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1 /*
2  * arch/arm/probes/decode-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 #include "decode.h"
19 
20 enum probes_arm_action {
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 		const struct decode_checker *checkers[]);
73 
74 #endif
75