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1 : : /* Get return address register for frame. 2 : : Copyright (C) 2009 Red Hat, Inc. 3 : : This file is part of elfutils. 4 : : 5 : : This file is free software; you can redistribute it and/or modify 6 : : it under the terms of either 7 : : 8 : : * the GNU Lesser General Public License as published by the Free 9 : : Software Foundation; either version 3 of the License, or (at 10 : : your option) any later version 11 : : 12 : : or 13 : : 14 : : * the GNU General Public License as published by the Free 15 : : Software Foundation; either version 2 of the License, or (at 16 : : your option) any later version 17 : : 18 : : or both in parallel, as here. 19 : : 20 : : elfutils is distributed in the hope that it will be useful, but 21 : : WITHOUT ANY WARRANTY; without even the implied warranty of 22 : : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 23 : : General Public License for more details. 24 : : 25 : : You should have received copies of the GNU General Public License and 26 : : the GNU Lesser General Public License along with this program. If 27 : : not, see <http://www.gnu.org/licenses/>. */ 28 : : 29 : : #ifdef HAVE_CONFIG_H 30 : : # include <config.h> 31 : : #endif 32 : : 33 : : #include "cfi.h" 34 : : 35 : : int 36 : 38 : dwarf_frame_info (Dwarf_Frame *fs, Dwarf_Addr *start, Dwarf_Addr *end, 37 : : bool *signalp) 38 : : { 39 : : /* Maybe there was a previous error. */ 40 [ + - ]: 38 : if (fs == NULL) 41 : : return -1; 42 : : 43 [ + - ]: 38 : if (start != NULL) 44 : 38 : *start = fs->start; 45 [ + - ]: 38 : if (end != NULL) 46 : 38 : *end = fs->end; 47 [ + - ]: 38 : if (signalp != NULL) 48 : 38 : *signalp = fs->fde->cie->signal_frame; 49 : 38 : return fs->fde->cie->return_address_register; 50 : : }