| /* Definitions of target machine for GNU compiler, |
| for 64 bit PowerPC linux. |
| Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005 |
| 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, 59 Temple Place - Suite 330, Boston, |
| MA 02111-1307, 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_alignment_string == 0) \ |
| 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) \ |
| "/* APPLE LOCAL mainline 2007-03-13 5040758 */" \ |
| %{,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 |
| |
| /* 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 |
| |
| #define MASK_PROFILE_KERNEL 0x00100000 |
| |
| /* Non-standard profiling for kernels, which just saves LR then calls |
| _mcount without worrying about arg saves. The idea is to change |
| the function prologue as little as possible as it isn't easy to |
| account for arg save/restore code added just for _mcount. */ |
| #define TARGET_PROFILE_KERNEL (target_flags & MASK_PROFILE_KERNEL) |
| |
| /* Override sysv4.h. */ |
| #undef EXTRA_SUBTARGET_SWITCHES |
| #define EXTRA_SUBTARGET_SWITCHES \ |
| {"profile-kernel", MASK_PROFILE_KERNEL, \ |
| N_("Call mcount for profiling before a function prologue") }, \ |
| {"no-profile-kernel", -MASK_PROFILE_KERNEL, \ |
| N_("Call mcount for profiling after a function prologue") }, |
| |
| /* We use glibc _mcount for profiling. */ |
| #define NO_PROFILE_COUNTERS TARGET_64BIT |
| #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_ALTIVEC && TREE_CODE (STRUCT) == VECTOR_TYPE) \ |
| ? MAX (MAX ((COMPUTED), (SPECIFIED)), 128) \ |
| : (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))) |
| |
| /* 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 1 |
| |
| #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_define ("__PIC__"); \ |
| 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 LINK_OS_LINUX_SPEC32 "-m elf32ppclinux %{!shared: %{!static: \ |
| %{rdynamic:-export-dynamic} \ |
| %{!dynamic-linker:-dynamic-linker /lib/ld.so.1}}}" |
| |
| #define LINK_OS_LINUX_SPEC64 "-m elf64ppc %{!shared: %{!static: \ |
| %{rdynamic:-export-dynamic} \ |
| %{!dynamic-linker:-dynamic-linker /lib64/ld64.so.1}}}" |
| |
| #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 \ |
| || (GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT \ |
| && ! TARGET_NO_FP_IN_TOC))) \ |
| || (!TARGET_64BIT \ |
| && !TARGET_NO_FP_IN_TOC \ |
| && !TARGET_RELOCATABLE \ |
| && GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT \ |
| && BITS_PER_WORD == HOST_BITS_PER_INT))))) |
| |
| /* This ABI cannot use DBX_LINES_FUNCTION_RELATIVE, nor can it use |
| dbxout_stab_value_internal_label_diff, because we must |
| use the function code label, not the function descriptor label. */ |
| #define DBX_OUTPUT_SOURCE_LINE(FILE, LINE, COUNTER) \ |
| do \ |
| { \ |
| char temp[256]; \ |
| const char *s; \ |
| ASM_GENERATE_INTERNAL_LABEL (temp, "LM", COUNTER); \ |
| dbxout_begin_stabn_sline (LINE); \ |
| assemble_name (FILE, temp); \ |
| putc ('-', FILE); \ |
| s = XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0); \ |
| rs6000_output_function_entry (FILE, s); \ |
| putc ('\n', FILE); \ |
| targetm.asm_out.internal_label (FILE, "LM", COUNTER); \ |
| COUNTER += 1; \ |
| } \ |
| while (0) |
| |
| /* Similarly, we want the function code label here. Cannot use |
| dbxout_stab_value_label_diff, as we have to use |
| rs6000_output_function_entry. FIXME. */ |
| #define DBX_OUTPUT_BRAC(FILE, NAME, BRAC) \ |
| do \ |
| { \ |
| const char *s; \ |
| dbxout_begin_stabn (BRAC); \ |
| assemble_name (FILE, NAME); \ |
| putc ('-', FILE); \ |
| s = XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0); \ |
| rs6000_output_function_entry (FILE, s); \ |
| putc ('\n', FILE); \ |
| } \ |
| while (0) |
| |
| #define DBX_OUTPUT_LBRAC(FILE, NAME) DBX_OUTPUT_BRAC (FILE, NAME, N_LBRAC) |
| #define DBX_OUTPUT_RBRAC(FILE, NAME) DBX_OUTPUT_BRAC (FILE, NAME, N_RBRAC) |
| |
| /* Another case where we want the dot name. */ |
| #define DBX_OUTPUT_NFUN(FILE, LSCOPE, DECL) \ |
| do \ |
| { \ |
| const char *s; \ |
| dbxout_begin_empty_stabs (N_FUN); \ |
| assemble_name (FILE, LSCOPE); \ |
| putc ('-', FILE); \ |
| s = XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0); \ |
| rs6000_output_function_entry (FILE, s); \ |
| putc ('\n', FILE); \ |
| } \ |
| while (0) |
| |
| /* 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_HAS_F_SETLKW |
| |
| #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" |