2003-06-08 Andrew Cagney <cagney@redhat.com>

	* Makefile.in (d10v-tdep.o): Update dependencies.
	(SFILES): Add trad-frame.c.
	(trad_frame_h): Define.
	(COMMON_OBS): Add trad-frame.o.
	(trad-frame.o): Specify dependencies.
	* d10v-tdep.c: Include "trad-frame.h".
	(saved_regs_unwinder): Delete function.
	(d10v_frame_prev_register): Use trad_frame_prev_register.
	(struct d10v_unwind_cache): Change type of "saved_regs" to "struct
	trad_frame", delete "regs" and "prev_sp".
	(prologue_find_regs): Use trad-frame.
	* trad-frame.h, trad-frame.c: New files.

1 files changed, 56 insertions, 0 deletions

diff --git a/gdb/trad-frame.h b/gdb/trad-frame.h
new file mode 100644
index 0000000..ab58e35
--- /dev/null
+++ b/gdb/trad-frame.h
@@ -0,0 +1,56 @@
+/* Traditional frame unwind support, for GDB the GNU Debugger.
+
+   Copyright 2003 Free Software Foundation, Inc.
+
+   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 TRAD_FRAME_H
+#define TRAD_FRAME_H
+
+struct trad_frame
+{
+  /* If non-zero (and regnum >= 0), the stack address at which the
+     register is saved.  By default, it is assumed that the register
+     was not saved (addr == 0).  Remember, a LONGEST can always fit a
+     CORE_ADDR.  */
+  LONGEST addr;
+  /* else, if regnum >=0 (and addr == 0), the REGNUM that contains
+     this registers value.  By default, it is assumed that the
+     registers are not moved (the register's value is still in that
+     register and regnum == the index).  */
+  int regnum;
+  /* else, if regnum < 0, ADDR is the registers value.  */
+};
+
+/* Convenience function, encode the register's value in the
+   trad-frame.  */
+void trad_frame_register_value (struct trad_frame this_saved_regs[],
+				int regnum, LONGEST val);
+
+/* Return a freshly allocated (and initialized) trad_frame array.  */
+struct trad_frame *trad_frame_alloc_saved_regs (struct frame_info *next_frame);
+
+/* Given the trad_frame info, return the location of the specified
+   register.  */
+void trad_frame_prev_register (struct frame_info *next_frame,
+			       struct trad_frame this_saved_regs[],
+			       int regnum, int *optimizedp,
+			       enum lval_type *lvalp, CORE_ADDR *addrp,
+			       int *realnump, void *bufferp);
+
+#endif