gdb/sentinel-frame.h

   1 /* Code dealing with register stack frames, for GDB, the GNU debugger.
   2
   3    Copyright (C) 2003-2024 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #if !defined (SENTINEL_FRAME_H)
  21 #define SENTINEL_FRAME_H 1
  22
  23 struct frame_unwind;
  24 struct regcache;
  25
  26 /* Implement the sentinel frame.  The sentinel frame terminates the
  27    inner most end of the frame chain.  If unwound, it returns the
  28    information need to construct an inner-most frame.  */
  29
  30 /* Pump prime the sentinel frame's cache.  Since this needs the
  31    REGCACHE provide that here.  */
  32
  33 extern void *sentinel_frame_cache (struct regcache *regcache);
  34
  35 /* At present there is only one type of sentinel frame.  */
  36
  37 extern const struct frame_unwind sentinel_frame_unwind;
  38
  39 #endif /* !defined (SENTINEL_FRAME_H)  */