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 #include <stdio.h> 50 51 /*@exits@*/ void 52 ffi_assert( 53 /*@temp@*/ char* expr, 54 /*@temp@*/ char* file, 55 int line); 56 void 57 ffi_stop_here(void); 58 void 59 ffi_type_test( 60 /*@temp@*/ /*@out@*/ ffi_type* a, 61 /*@temp@*/ char* file, 62 int line); 63 64 # define FFI_ASSERT(x) ((x) ? (void)0 : ffi_assert(#x, __FILE__,__LINE__)) 65 # define FFI_ASSERT_AT(x, f, l) ((x) ? 0 : ffi_assert(#x, (f), (l))) 66 # define FFI_ASSERT_VALID_TYPE(x) ffi_type_test(x, __FILE__, __LINE__) 67 #else 68 # define FFI_ASSERT(x) 69 # define FFI_ASSERT_AT(x, f, l) 70 # define FFI_ASSERT_VALID_TYPE(x) 71 #endif // #ifdef FFI_DEBUG 72 73 #define ALIGN(v, a) (((size_t)(v) + (a) - 1) & ~((a) - 1)) 74 75 /* Perform machine dependent cif processing */ 76 ffi_status 77 ffi_prep_cif_machdep( 78 ffi_cif* cif); 79 80 /* Extended cif, used in callback from assembly routine */ 81 typedef struct extended_cif { 82 /*@dependent@*/ ffi_cif* cif; 83 /*@dependent@*/ void* rvalue; 84 /*@dependent@*/ void** avalue; 85 } extended_cif; 86 87 /* Terse sized type definitions. */ 88 typedef unsigned int UINT8 __attribute__((__mode__(__QI__))); 89 typedef signed int SINT8 __attribute__((__mode__(__QI__))); 90 typedef unsigned int UINT16 __attribute__((__mode__(__HI__))); 91 typedef signed int SINT16 __attribute__((__mode__(__HI__))); 92 typedef unsigned int UINT32 __attribute__((__mode__(__SI__))); 93 typedef signed int SINT32 __attribute__((__mode__(__SI__))); 94 typedef unsigned int UINT64 __attribute__((__mode__(__DI__))); 95 typedef signed int SINT64 __attribute__((__mode__(__DI__))); 96 typedef float FLOAT32; 97 98 #ifdef __cplusplus 99 } 100 #endif 101 102 #endif // #ifndef FFI_COMMON_H