Roland McGrath | a605a3c | 2009-04-19 18:27:01 -0700 | [diff] [blame] | 1 | /* Find debugging and symbol information for a module in libdwfl. |
Roland McGrath | 1743d7f | 2010-11-12 16:46:47 -0800 | [diff] [blame] | 2 | Copyright (C) 2009-2010 Red Hat, Inc. |
Mark Wielaard | de2ed97 | 2012-06-05 17:15:16 +0200 | [diff] [blame] | 3 | This file is part of elfutils. |
Roland McGrath | a605a3c | 2009-04-19 18:27:01 -0700 | [diff] [blame] | 4 | |
Mark Wielaard | de2ed97 | 2012-06-05 17:15:16 +0200 | [diff] [blame] | 5 | This file is free software; you can redistribute it and/or modify |
| 6 | it under the terms of either |
Roland McGrath | a605a3c | 2009-04-19 18:27:01 -0700 | [diff] [blame] | 7 | |
Mark Wielaard | de2ed97 | 2012-06-05 17:15:16 +0200 | [diff] [blame] | 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 |
Roland McGrath | a605a3c | 2009-04-19 18:27:01 -0700 | [diff] [blame] | 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 | |
Mark Wielaard | de2ed97 | 2012-06-05 17:15:16 +0200 | [diff] [blame] | 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/>. */ |
Roland McGrath | a605a3c | 2009-04-19 18:27:01 -0700 | [diff] [blame] | 28 | |
| 29 | #include "libdwflP.h" |
| 30 | |
| 31 | Elf * |
| 32 | dwfl_module_getelf (Dwfl_Module *mod, GElf_Addr *loadbase) |
| 33 | { |
| 34 | if (mod == NULL) |
| 35 | return NULL; |
| 36 | |
| 37 | __libdwfl_getelf (mod); |
| 38 | if (mod->elferr == DWFL_E_NOERROR) |
| 39 | { |
| 40 | if (mod->e_type == ET_REL && ! mod->main.relocated) |
| 41 | { |
| 42 | /* Before letting them get at the Elf handle, |
| 43 | apply all the relocations we know how to. */ |
| 44 | |
| 45 | mod->main.relocated = true; |
| 46 | if (likely (__libdwfl_module_getebl (mod) == DWFL_E_NOERROR)) |
| 47 | { |
| 48 | (void) __libdwfl_relocate (mod, mod->main.elf, false); |
| 49 | |
| 50 | if (mod->debug.elf == mod->main.elf) |
| 51 | mod->debug.relocated = true; |
| 52 | else if (mod->debug.elf != NULL && ! mod->debug.relocated) |
| 53 | { |
| 54 | mod->debug.relocated = true; |
| 55 | (void) __libdwfl_relocate (mod, mod->debug.elf, false); |
| 56 | } |
| 57 | } |
| 58 | } |
| 59 | |
Roland McGrath | 1743d7f | 2010-11-12 16:46:47 -0800 | [diff] [blame] | 60 | *loadbase = dwfl_adjusted_address (mod, 0); |
Roland McGrath | a605a3c | 2009-04-19 18:27:01 -0700 | [diff] [blame] | 61 | return mod->main.elf; |
| 62 | } |
| 63 | |
| 64 | __libdwfl_seterrno (mod->elferr); |
| 65 | return NULL; |
| 66 | } |
| 67 | INTDEF (dwfl_module_getelf) |