gcc/config/i386/mingw-w64.h

   1 /* Operating system specific defines to be used when targeting GCC for
   2    hosting on Windows 32/64 via mingw-w64 runtime, using GNU tools and
   3    the Windows API Library.
   4    Copyright (C) 2009-2024 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 /* Enable -municode feature and support optional pthread support.  */
  23
  24 #undef CPP_SPEC
  25 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT} " \
  26                  "%{municode:-DUNICODE} " \
  27                  "%{" SPEC_PTHREAD1 ":-D_REENTRANT} " \
  28                  "%{" SPEC_PTHREAD2 ":-U_REENTRANT} " \
  29                  "%{mcrtdll=crtdll*:-U__MSVCRT__ -D__CRTDLL__} " \
  30                  "%{mcrtdll=msvcrt10*:-D__MSVCRT_VERSION__=0x100} " \
  31                  "%{mcrtdll=msvcrt20*:-D__MSVCRT_VERSION__=0x200} " \
  32                  "%{mcrtdll=msvcrt40*:-D__MSVCRT_VERSION__=0x400} " \
  33                  "%{mcrtdll=msvcrt-os*:-D__MSVCRT_VERSION__=0x700} " \
  34                  "%{mcrtdll=msvcr70*:-D__MSVCRT_VERSION__=0x700} " \
  35                  "%{mcrtdll=msvcr71*:-D__MSVCRT_VERSION__=0x701} " \
  36                  "%{mcrtdll=msvcr80*:-D__MSVCRT_VERSION__=0x800} " \
  37                  "%{mcrtdll=msvcr90*:-D__MSVCRT_VERSION__=0x900} " \
  38                  "%{mcrtdll=msvcr100*:-D__MSVCRT_VERSION__=0xA00} " \
  39                  "%{mcrtdll=msvcr110*:-D__MSVCRT_VERSION__=0xB00} " \
  40                  "%{mcrtdll=msvcr120*:-D__MSVCRT_VERSION__=0xC00} " \
  41                  "%{mcrtdll=ucrt*:-D_UCRT} "
  42
  43 #undef REAL_LIBGCC_SPEC
  44 #define REAL_LIBGCC_SPEC \
  45   "%{mthreads:-lmingwthrd} -lmingw32 \
  46    " SHARED_LIBGCC_SPEC " \
  47    -lmingwex %{!mcrtdll=*:-lmsvcrt} %{mcrtdll=*:-l%*} \
  48    -lkernel32 " MCFGTHREAD_SPEC
  49
  50 #undef STARTFILE_SPEC
  51 #define STARTFILE_SPEC "%{shared|mdll:dllcrt2%O%s} \
  52   %{!shared:%{!mdll:%{!municode:crt2%O%s}}} \
  53   %{!shared:%{!mdll:%{municode:crt2u%O%s}}} \
  54   %{pg:gcrt2%O%s} \
  55   crtbegin.o%s \
  56   %{fvtable-verify=none:%s; \
  57     fvtable-verify=preinit:vtv_start.o%s; \
  58     fvtable-verify=std:vtv_start.o%s}"
  59
  60 /* Enable multilib.  */
  61
  62 #undef ASM_SPEC
  63 #define ASM_SPEC "%{m32:--32} %{m64:--64}"
  64
  65 #undef LIB_SPEC
  66 #define LIB_SPEC "%{pg:-lgmon} %{" SPEC_PTHREAD1 ":-lpthread} " \
  67                  "%{" SPEC_PTHREAD2 ": } " \
  68                  "%{mwindows:-lgdi32 -lcomdlg32} " \
  69      "%{fvtable-verify=preinit:-lvtv -lpsapi; \
  70         fvtable-verify=std:-lvtv -lpsapi} " \
  71                  "-ladvapi32 -lshell32 -luser32 -lkernel32"
  72
  73 #undef SPEC_32
  74 #undef SPEC_64
  75 #if TARGET_64BIT_DEFAULT
  76 #define SPEC_32 "m32"
  77 #define SPEC_64 "!m32"
  78 #else
  79 #define SPEC_32 "!m64"
  80 #define SPEC_64 "m64"
  81 #endif
  82
  83 #undef SUB_LINK_ENTRY32
  84 #undef SUB_LINK_ENTRY64
  85 #define SUB_LINK_ENTRY32 "-e _DllMainCRTStartup@12"
  86 #if defined(USE_MINGW64_LEADING_UNDERSCORES)
  87 #define SUB_LINK_ENTRY64 "-e _DllMainCRTStartup"
  88 #else
  89 #define SUB_LINK_ENTRY64 "-e DllMainCRTStartup"
  90 #endif
  91
  92 #undef SUB_LINK_SPEC
  93 #undef SUB_LINK_ENTRY
  94 #define SUB_LINK_SPEC "%{" SPEC_64 ":-m i386pep} %{" SPEC_32 ":-m i386pe}"
  95 #define SUB_LINK_ENTRY "%{" SPEC_64 ":" SUB_LINK_ENTRY64 "} %{" SPEC_32 ":" SUB_LINK_ENTRY32 "}"
  96
  97 #undef MULTILIB_DEFAULTS
  98 #if TARGET_64BIT_DEFAULT
  99 #define MULTILIB_DEFAULTS { "m64" }
 100 #else
 101 #define MULTILIB_DEFAULTS { "m32" }
 102 #endif
 103
 104 #undef LINK_SPEC_LARGE_ADDR_AWARE
 105 #if MINGW_DEFAULT_LARGE_ADDR_AWARE
 106 # define LINK_SPEC_LARGE_ADDR_AWARE \
 107   "%{!shared:%{!mdll:%{" SPEC_32 ":--large-address-aware}}}"
 108 #else
 109 # define LINK_SPEC_LARGE_ADDR_AWARE ""
 110 #endif
 111
 112 #undef LINK_SPEC_DISABLE_DYNAMICBASE
 113 #if HAVE_LD_PE_DISABLE_DYNAMICBASE
 114 # define LINK_SPEC_DISABLE_DYNAMICBASE \
 115   "%{!shared:%{!mdll:%{no-pie:--disable-dynamicbase}}}"
 116 #else
 117 # define LINK_SPEC_DISABLE_DYNAMICBASE ""
 118 #endif
 119
 120 #undef LINK_SPEC
 121 #define LINK_SPEC SUB_LINK_SPEC " %{mwindows:--subsystem windows} \
 122   %{mconsole:--subsystem console} \
 123   %{shared: %{mdll: %eshared and mdll are not compatible}} \
 124   %{shared: --shared} %{mdll:--dll} \
 125   %{static:-Bstatic} %{!static:-Bdynamic} \
 126   %{shared|mdll: " SUB_LINK_ENTRY " --enable-auto-image-base} \
 127   " LINK_SPEC_LARGE_ADDR_AWARE "\
 128   " LINK_SPEC_DISABLE_DYNAMICBASE "\
 129   %(shared_libgcc_undefs)"
 130
 131 /* Enable sincos optimization, overriding cygming.h.  sincos, sincosf
 132    and sincosl functions are available on mingw-w64, but not on the
 133    original mingw32.  */
 134 #undef TARGET_LIBC_HAS_FUNCTION
 135 #define TARGET_LIBC_HAS_FUNCTION gnu_libc_has_function