0
|
1 /* OS independent definitions for AMD x86-64.
|
|
2 Copyright (C) 2001, 2005, 2007, 2009 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 3, 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 Under Section 7 of GPL version 3, you are granted additional
|
|
18 permissions described in the GCC Runtime Library Exception, version
|
|
19 3.1, as published by the Free Software Foundation.
|
|
20
|
|
21 You should have received a copy of the GNU General Public License and
|
|
22 a copy of the GCC Runtime Library Exception along with this program;
|
|
23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
24 <http://www.gnu.org/licenses/>. */
|
|
25
|
|
26 #undef ASM_COMMENT_START
|
|
27 #define ASM_COMMENT_START "#"
|
|
28
|
|
29 #undef DBX_REGISTER_NUMBER
|
|
30 #define DBX_REGISTER_NUMBER(n) \
|
|
31 (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
|
|
32
|
|
33 /* Output assembler code to FILE to call the profiler. */
|
|
34 #define NO_PROFILE_COUNTERS 1
|
|
35
|
|
36 #undef MCOUNT_NAME
|
|
37 #define MCOUNT_NAME "mcount"
|
|
38
|
|
39 #undef SIZE_TYPE
|
|
40 #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
|
|
41
|
|
42 #undef PTRDIFF_TYPE
|
|
43 #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
|
|
44
|
|
45 #undef WCHAR_TYPE
|
|
46 #define WCHAR_TYPE "int"
|
|
47
|
|
48 #undef WCHAR_TYPE_SIZE
|
|
49 #define WCHAR_TYPE_SIZE 32
|
|
50
|
|
51 #undef CC1_SPEC
|
|
52 #define CC1_SPEC "%(cc1_cpu) %{profile:-p}"
|
|
53
|
|
54 #undef ASM_SPEC
|
|
55 #define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} \
|
|
56 %{Wa,*:%*} %{m32:--32} %{m64:--64}"
|
|
57
|
|
58 #undef ASM_OUTPUT_ALIGNED_BSS
|
|
59 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
|
|
60 x86_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
|
|
61
|
|
62 #undef ASM_OUTPUT_ALIGNED_COMMON
|
|
63 #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \
|
|
64 x86_elf_aligned_common (FILE, NAME, SIZE, ALIGN);
|
|
65
|
|
66 /* This is used to align code labels according to Intel recommendations. */
|
|
67
|
|
68 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
|
|
69 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
|
|
70 do { \
|
|
71 if ((LOG) != 0) { \
|
|
72 if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
|
|
73 else { \
|
|
74 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
|
|
75 /* Make sure that we have at least 8 byte alignment if > 8 byte \
|
|
76 alignment is preferred. */ \
|
|
77 if ((LOG) > 3 && (1 << (LOG)) > ((MAX_SKIP) + 1)) \
|
|
78 fprintf ((FILE), "\t.p2align 3\n"); \
|
|
79 } \
|
|
80 } \
|
|
81 } while (0)
|
|
82 #endif
|
|
83
|
|
84
|
|
85 /* i386 System V Release 4 uses DWARF debugging info.
|
|
86 x86-64 ABI specifies DWARF2. */
|
|
87
|
|
88 #define DWARF2_DEBUGGING_INFO 1
|
|
89 #define DWARF2_UNWIND_INFO 1
|
|
90
|
|
91 #undef PREFERRED_DEBUGGING_TYPE
|
|
92 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
|
|
93
|
|
94 #undef TARGET_ASM_SELECT_SECTION
|
|
95 #define TARGET_ASM_SELECT_SECTION x86_64_elf_select_section
|
|
96
|
|
97 #undef TARGET_ASM_UNIQUE_SECTION
|
|
98 #define TARGET_ASM_UNIQUE_SECTION x86_64_elf_unique_section
|