1 /* 2 * arch/arm64/include/asm/kprobes.h 3 * 4 * Copyright (C) 2013 Linaro Limited 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * General Public License for more details. 14 */ 15 16 #ifndef _ARM_KPROBES_H 17 #define _ARM_KPROBES_H 18 19 #include <linux/types.h> 20 #include <linux/ptrace.h> 21 #include <linux/percpu.h> 22 23 #define __ARCH_WANT_KPROBES_INSN_SLOT 24 #define MAX_INSN_SIZE 1 25 26 #define flush_insn_slot(p) do { } while (0) 27 #define kretprobe_blacklist_size 0 28 29 #include <asm/probes.h> 30 31 struct prev_kprobe { 32 struct kprobe *kp; 33 unsigned int status; 34 }; 35 36 /* Single step context for kprobe */ 37 struct kprobe_step_ctx { 38 unsigned long ss_pending; 39 unsigned long match_addr; 40 }; 41 42 /* per-cpu kprobe control block */ 43 struct kprobe_ctlblk { 44 unsigned int kprobe_status; 45 unsigned long saved_irqflag; 46 struct prev_kprobe prev_kprobe; 47 struct kprobe_step_ctx ss_ctx; 48 struct pt_regs jprobe_saved_regs; 49 }; 50 51 void arch_remove_kprobe(struct kprobe *); 52 int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr); 53 int kprobe_exceptions_notify(struct notifier_block *self, 54 unsigned long val, void *data); 55 int kprobe_breakpoint_handler(struct pt_regs *regs, unsigned int esr); 56 int kprobe_single_step_handler(struct pt_regs *regs, unsigned int esr); 57 void kretprobe_trampoline(void); 58 void __kprobes *trampoline_probe_handler(struct pt_regs *regs); 59 60 #endif /* _ARM_KPROBES_H */ 61