def _analyze2(self, machO, classes, protoRefsMap):
addresses = self.asPrimitives('^', machO)
self.categories = readCategoryList(machO, addresses, classes,
protoRefsMap)
def analyze(self, segment, machO):
# Make sure the classlist section is ready if exists.
protoRefsMap = machO.anySectionProperty('className',
'ObjCProtoListSection',
'protocols',
default={})
classes = machO.anySectionProperty('className',
'ObjCClassListSection',
'classes',
default={})
if protoRefsMap is None or classes is None:
return True
if self.segname == '__OBJC':
self._analyze1(machO, classes, protoRefsMap)
else:
self._analyze2(machO, classes, protoRefsMap)
Section.registerFactory('__objc_catlist',
ObjCCategoryListSection) # __DATA,__objc_catlist
Section.registerFactory('__category_list',
ObjCCategoryListSection) # __OBJC2,__category_list
Section.registerFactory('__category',
ObjCCategoryListSection) # __OBJC,__category (ABI 1.0)
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
from macho.sections.section import Section
from macho.utilities import peekFixedLengthString
from macho.symbol import Symbol, SYMTYPE_CFSTRING
import macho.loadcommands.segment # to ensure macho.macho.fromVM is defined.
def _stringReader(machO, addressesAndLengths):
origin = machO.origin
machO_fromVM = machO.fromVM
machO_file = machO.file
for addr, (_, _, strAddr, strLen) in addressesAndLengths:
fileoff = machO_fromVM(strAddr)
string = peekFixedLengthString(machO_file, strLen, position=fileoff+origin)
yield Symbol(string, addr, SYMTYPE_CFSTRING)
class CFStringSection(Section):
"""The CoreFoundation string (``__DATA,__cfstring``) section."""
def analyze(self, segment, machO):
cfstrStruct = machO.makeStruct('4^')
addressesAndLengths = self.asStructs(cfstrStruct, machO, includeAddresses=True)
machO.addSymbols(_stringReader(machO, addressesAndLengths))
Section.registerFactory('__cfstring', CFStringSection)
from macho.sections.section import Section
from macho.utilities import peekFixedLengthString
from macho.symbol import Symbol, SYMTYPE_CFSTRING
import macho.loadcommands.segment # to ensure macho.macho.fromVM is defined.
def _stringReader(machO, addressesAndLengths):
origin = machO.origin
machO_fromVM = machO.fromVM
machO_file = machO.file
for addr, (_, _, strAddr, strLen) in addressesAndLengths:
fileoff = machO_fromVM(strAddr)
string = peekFixedLengthString(machO_file,
strLen,
position=fileoff + origin)
yield Symbol(string, addr, SYMTYPE_CFSTRING)
class CFStringSection(Section):
"""The CoreFoundation string (``__DATA,__cfstring``) section."""
def analyze(self, segment, machO):
cfstrStruct = machO.makeStruct('4^')
addressesAndLengths = self.asStructs(cfstrStruct,
machO,
includeAddresses=True)
machO.addSymbols(_stringReader(machO, addressesAndLengths))
Section.registerFactory('__cfstring', CFStringSection)
"""
def _analyze1(self, machO, protoRefsMap):
addressesAndClassTuples = self.asStructs(machO.makeStruct('12^'), machO, includeAddresses=True)
self.classes = analyzeClassList(machO, addressesAndClassTuples, protoRefsMap)
def _analyze2(self, machO, protoRefsMap):
addresses = self.asPrimitives('^', machO)
self.classes = readClassList(machO, addresses, protoRefsMap)
def analyze(self, segment, machO):
# Make sure the protocol sections is ready if exists.
protoRefsMap = machO.anySectionProperty('className', 'ObjCProtoListSection', 'protocols', default={})
if protoRefsMap is None:
return True
if self.segname == '__OBJC':
self._analyze1(machO, protoRefsMap)
else:
self._analyze2(machO, protoRefsMap)
Section.registerFactory('__objc_classlist', ObjCClassListSection) # __DATA,__objc_classlist
Section.registerFactory('__class_list', ObjCClassListSection) # __OBJC2,__class_list
Section.registerFactory('__class', ObjCClassListSection) # __OBJC,__class
# how about __DATA,__objc_nlclslist? what does it do?
* ``'name'`` (unique, string, the name of the class)
* ``'addr'`` (unique, integer, the VM address to the class)
"""
def _analyze1(self, machO, protoRefsMap):
addressesAndClassTuples = self.asStructs(machO.makeStruct("12^"), machO, includeAddresses=True)
self.classes = analyzeClassList(machO, addressesAndClassTuples, protoRefsMap)
def _analyze2(self, machO, protoRefsMap):
addresses = self.asPrimitives("^", machO)
self.classes = readClassList(machO, addresses, protoRefsMap)
def analyze(self, segment, machO):
# Make sure the protocol sections is ready if exists.
protoRefsMap = machO.anySectionProperty("className", "ObjCProtoListSection", "protocols", default={})
if protoRefsMap is None:
return True
if self.segname == "__OBJC":
self._analyze1(machO, protoRefsMap)
else:
self._analyze2(machO, protoRefsMap)
Section.registerFactory("__objc_classlist", ObjCClassListSection) # __DATA,__objc_classlist
Section.registerFactory("__class_list", ObjCClassListSection) # __OBJC2,__class_list
Section.registerFactory("__class", ObjCClassListSection) # __OBJC,__class
# how about __DATA,__objc_nlclslist? what does it do?
"""
def _analyze1(self, machO, classes, protoRefsMap):
cats = self.asStructs(machO.makeStruct('5^L~^'), machO)
# assert False, "Analyzing ABI 1.0 for the __OBJC,__category section is not implemented yet."
self.categories = analyzeCategoryList(machO, cats, classes, protoRefsMap)
def _analyze2(self, machO, classes, protoRefsMap):
addresses = self.asPrimitives('^', machO)
self.categories = readCategoryList(machO, addresses, classes, protoRefsMap)
def analyze(self, segment, machO):
# Make sure the classlist section is ready if exists.
protoRefsMap = machO.anySectionProperty('className', 'ObjCProtoListSection', 'protocols', default={})
classes = machO.anySectionProperty('className', 'ObjCClassListSection', 'classes', default={})
if protoRefsMap is None or classes is None:
return True
if self.segname == '__OBJC':
self._analyze1(machO, classes, protoRefsMap)
else:
self._analyze2(machO, classes, protoRefsMap)
Section.registerFactory('__objc_catlist', ObjCCategoryListSection) # __DATA,__objc_catlist
Section.registerFactory('__category_list', ObjCCategoryListSection) # __OBJC2,__category_list
Section.registerFactory('__category', ObjCCategoryListSection) # __OBJC,__category (ABI 1.0)
A :class:`~data_table.DataTable` of :class:`~objc.protocol.Protocol`\\s,
with the following columns:
* ``'name'`` (string, the name of the protocol)
* ``'addr'`` (unique, integer, the VM address to the protocol)
"""
def _analyze1(self, machO):
protos = self.asStructs(machO.makeStruct('5^'), machO, includeAddresses=True)
self.protocols = analyzeProtocolList(machO, protos)
def _analyze2(self, machO):
# In ABI 2.0, the __DATA,__objc_protolist contains a list of file offsets
# in native width and endian. These offsets will point to a protocol_t
# structure as described in objc-runtime-new.h.
addresses = self.asPrimitives('^', machO)
self.protocols = readProtocolList(machO, addresses)
def analyze(self, segment, machO):
if self.segname == '__OBJC':
return self._analyze1(machO)
else:
return self._analyze2(machO)
Section.registerFactory('__objc_protolist', ObjCProtoListSection) # __DATA,__objc_protolist
Section.registerFactory('__protocol_list', ObjCProtoListSection) # __OBJC2,__protocol_list
Section.registerFactory('__protocol', ObjCProtoListSection) # __OBJC,__protocols (ABI 1.0)