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Diffstat (limited to 'gcc/config/i386/x86-64.h')
| -rw-r--r-- | gcc/config/i386/x86-64.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/gcc/config/i386/x86-64.h b/gcc/config/i386/x86-64.h new file mode 100644 index 000000000..b85dab9cd --- /dev/null +++ b/gcc/config/i386/x86-64.h @@ -0,0 +1,106 @@ +/* OS independent definitions for AMD x86-64. + Copyright (C) 2001, 2005, 2007, 2009, 2010, 2011 + Free Software Foundation, Inc. + Contributed by Bo Thorsen <bo@suse.de>. + +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 ASM_COMMENT_START +#define ASM_COMMENT_START "#" + +#undef DBX_REGISTER_NUMBER +#define DBX_REGISTER_NUMBER(n) \ + (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n]) + +/* Output assembler code to FILE to call the profiler. */ +#define NO_PROFILE_COUNTERS 1 + +#undef MCOUNT_NAME +#define MCOUNT_NAME "mcount" + +#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 "int" + +#undef WCHAR_TYPE_SIZE +#define WCHAR_TYPE_SIZE 32 + +#undef ASM_SPEC +#define ASM_SPEC "%{m32:--32} %{m64:--64}" + +#undef ASM_OUTPUT_ALIGNED_BSS +#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ + x86_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) + +#undef ASM_OUTPUT_ALIGNED_COMMON +#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ + x86_elf_aligned_common (FILE, NAME, SIZE, ALIGN); + +/* This is used to align code labels according to Intel recommendations. */ + +#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN +#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ + do { \ + if ((LOG) != 0) { \ + if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ + else { \ + fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ + /* Make sure that we have at least 8 byte alignment if > 8 byte \ + alignment is preferred. */ \ + if ((LOG) > 3 \ + && (1 << (LOG)) > ((MAX_SKIP) + 1) \ + && (MAX_SKIP) >= 7) \ + fputs ("\t.p2align 3\n", (FILE)); \ + } \ + } \ + } while (0) +#undef ASM_OUTPUT_MAX_SKIP_PAD +#define ASM_OUTPUT_MAX_SKIP_PAD(FILE, LOG, MAX_SKIP) \ + if ((LOG) != 0) \ + { \ + if ((MAX_SKIP) == 0) \ + fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ + else \ + fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ + } +#endif + + +/* i386 System V Release 4 uses DWARF debugging info. + x86-64 ABI specifies DWARF2. */ + +#define DWARF2_DEBUGGING_INFO 1 +#define DWARF2_UNWIND_INFO 1 + +#undef PREFERRED_DEBUGGING_TYPE +#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG + +#undef TARGET_ASM_SELECT_SECTION +#define TARGET_ASM_SELECT_SECTION x86_64_elf_select_section + +#undef TARGET_ASM_UNIQUE_SECTION +#define TARGET_ASM_UNIQUE_SECTION x86_64_elf_unique_section |