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kernel/linux-rt-4.4.41/arch/arm/include/asm/uprobes.h 1.07 KB
5113f6f70   김현기   kernel add
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  /*
   * Copyright (C) 2012 Rabin Vincent <rabin at rab.in>
   *
   * 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_UPROBES_H
  #define _ASM_UPROBES_H
  
  #include <asm/probes.h>
  #include <asm/opcodes.h>
  
  typedef u32 uprobe_opcode_t;
  
  #define MAX_UINSN_BYTES		4
  #define UPROBE_XOL_SLOT_BYTES	64
  
  #define UPROBE_SWBP_ARM_INSN	0xe7f001f9
  #define UPROBE_SS_ARM_INSN	0xe7f001fa
  #define UPROBE_SWBP_INSN	__opcode_to_mem_arm(UPROBE_SWBP_ARM_INSN)
  #define UPROBE_SWBP_INSN_SIZE	4
  
  struct arch_uprobe_task {
  	u32 backup;
  	unsigned long	saved_trap_no;
  };
  
  struct arch_uprobe {
  	u8 insn[MAX_UINSN_BYTES];
  	unsigned long ixol[2];
  	uprobe_opcode_t bpinsn;
  	bool simulate;
  	u32 pcreg;
  	void (*prehandler)(struct arch_uprobe *auprobe,
  			   struct arch_uprobe_task *autask,
  			   struct pt_regs *regs);
  	void (*posthandler)(struct arch_uprobe *auprobe,
  			    struct arch_uprobe_task *autask,
  			    struct pt_regs *regs);
  	struct arch_probes_insn asi;
  };
  
  #endif