mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 08:40:07 +00:00
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/* Initialization code run first thing by the ELF startup code. For SH.
|
|
Copyright (C) 1995-2012 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <ctype.h>
|
|
#include <unistd.h>
|
|
|
|
extern void __libc_init (int, char **, char **);
|
|
#ifdef USE_NONOPTION_FLAGS
|
|
extern void __getopt_clean_environment (char **);
|
|
#endif
|
|
extern void __libc_global_ctors (void);
|
|
|
|
int __libc_multiple_libcs attribute_hidden = 1;
|
|
|
|
static void
|
|
init (int *data)
|
|
{
|
|
int argc = *data;
|
|
char **argv = (void *) (data + 1);
|
|
char **envp = &argv[argc + 1];
|
|
|
|
__environ = envp;
|
|
__libc_init (argc, argv, envp);
|
|
|
|
#ifdef USE_NONOPTION_FLAGS
|
|
/* This is a hack to make the special getopt in GNU libc working. */
|
|
__getopt_clean_environment (envp);
|
|
#endif
|
|
|
|
/* Initialize ctype data. */
|
|
__ctype_init ();
|
|
}
|
|
|
|
#ifdef SHARED
|
|
/* This function is called to initialize the shared C library.
|
|
It is called just before the user _start code from sh/sh[34]/start.S,
|
|
with the stack set up as that code gets it. */
|
|
|
|
/* NOTE! The linker notices the magical name `_init' and sets the DT_INIT
|
|
pointer in the dynamic section based solely on that. It is convention
|
|
for this function to be in the `.init' section, but the symbol name is
|
|
the only thing that really matters!! */
|
|
/*void _init (int argc, ...) __attribute__ ((unused, section (".init")));*/
|
|
|
|
void
|
|
_init (int argc, ...)
|
|
{
|
|
init (&argc);
|
|
|
|
#ifndef NO_CTORS_DTORS_SECTIONS
|
|
__libc_global_ctors ();
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
|
|
void
|
|
__libc_init_first (int argc __attribute__ ((unused)), ...)
|
|
{
|
|
#ifndef SHARED
|
|
init (&argc);
|
|
#endif
|
|
}
|