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611cb4a5 | 1 | /* Memory breakpoint interfaces for the remote server for GDB. |
4c38e0a4 JB |
2 | Copyright (C) 2002, 2005, 2007, 2008, 2009, 2010 |
3 | Free Software Foundation, Inc. | |
611cb4a5 DJ |
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 | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
611cb4a5 DJ |
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 | |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
611cb4a5 DJ |
21 | |
22 | #ifndef MEM_BREAK_H | |
23 | #define MEM_BREAK_H | |
24 | ||
25 | /* Breakpoints are opaque. */ | |
414a389f | 26 | struct breakpoint; |
611cb4a5 | 27 | |
d50171e4 PA |
28 | /* Returns TRUE if breakpoints are supported on this target. */ |
29 | ||
30 | int breakpoints_supported (void); | |
31 | ||
32 | /* Returns TRUE if there's any breakpoint at ADDR in our tables, | |
33 | inserted, or not. */ | |
34 | ||
35 | int breakpoint_here (CORE_ADDR addr); | |
36 | ||
37 | /* Returns TRUE if there's any inserted breakpoint set at ADDR. */ | |
38 | ||
39 | int breakpoint_inserted_here (CORE_ADDR addr); | |
40 | ||
611cb4a5 | 41 | /* Create a new breakpoint at WHERE, and call HANDLER when |
b65d95c5 DJ |
42 | it is hit. HANDLER should return 1 if the breakpoint |
43 | should be deleted, 0 otherwise. */ | |
611cb4a5 | 44 | |
414a389f PA |
45 | struct breakpoint *set_breakpoint_at (CORE_ADDR where, |
46 | int (*handler) (CORE_ADDR)); | |
611cb4a5 | 47 | |
68070c10 PA |
48 | /* Delete a breakpoint previously inserted at ADDR with |
49 | set_breakpoint_at. */ | |
50 | ||
51 | void delete_breakpoint_at (CORE_ADDR addr); | |
52 | ||
d50171e4 PA |
53 | /* Set a reinsert breakpoint at STOP_AT. */ |
54 | ||
55 | void set_reinsert_breakpoint (CORE_ADDR stop_at); | |
56 | ||
57 | /* Delete all reinsert breakpoints. */ | |
611cb4a5 | 58 | |
d50171e4 | 59 | void delete_reinsert_breakpoints (void); |
611cb4a5 | 60 | |
d50171e4 PA |
61 | /* Reinsert breakpoints at WHERE (and change their status to |
62 | inserted). */ | |
611cb4a5 | 63 | |
d50171e4 | 64 | void reinsert_breakpoints_at (CORE_ADDR where); |
611cb4a5 | 65 | |
d50171e4 PA |
66 | /* Uninsert breakpoints at WHERE (and change their status to |
67 | uninserted). This still leaves the breakpoints in the table. */ | |
611cb4a5 | 68 | |
d50171e4 | 69 | void uninsert_breakpoints_at (CORE_ADDR where); |
611cb4a5 DJ |
70 | |
71 | /* See if any breakpoint claims ownership of STOP_PC. Call the handler for | |
72 | the breakpoint, if found. */ | |
73 | ||
d50171e4 | 74 | void check_breakpoints (CORE_ADDR stop_pc); |
611cb4a5 DJ |
75 | |
76 | /* See if any breakpoints shadow the target memory area from MEM_ADDR | |
77 | to MEM_ADDR + MEM_LEN. Update the data already read from the target | |
78 | (in BUF) if necessary. */ | |
79 | ||
f450004a | 80 | void check_mem_read (CORE_ADDR mem_addr, unsigned char *buf, int mem_len); |
611cb4a5 DJ |
81 | |
82 | /* See if any breakpoints shadow the target memory area from MEM_ADDR | |
83 | to MEM_ADDR + MEM_LEN. Update the data to be written to the target | |
84 | (in BUF) if necessary, as well as the original data for any breakpoints. */ | |
85 | ||
f450004a | 86 | void check_mem_write (CORE_ADDR mem_addr, unsigned char *buf, int mem_len); |
611cb4a5 DJ |
87 | |
88 | /* Set the byte pattern to insert for memory breakpoints. This function | |
89 | must be called before any breakpoints are set. */ | |
90 | ||
f450004a | 91 | void set_breakpoint_data (const unsigned char *bp_data, int bp_len); |
611cb4a5 | 92 | |
ae13219e DJ |
93 | /* Delete all breakpoints. */ |
94 | ||
95 | void delete_all_breakpoints (void); | |
96 | ||
95954743 PA |
97 | /* Delete all breakpoints, but do not try to un-insert them from the |
98 | inferior. */ | |
99 | ||
100 | void free_all_breakpoints (struct process_info *proc); | |
101 | ||
611cb4a5 | 102 | #endif /* MEM_BREAK_H */ |