Branch data Line data Source code
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 : 4539245 : ebl_section_strip_p (Ebl *ebl, 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 [ + + ]: 4539245 : if (unlikely (only_remove_debug)) 45 : : { 46 [ + + ]: 66711 : if (ebl_debugscn_p (ebl, name)) 47 : : return true; 48 : : 49 [ + + ]: 66504 : if (shdr->sh_type == SHT_RELA || shdr->sh_type == SHT_REL) 50 : : { 51 : 71 : Elf_Scn *scn_l = elf_getscn (ebl->elf, (shdr)->sh_info); 52 : 71 : GElf_Shdr shdr_mem_l; 53 : 71 : GElf_Shdr *shdr_l = gelf_getshdr (scn_l, &shdr_mem_l); 54 [ + - ]: 71 : if (shdr_l != NULL) 55 : : { 56 : 71 : size_t shstrndx; 57 [ + - ]: 71 : if (elf_getshdrstrndx (ebl->elf, &shstrndx) != 0) 58 : 15 : return false; 59 : 142 : const char *s_l = elf_strptr (ebl->elf, shstrndx, 60 : 71 : shdr_l->sh_name); 61 [ + - + + ]: 71 : if (s_l != NULL && ebl_debugscn_p (ebl, s_l)) 62 : : return true; 63 : : } 64 : : } 65 : : 66 : 66489 : return false; 67 : : } 68 : : 69 [ + + + + : 8935835 : return SECTION_STRIP_P (shdr, name, remove_comment); + + + - + - + + + + ] 70 : : }