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39 lines
1 KiB
Python
Executable file
39 lines
1 KiB
Python
Executable file
#!/usr/bin/python
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import regress
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import unicorn as U
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class WrongEFLAGS(regress.RegressTest):
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def test_eflags(self):
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# xor r14,r14
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CODE = 'M1\xf6'
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uc = U.Uc(U.UC_ARCH_X86, U.UC_MODE_64)
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uc.reg_write(U.x86_const.UC_X86_REG_RIP, 0x6000b0)
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uc.reg_write(U.x86_const.UC_X86_REG_EFLAGS, 0x200)
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uc.mem_map(0x600000, 0x1000)
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uc.mem_write(0x6000b0, CODE)
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uc.emu_start(0x6000b0, 0, count=1)
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# Here's the original execution trace for this on actual hardware.
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#
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# (gdb) x/i $pc
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# => 0x6000b0: xor %r14,%r14
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# (gdb) p/x $eflags
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# $1 = 0x200
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# (gdb) p $eflags
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# $2 = [ IF ]
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# (gdb) si
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# 0x00000000006000b3 in ?? ()
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# (gdb) p/x $eflags
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# $3 = 0x246
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# (gdb) p $eflags
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# $4 = [ PF ZF IF ]
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self.assertEqual(0x6000b3, uc.reg_read(U.x86_const.UC_X86_REG_RIP))
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self.assertEqual(0x246, uc.reg_read(U.x86_const.UC_X86_REG_EFLAGS))
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if __name__ == '__main__':
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regress.main()
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