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1 : : /* Find debugging and symbol information for a module in libdwfl. 2 : : Copyright (C) 2009-2010 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 : : Elf * 36 : 6102 : dwfl_module_getelf (Dwfl_Module *mod, GElf_Addr *loadbase) 37 : : { 38 [ - + ]: 6102 : if (mod == NULL) 39 : : return NULL; 40 : : 41 : 6102 : __libdwfl_getelf (mod); 42 [ + + ]: 6102 : if (mod->elferr == DWFL_E_NOERROR) 43 : : { 44 [ + + + + ]: 6066 : if (mod->e_type == ET_REL && ! mod->main.relocated) 45 : : { 46 : : /* Before letting them get at the Elf handle, 47 : : apply all the relocations we know how to. */ 48 : : 49 : 243 : mod->main.relocated = true; 50 [ + - ]: 243 : if (likely (__libdwfl_module_getebl (mod) == DWFL_E_NOERROR)) 51 : : { 52 : 243 : (void) __libdwfl_relocate (mod, mod->main.elf, false); 53 : : 54 [ + + ]: 243 : if (mod->debug.elf == mod->main.elf) 55 : 24 : mod->debug.relocated = true; 56 [ - + - - ]: 219 : else if (mod->debug.elf != NULL && ! mod->debug.relocated) 57 : : { 58 : 0 : mod->debug.relocated = true; 59 : 0 : (void) __libdwfl_relocate (mod, mod->debug.elf, false); 60 : : } 61 : : } 62 : : } 63 : : 64 : 6066 : *loadbase = dwfl_adjusted_address (mod, 0); 65 : 6066 : return mod->main.elf; 66 : : } 67 : : 68 : 36 : __libdwfl_seterrno (mod->elferr); 69 : 36 : return NULL; 70 : : } 71 : : INTDEF (dwfl_module_getelf)