protected Program RewriteFile(string relativePath, Address addrBase)
{
var services = new ServiceContainer();
var config = new FakeDecompilerConfiguration();
services.AddService<IConfigurationService>(config);
ILoader ldr = new Loader(services);
var program = ldr.AssembleExecutable(
FileUnitTester.MapTestPath(relativePath),
new X86TextAssembler(new IntelArchitecture(ProcessorMode.Real)),
addrBase);
program.Platform = new DefaultPlatform(services, program.Architecture);
var ep = new EntryPoint(program.Image.BaseAddress, program.Architecture.CreateProcessorState());
var project = new Project { Programs = { program } };
var scan = new Scanner(
program,
new Dictionary<Address, ProcedureSignature>(),
new ImportResolver(project),
new FakeDecompilerEventListener());
scan.EnqueueEntryPoint(ep);
scan.ScanImage();
var dfa = new DataFlowAnalysis(program, new FakeDecompilerEventListener());
dfa.AnalyzeProgram();
return program;
}
protected void RunHexTest(string hexFile, string outputFile)
{
var svc = new ServiceContainer();
var cfg = new FakeDecompilerConfiguration();
svc.AddService<IConfigurationService>(cfg);
ILoader ldr = new Loader(svc);
var imgLoader = new DchexLoader(FileUnitTester.MapTestPath( hexFile), svc, null);
var img = imgLoader.Load(null);
var program = new Program(img.Image, img.Image.CreateImageMap(), img.Architecture, img.Platform);
var project = new Project { Programs = { program } };
var ep = new EntryPoint(program.Image.BaseAddress, program.Architecture.CreateProcessorState());
var scan = new Scanner(program, new Dictionary<Address, ProcedureSignature>(), new ImportResolver(project), new FakeDecompilerEventListener());
scan.EnqueueEntryPoint(ep);
scan.ScanImage();
var dfa = new DataFlowAnalysis(program, new FakeDecompilerEventListener());
dfa.AnalyzeProgram();
RunTest(program, outputFile);
}
public void EnqueueEntryPoint(EntryPoint ep)
{
queue.Enqueue(PriorityEntryPoint, new EntryPointWorkitem(this, program, ep));
}
public override RelocationResults Relocate(Address addrLoad)
{
if (image == null)
throw new InvalidOperationException(); // No file loaded
RelocationDictionary relocations = new RelocationDictionary();
var addrEntry = GetEntryPointAddress();
if (addrEntry != null)
{
var ep = new EntryPoint(addrEntry, arch.CreateProcessorState());
entryPoints.Add(ep);
}
if (fileClass == ELFCLASS64)
{
if (Header64.e_machine == EM_PPC64)
{
//$TODO
}
else
throw new NotImplementedException(string.Format("Relocations for architecture {0} not implemented.", Header64.e_machine));
}
else
{
switch (Header32.e_machine)
{
case EM_386: RelocateI386(); break;
case EM_PPC: RelocatePpc32(); break;
case EM_ARM: RelocateArm(); break;
default: throw new NotImplementedException(string.Format("ELF relocation for {0} is not implemented yet.", arch.GetType().Name));
}
}
return new RelocationResults(entryPoints, relocations);
}
private void BuildX86RealTest(Action<X86Assembler> test)
{
var addr = Address.SegPtr(0x0C00, 0);
var m = new X86Assembler(new IntelArchitecture(ProcessorMode.Real), addr, new List<EntryPoint>());
test(m);
var lr = m.GetImage();
program = new Program(
lr.Image,
lr.ImageMap,
lr.Architecture,
new FakePlatform(null, arch));
scan = CreateScanner(program);
EntryPoint ep = new EntryPoint(addr, program.Architecture.CreateProcessorState());
scan.EnqueueEntryPoint(ep);
}
public void Scanner_CallGraphTree()
{
Program prog = new Program();
var addr = Address.SegPtr(0xC00, 0);
var m = new X86Assembler(new IntelArchitecture(ProcessorMode.Real), addr, new List<EntryPoint>());
m.i86();
m.Proc("main");
m.Call("baz");
m.Ret();
m.Endp("main");
m.Proc("foo");
m.Ret();
m.Endp("foo");
m.Proc("bar");
m.Ret();
m.Endp("bar");
m.Proc("baz");
m.Call("foo");
m.Call("bar");
m.Jmp("foo");
m.Endp("baz");
var lr = m.GetImage();
prog.Image = lr.Image;
prog.ImageMap = lr.ImageMap;
prog.Architecture = lr.Architecture;
prog.Platform = new FakePlatform(null, arch);
var proj = new Project { Programs = { prog } };
var scan = new Scanner(prog, new Dictionary<Address, ProcedureSignature>(), new ImportResolver(proj), new FakeDecompilerEventListener());
EntryPoint ep = new EntryPoint(addr, prog.Architecture.CreateProcessorState());
scan.EnqueueEntryPoint(ep);
scan.ScanImage();
Assert.AreEqual(4, prog.Procedures.Count);
}
public EntryPointWorkitem(IScanner scanner, Program program, EntryPoint ep)
{
this.scanner = scanner;
this.program = program;
this.ep = ep;
}