| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| /* | |
| * Copied from arch/arm64/include/asm/kprobes.h | |
| * | |
| * Copyright (C) 2013 Linaro Limited | |
| * Copyright (C) 2017 SiFive | |
| */ | |
| #ifndef _ASM_RISCV_KPROBES_H | |
| #define _ASM_RISCV_KPROBES_H | |
| #include <asm-generic/kprobes.h> | |
| #ifdef CONFIG_KPROBES | |
| #include <linux/types.h> | |
| #include <linux/ptrace.h> | |
| #include <linux/percpu.h> | |
| #define __ARCH_WANT_KPROBES_INSN_SLOT | |
| #define MAX_INSN_SIZE 2 | |
| #define flush_insn_slot(p) do { } while (0) | |
| #define kretprobe_blacklist_size 0 | |
| #include <asm/probes.h> | |
| struct prev_kprobe { | |
| struct kprobe *kp; | |
| unsigned int status; | |
| }; | |
| /* per-cpu kprobe control block */ | |
| struct kprobe_ctlblk { | |
| unsigned int kprobe_status; | |
| unsigned long saved_status; | |
| struct prev_kprobe prev_kprobe; | |
| }; | |
| void arch_remove_kprobe(struct kprobe *p); | |
| int kprobe_fault_handler(struct pt_regs *regs, unsigned int trapnr); | |
| bool kprobe_breakpoint_handler(struct pt_regs *regs); | |
| bool kprobe_single_step_handler(struct pt_regs *regs); | |
| #else | |
| static inline bool kprobe_breakpoint_handler(struct pt_regs *regs) | |
| { | |
| return false; | |
| } | |
| static inline bool kprobe_single_step_handler(struct pt_regs *regs) | |
| { | |
| return false; | |
| } | |
| #endif /* CONFIG_KPROBES */ | |
| #endif /* _ASM_RISCV_KPROBES_H */ |