external/bsd/elftoolchain/dist/libdwarf/libdwarf_error.c

   1 /*      $NetBSD: libdwarf_error.c,v 1.2 2014/03/09 16:58:04 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 1.2 2014/03/09 16:58:04 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 }