aix43.h revision 102780
1/* Definitions of target machine for GNU compiler, 2 for IBM RS/6000 POWER running AIX version 4.3. 3 Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. 4 Contributed by David Edelsohn (edelsohn@gnu.org). 5 6This file is part of GNU CC. 7 8GNU CC is free software; you can redistribute it and/or modify 9it under the terms of the GNU General Public License as published by 10the Free Software Foundation; either version 2, or (at your option) 11any later version. 12 13GNU CC is distributed in the hope that it will be useful, 14but WITHOUT ANY WARRANTY; without even the implied warranty of 15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16GNU General Public License for more details. 17 18You should have received a copy of the GNU General Public License 19along with GNU CC; see the file COPYING. If not, write to 20the Free Software Foundation, 59 Temple Place - Suite 330, 21Boston, MA 02111-1307, USA. */ 22 23 24/* AIX 4.3 and above support 64-bit executables. */ 25#undef SUBSUBTARGET_SWITCHES 26#define SUBSUBTARGET_SWITCHES \ 27 {"aix64", MASK_64BIT | MASK_POWERPC64 | MASK_POWERPC, \ 28 N_("Compile for 64-bit pointers") }, \ 29 {"aix32", - (MASK_64BIT | MASK_POWERPC64), \ 30 N_("Compile for 32-bit pointers") }, \ 31 {"pe", 0, \ 32 N_("Support message passing with the Parallel Environment") }, 33 34/* Sometimes certain combinations of command options do not make sense 35 on a particular target machine. You can define a macro 36 `OVERRIDE_OPTIONS' to take account of this. This macro, if 37 defined, is executed once just after all the command options have 38 been parsed. 39 40 The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to 41 get control. */ 42 43#define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2) 44#define SUBTARGET_OVERRIDE_OPTIONS \ 45do { \ 46 if (TARGET_64BIT && (target_flags & NON_POWERPC_MASKS)) \ 47 { \ 48 target_flags &= ~NON_POWERPC_MASKS; \ 49 warning ("-maix64 and POWER architecture are incompatible"); \ 50 } \ 51 if (TARGET_64BIT && ! TARGET_POWERPC64) \ 52 { \ 53 target_flags |= MASK_POWERPC64; \ 54 warning ("-maix64 requires PowerPC64 architecture remain enabled"); \ 55 } \ 56 if (TARGET_POWERPC64 && ! TARGET_64BIT) \ 57 { \ 58 error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \ 59 } \ 60} while (0); 61 62#undef ASM_SPEC 63#define ASM_SPEC "-u %{maix64:-a64 -mppc64} %(asm_cpu)" 64 65/* Common ASM definitions used by ASM_SPEC amonst the various targets 66 for handling -mcpu=xxx switches. */ 67#undef ASM_CPU_SPEC 68#define ASM_CPU_SPEC \ 69"%{!mcpu*: %{!maix64: \ 70 %{mpower: %{!mpower2: -mpwr}} \ 71 %{mpower2: -mpwr2} \ 72 %{mpowerpc*: %{!mpowerpc64: -mppc}} \ 73 %{mpowerpc64: -mppc64} \ 74 %{!mpower*: %{!mpowerpc*: %(asm_default)}}}} \ 75%{mcpu=common: -mcom} \ 76%{mcpu=power: -mpwr} \ 77%{mcpu=power2: -mpwr2} \ 78%{mcpu=powerpc: -mppc} \ 79%{mcpu=rios: -mpwr} \ 80%{mcpu=rios1: -mpwr} \ 81%{mcpu=rios2: -mpwr2} \ 82%{mcpu=rsc: -mpwr} \ 83%{mcpu=rsc1: -mpwr} \ 84%{mcpu=rs64a: -mppc} \ 85%{mcpu=403: -mppc} \ 86%{mcpu=505: -mppc} \ 87%{mcpu=601: -m601} \ 88%{mcpu=602: -mppc} \ 89%{mcpu=603: -m603} \ 90%{mcpu=603e: -m603} \ 91%{mcpu=604: -m604} \ 92%{mcpu=604e: -m604} \ 93%{mcpu=620: -mppc} \ 94%{mcpu=630: -mppc} \ 95%{mcpu=821: -mppc} \ 96%{mcpu=860: -mppc}" 97 98#undef ASM_DEFAULT_SPEC 99#define ASM_DEFAULT_SPEC "-mcom" 100 101#undef CPP_PREDEFINES 102#define CPP_PREDEFINES "-D_IBMR2 -D_POWER -D_AIX -D_AIX32 -D_AIX41 -D_AIX43 \ 103-D_LONG_LONG -Asystem=unix -Asystem=aix" 104 105#undef CPP_SPEC 106#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\ 107 %{ansi: -D_ANSI_C_SOURCE}\ 108 %{maix64: -D__64BIT__ -D_ARCH_PPC -D__LONG_MAX__=9223372036854775807L}\ 109 %{mpe: -I/usr/lpp/ppe.poe/include}\ 110 %{pthread: -D_THREAD_SAFE}\ 111 %(cpp_cpu)" 112 113/* The GNU C++ standard library requires that these macros be 114 defined. */ 115#undef CPLUSPLUS_CPP_SPEC 116#define CPLUSPLUS_CPP_SPEC \ 117 "-D_XOPEN_SOURCE=500 \ 118 -D_XOPEN_SOURCE_EXTENDED=1 \ 119 -D_LARGE_FILE_API \ 120 -D_ALL_SOURCE \ 121 %{maix64: -D__64BIT__ -D_ARCH_PPC -D__LONG_MAX__=9223372036854775807L}\ 122 %{mpe: -I/usr/lpp/ppe.poe/include}\ 123 %{pthread: -D_THREAD_SAFE}\ 124 %(cpp_cpu)" 125 126/* Common CPP definitions used by CPP_SPEC among the various targets 127 for handling -mcpu=xxx switches. */ 128#undef CPP_CPU_SPEC 129#define CPP_CPU_SPEC \ 130"%{!mcpu*: %{!maix64: \ 131 %{mpower: %{!mpower2: -D_ARCH_PWR}} \ 132 %{mpower2: -D_ARCH_PWR2} \ 133 %{mpowerpc*: -D_ARCH_PPC} \ 134 %{!mpower*: %{!mpowerpc*: %(cpp_default)}}}} \ 135%{mcpu=common: -D_ARCH_COM} \ 136%{mcpu=power: -D_ARCH_PWR} \ 137%{mcpu=power2: -D_ARCH_PWR2} \ 138%{mcpu=powerpc: -D_ARCH_PPC} \ 139%{mcpu=rios: -D_ARCH_PWR} \ 140%{mcpu=rios1: -D_ARCH_PWR} \ 141%{mcpu=rios2: -D_ARCH_PWR2} \ 142%{mcpu=rsc: -D_ARCH_PWR} \ 143%{mcpu=rsc1: -D_ARCH_PWR} \ 144%{mcpu=rs64a: -D_ARCH_PPC} \ 145%{mcpu=403: -D_ARCH_PPC} \ 146%{mcpu=505: -D_ARCH_PPC} \ 147%{mcpu=601: -D_ARCH_PPC -D_ARCH_PWR} \ 148%{mcpu=602: -D_ARCH_PPC} \ 149%{mcpu=603: -D_ARCH_PPC} \ 150%{mcpu=603e: -D_ARCH_PPC} \ 151%{mcpu=604: -D_ARCH_PPC} \ 152%{mcpu=620: -D_ARCH_PPC} \ 153%{mcpu=630: -D_ARCH_PPC} \ 154%{mcpu=821: -D_ARCH_PPC} \ 155%{mcpu=860: -D_ARCH_PPC}" 156 157#undef CPP_DEFAULT_SPEC 158#define CPP_DEFAULT_SPEC "-D_ARCH_COM" 159 160#undef TARGET_DEFAULT 161#define TARGET_DEFAULT MASK_NEW_MNEMONICS 162 163#undef PROCESSOR_DEFAULT 164#define PROCESSOR_DEFAULT PROCESSOR_PPC604 165 166/* Define this macro as a C expression for the initializer of an 167 array of string to tell the driver program which options are 168 defaults for this target and thus do not need to be handled 169 specially when using `MULTILIB_OPTIONS'. 170 171 Do not define this macro if `MULTILIB_OPTIONS' is not defined in 172 the target makefile fragment or if none of the options listed in 173 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ 174 175#undef MULTILIB_DEFAULTS 176#define MULTILIB_DEFAULTS { "mcpu=common" } 177 178#undef LIB_SPEC 179#define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\ 180 %{p:-L/lib/profiled -L/usr/lib/profiled}\ 181 %{!maix64:%{!shared:%{g*:-lg}}}\ 182 %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ 183 %{pthread:-L/usr/lib/threads -lpthreads -lc_r /usr/lib/libc.a}\ 184 %{!pthread:-lc}" 185 186#undef LINK_SPEC 187#define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\ 188 %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ 189 %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ 190 %{mpe:-binitfini:poe_remote_main}" 191 192#undef STARTFILE_SPEC 193#define STARTFILE_SPEC "%{!shared:\ 194 %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ 195 %{!maix64:\ 196 %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ 197 %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}" 198 199/* AIX 4.3 typedefs ptrdiff_t as "long" while earlier releases used "int". */ 200 201#undef PTRDIFF_TYPE 202#define PTRDIFF_TYPE "long int" 203 204/* AIX 4 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC 205 and "cror 31,31,31" for POWER architecture. */ 206 207#undef RS6000_CALL_GLUE 208#define RS6000_CALL_GLUE "{cror 31,31,31|nop}" 209 210/* AIX 4.2 and above provides initialization and finalization function 211 support from linker command line. */ 212#undef HAS_INIT_SECTION 213#define HAS_INIT_SECTION 214 215#undef LD_INIT_SWITCH 216#define LD_INIT_SWITCH "-binitfini" 217