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/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/parisc/include/asm/kprobes.h
*
* PA-RISC kprobes implementation
*
* Copyright (c) 2019 Sven Schnelle <svens@stackframe.org>
*/
#ifndef _PARISC_KPROBES_H
#define _PARISC_KPROBES_H
#include <asm-generic/kprobes.h>
#ifdef CONFIG_KPROBES
#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/notifier.h>
#define PARISC_KPROBES_BREAK_INSN 0x3ff801f
#define PARISC_KPROBES_BREAK_INSN2 0x3ff801e
#define __ARCH_WANT_KPROBES_INSN_SLOT
#define MAX_INSN_SIZE 2
typedef u32 kprobe_opcode_t;
struct kprobe;
void arch_remove_kprobe(struct kprobe *p);
#define flush_insn_slot(p) \
flush_icache_range((unsigned long)&(p)->ainsn.insn[0], \
(unsigned long)&(p)->ainsn.insn[0] + \
MAX_INSN_SIZE*sizeof(kprobe_opcode_t))
#define kretprobe_blacklist_size 0
struct arch_specific_insn {
kprobe_opcode_t *insn;
};
struct prev_kprobe {
struct kprobe *kp;
unsigned long status;
};
struct kprobe_ctlblk {
unsigned int kprobe_status;
struct prev_kprobe prev_kprobe;
unsigned long iaoq[2];
};
int __kprobes parisc_kprobe_break_handler(struct pt_regs *regs);
int __kprobes parisc_kprobe_ss_handler(struct pt_regs *regs);
static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
{
return 0;
}
#endif /* CONFIG_KPROBES */
#endif /* _PARISC_KPROBES_H */
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