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 /* Returns TRUE if breakpoints are supported on this target. */
30 int breakpoints_supported (void);
32 /* Returns TRUE if there's any breakpoint at ADDR in our tables,
35 int breakpoint_here (CORE_ADDR addr);
37 /* Returns TRUE if there's any inserted breakpoint set at ADDR. */
39 int breakpoint_inserted_here (CORE_ADDR addr);
41 /* Create a new breakpoint at WHERE, and call HANDLER when
42 it is hit. HANDLER should return 1 if the breakpoint
43 should be deleted, 0 otherwise. */
45 struct breakpoint *set_breakpoint_at (CORE_ADDR where,
46 int (*handler) (CORE_ADDR));
48 /* Delete a breakpoint previously inserted at ADDR with
51 void delete_breakpoint_at (CORE_ADDR addr);
53 /* Set a reinsert breakpoint at STOP_AT. */
55 void set_reinsert_breakpoint (CORE_ADDR stop_at);
57 /* Delete all reinsert breakpoints. */
59 void delete_reinsert_breakpoints (void);
61 /* Reinsert breakpoints at WHERE (and change their status to
64 void reinsert_breakpoints_at (CORE_ADDR where);
66 /* Uninsert breakpoints at WHERE (and change their status to
67 uninserted). This still leaves the breakpoints in the table. */
69 void uninsert_breakpoints_at (CORE_ADDR where);
71 /* See if any breakpoint claims ownership of STOP_PC. Call the handler for
72 the breakpoint, if found. */
74 void check_breakpoints (CORE_ADDR stop_pc);
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. */
80 void check_mem_read (CORE_ADDR mem_addr, unsigned char *buf, int mem_len);
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. */
86 void check_mem_write (CORE_ADDR mem_addr, unsigned char *buf, int mem_len);
88 /* Set the byte pattern to insert for memory breakpoints. This function
89 must be called before any breakpoints are set. */
91 void set_breakpoint_data (const unsigned char *bp_data, int bp_len);
93 /* Delete all breakpoints. */
95 void delete_all_breakpoints (void);
97 /* Delete all breakpoints, but do not try to un-insert them from the
100 void free_all_breakpoints (struct process_info *proc);
102 #endif /* MEM_BREAK_H */