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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [ia64/] [sysv4.h] - Rev 294
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/* Override definitions in elfos.h/svr4.h to be correct for IA64. Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007 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 3, 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. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see <http://www.gnu.org/licenses/>. */ #undef TARGET_INIT_LIBFUNCS #define TARGET_INIT_LIBFUNCS ia64_sysv4_init_libfuncs /* We want DWARF2 as specified by the IA64 ABI. */ #undef PREFERRED_DEBUGGING_TYPE #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG /* Stabs does not work properly for 64-bit targets. */ #undef DBX_DEBUGGING_INFO /* Various pseudo-ops for which the Intel assembler uses non-standard definitions. */ #undef STRING_ASM_OP #define STRING_ASM_OP "\tstringz\t" #undef SKIP_ASM_OP #define SKIP_ASM_OP "\t.skip\t" #undef COMMON_ASM_OP #define COMMON_ASM_OP "\t.common\t" #undef ASCII_DATA_ASM_OP #define ASCII_DATA_ASM_OP "\tstring\t" /* ia64-specific options for gas ??? ia64 gas doesn't accept standard svr4 assembler options? */ #undef ASM_SPEC #define ASM_SPEC "-x %{mconstant-gp} %{mauto-pic} %(asm_extra)" /* ??? Unfortunately, .lcomm doesn't work, because it puts things in either .bss or .sbss, and we can't control the decision of which is used. When I use .lcomm, I get a cryptic "Section group has no member" error from the Intel simulator. So we must explicitly put variables in .bss instead. This matters only if we care about the Intel assembler. */ /* This is asm_output_aligned_bss from varasm.c without the (*targetm.asm_out.globalize_label) call at the beginning. */ /* This is for final.c, because it is used by ASM_DECLARE_OBJECT_NAME. */ extern int size_directive_output; #undef ASM_OUTPUT_ALIGNED_LOCAL #define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \ do { \ if ((DECL) && sdata_symbolic_operand (XEXP (DECL_RTL (DECL), 0), Pmode)) \ switch_to_section (sbss_section); \ else \ switch_to_section (bss_section); \ ASM_OUTPUT_ALIGN (FILE, floor_log2 ((ALIGN) / BITS_PER_UNIT)); \ ASM_DECLARE_OBJECT_NAME (FILE, NAME, DECL); \ ASM_OUTPUT_SKIP (FILE, SIZE ? SIZE : 1); \ } while (0) /* The # tells the Intel assembler that this is not a register name. However, we can't emit the # in a label definition, so we set a variable in ASM_OUTPUT_LABEL to control whether we want the postfix here or not. We append the # to the label name, but since NAME can be an expression we have to scan it for a non-label character and insert the # there. */ #undef ASM_OUTPUT_LABELREF #define ASM_OUTPUT_LABELREF(STREAM, NAME) \ do { \ const char *name_ = NAME; \ if (*name_ == '*') \ name_++; \ else \ fputs (user_label_prefix, STREAM); \ fputs (name_, STREAM); \ if (!ia64_asm_output_label) \ fputc ('#', STREAM); \ } while (0) /* Intel assembler requires both flags and type if declaring a non-predefined section. */ #undef INIT_SECTION_ASM_OP #define INIT_SECTION_ASM_OP "\t.section\t.init,\"ax\",\"progbits\"" #undef FINI_SECTION_ASM_OP #define FINI_SECTION_ASM_OP "\t.section\t.fini,\"ax\",\"progbits\"" /* svr4.h undefines this, so we need to define it here. */ #define DBX_REGISTER_NUMBER(REGNO) \ ia64_dbx_register_number(REGNO) /* Things that svr4.h defines to the wrong type, because it assumes 32-bit ints and 32-bit longs. */ #undef SIZE_TYPE #define SIZE_TYPE "long unsigned int" #undef PTRDIFF_TYPE #define PTRDIFF_TYPE "long int" #undef WCHAR_TYPE #define WCHAR_TYPE "int" #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE 32 /* We redefine this to use the ia64 .proc pseudo-op. */ #undef ASM_DECLARE_FUNCTION_NAME #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \ do { \ fputs ("\t.proc ", FILE); \ assemble_name (FILE, NAME); \ fputc ('\n', FILE); \ ASM_OUTPUT_LABEL (FILE, NAME); \ } while (0) /* We redefine this to use the ia64 .endp pseudo-op. */ #undef ASM_DECLARE_FUNCTION_SIZE #define ASM_DECLARE_FUNCTION_SIZE(FILE, NAME, DECL) \ do { \ fputs ("\t.endp ", FILE); \ assemble_name (FILE, NAME); \ fputc ('\n', FILE); \ } while (0) /* Override default elf definition. */ #undef TARGET_ASM_RELOC_RW_MASK #define TARGET_ASM_RELOC_RW_MASK ia64_reloc_rw_mask #undef TARGET_ASM_SELECT_RTX_SECTION #define TARGET_ASM_SELECT_RTX_SECTION ia64_select_rtx_section #define SDATA_SECTION_ASM_OP "\t.sdata" #define SBSS_SECTION_ASM_OP "\t.sbss"
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