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 ) {
94 info("attempt to open %s %s\n", attempt
,
95 (entry
->the_bfd
== (bfd
*)NULL
) ? "failed" : "succeeded" );
97 return entry
->the_bfd
;
101 open_a(arch
, entry
, lib
, suffix
)
103 lang_input_statement_type
*entry
;
108 search_dirs_type
*search
;
109 for (search
= search_head
;
110 search
!= (search_dirs_type
*)NULL
;
111 search
= search
->next
)
115 if (entry
->is_archive
== true) {
120 entry
->filename
, arch
, suffix
);
123 if (entry
->filename
[0] == '/' || entry
->filename
[0] == '.') {
124 strcpy(buffer
, entry
->filename
);
126 sprintf(buffer
,"%s/%s",search
->name
, entry
->filename
);
129 string
= buystring(buffer
);
130 desc
= cached_bfd_openr (string
, entry
);
133 entry
->filename
= string
;
134 entry
->search_dirs_flag
= false;
135 entry
->the_bfd
= desc
;
143 /* Open the input file specified by 'entry', and return a descriptor.
144 The open file is remembered; if the same file is opened twice in a row,
145 a new open is not actually done. */
148 ldfile_open_file (entry
)
149 lang_input_statement_type
*entry
;
152 if (entry
->superfile
)
153 ldfile_open_file (entry
->superfile
);
155 if (entry
->search_dirs_flag
)
157 search_arch_type
*arch
;
158 /* Try to open <filename><suffix> or lib<filename><suffix>.a */
160 for (arch
= search_arch_head
;
161 arch
!= (search_arch_type
*)NULL
;
163 if (open_a(arch
->name
,entry
,"","") != (bfd
*)NULL
) {
166 if (open_a(arch
->name
,entry
,"lib",".a") != (bfd
*)NULL
) {
175 entry
->the_bfd
= cached_bfd_openr (entry
->filename
, entry
);
178 if (!entry
->the_bfd
) info("%F%P: %E %I\n", entry
);
188 try_open(name
, exten
)
194 result
= fopen(name
, "r");
195 if (option_v
== true) {
196 if (result
== (FILE *)NULL
) {
203 sprintf(buff
, "%s%s", name
, exten
);
204 result
= fopen(buff
, "r");
206 if (option_v
== true) {
207 if (result
== (FILE *)NULL
) {
215 find_a_name(name
, extend
)
219 search_dirs_type
*search
;
222 /* First try raw name */
223 result
= try_open(name
,"");
224 if (result
== (FILE *)NULL
) {
225 /* Try now prefixes */
226 for (search
= search_head
;
227 search
!= (search_dirs_type
*)NULL
;
228 search
= search
->next
) {
229 sprintf(buffer
,"%s/%s", search
->name
, name
);
230 result
= try_open(buffer
, extend
);
237 void ldfile_open_command_file(name
)
240 extern FILE *ldlex_input_stack
;
241 ldlex_input_stack
= find_a_name(name
, ".ld");
243 if (ldlex_input_stack
== (FILE *)NULL
) {
244 info("%P%F cannot open load script file %s\n",name
);
246 ldfile_input_filename
= name
;
257 gnu960_map_archname( name
)
260 struct tabentry
{ char *cmd_switch
; char *arch
; };
261 static struct tabentry arch_tab
[] = {
265 "KC", "mc", /* Synonym for MC */
268 "SA", "ka", /* Functionally equivalent to KA */
269 "SB", "kb", /* Functionally equivalent to KB */
275 for ( tp
= arch_tab
; tp
->cmd_switch
!= NULL
; tp
++ ){
276 if ( !strcmp(name
,tp
->cmd_switch
) ){
281 if ( tp
->cmd_switch
== NULL
){
282 info("%P%F: unknown architecture: %s\n",name
);
290 ldfile_add_arch(name
)
293 search_arch_type
*new =
294 (search_arch_type
*)ldmalloc(sizeof(search_arch_type
));
298 if (ldfile_output_machine_name
[0] != '\0') {
299 info("%P%F: target architecture respecified\n");
302 ldfile_output_machine_name
= name
;
305 new->next
= (search_arch_type
*)NULL
;
306 new->name
= gnu960_map_archname( name
);
307 *search_arch_tail_ptr
= new;
308 search_arch_tail_ptr
= &new->next
;
312 #else /* not GNU960 */
316 DEFUN(ldfile_add_arch
,(in_name
),
317 CONST
char * in_name
)
319 char *name
= buystring(in_name
);
320 search_arch_type
*new =
321 (search_arch_type
*)ldmalloc(sizeof(search_arch_type
));
323 ldfile_output_machine_name
= in_name
;
326 new->next
= (search_arch_type
*)NULL
;
328 if (isupper(*name
)) *name
= tolower(*name
);
331 *search_arch_tail_ptr
= new;
332 search_arch_tail_ptr
= &new->next
;
337 /* Set the output architecture */
339 DEFUN(ldfile_set_output_arch
,(string
),
342 enum bfd_architecture arch
;
343 unsigned long machine
;
344 if (bfd_scan_arch_mach(string
, &arch
, &machine
) == true) {
345 ldfile_output_architecture
= arch
;
346 ldfile_output_machine
= machine
;
347 ldfile_output_machine_name
= string
;
350 info("%P%F: Can't represent machine `%s'\n", string
);