unsigned int in3, _Complex T_C_TYPE c4)
+_Complex T_C_TYPE
+return_c(_Complex T_C_TYPE c1, _Complex T_C_TYPE c2,
+ unsigned int in3, _Complex T_C_TYPE c4)
{
- return c1 + c2 + in3 + c4;
+ volatile _Complex T_C_TYPE r = c1 + c2 + in3 + c4;
+ return r;
}
+
int main (void)
{
ffi_cif cif;
@@ -35,6 +39,6 @@ int main (void)
printf ("%f,%fi vs %f,%fi\n",
T_CONV creal (rc), T_CONV cimag (rc),
T_CONV creal (rc2), T_CONV cimag (rc2));
- CHECK(rc == c1 + c2 + in3 + c4);
+ CHECK(rc == rc2);
exit(0);
}
diff --git a/testsuite/libffi.call/return_ldl.c b/testsuite/libffi.call/return_ldl.c
index 5c2fe65..52a92fe 100644
--- a/testsuite/libffi.call/return_ldl.c
+++ b/testsuite/libffi.call/return_ldl.c
@@ -3,8 +3,8 @@
Limitations: none.
PR: none.
Originator: <andreast@gcc.gnu.org> 20071113 */
+/* { dg-do run } */
-/* { dg-do run { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
#include "ffitest.h"
static long double return_ldl(long double ldl)