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netbsd/external/gpl3/gcc.old/dist/gcc/config/i386/mingw32.h
Lionel Sambuc db4f849365 2015/10/10 12:00:00 UTC
2015-10-15 10:25:28 +02:00

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/* Operating system specific defines to be used when targeting GCC for
hosting on Windows32, using GNU tools and the Windows32 API Library.
Copyright (C) 1997-2013 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"
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