public void Bwi_CallingAllocaWithConstant()
{
scanner = mr.StrictMock<IScanner>();
prog.Architecture = new IntelArchitecture(ProcessorMode.Protected32);
var sig = CreateSignature(Registers.esp, Registers.eax);
var alloca = new ExternalProcedure("alloca", sig);
alloca.Characteristics = new ProcedureCharacteristics
{
IsAlloca = true
};
using (mr.Record())
{
scanner.Stub(x => x.FindContainingBlock(
Arg<Address>.Is.Anything)).Return(block);
scanner.Expect(x => x.GetImportedProcedure(
Arg<Address>.Matches(a => a.ToLinear() == 0x2000u),
Arg<Address>.Is.NotNull)).Return(alloca);
scanner.Stub(x => x.GetTrace(null, null, null)).IgnoreArguments().Return(trace);
}
trace.Add(m => m.Call(Address.Ptr32(0x2000), 4));
var state = new FakeProcessorState(prog.Architecture);
state.SetRegister(Registers.eax, Constant.Word32(0x0400));
var wi = CreateWorkItem(Address.Ptr32(0x1000), state);
wi.ProcessInternal();
mr.VerifyAll();
Assert.AreEqual(1, block.Statements.Count);
Assert.AreEqual("esp = esp - 0x00000400", block.Statements.Last.ToString());
}