OSDN Git Service

2008-04-25 Kai Tietz <kai.tietz@onevision.com>
[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / mingw32.h
1 /* Operating system specific defines to be used when targeting GCC for
2    hosting on Windows32, using GNU tools and the Windows32 API Library.
3    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007
4    Free Software Foundation, Inc.
5
6 This file is part of GCC.
7
8 GCC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3, or (at your option)
11 any later version.
12
13 GCC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with GCC; see the file COPYING3.  If not see
20 <http://www.gnu.org/licenses/>.  */
21
22 #undef TARGET_VERSION
23 #if TARGET_64BIT_DEFAULT
24 #define TARGET_VERSION fprintf (stderr,"(x86_64 MinGW");
25 #else
26 #define TARGET_VERSION fprintf (stderr," (x86 MinGW)");
27 #endif
28
29 /* See i386/crtdll.h for an alternative definition. _INTEGRAL_MAX_BITS
30    is for compatibility with native compiler.  */
31 #define EXTRA_OS_CPP_BUILTINS()                                 \
32   do                                                            \
33     {                                                           \
34       builtin_define ("__MSVCRT__");                            \
35       builtin_define ("__MINGW32__");                           \
36       builtin_define ("_WIN32");                                \
37       builtin_define_std ("WIN32");                             \
38       builtin_define_std ("WINNT");                             \
39       builtin_define_with_int_value ("_INTEGRAL_MAX_BITS",      \
40                                      TYPE_PRECISION (intmax_type_node));\
41       if (TARGET_64BIT_MS_ABI)                                  \
42         {                                                       \
43           builtin_define ("__MINGW64__");                       \
44           builtin_define_std ("WIN64");                         \
45           builtin_define_std ("_WIN64");                        \
46         }                                                       \
47     }                                                           \
48   while (0)
49
50 /* Override the standard choice of /usr/include as the default prefix
51    to try when searching for header files.  */
52 #undef STANDARD_INCLUDE_DIR
53 #if TARGET_64BIT_DEFAULT
54 #define STANDARD_INCLUDE_DIR "/mingw/include64"
55 #else
56 #define STANDARD_INCLUDE_DIR "/mingw/include"
57 #endif
58 #undef STANDARD_INCLUDE_COMPONENT
59 #define STANDARD_INCLUDE_COMPONENT "MINGW"
60
61 #undef CPP_SPEC
62 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT}"
63
64 /* For Windows applications, include more libraries, but always include
65    kernel32.  */
66 #undef LIB_SPEC
67 #define LIB_SPEC "%{pg:-lgmon} %{mwindows:-lgdi32 -lcomdlg32} \
68                   -luser32 -lkernel32 -ladvapi32 -lshell32"
69
70 /* Include in the mingw32 libraries with libgcc */
71 #undef LINK_SPEC
72 #define LINK_SPEC "%{mwindows:--subsystem windows} \
73   %{mconsole:--subsystem console} \
74   %{shared: %{mdll: %eshared and mdll are not compatible}} \
75   %{shared: --shared} %{mdll:--dll} \
76   %{static:-Bstatic} %{!static:-Bdynamic} \
77   %{shared|mdll: -e _DllMainCRTStartup@12}"
78
79 /* Include in the mingw32 libraries with libgcc */
80 #undef LIBGCC_SPEC
81 #define LIBGCC_SPEC \
82   "%{mthreads:-lmingwthrd} -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt"
83
84 #undef STARTFILE_SPEC
85 #define STARTFILE_SPEC "%{shared|mdll:dllcrt2%O%s} \
86   %{!shared:%{!mdll:crt2%O%s}} %{pg:gcrt2%O%s} \
87   crtbegin.o%s"
88
89 #undef ENDFILE_SPEC
90 #define ENDFILE_SPEC \
91   "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
92   crtend.o%s"
93
94 /* Override startfile prefix defaults.  */
95 #ifndef STANDARD_STARTFILE_PREFIX_1
96 #if TARGET_64BIT_DEFAULT
97 #define STANDARD_STARTFILE_PREFIX_1 "/mingw/lib64/"
98 #else
99 #define STANDARD_STARTFILE_PREFIX_1 "/mingw/lib/"
100 #endif
101 #endif
102 #ifndef STANDARD_STARTFILE_PREFIX_2
103 #define STANDARD_STARTFILE_PREFIX_2 ""
104 #endif
105
106 /* Output STRING, a string representing a filename, to FILE.
107    We canonicalize it to be in Unix format (backslashes are replaced
108    forward slashes.  */
109 #undef OUTPUT_QUOTED_STRING
110 #define OUTPUT_QUOTED_STRING(FILE, STRING)               \
111 do {                                                     \
112   char c;                                                \
113                                                          \
114   putc ('\"', asm_file);                                 \
115                                                          \
116   while ((c = *string++) != 0)                           \
117     {                                                    \
118       if (c == '\\')                                     \
119         c = '/';                                         \
120                                                          \
121       if (ISPRINT (c))                                   \
122         {                                                \
123           if (c == '\"')                                 \
124             putc ('\\', asm_file);                       \
125           putc (c, asm_file);                            \
126         }                                                \
127       else                                               \
128         fprintf (asm_file, "\\%03o", (unsigned char) c); \
129     }                                                    \
130                                                          \
131   putc ('\"', asm_file);                                 \
132 } while (0)
133
134 /* Define as short unsigned for compatibility with MS runtime.  */
135 #undef WINT_TYPE
136 #define WINT_TYPE "short unsigned int"
137
138 /* mingw32 uses the  -mthreads option to enable thread support.  */
139 #undef GOMP_SELF_SPECS
140 #define GOMP_SELF_SPECS "%{fopenmp: -mthreads}"
141
142 /* mingw32 atexit function is safe to use in shared libraries.  Use it
143    to register C++ static destructors.  */
144 #define TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT hook_bool_void_true
145
146 /* Contains a pointer to type target_ovr_attr defining the target specific
147    overrides of format attributes.  See c-format.h for structure
148    definition.  */
149 #undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES
150 #define TARGET_OVERRIDES_FORMAT_ATTRIBUTES mingw_format_attribute_overrides
151
152 /* Specify the count of elements in TARGET_OVERRIDES_ATTRIBUTE.  */
153 #undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT
154 #define TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT 3
155
156 /* MS specific format attributes for ms_printf, ms_scanf, ms_strftime.  */
157 #undef TARGET_FORMAT_TYPES
158 #define TARGET_FORMAT_TYPES mingw_format_attributes
159
160 #undef TARGET_N_FORMAT_TYPES
161 #define TARGET_N_FORMAT_TYPES 3
162
163 /* JCR_SECTION works on mingw32.  */
164 #undef TARGET_USE_JCR_SECTION
165 #define TARGET_USE_JCR_SECTION 1
166
167 #undef MINGW_ENABLE_EXECUTE_STACK
168 #define MINGW_ENABLE_EXECUTE_STACK     \
169 extern void __enable_execute_stack (void *);    \
170 void         \
171 __enable_execute_stack (void *addr)                                     \
172 {                                                                       \
173   MEMORY_BASIC_INFORMATION b;                                           \
174   if (!VirtualQuery (addr, &b, sizeof(b)))                              \
175     abort ();                                                           \
176   VirtualProtect (b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE,  \
177                   &b.Protect);                                          \
178 }
179
180 #undef ENABLE_EXECUTE_STACK
181 #define ENABLE_EXECUTE_STACK MINGW_ENABLE_EXECUTE_STACK
182
183 #define SUBTARGET_INIT_BUILTINS                                 \
184 do {                                                            \
185   if (TARGET_64BIT_MS_ABI)                                      \
186     {                                                           \
187           /* These builtin functions have a different return    \
188              type (intptr_t) on 64-bit MS Windows.  */          \
189           disable_builtin_function ("execl");                   \
190           disable_builtin_function ("execlp");                  \
191           disable_builtin_function ("execle");                  \
192           disable_builtin_function ("execv");                   \
193           disable_builtin_function ("execvp");                  \
194           disable_builtin_function ("execve");                  \
195     }                                                           \
196   /* Second argument of MS scalb is long, not double. */        \
197   disable_builtin_function ("scalb");                           \
198 } while (0)                                                     \
199
200 #ifdef IN_LIBGCC2
201 #include <windows.h>
202 #endif
203
204 #if !TARGET_64BIT
205 #define MD_UNWIND_SUPPORT "config/i386/w32-unwind.h"
206 #endif