github.com/prattmic/llgo-embedded@v0.0.0-20150820070356-41cfecea0e1e/third_party/gofrontend/libffi/include/ffi_common.h (about)

     1  /* -----------------------------------------------------------------------
     2     ffi_common.h - Copyright (C) 2011, 2012, 2013  Anthony Green
     3                    Copyright (C) 2007  Free Software Foundation, Inc
     4                    Copyright (c) 1996  Red Hat, Inc.
     5                    
     6     Common internal definitions and macros. Only necessary for building
     7     libffi.
     8     ----------------------------------------------------------------------- */
     9  
    10  #ifndef FFI_COMMON_H
    11  #define FFI_COMMON_H
    12  
    13  #ifdef __cplusplus
    14  extern "C" {
    15  #endif
    16  
    17  #include <fficonfig.h>
    18  
    19  /* Do not move this. Some versions of AIX are very picky about where
    20     this is positioned. */
    21  #ifdef __GNUC__
    22  # if HAVE_ALLOCA_H
    23  #  include <alloca.h>
    24  # else
    25    /* mingw64 defines this already in malloc.h. */
    26  #  ifndef alloca
    27  #    define alloca __builtin_alloca
    28  #  endif
    29  # endif
    30  # define MAYBE_UNUSED __attribute__((__unused__))
    31  #else
    32  # define MAYBE_UNUSED
    33  # if HAVE_ALLOCA_H
    34  #  include <alloca.h>
    35  # else
    36  #  ifdef _AIX
    37  #   pragma alloca
    38  #  else
    39  #   ifndef alloca /* predefined by HP cc +Olibcalls */
    40  #    ifdef _MSC_VER
    41  #     define alloca _alloca
    42  #    else
    43  char *alloca ();
    44  #   endif
    45  #  endif
    46  # endif
    47  # endif
    48  #endif
    49  
    50  /* Check for the existence of memcpy. */
    51  #if STDC_HEADERS
    52  # include <string.h>
    53  #else
    54  # ifndef HAVE_MEMCPY
    55  #  define memcpy(d, s, n) bcopy ((s), (d), (n))
    56  # endif
    57  #endif
    58  
    59  #if defined(FFI_DEBUG)
    60  #include <stdio.h>
    61  #endif
    62  
    63  #ifdef FFI_DEBUG
    64  void ffi_assert(char *expr, char *file, int line);
    65  void ffi_stop_here(void);
    66  void ffi_type_test(ffi_type *a, char *file, int line);
    67  
    68  #define FFI_ASSERT(x) ((x) ? (void)0 : ffi_assert(#x, __FILE__,__LINE__))
    69  #define FFI_ASSERT_AT(x, f, l) ((x) ? 0 : ffi_assert(#x, (f), (l)))
    70  #define FFI_ASSERT_VALID_TYPE(x) ffi_type_test (x, __FILE__, __LINE__)
    71  #else
    72  #define FFI_ASSERT(x)
    73  #define FFI_ASSERT_AT(x, f, l)
    74  #define FFI_ASSERT_VALID_TYPE(x)
    75  #endif
    76  
    77  #define ALIGN(v, a)  (((((size_t) (v))-1) | ((a)-1))+1)
    78  #define ALIGN_DOWN(v, a) (((size_t) (v)) & -a)
    79  
    80  /* Perform machine dependent cif processing */
    81  ffi_status ffi_prep_cif_machdep(ffi_cif *cif);
    82  ffi_status ffi_prep_cif_machdep_var(ffi_cif *cif,
    83  	 unsigned int nfixedargs, unsigned int ntotalargs);
    84  
    85  /* Extended cif, used in callback from assembly routine */
    86  typedef struct
    87  {
    88    ffi_cif *cif;
    89    void *rvalue;
    90    void **avalue;
    91  } extended_cif;
    92  
    93  /* Terse sized type definitions.  */
    94  #if defined(_MSC_VER) || defined(__sgi) || defined(__SUNPRO_C)
    95  typedef unsigned char UINT8;
    96  typedef signed char   SINT8;
    97  typedef unsigned short UINT16;
    98  typedef signed short   SINT16;
    99  typedef unsigned int UINT32;
   100  typedef signed int   SINT32;
   101  # ifdef _MSC_VER
   102  typedef unsigned __int64 UINT64;
   103  typedef signed __int64   SINT64;
   104  # else
   105  # include <inttypes.h>
   106  typedef uint64_t UINT64;
   107  typedef int64_t  SINT64;
   108  # endif
   109  #else
   110  typedef unsigned int UINT8  __attribute__((__mode__(__QI__)));
   111  typedef signed int   SINT8  __attribute__((__mode__(__QI__)));
   112  typedef unsigned int UINT16 __attribute__((__mode__(__HI__)));
   113  typedef signed int   SINT16 __attribute__((__mode__(__HI__)));
   114  typedef unsigned int UINT32 __attribute__((__mode__(__SI__)));
   115  typedef signed int   SINT32 __attribute__((__mode__(__SI__)));
   116  typedef unsigned int UINT64 __attribute__((__mode__(__DI__)));
   117  typedef signed int   SINT64 __attribute__((__mode__(__DI__)));
   118  #endif
   119  
   120  typedef float FLOAT32;
   121  
   122  #ifndef __GNUC__
   123  #define __builtin_expect(x, expected_value) (x)
   124  #endif
   125  #define LIKELY(x)    __builtin_expect(!!(x),1)
   126  #define UNLIKELY(x)  __builtin_expect((x)!=0,0)
   127  
   128  #ifdef __cplusplus
   129  }
   130  #endif
   131  
   132  #endif