Release 4.14 arch/arc/include/asm/kprobes.h

/*
 * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 *
 * 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 _ARC_KPROBES_H

#define _ARC_KPROBES_H

#include <asm-generic/kprobes.h>

#ifdef CONFIG_KPROBES


typedef u16 kprobe_opcode_t;


#define UNIMP_S_INSTRUCTION 0x79e0

#define TRAP_S_2_INSTRUCTION 0x785e


#define MAX_INSN_SIZE   8

#define MAX_STACK_SIZE  64


struct arch_specific_insn {
	
int is_short;
	

kprobe_opcode_t *t1_addr, *t2_addr;
	

kprobe_opcode_t t1_opcode, t2_opcode;
};


#define flush_insn_slot(p)  do {  } while (0)


#define kretprobe_blacklist_size    0

struct kprobe;

void arch_remove_kprobe(struct kprobe *p);

int kprobe_exceptions_notify(struct notifier_block *self,
			     unsigned long val, void *data);


struct prev_kprobe {
	
struct kprobe *kp;
	
unsigned long status;
};


struct kprobe_ctlblk {
	
unsigned int kprobe_status;
	
struct pt_regs jprobe_saved_regs;
	
char jprobes_stack[MAX_STACK_SIZE];
	
struct prev_kprobe prev_kprobe;
};

int kprobe_fault_handler(struct pt_regs *regs, unsigned long cause);
void kretprobe_trampoline(void);
void trap_is_kprobe(unsigned long address, struct pt_regs *regs);
#else

#define trap_is_kprobe(address, regs)
#endif /* CONFIG_KPROBES */

#endif /* _ARC_KPROBES_H */
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Directory: arch/arc/include/asm

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