mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-15 04:20:28 +08:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/* Copyright (C) 2001 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <sys/types.h>
|
|
#include <errno.h>
|
|
#include <dlfcn.h>
|
|
#include <dlldr.h>
|
|
|
|
extern int _dl_numso;
|
|
extern DL_SODATA *_dl_sotable;
|
|
|
|
void *
|
|
_dl_sym (void *handle, const char *symbol, void *who)
|
|
{
|
|
void *rt_function;
|
|
|
|
if ((int) handle < 0 || (int) handle >= _dl_numso || _dl_sotable == NULL)
|
|
{
|
|
errno = EINVAL;
|
|
return NULL;
|
|
}
|
|
|
|
switch (_dl_sotable[(int) handle].type)
|
|
{
|
|
case DL_UNIX_SYSCALL:
|
|
rt_function = (void *) __loadx (DL_UNIX_SYSCALL, (void *) symbol);
|
|
break;
|
|
|
|
case DL_GETSYM:
|
|
rt_function = (void *) __loadx (DL_GETSYM, (void *) symbol,
|
|
_dl_sotable[(int) handle].index,
|
|
_dl_sotable[(int) handle].dataorg);
|
|
break;
|
|
|
|
default:
|
|
errno = EINVAL;
|
|
return NULL;
|
|
}
|
|
|
|
return rt_function;
|
|
}
|