libffi/src/x86/ffitarget.h

   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
  54 #if !defined(_MSC_VER) && !defined(X86_DARWIN) && !defined(X86_64_DARWIN)
  55 #define FFI_TARGET_HAS_COMPLEX_TYPE
  56 #endif
  57
  58 /* ---- Generic type definitions ----------------------------------------- */
  59
  60 #ifndef LIBFFI_ASM
  61 #ifdef X86_WIN64
  62 #ifdef _MSC_VER
  63 typedef unsigned __int64       ffi_arg;
  64 typedef __int64                ffi_sarg;
  65 #else
  66 typedef unsigned long long     ffi_arg;
  67 typedef long long              ffi_sarg;
  68 #endif
  69 #else
  70 #if defined __x86_64__ && defined __ILP32__
  71 #define FFI_SIZEOF_ARG 8
  72 #define FFI_SIZEOF_JAVA_RAW  4
  73 typedef unsigned long long     ffi_arg;
  74 typedef long long              ffi_sarg;
  75 #else
  76 typedef unsigned long          ffi_arg;
  77 typedef signed long            ffi_sarg;
  78 #endif
  79 #endif
  80
  81 typedef enum ffi_abi {
  82 #if defined(X86_WIN64)
  83   FFI_FIRST_ABI = 0,
  84   FFI_WIN64,
  85   FFI_LAST_ABI,
  86   FFI_DEFAULT_ABI = FFI_WIN64
  87
  88 #elif defined(X86_64) || defined(X86_64_DARWIN)
  89   FFI_FIRST_ABI = 1,
  90   FFI_UNIX64,
  91   FFI_LAST_ABI,
  92   FFI_DEFAULT_ABI = FFI_UNIX64
  93
  94 #elif defined(X86_WIN32)
  95   FFI_FIRST_ABI = 0,
  96   FFI_SYSV      = 1,
  97   FFI_STDCALL   = 2,
  98   FFI_THISCALL  = 3,
  99   FFI_FASTCALL  = 4,
 100   FFI_MS_CDECL  = 5,
 101   FFI_PASCAL    = 6,
 102   FFI_REGISTER  = 7,
 103   FFI_LAST_ABI,
 104   FFI_DEFAULT_ABI = FFI_MS_CDECL
 105 #else
 106   FFI_FIRST_ABI = 0,
 107   FFI_SYSV      = 1,
 108   FFI_THISCALL  = 3,
 109   FFI_FASTCALL  = 4,
 110   FFI_STDCALL   = 5,
 111   FFI_PASCAL    = 6,
 112   FFI_REGISTER  = 7,
 113   FFI_MS_CDECL  = 8,
 114   FFI_LAST_ABI,
 115   FFI_DEFAULT_ABI = FFI_SYSV
 116 #endif
 117 } ffi_abi;
 118 #endif
 119
 120 /* ---- Definitions for closures ----------------------------------------- */
 121
 122 #define FFI_CLOSURES 1
 123
 124 #if !defined(X86_DARWIN) && !defined(X86_64_DARWIN)
 125 #define FFI_GO_CLOSURES 1
 126 #endif
 127
 128 #define FFI_TYPE_SMALL_STRUCT_1B (FFI_TYPE_LAST + 1)
 129 #define FFI_TYPE_SMALL_STRUCT_2B (FFI_TYPE_LAST + 2)
 130 #define FFI_TYPE_SMALL_STRUCT_4B (FFI_TYPE_LAST + 3)
 131 #define FFI_TYPE_MS_STRUCT       (FFI_TYPE_LAST + 4)
 132
 133 #if defined (X86_64) || defined(X86_WIN64) || defined(X86_64_DARWIN)
 134 # define FFI_TRAMPOLINE_SIZE 24
 135 # define FFI_NATIVE_RAW_API 0
 136 #else
 137 # define FFI_TRAMPOLINE_SIZE 12
 138 # define FFI_NATIVE_RAW_API 1  /* x86 has native raw api support */
 139 #endif
 140
 141 #endif
 142