1 /*
2 * intel_pt_log.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_LOG_H__
17 #define INCLUDE__INTEL_PT_LOG_H__
18
19 #include <stdint.h>
20 #include <inttypes.h>
21
22 struct intel_pt_pkt;
23
24 void intel_pt_log_enable(void);
25 void intel_pt_log_disable(void);
26 void intel_pt_log_set_name(const char *name);
27
28 void __intel_pt_log_packet(const struct intel_pt_pkt *packet, int pkt_len,
29 uint64_t pos, const unsigned char *buf);
30
31 struct intel_pt_insn;
32
33 void __intel_pt_log_insn(struct intel_pt_insn *intel_pt_insn, uint64_t ip);
34 void __intel_pt_log_insn_no_data(struct intel_pt_insn *intel_pt_insn,
35 uint64_t ip);
36
37 __attribute__((format(printf, 1, 2)))
38 void __intel_pt_log(const char *fmt, ...);
39
40 #define intel_pt_log(fmt, ...) \
41 do { \
42 if (intel_pt_enable_logging) \
43 __intel_pt_log(fmt, ##__VA_ARGS__); \
44 } while (0)
45
46 #define intel_pt_log_packet(arg, ...) \
47 do { \
48 if (intel_pt_enable_logging) \
49 __intel_pt_log_packet(arg, ##__VA_ARGS__); \
50 } while (0)
51
52 #define intel_pt_log_insn(arg, ...) \
53 do { \
54 if (intel_pt_enable_logging) \
55 __intel_pt_log_insn(arg, ##__VA_ARGS__); \
56 } while (0)
57
58 #define intel_pt_log_insn_no_data(arg, ...) \
59 do { \
60 if (intel_pt_enable_logging) \
61 __intel_pt_log_insn_no_data(arg, ##__VA_ARGS__); \
62 } while (0)
63
64 #define x64_fmt "0x%" PRIx64
65
66 extern bool intel_pt_enable_logging;
67
intel_pt_log_at(const char * msg,uint64_t u)68 static inline void intel_pt_log_at(const char *msg, uint64_t u)
69 {
70 intel_pt_log("%s at " x64_fmt "\n", msg, u);
71 }
72
intel_pt_log_to(const char * msg,uint64_t u)73 static inline void intel_pt_log_to(const char *msg, uint64_t u)
74 {
75 intel_pt_log("%s to " x64_fmt "\n", msg, u);
76 }
77
78 #endif
79