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#!/usr/bin/python
# Github issue: #201
# Author: fvrmatteo
# Description: missing instructions SHR/SHL/SAR/SAL
from keystone import *
import regress
class TestX86(regress.RegressTest):
def runTest(self):
# Initialize Keystone engine
ks = Ks(KS_ARCH_X86, KS_MODE_32)
# Assemble to get back insn encoding & statement count
encoding1, _ = ks.asm(b"shr eax, 1")
encoding2, _ = ks.asm(b"shl dword ptr ss:[esp], 2")
encoding3, _ = ks.asm(b"sar dword ptr ss:[0x10000000], 3")
self.assertEqual(encoding1, [ 0xd1, 0xe8 ])
self.assertEqual(encoding2, [ 0xc1, 0x24, 0x24, 0x02 ])
self.assertEqual(encoding3, [ 0x36, 0xc1, 0x3d, 0x00, 0x00, 0x00, 0x10, 0x03 ])
if __name__ == '__main__':
regress.main()