gdb/dummy-frame.h

   1 /* Code dealing with dummy stack frames, for GDB, the GNU debugger.
   2
   3    Copyright (C) 2002, 2004, 2007, 2008 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 (DUMMY_FRAME_H)
  21 #define DUMMY_FRAME_H 1
  22
  23 #include "frame.h"
  24
  25 struct frame_info;
  26 struct regcache;
  27 struct frame_unwind;
  28
  29 /* Push the information needed to identify, and unwind from, a dummy
  30    frame onto the dummy frame stack.  */
  31
  32 /* NOTE: cagney/2004-08-02: This interface will eventually need to be
  33    parameterized with the caller's thread - that will allow per-thread
  34    dummy-frame stacks and, hence, per-thread inferior function
  35    calls.  */
  36
  37 /* NOTE: cagney/2004-08-02: In the case of ABIs using push_dummy_code
  38    containing more than one instruction, this interface many need to
  39    be expanded so that it knowns the lower/upper extent of the dummy
  40    frame's code.  */
  41
  42 extern void dummy_frame_push (struct regcache *regcache,
  43                               const struct frame_id *dummy_id);
  44
  45 extern void dummy_frame_pop (struct frame_id dummy_id);
  46
  47 /* If the PC falls in a dummy frame, return a dummy frame
  48    unwinder.  */
  49
  50 extern const struct frame_unwind *const dummy_frame_unwind;
  51
  52 #endif /* !defined (DUMMY_FRAME_H)  */