arch/arm/kernel/probes-arm.h

   1 /*
   2  * arch/arm/kernel/probes-arm.h
   3  *
   4  * Copyright 2013 Linaro Ltd.
   5  * Written by: David A. Long
   6  *
   7  * The code contained herein is licensed under the GNU General Public
   8  * License. You may obtain a copy of the GNU General Public License
   9  * Version 2 or later at the following locations:
  10  *
  11  * http://www.opensource.org/licenses/gpl-license.html
  12  * http://www.gnu.org/copyleft/gpl.html
  13  */
  14
  15 #ifndef _ARM_KERNEL_PROBES_ARM_H
  16 #define  _ARM_KERNEL_PROBES_ARM_H
  17
  18 enum probes_arm_action {
  19         PROBES_EMULATE_NONE,
  20         PROBES_SIMULATE_NOP,
  21         PROBES_PRELOAD_IMM,
  22         PROBES_PRELOAD_REG,
  23         PROBES_BRANCH_IMM,
  24         PROBES_BRANCH_REG,
  25         PROBES_MRS,
  26         PROBES_CLZ,
  27         PROBES_SATURATING_ARITHMETIC,
  28         PROBES_MUL1,
  29         PROBES_MUL2,
  30         PROBES_SWP,
  31         PROBES_LDRSTRD,
  32         PROBES_LOAD,
  33         PROBES_STORE,
  34         PROBES_LOAD_EXTRA,
  35         PROBES_STORE_EXTRA,
  36         PROBES_MOV_IP_SP,
  37         PROBES_DATA_PROCESSING_REG,
  38         PROBES_DATA_PROCESSING_IMM,
  39         PROBES_MOV_HALFWORD,
  40         PROBES_SEV,
  41         PROBES_WFE,
  42         PROBES_SATURATE,
  43         PROBES_REV,
  44         PROBES_MMI,
  45         PROBES_PACK,
  46         PROBES_EXTEND,
  47         PROBES_EXTEND_ADD,
  48         PROBES_MUL_ADD_LONG,
  49         PROBES_MUL_ADD,
  50         PROBES_BITFIELD,
  51         PROBES_BRANCH,
  52         PROBES_LDMSTM,
  53         NUM_PROBES_ARM_ACTIONS
  54 };
  55
  56 void __kprobes simulate_bbl(probes_opcode_t opcode,
  57         struct arch_probes_insn *asi, struct pt_regs *regs);
  58 void __kprobes simulate_blx1(probes_opcode_t opcode,
  59         struct arch_probes_insn *asi, struct pt_regs *regs);
  60 void __kprobes simulate_blx2bx(probes_opcode_t opcode,
  61         struct arch_probes_insn *asi, struct pt_regs *regs);
  62 void __kprobes simulate_mrs(probes_opcode_t opcode,
  63         struct arch_probes_insn *asi, struct pt_regs *regs);
  64 void __kprobes simulate_mov_ipsp(probes_opcode_t opcode,
  65         struct arch_probes_insn *asi, struct pt_regs *regs);
  66
  67 extern const union decode_item probes_decode_arm_table[];
  68
  69 enum probes_insn arm_probes_decode_insn(probes_opcode_t,
  70                 struct arch_probes_insn *, bool emulate,
  71                 const union decode_action *actions);
  72
  73 #endif