[thirdparty/gcc.git] / gcc / config / ia64 / hpux.h

/* Definitions of target machine GNU compiler.  IA-64 version.
   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2009, 2010,
   2011, 2012 Free Software Foundation, Inc.
   Contributed by Steve Ellcey <sje@cup.hp.com> and
                  Reva Cuthbertson <reva@cup.hp.com>

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/>.  */

/* Enable HPUX ABI quirks.  */
#undef  TARGET_HPUX
#define TARGET_HPUX 1

#undef WCHAR_TYPE
#define WCHAR_TYPE "unsigned int"

#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32

/* Target OS builtins.  */
#define TARGET_OS_CPP_BUILTINS()			\
do {							\
	builtin_assert("system=hpux");			\
	builtin_assert("system=posix");			\
	builtin_assert("system=unix");			\
	builtin_define_std("hpux");			\
	builtin_define_std("unix");			\
	builtin_define("__IA64__");			\
	builtin_define("_LONGLONG");			\
	builtin_define("_INCLUDE_LONGLONG");		\
	builtin_define("__STDC_EXT__");			\
	builtin_define("_UINT128_T");			\
	if (c_dialect_cxx () || !flag_iso)		\
	  {						\
	    builtin_define("_HPUX_SOURCE");		\
	    builtin_define("__STDCPP__");		\
	    builtin_define("_INCLUDE__STDC_A1_SOURCE");	\
	  }						\
	if (TARGET_ILP32)				\
	  builtin_define("_ILP32");			\
} while (0)

#undef CPP_SPEC
#define CPP_SPEC \
  "%{mt|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}"
/* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD.  These
   affect only aCC's C++ library (Rogue Wave-derived) which we do not
   use, and they violate the user's name space.  */

#undef  ASM_EXTRA_SPEC
#define ASM_EXTRA_SPEC "%{milp32:-milp32} %{mlp64:-mlp64}"

#ifndef USE_GAS
#define AS_NEEDS_DASH_FOR_PIPED_INPUT
#endif

#ifndef CROSS_DIRECTORY_STRUCTURE
#undef MD_EXEC_PREFIX
#define MD_EXEC_PREFIX "/usr/ccs/bin/"

#undef MD_STARTFILE_PREFIX
#define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
#endif

#undef ENDFILE_SPEC

#undef STARTFILE_SPEC
#define STARTFILE_SPEC "%{!shared:%{static:crt0%O%s} \
			  %{mlp64:/usr/lib/hpux64/unix98%O%s} \
			  %{!mlp64:/usr/lib/hpux32/unix98%O%s}}"

#undef LINK_SPEC
#define LINK_SPEC \
  "-z +Accept TypeMismatch \
   %{shared:-b} \
   %{!shared: \
     -u main \
     %{static:-noshared}}"

#undef  LIB_SPEC
#define LIB_SPEC \
  "%{!shared: \
     %{mt|pthread:%{fopenmp:-lrt} -lpthread} \
     %{p:%{!mlp64:-L/usr/lib/hpux32/libp} \
	 %{mlp64:-L/usr/lib/hpux64/libp} -lprof} \
     %{pg:%{!mlp64:-L/usr/lib/hpux32/libp} \
	  %{mlp64:-L/usr/lib/hpux64/libp} -lgprof} \
     %{!symbolic:-lc}}"

#define MULTILIB_DEFAULTS { "milp32" }

/* A C expression whose value is zero if pointers that need to be extended
   from being `POINTER_SIZE' bits wide to `Pmode' are sign-extended and
   greater then zero if they are zero-extended and less then zero if the
   ptr_extend instruction should be used.  */

#define POINTERS_EXTEND_UNSIGNED -1

#define JMP_BUF_SIZE  (8 * 76)

#undef TARGET_DEFAULT
#define TARGET_DEFAULT \
  (MASK_DWARF2_ASM | MASK_BIG_ENDIAN | MASK_ILP32)

/* ASM_OUTPUT_EXTERNAL_LIBCALL defaults to just a globalize_label call,
   but that doesn't put out the @function type information which causes
   shared library problems.  */

#undef ASM_OUTPUT_EXTERNAL_LIBCALL
#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN)			\
do {								\
  (*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0));	\
  ASM_OUTPUT_TYPE_DIRECTIVE (FILE, XSTR (FUN, 0), "function");	\
} while (0)

#undef FUNCTION_ARG_PADDING
#define FUNCTION_ARG_PADDING(MODE, TYPE) \
	ia64_hpux_function_arg_padding ((MODE), (TYPE))

#undef PAD_VARARGS_DOWN
#define PAD_VARARGS_DOWN (!AGGREGATE_TYPE_P (type))

#define REGISTER_TARGET_PRAGMAS() \
  c_register_pragma (0, "builtin", ia64_hpux_handle_builtin_pragma)

/* Tell ia64.c that we are using the HP linker and we should delay output of
   function extern declarations so that we don't output them for functions
   which are never used (and may not be defined).  */

#undef TARGET_HPUX_LD
#define TARGET_HPUX_LD	1

/* The HPUX dynamic linker objects to weak symbols with no
   definitions, so do not use them in gthr-posix.h.  */
#define GTHREAD_USE_WEAK 0

#undef CTORS_SECTION_ASM_OP
#define CTORS_SECTION_ASM_OP  "\t.section\t.init_array,\t\"aw\",\"init_array\""

#undef DTORS_SECTION_ASM_OP
#define DTORS_SECTION_ASM_OP  "\t.section\t.fini_array,\t\"aw\",\"fini_array\""

/* The init_array/fini_array technique does not permit the use of
   initialization priorities.  */
#define SUPPORTS_INIT_PRIORITY 0

#undef READONLY_DATA_SECTION_ASM_OP
#define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata,\t\"a\",\t\"progbits\""

#undef DATA_SECTION_ASM_OP
#define DATA_SECTION_ASM_OP "\t.section\t.data,\t\"aw\",\t\"progbits\""

#undef SDATA_SECTION_ASM_OP
#define SDATA_SECTION_ASM_OP "\t.section\t.sdata,\t\"asw\",\t\"progbits\""

#undef BSS_SECTION_ASM_OP
#define BSS_SECTION_ASM_OP "\t.section\t.bss,\t\"aw\",\t\"nobits\""

#undef SBSS_SECTION_ASM_OP
#define SBSS_SECTION_ASM_OP "\t.section\t.sbss,\t\"asw\",\t\"nobits\""

#undef TEXT_SECTION_ASM_OP
#define TEXT_SECTION_ASM_OP "\t.section\t.text,\t\"ax\",\t\"progbits\""

/* It is illegal to have relocations in shared segments on HPUX.
   Pretend flag_pic is always set.  */
#undef  TARGET_ASM_RELOC_RW_MASK
#define TARGET_ASM_RELOC_RW_MASK  ia64_hpux_reloc_rw_mask

/* ia64 HPUX has the float and long double forms of math functions.  */
#undef TARGET_C99_FUNCTIONS
#define TARGET_C99_FUNCTIONS  1

#undef TARGET_INIT_LIBFUNCS
#define TARGET_INIT_LIBFUNCS ia64_hpux_init_libfuncs

#define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) ((MODE) == TFmode)

/* Put all *xf routines in libgcc, regardless of long double size.  */
#undef LIBGCC2_HAS_XF_MODE
#define LIBGCC2_HAS_XF_MODE 1
#define XF_SIZE 64

/* Put all *tf routines in libgcc, regardless of long double size.  */
#undef LIBGCC2_HAS_TF_MODE
#define LIBGCC2_HAS_TF_MODE 1
#define TF_SIZE 113

/* HP-UX headers are C++-compatible.  */
#define NO_IMPLICIT_EXTERN_C

/* HP-UX uses PROFILE_HOOK instead of FUNCTION_PROFILER but we need a
   FUNCTION_PROFILER defined because its use is not ifdefed.  When using
   PROFILE_HOOK, the profile call comes after the prologue.  */

#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) do { } while (0)

#undef PROFILE_HOOK
#define PROFILE_HOOK(LABEL) ia64_profile_hook (LABEL)

#undef  PROFILE_BEFORE_PROLOGUE

#undef NO_PROFILE_COUNTERS
#define NO_PROFILE_COUNTERS 0

/* The HP-UX linker has a bug that causes calls from functions in
   .text.unlikely to functions in .text to cause a segfault.  Until
   it is fixed, prevent code from being put into .text.unlikely or
   .text.hot.  */

#define TARGET_ASM_FUNCTION_SECTION ia64_hpux_function_section

#define TARGET_POSIX_IO

/* Define this to be nonzero if static stack checking is supported.  */
#define STACK_CHECK_STATIC_BUILTIN 1

/* Minimum amount of stack required to recover from an anticipated stack
   overflow detection.  */
#define STACK_CHECK_PROTECT (24 * 1024)
Commit	Line	Data
d838d791	1	/* Definitions of target machine GNU compiler. IA-64 version.
a19f368c	2	Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2009, 2010,
71e45bc2	3	2011, 2012 Free Software Foundation, Inc.
d838d791	4	Contributed by Steve Ellcey <sje@cup.hp.com> and
	5	Reva Cuthbertson <reva@cup.hp.com>
	6
73f45a5c	7	This file is part of GCC.
d838d791	8
73f45a5c	9	GCC is free software; you can redistribute it and/or modify
d838d791	10	it under the terms of the GNU General Public License as published by
038d1e19	11	the Free Software Foundation; either version 3, or (at your option)
d838d791	12	any later version.
d838d791	13
73f45a5c	14	GCC is distributed in the hope that it will be useful,
d838d791	15	but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	GNU General Public License for more details.
	18
	19	You should have received a copy of the GNU General Public License
038d1e19	20	along with GCC; see the file COPYING3. If not see
038d1e19	21	<http://www.gnu.org/licenses/>. */
d838d791	22
b8bc42e9	23	/* Enable HPUX ABI quirks. */
	24	#undef TARGET_HPUX
	25	#define TARGET_HPUX 1
	26
a11d44c6	27	#undef WCHAR_TYPE
	28	#define WCHAR_TYPE "unsigned int"
	29
	30	#undef WCHAR_TYPE_SIZE
	31	#define WCHAR_TYPE_SIZE 32
	32
80e426a6	33	/* Target OS builtins. */
80e426a6	34	#define TARGET_OS_CPP_BUILTINS() \
	35	do { \
	36	builtin_assert("system=hpux"); \
	37	builtin_assert("system=posix"); \
	38	builtin_assert("system=unix"); \
	39	builtin_define_std("hpux"); \
	40	builtin_define_std("unix"); \
	41	builtin_define("__IA64__"); \
	42	builtin_define("_LONGLONG"); \
21eae472	43	builtin_define("_INCLUDE_LONGLONG"); \
43cb9222	44	builtin_define("__STDC_EXT__"); \
80e426a6	45	builtin_define("_UINT128_T"); \
71c97472	46	if (c_dialect_cxx () \|\| !flag_iso) \
80e426a6	47	{ \
80e426a6	48	builtin_define("_HPUX_SOURCE"); \
6942761b	49	builtin_define("__STDCPP__"); \
2fa6c4e5	50	builtin_define("_INCLUDE__STDC_A1_SOURCE"); \
80e426a6	51	} \
5c777a00	52	if (TARGET_ILP32) \
5c777a00	53	builtin_define("_ILP32"); \
80e426a6	54	} while (0)
d838d791	55
120a2fed	56	#undef CPP_SPEC
	57	#define CPP_SPEC \
	58	"%{mt\|pthread:-D_REENTRANT -D_THREAD_SAFE -D_POSIX_C_SOURCE=199506L}"
	59	/* aCC defines also -DRWSTD_MULTI_THREAD, -DRW_MULTI_THREAD. These
	60	affect only aCC's C++ library (Rogue Wave-derived) which we do not
	61	use, and they violate the user's name space. */
	62
463e830e	63	#undef ASM_EXTRA_SPEC
463e830e	64	#define ASM_EXTRA_SPEC "%{milp32:-milp32} %{mlp64:-mlp64}"
d838d791	65
622e35a9	66	#ifndef USE_GAS
	67	#define AS_NEEDS_DASH_FOR_PIPED_INPUT
	68	#endif
	69
780f79dc	70	#ifndef CROSS_DIRECTORY_STRUCTURE
	71	#undef MD_EXEC_PREFIX
	72	#define MD_EXEC_PREFIX "/usr/ccs/bin/"
	73
	74	#undef MD_STARTFILE_PREFIX
	75	#define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
	76	#endif
	77
d838d791	78	#undef ENDFILE_SPEC
	79
	80	#undef STARTFILE_SPEC
2fa6c4e5	81	#define STARTFILE_SPEC "%{!shared:%{static:crt0%O%s} \
	82	%{mlp64:/usr/lib/hpux64/unix98%O%s} \
	83	%{!mlp64:/usr/lib/hpux32/unix98%O%s}}"
cfea3820	84
d838d791	85	#undef LINK_SPEC
cfea3820	86	#define LINK_SPEC \
489fc1bc	87	"-z +Accept TypeMismatch \
cfea3820	88	%{shared:-b} \
	89	%{!shared: \
	90	-u main \
	91	%{static:-noshared}}"
d838d791	92
d838d791	93	#undef LIB_SPEC
cfea3820	94	#define LIB_SPEC \
cfea3820	95	"%{!shared: \
202cd5ca	96	%{mt\|pthread:%{fopenmp:-lrt} -lpthread} \
cfea3820	97	%{p:%{!mlp64:-L/usr/lib/hpux32/libp} \
	98	%{mlp64:-L/usr/lib/hpux64/libp} -lprof} \
	99	%{pg:%{!mlp64:-L/usr/lib/hpux32/libp} \
	100	%{mlp64:-L/usr/lib/hpux64/libp} -lgprof} \
	101	%{!symbolic:-lc}}"
	102
063c2715	103	#define MULTILIB_DEFAULTS { "milp32" }
063c2715	104
3cc092f7	105	/* A C expression whose value is zero if pointers that need to be extended
	106	from being `POINTER_SIZE' bits wide to `Pmode' are sign-extended and
	107	greater then zero if they are zero-extended and less then zero if the
	108	ptr_extend instruction should be used. */
	109
	110	#define POINTERS_EXTEND_UNSIGNED -1
	111
d838d791	112	#define JMP_BUF_SIZE (8 * 76)
d838d791	113
d838d791	114	#undef TARGET_DEFAULT
c1cc6575	115	#define TARGET_DEFAULT \
dd7870fa	116	(MASK_DWARF2_ASM \| MASK_BIG_ENDIAN \| MASK_ILP32)
23551094	117
b44dc256	118	/* ASM_OUTPUT_EXTERNAL_LIBCALL defaults to just a globalize_label call,
	119	but that doesn't put out the @function type information which causes
	120	shared library problems. */
	121
	122	#undef ASM_OUTPUT_EXTERNAL_LIBCALL
	123	#define ASM_OUTPUT_EXTERNAL_LIBCALL(FILE, FUN) \
	124	do { \
	125	(*targetm.asm_out.globalize_label) (FILE, XSTR (FUN, 0)); \
	126	ASM_OUTPUT_TYPE_DIRECTIVE (FILE, XSTR (FUN, 0), "function"); \
	127	} while (0)
	128
23551094	129	#undef FUNCTION_ARG_PADDING
	130	#define FUNCTION_ARG_PADDING(MODE, TYPE) \
	131	ia64_hpux_function_arg_padding ((MODE), (TYPE))
	132
	133	#undef PAD_VARARGS_DOWN
	134	#define PAD_VARARGS_DOWN (!AGGREGATE_TYPE_P (type))
23ebf0fe	135
eb180587	136	#define REGISTER_TARGET_PRAGMAS() \
eb180587	137	c_register_pragma (0, "builtin", ia64_hpux_handle_builtin_pragma)
d7b7c754	138
	139	/* Tell ia64.c that we are using the HP linker and we should delay output of
	140	function extern declarations so that we don't output them for functions
	141	which are never used (and may not be defined). */
	142
	143	#undef TARGET_HPUX_LD
	144	#define TARGET_HPUX_LD 1
	145
120a2fed	146	/* The HPUX dynamic linker objects to weak symbols with no
	147	definitions, so do not use them in gthr-posix.h. */
	148	#define GTHREAD_USE_WEAK 0
	149
8e7fb219	150	#undef CTORS_SECTION_ASM_OP
	151	#define CTORS_SECTION_ASM_OP "\t.section\t.init_array,\t\"aw\",\"init_array\""
	152
	153	#undef DTORS_SECTION_ASM_OP
	154	#define DTORS_SECTION_ASM_OP "\t.section\t.fini_array,\t\"aw\",\"fini_array\""
	155
2ab59802	156	/* The init_array/fini_array technique does not permit the use of
	157	initialization priorities. */
	158	#define SUPPORTS_INIT_PRIORITY 0
	159
8e7fb219	160	#undef READONLY_DATA_SECTION_ASM_OP
	161	#define READONLY_DATA_SECTION_ASM_OP "\t.section\t.rodata,\t\"a\",\t\"progbits\""
	162
	163	#undef DATA_SECTION_ASM_OP
	164	#define DATA_SECTION_ASM_OP "\t.section\t.data,\t\"aw\",\t\"progbits\""
	165
	166	#undef SDATA_SECTION_ASM_OP
	167	#define SDATA_SECTION_ASM_OP "\t.section\t.sdata,\t\"asw\",\t\"progbits\""
	168
	169	#undef BSS_SECTION_ASM_OP
	170	#define BSS_SECTION_ASM_OP "\t.section\t.bss,\t\"aw\",\t\"nobits\""
	171
	172	#undef SBSS_SECTION_ASM_OP
	173	#define SBSS_SECTION_ASM_OP "\t.section\t.sbss,\t\"asw\",\t\"nobits\""
	174
	175	#undef TEXT_SECTION_ASM_OP
	176	#define TEXT_SECTION_ASM_OP "\t.section\t.text,\t\"ax\",\t\"progbits\""
4004adf0	177
	178	/* It is illegal to have relocations in shared segments on HPUX.
	179	Pretend flag_pic is always set. */
4e151b05	180	#undef TARGET_ASM_RELOC_RW_MASK
4e151b05	181	#define TARGET_ASM_RELOC_RW_MASK ia64_hpux_reloc_rw_mask
63d3e737	182
	183	/* ia64 HPUX has the float and long double forms of math functions. */
	184	#undef TARGET_C99_FUNCTIONS
	185	#define TARGET_C99_FUNCTIONS 1
	186
ea5219c2	187	#undef TARGET_INIT_LIBFUNCS
f2f543a3	188	#define TARGET_INIT_LIBFUNCS ia64_hpux_init_libfuncs
	189
	190	#define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) ((MODE) == TFmode)
30d98e61	191
	192	/* Put all xf routines in libgcc, regardless of long double size. /
	193	#undef LIBGCC2_HAS_XF_MODE
	194	#define LIBGCC2_HAS_XF_MODE 1
3212edfa	195	#define XF_SIZE 64
30d98e61	196
	197	/* Put all tf routines in libgcc, regardless of long double size. /
	198	#undef LIBGCC2_HAS_TF_MODE
	199	#define LIBGCC2_HAS_TF_MODE 1
3212edfa	200	#define TF_SIZE 113
8c23b8da	201
	202	/* HP-UX headers are C++-compatible. */
	203	#define NO_IMPLICIT_EXTERN_C
f0ae8b21	204
	205	/* HP-UX uses PROFILE_HOOK instead of FUNCTION_PROFILER but we need a
	206	FUNCTION_PROFILER defined because its use is not ifdefed. When using
	207	PROFILE_HOOK, the profile call comes after the prologue. */
	208
	209	#undef FUNCTION_PROFILER
	210	#define FUNCTION_PROFILER(FILE, LABELNO) do { } while (0)
	211
	212	#undef PROFILE_HOOK
	213	#define PROFILE_HOOK(LABEL) ia64_profile_hook (LABEL)
	214
	215	#undef PROFILE_BEFORE_PROLOGUE
	216
	217	#undef NO_PROFILE_COUNTERS
	218	#define NO_PROFILE_COUNTERS 0
066cf272	219
7fa16a61	220	/* The HP-UX linker has a bug that causes calls from functions in
	221	.text.unlikely to functions in .text to cause a segfault. Until
	222	it is fixed, prevent code from being put into .text.unlikely or
	223	.text.hot. */
	224
3b73548b	225	#define TARGET_ASM_FUNCTION_SECTION ia64_hpux_function_section
44dcfcab	226
44dcfcab	227	#define TARGET_POSIX_IO
28d5c3d9	228
	229	/* Define this to be nonzero if static stack checking is supported. */
	230	#define STACK_CHECK_STATIC_BUILTIN 1
	231
	232	/* Minimum amount of stack required to recover from an anticipated stack
	233	overflow detection. */
	234	#define STACK_CHECK_PROTECT (24 * 1024)