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Diffstat (limited to 'tools/testing/selftests/bpf/progs/bpf_test_utils.h')
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_test_utils.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/bpf_test_utils.h b/tools/testing/selftests/bpf/progs/bpf_test_utils.h
new file mode 100644
index 000000000000..f4e67b492dd2
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/bpf_test_utils.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __BPF_TEST_UTILS_H__
+#define __BPF_TEST_UTILS_H__
+
+#include <bpf/bpf_helpers.h>
+#include "bpf_misc.h"
+
+/* Clobber as many native registers and stack slots as possible. */
+static __always_inline void clobber_regs_stack(void)
+{
+ char tmp_str[] = "123456789";
+ unsigned long tmp;
+
+ bpf_strtoul(tmp_str, sizeof(tmp_str), 0, &tmp);
+ __sink(tmp);
+}
+
+#endif