1 /* Error handling for runtime dynamic linker.
2 Copyright (C) 1995 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 Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 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 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If
17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
18 Cambridge, MA 02139, USA. */
24 static jmp_buf catch_env;
25 static const char *signalled_errstring, *signalled_objname;
28 _dl_signal_error (int errcode,
30 const char *errstring)
32 signalled_errstring = errstring ?: "DYNAMIC LINKER BUG!!!";
33 signalled_objname = objname;
34 longjmp (catch_env, errcode ?: -1);
38 _dl_catch_error (const char **errstring,
40 void (*operate) (void))
44 signalled_errstring = signalled_objname = NULL;
45 errcode = setjmp (catch_env);
49 *errstring = *objname = NULL;
53 /* We get here only if we longjmp'd out of OPERATE. */
54 *errstring = signalled_errstring;
55 *objname = signalled_objname;
56 return errcode == -1 ? 0 : errcode;