1/* Memory breakpoint interfaces for the remote server for GDB.
2   Copyright 2002
3   Free Software Foundation, Inc.
4
5   Contributed by MontaVista Software.
6
7   This file is part of GDB.
8
9   This program is free software; you can redistribute it and/or modify
10   it under the terms of the GNU General Public License as published by
11   the Free Software Foundation; either version 2 of the License, or
12   (at your option) any later version.
13
14   This program is distributed in the hope that it will be useful,
15   but WITHOUT ANY WARRANTY; without even the implied warranty of
16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   GNU General Public License for more details.
18
19   You should have received a copy of the GNU General Public License
20   along with this program; if not, write to the Free Software
21   Foundation, Inc., 59 Temple Place - Suite 330,
22   Boston, MA 02111-1307, USA.  */
23
24#ifndef MEM_BREAK_H
25#define MEM_BREAK_H
26
27/* Breakpoints are opaque.  */
28
29/* Create a new breakpoint at WHERE, and call HANDLER when
30   it is hit.  */
31
32void set_breakpoint_at (CORE_ADDR where,
33			void (*handler) (CORE_ADDR));
34
35/* Create a reinsertion breakpoint at STOP_AT for the breakpoint
36   currently at STOP_PC (and temporarily remove the breakpoint at
37   STOP_PC).  */
38
39void reinsert_breakpoint_by_bp (CORE_ADDR stop_pc, CORE_ADDR stop_at);
40
41/* Change the status of the breakpoint at WHERE to inserted.  */
42
43void reinsert_breakpoint (CORE_ADDR where);
44
45/* Change the status of the breakpoint at WHERE to uninserted.  */
46
47void uninsert_breakpoint (CORE_ADDR where);
48
49/* See if any breakpoint claims ownership of STOP_PC.  Call the handler for
50   the breakpoint, if found.  */
51
52int check_breakpoints (CORE_ADDR stop_pc);
53
54/* See if any breakpoints shadow the target memory area from MEM_ADDR
55   to MEM_ADDR + MEM_LEN.  Update the data already read from the target
56   (in BUF) if necessary.  */
57
58void check_mem_read (CORE_ADDR mem_addr, char *buf, int mem_len);
59
60/* See if any breakpoints shadow the target memory area from MEM_ADDR
61   to MEM_ADDR + MEM_LEN.  Update the data to be written to the target
62   (in BUF) if necessary, as well as the original data for any breakpoints.  */
63
64void check_mem_write (CORE_ADDR mem_addr, char *buf, int mem_len);
65
66/* Set the byte pattern to insert for memory breakpoints.  This function
67   must be called before any breakpoints are set.  */
68
69void set_breakpoint_data (const char *bp_data, int bp_len);
70
71#endif /* MEM_BREAK_H */
72