DeforaNetworks/manticore
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Unicorn emulator: get uc_arch & uc_mode values just once (#779)

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Disconnect3d 2018-03-02 06:24:27 +07:00 committed by Yan Ivnitskiy
parent 20cb97f7ae
commit 9b75a1f0fe
1 changed files with 23 additions and 14 deletions
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37
manticore/utils/emulate.py
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@ -34,24 +34,33 @@ class UnicornEmulator(object):
# instruction
self._should_be_written = {}
def reset(self):
self._emu = self._unicorn()
self._to_raise = None
def _unicorn(self):
if self._cpu.arch == CS_ARCH_ARM:
if self._cpu.mode == CS_MODE_ARM:
return Uc(UC_ARCH_ARM, UC_MODE_ARM)
elif self._cpu.mode == CS_MODE_THUMB:
return Uc(UC_ARCH_ARM, UC_MODE_THUMB)
self._uc_arch = UC_ARCH_ARM
self._uc_mode = {
CS_MODE_ARM: UC_MODE_ARM,
CS_MODE_THUMB: UC_MODE_THUMB
}[self._cpu.mode]
elif self._cpu.arch == CS_ARCH_ARM64:
self._uc_arch = UC_ARCH_ARM64
self._uc_mode = {
CS_MODE_ARM: UC_MODE_ARM,
CS_MODE_THUMB: UC_MODE_THUMB
}[self._cpu.mode]
elif self._cpu.arch == CS_ARCH_X86:
if self._cpu.mode == CS_MODE_32:
return Uc(UC_ARCH_X86, UC_MODE_32)
elif self._cpu.mode == CS_MODE_64:
return Uc(UC_ARCH_X86, UC_MODE_64)
self._uc_arch = UC_ARCH_X86
self._uc_mode = {
CS_MODE_32: UC_MODE_32,
CS_MODE_64: UC_MODE_64
}[self._cpu.mode]
raise RuntimeError("Unsupported architecture")
else:
raise NotImplementedError('Unsupported architecture: %s' % self._cpu.arch)
def reset(self):
self._emu = Uc(self._uc_arch, self._uc_mode)
self._to_raise = None
def _create_emulated_mapping(self, uc, address):
'''