1 /* ldemul.c -- clearing house for ld emulation states
2 Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 99, 2000
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
32 #include "ldemul-list.h"
34 ld_emulation_xfer_type *ld_emulation;
40 ld_emulation->hll (name);
47 ld_emulation->syslib (name);
53 ld_emulation->after_parse ();
57 ldemul_before_parse ()
59 ld_emulation->before_parse ();
65 ld_emulation->after_open ();
69 ldemul_after_allocation ()
71 ld_emulation->after_allocation ();
75 ldemul_before_allocation ()
77 if (ld_emulation->before_allocation)
78 ld_emulation->before_allocation ();
82 ldemul_set_output_arch ()
84 ld_emulation->set_output_arch ();
90 if (ld_emulation->finish)
91 ld_emulation->finish ();
97 if (ld_emulation->set_symbols)
98 ld_emulation->set_symbols ();
102 ldemul_create_output_section_statements ()
104 if (ld_emulation->create_output_section_statements)
105 ld_emulation->create_output_section_statements ();
109 ldemul_get_script (isfile)
112 return ld_emulation->get_script (isfile);
116 ldemul_open_dynamic_archive (arch, search, entry)
118 search_dirs_type *search;
119 lang_input_statement_type *entry;
121 if (ld_emulation->open_dynamic_archive)
122 return (*ld_emulation->open_dynamic_archive) (arch, search, entry);
127 ldemul_place_orphan (file, s)
128 lang_input_statement_type *file;
131 if (ld_emulation->place_orphan)
132 return (*ld_emulation->place_orphan) (file, s);
137 ldemul_parse_args (argc, argv)
141 /* Try and use the emulation parser if there is one. */
142 if (ld_emulation->parse_args)
144 return ld_emulation->parse_args (argc, argv);
149 /* Let the emulation code handle an unrecognized file. */
152 ldemul_unrecognized_file (entry)
153 lang_input_statement_type *entry;
155 if (ld_emulation->unrecognized_file)
156 return (*ld_emulation->unrecognized_file) (entry);
160 /* Let the emulation code handle a recognized file. */
163 ldemul_recognized_file (entry)
164 lang_input_statement_type *entry;
166 if (ld_emulation->recognized_file)
167 return (*ld_emulation->recognized_file) (entry);
172 ldemul_choose_target ()
174 return ld_emulation->choose_target ();
177 /* The default choose_target function. */
180 ldemul_default_target ()
182 char *from_outside = getenv (TARGET_ENVIRON);
183 if (from_outside != (char *) NULL)
185 return ld_emulation->target_name;
189 after_parse_default ()
195 after_open_default ()
200 after_allocation_default ()
206 before_allocation_default ()
212 set_output_arch_default ()
214 /* Set the output architecture and machine if possible. */
215 bfd_set_arch_mach (output_bfd,
216 ldfile_output_architecture, ldfile_output_machine);
220 syslib_default (ignore)
221 char *ignore ATTRIBUTE_UNUSED;
223 info_msg (_("%S SYSLIB ignored\n"));
228 char *ignore ATTRIBUTE_UNUSED;
230 info_msg (_("%S HLL ignored\n"));
233 ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST };
236 ldemul_choose_mode (target)
239 ld_emulation_xfer_type **eptr = ld_emulations;
240 /* Ignore "gld" prefix. */
241 if (target[0] == 'g' && target[1] == 'l' && target[2] == 'd')
243 for (; *eptr; eptr++)
245 if (strcmp (target, (*eptr)->emulation_name) == 0)
247 ld_emulation = *eptr;
251 einfo (_("%P: unrecognised emulation mode: %s\n"), target);
252 einfo (_("Supported emulations: "));
253 ldemul_list_emulations (stderr);
258 ldemul_list_emulations (f)
261 ld_emulation_xfer_type **eptr = ld_emulations;
262 boolean first = true;
264 for (; *eptr; eptr++)
270 fprintf (f, "%s", (*eptr)->emulation_name);
275 ldemul_list_emulation_options (f)
278 ld_emulation_xfer_type **eptr;
279 int options_found = 0;
281 for (eptr = ld_emulations; *eptr; eptr++)
283 ld_emulation_xfer_type *emul = *eptr;
285 if (emul->list_options)
287 fprintf (f, "%s: \n", emul->emulation_name);
289 emul->list_options (f);
296 fprintf (f, _(" no emulation specific options.\n"));
300 ldemul_find_potential_libraries (name, entry)
302 lang_input_statement_type *entry;
304 if (ld_emulation->find_potential_libraries)
305 return ld_emulation->find_potential_libraries (name, entry);