1*0a6a1f1dSLionel Sambuc /* $NetBSD: dwarf_seterror.c,v 1.2 2014/03/09 16:58:04 christos Exp $ */
2*0a6a1f1dSLionel Sambuc
3*0a6a1f1dSLionel Sambuc /*-
4*0a6a1f1dSLionel Sambuc * Copyright (c) 2010 Joseph Koshy
5*0a6a1f1dSLionel Sambuc * All rights reserved.
6*0a6a1f1dSLionel Sambuc *
7*0a6a1f1dSLionel Sambuc * Redistribution and use in source and binary forms, with or without
8*0a6a1f1dSLionel Sambuc * modification, are permitted provided that the following conditions
9*0a6a1f1dSLionel Sambuc * are met:
10*0a6a1f1dSLionel Sambuc * 1. Redistributions of source code must retain the above copyright
11*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer.
12*0a6a1f1dSLionel Sambuc * 2. Redistributions in binary form must reproduce the above copyright
13*0a6a1f1dSLionel Sambuc * notice, this list of conditions and the following disclaimer in the
14*0a6a1f1dSLionel Sambuc * documentation and/or other materials provided with the distribution.
15*0a6a1f1dSLionel Sambuc *
16*0a6a1f1dSLionel Sambuc * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17*0a6a1f1dSLionel Sambuc * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*0a6a1f1dSLionel Sambuc * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*0a6a1f1dSLionel Sambuc * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*0a6a1f1dSLionel Sambuc * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*0a6a1f1dSLionel Sambuc * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*0a6a1f1dSLionel Sambuc * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*0a6a1f1dSLionel Sambuc * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*0a6a1f1dSLionel Sambuc * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*0a6a1f1dSLionel Sambuc * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*0a6a1f1dSLionel Sambuc * SUCH DAMAGE.
27*0a6a1f1dSLionel Sambuc */
28*0a6a1f1dSLionel Sambuc
29*0a6a1f1dSLionel Sambuc #include "_libdwarf.h"
30*0a6a1f1dSLionel Sambuc
31*0a6a1f1dSLionel Sambuc __RCSID("$NetBSD: dwarf_seterror.c,v 1.2 2014/03/09 16:58:04 christos Exp $");
32*0a6a1f1dSLionel Sambuc ELFTC_VCSID("Id: dwarf_seterror.c 2075 2011-10-27 03:47:28Z jkoshy ");
33*0a6a1f1dSLionel Sambuc
34*0a6a1f1dSLionel Sambuc #define _SET_FIELD(R, F, V) \
35*0a6a1f1dSLionel Sambuc do { \
36*0a6a1f1dSLionel Sambuc (R) = (F); \
37*0a6a1f1dSLionel Sambuc (F) = (V); \
38*0a6a1f1dSLionel Sambuc } while (0)
39*0a6a1f1dSLionel Sambuc
40*0a6a1f1dSLionel Sambuc #define SET_FIELD(D, R, F) \
41*0a6a1f1dSLionel Sambuc do { \
42*0a6a1f1dSLionel Sambuc if (D) \
43*0a6a1f1dSLionel Sambuc _SET_FIELD(R, (D)->dbg_##F, F); \
44*0a6a1f1dSLionel Sambuc else \
45*0a6a1f1dSLionel Sambuc _SET_FIELD(R, _libdwarf.F, F); \
46*0a6a1f1dSLionel Sambuc } while (0)
47*0a6a1f1dSLionel Sambuc
48*0a6a1f1dSLionel Sambuc Dwarf_Handler
dwarf_seterrhand(Dwarf_Debug dbg,Dwarf_Handler errhand)49*0a6a1f1dSLionel Sambuc dwarf_seterrhand(Dwarf_Debug dbg, Dwarf_Handler errhand)
50*0a6a1f1dSLionel Sambuc {
51*0a6a1f1dSLionel Sambuc Dwarf_Handler oldhandler;
52*0a6a1f1dSLionel Sambuc
53*0a6a1f1dSLionel Sambuc SET_FIELD(dbg, oldhandler, errhand);
54*0a6a1f1dSLionel Sambuc
55*0a6a1f1dSLionel Sambuc return (oldhandler);
56*0a6a1f1dSLionel Sambuc }
57*0a6a1f1dSLionel Sambuc
58*0a6a1f1dSLionel Sambuc Dwarf_Ptr
dwarf_seterrarg(Dwarf_Debug dbg,Dwarf_Ptr errarg)59*0a6a1f1dSLionel Sambuc dwarf_seterrarg(Dwarf_Debug dbg, Dwarf_Ptr errarg)
60*0a6a1f1dSLionel Sambuc {
61*0a6a1f1dSLionel Sambuc Dwarf_Ptr oldarg;
62*0a6a1f1dSLionel Sambuc
63*0a6a1f1dSLionel Sambuc SET_FIELD(dbg, oldarg, errarg);
64*0a6a1f1dSLionel Sambuc
65*0a6a1f1dSLionel Sambuc return (oldarg);
66*0a6a1f1dSLionel Sambuc }
67