* dwarf2-frame.c, dwarf2-frame.h: New files.

* Makefile.in (SFILES): Add dwarf2-frame.c.
(dwarf2_frame_h): Define.
(COMMON_OBS): Add dwarf2-frame.o.
(dwarf2-frame.o): Add dependencies.

gdb/dwarf2-frame.h

@@ -0,0 +1,43 @@
+/* Frame unwinder for frames with DWARF Call Frame Information.
+
+   Copyright 2003 Free Software Foundation, Inc.
+
+   Contributed by Mark Kettenis.
+
+   This file is part of GDB.
+
+   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 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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef DWARF2_FRAME_H
+#define DWARF2_FRAME_H 1
+
+struct objfile;
+
+/* Return the frame unwind methods for the function that contains PC,
+   or NULL if it can't be handled by DWARF CFI frame unwinder.  */
+
+const struct frame_unwind *dwarf2_frame_p (CORE_ADDR pc);
+
+/* Return the frame base methods for the function that contains PC, or
+   NULL if it can't be handled by the DWARF CFI frame unwinder.  */
+
+const struct frame_base *dwarf2_frame_base_p (CORE_ADDR pc);
+
+/* Register the DWARF CFI for OBJFILE.  */
+
+void dwarf2_frame_build_info (struct objfile *objfile);
+
+#endif /* dwarf2-frame.h */