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1fe1f39c | 1 | # This shell script emits a C file. -*- C -*- |
f96b4a7b | 2 | # Copyright 2004, 2007 |
1fe1f39c NC |
3 | # Free Software Foundation, Inc. |
4 | # | |
f96b4a7b | 5 | # This file is part of the GNU Binutils. |
1fe1f39c NC |
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 | |
f96b4a7b | 9 | # the Free Software Foundation; either version 3 of the License, or |
1fe1f39c NC |
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 | |
f96b4a7b NC |
19 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
20 | # MA 02110-1301, USA. | |
1fe1f39c NC |
21 | # |
22 | ||
23 | # This file is sourced from elf32.em, and defines extra crx-elf | |
24 | # specific routines. | |
25 | # | |
26 | cat >>e${EMULATION_NAME}.c <<EOF | |
27 | ||
28 | #include "ldctor.h" | |
29 | ||
799fb2eb TL |
30 | /* Flag for the emulation-specific "--no-relax" option. */ |
31 | static bfd_boolean disable_relaxation = FALSE; | |
32 | ||
1fe1f39c NC |
33 | static void crxelf_after_parse (void); |
34 | ||
35 | static void | |
36 | crxelf_after_parse (void) | |
37 | { | |
38 | /* Always behave as if called with --sort-common command line | |
39 | option. | |
40 | This is to emulate the CRTools' method of keeping variables | |
41 | of different alignment in separate sections. */ | |
42 | config.sort_common = TRUE; | |
43 | ||
44 | /* Don't create a demand-paged executable, since this feature isn't | |
799fb2eb | 45 | meaninful in CRX embedded systems. Moreover, when magic_demand_paged |
1fe1f39c NC |
46 | is true the link sometimes fails. */ |
47 | config.magic_demand_paged = FALSE; | |
48 | } | |
49 | ||
799fb2eb TL |
50 | /* This is called after the sections have been attached to output |
51 | sections, but before any sizes or addresses have been set. */ | |
52 | ||
53 | static void | |
54 | crxelf_before_allocation (void) | |
55 | { | |
56 | /* Call the default first. */ | |
57 | gld${EMULATION_NAME}_before_allocation (); | |
58 | ||
59 | /* Enable relaxation by default if the "--no-relax" option was not | |
60 | specified. This is done here instead of in the before_parse hook | |
61 | because there is a check in main() to prohibit use of --relax and | |
62 | -r together. */ | |
63 | ||
64 | if (!disable_relaxation) | |
65 | command_line.relax = TRUE; | |
66 | } | |
67 | ||
1fe1f39c NC |
68 | EOF |
69 | ||
799fb2eb TL |
70 | # Define some shell vars to insert bits of code into the standard elf |
71 | # parse_args and list_options functions. | |
72 | # | |
73 | PARSE_AND_LIST_PROLOGUE=' | |
74 | #define OPTION_NO_RELAX 301 | |
75 | ' | |
76 | ||
77 | PARSE_AND_LIST_LONGOPTS=' | |
78 | { "no-relax", no_argument, NULL, OPTION_NO_RELAX}, | |
79 | ' | |
80 | ||
81 | PARSE_AND_LIST_OPTIONS=' | |
82 | fprintf (file, _(" --no-relax Do not relax branches\n")); | |
83 | ' | |
84 | ||
85 | PARSE_AND_LIST_ARGS_CASES=' | |
86 | case OPTION_NO_RELAX: | |
87 | disable_relaxation = TRUE; | |
88 | break; | |
89 | ' | |
90 | ||
1fe1f39c NC |
91 | # Put these extra crx-elf routines in ld_${EMULATION_NAME}_emulation |
92 | # | |
93 | LDEMUL_AFTER_PARSE=crxelf_after_parse | |
799fb2eb TL |
94 | LDEMUL_BEFORE_ALLOCATION=crxelf_before_allocation |
95 |