def process_file_darwin(pArgs):
ft = FileType.getFileType(pArgs.inputFile)
logging.debug('Detected file type is {0}'.format(FileType.revMap[ft]))
pArgs.arCmd = ['ar', '-x', '-v'] if pArgs.verboseFlag else ['ar', '-x']
pArgs.extractor = extract_section_darwin
pArgs.fileType = FileType.MACH_OBJECT
if ft == FileType.MACH_EXECUTABLE or ft == FileType.MACH_SHARED or ft == FileType.MACH_OBJECT:
logging.info('Generating LLVM Bitcode module')
return handleExecutable(pArgs)
elif ft == FileType.ARCHIVE:
if pArgs.bitcodeModuleFlag:
logging.info('Generating LLVM Bitcode module from an archive')
else:
logging.info('Generating LLVM Bitcode archive from an archive')
return handleArchive(pArgs)
else:
logging.error('File "{0}" of type {1} cannot be used'.format(pArgs.inputFile, FileType.revMap[ft]))
return 1
def handleArchive(pArgs):
originalDir = os.getcwd() # This will be the destination
pArgs.arCmd.append(pArgs.inputFile)
# Make temporary directory to extract objects to
tempDir = ''
bitCodeFiles = [ ]
retCode=0
try:
tempDir = tempfile.mkdtemp(suffix='wllvm')
os.chdir(tempDir)
# Extract objects from archive
try:
arP = Popen(pArgs.arCmd)
except OSError as e:
if e.errno == 2:
errorMsg = 'Your ar does not seem to be easy to find.\n'
else:
errorMsg = 'OS error({0}): {1}'.format(e.errno, e.strerror)
logging.error(errorMsg)
raise Exception(errorMsg)
arPE = arP.wait()
if arPE != 0:
errorMsg = 'Failed to execute archiver with command {0}'.format(pArgs.arCmd)
logging.error(errorMsg)
raise Exception(errorMsg)
# Iterate over objects and examine their bitcode inserts
for (root, dirs, files) in os.walk(tempDir):
logging.debug('Exploring "{0}"'.format(root))
for f in files:
fPath = os.path.join(root, f)
if FileType.getFileType(fPath) == pArgs.fileType:
# Extract bitcode locations from object
contents = pArgs.extractor(fPath)
for bcFile in contents:
if bcFile != '':
if not os.path.exists(bcFile):
logging.warning('{0} lists bitcode library "{1}" but it could not be found'.format(f, bcFile))
else:
bitCodeFiles.append(bcFile)
else:
logging.info('Ignoring file "{0}" in archive'.format(f))
logging.info('Found the following bitcode file names to build bitcode archive:\n{0}'.format(
pprint.pformat(bitCodeFiles)))
finally:
# Delete the temporary folder
logging.debug('Deleting temporary folder "{0}"'.format(tempDir))
shutil.rmtree(tempDir)
#write the manifest file if asked for
if pArgs.manifestFlag:
manifestFile = '{0}.llvm.manifest'.format(pArgs.inputFile)
with open(manifestFile, 'w') as output:
for f in bitCodeFiles:
output.write('{0}\n'.format(f))
# Build bitcode archive
os.chdir(originalDir)
return buildArchive(pArgs, bitCodeFiles)
