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 12 extern "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 */ 29 char *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); 50 void ffi_stop_here(void); 51 void 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 */ 65 ffi_status ffi_prep_cif_machdep(ffi_cif *cif); 66 67 /* Extended cif, used in callback from assembly routine */ 68 typedef struct 69 { 70 /*@dependent@*/ ffi_cif *cif; 71 /*@dependent@*/ void *rvalue; 72 /*@dependent@*/ void **avalue; 73 } extended_cif; 74 75 /* Terse sized type definitions. */ 76 #if defined(__GNUC__) 77 78 typedef unsigned int UINT8 __attribute__((__mode__(__QI__))); 79 typedef signed int SINT8 __attribute__((__mode__(__QI__))); 80 typedef unsigned int UINT16 __attribute__((__mode__(__HI__))); 81 typedef signed int SINT16 __attribute__((__mode__(__HI__))); 82 typedef unsigned int UINT32 __attribute__((__mode__(__SI__))); 83 typedef signed int SINT32 __attribute__((__mode__(__SI__))); 84 typedef unsigned int UINT64 __attribute__((__mode__(__DI__))); 85 typedef signed int SINT64 __attribute__((__mode__(__DI__))); 86 87 #elif defined(_MSC_VER) 88 89 typedef unsigned __int8 UINT8; 90 typedef signed __int8 SINT8; 91 typedef unsigned __int16 UINT16; 92 typedef signed __int16 SINT16; 93 typedef unsigned __int32 UINT32; 94 typedef signed __int32 SINT32; 95 typedef unsigned __int64 UINT64; 96 typedef signed __int64 SINT64; 97 98 #else 99 #error "Need typedefs here" 100 #endif 101 102 typedef float FLOAT32; 103 104 105 #ifdef __cplusplus 106 } 107 #endif 108 109 #endif 110 111 112
