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/* 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;
}
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