gnu/dist/gdb6/gdb/dummy-frame.h

   1 /* Code dealing with dummy stack frames, for GDB, the GNU debugger.
   2
   3    Copyright (C) 2002, 2004 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 2 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, write to the Free Software
  19    Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20    Boston, MA 02110-1301, USA.  */
  21
  22 #if !defined (DUMMY_FRAME_H)
  23 #define DUMMY_FRAME_H 1
  24
  25 struct frame_info;
  26 struct regcache;
  27 struct frame_unwind;
  28 struct frame_id;
  29
  30 /* Push the information needed to identify, and unwind from, a dummy
  31    frame onto the dummy frame stack.  */
  32
  33 /* NOTE: cagney/2004-08-02: This interface will eventually need to be
  34    parameterized with the caller's thread - that will allow per-thread
  35    dummy-frame stacks and, hence, per-thread inferior function
  36    calls.  */
  37
  38 /* NOTE: cagney/2004-08-02: In the case of ABIs using push_dummy_code
  39    containing more than one instruction, this interface many need to
  40    be expanded so that it knowns the lower/upper extent of the dummy
  41    frame's code.  */
  42
  43 extern void dummy_frame_push (struct regcache *regcache,
  44                               const struct frame_id *dummy_id);
  45
  46 /* If the PC falls in a dummy frame, return a dummy frame
  47    unwinder.  */
  48
  49 extern const struct frame_unwind *const dummy_frame_unwind;
  50
  51 #endif /* !defined (DUMMY_FRAME_H)  */