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kernel/linux-rt-4.4.41/arch/avr32/include/asm/kprobes.h 1.27 KB
5113f6f70   김현기   kernel add
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  /*
   * Kernel Probes (KProbes)
   *
   * Copyright (C) 2005-2006 Atmel Corporation
   * Copyright (C) IBM Corporation, 2002, 2004
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  #ifndef __ASM_AVR32_KPROBES_H
  #define __ASM_AVR32_KPROBES_H
  
  #include <linux/types.h>
  
  typedef u16	kprobe_opcode_t;
  #define BREAKPOINT_INSTRUCTION	0xd673	/* breakpoint */
  #define MAX_INSN_SIZE		2
  #define MAX_STACK_SIZE		64	/* 32 would probably be OK */
  
  #define kretprobe_blacklist_size 0
  
  #define arch_remove_kprobe(p)	do { } while (0)
  
  /* Architecture specific copy of original instruction */
  struct arch_specific_insn {
  	kprobe_opcode_t	insn[MAX_INSN_SIZE];
  };
  
  struct prev_kprobe {
  	struct kprobe *kp;
  	unsigned int status;
  };
  
  /* per-cpu kprobe control block */
  struct kprobe_ctlblk {
  	unsigned int kprobe_status;
  	struct prev_kprobe prev_kprobe;
  	struct pt_regs jprobe_saved_regs;
  	char jprobes_stack[MAX_STACK_SIZE];
  };
  
  extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
  extern int kprobe_exceptions_notify(struct notifier_block *self,
  				    unsigned long val, void *data);
  
  #define flush_insn_slot(p)	do { } while (0)
  
  #endif /* __ASM_AVR32_KPROBES_H */