/* 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, 2008 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"
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
{
if (! realname)
return FALSE;
-
+
len = strlen (realname);
if (((! notsame && len == ld_canon_sysroot_len)
now. */
if (name[0] == '=')
{
- new->name = concat (ld_sysroot, name + 1, NULL);
+ new->name = concat (ld_sysroot, name + 1, (const char *) NULL);
new->sysrooted = TRUE;
}
else
/* 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, 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))
{
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)
+ the dir where this program is/../lib
+ (for installing the tool suite elsewhere). */
+
+static char *
+find_scripts_dir (void)
+{
+ char *end, *dir;
+ size_t dirlen;
+
+ 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. */
+ end = strrchr (program_name, '/');
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+ {
+ /* We could have \foo\bar, or /foo\bar. */
+ char *bslash = strrchr (program_name, '\\');
+
+ if (end == NULL || (bslash != NULL && bslash > end))
+ end = bslash;
+ }
+#endif
+
+ if (end == NULL)
+ /* Don't look for ldscripts in the current directory. There is
+ too much potential for confusion. */
+ return NULL;
+
+ dirlen = end - program_name;
+ /* Make a copy of program_name in dir.
+ Leave room for later "/../lib". */
+ dir = xmalloc (dirlen + sizeof ("/../lib"));
+ strncpy (dir, program_name, dirlen);
+ dir[dirlen] = '\0';
+
+ if (check_for_scripts_dir (dir))
+ return dir;
+
+ /* Look for "ldscripts" in <the dir where our binary is>/../lib. */
+ strcpy (dir + dirlen, "/../lib");
+ if (check_for_scripts_dir (dir))
+ return dir;
+ free (dir);
+ return NULL;
+}
+
+/* Try to open NAME; if that fails, look for it in the default script
+ directory, then in any directories specified with -L, without and
+ with EXTEND appended. */
-FILE *
+static FILE *
ldfile_find_command_file (const char *name, const char *extend)
{
search_dirs_type *search;
FILE *result;
- char buffer[1000];
+ char *buffer;
+ static search_dirs_type *script_search;
/* First try raw name. */
result = try_open (name, "");
- if (result == NULL)
+ if (result != NULL)
+ return result;
+
+ if (!script_search)
{
- /* Try now prefixes. */
- for (search = search_head; search != NULL; search = search->next)
+ char *script_dir = find_scripts_dir ();
+ if (script_dir)
{
- sprintf (buffer, "%s%s%s", search->name, slash, name);
-
- result = try_open (buffer, extend);
- if (result)
- break;
+ 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;
}
+ if (!script_search)
+ script_search = search_head;
+ else
+ script_search->next = search_head;
+ }
+
+ /* Try now prefixes. */
+ for (search = script_search; search != NULL; search = search->next)
+ {
+
+ buffer = concat (search->name, slash, name, (const char *) NULL);
+ result = try_open (buffer, extend);
+ free (buffer);
+ if (result)
+ break;
}
return result;
saved_script_handle = ldlex_input_stack;
}
-#ifdef GNU960
-static char *
-gnu960_map_archname (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 (char *name)
-{
- search_arch_type *new = xmalloc (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 = 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 (const char *in_name)
{
search_arch_tail_ptr = &new->next;
}
-#endif
/* Set the output architecture. */
void
-ldfile_set_output_arch (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);
}
projects / deliverable / binutils-gdb.git / blobdiff