1
2
3
4
5
6
7 #ifndef INCLUDE__INTEL_PT_PKT_DECODER_H__
8 #define INCLUDE__INTEL_PT_PKT_DECODER_H__
9
10 #include <stddef.h>
11 #include <stdint.h>
12
13 #define INTEL_PT_PKT_DESC_MAX 256
14
15 #define INTEL_PT_NEED_MORE_BYTES -1
16 #define INTEL_PT_BAD_PACKET -2
17
18 #define INTEL_PT_PSB_STR "\002\202\002\202\002\202\002\202" \
19 "\002\202\002\202\002\202\002\202"
20 #define INTEL_PT_PSB_LEN 16
21
22 #define INTEL_PT_PKT_MAX_SZ 16
23
24 enum intel_pt_pkt_type {
25 INTEL_PT_BAD,
26 INTEL_PT_PAD,
27 INTEL_PT_TNT,
28 INTEL_PT_TIP_PGD,
29 INTEL_PT_TIP_PGE,
30 INTEL_PT_TSC,
31 INTEL_PT_TMA,
32 INTEL_PT_MODE_EXEC,
33 INTEL_PT_MODE_TSX,
34 INTEL_PT_MTC,
35 INTEL_PT_TIP,
36 INTEL_PT_FUP,
37 INTEL_PT_CYC,
38 INTEL_PT_VMCS,
39 INTEL_PT_PSB,
40 INTEL_PT_PSBEND,
41 INTEL_PT_CBR,
42 INTEL_PT_TRACESTOP,
43 INTEL_PT_PIP,
44 INTEL_PT_OVF,
45 INTEL_PT_MNT,
46 INTEL_PT_PTWRITE,
47 INTEL_PT_PTWRITE_IP,
48 INTEL_PT_EXSTOP,
49 INTEL_PT_EXSTOP_IP,
50 INTEL_PT_MWAIT,
51 INTEL_PT_PWRE,
52 INTEL_PT_PWRX,
53 INTEL_PT_BBP,
54 INTEL_PT_BIP,
55 INTEL_PT_BEP,
56 INTEL_PT_BEP_IP,
57 };
58
59 struct intel_pt_pkt {
60 enum intel_pt_pkt_type type;
61 int count;
62 uint64_t payload;
63 };
64
65
66
67
68
69
70 enum intel_pt_pkt_ctx {
71 INTEL_PT_NO_CTX,
72 INTEL_PT_BLK_4_CTX,
73 INTEL_PT_BLK_8_CTX,
74 };
75
76 const char *intel_pt_pkt_name(enum intel_pt_pkt_type);
77
78 int intel_pt_get_packet(const unsigned char *buf, size_t len,
79 struct intel_pt_pkt *packet,
80 enum intel_pt_pkt_ctx *ctx);
81
82 void intel_pt_upd_pkt_ctx(const struct intel_pt_pkt *packet,
83 enum intel_pt_pkt_ctx *ctx);
84
85 int intel_pt_pkt_desc(const struct intel_pt_pkt *packet, char *buf, size_t len);
86
87 #endif