/* Linker file opening and searching.
Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004, 2005 Free Software Foundation, Inc.
+ 2003, 2004, 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
- This file is part of GLD, the Gnu Linker.
+ This file is part of the GNU Binutils.
- GLD is free software; you can redistribute it and/or modify
+ This program 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 2, or (at your option)
- any later version.
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
- GLD is distributed in the hope that it will be useful,
+ This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-/* ldfile.c: look after all the file stuff. */
-
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "bfdlink.h"
#include "safe-ctype.h"
#include "ld.h"
void
ldfile_add_library_path (const char *name, bfd_boolean cmdline)
{
- search_dirs_type *new;
+ search_dirs_type *new_dirs;
if (!cmdline && config.only_cmd_line_lib_dirs)
return;
- new = xmalloc (sizeof (search_dirs_type));
- new->next = NULL;
- new->cmdline = cmdline;
- *search_tail_ptr = new;
- search_tail_ptr = &new->next;
+ new_dirs = (search_dirs_type *) xmalloc (sizeof (search_dirs_type));
+ new_dirs->next = NULL;
+ new_dirs->cmdline = cmdline;
+ *search_tail_ptr = new_dirs;
+ search_tail_ptr = &new_dirs->next;
/* If a directory is marked as honoring sysroot, prepend the sysroot path
now. */
if (name[0] == '=')
{
- new->name = concat (ld_sysroot, name + 1, NULL);
- new->sysrooted = TRUE;
+ new_dirs->name = concat (ld_sysroot, name + 1, (const char *) NULL);
+ new_dirs->sysrooted = TRUE;
}
else
{
- new->name = xstrdup (name);
- new->sysrooted = is_sysrooted_pathname (name, FALSE);
+ new_dirs->name = xstrdup (name);
+ new_dirs->sysrooted = is_sysrooted_pathname (name, FALSE);
}
}
yyin = NULL;
if (skip)
{
- einfo (_("%P: skipping incompatible %s when searching for %s\n"),
- attempt, entry->local_sym_name);
+ if (command_line.warn_search_mismatch)
+ 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;
}
if (entry->search_dirs_flag
- && !bfd_arch_get_compatible (check, output_bfd,
+ && !bfd_arch_get_compatible (check, link_info.output_bfd,
command_line.accept_unknown_input_arch)
/* XCOFF archives can have 32 and 64 bit objects. */
&& ! (bfd_get_flavour (check) == bfd_target_xcoff_flavour
- && bfd_get_flavour (output_bfd) == bfd_target_xcoff_flavour
+ && bfd_get_flavour (link_info.output_bfd) == bfd_target_xcoff_flavour
&& bfd_check_format (entry->the_bfd, bfd_archive)))
{
- einfo (_("%P: skipping incompatible %s when searching for %s\n"),
- attempt, entry->local_sym_name);
+ if (command_line.warn_search_mismatch)
+ 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;
}
}
- string = xmalloc (strlen (search->name)
- + strlen (slash)
- + strlen (lib)
- + strlen (entry->filename)
- + strlen (arch)
- + strlen (suffix)
- + 1);
-
if (entry->is_archive)
- sprintf (string, "%s%s%s%s%s%s", search->name, slash,
- lib, entry->filename, arch, suffix);
+ string = concat (search->name, slash, lib, entry->filename,
+ arch, suffix, (const char *) NULL);
else
- sprintf (string, "%s%s%s", search->name, slash, entry->filename);
+ string = concat (search->name, slash, entry->filename,
+ (const char *) 0);
if (ldfile_try_open_bfd (string, entry))
{
return FALSE;
}
-/* Open the input file specified by ENTRY. */
+/* Open the input file specified by ENTRY.
+ PR 4437: Do not stop on the first missing file, but
+ continue processing other input files in case there
+ are more errors to report. */
void
ldfile_open_file (lang_input_statement_type *entry)
{
if (ldfile_try_open_bfd (entry->filename, entry))
return;
+
if (strcmp (entry->filename, entry->local_sym_name) != 0)
- einfo (_("%F%P: %s (%s): No such file: %E\n"),
+ einfo (_("%P: cannot find %s (%s): %E\n"),
entry->filename, entry->local_sym_name);
else
- einfo (_("%F%P: %s: No such file: %E\n"), entry->local_sym_name);
+ einfo (_("%P: cannot find %s: %E\n"), entry->local_sym_name);
+
+ entry->missing_file = TRUE;
+ missing_file = TRUE;
}
else
{
again. */
if (found)
entry->search_dirs_flag = FALSE;
- else if (entry->sysrooted
+ else
+ {
+ if (entry->sysrooted
&& ld_sysroot
&& IS_ABSOLUTE_PATH (entry->local_sym_name))
- einfo (_("%F%P: cannot find %s inside %s\n"),
- entry->local_sym_name, ld_sysroot);
- else
- einfo (_("%F%P: cannot find %s\n"), entry->local_sym_name);
+ einfo (_("%P: cannot find %s inside %s\n"),
+ entry->local_sym_name, ld_sysroot);
+ else
+ einfo (_("%P: cannot find %s\n"), entry->local_sym_name);
+ entry->missing_file = TRUE;
+ missing_file = TRUE;
+ }
}
}
try_open (const char *name, const char *exten)
{
FILE *result;
- char buff[1000];
result = fopen (name, "r");
if (*exten)
{
- sprintf (buff, "%s%s", name, exten);
+ char *buff;
+
+ buff = concat (name, exten, (const char *) NULL);
result = fopen (buff, "r");
if (trace_file_tries)
else
info_msg (_("opened script file %s\n"), buff);
}
+ free (buff);
}
return result;
}
-/* Try to open NAME; if that fails, look for it in any directories
- specified with -L, without and with EXTEND appended. */
+/* Return TRUE iff directory DIR contains an "ldscripts" subdirectory. */
+
+static bfd_boolean
+check_for_scripts_dir (char *dir)
+{
+ char *buf;
+ struct stat s;
+ bfd_boolean res;
+
+ buf = concat (dir, "/ldscripts", (const char *) NULL);
+ res = stat (buf, &s) == 0 && S_ISDIR (s.st_mode);
+ free (buf);
+ return res;
+}
+
+/* Return the default directory for finding script files.
+ We look for the "ldscripts" directory in:
+
+ SCRIPTDIR (passed from Makefile)
+ (adjusted according to the current location of the binary)
+ SCRIPTDIR (passed from Makefile)
+ the dir where this program is (for using it from the build tree). */
+
+static char *
+find_scripts_dir (void)
+{
+ char *dir;
+
+ dir = make_relative_prefix (program_name, BINDIR, SCRIPTDIR);
+ if (dir)
+ {
+ if (check_for_scripts_dir (dir))
+ return dir;
+ free (dir);
+ }
+
+ dir = make_relative_prefix (program_name, TOOLBINDIR, SCRIPTDIR);
+ if (dir)
+ {
+ if (check_for_scripts_dir (dir))
+ return dir;
+ free (dir);
+ }
+
+ if (check_for_scripts_dir (SCRIPTDIR))
+ /* We've been installed normally. */
+ return SCRIPTDIR;
+
+ /* Look for "ldscripts" in the dir where our binary is. */
+ dir = make_relative_prefix (program_name, ".", ".");
+ if (dir)
+ {
+ if (check_for_scripts_dir (dir))
+ return dir;
+ free (dir);
+ }
+
+ return NULL;
+}
+
+/* If DEFAULT_ONLY is false, try to open NAME; if that fails, look for
+ it in directories specified with -L, then in the default script
+ directory, without and with EXTEND appended. If DEFAULT_ONLY is
+ true, the search is restricted to the default script location. */
static FILE *
-ldfile_find_command_file (const char *name, const char *extend)
+ldfile_find_command_file (const char *name, const char *extend,
+ bfd_boolean default_only)
{
search_dirs_type *search;
- FILE *result;
- char buffer[1000];
+ FILE *result = NULL;
+ char *buffer;
+ static search_dirs_type *script_search;
- /* First try raw name. */
- result = try_open (name, "");
- if (result == NULL)
+ if (!default_only)
{
- /* Try now prefixes. */
- for (search = search_head; search != NULL; search = search->next)
- {
- sprintf (buffer, "%s%s%s", search->name, slash, name);
+ /* First try raw name. */
+ result = try_open (name, "");
+ if (result != NULL)
+ return result;
+ }
- result = try_open (buffer, extend);
- if (result)
- break;
+ if (!script_search)
+ {
+ char *script_dir = find_scripts_dir ();
+ if (script_dir)
+ {
+ search_dirs_type **save_tail_ptr = search_tail_ptr;
+ search_tail_ptr = &script_search;
+ ldfile_add_library_path (script_dir, TRUE);
+ search_tail_ptr = save_tail_ptr;
}
}
+ /* Temporarily append script_search to the path list so that the
+ paths specified with -L will be searched first. */
+ *search_tail_ptr = script_search;
+
+ /* Try now prefixes. */
+ for (search = default_only ? script_search : search_head;
+ search != NULL;
+ search = search->next)
+ {
+ buffer = concat (search->name, slash, name, (const char *) NULL);
+ result = try_open (buffer, extend);
+ free (buffer);
+ if (result)
+ break;
+ }
+
+ /* Restore the original path list. */
+ *search_tail_ptr = NULL;
+
return result;
}
-void
-ldfile_open_command_file (const char *name)
+/* Open command file NAME. */
+
+static void
+ldfile_open_command_file_1 (const char *name, bfd_boolean default_only)
{
FILE *ldlex_input_stack;
- ldlex_input_stack = ldfile_find_command_file (name, "");
+ ldlex_input_stack = ldfile_find_command_file (name, "", default_only);
if (ldlex_input_stack == NULL)
{
saved_script_handle = ldlex_input_stack;
}
+/* Open command file NAME in the current directory, -L directories,
+ the default script location, in that order. */
+
+void
+ldfile_open_command_file (const char *name)
+{
+ ldfile_open_command_file_1 (name, FALSE);
+}
+
+/* Open command file NAME at the default script location. */
+
+void
+ldfile_open_default_command_file (const char *name)
+{
+ ldfile_open_command_file_1 (name, TRUE);
+}
+
void
ldfile_add_arch (const char *in_name)
{
char *name = xstrdup (in_name);
- search_arch_type *new = xmalloc (sizeof (search_arch_type));
+ search_arch_type *new_arch = (search_arch_type *)
+ xmalloc (sizeof (search_arch_type));
ldfile_output_machine_name = in_name;
- new->name = name;
- new->next = NULL;
+ new_arch->name = name;
+ new_arch->next = NULL;
while (*name)
{
*name = TOLOWER (*name);
name++;
}
- *search_arch_tail_ptr = new;
- search_arch_tail_ptr = &new->next;
+ *search_arch_tail_ptr = new_arch;
+ search_arch_tail_ptr = &new_arch->next;
}
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