libffi/src/x86/ffitarget.h

   1 /* -----------------------------------------------------------------*-C-*-
   2    ffitarget.h - Copyright (c) 2012  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 /* ---- Generic type definitions ----------------------------------------- */
  53
  54 #ifndef LIBFFI_ASM
  55 #ifdef X86_WIN64
  56 #ifdef _MSC_VER
  57 typedef unsigned __int64       ffi_arg;
  58 typedef __int64                ffi_sarg;
  59 #else
  60 typedef unsigned long long     ffi_arg;
  61 typedef long long              ffi_sarg;
  62 #endif
  63 #else
  64 #if defined __x86_64__ && defined __ILP32__
  65 #define FFI_SIZEOF_ARG 8
  66 #define FFI_SIZEOF_JAVA_RAW  4
  67 typedef unsigned long long     ffi_arg;
  68 typedef long long              ffi_sarg;
  69 #else
  70 typedef unsigned long          ffi_arg;
  71 typedef signed long            ffi_sarg;
  72 #endif
  73 #endif
  74
  75 typedef enum ffi_abi {
  76   FFI_FIRST_ABI = 0,
  77
  78   /* ---- Intel x86 Win32 ---------- */
  79 #ifdef X86_WIN32
  80   FFI_SYSV,
  81   FFI_STDCALL,
  82   FFI_THISCALL,
  83   FFI_FASTCALL,
  84   FFI_MS_CDECL,
  85   FFI_LAST_ABI,
  86 #ifdef _MSC_VER
  87   FFI_DEFAULT_ABI = FFI_MS_CDECL
  88 #else
  89   FFI_DEFAULT_ABI = FFI_SYSV
  90 #endif
  91
  92 #elif defined(X86_WIN64)
  93   FFI_WIN64,
  94   FFI_LAST_ABI,
  95   FFI_DEFAULT_ABI = FFI_WIN64
  96
  97 #else
  98   /* ---- Intel x86 and AMD x86-64 - */
  99   FFI_SYSV,
 100   FFI_UNIX64,   /* Unix variants all use the same ABI for x86-64  */
 101   FFI_LAST_ABI,
 102 #if defined(__i386__) || defined(__i386)
 103   FFI_DEFAULT_ABI = FFI_SYSV
 104 #else
 105   FFI_DEFAULT_ABI = FFI_UNIX64
 106 #endif
 107 #endif
 108 } ffi_abi;
 109 #endif
 110
 111 /* ---- Definitions for closures ----------------------------------------- */
 112
 113 #define FFI_CLOSURES 1
 114 #define FFI_TYPE_SMALL_STRUCT_1B (FFI_TYPE_LAST + 1)
 115 #define FFI_TYPE_SMALL_STRUCT_2B (FFI_TYPE_LAST + 2)
 116 #define FFI_TYPE_SMALL_STRUCT_4B (FFI_TYPE_LAST + 3)
 117 #define FFI_TYPE_MS_STRUCT       (FFI_TYPE_LAST + 4)
 118
 119 #if defined (X86_64) || (defined (__x86_64__) && defined (X86_DARWIN))
 120 #define FFI_TRAMPOLINE_SIZE 24
 121 #define FFI_NATIVE_RAW_API 0
 122 #else
 123 #ifdef X86_WIN32
 124 #define FFI_TRAMPOLINE_SIZE 52
 125 #else
 126 #ifdef X86_WIN64
 127 #define FFI_TRAMPOLINE_SIZE 29
 128 #define FFI_NATIVE_RAW_API 0
 129 #define FFI_NO_RAW_API 1
 130 #else
 131 #define FFI_TRAMPOLINE_SIZE 10
 132 #endif
 133 #endif
 134 #ifndef X86_WIN64
 135 #define FFI_NATIVE_RAW_API 1    /* x86 has native raw api support */
 136 #endif
 137 #endif
 138
 139 #endif
 140