| Brian Silverman | 8649792 | 2018-02-10 19:28:39 -0500 | [diff] [blame] | 1 | /* Check whether section can be stripped. |
| 2 | Copyright (C) 2005, 2013 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 <string.h> |
| 34 | #include "libeblP.h" |
| 35 | |
| 36 | |
| 37 | bool |
| 38 | ebl_section_strip_p (Ebl *ebl, const GElf_Ehdr *ehdr, const GElf_Shdr *shdr, |
| 39 | const char *name, bool remove_comment, |
| 40 | bool only_remove_debug) |
| 41 | { |
| 42 | /* If only debug information should be removed check the name. There |
| 43 | is unfortunately no other way. */ |
| 44 | if (unlikely (only_remove_debug)) |
| 45 | { |
| 46 | if (ebl_debugscn_p (ebl, name)) |
| 47 | return true; |
| 48 | |
| 49 | if (shdr->sh_type == SHT_RELA || shdr->sh_type == SHT_REL) |
| 50 | { |
| 51 | Elf_Scn *scn_l = elf_getscn (ebl->elf, (shdr)->sh_info); |
| 52 | GElf_Shdr shdr_mem_l; |
| 53 | GElf_Shdr *shdr_l = gelf_getshdr (scn_l, &shdr_mem_l); |
| 54 | if (shdr_l != NULL) |
| 55 | { |
| 56 | const char *s_l = elf_strptr (ebl->elf, ehdr->e_shstrndx, |
| 57 | shdr_l->sh_name); |
| 58 | if (s_l != NULL && ebl_debugscn_p (ebl, s_l)) |
| 59 | return true; |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | return false; |
| 64 | } |
| 65 | |
| 66 | return SECTION_STRIP_P (shdr, name, remove_comment); |
| 67 | } |