1 /*-
2 * Copyright (c) 2010 Joseph Koshy
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include "_libdwarf.h"
28
29 ELFTC_VCSID("$Id: libdwarf_error.c 2070 2011-10-27 03:05:32Z jkoshy $");
30
31 void
_dwarf_set_error(Dwarf_Debug dbg,Dwarf_Error * error,int errorcode,int elferrorcode,const char * functionname,int linenumber)32 _dwarf_set_error(Dwarf_Debug dbg, Dwarf_Error *error, int errorcode,
33 int elferrorcode, const char *functionname, int linenumber)
34 {
35 Dwarf_Error de;
36
37 de.err_error = errorcode;
38 de.err_elferror = elferrorcode;
39 de.err_func = functionname;
40 de.err_line = linenumber;
41 de.err_msg[0] = '\0';
42
43 /*
44 * If the user supplied a destination for the error, copy the
45 * error descriptor over and return. Otherwise, if the debug
46 * context is known and has an error handler, invoke that.
47 * Otherwise, if a 'default' error handler was registered,
48 * invoke it.
49 */
50 if (error)
51 *error = de;
52 else if (dbg && dbg->dbg_errhand)
53 dbg->dbg_errhand(de, dbg->dbg_errarg);
54 else if (_libdwarf.errhand)
55 _libdwarf.errhand(de, _libdwarf.errarg);
56
57 /* No handler found, do nothing. */
58 }
59