1 /* ldemul.c -- clearing house for ld emulation states
2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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)
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
36 #include "ldemul-list.h"
38 static ld_emulation_xfer_type *ld_emulation;
41 ldemul_hll (char *name)
43 ld_emulation->hll (name);
47 ldemul_syslib (char *name)
49 ld_emulation->syslib (name);
53 ldemul_after_parse (void)
55 ld_emulation->after_parse ();
59 ldemul_before_parse (void)
61 ld_emulation->before_parse ();
65 ldemul_after_open (void)
67 ld_emulation->after_open ();
71 ldemul_after_allocation (void)
73 ld_emulation->after_allocation ();
77 ldemul_before_allocation (void)
79 ld_emulation->before_allocation ();
83 ldemul_do_assignments (void)
85 ld_emulation->do_assignments ();
89 ldemul_set_output_arch (void)
91 ld_emulation->set_output_arch ();
97 ld_emulation->finish ();
101 ldemul_set_symbols (void)
103 if (ld_emulation->set_symbols)
104 ld_emulation->set_symbols ();
108 ldemul_create_output_section_statements (void)
110 if (ld_emulation->create_output_section_statements)
111 ld_emulation->create_output_section_statements ();
115 ldemul_get_script (int *isfile)
117 return ld_emulation->get_script (isfile);
121 ldemul_open_dynamic_archive (const char *arch, search_dirs_type *search,
122 lang_input_statement_type *entry)
124 if (ld_emulation->open_dynamic_archive)
125 return (*ld_emulation->open_dynamic_archive) (arch, search, entry);
130 ldemul_place_orphan (lang_input_statement_type *file, asection *s)
132 if (ld_emulation->place_orphan)
133 return (*ld_emulation->place_orphan) (file, s);
138 ldemul_add_options (int ns, char **shortopts, int nl,
139 struct option **longopts, int nrl,
140 struct option **really_longopts)
142 if (ld_emulation->add_options)
143 (*ld_emulation->add_options) (ns, shortopts, nl, longopts,
144 nrl, really_longopts);
148 ldemul_handle_option (int optc)
150 if (ld_emulation->handle_option)
151 return (*ld_emulation->handle_option) (optc);
156 ldemul_parse_args (int argc, char **argv)
158 /* Try and use the emulation parser if there is one. */
159 if (ld_emulation->parse_args)
160 return (*ld_emulation->parse_args) (argc, argv);
164 /* Let the emulation code handle an unrecognized file. */
167 ldemul_unrecognized_file (lang_input_statement_type *entry)
169 if (ld_emulation->unrecognized_file)
170 return (*ld_emulation->unrecognized_file) (entry);
174 /* Let the emulation code handle a recognized file. */
177 ldemul_recognized_file (lang_input_statement_type *entry)
179 if (ld_emulation->recognized_file)
180 return (*ld_emulation->recognized_file) (entry);
185 ldemul_choose_target (int argc, char **argv)
187 return ld_emulation->choose_target (argc, argv);
191 /* The default choose_target function. */
194 ldemul_default_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
196 char *from_outside = getenv (TARGET_ENVIRON);
197 if (from_outside != (char *) NULL)
199 return ld_emulation->target_name;
203 after_parse_default (void)
208 after_open_default (void)
213 after_allocation_default (void)
218 before_allocation_default (void)
220 if (!link_info.relocatable)
221 strip_excluded_output_sections ();
225 do_assignments_default (void)
230 finish_default (void)
232 if (!link_info.relocatable)
233 _bfd_fix_excluded_sec_syms (output_bfd, &link_info);
237 set_output_arch_default (void)
239 /* Set the output architecture and machine if possible. */
240 bfd_set_arch_mach (output_bfd,
241 ldfile_output_architecture, ldfile_output_machine);
245 syslib_default (char *ignore ATTRIBUTE_UNUSED)
247 info_msg (_("%S SYSLIB ignored\n"));
251 hll_default (char *ignore ATTRIBUTE_UNUSED)
253 info_msg (_("%S HLL ignored\n"));
256 ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST };
259 ldemul_choose_mode (char *target)
261 ld_emulation_xfer_type **eptr = ld_emulations;
262 /* Ignore "gld" prefix. */
263 if (target[0] == 'g' && target[1] == 'l' && target[2] == 'd')
265 for (; *eptr; eptr++)
267 if (strcmp (target, (*eptr)->emulation_name) == 0)
269 ld_emulation = *eptr;
273 einfo (_("%P: unrecognised emulation mode: %s\n"), target);
274 einfo (_("Supported emulations: "));
275 ldemul_list_emulations (stderr);
280 ldemul_list_emulations (FILE *f)
282 ld_emulation_xfer_type **eptr = ld_emulations;
283 bfd_boolean first = TRUE;
285 for (; *eptr; eptr++)
291 fprintf (f, "%s", (*eptr)->emulation_name);
296 ldemul_list_emulation_options (FILE *f)
298 ld_emulation_xfer_type **eptr;
299 int options_found = 0;
301 for (eptr = ld_emulations; *eptr; eptr++)
303 ld_emulation_xfer_type *emul = *eptr;
305 if (emul->list_options)
307 fprintf (f, "%s: \n", emul->emulation_name);
309 emul->list_options (f);
316 fprintf (f, _(" no emulation specific options.\n"));
320 ldemul_find_potential_libraries (char *name, lang_input_statement_type *entry)
322 if (ld_emulation->find_potential_libraries)
323 return ld_emulation->find_potential_libraries (name, entry);
328 struct bfd_elf_version_expr *
329 ldemul_new_vers_pattern (struct bfd_elf_version_expr *entry)
331 if (ld_emulation->new_vers_pattern)
332 entry = (*ld_emulation->new_vers_pattern) (entry);