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1fe1f39c NC |
1 | # This shell script emits a C file. -*- C -*- |
2 | # Copyright 2004 | |
3 | # Free Software Foundation, Inc. | |
4 | # | |
5 | # This file is part of GLD, the Gnu Linker. | |
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 | |
75be928b | 19 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. |
1fe1f39c NC |
20 | # |
21 | ||
22 | # This file is sourced from elf32.em, and defines extra crx-elf | |
23 | # specific routines. | |
24 | # | |
25 | cat >>e${EMULATION_NAME}.c <<EOF | |
26 | ||
27 | #include "ldctor.h" | |
28 | ||
799fb2eb TL |
29 | /* Flag for the emulation-specific "--no-relax" option. */ |
30 | static bfd_boolean disable_relaxation = FALSE; | |
31 | ||
1fe1f39c NC |
32 | static void crxelf_after_parse (void); |
33 | ||
34 | static void | |
35 | crxelf_after_parse (void) | |
36 | { | |
37 | /* Always behave as if called with --sort-common command line | |
38 | option. | |
39 | This is to emulate the CRTools' method of keeping variables | |
40 | of different alignment in separate sections. */ | |
41 | config.sort_common = TRUE; | |
42 | ||
43 | /* Don't create a demand-paged executable, since this feature isn't | |
799fb2eb | 44 | meaninful in CRX embedded systems. Moreover, when magic_demand_paged |
1fe1f39c NC |
45 | is true the link sometimes fails. */ |
46 | config.magic_demand_paged = FALSE; | |
47 | } | |
48 | ||
799fb2eb TL |
49 | /* This is called after the sections have been attached to output |
50 | sections, but before any sizes or addresses have been set. */ | |
51 | ||
52 | static void | |
53 | crxelf_before_allocation (void) | |
54 | { | |
55 | /* Call the default first. */ | |
56 | gld${EMULATION_NAME}_before_allocation (); | |
57 | ||
58 | /* Enable relaxation by default if the "--no-relax" option was not | |
59 | specified. This is done here instead of in the before_parse hook | |
60 | because there is a check in main() to prohibit use of --relax and | |
61 | -r together. */ | |
62 | ||
63 | if (!disable_relaxation) | |
64 | command_line.relax = TRUE; | |
65 | } | |
66 | ||
1fe1f39c NC |
67 | EOF |
68 | ||
799fb2eb TL |
69 | # Define some shell vars to insert bits of code into the standard elf |
70 | # parse_args and list_options functions. | |
71 | # | |
72 | PARSE_AND_LIST_PROLOGUE=' | |
73 | #define OPTION_NO_RELAX 301 | |
74 | ' | |
75 | ||
76 | PARSE_AND_LIST_LONGOPTS=' | |
77 | { "no-relax", no_argument, NULL, OPTION_NO_RELAX}, | |
78 | ' | |
79 | ||
80 | PARSE_AND_LIST_OPTIONS=' | |
81 | fprintf (file, _(" --no-relax Do not relax branches\n")); | |
82 | ' | |
83 | ||
84 | PARSE_AND_LIST_ARGS_CASES=' | |
85 | case OPTION_NO_RELAX: | |
86 | disable_relaxation = TRUE; | |
87 | break; | |
88 | ' | |
89 | ||
1fe1f39c NC |
90 | # Put these extra crx-elf routines in ld_${EMULATION_NAME}_emulation |
91 | # | |
92 | LDEMUL_AFTER_PARSE=crxelf_after_parse | |
799fb2eb TL |
93 | LDEMUL_BEFORE_ALLOCATION=crxelf_before_allocation |
94 |