def _load_memory_mappings(self):
""" make the python objects"""
_mappings = []
default_ctypes = types.load_ctypes_default()
for mmap_fname, start, end, permissions, offset, major_device, minor_device, inode, pathname in self.metalines:
log.debug('Loading %s - %s' % (mmap_fname, pathname))
# open the file in the archive
fname = os.path.sep.join([self.dumpname, mmap_fname])
mmap = FilenameBackedMemoryMapping(fname,
start,
end,
permissions,
offset,
major_device,
minor_device,
inode,
pathname=pathname)
mmap.set_ctypes(default_ctypes)
_mappings.append(mmap)
_target_platform = target.TargetPlatform(_mappings,
cpu_bits=self._cpu_bits,
os_name=self._os_name)
self._memory_handler = MemoryHandler(_mappings, _target_platform,
self.dumpname)
self._memory_handler.reset_mappings()
return
def _load_memory_mappings(self):
""" make the python objects"""
_mappings = []
for mmap_fname, start, end, permissions, offset, major_device, minor_device, inode, pathname in self.metalines:
log.debug('Loading %s - %s' % (mmap_fname, pathname))
# open the file in the archive
try:
mmap_content_file = self._protected_open_file(mmap_fname, pathname)
except (IOError, KeyError) as e:
log.debug('Ignore absent file : %s' % (e))
mmap = AMemoryMapping(start, end, permissions, offset, major_device, minor_device, inode, pathname=pathname)
_mappings.append(mmap)
continue
except LazyLoadingException as e:
mmap = FilenameBackedMemoryMapping(e._filename, start, end, permissions, offset, major_device, minor_device, inode, pathname=pathname)
_mappings.append(mmap)
continue
if isinstance(self.archive, zipfile.ZipFile): # ZipExtFile is lame
log.warning(
'Using a local memory mapping . Zipfile sux. thx ruby.')
mmap = AMemoryMapping(start, end, permissions, offset, major_device, minor_device, inode, pathname=pathname)
mmap = LocalMemoryMapping.fromBytebuffer(
mmap,
mmap_content_file.read())
# use file mmap when file is too big
elif end - start > haystack.MAX_MAPPING_SIZE_FOR_MMAP:
log.warning('Using a file backed memory mapping. no mmap in memory for this memorymap (%s).' % (pathname) +
' Search will fail. Buffer is needed.')
mmap = FileBackedMemoryMapping(mmap_content_file.name, start, end, permissions, offset, major_device, minor_device, inode, pathname=pathname)
else:
# log.debug('Using a MemoryDumpMemoryMapping. small size')
# mmap = MemoryDumpMemoryMapping(mmap_content_file, start, end, permissions, offset,
log.debug('Always use FilenameBackedMemoryMapping. small size')
mmap = FilenameBackedMemoryMapping(mmap_content_file.name, start, end, permissions, offset, major_device, minor_device, inode, pathname=pathname)
_mappings.append(mmap)
_target_platform = target.TargetPlatform(_mappings, cpu_bits=self._cpu_bits, os_name=self._os_name)
self._memory_handler = MemoryHandler(_mappings, _target_platform, self.dumpname)
return