1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * intel_pt_log.h: Intel Processor Trace support
4 * Copyright (c) 2013-2014, Intel Corporation.
5 */
6
7#ifndef INCLUDE__INTEL_PT_LOG_H__
8#define INCLUDE__INTEL_PT_LOG_H__
9
10#include <linux/compiler.h>
11#include <stdint.h>
12#include <inttypes.h>
13
14struct intel_pt_pkt;
15
16void *intel_pt_log_fp(void);
17void intel_pt_log_enable(bool dump_log_on_error, unsigned int log_on_error_size);
18void intel_pt_log_disable(void);
19void intel_pt_log_set_name(const char *name);
20void intel_pt_log_dump_buf(void);
21
22void __intel_pt_log_packet(const struct intel_pt_pkt *packet, int pkt_len,
23			   uint64_t pos, const unsigned char *buf);
24
25struct intel_pt_insn;
26
27void __intel_pt_log_insn(struct intel_pt_insn *intel_pt_insn, uint64_t ip);
28void __intel_pt_log_insn_no_data(struct intel_pt_insn *intel_pt_insn,
29				 uint64_t ip);
30
31void __intel_pt_log(const char *fmt, ...) __printf(1, 2);
32
33#define intel_pt_log(fmt, ...) \
34	do { \
35		if (intel_pt_enable_logging) \
36			__intel_pt_log(fmt, ##__VA_ARGS__); \
37	} while (0)
38
39#define intel_pt_log_packet(arg, ...) \
40	do { \
41		if (intel_pt_enable_logging) \
42			__intel_pt_log_packet(arg, ##__VA_ARGS__); \
43	} while (0)
44
45#define intel_pt_log_insn(arg, ...) \
46	do { \
47		if (intel_pt_enable_logging) \
48			__intel_pt_log_insn(arg, ##__VA_ARGS__); \
49	} while (0)
50
51#define intel_pt_log_insn_no_data(arg, ...) \
52	do { \
53		if (intel_pt_enable_logging) \
54			__intel_pt_log_insn_no_data(arg, ##__VA_ARGS__); \
55	} while (0)
56
57#define x64_fmt "0x%" PRIx64
58
59extern bool intel_pt_enable_logging;
60
61static inline void intel_pt_log_at(const char *msg, uint64_t u)
62{
63	intel_pt_log("%s at " x64_fmt "\n", msg, u);
64}
65
66static inline void intel_pt_log_to(const char *msg, uint64_t u)
67{
68	intel_pt_log("%s to " x64_fmt "\n", msg, u);
69}
70
71#define intel_pt_log_var(var, fmt) intel_pt_log("%s: " #var " " fmt "\n", __func__, var)
72
73#define intel_pt_log_x32(var) intel_pt_log_var(var, "%#x")
74#define intel_pt_log_x64(var) intel_pt_log_var(var, "%#" PRIx64)
75
76#endif
77