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|
%define api.pure full
%parse-param {struct list_head *format}
%parse-param {char *name}
%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__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
{
ABORT_ON(perf_pmu__new_format(format, name,
PERF_PMU_FORMAT_VALUE_CONFIG,
$3));
}
|
PP_CONFIG PP_VALUE ':' bits
{
ABORT_ON(perf_pmu__new_format(format, name,
$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);
}
%%
void perf_pmu_error(struct list_head *list __maybe_unused,
char *name __maybe_unused,
void *scanner __maybe_unused,
char const *msg __maybe_unused)
{
}
|
