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