7 from operator import itemgetter
10 current_arch = sys.argv[1]
12 print("Building Index Table")
14 if current_arch not in ("x86_64", "arm64"):
17 binary_file_directory = os.path.join(os.getenv("OBJECT_FILE_DIR_" + os.getenv("CURRENT_VARIANT")), current_arch)
19 if not os.path.isdir(binary_file_directory):
20 print("Failed to build index table at " + binary_file_directory)
23 framework_directory = os.path.join(os.getenv("BUILT_PRODUCTS_DIR"), os.getenv("JAVASCRIPTCORE_RESOURCES_DIR"), "Runtime", current_arch)
25 symbol_table_location = os.path.join(framework_directory, "Runtime.symtbl")
29 symbol_table_is_out_of_date = False
31 symbol_table_modification_time = 0
33 if os.path.isfile(symbol_table_location):
34 symbol_table_modification_time = os.path.getmtime(symbol_table_location)
37 file_suffix_length = len(file_suffix)
39 for bitcode_file in glob.iglob(os.path.join(framework_directory, "*." + file_suffix)):
40 bitcode_basename = os.path.basename(bitcode_file)
41 binary_file = os.path.join(binary_file_directory, bitcode_basename[:-file_suffix_length] + "o")
42 if os.path.getmtime(binary_file) < symbol_table_modification_time:
45 symbol_table_is_out_of_date = True
47 print("Appending symbols from " + bitcode_basename)
48 lines = subprocess.check_output(["nm", "-U", "-j", binary_file]).splitlines()
51 if symbol[:2] == "__" and symbol[-3:] != ".eh":
52 symbol_table[symbol] = bitcode_basename[1:]
54 if not symbol_table_is_out_of_date:
57 if os.path.isfile(symbol_table_location):
58 with open(symbol_table_location, 'r') as file:
59 print("Loading symbol table")
61 symbol, _, location = line[:-1].partition(" ")
62 # don't overwrite new symbols with old locations
63 if not symbol in symbol_table:
64 symbol_table[symbol] = location
66 symbol_list = symbol_table.items()
68 print("Writing symbol table")
70 with open(symbol_table_location, "w") as file:
71 for symbol, location in symbol_list:
72 file.write("{} {}\n".format(symbol, location))