/* Linker file opening and searching.
Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
+ 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
This file is part of the GNU Binutils.
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);
}
}
}
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)))
{
if (command_line.warn_search_mismatch)
}
}
- 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))
{
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;
}
projects / msp430-binutils.git / blobdiff