Import of v1 code.
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green
291
libffi/include/ffi.h.in
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291
libffi/include/ffi.h.in
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/* -----------------------------------------------------------------*-C-*-
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libffi @VERSION@ - Copyright (c) 1996, 1997, 1998 Cygnus Solutions
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$Id: ffi.h.in,v 1.1 1998/11/29 16:48:16 green Exp $
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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``Software''), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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----------------------------------------------------------------------- */
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#ifndef LIBFFI_H
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#define LIBFFI_H
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/* Specify which architecture libffi is configured for. */
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#define @TARGET@
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/* ---- System configuration information --------------------------------- */
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#include <fficonfig.h>
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#if !defined(LIBFFI_ASM)
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#include <stddef.h>
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#if defined(FFI_DEBUG)
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#include <stdio.h>
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#endif
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#endif
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/* ---- Generic type definitions ----------------------------------------- */
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#define FLOAT32 float
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#define FLOAT64 double
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#define FLOAT80 long double
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#define UINT8 unsigned char
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#define SINT8 signed char
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#if SIZEOF_INT == 2
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#define UINT16 unsigned int
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#define SINT16 int
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#define ffi_type_uint ffi_type_uint16
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#define ffi_type_sint ffi_type_sint16
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#else
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#if SIZEOF_SHORT == 2
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#define UINT16 unsigned short
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#define SINT16 short
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#define ffi_type_ushort ffi_type_uint16
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#define ffi_type_sshort ffi_type_sint16
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#endif
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#endif
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#if SIZEOF_INT == 4
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#define UINT32 unsigned int
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#define SINT32 int
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#define ffi_type_uint ffi_type_uint32
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#define ffi_type_sint ffi_type_sint32
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#else
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#if SIZEOF_SHORT == 4
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#define UINT32 unsigned short
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#define SINT32 short
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#define ffi_type_ushort ffi_type_uint32
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#define ffi_type_sshort ffi_type_sint32
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#else
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#if SIZEOF_LONG == 4
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#define UINT32 unsigned long
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#define SINT32 long
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#define ffi_type_ulong ffi_type_uint32
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#define ffi_type_slong ffi_type_sint32
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#endif
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#endif
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#endif
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#if SIZEOF_INT == 8
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#define UINT64 unsigned int
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#define SINT64 int
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#define ffi_type_uint ffi_type_uint64
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#define ffi_type_sint ffi_type_sint64
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#else
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#if SIZEOF_LONG == 8
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#define UINT64 unsigned long
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#define SINT64 long
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#define ffi_type_ulong ffi_type_uint64
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#define ffi_type_slong ffi_type_sint64
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#else
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#if SIZEOF_LONG_LONG == 8
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#define UINT64 unsigned long long
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#define SINT64 long long
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#define ffi_type_ulong ffi_type_uint64
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#define ffi_type_slong ffi_type_sint64
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#endif
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#endif
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#endif
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/* ---- System specific configurations ----------------------------------- */
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#ifdef MIPS
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#include <ffi_mips.h>
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#else
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#define SIZEOF_ARG sizeof(void*)
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#endif
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#ifndef LIBFFI_ASM
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/* ---- Generic type definitions ----------------------------------------- */
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#define ALIGN(v, a) (((((unsigned) (v))-1) | ((a)-1))+1)
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typedef enum ffi_abi {
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/* Leave this for debugging purposes */
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FFI_FIRST_ABI = 0,
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/* ---- Sparc -------------------- */
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#ifdef SPARC
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FFI_V8,
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FFI_DEFAULT_ABI = FFI_V8,
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FFI_V8PLUS,
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FFI_V9,
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#endif
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/* ---- Intel x86 ---------------- */
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#ifdef X86
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FFI_SYSV,
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FFI_DEFAULT_ABI = FFI_SYSV,
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#endif
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/* ---- Mips --------------------- */
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#ifdef MIPS
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FFI_O32,
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FFI_N32,
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FFI_N64,
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#endif
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/* ---- Alpha -------------------- */
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#ifdef ALPHA
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FFI_OSF,
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FFI_DEFAULT_ABI = FFI_OSF,
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#endif
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/* ---- Motorola m68k ------------ */
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#ifdef M68K
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FFI_SYSV,
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FFI_DEFAULT_ABI = FFI_SYSV,
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#endif
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/* ---- PowerPC ------------------ */
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#ifdef POWERPC
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FFI_SYSV,
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FFI_GCC_SYSV,
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FFI_DEFAULT_ABI = FFI_GCC_SYSV,
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#endif
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/* ---- ARM --------------------- */
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#ifdef ARM
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FFI_SYSV,
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FFI_DEFAULT_ABI = FFI_SYSV,
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#endif
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/* Leave this for debugging purposes */
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FFI_LAST_ABI
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} ffi_abi;
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typedef struct _ffi_type
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{
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size_t size;
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unsigned short alignment;
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unsigned short type;
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/*@null@*/ struct _ffi_type **elements;
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} ffi_type;
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/* These are defined in ffi.c */
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extern ffi_type ffi_type_void;
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extern ffi_type ffi_type_uint8;
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extern ffi_type ffi_type_sint8;
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extern ffi_type ffi_type_uint16;
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extern ffi_type ffi_type_sint16;
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extern ffi_type ffi_type_uint32;
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extern ffi_type ffi_type_sint32;
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extern ffi_type ffi_type_uint64;
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extern ffi_type ffi_type_sint64;
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extern ffi_type ffi_type_float;
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extern ffi_type ffi_type_double;
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extern ffi_type ffi_type_longdouble;
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extern ffi_type ffi_type_pointer;
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/* Characters are 8 bit integral types */
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#define ffi_type_schar ffi_type_sint8
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#define ffi_type_uchar ffi_type_uint8
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typedef enum {
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FFI_OK = 0,
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FFI_BAD_TYPEDEF,
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FFI_BAD_ABI
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} ffi_status;
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typedef unsigned FFI_TYPE;
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typedef struct {
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ffi_abi abi;
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unsigned nargs;
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/*@dependent@*/ ffi_type **arg_types;
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/*@dependent@*/ ffi_type *rtype;
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unsigned bytes;
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unsigned flags;
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#ifdef MIPS
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#if _MIPS_SIM == _ABIN32
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unsigned rstruct_flag;
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#endif
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#endif
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} ffi_cif;
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/* ---- Public interface definition -------------------------------------- */
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ffi_status ffi_prep_cif(/*@out@*/ /*@partial@*/ ffi_cif *cif,
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ffi_abi abi,
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unsigned int nargs,
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/*@dependent@*/ /*@out@*/ /*@partial@*/ ffi_type *rtype,
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/*@dependent@*/ ffi_type **atypes);
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void ffi_call(/*@dependent@*/ ffi_cif *cif,
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void (*fn)(),
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/*@out@*/ void *rvalue,
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/*@dependent@*/ void **avalue);
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/* Useful for eliminating compiler warnings */
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#define FFI_FN(f) ((void (*)())f)
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/* ---- Definitions shared with assembly code ---------------------------- */
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#endif
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#define FFI_TYPE_VOID 0
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#define FFI_TYPE_INT 1
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#define FFI_TYPE_FLOAT 2
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#define FFI_TYPE_DOUBLE 3
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#if SIZEOF_LONG_DOUBLE == SIZEOF_DOUBLE
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#define FFI_TYPE_LONGDOUBLE FFI_TYPE_DOUBLE
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#else
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#define FFI_TYPE_LONGDOUBLE 4
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#endif
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#define FFI_TYPE_UINT8 5 /* If this changes, update ffi_mips.h. */
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#define FFI_TYPE_SINT8 6 /* If this changes, update ffi_mips.h. */
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#define FFI_TYPE_UINT16 7
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#define FFI_TYPE_SINT16 8
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#define FFI_TYPE_UINT32 9
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#define FFI_TYPE_SINT32 10
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#define FFI_TYPE_UINT64 11
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#define FFI_TYPE_SINT64 12
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#define FFI_TYPE_STRUCT 13 /* If this changes, update ffi_mips.h. */
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#define FFI_TYPE_POINTER 14
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/* This should always refer to the last type code (for sanity checks) */
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#define FFI_TYPE_LAST FFI_TYPE_POINTER
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#endif
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