/* Main program of GNU linker.
- Copyright (C) 1991, 92, 93, 94, 1995 Free Software Foundation, Inc.
+ Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
Written by Steve Chamberlain steve@cygnus.com
This file is part of GLD, the Gnu Linker.
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 GLD; see the file COPYING. If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
static boolean unattached_reloc PARAMS ((struct bfd_link_info *,
const char *, bfd *, asection *,
bfd_vma));
-static boolean notice_ysym PARAMS ((struct bfd_link_info *, const char *,
- bfd *, asection *, bfd_vma));
+static boolean notice PARAMS ((struct bfd_link_info *, const char *,
+ bfd *, asection *, bfd_vma));
static struct bfd_link_callbacks link_callbacks =
{
reloc_overflow,
reloc_dangerous,
unattached_reloc,
- notice_ysym
+ notice
};
struct bfd_link_info link_info;
bfd_init ();
+ bfd_set_error_program_name (program_name);
+
xatexit (remove_output);
/* Initialize the data about options. */
trace_files = trace_file_tries = version_printed = false;
whole_archive = false;
- config.traditional_format = false;
config.build_constructors = true;
config.dynamic_link = false;
command_line.force_common_definition = false;
link_info.shared = false;
link_info.symbolic = false;
link_info.static_link = false;
+ link_info.traditional_format = false;
link_info.strip = strip_none;
link_info.discard = discard_none;
link_info.lprefix_len = 1;
link_info.create_object_symbols_section = NULL;
link_info.hash = NULL;
link_info.keep_hash = NULL;
+ link_info.notice_all = false;
link_info.notice_hash = NULL;
link_info.wrap_hash = NULL;
ldwrite ();
+ if (config.map_file != NULL)
+ lang_map ();
+ if (command_line.cref)
+ output_cref (config.map_file != NULL ? config.map_file : stdout);
+ if (nocrossref_list != NULL)
+ check_nocrossrefs ();
+
/* Even if we're producing relocateable output, some non-fatal errors should
be reported in the exit status. (What non-fatal errors, if any, do we
want to ignore for relocateable output?) */
output_filename);
}
- if (output_bfd->iostream)
- fclose ((FILE *) (output_bfd->iostream));
+ /* The file will be removed by remove_output. */
- unlink (output_filename);
xexit (1);
}
else
{
if (! bfd_close (output_bfd))
einfo ("%F%B: final close failed: %E\n", output_bfd);
+
+ /* If the --force-exe-suffix is enabled, and we're making an
+ executable file and it doesn't end in .exe, copy it to one which does. */
+
+ if (! link_info.relocateable && command_line.force_exe_suffix)
+ {
+ int len = strlen (output_filename);
+ if (len < 4
+ || (strcasecmp (output_filename + len - 4, ".exe") != 0
+ && strcasecmp (output_filename + len - 4, ".dll") != 0))
+ {
+ FILE *src;
+ FILE *dst;
+ const int bsize = 4096;
+ char *buf = xmalloc (bsize);
+ int l;
+ char *dst_name = xmalloc (len + 5);
+ strcpy (dst_name, output_filename);
+ strcat (dst_name, ".exe");
+ src = fopen (output_filename, FOPEN_RB);
+ dst = fopen (dst_name, FOPEN_WB);
+
+ if (!src)
+ einfo ("%X%P: unable to open for source of copy `%s'\n", output_filename);
+ if (!dst)
+ einfo ("%X%P: unable to open for destination of copy `%s'\n", dst_name);
+ while ((l = fread (buf, 1, bsize, src)) > 0)
+ {
+ int done = fwrite (buf, 1, l, dst);
+ if (done != l)
+ {
+ einfo ("%P: Error writing file `%s'\n", dst_name);
+ }
+ }
+ fclose (src);
+ if (!fclose (dst))
+ {
+ einfo ("%P: Error closing file `%s'\n", dst_name);
+ }
+ free (dst_name);
+ free (buf);
+ }
+ }
}
END_PROGRESS (program_name);
einfo ("%P%F: bfd_hash_lookup failed: %E\n");
}
+/* Record a symbol to be wrapped, from the --wrap option. */
+
+void
+add_wrap (name)
+ const char *name;
+{
+ if (link_info.wrap_hash == NULL)
+ {
+ link_info.wrap_hash = ((struct bfd_hash_table *)
+ xmalloc (sizeof (struct bfd_hash_table)));
+ if (! bfd_hash_table_init_n (link_info.wrap_hash,
+ bfd_hash_newfunc,
+ 61))
+ einfo ("%P%F: bfd_hash_table_init failed: %E\n");
+ }
+ if (bfd_hash_lookup (link_info.wrap_hash, name, true, true) == NULL)
+ einfo ("%P%F: bfd_hash_lookup failed: %E\n");
+}
+
/* Handle the -retain-symbols-file option. */
void
/* FIXME: The following fields are not set: header.next,
header.type, closed, passive_position, symbol_count,
- next_real_file, is_archive, target, real, common_section,
- common_output_section, complained. This bit of code is from the
- old decode_library_subfile function. I don't know whether any of
- those fields matters. */
+ next_real_file, is_archive, target, real. This bit of code is
+ from the old decode_library_subfile function. I don't know
+ whether any of those fields matters. */
ldlang_add_file (input);
if (config.map_file != (FILE *) NULL)
- minfo ("%s needed due to %T\n", abfd->filename, name);
+ {
+ static boolean header_printed;
+ struct bfd_link_hash_entry *h;
+ bfd *from;
+ int len;
+
+ h = bfd_link_hash_lookup (link_info.hash, name, false, false, true);
+
+ if (h == NULL)
+ from = NULL;
+ else
+ {
+ switch (h->type)
+ {
+ default:
+ from = NULL;
+ break;
+
+ case bfd_link_hash_defined:
+ case bfd_link_hash_defweak:
+ from = h->u.def.section->owner;
+ break;
+
+ case bfd_link_hash_undefined:
+ case bfd_link_hash_undefweak:
+ from = h->u.undef.abfd;
+ break;
+
+ case bfd_link_hash_common:
+ from = h->u.c.p->section->owner;
+ break;
+ }
+ }
+
+ if (! header_printed)
+ {
+ char buf[100];
+
+ sprintf (buf, "%-29s %s\n\n", "Archive member included",
+ "because of file (symbol)");
+ minfo ("%s", buf);
+ header_printed = true;
+ }
+
+ if (bfd_my_archive (abfd) == NULL)
+ {
+ minfo ("%s", bfd_get_filename (abfd));
+ len = strlen (bfd_get_filename (abfd));
+ }
+ else
+ {
+ minfo ("%s(%s)", bfd_get_filename (bfd_my_archive (abfd)),
+ bfd_get_filename (abfd));
+ len = (strlen (bfd_get_filename (bfd_my_archive (abfd)))
+ + strlen (bfd_get_filename (abfd))
+ + 2);
+ }
+
+ if (len >= 29)
+ {
+ print_nl ();
+ len = 0;
+ }
+ while (len < 30)
+ {
+ print_space ();
+ ++len;
+ }
+
+ if (from != NULL)
+ minfo ("%B ", from);
+ if (h != NULL)
+ minfo ("(%T)\n", h->root.string);
+ else
+ minfo ("(%s)\n", name);
+ }
if (trace_files || trace_file_tries)
info_msg ("%I\n", input);
asection *nsec;
bfd_vma nval;
{
+ /* If either section has the output_section field set to
+ bfd_abs_section_ptr, it means that the section is being
+ discarded, and this is not really a multiple definition at all.
+ FIXME: It would be cleaner to somehow ignore symbols defined in
+ sections which are being discarded. */
+ if ((osec->output_section != NULL
+ && bfd_is_abs_section (osec->output_section))
+ || (nsec->output_section != NULL
+ && bfd_is_abs_section (nsec->output_section)))
+ return true;
+
einfo ("%X%C: multiple definition of `%T'\n",
nbfd, nsec, nval, name);
if (obfd != (bfd *) NULL)
else
strcpy (s, "__DTOR_LIST__");
- if (config.map_file != (FILE *) NULL)
- fprintf (config.map_file,
- "Adding %s to constructor/destructor set %s\n", name, set_name);
-
h = bfd_link_hash_lookup (info->hash, set_name, true, true, true);
if (h == (struct bfd_link_hash_entry *) NULL)
einfo ("%P%F: bfd_link_hash_lookup failed: %E\n");
if (! info.found)
einfo ("%B: %s\n", abfd, warning);
+
+ if (entry == NULL)
+ free (asymbols);
}
return true;
return true;
}
-/* This is called when a symbol in notice_hash is found. Symbols are
- put in notice_hash using the -y option. */
+/* This is called if link_info.notice_all is set, or when a symbol in
+ link_info.notice_hash is found. Symbols are put in notice_hash
+ using the -y option. */
-/*ARGSUSED*/
static boolean
-notice_ysym (info, name, abfd, section, value)
+notice (info, name, abfd, section, value)
struct bfd_link_info *info;
const char *name;
bfd *abfd;
asection *section;
bfd_vma value;
{
- einfo ("%B: %s %s\n", abfd,
- bfd_is_und_section (section) ? "reference to" : "definition of",
- name);
+ if (! info->notice_all
+ || (info->notice_hash != NULL
+ && bfd_hash_lookup (info->notice_hash, name, false, false) != NULL))
+ einfo ("%B: %s %s\n", abfd,
+ bfd_is_und_section (section) ? "reference to" : "definition of",
+ name);
+
+ if (command_line.cref || nocrossref_list != NULL)
+ add_cref (name, abfd, section, value);
+
return true;
}