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Diffstat (limited to 'Source/JavaScriptCore/generate-bytecode-files')
| -rw-r--r-- | Source/JavaScriptCore/generate-bytecode-files | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/generate-bytecode-files b/Source/JavaScriptCore/generate-bytecode-files new file mode 100644 index 000000000..5b2fce8c8 --- /dev/null +++ b/Source/JavaScriptCore/generate-bytecode-files @@ -0,0 +1,220 @@ +#! /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 AND ITS CONTRIBUTORS "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 OR ITS 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. + +# This tool processes the bytecode list to create Bytecodes.h and InitBytecodes.asm + +import hashlib +import json +import optparse +import os +import re +import sys + +cCopyrightMsg = """/* +* 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 AND ITS CONTRIBUTORS "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 OR ITS 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. + +* Autogenerated from %s, do not modify. +*/ + +""" + +asmCopyrightMsg = """# 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 AND ITS CONTRIBUTORS "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 OR ITS 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. + +# Autogenerated from %s, do not modify. + +""" +def openOrExit(path, mode): + try: + return open(path, mode) + except IOError as e: + print "I/O error opening {0}, ({1}): {2}".format(path, e.errno, e.strerror) + exit(1) + +def hashFile(file): + sha1 = hashlib.sha1() + file.seek(0) + for line in file: + sha1.update(line) + + file.seek(0) + + return sha1.hexdigest() + +if __name__ == "__main__": + parser = optparse.OptionParser(usage = "usage: %prog [--bytecodes_h <FILE>] [--init_bytecodes_asm <FILE>] <bytecode-json-file>") + parser.add_option("-b", "--bytecodes_h", dest = "bytecodesHFileName", help = "generate bytecodes macro .h FILE", metavar = "FILE") + parser.add_option("-a", "--init_bytecodes_asm", dest = "initASMFileName", help="generate ASM bytecodes init FILE", metavar = "FILE") + (options, args) = parser.parse_args() + + if len(args) != 1: + parser.error("missing <bytecode-json-file>") + + bytecodeJSONFile = args[0] + bytecodeFile = openOrExit(bytecodeJSONFile, "rb") + sha1Hash = hashFile(bytecodeFile) + + hFileHashString = "// SHA1Hash: {0}\n".format(sha1Hash) + asmFileHashString = "# SHA1Hash: {0}\n".format(sha1Hash) + + bytecodeHFilename = options.bytecodesHFileName + initASMFileName = options.initASMFileName + + if not bytecodeHFilename and not initASMFileName: + parser.print_help() + exit(0) + + needToGenerate = False + + if bytecodeHFilename: + try: + bytecodeHReadFile = open(bytecodeHFilename, "rb") + + hashLine = bytecodeHReadFile.readline() + if hashLine != hFileHashString: + needToGenerate = True + except: + needToGenerate = True + else: + bytecodeHReadFile.close() + + if initASMFileName: + try: + initBytecodesReadFile = open(initASMFileName, "rb") + + hashLine = initBytecodesReadFile.readline() + if hashLine != asmFileHashString: + needToGenerate = True + except: + needToGenerate = True + else: + initBytecodesReadFile.close() + + if not needToGenerate: + exit(0) + + if bytecodeHFilename: + bytecodeHFile = openOrExit(bytecodeHFilename, "wb") + + if initASMFileName: + initBytecodesFile = openOrExit(initASMFileName, "wb") + + try: + bytecodeSections = json.load(bytecodeFile, encoding = "utf-8") + except: + print "Unexpected error parsing {0}: {1}".format(bytecodeJSONFile, sys.exc_info()) + + if bytecodeHFilename: + bytecodeHFile.write(hFileHashString) + bytecodeHFile.write(cCopyrightMsg % bytecodeJSONFile) + bytecodeHFile.write("#pragma once\n\n") + + if initASMFileName: + initBytecodesFile.write(asmFileHashString) + initBytecodesFile.write(asmCopyrightMsg % bytecodeJSONFile) + initASMBytecodeNum = 0 + + for section in bytecodeSections: + if bytecodeHFilename and section['emitInHFile']: + bytecodeHFile.write("#define FOR_EACH_{0}_ID(macro) \\\n".format(section["macroNameComponent"])) + firstMacro = True + defaultLength = 1 + if "defaultLength" in section: + defaultLength = section["defaultLength"] + + bytecodeNum = 0 + for bytecode in section["bytecodes"]: + if not firstMacro: + bytecodeHFile.write(" \\\n") + + length = defaultLength + if "length" in bytecode: + length = bytecode["length"] + + bytecodeHFile.write(" macro({0}, {1})".format(bytecode["name"], length)) + firstMacro = False + bytecodeNum = bytecodeNum + 1 + + bytecodeHFile.write("\n\n") + bytecodeHFile.write("#define NUMBER_OF_{0}_IDS {1}\n\n".format(section["macroNameComponent"], bytecodeNum)) + + if initASMFileName and section['emitInASMFile']: + prefix = "" + if "asmPrefix" in section: + prefix = section["asmPrefix"] + for bytecode in section["bytecodes"]: + initBytecodesFile.write("setEntryAddress({0}, _{1}{2})\n".format(initASMBytecodeNum, prefix, bytecode["name"])) + initASMBytecodeNum = initASMBytecodeNum + 1 + + if bytecodeHFilename: + bytecodeHFile.close() + + if initASMFileName: + initBytecodesFile.close() + + bytecodeFile.close() + + exit(0) |