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Linux/arch/mips/include/asm/watch.h

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  1 /*
  2  * This file is subject to the terms and conditions of the GNU General Public
  3  * License.  See the file "COPYING" in the main directory of this archive
  4  * for more details.
  5  *
  6  * Copyright (C) 2008 David Daney
  7  */
  8 #ifndef _ASM_WATCH_H
  9 #define _ASM_WATCH_H
 10 
 11 #include <linux/bitops.h>
 12 
 13 #include <asm/mipsregs.h>
 14 
 15 void mips_install_watch_registers(struct task_struct *t);
 16 void mips_read_watch_registers(void);
 17 void mips_clear_watch_registers(void);
 18 void mips_probe_watch_registers(struct cpuinfo_mips *c);
 19 
 20 #ifdef CONFIG_HARDWARE_WATCHPOINTS
 21 #define __restore_watch(task) do {                                      \
 22         if (unlikely(test_bit(TIF_LOAD_WATCH,                           \
 23                               &task_thread_info(task)->flags))) {       \
 24                 mips_install_watch_registers(task);                     \
 25         }                                                               \
 26 } while (0)
 27 
 28 #else
 29 #define __restore_watch(task) do {} while (0)
 30 #endif
 31 
 32 #endif /* _ASM_WATCH_H */
 33 

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