gdb/nat/x86-linux-dregs.h

   1 /* Low-level debug register code for GNU/Linux x86 (i386 and x86-64).
   2
   3    Copyright (C) 1999-2019 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 */