Commit | Line | Data |
---|---|---|
252b5132 | 1 | /* ldemul.c -- clearing house for ld emulation states |
aef6203b | 2 | Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, |
8423293d | 3 | 2001, 2002, 2003, 2005 |
87f2a346 | 4 | Free Software Foundation, Inc. |
252b5132 RH |
5 | |
6 | This file is part of GLD, the Gnu Linker. | |
7 | ||
8 | GLD is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2, or (at your option) | |
11 | any later version. | |
12 | ||
13 | GLD is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
4de2d33d | 19 | along with GLD; see the file COPYING. If not, write to the Free |
75be928b NC |
20 | Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA |
21 | 02110-1301, USA. */ | |
252b5132 | 22 | |
34875e64 | 23 | #include "config.h" |
252b5132 RH |
24 | #include "bfd.h" |
25 | #include "sysdep.h" | |
fcf65871 | 26 | #include "getopt.h" |
8423293d | 27 | #include "bfdlink.h" |
252b5132 RH |
28 | |
29 | #include "ld.h" | |
252b5132 RH |
30 | #include "ldmisc.h" |
31 | #include "ldexp.h" | |
32 | #include "ldlang.h" | |
33 | #include "ldfile.h" | |
b71e2778 | 34 | #include "ldemul.h" |
252b5132 RH |
35 | #include "ldmain.h" |
36 | #include "ldemul-list.h" | |
37 | ||
279e75dc | 38 | static ld_emulation_xfer_type *ld_emulation; |
252b5132 RH |
39 | |
40 | void | |
62b635b6 | 41 | ldemul_hll (char *name) |
252b5132 | 42 | { |
4de2d33d | 43 | ld_emulation->hll (name); |
252b5132 RH |
44 | } |
45 | ||
4de2d33d | 46 | void |
62b635b6 | 47 | ldemul_syslib (char *name) |
252b5132 | 48 | { |
4de2d33d | 49 | ld_emulation->syslib (name); |
252b5132 RH |
50 | } |
51 | ||
52 | void | |
62b635b6 | 53 | ldemul_after_parse (void) |
252b5132 | 54 | { |
4de2d33d | 55 | ld_emulation->after_parse (); |
252b5132 RH |
56 | } |
57 | ||
58 | void | |
62b635b6 | 59 | ldemul_before_parse (void) |
252b5132 | 60 | { |
4de2d33d | 61 | ld_emulation->before_parse (); |
252b5132 RH |
62 | } |
63 | ||
64 | void | |
62b635b6 | 65 | ldemul_after_open (void) |
252b5132 RH |
66 | { |
67 | ld_emulation->after_open (); | |
68 | } | |
69 | ||
4de2d33d | 70 | void |
62b635b6 | 71 | ldemul_after_allocation (void) |
252b5132 | 72 | { |
4de2d33d | 73 | ld_emulation->after_allocation (); |
252b5132 RH |
74 | } |
75 | ||
4de2d33d | 76 | void |
62b635b6 | 77 | ldemul_before_allocation (void) |
252b5132 | 78 | { |
8423293d | 79 | ld_emulation->before_allocation (); |
252b5132 RH |
80 | } |
81 | ||
252b5132 | 82 | void |
62b635b6 | 83 | ldemul_set_output_arch (void) |
252b5132 | 84 | { |
4de2d33d | 85 | ld_emulation->set_output_arch (); |
252b5132 RH |
86 | } |
87 | ||
88 | void | |
62b635b6 | 89 | ldemul_finish (void) |
252b5132 RH |
90 | { |
91 | if (ld_emulation->finish) | |
4de2d33d | 92 | ld_emulation->finish (); |
252b5132 RH |
93 | } |
94 | ||
95 | void | |
62b635b6 | 96 | ldemul_set_symbols (void) |
252b5132 RH |
97 | { |
98 | if (ld_emulation->set_symbols) | |
4de2d33d | 99 | ld_emulation->set_symbols (); |
252b5132 RH |
100 | } |
101 | ||
102 | void | |
62b635b6 | 103 | ldemul_create_output_section_statements (void) |
252b5132 RH |
104 | { |
105 | if (ld_emulation->create_output_section_statements) | |
4de2d33d | 106 | ld_emulation->create_output_section_statements (); |
252b5132 RH |
107 | } |
108 | ||
109 | char * | |
62b635b6 | 110 | ldemul_get_script (int *isfile) |
252b5132 | 111 | { |
4de2d33d | 112 | return ld_emulation->get_script (isfile); |
252b5132 RH |
113 | } |
114 | ||
b34976b6 | 115 | bfd_boolean |
62b635b6 KH |
116 | ldemul_open_dynamic_archive (const char *arch, search_dirs_type *search, |
117 | lang_input_statement_type *entry) | |
252b5132 RH |
118 | { |
119 | if (ld_emulation->open_dynamic_archive) | |
120 | return (*ld_emulation->open_dynamic_archive) (arch, search, entry); | |
b34976b6 | 121 | return FALSE; |
252b5132 RH |
122 | } |
123 | ||
b34976b6 | 124 | bfd_boolean |
62b635b6 | 125 | ldemul_place_orphan (lang_input_statement_type *file, asection *s) |
252b5132 RH |
126 | { |
127 | if (ld_emulation->place_orphan) | |
128 | return (*ld_emulation->place_orphan) (file, s); | |
b34976b6 | 129 | return FALSE; |
252b5132 RH |
130 | } |
131 | ||
3bcf5557 | 132 | void |
62b635b6 KH |
133 | ldemul_add_options (int ns, char **shortopts, int nl, |
134 | struct option **longopts, int nrl, | |
135 | struct option **really_longopts) | |
3bcf5557 AM |
136 | { |
137 | if (ld_emulation->add_options) | |
138 | (*ld_emulation->add_options) (ns, shortopts, nl, longopts, | |
139 | nrl, really_longopts); | |
140 | } | |
141 | ||
142 | bfd_boolean | |
62b635b6 | 143 | ldemul_handle_option (int optc) |
3bcf5557 AM |
144 | { |
145 | if (ld_emulation->handle_option) | |
146 | return (*ld_emulation->handle_option) (optc); | |
147 | return FALSE; | |
148 | } | |
149 | ||
150 | bfd_boolean | |
62b635b6 | 151 | ldemul_parse_args (int argc, char **argv) |
252b5132 | 152 | { |
4de2d33d | 153 | /* Try and use the emulation parser if there is one. */ |
252b5132 | 154 | if (ld_emulation->parse_args) |
3bcf5557 | 155 | return (*ld_emulation->parse_args) (argc, argv); |
3aa97c58 | 156 | return FALSE; |
252b5132 RH |
157 | } |
158 | ||
159 | /* Let the emulation code handle an unrecognized file. */ | |
160 | ||
b34976b6 | 161 | bfd_boolean |
62b635b6 | 162 | ldemul_unrecognized_file (lang_input_statement_type *entry) |
252b5132 RH |
163 | { |
164 | if (ld_emulation->unrecognized_file) | |
165 | return (*ld_emulation->unrecognized_file) (entry); | |
b34976b6 | 166 | return FALSE; |
252b5132 RH |
167 | } |
168 | ||
169 | /* Let the emulation code handle a recognized file. */ | |
170 | ||
b34976b6 | 171 | bfd_boolean |
62b635b6 | 172 | ldemul_recognized_file (lang_input_statement_type *entry) |
252b5132 RH |
173 | { |
174 | if (ld_emulation->recognized_file) | |
175 | return (*ld_emulation->recognized_file) (entry); | |
b34976b6 | 176 | return FALSE; |
252b5132 RH |
177 | } |
178 | ||
179 | char * | |
62b635b6 | 180 | ldemul_choose_target (int argc, char **argv) |
252b5132 | 181 | { |
742aeb63 | 182 | return ld_emulation->choose_target (argc, argv); |
252b5132 RH |
183 | } |
184 | ||
742aeb63 | 185 | |
252b5132 RH |
186 | /* The default choose_target function. */ |
187 | ||
188 | char * | |
62b635b6 | 189 | ldemul_default_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED) |
252b5132 RH |
190 | { |
191 | char *from_outside = getenv (TARGET_ENVIRON); | |
4de2d33d | 192 | if (from_outside != (char *) NULL) |
252b5132 RH |
193 | return from_outside; |
194 | return ld_emulation->target_name; | |
195 | } | |
196 | ||
4de2d33d | 197 | void |
62b635b6 | 198 | after_parse_default (void) |
252b5132 | 199 | { |
252b5132 RH |
200 | } |
201 | ||
202 | void | |
62b635b6 | 203 | after_open_default (void) |
252b5132 RH |
204 | { |
205 | } | |
206 | ||
207 | void | |
62b635b6 | 208 | after_allocation_default (void) |
252b5132 | 209 | { |
252b5132 RH |
210 | } |
211 | ||
212 | void | |
62b635b6 | 213 | before_allocation_default (void) |
252b5132 | 214 | { |
8423293d AM |
215 | if (!link_info.relocatable) |
216 | strip_excluded_output_sections (); | |
252b5132 RH |
217 | } |
218 | ||
219 | void | |
62b635b6 | 220 | set_output_arch_default (void) |
252b5132 | 221 | { |
4de2d33d KH |
222 | /* Set the output architecture and machine if possible. */ |
223 | bfd_set_arch_mach (output_bfd, | |
224 | ldfile_output_architecture, ldfile_output_machine); | |
252b5132 RH |
225 | } |
226 | ||
252b5132 | 227 | void |
62b635b6 | 228 | syslib_default (char *ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
229 | { |
230 | info_msg (_("%S SYSLIB ignored\n")); | |
231 | } | |
232 | ||
252b5132 | 233 | void |
62b635b6 | 234 | hll_default (char *ignore ATTRIBUTE_UNUSED) |
252b5132 RH |
235 | { |
236 | info_msg (_("%S HLL ignored\n")); | |
237 | } | |
238 | ||
239 | ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST }; | |
240 | ||
241 | void | |
62b635b6 | 242 | ldemul_choose_mode (char *target) |
252b5132 | 243 | { |
4de2d33d KH |
244 | ld_emulation_xfer_type **eptr = ld_emulations; |
245 | /* Ignore "gld" prefix. */ | |
246 | if (target[0] == 'g' && target[1] == 'l' && target[2] == 'd') | |
247 | target += 3; | |
248 | for (; *eptr; eptr++) | |
249 | { | |
250 | if (strcmp (target, (*eptr)->emulation_name) == 0) | |
251 | { | |
252 | ld_emulation = *eptr; | |
253 | return; | |
254 | } | |
255 | } | |
256 | einfo (_("%P: unrecognised emulation mode: %s\n"), target); | |
257 | einfo (_("Supported emulations: ")); | |
258 | ldemul_list_emulations (stderr); | |
259 | einfo ("%F\n"); | |
252b5132 RH |
260 | } |
261 | ||
262 | void | |
62b635b6 | 263 | ldemul_list_emulations (FILE *f) |
252b5132 RH |
264 | { |
265 | ld_emulation_xfer_type **eptr = ld_emulations; | |
b34976b6 | 266 | bfd_boolean first = TRUE; |
252b5132 RH |
267 | |
268 | for (; *eptr; eptr++) | |
269 | { | |
270 | if (first) | |
b34976b6 | 271 | first = FALSE; |
252b5132 RH |
272 | else |
273 | fprintf (f, " "); | |
274 | fprintf (f, "%s", (*eptr)->emulation_name); | |
275 | } | |
276 | } | |
277 | ||
278 | void | |
62b635b6 | 279 | ldemul_list_emulation_options (FILE *f) |
252b5132 | 280 | { |
4de2d33d | 281 | ld_emulation_xfer_type **eptr; |
252b5132 | 282 | int options_found = 0; |
4de2d33d KH |
283 | |
284 | for (eptr = ld_emulations; *eptr; eptr++) | |
252b5132 | 285 | { |
4de2d33d KH |
286 | ld_emulation_xfer_type *emul = *eptr; |
287 | ||
252b5132 RH |
288 | if (emul->list_options) |
289 | { | |
290 | fprintf (f, "%s: \n", emul->emulation_name); | |
4de2d33d | 291 | |
252b5132 RH |
292 | emul->list_options (f); |
293 | ||
294 | options_found = 1; | |
295 | } | |
296 | } | |
4de2d33d | 297 | |
252b5132 RH |
298 | if (! options_found) |
299 | fprintf (f, _(" no emulation specific options.\n")); | |
300 | } | |
344a211f NC |
301 | |
302 | int | |
62b635b6 | 303 | ldemul_find_potential_libraries (char *name, lang_input_statement_type *entry) |
344a211f NC |
304 | { |
305 | if (ld_emulation->find_potential_libraries) | |
306 | return ld_emulation->find_potential_libraries (name, entry); | |
307 | ||
308 | return 0; | |
309 | } | |
fac1652d AM |
310 | |
311 | struct bfd_elf_version_expr * | |
62b635b6 | 312 | ldemul_new_vers_pattern (struct bfd_elf_version_expr *entry) |
fac1652d AM |
313 | { |
314 | if (ld_emulation->new_vers_pattern) | |
315 | entry = (*ld_emulation->new_vers_pattern) (entry); | |
316 | return entry; | |
317 | } |