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1 : : /* Compute frame state at PC. 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 : 13758 : dwarf_cfi_addrframe (Dwarf_CFI *cache, Dwarf_Addr address, Dwarf_Frame **frame) 37 : : { 38 : : /* Maybe there was a previous error. */ 39 [ + + ]: 13758 : if (cache == NULL) 40 : : return -1; 41 : : 42 : 13610 : struct dwarf_fde *fde = __libdw_find_fde (cache, address); 43 [ + + ]: 13610 : if (fde == NULL) 44 : : return -1; 45 : : 46 : 13356 : int error = __libdw_frame_at_address (cache, fde, address, frame); 47 [ - + ]: 13356 : if (error != DWARF_E_NOERROR) 48 : : { 49 : 0 : __libdw_seterrno (error); 50 : 0 : return -1; 51 : : } 52 : : return 0; 53 : : } 54 : : INTDEF (dwarf_cfi_addrframe)