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 <asm-generic/kprobes.h> 20 21 #ifdef CONFIG_KPROBES 22 #include <linux/types.h> 23 #include <linux/ptrace.h> 24 #include <linux/percpu.h> 25 26 #define __ARCH_WANT_KPROBES_INSN_SLOT 27 #define MAX_INSN_SIZE 1 28 29 #define flush_insn_slot(p) do { } while (0) 30 #define kretprobe_blacklist_size 0 31 32 #include <asm/probes.h> 33 34 struct prev_kprobe { 35 struct kprobe *kp; 36 unsigned int status; 37 }; 38 39 /* Single step context for kprobe */ 40 struct kprobe_step_ctx { 41 unsigned long ss_pending; 42 unsigned long match_addr; 43 }; 44 45 /* per-cpu kprobe control block */ 46 struct kprobe_ctlblk { 47 unsigned int kprobe_status; 48 unsigned long saved_irqflag; 49 struct prev_kprobe prev_kprobe; 50 struct kprobe_step_ctx ss_ctx; 51 struct pt_regs jprobe_saved_regs; 52 }; 53 54 void arch_remove_kprobe(struct kprobe *); 55 int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr); 56 int kprobe_exceptions_notify(struct notifier_block *self, 57 unsigned long val, void *data); 58 int kprobe_breakpoint_handler(struct pt_regs *regs, unsigned int esr); 59 int kprobe_single_step_handler(struct pt_regs *regs, unsigned int esr); 60 void kretprobe_trampoline(void); 61 void __kprobes *trampoline_probe_handler(struct pt_regs *regs); 62 63 #endif /* CONFIG_KPROBES */ 64 #endif /* _ARM_KPROBES_H */ 65