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1 : : /* Determine whether a DIE covers a PC address. 2 : : Copyright (C) 2005 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 "libdwP.h" 34 : : #include <dwarf.h> 35 : : 36 : : 37 : : int 38 : 3984 : dwarf_haspc (Dwarf_Die *die, Dwarf_Addr pc) 39 : : { 40 [ + - ]: 3984 : if (die == NULL) 41 : : return -1; 42 : : 43 : : Dwarf_Addr base; 44 : : Dwarf_Addr begin; 45 : : Dwarf_Addr end; 46 : : ptrdiff_t offset = 0; 47 : 10524 : while ((offset = INTUSE(dwarf_ranges) (die, offset, &base, 48 [ + + ]: 5262 : &begin, &end)) > 0) 49 [ + + + + ]: 2168 : if (pc >= begin && pc < end) 50 : : return 1; 51 : : 52 : 3094 : return offset; 53 : : } 54 : : INTDEF (dwarf_haspc)