/* Operating system specific defines to be used when targeting GCC for hosting on Windows32, using GNU tools and the Windows32 API Library. Copyright (C) 1997-2016 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 . */ #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} " \ "%{fvtable-verify=preinit:-lvtv -lpsapi; \ fvtable-verify=std:-lvtv -lpsapi} " \ "-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 \ %{fvtable-verify=none:%s; \ fvtable-verify=preinit:vtv_start.o%s; \ fvtable-verify=std:vtv_start.o%s}" #undef ENDFILE_SPEC #define ENDFILE_SPEC \ "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ %{!shared:%:if-exists(default-manifest.o%s)}\ %{fvtable-verify=none:%s; \ fvtable-verify=preinit:vtv_end.o%s; \ fvtable-verify=std:vtv_end.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 "%{fopenacc|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*/ "-16.dll"