1*2de3b87aSKai Wang /*-
2*2de3b87aSKai Wang * Copyright (c) 2010 Joseph Koshy
3*2de3b87aSKai Wang * All rights reserved.
4*2de3b87aSKai Wang *
5*2de3b87aSKai Wang * Redistribution and use in source and binary forms, with or without
6*2de3b87aSKai Wang * modification, are permitted provided that the following conditions
7*2de3b87aSKai Wang * are met:
8*2de3b87aSKai Wang * 1. Redistributions of source code must retain the above copyright
9*2de3b87aSKai Wang * notice, this list of conditions and the following disclaimer.
10*2de3b87aSKai Wang * 2. Redistributions in binary form must reproduce the above copyright
11*2de3b87aSKai Wang * notice, this list of conditions and the following disclaimer in the
12*2de3b87aSKai Wang * documentation and/or other materials provided with the distribution.
13*2de3b87aSKai Wang *
14*2de3b87aSKai Wang * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*2de3b87aSKai Wang * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*2de3b87aSKai Wang * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*2de3b87aSKai Wang * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*2de3b87aSKai Wang * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*2de3b87aSKai Wang * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*2de3b87aSKai Wang * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*2de3b87aSKai Wang * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*2de3b87aSKai Wang * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*2de3b87aSKai Wang * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*2de3b87aSKai Wang * SUCH DAMAGE.
25*2de3b87aSKai Wang */
26*2de3b87aSKai Wang
27*2de3b87aSKai Wang #include "_libdwarf.h"
28*2de3b87aSKai Wang
29*2de3b87aSKai Wang ELFTC_VCSID("$Id: dwarf_seterror.c 2075 2011-10-27 03:47:28Z jkoshy $");
30*2de3b87aSKai Wang
31*2de3b87aSKai Wang #define _SET_FIELD(R, F, V) \
32*2de3b87aSKai Wang do { \
33*2de3b87aSKai Wang (R) = (F); \
34*2de3b87aSKai Wang (F) = (V); \
35*2de3b87aSKai Wang } while (0)
36*2de3b87aSKai Wang
37*2de3b87aSKai Wang #define SET_FIELD(D, R, F) \
38*2de3b87aSKai Wang do { \
39*2de3b87aSKai Wang if (D) \
40*2de3b87aSKai Wang _SET_FIELD(R, (D)->dbg_##F, F); \
41*2de3b87aSKai Wang else \
42*2de3b87aSKai Wang _SET_FIELD(R, _libdwarf.F, F); \
43*2de3b87aSKai Wang } while (0)
44*2de3b87aSKai Wang
45*2de3b87aSKai Wang Dwarf_Handler
dwarf_seterrhand(Dwarf_Debug dbg,Dwarf_Handler errhand)46*2de3b87aSKai Wang dwarf_seterrhand(Dwarf_Debug dbg, Dwarf_Handler errhand)
47*2de3b87aSKai Wang {
48*2de3b87aSKai Wang Dwarf_Handler oldhandler;
49*2de3b87aSKai Wang
50*2de3b87aSKai Wang SET_FIELD(dbg, oldhandler, errhand);
51*2de3b87aSKai Wang
52*2de3b87aSKai Wang return (oldhandler);
53*2de3b87aSKai Wang }
54*2de3b87aSKai Wang
55*2de3b87aSKai Wang Dwarf_Ptr
dwarf_seterrarg(Dwarf_Debug dbg,Dwarf_Ptr errarg)56*2de3b87aSKai Wang dwarf_seterrarg(Dwarf_Debug dbg, Dwarf_Ptr errarg)
57*2de3b87aSKai Wang {
58*2de3b87aSKai Wang Dwarf_Ptr oldarg;
59*2de3b87aSKai Wang
60*2de3b87aSKai Wang SET_FIELD(dbg, oldarg, errarg);
61*2de3b87aSKai Wang
62*2de3b87aSKai Wang return (oldarg);
63*2de3b87aSKai Wang }
64