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8ded5a0f AM |
1 | # This shell script emits a C file. -*- C -*- |
2 | # Copyright 2006 Free Software Foundation, Inc. | |
3 | # | |
4 | # This file is part of GLD, the Gnu Linker. | |
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, Inc., | |
18 | # 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. | |
19 | # | |
20 | ||
21 | # This file is sourced from elf32.em and from ELF targets that use | |
22 | # generic.em. | |
23 | # | |
24 | cat >>e${EMULATION_NAME}.c <<EOF | |
25 | ||
26 | static void | |
27 | gld${EMULATION_NAME}_map_segments (bfd_boolean need_layout) | |
28 | { | |
f5ff60a6 AM |
29 | int tries = 10; |
30 | ||
00bb149b | 31 | do |
8ded5a0f | 32 | { |
00bb149b AM |
33 | if (need_layout) |
34 | { | |
35 | lang_reset_memory_regions (); | |
36 | ||
37 | /* Resize the sections. */ | |
38 | lang_size_sections (NULL, TRUE); | |
39 | ||
40 | /* Redo special stuff. */ | |
41 | ldemul_after_allocation (); | |
42 | ||
43 | /* Do the assignments again. */ | |
44 | lang_do_assignments (); | |
45 | ||
46 | need_layout = FALSE; | |
47 | } | |
48 | ||
49 | if (output_bfd->xvec->flavour == bfd_target_elf_flavour | |
50 | && !link_info.relocatable) | |
8ded5a0f AM |
51 | { |
52 | bfd_size_type phdr_size; | |
53 | ||
54 | phdr_size = elf_tdata (output_bfd)->program_header_size; | |
f5ff60a6 AM |
55 | /* If we don't have user supplied phdrs, throw away any |
56 | previous linker generated program headers. */ | |
57 | if (lang_phdr_list == NULL) | |
58 | elf_tdata (output_bfd)->segment_map = NULL; | |
8ded5a0f AM |
59 | if (!_bfd_elf_map_sections_to_segments (output_bfd, &link_info)) |
60 | einfo ("%F%P: map sections to segments failed: %E\n"); | |
61 | ||
62 | if (phdr_size != elf_tdata (output_bfd)->program_header_size) | |
59e0647f NS |
63 | { |
64 | if (tries > 6) | |
65 | /* The first few times we allow any change to | |
66 | phdr_size . */ | |
67 | need_layout = TRUE; | |
68 | else if (phdr_size < elf_tdata (output_bfd)->program_header_size) | |
69 | /* After that we only allow the size to grow. */ | |
70 | need_layout = TRUE; | |
71 | else | |
72 | elf_tdata (output_bfd)->program_header_size = phdr_size; | |
73 | } | |
8ded5a0f | 74 | } |
8ded5a0f | 75 | } |
00bb149b | 76 | while (need_layout && --tries); |
f5ff60a6 AM |
77 | |
78 | if (tries == 0) | |
79 | einfo (_("%P%F: looping in map_segments")); | |
8ded5a0f AM |
80 | } |
81 | EOF |