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      1 /* -----------------------------------------------------------------*-C-*-
      2    ffitarget.h - Copyright (c) 1996-2003  Red Hat, Inc.
      3    Copyright (C) 2008  Free Software Foundation, Inc.
      4 
      5    Target configuration macros for x86 and x86-64.
      6 
      7    Permission is hereby granted, free of charge, to any person obtaining
      8    a copy of this software and associated documentation files (the
      9    ``Software''), to deal in the Software without restriction, including
     10    without limitation the rights to use, copy, modify, merge, publish,
     11    distribute, sublicense, and/or sell copies of the Software, and to
     12    permit persons to whom the Software is furnished to do so, subject to
     13    the following conditions:
     14 
     15    The above copyright notice and this permission notice shall be included
     16    in all copies or substantial portions of the Software.
     17 
     18    THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
     19    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     21    NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
     22    HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     23    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     24    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     25    DEALINGS IN THE SOFTWARE.
     26 
     27    ----------------------------------------------------------------------- */
     28 
     29 #ifndef LIBFFI_TARGET_H
     30 #define LIBFFI_TARGET_H
     31 
     32 /* ---- System specific configurations ----------------------------------- */
     33 
     34 #if defined (X86_64) && defined (__i386__)
     35 #undef X86_64
     36 #define X86
     37 #endif
     38 
     39 /* ---- Generic type definitions ----------------------------------------- */
     40 
     41 #ifndef LIBFFI_ASM
     42 typedef unsigned long          ffi_arg;
     43 typedef signed long            ffi_sarg;
     44 
     45 typedef enum ffi_abi {
     46   FFI_FIRST_ABI = 0,
     47 
     48   /* ---- Intel x86 Win32 ---------- */
     49 #ifdef X86_WIN32
     50   FFI_SYSV,
     51   FFI_STDCALL,
     52   /* TODO: Add fastcall support for the sake of completeness */
     53   FFI_DEFAULT_ABI = FFI_SYSV,
     54 #endif
     55 
     56   /* ---- Intel x86 and AMD x86-64 - */
     57 #if !defined(X86_WIN32) && (defined(__i386__) || defined(__x86_64__))
     58   FFI_SYSV,
     59   FFI_UNIX64,   /* Unix variants all use the same ABI for x86-64  */
     60 #ifdef __i386__
     61   FFI_DEFAULT_ABI = FFI_SYSV,
     62 #else
     63   FFI_DEFAULT_ABI = FFI_UNIX64,
     64 #endif
     65 #endif
     66 
     67   FFI_LAST_ABI = FFI_DEFAULT_ABI + 1
     68 } ffi_abi;
     69 #endif
     70 
     71 /* ---- Definitions for closures ----------------------------------------- */
     72 
     73 #define FFI_CLOSURES 1
     74 #define FFI_TYPE_SMALL_STRUCT_1B (FFI_TYPE_LAST + 1)
     75 #define FFI_TYPE_SMALL_STRUCT_2B (FFI_TYPE_LAST + 2)
     76 
     77 #if defined (X86_64) || (defined (__x86_64__) && defined (X86_DARWIN))
     78 #define FFI_TRAMPOLINE_SIZE 24
     79 #define FFI_NATIVE_RAW_API 0
     80 #else
     81 #ifdef X86_WIN32
     82 #define FFI_TRAMPOLINE_SIZE 13
     83 #else
     84 #define FFI_TRAMPOLINE_SIZE 10
     85 #endif
     86 #define FFI_NATIVE_RAW_API 1	/* x86 has native raw api support */
     87 #endif
     88 
     89 #endif
     90 
     91