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Linux kernel mirror (for testing)
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linux
1/*
2 * intel_pt_insn_decoder.h: Intel Processor Trace support
3 * Copyright (c) 2013-2014, Intel Corporation.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 */
15
16#ifndef INCLUDE__INTEL_PT_INSN_DECODER_H__
17#define INCLUDE__INTEL_PT_INSN_DECODER_H__
18
19#include <stddef.h>
20#include <stdint.h>
21
22#define INTEL_PT_INSN_DESC_MAX 32
23#define INTEL_PT_INSN_DBG_BUF_SZ 16
24
25enum intel_pt_insn_op {
26 INTEL_PT_OP_OTHER,
27 INTEL_PT_OP_CALL,
28 INTEL_PT_OP_RET,
29 INTEL_PT_OP_JCC,
30 INTEL_PT_OP_JMP,
31 INTEL_PT_OP_LOOP,
32 INTEL_PT_OP_IRET,
33 INTEL_PT_OP_INT,
34 INTEL_PT_OP_SYSCALL,
35 INTEL_PT_OP_SYSRET,
36};
37
38enum intel_pt_insn_branch {
39 INTEL_PT_BR_NO_BRANCH,
40 INTEL_PT_BR_INDIRECT,
41 INTEL_PT_BR_CONDITIONAL,
42 INTEL_PT_BR_UNCONDITIONAL,
43};
44
45struct intel_pt_insn {
46 enum intel_pt_insn_op op;
47 enum intel_pt_insn_branch branch;
48 int length;
49 int32_t rel;
50 unsigned char buf[INTEL_PT_INSN_DBG_BUF_SZ];
51};
52
53int intel_pt_get_insn(const unsigned char *buf, size_t len, int x86_64,
54 struct intel_pt_insn *intel_pt_insn);
55
56const char *intel_pt_insn_name(enum intel_pt_insn_op op);
57
58int intel_pt_insn_desc(const struct intel_pt_insn *intel_pt_insn, char *buf,
59 size_t buf_len);
60
61size_t intel_pt_insn_max_size(void);
62
63int intel_pt_insn_type(enum intel_pt_insn_op op);
64
65#endif