From 2ea3addd3001ed339f0f0600d5c8845aa15d962e Mon Sep 17 00:00:00 2001 From: "vivian, zhang" Date: Sun, 3 Jun 2012 11:36:11 +0800 Subject: Initial import package libffi: A portable foreign function interface library --- include/ffi_common.h | 122 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 122 insertions(+) create mode 100644 include/ffi_common.h (limited to 'include/ffi_common.h') diff --git a/include/ffi_common.h b/include/ffi_common.h new file mode 100644 index 0000000..42cace9 --- /dev/null +++ b/include/ffi_common.h @@ -0,0 +1,122 @@ +/* ----------------------------------------------------------------------- + ffi_common.h - Copyright (c) 1996 Red Hat, Inc. + Copyright (C) 2007 Free Software Foundation, Inc + + Common internal definitions and macros. Only necessary for building + libffi. + ----------------------------------------------------------------------- */ + +#ifndef FFI_COMMON_H +#define FFI_COMMON_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +/* Do not move this. Some versions of AIX are very picky about where + this is positioned. */ +#ifdef __GNUC__ +/* mingw64 defines this already in malloc.h. */ +#ifndef alloca +# define alloca __builtin_alloca +#endif +# define MAYBE_UNUSED __attribute__((__unused__)) +#else +# define MAYBE_UNUSED +# if HAVE_ALLOCA_H +# include +# else +# ifdef _AIX + #pragma alloca +# else +# ifndef alloca /* predefined by HP cc +Olibcalls */ +# ifdef _MSC_VER +# define alloca _alloca +# else +char *alloca (); +# endif +# endif +# endif +# endif +#endif + +/* Check for the existence of memcpy. */ +#if STDC_HEADERS +# include +#else +# ifndef HAVE_MEMCPY +# define memcpy(d, s, n) bcopy ((s), (d), (n)) +# endif +#endif + +#if defined(FFI_DEBUG) +#include +#endif + +#ifdef FFI_DEBUG +void ffi_assert(char *expr, char *file, int line); +void ffi_stop_here(void); +void ffi_type_test(ffi_type *a, char *file, int line); + +#define FFI_ASSERT(x) ((x) ? (void)0 : ffi_assert(#x, __FILE__,__LINE__)) +#define FFI_ASSERT_AT(x, f, l) ((x) ? 0 : ffi_assert(#x, (f), (l))) +#define FFI_ASSERT_VALID_TYPE(x) ffi_type_test (x, __FILE__, __LINE__) +#else +#define FFI_ASSERT(x) +#define FFI_ASSERT_AT(x, f, l) +#define FFI_ASSERT_VALID_TYPE(x) +#endif + +#define ALIGN(v, a) (((((size_t) (v))-1) | ((a)-1))+1) +#define ALIGN_DOWN(v, a) (((size_t) (v)) & -a) + +/* Perform machine dependent cif processing */ +ffi_status ffi_prep_cif_machdep(ffi_cif *cif); + +/* Extended cif, used in callback from assembly routine */ +typedef struct +{ + ffi_cif *cif; + void *rvalue; + void **avalue; +} extended_cif; + +/* Terse sized type definitions. */ +#if defined(_MSC_VER) || defined(__sgi) +typedef unsigned char UINT8; +typedef signed char SINT8; +typedef unsigned short UINT16; +typedef signed short SINT16; +typedef unsigned int UINT32; +typedef signed int SINT32; +# ifdef _MSC_VER +typedef unsigned __int64 UINT64; +typedef signed __int64 SINT64; +# else +# include +typedef uint64_t UINT64; +typedef int64_t SINT64; +# endif +#else +typedef unsigned int UINT8 __attribute__((__mode__(__QI__))); +typedef signed int SINT8 __attribute__((__mode__(__QI__))); +typedef unsigned int UINT16 __attribute__((__mode__(__HI__))); +typedef signed int SINT16 __attribute__((__mode__(__HI__))); +typedef unsigned int UINT32 __attribute__((__mode__(__SI__))); +typedef signed int SINT32 __attribute__((__mode__(__SI__))); +typedef unsigned int UINT64 __attribute__((__mode__(__DI__))); +typedef signed int SINT64 __attribute__((__mode__(__DI__))); +#endif + +typedef float FLOAT32; + + +#ifdef __cplusplus +} +#endif + +#endif + + -- cgit v1.2.3