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1 : : /* Set up a session using libdwfl. 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 "libdwflP.h" 34 : : 35 : : Dwfl * 36 : 5773 : dwfl_begin (const Dwfl_Callbacks *callbacks) 37 : : { 38 [ - + ]: 5773 : if (elf_version (EV_CURRENT) == EV_NONE) 39 : : { 40 : 0 : __libdwfl_seterrno (DWFL_E_LIBELF); 41 : 0 : return NULL; 42 : : } 43 : : 44 : 5773 : Dwfl *dwfl = calloc (1, sizeof *dwfl); 45 [ - + ]: 5773 : if (dwfl == NULL) 46 : 0 : __libdwfl_seterrno (DWFL_E_NOMEM); 47 : : else 48 : : { 49 : 5773 : dwfl->callbacks = callbacks; 50 : 5773 : dwfl->offline_next_address = OFFLINE_REDZONE; 51 : : } 52 : : 53 : : return dwfl; 54 : : } 55 : : INTDEF (dwfl_begin)