LXR linux/arch/riscv/include/asm/kprobes.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * Copied from arch/arm64/include/asm/kprobes.h
   4 *
   5 * Copyright (C) 2013 Linaro Limited
   6 * Copyright (C) 2017 SiFive
   7 */
   8
   9#ifndef _ASM_RISCV_KPROBES_H
  10#define _ASM_RISCV_KPROBES_H
  11
  12#include <asm-generic/kprobes.h>
  13
  14#ifdef CONFIG_KPROBES
  15#include <linux/types.h>
  16#include <linux/ptrace.h>
  17#include <linux/percpu.h>
  18
  19#define __ARCH_WANT_KPROBES_INSN_SLOT
  20#define MAX_INSN_SIZE                   2
  21
  22#define flush_insn_slot(p)              do { } while (0)
  23#define kretprobe_blacklist_size        0
  24
  25#include <asm/probes.h>
  26
  27struct prev_kprobe {
  28        struct kprobe *kp;
  29        unsigned int status;
  30};
  31
  32/* per-cpu kprobe control block */
  33struct kprobe_ctlblk {
  34        unsigned int kprobe_status;
  35        unsigned long saved_status;
  36        struct prev_kprobe prev_kprobe;
  37};
  38
  39void arch_remove_kprobe(struct kprobe *p);
  40int kprobe_fault_handler(struct pt_regs *regs, unsigned int trapnr);
  41bool kprobe_breakpoint_handler(struct pt_regs *regs);
  42bool kprobe_single_step_handler(struct pt_regs *regs);
  43void __kretprobe_trampoline(void);
  44void __kprobes *trampoline_probe_handler(struct pt_regs *regs);
  45
  46#endif /* CONFIG_KPROBES */
  47#endif /* _ASM_RISCV_KPROBES_H */
  48