[mirror_ubuntu-artful-kernel.git] / arch / avr32 / include / asm / kprobes.h

/*
 * 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 */
Commit	Line	Data
5f97f7f9 HS	1	/*
	2	* Kernel Probes (KProbes)
	3	*
	4	* Copyright (C) 2005-2006 Atmel Corporation
	5	* Copyright (C) IBM Corporation, 2002, 2004
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
	10	*/
	11	#ifndef __ASM_AVR32_KPROBES_H
	12	#define __ASM_AVR32_KPROBES_H
	13
	14	#include <linux/types.h>
	15
	16	typedef u16 kprobe_opcode_t;
	17	#define BREAKPOINT_INSTRUCTION 0xd673 /* breakpoint */
	18	#define MAX_INSN_SIZE 2
dbc0d691	19	#define MAX_STACK_SIZE 64 /* 32 would probably be OK */
5f97f7f9	20
f438d914 MH	21	#define kretprobe_blacklist_size 0
f438d914 MH	22
5f97f7f9 HS	23	#define arch_remove_kprobe(p) do { } while (0)
	24
	25	/* Architecture specific copy of original instruction */
	26	struct arch_specific_insn {
	27	kprobe_opcode_t insn[MAX_INSN_SIZE];
	28	};
	29
dbc0d691 EA	30	struct prev_kprobe {
	31	struct kprobe *kp;
	32	unsigned int status;
	33	};
	34
	35	/* per-cpu kprobe control block */
	36	struct kprobe_ctlblk {
	37	unsigned int kprobe_status;
	38	struct prev_kprobe prev_kprobe;
	39	struct pt_regs jprobe_saved_regs;
	40	char jprobes_stack[MAX_STACK_SIZE];
	41	};
	42
9caebec7	43	extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
5f97f7f9 HS	44	extern int kprobe_exceptions_notify(struct notifier_block *self,
	45	unsigned long val, void *data);
	46
	47	#define flush_insn_slot(p) do { } while (0)
	48
	49	#endif /* __ASM_AVR32_KPROBES_H */