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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 <asm-generic/kprobes.h>
#define BREAKPOINT_INSTRUCTION 0xd673 /* breakpoint */
#ifdef CONFIG_KPROBES
#include <linux/types.h>
typedef u16 kprobe_opcode_t;
#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 /* CONFIG_KPROBES */
#endif /* __ASM_AVR32_KPROBES_H */
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