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95 lines
2.2 KiB
95 lines
2.2 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* arch/arm/probes/decode-thumb.h |
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* |
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* Copyright 2013 Linaro Ltd. |
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* Written by: David A. Long |
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*/ |
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#ifndef _ARM_KERNEL_PROBES_THUMB_H |
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#define _ARM_KERNEL_PROBES_THUMB_H |
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#include "decode.h" |
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/* |
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* True if current instruction is in an IT block. |
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*/ |
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#define in_it_block(cpsr) ((cpsr & 0x06000c00) != 0x00000000) |
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/* |
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* Return the condition code to check for the currently executing instruction. |
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* This is in ITSTATE<7:4> which is in CPSR<15:12> but is only valid if |
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* in_it_block returns true. |
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*/ |
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#define current_cond(cpsr) ((cpsr >> 12) & 0xf) |
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enum probes_t32_action { |
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PROBES_T32_EMULATE_NONE, |
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PROBES_T32_SIMULATE_NOP, |
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PROBES_T32_LDMSTM, |
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PROBES_T32_LDRDSTRD, |
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PROBES_T32_TABLE_BRANCH, |
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PROBES_T32_TST, |
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PROBES_T32_CMP, |
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PROBES_T32_MOV, |
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PROBES_T32_ADDSUB, |
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PROBES_T32_LOGICAL, |
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PROBES_T32_ADDWSUBW_PC, |
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PROBES_T32_ADDWSUBW, |
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PROBES_T32_MOVW, |
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PROBES_T32_SAT, |
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PROBES_T32_BITFIELD, |
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PROBES_T32_SEV, |
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PROBES_T32_WFE, |
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PROBES_T32_MRS, |
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PROBES_T32_BRANCH_COND, |
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PROBES_T32_BRANCH, |
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PROBES_T32_PLDI, |
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PROBES_T32_LDR_LIT, |
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PROBES_T32_LDRSTR, |
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PROBES_T32_SIGN_EXTEND, |
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PROBES_T32_MEDIA, |
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PROBES_T32_REVERSE, |
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PROBES_T32_MUL_ADD, |
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PROBES_T32_MUL_ADD2, |
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PROBES_T32_MUL_ADD_LONG, |
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NUM_PROBES_T32_ACTIONS |
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}; |
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enum probes_t16_action { |
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PROBES_T16_ADD_SP, |
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PROBES_T16_CBZ, |
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PROBES_T16_SIGN_EXTEND, |
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PROBES_T16_PUSH, |
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PROBES_T16_POP, |
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PROBES_T16_SEV, |
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PROBES_T16_WFE, |
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PROBES_T16_IT, |
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PROBES_T16_CMP, |
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PROBES_T16_ADDSUB, |
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PROBES_T16_LOGICAL, |
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PROBES_T16_BLX, |
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PROBES_T16_HIREGOPS, |
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PROBES_T16_LDR_LIT, |
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PROBES_T16_LDRHSTRH, |
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PROBES_T16_LDRSTR, |
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PROBES_T16_ADR, |
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PROBES_T16_LDMSTM, |
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PROBES_T16_BRANCH_COND, |
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PROBES_T16_BRANCH, |
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NUM_PROBES_T16_ACTIONS |
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}; |
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extern const union decode_item probes_decode_thumb32_table[]; |
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extern const union decode_item probes_decode_thumb16_table[]; |
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enum probes_insn __kprobes |
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thumb16_probes_decode_insn(probes_opcode_t insn, struct arch_probes_insn *asi, |
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bool emulate, const union decode_action *actions, |
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const struct decode_checker *checkers[]); |
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enum probes_insn __kprobes |
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thumb32_probes_decode_insn(probes_opcode_t insn, struct arch_probes_insn *asi, |
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bool emulate, const union decode_action *actions, |
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const struct decode_checker *checkers[]); |
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#endif
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