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41 lines
1005 B
41 lines
1005 B
3 years ago
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#!/usr/bin/python
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# Test BL <symbol> instruction with KS_OPT_SYM_RESOLVER for THUMB
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# Github issue: #355
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# Author: jan2642
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from keystone import *
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import regress
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class TestARM(regress.RegressTest):
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def runTest(self):
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def sym_resolver(symbol, value):
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if symbol == "symBackward":
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value[0] = 0x0
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return True
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if symbol == "symForward":
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value[0] = 0x20
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return True
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return False
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# Initialize Keystone engine
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ks = Ks(KS_ARCH_ARM, KS_MODE_THUMB)
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ks.sym_resolver = sym_resolver
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encoding, _ = ks.asm(b"""
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sub r0, r0, r0
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sub r0, r0, r0
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bl symBackward
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""")
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self.assertEqual(encoding[-4:], [ 0xff, 0xf7, 0xfa, 0xff ])
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encoding, _ = ks.asm(b"bl symForward")
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self.assertEqual(encoding, [ 0x00, 0xf0, 0x0e, 0xf8 ])
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if __name__ == '__main__':
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regress.main()
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