1/* -----------------------------------------------------------------*-C-*-
2 ffitarget.h - Copyright (c) 2012, 2014 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#define FFI_TARGET_SPECIFIC_STACK_SPACE_ALLOCATION
53#define FFI_TARGET_HAS_COMPLEX_TYPE
54
55/* ---- Generic type definitions ----------------------------------------- */
56
57#ifndef LIBFFI_ASM
58#ifdef X86_WIN64
59#ifdef _MSC_VER
60typedef unsigned __int64 ffi_arg;
61typedef __int64 ffi_sarg;
62#else
63typedef unsigned long long ffi_arg;
64typedef long long ffi_sarg;
65#endif
66#else
67#if defined __x86_64__ && defined __ILP32__
68#define FFI_SIZEOF_ARG 8
69#define FFI_SIZEOF_JAVA_RAW 4
70typedef unsigned long long ffi_arg;
71typedef long long ffi_sarg;
72#else
73typedef unsigned long ffi_arg;
74typedef signed long ffi_sarg;
75#endif
76#endif
77
78typedef enum ffi_abi {
79 FFI_FIRST_ABI = 0,
80
81 /* ---- Intel x86 Win32 ---------- */
82#ifdef X86_WIN32
83 FFI_SYSV,
84 FFI_STDCALL,
85 FFI_THISCALL,
86 FFI_FASTCALL,
87 FFI_MS_CDECL,
88 FFI_PASCAL,
89 FFI_REGISTER,
90 FFI_LAST_ABI,
91#ifdef _MSC_VER
92 FFI_DEFAULT_ABI = FFI_MS_CDECL
93#else
94 FFI_DEFAULT_ABI = FFI_SYSV
95#endif
96
97#elif defined(X86_WIN64)
98 FFI_WIN64,
99 FFI_LAST_ABI,
100 FFI_DEFAULT_ABI = FFI_WIN64
101
102#else
103 /* ---- Intel x86 and AMD x86-64 - */
104 FFI_SYSV,
105 FFI_UNIX64, /* Unix variants all use the same ABI for x86-64 */
106 FFI_THISCALL,
107 FFI_FASTCALL,
108 FFI_STDCALL,
109 FFI_PASCAL,
110 FFI_REGISTER,
111 FFI_LAST_ABI,
112#if defined(__i386__) || defined(__i386)
113 FFI_DEFAULT_ABI = FFI_SYSV
114#else
115 FFI_DEFAULT_ABI = FFI_UNIX64
116#endif
117#endif
118} ffi_abi;
119#endif
120
121/* ---- Definitions for closures ----------------------------------------- */
122
123#define FFI_CLOSURES 1
124#define FFI_TYPE_SMALL_STRUCT_1B (FFI_TYPE_LAST + 1)
125#define FFI_TYPE_SMALL_STRUCT_2B (FFI_TYPE_LAST + 2)
126#define FFI_TYPE_SMALL_STRUCT_4B (FFI_TYPE_LAST + 3)
127#define FFI_TYPE_MS_STRUCT (FFI_TYPE_LAST + 4)
128
129#if defined (X86_64) || (defined (__x86_64__) && defined (X86_DARWIN))
130#define FFI_TRAMPOLINE_SIZE 24
131#define FFI_NATIVE_RAW_API 0
132#else
133#ifdef X86_WIN32
134#define FFI_TRAMPOLINE_SIZE 52
135#else
136#ifdef X86_WIN64
137#define FFI_TRAMPOLINE_SIZE 29
138#define FFI_NATIVE_RAW_API 0
139#define FFI_NO_RAW_API 1
140#else
141#define FFI_TRAMPOLINE_SIZE 10
142#endif
143#endif
144#ifndef X86_WIN64
145#define FFI_NATIVE_RAW_API 1 /* x86 has native raw api support */
146#endif
147#endif
148
149#endif
150
151