/* Definitions for a frame unwinder, for GDB, the GNU debugger.
- Copyright (C) 2003-2017 Free Software Foundation, Inc.
+ Copyright (C) 2003-2020 Free Software Foundation, Inc.
This file is part of GDB.
default_frame_unwind_stop_reason (struct frame_info *this_frame,
void **this_cache);
+/* A default unwind_pc callback that simply unwinds the register identified
+ by GDBARCH_PC_REGNUM. */
+
+extern CORE_ADDR default_unwind_pc (struct gdbarch *gdbarch,
+ struct frame_info *next_frame);
+
+/* A default unwind_sp callback that simply unwinds the register identified
+ by GDBARCH_SP_REGNUM. */
+
+extern CORE_ADDR default_unwind_sp (struct gdbarch *gdbarch,
+ struct frame_info *next_frame);
+
/* Assuming the frame chain: (outer) prev <-> this <-> next (inner);
use THIS frame, and through it the NEXT frame's register unwind
method, to determine the frame ID of THIS frame.