[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/tools/perf/util/unwind-libdw.h b/src/kernel/linux/v4.19/tools/perf/util/unwind-libdw.h
new file mode 100644
index 0000000..0cbd265
--- /dev/null
+++ b/src/kernel/linux/v4.19/tools/perf/util/unwind-libdw.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_UNWIND_LIBDW_H
+#define __PERF_UNWIND_LIBDW_H
+
+#include <elfutils/libdwfl.h>
+#include "unwind.h"
+
+struct machine;
+struct perf_sample;
+struct thread;
+
+bool libdw__arch_set_initial_registers(Dwfl_Thread *thread, void *arg);
+
+struct unwind_info {
+ Dwfl *dwfl;
+ struct perf_sample *sample;
+ struct machine *machine;
+ struct thread *thread;
+ unwind_entry_cb_t cb;
+ void *arg;
+ int max_stack;
+ int idx;
+ struct unwind_entry entries[];
+};
+
+#endif /* __PERF_UNWIND_LIBDW_H */