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3c3bdf30 NC |
1 | # This shell script emits a C file. -*- C -*- |
2 | # Copyright 2001 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 | |
18 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | # | |
20 | ||
21 | # This file is sourced from elf32.em and mmo.em, used to define | |
22 | # MMIX-specific things common to ELF and MMO. | |
23 | ||
24 | cat >>e${EMULATION_NAME}.c <<EOF | |
25 | #include "elf/mmix.h" | |
26 | ||
27 | static void mmix_set_reg_section_vma PARAMS ((void)); | |
28 | ||
29 | /* We need to set the VMA of the .MMIX.reg_contents section when it has | |
30 | been allocated. */ | |
31 | ||
32 | static void | |
33 | mmix_set_reg_section_vma () | |
34 | { | |
35 | asection *sec | |
36 | = bfd_get_section_by_name (output_bfd, MMIX_REG_CONTENTS_SECTION_NAME); | |
37 | bfd_vma regvma; | |
38 | ||
39 | /* If there's no register section, we don't need to do anything. */ | |
40 | if (sec == NULL) | |
41 | return; | |
42 | ||
43 | regvma = 256 * 8 - sec->_raw_size - 8; | |
44 | ||
45 | /* If we start on a local register, we have too many global registers. */ | |
46 | if (regvma < 32 * 8) | |
47 | einfo ("%X%P: Too many global registers: %u, max 223\n", | |
48 | (unsigned) sec->_raw_size / 8); | |
49 | ||
50 | /* Set vma to correspond to first such register number * 8. */ | |
51 | bfd_set_section_vma (output_bfd, sec, regvma); | |
52 | ||
53 | /* ??? Why isn't the section size (_cooked_size) set? Doesn't it get | |
54 | set regardless of presence of relocations? */ | |
55 | if (sec->_cooked_size == 0 | |
56 | && ! bfd_set_section_size (output_bfd, sec, sec->_raw_size)) | |
57 | { | |
58 | einfo ("%X%P: Can't set section %s size to %u\n", | |
59 | MMIX_REG_CONTENTS_SECTION_NAME, (unsigned) sec->_raw_size); | |
60 | return; | |
61 | } | |
62 | ||
63 | /* Simplify symbol output for the register section (without contents; | |
64 | created for register symbols) by setting the output offset to 0. */ | |
65 | sec = bfd_get_section_by_name (output_bfd, MMIX_REG_SECTION_NAME); | |
66 | if (sec == NULL) | |
67 | return; | |
68 | ||
69 | bfd_set_section_vma (abfd, sec, 0); | |
70 | ||
71 | } | |
72 | EOF | |
73 | ||
74 | LDEMUL_AFTER_ALLOCATION=mmix_set_reg_section_vma |