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/* Code dealing with legacy frames, for GDB, the GNU debugger.
Copyright 2003 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
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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. */
#if !defined (LEGACY_FRAME_H)
#define LEGACY_FRAME_H 1
struct frame_info;
struct regcache;
struct frame_id;
struct frame_unwind_cache;
/* LEGACY FRAMES
The original extra frame info implementation of the`struct
frame_info' object. These frames always initialize the entire
frame object using extra frame info. */
/* Assuming that FRAME is a legacy, return a register value for the
previous frame. */
extern void legacy_frame_register_unwind (struct frame_info *frame,
struct frame_unwind_cache **unwind_cache,
int regnum,
int *optimized,
enum lval_type *lvalp,
CORE_ADDR *addrp,
int *realnump,
void *valuep);
/* Assuming that FRAME is a legacy, return the resume address for the
previous frame. */
extern CORE_ADDR legacy_frame_pc_unwind (struct frame_info *frame,
struct frame_unwind_cache **unwind_cache);
/* Assuming that FRAME is a legacy, return the ID of the calling frame
(the frame that the legacy has the saved state of). */
extern void legacy_frame_id_unwind (struct frame_info *frame,
struct frame_unwind_cache **unwind_cache,
struct frame_id *id);
#endif
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