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      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_THISCALL,
    102   FFI_FASTCALL,
    103   FFI_STDCALL,
    104   FFI_LAST_ABI,
    105 #if defined(__i386__) || defined(__i386)
    106   FFI_DEFAULT_ABI = FFI_SYSV
    107 #else
    108   FFI_DEFAULT_ABI = FFI_UNIX64
    109 #endif
    110 #endif
    111 } ffi_abi;
    112 #endif
    113 
    114 /* ---- Definitions for closures ----------------------------------------- */
    115 
    116 #define FFI_CLOSURES 1
    117 #define FFI_TYPE_SMALL_STRUCT_1B (FFI_TYPE_LAST + 1)
    118 #define FFI_TYPE_SMALL_STRUCT_2B (FFI_TYPE_LAST + 2)
    119 #define FFI_TYPE_SMALL_STRUCT_4B (FFI_TYPE_LAST + 3)
    120 #define FFI_TYPE_MS_STRUCT       (FFI_TYPE_LAST + 4)
    121 
    122 #if defined (X86_64) || (defined (__x86_64__) && defined (X86_DARWIN))
    123 #define FFI_TRAMPOLINE_SIZE 24
    124 #define FFI_NATIVE_RAW_API 0
    125 #else
    126 #ifdef X86_WIN32
    127 #define FFI_TRAMPOLINE_SIZE 52
    128 #else
    129 #ifdef X86_WIN64
    130 #define FFI_TRAMPOLINE_SIZE 29
    131 #define FFI_NATIVE_RAW_API 0
    132 #define FFI_NO_RAW_API 1
    133 #else
    134 #define FFI_TRAMPOLINE_SIZE 10
    135 #endif
    136 #endif
    137 #ifndef X86_WIN64
    138 #define FFI_NATIVE_RAW_API 1	/* x86 has native raw api support */
    139 #endif
    140 #endif
    141 
    142 #endif
    143 
    144