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-rw-r--r--tools/perf/util/pmu.l41
1 files changed, 41 insertions, 0 deletions
diff --git a/tools/perf/util/pmu.l b/tools/perf/util/pmu.l
new file mode 100644
index 000000000..58b4926cf
--- /dev/null
+++ b/tools/perf/util/pmu.l
@@ -0,0 +1,41 @@
+%option prefix="perf_pmu_"
+
+%{
+#include <stdlib.h>
+#include <linux/bitops.h>
+#include "pmu.h"
+#include "pmu-bison.h"
+
+static int value(int base)
+{
+ long num;
+
+ errno = 0;
+ num = strtoul(perf_pmu_text, NULL, base);
+ if (errno)
+ return PP_ERROR;
+
+ perf_pmu_lval.num = num;
+ return PP_VALUE;
+}
+
+%}
+
+num_dec [0-9]+
+
+%%
+
+{num_dec} { return value(10); }
+config { return PP_CONFIG; }
+- { return '-'; }
+: { return ':'; }
+, { return ','; }
+. { ; }
+\n { ; }
+
+%%
+
+int perf_pmu_wrap(void)
+{
+ return 1;
+}