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Diffstat (limited to 'contrib/gcc/config/rs6000/aix.h')
| -rw-r--r-- | contrib/gcc/config/rs6000/aix.h | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/contrib/gcc/config/rs6000/aix.h b/contrib/gcc/config/rs6000/aix.h deleted file mode 100644 index 242bd024177a..000000000000 --- a/contrib/gcc/config/rs6000/aix.h +++ /dev/null @@ -1,260 +0,0 @@ -/* Definitions of target machine for GNU compiler, - for IBM RS/6000 POWER running AIX. - Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006 - Free Software Foundation, Inc. - - 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 2, 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 COPYING. If not, write to the - Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* Yes! We are AIX! */ -#define DEFAULT_ABI ABI_AIX -#undef TARGET_AIX -#define TARGET_AIX 1 - -/* AIX always has a TOC. */ -#define TARGET_NO_TOC 0 -#define TARGET_TOC 1 -#define FIXED_R2 1 - -/* AIX allows r13 to be used in 32-bit mode. */ -#define FIXED_R13 0 - -/* 32-bit and 64-bit AIX stack boundary is 128. */ -#undef STACK_BOUNDARY -#define STACK_BOUNDARY 128 - -/* AIX does not support Altivec. */ -#undef TARGET_ALTIVEC -#define TARGET_ALTIVEC 0 -#undef TARGET_ALTIVEC_ABI -#define TARGET_ALTIVEC_ABI 0 -#undef TARGET_IEEEQUAD -#define TARGET_IEEEQUAD 0 - -/* The AIX linker will discard static constructors in object files before - collect has a chance to see them, so scan the object files directly. */ -#define COLLECT_EXPORT_LIST - -/* Handle #pragma weak and #pragma pack. */ -#define HANDLE_SYSV_PRAGMA 1 - -/* This is the only version of nm that collect2 can work with. */ -#define REAL_NM_FILE_NAME "/usr/ucb/nm" - -#define USER_LABEL_PREFIX "" - -/* Don't turn -B into -L if the argument specifies a relative file name. */ -#define RELATIVE_PREFIX_NOT_LINKDIR - -/* Because of the above, we must have gcc search itself to find libgcc.a. */ -#define LINK_LIBGCC_SPECIAL_1 - -#define MFWRAP_SPEC " %{static: %{fmudflap|fmudflapth: \ - -brename:malloc,__wrap_malloc -brename:__real_malloc,malloc \ - -brename:free,__wrap_free -brename:__real_free,free \ - -brename:calloc,__wrap_calloc -brename:__real_calloc,calloc \ - -brename:realloc,__wrap_realloc -brename:__real_realloc,realloc \ - -brename:mmap,__wrap_mmap -brename:__real_mmap,mmap \ - -brename:munmap,__wrap_munmap -brename:__real_munmap,munmap \ - -brename:alloca,__wrap_alloca -brename:__real_alloca,alloca \ -} %{fmudflapth: \ - -brename:pthread_create,__wrap_pthread_create \ - -brename:__real_pthread_create,pthread_create \ - -brename:pthread_join,__wrap_pthread_join \ - -brename:__real_pthread_join,pthread_join \ - -brename:pthread_exit,__wrap_pthread_exit \ - -brename:__real_pthread_exit,pthread_exit \ -}} %{fmudflap|fmudflapth: \ - -brename:main,__wrap_main -brename:__real_main,main \ -}" - -#define MFLIB_SPEC " %{fmudflap: -lmudflap \ - %{static:%(link_gcc_c_sequence) -lmudflap}} \ - %{fmudflapth: -lmudflapth -lpthread \ - %{static:%(link_gcc_c_sequence) -lmudflapth}} " - -/* Names to predefine in the preprocessor for this target machine. */ -#define TARGET_OS_AIX_CPP_BUILTINS() \ - do \ - { \ - builtin_define ("_IBMR2"); \ - builtin_define ("_POWER"); \ - builtin_define ("_AIX"); \ - builtin_define ("_AIX32"); \ - builtin_define ("_AIX41"); \ - builtin_define ("_LONG_LONG"); \ - if (TARGET_LONG_DOUBLE_128) \ - builtin_define ("__LONGDOUBLE128"); \ - builtin_assert ("system=unix"); \ - builtin_assert ("system=aix"); \ - } \ - while (0) - -/* Define appropriate architecture macros for preprocessor depending on - target switches. */ - -#define CPP_SPEC "%{posix: -D_POSIX_SOURCE}\ - %{ansi: -D_ANSI_C_SOURCE}" - -#undef ASM_DEFAULT_SPEC -#define ASM_DEFAULT_SPEC "" - -/* Tell the assembler to assume that all undefined names are external. - - Don't do this until the fixed IBM assembler is more generally available. - When this becomes permanently defined, the ASM_OUTPUT_EXTERNAL, - ASM_OUTPUT_EXTERNAL_LIBCALL, and RS6000_OUTPUT_BASENAME macros will no - longer be needed. Also, the extern declaration of mcount in - rs6000_xcoff_file_start will no longer be needed. */ - -/* #define ASM_SPEC "-u %(asm_cpu)" */ - -/* Default location of syscalls.exp under AIX */ -#ifndef CROSS_DIRECTORY_STRUCTURE -#define LINK_SYSCALLS_SPEC "-bI:/lib/syscalls.exp" -#else -#define LINK_SYSCALLS_SPEC "" -#endif - -/* Default location of libg.exp under AIX */ -#ifndef CROSS_DIRECTORY_STRUCTURE -#define LINK_LIBG_SPEC "-bexport:/usr/lib/libg.exp" -#else -#define LINK_LIBG_SPEC "" -#endif - -/* Define the options for the binder: Start text at 512, align all segments - to 512 bytes, and warn if there is text relocation. - - The -bhalt:4 option supposedly changes the level at which ld will abort, - but it also suppresses warnings about multiply defined symbols and is - used by the AIX cc command. So we use it here. - - -bnodelcsect undoes a poor choice of default relating to multiply-defined - csects. See AIX documentation for more information about this. - - -bM:SRE tells the linker that the output file is Shared REusable. Note - that to actually build a shared library you will also need to specify an - export list with the -Wl,-bE option. */ - -#define LINK_SPEC "-T512 -H512 %{!r:-btextro} -bhalt:4 -bnodelcsect\ -%{static:-bnso %(link_syscalls) } \ -%{!shared:%{g*: %(link_libg) }} %{shared:-bM:SRE}" - -/* Profiled library versions are used by linking with special directories. */ -#define LIB_SPEC "%{pg:-L/lib/profiled -L/usr/lib/profiled}\ -%{p:-L/lib/profiled -L/usr/lib/profiled} %{!shared:%{g*:-lg}} -lc" - -/* This now supports a natural alignment mode. */ -/* AIX word-aligns FP doubles but doubleword-aligns 64-bit ints. */ -#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \ - (TARGET_ALIGN_NATURAL ? (COMPUTED) : \ - (TYPE_MODE (TREE_CODE (TREE_TYPE (FIELD)) == ARRAY_TYPE \ - ? get_inner_array_type (FIELD) \ - : TREE_TYPE (FIELD)) == DFmode \ - ? MIN ((COMPUTED), 32) : (COMPUTED))) - -/* AIX increases natural record alignment to doubleword if the first - field is an FP double while the FP fields remain word aligned. */ -#define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED) \ - ((TREE_CODE (STRUCT) == RECORD_TYPE \ - || TREE_CODE (STRUCT) == UNION_TYPE \ - || TREE_CODE (STRUCT) == QUAL_UNION_TYPE) \ - && TARGET_ALIGN_NATURAL == 0 \ - ? rs6000_special_round_type_align (STRUCT, COMPUTED, SPECIFIED) \ - : MAX ((COMPUTED), (SPECIFIED))) - -/* The AIX ABI isn't explicit on whether aggregates smaller than a - word/doubleword should be padded upward or downward. One could - reasonably assume that they follow the normal rules for structure - layout treating the parameter area as any other block of memory, - then map the reg param area to registers, i.e., pad upward, which - is the way IBM Compilers for AIX behave. - Setting both of the following defines results in this behavior. */ -#define AGGREGATE_PADDING_FIXED 1 -#define AGGREGATES_PAD_UPWARD_ALWAYS 1 - -/* Specify padding for the last element of a block move between - registers and memory. FIRST is nonzero if this is the only - element. */ -#define BLOCK_REG_PADDING(MODE, TYPE, FIRST) \ - (!(FIRST) ? upward : FUNCTION_ARG_PADDING (MODE, TYPE)) - -/* Indicate that jump tables go in the text section. */ - -#define JUMP_TABLES_IN_TEXT_SECTION 1 - -/* Define any extra SPECS that the compiler needs to generate. */ -#undef SUBTARGET_EXTRA_SPECS -#define SUBTARGET_EXTRA_SPECS \ - { "link_syscalls", LINK_SYSCALLS_SPEC }, \ - { "link_libg", LINK_LIBG_SPEC } - -/* Define cutoff for using external functions to save floating point. */ -#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) == 62 || (FIRST_REG) == 63) - -/* __throw will restore its own return address to be the same as the - return address of the function that the throw is being made to. - This is unfortunate, because we want to check the original - return address to see if we need to restore the TOC. - So we have to squirrel it away with this. */ -#define SETUP_FRAME_ADDRESSES() rs6000_aix_emit_builtin_unwind_init () - -/* If the current unwind info (FS) does not contain explicit info - saving R2, then we have to do a minor amount of code reading to - figure out if it was saved. The big problem here is that the - code that does the save/restore is generated by the linker, so - we have no good way to determine at compile time what to do. */ - -#ifdef __64BIT__ -#define MD_FROB_UPDATE_CONTEXT(CTX, FS) \ - do { \ - if ((FS)->regs.reg[2].how == REG_UNSAVED) \ - { \ - unsigned int *insn \ - = (unsigned int *) \ - _Unwind_GetGR ((CTX), LINK_REGISTER_REGNUM); \ - if (*insn == 0xE8410028) \ - _Unwind_SetGRPtr ((CTX), 2, (CTX)->cfa + 40); \ - } \ - } while (0) -#else -#define MD_FROB_UPDATE_CONTEXT(CTX, FS) \ - do { \ - if ((FS)->regs.reg[2].how == REG_UNSAVED) \ - { \ - unsigned int *insn \ - = (unsigned int *) \ - _Unwind_GetGR ((CTX), LINK_REGISTER_REGNUM); \ - if (*insn == 0x80410014) \ - _Unwind_SetGRPtr ((CTX), 2, (CTX)->cfa + 20); \ - } \ - } while (0) -#endif - -#define PROFILE_HOOK(LABEL) output_profile_hook (LABEL) - -/* Print subsidiary information on the compiler version in use. */ -#define TARGET_VERSION ; - -/* No version of AIX fully supports AltiVec or 64-bit instructions in - 32-bit mode. */ -#define OS_MISSING_POWERPC64 1 -#define OS_MISSING_ALTIVEC 1 - -/* WINT_TYPE */ -#define WINT_TYPE "int" |