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/* Traditional frame unwind support, 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. */
#ifndef TRAD_FRAME_H
#define TRAD_FRAME_H
struct trad_frame
{
/* If non-zero (and regnum >= 0), the stack address at which the
register is saved. By default, it is assumed that the register
was not saved (addr == 0). Remember, a LONGEST can always fit a
CORE_ADDR. */
LONGEST addr;
/* else, if regnum >=0 (and addr == 0), the REGNUM that contains
this registers value. By default, it is assumed that the
registers are not moved (the register's value is still in that
register and regnum == the index). */
int regnum;
/* else, if regnum < 0, ADDR is the registers value. */
};
/* Convenience function, encode the register's value in the
trad-frame. */
void trad_frame_register_value (struct trad_frame this_saved_regs[],
int regnum, LONGEST val);
/* Return a freshly allocated (and initialized) trad_frame array. */
struct trad_frame *trad_frame_alloc_saved_regs (struct frame_info *next_frame);
/* Given the trad_frame info, return the location of the specified
register. */
void trad_frame_prev_register (struct frame_info *next_frame,
struct trad_frame this_saved_regs[],
int regnum, int *optimizedp,
enum lval_type *lvalp, CORE_ADDR *addrp,
int *realnump, void *bufferp);
#endif
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