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611cb4a5 | 1 | /* Memory breakpoint interfaces for the remote server for GDB. |
6aba47ca | 2 | Copyright (C) 2002, 2005, 2007 Free Software Foundation, Inc. |
611cb4a5 DJ |
3 | |
4 | Contributed by MontaVista Software. | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program; if not, write to the Free Software | |
6f0f660e EZ |
20 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
611cb4a5 DJ |
22 | |
23 | #ifndef MEM_BREAK_H | |
24 | #define MEM_BREAK_H | |
25 | ||
26 | /* Breakpoints are opaque. */ | |
27 | ||
28 | /* Create a new breakpoint at WHERE, and call HANDLER when | |
29 | it is hit. */ | |
30 | ||
31 | void set_breakpoint_at (CORE_ADDR where, | |
32 | void (*handler) (CORE_ADDR)); | |
33 | ||
68070c10 PA |
34 | /* Delete a breakpoint previously inserted at ADDR with |
35 | set_breakpoint_at. */ | |
36 | ||
37 | void delete_breakpoint_at (CORE_ADDR addr); | |
38 | ||
611cb4a5 DJ |
39 | /* Create a reinsertion breakpoint at STOP_AT for the breakpoint |
40 | currently at STOP_PC (and temporarily remove the breakpoint at | |
41 | STOP_PC). */ | |
42 | ||
43 | void reinsert_breakpoint_by_bp (CORE_ADDR stop_pc, CORE_ADDR stop_at); | |
44 | ||
45 | /* Change the status of the breakpoint at WHERE to inserted. */ | |
46 | ||
47 | void reinsert_breakpoint (CORE_ADDR where); | |
48 | ||
49 | /* Change the status of the breakpoint at WHERE to uninserted. */ | |
50 | ||
51 | void uninsert_breakpoint (CORE_ADDR where); | |
52 | ||
53 | /* See if any breakpoint claims ownership of STOP_PC. Call the handler for | |
54 | the breakpoint, if found. */ | |
55 | ||
56 | int check_breakpoints (CORE_ADDR stop_pc); | |
57 | ||
58 | /* See if any breakpoints shadow the target memory area from MEM_ADDR | |
59 | to MEM_ADDR + MEM_LEN. Update the data already read from the target | |
60 | (in BUF) if necessary. */ | |
61 | ||
f450004a | 62 | void check_mem_read (CORE_ADDR mem_addr, unsigned char *buf, int mem_len); |
611cb4a5 DJ |
63 | |
64 | /* See if any breakpoints shadow the target memory area from MEM_ADDR | |
65 | to MEM_ADDR + MEM_LEN. Update the data to be written to the target | |
66 | (in BUF) if necessary, as well as the original data for any breakpoints. */ | |
67 | ||
f450004a | 68 | void check_mem_write (CORE_ADDR mem_addr, unsigned char *buf, int mem_len); |
611cb4a5 DJ |
69 | |
70 | /* Set the byte pattern to insert for memory breakpoints. This function | |
71 | must be called before any breakpoints are set. */ | |
72 | ||
f450004a | 73 | void set_breakpoint_data (const unsigned char *bp_data, int bp_len); |
611cb4a5 DJ |
74 | |
75 | #endif /* MEM_BREAK_H */ |