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(void);
18 void intel_pt_log_disable(void);
19 void intel_pt_log_set_name(const char *name);
20
21 void __intel_pt_log_packet(const struct intel_pt_pkt *packet, int pkt_len,
22 uint64_t pos, const unsigned char *buf);
23
24 struct intel_pt_insn;
25
26 void __intel_pt_log_insn(struct intel_pt_insn *intel_pt_insn, uint64_t ip);
27 void __intel_pt_log_insn_no_data(struct intel_pt_insn *intel_pt_insn,
28 uint64_t ip);
29
30 void __intel_pt_log(const char *fmt, ...) __printf(1, 2);
31
32 #define intel_pt_log(fmt, ...) \
33 do { \
34 if (intel_pt_enable_logging) \
35 __intel_pt_log(fmt, ##__VA_ARGS__); \
36 } while (0)
37
38 #define intel_pt_log_packet(arg, ...) \
39 do { \
40 if (intel_pt_enable_logging) \
41 __intel_pt_log_packet(arg, ##__VA_ARGS__); \
42 } while (0)
43
44 #define intel_pt_log_insn(arg, ...) \
45 do { \
46 if (intel_pt_enable_logging) \
47 __intel_pt_log_insn(arg, ##__VA_ARGS__); \
48 } while (0)
49
50 #define intel_pt_log_insn_no_data(arg, ...) \
51 do { \
52 if (intel_pt_enable_logging) \
53 __intel_pt_log_insn_no_data(arg, ##__VA_ARGS__); \
54 } while (0)
55
56 #define x64_fmt "0x%" PRIx64
57
58 extern bool intel_pt_enable_logging;
59
intel_pt_log_at(const char * msg,uint64_t u)60 static inline void intel_pt_log_at(const char *msg, uint64_t u)
61 {
62 intel_pt_log("%s at " x64_fmt "\n", msg, u);
63 }
64
intel_pt_log_to(const char * msg,uint64_t u)65 static inline void intel_pt_log_to(const char *msg, uint64_t u)
66 {
67 intel_pt_log("%s to " x64_fmt "\n", msg, u);
68 }
69
70 #define intel_pt_log_var(var, fmt) intel_pt_log("%s: " #var " " fmt "\n", __func__, var)
71
72 #define intel_pt_log_x32(var) intel_pt_log_var(var, "%#x")
73 #define intel_pt_log_x64(var) intel_pt_log_var(var, "%#" PRIx64)
74
75 #endif
76