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comparison gcc/config/mips/openbsd.h @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children 77e2b8dfacca
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-1:000000000000 0:a06113de4d67
1 /* Configuration for a MIPS ABI32 OpenBSD target.
2 Copyright (C) 1999, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
3
4 This file is part of GCC.
5
6 GCC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
9 any later version.
10
11 GCC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
19
20 /* Definitions needed for OpenBSD, to avoid picking mips 'defaults'. */
21
22 /* GAS must know this. */
23 #undef SUBTARGET_ASM_SPEC
24 #define SUBTARGET_ASM_SPEC "%{fPIC|fPIE:-KPIC}"
25
26 #define AS_NEEDS_DASH_FOR_PIPED_INPUT
27
28 /* CPP specific OpenBSD specs. */
29 #undef SUBTARGET_CPP_SPEC
30 #define SUBTARGET_CPP_SPEC OBSD_CPP_SPEC
31
32 /* Needed for ELF (inspired by netbsd-elf). */
33 #undef LOCAL_LABEL_PREFIX
34 #define LOCAL_LABEL_PREFIX "."
35
36 /* The profiling lib spec here is not really correct but we leave
37 it as it is until we have some kind of profiling working. */
38 #define LIB_SPEC OBSD_LIB_SPEC
39
40 /* mips assembler uses .set for arcane purposes. __attribute__((alias))
41 and friends won't work until we get recent binutils with .weakext
42 support. */
43 #undef SET_ASM_OP
44
45 #define TARGET_OS_CPP_BUILTINS() \
46 do { \
47 builtin_define ("__unix__"); \
48 builtin_define ("__SYSTYPE_BSD__"); \
49 builtin_define ("__NO_LEADING_UNDERSCORES__"); \
50 builtin_define ("__GP_SUPPORT__"); \
51 builtin_define ("__OpenBSD__"); \
52 builtin_assert ("system=unix"); \
53 builtin_assert ("system=OpenBSD"); \
54 } while (0)
55
56 /* Layout of source language data types. */
57
58 /* This must agree with <machine/ansi.h>. */
59 #undef SIZE_TYPE
60 #define SIZE_TYPE "unsigned int"
61
62 #undef PTRDIFF_TYPE
63 #define PTRDIFF_TYPE "int"
64
65 #undef WCHAR_TYPE
66 #define WCHAR_TYPE "int"
67
68 #undef WCHAR_TYPE_SIZE
69 #define WCHAR_TYPE_SIZE 32
70
71 /* Controlling the compilation driver. */
72
73 /* LINK_SPEC appropriate for OpenBSD: support for GCC options
74 -static, -assert, and -nostdlib. Dynamic loader control. */
75 #undef LINK_SPEC
76 #define LINK_SPEC \
77 "%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} \
78 %{bestGnum} %{shared} %{non_shared} \
79 %{call_shared} %{no_archive} %{exact_version} \
80 %{!shared: %{!non_shared: %{!call_shared: -non_shared}}} \
81 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.so} \
82 %{!nostdlib:%{!r*:%{!e*:-e __start}}} -dc -dp \
83 %{static:-Bstatic} %{!static:-Bdynamic} %{assert*}"
84
85 /* -G is incompatible with -KPIC which is the default, so only allow objects
86 in the small data section if the user explicitly asks for it. */
87 #undef MIPS_DEFAULT_GVALUE
88 #define MIPS_DEFAULT_GVALUE 0
89
90
91 /* Since gas and gld are standard on OpenBSD, we don't need these. */
92 #undef ASM_FINAL_SPEC
93 #undef STARTFILE_SPEC
94
95 /* Switch into a generic section. */
96 #undef TARGET_ASM_NAMED_SECTION
97 #define TARGET_ASM_NAMED_SECTION default_elf_asm_named_section
98
99 /* MIPS specific debugging info */
100 #define MIPS_DEBUGGING_INFO 1