def rewrite_segments(view: BinaryView):
class EmulatorBackgroundTask(BackgroundTaskThread):
def __init__(self, view):
self.view = view
super().__init__()
def run(self):
self.view.update_analysis_and_wait()
new_raw_view = BinaryView()
current_addr = 0
for segment in view.segments:
segment_data = view.read(segment.start, segment.data_length)
segment_data += b'\x00'*(len(segment) - segment.data_length)
new_raw_view.write(current_addr, segment_data)
current_addr += len(segment_data)
new_view = BinaryViewType['Mapped'].create(new_raw_view)
new_view.remove_auto_segment(0, len(new_raw_view))
t = EmulatorBackgroundTask(new_view)
t.start()
t.join()
current_addr = 0
for segment in view.segments:
new_view.add_user_segment(
segment.start,
len(segment),
current_addr,
len(segment),
(
(SegmentFlag.SegmentReadable if segment.readable else 0) |
(SegmentFlag.SegmentWritable if segment.writable else 0) |
(SegmentFlag.SegmentExecutable if segment.executable else 0)
)
)
current_addr += len(segment)
return new_view
masked_value | (
full_width_value & ((1 << ((size + offset) * 8)) - 1)
)
)
if sign_bit:
full_width_value |= full_width_mask ^ ((1 << ((size + offset) * 8)) - 1)
self._state.regs[full_width_reg] = full_width_value
if __name__ == '__main__':
bv = BinaryView()
# bv.write(0, b'\x89\xd8\x90\x90\x90')
# bv.write(0, b'\xb8\x01\x00\x00\x00')
bv.write(0, b'\x01 \xa0\xe3')
# bv.platform = Architecture['x86'].standalone_platform
bv.platform = Architecture['armv7'].standalone_platform
bv.create_user_function(0)
bv.update_analysis_and_wait()
function = bv.get_function_at(0)
emu = InstructionEmulator(bv, {'r2': 1337})
print(emu._state.regs)
emu.execute(function.llil[0])
