2cdf3c631a
* trad-frame.h (struct frame_info): Add opaque declaration. * remote-fileio.h (struct cmd_list_element): Add opaque declaration. * h8300-tdep.c (h8300s_register_name): Avoid C++ // style comments.
70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
/* 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 frame_info;
|
|
|
|
/* A traditional saved regs table, indexed by REGNUM, encoding where
|
|
the value of REGNUM for the previous frame can be found in this
|
|
frame.
|
|
|
|
The table is initialized with an identity encoding (ADDR == 0,
|
|
REALNUM == REGNUM) indicating that the value of REGNUM in the
|
|
previous frame can be found in register REGNUM (== REALNUM) in this
|
|
frame.
|
|
|
|
The initial encoding can then be changed:
|
|
|
|
Modify ADDR (REALNUM >= 0, ADDR != 0) to indicate that the value of
|
|
register REGNUM in the previous frame can be found in memory at
|
|
ADDR in this frame.
|
|
|
|
Modify REALNUM (REALNUM >= 0, ADDR == 0) to indicate that the value
|
|
of register REGNUM in the previous frame is found in register
|
|
REALNUM in this frame.
|
|
|
|
Call trad_frame_register_value (REALNUM < 0) to indicate that the
|
|
value of register REGNUM in the previous frame is found in ADDR. */
|
|
|
|
struct trad_frame_saved_reg
|
|
{
|
|
LONGEST addr; /* A CORE_ADDR fits in a longest. */
|
|
int realnum;
|
|
};
|
|
|
|
/* Convenience function, encode REGNUM's location in the trad-frame. */
|
|
void trad_frame_register_value (struct trad_frame_saved_reg this_saved_regs[],
|
|
int regnum, LONGEST val);
|
|
|
|
/* Return a freshly allocated (and initialized) trad_frame array. */
|
|
struct trad_frame_saved_reg *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_saved_reg this_saved_regs[],
|
|
int regnum, int *optimizedp,
|
|
enum lval_type *lvalp, CORE_ADDR *addrp,
|
|
int *realnump, void *bufferp);
|
|
|
|
#endif
|