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, 2008, 4 2009, 2010 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 && ix86_abi == MS_ABI) \ 42 { \ 43 builtin_define ("__MINGW64__"); \ 44 builtin_define_std ("WIN64"); \ 45 builtin_define_std ("_WIN64"); \ 46 } \ 47 } \ 48 while (0) 49 50 #undef SUB_LINK_ENTRY32 51 #undef SUB_LINK_ENTRY64 52 #define SUB_LINK_ENTRY32 "-e _DllMainCRTStartup@12" 53 #if defined(USE_MINGW64_LEADING_UNDERSCORES) 54 #define SUB_LINK_ENTRY64 "-e _DllMainCRTStartup" 55 #else 56 #define SUB_LINK_ENTRY64 "-e DllMainCRTStartup" 57 #endif 58 59 #undef SUB_LINK_ENTRY 60 #if TARGET_64BIT_DEFAULT 61 #define SUB_LINK_ENTRY SUB_LINK_ENTRY64 62 #else 63 #define SUB_LINK_ENTRY SUB_LINK_ENTRY32 64 #endif 65 66 /* Override the standard choice of /usr/include as the default prefix 67 to try when searching for header files. */ 68 #undef STANDARD_INCLUDE_DIR 69 #define STANDARD_INCLUDE_DIR "/mingw/include" 70 #undef STANDARD_INCLUDE_COMPONENT 71 #define STANDARD_INCLUDE_COMPONENT "MINGW" 72 73 #undef CPP_SPEC 74 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT}" 75 76 /* For Windows applications, include more libraries, but always include 77 kernel32. */ 78 #undef LIB_SPEC 79 #define LIB_SPEC "%{pg:-lgmon} %{mwindows:-lgdi32 -lcomdlg32} \ 80 -luser32 -lkernel32 -ladvapi32 -lshell32" 81 82 /* Weak symbols do not get resolved if using a Windows dll import lib. 83 Make the unwind registration references strong undefs. */ 84 #if DWARF2_UNWIND_INFO 85 /* DW2-unwind is just available for 32-bit mode. */ 86 #if TARGET_64BIT_DEFAULT 87 #error DW2 unwind is not available for 64-bit. 88 #endif 89 #define SHARED_LIBGCC_UNDEFS_SPEC \ 90 "%{shared-libgcc: -u ___register_frame_info -u ___deregister_frame_info}" 91 #else 92 #define SHARED_LIBGCC_UNDEFS_SPEC "" 93 #endif 94 95 #undef SUBTARGET_EXTRA_SPECS 96 #define SUBTARGET_EXTRA_SPECS \ 97 { "shared_libgcc_undefs", SHARED_LIBGCC_UNDEFS_SPEC } 98 99 #define LINK_SPEC "%{mwindows:--subsystem windows} \ 100 %{mconsole:--subsystem console} \ 101 %{shared: %{mdll: %eshared and mdll are not compatible}} \ 102 %{shared: --shared} %{mdll:--dll} \ 103 %{static:-Bstatic} %{!static:-Bdynamic} \ 104 %{shared|mdll: " SUB_LINK_ENTRY " --enable-auto-image-base} \ 105 %(shared_libgcc_undefs)" 106 107 /* Include in the mingw32 libraries with libgcc */ 108 #ifdef ENABLE_SHARED_LIBGCC 109 #define SHARED_LIBGCC_SPEC "%{shared-libgcc:-lgcc_s} %{!shared-libgcc:-lgcc_eh}" 110 #else 111 #define SHARED_LIBGCC_SPEC /*empty*/ 112 #endif 113 #undef REAL_LIBGCC_SPEC 114 #define REAL_LIBGCC_SPEC \ 115 "%{mthreads:-lmingwthrd} -lmingw32 \ 116 "SHARED_LIBGCC_SPEC" \ 117 -lgcc \ 118 -lmoldname -lmingwex -lmsvcrt" 119 120 #undef STARTFILE_SPEC 121 #define STARTFILE_SPEC "%{shared|mdll:dllcrt2%O%s} \ 122 %{!shared:%{!mdll:crt2%O%s}} %{pg:gcrt2%O%s} \ 123 crtbegin.o%s" 124 125 #undef ENDFILE_SPEC 126 #define ENDFILE_SPEC \ 127 "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ 128 crtend.o%s" 129 130 /* Override startfile prefix defaults. */ 131 #ifndef STANDARD_STARTFILE_PREFIX_1 132 #define STANDARD_STARTFILE_PREFIX_1 "/mingw/lib/" 133 #endif 134 #ifndef STANDARD_STARTFILE_PREFIX_2 135 #define STANDARD_STARTFILE_PREFIX_2 "" 136 #endif 137 138 /* Put all *tf routines in libgcc. */ 139 #undef LIBGCC2_HAS_TF_MODE 140 #define LIBGCC2_HAS_TF_MODE 1 141 #undef LIBGCC2_TF_CEXT 142 #define LIBGCC2_TF_CEXT q 143 #undef TF_SIZE 144 #define TF_SIZE 113 145 146 /* Output STRING, a string representing a filename, to FILE. 147 We canonicalize it to be in Unix format (backslashes are replaced 148 forward slashes. */ 149 #undef OUTPUT_QUOTED_STRING 150 #define OUTPUT_QUOTED_STRING(FILE, STRING) \ 151 do { \ 152 char c; \ 153 \ 154 putc ('\"', asm_file); \ 155 \ 156 while ((c = *string++) != 0) \ 157 { \ 158 if (c == '\\') \ 159 c = '/'; \ 160 \ 161 if (ISPRINT (c)) \ 162 { \ 163 if (c == '\"') \ 164 putc ('\\', asm_file); \ 165 putc (c, asm_file); \ 166 } \ 167 else \ 168 fprintf (asm_file, "\\%03o", (unsigned char) c); \ 169 } \ 170 \ 171 putc ('\"', asm_file); \ 172 } while (0) 173 174 /* Define as short unsigned for compatibility with MS runtime. */ 175 #undef WINT_TYPE 176 #define WINT_TYPE "short unsigned int" 177 178 /* mingw32 uses the -mthreads option to enable thread support. */ 179 #undef GOMP_SELF_SPECS 180 #define GOMP_SELF_SPECS "%{fopenmp: -mthreads}" 181 182 /* mingw32 atexit function is safe to use in shared libraries. Use it 183 to register C++ static destructors. */ 184 #define TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT hook_bool_void_true 185 186 /* Contains a pointer to type target_ovr_attr defining the target specific 187 overrides of format attributes. See c-format.h for structure 188 definition. */ 189 #undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES 190 #define TARGET_OVERRIDES_FORMAT_ATTRIBUTES mingw_format_attribute_overrides 191 192 /* Specify the count of elements in TARGET_OVERRIDES_ATTRIBUTE. */ 193 #undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT 194 #define TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT 3 195 196 /* Custom initialization for warning -Wpedantic-ms-format for c-format. */ 197 #undef TARGET_OVERRIDES_FORMAT_INIT 198 #define TARGET_OVERRIDES_FORMAT_INIT msformat_init 199 200 /* MS specific format attributes for ms_printf, ms_scanf, ms_strftime. */ 201 #undef TARGET_FORMAT_TYPES 202 #define TARGET_FORMAT_TYPES mingw_format_attributes 203 204 #undef TARGET_N_FORMAT_TYPES 205 #define TARGET_N_FORMAT_TYPES 3 206 207 /* Let defaults.h definition of TARGET_USE_JCR_SECTION apply. */ 208 #undef TARGET_USE_JCR_SECTION 209 210 #undef MINGW_ENABLE_EXECUTE_STACK 211 #define MINGW_ENABLE_EXECUTE_STACK \ 212 extern void __enable_execute_stack (void *); \ 213 void \ 214 __enable_execute_stack (void *addr) \ 215 { \ 216 MEMORY_BASIC_INFORMATION b; \ 217 if (!VirtualQuery (addr, &b, sizeof(b))) \ 218 abort (); \ 219 VirtualProtect (b.BaseAddress, b.RegionSize, PAGE_EXECUTE_READWRITE, \ 220 &b.Protect); \ 221 } 222 223 #undef ENABLE_EXECUTE_STACK 224 #define ENABLE_EXECUTE_STACK MINGW_ENABLE_EXECUTE_STACK 225 #undef CHECK_EXECUTE_STACK_ENABLED 226 #define CHECK_EXECUTE_STACK_ENABLED flag_setstackexecutable 227 228 #ifdef IN_LIBGCC2 229 #include <windows.h> 230 #endif 231 232 /* For 64-bit Windows we can't use DW2 unwind info. Also for multilib 233 builds we can't use it, too. */ 234 #if !TARGET_64BIT_DEFAULT && !defined (TARGET_BI_ARCH) 235 #define MD_UNWIND_SUPPORT "config/i386/w32-unwind.h" 236 #endif 237 238 /* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygming. */ 239 /* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygwin. */ 240 #if DWARF2_UNWIND_INFO 241 #define LIBGCC_EH_EXTN "_dw2" 242 #else 243 #define LIBGCC_EH_EXTN "_sjlj" 244 #endif 245 #define LIBGCC_SONAME "libgcc_s" LIBGCC_EH_EXTN "-1.dll" 246 247 /* We should find a way to not have to update this manually. */ 248 #define LIBGCJ_SONAME "libgcj" /*LIBGCC_EH_EXTN*/ "-11.dll" 249 250