Commit a8b0d40ff908e275028f676870c31d0d70274a98
2001-04-22T18:17:14
Many changes. Not quite there yet.
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diff --git a/libffi/include/ffi.h.in b/libffi/include/ffi.h.in
deleted file mode 100644
index c6c85fd..0000000
--- a/libffi/include/ffi.h.in
+++ /dev/null
@@ -1,513 +0,0 @@
-/* -----------------------------------------------------------------*-C-*-
- libffi @VERSION@ - Copyright (C) 1996, 1997, 1998, 1999, 2000,
- 2001 Red Hat, 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 RED HAT 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.
-
- ----------------------------------------------------------------------- */
-
-/* -------------------------------------------------------------------
- The basic API is described in the README file.
-
- The raw API is designed to bypass some of the argument packing
- and unpacking on architectures for which it can be avoided.
-
- The closure API allows interpreted functions to be packaged up
- inside a C function pointer, so that they can be called as C functions,
- with no understanding on the client side that they are interpreted.
- It can also be used in other cases in which it is necessary to package
- up a user specified parameter and a function pointer as a single
- function pointer.
-
- The closure API must be implemented in order to get its functionality,
- e.g. for use by gij. Routines are provided to emulate the raw API
- if the underlying platform doesn't allow faster implementation.
-
- More details on the raw and cloure API can be found in:
-
- http://gcc.gnu.org/ml/java/1999-q3/msg00138.html
-
- and
-
- http://gcc.gnu.org/ml/java/1999-q3/msg00174.html
- -------------------------------------------------------------------- */
-
-#ifndef LIBFFI_H
-#define LIBFFI_H
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* Specify which architecture libffi is configured for. */
-#define @TARGET@
-
-/* ---- System configuration information --------------------------------- */
-
-#include <fficonfig.h>
-
-#if !defined(LIBFFI_ASM)
-#include <stddef.h>
-#if defined(FFI_DEBUG)
-#include <stdio.h>
-#endif
-#endif
-
-/* ---- Generic type definitions ----------------------------------------- */
-
-#define FLOAT32 float
-#define FLOAT64 double
-#define FLOAT80 long double
-
-#define UINT8 unsigned char
-#define SINT8 signed char
-
-#if SIZEOF_INT == 2
-
-#define UINT16 unsigned int
-#define SINT16 int
-#define ffi_type_uint ffi_type_uint16
-#define ffi_type_sint ffi_type_sint16
-
-#else
-#if SIZEOF_SHORT == 2
-
-#define UINT16 unsigned short
-#define SINT16 short
-#define ffi_type_ushort ffi_type_uint16
-#define ffi_type_sshort ffi_type_sint16
-
-#endif
-#endif
-
-#if SIZEOF_INT == 4
-
-#define UINT32 unsigned int
-#define SINT32 int
-#define ffi_type_uint ffi_type_uint32
-#define ffi_type_sint ffi_type_sint32
-
-#else
-#if SIZEOF_SHORT == 4
-
-#define UINT32 unsigned short
-#define SINT32 short
-#define ffi_type_ushort ffi_type_uint32
-#define ffi_type_sshort ffi_type_sint32
-
-#else
-#if SIZEOF_LONG == 4
-
-#define UINT32 unsigned long
-#define SINT32 long
-#define ffi_type_ulong ffi_type_uint32
-#define ffi_type_slong ffi_type_sint32
-
-#endif
-#endif
-#endif
-
-#if SIZEOF_INT == 8
-
-#define UINT64 unsigned int
-#define SINT64 int
-#define ffi_type_uint ffi_type_uint64
-#define ffi_type_sint ffi_type_sint64
-
-#else
-#if SIZEOF_LONG == 8
-
-#define UINT64 unsigned long
-#define SINT64 long
-#define ffi_type_ulong ffi_type_uint64
-#define ffi_type_slong ffi_type_sint64
-
-#else
-#if SIZEOF_LONG_LONG == 8
-
-#define UINT64 unsigned long long
-#define SINT64 long long
-#define ffi_type_ulong ffi_type_uint64
-#define ffi_type_slong ffi_type_sint64
-
-#endif
-#endif
-#endif
-
-/* ---- System specific configurations ----------------------------------- */
-
-#ifdef MIPS
-#include <ffi_mips.h>
-#else
-#define SIZEOF_ARG SIZEOF_VOID_P
-#endif
-
-#ifdef SPARC
-#if defined(__arch64__) || defined(__sparcv9)
-#define SPARC64
-#endif
-#endif
-
-#ifndef LIBFFI_ASM
-
-/* ---- Generic type definitions ----------------------------------------- */
-
-#define ALIGN(v, a) (((((size_t) (v))-1) | ((a)-1))+1)
-/* The closure code assumes that this works on pointers, i.e. a size_t */
-/* can hold a pointer. */
-
-typedef enum ffi_abi {
-
- /* Leave this for debugging purposes */
- FFI_FIRST_ABI = 0,
-
- /* ---- Sparc -------------------- */
-#ifdef SPARC
- FFI_V8,
- FFI_V8PLUS,
- FFI_V9,
-#ifdef SPARC64
- FFI_DEFAULT_ABI = FFI_V9,
-#else
- FFI_DEFAULT_ABI = FFI_V8,
-#endif
-#endif
-
- /* ---- Intel x86 ---------------- */
-#ifdef X86
- FFI_SYSV,
- FFI_DEFAULT_ABI = FFI_SYSV,
-#endif
-
- /* ---- Intel x86 Win32 ---------- */
-#ifdef X86_WIN32
- FFI_SYSV,
- FFI_DEFAULT_ABI = FFI_SYSV,
-#endif
-
- /* ---- Intel ia64 ---------------- */
-#ifdef IA64
- FFI_UNIX, /* Linux and all Unix variants use the same conventions */
- FFI_DEFAULT_ABI = FFI_UNIX,
-#endif
-
- /* ---- Mips --------------------- */
-#ifdef MIPS
- FFI_O32,
- FFI_N32,
- FFI_N64,
-#endif
-
- /* ---- Alpha -------------------- */
-#ifdef ALPHA
- FFI_OSF,
- FFI_DEFAULT_ABI = FFI_OSF,
-#endif
-
- /* ---- Motorola m68k ------------ */
-#ifdef M68K
- FFI_SYSV,
- FFI_DEFAULT_ABI = FFI_SYSV,
-#endif
-
- /* ---- PowerPC ------------------ */
-#ifdef POWERPC
- FFI_SYSV,
- FFI_GCC_SYSV,
- FFI_DEFAULT_ABI = FFI_GCC_SYSV,
-#endif
-
- /* ---- ARM --------------------- */
-#ifdef ARM
- FFI_SYSV,
- FFI_DEFAULT_ABI = FFI_SYSV,
-#endif
-
- /* ---- S390 --------------------- */
-#ifdef S390
- FFI_SYSV,
- FFI_DEFAULT_ABI = FFI_SYSV,
-#endif
-
- /* Leave this for debugging purposes */
- FFI_LAST_ABI
-
-} ffi_abi;
-
-typedef struct _ffi_type
-{
- size_t size;
- unsigned short alignment;
- unsigned short type;
- /*@null@*/ struct _ffi_type **elements;
-} ffi_type;
-
-/* These are defined in ffi.c */
-extern ffi_type ffi_type_void;
-extern ffi_type ffi_type_uint8;
-extern ffi_type ffi_type_sint8;
-extern ffi_type ffi_type_uint16;
-extern ffi_type ffi_type_sint16;
-extern ffi_type ffi_type_uint32;
-extern ffi_type ffi_type_sint32;
-extern ffi_type ffi_type_uint64;
-extern ffi_type ffi_type_sint64;
-extern ffi_type ffi_type_float;
-extern ffi_type ffi_type_double;
-extern ffi_type ffi_type_longdouble;
-extern ffi_type ffi_type_pointer;
-
-/* Characters are 8 bit integral types */
-#define ffi_type_schar ffi_type_sint8
-#define ffi_type_uchar ffi_type_uint8
-
-typedef enum {
- FFI_OK = 0,
- FFI_BAD_TYPEDEF,
- FFI_BAD_ABI
-} ffi_status;
-
-typedef unsigned FFI_TYPE;
-
-typedef struct {
- ffi_abi abi;
- unsigned nargs;
- /*@dependent@*/ ffi_type **arg_types;
- /*@dependent@*/ ffi_type *rtype;
- unsigned bytes;
- unsigned flags;
-
-#ifdef MIPS
-#if _MIPS_SIM == _ABIN32
- unsigned rstruct_flag;
-#endif
-#endif
-
-} ffi_cif;
-
-/* ---- Definitions for the raw API -------------------------------------- */
-
-#if !FFI_NO_RAW_API
-
-#if SIZEOF_ARG == 4
-
-#define UINT_ARG UINT32
-#define SINT_ARG SINT32
-
-#endif
-
-#if SIZEOF_ARG == 8
-
-#define UINT_ARG UINT64
-#define SINT_ARG SINT64
-
-#endif
-
-typedef union {
- SINT_ARG sint;
- UINT_ARG uint;
- float flt;
- char data[SIZEOF_ARG];
- void* ptr;
-} ffi_raw;
-
-void ffi_raw_call (/*@dependent@*/ ffi_cif *cif,
- void (*fn)(),
- /*@out@*/ void *rvalue,
- /*@dependent@*/ ffi_raw *avalue);
-
-void ffi_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_raw *raw);
-void ffi_raw_to_ptrarray (ffi_cif *cif, ffi_raw *raw, void **args);
-size_t ffi_raw_size (ffi_cif *cif);
-
-#if !NO_JAVA_RAW_API
-
-/* This is analogous to the raw API, except it uses Java parameter */
-/* packing, even on 64-bit machines. I.e. on 64-bit machines */
-/* longs and doubles are followed by an empty 64-bit word. */
-
-void ffi_java_raw_call (/*@dependent@*/ ffi_cif *cif,
- void (*fn)(),
- /*@out@*/ void *rvalue,
- /*@dependent@*/ ffi_raw *avalue);
-
-void ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_raw *raw);
-void ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_raw *raw, void **args);
-size_t ffi_java_raw_size (ffi_cif *cif);
-
-#endif /* !NO_JAVA_RAW_API */
-
-#endif /* !FFI_NO_RAW_API */
-
-/* ---- Definitions for closures ----------------------------------------- */
-
-#ifdef X86
-
-#define FFI_CLOSURES 1 /* x86 supports closures */
-#define FFI_TRAMPOLINE_SIZE 10
-#define FFI_NATIVE_RAW_API 1 /* and has native raw api support */
-
-#elif defined(X86_WIN32)
-
-#define FFI_CLOSURES 1 /* x86 supports closures */
-#define FFI_TRAMPOLINE_SIZE 10
-#define FFI_NATIVE_RAW_API 1 /* and has native raw api support */
-
-#elif defined(IA64)
-
-#define FFI_CLOSURES 1
-#define FFI_TRAMPOLINE_SIZE 24 /* Really the following struct, which */
- /* can be interpreted as a C function */
- /* decriptor: */
-
-struct ffi_ia64_trampoline_struct {
- void * code_pointer; /* Pointer to ffi_closure_UNIX */
- void * fake_gp; /* Pointer to closure, installed as gp */
- void * real_gp; /* Real gp value, reinstalled by */
- /* ffi_closure_UNIX. */
-};
-#define FFI_NATIVE_RAW_API 0
-
-#elif defined(ALPHA)
-
-#define FFI_CLOSURES 1
-#define FFI_TRAMPOLINE_SIZE 24
-#define FFI_NATIVE_RAW_API 0
-
-#elif defined(POWERPC)
-
-#define FFI_CLOSURES 1
-#define FFI_TRAMPOLINE_SIZE 40
-#define FFI_NATIVE_RAW_API 0
-
-#else
-
-#define FFI_CLOSURES 0
-#define FFI_NATIVE_RAW_API 0
-
-#endif
-
-
-
-#if FFI_CLOSURES
-
-typedef struct {
- char tramp[FFI_TRAMPOLINE_SIZE];
- ffi_cif *cif;
- void (*fun)(ffi_cif*,void*,void**,void*);
- void *user_data;
-} ffi_closure;
-
-ffi_status
-ffi_prep_closure (ffi_closure*,
- ffi_cif *,
- void (*fun)(ffi_cif*,void*,void**,void*),
- void *user_data);
-
-#if !FFI_NO_RAW_API
-
-typedef struct {
- char tramp[FFI_TRAMPOLINE_SIZE];
-
- ffi_cif *cif;
-
-#if !FFI_NATIVE_RAW_API
-
- /* if this is enabled, then a raw closure has the same layout
- as a regular closure. We use this to install an intermediate
- handler to do the transaltion, void** -> ffi_raw*. */
-
- void (*translate_args)(ffi_cif*,void*,void**,void*);
- void *this_closure;
-
-#endif
-
- void (*fun)(ffi_cif*,void*,ffi_raw*,void*);
- void *user_data;
-
-} ffi_raw_closure;
-
-ffi_status
-ffi_prep_raw_closure (ffi_raw_closure*,
- ffi_cif *cif,
- void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
- void *user_data);
-
-#ifndef NO_JAVA_RAW_API
-ffi_status
-ffi_prep_java_raw_closure (ffi_raw_closure*,
- ffi_cif *cif,
- void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
- void *user_data);
-#endif
-
-#endif /* !FFI_NO_RAW_API */
-#endif /* FFI_CLOSURES */
-
-/* ---- Public interface definition -------------------------------------- */
-
-ffi_status ffi_prep_cif(/*@out@*/ /*@partial@*/ ffi_cif *cif,
- ffi_abi abi,
- unsigned int nargs,
- /*@dependent@*/ /*@out@*/ /*@partial@*/ ffi_type *rtype,
- /*@dependent@*/ ffi_type **atypes);
-
-void ffi_call(/*@dependent@*/ ffi_cif *cif,
- void (*fn)(),
- /*@out@*/ void *rvalue,
- /*@dependent@*/ void **avalue);
-
-/* Useful for eliminating compiler warnings */
-#define FFI_FN(f) ((void (*)())f)
-
-/* ---- Definitions shared with assembly code ---------------------------- */
-
-#endif
-
-#define FFI_TYPE_VOID 0
-#define FFI_TYPE_INT 1
-#define FFI_TYPE_FLOAT 2
-#define FFI_TYPE_DOUBLE 3
-#if SIZEOF_LONG_DOUBLE == SIZEOF_DOUBLE
-#define FFI_TYPE_LONGDOUBLE FFI_TYPE_DOUBLE
-#else
-#define FFI_TYPE_LONGDOUBLE 4
-#endif
-
-#define FFI_TYPE_UINT8 5 /* If this changes, update ffi_mips.h. */
-#define FFI_TYPE_SINT8 6 /* If this changes, update ffi_mips.h. */
-#define FFI_TYPE_UINT16 7
-#define FFI_TYPE_SINT16 8
-#define FFI_TYPE_UINT32 9
-#define FFI_TYPE_SINT32 10
-#define FFI_TYPE_UINT64 11
-#define FFI_TYPE_SINT64 12
-#define FFI_TYPE_STRUCT 13 /* If this changes, update ffi_mips.h. */
-#define FFI_TYPE_POINTER 14
-
-/* This should always refer to the last type code (for sanity checks) */
-#define FFI_TYPE_LAST FFI_TYPE_POINTER
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
-
diff --git a/libffi/include/ffi_mips.h b/libffi/include/ffi_mips.h
deleted file mode 100644
index 6fd5647..0000000
--- a/libffi/include/ffi_mips.h
+++ /dev/null
@@ -1,141 +0,0 @@
-/* -----------------------------------------------------------------------
- ffi-mips.h - Copyright (c) 1996 Cygnus Support
-
- MIPS FFI Definitions
-
- 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 CYGNUS SUPPORT 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 FFI_MIPS_H
-
-#include <ffi.h>
-
-#if !defined(_MIPS_SIM)
--- something is very wrong --
-#else
-# if _MIPS_SIM==_ABIN32 && defined(_ABIN32)
-# define FFI_MIPS_N32
-# else
-# if defined(__GNUC__)
-# define FFI_MIPS_O32
-# else
-# if _MIPS_SIM==_ABIO32
-# define FFI_MIPS_O32
-# else
--- this is an unsupported platform --
-# endif
-# endif
-# endif
-#endif
-
-#define v0 $2
-#define v1 $3
-#define a0 $4
-#define a1 $5
-#define a2 $6
-#define a3 $7
-#define a4 $8
-#define a5 $9
-#define a6 $10
-#define a7 $11
-#define t0 $8
-#define t1 $9
-#define t2 $10
-#define t3 $11
-#define t4 $12
-#define t5 $13
-#define t6 $14
-#define t7 $15
-#define t8 $24
-#define t9 $25
-#define ra $31
-
-#if defined(FFI_MIPS_O32)
-
-#define FFI_DEFAULT_ABI FFI_O32
-
-/* O32 stack frames have 32bit integer args */
-#define SLOT_TYPE_UNSIGNED UINT32
-#define SLOT_TYPE_SIGNED SINT32
-#define SIZEOF_ARG 4
-
-#define REG_L lw
-#define REG_S sw
-#define SUBU subu
-#define ADDU addu
-#define SRL srl
-#define LI li
-
-#else
-
-#define FFI_DEFAULT_ABI FFI_N32
-
-/* N32 and N64 frames have 64bit integer args */
-#define SLOT_TYPE_UNSIGNED UINT64
-#define SLOT_TYPE_SIGNED SINT64
-#define SIZEOF_ARG 8
-
-#define REG_L ld
-#define REG_S sd
-#define SUBU dsubu
-#define ADDU daddu
-#define SRL dsrl
-#define LI dli
-
-#endif
-
-#define FFI_FLAG_BITS 2
-
-/* SGI's strange assembler requires that we multiply by 4 rather
- than shift left by FFI_FLAG_BITS */
-
-#define FFI_ARGS_D FFI_TYPE_DOUBLE
-#define FFI_ARGS_F FFI_TYPE_FLOAT
-#define FFI_ARGS_DD FFI_TYPE_DOUBLE * 4 + FFI_TYPE_DOUBLE
-#define FFI_ARGS_FF FFI_TYPE_FLOAT * 4 + FFI_TYPE_FLOAT
-#define FFI_ARGS_FD FFI_TYPE_DOUBLE * 4 + FFI_TYPE_FLOAT
-#define FFI_ARGS_DF FFI_TYPE_FLOAT * 4 + FFI_TYPE_DOUBLE
-
-/* Needed for N32 structure returns */
-#define FFI_TYPE_SMALLSTRUCT FFI_TYPE_UINT8
-#define FFI_TYPE_SMALLSTRUCT2 FFI_TYPE_SINT8
-
-#if 0
-
-/* The SGI assembler can't handle this.. */
-
-#define FFI_TYPE_STRUCT_DD (( FFI_ARGS_DD ) << 4) + FFI_TYPE_STRUCT
-
-#else
-
-/* ...so we calculate these by hand! */
-
-#define FFI_TYPE_STRUCT_D 61
-#define FFI_TYPE_STRUCT_F 45
-#define FFI_TYPE_STRUCT_DD 253
-#define FFI_TYPE_STRUCT_FF 173
-#define FFI_TYPE_STRUCT_FD 237
-#define FFI_TYPE_STRUCT_DF 189
-#define FFI_TYPE_STRUCT_SMALL 93
-#define FFI_TYPE_STRUCT_SMALL2 109
-
-#endif
-
-#endif
diff --git a/libffi/mips/ffi.c b/libffi/mips/ffi.c
new file mode 100644
index 0000000..fb733b2
--- /dev/null
+++ b/libffi/mips/ffi.c
@@ -0,0 +1,470 @@
+/* -----------------------------------------------------------------------
+ ffi.c - Copyright (c) 1996, 2001 Red Hat, Inc.
+
+ MIPS 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 CYGNUS SOLUTIONS 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 <mips/mips.h>
+
+#include <stdlib.h>
+
+#if _MIPS_SIM == _MIPS_SIM_NABI32
+#define FIX_ARGP \
+FFI_ASSERT(argp <= &stack[bytes]); \
+if (argp == &stack[bytes]) \
+{ \
+ argp = stack; \
+ ffi_stop_here(); \
+}
+#else
+#define FIX_ARGP
+#endif
+
+
+/* ffi_prep_args is called by the assembly routine once stack space
+ has been allocated for the function's arguments */
+
+static void ffi_prep_args(char *stack,
+ extended_cif *ecif,
+ int bytes,
+ int flags)
+{
+ register int i;
+ register int avn;
+ register void **p_argv;
+ register char *argp;
+ register ffi_type **p_arg;
+
+#if _MIPS_SIM == _MIPS_SIM_NABI32
+ /* If more than 8 double words are used, the remainder go
+ on the stack. We reorder stuff on the stack here to
+ support this easily. */
+ if (bytes > 8 * SIZEOF_ARG)
+ argp = &stack[bytes - (8 * SIZEOF_ARG)];
+ else
+ argp = stack;
+#else
+ argp = stack;
+#endif
+
+ memset(stack, 0, bytes);
+
+#if _MIPS_SIM == _MIPS_SIM_NABI32
+ if ( ecif->cif->rstruct_flag != 0 )
+#else
+ if ( ecif->cif->rtype->type == FFI_TYPE_STRUCT )
+#endif
+ {
+ *(SLOT_TYPE_UNSIGNED *) argp = (SLOT_TYPE_UNSIGNED) ecif->rvalue;
+ argp += sizeof(SLOT_TYPE_UNSIGNED);
+ FIX_ARGP;
+ }
+
+ avn = ecif->cif->nargs;
+ p_argv = ecif->avalue;
+
+ for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types;
+ i && avn;
+ i--, p_arg++)
+ {
+ size_t z;
+
+ /* Align if necessary */
+ if (((*p_arg)->alignment - 1) & (unsigned) argp) {
+ argp = (char *) ALIGN(argp, (*p_arg)->alignment);
+ FIX_ARGP;
+ }
+
+#if _MIPS_SIM == _MIPS_SIM_ABI32
+#define OFFSET 0
+#else
+#define OFFSET sizeof(int)
+#endif
+
+ if (avn)
+ {
+ avn--;
+ z = (*p_arg)->size;
+ if (z < sizeof(SLOT_TYPE_UNSIGNED))
+ {
+ z = sizeof(SLOT_TYPE_UNSIGNED);
+
+ switch ((*p_arg)->type)
+ {
+ case FFI_TYPE_SINT8:
+ *(SINT32 *) &argp[OFFSET] = (SINT32)*(SINT8 *)(* p_argv);
+ break;
+
+ case FFI_TYPE_UINT8:
+ *(UINT32 *) &argp[OFFSET] = (UINT32)*(UINT8 *)(* p_argv);
+ break;
+
+ case FFI_TYPE_SINT16:
+ *(SINT32 *) &argp[OFFSET] = (SINT32)*(SINT16 *)(* p_argv);
+ break;
+
+ case FFI_TYPE_UINT16:
+ *(UINT32 *) &argp[OFFSET] = (UINT32)*(UINT16 *)(* p_argv);
+ break;
+
+ case FFI_TYPE_SINT32:
+ *(SINT32 *) &argp[OFFSET] = (SINT32)*(SINT32 *)(* p_argv);
+ break;
+
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_POINTER:
+ *(UINT32 *) &argp[OFFSET] = (UINT32)*(UINT32 *)(* p_argv);
+ break;
+
+ /* This can only happen with 64bit slots */
+ case FFI_TYPE_FLOAT:
+ *(float *) argp = *(float *)(* p_argv);
+ break;
+
+ /* Handle small structures */
+ case FFI_TYPE_STRUCT:
+ memcpy(argp, *p_argv, (*p_arg)->size);
+ break;
+
+ default:
+ FFI_ASSERT(0);
+ }
+ }
+ else
+ {
+#if _MIPS_SIM == _MIPS_SIM_ABI32
+ memcpy(argp, *p_argv, z);
+#else
+ {
+ unsigned end = (unsigned) argp+z;
+ unsigned cap = (unsigned) stack+bytes;
+
+ /* Check if the data will fit within the register
+ space. Handle it if it doesn't. */
+
+ if (end <= cap)
+ memcpy(argp, *p_argv, z);
+ else
+ {
+ unsigned portion = end - cap;
+
+ memcpy(argp, *p_argv, portion);
+ argp = stack;
+ memcpy(argp,
+ (void*)((unsigned)(*p_argv)+portion), z - portion);
+ }
+ }
+#endif
+ }
+ p_argv++;
+ argp += z;
+ FIX_ARGP;
+ }
+ }
+
+ return;
+}
+
+#if _MIPS_SIM == _MIPS_SIM_NABI32
+
+/* The n32 spec says that if "a chunk consists solely of a double
+ float field (but not a double, which is part of a union), it
+ is passed in a floating point register. Any other chunk is
+ passed in an integer register". This code traverses structure
+ definitions and generates the appropriate flags. */
+
+unsigned calc_n32_struct_flags(ffi_type *arg, unsigned *shift)
+{
+ unsigned flags = 0;
+ unsigned index = 0;
+
+ ffi_type *e;
+
+ while (e = arg->elements[index])
+ {
+ if (e->type == FFI_TYPE_DOUBLE)
+ {
+ flags += (FFI_TYPE_DOUBLE << *shift);
+ *shift += FFI_FLAG_BITS;
+ }
+ else if (e->type == FFI_TYPE_STRUCT)
+ flags += calc_n32_struct_flags(e, shift);
+ else
+ *shift += FFI_FLAG_BITS;
+
+ index++;
+ }
+
+ return flags;
+}
+
+unsigned calc_n32_return_struct_flags(ffi_type *arg)
+{
+ unsigned flags = 0;
+ unsigned index = 0;
+ unsigned small = FFI_TYPE_SMALLSTRUCT;
+ ffi_type *e;
+
+ /* Returning structures under n32 is a tricky thing.
+ A struct with only one or two floating point fields
+ is returned in $f0 (and $f2 if necessary). Any other
+ struct results at most 128 bits are returned in $2
+ (the first 64 bits) and $3 (remainder, if necessary).
+ Larger structs are handled normally. */
+
+ if (arg->size > 16)
+ return 0;
+
+ if (arg->size > 8)
+ small = FFI_TYPE_SMALLSTRUCT2;
+
+ e = arg->elements[0];
+ if (e->type == FFI_TYPE_DOUBLE)
+ flags = FFI_TYPE_DOUBLE << FFI_FLAG_BITS;
+ else if (e->type == FFI_TYPE_FLOAT)
+ flags = FFI_TYPE_FLOAT << FFI_FLAG_BITS;
+
+ if (flags && (e = arg->elements[1]))
+ {
+ if (e->type == FFI_TYPE_DOUBLE)
+ flags += FFI_TYPE_DOUBLE;
+ else if (e->type == FFI_TYPE_FLOAT)
+ flags += FFI_TYPE_FLOAT;
+ else
+ return small;
+
+ if (flags && (arg->elements[2]))
+ {
+ /* There are three arguments and the first two are
+ floats! This must be passed the old way. */
+ return small;
+ }
+ }
+ else
+ if (!flags)
+ return small;
+
+ return flags;
+}
+
+#endif
+
+/* Perform machine dependent cif processing */
+ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
+{
+ cif->flags = 0;
+
+#if _MIPS_SIM == _MIPS_SIM_ABI32
+ /* Set the flags necessary for O32 processing */
+
+ if (cif->rtype->type != FFI_TYPE_STRUCT)
+ {
+ if (cif->nargs > 0)
+ {
+ switch ((cif->arg_types)[0]->type)
+ {
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ cif->flags += (cif->arg_types)[0]->type;
+ break;
+
+ default:
+ break;
+ }
+
+ if (cif->nargs > 1)
+ {
+ /* Only handle the second argument if the first
+ is a float or double. */
+ if (cif->flags)
+ {
+ switch ((cif->arg_types)[1]->type)
+ {
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ cif->flags += (cif->arg_types)[1]->type << FFI_FLAG_BITS;
+ break;
+
+ default:
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ /* Set the return type flag */
+ switch (cif->rtype->type)
+ {
+ case FFI_TYPE_VOID:
+ case FFI_TYPE_STRUCT:
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ cif->flags += cif->rtype->type << (FFI_FLAG_BITS * 2);
+ break;
+
+ default:
+ cif->flags += FFI_TYPE_INT << (FFI_FLAG_BITS * 2);
+ break;
+ }
+#endif
+
+#if _MIPS_SIM == _MIPS_SIM_NABI32
+ /* Set the flags necessary for N32 processing */
+ {
+ unsigned shift = 0;
+ unsigned count = (cif->nargs < 8) ? cif->nargs : 8;
+ unsigned index = 0;
+
+ unsigned struct_flags = 0;
+
+ if (cif->rtype->type == FFI_TYPE_STRUCT)
+ {
+ struct_flags = calc_n32_return_struct_flags(cif->rtype);
+
+ if (struct_flags == 0)
+ {
+ /* This means that the structure is being passed as
+ a hidden argument */
+
+ shift = FFI_FLAG_BITS;
+ count = (cif->nargs < 7) ? cif->nargs : 7;
+
+ cif->rstruct_flag = !0;
+ }
+ else
+ cif->rstruct_flag = 0;
+ }
+ else
+ cif->rstruct_flag = 0;
+
+ while (count-- > 0)
+ {
+ switch ((cif->arg_types)[index]->type)
+ {
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ cif->flags += ((cif->arg_types)[index]->type << shift);
+ shift += FFI_FLAG_BITS;
+ break;
+
+ case FFI_TYPE_STRUCT:
+ cif->flags += calc_n32_struct_flags((cif->arg_types)[index],
+ &shift);
+ break;
+
+ default:
+ shift += FFI_FLAG_BITS;
+ }
+
+ index++;
+ }
+
+ /* Set the return type flag */
+ switch (cif->rtype->type)
+ {
+ case FFI_TYPE_STRUCT:
+ {
+ if (struct_flags == 0)
+ {
+ /* The structure is returned through a hidden
+ first argument. Do nothing, 'cause FFI_TYPE_VOID
+ is 0 */
+ }
+ else
+ {
+ /* The structure is returned via some tricky
+ mechanism */
+ cif->flags += FFI_TYPE_STRUCT << (FFI_FLAG_BITS * 8);
+ cif->flags += struct_flags << (4 + (FFI_FLAG_BITS * 8));
+ }
+ break;
+ }
+
+ case FFI_TYPE_VOID:
+ /* Do nothing, 'cause FFI_TYPE_VOID is 0 */
+ break;
+
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ cif->flags += cif->rtype->type << (FFI_FLAG_BITS * 8);
+ break;
+
+ default:
+ cif->flags += FFI_TYPE_INT << (FFI_FLAG_BITS * 8);
+ break;
+ }
+ }
+#endif
+
+ return FFI_OK;
+}
+
+/* Low level routine for calling O32 functions */
+extern int ffi_call_O32(void (*)(char *, extended_cif *, int, int),
+ extended_cif *, unsigned,
+ unsigned, unsigned *, void (*)());
+
+/* Low level routine for calling N32 functions */
+extern int ffi_call_N32(void (*)(char *, extended_cif *, int, int),
+ extended_cif *, unsigned,
+ unsigned, unsigned *, void (*)());
+
+void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue)
+{
+ 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 */
+
+ if ((rvalue == NULL) &&
+ (cif->rtype->type == FFI_TYPE_STRUCT))
+ ecif.rvalue = alloca(cif->rtype->size);
+ else
+ ecif.rvalue = rvalue;
+
+ switch (cif->abi)
+ {
+#if _MIPS_SIM == _MIPS_SIM_ABI32
+ case FFI_O32:
+ ffi_call_O32(ffi_prep_args, &ecif, cif->bytes,
+ cif->flags, ecif.rvalue, fn);
+ break;
+#endif
+
+#if _MIPS_SIM == _MIPS_SIM_NABI32
+ case FFI_N32:
+ ffi_call_N32(ffi_prep_args, &ecif, cif->bytes,
+ cif->flags, ecif.rvalue, fn);
+ break;
+#endif
+
+ default:
+ FFI_ASSERT(0);
+ break;
+ }
+}
diff --git a/libffi/mips/mips.h b/libffi/mips/mips.h
new file mode 100644
index 0000000..8ca9e84
--- /dev/null
+++ b/libffi/mips/mips.h
@@ -0,0 +1,144 @@
+/* -----------------------------------------------------------------------
+ ffi-mips.h - Copyright (c) 1996, 2001 Red Hat, Inc.
+
+ MIPS FFI Definitions
+
+ 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 CYGNUS SUPPORT 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 MIPS_H
+
+#if defined(__mips_eabi)
+# define FFI_MIPS_EABI
+# define FFI_MIPS_O32
+#else
+# if !defined(_MIPS_SIM)
+-- something is very wrong --
+# else
+# if _MIPS_SIM==_ABIN32 && defined(_ABIN32)
+# define FFI_MIPS_N32
+# else
+# if defined(__GNUC__)
+# define FFI_MIPS_O32
+# else
+# if _MIPS_SIM==_ABIO32
+# define FFI_MIPS_O32
+# else
+-- this is an unsupported platform --
+# endif
+# endif
+# endif
+# endif
+#endif
+
+#define v0 $2
+#define v1 $3
+#define a0 $4
+#define a1 $5
+#define a2 $6
+#define a3 $7
+#define a4 $8
+#define a5 $9
+#define a6 $10
+#define a7 $11
+#define t0 $8
+#define t1 $9
+#define t2 $10
+#define t3 $11
+#define t4 $12
+#define t5 $13
+#define t6 $14
+#define t7 $15
+#define t8 $24
+#define t9 $25
+#define ra $31
+
+#if defined(FFI_MIPS_O32)
+
+#define FFI_DEFAULT_ABI FFI_O32
+
+/* O32 stack frames have 32bit integer args */
+#define SLOT_TYPE_UNSIGNED UINT32
+#define SLOT_TYPE_SIGNED SINT32
+#define SIZEOF_ARG 4
+
+#define REG_L lw
+#define REG_S sw
+#define SUBU subu
+#define ADDU addu
+#define SRL srl
+#define LI li
+
+#else
+
+#define FFI_DEFAULT_ABI FFI_N32
+
+/* N32 and N64 frames have 64bit integer args */
+#define SLOT_TYPE_UNSIGNED UINT64
+#define SLOT_TYPE_SIGNED SINT64
+#define SIZEOF_ARG 8
+
+#define REG_L ld
+#define REG_S sd
+#define SUBU dsubu
+#define ADDU daddu
+#define SRL dsrl
+#define LI dli
+
+#endif
+
+#define FFI_FLAG_BITS 2
+
+/* SGI's strange assembler requires that we multiply by 4 rather
+ than shift left by FFI_FLAG_BITS */
+
+#define FFI_ARGS_D FFI_TYPE_DOUBLE
+#define FFI_ARGS_F FFI_TYPE_FLOAT
+#define FFI_ARGS_DD FFI_TYPE_DOUBLE * 4 + FFI_TYPE_DOUBLE
+#define FFI_ARGS_FF FFI_TYPE_FLOAT * 4 + FFI_TYPE_FLOAT
+#define FFI_ARGS_FD FFI_TYPE_DOUBLE * 4 + FFI_TYPE_FLOAT
+#define FFI_ARGS_DF FFI_TYPE_FLOAT * 4 + FFI_TYPE_DOUBLE
+
+/* Needed for N32 structure returns */
+#define FFI_TYPE_SMALLSTRUCT FFI_TYPE_UINT8
+#define FFI_TYPE_SMALLSTRUCT2 FFI_TYPE_SINT8
+
+#if 0
+
+/* The SGI assembler can't handle this.. */
+
+#define FFI_TYPE_STRUCT_DD (( FFI_ARGS_DD ) << 4) + FFI_TYPE_STRUCT
+
+#else
+
+/* ...so we calculate these by hand! */
+
+#define FFI_TYPE_STRUCT_D 61
+#define FFI_TYPE_STRUCT_F 45
+#define FFI_TYPE_STRUCT_DD 253
+#define FFI_TYPE_STRUCT_FF 173
+#define FFI_TYPE_STRUCT_FD 237
+#define FFI_TYPE_STRUCT_DF 189
+#define FFI_TYPE_STRUCT_SMALL 93
+#define FFI_TYPE_STRUCT_SMALL2 109
+
+#endif
+
+#endif
diff --git a/libffi/mips/n32.S b/libffi/mips/n32.S
new file mode 100644
index 0000000..ee137b7
--- /dev/null
+++ b/libffi/mips/n32.S
@@ -0,0 +1,319 @@
+/* -----------------------------------------------------------------------
+ n32.S - Copyright (c) 1996, 1998 Cygnus Solutions
+
+ MIPS 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 CYGNUS SOLUTIONS 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 <ffi.h>
+#include <mips/mips.h>
+
+/* Only build this code if we are compiling for n32 */
+
+#if defined(FFI_MIPS_N32)
+
+#define callback a0
+#define bytes a2
+#define flags a3
+#define raddr a4
+#define fn a5
+
+#define SIZEOF_FRAME ( 8 * SIZEOF_ARG )
+
+ .text
+ .align 2
+ .globl ffi_call_N32
+ .ent ffi_call_N32
+ffi_call_N32:
+
+ # Prologue
+ SUBU $sp, SIZEOF_FRAME # Frame size
+ REG_S $fp, SIZEOF_FRAME - 2*SIZEOF_ARG($sp) # Save frame pointer
+ REG_S ra, SIZEOF_FRAME - 1*SIZEOF_ARG($sp) # Save return address
+ move $fp, $sp
+
+ move t9, callback # callback function pointer
+ REG_S bytes, 2*SIZEOF_ARG($fp) # bytes
+ REG_S flags, 3*SIZEOF_ARG($fp) # flags
+ REG_S raddr, 4*SIZEOF_ARG($fp) # raddr
+ REG_S fn, 5*SIZEOF_ARG($fp) # fn
+
+ # Allocate at least 4 words in the argstack
+ move v0, bytes
+ bge bytes, 4 * SIZEOF_ARG, bigger
+ LI v0, 4 * SIZEOF_ARG
+ b sixteen
+
+ bigger:
+ ADDU t4, v0, 2 * SIZEOF_ARG -1 # make sure it is aligned
+ and v0, t4, -2 * SIZEOF_ARG # to a proper boundry.
+
+sixteen:
+ SUBU $sp, $sp, v0 # move the stack pointer to reflect the
+ # arg space
+
+ ADDU a0, $sp, 0 # 4 * SIZEOF_ARG
+ ADDU a3, $fp, 3 * SIZEOF_ARG
+
+ # Call ffi_prep_args
+ jal t9
+
+ # ADDU $sp, $sp, 4 * SIZEOF_ARG # adjust $sp to new args
+
+ # Copy the stack pointer to t9
+ move t9, $sp
+
+ # Fix the stack if there are more than 8 64bit slots worth
+ # of arguments.
+
+ # Load the number of bytes
+ REG_L t6, 2*SIZEOF_ARG($fp)
+
+ # Is it bigger than 8 * SIZEOF_ARG?
+ dadd t7, $0, 8 * SIZEOF_ARG
+ dsub t8, t6, t7
+ bltz t8, loadregs
+
+ add t9, t9, t8
+
+loadregs:
+
+ REG_L t4, 3*SIZEOF_ARG($fp) # load the flags word
+ add t6, t4, 0 # and copy it into t6
+
+ and t4, ((1<<FFI_FLAG_BITS)-1)
+ bnez t4, arg1_floatp
+ REG_L a0, 0*SIZEOF_ARG(t9)
+ b arg1_next
+arg1_floatp:
+ bne t4, FFI_TYPE_FLOAT, arg1_doublep
+ l.s $f12, 0*SIZEOF_ARG(t9)
+ b arg1_next
+arg1_doublep:
+ l.d $f12, 0*SIZEOF_ARG(t9)
+arg1_next:
+
+ add t4, t6, 0
+ SRL t4, 1*FFI_FLAG_BITS
+ and t4, ((1<<FFI_FLAG_BITS)-1)
+ bnez t4, arg2_floatp
+ REG_L a1, 1*SIZEOF_ARG(t9)
+ b arg2_next
+arg2_floatp:
+ bne t4, FFI_TYPE_FLOAT, arg2_doublep
+ l.s $f13, 1*SIZEOF_ARG(t9)
+ b arg2_next
+arg2_doublep:
+ l.d $f13, 1*SIZEOF_ARG(t9)
+arg2_next:
+
+ add t4, t6, 0
+ SRL t4, 2*FFI_FLAG_BITS
+ and t4, ((1<<FFI_FLAG_BITS)-1)
+ bnez t4, arg3_floatp
+ REG_L a2, 2*SIZEOF_ARG(t9)
+ b arg3_next
+arg3_floatp:
+ bne t4, FFI_TYPE_FLOAT, arg3_doublep
+ l.s $f14, 2*SIZEOF_ARG(t9)
+ b arg3_next
+arg3_doublep:
+ l.d $f14, 2*SIZEOF_ARG(t9)
+arg3_next:
+
+ add t4, t6, 0
+ SRL t4, 3*FFI_FLAG_BITS
+ and t4, ((1<<FFI_FLAG_BITS)-1)
+ bnez t4, arg4_floatp
+ REG_L a3, 3*SIZEOF_ARG(t9)
+ b arg4_next
+arg4_floatp:
+ bne t4, FFI_TYPE_FLOAT, arg4_doublep
+ l.s $f15, 3*SIZEOF_ARG(t9)
+ b arg4_next
+arg4_doublep:
+ l.d $f15, 3*SIZEOF_ARG(t9)
+arg4_next:
+
+ add t4, t6, 0
+ SRL t4, 4*FFI_FLAG_BITS
+ and t4, ((1<<FFI_FLAG_BITS)-1)
+ bnez t4, arg5_floatp
+ REG_L a4, 4*SIZEOF_ARG(t9)
+ b arg5_next
+arg5_floatp:
+ bne t4, FFI_TYPE_FLOAT, arg5_doublep
+ l.s $f16, 4*SIZEOF_ARG(t9)
+ b arg5_next
+arg5_doublep:
+ l.d $f16, 4*SIZEOF_ARG(t9)
+arg5_next:
+
+ add t4, t6, 0
+ SRL t4, 5*FFI_FLAG_BITS
+ and t4, ((1<<FFI_FLAG_BITS)-1)
+ bnez t4, arg6_floatp
+ REG_L a5, 5*SIZEOF_ARG(t9)
+ b arg6_next
+arg6_floatp:
+ bne t4, FFI_TYPE_FLOAT, arg6_doublep
+ l.s $f17, 5*SIZEOF_ARG(t9)
+ b arg6_next
+arg6_doublep:
+ l.d $f17, 5*SIZEOF_ARG(t9)
+arg6_next:
+
+ add t4, t6, 0
+ SRL t4, 6*FFI_FLAG_BITS
+ and t4, ((1<<FFI_FLAG_BITS)-1)
+ bnez t4, arg7_floatp
+ REG_L a6, 6*SIZEOF_ARG(t9)
+ b arg7_next
+arg7_floatp:
+ bne t4, FFI_TYPE_FLOAT, arg7_doublep
+ l.s $f18, 6*SIZEOF_ARG(t9)
+ b arg7_next
+arg7_doublep:
+ l.d $f18, 6*SIZEOF_ARG(t9)
+arg7_next:
+
+ add t4, t6, 0
+ SRL t4, 7*FFI_FLAG_BITS
+ and t4, ((1<<FFI_FLAG_BITS)-1)
+ bnez t4, arg8_floatp
+ REG_L a7, 7*SIZEOF_ARG(t9)
+ b arg8_next
+arg8_floatp:
+ bne t4, FFI_TYPE_FLOAT, arg8_doublep
+ l.s $f19, 7*SIZEOF_ARG(t9)
+ b arg8_next
+arg8_doublep:
+ l.d $f19, 7*SIZEOF_ARG(t9)
+arg8_next:
+
+callit:
+ # Load the function pointer
+ REG_L t9, 5*SIZEOF_ARG($fp)
+
+ # If the return value pointer is NULL, assume no return value.
+ REG_L t5, 4*SIZEOF_ARG($fp)
+ beqz t5, noretval
+
+ # Shift the return type flag over
+ SRL t6, 8*FFI_FLAG_BITS
+
+ bne t6, FFI_TYPE_INT, retfloat
+ jal t9
+ REG_L t4, 4*SIZEOF_ARG($fp)
+ REG_S v0, 0(t4)
+ b epilogue
+
+retfloat:
+ bne t6, FFI_TYPE_FLOAT, retdouble
+ jal t9
+ REG_L t4, 4*SIZEOF_ARG($fp)
+ s.s $f0, 0(t4)
+ b epilogue
+
+retdouble:
+ bne t6, FFI_TYPE_DOUBLE, retstruct_d
+ jal t9
+ REG_L t4, 4*SIZEOF_ARG($fp)
+ s.d $f0, 0(t4)
+ b epilogue
+
+retstruct_d:
+ bne t6, FFI_TYPE_STRUCT_D, retstruct_f
+ jal t9
+ REG_L t4, 4*SIZEOF_ARG($fp)
+ s.d $f0, 0(t4)
+ b epilogue
+
+retstruct_f:
+ bne t6, FFI_TYPE_STRUCT_F, retstruct_d_d
+ jal t9
+ REG_L t4, 4*SIZEOF_ARG($fp)
+ s.s $f0, 0(t4)
+ b epilogue
+
+retstruct_d_d:
+ bne t6, FFI_TYPE_STRUCT_DD, retstruct_f_f
+ jal t9
+ REG_L t4, 4*SIZEOF_ARG($fp)
+ s.d $f0, 0(t4)
+ s.d $f2, 8(t4)
+ b epilogue
+
+retstruct_f_f:
+ bne t6, FFI_TYPE_STRUCT_FF, retstruct_d_f
+ jal t9
+ REG_L t4, 4*SIZEOF_ARG($fp)
+ s.s $f0, 0(t4)
+ s.s $f2, 4(t4)
+ b epilogue
+
+retstruct_d_f:
+ bne t6, FFI_TYPE_STRUCT_DF, retstruct_f_d
+ jal t9
+ REG_L t4, 4*SIZEOF_ARG($fp)
+ s.d $f0, 0(t4)
+ s.s $f2, 8(t4)
+ b epilogue
+
+retstruct_f_d:
+ bne t6, FFI_TYPE_STRUCT_FD, retstruct_small
+ jal t9
+ REG_L t4, 4*SIZEOF_ARG($fp)
+ s.s $f0, 0(t4)
+ s.d $f2, 8(t4)
+ b epilogue
+
+retstruct_small:
+ bne t6, FFI_TYPE_STRUCT_SMALL, retstruct_small2
+ jal t9
+ REG_L t4, 4*SIZEOF_ARG($fp)
+ REG_S v0, 0(t4)
+ b epilogue
+
+retstruct_small2:
+ bne t6, FFI_TYPE_STRUCT_SMALL2, retstruct
+ jal t9
+ REG_L t4, 4*SIZEOF_ARG($fp)
+ REG_S v0, 0(t4)
+ REG_S v1, 8(t4)
+ b epilogue
+
+retstruct:
+noretval:
+ jal t9
+
+ # Epilogue
+epilogue:
+ move $sp, $fp
+ REG_L $fp, SIZEOF_FRAME - 2*SIZEOF_ARG($sp) # Restore frame pointer
+ REG_L ra, SIZEOF_FRAME - 1*SIZEOF_ARG($sp) # Restore return address
+ ADDU $sp, SIZEOF_FRAME # Fix stack pointer
+ j ra
+
+ .end ffi_call_N32
+
+#endif
diff --git a/libffi/mips/o32.S b/libffi/mips/o32.S
new file mode 100644
index 0000000..9c8bbb2
--- /dev/null
+++ b/libffi/mips/o32.S
@@ -0,0 +1,172 @@
+/* -----------------------------------------------------------------------
+ o32.S - Copyright (c) 1996, 1998 Cygnus Solutions
+
+ MIPS 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 CYGNUS SOLUTIONS 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 <ffi.h>
+#include <mips/mips.h>
+
+/* Only build this code if we are compiling for o32 */
+
+#if defined(FFI_MIPS_O32)
+
+#define callback a0
+#define bytes a2
+#define flags a3
+
+#define SIZEOF_FRAME ( 4 * SIZEOF_ARG + 2 * SIZEOF_ARG )
+
+ .text
+ .align 2
+ .globl ffi_call_O32
+ .ent ffi_call_O32
+ffi_call_O32:
+
+ # Prologue
+ SUBU $sp, SIZEOF_FRAME # Frame size
+ REG_S $fp, SIZEOF_FRAME - 2*SIZEOF_ARG($sp) # Save frame pointer
+ REG_S ra, SIZEOF_FRAME - 1*SIZEOF_ARG($sp) # Save return address
+ move $fp, $sp
+
+ move t9, callback # callback function pointer
+ REG_S flags, SIZEOF_FRAME + 3*SIZEOF_ARG($fp) # flags
+
+ # Allocate at least 4 words in the argstack
+ move v0, bytes
+ bge bytes, 4 * SIZEOF_ARG, bigger
+ LI v0, 4 * SIZEOF_ARG
+ b sixteen
+
+bigger:
+ ADDU t0, v0, 2 * SIZEOF_ARG -1 # make sure it is aligned
+ and v0, t0, -2 * SIZEOF_ARG # to an 8 byte boundry
+
+sixteen:
+ SUBU $sp, $sp, v0 # move the stack pointer to reflect the
+ # arg space
+
+ ADDU a0, $sp, 4 * SIZEOF_ARG
+ ADDU a3, $fp, SIZEOF_FRAME + 3*SIZEOF_ARG
+
+ jal t9
+
+ REG_L t0, SIZEOF_FRAME + 3*SIZEOF_ARG($fp) # load the flags word
+ add t2, t0, 0 # and copy it into t2
+
+ and t0, ((1<<4)-1) # mask out the return type
+ SRL t2, 4 # shift our arg info
+
+ ADDU $sp, $sp, 4 * SIZEOF_ARG # adjust $sp to new args
+
+ bnez t0, pass_d # make it quick for int
+ REG_L a0, 0*SIZEOF_ARG($sp) # just go ahead and load the
+ REG_L a1, 1*SIZEOF_ARG($sp) # four regs.
+ REG_L a2, 2*SIZEOF_ARG($sp)
+ REG_L a3, 3*SIZEOF_ARG($sp)
+ b call_it
+
+pass_d:
+ bne t0, FFI_ARGS_D, pass_f
+ l.d $f12, 0*SIZEOF_ARG($sp) # load $fp regs from args
+ REG_L a2, 2*SIZEOF_ARG($sp) # passing a double
+ REG_L a3, 3*SIZEOF_ARG($sp)
+ b call_it
+
+pass_f:
+ bne t0, FFI_ARGS_F, pass_d_d
+ l.s $f12, 0*SIZEOF_ARG($sp) # load $fp regs from args
+ REG_L a1, 1*SIZEOF_ARG($sp) # passing a float
+ REG_L a2, 2*SIZEOF_ARG($sp)
+ REG_L a3, 3*SIZEOF_ARG($sp)
+ b call_it
+
+pass_d_d:
+ bne t0, FFI_ARGS_DD, pass_f_f
+ l.d $f12, 0*SIZEOF_ARG($sp) # load $fp regs from args
+ l.d $f14, 2*SIZEOF_ARG($sp) # passing two doubles
+ b call_it
+
+pass_f_f:
+ bne t0, FFI_ARGS_FF, pass_d_f
+ l.s $f12, 0*SIZEOF_ARG($sp) # load $fp regs from args
+ l.s $f14, 1*SIZEOF_ARG($sp) # passing two floats
+ REG_L a2, 2*SIZEOF_ARG($sp)
+ REG_L a3, 3*SIZEOF_ARG($sp)
+ b call_it
+
+pass_d_f:
+ bne t0, FFI_ARGS_DF, pass_f_d
+ l.d $f12, 0*SIZEOF_ARG($sp) # load $fp regs from args
+ l.s $f14, 2*SIZEOF_ARG($sp) # passing double and float
+ REG_L a3, 3*SIZEOF_ARG($sp)
+ b call_it
+
+pass_f_d:
+ # assume that the only other combination must be float then double
+ # bne t0, FFI_ARGS_F_D, call_it
+ l.s $f12, 0*SIZEOF_ARG($sp) # load $fp regs from args
+ l.d $f14, 2*SIZEOF_ARG($sp) # passing double and float
+
+call_it:
+ # Load the function pointer
+ REG_L t9, SIZEOF_FRAME + 5*SIZEOF_ARG($fp)
+
+ # If the return value pointer is NULL, assume no return value.
+ REG_L t1, SIZEOF_FRAME + 4*SIZEOF_ARG($fp)
+ beqz t1, noretval
+
+ bne t2, FFI_TYPE_INT, retfloat
+ jal t9
+ REG_L t0, SIZEOF_FRAME + 4*SIZEOF_ARG($fp)
+ REG_S v0, 0(t0)
+ b epilogue
+
+retfloat:
+ bne t2, FFI_TYPE_FLOAT, retdouble
+ jal t9
+ REG_L t0, SIZEOF_FRAME + 4*SIZEOF_ARG($fp)
+ s.s $f0, 0(t0)
+ b epilogue
+
+retdouble:
+ bne t2, FFI_TYPE_DOUBLE, noretval
+ jal t9
+ REG_L t0, SIZEOF_FRAME + 4*SIZEOF_ARG($fp)
+ s.d $f0, 0(t0)
+ b epilogue
+
+noretval:
+ jal t9
+
+ # Epilogue
+epilogue:
+ move $sp, $fp
+ REG_L $fp, SIZEOF_FRAME - 2*SIZEOF_ARG($sp) # Restore frame pointer
+ REG_L ra, SIZEOF_FRAME - 1*SIZEOF_ARG($sp) # Restore return address
+ ADDU $sp, SIZEOF_FRAME # Fix stack pointer
+ j ra
+
+ .end ffi_call_O32
+
+#endif
diff --git a/libffi/s390/ffi.c b/libffi/s390/ffi.c
new file mode 100644
index 0000000..5498883
--- /dev/null
+++ b/libffi/s390/ffi.c
@@ -0,0 +1,589 @@
+/* -----------------------------------------------------------------------
+ ffi.c - Copyright (c) 2000 Software AG
+
+ S390 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 AUTHOR 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.
+ ----------------------------------------------------------------------- */
+/*====================================================================*/
+/* Includes */
+/* -------- */
+/*====================================================================*/
+
+#include <ffi.h>
+#include <ffi_common.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+
+/*====================== End of Includes =============================*/
+
+/*====================================================================*/
+/* Defines */
+/* ------- */
+/*====================================================================*/
+
+#define MAX_GPRARGS 5 /* Max. no. of GPR available */
+#define MAX_FPRARGS 2 /* Max. no. of FPR available */
+
+#define STR_GPR 1 /* Structure will fit in 1 or 2 GPR */
+#define STR_FPR 2 /* Structure will fit in a FPR */
+#define STR_STACK 3 /* Structure needs to go on stack */
+
+/*===================== End of Defines ===============================*/
+
+/*====================================================================*/
+/* Types */
+/* ----- */
+/*====================================================================*/
+
+typedef struct stackLayout
+{
+ int *backChain;
+ int *endOfStack;
+ int glue[2];
+ int scratch[2];
+ int gprArgs[MAX_GPRARGS];
+ int notUsed;
+ union
+ {
+ float f;
+ double d;
+ } fprArgs[MAX_FPRARGS];
+ int unUsed[8];
+ int outArgs[100];
+} stackLayout;
+
+/*======================== End of Types ==============================*/
+
+/*====================================================================*/
+/* Prototypes */
+/* ---------- */
+/*====================================================================*/
+
+void ffi_prep_args(stackLayout *, extended_cif *);
+static int ffi_check_struct(ffi_type *, unsigned int *);
+static void ffi_insert_int(int, stackLayout *, int *, int *);
+static void ffi_insert_int64(long long, stackLayout *, int *, int *);
+static void ffi_insert_double(double, stackLayout *, int *, int *);
+
+/*====================== End of Prototypes ===========================*/
+
+/*====================================================================*/
+/* Externals */
+/* --------- */
+/*====================================================================*/
+
+extern void ffi_call_SYSV(void (*)(stackLayout *, extended_cif *),
+ extended_cif *,
+ unsigned, unsigned,
+ unsigned *,
+ void (*fn)());
+
+/*====================== End of Externals ============================*/
+
+/*====================================================================*/
+/* */
+/* Name - ffi_check_struct. */
+/* */
+/* Function - Determine if a structure can be passed within a */
+/* general or floating point register. */
+/* */
+/*====================================================================*/
+
+int
+ffi_check_struct(ffi_type *arg, unsigned int *strFlags)
+{
+ ffi_type *element;
+ int i_Element;
+
+ for (i_Element = 0; arg->elements[i_Element]; i_Element++) {
+ element = arg->elements[i_Element];
+ switch (element->type) {
+ case FFI_TYPE_DOUBLE :
+ *strFlags |= STR_FPR;
+ break;
+
+ case FFI_TYPE_STRUCT :
+ *strFlags |= ffi_check_struct(element, strFlags);
+ break;
+
+ default :
+ *strFlags |= STR_GPR;
+ }
+ }
+ return (*strFlags);
+}
+
+/*======================== End of Routine ============================*/
+
+/*====================================================================*/
+/* */
+/* Name - ffi_insert_int. */
+/* */
+/* Function - Insert an integer parameter in a register if there are */
+/* spares else on the stack. */
+/* */
+/*====================================================================*/
+
+void
+ffi_insert_int(int gprValue, stackLayout *stack,
+ int *intArgC, int *outArgC)
+{
+ if (*intArgC < MAX_GPRARGS) {
+ stack->gprArgs[*intArgC] = gprValue;
+ *intArgC += 1;
+ }
+ else {
+ stack->outArgs[*outArgC++] = gprValue;
+ *outArgC += 1;
+ }
+}
+
+/*======================== End of Routine ============================*/
+
+/*====================================================================*/
+/* */
+/* Name - ffi_insert_int64. */
+/* */
+/* Function - Insert a long long parameter in registers if there are */
+/* spares else on the stack. */
+/* */
+/*====================================================================*/
+
+void
+ffi_insert_int64(long long llngValue, stackLayout *stack,
+ int *intArgC, int *outArgC)
+{
+
+ if (*intArgC < (MAX_GPRARGS-1)) {
+ memcpy(&stack->gprArgs[*intArgC],
+ &llngValue, sizeof(long long));
+ *intArgC += 2;
+ }
+ else {
+ memcpy(&stack->outArgs[*outArgC],
+ &llngValue, sizeof(long long));
+ *outArgC += 2;
+ }
+
+}
+
+/*======================== End of Routine ============================*/
+
+/*====================================================================*/
+/* */
+/* Name - ffi_insert_double. */
+/* */
+/* Function - Insert a double parameter in a FP register if there is */
+/* a spare else on the stack. */
+/* */
+/*====================================================================*/
+
+void
+ffi_insert_double(double dblValue, stackLayout *stack,
+ int *fprArgC, int *outArgC)
+{
+
+ if (*fprArgC < MAX_FPRARGS) {
+ stack->fprArgs[*fprArgC].d = dblValue;
+ *fprArgC += 1;
+ }
+ else {
+ memcpy(&stack->outArgs[*outArgC],
+ &dblValue,sizeof(double));
+ *outArgC += 2;
+ }
+
+}
+
+/*======================== End of Routine ============================*/
+
+/*====================================================================*/
+/* */
+/* Name - ffi_prep_args. */
+/* */
+/* Function - Prepare parameters for call to function. */
+/* */
+/* ffi_prep_args is called by the assembly routine once stack space */
+/* has been allocated for the function's arguments. */
+/* */
+/* The stack layout we want looks like this: */
+/* *------------------------------------------------------------* */
+/* | 0 | Back chain (a 0 here signifies end of back chain) | */
+/* +--------+---------------------------------------------------+ */
+/* | 4 | EOS (end of stack, not used on Linux for S390) | */
+/* +--------+---------------------------------------------------+ */
+/* | 8 | Glue used in other linkage formats | */
+/* +--------+---------------------------------------------------+ */
+/* | 12 | Glue used in other linkage formats | */
+/* +--------+---------------------------------------------------+ */
+/* | 16 | Scratch area | */
+/* +--------+---------------------------------------------------+ */
+/* | 20 | Scratch area | */
+/* +--------+---------------------------------------------------+ */
+/* | 24 | GPR parameter register 1 | */
+/* +--------+---------------------------------------------------+ */
+/* | 28 | GPR parameter register 2 | */
+/* +--------+---------------------------------------------------+ */
+/* | 32 | GPR parameter register 3 | */
+/* +--------+---------------------------------------------------+ */
+/* | 36 | GPR parameter register 4 | */
+/* +--------+---------------------------------------------------+ */
+/* | 40 | GPR parameter register 5 | */
+/* +--------+---------------------------------------------------+ */
+/* | 44 | Unused | */
+/* +--------+---------------------------------------------------+ */
+/* | 48 | FPR parameter register 1 | */
+/* +--------+---------------------------------------------------+ */
+/* | 56 | FPR parameter register 2 | */
+/* +--------+---------------------------------------------------+ */
+/* | 64 | Unused | */
+/* +--------+---------------------------------------------------+ */
+/* | 96 | Outgoing args (length x) | */
+/* +--------+---------------------------------------------------+ */
+/* | 96+x | Copy area for structures (length y) | */
+/* +--------+---------------------------------------------------+ */
+/* | 96+x+y | Possible stack alignment | */
+/* *------------------------------------------------------------* */
+/* */
+/*====================================================================*/
+
+void
+ffi_prep_args(stackLayout *stack, extended_cif *ecif)
+{
+ const unsigned bytes = ecif->cif->bytes;
+ const unsigned flags = ecif->cif->flags;
+
+ /*----------------------------------------------------------*/
+ /* Pointer to the copy area on stack for structures */
+ /*----------------------------------------------------------*/
+ char *copySpace = (char *) stack + bytes + sizeof(stackLayout);
+
+ /*----------------------------------------------------------*/
+ /* Count of general and floating point register usage */
+ /*----------------------------------------------------------*/
+ int intArgC = 0,
+ fprArgC = 0,
+ outArgC = 0;
+
+ int i;
+ ffi_type **ptr;
+ void **p_argv;
+ size_t structCopySize;
+ unsigned gprValue, strFlags = 0;
+ unsigned long long llngValue;
+ double dblValue;
+
+ /* Now for the arguments. */
+ p_argv = ecif->avalue;
+
+ /*----------------------------------------------------------------------*/
+ /* If we returning a structure then we set the first parameter register */
+ /* to the address of where we are returning this structure */
+ /*----------------------------------------------------------------------*/
+ if (flags == FFI_TYPE_STRUCT)
+ stack->gprArgs[intArgC++] = (int) ecif->rvalue;
+
+ for (ptr = ecif->cif->arg_types, i = ecif->cif->nargs;
+ i > 0;
+ i--, ptr++, p_argv++)
+ {
+ switch ((*ptr)->type) {
+
+ case FFI_TYPE_FLOAT:
+ if (fprArgC < MAX_FPRARGS)
+ stack->fprArgs[fprArgC++].f = *(float *) *p_argv;
+ else
+ stack->outArgs[outArgC++] = *(int *) *p_argv;
+ break;
+
+ case FFI_TYPE_DOUBLE:
+ dblValue = *(double *) *p_argv;
+ ffi_insert_double(dblValue, stack, &fprArgC, &outArgC);
+ break;
+
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_SINT64:
+ llngValue = *(unsigned long long *) *p_argv;
+ ffi_insert_int64(llngValue, stack, &intArgC, &outArgC);
+ break;
+
+ case FFI_TYPE_UINT8:
+ gprValue = *(unsigned char *)*p_argv;
+ ffi_insert_int(gprValue, stack, &intArgC, &outArgC);
+ break;
+
+ case FFI_TYPE_SINT8:
+ gprValue = *(signed char *)*p_argv;
+ ffi_insert_int(gprValue, stack, &intArgC, &outArgC);
+ break;
+
+ case FFI_TYPE_UINT16:
+ gprValue = *(unsigned short *)*p_argv;
+ ffi_insert_int(gprValue, stack, &intArgC, &outArgC);
+ break;
+
+ case FFI_TYPE_SINT16:
+ gprValue = *(signed short *)*p_argv;
+ ffi_insert_int(gprValue, stack, &intArgC, &outArgC);
+ break;
+
+ case FFI_TYPE_STRUCT:
+ /*--------------------------------------------------*/
+ /* If structure > 8 bytes then it goes on the stack */
+ /*--------------------------------------------------*/
+ if (((*ptr)->size > 8) ||
+ ((*ptr)->size > 4 &&
+ (*ptr)->size < 8))
+ strFlags = STR_STACK;
+ else
+ strFlags = ffi_check_struct((ffi_type *) *ptr, &strFlags);
+
+ switch (strFlags) {
+ /*-------------------------------------------*/
+ /* Structure that will fit in one or two GPR */
+ /*-------------------------------------------*/
+ case STR_GPR :
+ if ((*ptr)->size <= 4) {
+ gprValue = *(unsigned int *) *p_argv;
+ gprValue = gprValue >> ((4 - (*ptr)->size) * 8);
+ ffi_insert_int(gprValue, stack, &intArgC, &outArgC);
+ }
+ else {
+ llngValue = *(unsigned long long *) *p_argv;
+ ffi_insert_int64(llngValue, stack, &intArgC, &outArgC);
+ }
+ break;
+
+ /*-------------------------------------------*/
+ /* Structure that will fit in one FPR */
+ /*-------------------------------------------*/
+ case STR_FPR :
+ dblValue = *(double *) *p_argv;
+ ffi_insert_double(dblValue, stack, &fprArgC, &outArgC);
+ break;
+
+ /*-------------------------------------------*/
+ /* Structure that must be copied to stack */
+ /*-------------------------------------------*/
+ default :
+ structCopySize = (((*ptr)->size + 15) & ~0xF);
+ copySpace -= structCopySize;
+ memcpy(copySpace, (char *)*p_argv, (*ptr)->size);
+ gprValue = (unsigned) copySpace;
+ if (intArgC < MAX_GPRARGS)
+ stack->gprArgs[intArgC++] = gprValue;
+ else
+ stack->outArgs[outArgC++] = gprValue;
+ }
+ break;
+
+#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
+ case FFI_TYPE_LONGDOUBLE:
+ structCopySize = (((*ptr)->size + 15) & ~0xF);
+ copySpace -= structCopySize;
+ memcpy(copySpace, (char *)*p_argv, (*ptr)->size);
+ gprValue = (unsigned) copySpace;
+ if (intArgC < MAX_GPRARGS)
+ stack->gprArgs[intArgC++] = gprValue;
+ else
+ stack->outArgs[outArgC++] = gprValue;
+ break;
+#endif
+
+ case FFI_TYPE_INT:
+ case FFI_TYPE_UINT32:
+ case FFI_TYPE_SINT32:
+ case FFI_TYPE_POINTER:
+ gprValue = *(unsigned *)*p_argv;
+ if (intArgC < MAX_GPRARGS)
+ stack->gprArgs[intArgC++] = gprValue;
+ else
+ stack->outArgs[outArgC++] = gprValue;
+ break;
+
+ }
+ }
+}
+
+/*======================== End of Routine ============================*/
+
+/*====================================================================*/
+/* */
+/* Name - ffi_prep_cif_machdep. */
+/* */
+/* Function - Perform machine dependent CIF processing. */
+/* */
+/*====================================================================*/
+
+ffi_status
+ffi_prep_cif_machdep(ffi_cif *cif)
+{
+ int i;
+ ffi_type **ptr;
+ unsigned bytes;
+ int fpArgC = 0,
+ intArgC = 0;
+ unsigned flags = 0;
+ unsigned structCopySize = 0;
+
+ /*-----------------------------------------------------------------*/
+ /* Extra space required in stack for overflow parameters. */
+ /*-----------------------------------------------------------------*/
+ bytes = 0;
+
+ /*--------------------------------------------------------*/
+ /* Return value handling. The rules are as follows: */
+ /* - 32-bit (or less) integer values are returned in gpr2 */
+ /* - Structures are returned as pointers in gpr2 */
+ /* - 64-bit integer values are returned in gpr2 and 3 */
+ /* - Single/double FP values are returned in fpr0 */
+ /*--------------------------------------------------------*/
+ flags = cif->rtype->type;
+
+ /*------------------------------------------------------------------------*/
+ /* The first MAX_GPRARGS words of integer arguments, and the */
+ /* first MAX_FPRARGS floating point arguments, go in registers; the rest */
+ /* goes on the stack. Structures and long doubles (if not equivalent */
+ /* to double) are passed as a pointer to a copy of the structure. */
+ /* Stuff on the stack needs to keep proper alignment. */
+ /*------------------------------------------------------------------------*/
+ for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++)
+ {
+ switch ((*ptr)->type)
+ {
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ fpArgC++;
+ if (fpArgC > MAX_FPRARGS && intArgC%2 != 0)
+ intArgC++;
+ break;
+
+ case FFI_TYPE_UINT64:
+ case FFI_TYPE_SINT64:
+ /*----------------------------------------------------*/
+ /* 'long long' arguments are passed as two words, but */
+ /* either both words must fit in registers or both go */
+ /* on the stack. If they go on the stack, they must */
+ /* be 8-byte-aligned. */
+ /*----------------------------------------------------*/
+ if ((intArgC == MAX_GPRARGS-1) ||
+ (intArgC >= MAX_GPRARGS) &&
+ (intArgC%2 != 0))
+ intArgC++;
+ intArgC += 2;
+ break;
+
+ case FFI_TYPE_STRUCT:
+#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
+ case FFI_TYPE_LONGDOUBLE:
+#endif
+ /*----------------------------------------------------*/
+ /* We must allocate space for a copy of these to */
+ /* enforce pass-by-value. Pad the space up to a */
+ /* multiple of 16 bytes (the maximum alignment */
+ /* required for anything under the SYSV ABI). */
+ /*----------------------------------------------------*/
+ structCopySize += ((*ptr)->size + 15) & ~0xF;
+ /*----------------------------------------------------*/
+ /* Fall through (allocate space for the pointer). */
+ /*----------------------------------------------------*/
+
+ default:
+ /*----------------------------------------------------*/
+ /* Everything else is passed as a 4-byte word in a */
+ /* GPR either the object itself or a pointer to it. */
+ /*----------------------------------------------------*/
+ intArgC++;
+ break;
+ }
+ }
+
+ /*-----------------------------------------------------------------*/
+ /* Stack space. */
+ /*-----------------------------------------------------------------*/
+ if (intArgC > MAX_GPRARGS)
+ bytes += (intArgC - MAX_GPRARGS) * sizeof(int);
+ if (fpArgC > MAX_FPRARGS)
+ bytes += (fpArgC - MAX_FPRARGS) * sizeof(double);
+
+ /*-----------------------------------------------------------------*/
+ /* The stack space allocated needs to be a multiple of 16 bytes. */
+ /*-----------------------------------------------------------------*/
+ bytes = (bytes + 15) & ~0xF;
+
+ /*-----------------------------------------------------------------*/
+ /* Add in the space for the copied structures. */
+ /*-----------------------------------------------------------------*/
+ bytes += structCopySize;
+
+ cif->flags = flags;
+ cif->bytes = bytes;
+
+ return FFI_OK;
+}
+
+/*======================== End of Routine ============================*/
+
+/*====================================================================*/
+/* */
+/* Name - ffi_call. */
+/* */
+/* Function - Call the FFI routine. */
+/* */
+/*====================================================================*/
+
+void
+ffi_call(ffi_cif *cif,
+ void (*fn)(),
+ void *rvalue,
+ void **avalue)
+{
+ 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 */
+ /*-----------------------------------------------------------------*/
+ if ((rvalue == NULL) &&
+ (cif->rtype->type == FFI_TYPE_STRUCT))
+ ecif.rvalue = alloca(cif->rtype->size);
+ else
+ ecif.rvalue = rvalue;
+
+ switch (cif->abi)
+ {
+ case FFI_SYSV:
+ ffi_call_SYSV(ffi_prep_args,
+ &ecif, cif->bytes,
+ cif->flags, ecif.rvalue, fn);
+ break;
+
+ default:
+ FFI_ASSERT(0);
+ break;
+ }
+}
+
+/*======================== End of Routine ============================*/
diff --git a/libffi/s390/sysv.S b/libffi/s390/sysv.S
new file mode 100644
index 0000000..afaf1ea
--- /dev/null
+++ b/libffi/s390/sysv.S
@@ -0,0 +1,161 @@
+/* -----------------------------------------------------------------------
+ sysv.S - Copyright (c) 2000 Software AG
+
+ S390 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 CYGNUS SOLUTIONS 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 <ffi.h>
+#ifdef HAVE_MACHINE_ASM_H
+#include <machine/asm.h>
+#endif
+
+.text
+
+ # r2: ffi_prep_args
+ # r3: &ecif
+ # r4: cif->bytes
+ # r5: fig->flags
+ # r6: ecif.rvalue
+ # sp+0: fn
+
+ # This assumes we are using gas.
+ .globl ffi_call_SYSV
+ .type ffi_call_SYSV,%function
+ffi_call_SYSV:
+ # Save registers
+ stm %r7,%r15,28(%r15)
+ l %r7,96(%r15) # Get A(fn)
+ lr %r0,%r15
+ ahi %r15,-128 # Make room for my args
+ st %r0,0(%r15) # Set backchain
+ lr %r11,%r15 # Establish my stack register
+ sr %r15,%r4 # Make room for fn args
+ ahi %r15,-96 # Make room for new frame
+ lr %r10,%r15 # Establish stack build area
+ ahi %r15,-96 # Stack for next call
+ lr %r1,%r7
+ stm %r2,%r7,96(%r11) # Save args on my stack
+
+#------------------------------------------------------------------
+# move first 3 parameters in registers
+#------------------------------------------------------------------
+ lr %r9,%r2 # r9: &ffi_prep_args
+ lr %r2,%r10 # Parm 1: &stack Parm 2: &ecif
+ basr %r14,%r9 # call ffi_prep_args
+
+#------------------------------------------------------------------
+# load first 5 parameter registers
+#------------------------------------------------------------------
+ lm %r2,%r6,24(%r10)
+
+#------------------------------------------------------------------
+# load fp parameter registers
+#------------------------------------------------------------------
+ ld %f0,48(%r10)
+ ld %f2,56(%r10)
+
+#------------------------------------------------------------------
+# call function
+#------------------------------------------------------------------
+ lr %r15,%r10 # Set new stack
+ l %r9,116(%r11) # Get &fn
+ basr %r14,%r9 # Call function
+
+#------------------------------------------------------------------
+# On return:
+# r2: Return value (r3: Return value + 4 for long long)
+#------------------------------------------------------------------
+
+#------------------------------------------------------------------
+# If the return value pointer is NULL, assume no return value.
+#------------------------------------------------------------------
+ icm %r6,15,112(%r11)
+ jz .Lepilogue
+
+ l %r5,108(%r11) # Get return type
+#------------------------------------------------------------------
+# return INT
+#------------------------------------------------------------------
+ chi %r5,FFI_TYPE_INT
+ jne .Lchk64
+
+ st %r2,0(%r6)
+ j .Lepilogue
+
+.Lchk64:
+#------------------------------------------------------------------
+# return LONG LONG (signed/unsigned)
+#------------------------------------------------------------------
+ chi %r5,FFI_TYPE_UINT64
+ je .LdoLongLong
+
+ chi %r5,FFI_TYPE_SINT64
+ jne .LchkFloat
+
+.LdoLongLong:
+ stm %r2,%r3,0(%r6)
+ j .Lepilogue
+
+.LchkFloat:
+#------------------------------------------------------------------
+# return FLOAT
+#------------------------------------------------------------------
+ chi %r5,FFI_TYPE_FLOAT
+ jne .LchkDouble
+
+ std %f0,0(%r6)
+ j .Lepilogue
+
+.LchkDouble:
+#------------------------------------------------------------------
+# return DOUBLE or LONGDOUBLE
+#------------------------------------------------------------------
+ chi %r5,FFI_TYPE_DOUBLE
+ jne .LchkStruct
+
+ std %f0,0(%r6)
+ std %f2,8(%r6)
+ j .Lepilogue
+
+.LchkStruct:
+#------------------------------------------------------------------
+# Structure - rvalue already set as sent as 1st parm to routine
+#------------------------------------------------------------------
+ chi %r5,FFI_TYPE_STRUCT
+ je .Lepilogue
+
+.Ldefault:
+#------------------------------------------------------------------
+# return a pointer
+#------------------------------------------------------------------
+ st %r2,0(%r6)
+ j .Lepilogue
+
+.Lepilogue:
+ l %r15,0(%r11)
+ l %r4,56(%r15)
+ lm %r7,%r15,28(%r15)
+ br %r4
+
+.ffi_call_SYSV_end:
+ .size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV
diff --git a/libffi/sparc/ffi.c b/libffi/sparc/ffi.c
new file mode 100644
index 0000000..f557013
--- /dev/null
+++ b/libffi/sparc/ffi.c
@@ -0,0 +1,422 @@
+/* -----------------------------------------------------------------------
+ ffi.c - Copyright (c) 1996 Cygnus Solutions
+
+ 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 CYGNUS SOLUTIONS 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>
+
+/* 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;
+ int tmp;
+ int avn;
+ void **p_argv;
+ char *argp;
+ ffi_type **p_arg;
+
+ tmp = 0;
+
+ /* 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
+
+ avn = ecif->cif->nargs;
+ p_argv = ecif->avalue;
+
+ for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types;
+ i && avn;
+ i--, p_arg++)
+ {
+ size_t z;
+
+ if (avn)
+ {
+ avn--;
+ 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;
+ 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:
+#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
+ case FFI_TYPE_LONGDOUBLE:
+#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)
+{
+ 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);
+
+ /* Set the return type flag */
+ switch (cif->rtype->type)
+ {
+ case FFI_TYPE_VOID:
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
+ case FFI_TYPE_LONGDOUBLE:
+#endif
+ cif->flags = cif->rtype->type;
+ break;
+
+ case FFI_TYPE_STRUCT:
+ if (cif->abi == FFI_V9 && cif->rtype->size > 32)
+ cif->flags = FFI_TYPE_VOID;
+ else
+ cif->flags = FFI_TYPE_STRUCT;
+ break;
+
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_UINT64:
+ if (cif->abi != FFI_V9)
+ {
+ cif->flags = FFI_TYPE_SINT64;
+ break;
+ }
+ /* FALLTHROUGH */
+ default:
+ cif->flags = FFI_TYPE_INT;
+ break;
+ }
+ return FFI_OK;
+}
+
+int ffi_V9_return_struct(ffi_type *arg, int off, char *ret, char *intg, char *flt)
+{
+ ffi_type **ptr = &arg->elements[0];
+
+ while (*ptr != NULL)
+ {
+ if (off & ((*ptr)->alignment - 1))
+ off = ALIGN(off, (*ptr)->alignment);
+
+ switch ((*ptr)->type)
+ {
+ case FFI_TYPE_STRUCT:
+ off = ffi_V9_return_struct(*ptr, off, ret, intg, flt);
+ break;
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
+ case FFI_TYPE_LONGDOUBLE:
+#endif
+ memcpy(ret + off, flt + off, (*ptr)->size);
+ off += (*ptr)->size;
+ break;
+ default:
+ memcpy(ret + off, intg + off, (*ptr)->size);
+ off += (*ptr)->size;
+ break;
+ }
+ ptr++;
+ }
+ return off;
+}
+
+extern int ffi_call_V8(void *, extended_cif *, unsigned,
+ unsigned, unsigned *, void (*fn)());
+extern int ffi_call_V9(void *, extended_cif *, unsigned,
+ unsigned, unsigned *, void (*fn)());
+
+void ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue)
+{
+ extended_cif ecif;
+ void *rval = rvalue;
+
+ 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 */
+
+ ecif.rvalue = rvalue;
+ if (cif->rtype->type == FFI_TYPE_STRUCT)
+ {
+ if (cif->rtype->size <= 32)
+ rval = alloca(64);
+ else
+ {
+ rval = NULL;
+ if (rvalue == NULL)
+ ecif.rvalue = alloca(cif->rtype->size);
+ }
+ }
+
+ switch (cif->abi)
+ {
+ case FFI_V8:
+#ifdef SPARC64
+ /* We don't yet support calling 32bit code from 64bit */
+ FFI_ASSERT(0);
+#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_return_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;
+ }
+
+}
diff --git a/libffi/sparc/v8.S b/libffi/sparc/v8.S
new file mode 100644
index 0000000..0357f4d
--- /dev/null
+++ b/libffi/sparc/v8.S
@@ -0,0 +1,93 @@
+/* -----------------------------------------------------------------------
+ v8.S - Copyright (c) 1996, 1997 Cygnus Solutions
+
+ 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 CYGNUS SOLUTIONS 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 <ffi.h>
+
+#define STACKFRAME 96 /* Minimum stack framesize for SPARC */
+#define ARGS (64+4) /* Offset of register area in frame */
+
+.text
+ .align 8
+.globl ffi_call_V8
+.globl _ffi_call_V8
+
+ffi_call_V8:
+_ffi_call_V8:
+ save %sp, -STACKFRAME, %sp
+
+ 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)
+
+ cmp %i3, FFI_TYPE_FLOAT
+ be,a done
+ st %f0, [%i4+0] ! (delay)
+
+ cmp %i3, FFI_TYPE_SINT64
+ be longlong
+
+ cmp %i3, FFI_TYPE_DOUBLE
+ bne done
+ nop
+ st %f0, [%i4+0]
+ st %f1, [%i4+4]
+
+done:
+ ret
+ restore
+
+longlong:
+ st %o0, [%i4+0]
+ st %o1, [%i4+4]
+ ret
+ restore
+
+.ffi_call_V8_end:
+ .size ffi_call_V8,.ffi_call_V8_end-ffi_call_V8
+
diff --git a/libffi/sparc/v9.S b/libffi/sparc/v9.S
new file mode 100644
index 0000000..c937f43
--- /dev/null
+++ b/libffi/sparc/v9.S
@@ -0,0 +1,125 @@
+/* -----------------------------------------------------------------------
+ v9.S - Copyright (c) 2000 Cygnus Solutions
+
+ Sparc 64bit 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 CYGNUS SOLUTIONS 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 <ffi.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 128 /* Minimum stack framesize for SPARC */
+#define STACK_BIAS 2047
+#define ARGS (128) /* Offset of register area in frame */
+
+.text
+ .align 8
+.globl ffi_call_V9
+.globl _ffi_call_V9
+
+ffi_call_V9:
+_ffi_call_V9:
+ save %sp, -STACKFRAME, %sp
+
+ 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
+ nop
+
+ cmp %i3, FFI_TYPE_INT
+ be,a,pt %icc, done
+ stx %o0, [%i4] ! (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
+ 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
+
+.ffi_call_V9_end:
+ .size ffi_call_V9,.ffi_call_V9_end-ffi_call_V9
+
+#endif
diff --git a/libffi/testsuite/Makefile.am b/libffi/testsuite/Makefile.am
new file mode 100644
index 0000000..67bce5c
--- /dev/null
+++ b/libffi/testsuite/Makefile.am
@@ -0,0 +1,15 @@
+## Process this file with automake to produce Makefile.in.
+
+AUTOMAKE_OPTIONS = foreign dejagnu
+
+# Setup the testing framework, if you have one
+EXPECT = `if [ -f $(top_builddir)/../expect/expect ] ; then \
+ echo $(top_builddir)/../expect/expect ; \
+ else echo expect ; fi`
+
+RUNTEST = `if [ -f $(top_srcdir)/../dejagnu/runtest ] ; then \
+ echo $(top_srcdir)/../dejagnu/runtest ; \
+ else echo runtest; fi`
+
+RUNTESTFLAGS = @AM_RUNTESTFLAGS@
+
diff --git a/libffi/testsuite/Makefile.in b/libffi/testsuite/Makefile.in
new file mode 100644
index 0000000..4d3bdbc
--- /dev/null
+++ b/libffi/testsuite/Makefile.in
@@ -0,0 +1,228 @@
+# Makefile.in generated automatically by automake 1.4 from Makefile.am
+
+# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+
+SHELL = @SHELL@
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+
+bindir = @bindir@
+sbindir = @sbindir@
+libexecdir = @libexecdir@
+datadir = @datadir@
+sysconfdir = @sysconfdir@
+sharedstatedir = @sharedstatedir@
+localstatedir = @localstatedir@
+libdir = @libdir@
+infodir = @infodir@
+mandir = @mandir@
+includedir = @includedir@
+oldincludedir = /usr/include
+
+DESTDIR =
+
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+
+top_builddir = ..
+
+ACLOCAL = @ACLOCAL@
+AUTOCONF = @AUTOCONF@
+AUTOMAKE = @AUTOMAKE@
+AUTOHEADER = @AUTOHEADER@
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS)
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+transform = @program_transform_name@
+
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+host_alias = @host_alias@
+host_triplet = @host@
+AM_RUNTESTFLAGS = @AM_RUNTESTFLAGS@
+AS = @AS@
+CC = @CC@
+DLLTOOL = @DLLTOOL@
+EXEEXT = @EXEEXT@
+LD = @LD@
+LIBTOOL = @LIBTOOL@
+LN_S = @LN_S@
+MAINT = @MAINT@
+MAKEINFO = @MAKEINFO@
+NM = @NM@
+OBJDUMP = @OBJDUMP@
+PACKAGE = @PACKAGE@
+RANLIB = @RANLIB@
+SHELL = @SHELL@
+TARGET = @TARGET@
+TARGETDIR = @TARGETDIR@
+VERSION = @VERSION@
+libffi_basedir = @libffi_basedir@
+
+AUTOMAKE_OPTIONS = foreign dejagnu
+
+# Setup the testing framework, if you have one
+EXPECT = `if [ -f $(top_builddir)/../expect/expect ] ; then echo $(top_builddir)/../expect/expect ; else echo expect ; fi`
+
+
+RUNTEST = `if [ -f $(top_srcdir)/../dejagnu/runtest ] ; then echo $(top_srcdir)/../dejagnu/runtest ; else echo runtest; fi`
+
+
+RUNTESTFLAGS = @AM_RUNTESTFLAGS@
+mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
+CONFIG_HEADER = ../fficonfig.h
+CONFIG_CLEAN_FILES =
+DIST_COMMON = Makefile.am Makefile.in
+
+
+DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
+
+TAR = gtar
+GZIP_ENV = --best
+all: all-redirect
+.SUFFIXES:
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4)
+ cd $(top_srcdir) && $(AUTOMAKE) --foreign testsuite/Makefile
+
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status $(BUILT_SOURCES)
+ cd $(top_builddir) \
+ && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
+
+tags: TAGS
+TAGS:
+
+
+distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
+
+subdir = testsuite
+
+distdir: $(DISTFILES)
+ here=`cd $(top_builddir) && pwd`; \
+ top_distdir=`cd $(top_distdir) && pwd`; \
+ distdir=`cd $(distdir) && pwd`; \
+ cd $(top_srcdir) \
+ && $(AUTOMAKE) --include-deps --build-dir=$$here --srcdir-name=$(top_srcdir) --output-dir=$$top_distdir --foreign testsuite/Makefile
+ @for file in $(DISTFILES); do \
+ d=$(srcdir); \
+ if test -d $$d/$$file; then \
+ cp -pr $$/$$file $(distdir)/$$file; \
+ else \
+ test -f $(distdir)/$$file \
+ || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
+ || cp -p $$d/$$file $(distdir)/$$file || :; \
+ fi; \
+ done
+
+DEJATOOL = $(PACKAGE)
+
+RUNTESTDEFAULTFLAGS = --tool $(DEJATOOL) --srcdir $$srcdir
+
+check-DEJAGNU: site.exp
+ srcdir=`cd $(srcdir) && pwd`; export srcdir; \
+ EXPECT=$(EXPECT); export EXPECT; \
+ runtest=$(RUNTEST); \
+ if $(SHELL) -c "$$runtest --version" > /dev/null 2>&1; then \
+ $$runtest $(RUNTESTDEFAULTFLAGS) $(RUNTESTFLAGS); \
+ else echo "WARNING: could not find \`runtest'" 1>&2; :;\
+ fi
+site.exp: Makefile
+ @echo 'Making a new site.exp file...'
+ @test ! -f site.bak || rm -f site.bak
+ @echo '## these variables are automatically generated by make ##' > $@-t
+ @echo '# Do not edit here. If you wish to override these values' >> $@-t
+ @echo '# edit the last section' >> $@-t
+ @echo 'set tool $(DEJATOOL)' >> $@-t
+ @echo 'set srcdir $(srcdir)' >> $@-t
+ @echo 'set objdir' `pwd` >> $@-t
+ @echo 'set host_alias $(host_alias)' >> $@-t
+ @echo 'set host_triplet $(host_triplet)' >> $@-t
+ @echo '## All variables above are generated by configure. Do Not Edit ##' >> $@-t
+ @test ! -f site.exp || sed '1,/^## All variables above are.*##/ d' site.exp >> $@-t
+ @test ! -f site.exp || mv site.exp site.bak
+ @mv $@-t site.exp
+info-am:
+info: info-am
+dvi-am:
+dvi: dvi-am
+check-am: all-am
+ $(MAKE) $(AM_MAKEFLAGS) check-DEJAGNU
+check: check-am
+installcheck-am:
+installcheck: installcheck-am
+install-exec-am:
+install-exec: install-exec-am
+
+install-data-am:
+install-data: install-data-am
+
+install-am: all-am
+ @$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+install: install-am
+uninstall-am:
+uninstall: uninstall-am
+all-am: Makefile
+all-redirect: all-am
+install-strip:
+ $(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
+installdirs:
+
+
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+ -rm -f Makefile $(CONFIG_CLEAN_FILES)
+ -rm -f config.cache config.log stamp-h stamp-h[0-9]*
+
+maintainer-clean-generic:
+mostlyclean-am: mostlyclean-generic
+
+mostlyclean: mostlyclean-am
+
+clean-am: clean-generic mostlyclean-am
+
+clean: clean-am
+
+distclean-am: distclean-generic clean-am
+ -rm -f libtool
+
+distclean: distclean-am
+
+maintainer-clean-am: maintainer-clean-generic distclean-am
+ @echo "This command is intended for maintainers to use;"
+ @echo "it deletes files that may require special tools to rebuild."
+
+maintainer-clean: maintainer-clean-am
+
+.PHONY: tags distdir check-DEJAGNU info-am info dvi-am dvi check \
+check-am installcheck-am installcheck install-exec-am install-exec \
+install-data-am install-data install-am install uninstall-am uninstall \
+all-redirect all-am all installdirs mostlyclean-generic \
+distclean-generic clean-generic maintainer-clean-generic clean \
+mostlyclean distclean maintainer-clean
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/libffi/testsuite/config/default.exp b/libffi/testsuite/config/default.exp
new file mode 100644
index 0000000..90967cc
--- /dev/null
+++ b/libffi/testsuite/config/default.exp
@@ -0,0 +1 @@
+load_lib "standard.exp"
diff --git a/libffi/testsuite/lib/libffi.exp b/libffi/testsuite/lib/libffi.exp
new file mode 100644
index 0000000..58c5408
--- /dev/null
+++ b/libffi/testsuite/lib/libffi.exp
@@ -0,0 +1,44 @@
+# Copyright (C) 2001 Red Hat, Inc.
+
+load_lib "libgloss.exp"
+
+global tmpdir
+
+if ![info exists tmpdir] {
+ set tmpdir "/tmp"
+}
+
+proc test_libffi {src} {
+
+ global tmpdir srcdir
+
+ set executable $tmpdir/[file tail [file rootname $src].x]
+
+ regsub "^$srcdir/?" $src "" testcase
+ # If we couldn't rip $srcdir out of `src' then just do the best we can.
+ # The point is to reduce the unnecessary noise in the logs. Don't strip
+ # out too much because different testcases with the same name can confuse
+ # `test-tool'.
+ if [string match "/*" $testcase] {
+ set testcase "[file tail [file dirname $src]]/[file tail $src]"
+ }
+
+ remote_file build delete $executable;
+ verbose "Testing $testcase" 1
+
+ set comp_output [target_compile $src $executable executable "additional_flags=-g additional_flags=-I$srcdir/../include libs=../.libs/libffi.a"]
+
+ set result [libffi_load "$executable" "" ""]
+ set status [lindex $result 0];
+ set output [lindex $result 1];
+
+ $status "$testcase"
+
+ if { $status == "pass" } {
+ remote_file build delete $executable;
+ }
+}
+
+# Local Variables:
+# tcl-indent-level:4
+# End:
diff --git a/libffi/testsuite/libffi.call/call.exp b/libffi/testsuite/libffi.call/call.exp
new file mode 100644
index 0000000..58be0ad
--- /dev/null
+++ b/libffi/testsuite/libffi.call/call.exp
@@ -0,0 +1,13 @@
+global srcdir subdir
+
+catch "glob -nocomplain ${srcdir}/${subdir}/*.c" srcfiles
+verbose "srcfiles are $srcfiles"
+
+set prefix ""
+foreach x $srcfiles {
+ test_libffi $x
+}
+
+# Local Variables:
+# tcl-indent-level:4
+# End:
diff --git a/libffi/testsuite/libffi.call/ffitest.h b/libffi/testsuite/libffi.call/ffitest.h
new file mode 100644
index 0000000..42cb46f
--- /dev/null
+++ b/libffi/testsuite/libffi.call/ffitest.h
@@ -0,0 +1,4 @@
+#include <ffi.h>
+
+#define CHECK(x) !(x) ? abort() : 0
+
diff --git a/libffi/testsuite/libffi.call/float.c b/libffi/testsuite/libffi.call/float.c
new file mode 100644
index 0000000..95e7a31
--- /dev/null
+++ b/libffi/testsuite/libffi.call/float.c
@@ -0,0 +1,55 @@
+#include "ffitest.h"
+
+static int floating(int a, float b, double c, long double d, int e)
+{
+ int i;
+
+ i = (int) ((float)a/b + ((float)c/(float)d));
+
+ return i;
+}
+
+int
+main ()
+{
+ ffi_cif cif;
+ ffi_type *args[5];
+ void *values[5];
+ int si1, si2;
+ float f;
+ double d;
+ long double ld;
+ int rint __attribute__((aligned(8)));
+
+ args[0] = &ffi_type_sint;
+ values[0] = &si1;
+ args[1] = &ffi_type_float;
+ values[1] = &f;
+ args[2] = &ffi_type_double;
+ values[2] = &d;
+ args[3] = &ffi_type_longdouble;
+ values[3] = &ld;
+ args[4] = &ffi_type_sint;
+ values[4] = &si2;
+
+ /* Initialize the cif */
+ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 5,
+ &ffi_type_sint, args) == FFI_OK);
+
+ si1 = 6;
+ f = 3.14159;
+ d = (double)1.0/(double)3.0;
+ ld = 2.71828182846L;
+ si2 = 10;
+
+ floating (si1, f, d, ld, si2);
+
+ ffi_call(&cif, FFI_FN(floating), &rint, values);
+
+ printf ("%d vs %d\n", rint, floating (si1, f, d, ld, si2));
+
+ CHECK(rint == floating(si1, f, d, ld, si2));
+
+ exit (0);
+}
+
diff --git a/libffi/testsuite/libffi.call/many.c b/libffi/testsuite/libffi.call/many.c
new file mode 100644
index 0000000..01a2138
--- /dev/null
+++ b/libffi/testsuite/libffi.call/many.c
@@ -0,0 +1,63 @@
+#include "ffitest.h"
+
+#include <float.h>
+
+static float many(float f1,
+ float f2,
+ float f3,
+ float f4,
+ float f5,
+ float f6,
+ float f7,
+ float f8,
+ float f9,
+ float f10,
+ float f11,
+ float f12,
+ float f13)
+{
+#if 0
+ printf("%f %f %f %f %f %f %f %f %f %f %f %f %f\n",
+ (double) f1, (double) f2, (double) f3, (double) f4, (double) f5,
+ (double) f6, (double) f7, (double) f8, (double) f9, (double) f10,
+ (double) f11, (double) f12, (double) f13);
+#endif
+
+ return ((f1/f2+f3/f4+f5/f6+f7/f8+f9/f10+f11/f12) * f13);
+}
+
+int
+main ()
+{
+ ffi_cif cif;
+ ffi_type *args[13];
+ void *values[13];
+ float fa[13];
+ float f, ff;
+ int i;
+
+ for (i = 0; i < 13; i++)
+ {
+ args[i] = &ffi_type_float;
+ values[i] = &fa[i];
+ fa[i] = (float) i;
+ }
+
+ /* Initialize the cif */
+ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 13,
+ &ffi_type_float, args) == FFI_OK);
+
+ ffi_call(&cif, FFI_FN(many), &f, values);
+
+ ff = many(fa[0], fa[1],
+ fa[2], fa[3],
+ fa[4], fa[5],
+ fa[6], fa[7],
+ fa[8], fa[9],
+ fa[10],fa[11],fa[12]);
+
+ if (f - ff < FLT_EPSILON)
+ exit(0);
+ else
+ abort();
+ }
diff --git a/libffi/testsuite/libffi.call/strlen.c b/libffi/testsuite/libffi.call/strlen.c
new file mode 100644
index 0000000..3517278
--- /dev/null
+++ b/libffi/testsuite/libffi.call/strlen.c
@@ -0,0 +1,38 @@
+#include "ffitest.h"
+
+static size_t my_strlen(char *s)
+{
+ return (strlen(s));
+}
+
+int
+main ()
+{
+ ffi_cif cif;
+ ffi_type *args[1];
+ void *values[1];
+ int rint __attribute__((aligned(8)));
+ char *s;
+
+ args[0] = &ffi_type_pointer;
+ values[0] = (void*) &s;
+
+ /* Initialize the cif */
+ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
+ &ffi_type_sint, args) == FFI_OK);
+
+ s = "a";
+ ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
+ CHECK(rint == 1);
+
+ s = "1234567";
+ ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
+ CHECK(rint == 7);
+
+ s = "1234567890123456789012345";
+ ffi_call(&cif, FFI_FN(my_strlen), &rint, values);
+ CHECK(rint == 25);
+
+ exit (0);
+}
+
diff --git a/libffi/x86/ffi.c b/libffi/x86/ffi.c
new file mode 100644
index 0000000..830d6a1
--- /dev/null
+++ b/libffi/x86/ffi.c
@@ -0,0 +1,509 @@
+/* -----------------------------------------------------------------------
+ ffi.c - Copyright (c) 1996, 1998, 1999 Cygnus Solutions
+
+ 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 CYGNUS SOLUTIONS 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_private.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 */
+
+/*@-exportheader@*/
+void ffi_prep_args(char *stack, extended_cif *ecif)
+/*@=exportheader@*/
+{
+ register unsigned int i;
+ register int tmp;
+ register unsigned int avn;
+ register void **p_argv;
+ register char *argp;
+ register ffi_type **p_arg;
+
+ tmp = 0;
+ argp = stack;
+
+ if ( ecif->cif->rtype->type == FFI_TYPE_STRUCT ) {
+ *(void **) argp = ecif->rvalue;
+ argp += 4;
+ }
+
+ avn = ecif->cif->nargs;
+ p_argv = ecif->avalue;
+
+ for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types;
+ (i != 0) && (avn != 0);
+ i--, p_arg++)
+ {
+ size_t z;
+
+ /* Align if necessary */
+ if (((*p_arg)->alignment - 1) & (unsigned) argp) {
+ argp = (char *) ALIGN(argp, (*p_arg)->alignment);
+ }
+
+ if (avn != 0)
+ {
+ avn--;
+ 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_SINT32:
+ *(signed int *) argp = (signed int)*(SINT32 *)(* p_argv);
+ break;
+
+ case FFI_TYPE_UINT32:
+ *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
+ break;
+
+ case FFI_TYPE_STRUCT:
+ *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
+ break;
+
+ default:
+ FFI_ASSERT(0);
+ }
+ }
+ else
+ {
+ memcpy(argp, *p_argv, z);
+ }
+ p_argv++;
+ argp += z;
+ }
+ }
+
+ return;
+}
+
+/* Perform machine dependent cif processing */
+ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
+{
+ /* Set the return type flag */
+ switch (cif->rtype->type)
+ {
+ case FFI_TYPE_VOID:
+ case FFI_TYPE_STRUCT:
+ case FFI_TYPE_SINT64:
+ case FFI_TYPE_FLOAT:
+ case FFI_TYPE_DOUBLE:
+ case FFI_TYPE_LONGDOUBLE:
+ cif->flags = (unsigned) cif->rtype->type;
+ break;
+
+ case FFI_TYPE_UINT64:
+ cif->flags = FFI_TYPE_SINT64;
+ break;
+
+ default:
+ cif->flags = FFI_TYPE_INT;
+ break;
+ }
+
+ return FFI_OK;
+}
+
+/*@-declundef@*/
+/*@-exportheader@*/
+extern void ffi_call_SYSV(void (*)(char *, extended_cif *),
+ /*@out@*/ extended_cif *,
+ unsigned, unsigned,
+ /*@out@*/ unsigned *,
+ void (*fn)());
+/*@=declundef@*/
+/*@=exportheader@*/
+
+void ffi_call(/*@dependent@*/ ffi_cif *cif,
+ void (*fn)(),
+ /*@out@*/ void *rvalue,
+ /*@dependent@*/ void **avalue)
+{
+ 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 */
+
+ if ((rvalue == NULL) &&
+ (cif->rtype->type == FFI_TYPE_STRUCT))
+ {
+ /*@-sysunrecog@*/
+ ecif.rvalue = alloca(cif->rtype->size);
+ /*@=sysunrecog@*/
+ }
+ else
+ ecif.rvalue = rvalue;
+
+
+ switch (cif->abi)
+ {
+ case FFI_SYSV:
+ /*@-usedef@*/
+ ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes,
+ cif->flags, ecif.rvalue, fn);
+ /*@=usedef@*/
+ break;
+ default:
+ FFI_ASSERT(0);
+ break;
+ }
+}
+
+
+/** private members **/
+
+static void ffi_prep_incoming_args_SYSV (char *stack, void **ret,
+ void** args, ffi_cif* cif);
+static void ffi_closure_SYSV ();
+static void ffi_closure_raw_SYSV ();
+
+/* This function is jumped to by the trampoline, on entry, %ecx (a
+ * caller-save register) holds the address of the closure.
+ * Clearly, this requires __GNUC__, so perhaps we should translate this
+ * into an assembly file if this is to be distributed with ffi.
+ */
+
+static void
+ffi_closure_SYSV ()
+{
+ // this is our return value storage
+ long double res;
+
+ // our various things...
+ void *args;
+ ffi_cif *cif;
+ void **arg_area;
+ ffi_closure *closure;
+ unsigned short rtype;
+ void *resp = (void*)&res;
+
+ /* grab the trampoline context pointer */
+ asm ("movl %%ecx,%0" : "=r" (closure));
+
+ cif = closure->cif;
+ arg_area = (void**) alloca (cif->nargs * sizeof (void*));
+ asm ("leal 8(%%ebp),%0" : "=q" (args));
+
+ /* 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. */
+
+ ffi_prep_incoming_args_SYSV(args, (void**)&resp, arg_area, cif);
+
+ (closure->fun) (cif, resp, arg_area, closure->user_data);
+
+ rtype = cif->flags;
+
+ /* now, do a generic return based on the value of rtype */
+ if (rtype == FFI_TYPE_INT)
+ {
+ asm ("movl (%0),%%eax" : : "r" (resp) : "eax");
+ }
+ else if (rtype == FFI_TYPE_FLOAT)
+ {
+ asm ("flds (%0)" : : "r" (resp) : "st" );
+ }
+ else if (rtype == FFI_TYPE_DOUBLE)
+ {
+ asm ("fldl (%0)" : : "r" (resp) : "st", "st(1)" );
+ }
+ else if (rtype == FFI_TYPE_LONGDOUBLE)
+ {
+ asm ("fldt (%0)" : : "r" (resp) : "st", "st(1)" );
+ }
+ else if (rtype == FFI_TYPE_SINT64)
+ {
+ asm ("movl 0(%0),%%eax;"
+ "movl 4(%0),%%edx"
+ : : "r"(resp)
+ : "eax", "edx");
+ }
+}
+
+/*@-exportheader@*/
+static void
+ffi_prep_incoming_args_SYSV(char *stack, void **rvalue,
+ void **avalue, ffi_cif *cif)
+/*@=exportheader@*/
+{
+ register unsigned int i;
+ register int tmp;
+ register unsigned int avn;
+ register void **p_argv;
+ register char *argp;
+ register ffi_type **p_arg;
+
+ tmp = 0;
+ argp = stack;
+
+ if ( cif->rtype->type == FFI_TYPE_STRUCT ) {
+ *rvalue = *(void **) argp;
+ argp += 4;
+ }
+
+ avn = cif->nargs;
+ p_argv = avalue;
+
+ for (i = cif->nargs, p_arg = cif->arg_types;
+ (i != 0) && (avn != 0);
+ i--, p_arg++)
+ {
+ size_t z;
+
+ /* Align if necessary */
+ if (((*p_arg)->alignment - 1) & (unsigned) argp) {
+ argp = (char *) ALIGN(argp, (*p_arg)->alignment);
+ }
+
+ if (avn != 0)
+ {
+ avn--;
+ z = (*p_arg)->size;
+
+ /* because we're little endian, this is
+ what it turns into. */
+
+ *p_argv = (void*) argp;
+
+ p_argv++;
+ argp += z;
+ }
+ }
+
+ return;
+}
+
+/* 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 - ((unsigned int) __tramp + 10); \
+ *(unsigned char*) &__tramp[0] = 0xb9; \
+ *(unsigned int*) &__tramp[1] = __ctx; \
+ *(unsigned char*) &__tramp[5] = 0xe9; \
+ *(unsigned int*) &__tramp[6] = __dis; \
+ })
+
+
+/* the cif must already be prep'ed */
+
+ffi_status
+ffi_prep_closure (ffi_closure* closure,
+ ffi_cif* cif,
+ void (*fun)(ffi_cif*,void*,void**,void*),
+ void *user_data)
+{
+ FFI_ASSERT (cif->abi == FFI_SYSV);
+
+ FFI_INIT_TRAMPOLINE (&closure->tramp[0], \
+ &ffi_closure_SYSV, \
+ (void*)closure);
+
+ closure->cif = cif;
+ closure->user_data = user_data;
+ closure->fun = fun;
+
+ return FFI_OK;
+}
+
+/* ------- Native raw API support -------------------------------- */
+
+#if !FFI_NO_RAW_API
+
+static void
+ffi_closure_raw_SYSV ()
+{
+ // this is our return value storage
+ long double res;
+
+ // our various things...
+ void *args;
+ ffi_raw *raw_args;
+ ffi_cif *cif;
+ ffi_raw_closure *closure;
+ unsigned short rtype;
+ void *resp = (void*)&res;
+
+ /* grab the trampoline context pointer */
+ asm ("movl %%ecx,%0" : "=r" (closure));
+
+ /* take the argument pointer */
+ asm ("leal 8(%%ebp),%0" : "=q" (args));
+
+ /* get the cif */
+ cif = closure->cif;
+
+ /* the SYSV/X86 abi matches the RAW API exactly, well.. almost */
+ raw_args = (ffi_raw*) args;
+
+ (closure->fun) (cif, resp, raw_args, closure->user_data);
+
+ rtype = cif->flags;
+
+ /* now, do a generic return based on the value of rtype */
+ if (rtype == FFI_TYPE_INT)
+ {
+ asm ("movl (%0),%%eax" : : "r" (resp) : "eax");
+ }
+ else if (rtype == FFI_TYPE_FLOAT)
+ {
+ asm ("flds (%0)" : : "r" (resp) : "st" );
+ }
+ else if (rtype == FFI_TYPE_DOUBLE)
+ {
+ asm ("fldl (%0)" : : "r" (resp) : "st", "st(1)" );
+ }
+ else if (rtype == FFI_TYPE_LONGDOUBLE)
+ {
+ asm ("fldt (%0)" : : "r" (resp) : "st", "st(1)" );
+ }
+ else if (rtype == FFI_TYPE_SINT64)
+ {
+ asm ("movl 0(%0),%%eax; movl 4(%0),%%edx"
+ : : "r"(resp)
+ : "eax", "edx");
+ }
+}
+
+
+
+
+ffi_status
+ffi_prep_raw_closure (ffi_raw_closure* closure,
+ ffi_cif* cif,
+ void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
+ void *user_data)
+{
+ int i;
+
+ FFI_ASSERT (cif->abi == FFI_SYSV);
+
+ // we currently don't support certain kinds of arguments for raw
+ // closures. This should be implemented by a seperate 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--)
+ {
+ FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_STRUCT);
+ FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_LONGDOUBLE);
+ }
+
+
+ FFI_INIT_TRAMPOLINE (&closure->tramp[0], &ffi_closure_raw_SYSV,
+ (void*)closure);
+
+ closure->cif = cif;
+ closure->user_data = user_data;
+ closure->fun = fun;
+
+ return FFI_OK;
+}
+
+static void
+ffi_prep_args_raw(char *stack, extended_cif *ecif)
+{
+ memcpy (stack, ecif->avalue, ecif->cif->bytes);
+}
+
+/* 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.)
+ */
+
+extern void
+ffi_call_SYSV(void (*)(char *, extended_cif *),
+ /*@out@*/ extended_cif *,
+ unsigned, unsigned,
+ /*@out@*/ unsigned *,
+ void (*fn)());
+
+void
+ffi_raw_call(/*@dependent@*/ ffi_cif *cif,
+ void (*fn)(),
+ /*@out@*/ void *rvalue,
+ /*@dependent@*/ ffi_raw *fake_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->rtype->type == FFI_TYPE_STRUCT))
+ {
+ /*@-sysunrecog@*/
+ ecif.rvalue = alloca(cif->rtype->size);
+ /*@=sysunrecog@*/
+ }
+ else
+ ecif.rvalue = rvalue;
+
+
+ switch (cif->abi)
+ {
+ case FFI_SYSV:
+ /*@-usedef@*/
+ ffi_call_SYSV(ffi_prep_args_raw, &ecif, cif->bytes,
+ cif->flags, ecif.rvalue, fn);
+ /*@=usedef@*/
+ break;
+ default:
+ FFI_ASSERT(0);
+ break;
+ }
+}
+
+#endif
diff --git a/libffi/x86/sysv.S b/libffi/x86/sysv.S
new file mode 100644
index 0000000..c7a7812
--- /dev/null
+++ b/libffi/x86/sysv.S
@@ -0,0 +1,167 @@
+/* -----------------------------------------------------------------------
+ sysv.S - Copyright (c) 1996, 1998 Cygnus Solutions
+
+ 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 CYGNUS SOLUTIONS 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 <ffi.h>
+#include <ffi_private.h>
+
+.text
+
+.globl ffi_prep_args
+
+ # This assumes we are using gas.
+ .balign 16
+.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
+
+ 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)
+
+ # Remove the space we pushed for the args
+ movl 16(%ebp),%ecx
+ addl %ecx,%esp
+
+ # Load %ecx with the return type code
+ movl 20(%ebp),%ecx
+
+ # If the return value pointer is NULL, assume no return value.
+ cmpl $0,24(%ebp)
+ jne retint
+
+ # 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
+
+retint:
+ cmpl $FFI_TYPE_INT,%ecx
+ jne retfloat
+ # Load %ecx with the pointer to storage for the return value
+ movl 24(%ebp),%ecx
+ movl %eax,0(%ecx)
+ jmp epilogue
+
+retfloat:
+ cmpl $FFI_TYPE_FLOAT,%ecx
+ jne retdouble
+ # Load %ecx with the pointer to storage for the return value
+ movl 24(%ebp),%ecx
+ fstps (%ecx)
+ jmp epilogue
+
+retdouble:
+ cmpl $FFI_TYPE_DOUBLE,%ecx
+ jne retlongdouble
+ # Load %ecx with the pointer to storage for the return value
+ movl 24(%ebp),%ecx
+ fstpl (%ecx)
+ jmp epilogue
+
+retlongdouble:
+ cmpl $FFI_TYPE_LONGDOUBLE,%ecx
+ jne retint64
+ # Load %ecx with the pointer to storage for the return value
+ movl 24(%ebp),%ecx
+ fstpt (%ecx)
+ jmp epilogue
+
+retint64:
+ cmpl $FFI_TYPE_SINT64,%ecx
+ jne retstruct
+ # Load %ecx with the pointer to storage for the return value
+ movl 24(%ebp),%ecx
+ movl %eax,0(%ecx)
+ movl %edx,4(%ecx)
+
+retstruct:
+ # Nothing to do!
+
+noretval:
+epilogue:
+ movl %ebp,%esp
+ popl %ebp
+ ret
+.LFE1:
+.ffi_call_SYSV_end:
+ .size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV
+
+.section .eh_frame,"aw",@progbits
+__FRAME_BEGIN__:
+ .4byte .LLCIE1
+.LSCIE1:
+ .4byte 0x0
+ .byte 0x1
+ .byte 0x0
+ .byte 0x1
+ .byte 0x7c
+ .byte 0x8
+ .byte 0xc
+ .byte 0x4
+ .byte 0x4
+ .byte 0x88
+ .byte 0x1
+ .align 4
+.LECIE1:
+ .set .LLCIE1,.LECIE1-.LSCIE1
+ .4byte .LLFDE1
+.LSFDE1:
+ .4byte .LSFDE1-__FRAME_BEGIN__
+ .4byte .LFB1
+ .4byte .LFE1-.LFB1
+ .byte 0x4
+ .4byte .LCFI0-.LFB1
+ .byte 0xe
+ .byte 0x8
+ .byte 0x85
+ .byte 0x2
+ .byte 0x4
+ .4byte .LCFI1-.LCFI0
+ .byte 0xd
+ .byte 0x5
+ .align 4
+.LEFDE1:
+ .set .LLFDE1,.LEFDE1-.LSFDE1
diff --git a/libffi/x86/win32.S b/libffi/x86/win32.S
new file mode 100644
index 0000000..520d1fc
--- /dev/null
+++ b/libffi/x86/win32.S
@@ -0,0 +1,125 @@
+/* -----------------------------------------------------------------------
+ win32.S - Copyright (c) 1996, 1998, 2001 Cygnus Solutions
+
+ 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 CYGNUS SOLUTIONS 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 <ffi.h>
+
+.text
+
+.globl ffi_prep_args
+
+ # This assumes we are using gas.
+ .balign 16
+.globl _ffi_call_SYSV
+
+_ffi_call_SYSV:
+ pushl %ebp
+ movl %esp,%ebp
+
+ # Make room for all of the new args.
+ movl 16(%ebp),%ecx
+ subl %ecx,%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)
+
+ # Remove the space we pushed for the args
+ movl 16(%ebp),%ecx
+ addl %ecx,%esp
+
+ # Load %ecx with the return type code
+ movl 20(%ebp),%ecx
+
+ # If the return value pointer is NULL, assume no return value.
+ cmpl $0,24(%ebp)
+ jne retint
+
+ # 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
+
+retint:
+ cmpl $FFI_TYPE_INT,%ecx
+ jne retfloat
+ # Load %ecx with the pointer to storage for the return value
+ movl 24(%ebp),%ecx
+ movl %eax,0(%ecx)
+ jmp epilogue
+
+retfloat:
+ cmpl $FFI_TYPE_FLOAT,%ecx
+ jne retdouble
+ # Load %ecx with the pointer to storage for the return value
+ movl 24(%ebp),%ecx
+ fstps (%ecx)
+ jmp epilogue
+
+retdouble:
+ cmpl $FFI_TYPE_DOUBLE,%ecx
+ jne retlongdouble
+ # Load %ecx with the pointer to storage for the return value
+ movl 24(%ebp),%ecx
+ fstpl (%ecx)
+ jmp epilogue
+
+retlongdouble:
+ cmpl $FFI_TYPE_LONGDOUBLE,%ecx
+ jne retint64
+ # Load %ecx with the pointer to storage for the return value
+ movl 24(%ebp),%ecx
+ fstpt (%ecx)
+ jmp epilogue
+
+retint64:
+ cmpl $FFI_TYPE_SINT64,%ecx
+ jne retstruct
+ # Load %ecx with the pointer to storage for the return value
+ movl 24(%ebp),%ecx
+ movl %eax,0(%ecx)
+ movl %edx,4(%ecx)
+
+retstruct:
+ # Nothing to do!
+
+noretval:
+epilogue:
+ movl %ebp,%esp
+ popl %ebp
+ ret
+
+.ffi_call_SYSV_end: