-/* Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
+/* Linker file opening and searching.
+ Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001
+ Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
GLD is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 1, or (at your option)
+the Free Software Foundation; either version 2, or (at your option)
any later version.
GLD is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GLD; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+along with GLD; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
-/*
- ldfile.c
-
- look after all the file stuff
-
- */
+/* ldfile.c: look after all the file stuff. */
#include "bfd.h"
#include "sysdep.h"
#include "ldgram.h"
#include "ldlex.h"
#include "ldemul.h"
+#include "libiberty.h"
#include <ctype.h>
#ifdef VMS
char *slash = "";
#else
+#if defined (_WIN32) && ! defined (__CYGWIN32__)
+char *slash = "\\";
+#else
char *slash = "/";
#endif
+#endif
#else /* MPW */
-/* The MPW path char is a colon. */
+/* The MPW path char is a colon. */
char *slash = ":";
#endif /* MPW */
static search_dirs_type **search_tail_ptr = &search_head;
-typedef struct search_arch
-{
- char *name;
+typedef struct search_arch {
+ char *name;
struct search_arch *next;
} search_arch_type;
static search_arch_type *search_arch_head;
static search_arch_type **search_arch_tail_ptr = &search_arch_head;
-
-static boolean ldfile_open_file_search
- PARAMS ((const char *arch, lang_input_statement_type *,
- const char *lib, const char *suffix));
+
static FILE *try_open PARAMS ((const char *name, const char *exten));
void
entry->the_bfd = bfd_openr (attempt, entry->target);
if (trace_file_tries)
- info_msg ("attempt to open %s %s\n", attempt,
- entry->the_bfd == NULL ? "failed" : "succeeded");
+ {
+ if (entry->the_bfd == NULL)
+ info_msg (_("attempt to open %s failed\n"), attempt);
+ else
+ info_msg (_("attempt to open %s succeeded\n"), attempt);
+ }
- if (entry->the_bfd != NULL)
- return true;
- else
- return false;
+ if (entry->the_bfd == NULL)
+ {
+ if (bfd_get_error () == bfd_error_invalid_target)
+ einfo (_("%F%P: invalid BFD target `%s'\n"), entry->target);
+ return false;
+ }
+
+ /* If we are searching for this file, see if the architecture is
+ compatible with the output file. If it isn't, keep searching.
+ If we can't open the file as an object file, stop the search
+ here. */
+
+ if (entry->search_dirs_flag)
+ {
+ bfd *check;
+
+ if (bfd_check_format (entry->the_bfd, bfd_archive))
+ check = bfd_openr_next_archived_file (entry->the_bfd, NULL);
+ else
+ check = entry->the_bfd;
+
+ if (check != NULL)
+ {
+ if (! bfd_check_format (check, bfd_object))
+ return true;
+ if (bfd_arch_get_compatible (check, output_bfd) == NULL)
+ {
+ einfo (_("%P: skipping incompatible %s when searching for %s\n"),
+ attempt, entry->local_sym_name);
+ bfd_close (entry->the_bfd);
+ entry->the_bfd = NULL;
+ return false;
+ }
+ }
+ }
+
+ return true;
}
/* Search for and open the file specified by ENTRY. If it is an
archive, use ARCH, LIB and SUFFIX to modify the file name. */
-static boolean
+boolean
ldfile_open_file_search (arch, entry, lib, suffix)
const char *arch;
lang_input_statement_type *entry;
}
for (search = search_head;
- search != (search_dirs_type *)NULL;
- search = search->next)
+ search != (search_dirs_type *) NULL;
+ search = search->next)
{
char *string;
if (entry->is_archive)
sprintf (string, "%s%s%s%s%s%s", search->name, slash,
lib, entry->filename, arch, suffix);
- else if (entry->filename[0] == '/' || entry->filename[0] == '.')
+ else if (entry->filename[0] == '/' || entry->filename[0] == '.'
+#if defined (__MSDOS__) || defined (_WIN32)
+ || entry->filename[0] == '\\'
+ || (isalpha (entry->filename[0])
+ && entry->filename[1] == ':')
+#endif
+ )
strcpy (string, entry->filename);
else
sprintf (string, "%s%s%s", search->name, slash, entry->filename);
{
if (ldfile_try_open_bfd (entry->filename, entry))
return;
+ if (strcmp (entry->filename, entry->local_sym_name) != 0)
+ einfo (_("%F%P: cannot open %s for %s: %E\n"),
+ entry->filename, entry->local_sym_name);
+ else
+ einfo (_("%F%P: cannot open %s: %E\n"), entry->local_sym_name);
}
else
{
search_arch_type *arch;
+ boolean found = false;
/* Try to open <filename><suffix> or lib<filename><suffix>.a */
for (arch = search_arch_head;
arch != (search_arch_type *) NULL;
arch = arch->next)
{
- if (ldfile_open_file_search (arch->name, entry, "lib", ".a"))
- return;
+ found = ldfile_open_file_search (arch->name, entry, "lib", ".a");
+ if (found)
+ break;
#ifdef VMS
- if (ldfile_open_file_search (arch->name, entry, ":lib", ".a"))
- return;
+ found = ldfile_open_file_search (arch->name, entry, ":lib", ".a");
+ if (found)
+ break;
#endif
+ found = ldemul_find_potential_libraries (arch->name, entry);
+ if (found)
+ break;
}
- }
- einfo("%F%P: cannot open %s: %E\n", entry->local_sym_name);
+ /* If we have found the file, we don't need to search directories
+ again. */
+ if (found)
+ entry->search_dirs_flag = false;
+ else
+ einfo (_("%F%P: cannot find %s\n"), entry->local_sym_name);
+ }
}
/* Try to open NAME; if that fails, try NAME with EXTEN appended to it. */
char buff[1000];
result = fopen (name, "r");
+
if (trace_file_tries)
{
if (result == NULL)
- info_msg ("cannot find script file ");
+ info_msg (_("cannot find script file %s\n"), name);
else
- info_msg ("opened script file ");
- info_msg ("%s\n",name);
+ info_msg (_("opened script file %s\n"), name);
}
if (result != NULL)
{
sprintf (buff, "%s%s", name, exten);
result = fopen (buff, "r");
+
if (trace_file_tries)
{
if (result == NULL)
- info_msg ("cannot find script file ");
+ info_msg (_("cannot find script file %s\n"), buff);
else
- info_msg ("opened script file ");
- info_msg ("%s\n", buff);
+ info_msg (_("opened script file %s\n"), buff);
}
}
FILE *result;
char buffer[1000];
- /* First try raw name */
- result = try_open(name,"");
- if (result == (FILE *)NULL) {
- /* Try now prefixes */
- for (search = search_head;
- search != (search_dirs_type *)NULL;
- search = search->next) {
- sprintf(buffer,"%s/%s", search->name, name);
- result = try_open(buffer, extend);
- if (result)break;
+ /* First try raw name. */
+ result = try_open (name, "");
+ if (result == (FILE *) NULL)
+ {
+ /* Try now prefixes. */
+ for (search = search_head;
+ search != (search_dirs_type *) NULL;
+ search = search->next)
+ {
+ sprintf (buffer, "%s%s%s", search->name, slash, name);
+
+ result = try_open (buffer, extend);
+ if (result)
+ break;
+ }
}
- }
+
return result;
}
const char *name;
{
FILE *ldlex_input_stack;
- ldlex_input_stack = ldfile_find_command_file(name, "");
-
- if (ldlex_input_stack == (FILE *)NULL) {
- bfd_set_error (bfd_error_system_call);
- einfo("%P%F: cannot open linker script file %s: %E\n",name);
- }
- lex_push_file(ldlex_input_stack, name);
-
+ ldlex_input_stack = ldfile_find_command_file (name, "");
+
+ if (ldlex_input_stack == (FILE *) NULL)
+ {
+ bfd_set_error (bfd_error_system_call);
+ einfo (_("%P%F: cannot open linker script file %s: %E\n"), name);
+ }
+
+ lex_push_file (ldlex_input_stack, name);
+
ldfile_input_filename = name;
lineno = 1;
had_script = true;
}
-
-
-
-
#ifdef GNU960
-static
-char *
-gnu960_map_archname( name )
-char *name;
+static char *
+gnu960_map_archname (name)
+ char *name;
{
struct tabentry { char *cmd_switch; char *arch; };
- static struct tabentry arch_tab[] = {
+ static struct tabentry arch_tab[] =
+ {
"", "",
"KA", "ka",
"KB", "kb",
NULL, ""
};
struct tabentry *tp;
-
- for ( tp = arch_tab; tp->cmd_switch != NULL; tp++ ){
- if ( !strcmp(name,tp->cmd_switch) ){
- break;
+ for (tp = arch_tab; tp->cmd_switch != NULL; tp++)
+ {
+ if (! strcmp (name,tp->cmd_switch))
+ break;
}
- }
- if ( tp->cmd_switch == NULL ){
- einfo("%P%F: unknown architecture: %s\n",name);
- }
+ if (tp->cmd_switch == NULL)
+ einfo (_("%P%F: unknown architecture: %s\n"), name);
+
return tp->arch;
}
-
-
void
-ldfile_add_arch(name)
-char *name;
+ldfile_add_arch (name)
+ char *name;
{
search_arch_type *new =
- (search_arch_type *)xmalloc((bfd_size_type)(sizeof(search_arch_type)));
+ (search_arch_type *) xmalloc ((bfd_size_type) (sizeof (search_arch_type)));
+ if (*name != '\0')
+ {
+ if (ldfile_output_machine_name[0] != '\0')
+ {
+ einfo (_("%P%F: target architecture respecified\n"));
+ return;
+ }
- if (*name != '\0') {
- if (ldfile_output_machine_name[0] != '\0') {
- einfo("%P%F: target architecture respecified\n");
- return;
+ ldfile_output_machine_name = name;
}
- ldfile_output_machine_name = name;
- }
- new->next = (search_arch_type*)NULL;
- new->name = gnu960_map_archname( name );
+ new->next = (search_arch_type *) NULL;
+ new->name = gnu960_map_archname (name);
*search_arch_tail_ptr = new;
search_arch_tail_ptr = &new->next;
-
}
-#else /* not GNU960 */
-
+#else /* not GNU960 */
void
ldfile_add_arch (in_name)
- CONST char * in_name;
+ CONST char *in_name;
{
- char *name = buystring(in_name);
+ char *name = xstrdup (in_name);
search_arch_type *new =
- (search_arch_type *)xmalloc((bfd_size_type)(sizeof(search_arch_type)));
+ (search_arch_type *) xmalloc (sizeof (search_arch_type));
ldfile_output_machine_name = in_name;
new->name = name;
- new->next = (search_arch_type*)NULL;
- while (*name) {
- if (isupper(*name)) *name = tolower(*name);
- name++;
- }
+ new->next = (search_arch_type *) NULL;
+ while (*name)
+ {
+ if (isupper ((unsigned char) *name))
+ *name = tolower ((unsigned char) *name);
+ name++;
+ }
*search_arch_tail_ptr = new;
search_arch_tail_ptr = &new->next;
}
#endif
-/* Set the output architecture */
+/* Set the output architecture. */
+
void
ldfile_set_output_arch (string)
CONST char *string;
{
- bfd_arch_info_type *arch = bfd_scan_arch(string);
-
- if (arch) {
- ldfile_output_architecture = arch->arch;
- ldfile_output_machine = arch->mach;
- ldfile_output_machine_name = arch->printable_name;
- }
- else {
- einfo("%P%F: cannot represent machine `%s'\n", string);
- }
+ const bfd_arch_info_type *arch = bfd_scan_arch (string);
+
+ if (arch)
+ {
+ ldfile_output_architecture = arch->arch;
+ ldfile_output_machine = arch->mach;
+ ldfile_output_machine_name = arch->printable_name;
+ }
+ else
+ {
+ einfo (_("%P%F: cannot represent machine `%s'\n"), string);
+ }
}