2003-03-05 Andrew Cagney <cagney@redhat.com>

[deliverable/binutils-gdb.git] / gdb / d10v-tdep.c

diff --git a/gdb/d10v-tdep.c b/gdb/d10v-tdep.c
index fc05e806edc526f8656b948f0ff06b5fdeca74a2..5f334e6a7ab53754bd3ecfbbfeb8a5ec6104540b 100644 (file)
--- a/gdb/d10v-tdep.c
+++ b/gdb/d10v-tdep.c
@@ -1612,6 +1612,22 @@ d10v_frame_p (CORE_ADDR pc)
   return &d10v_frame_unwind;
 }
 
+/* Assuming NEXT_FRAME->prev is a dummy, return the frame ID of that
+   dummy frame.  The frame ID's base needs to match the TOS value
+   saved by save_dummy_frame_tos(), and the PC match the dummy frame's
+   breakpoint.  */
+
+static struct frame_id
+d10v_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
+{
+  ULONGEST base;
+  struct frame_id id;
+  id.pc = frame_pc_unwind (next_frame);
+  frame_unwind_unsigned_register (next_frame, SP_REGNUM, &base);
+  id.base = d10v_make_daddr (base);
+  return id;
+}
+
 static gdbarch_init_ftype d10v_gdbarch_init;
 
 static struct gdbarch *
@@ -1749,6 +1765,10 @@ d10v_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   frame_unwind_append_predicate (gdbarch, d10v_frame_p);
 
+  /* Methods for saving / extracting a dummy frame's ID.  */
+  set_gdbarch_unwind_dummy_id (gdbarch, d10v_unwind_dummy_id);
+  set_gdbarch_save_dummy_frame_tos (gdbarch, generic_save_dummy_frame_tos);
+
   return gdbarch;
 }