1/* -----------------------------------------------------------------------
2   ffi_common.h - Copyright (c) 1996  Red Hat, Inc.
3
4   Common internal definitions and macros. Only necessary for building
5   libffi.
6   ----------------------------------------------------------------------- */
7
8#ifndef FFI_COMMON_H
9#define FFI_COMMON_H
10
11#ifdef __cplusplus
12extern "C" {
13#endif
14
15#include <fficonfig.h>
16
17/* Do not move this. Some versions of AIX are very picky about where
18   this is positioned. */
19#ifdef __GNUC__
20# define alloca __builtin_alloca
21#else
22# if HAVE_ALLOCA_H
23#  include <alloca.h>
24# else
25#  ifdef _AIX
26 #pragma alloca
27#  else
28#   ifndef alloca /* predefined by HP cc +Olibcalls */
29char *alloca ();
30#   endif
31#  endif
32# endif
33#endif
34
35/* Check for the existence of memcpy. */
36#if STDC_HEADERS
37# include <string.h>
38#else
39# ifndef HAVE_MEMCPY
40#  define memcpy(d, s, n) bcopy ((s), (d), (n))
41# endif
42#endif
43
44#if defined(FFI_DEBUG)
45#include <stdio.h>
46#endif
47
48#ifdef FFI_DEBUG
49/*@exits@*/ void ffi_assert(/*@temp@*/ char *expr, /*@temp@*/ char *file, int line);
50void ffi_stop_here(void);
51void ffi_type_test(/*@temp@*/ /*@out@*/ ffi_type *a, /*@temp@*/ char *file, int line);
52
53#define FFI_ASSERT(x) ((x) ? (void)0 : ffi_assert(#x, __FILE__,__LINE__))
54#define FFI_ASSERT_AT(x, f, l) ((x) ? 0 : ffi_assert(#x, (f), (l)))
55#define FFI_ASSERT_VALID_TYPE(x) ffi_type_test (x, __FILE__, __LINE__)
56#else
57#define FFI_ASSERT(x)
58#define FFI_ASSERT_AT(x, f, l)
59#define FFI_ASSERT_VALID_TYPE(x)
60#endif
61
62#define ALIGN(v, a)  (((((size_t) (v))-1) | ((a)-1))+1)
63
64/* Perform machine dependent cif processing */
65ffi_status ffi_prep_cif_machdep(ffi_cif *cif);
66
67/* Extended cif, used in callback from assembly routine */
68typedef struct
69{
70  /*@dependent@*/ ffi_cif *cif;
71  /*@dependent@*/ void *rvalue;
72  /*@dependent@*/ void **avalue;
73} extended_cif;
74
75/* Terse sized type definitions.  */
76typedef unsigned int UINT8  __attribute__((__mode__(__QI__)));
77typedef signed int   SINT8  __attribute__((__mode__(__QI__)));
78typedef unsigned int UINT16 __attribute__((__mode__(__HI__)));
79typedef signed int   SINT16 __attribute__((__mode__(__HI__)));
80typedef unsigned int UINT32 __attribute__((__mode__(__SI__)));
81typedef signed int   SINT32 __attribute__((__mode__(__SI__)));
82typedef unsigned int UINT64 __attribute__((__mode__(__DI__)));
83typedef signed int   SINT64 __attribute__((__mode__(__DI__)));
84
85typedef float FLOAT32;
86
87
88#ifdef __cplusplus
89}
90#endif
91
92#endif
93
94
95