本文整理汇总了Python中angr.SimState.has_plugin方法的典型用法代码示例。如果您正苦于以下问题：Python SimState.has_plugin方法的具体用法？Python SimState.has_plugin怎么用？Python SimState.has_plugin使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类angr.SimState的用法示例。
在下文中一共展示了SimState.has_plugin方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_state_merge
# 需要导入模块: from angr import SimState [as 别名]
# 或者: from angr.SimState import has_plugin [as 别名]
def test_state_merge():
a = SimState(arch='AMD64', mode='symbolic')
a.memory.store(1, a.se.BVV(42, 8))
b = a.copy()
c = b.copy()
a.memory.store(2, a.memory.load(1, 1)+1)
b.memory.store(2, b.memory.load(1, 1)*2)
c.memory.store(2, c.memory.load(1, 1)/2)
# make sure the byte at 1 is right
nose.tools.assert_equal(a.se.eval(a.memory.load(1, 1)), 42)
nose.tools.assert_equal(b.se.eval(b.memory.load(1, 1)), 42)
nose.tools.assert_equal(c.se.eval(c.memory.load(1, 1)), 42)
# make sure the byte at 2 is right
nose.tools.assert_equal(a.se.eval(a.memory.load(2, 1)), 43)
nose.tools.assert_equal(b.se.eval(b.memory.load(2, 1)), 84)
nose.tools.assert_equal(c.se.eval(c.memory.load(2, 1)), 21)
# the byte at 2 should be unique for all before the merge
nose.tools.assert_true(a.se.unique(a.memory.load(2, 1)))
nose.tools.assert_true(b.se.unique(b.memory.load(2, 1)))
nose.tools.assert_true(c.se.unique(c.memory.load(2, 1)))
logging.getLogger('angr.state_plugins.symbolic_memory').setLevel(logging.DEBUG)
m, merge_conditions, merging_occurred = a.merge(b, c)
logging.getLogger('angr.state_plugins.symbolic_memory').setLevel(logging.WARNING)
nose.tools.assert_true(merging_occurred)
#nose.tools.assert_equals(sorted(m.se.eval_upto(merge_flag, 10)), [ 0,1,2 ])
assert len(merge_conditions) == 3
# the byte at 2 should now *not* be unique for a
nose.tools.assert_false(m.se.unique(m.memory.load(2, 1)))
nose.tools.assert_true(a.se.unique(a.memory.load(2, 1)))
nose.tools.assert_true(b.se.unique(b.memory.load(2, 1)))
nose.tools.assert_true(c.se.unique(c.memory.load(2, 1)))
# the byte at 2 should have the three values
nose.tools.assert_items_equal(m.se.eval_upto(m.memory.load(2, 1), 10), (43, 84, 21))
# we should be able to select them by adding constraints
a_a = m.copy()
a_a.add_constraints(merge_conditions[0])
nose.tools.assert_true(a_a.se.unique(a_a.memory.load(2, 1)))
nose.tools.assert_equal(a_a.se.eval(a_a.memory.load(2, 1)), 43)
a_b = m.copy()
a_b.add_constraints(merge_conditions[1])
nose.tools.assert_true(a_b.se.unique(a_b.memory.load(2, 1)))
nose.tools.assert_equal(a_b.se.eval(a_b.memory.load(2, 1)), 84)
a_c = m.copy()
a_c.add_constraints(merge_conditions[2])
nose.tools.assert_true(a_c.se.unique(a_c.memory.load(2, 1)))
nose.tools.assert_equal(a_c.se.eval(a_c.memory.load(2, 1)), 21)
# test different sets of plugins
a = SimState(arch='AMD64', mode='symbolic')
nose.tools.assert_true(a.has_plugin('memory'))
nose.tools.assert_true(a.has_plugin('registers'))
nose.tools.assert_false(a.has_plugin('libc'))
b = a.copy()
a.get_plugin('libc')
nose.tools.assert_true(a.has_plugin('libc'))
nose.tools.assert_false(b.has_plugin('libc'))
c = a.copy().merge(b.copy())[0]
d = b.copy().merge(a.copy())[0]
nose.tools.assert_true(c.has_plugin('libc'))
nose.tools.assert_true(d.has_plugin('libc'))
# test merging posix with different open files
a = SimState(arch='AMD64', mode='symbolic')
b = a.copy()
a.posix.get_file(3)
nose.tools.assert_equal(len(a.posix.files), 4)
nose.tools.assert_equal(len(b.posix.files), 3)
c = a.copy().merge(b.copy())[0]
d = b.copy().merge(a.copy())[0]
nose.tools.assert_equal(len(c.posix.files), 4)
nose.tools.assert_equal(len(d.posix.files), 4)