unicorn/tests/regress/x86_64_eflags.py

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