]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/blob - contrib/elftoolchain/libdwarf/dwarf_seterror.c
MFS r353106:
[FreeBSD/FreeBSD.git] / contrib / elftoolchain / libdwarf / dwarf_seterror.c
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: dwarf_seterror.c 2075 2011-10-27 03:47:28Z jkoshy $");
30
31 #define _SET_FIELD(R, F, V)                                     \
32         do {                                                    \
33                 (R) = (F);                                      \
34                 (F) = (V);                                      \
35         } while (0)
36
37 #define SET_FIELD(D, R, F)                                      \
38         do {                                                    \
39                 if (D)                                          \
40                         _SET_FIELD(R, (D)->dbg_##F, F);         \
41                 else                                            \
42                         _SET_FIELD(R, _libdwarf.F, F);          \
43         } while (0)
44
45 Dwarf_Handler
46 dwarf_seterrhand(Dwarf_Debug dbg, Dwarf_Handler errhand)
47 {
48         Dwarf_Handler oldhandler;
49
50         SET_FIELD(dbg, oldhandler, errhand);
51
52         return (oldhandler);
53 }
54
55 Dwarf_Ptr
56 dwarf_seterrarg(Dwarf_Debug dbg, Dwarf_Ptr errarg)
57 {
58         Dwarf_Ptr oldarg;
59
60         SET_FIELD(dbg, oldarg, errarg);
61
62         return (oldarg);
63 }