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caf47ea6 AM |
1 | /* Intel 80386/80486 QNX specific support for 32-bit ELF |
2 | Copyright 2002 | |
3 | Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of BFD, the Binary File Descriptor library. | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | #define ELF32_I386_C_INCLUDED | |
22 | #include "elf32-i386.c" | |
23 | ||
24 | /* Returns the end address of the segment + 1. */ | |
25 | #define SEGMENT_END(segment, start) \ | |
26 | (start + (segment->p_memsz > segment->p_filesz \ | |
27 | ? segment->p_memsz : segment->p_filesz)) | |
28 | ||
29 | static boolean elf_i386qnx_copy_private_bfd_data_p | |
30 | PARAMS ((bfd *, asection *, bfd *, asection *)); | |
31 | static boolean elf_i386qnx_is_contained_by_filepos | |
32 | PARAMS ((asection *, Elf_Internal_Phdr *)); | |
33 | static void elf_i386qnx_set_nonloadable_filepos | |
34 | PARAMS ((bfd *, Elf_Internal_Phdr *)); | |
35 | ||
36 | static boolean | |
37 | elf_i386qnx_copy_private_bfd_data_p (ibfd, isec, obfd, osec) | |
38 | bfd *ibfd; | |
39 | asection *isec; | |
40 | bfd *obfd; | |
41 | asection *osec; | |
42 | { | |
cedb70c5 | 43 | /* We don't use these parameters, but another target might. */ |
caf47ea6 AM |
44 | ibfd = ibfd; |
45 | obfd = obfd; | |
46 | osec = osec; | |
47 | return isec->next == NULL; | |
48 | } | |
49 | ||
50 | static boolean | |
51 | elf_i386qnx_is_contained_by_filepos (section, segment) | |
52 | asection *section; | |
cedb70c5 | 53 | Elf_Internal_Phdr *segment; |
caf47ea6 AM |
54 | { |
55 | return ((bfd_vma) section->filepos >= segment->p_offset | |
56 | && ((bfd_vma) section->filepos + section->_raw_size | |
57 | <= SEGMENT_END (segment, segment->p_offset))); | |
58 | } | |
59 | ||
60 | static void | |
61 | elf_i386qnx_set_nonloadable_filepos (abfd, phdrs) | |
62 | bfd *abfd; | |
cedb70c5 | 63 | Elf_Internal_Phdr *phdrs; |
caf47ea6 AM |
64 | { |
65 | struct elf_segment_map *m; | |
66 | Elf_Internal_Phdr *p; | |
67 | file_ptr off = 0; | |
68 | ||
69 | for (m = elf_tdata (abfd)->segment_map, p = phdrs; | |
70 | m != NULL; | |
71 | m = m->next, p++) | |
72 | { | |
73 | unsigned int i; | |
74 | asection **secpp; | |
75 | ||
76 | for (i = 0, secpp = m->sections; i < m->count; i++, secpp++) | |
77 | { | |
78 | asection *sec; | |
79 | ||
80 | sec = *secpp; | |
81 | ||
82 | if (p->p_type == PT_LOAD) | |
83 | off = sec->filepos; | |
84 | else | |
85 | { | |
86 | if (i == 0) | |
87 | { | |
88 | if (sec->filepos) | |
89 | p->p_offset = sec->filepos; | |
90 | else | |
91 | p->p_offset = off; | |
92 | } | |
93 | if (!sec->filepos) | |
94 | { | |
95 | off += sec->_raw_size; | |
96 | p->p_filesz += sec->_raw_size; | |
97 | } | |
98 | } | |
99 | } | |
100 | } | |
101 | return; | |
102 | } | |
103 | ||
104 | #undef TARGET_LITTLE_SYM | |
105 | #define TARGET_LITTLE_SYM bfd_elf32_i386qnx_vec | |
106 | ||
107 | #define elf_backend_set_nonloadable_filepos elf_i386qnx_set_nonloadable_filepos | |
108 | #define elf_backend_is_contained_by_filepos elf_i386qnx_is_contained_by_filepos | |
109 | #define elf_backend_copy_private_bfd_data_p elf_i386qnx_copy_private_bfd_data_p | |
110 | ||
111 | #include "elf32-target.h" |