xref: /aosp_15_r20/external/elfutils/libdw/dwarf_attr.c (revision 7304104da70ce23c86437a01be71edd1a2d7f37e)
1*7304104dSAndroid Build Coastguard Worker /* Return specific DWARF attribute of a DIE.
2*7304104dSAndroid Build Coastguard Worker    Copyright (C) 2003, 2005, 2014 Red Hat, Inc.
3*7304104dSAndroid Build Coastguard Worker    This file is part of elfutils.
4*7304104dSAndroid Build Coastguard Worker    Written by Ulrich Drepper <[email protected]>, 2003.
5*7304104dSAndroid Build Coastguard Worker 
6*7304104dSAndroid Build Coastguard Worker    This file is free software; you can redistribute it and/or modify
7*7304104dSAndroid Build Coastguard Worker    it under the terms of either
8*7304104dSAndroid Build Coastguard Worker 
9*7304104dSAndroid Build Coastguard Worker      * the GNU Lesser General Public License as published by the Free
10*7304104dSAndroid Build Coastguard Worker        Software Foundation; either version 3 of the License, or (at
11*7304104dSAndroid Build Coastguard Worker        your option) any later version
12*7304104dSAndroid Build Coastguard Worker 
13*7304104dSAndroid Build Coastguard Worker    or
14*7304104dSAndroid Build Coastguard Worker 
15*7304104dSAndroid Build Coastguard Worker      * the GNU General Public License as published by the Free
16*7304104dSAndroid Build Coastguard Worker        Software Foundation; either version 2 of the License, or (at
17*7304104dSAndroid Build Coastguard Worker        your option) any later version
18*7304104dSAndroid Build Coastguard Worker 
19*7304104dSAndroid Build Coastguard Worker    or both in parallel, as here.
20*7304104dSAndroid Build Coastguard Worker 
21*7304104dSAndroid Build Coastguard Worker    elfutils is distributed in the hope that it will be useful, but
22*7304104dSAndroid Build Coastguard Worker    WITHOUT ANY WARRANTY; without even the implied warranty of
23*7304104dSAndroid Build Coastguard Worker    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
24*7304104dSAndroid Build Coastguard Worker    General Public License for more details.
25*7304104dSAndroid Build Coastguard Worker 
26*7304104dSAndroid Build Coastguard Worker    You should have received copies of the GNU General Public License and
27*7304104dSAndroid Build Coastguard Worker    the GNU Lesser General Public License along with this program.  If
28*7304104dSAndroid Build Coastguard Worker    not, see <http://www.gnu.org/licenses/>.  */
29*7304104dSAndroid Build Coastguard Worker 
30*7304104dSAndroid Build Coastguard Worker #ifdef HAVE_CONFIG_H
31*7304104dSAndroid Build Coastguard Worker # include <config.h>
32*7304104dSAndroid Build Coastguard Worker #endif
33*7304104dSAndroid Build Coastguard Worker 
34*7304104dSAndroid Build Coastguard Worker #include <dwarf.h>
35*7304104dSAndroid Build Coastguard Worker #include "libdwP.h"
36*7304104dSAndroid Build Coastguard Worker 
37*7304104dSAndroid Build Coastguard Worker 
38*7304104dSAndroid Build Coastguard Worker Dwarf_Attribute *
dwarf_attr(Dwarf_Die * die,unsigned int search_name,Dwarf_Attribute * result)39*7304104dSAndroid Build Coastguard Worker dwarf_attr (Dwarf_Die *die, unsigned int search_name, Dwarf_Attribute *result)
40*7304104dSAndroid Build Coastguard Worker {
41*7304104dSAndroid Build Coastguard Worker   if (die == NULL)
42*7304104dSAndroid Build Coastguard Worker     return NULL;
43*7304104dSAndroid Build Coastguard Worker 
44*7304104dSAndroid Build Coastguard Worker   /* Search for the attribute with the given name.  */
45*7304104dSAndroid Build Coastguard Worker   result->valp = __libdw_find_attr (die, search_name, &result->code,
46*7304104dSAndroid Build Coastguard Worker 				    &result->form);
47*7304104dSAndroid Build Coastguard Worker   /* Always fill in the CU information.  */
48*7304104dSAndroid Build Coastguard Worker   result->cu = die->cu;
49*7304104dSAndroid Build Coastguard Worker 
50*7304104dSAndroid Build Coastguard Worker   return result->valp != NULL && result->code == search_name ? result : NULL;
51*7304104dSAndroid Build Coastguard Worker }
52*7304104dSAndroid Build Coastguard Worker INTDEF(dwarf_attr)
53