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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
16enum 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 INTEL_PT_OP_VMENTRY,
28};
29
30enum intel_pt_insn_branch {
31 INTEL_PT_BR_NO_BRANCH,
32 INTEL_PT_BR_INDIRECT,
33 INTEL_PT_BR_CONDITIONAL,
34 INTEL_PT_BR_UNCONDITIONAL,
35};
36
37struct intel_pt_insn {
38 enum intel_pt_insn_op op;
39 enum intel_pt_insn_branch branch;
40 bool emulated_ptwrite;
41 int length;
42 int32_t rel;
43 unsigned char buf[INTEL_PT_INSN_BUF_SZ];
44};
45
46int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64,
47 struct intel_pt_insn *intel_pt_insn);
48
49const char *intel_pt_insn_name(enum intel_pt_insn_op op);
50
51int intel_pt_insn_desc(const struct intel_pt_insn *intel_pt_insn, char *buf,
52 size_t buf_len);
53
54int intel_pt_insn_type(enum intel_pt_insn_op op);
55
56#endif