gdb/

	Code cleanup.
	* frame-unwind.c (frame_unwind_find_by_frame): Remove the return type
	and returned value.  New comment from frame-unwind.h.
	* frame-unwind.h (frame_unwind_find_by_frame): Remove the return type.
	Extend the comment.
	* frame.c (get_frame_id, frame_unwind_register_value)
	(create_new_frame, get_prev_frame_1, frame_unwinder_is)
	(get_frame_type, frame_unwind_arch): Do not use the return value of
	frame_unwind_find_by_frame.

1 files changed, 6 insertions, 2 deletions

diff --git a/gdb/frame-unwind.c b/gdb/frame-unwind.c
index 62e37f6..bbb3e90 100644
--- a/gdb/frame-unwind.c
+++ b/gdb/frame-unwind.c
@@ -88,7 +88,11 @@ frame_unwind_append_unwinder (struct gdbarch *gdbarch,
   (*ip)->unwinder = unwinder;
 }
 
-const struct frame_unwind *
+/* Iterate through sniffers for THIS_FRAME frame until one returns with an
+   unwinder implementation.  THIS_FRAME->UNWIND must be NULL, it will get set
+   by this function.  Possibly initialize THIS_CACHE.  */
+
+void
 frame_unwind_find_by_frame (struct frame_info *this_frame, void **this_cache)
 {
   struct gdbarch *gdbarch = get_frame_arch (this_frame);
@@ -104,7 +108,7 @@ frame_unwind_find_by_frame (struct frame_info *this_frame, void **this_cache)
 				    this_cache))
 	{
 	  discard_cleanups (old_cleanup);
-	  return entry->unwinder;
+	  return;
 	}
       do_cleanups (old_cleanup);
     }