132 lines
3.4 KiB
C
132 lines
3.4 KiB
C
/* -----------------------------------------------------------------------
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ffi_common.h - Copyright (C) 2011, 2012, 2013 Anthony Green
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Copyright (C) 2007 Free Software Foundation, Inc
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Copyright (c) 1996 Red Hat, Inc.
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Common internal definitions and macros. Only necessary for building
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libffi.
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----------------------------------------------------------------------- */
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#ifndef FFI_COMMON_H
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#define FFI_COMMON_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <fficonfig.h>
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/* Do not move this. Some versions of AIX are very picky about where
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this is positioned. */
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#ifdef __GNUC__
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# if HAVE_ALLOCA_H
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# include <alloca.h>
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# else
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/* mingw64 defines this already in malloc.h. */
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# ifndef alloca
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# define alloca __builtin_alloca
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# endif
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# endif
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# define MAYBE_UNUSED __attribute__((__unused__))
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#else
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# define MAYBE_UNUSED
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# if HAVE_ALLOCA_H
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# include <alloca.h>
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# else
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# ifdef _AIX
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# pragma alloca
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# else
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# ifndef alloca /* predefined by HP cc +Olibcalls */
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# ifdef _MSC_VER
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# define alloca _alloca
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# else
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char *alloca ();
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# endif
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# endif
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# endif
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# endif
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#endif
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/* Check for the existence of memcpy. */
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#if STDC_HEADERS
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# include <string.h>
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#else
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# ifndef HAVE_MEMCPY
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# define memcpy(d, s, n) bcopy ((s), (d), (n))
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# endif
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#endif
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#if defined(FFI_DEBUG)
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#include <stdio.h>
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#endif
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#ifdef FFI_DEBUG
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void ffi_assert(char *expr, char *file, int line);
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void ffi_stop_here(void);
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void ffi_type_test(ffi_type *a, char *file, int line);
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#define FFI_ASSERT(x) ((x) ? (void)0 : ffi_assert(#x, __FILE__,__LINE__))
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#define FFI_ASSERT_AT(x, f, l) ((x) ? 0 : ffi_assert(#x, (f), (l)))
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#define FFI_ASSERT_VALID_TYPE(x) ffi_type_test (x, __FILE__, __LINE__)
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#else
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#define FFI_ASSERT(x)
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#define FFI_ASSERT_AT(x, f, l)
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#define FFI_ASSERT_VALID_TYPE(x)
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#endif
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#define ALIGN(v, a) (((((size_t) (v))-1) | ((a)-1))+1)
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#define ALIGN_DOWN(v, a) (((size_t) (v)) & -a)
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/* Perform machine dependent cif processing */
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ffi_status ffi_prep_cif_machdep(ffi_cif *cif);
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ffi_status ffi_prep_cif_machdep_var(ffi_cif *cif,
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unsigned int nfixedargs, unsigned int ntotalargs);
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/* Extended cif, used in callback from assembly routine */
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typedef struct
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{
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ffi_cif *cif;
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void *rvalue;
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void **avalue;
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} extended_cif;
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/* Terse sized type definitions. */
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#if defined(_MSC_VER) || defined(__sgi) || defined(__SUNPRO_C)
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typedef unsigned char UINT8;
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typedef signed char SINT8;
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typedef unsigned short UINT16;
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typedef signed short SINT16;
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typedef unsigned int UINT32;
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typedef signed int SINT32;
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# ifdef _MSC_VER
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typedef unsigned __int64 UINT64;
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typedef signed __int64 SINT64;
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# else
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# include <inttypes.h>
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typedef uint64_t UINT64;
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typedef int64_t SINT64;
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# endif
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#else
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typedef unsigned int UINT8 __attribute__((__mode__(__QI__)));
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typedef signed int SINT8 __attribute__((__mode__(__QI__)));
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typedef unsigned int UINT16 __attribute__((__mode__(__HI__)));
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typedef signed int SINT16 __attribute__((__mode__(__HI__)));
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typedef unsigned int UINT32 __attribute__((__mode__(__SI__)));
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typedef signed int SINT32 __attribute__((__mode__(__SI__)));
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typedef unsigned int UINT64 __attribute__((__mode__(__DI__)));
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typedef signed int SINT64 __attribute__((__mode__(__DI__)));
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#endif
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typedef float FLOAT32;
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#ifndef __GNUC__
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#define __builtin_expect(x, expected_value) (x)
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#endif
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#define LIKELY(x) __builtin_expect(!!(x),1)
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#define UNLIKELY(x) __builtin_expect((x)!=0,0)
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#ifdef __cplusplus
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}
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#endif
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#endif
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