X86_64_REGISTER_R15
_AddIntegerRegister(X86_64_REGISTER_R15, "r15", B_UINT64_TYPE,
X86_64_REGISTER_R15,
x64State->r15 = IntRegisterValue(X86_64_REGISTER_R15);
SetIntRegister(X86_64_REGISTER_R15, state.r15);
context->values[ZYDIS_REGISTER_R15] = state->IntRegisterValue(X86_64_REGISTER_R15);