2 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/util/perf_regs.c b/tools/perf/util/perf_regs.c
index 43168fb0d9a2..885e8ac83997 100644
--- a/tools/perf/util/perf_regs.c
+++ b/tools/perf/util/perf_regs.c
@@ -2,6 +2,10 @@
 #include "perf_regs.h"
 #include "event.h"
 
+const struct sample_reg __weak sample_reg_masks[] = {
+	SMPL_REG_END
+};
+
 int perf_reg_value(u64 *valp, struct regs_dump *regs, int id)
 {
 	int i, idx = 0;
diff --git a/tools/perf/util/perf_regs.h b/tools/perf/util/perf_regs.h
index 92c1fff2153e..2984dcc54d67 100644
--- a/tools/perf/util/perf_regs.h
+++ b/tools/perf/util/perf_regs.h
@@ -9,6 +9,8 @@ struct sample_reg {
 	const char *name;
 	uint64_t mask;
 };
+#define SMPL_REG(n, b) { .name = #n, .mask = 1ULL << (b) }
+#define SMPL_REG_END { .name = NULL }
 
 extern const struct sample_reg sample_reg_masks[];