[gcc.git] / gcc / config / rs6000 / aix72.h

// SPDX-License-Identifier: GPL-3.0-or-later
/* Definitions of target machine for GNU compiler,
   for IBM RS/6000 POWER running AIX V7.2.
   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 "-mpwr7"

#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");     \
      builtin_define ("_AIX72");     \
      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 (ISA_2_6_MASKS_SERVER | MASK_POWERPC64 | MASK_64BIT)
#else
#define TARGET_DEFAULT ISA_2_6_MASKS_SERVER
#endif

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

/* AIX 7.2 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 72

/* AIX 7.2 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
39667263	1	// SPDX-License-Identifier: GPL-3.0-or-later
74fc2a2b DE	2	/* Definitions of target machine for GNU compiler,
74fc2a2b DE	3	for IBM RS/6000 POWER running AIX V7.2.
a945c346	4	Copyright (C) 2002-2024 Free Software Foundation, Inc.
74fc2a2b 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"); \
74fc2a2b 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)) \
74fc2a2b 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"); \
74fc2a2b DE	42	} \
	43	if ((rs6000_isa_flags_explicit \
	44	& OPTION_MASK_MINIMAL_TOC) != 0) \
	45	{ \
00f34291	46	if (OPTION_SET_P (rs6000_current_cmodel) \
74fc2a2b	47	&& rs6000_current_cmodel != CMODEL_SMALL) \
a3f9f006	48	error ("%<-mcmodel%> incompatible with other toc options"); \
74fc2a2b 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; \
74fc2a2b 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; \
74fc2a2b DE	69	} while (0)
74fc2a2b DE	70
47ddb895 DE	71	#define ASM_SPEC32 "-a32"
	72	#define ASM_SPEC64 "-a64"
	73	#define ASM_SPEC_COMMON "-u %(asm_cpu)"
74fc2a2b DE	74
74fc2a2b 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
74fc2a2b 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 \
bd2010ac	81	"%{mcpu=native: %(asm_cpu_native); \
dc0f9a74	82	mcpu=power11: -mpwr11; \
f8b06705	83	mcpu=power10: -mpwr10; \
bd2010ac DE	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; \
bd2010ac DE	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; \
47ddb895	101	!mcpu*: %(asm_default)} \
74fc2a2b DE	102	-many"
	103
	104	#undef ASM_DEFAULT_SPEC
02248de6	105	#define ASM_DEFAULT_SPEC "-mpwr7"
74fc2a2b DE	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	builtin_define ("_AIX72"); \
	118	TARGET_OS_AIX_CPP_BUILTINS (); \
	119	} \
	120	while (0)
	121
47ddb895 DE	122	#define CPP_SPEC32 ""
	123	#define CPP_SPEC64 "-D__64BIT__"
	124	#define CPP_SPEC_COMMON "%{posix: -D_POSIX_SOURCE} \
74fc2a2b	125	%{ansi: -D_ANSI_C_SOURCE} \
74fc2a2b DE	126	%{mpe: -I%R/usr/lpp/ppe.poe/include} \
	127	%{pthread: -D_THREAD_SAFE}"
	128
39667263	129	/* The GNU C++ standard library requires that these macros be
74fc2a2b	130	defined. Synchronize with libstdc++ os_defines.h. */
47ddb895	131	#define CPLUSPLUS_CPP_SPEC_COMMON \
74fc2a2b	132	"-D_ALL_SOURCE -D__COMPATMATH__ \
74fc2a2b DE	133	%{mpe: -I%R/usr/lpp/ppe.poe/include} \
	134	%{pthread: -D_THREAD_SAFE}"
	135
	136	#define RS6000_CPU(NAME, CPU, FLAGS)
	137	#include "rs6000-cpus.def"
	138	#undef RS6000_CPU
	139
	140	#undef TARGET_DEFAULT
6643d236	141	#ifdef RS6000_BI_ARCH
469b655b	142	#define TARGET_DEFAULT (ISA_2_6_MASKS_SERVER \| MASK_POWERPC64 \| MASK_64BIT)
6643d236	143	#else
469b655b	144	#define TARGET_DEFAULT ISA_2_6_MASKS_SERVER
47ddb895	145	#endif
74fc2a2b DE	146
	147	#undef PROCESSOR_DEFAULT
	148	#define PROCESSOR_DEFAULT PROCESSOR_POWER7
	149	#undef PROCESSOR_DEFAULT64
	150	#define PROCESSOR_DEFAULT64 PROCESSOR_POWER7
	151
	152	/* AIX 7.2 kernel and assembler have necessary support for Altivec and VSX. */
	153	#undef OS_MISSING_ALTIVEC
	154
	155	/* Define this macro as a C expression for the initializer of an
	156	array of string to tell the driver program which options are
	157	defaults for this target and thus do not need to be handled
	158	specially when using `MULTILIB_OPTIONS'.
	159
	160	Do not define this macro if `MULTILIB_OPTIONS' is not defined in
	161	the target makefile fragment or if none of the options listed in
	162	`MULTILIB_OPTIONS' are set by default. Note Target Fragment::. /
	163
47ddb895	164	#undef MULTILIB_DEFAULTS
74fc2a2b	165
47ddb895 DE	166	#define DEFAULT_ARCH64_P (TARGET_DEFAULT & MASK_64BIT)
	167
	168	#define LIB_SPEC32 "%{!shared:%{g*:-lg}}"
	169	#define LIB_SPEC64 ""
	170	#define LIB_SPEC_COMMON "%{pg:-L%R/lib/profiled -L%R/usr/lib/profiled}\
74fc2a2b	171	%{p:-L%R/lib/profiled -L%R/usr/lib/profiled}\
74fc2a2b DE	172	%{fprofile-arcs\|fprofile-generate*\|coverage:-lpthreads}\
74fc2a2b DE	173	%{mpe:-L%R/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
48242b2c	174	%{mlong-double-128:-lc128}\
74fc2a2b DE	175	%{pthread:-lpthreads} -lc"
74fc2a2b DE	176
47ddb895 DE	177	#define LINK_SPEC32 "%{!shared:%{g*: %(link_libg) }} -b32"
	178	#define LINK_SPEC64 "-b64"
	179	#define LINK_SPEC_COMMON "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro}\
74fc2a2b	180	%{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
47ddb895	181	%{mpe:-binitfini:poe_remote_main} "
74fc2a2b DE	182
74fc2a2b DE	183	#undef STARTFILE_SPEC
47ddb895 DE	184	#if DEFAULT_ARCH64_P
	185	#define STARTFILE_SPEC "%{!shared:\
	186	%{!maix32:%{pg:gcrt0_64%O%s;:%{p:mcrt0_64%O%s;:crt0_64%O%s}};:\
	187	%{pthread:%{pg:gcrt0_r%O%s;:%{p:mcrt0_r%O%s;:crt0_r%O%s}};:\
	188	%{pg:gcrt0%O%s;:%{p:mcrt0%O%s;:crt0%O%s}}}}}\
	189	%{!maix32:%{shared:crtcxa_64_s%O%s;:crtcxa_64%O%s} crtdbase_64%O%s;:\
	190	%{shared:crtcxa_s%O%s;:crtcxa%O%s} crtdbase%O%s}"
	191	#else
74fc2a2b DE	192	#define STARTFILE_SPEC "%{!shared:\
	193	%{maix64:%{pg:gcrt0_64%O%s;:%{p:mcrt0_64%O%s;:crt0_64%O%s}};:\
	194	%{pthread:%{pg:gcrt0_r%O%s;:%{p:mcrt0_r%O%s;:crt0_r%O%s}};:\
	195	%{pg:gcrt0%O%s;:%{p:mcrt0%O%s;:crt0%O%s}}}}}\
47ddb895 DE	196	%{maix64:%{shared:crtcxa_64_s%O%s;:crtcxa_64%O%s} crtdbase_64%O%s;:\
	197	%{shared:crtcxa_s%O%s;:crtcxa%O%s} crtdbase%O%s}"
	198	#endif
	199
	200
	201	#undef ASM_SPEC
	202	#undef CPP_SPEC
	203	#undef CPLUSPLUS_CPP_SPEC
	204	#undef LIB_SPEC
	205	#undef LINK_SPEC
	206
	207	#if DEFAULT_ARCH64_P
	208	#define ASM_SPEC "%{maix32:%(asm_spec32);:%(asm_spec64)} %(asm_spec_common)"
	209	#define CPP_SPEC "%{maix32:%(cpp_spec32);:%(cpp_spec64)} %(cpp_spec_common)"
	210	#define CPLUSPLUS_CPP_SPEC "%{maix32:%(cpp_spec32);:%(cpp_spec64)} %(cplusplus_cpp_spec_common)"
	211	#define LIB_SPEC "%{maix32:%(lib_spec32);:%(lib_spec64)} %(lib_spec_common)"
	212	#define LINK_SPEC "%{maix32:%(link_spec32);:%(link_spec64)} %(link_spec_common)"
	213	#else
	214	#define ASM_SPEC "%{maix64:%(asm_spec64);:%(asm_spec32)} %(asm_spec_common)"
	215	#define CPP_SPEC "%{maix64:%(cpp_spec64);:%(cpp_spec32)} %(cpp_spec_common)"
	216	#define CPLUSPLUS_CPP_SPEC "%{maix64:%(cpp_spec64);:%(cpp_spec32)} %(cplusplus_cpp_spec_common)"
	217	#define LIB_SPEC "%{maix64:%(lib_spec64);:%(lib_spec32)} %(lib_spec_common)"
	218	#define LINK_SPEC "%{maix64:%(link_spec64);:%(link_spec32)} %(link_spec_common)"
	219	#endif
	220
	221	#undef SUBTARGET_EXTRA_SPECS
	222	#define SUBTARGET_EXTRA_SPECS \
	223	{ "asm_spec_common", ASM_SPEC_COMMON }, \
	224	{ "asm_spec32", ASM_SPEC32 }, \
	225	{ "asm_spec64", ASM_SPEC64 }, \
	226	{ "cpp_spec_common", CPP_SPEC_COMMON }, \
	227	{ "cplusplus_cpp_spec_common", CPLUSPLUS_CPP_SPEC_COMMON }, \
	228	{ "cpp_spec32", CPP_SPEC32 }, \
	229	{ "cpp_spec64", CPP_SPEC64 }, \
	230	{ "lib_spec_common", LIB_SPEC_COMMON }, \
	231	{ "lib_spec32", LIB_SPEC32 }, \
	232	{ "lib_spec64", LIB_SPEC64 }, \
	233	{ "link_spec_common", LINK_SPEC_COMMON }, \
	234	{ "link_spec32", LINK_SPEC32 }, \
	235	{ "link_spec64", LINK_SPEC64 },
74fc2a2b DE	236
	237	/* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */
	238
	239	#undef PTRDIFF_TYPE
	240	#define PTRDIFF_TYPE "long int"
	241
	242	/* Type used for wchar_t, as a string used in a declaration. */
	243	#undef WCHAR_TYPE
	244	#define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int")
	245
	246	/* Width of wchar_t in bits. */
	247	#undef WCHAR_TYPE_SIZE
	248	#define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32)
	249
	250	/* AIX 4.2 and above provides initialization and finalization function
	251	support from linker command line. */
	252	#undef HAS_INIT_SECTION
	253	#define HAS_INIT_SECTION
	254
	255	#undef LD_INIT_SWITCH
	256	#define LD_INIT_SWITCH "-binitfini"
	257
	258	#ifndef _AIX52
39667263	259	extern long long int atoll(const char *);
74fc2a2b DE	260	#endif
	261
	262	/* This target uses the aix64.opt file. */
	263	#define TARGET_USES_AIX64_OPT 1
	264
	265	/* Large TOC Support */
	266	#ifdef HAVE_LD_LARGE_TOC
	267	#undef TARGET_CMODEL
	268	#define TARGET_CMODEL rs6000_current_cmodel
	269	#define SET_CMODEL(opt) rs6000_current_cmodel = opt
	270	#else
	271	#define SET_CMODEL(opt) do {} while (0)
	272	#endif
	273
9cf3f026 DE	274	/* System headers are not C++-aware. */
	275	#define SYSTEM_IMPLICIT_EXTERN_C 1
	276
74fc2a2b DE	277	/* This target defines SUPPORTS_WEAK and TARGET_ASM_NAMED_SECTION,
	278	but does not have crtbegin/end. */
	279
	280	#define TARGET_AIX_VERSION 72
	281
6a2f49c6	282	/* AIX 7.2 supports DWARF3+ debugging. */
74fc2a2b	283	#define DWARF2_DEBUGGING_INFO 1
6a2f49c6	284	#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
74fc2a2b DE	285	#define DEBUG_INFO_SECTION "0x10000"
	286	#define DEBUG_LINE_SECTION "0x20000"
	287	#define DEBUG_PUBNAMES_SECTION "0x30000"
	288	#define DEBUG_PUBTYPES_SECTION "0x40000"
	289	#define DEBUG_ARANGES_SECTION "0x50000"
	290	#define DEBUG_ABBREV_SECTION "0x60000"
	291	#define DEBUG_STR_SECTION "0x70000"
	292	#define DEBUG_RANGES_SECTION "0x80000"
	293	#define DEBUG_LOC_SECTION "0x90000"
	294	#define DEBUG_FRAME_SECTION "0xA0000"
	295	#define DEBUG_MACINFO_SECTION "0xB0000"
	296	#define DEBUG_MACRO_SECTION "0xB0000"
	297