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611cb4a5 | 1 | /* Memory breakpoint interfaces for the remote server for GDB. |
0b302171 | 2 | Copyright (C) 2002, 2005, 2007-2012 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 | |
a9762ec7 | 10 | the Free Software Foundation; either version 3 of the License, or |
611cb4a5 DJ |
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 | |
a9762ec7 | 19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
611cb4a5 DJ |
20 | |
21 | #ifndef MEM_BREAK_H | |
22 | #define MEM_BREAK_H | |
23 | ||
24 | /* Breakpoints are opaque. */ | |
414a389f | 25 | struct breakpoint; |
fa593d66 | 26 | struct fast_tracepoint_jump; |
611cb4a5 | 27 | |
9f3a5c85 LM |
28 | /* Locate a breakpoint placed at address WHERE and return a pointer |
29 | to its structure. */ | |
30 | ||
31 | struct breakpoint *find_gdb_breakpoint_at (CORE_ADDR where); | |
32 | ||
8b07ae33 PA |
33 | /* Create a new GDB breakpoint at WHERE. Returns -1 if breakpoints |
34 | are not supported on this target, 0 otherwise. */ | |
d50171e4 | 35 | |
8b07ae33 | 36 | int set_gdb_breakpoint_at (CORE_ADDR where); |
d50171e4 PA |
37 | |
38 | /* Returns TRUE if there's any breakpoint at ADDR in our tables, | |
39 | inserted, or not. */ | |
40 | ||
41 | int breakpoint_here (CORE_ADDR addr); | |
42 | ||
43 | /* Returns TRUE if there's any inserted breakpoint set at ADDR. */ | |
44 | ||
45 | int breakpoint_inserted_here (CORE_ADDR addr); | |
46 | ||
9f3a5c85 LM |
47 | /* Clear all breakpoint conditions associated with this address. */ |
48 | ||
49 | void clear_gdb_breakpoint_conditions (CORE_ADDR addr); | |
50 | ||
51 | /* Set target-side condition CONDITION to the breakpoint at ADDR. */ | |
52 | ||
53 | int add_breakpoint_condition (CORE_ADDR addr, char **condition); | |
54 | ||
55 | /* Evaluation condition (if any) at breakpoint BP. Return 1 if | |
56 | true and 0 otherwise. */ | |
57 | ||
58 | int gdb_condition_true_at_breakpoint (CORE_ADDR where); | |
59 | ||
8b07ae33 PA |
60 | /* Returns TRUE if there's a GDB breakpoint set at ADDR. */ |
61 | ||
62 | int gdb_breakpoint_here (CORE_ADDR where); | |
63 | ||
611cb4a5 | 64 | /* Create a new breakpoint at WHERE, and call HANDLER when |
b65d95c5 DJ |
65 | it is hit. HANDLER should return 1 if the breakpoint |
66 | should be deleted, 0 otherwise. */ | |
611cb4a5 | 67 | |
414a389f PA |
68 | struct breakpoint *set_breakpoint_at (CORE_ADDR where, |
69 | int (*handler) (CORE_ADDR)); | |
611cb4a5 | 70 | |
8b07ae33 PA |
71 | /* Delete a GDB breakpoint previously inserted at ADDR with |
72 | set_gdb_breakpoint_at. */ | |
68070c10 | 73 | |
8b07ae33 | 74 | int delete_gdb_breakpoint_at (CORE_ADDR addr); |
68070c10 | 75 | |
219f2f23 PA |
76 | /* Delete a breakpoint. */ |
77 | ||
78 | int delete_breakpoint (struct breakpoint *bkpt); | |
79 | ||
d50171e4 PA |
80 | /* Set a reinsert breakpoint at STOP_AT. */ |
81 | ||
82 | void set_reinsert_breakpoint (CORE_ADDR stop_at); | |
83 | ||
84 | /* Delete all reinsert breakpoints. */ | |
611cb4a5 | 85 | |
d50171e4 | 86 | void delete_reinsert_breakpoints (void); |
611cb4a5 | 87 | |
d50171e4 PA |
88 | /* Reinsert breakpoints at WHERE (and change their status to |
89 | inserted). */ | |
611cb4a5 | 90 | |
d50171e4 | 91 | void reinsert_breakpoints_at (CORE_ADDR where); |
611cb4a5 | 92 | |
d50171e4 PA |
93 | /* Uninsert breakpoints at WHERE (and change their status to |
94 | uninserted). This still leaves the breakpoints in the table. */ | |
611cb4a5 | 95 | |
d50171e4 | 96 | void uninsert_breakpoints_at (CORE_ADDR where); |
611cb4a5 | 97 | |
0fb4aa4b PA |
98 | /* Reinsert all breakpoints of the current process (and change their |
99 | status to inserted). */ | |
100 | ||
101 | void reinsert_all_breakpoints (void); | |
102 | ||
103 | /* Uninsert all breakpoints of the current process (and change their | |
104 | status to uninserted). This still leaves the breakpoints in the | |
105 | table. */ | |
106 | ||
107 | void uninsert_all_breakpoints (void); | |
108 | ||
611cb4a5 DJ |
109 | /* See if any breakpoint claims ownership of STOP_PC. Call the handler for |
110 | the breakpoint, if found. */ | |
111 | ||
d50171e4 | 112 | void check_breakpoints (CORE_ADDR stop_pc); |
611cb4a5 DJ |
113 | |
114 | /* See if any breakpoints shadow the target memory area from MEM_ADDR | |
115 | to MEM_ADDR + MEM_LEN. Update the data already read from the target | |
116 | (in BUF) if necessary. */ | |
117 | ||
f450004a | 118 | void check_mem_read (CORE_ADDR mem_addr, unsigned char *buf, int mem_len); |
611cb4a5 DJ |
119 | |
120 | /* See if any breakpoints shadow the target memory area from MEM_ADDR | |
121 | to MEM_ADDR + MEM_LEN. Update the data to be written to the target | |
b9fd1791 PA |
122 | (in BUF, a copy of MYADDR on entry) if necessary, as well as the |
123 | original data for any breakpoints. */ | |
611cb4a5 | 124 | |
b9fd1791 PA |
125 | void check_mem_write (CORE_ADDR mem_addr, |
126 | unsigned char *buf, const unsigned char *myaddr, int mem_len); | |
611cb4a5 DJ |
127 | |
128 | /* Set the byte pattern to insert for memory breakpoints. This function | |
129 | must be called before any breakpoints are set. */ | |
130 | ||
f450004a | 131 | void set_breakpoint_data (const unsigned char *bp_data, int bp_len); |
611cb4a5 | 132 | |
ae13219e DJ |
133 | /* Delete all breakpoints. */ |
134 | ||
135 | void delete_all_breakpoints (void); | |
136 | ||
f9e39928 PA |
137 | /* Clear the "inserted" flag in all breakpoints of PROC. */ |
138 | ||
139 | void mark_breakpoints_out (struct process_info *proc); | |
140 | ||
95954743 PA |
141 | /* Delete all breakpoints, but do not try to un-insert them from the |
142 | inferior. */ | |
143 | ||
144 | void free_all_breakpoints (struct process_info *proc); | |
145 | ||
d3bbe7a0 PA |
146 | /* Check if breakpoints still seem to be inserted in the inferior. */ |
147 | ||
148 | void validate_breakpoints (void); | |
149 | ||
fa593d66 PA |
150 | /* Insert a fast tracepoint jump at WHERE, using instruction INSN, of |
151 | LENGTH bytes. */ | |
152 | ||
153 | struct fast_tracepoint_jump *set_fast_tracepoint_jump (CORE_ADDR where, | |
154 | unsigned char *insn, | |
155 | ULONGEST length); | |
156 | ||
5c73ff4e YQ |
157 | /* Increment reference counter of JP. */ |
158 | void inc_ref_fast_tracepoint_jump (struct fast_tracepoint_jump *jp); | |
159 | ||
fa593d66 PA |
160 | /* Delete fast tracepoint jump TODEL from our tables, and uninsert if |
161 | from memory. */ | |
162 | ||
163 | int delete_fast_tracepoint_jump (struct fast_tracepoint_jump *todel); | |
164 | ||
165 | /* Returns true if there's fast tracepoint jump set at WHERE. */ | |
166 | ||
167 | int fast_tracepoint_jump_here (CORE_ADDR); | |
168 | ||
169 | /* Uninsert fast tracepoint jumps at WHERE (and change their status to | |
170 | uninserted). This still leaves the tracepoints in the table. */ | |
171 | ||
172 | void uninsert_fast_tracepoint_jumps_at (CORE_ADDR pc); | |
173 | ||
174 | /* Reinsert fast tracepoint jumps at WHERE (and change their status to | |
175 | inserted). */ | |
176 | ||
177 | void reinsert_fast_tracepoint_jumps_at (CORE_ADDR where); | |
178 | ||
611cb4a5 | 179 | #endif /* MEM_BREAK_H */ |