#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
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
#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) \
"" \
%{,assembler|,assembler-with-cpp: %{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
#undef TARGET_LITTLE_ENDIAN
#define TARGET_LITTLE_ENDIAN 0
#undef TARGET_TOC
#define TARGET_TOC 1
#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
#define NO_PROFILE_COUNTERS 1
#define PROFILE_HOOK(LABEL) \
do { if (TARGET_64BIT) output_profile_hook (LABEL); } while (0)
#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))
#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)))
#ifdef IN_TARGET_LIBS
#undef TARGET_ALIGN_NATURAL
#define TARGET_ALIGN_NATURAL 1
#endif
#undef JUMP_TABLES_IN_TEXT_SECTION
#define JUMP_TABLES_IN_TEXT_SECTION TARGET_64BIT
#define AGGREGATE_PADDING_FIXED TARGET_64BIT
#define AGGREGATES_PAD_UPWARD_ALWAYS 0
#define BLOCK_REG_PADDING(MODE, TYPE, FIRST) \
(!(FIRST) ? upward : FUNCTION_ARG_PADDING (MODE, TYPE))
#define SETUP_FRAME_ADDRESSES() \
do { if (TARGET_64BIT) rs6000_aix_emit_builtin_unwind_init (); } while (0)
#undef MD_EXEC_PREFIX
#undef MD_STARTFILE_PREFIX
#define OS_MISSING_POWERPC64 !TARGET_64BIT
#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)"
#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)");
#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
#undef ASM_APP_ON
#define ASM_APP_ON "#APP\n"
#undef ASM_APP_OFF
#define ASM_APP_OFF "#NO_APP\n"
#undef RS6000_CALL_GLUE
#define RS6000_CALL_GLUE (TARGET_64BIT ? "nop" : "cror 31,31,31")
#undef RS6000_MCOUNT
#define RS6000_MCOUNT "_mcount"
#ifdef __powerpc64__
#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
#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")
#undef PREFERRED_DEBUGGING_TYPE
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
#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)
#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)))))
#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)
#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}"
#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
#define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? -0x7010 : -0x7008)
#endif
#define POWERPC_LINUX
#ifdef TARGET_DEFAULT_LONG_DOUBLE_128
#define RS6000_DEFAULT_LONG_DOUBLE_SIZE 128
#endif