1 /* Copyright (C) 1991, 92, 93, 94, 95, 98, 1999 Free Software Foundation, Inc.
3 This file is part of GLD, the Gnu Linker.
5 GLD is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
10 GLD is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GLD; see the file COPYING. If not, write to the Free
17 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
23 look after all the file stuff
42 const char *ldfile_input_filename;
43 boolean ldfile_assumed_script = false;
44 const char *ldfile_output_machine_name = "";
45 unsigned long ldfile_output_machine;
46 enum bfd_architecture ldfile_output_architecture;
47 search_dirs_type *search_head;
53 #if defined (_WIN32) && ! defined (__CYGWIN32__)
60 /* The MPW path char is a colon. */
66 static search_dirs_type **search_tail_ptr = &search_head;
68 typedef struct search_arch
71 struct search_arch *next;
74 static search_arch_type *search_arch_head;
75 static search_arch_type **search_arch_tail_ptr = &search_arch_head;
77 static boolean ldfile_open_file_search
78 PARAMS ((const char *arch, lang_input_statement_type *,
79 const char *lib, const char *suffix));
80 static FILE *try_open PARAMS ((const char *name, const char *exten));
83 ldfile_add_library_path (name, cmdline)
87 search_dirs_type *new;
89 new = (search_dirs_type *) xmalloc (sizeof (search_dirs_type));
92 new->cmdline = cmdline;
93 *search_tail_ptr = new;
94 search_tail_ptr = &new->next;
97 /* Try to open a BFD for a lang_input_statement. */
100 ldfile_try_open_bfd (attempt, entry)
102 lang_input_statement_type *entry;
104 entry->the_bfd = bfd_openr (attempt, entry->target);
106 if (trace_file_tries)
108 if (entry->the_bfd == NULL)
109 info_msg (_("attempt to open %s failed\n"), attempt);
111 info_msg (_("attempt to open %s succeeded\n"), attempt);
114 if (entry->the_bfd != NULL)
118 if (bfd_get_error () == bfd_error_invalid_target)
119 einfo (_("%F%P: invalid BFD target `%s'\n"), entry->target);
124 /* Search for and open the file specified by ENTRY. If it is an
125 archive, use ARCH, LIB and SUFFIX to modify the file name. */
128 ldfile_open_file_search (arch, entry, lib, suffix)
130 lang_input_statement_type *entry;
134 search_dirs_type *search;
136 /* If this is not an archive, try to open it in the current
138 if (! entry->is_archive)
140 if (ldfile_try_open_bfd (entry->filename, entry))
144 for (search = search_head;
145 search != (search_dirs_type *)NULL;
146 search = search->next)
150 if (entry->dynamic && ! link_info.relocateable)
152 if (ldemul_open_dynamic_archive (arch, search, entry))
156 string = (char *) xmalloc (strlen (search->name)
159 + strlen (entry->filename)
164 if (entry->is_archive)
165 sprintf (string, "%s%s%s%s%s%s", search->name, slash,
166 lib, entry->filename, arch, suffix);
167 else if (entry->filename[0] == '/' || entry->filename[0] == '.'
168 #if defined (__MSDOS__) || defined (_WIN32)
169 || entry->filename[0] == '\\'
170 || (isalpha (entry->filename[0])
171 && entry->filename[1] == ':')
174 strcpy (string, entry->filename);
176 sprintf (string, "%s%s%s", search->name, slash, entry->filename);
178 if (ldfile_try_open_bfd (string, entry))
180 entry->filename = string;
190 /* Open the input file specified by ENTRY. */
193 ldfile_open_file (entry)
194 lang_input_statement_type *entry;
196 if (entry->the_bfd != NULL)
199 if (! entry->search_dirs_flag)
201 if (ldfile_try_open_bfd (entry->filename, entry))
203 if (strcmp (entry->filename, entry->local_sym_name) != 0)
204 einfo (_("%F%P: cannot open %s for %s: %E\n"),
205 entry->filename, entry->local_sym_name);
207 einfo(_("%F%P: cannot open %s: %E\n"), entry->local_sym_name);
211 search_arch_type *arch;
213 /* Try to open <filename><suffix> or lib<filename><suffix>.a */
214 for (arch = search_arch_head;
215 arch != (search_arch_type *) NULL;
218 if (ldfile_open_file_search (arch->name, entry, "lib", ".a"))
221 if (ldfile_open_file_search (arch->name, entry, ":lib", ".a"))
225 einfo (_("%F%P: cannot find %s\n"), entry->local_sym_name);
229 /* Try to open NAME; if that fails, try NAME with EXTEN appended to it. */
232 try_open (name, exten)
239 result = fopen (name, "r");
240 if (trace_file_tries)
243 info_msg (_("cannot find script file %s\n"), name);
245 info_msg (_("opened script file %s\n"), name);
253 sprintf (buff, "%s%s", name, exten);
254 result = fopen (buff, "r");
255 if (trace_file_tries)
258 info_msg (_("cannot find script file %s\n"), buff);
260 info_msg (_("opened script file %s\n"), buff);
267 /* Try to open NAME; if that fails, look for it in any directories
268 specified with -L, without and with EXTEND apppended. */
271 ldfile_find_command_file (name, extend)
275 search_dirs_type *search;
279 /* First try raw name */
280 result = try_open(name,"");
281 if (result == (FILE *)NULL) {
282 /* Try now prefixes */
283 for (search = search_head;
284 search != (search_dirs_type *)NULL;
285 search = search->next) {
286 sprintf(buffer,"%s%s%s", search->name, slash, name);
287 result = try_open(buffer, extend);
295 ldfile_open_command_file (name)
298 FILE *ldlex_input_stack;
299 ldlex_input_stack = ldfile_find_command_file(name, "");
301 if (ldlex_input_stack == (FILE *)NULL) {
302 bfd_set_error (bfd_error_system_call);
303 einfo(_("%P%F: cannot open linker script file %s: %E\n"),name);
305 lex_push_file(ldlex_input_stack, name);
307 ldfile_input_filename = name;
319 gnu960_map_archname( name )
322 struct tabentry { char *cmd_switch; char *arch; };
323 static struct tabentry arch_tab[] = {
327 "KC", "mc", /* Synonym for MC */
330 "SA", "ka", /* Functionally equivalent to KA */
331 "SB", "kb", /* Functionally equivalent to KB */
337 for ( tp = arch_tab; tp->cmd_switch != NULL; tp++ ){
338 if ( !strcmp(name,tp->cmd_switch) ){
343 if ( tp->cmd_switch == NULL ){
344 einfo(_("%P%F: unknown architecture: %s\n"),name);
352 ldfile_add_arch(name)
355 search_arch_type *new =
356 (search_arch_type *)xmalloc((bfd_size_type)(sizeof(search_arch_type)));
360 if (ldfile_output_machine_name[0] != '\0') {
361 einfo(_("%P%F: target architecture respecified\n"));
364 ldfile_output_machine_name = name;
367 new->next = (search_arch_type*)NULL;
368 new->name = gnu960_map_archname( name );
369 *search_arch_tail_ptr = new;
370 search_arch_tail_ptr = &new->next;
374 #else /* not GNU960 */
378 ldfile_add_arch (in_name)
379 CONST char * in_name;
381 char *name = buystring(in_name);
382 search_arch_type *new =
383 (search_arch_type *) xmalloc (sizeof (search_arch_type));
385 ldfile_output_machine_name = in_name;
388 new->next = (search_arch_type*)NULL;
391 if (isupper ((unsigned char) *name))
392 *name = tolower ((unsigned char) *name);
395 *search_arch_tail_ptr = new;
396 search_arch_tail_ptr = &new->next;
401 /* Set the output architecture */
403 ldfile_set_output_arch (string)
406 const bfd_arch_info_type *arch = bfd_scan_arch(string);
409 ldfile_output_architecture = arch->arch;
410 ldfile_output_machine = arch->mach;
411 ldfile_output_machine_name = arch->printable_name;
414 einfo(_("%P%F: cannot represent machine `%s'\n"), string);