1 /* Memory breakpoint interfaces for the remote server for GDB.
2 Copyright (C) 2002, 2005, 2007, 2008, 2009, 2010
3 Free Software Foundation, Inc.
5 Contributed by MontaVista Software.
7 This file is part of GDB.
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 3 of the License, or
12 (at your option) any later version.
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.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 /* Breakpoints are opaque. */
28 /* Create a new GDB breakpoint at WHERE. Returns -1 if breakpoints
29 are not supported on this target, 0 otherwise. */
31 int set_gdb_breakpoint_at (CORE_ADDR where
);
33 /* Returns TRUE if there's any breakpoint at ADDR in our tables,
36 int breakpoint_here (CORE_ADDR addr
);
38 /* Returns TRUE if there's any inserted breakpoint set at ADDR. */
40 int breakpoint_inserted_here (CORE_ADDR addr
);
42 /* Returns TRUE if there's a GDB breakpoint set at ADDR. */
44 int gdb_breakpoint_here (CORE_ADDR where
);
46 /* Create a new breakpoint at WHERE, and call HANDLER when
47 it is hit. HANDLER should return 1 if the breakpoint
48 should be deleted, 0 otherwise. */
50 struct breakpoint
*set_breakpoint_at (CORE_ADDR where
,
51 int (*handler
) (CORE_ADDR
));
53 /* Delete a GDB breakpoint previously inserted at ADDR with
54 set_gdb_breakpoint_at. */
56 int delete_gdb_breakpoint_at (CORE_ADDR addr
);
58 /* Set a reinsert breakpoint at STOP_AT. */
60 void set_reinsert_breakpoint (CORE_ADDR stop_at
);
62 /* Delete all reinsert breakpoints. */
64 void delete_reinsert_breakpoints (void);
66 /* Reinsert breakpoints at WHERE (and change their status to
69 void reinsert_breakpoints_at (CORE_ADDR where
);
71 /* Uninsert breakpoints at WHERE (and change their status to
72 uninserted). This still leaves the breakpoints in the table. */
74 void uninsert_breakpoints_at (CORE_ADDR where
);
76 /* See if any breakpoint claims ownership of STOP_PC. Call the handler for
77 the breakpoint, if found. */
79 void check_breakpoints (CORE_ADDR stop_pc
);
81 /* See if any breakpoints shadow the target memory area from MEM_ADDR
82 to MEM_ADDR + MEM_LEN. Update the data already read from the target
83 (in BUF) if necessary. */
85 void check_mem_read (CORE_ADDR mem_addr
, unsigned char *buf
, int mem_len
);
87 /* See if any breakpoints shadow the target memory area from MEM_ADDR
88 to MEM_ADDR + MEM_LEN. Update the data to be written to the target
89 (in BUF) if necessary, as well as the original data for any breakpoints. */
91 void check_mem_write (CORE_ADDR mem_addr
, unsigned char *buf
, int mem_len
);
93 /* Set the byte pattern to insert for memory breakpoints. This function
94 must be called before any breakpoints are set. */
96 void set_breakpoint_data (const unsigned char *bp_data
, int bp_len
);
98 /* Delete all breakpoints. */
100 void delete_all_breakpoints (void);
102 /* Delete all breakpoints, but do not try to un-insert them from the
105 void free_all_breakpoints (struct process_info
*proc
);
107 /* Check if breakpoints still seem to be inserted in the inferior. */
109 void validate_breakpoints (void);
111 #endif /* MEM_BREAK_H */
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