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.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <stdarg.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <dlfcn.h>
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#include <dlldr.h>
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extern int _dl_numso;
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extern DL_SODATA *_dl_sotable;
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void *
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_dl_sym (void *handle, const char *symbol, void *who)
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{
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void *rt_function;
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if ((int) handle < 0 || (int) handle >= _dl_numso || _dl_sotable == NULL)
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{
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errno = EINVAL;
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return NULL;
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}
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switch (_dl_sotable[(int) handle].type)
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{
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case DL_UNIX_SYSCALL:
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rt_function = (void *) __loadx (DL_UNIX_SYSCALL, (void *) symbol);
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break;
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case DL_GETSYM:
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rt_function = (void *) __loadx (DL_GETSYM, (void *) symbol,
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_dl_sotable[(int) handle].index,
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_dl_sotable[(int) handle].dataorg);
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break;
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default:
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errno = EINVAL;
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return NULL;
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}
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return rt_function;
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}
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