public void MethodTableHeapEnumeration()
{
using (DataTarget dt = TestTargets.Types.LoadFullDump())
{
ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrHeap heap = runtime.Heap;
foreach (ClrType type in heap.EnumerateObjectAddresses().Select(obj => heap.GetObjectType(obj)).Unique())
{
Assert.NotEqual(0ul, type.MethodTable);
ClrType typeFromHeap;
if (type.IsArray)
{
ClrType componentType = type.ComponentType;
Assert.NotNull(componentType);
typeFromHeap = heap.GetTypeByMethodTable(type.MethodTable, componentType.MethodTable);
}
else
{
typeFromHeap = heap.GetTypeByMethodTable(type.MethodTable);
}
Assert.Equal(type.MethodTable, typeFromHeap.MethodTable);
Assert.Same(type, typeFromHeap);
}
}
}
public static ClrType GetTypeFromEE(ClrRuntime Runtime, ulong EEClass)
{
ClrHeap heap = Runtime.Heap;
//ClrType type = null;
ulong mt = heap.GetMethodTableByEEClass(EEClass);
if (mt == 0)
{
return(null);
}
return(heap.GetTypeByMethodTable(mt));
/*
* int max = heap.TypeIndexLimit;
* if (max < 1)
* {
* var objList = heap.EnumerateObjects().GetEnumerator();
* if (objList.MoveNext())
* {
* type = heap.GetObjectType(objList.Current);
* }
* } else
* type = Runtime.GetHeap().GetTypeByIndex(0);
* if (type == null)
* throw new NullReferenceException("There is no object in the heap");
* ClrType EEType = (ClrType)RunMethod(type, "ConstructObjectType", EEClass);
* return EEType;
*/
}
public string DumpASM()
{
TextWriter asmWriter = new StringWriter();
using (DataTarget target = DataTarget.AttachToProcess(Process.GetCurrentProcess().Id, 5000, AttachFlag.Passive))
{
foreach (ClrInfo clrInfo in target.ClrVersions)
{
this.engine.UpdateLog("Found CLR Version:" + clrInfo.Version.ToString());
// This is the data needed to request the dac from the symbol server:
ModuleInfo dacInfo = clrInfo.DacInfo;
this.engine.UpdateLog($"Filesize: {dacInfo.FileSize:X}");
this.engine.UpdateLog($"Timestamp: {dacInfo.TimeStamp:X}");
this.engine.UpdateLog($"Dac File: {dacInfo.FileName}");
ClrRuntime runtime = target.ClrVersions.Single().CreateRuntime();
var appDomain = runtime.AppDomains[0];
var module = appDomain.Modules.LastOrDefault(m => m.AssemblyName != null && m.AssemblyName.StartsWith(assemblyName));
asmWriter.WriteLine(
$"; {clrInfo.ModuleInfo.ToString()} ({clrInfo.Flavor} {clrInfo.Version})");
asmWriter.WriteLine(
$"; {clrInfo.DacInfo.FileName} ({clrInfo.DacInfo.TargetArchitecture} {clrInfo.DacInfo.Version})");
asmWriter.WriteLine();
foreach (var typeClr in module.EnumerateTypes())
{
asmWriter.WriteLine($"; Type {typeClr.Name}");
ClrHeap heap = runtime.Heap;
ClrType @object = heap.GetTypeByMethodTable(typeClr.MethodTable);
foreach (ClrMethod method in @object.Methods)
{
MethodCompilationType compileType = method.CompilationType;
ArchitectureMode mode = clrInfo.DacInfo.TargetArchitecture == Architecture.X86
? ArchitectureMode.x86_32
: ArchitectureMode.x86_64;
this.currentMethodAddress = 0;
var translator = new IntelTranslator
{
SymbolResolver = (Instruction instruction, long addr, ref long offset) =>
ResolveSymbol(runtime, instruction, addr, ref currentMethodAddress)
};
// This not work even ClrMd says opposite...
//ulong startAddress = method.NativeCode;
//ulong endAddress = method.ILOffsetMap.Select(entry => entry.EndAddress).Max();
DisassembleAndWrite(method, mode, translator, ref currentMethodAddress, asmWriter);
this.engine.UpdateLog($"Method {method.Name} disassembled to ASM.");
asmWriter.WriteLine();
}
}
break;
}
}
return(asmWriter.ToString());
}
public void GetObjectMethodTableTest()
{
using (DataTarget dt = TestTargets.AppDomains.LoadFullDump())
{
ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrHeap heap = runtime.Heap;
int i = 0;
foreach (ulong obj in heap.EnumerateObjectAddresses())
{
i++;
ClrType type = heap.GetObjectType(obj);
if (type.IsArray)
{
ulong mt, cmt;
bool result = heap.TryGetMethodTable(obj, out mt, out cmt);
Assert.True(result);
Assert.NotEqual(0ul, mt);
Assert.Equal(type.MethodTable, mt);
Assert.Same(type, heap.GetTypeByMethodTable(mt, cmt));
}
else
{
ulong mt = heap.GetMethodTable(obj);
Assert.NotEqual(0ul, mt);
Assert.Contains(mt, type.EnumerateMethodTables());
Assert.Same(type, heap.GetTypeByMethodTable(mt));
Assert.Same(type, heap.GetTypeByMethodTable(mt, 0));
ulong mt2, cmt;
bool res = heap.TryGetMethodTable(obj, out mt2, out cmt);
Assert.True(res);
Assert.Equal(mt, mt2);
Assert.Equal(0ul, cmt);
}
}
}
}
public DesktopMethod(DesktopRuntimeBase runtime, ulong md, IMethodDescData mdData, MethodAttributes attrs)
{
_runtime = runtime;
_sig = runtime.GetNameForMD(md);
_ip = mdData.NativeCodeAddr;
CompilationType = mdData.JITType;
_attrs = attrs;
_token = mdData.MDToken;
GCInfo = mdData.GCInfo;
ClrHeap heap = runtime.Heap;
_type = (DesktopHeapType)heap.GetTypeByMethodTable(mdData.MethodTable, 0);
HotColdInfo = new HotColdRegions {
HotStart = _ip, HotSize = mdData.HotSize, ColdStart = mdData.ColdStart, ColdSize = mdData.ColdSize
};
}
public void EETypeTest()
{
using DataTarget dt = TestTargets.AppDomains.LoadFullDump();
ClrRuntime runtime = dt.ClrVersions.Single().CreateRuntime();
ClrHeap heap = runtime.Heap;
HashSet <ulong> methodTables = (from obj in heap.EnumerateObjectAddresses()
let type = heap.GetObjectType(obj)
where !type.IsFree
select heap.GetMethodTable(obj)).Unique();
Assert.DoesNotContain(0ul, methodTables);
foreach (ulong mt in methodTables)
{
ClrType type = heap.GetTypeByMethodTable(mt);
ulong eeclass = heap.GetEEClassByMethodTable(mt);
Assert.NotEqual(0ul, eeclass);
Assert.NotEqual(0ul, heap.GetMethodTableByEEClass(eeclass));
}
}
public override ClrMethod GetMethodByHandle(ulong methodHandle)
{
if (methodHandle == 0)
{
return(null);
}
IMethodDescData methodDesc = GetMethodDescData(methodHandle);
if (methodDesc == null)
{
return(null);
}
ClrType type = Heap.GetTypeByMethodTable(methodDesc.MethodTable);
if (type == null)
{
return(null);
}
return(type.GetMethod(methodDesc.MDToken));
}
/// <summary> /// Retrieves the given type by its MethodTable/ComponentMethodTable pair. /// </summary> /// <param name="methodTable">The ClrType.MethodTable for the requested type.</param> /// <param name="componentMethodTable">The ClrType's component MethodTable for the requested type.</param> /// <returns>A ClrType object, or null if no such type exists.</returns> /// <inheritdoc /> public IClrType GetTypeByMethodTable(ulong methodTable, ulong componentMethodTable) => Converter.Convert(Heap.GetTypeByMethodTable(methodTable, componentMethodTable));
