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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/openj9
 Path: blob/master/runtime/include/ffi_common.h
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/* -----------------------------------------------------------------------

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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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/*

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 * ===========================================================================

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 * Copyright (c) 2021, 2021 IBM Corp. and others

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 * ===========================================================================

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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 __THW_370__

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#include <stdlib.h>

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#else

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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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#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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/* v cast to size_t and aligned up to a multiple of a */

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#define FFI_ALIGN  ALIGN

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/* v cast to size_t and aligned down to a multiple of a */

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#define FFI_ALIGN_DOWN  ALIGN_DOWN

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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) || defined(__THW_370__)

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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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#if !defined(__GNUC__) || !defined(__THW_370__)

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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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