[thirdparty/gcc.git] / gcc / config / i386 / mingw32.h

/* 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, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008,
   2009, 2010, 2011 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

/* Override the standard choice of /usr/include as the default prefix
   to try when searching for header files.  */
#undef STANDARD_INCLUDE_DIR
#define STANDARD_INCLUDE_DIR "/mingw/include"
#undef STANDARD_INCLUDE_COMPONENT
#define STANDARD_INCLUDE_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 "%{shared-libgcc:-lgcc_s} %{!shared-libgcc:-lgcc_eh}"
#else
#define SHARED_LIBGCC_SPEC /*empty*/
#endif
#undef REAL_LIBGCC_SPEC
#define REAL_LIBGCC_SPEC \
  "%{mthreads:-lmingwthrd} -lmingw32 \
   "SHARED_LIBGCC_SPEC" \
   -lgcc \
   -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

/* 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}"

/* 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*/ "-12.dll"
Commit	Line	Data
6407d0da	1	/* Operating system specific defines to be used when targeting GCC for
db009825	2	hosting on Windows32, using GNU tools and the Windows32 API Library.
66647d44	3	Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008,
eb1eb914	4	2009, 2010, 2011 Free Software Foundation, Inc.
6407d0da	5
188fc5b5	6	This file is part of GCC.
6407d0da	7
188fc5b5	8	GCC is free software; you can redistribute it and/or modify
6407d0da	9	it under the terms of the GNU General Public License as published by
2f83c7d6	10	the Free Software Foundation; either version 3, or (at your option)
6407d0da RK	11	any later version.
6407d0da RK	12
188fc5b5	13	GCC is distributed in the hope that it will be useful,
6407d0da RK	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
2f83c7d6 NC	19	along with GCC; see the file COPYING3. If not see
2f83c7d6 NC	20	<http://www.gnu.org/licenses/>. */
6407d0da	21
6510e8bb KT	22	#undef DEFAULT_ABI
	23	#define DEFAULT_ABI MS_ABI
	24
a6c46762 KT	25	/* By default, target has a 80387, uses IEEE compatible arithmetic,
	26	returns float values in the 387 and needs stack probes.
	27	We also align doubles to 64-bits for MSVC default compatibility.
	28	Additionally we enable MS_BITFIELD_LAYOUT by default. */
	29
	30	#undef TARGET_SUBTARGET_DEFAULT
	31	#define TARGET_SUBTARGET_DEFAULT \
	32	(MASK_80387 \| MASK_IEEE_FP \| MASK_FLOAT_RETURNS \
	33	\| MASK_STACK_PROBE \| MASK_ALIGN_DOUBLE \
	34	\| MASK_MS_BITFIELD_LAYOUT)
	35
a7d0b2d8 DS	36	/* See i386/crtdll.h for an alternative definition. _INTEGRAL_MAX_BITS
a7d0b2d8 DS	37	is for compatibility with native compiler. */
f60ed6be NB	38	#define EXTRA_OS_CPP_BUILTINS() \
	39	do \
	40	{ \
	41	builtin_define ("__MSVCRT__"); \
	42	builtin_define ("__MINGW32__"); \
70e5e841 CF	43	builtin_define ("_WIN32"); \
	44	builtin_define_std ("WIN32"); \
	45	builtin_define_std ("WINNT"); \
a7d0b2d8 DS	46	builtin_define_with_int_value ("_INTEGRAL_MAX_BITS", \
a7d0b2d8 DS	47	TYPE_PRECISION (intmax_type_node));\
51212b32	48	if (TARGET_64BIT && ix86_abi == MS_ABI) \
ccf8e764 RH	49	{ \
ccf8e764 RH	50	builtin_define ("__MINGW64__"); \
ccf8e764	51	builtin_define_std ("WIN64"); \
1159da44	52	builtin_define ("_WIN64"); \
ccf8e764	53	} \
f60ed6be NB	54	} \
	55	while (0)
	56
c04bdac0 KT	57	#ifndef TARGET_USE_PTHREAD_BY_DEFAULT
	58	#define SPEC_PTHREAD1 "pthread"
	59	#define SPEC_PTHREAD2 "!no-pthread"
	60	#else
	61	#define SPEC_PTHREAD1 "!no-pthread"
	62	#define SPEC_PTHREAD2 "pthread"
	63	#endif
	64
ad211091 KT	65	#undef SUB_LINK_ENTRY32
	66	#undef SUB_LINK_ENTRY64
	67	#define SUB_LINK_ENTRY32 "-e _DllMainCRTStartup@12"
	68	#if defined(USE_MINGW64_LEADING_UNDERSCORES)
	69	#define SUB_LINK_ENTRY64 "-e _DllMainCRTStartup"
	70	#else
	71	#define SUB_LINK_ENTRY64 "-e DllMainCRTStartup"
	72	#endif
	73
	74	#undef SUB_LINK_ENTRY
	75	#if TARGET_64BIT_DEFAULT
	76	#define SUB_LINK_ENTRY SUB_LINK_ENTRY64
	77	#else
	78	#define SUB_LINK_ENTRY SUB_LINK_ENTRY32
	79	#endif
	80
0bcbfabb AL	81	/* Override the standard choice of /usr/include as the default prefix
0bcbfabb AL	82	to try when searching for header files. */
23092526	83	#undef STANDARD_INCLUDE_DIR
0bcbfabb	84	#define STANDARD_INCLUDE_DIR "/mingw/include"
0a977123 CF	85	#undef STANDARD_INCLUDE_COMPONENT
0a977123 CF	86	#define STANDARD_INCLUDE_COMPONENT "MINGW"
23092526	87
2b9f972f	88	#undef CPP_SPEC
c04bdac0	89	#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{mthreads:-D_MT} " \
0de99d26	90	"%{" SPEC_PTHREAD1 ":-D_REENTRANT} " \
c04bdac0	91	"%{" SPEC_PTHREAD2 ": } "
2b9f972f	92
6407d0da RK	93	/* For Windows applications, include more libraries, but always include
	94	kernel32. */
	95	#undef LIB_SPEC
c04bdac0 KT	96	#define LIB_SPEC "%{pg:-lgmon} %{" SPEC_PTHREAD1 ":-lpthread} " \
	97	"%{" SPEC_PTHREAD2 ": } " \
	98	"%{mwindows:-lgdi32 -lcomdlg32} " \
	99	"-ladvapi32 -lshell32 -luser32 -lkernel32"
6407d0da	100
d89f0ad6 AL	101	/* Weak symbols do not get resolved if using a Windows dll import lib.
	102	Make the unwind registration references strong undefs. */
	103	#if DWARF2_UNWIND_INFO
ad211091 KT	104	/* DW2-unwind is just available for 32-bit mode. */
	105	#if TARGET_64BIT_DEFAULT
	106	#error DW2 unwind is not available for 64-bit.
	107	#endif
d89f0ad6 AL	108	#define SHARED_LIBGCC_UNDEFS_SPEC \
	109	"%{shared-libgcc: -u ___register_frame_info -u ___deregister_frame_info}"
	110	#else
	111	#define SHARED_LIBGCC_UNDEFS_SPEC ""
	112	#endif
	113
	114	#undef SUBTARGET_EXTRA_SPECS
	115	#define SUBTARGET_EXTRA_SPECS \
	116	{ "shared_libgcc_undefs", SHARED_LIBGCC_UNDEFS_SPEC }
	117
9c7c6e6c TP	118	#define LINK_SPEC "%{mwindows:--subsystem windows} \
	119	%{mconsole:--subsystem console} \
	120	%{shared: %{mdll: %eshared and mdll are not compatible}} \
	121	%{shared: --shared} %{mdll:--dll} \
	122	%{static:-Bstatic} %{!static:-Bdynamic} \
ad211091	123	%{shared\|mdll: " SUB_LINK_ENTRY " --enable-auto-image-base} \
d89f0ad6	124	%(shared_libgcc_undefs)"
9c7c6e6c	125
23092526	126	/* Include in the mingw32 libraries with libgcc */
20358adc MP	127	#ifdef ENABLE_SHARED_LIBGCC
	128	#define SHARED_LIBGCC_SPEC "%{shared-libgcc:-lgcc_s} %{!shared-libgcc:-lgcc_eh}"
	129	#else
	130	#define SHARED_LIBGCC_SPEC /empty/
	131	#endif
068450d0 DS	132	#undef REAL_LIBGCC_SPEC
068450d0 DS	133	#define REAL_LIBGCC_SPEC \
de27a12c	134	"%{mthreads:-lmingwthrd} -lmingw32 \
20358adc	135	"SHARED_LIBGCC_SPEC" \
068450d0	136	-lgcc \
d89f0ad6	137	-lmoldname -lmingwex -lmsvcrt"
6407d0da	138
23092526	139	#undef STARTFILE_SPEC
9c7c6e6c	140	#define STARTFILE_SPEC "%{shared\|mdll:dllcrt2%O%s} \
76f5e200 DS	141	%{!shared:%{!mdll:crt2%O%s}} %{pg:gcrt2%O%s} \
76f5e200 DS	142	crtbegin.o%s"
23092526	143
9bd196f0 ZM	144	#undef ENDFILE_SPEC
9bd196f0 ZM	145	#define ENDFILE_SPEC \
0691dde9	146	"%{Ofast\|ffast-math\|funsafe-math-optimizations:crtfastmath.o%s} \
76f5e200	147	crtend.o%s"
9bd196f0	148
656c7a3a AL	149	/* Override startfile prefix defaults. */
	150	#ifndef STANDARD_STARTFILE_PREFIX_1
	151	#define STANDARD_STARTFILE_PREFIX_1 "/mingw/lib/"
	152	#endif
	153	#ifndef STANDARD_STARTFILE_PREFIX_2
	154	#define STANDARD_STARTFILE_PREFIX_2 ""
	155	#endif
0bcbfabb	156
0a977123	157	/* Output STRING, a string representing a filename, to FILE.
d1f87653	158	We canonicalize it to be in Unix format (backslashes are replaced
211a0cbe	159	forward slashes. */
0a977123	160	#undef OUTPUT_QUOTED_STRING
211a0cbe GDR	161	#define OUTPUT_QUOTED_STRING(FILE, STRING) \
211a0cbe GDR	162	do { \
3cda91d8	163	const char _string = (const char ) (STRING); \
211a0cbe GDR	164	char c; \
211a0cbe GDR	165	\
3cda91d8	166	putc ('\"', (FILE)); \
211a0cbe	167	\
3cda91d8	168	while ((c = *_string++) != 0) \
211a0cbe GDR	169	{ \
	170	if (c == '\\') \
	171	c = '/'; \
	172	\
	173	if (ISPRINT (c)) \
	174	{ \
	175	if (c == '\"') \
3cda91d8 UB	176	putc ('\\', (FILE)); \
3cda91d8 UB	177	putc (c, (FILE)); \
211a0cbe GDR	178	} \
211a0cbe GDR	179	else \
3cda91d8	180	fprintf ((FILE), "\\%03o", (unsigned char) c); \
211a0cbe GDR	181	} \
211a0cbe GDR	182	\
3cda91d8	183	putc ('\"', (FILE)); \
23092526 MK	184	} while (0)
23092526 MK	185
d1f87653	186	/* Define as short unsigned for compatibility with MS runtime. */
355426ab DS	187	#undef WINT_TYPE
355426ab DS	188	#define WINT_TYPE "short unsigned int"
33815e0c	189
4d51dc9e	190	/* mingw32 uses the -mthreads option to enable thread support. */
33815e0c	191	#undef GOMP_SELF_SPECS
c9c8f2e8 KT	192	#define GOMP_SELF_SPECS "%{fopenmp\|ftree-parallelize-loops=*: " \
c9c8f2e8 KT	193	"-mthreads -pthread}"
97388150 DS	194
	195	/* mingw32 atexit function is safe to use in shared libraries. Use it
	196	to register C++ static destructors. */
	197	#define TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT hook_bool_void_true
76f5e200	198
6590fc9f KT	199	/* Contains a pointer to type target_ovr_attr defining the target specific
	200	overrides of format attributes. See c-format.h for structure
	201	definition. */
	202	#undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES
	203	#define TARGET_OVERRIDES_FORMAT_ATTRIBUTES mingw_format_attribute_overrides
	204
	205	/* Specify the count of elements in TARGET_OVERRIDES_ATTRIBUTE. */
	206	#undef TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT
	207	#define TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT 3
	208
94564826 KT	209	/* Custom initialization for warning -Wpedantic-ms-format for c-format. */
	210	#undef TARGET_OVERRIDES_FORMAT_INIT
	211	#define TARGET_OVERRIDES_FORMAT_INIT msformat_init
	212
6590fc9f KT	213	/* MS specific format attributes for ms_printf, ms_scanf, ms_strftime. */
	214	#undef TARGET_FORMAT_TYPES
	215	#define TARGET_FORMAT_TYPES mingw_format_attributes
	216
	217	#undef TARGET_N_FORMAT_TYPES
	218	#define TARGET_N_FORMAT_TYPES 3
	219
20384976	220	/* Let defaults.h definition of TARGET_USE_JCR_SECTION apply. */
76f5e200	221	#undef TARGET_USE_JCR_SECTION
76f5e200	222
10e48e39	223	#define HAVE_ENABLE_EXECUTE_STACK
41ca8d08 KT	224	#undef CHECK_EXECUTE_STACK_ENABLED
41ca8d08 KT	225	#define CHECK_EXECUTE_STACK_ENABLED flag_setstackexecutable
0b03b302	226
d89f0ad6	227	/* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygming. */
3cbfaf98 DK	228	/* This matches SHLIB_SONAME and SHLIB_SOVERSION in t-cygwin. */
	229	#if DWARF2_UNWIND_INFO
	230	#define LIBGCC_EH_EXTN "_dw2"
	231	#else
	232	#define LIBGCC_EH_EXTN "_sjlj"
	233	#endif
	234	#define LIBGCC_SONAME "libgcc_s" LIBGCC_EH_EXTN "-1.dll"
6a92b6c7 DK	235
6a92b6c7 DK	236	/* We should find a way to not have to update this manually. */
4c4837a3	237	#define LIBGCJ_SONAME "libgcj" /LIBGCC_EH_EXTN/ "-12.dll"
6a92b6c7	238