def _loadSections(self, machO):
segStruct = machO.makeStruct('16s4^2i2L')
sectStruct = machO.makeStruct(Section.STRUCT_FORMAT)
(segname, self.vmaddr, self._vmsize, self._fileoff, self._filesize,
self.maxprot, self.initprot, nsects,
_) = readStruct(machO.file, segStruct)
self.segname = fromStringz(segname)
machO_fileOrigin = machO._fileOrigin
sectVals = peekStructs(machO.file, sectStruct,
count=nsects) # get all section headers
sectionsList = (Section.createSection(i) for i in sectVals
) # convert all headers into Section objects
sections = DataTable('className', 'sectname', 'ftype')
for s in sectionsList:
if s.offset < machO_fileOrigin:
s.offset += machO_fileOrigin
sections.append(s,
className=type(s).__name__,
sectname=s.sectname,
ftype=s.ftype)
self.sections = sections
self._hasAnalyzedSections = False
self._shouldImportMappings = machO.mappings.mutable
def createSection(cls, val): '''Creates a section given be section header. *val* should be a tuple ordered as the C ``section`` structure.''' (sectname, segname, addr, size, offset, align, reloff, nreloc, flags, rs1, rs2) = val sectname = fromStringz(sectname) segname = fromStringz(segname) reserved = (rs1, rs2) ftype = flags & 0xff attrib = flags >> 8 # we pass ftype twice to ensure __init__ and createSectionType won't be # mixed (as they have different number of arguments.) return cls.createFType(ftype, sectname, segname, addr, size, offset, align, reloff, nreloc, ftype, attrib, reserved)
def createSection(cls, val):
'''Creates a section given be section header. *val* should be a tuple
ordered as the C ``section`` structure.'''
(sectname, segname, addr, size, offset, align, reloff, nreloc, flags,
rs1, rs2) = val
sectname = fromStringz(sectname)
segname = fromStringz(segname)
reserved = (rs1, rs2)
ftype = flags & 0xff
attrib = flags >> 8
# we pass ftype twice to ensure __init__ and createSectionType won't be
# mixed (as they have different number of arguments.)
return cls.createFType(ftype, sectname, segname, addr, size, offset,
align, reloff, nreloc, ftype, attrib, reserved)
def _loadSections(self, machO):
segStruct = machO.makeStruct('16s4^2i2L')
sectStruct = machO.makeStruct(Section.STRUCT_FORMAT)
(segname, self.vmaddr, self._vmsize, self._fileoff, self._filesize, self.maxprot, self.initprot, nsects, _) = readStruct(machO.file, segStruct)
self.segname = fromStringz(segname)
machO_fileOrigin = machO._fileOrigin
sectVals = peekStructs(machO.file, sectStruct, count=nsects) # get all section headers
sectionsList = (Section.createSection(i) for i in sectVals) # convert all headers into Section objects
sections = DataTable('className', 'sectname', 'ftype')
for s in sectionsList:
if s.offset < machO_fileOrigin:
s.offset += machO_fileOrigin
sections.append(s, className=type(s).__name__, sectname=s.sectname, ftype=s.ftype)
self.sections = sections
self._hasAnalyzedSections = False
self._shouldImportMappings = machO.mappings.mutable
