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Linux/arch/arc/include/asm/kprobes.h

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  1 /*
  2  * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
  3  *
  4  * This program is free software; you can redistribute it and/or modify
  5  * it under the terms of the GNU General Public License version 2 as
  6  * published by the Free Software Foundation.
  7  */
  8 
  9 #ifndef _ARC_KPROBES_H
 10 #define _ARC_KPROBES_H
 11 
 12 #include <asm-generic/kprobes.h>
 13 
 14 #ifdef CONFIG_KPROBES
 15 
 16 typedef u16 kprobe_opcode_t;
 17 
 18 #define UNIMP_S_INSTRUCTION 0x79e0
 19 #define TRAP_S_2_INSTRUCTION 0x785e
 20 
 21 #define MAX_INSN_SIZE   8
 22 #define MAX_STACK_SIZE  64
 23 
 24 struct arch_specific_insn {
 25         int is_short;
 26         kprobe_opcode_t *t1_addr, *t2_addr;
 27         kprobe_opcode_t t1_opcode, t2_opcode;
 28 };
 29 
 30 #define flush_insn_slot(p)  do {  } while (0)
 31 
 32 #define kretprobe_blacklist_size    0
 33 
 34 struct kprobe;
 35 
 36 void arch_remove_kprobe(struct kprobe *p);
 37 
 38 int kprobe_exceptions_notify(struct notifier_block *self,
 39                              unsigned long val, void *data);
 40 
 41 struct prev_kprobe {
 42         struct kprobe *kp;
 43         unsigned long status;
 44 };
 45 
 46 struct kprobe_ctlblk {
 47         unsigned int kprobe_status;
 48         struct prev_kprobe prev_kprobe;
 49 };
 50 
 51 int kprobe_fault_handler(struct pt_regs *regs, unsigned long cause);
 52 void kretprobe_trampoline(void);
 53 void trap_is_kprobe(unsigned long address, struct pt_regs *regs);
 54 #else
 55 #define trap_is_kprobe(address, regs)
 56 #endif /* CONFIG_KPROBES */
 57 
 58 #endif /* _ARC_KPROBES_H */
 59 

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