1 /* Memory breakpoint interfaces for the remote server for GDB. 2 Copyright 2002 3 Free Software Foundation, Inc. 4 5 Contributed by MontaVista Software. 6 7 This file is part of GDB. 8 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 2 of the License, or 12 (at your option) any later version. 13 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. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 59 Temple Place - Suite 330, 22 Boston, MA 02111-1307, USA. */ 23 24 #ifndef MEM_BREAK_H 25 #define MEM_BREAK_H 26 27 /* Breakpoints are opaque. */ 28 29 /* Create a new breakpoint at WHERE, and call HANDLER when 30 it is hit. */ 31 32 void set_breakpoint_at (CORE_ADDR where, 33 void (*handler) (CORE_ADDR)); 34 35 /* Create a reinsertion breakpoint at STOP_AT for the breakpoint 36 currently at STOP_PC (and temporarily remove the breakpoint at 37 STOP_PC). */ 38 39 void reinsert_breakpoint_by_bp (CORE_ADDR stop_pc, CORE_ADDR stop_at); 40 41 /* Change the status of the breakpoint at WHERE to inserted. */ 42 43 void reinsert_breakpoint (CORE_ADDR where); 44 45 /* Change the status of the breakpoint at WHERE to uninserted. */ 46 47 void uninsert_breakpoint (CORE_ADDR where); 48 49 /* See if any breakpoint claims ownership of STOP_PC. Call the handler for 50 the breakpoint, if found. */ 51 52 int check_breakpoints (CORE_ADDR stop_pc); 53 54 /* See if any breakpoints shadow the target memory area from MEM_ADDR 55 to MEM_ADDR + MEM_LEN. Update the data already read from the target 56 (in BUF) if necessary. */ 57 58 void check_mem_read (CORE_ADDR mem_addr, char *buf, int mem_len); 59 60 /* See if any breakpoints shadow the target memory area from MEM_ADDR 61 to MEM_ADDR + MEM_LEN. Update the data to be written to the target 62 (in BUF) if necessary, as well as the original data for any breakpoints. */ 63 64 void check_mem_write (CORE_ADDR mem_addr, char *buf, int mem_len); 65 66 /* Set the byte pattern to insert for memory breakpoints. This function 67 must be called before any breakpoints are set. */ 68 69 void set_breakpoint_data (const char *bp_data, int bp_len); 70 71 #endif /* MEM_BREAK_H */ 72