1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * arch/arm64/include/asm/kprobes.h 4 * 5 * Copyright (C) 2013 Linaro Limited 6 */ 7 8 #ifndef _ARM_KPROBES_H 9 #define _ARM_KPROBES_H 10 11 #include <asm-generic/kprobes.h> 12 13 #ifdef CONFIG_KPROBES 14 #include <linux/types.h> 15 #include <linux/ptrace.h> 16 #include <linux/percpu.h> 17 18 #define __ARCH_WANT_KPROBES_INSN_SLOT 19 #define MAX_INSN_SIZE 1 20 21 #define flush_insn_slot(p) do { } while (0) 22 #define kretprobe_blacklist_size 0 23 24 #include <asm/probes.h> 25 26 struct prev_kprobe { 27 struct kprobe *kp; 28 unsigned int status; 29 }; 30 31 /* Single step context for kprobe */ 32 struct kprobe_step_ctx { 33 unsigned long ss_pending; 34 unsigned long match_addr; 35 }; 36 37 /* per-cpu kprobe control block */ 38 struct kprobe_ctlblk { 39 unsigned int kprobe_status; 40 unsigned long saved_irqflag; 41 struct prev_kprobe prev_kprobe; 42 struct kprobe_step_ctx ss_ctx; 43 }; 44 45 void arch_remove_kprobe(struct kprobe *); 46 int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr); 47 int kprobe_exceptions_notify(struct notifier_block *self, 48 unsigned long val, void *data); 49 void kretprobe_trampoline(void); 50 void __kprobes *trampoline_probe_handler(struct pt_regs *regs); 51 52 #endif /* CONFIG_KPROBES */ 53 #endif /* _ARM_KPROBES_H */ 54