1 /* Copyright (C) 1991, 92, 93, 94 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 1, 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
17 the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
22 look after all the file stuff
41 const char *ldfile_input_filename;
42 boolean ldfile_assumed_script = false;
43 const char *ldfile_output_machine_name = "";
44 unsigned long ldfile_output_machine;
45 enum bfd_architecture ldfile_output_architecture;
46 search_dirs_type *search_head;
55 /* The MPW path char is a colon. */
61 static search_dirs_type **search_tail_ptr = &search_head;
63 typedef struct search_arch
66 struct search_arch *next;
69 static search_arch_type *search_arch_head;
70 static search_arch_type **search_arch_tail_ptr = &search_arch_head;
72 static boolean ldfile_open_file_search
73 PARAMS ((const char *arch, lang_input_statement_type *,
74 const char *lib, const char *suffix));
75 static FILE *try_open PARAMS ((const char *name, const char *exten));
78 ldfile_add_library_path (name, cmdline)
82 search_dirs_type *new;
84 new = (search_dirs_type *) xmalloc (sizeof (search_dirs_type));
87 new->cmdline = cmdline;
88 *search_tail_ptr = new;
89 search_tail_ptr = &new->next;
92 /* Try to open a BFD for a lang_input_statement. */
95 ldfile_try_open_bfd (attempt, entry)
97 lang_input_statement_type *entry;
99 entry->the_bfd = bfd_openr (attempt, entry->target);
101 if (trace_file_tries)
102 info_msg ("attempt to open %s %s\n", attempt,
103 entry->the_bfd == NULL ? "failed" : "succeeded");
105 if (entry->the_bfd != NULL)
111 /* Search for and open the file specified by ENTRY. If it is an
112 archive, use ARCH, LIB and SUFFIX to modify the file name. */
115 ldfile_open_file_search (arch, entry, lib, suffix)
117 lang_input_statement_type *entry;
121 search_dirs_type *search;
123 /* If this is not an archive, try to open it in the current
125 if (! entry->is_archive)
127 if (ldfile_try_open_bfd (entry->filename, entry))
131 for (search = search_head;
132 search != (search_dirs_type *)NULL;
133 search = search->next)
137 if (entry->dynamic && ! link_info.relocateable)
139 if (ldemul_open_dynamic_archive (arch, search, entry))
143 string = (char *) xmalloc (strlen (search->name)
146 + strlen (entry->filename)
151 if (entry->is_archive)
152 sprintf (string, "%s%s%s%s%s%s", search->name, slash,
153 lib, entry->filename, arch, suffix);
154 else if (entry->filename[0] == '/' || entry->filename[0] == '.')
155 strcpy (string, entry->filename);
157 sprintf (string, "%s%s%s", search->name, slash, entry->filename);
159 if (ldfile_try_open_bfd (string, entry))
161 entry->filename = string;
171 /* Open the input file specified by ENTRY. */
174 ldfile_open_file (entry)
175 lang_input_statement_type *entry;
177 if (entry->the_bfd != NULL)
180 if (! entry->search_dirs_flag)
182 if (ldfile_try_open_bfd (entry->filename, entry))
187 search_arch_type *arch;
189 /* Try to open <filename><suffix> or lib<filename><suffix>.a */
190 for (arch = search_arch_head;
191 arch != (search_arch_type *) NULL;
194 if (ldfile_open_file_search (arch->name, entry, "lib", ".a"))
197 if (ldfile_open_file_search (arch->name, entry, ":lib", ".a"))
203 einfo("%F%P: cannot open %s: %E\n", entry->local_sym_name);
206 /* Try to open NAME; if that fails, try NAME with EXTEN appended to it. */
209 try_open (name, exten)
216 result = fopen (name, "r");
217 if (trace_file_tries)
220 info_msg ("cannot find script file ");
222 info_msg ("opened script file ");
223 info_msg ("%s\n",name);
231 sprintf (buff, "%s%s", name, exten);
232 result = fopen (buff, "r");
233 if (trace_file_tries)
236 info_msg ("cannot find script file ");
238 info_msg ("opened script file ");
239 info_msg ("%s\n", buff);
246 /* Try to open NAME; if that fails, look for it in any directories
247 specified with -L, without and with EXTEND apppended. */
250 ldfile_find_command_file (name, extend)
254 search_dirs_type *search;
258 /* First try raw name */
259 result = try_open(name,"");
260 if (result == (FILE *)NULL) {
261 /* Try now prefixes */
262 for (search = search_head;
263 search != (search_dirs_type *)NULL;
264 search = search->next) {
265 sprintf(buffer,"%s/%s", search->name, name);
266 result = try_open(buffer, extend);
274 ldfile_open_command_file (name)
277 FILE *ldlex_input_stack;
278 ldlex_input_stack = ldfile_find_command_file(name, "");
280 if (ldlex_input_stack == (FILE *)NULL) {
281 bfd_set_error (bfd_error_system_call);
282 einfo("%P%F: cannot open linker script file %s: %E\n",name);
284 lex_push_file(ldlex_input_stack, name);
286 ldfile_input_filename = name;
298 gnu960_map_archname( name )
301 struct tabentry { char *cmd_switch; char *arch; };
302 static struct tabentry arch_tab[] = {
306 "KC", "mc", /* Synonym for MC */
309 "SA", "ka", /* Functionally equivalent to KA */
310 "SB", "kb", /* Functionally equivalent to KB */
316 for ( tp = arch_tab; tp->cmd_switch != NULL; tp++ ){
317 if ( !strcmp(name,tp->cmd_switch) ){
322 if ( tp->cmd_switch == NULL ){
323 einfo("%P%F: unknown architecture: %s\n",name);
331 ldfile_add_arch(name)
334 search_arch_type *new =
335 (search_arch_type *)xmalloc((bfd_size_type)(sizeof(search_arch_type)));
339 if (ldfile_output_machine_name[0] != '\0') {
340 einfo("%P%F: target architecture respecified\n");
343 ldfile_output_machine_name = name;
346 new->next = (search_arch_type*)NULL;
347 new->name = gnu960_map_archname( name );
348 *search_arch_tail_ptr = new;
349 search_arch_tail_ptr = &new->next;
353 #else /* not GNU960 */
357 ldfile_add_arch (in_name)
358 CONST char * in_name;
360 char *name = buystring(in_name);
361 search_arch_type *new =
362 (search_arch_type *)xmalloc((bfd_size_type)(sizeof(search_arch_type)));
364 ldfile_output_machine_name = in_name;
367 new->next = (search_arch_type*)NULL;
369 if (isupper(*name)) *name = tolower(*name);
372 *search_arch_tail_ptr = new;
373 search_arch_tail_ptr = &new->next;
378 /* Set the output architecture */
380 ldfile_set_output_arch (string)
383 bfd_arch_info_type *arch = bfd_scan_arch(string);
386 ldfile_output_architecture = arch->arch;
387 ldfile_output_machine = arch->mach;
388 ldfile_output_machine_name = arch->printable_name;
391 einfo("%P%F: cannot represent machine `%s'\n", string);