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Diffstat (limited to 'gcc-4.9/gcc/config/i386/mingw32.h')
| -rw-r--r-- | gcc-4.9/gcc/config/i386/mingw32.h | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/i386/mingw32.h b/gcc-4.9/gcc/config/i386/mingw32.h new file mode 100644 index 000000000..f56382095 --- /dev/null +++ b/gcc-4.9/gcc/config/i386/mingw32.h @@ -0,0 +1,248 @@ +/* Operating system specific defines to be used when targeting GCC for + hosting on Windows32, using GNU tools and the Windows32 API Library. + Copyright (C) 1997-2014 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +GCC is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#undef DEFAULT_ABI +#define DEFAULT_ABI MS_ABI + +/* By default, target has a 80387, uses IEEE compatible arithmetic, + returns float values in the 387 and needs stack probes. + We also align doubles to 64-bits for MSVC default compatibility. + Additionally we enable MS_BITFIELD_LAYOUT by default. */ + +#undef TARGET_SUBTARGET_DEFAULT +#define TARGET_SUBTARGET_DEFAULT \ + (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS \ + | MASK_STACK_PROBE | MASK_ALIGN_DOUBLE \ + | MASK_MS_BITFIELD_LAYOUT) + +/* See i386/crtdll.h for an alternative definition. _INTEGRAL_MAX_BITS + is for compatibility with native compiler. */ +#define EXTRA_OS_CPP_BUILTINS() \ + do \ + { \ + builtin_define ("__MSVCRT__"); \ + builtin_define ("__MINGW32__"); \ + builtin_define ("_WIN32"); \ + builtin_define_std ("WIN32"); \ + builtin_define_std ("WINNT"); \ + builtin_define_with_int_value ("_INTEGRAL_MAX_BITS", \ + TYPE_PRECISION (intmax_type_node));\ + if (TARGET_64BIT && ix86_abi == MS_ABI) \ + { \ + builtin_define ("__MINGW64__"); \ + builtin_define_std ("WIN64"); \ + builtin_define ("_WIN64"); \ + } \ + } \ + while (0) + +#ifndef TARGET_USE_PTHREAD_BY_DEFAULT +#define SPEC_PTHREAD1 "pthread" +#define SPEC_PTHREAD2 "!no-pthread" +#else +#define SPEC_PTHREAD1 "!no-pthread" +#define SPEC_PTHREAD2 "pthread" +#endif + +#undef SUB_LINK_ENTRY32 +#undef SUB_LINK_ENTRY64 +#define SUB_LINK_ENTRY32 "-e _DllMainCRTStartup@12" +#if defined(USE_MINGW64_LEADING_UNDERSCORES) +#define SUB_LINK_ENTRY64 "-e _DllMainCRTStartup" +#else +#define SUB_LINK_ENTRY64 "-e DllMainCRTStartup" +#endif + +#undef SUB_LINK_ENTRY +#if TARGET_64BIT_DEFAULT +#define SUB_LINK_ENTRY SUB_LINK_ENTRY64 +#else +#define SUB_LINK_ENTRY SUB_LINK_ENTRY32 +#endif + +#undef NATIVE_SYSTEM_HEADER_COMPONENT +#define NATIVE_SYSTEM_HEADER_COMPONENT "MINGW" + +#undef CPP_SPEC +#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT} " \ + "%{" SPEC_PTHREAD1 ":-D_REENTRANT} " \ + "%{" SPEC_PTHREAD2 ": } " + +/* For Windows applications, include more libraries, but always include + kernel32. */ +#undef LIB_SPEC +#define LIB_SPEC "%{pg:-lgmon} %{" SPEC_PTHREAD1 ":-lpthread} " \ + "%{" SPEC_PTHREAD2 ": } " \ + "%{mwindows:-lgdi32 -lcomdlg32} " \ + "-ladvapi32 -lshell32 -luser32 -lkernel32" + +/* Weak symbols do not get resolved if using a Windows dll import lib. + Make the unwind registration references strong undefs. */ +#if DWARF2_UNWIND_INFO +/* DW2-unwind is just available for 32-bit mode. */ +#if TARGET_64BIT_DEFAULT +#error DW2 unwind is not available for 64-bit. +#endif +#define SHARED_LIBGCC_UNDEFS_SPEC \ + "%{shared-libgcc: -u ___register_frame_info -u ___deregister_frame_info}" +#else +#define SHARED_LIBGCC_UNDEFS_SPEC "" +#endif + +#undef SUBTARGET_EXTRA_SPECS +#define SUBTARGET_EXTRA_SPECS \ + { "shared_libgcc_undefs", SHARED_LIBGCC_UNDEFS_SPEC } + +#define LINK_SPEC "%{mwindows:--subsystem windows} \ + %{mconsole:--subsystem console} \ + %{shared: %{mdll: %eshared and mdll are not compatible}} \ + %{shared: --shared} %{mdll:--dll} \ + %{static:-Bstatic} %{!static:-Bdynamic} \ + %{shared|mdll: " SUB_LINK_ENTRY " --enable-auto-image-base} \ + %(shared_libgcc_undefs)" + +/* Include in the mingw32 libraries with libgcc */ +#ifdef ENABLE_SHARED_LIBGCC +#define SHARED_LIBGCC_SPEC " \ + %{static|static-libgcc:-lgcc -lgcc_eh} \ + %{!static: \ + %{!static-libgcc: \ + %{!shared: \ + %{!shared-libgcc:-lgcc -lgcc_eh} \ + %{shared-libgcc:-lgcc_s -lgcc} \ + } \ + %{shared:-lgcc_s -lgcc} \ + } \ + } " +#else +#define SHARED_LIBGCC_SPEC " -lgcc " +#endif +#undef REAL_LIBGCC_SPEC +#define REAL_LIBGCC_SPEC \ + "%{mthreads:-lmingwthrd} -lmingw32 \ + "SHARED_LIBGCC_SPEC" \ + -lmoldname -lmingwex -lmsvcrt" + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC "%{shared|mdll:dllcrt2%O%s} \ + %{!shared:%{!mdll:crt2%O%s}} %{pg:gcrt2%O%s} \ + crtbegin.o%s" + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC \ + "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ + crtend.o%s" + +/* Override startfile prefix defaults. */ +#ifndef STANDARD_STARTFILE_PREFIX_1 +#define STANDARD_STARTFILE_PREFIX_1 "/mingw/lib/" +#endif +#ifndef STANDARD_STARTFILE_PREFIX_2 +#define STANDARD_STARTFILE_PREFIX_2 "" +#endif + +/* For native mingw-version we need to take care that NATIVE_SYSTEM_HEADER_DIR + macro contains POSIX-style path. See bug 52947. */ +#undef NATIVE_SYSTEM_HEADER_DIR +#define NATIVE_SYSTEM_HEADER_DIR "/mingw/include" + +/* Output STRING, a string representing a filename, to FILE. + We canonicalize it to be in Unix format (backslashes are replaced + forward slashes. */ +#undef OUTPUT_QUOTED_STRING +#define OUTPUT_QUOTED_STRING(FILE, STRING) \ +do { \ + const char *_string = (const char *) (STRING); \ + char c; \ + \ + putc ('\"', (FILE)); \ + \ + while ((c = *_string++) != 0) \ + { \ + if (c == '\\') \ + c = '/'; \ + \ + if (ISPRINT (c)) \ + { \ + if (c == '\"') \ + putc ('\\', (FILE)); \ + putc (c, (FILE)); \ + } \ + else \ + fprintf ((FILE), "\\%03o", (unsigned char) c); \ + } \ + \ + putc ('\"', (FILE)); \ +} while (0) + +/* Define as short unsigned for compatibility with MS runtime. */ +#undef WINT_TYPE +#define WINT_TYPE "short unsigned int" + +/* mingw32 uses the -mthreads option to enable thread support. */ +#undef GOMP_SELF_SPECS +#define GOMP_SELF_SPECS "%{fopenmp|ftree-parallelize-loops=*: " \ + "-mthreads -pthread}" +#undef GTM_SELF_SPECS +#define GTM_SELF_SPECS "%{fgnu-tm:-mthreads -pthread}" + +/* mingw32 atexit function is safe to use in shared libraries. Use it + to register C++ static destructors. */ +#define TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT hook_bool_void_true + +/* Contains a pointer to type target_ovr_attr defining the target specific + overrides of format attributes. See c-format.h for structure + definition. */ +#undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES +#define TARGET_OVERRIDES_FORMAT_ATTRIBUTES mingw_format_attribute_overrides + +/* Specify the count of elements in TARGET_OVERRIDES_ATTRIBUTE. */ +#undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT +#define TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT 3 + +/* Custom initialization for warning -Wpedantic-ms-format for c-format. */ +#undef TARGET_OVERRIDES_FORMAT_INIT +#define TARGET_OVERRIDES_FORMAT_INIT msformat_init + +/* MS specific format attributes for ms_printf, ms_scanf, ms_strftime. */ +#undef TARGET_FORMAT_TYPES +#define TARGET_FORMAT_TYPES mingw_format_attributes + +#undef TARGET_N_FORMAT_TYPES +#define TARGET_N_FORMAT_TYPES 3 + +/* Let defaults.h definition of TARGET_USE_JCR_SECTION apply. */ +#undef TARGET_USE_JCR_SECTION + +#define HAVE_ENABLE_EXECUTE_STACK +#undef CHECK_EXECUTE_STACK_ENABLED +#define CHECK_EXECUTE_STACK_ENABLED flag_setstackexecutable + +/* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygming. */ +/* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygwin. */ +#if DWARF2_UNWIND_INFO +#define LIBGCC_EH_EXTN "_dw2" +#else +#define LIBGCC_EH_EXTN "_sjlj" +#endif +#define LIBGCC_SONAME "libgcc_s" LIBGCC_EH_EXTN "-1.dll" + +/* We should find a way to not have to update this manually. */ +#define LIBGCJ_SONAME "libgcj" /*LIBGCC_EH_EXTN*/ "-13.dll" |