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/* -----------------------------------------------------------------------

   ffi_common.h - Copyright (c) 1996  Red Hat, Inc.

   Copyright (C) 2007 Free Software Foundation, Inc

   Common internal definitions and macros. Only necessary for building

   libffi.

   ----------------------------------------------------------------------- */

#ifndef FFI_COMMON_H

#define FFI_COMMON_H

#ifdef __cplusplus

extern "C" {

#endif

#include <fficonfig.h>

/* Do not move this. Some versions of AIX are very picky about where

   this is positioned. */

#ifdef __GNUC__

/* mingw64 defines this already in malloc.h. */

#ifndef alloca

# define alloca __builtin_alloca

#endif

# define MAYBE_UNUSED __attribute__((__unused__))

#else

# define MAYBE_UNUSED

# if HAVE_ALLOCA_H

#  include <alloca.h>

# else

#  ifdef _AIX

 #pragma alloca

#  else

#   ifndef alloca /* predefined by HP cc +Olibcalls */

#    ifdef _MSC_VER

#     define alloca _alloca

#    else

char *alloca ();

#    endif

#   endif

#  endif

# endif

#endif

/* Check for the existence of memcpy. */

#if STDC_HEADERS

# include <string.h>

#else

# ifndef HAVE_MEMCPY

#  define memcpy(d, s, n) bcopy ((s), (d), (n))

# endif

#endif

#if defined(FFI_DEBUG)

#include <stdio.h>

#endif

#ifdef FFI_DEBUG

void ffi_assert(char *expr, char *file, int line);

void ffi_stop_here(void);

void ffi_type_test(ffi_type *a, char *file, int line);

#define FFI_ASSERT(x) ((x) ? (void)0 : ffi_assert(#x, __FILE__,__LINE__))

#define FFI_ASSERT_AT(x, f, l) ((x) ? 0 : ffi_assert(#x, (f), (l)))

#define FFI_ASSERT_VALID_TYPE(x) ffi_type_test (x, __FILE__, __LINE__)

#else

#define FFI_ASSERT(x)

#define FFI_ASSERT_AT(x, f, l)

#define FFI_ASSERT_VALID_TYPE(x)

#endif

#define ALIGN(v, a)  (((((size_t) (v))-1) | ((a)-1))+1)

#define ALIGN_DOWN(v, a) (((size_t) (v)) & -a)

/* Perform machine dependent cif processing */

ffi_status ffi_prep_cif_machdep(ffi_cif *cif);

/* Extended cif, used in callback from assembly routine */

typedef struct

{

  ffi_cif *cif;

  void *rvalue;

  void **avalue;

} extended_cif;

/* Terse sized type definitions.  */

#if defined(_MSC_VER) || defined(__sgi)

typedef unsigned char UINT8;

typedef signed char   SINT8;

typedef unsigned short UINT16;

typedef signed short   SINT16;

typedef unsigned int UINT32;

typedef signed int   SINT32;

# ifdef _MSC_VER

typedef unsigned __int64 UINT64;

typedef signed __int64   SINT64;

# else

# include <inttypes.h>

typedef uint64_t UINT64;

typedef int64_t  SINT64;

# endif

#else

typedef unsigned int UINT8  __attribute__((__mode__(__QI__)));

typedef signed int   SINT8  __attribute__((__mode__(__QI__)));

typedef unsigned int UINT16 __attribute__((__mode__(__HI__)));

typedef signed int   SINT16 __attribute__((__mode__(__HI__)));

typedef unsigned int UINT32 __attribute__((__mode__(__SI__)));

typedef signed int   SINT32 __attribute__((__mode__(__SI__)));

typedef unsigned int UINT64 __attribute__((__mode__(__DI__)));

typedef signed int   SINT64 __attribute__((__mode__(__DI__)));

#endif

typedef float FLOAT32;

#ifdef __cplusplus

}

#endif

#endif