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/* Process record and replay target for GDB, the GNU debugger.
Copyright (C) 2008 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, see <http://www.gnu.org/licenses/>. */
#ifndef _RECORD_H_
#define _RECORD_H_
#define RECORD_IS_USED \
(current_target.beneath == &record_ops)
#define RECORD_IS_REPLAY \
(record_list->next || record_exec_direction == EXEC_REVERSE)
#define RECORD_TARGET_SUPPORT_RECORD_WAIT \
(record_ops.beneath->to_support_record_wait)
typedef struct record_reg_s
{
int num;
gdb_byte *val;
} record_reg_t;
typedef struct record_mem_s
{
CORE_ADDR addr;
int len;
gdb_byte *val;
} record_mem_t;
enum record_type
{
record_end = 0,
record_reg,
record_mem
};
/* This is the core struct of record function.
An entity of record_t is a record of the value change of a register
("record_reg") or a part of memory ("record_mem"). And Each instruction must
has a record_t ("record_end") that point out this is the last record_t of
this instruction.
Each record_t is linked to "record_list" by "prev" and "next".
*/
typedef struct record_s
{
struct record_s *prev;
struct record_s *next;
enum record_type type;
union
{
/* reg */
record_reg_t reg;
/* mem */
record_mem_t mem;
/* end */
int need_dasm;
} u;
} record_t;
extern int record_debug;
extern record_t *record_list;
extern record_t *record_arch_list_head;
extern record_t *record_arch_list_tail;
extern struct regcache *record_regcache;
extern struct target_ops record_ops;
extern int record_resume_step;
extern enum exec_direction_kind record_exec_direction;
extern int record_arch_list_add_reg (int num);
extern int record_arch_list_add_mem (CORE_ADDR addr, int len);
extern int record_arch_list_add_end (int need_dasm);
extern void record_message (struct gdbarch *gdbarch);
extern void record_not_record_set (void);
extern void (*record_beneath_to_resume) (ptid_t, int, enum target_signal);
extern ptid_t (*record_beneath_to_wait) (ptid_t, struct target_waitstatus *);
extern void (*record_beneath_to_store_registers) (struct regcache *, int regno);
extern LONGEST (*record_beneath_to_xfer_partial) (struct target_ops * ops,
enum target_object object,
const char *annex,
gdb_byte * readbuf,
const gdb_byte * writebuf,
ULONGEST offset,
LONGEST len);
extern int (*record_beneath_to_insert_breakpoint) (struct bp_target_info *);
extern int (*record_beneath_to_remove_breakpoint) (struct bp_target_info *);
#endif /* _RECORD_H_ */
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