Mercurial > hg > CbC > CbC_gcc

annotate gcc/config/i386/cygwin.h @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 84e7813d76e9
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /* Operating system specific defines to be used when targeting GCC for
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2 hosting on Windows32, using a Unix style C library and tools.
145
1830386684a0 gcc-9.2.0
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3 Copyright (C) 1995-2020 Free Software Foundation, Inc.
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
111
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21 #define EXTRA_OS_CPP_BUILTINS() \
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22 do \
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23 { \
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24 builtin_define ("__CYGWIN__"); \
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25 if (!TARGET_64BIT) \
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26 builtin_define ("__CYGWIN32__"); \
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27 builtin_define ("__unix__"); \
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28 builtin_define ("__unix"); \
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29 } \
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30 while (0)
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31
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32 #undef CPP_SPEC
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33 #define CPP_SPEC "%(cpp_cpu) %{posix:-D_POSIX_SOURCE} \
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34 %{!ansi:-Dunix} \
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35 %{pthread:-D_REENTRANT} \
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36 %{mwin32:-DWIN32 -D_WIN32 -D__WIN32 -D__WIN32__ %{!ansi:-DWINNT}} \
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37 %{!nostdinc:%{!mno-win32:-idirafter ../include/w32api%s -idirafter ../../include/w32api%s}}\
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38 "
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39
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40 #undef STARTFILE_SPEC
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41 #define STARTFILE_SPEC "\
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42 %{!shared: %{!mdll: crt0%O%s \
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43 %{pg:gcrt0%O%s}}}\
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44 %{shared:crtbeginS.o%s;:crtbegin.o%s} \
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45 %{fvtable-verify=none:%s; \
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46 fvtable-verify=preinit:vtv_start.o%s; \
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47 fvtable-verify=std:vtv_start.o%s}"
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48
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49 #undef ENDFILE_SPEC
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50 #define ENDFILE_SPEC \
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51 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}\
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52 %{!shared:%:if-exists(default-manifest.o%s)}\
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53 %{fvtable-verify=none:%s; \
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54 fvtable-verify=preinit:vtv_end.o%s; \
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55 fvtable-verify=std:vtv_end.o%s} \
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56 crtend.o%s"
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57
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58 /* Normally, -lgcc is not needed since everything in it is in the DLL, but we
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59 want to allow things to be added to it when installing new versions of
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60 GCC without making a new CYGWIN.DLL, so we leave it. Profiling is handled
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61 by calling the init function from main. */
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62
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63 #ifdef ENABLE_SHARED_LIBGCC
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64 #define SHARED_LIBGCC_SPEC " \
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65 %{static|static-libgcc:-lgcc -lgcc_eh} \
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66 %{!static: \
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67 %{!static-libgcc: \
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68 -lgcc_s -lgcc \
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69 } \
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70 } "
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71 #else
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72 #define SHARED_LIBGCC_SPEC " -lgcc "
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73 #endif
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74
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75 #undef REAL_LIBGCC_SPEC
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76 #define REAL_LIBGCC_SPEC SHARED_LIBGCC_SPEC
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77
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78 /* We have to dynamic link to get to the system DLLs. All of libc, libm and
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79 the Unix stuff is in cygwin.dll. The import library is called
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80 'libcygwin.a'. For Windows applications, include more libraries, but
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81 always include kernel32. We'd like to specific subsystem windows to
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82 ld, but that doesn't work just yet. */
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83
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84 #undef LIB_SPEC
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85 #define LIB_SPEC "\
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86 %{pg:-lgmon} \
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87 %{pthread: } \
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88 -lcygwin \
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89 %{mwindows:-lgdi32 -lcomdlg32} \
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90 %{fvtable-verify=preinit:-lvtv -lpsapi; \
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91 fvtable-verify=std:-lvtv -lpsapi} \
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92 -ladvapi32 -lshell32 -luser32 -lkernel32"
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93
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94 /* To implement C++ function replacement we always wrap the cxx
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95 malloc-like operators. See N2800 #17.6.4.6 [replacement.functions] */
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96 #define CXX_WRAP_SPEC_LIST " \
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97 --wrap _Znwj \
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98 --wrap _Znaj \
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99 --wrap _ZdlPv \
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100 --wrap _ZdaPv \
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101 --wrap _ZnwjRKSt9nothrow_t \
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102 --wrap _ZnajRKSt9nothrow_t \
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103 --wrap _ZdlPvRKSt9nothrow_t \
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104 --wrap _ZdaPvRKSt9nothrow_t \
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105 "
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106
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107 #if defined (USE_CYGWIN_LIBSTDCXX_WRAPPERS)
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108
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109 #if USE_CYGWIN_LIBSTDCXX_WRAPPERS
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110 /* Default on, only explict -mno disables. */
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111 #define CXX_WRAP_SPEC_OPT "!mno-use-libstdc-wrappers"
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112 #else
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113 /* Default off, only explict -m enables. */
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114 #define CXX_WRAP_SPEC_OPT "muse-libstdc-wrappers"
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115 #endif
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116
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117 #define CXX_WRAP_SPEC "%{" CXX_WRAP_SPEC_OPT ":" CXX_WRAP_SPEC_LIST "}"
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118
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119 #else /* !defined (USE_CYGWIN_LIBSTDCXX_WRAPPERS) */
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120
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121 #define CXX_WRAP_SPEC ""
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122
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123 #endif /* ?defined (USE_CYGWIN_LIBSTDCXX_WRAPPERS) */
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124
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125 #define LINK_SPEC "\
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126 %{mwindows:--subsystem windows} \
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127 %{mconsole:--subsystem console} \
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128 " CXX_WRAP_SPEC " \
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129 %{shared: %{mdll: %eshared and mdll are not compatible}} \
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130 %{shared: --shared} %{mdll:--dll} \
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131 %{static:-Bstatic} %{!static:-Bdynamic} \
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132 %{shared|mdll: --enable-auto-image-base -e __cygwin_dll_entry@12} \
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133 --dll-search-prefix=cyg \
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134 %{!shared: %{!mdll: --large-address-aware --tsaware}}"
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135
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136 /* Binutils does not handle weak symbols from dlls correctly. For now,
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137 do not use them unnecessarily in gthr-posix.h. */
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138 #define GTHREAD_USE_WEAK 0
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139
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140 /* Every program on cygwin links against cygwin1.dll which contains
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141 the pthread routines. There is no need to explicitly link them
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142 and the -pthread flag is accepted only for compatibility. */
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143 #undef GOMP_SELF_SPECS
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144 #define GOMP_SELF_SPECS ""
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145 #undef GTM_SELF_SPECS
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146 #define GTM_SELF_SPECS ""
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147
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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148 /* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygwin. */
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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149 #if DWARF2_UNWIND_INFO
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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150 #define LIBGCC_EH_EXTN ""
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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151 #else
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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152 #define LIBGCC_EH_EXTN "-sjlj"
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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153 #endif
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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154 #define LIBGCC_SONAME "cyggcc_s" LIBGCC_EH_EXTN "-1.dll"
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77e2b8dfacca update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
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155
111
kono
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156 /* Make stack executable to avoid DEP problems with trampolines. */
kono
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157 #define HAVE_ENABLE_EXECUTE_STACK
kono
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158 #undef CHECK_EXECUTE_STACK_ENABLED
kono
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159 #define CHECK_EXECUTE_STACK_ENABLED flag_setstackexecutable