1 /* 2 * arch/arm/include/asm/kprobes.h 3 * 4 * Copyright (C) 2006, 2007 Motorola Inc. 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/notifier.h> 22 23 #define __ARCH_WANT_KPROBES_INSN_SLOT 24 #define MAX_INSN_SIZE 2 25 #define MAX_STACK_SIZE 64 /* 32 would probably be OK */ 26 27 #define flush_insn_slot(p) do { } while (0) 28 #define kretprobe_blacklist_size 0 29 30 typedef u32 kprobe_opcode_t; 31 struct kprobe; 32 #include <asm/probes.h> 33 34 #define arch_specific_insn arch_probes_insn 35 36 struct prev_kprobe { 37 struct kprobe *kp; 38 unsigned int status; 39 }; 40 41 /* per-cpu kprobe control block */ 42 struct kprobe_ctlblk { 43 unsigned int kprobe_status; 44 struct prev_kprobe prev_kprobe; 45 struct pt_regs jprobe_saved_regs; 46 char jprobes_stack[MAX_STACK_SIZE]; 47 }; 48 49 void arch_remove_kprobe(struct kprobe *); 50 int kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr); 51 int kprobe_exceptions_notify(struct notifier_block *self, 52 unsigned long val, void *data); 53 54 55 #endif /* _ARM_KPROBES_H */ 56