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comparison gcc/config/s390/linux.h @ 0:a06113de4d67

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first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children f6334be47118
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-1:000000000000 0:a06113de4d67
1 /* Definitions for Linux for S/390.
2 Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007
3 Free Software Foundation, Inc.
4 Contributed by Hartmut Penner (hpenner@de.ibm.com) and
5 Ulrich Weigand (uweigand@de.ibm.com).
6
7 This file is part of GCC.
8
9 GCC is free software; you can redistribute it and/or modify it under
10 the terms of the GNU General Public License as published by the Free
11 Software Foundation; either version 3, or (at your option) any later
12 version.
13
14 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
15 WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with GCC; see the file COPYING3. If not see
21 <http://www.gnu.org/licenses/>. */
22
23 #ifndef _LINUX_H
24 #define _LINUX_H
25
26 /* Target specific version string. */
27
28 #ifdef DEFAULT_TARGET_64BIT
29 #undef TARGET_VERSION
30 #define TARGET_VERSION fprintf (stderr, " (Linux for zSeries)");
31 #else
32 #undef TARGET_VERSION
33 #define TARGET_VERSION fprintf (stderr, " (Linux for S/390)");
34 #endif
35
36
37 /* Target specific type definitions. */
38
39 /* ??? Do we really want long as size_t on 31-bit? */
40 #undef SIZE_TYPE
41 #define SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "long unsigned int")
42 #undef PTRDIFF_TYPE
43 #define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
44
45 #undef WCHAR_TYPE
46 #define WCHAR_TYPE "int"
47 #undef WCHAR_TYPE_SIZE
48 #define WCHAR_TYPE_SIZE 32
49
50
51 /* Target specific preprocessor settings. */
52
53 #define TARGET_OS_CPP_BUILTINS() \
54 do \
55 { \
56 LINUX_TARGET_OS_CPP_BUILTINS(); \
57 } \
58 while (0)
59
60
61 /* Target specific assembler settings. */
62
63 #undef ASM_SPEC
64 #define ASM_SPEC "%{m31&m64}%{mesa&mzarch}%{march=*}"
65
66
67 /* Target specific linker settings. */
68
69 #ifdef DEFAULT_TARGET_64BIT
70 #define MULTILIB_DEFAULTS { "m64" }
71 #else
72 #define MULTILIB_DEFAULTS { "m31" }
73 #endif
74
75 #define GLIBC_DYNAMIC_LINKER32 "/lib/ld.so.1"
76 #define GLIBC_DYNAMIC_LINKER64 "/lib/ld64.so.1"
77
78 #undef LINK_SPEC
79 #define LINK_SPEC \
80 "%{m31:-m elf_s390}%{m64:-m elf64_s390} \
81 %{shared:-shared} \
82 %{!shared: \
83 %{static:-static} \
84 %{!static: \
85 %{rdynamic:-export-dynamic} \
86 %{!dynamic-linker: \
87 %{m31:-dynamic-linker " LINUX_DYNAMIC_LINKER32 "} \
88 %{m64:-dynamic-linker " LINUX_DYNAMIC_LINKER64 "}}}}"
89
90 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
91
92 #define TARGET_ASM_FILE_END file_end_indicate_exec_stack
93
94 #define MD_UNWIND_SUPPORT "config/s390/linux-unwind.h"
95
96 #ifdef TARGET_LIBC_PROVIDES_SSP
97 /* s390 glibc provides __stack_chk_guard in 0x14(tp),
98 s390x glibc provides it at 0x28(tp). */
99 #define TARGET_THREAD_SSP_OFFSET (TARGET_64BIT ? 0x28 : 0x14)
100 #endif
101
102 /* Define if long doubles should be mangled as 'g'. */
103 #define TARGET_ALTERNATE_LONG_DOUBLE_MANGLING
104
105 #endif