* infrun.c (struct inferior_status): Replace fields

selected_frame_address and selected_level with field
selected_frame_id.
(save_inferior_status): Update.  Use get_frame_id.
(struct restore_selected_frame_args): Delete.
(restore_selected_frame): Update.  Use frame_find_by_id.
(restore_inferior_status): Update.

* breakpoint.h (struct breakpoint): Change type of
watchpoint_frame to frame_id.
* breakpoint.c (insert_breakpoints): Use frame_find_by_id.  Remove
call to get_current_frame.
(do_enable_breakpoint): Use frame_find_by_id.  Remove call to
get_current_frame.
(watchpoint_check): Use frame_find_by_id.

* frame.h (record_selected_frame): Delete declaration.
* stack.c (record_selected_frame): Delete function.

* frame.h (struct frame_id): Define.
(get_frame_id): Declare.
(frame_find_by_id): Declare.
* frame.c (frame_find_by_id): New function.
(get_frame_id): New function.

1 files changed, 15 insertions, 1 deletions

diff --git a/gdb/frame.h b/gdb/frame.h
index cdbcd48..c1df5fc 100644
--- a/gdb/frame.h
+++ b/gdb/frame.h
@@ -274,7 +274,21 @@ extern void show_stack_frame (struct frame_info *);
 
 extern void select_frame (struct frame_info *);
 
-extern void record_selected_frame (CORE_ADDR *, int *);
+/* Return an ID that can be used to re-find a frame.  */
+
+struct frame_id
+{
+  /* The frame's address.  This should be constant through out the
+     lifetime of a frame.  */
+  CORE_ADDR base;
+  /* The frame's current PC.  While this changes, the function that
+     the PC falls into, does not.  */
+  CORE_ADDR pc;
+};
+
+extern void get_frame_id (struct frame_info *fi, struct frame_id *id);
+
+extern struct frame_info *frame_find_by_id (struct frame_id id);
 
 extern void print_frame_info (struct frame_info *, int, int, int);