Mercurial > hg > CbC > CbC_gcc

comparison gcc/config/netbsd-elf.h @ 0:a06113de4d67

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
first commit
author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
parents
children f6334be47118
comparison
equal deleted inserted replaced
-1:000000000000 0:a06113de4d67
1 /* Common configuration file for NetBSD ELF targets.
2 Copyright (C) 2002, 2007 Free Software Foundation, Inc.
3 Contributed by Wasabi Systems, Inc.
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 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
20
21 /* TARGET_OS_CPP_BUILTINS() common to all NetBSD ELF targets. */
22 #define NETBSD_OS_CPP_BUILTINS_ELF() \
23 do \
24 { \
25 NETBSD_OS_CPP_BUILTINS_COMMON(); \
26 } \
27 while (0)
28
29 /* This defines which switch letters take arguments. On NetBSD, most
30 of the normal cases (defined by gcc.c) apply, and we also have -h*
31 and -z* options (for the linker) (coming from SVR4). */
32
33 #undef SWITCH_TAKES_ARG
34 #define SWITCH_TAKES_ARG(CHAR) \
35 (DEFAULT_SWITCH_TAKES_ARG (CHAR) \
36 || (CHAR) == 'h' \
37 || (CHAR) == 'z' \
38 || (CHAR) == 'R')
39
40
41 /* Provide a STARTFILE_SPEC appropriate for NetBSD ELF. Here we
42 provide support for the special GCC option -static. On ELF
43 targets, we also add the crtbegin.o file, which provides part
44 of the support for getting C++ file-scope static objects
45 constructed before entering "main". */
46
47 #define NETBSD_STARTFILE_SPEC \
48 "%{!shared: \
49 %{pg:gcrt0%O%s} \
50 %{!pg: \
51 %{p:gcrt0%O%s} \
52 %{!p:crt0%O%s}}} \
53 %:if-exists(crti%O%s) \
54 %{static:%:if-exists-else(crtbeginT%O%s crtbegin%O%s)} \
55 %{!static: \
56 %{!shared:crtbegin%O%s} %{shared:crtbeginS%O%s}}"
57
58 #undef STARTFILE_SPEC
59 #define STARTFILE_SPEC NETBSD_STARTFILE_SPEC
60
61
62 /* Provide an ENDFILE_SPEC appropriate for NetBSD ELF. Here we
63 add crtend.o, which provides part of the support for getting
64 C++ file-scope static objects deconstructed after exiting "main". */
65
66 #define NETBSD_ENDFILE_SPEC \
67 "%{!shared:crtend%O%s} %{shared:crtendS%O%s} \
68 %:if-exists(crtn%O%s)"
69
70 #undef ENDFILE_SPEC
71 #define ENDFILE_SPEC NETBSD_ENDFILE_SPEC
72
73 /* Provide a LINK_SPEC appropriate for NetBSD ELF. Here we provide
74 support for the special GCC options -assert, -R, -rpath, -shared,
75 -nostdlib, -static, -rdynamic, and -dynamic-linker.
76
77 Target-specific code can use this in conjunction with any other
78 target-specific LINK_SPEC options.
79
80 Target-specific code must provide the %(netbsd_entry_point) spec. */
81
82 #define NETBSD_LINK_SPEC_ELF \
83 "%{assert*} %{R*} %{rpath*} \
84 %{shared:-shared} \
85 %{!shared: \
86 -dc -dp \
87 %{!nostdlib: \
88 %{!r*: \
89 %{!e*:-e %(netbsd_entry_point)}}} \
90 %{!static: \
91 %{rdynamic:-export-dynamic} \
92 %{!dynamic-linker:-dynamic-linker /usr/libexec/ld.elf_so}} \
93 %{static:-static}}"
94
95 /* Use --as-needed -lgcc_s for eh support. */
96 #ifdef HAVE_LD_AS_NEEDED
97 #define USE_LD_AS_NEEDED 1
98 #endif