1 /* $NetBSD: libdwarf_error.c,v 1.3 2016/02/20 02:43:41 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 Joseph Koshy 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include "_libdwarf.h" 30 31 __RCSID("$NetBSD: libdwarf_error.c,v 1.3 2016/02/20 02:43:41 christos Exp $"); 32 ELFTC_VCSID("Id: libdwarf_error.c 2070 2011-10-27 03:05:32Z jkoshy "); 33 34 void 35 _dwarf_set_error(Dwarf_Debug dbg, Dwarf_Error *error, int errorcode, 36 int elferrorcode, const char *functionname, int linenumber) 37 { 38 Dwarf_Error de; 39 40 de.err_error = errorcode; 41 de.err_elferror = elferrorcode; 42 de.err_func = functionname; 43 de.err_line = linenumber; 44 de.err_msg[0] = '\0'; 45 46 /* 47 * If the user supplied a destination for the error, copy the 48 * error descriptor over and return. Otherwise, if the debug 49 * context is known and has an error handler, invoke that. 50 * Otherwise, if a 'default' error handler was registered, 51 * invoke it. 52 */ 53 if (error) 54 *error = de; 55 else if (dbg && dbg->dbg_errhand) 56 dbg->dbg_errhand(de, dbg->dbg_errarg); 57 else if (_libdwarf.errhand) 58 _libdwarf.errhand(de, _libdwarf.errarg); 59 60 /* No handler found, do nothing. */ 61 } 62