tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1%define api.pure full
2%parse-param {struct list_head *format}
3%parse-param {char *name}
4%parse-param {void *scanner}
5%lex-param {void* scanner}
6
7%{
8
9#include <linux/compiler.h>
10#include <linux/list.h>
11#include <linux/bitmap.h>
12#include <string.h>
13#include "pmu.h"
14
15#define ABORT_ON(val) \
16do { \
17 if (val) \
18 YYABORT; \
19} while (0)
20
21%}
22
23%token PP_CONFIG
24%token PP_VALUE PP_ERROR
25%type <num> PP_VALUE
26%type <bits> bit_term
27%type <bits> bits
28
29%union
30{
31 unsigned long num;
32 DECLARE_BITMAP(bits, PERF_PMU_FORMAT_BITS);
33}
34
35%%
36
37format:
38format format_term
39|
40format_term
41
42format_term:
43PP_CONFIG ':' bits
44{
45 ABORT_ON(perf_pmu__new_format(format, name,
46 PERF_PMU_FORMAT_VALUE_CONFIG,
47 $3));
48}
49|
50PP_CONFIG PP_VALUE ':' bits
51{
52 ABORT_ON(perf_pmu__new_format(format, name,
53 $2,
54 $4));
55}
56
57bits:
58bits ',' bit_term
59{
60 bitmap_or($$, $1, $3, 64);
61}
62|
63bit_term
64{
65 memcpy($$, $1, sizeof($1));
66}
67
68bit_term:
69PP_VALUE '-' PP_VALUE
70{
71 perf_pmu__set_format($$, $1, $3);
72}
73|
74PP_VALUE
75{
76 perf_pmu__set_format($$, $1, 0);
77}
78
79%%
80
81void perf_pmu_error(struct list_head *list __maybe_unused,
82 char *name __maybe_unused,
83 void *scanner __maybe_unused,
84 char const *msg __maybe_unused)
85{
86}