1 files changed, 48 insertions, 0 deletions
diff --git a/dtc/tests/asm_tree_dump.c b/dtc/tests/asm_tree_dump.c
new file mode 100644
index 000000000..8236172d9
--- /dev/null
+++ b/dtc/tests/asm_tree_dump.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+/*
+ * libfdt - Flat Device Tree manipulation
+ *	Tests if an asm tree built into a shared object matches a given dtb
+ * Copyright (C) 2008 David Gibson, IBM Corporation.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <errno.h>
+
+#include <dlfcn.h>
+
+#include <libfdt.h>
+
+#include "tests.h"
+#include "testdata.h"
+
+int main(int argc, char *argv[])
+{
+	void *sohandle;
+	void *fdt;
+	int err;
+
+	test_init(argc, argv);
+	if (argc != 3)
+		CONFIG("Usage: %s <so file> <dtb file>", argv[0]);
+
+	sohandle = dlopen(argv[1], RTLD_NOW);
+	if (!sohandle)
+		FAIL("Couldn't dlopen() %s", argv[1]);
+
+	fdt = dlsym(sohandle, "dt_blob_start");
+	if (!fdt)
+		FAIL("Couldn't locate \"dt_blob_start\" symbol in %s",
+		     argv[1]);
+
+	err = fdt_check_header(fdt);
+	if (err != 0)
+		FAIL("%s contains invalid tree: %s", argv[1],
+		     fdt_strerror(err));
+
+	save_blob(argv[2], fdt);
+
+	PASS();
+}