1*b725ae77Skettenis /* Memory breakpoint interfaces for the remote server for GDB. 2*b725ae77Skettenis Copyright 2002 3*b725ae77Skettenis Free Software Foundation, Inc. 4*b725ae77Skettenis 5*b725ae77Skettenis Contributed by MontaVista Software. 6*b725ae77Skettenis 7*b725ae77Skettenis This file is part of GDB. 8*b725ae77Skettenis 9*b725ae77Skettenis This program is free software; you can redistribute it and/or modify 10*b725ae77Skettenis it under the terms of the GNU General Public License as published by 11*b725ae77Skettenis the Free Software Foundation; either version 2 of the License, or 12*b725ae77Skettenis (at your option) any later version. 13*b725ae77Skettenis 14*b725ae77Skettenis This program is distributed in the hope that it will be useful, 15*b725ae77Skettenis but WITHOUT ANY WARRANTY; without even the implied warranty of 16*b725ae77Skettenis MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17*b725ae77Skettenis GNU General Public License for more details. 18*b725ae77Skettenis 19*b725ae77Skettenis You should have received a copy of the GNU General Public License 20*b725ae77Skettenis along with this program; if not, write to the Free Software 21*b725ae77Skettenis Foundation, Inc., 59 Temple Place - Suite 330, 22*b725ae77Skettenis Boston, MA 02111-1307, USA. */ 23*b725ae77Skettenis 24*b725ae77Skettenis #ifndef MEM_BREAK_H 25*b725ae77Skettenis #define MEM_BREAK_H 26*b725ae77Skettenis 27*b725ae77Skettenis /* Breakpoints are opaque. */ 28*b725ae77Skettenis 29*b725ae77Skettenis /* Create a new breakpoint at WHERE, and call HANDLER when 30*b725ae77Skettenis it is hit. */ 31*b725ae77Skettenis 32*b725ae77Skettenis void set_breakpoint_at (CORE_ADDR where, 33*b725ae77Skettenis void (*handler) (CORE_ADDR)); 34*b725ae77Skettenis 35*b725ae77Skettenis /* Create a reinsertion breakpoint at STOP_AT for the breakpoint 36*b725ae77Skettenis currently at STOP_PC (and temporarily remove the breakpoint at 37*b725ae77Skettenis STOP_PC). */ 38*b725ae77Skettenis 39*b725ae77Skettenis void reinsert_breakpoint_by_bp (CORE_ADDR stop_pc, CORE_ADDR stop_at); 40*b725ae77Skettenis 41*b725ae77Skettenis /* Change the status of the breakpoint at WHERE to inserted. */ 42*b725ae77Skettenis 43*b725ae77Skettenis void reinsert_breakpoint (CORE_ADDR where); 44*b725ae77Skettenis 45*b725ae77Skettenis /* Change the status of the breakpoint at WHERE to uninserted. */ 46*b725ae77Skettenis 47*b725ae77Skettenis void uninsert_breakpoint (CORE_ADDR where); 48*b725ae77Skettenis 49*b725ae77Skettenis /* See if any breakpoint claims ownership of STOP_PC. Call the handler for 50*b725ae77Skettenis the breakpoint, if found. */ 51*b725ae77Skettenis 52*b725ae77Skettenis int check_breakpoints (CORE_ADDR stop_pc); 53*b725ae77Skettenis 54*b725ae77Skettenis /* See if any breakpoints shadow the target memory area from MEM_ADDR 55*b725ae77Skettenis to MEM_ADDR + MEM_LEN. Update the data already read from the target 56*b725ae77Skettenis (in BUF) if necessary. */ 57*b725ae77Skettenis 58*b725ae77Skettenis void check_mem_read (CORE_ADDR mem_addr, char *buf, int mem_len); 59*b725ae77Skettenis 60*b725ae77Skettenis /* See if any breakpoints shadow the target memory area from MEM_ADDR 61*b725ae77Skettenis to MEM_ADDR + MEM_LEN. Update the data to be written to the target 62*b725ae77Skettenis (in BUF) if necessary, as well as the original data for any breakpoints. */ 63*b725ae77Skettenis 64*b725ae77Skettenis void check_mem_write (CORE_ADDR mem_addr, char *buf, int mem_len); 65*b725ae77Skettenis 66*b725ae77Skettenis /* Set the byte pattern to insert for memory breakpoints. This function 67*b725ae77Skettenis must be called before any breakpoints are set. */ 68*b725ae77Skettenis 69*b725ae77Skettenis void set_breakpoint_data (const char *bp_data, int bp_len); 70*b725ae77Skettenis 71*b725ae77Skettenis #endif /* MEM_BREAK_H */ 72