diff options
Diffstat (limited to 'contrib/gcc/config/rs6000/linux64.h')
| -rw-r--r-- | contrib/gcc/config/rs6000/linux64.h | 529 |
1 files changed, 0 insertions, 529 deletions
diff --git a/contrib/gcc/config/rs6000/linux64.h b/contrib/gcc/config/rs6000/linux64.h deleted file mode 100644 index f52b2451abe7..000000000000 --- a/contrib/gcc/config/rs6000/linux64.h +++ /dev/null @@ -1,529 +0,0 @@ -/* Definitions of target machine for GNU compiler, - for 64 bit PowerPC linux. - 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. */ - -#ifndef RS6000_BI_ARCH - -#undef DEFAULT_ABI -#define DEFAULT_ABI ABI_AIX - -#undef TARGET_64BIT -#define TARGET_64BIT 1 - -#define DEFAULT_ARCH64_P 1 -#define RS6000_BI_ARCH_P 0 - -#else - -#define DEFAULT_ARCH64_P (TARGET_DEFAULT & MASK_64BIT) -#define RS6000_BI_ARCH_P 1 - -#endif - -#ifdef IN_LIBGCC2 -#undef TARGET_64BIT -#ifdef __powerpc64__ -#define TARGET_64BIT 1 -#else -#define TARGET_64BIT 0 -#endif -#endif - -#undef TARGET_AIX -#define TARGET_AIX TARGET_64BIT - -#ifdef HAVE_LD_NO_DOT_SYMS -/* New ABI uses a local sym for the function entry point. */ -extern int dot_symbols; -#undef DOT_SYMBOLS -#define DOT_SYMBOLS dot_symbols -#endif - -#undef PROCESSOR_DEFAULT -#define PROCESSOR_DEFAULT PROCESSOR_POWER4 -#undef PROCESSOR_DEFAULT64 -#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4 - -/* We don't need to generate entries in .fixup, except when - -mrelocatable or -mrelocatable-lib is given. */ -#undef RELOCATABLE_NEEDS_FIXUP -#define RELOCATABLE_NEEDS_FIXUP \ - (target_flags & target_flags_explicit & MASK_RELOCATABLE) - -#undef RS6000_ABI_NAME -#define RS6000_ABI_NAME "linux" - -#define INVALID_64BIT "-m%s not supported in this configuration" -#define INVALID_32BIT INVALID_64BIT - -#undef SUBSUBTARGET_OVERRIDE_OPTIONS -#define SUBSUBTARGET_OVERRIDE_OPTIONS \ - do \ - { \ - if (!rs6000_explicit_options.alignment) \ - rs6000_alignment_flags = MASK_ALIGN_NATURAL; \ - if (TARGET_64BIT) \ - { \ - if (DEFAULT_ABI != ABI_AIX) \ - { \ - rs6000_current_abi = ABI_AIX; \ - error (INVALID_64BIT, "call"); \ - } \ - dot_symbols = !strcmp (rs6000_abi_name, "aixdesc"); \ - if (target_flags & MASK_RELOCATABLE) \ - { \ - target_flags &= ~MASK_RELOCATABLE; \ - error (INVALID_64BIT, "relocatable"); \ - } \ - if (target_flags & MASK_EABI) \ - { \ - target_flags &= ~MASK_EABI; \ - error (INVALID_64BIT, "eabi"); \ - } \ - if (target_flags & MASK_PROTOTYPE) \ - { \ - target_flags &= ~MASK_PROTOTYPE; \ - error (INVALID_64BIT, "prototype"); \ - } \ - if ((target_flags & MASK_POWERPC64) == 0) \ - { \ - target_flags |= MASK_POWERPC64; \ - error ("-m64 requires a PowerPC64 cpu"); \ - } \ - } \ - else \ - { \ - if (!RS6000_BI_ARCH_P) \ - error (INVALID_32BIT, "32"); \ - if (TARGET_PROFILE_KERNEL) \ - { \ - target_flags &= ~MASK_PROFILE_KERNEL; \ - error (INVALID_32BIT, "profile-kernel"); \ - } \ - } \ - } \ - while (0) - -#ifdef RS6000_BI_ARCH - -#undef OVERRIDE_OPTIONS -#define OVERRIDE_OPTIONS \ - rs6000_override_options (((TARGET_DEFAULT ^ target_flags) & MASK_64BIT) \ - ? (char *) 0 : TARGET_CPU_DEFAULT) - -#endif - -#undef ASM_DEFAULT_SPEC -#undef ASM_SPEC -#undef LINK_OS_LINUX_SPEC - -#ifndef RS6000_BI_ARCH -#define ASM_DEFAULT_SPEC "-mppc64" -#define ASM_SPEC "%(asm_spec64) %(asm_spec_common)" -#define LINK_OS_LINUX_SPEC "%(link_os_linux_spec64)" -#else -#if DEFAULT_ARCH64_P -#define ASM_DEFAULT_SPEC "-mppc%{!m32:64}" -#define ASM_SPEC "%{m32:%(asm_spec32)}%{!m32:%(asm_spec64)} %(asm_spec_common)" -#define LINK_OS_LINUX_SPEC "%{m32:%(link_os_linux_spec32)}%{!m32:%(link_os_linux_spec64)}" -#else -#define ASM_DEFAULT_SPEC "-mppc%{m64:64}" -#define ASM_SPEC "%{!m64:%(asm_spec32)}%{m64:%(asm_spec64)} %(asm_spec_common)" -#define LINK_OS_LINUX_SPEC "%{!m64:%(link_os_linux_spec32)}%{m64:%(link_os_linux_spec64)}" -#endif -#endif - -#define ASM_SPEC32 "-a32 %{n} %{T} %{Ym,*} %{Yd,*} \ -%{mrelocatable} %{mrelocatable-lib} %{fpic:-K PIC} %{fPIC:-K PIC} \ -%{memb} %{!memb: %{msdata: -memb} %{msdata=eabi: -memb}} \ -%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \ - %{mcall-freebsd: -mbig} \ - %{mcall-i960-old: -mlittle} \ - %{mcall-linux: -mbig} \ - %{mcall-gnu: -mbig} \ - %{mcall-netbsd: -mbig} \ -}}}}" - -#define ASM_SPEC64 "-a64" - -#define ASM_SPEC_COMMON "%(asm_cpu) \ -%{.s: %{mregnames} %{mno-regnames}} %{.S: %{mregnames} %{mno-regnames}} \ -%{v:-V} %{Qy:} %{!Qn:-Qy} %{Wa,*:%*} \ -%{mlittle} %{mlittle-endian} %{mbig} %{mbig-endian}" - -#undef SUBSUBTARGET_EXTRA_SPECS -#define SUBSUBTARGET_EXTRA_SPECS \ - { "asm_spec_common", ASM_SPEC_COMMON }, \ - { "asm_spec32", ASM_SPEC32 }, \ - { "asm_spec64", ASM_SPEC64 }, \ - { "link_os_linux_spec32", LINK_OS_LINUX_SPEC32 }, \ - { "link_os_linux_spec64", LINK_OS_LINUX_SPEC64 }, - -#undef MULTILIB_DEFAULTS -#if DEFAULT_ARCH64_P -#define MULTILIB_DEFAULTS { "m64" } -#else -#define MULTILIB_DEFAULTS { "m32" } -#endif - -#ifndef RS6000_BI_ARCH - -/* 64-bit PowerPC Linux is always big-endian. */ -#undef TARGET_LITTLE_ENDIAN -#define TARGET_LITTLE_ENDIAN 0 - -/* 64-bit PowerPC Linux always has a TOC. */ -#undef TARGET_TOC -#define TARGET_TOC 1 - -/* Some things from sysv4.h we don't do when 64 bit. */ -#undef TARGET_RELOCATABLE -#define TARGET_RELOCATABLE 0 -#undef TARGET_EABI -#define TARGET_EABI 0 -#undef TARGET_PROTOTYPE -#define TARGET_PROTOTYPE 0 -#undef RELOCATABLE_NEEDS_FIXUP -#define RELOCATABLE_NEEDS_FIXUP 0 - -#endif - -/* We use glibc _mcount for profiling. */ -#define NO_PROFILE_COUNTERS 1 -#define PROFILE_HOOK(LABEL) \ - do { if (TARGET_64BIT) output_profile_hook (LABEL); } while (0) - -/* PowerPC64 Linux word-aligns FP doubles when -malign-power is given. */ -#undef ADJUST_FIELD_ALIGN -#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \ - ((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \ - ? 128 \ - : (TARGET_64BIT \ - && TARGET_ALIGN_NATURAL == 0 \ - && TYPE_MODE (TREE_CODE (TREE_TYPE (FIELD)) == ARRAY_TYPE \ - ? get_inner_array_type (FIELD) \ - : TREE_TYPE (FIELD)) == DFmode) \ - ? MIN ((COMPUTED), 32) \ - : (COMPUTED)) - -/* PowerPC64 Linux increases natural record alignment to doubleword if - the first field is an FP double, only if in power alignment mode. */ -#undef ROUND_TYPE_ALIGN -#define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED) \ - ((TARGET_64BIT \ - && (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))) - -/* Use the default for compiling target libs. */ -#ifdef IN_TARGET_LIBS -#undef TARGET_ALIGN_NATURAL -#define TARGET_ALIGN_NATURAL 1 -#endif - -/* Indicate that jump tables go in the text section. */ -#undef JUMP_TABLES_IN_TEXT_SECTION -#define JUMP_TABLES_IN_TEXT_SECTION TARGET_64BIT - -/* The linux ppc64 ABI isn't explicit on whether aggregates smaller - than a doubleword should be padded upward or downward. You 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. - Setting both of the following defines results in this behavior. - Setting just the first one will result in aggregates that fit in a - doubleword being padded downward, and others being padded upward. - Not a bad idea as this results in struct { int x; } being passed - the same way as an int. */ -#define AGGREGATE_PADDING_FIXED TARGET_64BIT -#define AGGREGATES_PAD_UPWARD_ALWAYS 0 - -/* 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)) - -/* __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() \ - do { if (TARGET_64BIT) rs6000_aix_emit_builtin_unwind_init (); } while (0) - -/* Override svr4.h */ -#undef MD_EXEC_PREFIX -#undef MD_STARTFILE_PREFIX - -/* Linux doesn't support saving and restoring 64-bit regs in a 32-bit - process. */ -#define OS_MISSING_POWERPC64 !TARGET_64BIT - -/* glibc has float and long double forms of math functions. */ -#undef TARGET_C99_FUNCTIONS -#define TARGET_C99_FUNCTIONS (OPTION_GLIBC) - -#undef TARGET_OS_CPP_BUILTINS -#define TARGET_OS_CPP_BUILTINS() \ - do \ - { \ - if (TARGET_64BIT) \ - { \ - builtin_define ("__PPC__"); \ - builtin_define ("__PPC64__"); \ - builtin_define ("__powerpc__"); \ - builtin_define ("__powerpc64__"); \ - builtin_assert ("cpu=powerpc64"); \ - builtin_assert ("machine=powerpc64"); \ - } \ - else \ - { \ - builtin_define_std ("PPC"); \ - builtin_define_std ("powerpc"); \ - builtin_assert ("cpu=powerpc"); \ - builtin_assert ("machine=powerpc"); \ - TARGET_OS_SYSV_CPP_BUILTINS (); \ - } \ - } \ - while (0) - -#undef CPP_OS_DEFAULT_SPEC -#define CPP_OS_DEFAULT_SPEC "%(cpp_os_linux)" - -/* The GNU C++ standard library currently requires _GNU_SOURCE being - defined on glibc-based systems. This temporary hack accomplishes this, - it should go away as soon as libstdc++-v3 has a real fix. */ -#undef CPLUSPLUS_CPP_SPEC -#define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)" - -#undef LINK_SHLIB_SPEC -#define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}}" - -#undef LIB_DEFAULT_SPEC -#define LIB_DEFAULT_SPEC "%(lib_linux)" - -#undef STARTFILE_DEFAULT_SPEC -#define STARTFILE_DEFAULT_SPEC "%(startfile_linux)" - -#undef ENDFILE_DEFAULT_SPEC -#define ENDFILE_DEFAULT_SPEC "%(endfile_linux)" - -#undef LINK_START_DEFAULT_SPEC -#define LINK_START_DEFAULT_SPEC "%(link_start_linux)" - -#undef LINK_OS_DEFAULT_SPEC -#define LINK_OS_DEFAULT_SPEC "%(link_os_linux)" - -#define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1" -#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld64.so.1" -#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0" -#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0" -#if UCLIBC_DEFAULT -#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}" -#else -#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}" -#endif -#define LINUX_DYNAMIC_LINKER32 \ - CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32) -#define LINUX_DYNAMIC_LINKER64 \ - CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64) - - -#define LINK_OS_LINUX_SPEC32 "-m elf32ppclinux %{!shared: %{!static: \ - %{rdynamic:-export-dynamic} \ - %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "}}}" - -#define LINK_OS_LINUX_SPEC64 "-m elf64ppc %{!shared: %{!static: \ - %{rdynamic:-export-dynamic} \ - %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}}}" - -#undef TOC_SECTION_ASM_OP -#define TOC_SECTION_ASM_OP \ - (TARGET_64BIT \ - ? "\t.section\t\".toc\",\"aw\"" \ - : "\t.section\t\".got\",\"aw\"") - -#undef MINIMAL_TOC_SECTION_ASM_OP -#define MINIMAL_TOC_SECTION_ASM_OP \ - (TARGET_64BIT \ - ? "\t.section\t\".toc1\",\"aw\"" \ - : ((TARGET_RELOCATABLE || flag_pic) \ - ? "\t.section\t\".got2\",\"aw\"" \ - : "\t.section\t\".got1\",\"aw\"")) - -#undef TARGET_VERSION -#define TARGET_VERSION fprintf (stderr, " (PowerPC64 GNU/Linux)"); - -/* Must be at least as big as our pointer type. */ -#undef SIZE_TYPE -#define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int") - -#undef PTRDIFF_TYPE -#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int") - -#undef WCHAR_TYPE -#define WCHAR_TYPE (TARGET_64BIT ? "int" : "long int") -#undef WCHAR_TYPE_SIZE -#define WCHAR_TYPE_SIZE 32 - -/* Override rs6000.h definition. */ -#undef ASM_APP_ON -#define ASM_APP_ON "#APP\n" - -/* Override rs6000.h definition. */ -#undef ASM_APP_OFF -#define ASM_APP_OFF "#NO_APP\n" - -/* PowerPC no-op instruction. */ -#undef RS6000_CALL_GLUE -#define RS6000_CALL_GLUE (TARGET_64BIT ? "nop" : "cror 31,31,31") - -#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. */ -#if DOT_SYMBOLS -#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \ - asm (SECTION_OP "\n" \ -" bl ." #FUNC "\n" \ -" nop\n" \ -" .previous"); -#else -#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \ - asm (SECTION_OP "\n" \ -" bl " #FUNC "\n" \ -" nop\n" \ -" .previous"); -#endif -#endif - -/* FP save and restore routines. */ -#undef SAVE_FP_PREFIX -#define SAVE_FP_PREFIX (TARGET_64BIT ? "._savef" : "_savefpr_") -#undef SAVE_FP_SUFFIX -#define SAVE_FP_SUFFIX (TARGET_64BIT ? "" : "_l") -#undef RESTORE_FP_PREFIX -#define RESTORE_FP_PREFIX (TARGET_64BIT ? "._restf" : "_restfpr_") -#undef RESTORE_FP_SUFFIX -#define RESTORE_FP_SUFFIX (TARGET_64BIT ? "" : "_l") - -/* Dwarf2 debugging. */ -#undef PREFERRED_DEBUGGING_TYPE -#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG - -/* This is how to declare the size of a function. */ -#undef ASM_DECLARE_FUNCTION_SIZE -#define ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL) \ - do \ - { \ - if (!flag_inhibit_size_directive) \ - { \ - fputs ("\t.size\t", (FILE)); \ - if (TARGET_64BIT && DOT_SYMBOLS) \ - putc ('.', (FILE)); \ - assemble_name ((FILE), (FNAME)); \ - fputs (",.-", (FILE)); \ - rs6000_output_function_entry (FILE, FNAME); \ - putc ('\n', (FILE)); \ - } \ - } \ - while (0) - -/* 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 - do this if the FP formats of the target and host machines are the - same, but we can't check that since not every file that uses - GO_IF_LEGITIMATE_ADDRESS_P includes real.h. We also do this when - we can write the entry into the TOC and the entry is not larger - than a TOC entry. */ - -#undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P -#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \ - (TARGET_TOC \ - && (GET_CODE (X) == SYMBOL_REF \ - || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \ - && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \ - || GET_CODE (X) == LABEL_REF \ - || (GET_CODE (X) == CONST_INT \ - && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \ - || (GET_CODE (X) == CONST_DOUBLE \ - && ((TARGET_64BIT \ - && (TARGET_POWERPC64 \ - || TARGET_MINIMAL_TOC \ - || (SCALAR_FLOAT_MODE_P (GET_MODE (X)) \ - && ! TARGET_NO_FP_IN_TOC))) \ - || (!TARGET_64BIT \ - && !TARGET_NO_FP_IN_TOC \ - && !TARGET_RELOCATABLE \ - && SCALAR_FLOAT_MODE_P (GET_MODE (X)) \ - && BITS_PER_WORD == HOST_BITS_PER_INT))))) - -/* Select a format to encode pointers in exception handling data. CODE - is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is - true if the symbol may be affected by dynamic relocations. */ -#undef ASM_PREFERRED_EH_DATA_FORMAT -#define ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \ - ((TARGET_64BIT || flag_pic || TARGET_RELOCATABLE) \ - ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel \ - | (TARGET_64BIT ? DW_EH_PE_udata8 : DW_EH_PE_sdata4)) \ - : DW_EH_PE_absptr) - -/* For backward compatibility, we must continue to use the AIX - structure return convention. */ -#undef DRAFT_V4_STRUCT_RET -#define DRAFT_V4_STRUCT_RET (!TARGET_64BIT) - -#define TARGET_ASM_FILE_END rs6000_elf_end_indicate_exec_stack - -#define TARGET_POSIX_IO - -#define LINK_GCC_C_SEQUENCE_SPEC \ - "%{static:--start-group} %G %L %{static:--end-group}%{!static:%G}" - -/* Use --as-needed -lgcc_s for eh support. */ -#ifdef HAVE_LD_AS_NEEDED -#define USE_LD_AS_NEEDED 1 -#endif - -#define MD_UNWIND_SUPPORT "config/rs6000/linux-unwind.h" - -#ifdef TARGET_LIBC_PROVIDES_SSP -/* ppc32 glibc provides __stack_chk_guard in -0x7008(2), - ppc64 glibc provides it at -0x7010(13). */ -#define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? -0x7010 : -0x7008) -#endif - -#define POWERPC_LINUX - -/* ppc{32,64} linux has 128-bit long double support in glibc 2.4 and later. */ -#ifdef TARGET_DEFAULT_LONG_DOUBLE_128 -#define RS6000_DEFAULT_LONG_DOUBLE_SIZE 128 -#endif |