1 /* ldemul.c -- clearing house for ld emulation states
2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2002, 2003
3 Free Software Foundation, Inc.
5 This file is part of GLD, the Gnu Linker.
7 GLD 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 2, or (at your option)
12 GLD 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.
17 You should have received a copy of the GNU General Public License
18 along with GLD; see the file COPYING. If not, write to the Free
19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
33 #include "ldemul-list.h"
35 ld_emulation_xfer_type *ld_emulation;
38 ldemul_hll (char *name)
40 ld_emulation->hll (name);
44 ldemul_syslib (char *name)
46 ld_emulation->syslib (name);
50 ldemul_after_parse (void)
52 ld_emulation->after_parse ();
56 ldemul_before_parse (void)
58 ld_emulation->before_parse ();
62 ldemul_after_open (void)
64 ld_emulation->after_open ();
68 ldemul_after_allocation (void)
70 ld_emulation->after_allocation ();
74 ldemul_before_allocation (void)
76 if (ld_emulation->before_allocation)
77 ld_emulation->before_allocation ();
81 ldemul_set_output_arch (void)
83 ld_emulation->set_output_arch ();
89 if (ld_emulation->finish)
90 ld_emulation->finish ();
94 ldemul_set_symbols (void)
96 if (ld_emulation->set_symbols)
97 ld_emulation->set_symbols ();
101 ldemul_create_output_section_statements (void)
103 if (ld_emulation->create_output_section_statements)
104 ld_emulation->create_output_section_statements ();
108 ldemul_get_script (int *isfile)
110 return ld_emulation->get_script (isfile);
114 ldemul_open_dynamic_archive (const char *arch, search_dirs_type *search,
115 lang_input_statement_type *entry)
117 if (ld_emulation->open_dynamic_archive)
118 return (*ld_emulation->open_dynamic_archive) (arch, search, entry);
123 ldemul_place_orphan (lang_input_statement_type *file, asection *s)
125 if (ld_emulation->place_orphan)
126 return (*ld_emulation->place_orphan) (file, s);
131 ldemul_add_options (int ns, char **shortopts, int nl,
132 struct option **longopts, int nrl,
133 struct option **really_longopts)
135 if (ld_emulation->add_options)
136 (*ld_emulation->add_options) (ns, shortopts, nl, longopts,
137 nrl, really_longopts);
141 ldemul_handle_option (int optc)
143 if (ld_emulation->handle_option)
144 return (*ld_emulation->handle_option) (optc);
149 ldemul_parse_args (int argc, char **argv)
151 /* Try and use the emulation parser if there is one. */
152 if (ld_emulation->parse_args)
153 return (*ld_emulation->parse_args) (argc, argv);
157 /* Let the emulation code handle an unrecognized file. */
160 ldemul_unrecognized_file (lang_input_statement_type *entry)
162 if (ld_emulation->unrecognized_file)
163 return (*ld_emulation->unrecognized_file) (entry);
167 /* Let the emulation code handle a recognized file. */
170 ldemul_recognized_file (lang_input_statement_type *entry)
172 if (ld_emulation->recognized_file)
173 return (*ld_emulation->recognized_file) (entry);
178 ldemul_choose_target (int argc, char **argv)
180 return ld_emulation->choose_target (argc, argv);
184 /* The default choose_target function. */
187 ldemul_default_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
189 char *from_outside = getenv (TARGET_ENVIRON);
190 if (from_outside != (char *) NULL)
192 return ld_emulation->target_name;
196 after_parse_default (void)
201 after_open_default (void)
206 after_allocation_default (void)
211 before_allocation_default (void)
216 set_output_arch_default (void)
218 /* Set the output architecture and machine if possible. */
219 bfd_set_arch_mach (output_bfd,
220 ldfile_output_architecture, ldfile_output_machine);
224 syslib_default (char *ignore ATTRIBUTE_UNUSED)
226 info_msg (_("%S SYSLIB ignored\n"));
230 hll_default (char *ignore ATTRIBUTE_UNUSED)
232 info_msg (_("%S HLL ignored\n"));
235 ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST };
238 ldemul_choose_mode (char *target)
240 ld_emulation_xfer_type **eptr = ld_emulations;
241 /* Ignore "gld" prefix. */
242 if (target[0] == 'g' && target[1] == 'l' && target[2] == 'd')
244 for (; *eptr; eptr++)
246 if (strcmp (target, (*eptr)->emulation_name) == 0)
248 ld_emulation = *eptr;
252 einfo (_("%P: unrecognised emulation mode: %s\n"), target);
253 einfo (_("Supported emulations: "));
254 ldemul_list_emulations (stderr);
259 ldemul_list_emulations (FILE *f)
261 ld_emulation_xfer_type **eptr = ld_emulations;
262 bfd_boolean first = TRUE;
264 for (; *eptr; eptr++)
270 fprintf (f, "%s", (*eptr)->emulation_name);
275 ldemul_list_emulation_options (FILE *f)
277 ld_emulation_xfer_type **eptr;
278 int options_found = 0;
280 for (eptr = ld_emulations; *eptr; eptr++)
282 ld_emulation_xfer_type *emul = *eptr;
284 if (emul->list_options)
286 fprintf (f, "%s: \n", emul->emulation_name);
288 emul->list_options (f);
295 fprintf (f, _(" no emulation specific options.\n"));
299 ldemul_find_potential_libraries (char *name, lang_input_statement_type *entry)
301 if (ld_emulation->find_potential_libraries)
302 return ld_emulation->find_potential_libraries (name, entry);
307 struct bfd_elf_version_expr *
308 ldemul_new_vers_pattern (struct bfd_elf_version_expr *entry)
310 if (ld_emulation->new_vers_pattern)
311 entry = (*ld_emulation->new_vers_pattern) (entry);