1 /* Low-level debug register code for GNU/Linux x86 (i386 and x86-64). 2 3 Copyright (C) 1999-2023 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #ifndef NAT_X86_LINUX_DREGS_H 21 #define NAT_X86_LINUX_DREGS_H 22 23 /* Return the address stored in the current inferior's debug register 24 REGNUM. */ 25 26 extern CORE_ADDR x86_linux_dr_get_addr (int regnum); 27 28 /* Store ADDR in debug register REGNUM of all LWPs of the current 29 inferior. */ 30 31 extern void x86_linux_dr_set_addr (int regnum, CORE_ADDR addr); 32 33 /* Return the value stored in the current inferior's debug control 34 register. */ 35 36 extern unsigned long x86_linux_dr_get_control (void); 37 38 /* Store CONTROL in the debug control registers of all LWPs of the 39 current inferior. */ 40 41 extern void x86_linux_dr_set_control (unsigned long control); 42 43 /* Return the value stored in the current inferior's debug status 44 register. */ 45 46 extern unsigned long x86_linux_dr_get_status (void); 47 48 /* Update the thread's debug registers if the values in our local 49 mirror have been changed. */ 50 51 extern void x86_linux_update_debug_registers (struct lwp_info *lwp); 52 53 #endif /* NAT_X86_LINUX_DREGS_H */ 54