ffitarget.h revision 8c63892438fbb7ef754e55c60220dd02e7c8fd70 
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
42typedef unsigned long          ffi_arg;
43typedef signed long            ffi_sarg;
44
45typedef 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