1fca08f32SWang Nan /* 2fca08f32SWang Nan * arch/arm/kernel/kprobes.h 3fca08f32SWang Nan * 4fca08f32SWang Nan * Copyright (C) 2011 Jon Medhurst <tixy@yxit.co.uk>. 5fca08f32SWang Nan * 6fca08f32SWang Nan * Some contents moved here from arch/arm/include/asm/kprobes.h which is 7fca08f32SWang Nan * Copyright (C) 2006, 2007 Motorola Inc. 8fca08f32SWang Nan * 9fca08f32SWang Nan * This program is free software; you can redistribute it and/or modify 10fca08f32SWang Nan * it under the terms of the GNU General Public License version 2 as 11fca08f32SWang Nan * published by the Free Software Foundation. 12fca08f32SWang Nan * 13fca08f32SWang Nan * This program is distributed in the hope that it will be useful, 14fca08f32SWang Nan * but WITHOUT ANY WARRANTY; without even the implied warranty of 15fca08f32SWang Nan * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16fca08f32SWang Nan * General Public License for more details. 17fca08f32SWang Nan */ 18fca08f32SWang Nan 19fca08f32SWang Nan #ifndef _ARM_KERNEL_KPROBES_H 20fca08f32SWang Nan #define _ARM_KERNEL_KPROBES_H 21fca08f32SWang Nan 22fca08f32SWang Nan #include <asm/kprobes.h> 23fca08f32SWang Nan #include "../decode.h" 24fca08f32SWang Nan 25fca08f32SWang Nan /* 26fca08f32SWang Nan * These undefined instructions must be unique and 27fca08f32SWang Nan * reserved solely for kprobes' use. 28fca08f32SWang Nan */ 29fca08f32SWang Nan #define KPROBE_ARM_BREAKPOINT_INSTRUCTION 0x07f001f8 30fca08f32SWang Nan #define KPROBE_THUMB16_BREAKPOINT_INSTRUCTION 0xde18 31fca08f32SWang Nan #define KPROBE_THUMB32_BREAKPOINT_INSTRUCTION 0xf7f0a018 32fca08f32SWang Nan 330dc016dbSWang Nan extern void kprobes_remove_breakpoint(void *addr, unsigned int insn); 340dc016dbSWang Nan 35fca08f32SWang Nan enum probes_insn __kprobes 36fca08f32SWang Nan kprobe_decode_ldmstm(kprobe_opcode_t insn, struct arch_probes_insn *asi, 37fca08f32SWang Nan const struct decode_header *h); 38fca08f32SWang Nan 39fca08f32SWang Nan typedef enum probes_insn (kprobe_decode_insn_t)(probes_opcode_t, 40fca08f32SWang Nan struct arch_probes_insn *, 41fca08f32SWang Nan bool, 4283803d97SWang Nan const union decode_action *, 434e1c0664SJon Medhurst const struct decode_checker *[]); 44fca08f32SWang Nan 45fca08f32SWang Nan #ifdef CONFIG_THUMB2_KERNEL 46fca08f32SWang Nan 47fca08f32SWang Nan extern const union decode_action kprobes_t32_actions[]; 48fca08f32SWang Nan extern const union decode_action kprobes_t16_actions[]; 4983803d97SWang Nan extern const struct decode_checker *kprobes_t32_checkers[]; 5083803d97SWang Nan extern const struct decode_checker *kprobes_t16_checkers[]; 51fca08f32SWang Nan #else /* !CONFIG_THUMB2_KERNEL */ 52fca08f32SWang Nan 53fca08f32SWang Nan extern const union decode_action kprobes_arm_actions[]; 5483803d97SWang Nan extern const struct decode_checker *kprobes_arm_checkers[]; 55fca08f32SWang Nan 56fca08f32SWang Nan #endif 57fca08f32SWang Nan 58fca08f32SWang Nan #endif /* _ARM_KERNEL_KPROBES_H */ 59