1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
%name-prefix "parse_events_"
%parse-param {struct list_head *list}
%parse-param {int *idx}
%{
#define YYDEBUG 1
#include <linux/compiler.h>
#include <linux/list.h>
#include "types.h"
#include "util.h"
#include "parse-events.h"
extern int parse_events_lex (void);
#define ABORT_ON(val) \
do { \
if (val) \
YYABORT; \
} while (0)
%}
%token PE_VALUE PE_VALUE_SYM PE_RAW
%token PE_NAME
%token PE_MODIFIER_EVENT PE_MODIFIER_BP
%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT
%token PE_PREFIX_MEM PE_PREFIX_RAW
%token PE_ERROR
%type <num> PE_VALUE
%type <num> PE_VALUE_SYM
%type <num> PE_RAW
%type <str> PE_NAME
%type <str> PE_NAME_CACHE_TYPE
%type <str> PE_NAME_CACHE_OP_RESULT
%type <str> PE_MODIFIER_EVENT
%type <str> PE_MODIFIER_BP
%union
{
char *str;
unsigned long num;
}
%%
events:
events ',' event | event
event:
event_def PE_MODIFIER_EVENT
{
ABORT_ON(parse_events_modifier(list, $2));
}
|
event_def
event_def: event_legacy_symbol sep_dc |
event_legacy_cache sep_dc |
event_legacy_mem |
event_legacy_tracepoint sep_dc |
event_legacy_numeric sep_dc |
event_legacy_raw sep_dc
event_legacy_symbol:
PE_VALUE_SYM
{
int type = $1 >> 16;
int config = $1 & 255;
ABORT_ON(parse_events_add_numeric(list, idx, type, config));
}
event_legacy_cache:
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT
{
ABORT_ON(parse_events_add_cache(list, idx, $1, $3, $5));
}
|
PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT
{
ABORT_ON(parse_events_add_cache(list, idx, $1, $3, NULL));
}
|
PE_NAME_CACHE_TYPE
{
ABORT_ON(parse_events_add_cache(list, idx, $1, NULL, NULL));
}
event_legacy_mem:
PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc
{
ABORT_ON(parse_events_add_breakpoint(list, idx, (void *) $2, $4));
}
|
PE_PREFIX_MEM PE_VALUE sep_dc
{
ABORT_ON(parse_events_add_breakpoint(list, idx, (void *) $2, NULL));
}
event_legacy_tracepoint:
PE_NAME ':' PE_NAME
{
ABORT_ON(parse_events_add_tracepoint(list, idx, $1, $3));
}
event_legacy_numeric:
PE_VALUE ':' PE_VALUE
{
ABORT_ON(parse_events_add_numeric(list, idx, $1, $3));
}
event_legacy_raw:
PE_RAW
{
ABORT_ON(parse_events_add_numeric(list, idx, PERF_TYPE_RAW, $1));
}
sep_dc: ':' |
%%
void parse_events_error(struct list_head *list __used, int *idx __used,
char const *msg __used)
{
}
|