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) 1997-2015 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#error DW2 unwind is not available for 64-bit. 104#endif 105#define SHARED_LIBGCC_UNDEFS_SPEC \ 106 "%{shared-libgcc: -u ___register_frame_info -u ___deregister_frame_info}" 107#else 108#define SHARED_LIBGCC_UNDEFS_SPEC "" 109#endif 110 111#undef SUBTARGET_EXTRA_SPECS 112#define SUBTARGET_EXTRA_SPECS \ 113 { "shared_libgcc_undefs", SHARED_LIBGCC_UNDEFS_SPEC } 114 115#define LINK_SPEC "%{mwindows:--subsystem windows} \ 116 %{mconsole:--subsystem console} \ 117 %{shared: %{mdll: %eshared and mdll are not compatible}} \ 118 %{shared: --shared} %{mdll:--dll} \ 119 %{static:-Bstatic} %{!static:-Bdynamic} \ 120 %{shared|mdll: " SUB_LINK_ENTRY " --enable-auto-image-base} \ 121 %(shared_libgcc_undefs)" 122 123/* Include in the mingw32 libraries with libgcc */ 124#ifdef ENABLE_SHARED_LIBGCC 125#define SHARED_LIBGCC_SPEC " \ 126 %{static|static-libgcc:-lgcc -lgcc_eh} \ 127 %{!static: \ 128 %{!static-libgcc: \ 129 %{!shared: \ 130 %{!shared-libgcc:-lgcc -lgcc_eh} \ 131 %{shared-libgcc:-lgcc_s -lgcc} \ 132 } \ 133 %{shared:-lgcc_s -lgcc} \ 134 } \ 135 } " 136#else 137#define SHARED_LIBGCC_SPEC " -lgcc " 138#endif 139#undef REAL_LIBGCC_SPEC 140#define REAL_LIBGCC_SPEC \ 141 "%{mthreads:-lmingwthrd} -lmingw32 \ 142 "SHARED_LIBGCC_SPEC" \ 143 -lmoldname -lmingwex -lmsvcrt" 144 145#undef STARTFILE_SPEC 146#define STARTFILE_SPEC "%{shared|mdll:dllcrt2%O%s} \ 147 %{!shared:%{!mdll:crt2%O%s}} %{pg:gcrt2%O%s} \ 148 crtbegin.o%s \ 149 %{fvtable-verify=none:%s; \ 150 fvtable-verify=preinit:vtv_start.o%s; \ 151 fvtable-verify=std:vtv_start.o%s}" 152 153#undef ENDFILE_SPEC 154#define ENDFILE_SPEC \ 155 "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ 156 %{!shared:%:if-exists(default-manifest.o%s)}\ 157 %{fvtable-verify=none:%s; \ 158 fvtable-verify=preinit:vtv_end.o%s; \ 159 fvtable-verify=std:vtv_end.o%s} \ 160 crtend.o%s" 161 162/* Override startfile prefix defaults. */ 163#ifndef STANDARD_STARTFILE_PREFIX_1 164#define STANDARD_STARTFILE_PREFIX_1 "/mingw/lib/" 165#endif 166#ifndef STANDARD_STARTFILE_PREFIX_2 167#define STANDARD_STARTFILE_PREFIX_2 "" 168#endif 169 170/* For native mingw-version we need to take care that NATIVE_SYSTEM_HEADER_DIR 171 macro contains POSIX-style path. See bug 52947. */ 172#undef NATIVE_SYSTEM_HEADER_DIR 173#define NATIVE_SYSTEM_HEADER_DIR "/mingw/include" 174 175/* Output STRING, a string representing a filename, to FILE. 176 We canonicalize it to be in Unix format (backslashes are replaced 177 forward slashes. */ 178#undef OUTPUT_QUOTED_STRING 179#define OUTPUT_QUOTED_STRING(FILE, STRING) \ 180do { \ 181 const char *_string = (const char *) (STRING); \ 182 char c; \ 183 \ 184 putc ('\"', (FILE)); \ 185 \ 186 while ((c = *_string++) != 0) \ 187 { \ 188 if (c == '\\') \ 189 c = '/'; \ 190 \ 191 if (ISPRINT (c)) \ 192 { \ 193 if (c == '\"') \ 194 putc ('\\', (FILE)); \ 195 putc (c, (FILE)); \ 196 } \ 197 else \ 198 fprintf ((FILE), "\\%03o", (unsigned char) c); \ 199 } \ 200 \ 201 putc ('\"', (FILE)); \ 202} while (0) 203 204/* Define as short unsigned for compatibility with MS runtime. */ 205#undef WINT_TYPE 206#define WINT_TYPE "short unsigned int" 207 208/* mingw32 uses the -mthreads option to enable thread support. */ 209#undef GOMP_SELF_SPECS 210#define GOMP_SELF_SPECS "%{fopenacc|fopenmp|ftree-parallelize-loops=*: " \ 211 "-mthreads -pthread}" 212#undef GTM_SELF_SPECS 213#define GTM_SELF_SPECS "%{fgnu-tm:-mthreads -pthread}" 214 215/* mingw32 atexit function is safe to use in shared libraries. Use it 216 to register C++ static destructors. */ 217#define TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT hook_bool_void_true 218 219/* Contains a pointer to type target_ovr_attr defining the target specific 220 overrides of format attributes. See c-format.h for structure 221 definition. */ 222#undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES 223#define TARGET_OVERRIDES_FORMAT_ATTRIBUTES mingw_format_attribute_overrides 224 225/* Specify the count of elements in TARGET_OVERRIDES_ATTRIBUTE. */ 226#undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT 227#define TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT 3 228 229/* Custom initialization for warning -Wpedantic-ms-format for c-format. */ 230#undef TARGET_OVERRIDES_FORMAT_INIT 231#define TARGET_OVERRIDES_FORMAT_INIT msformat_init 232 233/* MS specific format attributes for ms_printf, ms_scanf, ms_strftime. */ 234#undef TARGET_FORMAT_TYPES 235#define TARGET_FORMAT_TYPES mingw_format_attributes 236 237#undef TARGET_N_FORMAT_TYPES 238#define TARGET_N_FORMAT_TYPES 3 239 240/* Let defaults.h definition of TARGET_USE_JCR_SECTION apply. */ 241#undef TARGET_USE_JCR_SECTION 242 243#define HAVE_ENABLE_EXECUTE_STACK 244#undef CHECK_EXECUTE_STACK_ENABLED 245#define CHECK_EXECUTE_STACK_ENABLED flag_setstackexecutable 246 247/* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygming. */ 248/* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygwin. */ 249#if DWARF2_UNWIND_INFO 250#define LIBGCC_EH_EXTN "_dw2" 251#else 252#define LIBGCC_EH_EXTN "_sjlj" 253#endif 254#define LIBGCC_SONAME "libgcc_s" LIBGCC_EH_EXTN "-1.dll" 255 256/* We should find a way to not have to update this manually. */ 257#define LIBGCJ_SONAME "libgcj" /*LIBGCC_EH_EXTN*/ "-16.dll" 258