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/* Frame unwinder for frames with libunwind frame information.

   Copyright 2003 Free Software Foundation, Inc.

   Contributed by Jeff Johnston.

   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.  */

#ifdef HAVE_LIBUNWIND_H

struct frame_info;
struct frame_id;

#ifndef LIBUNWIND_FRAME_H
#define LIBUNWIND_FRAME_H 1

#include "libunwind.h"

struct libunwind_descr
{
  int (*gdb2uw) (int);
  int (*uw2gdb) (int);
  int (*is_fpreg) (int);
  void *accessors;
};

const struct frame_unwind *libunwind_frame_sniffer (struct frame_info *next_frame);

void libunwind_frame_set_descr (struct gdbarch *arch, struct libunwind_descr *descr);

void libunwind_frame_this_id (struct frame_info *next_frame, void **this_cache,
			      struct frame_id *this_id);
void libunwind_frame_prev_register (struct frame_info *next_frame, void **this_cache,
				    int regnum, int *optimizedp,
				    enum lval_type *lvalp, CORE_ADDR *addrp,
				    int *realnump, void *valuep);
CORE_ADDR libunwind_frame_base_address (struct frame_info *next_frame, void **this_cache);

int libunwind_is_initialized (void);

int libunwind_search_unwind_table (void *as, long ip, void *di,
				   void *pi, int need_unwind_info, void *args);

unw_word_t libunwind_find_dyn_list (unw_addr_space_t, unw_dyn_info_t *,
				    void *);

#endif /* libunwind-frame.h */

#endif /* HAVE_LIBUNWIND_H  */