[gcc.git] / gcc / config / rs6000 / aix71.h

// SPDX-License-Identifier: GPL-3.0-or-later
/* Definitions of target machine for GNU compiler,
   for IBM RS/6000 POWER running AIX V7.1.
   Copyright (C) 2002-2024 Free Software Foundation, Inc.
   Contributed by David Edelsohn (edelsohn@gnu.org).

   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/>.  */

/* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
   get control in TARGET_OPTION_OVERRIDE.  */

#define SUBTARGET_OVERRIDE_OPTIONS					\
do {									\
  if (TARGET_64BIT && ! TARGET_POWERPC64)				\
    {									\
      rs6000_isa_flags |= OPTION_MASK_POWERPC64;			\
      warning (0, "%<-maix64%> requires PowerPC64 architecture remain enabled"); \
    }									\
  if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128)			\
    {									\
      rs6000_long_double_type_size = 64;				\
      if (OPTION_SET_P (rs6000_long_double_type_size))		\
	warning (0, "soft-float and long-double-128 are incompatible");	\
    }									\
  if (TARGET_POWERPC64 && ! TARGET_64BIT)				\
    {									\
      error ("%<-maix64%> required: 64-bit computation with 32-bit addressing not yet supported"); \
    }									\
  if ((rs6000_isa_flags_explicit					\
       & OPTION_MASK_MINIMAL_TOC) != 0)					\
    {									\
      if (OPTION_SET_P (rs6000_current_cmodel)			\
	  && rs6000_current_cmodel != CMODEL_SMALL)			\
	error ("%<-mcmodel%> incompatible with other toc options"); 	\
      SET_CMODEL (CMODEL_SMALL);					\
    }									\
  if (rs6000_current_cmodel != CMODEL_SMALL)				\
    {									\
      TARGET_NO_FP_IN_TOC = 1;						\
      TARGET_NO_SUM_IN_TOC = 1;						\
    }									\
  if (rs6000_current_cmodel == CMODEL_MEDIUM)				\
    {									\
      rs6000_current_cmodel = CMODEL_LARGE;				\
    }									\
  if (! strcmp (lang_hooks.name, "GNU Go")				\
      && TARGET_32BIT)							\
    {									\
      /* aix/ppc doesn't support -mvsx and -maltivec with Go */		\
      rs6000_isa_flags &= ~(OPTION_MASK_VSX | OPTION_MASK_ALTIVEC);	\
    }									\
  if (!OPTION_SET_P (dwarf_version))				\
    /* AIX only supports DWARF 4.  */					\
    dwarf_version = 4;							\
} while (0)

#define ASM_SPEC32 "-a32"
#define ASM_SPEC64 "-a64"
#define ASM_SPEC_COMMON "-u %(asm_cpu)"

/* Common ASM definitions used by ASM_SPEC amongst the various targets for
   handling -mcpu=xxx switches.  There is a parallel list in driver-rs6000.cc to
   provide the default assembler options if the user uses -mcpu=native, so if
   you make changes here, make them there also.  */
#undef ASM_CPU_SPEC
#define ASM_CPU_SPEC \
"%{mcpu=native: %(asm_cpu_native); \
  mcpu=power11: -mpwr11; \
  mcpu=power10: -mpwr10; \
  mcpu=power9: -mpwr9; \
  mcpu=power8: -mpwr8; \
  mcpu=power7: -mpwr7; \
  mcpu=power6x|mcpu=power6: -mpwr6; \
  mcpu=power5+: -mpwr5x; \
  mcpu=power5: -mpwr5; \
  mcpu=power4: -mpwr4; \
  mcpu=power3: -m620; \
  mcpu=powerpc: -mppc; \
  mcpu=rs64: -mppc; \
  mcpu=603: -m603; \
  mcpu=603e: -m603; \
  mcpu=604: -m604; \
  mcpu=604e: -m604; \
  mcpu=620: -m620; \
  mcpu=630: -m620; \
  mcpu=970|mcpu=G5: -m970; \
  !mcpu*: %(asm_default)} \
-many"

#undef	ASM_DEFAULT_SPEC
#define ASM_DEFAULT_SPEC "-mpwr4"

#undef TARGET_OS_CPP_BUILTINS
#define TARGET_OS_CPP_BUILTINS()     \
  do                                 \
    {                                \
      builtin_define ("_AIX43");     \
      builtin_define ("_AIX51");     \
      builtin_define ("_AIX52");     \
      builtin_define ("_AIX53");     \
      builtin_define ("_AIX61");     \
      builtin_define ("_AIX71");     \
      TARGET_OS_AIX_CPP_BUILTINS (); \
    }                                \
  while (0)

#define CPP_SPEC32 ""
#define CPP_SPEC64 "-D__64BIT__"
#define CPP_SPEC_COMMON "%{posix: -D_POSIX_SOURCE} \
  %{ansi: -D_ANSI_C_SOURCE}			\
  %{mpe: -I%R/usr/lpp/ppe.poe/include}		\
  %{pthread: -D_THREAD_SAFE}"

/* The GNU C++ standard library requires that these macros be 
   defined.  Synchronize with libstdc++ os_defines.h.  */
#define CPLUSPLUS_CPP_SPEC_COMMON		\
  "-D_ALL_SOURCE -D__COMPATMATH__		\
   %{mpe: -I%R/usr/lpp/ppe.poe/include}		\
   %{pthread: -D_THREAD_SAFE}"

#define RS6000_CPU(NAME, CPU, FLAGS)
#include "rs6000-cpus.def"
#undef RS6000_CPU

#undef  TARGET_DEFAULT
#ifdef RS6000_BI_ARCH
#define TARGET_DEFAULT (OPTION_MASK_PPC_GPOPT | OPTION_MASK_PPC_GFXOPT \
			| OPTION_MASK_MFCRF | MASK_POWERPC64 | MASK_64BIT)
#else
#define TARGET_DEFAULT (OPTION_MASK_PPC_GPOPT | OPTION_MASK_PPC_GFXOPT \
			| OPTION_MASK_MFCRF)
#endif

#undef  PROCESSOR_DEFAULT
#define PROCESSOR_DEFAULT PROCESSOR_POWER7
#undef  PROCESSOR_DEFAULT64
#define PROCESSOR_DEFAULT64 PROCESSOR_POWER7

/* AIX 7.1 kernel and assembler have necessary support for Altivec and VSX.  */
#undef OS_MISSING_ALTIVEC

/* Define this macro as a C expression for the initializer of an
   array of string to tell the driver program which options are
   defaults for this target and thus do not need to be handled
   specially when using `MULTILIB_OPTIONS'.

   Do not define this macro if `MULTILIB_OPTIONS' is not defined in
   the target makefile fragment or if none of the options listed in
   `MULTILIB_OPTIONS' are set by default.  *Note Target Fragment::.  */

#undef MULTILIB_DEFAULTS

#define DEFAULT_ARCH64_P (TARGET_DEFAULT & MASK_64BIT)

#define LIB_SPEC32 "%{!shared:%{g*:-lg}}"
#define LIB_SPEC64 ""
#define LIB_SPEC_COMMON "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\
   %{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\
   %{fprofile-arcs|fprofile-generate*|coverage:-lpthreads}\
   %{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
   %{mlong-double-128:-lc128}\
   %{pthread:-lpthreads} -lc"

#define LINK_SPEC32 "%{!shared:%{g*: %(link_libg) }} -b32"
#define LINK_SPEC64 "-b64"
#define LINK_SPEC_COMMON "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro}\
   %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
   %{mpe:-binitfini:poe_remote_main} "

#undef STARTFILE_SPEC
#if DEFAULT_ARCH64_P
#define STARTFILE_SPEC "%{!shared:\
   %{!maix32:%{pg:gcrt0_64%O%s;:%{p:mcrt0_64%O%s;:crt0_64%O%s}};:\
     %{pthread:%{pg:gcrt0_r%O%s;:%{p:mcrt0_r%O%s;:crt0_r%O%s}};:\
       %{pg:gcrt0%O%s;:%{p:mcrt0%O%s;:crt0%O%s}}}}}\
   %{!maix32:%{shared:crtcxa_64_s%O%s;:crtcxa_64%O%s} crtdbase_64%O%s;:\
     %{shared:crtcxa_s%O%s;:crtcxa%O%s} crtdbase%O%s}"
#else
#define STARTFILE_SPEC "%{!shared:\
   %{maix64:%{pg:gcrt0_64%O%s;:%{p:mcrt0_64%O%s;:crt0_64%O%s}};:\
     %{pthread:%{pg:gcrt0_r%O%s;:%{p:mcrt0_r%O%s;:crt0_r%O%s}};:\
       %{pg:gcrt0%O%s;:%{p:mcrt0%O%s;:crt0%O%s}}}}}\
   %{maix64:%{shared:crtcxa_64_s%O%s;:crtcxa_64%O%s} crtdbase_64%O%s;:\
     %{shared:crtcxa_s%O%s;:crtcxa%O%s} crtdbase%O%s}"
#endif


#undef ASM_SPEC
#undef CPP_SPEC
#undef CPLUSPLUS_CPP_SPEC
#undef LIB_SPEC
#undef LINK_SPEC

#if DEFAULT_ARCH64_P
#define ASM_SPEC "%{maix32:%(asm_spec32);:%(asm_spec64)} %(asm_spec_common)"
#define CPP_SPEC "%{maix32:%(cpp_spec32);:%(cpp_spec64)} %(cpp_spec_common)"
#define CPLUSPLUS_CPP_SPEC "%{maix32:%(cpp_spec32);:%(cpp_spec64)} %(cplusplus_cpp_spec_common)"
#define LIB_SPEC "%{maix32:%(lib_spec32);:%(lib_spec64)} %(lib_spec_common)"
#define LINK_SPEC "%{maix32:%(link_spec32);:%(link_spec64)} %(link_spec_common)"
#else
#define ASM_SPEC "%{maix64:%(asm_spec64);:%(asm_spec32)} %(asm_spec_common)"
#define CPP_SPEC "%{maix64:%(cpp_spec64);:%(cpp_spec32)} %(cpp_spec_common)"
#define CPLUSPLUS_CPP_SPEC "%{maix64:%(cpp_spec64);:%(cpp_spec32)} %(cplusplus_cpp_spec_common)"
#define LIB_SPEC "%{maix64:%(lib_spec64);:%(lib_spec32)} %(lib_spec_common)"
#define LINK_SPEC "%{maix64:%(link_spec64);:%(link_spec32)} %(link_spec_common)"
#endif

#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS					\
  { "asm_spec_common",		ASM_SPEC_COMMON },		\
  { "asm_spec32",		ASM_SPEC32 },			\
  { "asm_spec64",		ASM_SPEC64 },			\
  { "cpp_spec_common",		CPP_SPEC_COMMON },		\
  { "cplusplus_cpp_spec_common", CPLUSPLUS_CPP_SPEC_COMMON },	\
  { "cpp_spec32",		CPP_SPEC32 },			\
  { "cpp_spec64",		CPP_SPEC64 },			\
  { "lib_spec_common",		LIB_SPEC_COMMON },		\
  { "lib_spec32",		LIB_SPEC32 },			\
  { "lib_spec64",		LIB_SPEC64 },			\
  { "link_spec_common",		LINK_SPEC_COMMON },		\
  { "link_spec32",		LINK_SPEC32 },			\
  { "link_spec64",		LINK_SPEC64 },

/* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int".  */

#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "long int"

/* Type used for wchar_t, as a string used in a declaration.  */
#undef  WCHAR_TYPE
#define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int")

/* Width of wchar_t in bits.  */
#undef  WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32)

/* AIX 4.2 and above provides initialization and finalization function
   support from linker command line.  */
#undef HAS_INIT_SECTION
#define HAS_INIT_SECTION

#undef LD_INIT_SWITCH
#define LD_INIT_SWITCH "-binitfini"

#ifndef _AIX52
extern long long int    atoll(const char *);  
#endif

/* This target uses the aix64.opt file.  */
#define TARGET_USES_AIX64_OPT 1

/* Large TOC Support */
#ifdef HAVE_LD_LARGE_TOC
#undef TARGET_CMODEL
#define TARGET_CMODEL rs6000_current_cmodel
#define SET_CMODEL(opt) rs6000_current_cmodel = opt
#else
#define SET_CMODEL(opt) do {} while (0)
#endif

/* System headers are not C++-aware.  */
#define SYSTEM_IMPLICIT_EXTERN_C 1

/* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION,
   but does not have crtbegin/end.  */

#define TARGET_AIX_VERSION 71

/* AIX 7.1 supports DWARF3+ debugging.  */
#define DWARF2_DEBUGGING_INFO 1
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
#define DEBUG_INFO_SECTION	"0x10000"
#define DEBUG_LINE_SECTION	"0x20000"
#define DEBUG_PUBNAMES_SECTION	"0x30000"
#define DEBUG_PUBTYPES_SECTION	"0x40000"
#define DEBUG_ARANGES_SECTION	"0x50000"
#define DEBUG_ABBREV_SECTION	"0x60000"
#define DEBUG_STR_SECTION	"0x70000"
#define DEBUG_RANGES_SECTION	"0x80000"
#define DEBUG_LOC_SECTION	"0x90000"
#define DEBUG_FRAME_SECTION	"0xA0000"
#define DEBUG_MACINFO_SECTION	"0xB0000"
#define DEBUG_MACRO_SECTION	"0xB0000"
Commit	Line	Data
9cf3f026	1	// SPDX-License-Identifier: GPL-3.0-or-later
51fbbb92 DE	2	/* Definitions of target machine for GNU compiler,
51fbbb92 DE	3	for IBM RS/6000 POWER running AIX V7.1.
a945c346	4	Copyright (C) 2002-2024 Free Software Foundation, Inc.
51fbbb92 DE	5	Contributed by David Edelsohn (edelsohn@gnu.org).
	6
	7	This file is part of GCC.
	8
	9	GCC is free software; you can redistribute it and/or modify it
	10	under the terms of the GNU General Public License as published
	11	by the Free Software Foundation; either version 3, or (at your
	12	option) any later version.
	13
	14	GCC is distributed in the hope that it will be useful, but WITHOUT
	15	ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
	16	or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
	17	License for more details.
	18
	19	You should have received a copy of the GNU General Public License
	20	along with GCC; see the file COPYING3. If not see
	21	<http://www.gnu.org/licenses/>. */
	22
	23	/* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
	24	get control in TARGET_OPTION_OVERRIDE. */
	25
	26	#define SUBTARGET_OVERRIDE_OPTIONS \
	27	do { \
	28	if (TARGET_64BIT && ! TARGET_POWERPC64) \
	29	{ \
	30	rs6000_isa_flags \|= OPTION_MASK_POWERPC64; \
a3f9f006	31	warning (0, "%<-maix64%> requires PowerPC64 architecture remain enabled"); \
51fbbb92 DE	32	} \
	33	if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128) \
	34	{ \
	35	rs6000_long_double_type_size = 64; \
00f34291	36	if (OPTION_SET_P (rs6000_long_double_type_size)) \
51fbbb92 DE	37	warning (0, "soft-float and long-double-128 are incompatible"); \
	38	} \
	39	if (TARGET_POWERPC64 && ! TARGET_64BIT) \
	40	{ \
a3f9f006	41	error ("%<-maix64%> required: 64-bit computation with 32-bit addressing not yet supported"); \
51fbbb92 DE	42	} \
	43	if ((rs6000_isa_flags_explicit \
	44	& OPTION_MASK_MINIMAL_TOC) != 0) \
	45	{ \
00f34291	46	if (OPTION_SET_P (rs6000_current_cmodel) \
51fbbb92	47	&& rs6000_current_cmodel != CMODEL_SMALL) \
a3f9f006	48	error ("%<-mcmodel%> incompatible with other toc options"); \
51fbbb92 DE	49	SET_CMODEL (CMODEL_SMALL); \
	50	} \
	51	if (rs6000_current_cmodel != CMODEL_SMALL) \
	52	{ \
3dcf51ad DE	53	TARGET_NO_FP_IN_TOC = 1; \
3dcf51ad DE	54	TARGET_NO_SUM_IN_TOC = 1; \
51fbbb92 DE	55	} \
	56	if (rs6000_current_cmodel == CMODEL_MEDIUM) \
	57	{ \
	58	rs6000_current_cmodel = CMODEL_LARGE; \
	59	} \
265e6a0a CC	60	if (! strcmp (lang_hooks.name, "GNU Go") \
	61	&& TARGET_32BIT) \
	62	{ \
	63	/* aix/ppc doesn't support -mvsx and -maltivec with Go */ \
	64	rs6000_isa_flags &= ~(OPTION_MASK_VSX \| OPTION_MASK_ALTIVEC); \
	65	} \
00f34291	66	if (!OPTION_SET_P (dwarf_version)) \
56b5d13e DE	67	/* AIX only supports DWARF 4. */ \
56b5d13e DE	68	dwarf_version = 4; \
e73d717b	69	} while (0)
51fbbb92	70
6643d236 DE	71	#define ASM_SPEC32 "-a32"
	72	#define ASM_SPEC64 "-a64"
	73	#define ASM_SPEC_COMMON "-u %(asm_cpu)"
51fbbb92 DE	74
51fbbb92 DE	75	/* Common ASM definitions used by ASM_SPEC amongst the various targets for
e53b6e56	76	handling -mcpu=xxx switches. There is a parallel list in driver-rs6000.cc to
51fbbb92 DE	77	provide the default assembler options if the user uses -mcpu=native, so if
	78	you make changes here, make them there also. */
	79	#undef ASM_CPU_SPEC
	80	#define ASM_CPU_SPEC \
28a09576	81	"%{mcpu=native: %(asm_cpu_native); \
dc0f9a74	82	mcpu=power11: -mpwr11; \
f8b06705	83	mcpu=power10: -mpwr10; \
28a09576 AM	84	mcpu=power9: -mpwr9; \
	85	mcpu=power8: -mpwr8; \
	86	mcpu=power7: -mpwr7; \
	87	mcpu=power6x\|mcpu=power6: -mpwr6; \
	88	mcpu=power5+: -mpwr5x; \
	89	mcpu=power5: -mpwr5; \
	90	mcpu=power4: -mpwr4; \
	91	mcpu=power3: -m620; \
	92	mcpu=powerpc: -mppc; \
f7bdd292	93	mcpu=rs64: -mppc; \
28a09576 AM	94	mcpu=603: -m603; \
	95	mcpu=603e: -m603; \
	96	mcpu=604: -m604; \
	97	mcpu=604e: -m604; \
	98	mcpu=620: -m620; \
	99	mcpu=630: -m620; \
	100	mcpu=970\|mcpu=G5: -m970; \
6643d236	101	!mcpu*: %(asm_default)} \
51fbbb92 DE	102	-many"
	103
	104	#undef ASM_DEFAULT_SPEC
	105	#define ASM_DEFAULT_SPEC "-mpwr4"
	106
	107	#undef TARGET_OS_CPP_BUILTINS
	108	#define TARGET_OS_CPP_BUILTINS() \
	109	do \
	110	{ \
	111	builtin_define ("_AIX43"); \
	112	builtin_define ("_AIX51"); \
	113	builtin_define ("_AIX52"); \
	114	builtin_define ("_AIX53"); \
	115	builtin_define ("_AIX61"); \
	116	builtin_define ("_AIX71"); \
	117	TARGET_OS_AIX_CPP_BUILTINS (); \
	118	} \
	119	while (0)
	120
6643d236 DE	121	#define CPP_SPEC32 ""
	122	#define CPP_SPEC64 "-D__64BIT__"
	123	#define CPP_SPEC_COMMON "%{posix: -D_POSIX_SOURCE} \
51fbbb92	124	%{ansi: -D_ANSI_C_SOURCE} \
51fbbb92 DE	125	%{mpe: -I%R/usr/lpp/ppe.poe/include} \
	126	%{pthread: -D_THREAD_SAFE}"
	127
	128	/* The GNU C++ standard library requires that these macros be
	129	defined. Synchronize with libstdc++ os_defines.h. */
6643d236	130	#define CPLUSPLUS_CPP_SPEC_COMMON \
51fbbb92	131	"-D_ALL_SOURCE -D__COMPATMATH__ \
51fbbb92 DE	132	%{mpe: -I%R/usr/lpp/ppe.poe/include} \
	133	%{pthread: -D_THREAD_SAFE}"
	134
e7771552 DE	135	#define RS6000_CPU(NAME, CPU, FLAGS)
	136	#include "rs6000-cpus.def"
	137	#undef RS6000_CPU
	138
51fbbb92	139	#undef TARGET_DEFAULT
6643d236	140	#ifdef RS6000_BI_ARCH
eb2887a1	141	#define TARGET_DEFAULT (OPTION_MASK_PPC_GPOPT \| OPTION_MASK_PPC_GFXOPT \
9ccc75eb	142	\| OPTION_MASK_MFCRF \| MASK_POWERPC64 \| MASK_64BIT)
6643d236	143	#else
eb2887a1 WS	144	#define TARGET_DEFAULT (OPTION_MASK_PPC_GPOPT \| OPTION_MASK_PPC_GFXOPT \
eb2887a1 WS	145	\| OPTION_MASK_MFCRF)
6643d236	146	#endif
51fbbb92 DE	147
	148	#undef PROCESSOR_DEFAULT
	149	#define PROCESSOR_DEFAULT PROCESSOR_POWER7
	150	#undef PROCESSOR_DEFAULT64
	151	#define PROCESSOR_DEFAULT64 PROCESSOR_POWER7
	152
	153	/* AIX 7.1 kernel and assembler have necessary support for Altivec and VSX. */
	154	#undef OS_MISSING_ALTIVEC
	155
	156	/* Define this macro as a C expression for the initializer of an
	157	array of string to tell the driver program which options are
	158	defaults for this target and thus do not need to be handled
	159	specially when using `MULTILIB_OPTIONS'.
	160
	161	Do not define this macro if `MULTILIB_OPTIONS' is not defined in
	162	the target makefile fragment or if none of the options listed in
	163	`MULTILIB_OPTIONS' are set by default. Note Target Fragment::. /
	164
6643d236	165	#undef MULTILIB_DEFAULTS
51fbbb92	166
6643d236 DE	167	#define DEFAULT_ARCH64_P (TARGET_DEFAULT & MASK_64BIT)
	168
	169	#define LIB_SPEC32 "%{!shared:%{g*:-lg}}"
	170	#define LIB_SPEC64 ""
	171	#define LIB_SPEC_COMMON "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\
51fbbb92	172	%{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\
51fbbb92 DE	173	%{fprofile-arcs\|fprofile-generate*\|coverage:-lpthreads}\
51fbbb92 DE	174	%{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
48242b2c	175	%{mlong-double-128:-lc128}\
51fbbb92 DE	176	%{pthread:-lpthreads} -lc"
51fbbb92 DE	177
6643d236 DE	178	#define LINK_SPEC32 "%{!shared:%{g*: %(link_libg) }} -b32"
	179	#define LINK_SPEC64 "-b64"
	180	#define LINK_SPEC_COMMON "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro}\
51fbbb92	181	%{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
6643d236	182	%{mpe:-binitfini:poe_remote_main} "
51fbbb92 DE	183
51fbbb92 DE	184	#undef STARTFILE_SPEC
6643d236 DE	185	#if DEFAULT_ARCH64_P
	186	#define STARTFILE_SPEC "%{!shared:\
	187	%{!maix32:%{pg:gcrt0_64%O%s;:%{p:mcrt0_64%O%s;:crt0_64%O%s}};:\
	188	%{pthread:%{pg:gcrt0_r%O%s;:%{p:mcrt0_r%O%s;:crt0_r%O%s}};:\
	189	%{pg:gcrt0%O%s;:%{p:mcrt0%O%s;:crt0%O%s}}}}}\
	190	%{!maix32:%{shared:crtcxa_64_s%O%s;:crtcxa_64%O%s} crtdbase_64%O%s;:\
	191	%{shared:crtcxa_s%O%s;:crtcxa%O%s} crtdbase%O%s}"
	192	#else
51fbbb92 DE	193	#define STARTFILE_SPEC "%{!shared:\
	194	%{maix64:%{pg:gcrt0_64%O%s;:%{p:mcrt0_64%O%s;:crt0_64%O%s}};:\
	195	%{pthread:%{pg:gcrt0_r%O%s;:%{p:mcrt0_r%O%s;:crt0_r%O%s}};:\
	196	%{pg:gcrt0%O%s;:%{p:mcrt0%O%s;:crt0%O%s}}}}}\
6643d236 DE	197	%{maix64:%{shared:crtcxa_64_s%O%s;:crtcxa_64%O%s} crtdbase_64%O%s;:\
	198	%{shared:crtcxa_s%O%s;:crtcxa%O%s} crtdbase%O%s}"
	199	#endif
	200
	201
	202	#undef ASM_SPEC
	203	#undef CPP_SPEC
	204	#undef CPLUSPLUS_CPP_SPEC
	205	#undef LIB_SPEC
	206	#undef LINK_SPEC
	207
	208	#if DEFAULT_ARCH64_P
	209	#define ASM_SPEC "%{maix32:%(asm_spec32);:%(asm_spec64)} %(asm_spec_common)"
	210	#define CPP_SPEC "%{maix32:%(cpp_spec32);:%(cpp_spec64)} %(cpp_spec_common)"
	211	#define CPLUSPLUS_CPP_SPEC "%{maix32:%(cpp_spec32);:%(cpp_spec64)} %(cplusplus_cpp_spec_common)"
	212	#define LIB_SPEC "%{maix32:%(lib_spec32);:%(lib_spec64)} %(lib_spec_common)"
	213	#define LINK_SPEC "%{maix32:%(link_spec32);:%(link_spec64)} %(link_spec_common)"
	214	#else
	215	#define ASM_SPEC "%{maix64:%(asm_spec64);:%(asm_spec32)} %(asm_spec_common)"
	216	#define CPP_SPEC "%{maix64:%(cpp_spec64);:%(cpp_spec32)} %(cpp_spec_common)"
	217	#define CPLUSPLUS_CPP_SPEC "%{maix64:%(cpp_spec64);:%(cpp_spec32)} %(cplusplus_cpp_spec_common)"
	218	#define LIB_SPEC "%{maix64:%(lib_spec64);:%(lib_spec32)} %(lib_spec_common)"
	219	#define LINK_SPEC "%{maix64:%(link_spec64);:%(link_spec32)} %(link_spec_common)"
	220	#endif
	221
	222	#undef SUBTARGET_EXTRA_SPECS
	223	#define SUBTARGET_EXTRA_SPECS \
	224	{ "asm_spec_common", ASM_SPEC_COMMON }, \
	225	{ "asm_spec32", ASM_SPEC32 }, \
	226	{ "asm_spec64", ASM_SPEC64 }, \
	227	{ "cpp_spec_common", CPP_SPEC_COMMON }, \
	228	{ "cplusplus_cpp_spec_common", CPLUSPLUS_CPP_SPEC_COMMON }, \
	229	{ "cpp_spec32", CPP_SPEC32 }, \
	230	{ "cpp_spec64", CPP_SPEC64 }, \
	231	{ "lib_spec_common", LIB_SPEC_COMMON }, \
	232	{ "lib_spec32", LIB_SPEC32 }, \
	233	{ "lib_spec64", LIB_SPEC64 }, \
	234	{ "link_spec_common", LINK_SPEC_COMMON }, \
	235	{ "link_spec32", LINK_SPEC32 }, \
	236	{ "link_spec64", LINK_SPEC64 },
51fbbb92 DE	237
	238	/* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */
	239
	240	#undef PTRDIFF_TYPE
	241	#define PTRDIFF_TYPE "long int"
	242
	243	/* Type used for wchar_t, as a string used in a declaration. */
	244	#undef WCHAR_TYPE
	245	#define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int")
	246
	247	/* Width of wchar_t in bits. */
	248	#undef WCHAR_TYPE_SIZE
	249	#define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32)
	250
	251	/* AIX 4.2 and above provides initialization and finalization function
	252	support from linker command line. */
	253	#undef HAS_INIT_SECTION
	254	#define HAS_INIT_SECTION
	255
	256	#undef LD_INIT_SWITCH
	257	#define LD_INIT_SWITCH "-binitfini"
	258
	259	#ifndef _AIX52
	260	extern long long int atoll(const char *);
	261	#endif
	262
	263	/* This target uses the aix64.opt file. */
	264	#define TARGET_USES_AIX64_OPT 1
	265
	266	/* Large TOC Support */
	267	#ifdef HAVE_LD_LARGE_TOC
	268	#undef TARGET_CMODEL
	269	#define TARGET_CMODEL rs6000_current_cmodel
	270	#define SET_CMODEL(opt) rs6000_current_cmodel = opt
	271	#else
	272	#define SET_CMODEL(opt) do {} while (0)
	273	#endif
	274
9cf3f026 DE	275	/* System headers are not C++-aware. */
	276	#define SYSTEM_IMPLICIT_EXTERN_C 1
	277
51fbbb92 DE	278	/* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION,
	279	but does not have crtbegin/end. */
	280
51fbbb92 DE	281	#define TARGET_AIX_VERSION 71
51fbbb92 DE	282
6a2f49c6	283	/* AIX 7.1 supports DWARF3+ debugging. */
51fbbb92	284	#define DWARF2_DEBUGGING_INFO 1
6a2f49c6	285	#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
51fbbb92 DE	286	#define DEBUG_INFO_SECTION "0x10000"
	287	#define DEBUG_LINE_SECTION "0x20000"
	288	#define DEBUG_PUBNAMES_SECTION "0x30000"
	289	#define DEBUG_PUBTYPES_SECTION "0x40000"
	290	#define DEBUG_ARANGES_SECTION "0x50000"
	291	#define DEBUG_ABBREV_SECTION "0x60000"
	292	#define DEBUG_STR_SECTION "0x70000"
	293	#define DEBUG_RANGES_SECTION "0x80000"
	294	#define DEBUG_LOC_SECTION "0x90000"
	295	#define DEBUG_FRAME_SECTION "0xA0000"
	296	#define DEBUG_MACINFO_SECTION "0xB0000"
	297	#define DEBUG_MACRO_SECTION "0xB0000"
	298