/* Definitions for a frame unwinder, for GDB, the GNU debugger.
- Copyright (C) 2003-2015 Free Software Foundation, Inc.
+ Copyright (C) 2003-2018 Free Software Foundation, Inc.
This file is part of GDB.
the PC and attributes) and if SELF is the applicable unwinder,
return non-zero. Possibly also initialize THIS_PROLOGUE_CACHE; but
only if returning 1. Initializing THIS_PROLOGUE_CACHE in other
- cases (0 return, or exception) is invalid. */
+ cases (0 return) is invalid. In case of exception, the caller has
+ to set *THIS_PROLOGUE_CACHE to NULL. */
typedef int (frame_sniffer_ftype) (const struct frame_unwind *self,
struct frame_info *this_frame,