| /* OS independent definitions for AMD x86-64. |
| Copyright (C) 2001-2015 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_LP64 ? "long unsigned int" : "unsigned int") |
| |
| #undef PTRDIFF_TYPE |
| #define PTRDIFF_TYPE (TARGET_LP64 ? "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 "%{m16|m32:--32} %{m64:--64} %{mx32:--x32}" |
| |
| #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 |
| |
| #undef TARGET_SECTION_TYPE_FLAGS |
| #define TARGET_SECTION_TYPE_FLAGS x86_64_elf_section_type_flags |