Commit | Line | Data |
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f96b4a7b | 1 | # This shell script emits a C file. -*- C -*- |
219d1afa | 2 | # Copyright (C) 2006-2018 Free Software Foundation, Inc. |
f96b4a7b NC |
3 | # |
4 | # This file is part of the GNU Binutils. | |
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 3 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., 51 Franklin Street - Fifth Floor, Boston, | |
19 | # MA 02110-1301, USA. | |
20 | # | |
21 | ||
4f471f39 | 22 | if test -n "$VXWORKS_BASE_EM_FILE" ; then |
92b93329 | 23 | source_em "${srcdir}/emultempl/${VXWORKS_BASE_EM_FILE}.em" |
4f471f39 RS |
24 | fi |
25 | ||
92b93329 | 26 | fragment <<EOF |
4f471f39 RS |
27 | |
28 | static int force_dynamic; | |
29 | ||
c76308d2 RS |
30 | static void |
31 | vxworks_before_parse (void) | |
32 | { | |
33 | ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse} (); | |
34 | config.rpath_separator = ';'; | |
35 | } | |
36 | ||
4f471f39 RS |
37 | static void |
38 | vxworks_after_open (void) | |
39 | { | |
40 | ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open} (); | |
41 | ||
42 | if (force_dynamic | |
43 | && link_info.input_bfds | |
f13a99db | 44 | && bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour |
4f471f39 RS |
45 | && !_bfd_elf_link_create_dynamic_sections (link_info.input_bfds, |
46 | &link_info)) | |
df5f2391 | 47 | einfo (_("%X%P: cannot create dynamic sections %E\n")); |
4f471f39 RS |
48 | |
49 | if (!force_dynamic | |
0e1862bb | 50 | && !bfd_link_pic (&link_info) |
f13a99db | 51 | && bfd_get_flavour (link_info.output_bfd) == bfd_target_elf_flavour |
4f471f39 | 52 | && elf_hash_table (&link_info)->dynamic_sections_created) |
df5f2391 | 53 | einfo (_("%X%P: dynamic sections created in non-dynamic link\n")); |
4f471f39 RS |
54 | } |
55 | ||
56 | EOF | |
57 | ||
58 | PARSE_AND_LIST_PROLOGUE=$PARSE_AND_LIST_PROLOGUE' | |
59 | enum { | |
60 | OPTION_FORCE_DYNAMIC = 501 | |
61 | }; | |
62 | ' | |
63 | ||
64 | PARSE_AND_LIST_LONGOPTS=$PARSE_AND_LIST_LONGOPTS' | |
65 | {"force-dynamic", no_argument, NULL, OPTION_FORCE_DYNAMIC}, | |
66 | ' | |
67 | ||
68 | PARSE_AND_LIST_OPTIONS=$PARSE_AND_LIST_OPTIONS' | |
69 | fprintf (file, _("\ | |
442996ee | 70 | --force-dynamic Always create dynamic sections\n")); |
4f471f39 RS |
71 | ' |
72 | ||
73 | PARSE_AND_LIST_ARGS_CASES=$PARSE_AND_LIST_ARGS_CASES' | |
74 | case OPTION_FORCE_DYNAMIC: | |
75 | force_dynamic = 1; | |
76 | break; | |
77 | ' | |
78 | ||
c76308d2 RS |
79 | # Hook in our routines above. There are three possibilities: |
80 | # | |
81 | # (1) VXWORKS_BASE_EM_FILE did not set the hook's LDEMUL_FOO variable. | |
82 | # We want to define LDEMUL_FOO to vxworks_foo in that case, | |
83 | # | |
84 | # (2) VXWORKS_BASE_EM_FILE set the hook's LDEMUL_FOO variable to | |
85 | # gld${EMULATION_NAME}_foo. This means that the file has | |
86 | # replaced elf32.em's default definition, so we simply #define | |
87 | # the current value of LDEMUL_FOO to vxworks_foo. | |
88 | # | |
89 | # (3) VXWORKS_BASE_EM_FILE set the hook's LDEMUL_FOO variable to | |
90 | # something other than gld${EMULATION_NAME}_foo. We handle | |
91 | # this case in the same way as (1). | |
92 | for override in before_parse after_open; do | |
b903363e | 93 | var="LDEMUL_`echo ${override} | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`" |
c76308d2 RS |
94 | eval value=\$${var} |
95 | if test "${value}" = "gld${EMULATION_NAME}_${override}"; then | |
92b93329 | 96 | fragment <<EOF |
c76308d2 RS |
97 | #define ${value} vxworks_${override} |
98 | EOF | |
99 | else | |
100 | eval $var=vxworks_${override} | |
101 | fi | |
102 | done |