1 /* OS independent definitions for AMD x86-64.
2 Copyright (C) 2001 Free Software Foundation, Inc.
3 Contributed by Bo Thorsen <bo@suse.de>.
5 This file is part of GCC.
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)
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.
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, 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
24 #undef ASM_COMMENT_START
25 #define ASM_COMMENT_START "#"
27 #undef DBX_REGISTER_NUMBER
28 #define DBX_REGISTER_NUMBER(n) \
29 (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
31 /* Output assembler code to FILE to call the profiler. */
32 #define NO_PROFILE_COUNTERS 1
35 #define MCOUNT_NAME "mcount"
38 #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
41 #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
44 #define WCHAR_TYPE "int"
46 #undef WCHAR_TYPE_SIZE
47 #define WCHAR_TYPE_SIZE 32
50 #define CC1_SPEC "%(cc1_cpu) %{profile:-p}"
53 #define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} \
54 %{Wa,*:%*} %{m32:--32}"
56 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
57 asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
59 /* This is used to align code labels according to Intel recommendations. */
62 /* i386 System V Release 4 uses DWARF debugging info.
63 x86-64 ABI specifies DWARF2. */
65 #define DWARF2_DEBUGGING_INFO 1
66 #define DWARF2_UNWIND_INFO 1
67 /* Incorrectly autodetected in cross compilation. */
68 #undef HAVE_AS_DWARF2_DEBUG_LINE
69 #define HAVE_AS_DWARF2_DEBUG_LINE 1
71 #undef PREFERRED_DEBUGGING_TYPE
72 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG