1 /* -----------------------------------------------------------------*-C-*-
2    ffitarget.h - Copyright (c) 2012, 2014, 2018  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 #ifndef _MSC_VER
54 #define FFI_TARGET_HAS_COMPLEX_TYPE
55 #endif
56 
57 /* ---- Generic type definitions ----------------------------------------- */
58 
59 #ifndef LIBFFI_ASM
60 #ifdef X86_WIN64
61 #ifdef _MSC_VER
62 typedef unsigned __int64       ffi_arg;
63 typedef __int64                ffi_sarg;
64 #else
65 typedef unsigned long long     ffi_arg;
66 typedef long long              ffi_sarg;
67 #endif
68 #else
69 #if defined __x86_64__ && defined __ILP32__
70 #define FFI_SIZEOF_ARG 8
71 #define FFI_SIZEOF_JAVA_RAW  4
72 typedef unsigned long long     ffi_arg;
73 typedef long long              ffi_sarg;
74 #else
75 typedef unsigned long          ffi_arg;
76 typedef signed long            ffi_sarg;
77 #endif
78 #endif
79 
80 typedef enum ffi_abi {
81 #if defined(X86_WIN64)
82   FFI_FIRST_ABI = 0,
83   FFI_WIN64,            /* sizeof(long double) == 8  - microsoft compilers */
84   FFI_GNUW64,           /* sizeof(long double) == 16 - GNU compilers */
85   FFI_LAST_ABI,
86 #ifdef __GNUC__
87   FFI_DEFAULT_ABI = FFI_GNUW64
88 #else
89   FFI_DEFAULT_ABI = FFI_WIN64
90 #endif
91 
92 #elif defined(X86_64) || (defined (__x86_64__) && defined (X86_DARWIN))
93   FFI_FIRST_ABI = 1,
94   FFI_UNIX64,
95   FFI_WIN64,
96   FFI_EFI64 = FFI_WIN64,
97   FFI_GNUW64,
98   FFI_LAST_ABI,
99   FFI_DEFAULT_ABI = FFI_UNIX64
100 
101 #elif defined(X86_WIN32)
102   FFI_FIRST_ABI = 0,
103   FFI_SYSV      = 1,
104   FFI_STDCALL   = 2,
105   FFI_THISCALL  = 3,
106   FFI_FASTCALL  = 4,
107   FFI_MS_CDECL  = 5,
108   FFI_PASCAL    = 6,
109   FFI_REGISTER  = 7,
110   FFI_LAST_ABI,
111   FFI_DEFAULT_ABI = FFI_MS_CDECL
112 #else
113   FFI_FIRST_ABI = 0,
114   FFI_SYSV      = 1,
115   FFI_THISCALL  = 3,
116   FFI_FASTCALL  = 4,
117   FFI_STDCALL   = 5,
118   FFI_PASCAL    = 6,
119   FFI_REGISTER  = 7,
120   FFI_MS_CDECL  = 8,
121   FFI_LAST_ABI,
122   FFI_DEFAULT_ABI = FFI_SYSV
123 #endif
124 } ffi_abi;
125 #endif
126 
127 /* ---- Definitions for closures ----------------------------------------- */
128 
129 #define FFI_CLOSURES 1
130 #define FFI_GO_CLOSURES 1
131 
132 #define FFI_TYPE_SMALL_STRUCT_1B (FFI_TYPE_LAST + 1)
133 #define FFI_TYPE_SMALL_STRUCT_2B (FFI_TYPE_LAST + 2)
134 #define FFI_TYPE_SMALL_STRUCT_4B (FFI_TYPE_LAST + 3)
135 #define FFI_TYPE_MS_STRUCT       (FFI_TYPE_LAST + 4)
136 
137 #if defined (X86_64) || defined(X86_WIN64) \
138     || (defined (__x86_64__) && defined (X86_DARWIN))
139 # define FFI_TRAMPOLINE_SIZE 24
140 # define FFI_NATIVE_RAW_API 0
141 #else
142 # define FFI_TRAMPOLINE_SIZE 12
143 # define FFI_NATIVE_RAW_API 1  /* x86 has native raw api support */
144 #endif
145 
146 #endif
147 
148