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. */
27 look after all the file stuff
39 char *ldfile_input_filename;
40 CONST char * ldfile_output_machine_name;
41 unsigned long ldfile_output_machine;
42 enum bfd_architecture ldfile_output_architecture;
47 extern boolean option_v;
54 typedef struct search_dirs_struct
57 struct search_dirs_struct *next;
60 static search_dirs_type *search_head;
61 static search_dirs_type **search_tail_ptr = &search_head;
63 typedef struct search_arch_struct
66 struct search_arch_struct *next;
69 static search_arch_type *search_arch_head;
70 static search_arch_type **search_arch_tail_ptr = &search_arch_head;
75 ldfile_add_library_path(name)
78 search_dirs_type *new =
79 (search_dirs_type *)ldmalloc(sizeof(search_dirs_type));
81 new->next = (search_dirs_type*)NULL;
82 *search_tail_ptr = new;
83 search_tail_ptr = &new->next;
88 cached_bfd_openr(attempt,entry)
90 lang_input_statement_type *entry;
92 entry->the_bfd = bfd_openr(attempt, entry->target);
93 if (option_v == true && entry->the_bfd == (bfd *)NULL) {
94 info("attempt to open %s failed\n", attempt);
96 return entry->the_bfd;
100 open_a(arch, entry, lib, suffix)
102 lang_input_statement_type *entry;
107 search_dirs_type *search ;
108 for (search = search_head;
109 search != (search_dirs_type *)NULL;
110 search = search->next)
114 if (entry->is_archive == true) {
119 entry->filename, arch, suffix);
122 if (entry->filename[0] == '/' || entry->filename[0] == '.') {
123 strcpy(buffer, entry->filename);
125 sprintf(buffer,"%s/%s",search->name, entry->filename);
128 string = buystring(buffer);
129 desc = cached_bfd_openr (string, entry);
132 entry->filename = string;
133 entry->search_dirs_flag = false;
134 entry->the_bfd = desc;
142 /* Open the input file specified by 'entry', and return a descriptor.
143 The open file is remembered; if the same file is opened twice in a row,
144 a new open is not actually done. */
147 ldfile_open_file (entry)
148 lang_input_statement_type *entry;
151 if (entry->superfile)
152 ldfile_open_file (entry->superfile);
154 if (entry->search_dirs_flag)
156 search_arch_type *arch;
157 /* Try to open <filename><suffix> or lib<filename><suffix>.a */
159 for (arch = search_arch_head;
160 arch != (search_arch_type *)NULL;
162 if (open_a(arch->name,entry,"","") != (bfd *)NULL) {
165 if (open_a(arch->name,entry,"lib",".a") != (bfd *)NULL) {
174 entry->the_bfd = cached_bfd_openr (entry->filename, entry);
177 if (!entry->the_bfd) info("%F%P: %E %I\n", entry);
187 try_open(name, exten)
193 result = fopen(name, "r");
194 if (option_v == true) {
195 if (result == (FILE *)NULL) {
202 sprintf(buff, "%s%s", name, exten);
203 result = fopen(buff, "r");
205 if (option_v == true) {
206 if (result == (FILE *)NULL) {
214 find_a_name(name, extend)
218 search_dirs_type *search;
221 /* First try raw name */
222 result = try_open(name,"");
223 if (result == (FILE *)NULL) {
224 /* Try now prefixes */
225 for (search = search_head;
226 search != (search_dirs_type *)NULL;
227 search = search->next) {
228 sprintf(buffer,"%s/%s", search->name, name);
229 result = try_open(buffer, extend);
236 void ldfile_open_command_file(name)
239 extern FILE *ldlex_input_stack;
240 ldlex_input_stack = find_a_name(name, ".ld");
242 if (ldlex_input_stack == (FILE *)NULL) {
243 info("%P%F cannot open load script file %s\n",name);
245 ldfile_input_filename = name;
253 DEFUN(ldfile_add_arch,(in_name),
254 CONST char *CONST in_name)
256 char *name = buystring(in_name);
257 search_arch_type *new =
258 (search_arch_type *)ldmalloc(sizeof(search_arch_type));
260 ldfile_output_machine_name = in_name;
263 new->next = (search_arch_type*)NULL;
265 if (isupper(*name)) *name = tolower(*name);
268 *search_arch_tail_ptr = new;
269 search_arch_tail_ptr = &new->next;