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
14 struct intel_pt_pkt;
15
16 void *intel_pt_log_fp(void);
17 void intel_pt_log_enable(bool dump_log_on_error, unsigned int log_on_error_size);
18 void intel_pt_log_disable(void);
19 void intel_pt_log_set_name(const char *name);
20 void intel_pt_log_dump_buf(void);
21
22 void __intel_pt_log_packet(const struct intel_pt_pkt *packet, int pkt_len,
23 uint64_t pos, const unsigned char *buf);
24
25 struct intel_pt_insn;
26
27 void __intel_pt_log_insn(struct intel_pt_insn *intel_pt_insn, uint64_t ip);
28 void __intel_pt_log_insn_no_data(struct intel_pt_insn *intel_pt_insn,
29 uint64_t ip);
30
31 void __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
59 extern bool intel_pt_enable_logging;
60
61 static 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
66 static 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
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