b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* |
| 3 | * intel_pt_insn_decoder.h: Intel Processor Trace support |
| 4 | * Copyright (c) 2013-2014, Intel Corporation. |
| 5 | */ |
| 6 | |
| 7 | #ifndef INCLUDE__INTEL_PT_INSN_DECODER_H__ |
| 8 | #define INCLUDE__INTEL_PT_INSN_DECODER_H__ |
| 9 | |
| 10 | #include <stddef.h> |
| 11 | #include <stdint.h> |
| 12 | |
| 13 | #define INTEL_PT_INSN_DESC_MAX 32 |
| 14 | #define INTEL_PT_INSN_BUF_SZ 16 |
| 15 | |
| 16 | enum intel_pt_insn_op { |
| 17 | INTEL_PT_OP_OTHER, |
| 18 | INTEL_PT_OP_CALL, |
| 19 | INTEL_PT_OP_RET, |
| 20 | INTEL_PT_OP_JCC, |
| 21 | INTEL_PT_OP_JMP, |
| 22 | INTEL_PT_OP_LOOP, |
| 23 | INTEL_PT_OP_IRET, |
| 24 | INTEL_PT_OP_INT, |
| 25 | INTEL_PT_OP_SYSCALL, |
| 26 | INTEL_PT_OP_SYSRET, |
| 27 | }; |
| 28 | |
| 29 | enum intel_pt_insn_branch { |
| 30 | INTEL_PT_BR_NO_BRANCH, |
| 31 | INTEL_PT_BR_INDIRECT, |
| 32 | INTEL_PT_BR_CONDITIONAL, |
| 33 | INTEL_PT_BR_UNCONDITIONAL, |
| 34 | }; |
| 35 | |
| 36 | struct intel_pt_insn { |
| 37 | enum intel_pt_insn_op op; |
| 38 | enum intel_pt_insn_branch branch; |
| 39 | int length; |
| 40 | int32_t rel; |
| 41 | unsigned char buf[INTEL_PT_INSN_BUF_SZ]; |
| 42 | }; |
| 43 | |
| 44 | int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64, |
| 45 | struct intel_pt_insn *intel_pt_insn); |
| 46 | |
| 47 | const char *intel_pt_insn_name(enum intel_pt_insn_op op); |
| 48 | |
| 49 | int intel_pt_insn_desc(const struct intel_pt_insn *intel_pt_insn, char *buf, |
| 50 | size_t buf_len); |
| 51 | |
| 52 | int intel_pt_insn_type(enum intel_pt_insn_op op); |
| 53 | |
| 54 | #endif |