| /* Memory breakpoint interfaces for the remote server for GDB. |
| Copyright (C) 2002, 2005, 2007, 2008 Free Software Foundation, Inc. |
| |
| Contributed by MontaVista Software. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef MEM_BREAK_H |
| #define MEM_BREAK_H |
| |
| /* Breakpoints are opaque. */ |
| |
| /* Create a new breakpoint at WHERE, and call HANDLER when |
| it is hit. HANDLER should return 1 if the breakpoint |
| should be deleted, 0 otherwise. */ |
| |
| void set_breakpoint_at (CORE_ADDR where, |
| int (*handler) (CORE_ADDR)); |
| |
| /* Delete a breakpoint previously inserted at ADDR with |
| set_breakpoint_at. */ |
| |
| void delete_breakpoint_at (CORE_ADDR addr); |
| |
| /* Create a reinsertion breakpoint at STOP_AT for the breakpoint |
| currently at STOP_PC (and temporarily remove the breakpoint at |
| STOP_PC). */ |
| |
| void reinsert_breakpoint_by_bp (CORE_ADDR stop_pc, CORE_ADDR stop_at); |
| |
| /* Change the status of the breakpoint at WHERE to inserted. */ |
| |
| void reinsert_breakpoint (CORE_ADDR where); |
| |
| /* Change the status of the breakpoint at WHERE to uninserted. */ |
| |
| void uninsert_breakpoint (CORE_ADDR where); |
| |
| /* See if any breakpoint claims ownership of STOP_PC. Call the handler for |
| the breakpoint, if found. */ |
| |
| int check_breakpoints (CORE_ADDR stop_pc); |
| |
| /* See if any breakpoints shadow the target memory area from MEM_ADDR |
| to MEM_ADDR + MEM_LEN. Update the data already read from the target |
| (in BUF) if necessary. */ |
| |
| void check_mem_read (CORE_ADDR mem_addr, unsigned char *buf, int mem_len); |
| |
| /* See if any breakpoints shadow the target memory area from MEM_ADDR |
| to MEM_ADDR + MEM_LEN. Update the data to be written to the target |
| (in BUF) if necessary, as well as the original data for any breakpoints. */ |
| |
| void check_mem_write (CORE_ADDR mem_addr, unsigned char *buf, int mem_len); |
| |
| /* Set the byte pattern to insert for memory breakpoints. This function |
| must be called before any breakpoints are set. */ |
| |
| void set_breakpoint_data (const unsigned char *bp_data, int bp_len); |
| |
| /* Delete all breakpoints. */ |
| |
| void delete_all_breakpoints (void); |
| |
| #endif /* MEM_BREAK_H */ |