github.com/prattmic/llgo-embedded@v0.0.0-20150820070356-41cfecea0e1e/third_party/gofrontend/libffi/src/x86/ffitarget.h (about)

     1  /* -----------------------------------------------------------------*-C-*-
     2     ffitarget.h - Copyright (c) 2012, 2014  Anthony Green
     3                   Copyright (c) 1996-2003, 2010  Red Hat, Inc.
     4                   Copyright (C) 2008  Free Software Foundation, Inc.
     5  
     6     Target configuration macros for x86 and x86-64.
     7  
     8     Permission is hereby granted, free of charge, to any person obtaining
     9     a copy of this software and associated documentation files (the
    10     ``Software''), to deal in the Software without restriction, including
    11     without limitation the rights to use, copy, modify, merge, publish,
    12     distribute, sublicense, and/or sell copies of the Software, and to
    13     permit persons to whom the Software is furnished to do so, subject to
    14     the following conditions:
    15  
    16     The above copyright notice and this permission notice shall be included
    17     in all copies or substantial portions of the Software.
    18  
    19     THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
    20     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
    21     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
    22     NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
    23     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
    24     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    25     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
    26     DEALINGS IN THE SOFTWARE.
    27  
    28     ----------------------------------------------------------------------- */
    29  
    30  #ifndef LIBFFI_TARGET_H
    31  #define LIBFFI_TARGET_H
    32  
    33  #ifndef LIBFFI_H
    34  #error "Please do not include ffitarget.h directly into your source.  Use ffi.h instead."
    35  #endif
    36  
    37  /* ---- System specific configurations ----------------------------------- */
    38  
    39  /* For code common to all platforms on x86 and x86_64. */
    40  #define X86_ANY
    41  
    42  #if defined (X86_64) && defined (__i386__)
    43  #undef X86_64
    44  #define X86
    45  #endif
    46  
    47  #ifdef X86_WIN64
    48  #define FFI_SIZEOF_ARG 8
    49  #define USE_BUILTIN_FFS 0 /* not yet implemented in mingw-64 */
    50  #endif
    51  
    52  #define FFI_TARGET_SPECIFIC_STACK_SPACE_ALLOCATION
    53  #ifndef _MSC_VER
    54  #define FFI_TARGET_HAS_COMPLEX_TYPE
    55  #endif
    56  
    57  /* ---- Generic type definitions ----------------------------------------- */
    58  
    59  #ifndef LIBFFI_ASM
    60  #ifdef X86_WIN64
    61  #ifdef _MSC_VER
    62  typedef unsigned __int64       ffi_arg;
    63  typedef __int64                ffi_sarg;
    64  #else
    65  typedef unsigned long long     ffi_arg;
    66  typedef long long              ffi_sarg;
    67  #endif
    68  #else
    69  #if defined __x86_64__ && defined __ILP32__
    70  #define FFI_SIZEOF_ARG 8
    71  #define FFI_SIZEOF_JAVA_RAW  4
    72  typedef unsigned long long     ffi_arg;
    73  typedef long long              ffi_sarg;
    74  #else
    75  typedef unsigned long          ffi_arg;
    76  typedef signed long            ffi_sarg;
    77  #endif
    78  #endif
    79  
    80  typedef enum ffi_abi {
    81  #if defined(X86_WIN64)
    82    FFI_FIRST_ABI = 0,
    83    FFI_WIN64,
    84    FFI_LAST_ABI,
    85    FFI_DEFAULT_ABI = FFI_WIN64
    86  
    87  #elif defined(X86_64) || (defined (__x86_64__) && defined (X86_DARWIN))
    88    FFI_FIRST_ABI = 1,
    89    FFI_UNIX64,
    90    FFI_LAST_ABI,
    91    FFI_DEFAULT_ABI = FFI_UNIX64
    92  
    93  #elif defined(X86_WIN32)
    94    FFI_FIRST_ABI = 0,
    95    FFI_SYSV      = 1,
    96    FFI_STDCALL   = 2,
    97    FFI_THISCALL  = 3,
    98    FFI_FASTCALL  = 4,
    99    FFI_MS_CDECL  = 5,
   100    FFI_PASCAL    = 6,
   101    FFI_REGISTER  = 7,
   102    FFI_LAST_ABI,
   103    FFI_DEFAULT_ABI = FFI_MS_CDECL
   104  #else
   105    FFI_FIRST_ABI = 0,
   106    FFI_SYSV      = 1,
   107    FFI_THISCALL  = 3,
   108    FFI_FASTCALL  = 4,
   109    FFI_STDCALL   = 5,
   110    FFI_PASCAL    = 6,
   111    FFI_REGISTER  = 7,
   112    FFI_MS_CDECL  = 8,
   113    FFI_LAST_ABI,
   114    FFI_DEFAULT_ABI = FFI_SYSV
   115  #endif
   116  } ffi_abi;
   117  #endif
   118  
   119  /* ---- Definitions for closures ----------------------------------------- */
   120  
   121  #define FFI_CLOSURES 1
   122  #define FFI_GO_CLOSURES 1
   123  
   124  #define FFI_TYPE_SMALL_STRUCT_1B (FFI_TYPE_LAST + 1)
   125  #define FFI_TYPE_SMALL_STRUCT_2B (FFI_TYPE_LAST + 2)
   126  #define FFI_TYPE_SMALL_STRUCT_4B (FFI_TYPE_LAST + 3)
   127  #define FFI_TYPE_MS_STRUCT       (FFI_TYPE_LAST + 4)
   128  
   129  #if defined (X86_64) || defined(X86_WIN64) \
   130      || (defined (__x86_64__) && defined (X86_DARWIN))
   131  # define FFI_TRAMPOLINE_SIZE 24
   132  # define FFI_NATIVE_RAW_API 0
   133  #else
   134  # define FFI_TRAMPOLINE_SIZE 12
   135  # define FFI_NATIVE_RAW_API 1  /* x86 has native raw api support */
   136  #endif
   137  
   138  #endif
   139