1 /* ----------------------------------------------------------------------- 2 ffi_common.h - Copyright (c) 1996 Red Hat, Inc. 3 Copyright (C) 2007 Free Software Foundation, Inc 4 5 Common internal definitions and macros. Only necessary for building 6 libffi. 7 ----------------------------------------------------------------------- */ 8 9 #ifndef FFI_COMMON_H 10 #define FFI_COMMON_H 11 12 #ifdef __cplusplus 13 extern "C" { 14 #endif 15 16 #include <fficonfig.h> 17 18 /* Do not move this. Some versions of AIX are very picky about where 19 this is positioned. */ 20 #ifdef __GNUC__ 21 //# define alloca __builtin_alloca /* ANDROID removed, clashes w/bionic */ 22 # include <alloca.h> /* ANDROID added */ 23 # define MAYBE_UNUSED __attribute__((__unused__)) 24 #else 25 # define MAYBE_UNUSED 26 # if HAVE_ALLOCA_H 27 # include <alloca.h> 28 # else 29 # ifdef _AIX 30 #pragma alloca 31 # else 32 # ifndef alloca /* predefined by HP cc +Olibcalls */ 33 char *alloca (); 34 # endif 35 # endif 36 # endif 37 #endif 38 39 /* Check for the existence of memcpy. */ 40 #if STDC_HEADERS 41 # include <string.h> 42 #else 43 # ifndef HAVE_MEMCPY 44 # define memcpy(d, s, n) bcopy ((s), (d), (n)) 45 # endif 46 #endif 47 48 #if defined(FFI_DEBUG) 49 #include <stdio.h> 50 #endif 51 52 #ifdef FFI_DEBUG 53 void ffi_assert(char *expr, char *file, int line); 54 void ffi_stop_here(void); 55 void ffi_type_test(ffi_type *a, char *file, int line); 56 57 #define FFI_ASSERT(x) ((x) ? (void)0 : ffi_assert(#x, __FILE__,__LINE__)) 58 #define FFI_ASSERT_AT(x, f, l) ((x) ? 0 : ffi_assert(#x, (f), (l))) 59 #define FFI_ASSERT_VALID_TYPE(x) ffi_type_test (x, __FILE__, __LINE__) 60 #else 61 #define FFI_ASSERT(x) 62 #define FFI_ASSERT_AT(x, f, l) 63 #define FFI_ASSERT_VALID_TYPE(x) 64 #endif 65 66 #define ALIGN(v, a) (((((size_t) (v))-1) | ((a)-1))+1) 67 #define ALIGN_DOWN(v, a) (((size_t) (v)) & -a) 68 69 /* Perform machine dependent cif processing */ 70 ffi_status ffi_prep_cif_machdep(ffi_cif *cif); 71 72 /* Extended cif, used in callback from assembly routine */ 73 typedef struct 74 { 75 ffi_cif *cif; 76 void *rvalue; 77 void **avalue; 78 } extended_cif; 79 80 /* Terse sized type definitions. */ 81 typedef unsigned int UINT8 __attribute__((__mode__(__QI__))); 82 typedef signed int SINT8 __attribute__((__mode__(__QI__))); 83 typedef unsigned int UINT16 __attribute__((__mode__(__HI__))); 84 typedef signed int SINT16 __attribute__((__mode__(__HI__))); 85 typedef unsigned int UINT32 __attribute__((__mode__(__SI__))); 86 typedef signed int SINT32 __attribute__((__mode__(__SI__))); 87 typedef unsigned int UINT64 __attribute__((__mode__(__DI__))); 88 typedef signed int SINT64 __attribute__((__mode__(__DI__))); 89 90 typedef float FLOAT32; 91 92 93 #ifdef __cplusplus 94 } 95 #endif 96 97 #endif 98 99 100
