Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/i386/linux64.h @ 55:77e2b8dfacca gcc-4.4.5
update it from 4.4.3 to 4.5.0
author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
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date | Fri, 12 Feb 2010 23:39:51 +0900 |
parents | a06113de4d67 |
children | b7f97abdc517 |
rev | line source |
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0 | 1 /* Definitions for AMD x86-64 running Linux-based GNU systems with ELF format. |
2 Copyright (C) 2001, 2002, 2004, 2005, 2006, 2007, 2008, 2009 | |
3 Free Software Foundation, Inc. | |
4 Contributed by Jan Hubicka <jh@suse.cz>, based on linux.h. | |
5 | |
6 This file is part of GCC. | |
7 | |
8 GCC is free software; you can redistribute it and/or modify | |
9 it under the terms of the GNU General Public License as published by | |
10 the Free Software Foundation; either version 3, or (at your option) | |
11 any later version. | |
12 | |
13 GCC is distributed in the hope that it will be useful, | |
14 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 GNU General Public License for more details. | |
17 | |
18 Under Section 7 of GPL version 3, you are granted additional | |
19 permissions described in the GCC Runtime Library Exception, version | |
20 3.1, as published by the Free Software Foundation. | |
21 | |
22 You should have received a copy of the GNU General Public License and | |
23 a copy of the GCC Runtime Library Exception along with this program; | |
24 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
25 <http://www.gnu.org/licenses/>. */ | |
26 | |
27 #if TARGET_64BIT_DEFAULT | |
28 #define TARGET_VERSION fprintf (stderr, " (x86-64 Linux/ELF)"); | |
29 #else | |
30 #define TARGET_VERSION fprintf (stderr, " (i386 Linux/ELF)"); | |
31 #endif | |
32 | |
33 #define TARGET_OS_CPP_BUILTINS() \ | |
34 do \ | |
35 { \ | |
36 LINUX_TARGET_OS_CPP_BUILTINS(); \ | |
37 } \ | |
38 while (0) | |
39 | |
40 #undef CPP_SPEC | |
41 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}" | |
42 | |
43 /* The svr4 ABI for the i386 says that records and unions are returned | |
44 in memory. In the 64bit compilation we will turn this flag off in | |
45 override_options, as we never do pcc_struct_return scheme on this target. */ | |
46 #undef DEFAULT_PCC_STRUCT_RETURN | |
47 #define DEFAULT_PCC_STRUCT_RETURN 1 | |
48 | |
49 /* We arrange for the whole %fs segment to map the tls area. */ | |
50 #undef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT | |
51 #define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT MASK_TLS_DIRECT_SEG_REFS | |
52 | |
53 /* Provide a LINK_SPEC. Here we provide support for the special GCC | |
54 options -static and -shared, which allow us to link things in one | |
55 of these three modes by applying the appropriate combinations of | |
56 options at link-time. | |
57 | |
58 When the -shared link option is used a final link is not being | |
59 done. */ | |
60 | |
61 #define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2" | |
62 #define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2" | |
63 | |
64 #undef ASM_SPEC | |
65 #define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} \ | |
66 %{Wa,*:%*} %{m32:--32} %{m64:--64} \ | |
67 %{!mno-sse2avx:%{mavx:-msse2avx}} %{msse2avx:%{!mavx:-msse2avx}}" | |
68 | |
69 #if TARGET_64BIT_DEFAULT | |
70 #define SPEC_32 "m32" | |
71 #define SPEC_64 "!m32" | |
72 #else | |
73 #define SPEC_32 "!m64" | |
74 #define SPEC_64 "m64" | |
75 #endif | |
76 | |
77 #undef LINK_SPEC | |
78 #define LINK_SPEC "%{" SPEC_64 ":-m elf_x86_64} %{" SPEC_32 ":-m elf_i386} \ | |
79 %{shared:-shared} \ | |
80 %{!shared: \ | |
81 %{!static: \ | |
82 %{rdynamic:-export-dynamic} \ | |
83 %{" SPEC_32 ":%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "}} \ | |
84 %{" SPEC_64 ":%{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}}} \ | |
85 %{static:-static}}" | |
86 | |
87 /* Similar to standard Linux, but adding -ffast-math support. */ | |
88 #undef ENDFILE_SPEC | |
89 #define ENDFILE_SPEC \ | |
90 "%{ffast-math|funsafe-math-optimizations:crtfastmath.o%s} \ | |
91 %{mpc32:crtprec32.o%s} \ | |
92 %{mpc64:crtprec64.o%s} \ | |
93 %{mpc80:crtprec80.o%s} \ | |
94 %{shared|pie:crtendS.o%s;:crtend.o%s} crtn.o%s" | |
95 | |
96 #if TARGET_64BIT_DEFAULT | |
97 #define MULTILIB_DEFAULTS { "m64" } | |
98 #else | |
99 #define MULTILIB_DEFAULTS { "m32" } | |
100 #endif | |
101 | |
102 /* Put all *tf routines in libgcc. */ | |
103 #undef LIBGCC2_HAS_TF_MODE | |
104 #define LIBGCC2_HAS_TF_MODE 1 | |
105 #define LIBGCC2_TF_CEXT q | |
106 #define TF_SIZE 113 | |
107 | |
108 #undef NEED_INDICATE_EXEC_STACK | |
109 #define NEED_INDICATE_EXEC_STACK 1 | |
110 | |
111 #define MD_UNWIND_SUPPORT "config/i386/linux-unwind.h" | |
112 | |
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
113 /* The stack pointer needs to be moved while checking the stack. */ |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
114 #define STACK_CHECK_MOVING_SP 1 |
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
115 |
0 | 116 /* This macro may be overridden in i386/k*bsd-gnu.h. */ |
117 #define REG_NAME(reg) reg | |
118 | |
119 #ifdef TARGET_LIBC_PROVIDES_SSP | |
120 /* i386 glibc provides __stack_chk_guard in %gs:0x14, | |
121 x86_64 glibc provides it in %fs:0x28. */ | |
122 #define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? 0x28 : 0x14) | |
123 #endif |