aix52.h revision 132718
1/* Definitions of target machine for GNU compiler, 2 for IBM RS/6000 POWER running AIX V5.2. 3 Copyright (C) 2002, 2003 Free Software Foundation, Inc. 4 Contributed by David Edelsohn (edelsohn@gnu.org). 5 6 This file is part of GCC. 7 8 GCC is free software; you can redistribute it and/or modify it 9 under the terms of the GNU General Public License as published 10 by the Free Software Foundation; either version 2, or (at your 11 option) any later version. 12 13 GCC is distributed in the hope that it will be useful, but WITHOUT 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 15 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 16 License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with GCC; see the file COPYING. If not, write to the 20 Free Software Foundation, 59 Temple Place - Suite 330, Boston, 21 MA 02111-1307, USA. */ 22 23/* AIX V5 and above support 64-bit executables. */ 24#undef SUBSUBTARGET_SWITCHES 25#define SUBSUBTARGET_SWITCHES \ 26 {"aix64", MASK_64BIT | MASK_POWERPC64 | MASK_POWERPC, \ 27 N_("Compile for 64-bit pointers") }, \ 28 {"aix32", - (MASK_64BIT | MASK_POWERPC64), \ 29 N_("Compile for 32-bit pointers") }, \ 30 {"pe", 0, \ 31 N_("Support message passing with the Parallel Environment") }, 32 33/* Sometimes certain combinations of command options do not make sense 34 on a particular target machine. You can define a macro 35 `OVERRIDE_OPTIONS' to take account of this. This macro, if 36 defined, is executed once just after all the command options have 37 been parsed. 38 39 The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to 40 get control. */ 41 42#define NON_POWERPC_MASKS (MASK_POWER | MASK_POWER2) 43#define SUBTARGET_OVERRIDE_OPTIONS \ 44do { \ 45 if (TARGET_64BIT && (target_flags & NON_POWERPC_MASKS)) \ 46 { \ 47 target_flags &= ~NON_POWERPC_MASKS; \ 48 warning ("-maix64 and POWER architecture are incompatible"); \ 49 } \ 50 if (TARGET_64BIT && ! TARGET_POWERPC64) \ 51 { \ 52 target_flags |= MASK_POWERPC64; \ 53 warning ("-maix64 requires PowerPC64 architecture remain enabled"); \ 54 } \ 55 if (TARGET_POWERPC64 && ! TARGET_64BIT) \ 56 { \ 57 error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \ 58 } \ 59} while (0); 60 61#undef ASM_SPEC 62#define ASM_SPEC "-u %{maix64:-a64 %{!mcpu*:-mppc64}} %(asm_cpu)" 63 64/* Common ASM definitions used by ASM_SPEC amongst the various targets 65 for handling -mcpu=xxx switches. */ 66#undef ASM_CPU_SPEC 67#define ASM_CPU_SPEC \ 68"%{!mcpu*: %{!maix64: \ 69 %{mpowerpc64: -mppc64} \ 70 %{!mpower64: %(asm_default)}}} \ 71%{mcpu=power3: -m620} \ 72%{mcpu=power4: -m620} \ 73%{mcpu=powerpc: -mppc} \ 74%{mcpu=rs64a: -mppc} \ 75%{mcpu=603: -m603} \ 76%{mcpu=603e: -m603} \ 77%{mcpu=604: -m604} \ 78%{mcpu=604e: -m604} \ 79%{mcpu=620: -m620} \ 80%{mcpu=630: -m620}" 81 82#undef ASM_DEFAULT_SPEC 83#define ASM_DEFAULT_SPEC "-mppc" 84 85#undef TARGET_OS_CPP_BUILTINS 86#define TARGET_OS_CPP_BUILTINS() \ 87 do \ 88 { \ 89 builtin_define ("_IBMR2"); \ 90 builtin_define ("_POWER"); \ 91 builtin_define ("_LONG_LONG"); \ 92 builtin_define ("_AIX"); \ 93 builtin_define ("_AIX32"); \ 94 builtin_define ("_AIX41"); \ 95 builtin_define ("_AIX43"); \ 96 builtin_define ("_AIX51"); \ 97 builtin_define ("_AIX52"); \ 98 builtin_assert ("system=unix"); \ 99 builtin_assert ("system=aix"); \ 100 } \ 101 while (0) 102 103#undef CPP_SPEC 104#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \ 105 %{ansi: -D_ANSI_C_SOURCE} \ 106 %{maix64: -D__64BIT__} \ 107 %{mpe: -I/usr/lpp/ppe.poe/include} \ 108 %{pthread: -D_THREAD_SAFE}" 109 110/* The GNU C++ standard library requires that these macros be 111 defined. */ 112#undef CPLUSPLUS_CPP_SPEC 113#define CPLUSPLUS_CPP_SPEC \ 114 "-D_XOPEN_SOURCE=500 \ 115 -D_XOPEN_SOURCE_EXTENDED=1 \ 116 -D_LARGE_FILE_API \ 117 -D_ALL_SOURCE \ 118 %{maix64: -D__64BIT__} \ 119 %{mpe: -I/usr/lpp/ppe.poe/include} \ 120 %{pthread: -D_THREAD_SAFE}" 121 122#undef TARGET_DEFAULT 123#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS) 124 125#undef PROCESSOR_DEFAULT 126#define PROCESSOR_DEFAULT PROCESSOR_PPC630 127#undef PROCESSOR_DEFAULT64 128#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4 129 130#undef TARGET_POWER 131#define TARGET_POWER 0 132 133/* Define this macro as a C expression for the initializer of an 134 array of string to tell the driver program which options are 135 defaults for this target and thus do not need to be handled 136 specially when using `MULTILIB_OPTIONS'. 137 138 Do not define this macro if `MULTILIB_OPTIONS' is not defined in 139 the target makefile fragment or if none of the options listed in 140 `MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */ 141 142#undef MULTILIB_DEFAULTS 143 144#undef LIB_SPEC 145#define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\ 146 %{p:-L/lib/profiled -L/usr/lib/profiled}\ 147 %{!maix64:%{!shared:%{g*:-lg}}}\ 148 %{mpe:-L/usr/lpp/ppe.poe/lib -lmpi -lvtd}\ 149 %{pthread:-lpthreads} -lc" 150 151#undef LINK_SPEC 152#define LINK_SPEC "-bpT:0x10000000 -bpD:0x20000000 %{!r:-btextro} -bnodelcsect\ 153 %{static:-bnso %(link_syscalls) } %{shared:-bM:SRE %{!e:-bnoentry}}\ 154 %{!maix64:%{!shared:%{g*: %(link_libg) }}} %{maix64:-b64}\ 155 %{mpe:-binitfini:poe_remote_main}" 156 157#undef STARTFILE_SPEC 158#define STARTFILE_SPEC "%{!shared:\ 159 %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\ 160 %{!maix64:\ 161 %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\ 162 %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}" 163 164/* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */ 165 166#undef PTRDIFF_TYPE 167#define PTRDIFF_TYPE "long int" 168 169/* Type used for wchar_t, as a string used in a declaration. */ 170#undef WCHAR_TYPE 171#define WCHAR_TYPE (!TARGET_64BIT ? "short unsigned int" : "unsigned int") 172 173/* Width of wchar_t in bits. */ 174#undef WCHAR_TYPE_SIZE 175#define WCHAR_TYPE_SIZE (!TARGET_64BIT ? 16 : 32) 176#define MAX_WCHAR_TYPE_SIZE 32 177 178/* AIX V5 uses PowerPC nop (ori 0,0,0) instruction as call glue for PowerPC 179 and "cror 31,31,31" for POWER architecture. */ 180 181#undef RS6000_CALL_GLUE 182#define RS6000_CALL_GLUE "{cror 31,31,31|nop}" 183 184/* AIX 4.2 and above provides initialization and finalization function 185 support from linker command line. */ 186#undef HAS_INIT_SECTION 187#define HAS_INIT_SECTION 188 189#undef LD_INIT_SWITCH 190#define LD_INIT_SWITCH "-binitfini" 191 192/* AIX 5.2 has the float and long double forms of math functions. */ 193#undef TARGET_C99_FUNCTIONS 194#define TARGET_C99_FUNCTIONS 1 195 196