def test_add_dependencies_for_concrete_pointers_of_does_nothing_if_pointer_is_not_concrete(
self):
arch = self.ArchMock()
cfg = self.CFGMock({})
loader = self.LoaderMock(self.MainObjectMock(self.SectionMock(True)))
register_definition = Definition(
Register(0, 4),
CodeLocation(0x42, 0),
)
dependency_graph = DepGraph()
dependency_graph.add_node(register_definition)
nodes_before_call = dependency_graph.nodes()
dependency_graph.add_dependencies_for_concrete_pointers_of(
[claripy.BVS("TOP", arch.bits)],
register_definition,
cfg,
loader,
)
self.assertEqual(nodes_before_call, dependency_graph.nodes())
def test_add_dependencies_for_concrete_pointers_of_create_memory_location_with_undefined_data_if_data_pointed_to_by_definition_is_not_known(
self):
arch = self.ArchMock()
loader = self.LoaderMock(self.MainObjectMock(self.SectionMock(True)))
datum_content = None
datum_size = 0x4242
memory_datum = self.MemoryDataMock(self.memory_address, datum_content,
datum_size, 'unknown')
cfg = self.CFGMock({self.memory_address: memory_datum})
memory_definition = Definition(
MemoryLocation(self.memory_address, datum_size),
ExternalCodeLocation(),
)
register_definition = Definition(
Register(0, 4),
CodeLocation(0x42, 0),
)
dependency_graph = DepGraph()
dependency_graph.add_node(register_definition)
dependency_graph.add_dependencies_for_concrete_pointers_of(
[claripy.BVV(self.memory_address, arch.bits)],
register_definition,
cfg,
loader,
)
nodes = list(dependency_graph.nodes())
predecessors = list(
dependency_graph.graph.predecessors(register_definition))
self.assertEqual(nodes, [register_definition, memory_definition])
self.assertListEqual(predecessors, [memory_definition])
