Change the format of reduce_debugline.py.

tools/find_runtime_symbols/prepare_symbol_info.py

Index: tools/find_runtime_symbols/prepare_symbol_info.py
diff --git a/tools/find_runtime_symbols/prepare_symbol_info.py b/tools/find_runtime_symbols/prepare_symbol_info.py
index a7d6121ca3c9eca281d09130eefb117171625bd3..ad9941137bbdbb113f1923b4bfab982afc2b8387 100755
--- a/tools/find_runtime_symbols/prepare_symbol_info.py
+++ b/tools/find_runtime_symbols/prepare_symbol_info.py
@@ -149,11 +149,11 @@ def prepare_symbol_info(maps_path,
         output_dir_path, os.path.basename(entry.name), '.readelf-e')
     if not readelf_e_filename:
       continue
-    readelf_reduced_debugline_filename = None
+    readelf_debug_decodedline_file = None
     if use_source_file_name:
-      readelf_reduced_debugline_filename = _dump_command_result(
+      readelf_debug_decodedline_file = _dump_command_result(
           'readelf -wLW %s | %s' % (entry.name, REDUCE_DEBUGLINE_PATH),
-          output_dir_path, os.path.basename(entry.name), '.readelf-debugline')
+          output_dir_path, os.path.basename(entry.name), '.readelf-wL')
 
     files[entry.name] = {}
     files[entry.name]['nm'] = {
@@ -162,9 +162,9 @@ def prepare_symbol_info(maps_path,
         'mangled': False}
     files[entry.name]['readelf-e'] = {
         'file': os.path.basename(readelf_e_filename)}
-    if readelf_reduced_debugline_filename:
-      files[entry.name]['readelf-reduced-debugline'] = {
-          'file': os.path.basename(readelf_reduced_debugline_filename)}
+    if readelf_debug_decodedline_file:
+      files[entry.name]['readelf-debug-decodedline-file'] = {
+          'file': os.path.basename(readelf_debug_decodedline_file)}
 
   with open(os.path.join(output_dir_path, 'files.json'), 'w') as f:
     json.dump(files, f, indent=2, sort_keys=True)