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. */
27 /* Create a new breakpoint at WHERE, and call HANDLER when
28 it is hit. HANDLER should return 1 if the breakpoint
29 should be deleted, 0 otherwise. */
31 void set_breakpoint_at (CORE_ADDR where
,
32 int (*handler
) (CORE_ADDR
));
34 /* Delete a breakpoint previously inserted at ADDR with
37 void delete_breakpoint_at (CORE_ADDR addr
);
39 /* Create a reinsertion breakpoint at STOP_AT for the breakpoint
40 currently at STOP_PC (and temporarily remove the breakpoint at
43 void reinsert_breakpoint_by_bp (CORE_ADDR stop_pc
, CORE_ADDR stop_at
);
45 /* Change the status of the breakpoint at WHERE to inserted. */
47 void reinsert_breakpoint (CORE_ADDR where
);
49 /* Change the status of the breakpoint at WHERE to uninserted. */
51 void uninsert_breakpoint (CORE_ADDR where
);
53 /* See if any breakpoint claims ownership of STOP_PC. Call the handler for
54 the breakpoint, if found. */
56 int check_breakpoints (CORE_ADDR stop_pc
);
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. */
62 void check_mem_read (CORE_ADDR mem_addr
, unsigned char *buf
, int mem_len
);
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. */
68 void check_mem_write (CORE_ADDR mem_addr
, unsigned char *buf
, int mem_len
);
70 /* Set the byte pattern to insert for memory breakpoints. This function
71 must be called before any breakpoints are set. */
73 void set_breakpoint_data (const unsigned char *bp_data
, int bp_len
);
75 /* Delete all breakpoints. */
77 void delete_all_breakpoints (void);
79 /* Delete all breakpoints, but do not try to un-insert them from the
82 void free_all_breakpoints (struct process_info
*proc
);
84 #endif /* MEM_BREAK_H */
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