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
   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 2, 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 COPYING.  If not, write to
  20 the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  21 Boston, MA 02110-1301, USA.  */
  22
  23 #undef TARGET_VERSION
  24 #if TARGET_64BIT_DEFAULT
  25 #define TARGET_VERSION fprintf (stderr,"(x86_64 MinGW");
  26 #else
  27 #define TARGET_VERSION fprintf (stderr," (x86 MinGW)");
  28 #endif
  29
  30 /* See i386/crtdll.h for an alternative definition. _INTEGRAL_MAX_BITS
  31    is for compatibility with native compiler.  */
  32 #define EXTRA_OS_CPP_BUILTINS()                                 \
  33   do                                                            \
  34     {                                                           \
  35       builtin_define ("__MSVCRT__");                            \
  36       builtin_define ("__MINGW32__");                           \
  37       builtin_define ("_WIN32");                                \
  38       builtin_define_std ("WIN32");                             \
  39       builtin_define_std ("WINNT");                             \
  40       builtin_define_with_int_value ("_INTEGRAL_MAX_BITS",      \
  41                                      TYPE_PRECISION (intmax_type_node));\
  42       if (TARGET_64BIT_MS_ABI)                                  \
  43         {                                                       \
  44           builtin_define ("__MINGW64__");                       \
  45           builtin_define_std ("WIN64");                         \
  46           builtin_define_std ("_WIN64");                        \
  47         }                                                       \
  48     }                                                           \
  49   while (0)
  50
  51 /* Override the standard choice of /usr/include as the default prefix
  52    to try when searching for header files.  */
  53 #undef STANDARD_INCLUDE_DIR
  54 #if TARGET_64BIT_DEFAULT
  55 #define STANDARD_INCLUDE_DIR "/mingw/include64"
  56 #else
  57 #define STANDARD_INCLUDE_DIR "/mingw/include"
  58 #endif
  59 #undef STANDARD_INCLUDE_COMPONENT
  60 #define STANDARD_INCLUDE_COMPONENT "MINGW"
  61
  62 #undef CPP_SPEC
  63 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT}"
  64
  65 /* For Windows applications, include more libraries, but always include
  66    kernel32.  */
  67 #undef LIB_SPEC
  68 #define LIB_SPEC "%{pg:-lgmon} %{mwindows:-lgdi32 -lcomdlg32} \
  69                   -luser32 -lkernel32 -ladvapi32 -lshell32"
  70
  71 /* Include in the mingw32 libraries with libgcc */
  72 #undef LINK_SPEC
  73 #define LINK_SPEC "%{mwindows:--subsystem windows} \
  74   %{mconsole:--subsystem console} \
  75   %{shared: %{mdll: %eshared and mdll are not compatible}} \
  76   %{shared: --shared} %{mdll:--dll} \
  77   %{static:-Bstatic} %{!static:-Bdynamic} \
  78   %{shared|mdll: -e _DllMainCRTStartup@12}"
  79
  80 /* Include in the mingw32 libraries with libgcc */
  81 #undef LIBGCC_SPEC
  82 #define LIBGCC_SPEC \
  83   "%{mthreads:-lmingwthrd} -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt"
  84
  85 #undef STARTFILE_SPEC
  86 #define STARTFILE_SPEC "%{shared|mdll:dllcrt2%O%s} \
  87   %{!shared:%{!mdll:crt2%O%s}} %{pg:gcrt2%O%s} \
  88   crtbegin.o%s"
  89
  90 #undef ENDFILE_SPEC
  91 #define ENDFILE_SPEC \
  92   "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \
  93   crtend.o%s"
  94
  95 /* Override startfile prefix defaults.  */
  96 #ifndef STANDARD_STARTFILE_PREFIX_1
  97 #if TARGET_64BIT_DEFAULT
  98 #define STANDARD_STARTFILE_PREFIX_1 "/mingw/lib64/"
  99 #else
 100 #define STANDARD_STARTFILE_PREFIX_1 "/mingw/lib/"
 101 #endif
 102 #endif
 103 #ifndef STANDARD_STARTFILE_PREFIX_2
 104 #define STANDARD_STARTFILE_PREFIX_2 ""
 105 #endif
 106
 107 /* Output STRING, a string representing a filename, to FILE.
 108    We canonicalize it to be in Unix format (backslashes are replaced
 109    forward slashes.  */
 110 #undef OUTPUT_QUOTED_STRING
 111 #define OUTPUT_QUOTED_STRING(FILE, STRING)               \
 112 do {                                                     \
 113   char c;                                                \
 114                                                          \
 115   putc ('\"', asm_file);                                 \
 116                                                          \
 117   while ((c = *string++) != 0)                           \
 118     {                                                    \
 119       if (c == '\\')                                     \
 120         c = '/';                                         \
 121                                                          \
 122       if (ISPRINT (c))                                   \
 123         {                                                \
 124           if (c == '\"')                                 \
 125             putc ('\\', asm_file);                       \
 126           putc (c, asm_file);                            \
 127         }                                                \
 128       else                                               \
 129         fprintf (asm_file, "\\%03o", (unsigned char) c); \
 130     }                                                    \
 131                                                          \
 132   putc ('\"', asm_file);                                 \
 133 } while (0)
 134
 135 /* Define as short unsigned for compatibility with MS runtime.  */
 136 #undef WINT_TYPE
 137 #define WINT_TYPE "short unsigned int"
 138
 139 /* mingw32 uses the  -mthreads option to enable thread support.  */
 140 #undef GOMP_SELF_SPECS
 141 #define GOMP_SELF_SPECS "%{fopenmp: -mthreads}"
 142
 143 /* mingw32 atexit function is safe to use in shared libraries.  Use it
 144    to register C++ static destructors.  */
 145 #define TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT hook_bool_void_true
 146
 147 /* JCR_SECTION works on mingw32.  */
 148 #undef TARGET_USE_JCR_SECTION
 149 #define TARGET_USE_JCR_SECTION 1
 150
 151 #if !TARGET_64BIT
 152 #define MD_UNWIND_SUPPORT "config/i386/w32-unwind.h"
 153 #endif