1 /* Native-dependent code for x86 (i386 and x86-64). 2 3 Low level functions to implement Oeprating System specific 4 code to manipulate x86 debug registers. 5 6 Copyright (C) 2009-2015 Free Software Foundation, Inc. 7 8 This file is part of GDB. 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 3 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 22 23 #ifndef X86_NAT_H 24 #define X86_NAT_H 1 25 26 #include "nat/x86-dregs.h" 27 28 /* Hardware-assisted breakpoints and watchpoints. */ 29 30 /* Add watchpoint methods to the provided target_ops. 31 Targets using x86 family debug registers for watchpoints should call 32 this. */ 33 struct target_ops; 34 extern void x86_use_watchpoints (struct target_ops *); 35 36 /* Use this function to set x86_dr_low debug_register_length field 37 rather than setting it directly to check that the length is only 38 set once. It also enables the 'maint set/show show-debug-regs' 39 command. */ 40 41 extern void x86_set_debug_register_length (int len); 42 43 /* Use this function to reset the x86-nat.c debug register state. */ 44 45 extern void x86_cleanup_dregs (void); 46 47 /* Called whenever GDB is no longer debugging process PID. It deletes 48 data structures that keep track of debug register state. */ 49 50 extern void x86_forget_process (pid_t pid); 51 52 #endif /* X86_NAT_H */ 53