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kernel/linux-rt-4.4.41/arch/sparc/include/asm/kprobes.h 1.29 KB
5113f6f70   김현기   kernel add
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  #ifndef _SPARC64_KPROBES_H
  #define _SPARC64_KPROBES_H
  
  #include <linux/types.h>
  #include <linux/percpu.h>
  
  typedef u32 kprobe_opcode_t;
  
  #define BREAKPOINT_INSTRUCTION   0x91d02070 /* ta 0x70 */
  #define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
  #define MAX_INSN_SIZE 2
  
  #define kretprobe_blacklist_size 0
  
  #define arch_remove_kprobe(p)	do {} while (0)
  
  #define flush_insn_slot(p)		\
  do { 	flushi(&(p)->ainsn.insn[0]);	\
  	flushi(&(p)->ainsn.insn[1]);	\
  } while (0)
  
  void kretprobe_trampoline(void);
  
  /* Architecture specific copy of original instruction*/
  struct arch_specific_insn {
  	/* copy of the original instruction */
  	kprobe_opcode_t insn[MAX_INSN_SIZE];
  };
  
  struct prev_kprobe {
  	struct kprobe *kp;
  	unsigned long status;
  	unsigned long orig_tnpc;
  	unsigned long orig_tstate_pil;
  };
  
  /* per-cpu kprobe control block */
  struct kprobe_ctlblk {
  	unsigned long kprobe_status;
  	unsigned long kprobe_orig_tnpc;
  	unsigned long kprobe_orig_tstate_pil;
  	struct pt_regs jprobe_saved_regs;
  	struct prev_kprobe prev_kprobe;
  };
  
  int kprobe_exceptions_notify(struct notifier_block *self,
  			     unsigned long val, void *data);
  int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
  asmlinkage void __kprobes kprobe_trap(unsigned long trap_level,
  				      struct pt_regs *regs);
  #endif /* _SPARC64_KPROBES_H */