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