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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) 1997-2017 Free Software Foundation, Inc.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 3, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
20
21#undef DEFAULT_ABI
22#define DEFAULT_ABI MS_ABI
23
24/* By default, target has a 80387, uses IEEE compatible arithmetic,
25 returns float values in the 387 and needs stack probes.
26 We also align doubles to 64-bits for MSVC default compatibility.
27 Additionally we enable MS_BITFIELD_LAYOUT by default. */
28
29#undef TARGET_SUBTARGET_DEFAULT
30#define TARGET_SUBTARGET_DEFAULT \
31 (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS \
32 | MASK_STACK_PROBE | MASK_ALIGN_DOUBLE \
33 | MASK_MS_BITFIELD_LAYOUT)
34
35/* See i386/crtdll.h for an alternative definition. _INTEGRAL_MAX_BITS
36 is for compatibility with native compiler. */
37#define EXTRA_OS_CPP_BUILTINS() \
38 do \
39 { \
40 builtin_define ("__MSVCRT__"); \
41 builtin_define ("__MINGW32__"); \
42 builtin_define ("_WIN32"); \
43 builtin_define_std ("WIN32"); \
44 builtin_define_std ("WINNT"); \
45 builtin_define_with_int_value ("_INTEGRAL_MAX_BITS", \
46 TYPE_PRECISION (intmax_type_node));\
47 if (TARGET_64BIT && ix86_abi == MS_ABI) \
48 { \
49 builtin_define ("__MINGW64__"); \
50 builtin_define_std ("WIN64"); \
51 builtin_define ("_WIN64"); \
52 } \
53 } \
54 while (0)
55
56#ifndef TARGET_USE_PTHREAD_BY_DEFAULT
57#define SPEC_PTHREAD1 "pthread"
58#define SPEC_PTHREAD2 "!no-pthread"
59#else
60#define SPEC_PTHREAD1 "!no-pthread"
61#define SPEC_PTHREAD2 "pthread"
62#endif
63
64#undef SUB_LINK_ENTRY32
65#undef SUB_LINK_ENTRY64
66#define SUB_LINK_ENTRY32 "-e _DllMainCRTStartup@12"
67#if defined(USE_MINGW64_LEADING_UNDERSCORES)
68#define SUB_LINK_ENTRY64 "-e _DllMainCRTStartup"
69#else
70#define SUB_LINK_ENTRY64 "-e DllMainCRTStartup"
71#endif
72
73#undef SUB_LINK_ENTRY
74#if TARGET_64BIT_DEFAULT
75#define SUB_LINK_ENTRY SUB_LINK_ENTRY64
76#else
77#define SUB_LINK_ENTRY SUB_LINK_ENTRY32
78#endif
79
80#undef NATIVE_SYSTEM_HEADER_COMPONENT
81#define NATIVE_SYSTEM_HEADER_COMPONENT "MINGW"
82
83#undef CPP_SPEC
84#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT} " \
85 "%{" SPEC_PTHREAD1 ":-D_REENTRANT} " \
86 "%{" SPEC_PTHREAD2 ": } "
87
88/* For Windows applications, include more libraries, but always include
89 kernel32. */
90#undef LIB_SPEC
91#define LIB_SPEC "%{pg:-lgmon} %{" SPEC_PTHREAD1 ":-lpthread} " \
92 "%{" SPEC_PTHREAD2 ": } " \
93 "%{mwindows:-lgdi32 -lcomdlg32} " \
94 "%{fvtable-verify=preinit:-lvtv -lpsapi; \
95 fvtable-verify=std:-lvtv -lpsapi} " \
96 "-ladvapi32 -lshell32 -luser32 -lkernel32"
97
98/* Weak symbols do not get resolved if using a Windows dll import lib.
99 Make the unwind registration references strong undefs. */
100#if DWARF2_UNWIND_INFO
101/* DW2-unwind is just available for 32-bit mode. */
102#if TARGET_64BIT_DEFAULT
103#define SHARED_LIBGCC_UNDEFS_SPEC \
104 "%{m32: %{shared-libgcc: -u ___register_frame_info -u ___deregister_frame_info}}"
105#else
106#define SHARED_LIBGCC_UNDEFS_SPEC \
107 "%{shared-libgcc: -u ___register_frame_info -u ___deregister_frame_info}"
108#endif
109#else
110#define SHARED_LIBGCC_UNDEFS_SPEC ""
111#endif
112
113#undef SUBTARGET_EXTRA_SPECS
114#define SUBTARGET_EXTRA_SPECS \
115 { "shared_libgcc_undefs", SHARED_LIBGCC_UNDEFS_SPEC }
116
117#define LINK_SPEC "%{mwindows:--subsystem windows} \
118 %{mconsole:--subsystem console} \
119 %{shared: %{mdll: %eshared and mdll are not compatible}} \
120 %{shared: --shared} %{mdll:--dll} \
121 %{static:-Bstatic} %{!static:-Bdynamic} \
122 %{shared|mdll: " SUB_LINK_ENTRY " --enable-auto-image-base} \
123 %(shared_libgcc_undefs)"
124
125/* Include in the mingw32 libraries with libgcc */
126#ifdef ENABLE_SHARED_LIBGCC
127#define SHARED_LIBGCC_SPEC " \
128 %{static|static-libgcc:-lgcc -lgcc_eh} \
129 %{!static: \
130 %{!static-libgcc: \
131 %{!shared: \
132 %{!shared-libgcc:-lgcc -lgcc_eh} \
133 %{shared-libgcc:-lgcc_s -lgcc} \
134 } \
135 %{shared:-lgcc_s -lgcc} \
136 } \
137 } "
138#else
139#define SHARED_LIBGCC_SPEC " -lgcc "
140#endif
141#undef REAL_LIBGCC_SPEC
142#define REAL_LIBGCC_SPEC \
143 "%{mthreads:-lmingwthrd} -lmingw32 \
144 " SHARED_LIBGCC_SPEC " \
145 -lmoldname -lmingwex -lmsvcrt"
146
147#undef STARTFILE_SPEC
148#define STARTFILE_SPEC "%{shared|mdll:dllcrt2%O%s} \
149 %{!shared:%{!mdll:crt2%O%s}} %{pg:gcrt2%O%s} \
150 crtbegin.o%s \
151 %{fvtable-verify=none:%s; \
152 fvtable-verify=preinit:vtv_start.o%s; \
153 fvtable-verify=std:vtv_start.o%s}"
154
155#undef ENDFILE_SPEC
156#define ENDFILE_SPEC \
157 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
158 %{!shared:%:if-exists(default-manifest.o%s)}\
159 %{fvtable-verify=none:%s; \
160 fvtable-verify=preinit:vtv_end.o%s; \
161 fvtable-verify=std:vtv_end.o%s} \
162 crtend.o%s"
163
164/* Override startfile prefix defaults. */
165#ifndef STANDARD_STARTFILE_PREFIX_1
166#define STANDARD_STARTFILE_PREFIX_1 "/mingw/lib/"
167#endif
168#ifndef STANDARD_STARTFILE_PREFIX_2
169#define STANDARD_STARTFILE_PREFIX_2 ""
170#endif
171
172/* For native mingw-version we need to take care that NATIVE_SYSTEM_HEADER_DIR
173 macro contains POSIX-style path. See bug 52947. */
174#undef NATIVE_SYSTEM_HEADER_DIR
175#define NATIVE_SYSTEM_HEADER_DIR "/mingw/include"
176
177/* Output STRING, a string representing a filename, to FILE.
178 We canonicalize it to be in Unix format (backslashes are replaced
179 forward slashes. */
180#undef OUTPUT_QUOTED_STRING
181#define OUTPUT_QUOTED_STRING(FILE, STRING) \
182do { \
183 const char *_string = (const char *) (STRING); \
184 char c; \
185 \
186 putc ('\"', (FILE)); \
187 \
188 while ((c = *_string++) != 0) \
189 { \
190 if (c == '\\') \
191 c = '/'; \
192 \
193 if (ISPRINT (c)) \
194 { \
195 if (c == '\"') \
196 putc ('\\', (FILE)); \
197 putc (c, (FILE)); \
198 } \
199 else \
200 fprintf ((FILE), "\\%03o", (unsigned char) c); \
201 } \
202 \
203 putc ('\"', (FILE)); \
204} while (0)
205
206/* Define as short unsigned for compatibility with MS runtime. */
207#undef WINT_TYPE
208#define WINT_TYPE "short unsigned int"
209
210/* mingw32 uses the -mthreads option to enable thread support. */
211#undef GOMP_SELF_SPECS
212#define GOMP_SELF_SPECS "%{fopenacc|fopenmp|%:gt(%{ftree-parallelize-loops=*:%*} 1): " \
213 "-mthreads -pthread}"
214#undef GTM_SELF_SPECS
215#define GTM_SELF_SPECS "%{fgnu-tm:-mthreads -pthread}"
216
217/* mingw32 atexit function is safe to use in shared libraries. Use it
218 to register C++ static destructors. */
219#define TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT hook_bool_void_true
220
221/* Contains a pointer to type target_ovr_attr defining the target specific
222 overrides of format attributes. See c-format.h for structure
223 definition. */
224#undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES
225#define TARGET_OVERRIDES_FORMAT_ATTRIBUTES mingw_format_attribute_overrides
226
227/* Specify the count of elements in TARGET_OVERRIDES_ATTRIBUTE. */
228#undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT
229#define TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT 3
230
231/* Custom initialization for warning -Wpedantic-ms-format for c-format. */
232#undef TARGET_OVERRIDES_FORMAT_INIT
233#define TARGET_OVERRIDES_FORMAT_INIT msformat_init
234
235/* MS specific format attributes for ms_printf, ms_scanf, ms_strftime. */
236#undef TARGET_FORMAT_TYPES
237#define TARGET_FORMAT_TYPES mingw_format_attributes
238
239#undef TARGET_N_FORMAT_TYPES
240#define TARGET_N_FORMAT_TYPES 3
241
242#define HAVE_ENABLE_EXECUTE_STACK
243#undef CHECK_EXECUTE_STACK_ENABLED
244#define CHECK_EXECUTE_STACK_ENABLED flag_setstackexecutable
245
246/* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygming. */
247/* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygwin. */
248#if DWARF2_UNWIND_INFO
249#define LIBGCC_EH_EXTN "_dw2"
250#else
251#define LIBGCC_EH_EXTN "_sjlj"
252#endif
253#define LIBGCC_SONAME "libgcc_s" LIBGCC_EH_EXTN "-1.dll"
254
255

Warning: That file was not part of the compilation database. It may have many parsing errors.