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