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611cb4a5 DJ |
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 | ||
32 | void 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 | ||
39 | void 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 | ||
43 | void reinsert_breakpoint (CORE_ADDR where); | |
44 | ||
45 | /* Change the status of the breakpoint at WHERE to uninserted. */ | |
46 | ||
47 | void 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 | ||
52 | int 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 | ||
58 | void 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 | ||
64 | void 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 | ||
69 | void set_breakpoint_data (const char *bp_data, int bp_len); | |
70 | ||
71 | #endif /* MEM_BREAK_H */ |