x86-64.h revision 117412 
1/* OS independent definitions for AMD x86-64.
2   Copyright (C) 2001 Free Software Foundation, Inc.
3   Contributed by Bo Thorsen <bo@suse.de>.
4
5This file is part of GNU CC.
6
7GNU CC 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
12GNU CC 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 GNU CC; see the file COPYING.  If not, write to
19the Free Software Foundation, 59 Temple Place - Suite 330,
20Boston, MA 02111-1307, USA.  */
21
22/* $FreeBSD: head/contrib/gcc/config/i386/x86-64.h 117412 2003-07-11 04:43:01Z kan $ */
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}"
55
56/* A C statement (sans semicolon) to output to the stdio stream
57   FILE the assembler definition of uninitialized global DECL named
58   NAME whose size is SIZE bytes and alignment is ALIGN bytes.
59   Try to use asm_output_aligned_bss to implement this macro.  */
60
61#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
62  asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
63
64/* A C statement to output to the stdio stream FILE an assembler
65   command to advance the location counter to a multiple of 1<<LOG
66   bytes if it is within MAX_SKIP bytes.
67
68   This is used to align code labels according to Intel recommendations.  */
69
70
71/* i386 System V Release 4 uses DWARF debugging info.
72   x86-64 ABI specifies DWARF2.  */
73
74#undef DWARF_DEBUGGING_INFO
75#define DWARF2_DEBUGGING_INFO 1
76#define DWARF2_UNWIND_INFO 1
77/* Incorrectly autodetected in cross compilation.  */
78#undef HAVE_AS_DWARF2_DEBUG_LINE
79#define HAVE_AS_DWARF2_DEBUG_LINE
80
81#undef PREFERRED_DEBUGGING_TYPE
82#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
83