JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / build-symbol-table-index.py

diff --git a/build-symbol-table-index.py b/build-symbol-table-index.py
index fe8469f24aa1461aff8f50e1faca069ada97378f..06ef0308a73d220957117fea879f0460f6ed7033 100755 (executable)
--- a/build-symbol-table-index.py
+++ b/build-symbol-table-index.py
@@ -1,9 +1,33 @@
 #!/usr/bin/python
 
+# Copyright (C) 2014 Apple Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 import glob
 import os
 import subprocess
 import sys
+from sets import Set
 from operator import itemgetter
 
 
@@ -14,14 +38,15 @@ print("Building Index Table")
 if current_arch not in ("x86_64", "arm64"):
     sys.exit()
 
-binary_file_directory = os.path.join(os.getenv("OBJECT_FILE_DIR_" + os.getenv("CURRENT_VARIANT")), current_arch)
+bitcode_file_original_directory = os.path.join(os.getenv("TARGET_TEMP_DIR"), "Objects-" + os.getenv("CURRENT_VARIANT"), current_arch)
 
-if not os.path.isdir(binary_file_directory):
-    print("Failed to build index table at " + binary_file_directory)
+if not os.path.isdir(bitcode_file_original_directory):
+    print("Failed to build index table at " + bitcode_file_original_directory)
     sys.exit()
 
 framework_directory = os.path.join(os.getenv("BUILT_PRODUCTS_DIR"), os.getenv("JAVASCRIPTCORE_RESOURCES_DIR"), "Runtime", current_arch)
 
+
 symbol_table_location = os.path.join(framework_directory, "Runtime.symtbl")
 
 symbol_table = {}
@@ -33,23 +58,36 @@ symbol_table_modification_time = 0
 if os.path.isfile(symbol_table_location):
     symbol_table_modification_time = os.path.getmtime(symbol_table_location)
 
-file_suffix = "bc.gz"
+file_suffix = "bc"
 file_suffix_length = len(file_suffix)
 
+tested_symbols_location = "./tested-symbols.symlst"
+include_symbol_table_location = os.path.join(os.getenv("SHARED_DERIVED_FILE_DIR"), "JavaScriptCore/InlineRuntimeSymbolTable.h")
+
+tested_symbols = Set([])
+
+if os.path.isfile(tested_symbols_location):
+    with open(tested_symbols_location, 'r') as file:
+        print("Loading tested symbols")
+        for line in file:
+            tested_symbols.add(line[:-1])
+
+print ("Original directory: " + bitcode_file_original_directory)
+
 for bitcode_file in glob.iglob(os.path.join(framework_directory, "*." + file_suffix)):
     bitcode_basename = os.path.basename(bitcode_file)
-    binary_file = os.path.join(binary_file_directory, bitcode_basename[:-file_suffix_length] + "o")
-    if os.path.getmtime(binary_file) < symbol_table_modification_time:
+    bitcode_file_original = os.path.join(bitcode_file_original_directory, bitcode_basename[:-file_suffix_length] + "o")
+    if os.path.getmtime(bitcode_file_original) < symbol_table_modification_time:
         continue
 
     symbol_table_is_out_of_date = True
 
     print("Appending symbols from " + bitcode_basename)
-    lines = subprocess.check_output(["nm", "-U", "-j", binary_file]).splitlines()
+    lines = subprocess.check_output(["nm", "-U", "-j", bitcode_file]).splitlines()
 
     for symbol in lines:
-        if symbol[:2] == "__" and symbol[-3:] != ".eh":
-            symbol_table[symbol] = bitcode_basename[1:]
+        if symbol[:2] == "__" and symbol[-3:] != ".eh" and symbol in tested_symbols:
+            symbol_table[symbol[1:]] = bitcode_basename
 
 if not symbol_table_is_out_of_date:
     sys.exit()
@@ -65,10 +103,14 @@ if os.path.isfile(symbol_table_location):
 
 symbol_list = symbol_table.items()
 
-print("Writing symbol table")
-
-with open(symbol_table_location, "w") as file:
-    for symbol, location in symbol_list:
-        file.write("{} {}\n".format(symbol, location))
+print("Writing symbol table: " + symbol_table_location)
+print("Writing inline file: " + include_symbol_table_location)
 
+with open(symbol_table_location, "w") as symbol_file:
+    with open(include_symbol_table_location, "w") as include_file:
+        include_file.write("#define FOR_EACH_LIBRARY_SYMBOL(macro)")
+        for symbol, location in symbol_list:
+            symbol_file.write("{} {}\n".format(symbol, location))
+            include_file.write(" \\\nmacro(\"{}\", \"{}\")".format(symbol, location))
+        include_file.write("\n")
 print("Done")