xref: /aosp_15_r20/external/elfutils/libdw/dwarf_cfi_addrframe.c (revision 7304104da70ce23c86437a01be71edd1a2d7f37e)
1*7304104dSAndroid Build Coastguard Worker /* Compute frame state at PC.
2*7304104dSAndroid Build Coastguard Worker    Copyright (C) 2009 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 "cfi.h"
34*7304104dSAndroid Build Coastguard Worker 
35*7304104dSAndroid Build Coastguard Worker int
dwarf_cfi_addrframe(Dwarf_CFI * cache,Dwarf_Addr address,Dwarf_Frame ** frame)36*7304104dSAndroid Build Coastguard Worker dwarf_cfi_addrframe (Dwarf_CFI *cache, Dwarf_Addr address, Dwarf_Frame **frame)
37*7304104dSAndroid Build Coastguard Worker {
38*7304104dSAndroid Build Coastguard Worker   /* Maybe there was a previous error.  */
39*7304104dSAndroid Build Coastguard Worker   if (cache == NULL)
40*7304104dSAndroid Build Coastguard Worker     return -1;
41*7304104dSAndroid Build Coastguard Worker 
42*7304104dSAndroid Build Coastguard Worker   struct dwarf_fde *fde = __libdw_find_fde (cache, address);
43*7304104dSAndroid Build Coastguard Worker   if (fde == NULL)
44*7304104dSAndroid Build Coastguard Worker     return -1;
45*7304104dSAndroid Build Coastguard Worker 
46*7304104dSAndroid Build Coastguard Worker   int error = __libdw_frame_at_address (cache, fde, address, frame);
47*7304104dSAndroid Build Coastguard Worker   if (error != DWARF_E_NOERROR)
48*7304104dSAndroid Build Coastguard Worker     {
49*7304104dSAndroid Build Coastguard Worker       __libdw_seterrno (error);
50*7304104dSAndroid Build Coastguard Worker       return -1;
51*7304104dSAndroid Build Coastguard Worker     }
52*7304104dSAndroid Build Coastguard Worker   return 0;
53*7304104dSAndroid Build Coastguard Worker }
54*7304104dSAndroid Build Coastguard Worker INTDEF (dwarf_cfi_addrframe)
55