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