BaseTools/Source/Python/Trim/Trim.py

   1 ## @file
   2 # Trim files preprocessed by compiler
   3 #
   4 # Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
   5 # This program and the accompanying materials
   6 # are licensed and made available under the terms and conditions of the BSD License
   7 # which accompanies this distribution.  The full text of the license may be found at
   8 # http://opensource.org/licenses/bsd-license.php
   9 #
  10 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 #
  13
  14 ##
  15 # Import Modules
  16 #
  17 import Common.LongFilePathOs as os
  18 import sys
  19 import re
  20 from io import BytesIO
  21 import codecs
  22 from optparse import OptionParser
  23 from optparse import make_option
  24 from Common.BuildToolError import *
  25 from Common.Misc import *
  26 from Common.DataType import *
  27 from Common.BuildVersion import gBUILD_VERSION
  28 import Common.EdkLogger as EdkLogger
  29 from Common.LongFilePathSupport import OpenLongFilePath as open
  30
  31 # Version and Copyright
  32 __version_number__ = ("0.10" + " " + gBUILD_VERSION)
  33 __version__ = "%prog Version " + __version_number__
  34 __copyright__ = "Copyright (c) 2007-2018, Intel Corporation. All rights reserved."
  35
  36 ## Regular expression for matching Line Control directive like "#line xxx"
  37 gLineControlDirective = re.compile('^\s*#(?:line)?\s+([0-9]+)\s+"*([^"]*)"')
  38 ## Regular expression for matching "typedef struct"
  39 gTypedefPattern = re.compile("^\s*typedef\s+struct(\s+\w+)?\s*[{]*$", re.MULTILINE)
  40 ## Regular expression for matching "#pragma pack"
  41 gPragmaPattern = re.compile("^\s*#pragma\s+pack", re.MULTILINE)
  42 ## Regular expression for matching "typedef"
  43 gTypedef_SinglePattern = re.compile("^\s*typedef", re.MULTILINE)
  44 ## Regular expression for matching "typedef struct, typedef union, struct, union"
  45 gTypedef_MulPattern = re.compile("^\s*(typedef)?\s+(struct|union)(\s+\w+)?\s*[{]*$", re.MULTILINE)
  46
  47 #
  48 # The following number pattern match will only match if following criteria is met:
  49 # There is leading non-(alphanumeric or _) character, and no following alphanumeric or _
  50 # as the pattern is greedily match, so it is ok for the gDecNumberPattern or gHexNumberPattern to grab the maximum match
  51 #
  52 ## Regular expression for matching HEX number
  53 gHexNumberPattern = re.compile("(?<=[^a-zA-Z0-9_])(0[xX])([0-9a-fA-F]+)(U(?=$|[^a-zA-Z0-9_]))?")
  54 ## Regular expression for matching decimal number with 'U' postfix
  55 gDecNumberPattern = re.compile("(?<=[^a-zA-Z0-9_])([0-9]+)U(?=$|[^a-zA-Z0-9_])")
  56 ## Regular expression for matching constant with 'ULL' 'LL' postfix
  57 gLongNumberPattern = re.compile("(?<=[^a-zA-Z0-9_])(0[xX][0-9a-fA-F]+|[0-9]+)U?LL(?=$|[^a-zA-Z0-9_])")
  58
  59 ## Regular expression for matching "Include ()" in asl file
  60 gAslIncludePattern = re.compile("^(\s*)[iI]nclude\s*\(\"?([^\"\(\)]+)\"\)", re.MULTILINE)
  61 ## Regular expression for matching C style #include "XXX.asl" in asl file
  62 gAslCIncludePattern = re.compile(r'^(\s*)#include\s*[<"]\s*([-\\/\w.]+)\s*([>"])', re.MULTILINE)
  63 ## Patterns used to convert EDK conventions to EDK2 ECP conventions
  64
  65 ## file cache to avoid circular include in ASL file
  66 gIncludedAslFile = []
  67
  68 ## Trim preprocessed source code
  69 #
  70 # Remove extra content made by preprocessor. The preprocessor must enable the
  71 # line number generation option when preprocessing.
  72 #
  73 # @param  Source    File to be trimmed
  74 # @param  Target    File to store the trimmed content
  75 # @param  Convert   If True, convert standard HEX format to MASM format
  76 #
  77 def TrimPreprocessedFile(Source, Target, ConvertHex, TrimLong):
  78     CreateDirectory(os.path.dirname(Target))
  79     try:
  80         with open(Source, "r") as File:
  81             Lines = File.readlines()
  82     except:
  83         EdkLogger.error("Trim", FILE_OPEN_FAILURE, ExtraData=Source)
  84
  85     PreprocessedFile = ""
  86     InjectedFile = ""
  87     LineIndexOfOriginalFile = None
  88     NewLines = []
  89     LineControlDirectiveFound = False
  90     for Index in range(len(Lines)):
  91         Line = Lines[Index]
  92         #
  93         # Find out the name of files injected by preprocessor from the lines
  94         # with Line Control directive
  95         #
  96         MatchList = gLineControlDirective.findall(Line)
  97         if MatchList != []:
  98             MatchList = MatchList[0]
  99             if len(MatchList) == 2:
 100                 LineNumber = int(MatchList[0], 0)
 101                 InjectedFile = MatchList[1]
 102                 InjectedFile = os.path.normpath(InjectedFile)
 103                 InjectedFile = os.path.normcase(InjectedFile)
 104                 # The first injected file must be the preprocessed file itself
 105                 if PreprocessedFile == "":
 106                     PreprocessedFile = InjectedFile
 107             LineControlDirectiveFound = True
 108             continue
 109         elif PreprocessedFile == "" or InjectedFile != PreprocessedFile:
 110             continue
 111
 112         if LineIndexOfOriginalFile is None:
 113             #
 114             # Any non-empty lines must be from original preprocessed file.
 115             # And this must be the first one.
 116             #
 117             LineIndexOfOriginalFile = Index
 118             EdkLogger.verbose("Found original file content starting from line %d"
 119                               % (LineIndexOfOriginalFile + 1))
 120
 121         if TrimLong:
 122             Line = gLongNumberPattern.sub(r"\1", Line)
 123         # convert HEX number format if indicated
 124         if ConvertHex:
 125             Line = gHexNumberPattern.sub(r"0\2h", Line)
 126         else:
 127             Line = gHexNumberPattern.sub(r"\1\2", Line)
 128
 129         # convert Decimal number format
 130         Line = gDecNumberPattern.sub(r"\1", Line)
 131
 132         if LineNumber is not None:
 133             EdkLogger.verbose("Got line directive: line=%d" % LineNumber)
 134             # in case preprocessor removed some lines, like blank or comment lines
 135             if LineNumber <= len(NewLines):
 136                 # possible?
 137                 NewLines[LineNumber - 1] = Line
 138             else:
 139                 if LineNumber > (len(NewLines) + 1):
 140                     for LineIndex in range(len(NewLines), LineNumber-1):
 141                         NewLines.append(TAB_LINE_BREAK)
 142                 NewLines.append(Line)
 143             LineNumber = None
 144             EdkLogger.verbose("Now we have lines: %d" % len(NewLines))
 145         else:
 146             NewLines.append(Line)
 147
 148     # in case there's no line directive or linemarker found
 149     if (not LineControlDirectiveFound) and NewLines == []:
 150         MulPatternFlag = False
 151         SinglePatternFlag = False
 152         Brace = 0
 153         for Index in range(len(Lines)):
 154             Line = Lines[Index]
 155             if MulPatternFlag == False and gTypedef_MulPattern.search(Line) is None:
 156                 if SinglePatternFlag == False and gTypedef_SinglePattern.search(Line) is None:
 157                     # remove "#pragram pack" directive
 158                     if gPragmaPattern.search(Line) is None:
 159                         NewLines.append(Line)
 160                     continue
 161                 elif SinglePatternFlag == False:
 162                     SinglePatternFlag = True
 163                 if Line.find(";") >= 0:
 164                     SinglePatternFlag = False
 165             elif MulPatternFlag == False:
 166                 # found "typedef struct, typedef union, union, struct", keep its position and set a flag
 167                 MulPatternFlag = True
 168
 169             # match { and } to find the end of typedef definition
 170             if Line.find("{") >= 0:
 171                 Brace += 1
 172             elif Line.find("}") >= 0:
 173                 Brace -= 1
 174
 175             # "typedef struct, typedef union, union, struct" must end with a ";"
 176             if Brace == 0 and Line.find(";") >= 0:
 177                 MulPatternFlag = False
 178
 179     # save to file
 180     try:
 181         with open(Target, 'w') as File:
 182             File.writelines(NewLines)
 183     except:
 184         EdkLogger.error("Trim", FILE_OPEN_FAILURE, ExtraData=Target)
 185
 186 ## Trim preprocessed VFR file
 187 #
 188 # Remove extra content made by preprocessor. The preprocessor doesn't need to
 189 # enable line number generation option when preprocessing.
 190 #
 191 # @param  Source    File to be trimmed
 192 # @param  Target    File to store the trimmed content
 193 #
 194 def TrimPreprocessedVfr(Source, Target):
 195     CreateDirectory(os.path.dirname(Target))
 196
 197     try:
 198         with open(Source, "r") as File:
 199             Lines = File.readlines()
 200     except:
 201         EdkLogger.error("Trim", FILE_OPEN_FAILURE, ExtraData=Source)
 202     # read whole file
 203
 204     FoundTypedef = False
 205     Brace = 0
 206     TypedefStart = 0
 207     TypedefEnd = 0
 208     for Index in range(len(Lines)):
 209         Line = Lines[Index]
 210         # don't trim the lines from "formset" definition to the end of file
 211         if Line.strip() == 'formset':
 212             break
 213
 214         if FoundTypedef == False and (Line.find('#line') == 0 or Line.find('# ') == 0):
 215             # empty the line number directive if it's not aomong "typedef struct"
 216             Lines[Index] = "\n"
 217             continue
 218
 219         if FoundTypedef == False and gTypedefPattern.search(Line) is None:
 220             # keep "#pragram pack" directive
 221             if gPragmaPattern.search(Line) is None:
 222                 Lines[Index] = "\n"
 223             continue
 224         elif FoundTypedef == False:
 225             # found "typedef struct", keept its position and set a flag
 226             FoundTypedef = True
 227             TypedefStart = Index
 228
 229         # match { and } to find the end of typedef definition
 230         if Line.find("{") >= 0:
 231             Brace += 1
 232         elif Line.find("}") >= 0:
 233             Brace -= 1
 234
 235         # "typedef struct" must end with a ";"
 236         if Brace == 0 and Line.find(";") >= 0:
 237             FoundTypedef = False
 238             TypedefEnd = Index
 239             # keep all "typedef struct" except to GUID, EFI_PLABEL and PAL_CALL_RETURN
 240             if Line.strip("} ;\r\n") in [TAB_GUID, "EFI_PLABEL", "PAL_CALL_RETURN"]:
 241                 for i in range(TypedefStart, TypedefEnd+1):
 242                     Lines[i] = "\n"
 243
 244     # save all lines trimmed
 245     try:
 246         with open(Target, 'w') as File:
 247             File.writelines(Lines)
 248     except:
 249         EdkLogger.error("Trim", FILE_OPEN_FAILURE, ExtraData=Target)
 250
 251 ## Read the content  ASL file, including ASL included, recursively
 252 #
 253 # @param  Source            File to be read
 254 # @param  Indent            Spaces before the Include() statement
 255 # @param  IncludePathList   The list of external include file
 256 # @param  LocalSearchPath   If LocalSearchPath is specified, this path will be searched
 257 #                           first for the included file; otherwise, only the path specified
 258 #                           in the IncludePathList will be searched.
 259 #
 260 def DoInclude(Source, Indent='', IncludePathList=[], LocalSearchPath=None):
 261     NewFileContent = []
 262
 263     try:
 264         #
 265         # Search LocalSearchPath first if it is specified.
 266         #
 267         if LocalSearchPath:
 268             SearchPathList = [LocalSearchPath] + IncludePathList
 269         else:
 270             SearchPathList = IncludePathList
 271
 272         for IncludePath in SearchPathList:
 273             IncludeFile = os.path.join(IncludePath, Source)
 274             if os.path.isfile(IncludeFile):
 275                 try:
 276                     with open(IncludeFile, "r") as File:
 277                         F = File.readlines()
 278                 except:
 279                     with codecs.open(IncludeFile, "r", encoding='utf-8') as File:
 280                         F = File.readlines()
 281                 break
 282         else:
 283             EdkLogger.error("Trim", "Failed to find include file %s" % Source)
 284     except:
 285         EdkLogger.error("Trim", FILE_OPEN_FAILURE, ExtraData=Source)
 286
 287
 288     # avoid A "include" B and B "include" A
 289     IncludeFile = os.path.abspath(os.path.normpath(IncludeFile))
 290     if IncludeFile in gIncludedAslFile:
 291         EdkLogger.warn("Trim", "Circular include",
 292                        ExtraData= "%s -> %s" % (" -> ".join(gIncludedAslFile), IncludeFile))
 293         return []
 294     gIncludedAslFile.append(IncludeFile)
 295
 296     for Line in F:
 297         LocalSearchPath = None
 298         Result = gAslIncludePattern.findall(Line)
 299         if len(Result) == 0:
 300             Result = gAslCIncludePattern.findall(Line)
 301             if len(Result) == 0 or os.path.splitext(Result[0][1])[1].lower() not in [".asl", ".asi"]:
 302                 NewFileContent.append("%s%s" % (Indent, Line))
 303                 continue
 304             #
 305             # We should first search the local directory if current file are using pattern #include "XXX"
 306             #
 307             if Result[0][2] == '"':
 308                 LocalSearchPath = os.path.dirname(IncludeFile)
 309         CurrentIndent = Indent + Result[0][0]
 310         IncludedFile = Result[0][1]
 311         NewFileContent.extend(DoInclude(IncludedFile, CurrentIndent, IncludePathList, LocalSearchPath))
 312         NewFileContent.append("\n")
 313
 314     gIncludedAslFile.pop()
 315
 316     return NewFileContent
 317
 318
 319 ## Trim ASL file
 320 #
 321 # Replace ASL include statement with the content the included file
 322 #
 323 # @param  Source          File to be trimmed
 324 # @param  Target          File to store the trimmed content
 325 # @param  IncludePathFile The file to log the external include path
 326 #
 327 def TrimAslFile(Source, Target, IncludePathFile):
 328     CreateDirectory(os.path.dirname(Target))
 329
 330     SourceDir = os.path.dirname(Source)
 331     if SourceDir == '':
 332         SourceDir = '.'
 333
 334     #
 335     # Add source directory as the first search directory
 336     #
 337     IncludePathList = [SourceDir]
 338
 339     #
 340     # If additional include path file is specified, append them all
 341     # to the search directory list.
 342     #
 343     if IncludePathFile:
 344         try:
 345             LineNum = 0
 346             with open(IncludePathFile, 'r') as File:
 347                 FileLines = File.readlines()
 348             for Line in FileLines:
 349                 LineNum += 1
 350                 if Line.startswith("/I") or Line.startswith ("-I"):
 351                     IncludePathList.append(Line[2:].strip())
 352                 else:
 353                     EdkLogger.warn("Trim", "Invalid include line in include list file.", IncludePathFile, LineNum)
 354         except:
 355             EdkLogger.error("Trim", FILE_OPEN_FAILURE, ExtraData=IncludePathFile)
 356
 357     Lines = DoInclude(Source, '', IncludePathList)
 358
 359     #
 360     # Undef MIN and MAX to avoid collision in ASL source code
 361     #
 362     Lines.insert(0, "#undef MIN\n#undef MAX\n")
 363
 364     # save all lines trimmed
 365     try:
 366         with open(Target, 'w') as File:
 367             File.writelines(Lines)
 368     except:
 369         EdkLogger.error("Trim", FILE_OPEN_FAILURE, ExtraData=Target)
 370
 371 def GenerateVfrBinSec(ModuleName, DebugDir, OutputFile):
 372     VfrNameList = []
 373     if os.path.isdir(DebugDir):
 374         for CurrentDir, Dirs, Files in os.walk(DebugDir):
 375             for FileName in Files:
 376                 Name, Ext = os.path.splitext(FileName)
 377                 if Ext == '.c' and Name != 'AutoGen':
 378                     VfrNameList.append (Name + 'Bin')
 379
 380     VfrNameList.append (ModuleName + 'Strings')
 381
 382     EfiFileName = os.path.join(DebugDir, ModuleName + '.efi')
 383     MapFileName = os.path.join(DebugDir, ModuleName + '.map')
 384     VfrUniOffsetList = GetVariableOffset(MapFileName, EfiFileName, VfrNameList)
 385
 386     if not VfrUniOffsetList:
 387         return
 388
 389     try:
 390         fInputfile = open(OutputFile, "wb+")
 391     except:
 392         EdkLogger.error("Trim", FILE_OPEN_FAILURE, "File open failed for %s" %OutputFile, None)
 393
 394     # Use a instance of BytesIO to cache data
 395     fStringIO = BytesIO()
 396
 397     for Item in VfrUniOffsetList:
 398         if (Item[0].find("Strings") != -1):
 399             #
 400             # UNI offset in image.
 401             # GUID + Offset
 402             # { 0x8913c5e0, 0x33f6, 0x4d86, { 0x9b, 0xf1, 0x43, 0xef, 0x89, 0xfc, 0x6, 0x66 } }
 403             #
 404             UniGuid = b'\xe0\xc5\x13\x89\xf63\x86M\x9b\xf1C\xef\x89\xfc\x06f'
 405             fStringIO.write(UniGuid)
 406             UniValue = pack ('Q', int (Item[1], 16))
 407             fStringIO.write (UniValue)
 408         else:
 409             #
 410             # VFR binary offset in image.
 411             # GUID + Offset
 412             # { 0xd0bc7cb4, 0x6a47, 0x495f, { 0xaa, 0x11, 0x71, 0x7, 0x46, 0xda, 0x6, 0xa2 } };
 413             #
 414             VfrGuid = b'\xb4|\xbc\xd0Gj_I\xaa\x11q\x07F\xda\x06\xa2'
 415             fStringIO.write(VfrGuid)
 416             type (Item[1])
 417             VfrValue = pack ('Q', int (Item[1], 16))
 418             fStringIO.write (VfrValue)
 419
 420     #
 421     # write data into file.
 422     #
 423     try :
 424         fInputfile.write (fStringIO.getvalue())
 425     except:
 426         EdkLogger.error("Trim", FILE_WRITE_FAILURE, "Write data to file %s failed, please check whether the file been locked or using by other applications." %OutputFile, None)
 427
 428     fStringIO.close ()
 429     fInputfile.close ()
 430
 431
 432 ## Parse command line options
 433 #
 434 # Using standard Python module optparse to parse command line option of this tool.
 435 #
 436 # @retval Options   A optparse.Values object containing the parsed options
 437 # @retval InputFile Path of file to be trimmed
 438 #
 439 def Options():
 440     OptionList = [
 441         make_option("-s", "--source-code", dest="FileType", const="SourceCode", action="store_const",
 442                           help="The input file is preprocessed source code, including C or assembly code"),
 443         make_option("-r", "--vfr-file", dest="FileType", const="Vfr", action="store_const",
 444                           help="The input file is preprocessed VFR file"),
 445         make_option("--Vfr-Uni-Offset", dest="FileType", const="VfrOffsetBin", action="store_const",
 446                           help="The input file is EFI image"),
 447         make_option("-a", "--asl-file", dest="FileType", const="Asl", action="store_const",
 448                           help="The input file is ASL file"),
 449         make_option("-c", "--convert-hex", dest="ConvertHex", action="store_true",
 450                           help="Convert standard hex format (0xabcd) to MASM format (abcdh)"),
 451
 452         make_option("-l", "--trim-long", dest="TrimLong", action="store_true",
 453                           help="Remove postfix of long number"),
 454         make_option("-i", "--include-path-file", dest="IncludePathFile",
 455                           help="The input file is include path list to search for ASL include file"),
 456         make_option("-o", "--output", dest="OutputFile",
 457                           help="File to store the trimmed content"),
 458         make_option("--ModuleName", dest="ModuleName", help="The module's BASE_NAME"),
 459         make_option("--DebugDir", dest="DebugDir",
 460                           help="Debug Output directory to store the output files"),
 461         make_option("-v", "--verbose", dest="LogLevel", action="store_const", const=EdkLogger.VERBOSE,
 462                           help="Run verbosely"),
 463         make_option("-d", "--debug", dest="LogLevel", type="int",
 464                           help="Run with debug information"),
 465         make_option("-q", "--quiet", dest="LogLevel", action="store_const", const=EdkLogger.QUIET,
 466                           help="Run quietly"),
 467         make_option("-?", action="help", help="show this help message and exit"),
 468     ]
 469
 470     # use clearer usage to override default usage message
 471     UsageString = "%prog [-s|-r|-a|--Vfr-Uni-Offset] [-c] [-v|-d <debug_level>|-q] [-i <include_path_file>] [-o <output_file>] [--ModuleName <ModuleName>] [--DebugDir <DebugDir>] [<input_file>]"
 472
 473     Parser = OptionParser(description=__copyright__, version=__version__, option_list=OptionList, usage=UsageString)
 474     Parser.set_defaults(FileType="Vfr")
 475     Parser.set_defaults(ConvertHex=False)
 476     Parser.set_defaults(LogLevel=EdkLogger.INFO)
 477
 478     Options, Args = Parser.parse_args()
 479
 480     # error check
 481     if Options.FileType == 'VfrOffsetBin':
 482         if len(Args) == 0:
 483             return Options, ''
 484         elif len(Args) > 1:
 485             EdkLogger.error("Trim", OPTION_NOT_SUPPORTED, ExtraData=Parser.get_usage())
 486     if len(Args) == 0:
 487         EdkLogger.error("Trim", OPTION_MISSING, ExtraData=Parser.get_usage())
 488     if len(Args) > 1:
 489         EdkLogger.error("Trim", OPTION_NOT_SUPPORTED, ExtraData=Parser.get_usage())
 490
 491     InputFile = Args[0]
 492     return Options, InputFile
 493
 494 ## Entrance method
 495 #
 496 # This method mainly dispatch specific methods per the command line options.
 497 # If no error found, return zero value so the caller of this tool can know
 498 # if it's executed successfully or not.
 499 #
 500 # @retval 0     Tool was successful
 501 # @retval 1     Tool failed
 502 #
 503 def Main():
 504     try:
 505         EdkLogger.Initialize()
 506         CommandOptions, InputFile = Options()
 507         if CommandOptions.LogLevel < EdkLogger.DEBUG_9:
 508             EdkLogger.SetLevel(CommandOptions.LogLevel + 1)
 509         else:
 510             EdkLogger.SetLevel(CommandOptions.LogLevel)
 511     except FatalError as X:
 512         return 1
 513
 514     try:
 515         if CommandOptions.FileType == "Vfr":
 516             if CommandOptions.OutputFile is None:
 517                 CommandOptions.OutputFile = os.path.splitext(InputFile)[0] + '.iii'
 518             TrimPreprocessedVfr(InputFile, CommandOptions.OutputFile)
 519         elif CommandOptions.FileType == "Asl":
 520             if CommandOptions.OutputFile is None:
 521                 CommandOptions.OutputFile = os.path.splitext(InputFile)[0] + '.iii'
 522             TrimAslFile(InputFile, CommandOptions.OutputFile, CommandOptions.IncludePathFile)
 523         elif CommandOptions.FileType == "VfrOffsetBin":
 524             GenerateVfrBinSec(CommandOptions.ModuleName, CommandOptions.DebugDir, CommandOptions.OutputFile)
 525         else :
 526             if CommandOptions.OutputFile is None:
 527                 CommandOptions.OutputFile = os.path.splitext(InputFile)[0] + '.iii'
 528             TrimPreprocessedFile(InputFile, CommandOptions.OutputFile, CommandOptions.ConvertHex, CommandOptions.TrimLong)
 529     except FatalError as X:
 530         import platform
 531         import traceback
 532         if CommandOptions is not None and CommandOptions.LogLevel <= EdkLogger.DEBUG_9:
 533             EdkLogger.quiet("(Python %s on %s) " % (platform.python_version(), sys.platform) + traceback.format_exc())
 534         return 1
 535     except:
 536         import traceback
 537         import platform
 538         EdkLogger.error(
 539                     "\nTrim",
 540                     CODE_ERROR,
 541                     "Unknown fatal error when trimming [%s]" % InputFile,
 542                     ExtraData="\n(Please send email to edk2-devel@lists.01.org for help, attaching following call stack trace!)\n",
 543                     RaiseError=False
 544                     )
 545         EdkLogger.quiet("(Python %s on %s) " % (platform.python_version(), sys.platform) + traceback.format_exc())
 546         return 1
 547
 548     return 0
 549
 550 if __name__ == '__main__':
 551     r = Main()
 552     ## 0-127 is a safe return range, and 1 is a standard default error
 553     if r < 0 or r > 127: r = 1
 554     sys.exit(r)
 555