2 /* Copyright (C) 1991 Free Software Foundation, Inc.
4 This file is part of GLD, the Gnu Linker.
6 GLD is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 1, or (at your option)
11 GLD is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GLD; see the file COPYING. If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
24 Revision 1.1 1991/03/21 21:28:37 gumby
27 * Revision 1.2 1991/03/15 18:45:55 rich
30 * Revision 1.1 1991/03/13 00:48:18 chrisb
33 * Revision 1.4 1991/03/10 09:31:24 rich
35 * Makefile config.h ld-emul.c ld-emul.h ld-gld.c ld-gld960.c
36 * ld-lnk960.c ld.h lddigest.c ldexp.c ldexp.h ldfile.c ldfile.h
37 * ldgram.y ldinfo.h ldlang.c ldlang.h ldlex.h ldlex.l ldmain.c
38 * ldmain.h ldmisc.c ldmisc.h ldsym.c ldsym.h ldversion.c
39 * ldversion.h ldwarn.h ldwrite.c ldwrite.h y.tab.h
41 * As of this round of changes, ld now builds on all hosts of (Intel960)
42 * interest and copy passes my copy test on big endian hosts again.
44 * Revision 1.3 1991/02/22 17:15:00 sac
45 * Added RCS keywords and copyrights
52 look after all the file stuff
66 char *ldfile_input_filename;
67 char *ldfile_output_machine_name;
68 unsigned long ldfile_output_machine;
69 enum bfd_architecture ldfile_output_architecture;
74 extern boolean option_v;
81 typedef struct search_dirs_struct
84 struct search_dirs_struct *next;
87 static search_dirs_type *search_head;
88 static search_dirs_type **search_tail_ptr = &search_head;
90 typedef struct search_arch_struct
93 struct search_arch_struct *next;
96 static search_arch_type *search_arch_head;
97 static search_arch_type **search_arch_tail_ptr = &search_arch_head;
100 ldfile_add_library_path(name)
103 search_dirs_type *new =
104 (search_dirs_type *)ldmalloc(sizeof(search_dirs_type));
106 new->next = (search_dirs_type*)NULL;
107 *search_tail_ptr = new;
108 search_tail_ptr = &new->next;
113 cached_bfd_openr(attempt,entry)
115 lang_input_statement_type *entry;
117 entry->the_bfd = bfd_openr(attempt, entry->target);
120 return entry->the_bfd;
124 open_a(arch, entry, lib, suffix)
126 lang_input_statement_type *entry;
131 search_dirs_type *search ;
132 for (search = search_head;
133 search != (search_dirs_type *)NULL;
134 search = search->next)
138 if (entry->is_archive == true) {
143 entry->filename, arch, suffix);
146 if (entry->filename[0] == '/') {
147 strcpy(buffer, entry->filename);
149 sprintf(buffer,"%s/%s",search->name, entry->filename);
152 string = buystring(buffer);
153 desc = cached_bfd_openr (string, entry);
156 entry->filename = string;
157 entry->search_dirs_flag = false;
158 entry->the_bfd = desc;
166 /* Open the input file specified by 'entry', and return a descriptor.
167 The open file is remembered; if the same file is opened twice in a row,
168 a new open is not actually done. */
171 ldfile_open_file (entry)
172 lang_input_statement_type *entry;
175 if (entry->superfile)
176 ldfile_open_file (entry->superfile);
178 if (entry->search_dirs_flag)
180 search_arch_type *arch;
181 for (arch = search_arch_head;
182 arch != (search_arch_type *)NULL;
184 if (open_a(arch->name,entry,"","") != (bfd *)NULL) {
187 if (open_a(arch->name,entry,"lib",".a") != (bfd *)NULL) {
196 entry->the_bfd = cached_bfd_openr (entry->filename, entry);
199 if (!entry->the_bfd) info("%F%P: %E %I\n", entry);
209 try_open(name, exten)
215 result = fopen(name, "r");
216 if (result && option_v == true) {
220 sprintf(buff, "%s%s", name, exten);
221 result = fopen(buff, "r");
223 if (result && option_v == true) {
229 find_a_name(name, extend)
233 search_dirs_type *search;
236 /* First try raw name */
237 result = try_open(name,"");
238 if (result == (FILE *)NULL) {
239 /* Try now prefixes */
240 for (search = search_head;
241 search != (search_dirs_type *)NULL;
242 search = search->next) {
243 sprintf(buffer,"%s/%s", search->name, name);
244 result = try_open(buffer, extend);
251 void ldfile_open_command_file(name)
254 extern FILE *ldlex_input_stack;
255 ldlex_input_stack = find_a_name(name, ".ld");
257 if (ldlex_input_stack == (FILE *)NULL) {
258 info("%P%F cannot open load script file %s\n",name);
260 ldfile_input_filename = name;
268 ldfile_add_arch(name)
271 search_arch_type *new =
272 (search_arch_type *)ldmalloc(sizeof(search_arch_type));
273 ldfile_output_machine_name = name;
276 new->next = (search_arch_type*)NULL;
278 if (isupper(*name)) *name = tolower(*name);
281 *search_arch_tail_ptr = new;
282 search_arch_tail_ptr = &new->next;