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
|
%define api.pure full
%parse-param {void *format}
%parse-param {void *scanner}
%lex-param {void* scanner}
%{
#include <linux/compiler.h>
#include <linux/list.h>
#include <linux/bitmap.h>
#include <string.h>
#include "pmu.h"
#include "pmu-bison.h"
int perf_pmu_lex(YYSTYPE * yylval_param , void *yyscanner);
#define ABORT_ON(val) \
do { \
if (val) \
YYABORT; \
} while (0)
static void perf_pmu_error(void *format, void *scanner, const char *msg);
static void perf_pmu__set_format(unsigned long *bits, long from, long to)
{
long b;
if (!to)
to = from;
memset(bits, 0, BITS_TO_BYTES(PERF_PMU_FORMAT_BITS));
for (b = from; b <= to; b++)
__set_bit(b, bits);
}
%}
%token PP_CONFIG
%token PP_VALUE PP_ERROR
%type <num> PP_VALUE
%type <bits> bit_term
%type <bits> bits
%union
{
unsigned long num;
DECLARE_BITMAP(bits, PERF_PMU_FORMAT_BITS);
}
%%
format:
format format_term
|
format_term
format_term:
PP_CONFIG ':' bits
{
perf_pmu_format__set_value(format, PERF_PMU_FORMAT_VALUE_CONFIG, $3);
}
|
PP_CONFIG PP_VALUE ':' bits
{
perf_pmu_format__set_value(format, $2, $4);
}
bits:
bits ',' bit_term
{
bitmap_or($$, $1, $3, 64);
}
|
bit_term
{
memcpy($$, $1, sizeof($1));
}
bit_term:
PP_VALUE '-' PP_VALUE
{
perf_pmu__set_format($$, $1, $3);
}
|
PP_VALUE
{
perf_pmu__set_format($$, $1, 0);
}
%%
static void perf_pmu_error(void *format __maybe_unused,
void *scanner __maybe_unused,
const char *msg __maybe_unused)
{
}
|
