diff options
Diffstat (limited to 'contrib/gcc/config/rs6000/linux64.h')
| -rw-r--r-- | contrib/gcc/config/rs6000/linux64.h | 81 |
1 files changed, 43 insertions, 38 deletions
diff --git a/contrib/gcc/config/rs6000/linux64.h b/contrib/gcc/config/rs6000/linux64.h index ce8f7ac..55065c6 100644 --- a/contrib/gcc/config/rs6000/linux64.h +++ b/contrib/gcc/config/rs6000/linux64.h @@ -1,5 +1,5 @@ /* Definitions of target machine for GNU compiler, - for 64 bit powerpc linux. + for 64 bit PowerPC linux. Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of GNU CC. @@ -31,8 +31,10 @@ Boston, MA 02111-1307, USA. */ #define TARGET_DEFAULT \ (MASK_POWERPC | MASK_POWERPC64 | MASK_64BIT | MASK_NEW_MNEMONICS) -#undef CPP_DEFAULT_SPEC -#define CPP_DEFAULT_SPEC "-D_ARCH_PPC64" +#undef PROCESSOR_DEFAULT +#define PROCESSOR_DEFAULT PROCESSOR_PPC630 +#undef PROCESSOR_DEFAULT64 +#define PROCESSOR_DEFAULT64 PROCESSOR_PPC630 #undef ASM_DEFAULT_SPEC #define ASM_DEFAULT_SPEC "-mppc64" @@ -104,18 +106,24 @@ Boston, MA 02111-1307, USA. */ So we have to squirrel it away with this. */ #define SETUP_FRAME_ADDRESSES() rs6000_aix_emit_builtin_unwind_init () -/* Don't assume anything about the header files. */ -#define NO_IMPLICIT_EXTERN_C - +/* Override svr4.h */ #undef MD_EXEC_PREFIX #undef MD_STARTFILE_PREFIX -#undef CPP_PREDEFINES -#define CPP_PREDEFINES \ - "-D_PPC_ -D__PPC__ -D_PPC64_ -D__PPC64__ -D__powerpc__ -D__powerpc64__ \ - -D_PIC_ -D__PIC__ -D_BIG_ENDIAN -D__BIG_ENDIAN__ -D__ELF__ \ - -D__LONG_MAX__=9223372036854775807L \ - -Acpu=powerpc64 -Amachine=powerpc64" +#undef TARGET_OS_CPP_BUILTINS +#define TARGET_OS_CPP_BUILTINS() \ + do \ + { \ + builtin_define ("__PPC__"); \ + builtin_define ("__PPC64__"); \ + builtin_define ("__powerpc__"); \ + builtin_define ("__powerpc64__"); \ + builtin_define ("__PIC__"); \ + builtin_define ("__ELF__"); \ + builtin_assert ("cpu=powerpc64"); \ + builtin_assert ("machine=powerpc64"); \ + } \ + while (0) #undef CPP_OS_DEFAULT_SPEC #define CPP_OS_DEFAULT_SPEC "%(cpp_os_linux)" @@ -145,29 +153,23 @@ Boston, MA 02111-1307, USA. */ #define LINK_OS_DEFAULT_SPEC "%(link_os_linux)" #undef LINK_OS_LINUX_SPEC -#ifndef CROSS_COMPILE -#define LINK_OS_LINUX_SPEC "-m elf64ppc %{!shared: %{!static: \ - %{rdynamic:-export-dynamic} \ - %{!dynamic-linker:-dynamic-linker /lib64/ld.so.1}}}" -#else #define LINK_OS_LINUX_SPEC "-m elf64ppc %{!shared: %{!static: \ %{rdynamic:-export-dynamic} \ - %{!dynamic-linker:-dynamic-linker ld.so.1}}}" + %{!dynamic-linker:-dynamic-linker /lib64/ld64.so.1}}}" + +#ifdef NATIVE_CROSS +#define STARTFILE_PREFIX_SPEC "/usr/local/lib64/ /lib64/ /usr/lib64/" #endif -#ifndef CROSS_COMPILE #undef STARTFILE_LINUX_SPEC #define STARTFILE_LINUX_SPEC "\ -%{!shared: %{pg:/usr/lib64/gcrt1.o%s} %{!pg:%{p:/usr/lib64/gcrt1.o%s} \ - %{!p:/usr/lib64/crt1.o%s}}} /usr/lib64/crti.o%s \ -%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}" -#endif +%{!shared: %{pg:gcrt1.o%s} %{!pg:%{p:gcrt1.o%s} %{!p:crt1.o%s}}} crti.o%s \ +%{static:crtbeginT.o%s} \ +%{!static:%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}}" -#ifndef CROSS_COMPILE #undef ENDFILE_LINUX_SPEC #define ENDFILE_LINUX_SPEC "\ -%{!shared:crtend.o%s} %{shared:crtendS.o%s} /usr/lib64/crtn.o%s" -#endif +%{!shared:crtend.o%s} %{shared:crtendS.o%s} crtn.o%s" #undef TOC_SECTION_ASM_OP #define TOC_SECTION_ASM_OP "\t.section\t\".toc\",\"aw\"" @@ -205,6 +207,18 @@ Boston, MA 02111-1307, USA. */ #undef RS6000_MCOUNT #define RS6000_MCOUNT "_mcount" +#ifdef __powerpc64__ +/* _init and _fini functions are built from bits spread across many + object files, each potentially with a different TOC pointer. For + that reason, place a nop after the call so that the linker can + restore the TOC pointer if a TOC adjusting call stub is needed. */ +#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \ + asm (SECTION_OP "\n" \ +" bl ." #FUNC "\n" \ +" nop\n" \ +" .previous"); +#endif + /* FP save and restore routines. */ #undef SAVE_FP_PREFIX #define SAVE_FP_PREFIX "._savef" @@ -219,17 +233,8 @@ Boston, MA 02111-1307, USA. */ #undef PREFERRED_DEBUGGING_TYPE #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG -/* If we are referencing a function that is static or is known to be - in this file, make the SYMBOL_REF special. We can use this to indicate - that we can branch to this function without emitting a no-op after the - call. Do not set this flag if the function is weakly defined. */ - -#undef ENCODE_SECTION_INFO -#define ENCODE_SECTION_INFO(DECL) \ - if (TREE_CODE (DECL) == FUNCTION_DECL \ - && (TREE_ASM_WRITTEN (DECL) || ! TREE_PUBLIC (DECL)) \ - && ! DECL_WEAK (DECL)) \ - SYMBOL_REF_FLAG (XEXP (DECL_RTL (DECL), 0)) = 1; +#undef TARGET_ENCODE_SECTION_INFO +#define TARGET_ENCODE_SECTION_INFO rs6000_xcoff_encode_section_info /* This is how to output a reference to a user-level label named NAME. `assemble_name' uses this. */ @@ -290,7 +295,7 @@ do { \ } \ while (0) -/* Return non-zero if this entry is to be written into the constant +/* Return nonzero if this entry is to be written into the constant pool in a special way. We do so if this is a SYMBOL_REF, LABEL_REF or a CONST containing one of them. If -mfp-in-toc (the default), we also do this for floating-point constants. We actually can only |
