Upgrade binutils and gold.

upgrade binutils-2.19 to binutils-2.20.1
upgrade gold to a relatively new version binutils-20100303

Before, both binutils and gold were built from binutils-2.19.
Now binutils will be built from binutils-2.20.1 and gold will
be built from binutils-20100303.

Change-Id: Ibd0130756723337d2b4783d5b1d5e5b02a1adc83

1 files changed, 352 insertions, 0 deletions

diff --git a/binutils-2.20.1/ld/ldemul.c b/binutils-2.20.1/ld/ldemul.c
new file mode 100644
index 00000000..c77eeb0e
--- /dev/null
+++ b/binutils-2.20.1/ld/ldemul.c
@@ -0,0 +1,352 @@
+/* ldemul.c -- clearing house for ld emulation states
+   Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+   2001, 2002, 2003, 2005, 2007, 2008, 2009
+   Free Software Foundation, Inc.
+
+   This file is part of the GNU Binutils.
+
+   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 3 of the License, or
+   (at your option) any later version.
+
+   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 this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+#include "sysdep.h"
+#include "bfd.h"
+#include "getopt.h"
+#include "bfdlink.h"
+
+#include "ld.h"
+#include "ldmisc.h"
+#include "ldexp.h"
+#include "ldlang.h"
+#include "ldfile.h"
+#include "ldemul.h"
+#include "ldmain.h"
+#include "ldemul-list.h"
+
+static ld_emulation_xfer_type *ld_emulation;
+
+void
+ldemul_hll (char *name)
+{
+  ld_emulation->hll (name);
+}
+
+void
+ldemul_syslib (char *name)
+{
+  ld_emulation->syslib (name);
+}
+
+void
+ldemul_after_parse (void)
+{
+  ld_emulation->after_parse ();
+}
+
+void
+ldemul_before_parse (void)
+{
+  ld_emulation->before_parse ();
+}
+
+void
+ldemul_after_open (void)
+{
+  ld_emulation->after_open ();
+}
+
+void
+ldemul_after_allocation (void)
+{
+  ld_emulation->after_allocation ();
+}
+
+void
+ldemul_before_allocation (void)
+{
+  ld_emulation->before_allocation ();
+}
+
+void
+ldemul_set_output_arch (void)
+{
+  ld_emulation->set_output_arch ();
+}
+
+void
+ldemul_finish (void)
+{
+  ld_emulation->finish ();
+}
+
+void
+ldemul_set_symbols (void)
+{
+  if (ld_emulation->set_symbols)
+    ld_emulation->set_symbols ();
+}
+
+void
+ldemul_create_output_section_statements (void)
+{
+  if (ld_emulation->create_output_section_statements)
+    ld_emulation->create_output_section_statements ();
+}
+
+char *
+ldemul_get_script (int *isfile)
+{
+  return ld_emulation->get_script (isfile);
+}
+
+bfd_boolean
+ldemul_open_dynamic_archive (const char *arch, search_dirs_type *search,
+			     lang_input_statement_type *entry)
+{
+  if (ld_emulation->open_dynamic_archive)
+    return (*ld_emulation->open_dynamic_archive) (arch, search, entry);
+  return FALSE;
+}
+
+lang_output_section_statement_type *
+ldemul_place_orphan (asection *s, const char *name, int constraint)
+{
+  if (ld_emulation->place_orphan)
+    return (*ld_emulation->place_orphan) (s, name, constraint);
+  return NULL;
+}
+
+void
+ldemul_add_options (int ns, char **shortopts, int nl,
+		    struct option **longopts, int nrl,
+		    struct option **really_longopts)
+{
+  if (ld_emulation->add_options)
+    (*ld_emulation->add_options) (ns, shortopts, nl, longopts,
+				  nrl, really_longopts);
+}
+
+bfd_boolean
+ldemul_handle_option (int optc)
+{
+  if (ld_emulation->handle_option)
+    return (*ld_emulation->handle_option) (optc);
+  return FALSE;
+}
+
+bfd_boolean
+ldemul_parse_args (int argc, char **argv)
+{
+  /* Try and use the emulation parser if there is one.  */
+  if (ld_emulation->parse_args)
+    return (*ld_emulation->parse_args) (argc, argv);
+  return FALSE;
+}
+
+/* Let the emulation code handle an unrecognized file.  */
+
+bfd_boolean
+ldemul_unrecognized_file (lang_input_statement_type *entry)
+{
+  if (ld_emulation->unrecognized_file)
+    return (*ld_emulation->unrecognized_file) (entry);
+  return FALSE;
+}
+
+/* Let the emulation code handle a recognized file.  */
+
+bfd_boolean
+ldemul_recognized_file (lang_input_statement_type *entry)
+{
+  if (ld_emulation->recognized_file)
+    return (*ld_emulation->recognized_file) (entry);
+  return FALSE;
+}
+
+char *
+ldemul_choose_target (int argc, char **argv)
+{
+  return ld_emulation->choose_target (argc, argv);
+}
+
+
+/* The default choose_target function.  */
+
+char *
+ldemul_default_target (int argc ATTRIBUTE_UNUSED, char **argv ATTRIBUTE_UNUSED)
+{
+  char *from_outside = getenv (TARGET_ENVIRON);
+  if (from_outside != (char *) NULL)
+    return from_outside;
+  return ld_emulation->target_name;
+}
+
+/* If the entry point was not specified as an address, then add the
+   symbol as undefined.  This will cause ld to extract an archive
+   element defining the entry if ld is linking against such an archive.
+
+   We don't do this when generating shared libraries unless given -e
+   on the command line, because most shared libs are not designed to
+   be run as an executable.  However, some are, eg. glibc ld.so and
+   may rely on the default linker script supplying ENTRY.  So we can't
+   remove the ENTRY from the script, but would rather not insert
+   undefined _start syms.  */
+
+void
+after_parse_default (void)
+{
+  if (entry_symbol.name != NULL
+      && (link_info.executable || entry_from_cmdline))
+    {
+      bfd_boolean is_vma = FALSE;
+
+      if (entry_from_cmdline)
+	{
+	  const char *send;
+
+	  bfd_scan_vma (entry_symbol.name, &send, 0);
+	  is_vma = *send == '\0';
+	}
+      if (!is_vma)
+	ldlang_add_undef (entry_symbol.name);
+    }
+}
+
+void
+after_open_default (void)
+{
+}
+
+void
+after_allocation_default (void)
+{
+  lang_relax_sections (FALSE);
+}
+
+void
+before_allocation_default (void)
+{
+  if (!link_info.relocatable)
+    strip_excluded_output_sections ();
+}
+
+void
+finish_default (void)
+{
+  if (!link_info.relocatable)
+    _bfd_fix_excluded_sec_syms (link_info.output_bfd, &link_info);
+}
+
+void
+set_output_arch_default (void)
+{
+  /* Set the output architecture and machine if possible.  */
+  bfd_set_arch_mach (link_info.output_bfd,
+		     ldfile_output_architecture, ldfile_output_machine);
+
+  bfd_emul_set_maxpagesize (output_target, config.maxpagesize);
+  bfd_emul_set_commonpagesize (output_target, config.commonpagesize);
+}
+
+void
+syslib_default (char *ignore ATTRIBUTE_UNUSED)
+{
+  info_msg (_("%S SYSLIB ignored\n"));
+}
+
+void
+hll_default (char *ignore ATTRIBUTE_UNUSED)
+{
+  info_msg (_("%S HLL ignored\n"));
+}
+
+ld_emulation_xfer_type *ld_emulations[] = { EMULATION_LIST };
+
+void
+ldemul_choose_mode (char *target)
+{
+  ld_emulation_xfer_type **eptr = ld_emulations;
+  /* Ignore "gld" prefix.  */
+  if (target[0] == 'g' && target[1] == 'l' && target[2] == 'd')
+    target += 3;
+  for (; *eptr; eptr++)
+    {
+      if (strcmp (target, (*eptr)->emulation_name) == 0)
+	{
+	  ld_emulation = *eptr;
+	  return;
+	}
+    }
+  einfo (_("%P: unrecognised emulation mode: %s\n"), target);
+  einfo (_("Supported emulations: "));
+  ldemul_list_emulations (stderr);
+  einfo ("%F\n");
+}
+
+void
+ldemul_list_emulations (FILE *f)
+{
+  ld_emulation_xfer_type **eptr = ld_emulations;
+  bfd_boolean first = TRUE;
+
+  for (; *eptr; eptr++)
+    {
+      if (first)
+	first = FALSE;
+      else
+	fprintf (f, " ");
+      fprintf (f, "%s", (*eptr)->emulation_name);
+    }
+}
+
+void
+ldemul_list_emulation_options (FILE *f)
+{
+  ld_emulation_xfer_type **eptr;
+  int options_found = 0;
+
+  for (eptr = ld_emulations; *eptr; eptr++)
+    {
+      ld_emulation_xfer_type *emul = *eptr;
+
+      if (emul->list_options)
+	{
+	  fprintf (f, "%s: \n", emul->emulation_name);
+
+	  emul->list_options (f);
+
+	  options_found = 1;
+	}
+    }
+
+  if (! options_found)
+    fprintf (f, _("  no emulation specific options.\n"));
+}
+
+int
+ldemul_find_potential_libraries (char *name, lang_input_statement_type *entry)
+{
+  if (ld_emulation->find_potential_libraries)
+    return ld_emulation->find_potential_libraries (name, entry);
+
+  return 0;
+}
+
+struct bfd_elf_version_expr *
+ldemul_new_vers_pattern (struct bfd_elf_version_expr *entry)
+{
+  if (ld_emulation->new_vers_pattern)
+    entry = (*ld_emulation->new_vers_pattern) (entry);
+  return entry;
+}