mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
f0f4cd1003
YYDEBUG enables line numbers and other error helpers in the generated pmu-bison.c. Conditionally enabled only for debug builds. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Gaosheng Cui <cuigaosheng1@huawei.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rob Herring <robh@kernel.org> Cc: bpf@vger.kernel.org Link: https://lore.kernel.org/r/20230911170559.4037734-4-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
101 lines
1.5 KiB
Text
101 lines
1.5 KiB
Text
%define api.pure full
|
|
%parse-param {void *format}
|
|
%parse-param {void *scanner}
|
|
%lex-param {void* scanner}
|
|
|
|
%{
|
|
|
|
#ifndef NDEBUG
|
|
#define YYDEBUG 1
|
|
#endif
|
|
|
|
#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)
|
|
{
|
|
}
|