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
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING.  If not, write to
19the Free Software Foundation, 51 Franklin Street, Fifth Floor,
20Boston, 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