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. */
22 #undef ASM_COMMENT_START
23 #define ASM_COMMENT_START "#"
25 #undef DBX_REGISTER_NUMBER
26 #define DBX_REGISTER_NUMBER(n) \
27 (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
29 /* Output assembler code to FILE to call the profiler. */
30 #define NO_PROFILE_COUNTERS 1
33 #define MCOUNT_NAME "mcount"
36 #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
39 #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
42 #define WCHAR_TYPE "int"
44 #undef WCHAR_TYPE_SIZE
45 #define WCHAR_TYPE_SIZE 32
48 #define CC1_SPEC "%(cc1_cpu) %{profile:-p}"
51 #define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} \
52 %{Wa,*:%*} %{m32:--32}"
54 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
55 asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
57 /* This is used to align code labels according to Intel recommendations. */
59 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
62 if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
63 else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
68 /* i386 System V Release 4 uses DWARF debugging info.
69 x86-64 ABI specifies DWARF2. */
71 #define DWARF2_DEBUGGING_INFO 1
72 #define DWARF2_UNWIND_INFO 1
73 /* Incorrectly autodetected in cross compilation. */
74 #undef HAVE_AS_DWARF2_DEBUG_LINE
75 #define HAVE_AS_DWARF2_DEBUG_LINE 1
77 #undef PREFERRED_DEBUGGING_TYPE
78 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG