1 files changed, 105 insertions, 0 deletions
diff --git a/ld/emultempl/tic6xdsbt.em b/ld/emultempl/tic6xdsbt.em
new file mode 100644
index 0000000..875148e
--- /dev/null
+++ b/ld/emultempl/tic6xdsbt.em
@@ -0,0 +1,105 @@
+# This shell script emits a C file. -*- C -*-
+#   Copyright 2011 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.
+#
+
+# This file is sourced from elf32.em, and defines extra C6X DSBT specific
+# features.
+#
+fragment <<EOF
+#include "ldctor.h"
+#include "elf32-tic6x.h"
+
+static struct elf32_tic6x_params params =
+{
+  0, 64
+};
+
+static int
+is_tic6x_target (void)
+{
+  extern const bfd_target bfd_elf32_tic6x_le_vec;
+  extern const bfd_target bfd_elf32_tic6x_be_vec;
+
+  return (link_info.output_bfd->xvec == &bfd_elf32_tic6x_le_vec
+  	  || link_info.output_bfd->xvec == &bfd_elf32_tic6x_be_vec);
+}
+
+/* Pass params to backend.  */
+
+static void
+tic6x_after_open (void)
+{
+  if (is_tic6x_target ())
+    {
+      if (params.dsbt_index >= params.dsbt_size)
+	{
+	  einfo (_("%P%F: invalid --dsbt-index %d, outside DSBT size.\n"),
+		 params.dsbt_index);
+	}
+      elf32_tic6x_setup (&link_info, &params);
+    }
+
+  gld${EMULATION_NAME}_after_open ();
+}
+EOF
+
+# This code gets inserted into the generic elf32.sc linker script
+# and allows us to define our own command line switches.
+PARSE_AND_LIST_PROLOGUE='
+#define OPTION_DSBT_INDEX		300
+#define OPTION_DSBT_SIZE		301
+'
+
+PARSE_AND_LIST_LONGOPTS='
+  {"dsbt-index", required_argument, NULL, OPTION_DSBT_INDEX},
+  {"dsbt-size", required_argument, NULL, OPTION_DSBT_SIZE},
+'
+
+PARSE_AND_LIST_OPTIONS='
+  fprintf (file, _("  --dsbt-index <index>\n"));
+  fprintf (file, _("\t\t\tUse this as the DSBT index for the output object\n"));
+  fprintf (file, _("  --dsbt-size <index>\n"));
+  fprintf (file, _("\t\t\tUse this as the number of entries in the DSBT table\n"));
+'
+
+PARSE_AND_LIST_ARGS_CASES='
+    case OPTION_DSBT_INDEX:
+      {
+	char *end;
+	params.dsbt_index = strtol (optarg, &end, 0);
+	if (*end == 0
+	    && params.dsbt_index >= 0 && params.dsbt_index < 0x7fff)
+	  break;
+	einfo (_("%P%F: invalid --dsbt-index %s\n"), optarg);
+      }
+      break;
+    case OPTION_DSBT_SIZE:
+      {
+	char *end;
+	params.dsbt_size = strtol (optarg, &end, 0);
+	if (*end == 0
+	    && params.dsbt_size >= 0 && params.dsbt_size < 0x7fff)
+	  break;
+	einfo (_("%P%F: invalid --dsbt-size %s\n"), optarg);
+      }
+      break;
+'
+
+LDEMUL_AFTER_OPEN=tic6x_after_open