From: Ian Rogers <irogers@google.com>
Date: Mon, 11 Sep 2023 17:05:59 +0000 (-0700)
Subject: perf bpf-filter: Add YYDEBUG
X-Git-Tag: block-6.7-2023-11-10~34^2~131
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=999b81b907ea92fa759e426591068244d9635496;p=linux-block.git

perf bpf-filter: Add YYDEBUG

YYDEBUG enables line numbers and other error helpers in the generated
bpf-filter-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/20230911170559.4037734-5-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---

diff --git a/tools/perf/util/bpf-filter.y b/tools/perf/util/bpf-filter.y
index 5dfa948fc986..0e4d6de3c2ad 100644
--- a/tools/perf/util/bpf-filter.y
+++ b/tools/perf/util/bpf-filter.y
@@ -3,6 +3,10 @@
 
 %{
 
+#ifndef NDEBUG
+#define YYDEBUG 1
+#endif
+
 #include <stdio.h>
 #include <string.h>
 #include <linux/compiler.h>