| 1 | /* Native-dependent code for the i386. |
| 2 | |
| 3 | Low level functions to implement Oeprating System specific |
| 4 | code to manipulate I386 debug registers. |
| 5 | |
| 6 | Copyright (C) 2009-2014 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 I386_NAT_H |
| 24 | #define I386_NAT_H 1 |
| 25 | |
| 26 | #include "nat/i386-dregs.h" |
| 27 | |
| 28 | /* Hardware-assisted breakpoints and watchpoints. */ |
| 29 | |
| 30 | /* Add watchpoint methods to the provided target_ops. |
| 31 | Targets using i386 family debug registers for watchpoints should call |
| 32 | this. */ |
| 33 | struct target_ops; |
| 34 | extern void i386_use_watchpoints (struct target_ops *); |
| 35 | |
| 36 | /* Use this function to set i386_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 i386_set_debug_register_length (int len); |
| 42 | |
| 43 | /* Use this function to reset the i386-nat.c debug register state. */ |
| 44 | |
| 45 | extern void i386_cleanup_dregs (void); |
| 46 | |
| 47 | /* Return a pointer to the local mirror of the debug registers of |
| 48 | process PID. */ |
| 49 | |
| 50 | extern struct i386_debug_reg_state *i386_debug_reg_state (pid_t pid); |
| 51 | |
| 52 | /* Called whenever GDB is no longer debugging process PID. It deletes |
| 53 | data structures that keep track of debug register state. */ |
| 54 | |
| 55 | extern void i386_forget_process (pid_t pid); |
| 56 | |
| 57 | #endif /* I386_NAT_H */ |