/* Linker file opening and searching.
- Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003
- Free Software Foundation, Inc.
+ Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002,
+ 2003, 2004, 2005, 2007 Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
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. */
+ Software Foundation, 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"
enum bfd_architecture ldfile_output_architecture;
search_dirs_type * search_head;
-#ifndef MPW
#ifdef VMS
-char * slash = "";
+static char * slash = "";
#else
#if defined (_WIN32) && ! defined (__CYGWIN32__)
-char * slash = "\\";
+static char * slash = "\\";
#else
-char * slash = "/";
+static char * slash = "/";
#endif
#endif
-#else /* MPW */
-/* The MPW path char is a colon. */
-char * slash = ":";
-#endif /* MPW */
typedef struct search_arch
{
static search_arch_type *search_arch_head;
static search_arch_type **search_arch_tail_ptr = &search_arch_head;
-static FILE *try_open
- PARAMS ((const char *, const char *));
-static bfd_boolean is_sysrooted_pathname
- PARAMS ((const char *, bfd_boolean));
-
/* Test whether a pathname, after canonicalization, is the same or a
sub-directory of the sysroot directory. */
static bfd_boolean
-is_sysrooted_pathname (name, notsame)
- const char *name;
- bfd_boolean notsame;
+is_sysrooted_pathname (const char *name, bfd_boolean notsame)
{
char * realname = ld_canon_sysroot ? lrealpath (name) : NULL;
int len;
if (! realname)
return FALSE;
-
+
len = strlen (realname);
if (((! notsame && len == ld_canon_sysroot_len)
Makes a copy of NAME using xmalloc(). */
void
-ldfile_add_library_path (name, cmdline)
- const char *name;
- bfd_boolean cmdline;
+ldfile_add_library_path (const char *name, bfd_boolean cmdline)
{
search_dirs_type *new;
- char *newname;
if (!cmdline && config.only_cmd_line_lib_dirs)
return;
- new = (search_dirs_type *) xmalloc (sizeof (search_dirs_type));
+ new = xmalloc (sizeof (search_dirs_type));
new->next = NULL;
new->cmdline = cmdline;
*search_tail_ptr = new;
/* Try to open a BFD for a lang_input_statement. */
bfd_boolean
-ldfile_try_open_bfd (attempt, entry)
- const char *attempt;
- lang_input_statement_type *entry;
+ldfile_try_open_bfd (const char *attempt,
+ lang_input_statement_type *entry)
{
entry->the_bfd = bfd_openr (attempt, entry->target);
/* 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. */
+ here. If we are statically linking, ensure that we don't link
+ a dynamic object. */
- if (entry->search_dirs_flag)
+ if (entry->search_dirs_flag || !entry->dynamic)
{
bfd *check;
if (! bfd_check_format (check, bfd_object))
{
if (check == entry->the_bfd
+ && entry->search_dirs_flag
&& bfd_get_error () == bfd_error_file_not_recognized
&& ! ldemul_unrecognized_file (entry))
{
if (yylval.bigint.str)
free (yylval.bigint.str);
break;
- }
+ }
token = yylex ();
}
ldlex_popstate ();
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;
return TRUE;
}
- if ((bfd_arch_get_compatible (check, output_bfd,
- command_line.accept_unknown_input_arch) == NULL)
+ if (!entry->dynamic && (entry->the_bfd->flags & DYNAMIC) != 0)
+ {
+ einfo (_("%F%P: attempted static link of dynamic object `%s'\n"),
+ attempt);
+ bfd_close (entry->the_bfd);
+ entry->the_bfd = NULL;
+ return FALSE;
+ }
+
+ if (entry->search_dirs_flag
+ && !bfd_arch_get_compatible (check, 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_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;
archive, use ARCH, LIB and SUFFIX to modify the file name. */
bfd_boolean
-ldfile_open_file_search (arch, entry, lib, suffix)
- const char *arch;
- lang_input_statement_type *entry;
- const char *lib;
- const char *suffix;
+ldfile_open_file_search (const char *arch,
+ lang_input_statement_type *entry,
+ const char *lib,
+ const char *suffix)
{
search_dirs_type *search;
return FALSE;
}
- for (search = search_head;
- search != (search_dirs_type *) NULL;
- search = search->next)
+ for (search = search_head; search != NULL; search = search->next)
{
char *string;
- if (entry->dynamic && ! link_info.relocateable)
+ if (entry->dynamic && ! link_info.relocatable)
{
if (ldemul_open_dynamic_archive (arch, search, entry))
{
}
}
- string = (char *) xmalloc (strlen (search->name)
- + strlen (slash)
- + strlen (lib)
- + strlen (entry->filename)
- + strlen (arch)
- + strlen (suffix)
- + 1);
+ 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,
/* Open the input file specified by ENTRY. */
void
-ldfile_open_file (entry)
- lang_input_statement_type *entry;
+ldfile_open_file (lang_input_statement_type *entry)
{
if (entry->the_bfd != NULL)
return;
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"),
+ einfo (_("%F%P: %s (%s): No such file: %E\n"),
entry->filename, entry->local_sym_name);
else
- einfo (_("%F%P: cannot open %s: %E\n"), entry->local_sym_name);
+ einfo (_("%F%P: %s: No such file: %E\n"), entry->local_sym_name);
}
else
{
bfd_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)
+ for (arch = search_arch_head; arch != NULL; arch = arch->next)
{
found = ldfile_open_file_search (arch->name, entry, "lib", ".a");
if (found)
/* Try to open NAME; if that fails, try NAME with EXTEN appended to it. */
static FILE *
-try_open (name, exten)
- const char *name;
- const char *exten;
+try_open (const char *name, const char *exten)
{
FILE *result;
char buff[1000];
/* Try to open NAME; if that fails, look for it in any directories
specified with -L, without and with EXTEND appended. */
-FILE *
-ldfile_find_command_file (name, extend)
- const char *name;
- const char *extend;
+static FILE *
+ldfile_find_command_file (const char *name, const char *extend)
{
search_dirs_type *search;
FILE *result;
/* First try raw name. */
result = try_open (name, "");
- if (result == (FILE *) NULL)
+ if (result == NULL)
{
/* Try now prefixes. */
- for (search = search_head;
- search != (search_dirs_type *) NULL;
- search = search->next)
+ for (search = search_head; search != NULL; search = search->next)
{
sprintf (buffer, "%s%s%s", search->name, slash, name);
}
void
-ldfile_open_command_file (name)
- const char *name;
+ldfile_open_command_file (const char *name)
{
FILE *ldlex_input_stack;
ldlex_input_stack = ldfile_find_command_file (name, "");
- if (ldlex_input_stack == (FILE *) NULL)
+ if (ldlex_input_stack == NULL)
{
bfd_set_error (bfd_error_system_call);
einfo (_("%P%F: cannot open linker script file %s: %E\n"), name);
saved_script_handle = ldlex_input_stack;
}
-#ifdef GNU960
-static char *
-gnu960_map_archname (name)
- char *name;
-{
- struct tabentry { char *cmd_switch; char *arch; };
- static struct tabentry arch_tab[] =
- {
- "", "",
- "KA", "ka",
- "KB", "kb",
- "KC", "mc", /* Synonym for MC */
- "MC", "mc",
- "CA", "ca",
- "SA", "ka", /* Functionally equivalent to KA */
- "SB", "kb", /* Functionally equivalent to KB */
- NULL, ""
- };
- struct tabentry *tp;
-
- 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);
-
- return tp->arch;
-}
-
void
-ldfile_add_arch (name)
- char *name;
-{
- search_arch_type *new =
- (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;
- }
-
- ldfile_output_machine_name = 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 */
-
-void
-ldfile_add_arch (in_name)
- const char *in_name;
+ldfile_add_arch (const char *in_name)
{
char *name = xstrdup (in_name);
- search_arch_type *new =
- (search_arch_type *) xmalloc (sizeof (search_arch_type));
+ search_arch_type *new = xmalloc (sizeof (search_arch_type));
ldfile_output_machine_name = in_name;
new->name = name;
- new->next = (search_arch_type *) NULL;
+ new->next = NULL;
while (*name)
{
*name = TOLOWER (*name);
search_arch_tail_ptr = &new->next;
}
-#endif
/* Set the output architecture. */
void
-ldfile_set_output_arch (string)
- const char *string;
+ldfile_set_output_arch (const char *string, enum bfd_architecture defarch)
{
const bfd_arch_info_type *arch = bfd_scan_arch (string);
ldfile_output_machine = arch->mach;
ldfile_output_machine_name = arch->printable_name;
}
+ else if (defarch != bfd_arch_unknown)
+ ldfile_output_architecture = defarch;
else
- {
- einfo (_("%P%F: cannot represent machine `%s'\n"), string);
- }
+ einfo (_("%P%F: cannot represent machine `%s'\n"), string);
}
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