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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /tools/perf/util/pmu.y | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/pmu.y')
-rw-r--r-- | tools/perf/util/pmu.y | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/tools/perf/util/pmu.y b/tools/perf/util/pmu.y new file mode 100644 index 0000000000..600c8c158c --- /dev/null +++ b/tools/perf/util/pmu.y @@ -0,0 +1,97 @@ +%define api.pure full +%parse-param {void *format} +%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_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) +{ +} |