1 files changed, 76 insertions, 0 deletions
diff --git a/gcc/common/config/arm/arm-common.c b/gcc/common/config/arm/arm-common.c
new file mode 100644
index 00000000000..b8348bfb9f2
--- /dev/null
+++ b/gcc/common/config/arm/arm-common.c
@@ -0,0 +1,76 @@
+/* Common hooks for ARM.
+   Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
+   2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+   Free Software Foundation, Inc.
+
+   This file is part of GCC.
+
+   GCC 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, or (at your
+   option) any later version.
+
+   GCC 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 GCC; see the file COPYING3.  If not see
+   <http://www.gnu.org/licenses/>.  */
+
+#include "config.h"
+#include "system.h"
+#include "coretypes.h"
+#include "tm.h"
+#include "tm_p.h"
+#include "common/common-target.h"
+#include "common/common-target-def.h"
+#include "opts.h"
+#include "flags.h"
+
+/* Set default optimization options.  */
+static const struct default_options arm_option_optimization_table[] =
+  {
+    /* Enable section anchors by default at -O1 or higher.  */
+    { OPT_LEVELS_1_PLUS, OPT_fsection_anchors, NULL, 1 },
+    { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
+    { OPT_LEVELS_NONE, 0, NULL, 0 }
+  };
+
+/* Implement TARGET_EXCEPT_UNWIND_INFO.  */
+
+enum unwind_info_type
+arm_except_unwind_info (struct gcc_options *opts)
+{
+  /* Honor the --enable-sjlj-exceptions configure switch.  */
+#ifdef CONFIG_SJLJ_EXCEPTIONS
+  if (CONFIG_SJLJ_EXCEPTIONS)
+    return UI_SJLJ;
+#endif
+
+  /* If not using ARM EABI unwind tables... */
+  if (ARM_UNWIND_INFO)
+    {
+      /* For simplicity elsewhere in this file, indicate that all unwind
+	 info is disabled if we're not emitting unwind tables.  */
+      if (!opts->x_flag_exceptions && !opts->x_flag_unwind_tables)
+	return UI_NONE;
+      else
+	return UI_TARGET;
+    }
+
+  /* ... we use sjlj exceptions for backwards compatibility.  */
+  return UI_SJLJ;
+}
+
+#undef  TARGET_DEFAULT_TARGET_FLAGS
+#define TARGET_DEFAULT_TARGET_FLAGS (TARGET_DEFAULT | MASK_SCHED_PROLOG)
+
+#undef  TARGET_OPTION_OPTIMIZATION_TABLE
+#define TARGET_OPTION_OPTIMIZATION_TABLE arm_option_optimization_table
+
+#undef TARGET_EXCEPT_UNWIND_INFO
+#define TARGET_EXCEPT_UNWIND_INFO  arm_except_unwind_info
+
+struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;