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-rw-r--r--tools/testing/selftests/bpf/trace_helpers.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/trace_helpers.h b/tools/testing/selftests/bpf/trace_helpers.h
index 53efde0e2998..876f3e711df6 100644
--- a/tools/testing/selftests/bpf/trace_helpers.h
+++ b/tools/testing/selftests/bpf/trace_helpers.h
@@ -4,6 +4,9 @@
#include <bpf/libbpf.h>
+#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask))
+#define ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a)-1)
+
struct ksym {
long addr;
char *name;
@@ -23,4 +26,6 @@ void read_trace_pipe(void);
ssize_t get_uprobe_offset(const void *addr);
ssize_t get_rel_offset(uintptr_t addr);
+int read_build_id(const char *path, char *build_id, size_t size);
+
#endif