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