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 5391 : 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 5391 : if (unlikely (only_remove_debug))
45 : {
46 717 : if (ebl_debugscn_p (ebl, name))
47 : return true;
48 :
49 590 : if (shdr->sh_type == SHT_RELA || shdr->sh_type == SHT_REL)
50 : {
51 56 : Elf_Scn *scn_l = elf_getscn (ebl->elf, (shdr)->sh_info);
52 : GElf_Shdr shdr_mem_l;
53 56 : GElf_Shdr *shdr_l = gelf_getshdr (scn_l, &shdr_mem_l);
54 56 : if (shdr_l != NULL)
55 : {
56 56 : const char *s_l = elf_strptr (ebl->elf, ehdr->e_shstrndx,
57 56 : shdr_l->sh_name);
58 56 : if (s_l != NULL && ebl_debugscn_p (ebl, s_l))
59 15 : return true;
60 : }
61 : }
62 :
63 : return false;
64 : }
65 :
66 4674 : return SECTION_STRIP_P (shdr, name, remove_comment);
67 : }
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