1 /* OS independent definitions for AMD x86-64. 2 Copyright (C) 2001, 2005 Free Software Foundation, Inc. 3 Contributed by Bo Thorsen <bo@suse.de>. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2, or (at your option) 10 any later version. 11 12 GCC is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING. If not, write to 19 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 20 Boston, MA 02110-1301, USA. */ 21 22 /* $FreeBSD$ */ 23 24 #undef ASM_COMMENT_START 25 #define ASM_COMMENT_START "#" 26 27 #undef DBX_REGISTER_NUMBER 28 #define DBX_REGISTER_NUMBER(n) \ 29 (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n]) 30 31 /* Output assembler code to FILE to call the profiler. */ 32 #define NO_PROFILE_COUNTERS 1 33 34 #undef MCOUNT_NAME 35 #define MCOUNT_NAME "mcount" 36 37 #undef SIZE_TYPE 38 #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int") 39 40 #undef PTRDIFF_TYPE 41 #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int") 42 43 #undef WCHAR_TYPE 44 #define WCHAR_TYPE "int" 45 46 #undef WCHAR_TYPE_SIZE 47 #define WCHAR_TYPE_SIZE 32 48 49 #undef CC1_SPEC 50 #define CC1_SPEC "%(cc1_cpu) %{profile:-p}" 51 52 #undef ASM_SPEC 53 #define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} \ 54 %{Wa,*:%*} %{m32:--32} %{m64:--64}" 55 56 #undef ASM_OUTPUT_ALIGNED_BSS 57 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ 58 x86_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) 59 60 #undef ASM_OUTPUT_ALIGNED_COMMON 61 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ 62 x86_elf_aligned_common (FILE, NAME, SIZE, ALIGN); 63 64 /* This is used to align code labels according to Intel recommendations. */ 65 66 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN 67 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ 68 do { \ 69 if ((LOG) != 0) { \ 70 if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ 71 else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ 72 } \ 73 } while (0) 74 #endif 75 76 77 /* i386 System V Release 4 uses DWARF debugging info. 78 x86-64 ABI specifies DWARF2. */ 79 80 #define DWARF2_DEBUGGING_INFO 1 81 #define DWARF2_UNWIND_INFO 1 82 83 #undef PREFERRED_DEBUGGING_TYPE 84 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG 85 86 #undef TARGET_ASM_SELECT_SECTION 87 #define TARGET_ASM_SELECT_SECTION x86_64_elf_select_section 88 89 #undef TARGET_ASM_UNIQUE_SECTION 90 #define TARGET_ASM_UNIQUE_SECTION x86_64_elf_unique_section 91