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2bc3c89a AM |
1 | /* QNX specific support for 32-bit ELF |
2 | Copyright 2002 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of BFD, the Binary File Descriptor library. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software Foundation, | |
18 | Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
19 | ||
20 | #include "bfd.h" | |
21 | #include "sysdep.h" | |
22 | #include "elf-bfd.h" | |
23 | #include "elf32-qnx.h" | |
24 | ||
25 | /* Returns the end address of the segment + 1. */ | |
26 | #define SEGMENT_END(segment, start) \ | |
27 | (start + (segment->p_memsz > segment->p_filesz \ | |
28 | ? segment->p_memsz : segment->p_filesz)) | |
29 | ||
30 | boolean | |
31 | elf_qnx_copy_private_bfd_data_p (ibfd, isec, obfd, osec) | |
32 | bfd *ibfd ATTRIBUTE_UNUSED; | |
33 | asection *isec; | |
34 | bfd *obfd ATTRIBUTE_UNUSED; | |
35 | asection *osec ATTRIBUTE_UNUSED; | |
36 | { | |
37 | return isec->next == NULL; | |
38 | } | |
39 | ||
40 | boolean | |
41 | elf_qnx_is_contained_by_filepos (section, segment) | |
42 | asection *section; | |
43 | Elf_Internal_Phdr *segment; | |
44 | { | |
45 | return ((bfd_vma) section->filepos >= segment->p_offset | |
46 | && ((bfd_vma) section->filepos + section->_raw_size | |
47 | <= SEGMENT_END (segment, segment->p_offset))); | |
48 | } | |
49 | ||
50 | void | |
51 | elf_qnx_set_nonloadable_filepos (abfd, phdrs) | |
52 | bfd *abfd; | |
53 | Elf_Internal_Phdr *phdrs; | |
54 | { | |
55 | struct elf_segment_map *m; | |
56 | Elf_Internal_Phdr *p; | |
57 | file_ptr off = 0; | |
58 | ||
59 | for (m = elf_tdata (abfd)->segment_map, p = phdrs; | |
60 | m != NULL; | |
61 | m = m->next, p++) | |
62 | { | |
63 | unsigned int i; | |
64 | asection **secpp; | |
65 | ||
66 | for (i = 0, secpp = m->sections; i < m->count; i++, secpp++) | |
67 | { | |
68 | asection *sec; | |
69 | ||
70 | sec = *secpp; | |
71 | ||
72 | if (p->p_type == PT_LOAD) | |
73 | off = sec->filepos; | |
74 | else | |
75 | { | |
76 | if (i == 0) | |
77 | { | |
78 | if (sec->filepos) | |
79 | p->p_offset = sec->filepos; | |
80 | else | |
81 | p->p_offset = off; | |
82 | } | |
83 | if (!sec->filepos) | |
84 | { | |
85 | off += sec->_raw_size; | |
86 | p->p_filesz += sec->_raw_size; | |
87 | } | |
88 | } | |
89 | } | |
90 | } | |
91 | return; | |
92 | } |