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, 59 Temple Place - Suite 330, Boston, MA
35 #include "ldemul-list.h"
37 static ld_emulation_xfer_type *ld_emulation;
40 ldemul_hll (char *name)
42 ld_emulation->hll (name);
46 ldemul_syslib (char *name)
48 ld_emulation->syslib (name);
52 ldemul_after_parse (void)
54 ld_emulation->after_parse ();
58 ldemul_before_parse (void)
60 ld_emulation->before_parse ();
64 ldemul_after_open (void)
66 ld_emulation->after_open ();
70 ldemul_after_allocation (void)
72 ld_emulation->after_allocation ();
76 ldemul_before_allocation (void)
78 if (ld_emulation->before_allocation)
79 ld_emulation->before_allocation ();
83 ldemul_set_output_arch (void)
85 ld_emulation->set_output_arch ();
91 if (ld_emulation->finish)
92 ld_emulation->finish ();
96 ldemul_set_symbols (void)
98 if (ld_emulation->set_symbols)
99 ld_emulation->set_symbols ();
103 ldemul_create_output_section_statements (void)
105 if (ld_emulation->create_output_section_statements)
106 ld_emulation->create_output_section_statements ();
110 ldemul_get_script (int *isfile)
112 return ld_emulation->get_script (isfile);
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);
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);
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);
143 ldemul_handle_option (int optc)
145 if (ld_emulation->handle_option)
146 return (*ld_emulation->handle_option) (optc);
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);
159 /* Let the emulation code handle an unrecognized file. */
162 ldemul_unrecognized_file (lang_input_statement_type *entry)
164 if (ld_emulation->unrecognized_file)
165 return (*ld_emulation->unrecognized_file) (entry);
169 /* Let the emulation code handle a recognized file. */
172 ldemul_recognized_file (lang_input_statement_type *entry)
174 if (ld_emulation->recognized_file)
175 return (*ld_emulation->recognized_file) (entry);
180 ldemul_choose_target (int argc, char **argv)
182 return ld_emulation->choose_target (argc, argv);
186 /* The default choose_target function. */
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)
194 return ld_emulation->target_name;
198 after_parse_default (void)
203 after_open_default (void)
208 after_allocation_default (void)
213 before_allocation_default (void)
218 set_output_arch_default (void)
220 /* Set the output architecture and machine if possible. */
221 bfd_set_arch_mach (output_bfd,
222 ldfile_output_architecture, ldfile_output_machine);
226 syslib_default (char *ignore ATTRIBUTE_UNUSED)
228 info_msg (_("%S SYSLIB ignored\n"));
232 hll_default (char *ignore ATTRIBUTE_UNUSED)
234 info_msg (_("%S HLL ignored\n"));
237 ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST };
240 ldemul_choose_mode (char *target)
242 ld_emulation_xfer_type **eptr = ld_emulations;
243 /* Ignore "gld" prefix. */
244 if (target[0] == 'g' && target[1] == 'l' && target[2] == 'd')
246 for (; *eptr; eptr++)
248 if (strcmp (target, (*eptr)->emulation_name) == 0)
250 ld_emulation = *eptr;
254 einfo (_("%P: unrecognised emulation mode: %s\n"), target);
255 einfo (_("Supported emulations: "));
256 ldemul_list_emulations (stderr);
261 ldemul_list_emulations (FILE *f)
263 ld_emulation_xfer_type **eptr = ld_emulations;
264 bfd_boolean first = TRUE;
266 for (; *eptr; eptr++)
272 fprintf (f, "%s", (*eptr)->emulation_name);
277 ldemul_list_emulation_options (FILE *f)
279 ld_emulation_xfer_type **eptr;
280 int options_found = 0;
282 for (eptr = ld_emulations; *eptr; eptr++)
284 ld_emulation_xfer_type *emul = *eptr;
286 if (emul->list_options)
288 fprintf (f, "%s: \n", emul->emulation_name);
290 emul->list_options (f);
297 fprintf (f, _(" no emulation specific options.\n"));
301 ldemul_find_potential_libraries (char *name, lang_input_statement_type *entry)
303 if (ld_emulation->find_potential_libraries)
304 return ld_emulation->find_potential_libraries (name, entry);
309 struct bfd_elf_version_expr *
310 ldemul_new_vers_pattern (struct bfd_elf_version_expr *entry)
312 if (ld_emulation->new_vers_pattern)
313 entry = (*ld_emulation->new_vers_pattern) (entry);