def readRawBufferInfo(metaData, hasRandSection):
randInfo = shuffleInfo_pb2.ReorderInfo()
if hasRandSection:
try:
randInfo.ParseFromString(gzip.open(metaData, "rb").read())
except IOError:
print(
"Found a .rand section but not gzipped. Check out the CCR linker!"
)
else:
randInfo.ParseFromString(open(metaData, "rb").read())
return randInfo
def read(metaData, hasRandSection):
"""
Deserialize the metadata for randomization in google protobuf format
:param metaData: target file name
:param isDebug:
:return:
"""
randInfo = shuffleInfo_pb2.ReorderInfo()
if hasRandSection:
try:
randInfo.ParseFromString(gzip.open(metaData, "rb").read())
except IOError:
print "Found a .rand section but not gzipped. Check out the CCR linker!"
else:
randInfo.ParseFromString(open(metaData, "rb").read())
return deserializeInfo(randInfo)
def getMetadata(param):
if isMetadata(param):
print("Found the metadata at %s" % param)
return param
if isELF(param):
if os.path.exists(C.METADATA_PATH):
os.remove(C.METADATA_PATH)
os.system(' '.join([
'objcopy', '--dump-section',
C.RAND_SECTION + '=' + C.METADATA_PATH, param, '2> /dev/null'
]))
return C.METADATA_PATH
fn = getMetadata(sys.argv[1])
ri = shuffleInfo_pb2.ReorderInfo()
if isMetadata(fn):
ri = shuffleInfo_pb2.ReorderInfo()
ri.ParseFromString(open(fn, "rb").read())
readOnly(fn + C.METADESC_POSTFIX, ri)
elif isELF(sys.argv[1]):
try:
ri.ParseFromString(gzip.open(fn, "rb").read())
print(
"Found the .rand section, dumping into %s (will be removed at the end)"
% C.METADATA_PATH)
readOnly(sys.argv[1] + C.METADATA_POSTFIX + C.METADESC_POSTFIX, ri)
os.remove(C.METADATA_PATH)
except IOError:
print(
print "obj_func_cnt", obj_func_cnt
print "fun_size", fun_size
print "fun_bb_cnt", fun_bb_cnt
print "bbk_size", bbk_size
print "bbk_fixup_cnt", bbk_fixup_cnt
print "fixup_deref_size", fixup_deref_size
print "fixup_offset", fixup_offset
print "fixup_is_rela", fixup_is_rela
print "fixup_deref_size_ro", fixup_deref_size_ro
print "fixup_offset_ro", fixup_offset_ro
print "fixup_is_rela_ro", fixup_is_rela_ro
if __name__ == '__main__':
if len(sys.argv) != 2:
print "Usage:", sys.argv[0], "INFO_FILE"
sys.exit(-1)
reorder_info = shuffleInfo_pb2.ReorderInfo()
# Read the existing address book.
f = open(sys.argv[1], "rb")
reorder_info.ParseFromString(f.read())
f.close()
deserializeInfo(reorder_info)