/* Linker file opening and searching.
- Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004, 2005, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1991-2014 Free Software Foundation, Inc.
This file is part of the GNU Binutils.
#include "plugin.h"
#endif /* ENABLE_PLUGINS */
-const char * ldfile_input_filename;
bfd_boolean ldfile_assumed_script = FALSE;
const char * ldfile_output_machine_name = "";
unsigned long ldfile_output_machine;
sub-directory of the sysroot directory. */
static bfd_boolean
-is_sysrooted_pathname (const char *name, bfd_boolean notsame)
+is_sysrooted_pathname (const char *name)
{
- char * realname = ld_canon_sysroot ? lrealpath (name) : NULL;
+ char *realname;
int len;
bfd_boolean result;
- if (! realname)
+ if (ld_canon_sysroot == NULL)
return FALSE;
+ realname = lrealpath (name);
len = strlen (realname);
+ result = FALSE;
+ if (len > ld_canon_sysroot_len
+ && IS_DIR_SEPARATOR (realname[ld_canon_sysroot_len]))
+ {
+ realname[ld_canon_sysroot_len] = '\0';
+ result = FILENAME_CMP (ld_canon_sysroot, realname) == 0;
+ }
- if (((! notsame && len == ld_canon_sysroot_len)
- || (len >= ld_canon_sysroot_len
- && IS_DIR_SEPARATOR (realname[ld_canon_sysroot_len])
- && (realname[ld_canon_sysroot_len] = '\0') == '\0'))
- && FILENAME_CMP (ld_canon_sysroot, realname) == 0)
- result = TRUE;
- else
- result = FALSE;
-
- if (realname)
- free (realname);
-
+ free (realname);
return result;
}
/* If a directory is marked as honoring sysroot, prepend the sysroot path
now. */
if (name[0] == '=')
- {
- new_dirs->name = concat (ld_sysroot, name + 1, (const char *) NULL);
- new_dirs->sysrooted = TRUE;
- }
+ new_dirs->name = concat (ld_sysroot, name + 1, (const char *) NULL);
else
- {
- new_dirs->name = xstrdup (name);
- new_dirs->sysrooted = is_sysrooted_pathname (name, FALSE);
- }
+ new_dirs->name = xstrdup (name);
}
/* Try to open a BFD for a lang_input_statement. */
{
entry->the_bfd = bfd_openr (attempt, entry->target);
- if (trace_file_tries)
+ if (verbose)
{
if (entry->the_bfd == NULL)
info_msg (_("attempt to open %s failed\n"), attempt);
checks out compatible, do not exit early returning TRUE, or
the plugins will not get a chance to claim the file. */
- if (entry->search_dirs_flag || !entry->dynamic)
+ if (entry->flags.search_dirs || !entry->flags.dynamic)
{
bfd *check;
if (! bfd_check_format (check, bfd_object))
{
if (check == entry->the_bfd
- && entry->search_dirs_flag
+ && entry->flags.search_dirs
&& bfd_get_error () == bfd_error_file_not_recognized
&& ! ldemul_unrecognized_file (entry))
{
goto success;
}
- if (!entry->dynamic && (entry->the_bfd->flags & DYNAMIC) != 0)
+ if (!entry->flags.dynamic && (entry->the_bfd->flags & DYNAMIC) != 0)
{
einfo (_("%F%P: attempted static link of dynamic object `%s'\n"),
attempt);
return FALSE;
}
- if (entry->search_dirs_flag
+ if (entry->flags.search_dirs
&& !bfd_arch_get_compatible (check, link_info.output_bfd,
command_line.accept_unknown_input_arch)
/* XCOFF archives can have 32 and 64 bit objects. */
will be needed when and if we want to bfd_create a new
one using this one as a template. */
if (bfd_check_format (entry->the_bfd, bfd_object)
- && plugin_active_plugins_p ())
+ && plugin_active_plugins_p ()
+ && !no_more_claiming)
{
int fd = open (attempt, O_RDONLY | O_BINARY);
if (fd >= 0)
{
struct ld_plugin_input_file file;
- int claimed = 0;
file.name = attempt;
file.offset = 0;
file.filesize = lseek (fd, 0, SEEK_END);
file.fd = fd;
- /* We create a dummy BFD, initially empty, to house
- whatever symbols the plugin may want to add. */
- file.handle = plugin_get_ir_dummy_bfd (attempt, entry->the_bfd);
- if (plugin_call_claim_file (&file, &claimed))
- einfo (_("%P%F: %s: plugin reported error claiming file\n"),
- plugin_error_plugin ());
- /* fd belongs to us, not the plugin; but we don't need it. */
- close (fd);
- if (claimed)
- {
- /* Discard the real file's BFD and substitute the dummy one. */
- bfd_close (entry->the_bfd);
- entry->the_bfd = file.handle;
- entry->claimed = TRUE;
- bfd_make_readable (entry->the_bfd);
- }
- else
- {
- /* If plugin didn't claim the file, we don't need the dummy
- bfd. Can't avoid speculatively creating it, alas. */
- bfd_close_all_done (file.handle);
- entry->claimed = FALSE;
- }
+ plugin_maybe_claim (&file, entry);
}
}
#endif /* ENABLE_PLUGINS */
/* If this is not an archive, try to open it in the current
directory first. */
- if (! entry->maybe_archive)
+ if (! entry->flags.maybe_archive)
{
- if (entry->sysrooted && IS_ABSOLUTE_PATH (entry->filename))
+ if (entry->flags.sysrooted && IS_ABSOLUTE_PATH (entry->filename))
{
char *name = concat (ld_sysroot, entry->filename,
(const char *) NULL);
free (name);
}
else if (ldfile_try_open_bfd (entry->filename, entry))
- {
- entry->sysrooted = IS_ABSOLUTE_PATH (entry->filename)
- && is_sysrooted_pathname (entry->filename, TRUE);
- return TRUE;
- }
+ return TRUE;
if (IS_ABSOLUTE_PATH (entry->filename))
return FALSE;
{
char *string;
- if (entry->dynamic && ! link_info.relocatable)
+ if (entry->flags.dynamic && ! link_info.relocatable)
{
if (ldemul_open_dynamic_archive (arch, search, entry))
- {
- entry->sysrooted = search->sysrooted;
- return TRUE;
- }
+ return TRUE;
}
- if (entry->maybe_archive)
+ if (entry->flags.maybe_archive && !entry->flags.full_name_provided)
string = concat (search->name, slash, lib, entry->filename,
arch, suffix, (const char *) NULL);
else
if (ldfile_try_open_bfd (string, entry))
{
entry->filename = string;
- entry->sysrooted = search->sysrooted;
return TRUE;
}
if (entry->the_bfd != NULL)
return;
- if (! entry->search_dirs_flag)
+ if (! entry->flags.search_dirs)
{
if (ldfile_try_open_bfd (entry->filename, entry))
return;
- if (strcmp (entry->filename, entry->local_sym_name) != 0)
+ if (filename_cmp (entry->filename, entry->local_sym_name) != 0)
einfo (_("%P: cannot find %s (%s): %E\n"),
entry->filename, entry->local_sym_name);
else
einfo (_("%P: cannot find %s: %E\n"), entry->local_sym_name);
- entry->missing_file = TRUE;
- missing_file = TRUE;
+ entry->flags.missing_file = TRUE;
+ input_flags.missing_file = TRUE;
}
else
{
/* If we have found the file, we don't need to search directories
again. */
if (found)
- entry->search_dirs_flag = FALSE;
+ entry->flags.search_dirs = FALSE;
else
{
- if (entry->sysrooted
+ if (entry->flags.sysrooted
&& ld_sysroot
&& IS_ABSOLUTE_PATH (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;
+ entry->flags.missing_file = TRUE;
+ input_flags.missing_file = TRUE;
}
}
}
-/* Try to open NAME; if that fails, try NAME with EXTEN appended to it. */
+/* Try to open NAME. */
static FILE *
-try_open (const char *name, const char *exten)
+try_open (const char *name, bfd_boolean *sysrooted)
{
FILE *result;
result = fopen (name, "r");
- if (trace_file_tries)
+ if (result != NULL)
+ *sysrooted = is_sysrooted_pathname (name);
+
+ if (verbose)
{
if (result == NULL)
info_msg (_("cannot find script file %s\n"), name);
info_msg (_("opened script file %s\n"), name);
}
- if (result != NULL)
- return result;
-
- if (*exten)
- {
- char *buff;
-
- buff = concat (name, exten, (const char *) NULL);
- result = fopen (buff, "r");
-
- if (trace_file_tries)
- {
- if (result == NULL)
- info_msg (_("cannot find script file %s\n"), buff);
- else
- info_msg (_("opened script file %s\n"), buff);
- }
- free (buff);
- }
-
return result;
}
/* 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. */
+ directory. 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,
- bfd_boolean default_only)
+ldfile_find_command_file (const char *name,
+ bfd_boolean default_only,
+ bfd_boolean *sysrooted)
{
search_dirs_type *search;
FILE *result = NULL;
- char *buffer;
+ char *path;
static search_dirs_type *script_search;
if (!default_only)
{
/* First try raw name. */
- result = try_open (name, "");
+ result = try_open (name, sysrooted);
if (result != NULL)
return result;
}
search != NULL;
search = search->next)
{
- buffer = concat (search->name, slash, name, (const char *) NULL);
- result = try_open (buffer, extend);
- free (buffer);
+ path = concat (search->name, slash, name, (const char *) NULL);
+ result = try_open (path, sysrooted);
+ free (path);
if (result)
break;
}
ldfile_open_command_file_1 (const char *name, bfd_boolean default_only)
{
FILE *ldlex_input_stack;
- ldlex_input_stack = ldfile_find_command_file (name, "", default_only);
+ bfd_boolean sysrooted;
+
+ ldlex_input_stack = ldfile_find_command_file (name, default_only, &sysrooted);
if (ldlex_input_stack == NULL)
{
bfd_set_error (bfd_error_system_call);
einfo (_("%P%F: cannot open linker script file %s: %E\n"), name);
+ return;
}
- lex_push_file (ldlex_input_stack, name);
+ lex_push_file (ldlex_input_stack, name, sysrooted);
- ldfile_input_filename = name;
lineno = 1;
saved_script_handle = ldlex_input_stack;
projects / platform / upstream / binutils.git / blobdiff