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1 : : /* Get line number of beginning of given function. 2 : : Copyright (C) 2005, 2009 Red Hat, Inc. 3 : : This file is part of elfutils. 4 : : Written by Ulrich Drepper <drepper@redhat.com>, 2005. 5 : : 6 : : This file is free software; you can redistribute it and/or modify 7 : : it under the terms of either 8 : : 9 : : * the GNU Lesser General Public License as published by the Free 10 : : Software Foundation; either version 3 of the License, or (at 11 : : your option) any later version 12 : : 13 : : or 14 : : 15 : : * the GNU General Public License as published by the Free 16 : : Software Foundation; either version 2 of the License, or (at 17 : : your option) any later version 18 : : 19 : : or both in parallel, as here. 20 : : 21 : : elfutils is distributed in the hope that it will be useful, but 22 : : WITHOUT ANY WARRANTY; without even the implied warranty of 23 : : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 24 : : General Public License for more details. 25 : : 26 : : You should have received copies of the GNU General Public License and 27 : : the GNU Lesser General Public License along with this program. If 28 : : not, see <http://www.gnu.org/licenses/>. */ 29 : : 30 : : #ifdef HAVE_CONFIG_H 31 : : # include <config.h> 32 : : #endif 33 : : 34 : : #include <assert.h> 35 : : #include <dwarf.h> 36 : : #include <limits.h> 37 : : #include "libdwP.h" 38 : : 39 : : 40 : : NEW_VERSION (dwarf_decl_line, ELFUTILS_0.143) 41 : : int 42 : 80 : dwarf_decl_line (Dwarf_Die *func, int *linep) 43 : : { 44 : 80 : return __libdw_attr_intval (func, linep, DW_AT_decl_line); 45 : : } 46 : : OLD_VERSION (dwarf_decl_line, ELFUTILS_0.122) 47 : : 48 : : 49 : : int internal_function 50 : 80 : __libdw_attr_intval (Dwarf_Die *die, int *linep, int attval) 51 : : { 52 : 80 : Dwarf_Attribute attr_mem; 53 : 80 : Dwarf_Word line; 54 : : 55 : 80 : int res = INTUSE(dwarf_formudata) (INTUSE(dwarf_attr_integrate) 56 : : (die, attval, &attr_mem), 57 : : &line); 58 [ + - ]: 80 : if (res == 0) 59 : : { 60 [ - + ]: 80 : if (line > INT_MAX) 61 : : { 62 : 0 : __libdw_seterrno (DWARF_E_INVALID_DWARF); 63 : 0 : res = -1; 64 : : } 65 : : else 66 : 80 : *linep = line; 67 : : } 68 : : 69 : 80 : return res; 70 : : }