/* Code dealing with dummy stack frames, for GDB, the GNU debugger.
- Copyright 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2004, 2007, 2008, 2009, 2010
+ Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !defined (DUMMY_FRAME_H)
#define DUMMY_FRAME_H 1
-struct frame_info;
-struct regcache;
+#include "frame.h"
+
+struct inferior_thread_state;
struct frame_unwind;
-struct frame_id;
+
+/* Push the information needed to identify, and unwind from, a dummy
+ frame onto the dummy frame stack. */
+
+/* NOTE: cagney/2004-08-02: This interface will eventually need to be
+ parameterized with the caller's thread - that will allow per-thread
+ dummy-frame stacks and, hence, per-thread inferior function
+ calls. */
+
+/* NOTE: cagney/2004-08-02: In the case of ABIs using push_dummy_code
+ containing more than one instruction, this interface many need to
+ be expanded so that it knowns the lower/upper extent of the dummy
+ frame's code. */
+
+extern void dummy_frame_push (struct inferior_thread_state *caller_state,
+ const struct frame_id *dummy_id);
+
+/* Pop the dummy frame DUMMY_ID, restoring program state to that before the
+ frame was created.
+ On return reinit_frame_cache has been called.
+ If the frame isn't found, flag an internal error.
+
+ NOTE: This can only pop the one frame, even if it is in the middle of the
+ stack, because the other frames may be for different threads, and there's
+ currently no way to tell which stack frame is for which thread. */
+
+extern void dummy_frame_pop (struct frame_id dummy_id);
/* If the PC falls in a dummy frame, return a dummy frame
unwinder. */