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8b351884 TG |
1 | # This shell script emits a C file. -*- C -*- |
2 | # Copyright 2010 | |
3 | # Free Software Foundation, Inc. | |
4 | # | |
5 | # This file is part of the GNU Binutils. | |
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 3 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 | |
19 | # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | |
20 | # MA 02110-1301, USA. | |
21 | # | |
22 | ||
23 | # This file is sourced from generic.em. | |
24 | ||
25 | fragment <<EOF | |
26 | static void | |
27 | gld${EMULATION_NAME}_before_parse (void) | |
28 | { | |
29 | ldfile_set_output_arch ("${ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`); | |
30 | config.dynamic_link = TRUE; | |
31 | config.has_shared = FALSE; /* Not yet. */ | |
32 | } | |
33 | ||
34 | /* This is called before the input files are opened. We add the | |
35 | standard library. */ | |
36 | ||
37 | static void | |
38 | gld${EMULATION_NAME}_create_output_section_statements (void) | |
39 | { | |
40 | lang_add_input_file ("imagelib", lang_input_file_is_l_enum, NULL); | |
41 | lang_add_input_file ("starlet", lang_input_file_is_l_enum, NULL); | |
42 | lang_add_input_file ("sys\$public_vectors", lang_input_file_is_l_enum, NULL); | |
43 | } | |
44 | ||
45 | /* Try to open a dynamic archive. This is where we know that VMS | |
46 | shared images (dynamic libraries) have an extension of .exe. */ | |
47 | ||
48 | static bfd_boolean | |
49 | gld${EMULATION_NAME}_open_dynamic_archive (const char *arch ATTRIBUTE_UNUSED, | |
50 | search_dirs_type *search, | |
51 | lang_input_statement_type *entry) | |
52 | { | |
53 | char *string; | |
54 | ||
55 | if (! entry->is_archive) | |
56 | return FALSE; | |
57 | ||
58 | string = (char *) xmalloc (strlen (search->name) | |
59 | + strlen (entry->filename) | |
60 | + sizeof "/.exe"); | |
61 | ||
62 | sprintf (string, "%s/%s.exe", search->name, entry->filename); | |
63 | ||
64 | if (! ldfile_try_open_bfd (string, entry)) | |
65 | { | |
66 | free (string); | |
67 | return FALSE; | |
68 | } | |
69 | ||
70 | entry->filename = string; | |
71 | ||
72 | return TRUE; | |
73 | } | |
74 | ||
75 | static int | |
76 | gld${EMULATION_NAME}_find_potential_libraries | |
77 | (char *name, lang_input_statement_type *entry) | |
78 | { | |
79 | return ldfile_open_file_search (name, entry, "", ".olb"); | |
80 | } | |
81 | ||
82 | /* Place an orphan section. We use this to put random OVR sections. | |
83 | Much borrowed from elf32.em. */ | |
84 | ||
85 | static lang_output_section_statement_type * | |
86 | vms_place_orphan (asection *s, | |
87 | const char *secname ATTRIBUTE_UNUSED, | |
88 | int constraint ATTRIBUTE_UNUSED) | |
89 | { | |
90 | static struct orphan_save hold_data = | |
91 | { | |
92 | "\$DATA\$", | |
93 | SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_DATA, | |
94 | 0, 0, 0, 0 | |
95 | }; | |
96 | ||
46d00b8a TG |
97 | /* We have nothing to say for anything other than a final link or an excluded |
98 | section. */ | |
8b351884 TG |
99 | if (link_info.relocatable |
100 | || (s->flags & (SEC_EXCLUDE | SEC_LOAD)) != SEC_LOAD) | |
101 | return NULL; | |
102 | ||
46d00b8a TG |
103 | /* FIXME: we should place sections by VMS program section flags. */ |
104 | ||
8b351884 TG |
105 | /* Only handle data sections. */ |
106 | if ((s->flags & SEC_DATA) == 0) | |
107 | return NULL; | |
108 | ||
109 | if (hold_data.os == NULL) | |
110 | hold_data.os = lang_output_section_find (hold_data.name); | |
111 | ||
112 | if (hold_data.os != NULL) | |
113 | { | |
114 | lang_add_section (&hold_data.os->children, s, hold_data.os); | |
115 | return hold_data.os; | |
116 | } | |
117 | else | |
118 | return NULL; | |
119 | } | |
120 | EOF | |
121 | ||
122 | LDEMUL_PLACE_ORPHAN=vms_place_orphan | |
123 | LDEMUL_BEFORE_PARSE=gld"$EMULATION_NAME"_before_parse | |
124 | LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=gld"$EMULATION_NAME"_create_output_section_statements | |
125 | LDEMUL_FIND_POTENTIAL_LIBRARIES=gld"$EMULATION_NAME"_find_potential_libraries | |
126 | LDEMUL_OPEN_DYNAMIC_ARCHIVE=gld"$EMULATION_NAME"_open_dynamic_archive |