xref: /aosp_15_r20/external/elfutils/libdw/dwarf_haspc.c (revision 7304104da70ce23c86437a01be71edd1a2d7f37e)
1*7304104dSAndroid Build Coastguard Worker /* Determine whether a DIE covers a PC address.
2*7304104dSAndroid Build Coastguard Worker    Copyright (C) 2005 Red Hat, Inc.
3*7304104dSAndroid Build Coastguard Worker    This file is part of elfutils.
4*7304104dSAndroid Build Coastguard Worker 
5*7304104dSAndroid Build Coastguard Worker    This file is free software; you can redistribute it and/or modify
6*7304104dSAndroid Build Coastguard Worker    it under the terms of either
7*7304104dSAndroid Build Coastguard Worker 
8*7304104dSAndroid Build Coastguard Worker      * the GNU Lesser General Public License as published by the Free
9*7304104dSAndroid Build Coastguard Worker        Software Foundation; either version 3 of the License, or (at
10*7304104dSAndroid Build Coastguard Worker        your option) any later version
11*7304104dSAndroid Build Coastguard Worker 
12*7304104dSAndroid Build Coastguard Worker    or
13*7304104dSAndroid Build Coastguard Worker 
14*7304104dSAndroid Build Coastguard Worker      * the GNU General Public License as published by the Free
15*7304104dSAndroid Build Coastguard Worker        Software Foundation; either version 2 of the License, or (at
16*7304104dSAndroid Build Coastguard Worker        your option) any later version
17*7304104dSAndroid Build Coastguard Worker 
18*7304104dSAndroid Build Coastguard Worker    or both in parallel, as here.
19*7304104dSAndroid Build Coastguard Worker 
20*7304104dSAndroid Build Coastguard Worker    elfutils is distributed in the hope that it will be useful, but
21*7304104dSAndroid Build Coastguard Worker    WITHOUT ANY WARRANTY; without even the implied warranty of
22*7304104dSAndroid Build Coastguard Worker    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
23*7304104dSAndroid Build Coastguard Worker    General Public License for more details.
24*7304104dSAndroid Build Coastguard Worker 
25*7304104dSAndroid Build Coastguard Worker    You should have received copies of the GNU General Public License and
26*7304104dSAndroid Build Coastguard Worker    the GNU Lesser General Public License along with this program.  If
27*7304104dSAndroid Build Coastguard Worker    not, see <http://www.gnu.org/licenses/>.  */
28*7304104dSAndroid Build Coastguard Worker 
29*7304104dSAndroid Build Coastguard Worker #ifdef HAVE_CONFIG_H
30*7304104dSAndroid Build Coastguard Worker # include <config.h>
31*7304104dSAndroid Build Coastguard Worker #endif
32*7304104dSAndroid Build Coastguard Worker 
33*7304104dSAndroid Build Coastguard Worker #include "libdwP.h"
34*7304104dSAndroid Build Coastguard Worker #include <dwarf.h>
35*7304104dSAndroid Build Coastguard Worker 
36*7304104dSAndroid Build Coastguard Worker 
37*7304104dSAndroid Build Coastguard Worker int
dwarf_haspc(Dwarf_Die * die,Dwarf_Addr pc)38*7304104dSAndroid Build Coastguard Worker dwarf_haspc (Dwarf_Die *die, Dwarf_Addr pc)
39*7304104dSAndroid Build Coastguard Worker {
40*7304104dSAndroid Build Coastguard Worker   if (die == NULL)
41*7304104dSAndroid Build Coastguard Worker     return -1;
42*7304104dSAndroid Build Coastguard Worker 
43*7304104dSAndroid Build Coastguard Worker   Dwarf_Addr base;
44*7304104dSAndroid Build Coastguard Worker   Dwarf_Addr begin;
45*7304104dSAndroid Build Coastguard Worker   Dwarf_Addr end;
46*7304104dSAndroid Build Coastguard Worker   ptrdiff_t offset = 0;
47*7304104dSAndroid Build Coastguard Worker   while ((offset = INTUSE(dwarf_ranges) (die, offset, &base,
48*7304104dSAndroid Build Coastguard Worker 					 &begin, &end)) > 0)
49*7304104dSAndroid Build Coastguard Worker     if (pc >= begin && pc < end)
50*7304104dSAndroid Build Coastguard Worker       return 1;
51*7304104dSAndroid Build Coastguard Worker 
52*7304104dSAndroid Build Coastguard Worker   return offset;
53*7304104dSAndroid Build Coastguard Worker }
54*7304104dSAndroid Build Coastguard Worker INTDEF (dwarf_haspc)
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