mirror of
https://github.com/cea-sec/miasm
synced 2026-06-21 13:48:18 +00:00
Fabrice Desclaux
6e09df71a3
Fat patch here: some API have changed. Each irbloc now affects a special "IRDst" register which is used to describe the destination irbloc. It allows simple description of architectures using delay slots. Architectures semantic and tcc/python jitter are modified in consequence. LLVM jitter is disabled for now, but should be patch soon.
60 lines
2.4 KiB
Python
60 lines
2.4 KiB
Python
#!/usr/bin/env python
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#-*- coding:utf-8 -*-
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import unittest
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class TestSymbExec(unittest.TestCase):
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def test_ClassDef(self):
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from miasm2.expression.expression import ExprInt32, ExprId, ExprMem, ExprCompose
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from miasm2.arch.x86.sem import ir_x86_32
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from miasm2.ir.symbexec import symbexec
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addrX = ExprInt32(-1)
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addr0 = ExprInt32(0)
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addr1 = ExprInt32(1)
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addr8 = ExprInt32(8)
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addr9 = ExprInt32(9)
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addr20 = ExprInt32(20)
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addr40 = ExprInt32(40)
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addr50 = ExprInt32(50)
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mem0 = ExprMem(addr0)
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mem1 = ExprMem(addr1)
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mem8 = ExprMem(addr8)
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mem9 = ExprMem(addr9)
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mem20 = ExprMem(addr20)
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mem40v = ExprMem(addr40, 8)
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mem40w = ExprMem(addr40, 16)
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mem50v = ExprMem(addr50, 8)
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mem50w = ExprMem(addr50, 16)
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id_x = ExprId('x')
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id_y = ExprId('y', 8)
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id_a = ExprId('a')
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id_eax = ExprId('eax_init')
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e = symbexec(
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ir_x86_32(), {mem0: id_x, mem1: id_y, mem9: id_x, mem40w: id_x, mem50v: id_y, id_a: addr0, id_eax: addr0})
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self.assertEqual(e.find_mem_by_addr(addr0), mem0)
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self.assertEqual(e.find_mem_by_addr(addrX), None)
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self.assertEqual(e.eval_ExprMem(ExprMem(addr1 - addr1)), id_x)
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self.assertEqual(e.eval_ExprMem(ExprMem(addr1, 8)), id_y)
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self.assertEqual(e.eval_ExprMem(ExprMem(addr1 + addr1)), ExprCompose(
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[(id_x[16:32], 0, 16), (ExprMem(ExprInt32(4), 16), 16, 32)]))
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self.assertEqual(e.eval_ExprMem(mem8), ExprCompose(
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[(id_x[0:24], 0, 24), (ExprMem(ExprInt32(11), 8), 24, 32)]))
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self.assertEqual(e.eval_ExprMem(mem40v), id_x[:8])
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self.assertEqual(e.eval_ExprMem(mem50w), ExprCompose(
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[(id_y, 0, 8), (ExprMem(ExprInt32(51), 8), 8, 16)]))
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self.assertEqual(e.eval_ExprMem(mem20), mem20)
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e.func_read = lambda x: x
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self.assertEqual(e.eval_ExprMem(mem20), mem20)
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self.assertEqual(set(e.modified()), set(e.symbols))
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self.assertRaises(
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KeyError, e.symbols.__getitem__, ExprMem(ExprInt32(100)))
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if __name__ == '__main__':
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testsuite = unittest.TestLoader().loadTestsFromTestCase(TestSymbExec)
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report = unittest.TextTestRunner(verbosity=2).run(testsuite)
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exit(len(report.errors + report.failures))
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