220 lines
7.2 KiB
C
220 lines
7.2 KiB
C
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/* Definitions of target machine for GNU compiler,
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for IBM RS/6000 POWER running AIX version 4.3.
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Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
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Contributed by David Edelsohn (edelsohn@gnu.org).
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This file is part of GNU CC.
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GNU CC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU CC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU CC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* AIX 4.3 and above support 64-bit executables. */
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#undef SUBSUBTARGET_SWITCHES
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#define SUBSUBTARGET_SWITCHES \
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{"aix64", MASK_64BIT | MASK_POWERPC64 | MASK_POWERPC, \
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N_("Compile for 64-bit pointers") }, \
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{"aix32", - (MASK_64BIT | MASK_POWERPC64), \
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N_("Compile for 32-bit pointers") }, \
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{"pe", 0, \
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N_("Support message passing with the Parallel Environment") },
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/* Sometimes certain combinations of command options do not make sense
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on a particular target machine. You can define a macro
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`OVERRIDE_OPTIONS' to take account of this. This macro, if
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defined, is executed once just after all the command options have
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been parsed.
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The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
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get control. */
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#define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2)
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#define SUBTARGET_OVERRIDE_OPTIONS \
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do { \
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if (TARGET_64BIT && (target_flags & NON_POWERPC_MASKS)) \
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{ \
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target_flags &= ~NON_POWERPC_MASKS; \
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warning ("-maix64 and POWER architecture are incompatible"); \
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} \
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if (TARGET_64BIT && ! TARGET_POWERPC64) \
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{ \
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target_flags |= MASK_POWERPC64; \
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warning ("-maix64 requires PowerPC64 architecture remain enabled"); \
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} \
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if (TARGET_POWERPC64 && ! TARGET_64BIT) \
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{ \
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error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \
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} \
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} while (0);
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#undef ASM_SPEC
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#define ASM_SPEC "-u %{maix64:-a64 -mppc64} %(asm_cpu)"
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/* Common ASM definitions used by ASM_SPEC amonst the various targets
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for handling -mcpu=xxx switches. */
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#undef ASM_CPU_SPEC
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#define ASM_CPU_SPEC \
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"%{!mcpu*: %{!maix64: \
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%{mpower: %{!mpower2: -mpwr}} \
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%{mpower2: -mpwr2} \
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%{mpowerpc*: %{!mpowerpc64: -mppc}} \
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%{mpowerpc64: -mppc64} \
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%{!mpower*: %{!mpowerpc*: %(asm_default)}}}} \
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%{mcpu=common: -mcom} \
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%{mcpu=power: -mpwr} \
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%{mcpu=power2: -mpwr2} \
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%{mcpu=powerpc: -mppc} \
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%{mcpu=rios: -mpwr} \
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%{mcpu=rios1: -mpwr} \
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%{mcpu=rios2: -mpwr2} \
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%{mcpu=rsc: -mpwr} \
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%{mcpu=rsc1: -mpwr} \
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%{mcpu=rs64a: -mppc} \
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%{mcpu=403: -mppc} \
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%{mcpu=505: -mppc} \
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%{mcpu=601: -m601} \
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%{mcpu=602: -mppc} \
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%{mcpu=603: -m603} \
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%{mcpu=603e: -m603} \
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%{mcpu=604: -m604} \
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%{mcpu=604e: -m604} \
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%{mcpu=620: -mppc} \
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%{mcpu=630: -mppc} \
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%{mcpu=821: -mppc} \
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%{mcpu=860: -mppc}"
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#undef ASM_DEFAULT_SPEC
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#define ASM_DEFAULT_SPEC "-mcom"
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES "-D_IBMR2 -D_POWER -D_AIX -D_AIX32 -D_AIX41 -D_AIX43 \
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-D_LONG_LONG -Asystem=unix -Asystem=aix"
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#undef CPP_SPEC
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#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\
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%{ansi: -D_ANSI_C_SOURCE}\
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%{maix64: -D__64BIT__ -D_ARCH_PPC -D__LONG_MAX__=9223372036854775807L}\
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%{mpe: -I/usr/lpp/ppe.poe/include}\
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%{pthread: -D_THREAD_SAFE}\
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%(cpp_cpu)"
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/* The GNU C++ standard library requires that these macros be
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defined. */
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#undef CPLUSPLUS_CPP_SPEC
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#define CPLUSPLUS_CPP_SPEC \
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"-D_XOPEN_SOURCE=500 \
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-D_XOPEN_SOURCE_EXTENDED=1 \
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-D_LARGE_FILE_API \
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-D_ALL_SOURCE \
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%{maix64: -D__64BIT__ -D_ARCH_PPC -D__LONG_MAX__=9223372036854775807L}\
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%{mpe: -I/usr/lpp/ppe.poe/include}\
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%{pthread: -D_THREAD_SAFE}\
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%(cpp_cpu)"
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/* Common CPP definitions used by CPP_SPEC among the various targets
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for handling -mcpu=xxx switches. */
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#undef CPP_CPU_SPEC
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#define CPP_CPU_SPEC \
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"%{!mcpu*: %{!maix64: \
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%{mpower: %{!mpower2: -D_ARCH_PWR}} \
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%{mpower2: -D_ARCH_PWR2} \
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%{mpowerpc*: -D_ARCH_PPC} \
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%{!mpower*: %{!mpowerpc*: %(cpp_default)}}}} \
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%{mcpu=common: -D_ARCH_COM} \
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%{mcpu=power: -D_ARCH_PWR} \
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%{mcpu=power2: -D_ARCH_PWR2} \
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%{mcpu=powerpc: -D_ARCH_PPC} \
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%{mcpu=rios: -D_ARCH_PWR} \
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%{mcpu=rios1: -D_ARCH_PWR} \
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%{mcpu=rios2: -D_ARCH_PWR2} \
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%{mcpu=rsc: -D_ARCH_PWR} \
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%{mcpu=rsc1: -D_ARCH_PWR} \
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%{mcpu=rs64a: -D_ARCH_PPC} \
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%{mcpu=403: -D_ARCH_PPC} \
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%{mcpu=505: -D_ARCH_PPC} \
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%{mcpu=601: -D_ARCH_PPC -D_ARCH_PWR} \
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%{mcpu=602: -D_ARCH_PPC} \
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%{mcpu=603: -D_ARCH_PPC} \
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%{mcpu=603e: -D_ARCH_PPC} \
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%{mcpu=604: -D_ARCH_PPC} \
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%{mcpu=620: -D_ARCH_PPC} \
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%{mcpu=630: -D_ARCH_PPC} \
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%{mcpu=821: -D_ARCH_PPC} \
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%{mcpu=860: -D_ARCH_PPC}"
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#undef CPP_DEFAULT_SPEC
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#define CPP_DEFAULT_SPEC "-D_ARCH_COM"
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT MASK_NEW_MNEMONICS
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#undef PROCESSOR_DEFAULT
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#define PROCESSOR_DEFAULT PROCESSOR_PPC604
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/* Define this macro as a C expression for the initializer of an
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array of string to tell the driver program which options are
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defaults for this target and thus do not need to be handled
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specially when using `MULTILIB_OPTIONS'.
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Do not define this macro if `MULTILIB_OPTIONS' is not defined in
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the target makefile fragment or if none of the options listed in
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`MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
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#undef MULTILIB_DEFAULTS
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#define MULTILIB_DEFAULTS { "mcpu=common" }
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#undef LIB_SPEC
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#define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\
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%{p:-L/lib/profiled -L/usr/lib/profiled}\
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%{!maix64:%{!shared:%{g*:-lg}}}\
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%{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\
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%{pthread:-L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\
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%{!pthread:-lc}"
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#undef LINK_SPEC
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#define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\
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%{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\
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%{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}"
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC "%{!shared:\
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%{mpe:%{pg:/usr/lpp/ppe.poe/lib/gcrt0.o}\
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%{!pg:%{p:/usr/lpp/ppe.poe/lib/mcrt0.o}\
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%{!p:/usr/lpp/ppe.poe/lib/crt0.o}}}\
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%{!mpe:\
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%{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\
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%{!maix64:\
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%{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
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%{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}}"
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/* AIX 4.3 typedefs ptrdiff_t as "long" while earlier releases used "int". */
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "long int"
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/* AIX 4 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC
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and "cror 31,31,31" for POWER architecture. */
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#undef RS6000_CALL_GLUE
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#define RS6000_CALL_GLUE "{cror 31,31,31|nop}"
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/* AIX 4.2 and above provides initialization and finalization function
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support from linker command line. */
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#undef HAS_INIT_SECTION
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#define HAS_INIT_SECTION
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#undef LD_INIT_SWITCH
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#define LD_INIT_SWITCH "-binitfini"
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