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 
54 #if !defined(_MSC_VER) && !defined(X86_DARWIN) && !defined(X86_64_DARWIN)
55 #define FFI_TARGET_HAS_COMPLEX_TYPE
56 #endif
57 
58 /* ---- Generic type definitions ----------------------------------------- */
59 
60 #ifndef LIBFFI_ASM
61 #ifdef X86_WIN64
62 #ifdef _MSC_VER
63 typedef unsigned __int64       ffi_arg;
64 typedef __int64                ffi_sarg;
65 #else
66 typedef unsigned long long     ffi_arg;
67 typedef long long              ffi_sarg;
68 #endif
69 #else
70 #if defined __x86_64__ && defined __ILP32__
71 #define FFI_SIZEOF_ARG 8
72 #define FFI_SIZEOF_JAVA_RAW  4
73 typedef unsigned long long     ffi_arg;
74 typedef long long              ffi_sarg;
75 #else
76 typedef unsigned long          ffi_arg;
77 typedef signed long            ffi_sarg;
78 #endif
79 #endif
80 
81 typedef enum ffi_abi {
82 #if defined(X86_WIN64)
83   FFI_FIRST_ABI = 0,
84   FFI_WIN64,
85   FFI_LAST_ABI,
86   FFI_DEFAULT_ABI = FFI_WIN64
87 
88 #elif defined(X86_64) || defined(X86_64_DARWIN)
89   FFI_FIRST_ABI = 1,
90   FFI_UNIX64,
91   FFI_LAST_ABI,
92   FFI_DEFAULT_ABI = FFI_UNIX64
93 
94 #elif defined(X86_WIN32)
95   FFI_FIRST_ABI = 0,
96   FFI_SYSV      = 1,
97   FFI_STDCALL   = 2,
98   FFI_THISCALL  = 3,
99   FFI_FASTCALL  = 4,
100   FFI_MS_CDECL  = 5,
101   FFI_PASCAL    = 6,
102   FFI_REGISTER  = 7,
103   FFI_LAST_ABI,
104   FFI_DEFAULT_ABI = FFI_MS_CDECL
105 #else
106   FFI_FIRST_ABI = 0,
107   FFI_SYSV      = 1,
108   FFI_THISCALL  = 3,
109   FFI_FASTCALL  = 4,
110   FFI_STDCALL   = 5,
111   FFI_PASCAL    = 6,
112   FFI_REGISTER  = 7,
113   FFI_MS_CDECL  = 8,
114   FFI_LAST_ABI,
115   FFI_DEFAULT_ABI = FFI_SYSV
116 #endif
117 } ffi_abi;
118 #endif
119 
120 /* ---- Definitions for closures ----------------------------------------- */
121 
122 #define FFI_CLOSURES 1
123 
124 #if !defined(X86_DARWIN) && !defined(X86_64_DARWIN)
125 #define FFI_GO_CLOSURES 1
126 #endif
127 
128 #define FFI_TYPE_SMALL_STRUCT_1B (FFI_TYPE_LAST + 1)
129 #define FFI_TYPE_SMALL_STRUCT_2B (FFI_TYPE_LAST + 2)
130 #define FFI_TYPE_SMALL_STRUCT_4B (FFI_TYPE_LAST + 3)
131 #define FFI_TYPE_MS_STRUCT       (FFI_TYPE_LAST + 4)
132 
133 #if defined (X86_64) || defined(X86_WIN64) || defined(X86_64_DARWIN)
134 # define FFI_TRAMPOLINE_SIZE 24
135 # define FFI_NATIVE_RAW_API 0
136 #else
137 # define FFI_TRAMPOLINE_SIZE 12
138 # define FFI_NATIVE_RAW_API 1  /* x86 has native raw api support */
139 #endif
140 
141 #endif
142 
143