* stdlib/tst-makecontext.c (othervar): New variable.
[glibc/pb-stable.git] / csu / init-first.c
blobfa21274c734565ed97948047f1374a7a6b76e773
1 /* Initialization code run first thing by the ELF startup code. Stub version.
2 Copyright (C) 1995, 1997, 1998, 2001, 2002 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <unistd.h>
21 #include <sys/types.h>
23 /* Set nonzero if we have to be prepared for more then one libc being
24 used in the process. Safe assumption if initializer never runs. */
25 int __libc_multiple_libcs attribute_hidden = 1;
27 extern void __libc_init (int, char **, char **);
28 #ifdef USE_NONOPTION_FLAGS
29 extern void __getopt_clean_environment (char **);
30 #endif
32 #ifdef SHARED
33 void
34 __libc_init_first (void)
37 #endif
39 #ifdef SHARED
40 /* NOTE! The linker notices the magical name `_init' and sets the DT_INIT
41 pointer in the dynamic section based solely on that. It is convention
42 for this function to be in the `.init' section, but the symbol name is
43 the only thing that really matters!! */
44 void _init
45 #else
46 void __libc_init_first
47 #endif
48 (int argc, char *arg0, ...)
50 char **argv = &arg0, **envp = &argv[argc + 1];
52 __environ = envp;
53 __libc_init (argc, argv, envp);
55 #ifdef USE_NONOPTION_FLAGS
56 /* This is a hack to make the special getopt in GNU libc working. */
57 __getopt_clean_environment (envp);
58 #endif