def analyze(self, machO):
symtabStruct = machO.makeStruct('4L')
nlistStruct = machO.makeStruct('LBBH^')
(symoff, nsyms, stroff, _) = peekStruct(machO.file, symtabStruct)
# Get all nlist structs
origin = machO.origin
nlists = peekStructs(machO.file,
nlistStruct,
count=nsyms,
position=symoff + origin)
# Now analyze the nlist structs
symbols = []
for (ordinal, (idx, typ, sect, desc, value)) in enumerate(nlists):
string = peekString(machO.file, position=stroff + idx + origin)
libord = (desc >> 8) & 0xff # GET_LIBRARY_ORDINAL
extern = bool(typ & 1) # N_EXT
symtype = SYMTYPE_GENERIC if (typ & 0xe) else SYMTYPE_UNDEFINED
isThumb = bool(desc & 8) # N_ARM_THUMB_DEF
if isThumb:
value &= ~1
symbol = Symbol(string, value, symtype, ordinal, libord, extern,
isThumb)
symbols.append(symbol)
# add those symbols back into the Mach-O.
machO.addSymbols(symbols)
def analyze(self, machO):
symtabStruct = machO.makeStruct('4L')
nlistStruct = machO.makeStruct('LBBH^')
(symoff, nsyms, stroff, _) = peekStruct(machO.file, symtabStruct)
# Get all nlist structs
origin = machO.origin
nlists = peekStructs(machO.file, nlistStruct, count=nsyms, position=symoff+origin)
# Now analyze the nlist structs
symbols = []
for (ordinal, (idx, typ, sect, desc, value)) in enumerate(nlists):
string = peekString(machO.file, position=stroff+idx+origin)
libord = (desc >> 8) & 0xff # GET_LIBRARY_ORDINAL
extern = bool(typ & 1) # N_EXT
symtype = SYMTYPE_GENERIC if (typ & 0xe) else SYMTYPE_UNDEFINED
isThumb = bool(desc & 8) # N_ARM_THUMB_DEF
if isThumb:
value &= ~1
symbol = Symbol(string, value, symtype, ordinal, libord, extern, isThumb)
symbols.append(symbol)
# add those symbols back into the Mach-O.
machO.addSymbols(symbols)
def analyze(self, machO):
(offset, self.timestamp, self.version,
self.minVersion) = peekStruct(machO.file, machO.makeStruct('4L'))
self.name = peekString(machO.file,
position=offset + machO.origin + self.offset -
8)
def analyze(self, machO):
(offset, self.timestamp, self.version, self.minVersion) = peekStruct(machO.file, machO.makeStruct('4L'))
self.name = peekString(machO.file, position=offset + machO.origin + self.offset - 8)
