* elf32-ppc.c (LWZU_0_X_11): Delete.
[binutils.git] / ld / ldemul.c
blob8e6669dce23cebf6f1cf73b10055e1ef0592a93d
1 /* ldemul.c -- clearing house for ld emulation states
2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2005
4 Free Software Foundation, Inc.
6 This file is part of GLD, the Gnu Linker.
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.
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.
18 You should have received a copy of the GNU General Public License
19 along with GLD; see the file COPYING. If not, write to the Free
20 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
21 02110-1301, USA. */
23 #include "config.h"
24 #include "bfd.h"
25 #include "sysdep.h"
26 #include "getopt.h"
27 #include "bfdlink.h"
29 #include "ld.h"
30 #include "ldmisc.h"
31 #include "ldexp.h"
32 #include "ldlang.h"
33 #include "ldfile.h"
34 #include "ldemul.h"
35 #include "ldmain.h"
36 #include "ldemul-list.h"
38 static ld_emulation_xfer_type *ld_emulation;
40 void
41 ldemul_hll (char *name)
43 ld_emulation->hll (name);
46 void
47 ldemul_syslib (char *name)
49 ld_emulation->syslib (name);
52 void
53 ldemul_after_parse (void)
55 ld_emulation->after_parse ();
58 void
59 ldemul_before_parse (void)
61 ld_emulation->before_parse ();
64 void
65 ldemul_after_open (void)
67 ld_emulation->after_open ();
70 void
71 ldemul_after_allocation (void)
73 ld_emulation->after_allocation ();
76 void
77 ldemul_before_allocation (void)
79 ld_emulation->before_allocation ();
82 void
83 ldemul_set_output_arch (void)
85 ld_emulation->set_output_arch ();
88 void
89 ldemul_finish (void)
91 if (ld_emulation->finish)
92 ld_emulation->finish ();
95 void
96 ldemul_set_symbols (void)
98 if (ld_emulation->set_symbols)
99 ld_emulation->set_symbols ();
102 void
103 ldemul_create_output_section_statements (void)
105 if (ld_emulation->create_output_section_statements)
106 ld_emulation->create_output_section_statements ();
109 char *
110 ldemul_get_script (int *isfile)
112 return ld_emulation->get_script (isfile);
115 bfd_boolean
116 ldemul_open_dynamic_archive (const char *arch, search_dirs_type *search,
117 lang_input_statement_type *entry)
119 if (ld_emulation->open_dynamic_archive)
120 return (*ld_emulation->open_dynamic_archive) (arch, search, entry);
121 return FALSE;
124 bfd_boolean
125 ldemul_place_orphan (lang_input_statement_type *file, asection *s)
127 if (ld_emulation->place_orphan)
128 return (*ld_emulation->place_orphan) (file, s);
129 return FALSE;
132 void
133 ldemul_add_options (int ns, char **shortopts, int nl,
134 struct option **longopts, int nrl,
135 struct option **really_longopts)
137 if (ld_emulation->add_options)
138 (*ld_emulation->add_options) (ns, shortopts, nl, longopts,
139 nrl, really_longopts);
142 bfd_boolean
143 ldemul_handle_option (int optc)
145 if (ld_emulation->handle_option)
146 return (*ld_emulation->handle_option) (optc);
147 return FALSE;
150 bfd_boolean
151 ldemul_parse_args (int argc, char **argv)
153 /* Try and use the emulation parser if there is one. */
154 if (ld_emulation->parse_args)
155 return (*ld_emulation->parse_args) (argc, argv);
156 return FALSE;
159 /* Let the emulation code handle an unrecognized file. */
161 bfd_boolean
162 ldemul_unrecognized_file (lang_input_statement_type *entry)
164 if (ld_emulation->unrecognized_file)
165 return (*ld_emulation->unrecognized_file) (entry);
166 return FALSE;
169 /* Let the emulation code handle a recognized file. */
171 bfd_boolean
172 ldemul_recognized_file (lang_input_statement_type *entry)
174 if (ld_emulation->recognized_file)
175 return (*ld_emulation->recognized_file) (entry);
176 return FALSE;
179 char *
180 ldemul_choose_target (int argc, char **argv)
182 return ld_emulation->choose_target (argc, argv);
186 /* The default choose_target function. */
188 char *
189 ldemul_default_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
191 char *from_outside = getenv (TARGET_ENVIRON);
192 if (from_outside != (char *) NULL)
193 return from_outside;
194 return ld_emulation->target_name;
197 void
198 after_parse_default (void)
202 void
203 after_open_default (void)
207 void
208 after_allocation_default (void)
212 void
213 before_allocation_default (void)
215 if (!link_info.relocatable)
216 strip_excluded_output_sections ();
219 void
220 set_output_arch_default (void)
222 /* Set the output architecture and machine if possible. */
223 bfd_set_arch_mach (output_bfd,
224 ldfile_output_architecture, ldfile_output_machine);
227 void
228 syslib_default (char *ignore ATTRIBUTE_UNUSED)
230 info_msg (_("%S SYSLIB ignored\n"));
233 void
234 hll_default (char *ignore ATTRIBUTE_UNUSED)
236 info_msg (_("%S HLL ignored\n"));
239 ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST };
241 void
242 ldemul_choose_mode (char *target)
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++)
250 if (strcmp (target, (*eptr)->emulation_name) == 0)
252 ld_emulation = *eptr;
253 return;
256 einfo (_("%P: unrecognised emulation mode: %s\n"), target);
257 einfo (_("Supported emulations: "));
258 ldemul_list_emulations (stderr);
259 einfo ("%F\n");
262 void
263 ldemul_list_emulations (FILE *f)
265 ld_emulation_xfer_type **eptr = ld_emulations;
266 bfd_boolean first = TRUE;
268 for (; *eptr; eptr++)
270 if (first)
271 first = FALSE;
272 else
273 fprintf (f, " ");
274 fprintf (f, "%s", (*eptr)->emulation_name);
278 void
279 ldemul_list_emulation_options (FILE *f)
281 ld_emulation_xfer_type **eptr;
282 int options_found = 0;
284 for (eptr = ld_emulations; *eptr; eptr++)
286 ld_emulation_xfer_type *emul = *eptr;
288 if (emul->list_options)
290 fprintf (f, "%s: \n", emul->emulation_name);
292 emul->list_options (f);
294 options_found = 1;
298 if (! options_found)
299 fprintf (f, _(" no emulation specific options.\n"));
303 ldemul_find_potential_libraries (char *name, lang_input_statement_type *entry)
305 if (ld_emulation->find_potential_libraries)
306 return ld_emulation->find_potential_libraries (name, entry);
308 return 0;
311 struct bfd_elf_version_expr *
312 ldemul_new_vers_pattern (struct bfd_elf_version_expr *entry)
314 if (ld_emulation->new_vers_pattern)
315 entry = (*ld_emulation->new_vers_pattern) (entry);
316 return entry;