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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 | |
8b07ae33 PA |
28 | /* Create a new GDB breakpoint at WHERE. Returns -1 if breakpoints |
29 | are not supported on this target, 0 otherwise. */ | |
d50171e4 | 30 | |
8b07ae33 | 31 | int set_gdb_breakpoint_at (CORE_ADDR where); |
d50171e4 PA |
32 | |
33 | /* Returns TRUE if there's any breakpoint at ADDR in our tables, | |
34 | inserted, or not. */ | |
35 | ||
36 | int breakpoint_here (CORE_ADDR addr); | |
37 | ||
38 | /* Returns TRUE if there's any inserted breakpoint set at ADDR. */ | |
39 | ||
40 | int breakpoint_inserted_here (CORE_ADDR addr); | |
41 | ||
8b07ae33 PA |
42 | /* Returns TRUE if there's a GDB breakpoint set at ADDR. */ |
43 | ||
44 | int gdb_breakpoint_here (CORE_ADDR where); | |
45 | ||
611cb4a5 | 46 | /* Create a new breakpoint at WHERE, and call HANDLER when |
b65d95c5 DJ |
47 | it is hit. HANDLER should return 1 if the breakpoint |
48 | should be deleted, 0 otherwise. */ | |
611cb4a5 | 49 | |
414a389f PA |
50 | struct breakpoint *set_breakpoint_at (CORE_ADDR where, |
51 | int (*handler) (CORE_ADDR)); | |
611cb4a5 | 52 | |
8b07ae33 PA |
53 | /* Delete a GDB breakpoint previously inserted at ADDR with |
54 | set_gdb_breakpoint_at. */ | |
68070c10 | 55 | |
8b07ae33 | 56 | int delete_gdb_breakpoint_at (CORE_ADDR addr); |
68070c10 | 57 | |
219f2f23 PA |
58 | /* Delete a breakpoint. */ |
59 | ||
60 | int delete_breakpoint (struct breakpoint *bkpt); | |
61 | ||
d50171e4 PA |
62 | /* Set a reinsert breakpoint at STOP_AT. */ |
63 | ||
64 | void set_reinsert_breakpoint (CORE_ADDR stop_at); | |
65 | ||
66 | /* Delete all reinsert breakpoints. */ | |
611cb4a5 | 67 | |
d50171e4 | 68 | void delete_reinsert_breakpoints (void); |
611cb4a5 | 69 | |
d50171e4 PA |
70 | /* Reinsert breakpoints at WHERE (and change their status to |
71 | inserted). */ | |
611cb4a5 | 72 | |
d50171e4 | 73 | void reinsert_breakpoints_at (CORE_ADDR where); |
611cb4a5 | 74 | |
d50171e4 PA |
75 | /* Uninsert breakpoints at WHERE (and change their status to |
76 | uninserted). This still leaves the breakpoints in the table. */ | |
611cb4a5 | 77 | |
d50171e4 | 78 | void uninsert_breakpoints_at (CORE_ADDR where); |
611cb4a5 DJ |
79 | |
80 | /* See if any breakpoint claims ownership of STOP_PC. Call the handler for | |
81 | the breakpoint, if found. */ | |
82 | ||
d50171e4 | 83 | void check_breakpoints (CORE_ADDR stop_pc); |
611cb4a5 DJ |
84 | |
85 | /* See if any breakpoints shadow the target memory area from MEM_ADDR | |
86 | to MEM_ADDR + MEM_LEN. Update the data already read from the target | |
87 | (in BUF) if necessary. */ | |
88 | ||
f450004a | 89 | void check_mem_read (CORE_ADDR mem_addr, unsigned char *buf, int mem_len); |
611cb4a5 DJ |
90 | |
91 | /* See if any breakpoints shadow the target memory area from MEM_ADDR | |
92 | to MEM_ADDR + MEM_LEN. Update the data to be written to the target | |
93 | (in BUF) if necessary, as well as the original data for any breakpoints. */ | |
94 | ||
f450004a | 95 | void check_mem_write (CORE_ADDR mem_addr, unsigned char *buf, int mem_len); |
611cb4a5 DJ |
96 | |
97 | /* Set the byte pattern to insert for memory breakpoints. This function | |
98 | must be called before any breakpoints are set. */ | |
99 | ||
f450004a | 100 | void set_breakpoint_data (const unsigned char *bp_data, int bp_len); |
611cb4a5 | 101 | |
ae13219e DJ |
102 | /* Delete all breakpoints. */ |
103 | ||
104 | void delete_all_breakpoints (void); | |
105 | ||
95954743 PA |
106 | /* Delete all breakpoints, but do not try to un-insert them from the |
107 | inferior. */ | |
108 | ||
109 | void free_all_breakpoints (struct process_info *proc); | |
110 | ||
d3bbe7a0 PA |
111 | /* Check if breakpoints still seem to be inserted in the inferior. */ |
112 | ||
113 | void validate_breakpoints (void); | |
114 | ||
611cb4a5 | 115 | #endif /* MEM_BREAK_H */ |