gcc/libffi/include/ffi_common.h

92 lines
1.7 KiB
C

/* -----------------------------------------------------------------------
ffi_common.h - Copyright (c) 1996 Cygnus Solutions
$Id: ffi_common.h,v 1.1.1.1 1998/11/29 16:48:16 green Exp $
Common internal definitions and macros. Only necessary for building
libffi.
----------------------------------------------------------------------- */
#ifndef FFI_COMMON_H
#define FFI_COMMON_H
#ifdef __cplusplus
extern "C" {
#endif
/* Do not move this. Some versions of AIX are very picky about where
this is positioned. */
#ifdef __GNUC__
# define alloca __builtin_alloca
#else
# if HAVE_ALLOCA_H
# include <alloca.h>
# else
# ifdef _AIX
#pragma alloca
# else
# ifndef alloca /* predefined by HP cc +Olibcalls */
char *alloca ();
# 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
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE (!FALSE)
#endif
#ifndef __cplusplus
/* bool is a keyword in C++ */
/*@-cppnames@*/
typedef int bool;
/*@=cppnames@*/
#endif
#ifdef FFI_DEBUG
/* Debugging functions */
/*@exits@*/ int ffi_assert(/*@temp@*/ char *file, int line);
void ffi_stop_here(void);
bool ffi_type_test(/*@temp@*/ /*@out@*/ ffi_type *a);
#define FFI_ASSERT(x) ((x) ? 0 : ffi_assert(__FILE__,__LINE__))
#else
#define FFI_ASSERT(x)
#endif
/* Perform machine dependent cif processing */
ffi_status ffi_prep_cif_machdep(ffi_cif *cif);
/* Extended cif, used in callback from assembly routine */
typedef struct
{
/*@dependent@*/ ffi_cif *cif;
/*@dependent@*/ void *rvalue;
/*@dependent@*/ void **avalue;
} extended_cif;
#ifdef __cplusplus
}
#endif
#endif