Commit a2b72ed3512bdd6e67adf5e21871aa682669a5af

Thomas de Grivel 2023-08-05T18:21:24

libffi

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diff --git a/ffi.h b/ffi.h
deleted file mode 100644
index bb8808a..0000000
--- a/ffi.h
+++ /dev/null
@@ -1,531 +0,0 @@
-/* -----------------------------------------------------------------*-C-*-
-   libffi 3.4.4
-     - Copyright (c) 2011, 2014, 2019, 2021, 2022 Anthony Green
-     - Copyright (c) 1996-2003, 2007, 2008 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 THE AUTHORS OR COPYRIGHT
-   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
-   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-   DEALINGS IN THE SOFTWARE.
-
-   ----------------------------------------------------------------------- */
-
-/* -------------------------------------------------------------------
-   Most of the API is documented in doc/libffi.texi.
-
-   The raw API is designed to bypass some of the argument packing and
-   unpacking on architectures for which it can be avoided.  Routines
-   are provided to emulate the raw API if the underlying platform
-   doesn't allow faster implementation.
-
-   More details on the raw 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. */
-#ifndef X86_64
-#define X86_64
-#endif
-
-/* ---- System configuration information --------------------------------- */
-
-/* If these change, update src/mips/ffitarget.h. */
-#define FFI_TYPE_VOID       0
-#define FFI_TYPE_INT        1
-#define FFI_TYPE_FLOAT      2
-#define FFI_TYPE_DOUBLE     3
-#if 1
-#define FFI_TYPE_LONGDOUBLE 4
-#else
-#define FFI_TYPE_LONGDOUBLE FFI_TYPE_DOUBLE
-#endif
-#define FFI_TYPE_UINT8      5
-#define FFI_TYPE_SINT8      6
-#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
-#define FFI_TYPE_POINTER    14
-#define FFI_TYPE_COMPLEX    15
-
-/* This should always refer to the last type code (for sanity checks).  */
-#define FFI_TYPE_LAST       FFI_TYPE_COMPLEX
-
-#include <ffitarget.h>
-
-#ifndef LIBFFI_ASM
-
-#if defined(_MSC_VER) && !defined(__clang__)
-#define __attribute__(X)
-#endif
-
-#include <stddef.h>
-#include <limits.h>
-
-/* LONG_LONG_MAX is not always defined (not if STRICT_ANSI, for example).
-   But we can find it either under the correct ANSI name, or under GNU
-   C's internal name.  */
-
-#define FFI_64_BIT_MAX 9223372036854775807
-
-#ifdef LONG_LONG_MAX
-# define FFI_LONG_LONG_MAX LONG_LONG_MAX
-#else
-# ifdef LLONG_MAX
-#  define FFI_LONG_LONG_MAX LLONG_MAX
-#  ifdef _AIX52 /* or newer has C99 LLONG_MAX */
-#   undef FFI_64_BIT_MAX
-#   define FFI_64_BIT_MAX 9223372036854775807LL
-#  endif /* _AIX52 or newer */
-# else
-#  ifdef __GNUC__
-#   define FFI_LONG_LONG_MAX __LONG_LONG_MAX__
-#  endif
-#  ifdef _AIX /* AIX 5.1 and earlier have LONGLONG_MAX */
-#   ifndef __PPC64__
-#    if defined (__IBMC__) || defined (__IBMCPP__)
-#     define FFI_LONG_LONG_MAX LONGLONG_MAX
-#    endif
-#   endif /* __PPC64__ */
-#   undef  FFI_64_BIT_MAX
-#   define FFI_64_BIT_MAX 9223372036854775807LL
-#  endif
-# endif
-#endif
-
-/* The closure code assumes that this works on pointers, i.e. a size_t
-   can hold a pointer.  */
-
-typedef struct _ffi_type
-{
-  size_t size;
-  unsigned short alignment;
-  unsigned short type;
-  struct _ffi_type **elements;
-} ffi_type;
-
-/* Need minimal decorations for DLLs to work on Windows.  GCC has
-   autoimport and autoexport.  Always mark externally visible symbols
-   as dllimport for MSVC clients, even if it means an extra indirection
-   when using the static version of the library.
-   Besides, as a workaround, they can define FFI_BUILDING if they
-   *know* they are going to link with the static library.  */
-#if defined _MSC_VER
-# if defined FFI_BUILDING_DLL /* Building libffi.DLL with msvcc.sh */
-#  define FFI_API __declspec(dllexport)
-# elif !defined FFI_BUILDING  /* Importing libffi.DLL */
-#  define FFI_API __declspec(dllimport)
-# else                        /* Building/linking static library */
-#  define FFI_API
-# endif
-#else
-# define FFI_API
-#endif
-
-/* The externally visible type declarations also need the MSVC DLL
-   decorations, or they will not be exported from the object file.  */
-#if defined LIBFFI_HIDE_BASIC_TYPES
-# define FFI_EXTERN FFI_API
-#else
-# define FFI_EXTERN extern FFI_API
-#endif
-
-#ifndef LIBFFI_HIDE_BASIC_TYPES
-#if SCHAR_MAX == 127
-# define ffi_type_uchar                ffi_type_uint8
-# define ffi_type_schar                ffi_type_sint8
-#else
- #error "char size not supported"
-#endif
-
-#if SHRT_MAX == 32767
-# define ffi_type_ushort       ffi_type_uint16
-# define ffi_type_sshort       ffi_type_sint16
-#elif SHRT_MAX == 2147483647
-# define ffi_type_ushort       ffi_type_uint32
-# define ffi_type_sshort       ffi_type_sint32
-#else
- #error "short size not supported"
-#endif
-
-#if INT_MAX == 32767
-# define ffi_type_uint         ffi_type_uint16
-# define ffi_type_sint         ffi_type_sint16
-#elif INT_MAX == 2147483647
-# define ffi_type_uint         ffi_type_uint32
-# define ffi_type_sint         ffi_type_sint32
-#elif INT_MAX == 9223372036854775807
-# define ffi_type_uint         ffi_type_uint64
-# define ffi_type_sint         ffi_type_sint64
-#else
- #error "int size not supported"
-#endif
-
-#if LONG_MAX == 2147483647
-# if FFI_LONG_LONG_MAX != FFI_64_BIT_MAX
- #error "no 64-bit data type supported"
-# endif
-#elif LONG_MAX != FFI_64_BIT_MAX
- #error "long size not supported"
-#endif
-
-#if LONG_MAX == 2147483647
-# define ffi_type_ulong        ffi_type_uint32
-# define ffi_type_slong        ffi_type_sint32
-#elif LONG_MAX == FFI_64_BIT_MAX
-# define ffi_type_ulong        ffi_type_uint64
-# define ffi_type_slong        ffi_type_sint64
-#else
- #error "long size not supported"
-#endif
-
-/* These are defined in types.c.  */
-FFI_EXTERN ffi_type ffi_type_void;
-FFI_EXTERN ffi_type ffi_type_uint8;
-FFI_EXTERN ffi_type ffi_type_sint8;
-FFI_EXTERN ffi_type ffi_type_uint16;
-FFI_EXTERN ffi_type ffi_type_sint16;
-FFI_EXTERN ffi_type ffi_type_uint32;
-FFI_EXTERN ffi_type ffi_type_sint32;
-FFI_EXTERN ffi_type ffi_type_uint64;
-FFI_EXTERN ffi_type ffi_type_sint64;
-FFI_EXTERN ffi_type ffi_type_float;
-FFI_EXTERN ffi_type ffi_type_double;
-FFI_EXTERN ffi_type ffi_type_pointer;
-
-#if 1
-FFI_EXTERN ffi_type ffi_type_longdouble;
-#else
-#define ffi_type_longdouble ffi_type_double
-#endif
-
-#ifdef FFI_TARGET_HAS_COMPLEX_TYPE
-FFI_EXTERN ffi_type ffi_type_complex_float;
-FFI_EXTERN ffi_type ffi_type_complex_double;
-#if 1
-FFI_EXTERN ffi_type ffi_type_complex_longdouble;
-#else
-#define ffi_type_complex_longdouble ffi_type_complex_double
-#endif
-#endif
-#endif /* LIBFFI_HIDE_BASIC_TYPES */
-
-typedef enum {
-  FFI_OK = 0,
-  FFI_BAD_TYPEDEF,
-  FFI_BAD_ABI,
-  FFI_BAD_ARGTYPE
-} ffi_status;
-
-typedef struct {
-  ffi_abi abi;
-  unsigned nargs;
-  ffi_type **arg_types;
-  ffi_type *rtype;
-  unsigned bytes;
-  unsigned flags;
-#ifdef FFI_EXTRA_CIF_FIELDS
-  FFI_EXTRA_CIF_FIELDS;
-#endif
-} ffi_cif;
-
-/* ---- Definitions for the raw API -------------------------------------- */
-
-#ifndef FFI_SIZEOF_ARG
-# if LONG_MAX == 2147483647
-#  define FFI_SIZEOF_ARG        4
-# elif LONG_MAX == FFI_64_BIT_MAX
-#  define FFI_SIZEOF_ARG        8
-# endif
-#endif
-
-#ifndef FFI_SIZEOF_JAVA_RAW
-#  define FFI_SIZEOF_JAVA_RAW FFI_SIZEOF_ARG
-#endif
-
-typedef union {
-  ffi_sarg  sint;
-  ffi_arg   uint;
-  float	    flt;
-  char      data[FFI_SIZEOF_ARG];
-  void*     ptr;
-} ffi_raw;
-
-#if FFI_SIZEOF_JAVA_RAW == 4 && FFI_SIZEOF_ARG == 8
-/* This is a special case for mips64/n32 ABI (and perhaps others) where
-   sizeof(void *) is 4 and FFI_SIZEOF_ARG is 8.  */
-typedef union {
-  signed int	sint;
-  unsigned int	uint;
-  float		flt;
-  char		data[FFI_SIZEOF_JAVA_RAW];
-  void*		ptr;
-} ffi_java_raw;
-#else
-typedef ffi_raw ffi_java_raw;
-#endif
-
-
-FFI_API
-void ffi_raw_call (ffi_cif *cif,
-		   void (*fn)(void),
-		   void *rvalue,
-		   ffi_raw *avalue);
-
-FFI_API void ffi_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_raw *raw);
-FFI_API void ffi_raw_to_ptrarray (ffi_cif *cif, ffi_raw *raw, void **args);
-FFI_API size_t ffi_raw_size (ffi_cif *cif);
-
-/* 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.  */
-
-#if !FFI_NATIVE_RAW_API
-FFI_API
-void ffi_java_raw_call (ffi_cif *cif,
-			void (*fn)(void),
-			void *rvalue,
-			ffi_java_raw *avalue) __attribute__((deprecated));
-#endif
-
-FFI_API
-void ffi_java_ptrarray_to_raw (ffi_cif *cif, void **args, ffi_java_raw *raw) __attribute__((deprecated));
-FFI_API
-void ffi_java_raw_to_ptrarray (ffi_cif *cif, ffi_java_raw *raw, void **args) __attribute__((deprecated));
-FFI_API
-size_t ffi_java_raw_size (ffi_cif *cif) __attribute__((deprecated));
-
-/* ---- Definitions for closures ----------------------------------------- */
-
-#if FFI_CLOSURES
-
-#ifdef _MSC_VER
-__declspec(align(8))
-#endif
-typedef struct {
-#if 0
-  void *trampoline_table;
-  void *trampoline_table_entry;
-#else
-  union {
-    char tramp[FFI_TRAMPOLINE_SIZE];
-    void *ftramp;
-  } tramp;
-#endif
-  ffi_cif   *cif;
-  void     (*fun)(ffi_cif*,void*,void**,void*);
-  void      *user_data;
-#if defined(_MSC_VER) && defined(_M_IX86)
-  void      *padding;
-#endif
-} ffi_closure
-#ifdef __GNUC__
-    __attribute__((aligned (8)))
-#endif
-    ;
-
-#ifndef __GNUC__
-# ifdef __sgi
-#  pragma pack 0
-# endif
-#endif
-
-FFI_API void *ffi_closure_alloc (size_t size, void **code);
-FFI_API void ffi_closure_free (void *);
-
-#if defined(PA_LINUX) || defined(PA_HPUX)
-#define FFI_CLOSURE_PTR(X) ((void *)((unsigned int)(X) | 2))
-#define FFI_RESTORE_PTR(X) ((void *)((unsigned int)(X) & ~3))
-#else
-#define FFI_CLOSURE_PTR(X) (X)
-#define FFI_RESTORE_PTR(X) (X)
-#endif
-
-FFI_API ffi_status
-ffi_prep_closure (ffi_closure*,
-		  ffi_cif *,
-		  void (*fun)(ffi_cif*,void*,void**,void*),
-		  void *user_data)
-#if defined(__GNUC__) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 405)
-  __attribute__((deprecated ("use ffi_prep_closure_loc instead")))
-#elif defined(__GNUC__) && __GNUC__ >= 3
-  __attribute__((deprecated))
-#endif
-  ;
-
-FFI_API ffi_status
-ffi_prep_closure_loc (ffi_closure*,
-		      ffi_cif *,
-		      void (*fun)(ffi_cif*,void*,void**,void*),
-		      void *user_data,
-		      void *codeloc);
-
-#ifdef __sgi
-# pragma pack 8
-#endif
-typedef struct {
-#if 0
-  void *trampoline_table;
-  void *trampoline_table_entry;
-#else
-  char tramp[FFI_TRAMPOLINE_SIZE];
-#endif
-  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 translation, 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;
-
-typedef struct {
-#if 0
-  void *trampoline_table;
-  void *trampoline_table_entry;
-#else
-  char tramp[FFI_TRAMPOLINE_SIZE];
-#endif
-
-  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 translation, void** -> ffi_raw*.  */
-
-  void     (*translate_args)(ffi_cif*,void*,void**,void*);
-  void      *this_closure;
-
-#endif
-
-  void     (*fun)(ffi_cif*,void*,ffi_java_raw*,void*);
-  void      *user_data;
-
-} ffi_java_raw_closure;
-
-FFI_API ffi_status
-ffi_prep_raw_closure (ffi_raw_closure*,
-		      ffi_cif *cif,
-		      void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
-		      void *user_data);
-
-FFI_API ffi_status
-ffi_prep_raw_closure_loc (ffi_raw_closure*,
-			  ffi_cif *cif,
-			  void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
-			  void *user_data,
-			  void *codeloc);
-
-#if !FFI_NATIVE_RAW_API
-FFI_API ffi_status
-ffi_prep_java_raw_closure (ffi_java_raw_closure*,
-		           ffi_cif *cif,
-		           void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
-		           void *user_data) __attribute__((deprecated));
-
-FFI_API ffi_status
-ffi_prep_java_raw_closure_loc (ffi_java_raw_closure*,
-			       ffi_cif *cif,
-			       void (*fun)(ffi_cif*,void*,ffi_java_raw*,void*),
-			       void *user_data,
-			       void *codeloc) __attribute__((deprecated));
-#endif
-
-#endif /* FFI_CLOSURES */
-
-#if FFI_GO_CLOSURES
-
-typedef struct {
-  void      *tramp;
-  ffi_cif   *cif;
-  void     (*fun)(ffi_cif*,void*,void**,void*);
-} ffi_go_closure;
-
-FFI_API ffi_status ffi_prep_go_closure (ffi_go_closure*, ffi_cif *,
-				void (*fun)(ffi_cif*,void*,void**,void*));
-
-FFI_API void ffi_call_go (ffi_cif *cif, void (*fn)(void), void *rvalue,
-		  void **avalue, void *closure);
-
-#endif /* FFI_GO_CLOSURES */
-
-/* ---- Public interface definition -------------------------------------- */
-
-FFI_API
-ffi_status ffi_prep_cif(ffi_cif *cif,
-			ffi_abi abi,
-			unsigned int nargs,
-			ffi_type *rtype,
-			ffi_type **atypes);
-
-FFI_API
-ffi_status ffi_prep_cif_var(ffi_cif *cif,
-			    ffi_abi abi,
-			    unsigned int nfixedargs,
-			    unsigned int ntotalargs,
-			    ffi_type *rtype,
-			    ffi_type **atypes);
-
-FFI_API
-void ffi_call(ffi_cif *cif,
-	      void (*fn)(void),
-	      void *rvalue,
-	      void **avalue);
-
-FFI_API
-ffi_status ffi_get_struct_offsets (ffi_abi abi, ffi_type *struct_type,
-				   size_t *offsets);
-
-/* Useful for eliminating compiler warnings.  */
-#define FFI_FN(f) ((void (*)(void))f)
-
-/* ---- Definitions shared with assembly code ---------------------------- */
-
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
diff --git a/libc3/Makefile b/libc3/Makefile
index d4ceefc..95e2bd2 100644
--- a/libc3/Makefile
+++ b/libc3/Makefile
@@ -66,6 +66,9 @@ libc3_cov.a: libc3_cov.la
 libc3_debug.a: libc3_debug.la
 	cp .libs/libc3_debug.a ./
 
+libffi:
+	ln -sf "../libffi/${CC_TARGET}" libffi
+
 test:
 
 update_sources: