![Eirik Aanonsen](/assets/img/avatar_default.png)
This re-enables kprobes on AVR32 architecture. Signed-off-by: Eirik Aanonsen <eaa@wprmedical.com> Signed-off-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
/*
|
|
* 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 */
|