public static bool TryParseObjectHeader(CachedSnapshot snapshot, ulong ptrObjectHeader, out ManagedObjectInfo info)
{
bool resolveFailed = false;
var heap = snapshot.managedHeapSections;
info = new ManagedObjectInfo();
info.ManagedObjectIndex = -1;
ulong ptrIdentity = 0;
var boHeader = heap.Find(ptrObjectHeader, snapshot.virtualMachineInformation);
if (!boHeader.IsValid)
{
resolveFailed = true;
}
else
{
boHeader.TryReadPointer(out ptrIdentity);
info.PtrTypeInfo = ptrIdentity;
info.ITypeDescription = snapshot.typeDescriptions.TypeInfo2ArrayIndex(info.PtrTypeInfo);
if (info.ITypeDescription < 0)
{
var boIdentity = heap.Find(ptrIdentity, snapshot.virtualMachineInformation);
if (boIdentity.IsValid)
{
ulong ptrTypeInfo;
boIdentity.TryReadPointer(out ptrTypeInfo);
info.PtrTypeInfo = ptrTypeInfo;
info.ITypeDescription = snapshot.typeDescriptions.TypeInfo2ArrayIndex(info.PtrTypeInfo);
resolveFailed = info.ITypeDescription < 0;
}
else
{
resolveFailed = true;
}
}
}
if (resolveFailed)
{
#if DEBUG_VALIDATION
UnityEngine.Debug.LogError("Bad object header at address: " + ptrIdentity);
#endif
info.PtrTypeInfo = 0;
info.ITypeDescription = -1;
info.Size = 0;
info.PtrObject = 0;
info.data = default(BytesAndOffset);
return(false);
}
info.Size = SizeOfObjectInBytes(snapshot, info.ITypeDescription, boHeader, heap);
info.data = boHeader;
info.PtrObject = ptrObjectHeader;
return(true);
}
public ObjectReferenceTable(Database.Schema schema, SnapshotObjectDataFormatter formatter, CachedSnapshot snapshot, ManagedData crawledData, ObjectData obj, ObjectMetaType metaType)
: base(schema, formatter, snapshot, crawledData, metaType)
{
m_Object = obj;
m_References = ObjectConnection.GetAllObjectConnectingTo(snapshot, obj);
InitObjectList();
}
public ObjectReferenceTable(Database.Schema schema, SnapshotObjectDataFormatter formatter, CachedSnapshot snapshot, ManagedData crawledData, ObjectData obj, ObjectMetaType metaType)
: base(schema, formatter, snapshot, crawledData, metaType)
{
m_Object = obj;
m_References = ObjectConnection.GetAllObjectConnectingTo(snapshot, obj);
#if DEBUG_VALIDATION
int toUnifiedIndex = m_Object.GetUnifiedObjectIndex(snapshot);
var toManagedIndex = snapshot.UnifiedObjectIndexToManagedObjectIndex(toUnifiedIndex);
for (int k = 0; k != m_References.Length; ++k)
{
var oFrom = m_References[k];
switch (oFrom.dataType)
{
case ObjectDataType.ReferenceArray:
case ObjectDataType.ReferenceObject:
case ObjectDataType.Value:
if (oFrom.m_Parent != null)
{
oFrom = oFrom.m_Parent.obj;
}
break;
}
bool connectionFound = false;
switch (oFrom.dataType)
{
case ObjectDataType.Global:
{
if (snapshot.HasGlobalConnection(toManagedIndex))
{
connectionFound = true;
}
}
break;
case ObjectDataType.Type:
{
if (snapshot.HasManagedTypeConnection(oFrom.managedTypeIndex, toManagedIndex))
{
connectionFound = true;
}
}
break;
case ObjectDataType.Array:
case ObjectDataType.BoxedValue:
case ObjectDataType.Object:
{
if (snapshot.HasObjectConnection(oFrom.GetUnifiedObjectIndex(snapshot), toUnifiedIndex))
{
connectionFound = true;
break;
}
}
break;
case ObjectDataType.NativeObject:
{
if (snapshot.HasObjectConnection(oFrom.GetUnifiedObjectIndex(snapshot), toUnifiedIndex))
{
connectionFound = true;
break;
}
}
break;
}
if (!connectionFound)
{
UnityEngine.Debug.LogError("Connection not found, index =" + k);
}
}
#endif
InitObjectList();
}
string IObjectDataTypeFormatter.Format(CachedSnapshot snapshot, ObjectData od, IDataFormatter formatter)
{
return(formatter.Format(od.managedObjectData.ReadUInt32()));
}
public TypeBase(CachedSnapshot snapshot)
{
ComputeTypeBases(snapshot);
}
public static ManagedObjectInfo ParseObjectHeader(CachedSnapshot snapshot, BytesAndOffset byteOffset, bool ignoreBadHeaderError)
{
var heap = snapshot.managedHeapSections;
ManagedObjectInfo objectInfo;
objectInfo = new ManagedObjectInfo();
objectInfo.PtrObject = 0;
objectInfo.ManagedObjectIndex = -1;
var boHeader = byteOffset;
var ptrIdentity = boHeader.ReadPointer();
objectInfo.PtrTypeInfo = ptrIdentity;
objectInfo.ITypeDescription = snapshot.typeDescriptions.TypeInfo2ArrayIndex(objectInfo.PtrTypeInfo);
bool error = false;
if (objectInfo.ITypeDescription < 0)
{
var boIdentity = heap.Find(ptrIdentity, snapshot.virtualMachineInformation);
if (boIdentity.IsValid)
{
var ptrTypeInfo = boIdentity.ReadPointer();
objectInfo.PtrTypeInfo = ptrTypeInfo;
objectInfo.ITypeDescription = snapshot.typeDescriptions.TypeInfo2ArrayIndex(objectInfo.PtrTypeInfo);
error = objectInfo.ITypeDescription < 0;
}
else
{
error = true;
}
}
if (!error)
{
objectInfo.Size = SizeOfObjectInBytes(snapshot, objectInfo.ITypeDescription, boHeader, heap);
objectInfo.data = boHeader;
}
else
{
if (!ignoreBadHeaderError)
{
var cursor = boHeader;
string str = "";
for (int j = 0; j != 4; ++j)
{
for (int i = 0; i != 8; ++i)
{
var b = cursor.bytes[cursor.offset + i];
str += string.Format(" {0:X2}", b);
}
var d = cursor.ReadInt64();
str += string.Format(" : 0x{0:X}, {1}", d, d);
str += "\n";
cursor = cursor.Add(8);
}
#if DEBUG_VALIDATION
var ptrIdentityTypeIndex = snapshot.typeDescriptions.TypeInfo2ArrayIndex(ptrIdentity);
UnityEngine.Debug.LogWarning("Unknown object header or type. "
+ " header: \n" + str
+ " First pointer as type index = " + ptrIdentityTypeIndex
);
#endif
}
objectInfo.PtrTypeInfo = 0;
objectInfo.ITypeDescription = -1;
objectInfo.Size = 0;
}
return(objectInfo);
}
public static ObjectData[] GetAllObjectConnectingTo(CachedSnapshot snapshot, ObjectData obj)
{
var o = new List <ObjectData>();
int objIndex = -1;
switch (obj.dataType)
{
case ObjectDataType.Array:
case ObjectDataType.BoxedValue:
case ObjectDataType.Object:
{
ManagedObjectInfo moi;
if (snapshot.CrawledData.ManagedObjectByAddress.TryGetValue(obj.hostManagedObjectPtr, out moi))
{
objIndex = snapshot.ManagedObjectIndexToUnifiedObjectIndex(moi.ManagedObjectIndex);
//add crawled connections
for (int i = 0; i != snapshot.CrawledData.Connections.Count; ++i)
{
var c = snapshot.CrawledData.Connections[i];
switch (c.connectionType)
{
case ManagedConnection.ConnectionType.Global_To_ManagedObject:
if (c.toManagedObjectIndex == moi.ManagedObjectIndex)
{
o.Add(ObjectData.global);
}
break;
case ManagedConnection.ConnectionType.ManagedObject_To_ManagedObject:
if (c.toManagedObjectIndex == moi.ManagedObjectIndex)
{
var objParent = ObjectData.FromManagedObjectIndex(snapshot, c.fromManagedObjectIndex);
if (c.fieldFrom >= 0)
{
o.Add(objParent.GetInstanceFieldBySnapshotFieldIndex(snapshot, c.fieldFrom, false));
}
else if (c.arrayIndexFrom >= 0)
{
o.Add(objParent.GetArrayElement(snapshot, c.arrayIndexFrom, false));
}
else
{
o.Add(objParent);
}
}
break;
case ManagedConnection.ConnectionType.ManagedType_To_ManagedObject:
if (c.toManagedObjectIndex == moi.ManagedObjectIndex)
{
var objType = ObjectData.FromManagedType(snapshot, c.fromManagedType);
if (c.fieldFrom >= 0)
{
o.Add(objType.GetInstanceFieldBySnapshotFieldIndex(snapshot, c.fieldFrom, false));
}
else if (c.arrayIndexFrom >= 0)
{
o.Add(objType.GetArrayElement(snapshot, c.arrayIndexFrom, false));
}
else
{
o.Add(objType);
}
}
break;
case ManagedConnection.ConnectionType.UnityEngineObject:
if (c.UnityEngineManagedObjectIndex == moi.ManagedObjectIndex)
{
o.Add(ObjectData.FromNativeObjectIndex(snapshot, c.UnityEngineNativeObjectIndex));
}
break;
}
}
}
break;
}
case ObjectDataType.NativeObject:
objIndex = snapshot.NativeObjectIndexToUnifiedObjectIndex(obj.nativeObjectIndex);
//add crawled connection
for (int i = 0; i != snapshot.CrawledData.Connections.Count; ++i)
{
switch (snapshot.CrawledData.Connections[i].connectionType)
{
case ManagedConnection.ConnectionType.Global_To_ManagedObject:
case ManagedConnection.ConnectionType.ManagedObject_To_ManagedObject:
case ManagedConnection.ConnectionType.ManagedType_To_ManagedObject:
break;
case ManagedConnection.ConnectionType.UnityEngineObject:
if (snapshot.CrawledData.Connections[i].UnityEngineNativeObjectIndex == obj.nativeObjectIndex)
{
o.Add(ObjectData.FromManagedObjectIndex(snapshot, snapshot.CrawledData.Connections[i].UnityEngineManagedObjectIndex));
}
break;
}
}
break;
default:
return(null);
}
//add connections from the raw snapshot
if (objIndex >= 0)
{
for (int i = 0; i != snapshot.connections.Count; ++i)
{
if (snapshot.connections.to[i] == objIndex)
{
o.Add(ObjectData.FromUnifiedObjectIndex(snapshot, snapshot.connections.from[i]));
}
}
}
return(o.ToArray());
}
public void Clear()
{
m_Snapshot = null;
BaseFormatter.Clear();
}
// Returns a new ObjectData pointing to the object's (that this ObjectData is currently pointing at) field
// using the field index from [0, GetInstanceFieldCount()[
public ObjectData GetInstanceFieldByIndex(CachedSnapshot snapshot, int i)
{
int iField = snapshot.typeDescriptions.fieldIndices_instance[managedTypeIndex][i];
return(GetInstanceFieldBySnapshotFieldIndex(snapshot, iField, true));
}
// Returns a new ObjectData pointing to the object's (that this ObjectData is currently pointing at) field
// using a field index from snapshot.fieldDescriptions
public ObjectData GetInstanceFieldBySnapshotFieldIndex(CachedSnapshot snapshot, int iField, bool expandToTarget)
{
ObjectData obj;
ulong objectPtr;
switch (m_dataType)
{
case ObjectDataType.ReferenceObject:
objectPtr = GetReferencePointer();
obj = FromManagedPointer(snapshot, objectPtr);
break;
case ObjectDataType.BoxedValue:
case ObjectDataType.Object:
case ObjectDataType.Value:
objectPtr = m_data.managed.objectPtr;
obj = this;
break;
//case ObjectDataType.ReferenceArray:
default:
//TODO: add proper handling for missing types
//DebugUtility.LogError("Requesting a field on an invalid data type");
return(new ObjectData());
}
var fieldOffset = snapshot.fieldDescriptions.offset[iField];
var fieldType = snapshot.fieldDescriptions.typeIndex[iField];
bool isStatic = snapshot.fieldDescriptions.isStatic[iField];
switch (m_dataType)
{
case ObjectDataType.Value:
if (!isStatic)
{
fieldOffset -= snapshot.virtualMachineInformation.objectHeaderSize;
}
break;
case ObjectDataType.Object:
case ObjectDataType.BoxedValue:
break;
case ObjectDataType.Type:
if (!isStatic)
{
DebugUtility.LogError("Requesting a non-static field on a type");
return(invalid);
}
break;
default:
break;
}
ObjectData o = new ObjectData();
o.m_Parent = new ObjectDataParent(obj, iField, -1, expandToTarget);
o.SetManagedType(snapshot, fieldType);
o.m_dataType = TypeToSubDataType(snapshot, fieldType);
if (isStatic)
{
//the field requested might come from a base class. make sure we are using the right staticFieldBytes.
var iOwningType = obj.m_data.managed.iType;
while (iOwningType >= 0)
{
var fieldIndex = System.Array.FindIndex(snapshot.typeDescriptions.fieldIndicesOwned_static[iOwningType], x => x == iField);
if (fieldIndex >= 0)
{
//field iField is owned by type iCurrentBase
break;
}
iOwningType = snapshot.typeDescriptions.baseOrElementTypeIndex[iOwningType];
}
if (iOwningType < 0)
{
DebugUtility.LogError("Field requested is not owned by the type not any of its bases");
return(invalid);
}
o.m_data.managed.objectPtr = 0;
var typeStaticData = new BytesAndOffset(snapshot.typeDescriptions.staticFieldBytes[iOwningType], snapshot.virtualMachineInformation.pointerSize);
o.managedObjectData = typeStaticData.Add(fieldOffset);
}
else
{
o.m_data.managed.objectPtr = objectPtr;// m_data.managed.objectPtr;
o.managedObjectData = obj.managedObjectData.Add(fieldOffset);
}
return(o);
}
// Returns the name of the field this ObjectData is pointing at.
// should be called only when IsField() return true
public string GetFieldName(CachedSnapshot snapshot)
{
return(snapshot.fieldDescriptions.fieldDescriptionName[m_Parent.iField]);
}
public ObjectData GetArrayElement(CachedSnapshot snapshot, int index, bool expandToTarget)
{
return(GetArrayElement(snapshot, GetArrayInfo(snapshot), index, expandToTarget));
}
internal static ObjectData[] GetAllObjectConnectingFrom(CachedSnapshot snapshot, ObjectData obj)
{
//TODO
var o = new List <ObjectData>();
//int objIndex = -1;
//switch (obj.dataType)
//{
// case ObjectDataType.Array:
// case ObjectDataType.BoxedValue:
// case ObjectDataType.Object:
// {
// ManagedObjectInfo moi;
// if (snapshot.m_CrawledData.managedObjectByAddress.TryGetValue(obj.hostManagedObjectPtr, out moi))
// {
// objIndex = moi.managedObjectIndex;
// //add crawled connections
// for (int i = 0; i != snapshot.m_CrawledData.connections.Length; ++i)
// {
// switch (snapshot.m_CrawledData.connections[i].connectionType)
// {
// case ManagedConnection.ConnectionType.ManagedObject_To_ManagedObject:
// if (snapshot.m_CrawledData.connections[i].fromManagedObjectIndex == objIndex)
// {
// o.Add(ObjectData.FromManagedObjectIndex(snapshot, snapshot.m_CrawledData.connections[i].toManagedObjectIndex));
// }
// break;
// case ManagedConnection.ConnectionType.Global_To_ManagedObject:
// case ManagedConnection.ConnectionType.ManagedType_To_ManagedObject:
// break;
// }
// }
// }
// break;
// }
// case ObjectDataType.Type:
// for (int i = 0; i != snapshot.m_CrawledData.connections.Length; ++i)
// {
// switch (snapshot.m_CrawledData.connections[i].connectionType)
// {
// case ManagedConnection.ConnectionType.ManagedType_To_ManagedObject:
// if (snapshot.m_CrawledData.connections[i].fromManagedType == obj.managedTypeIndex)
// {
// o.Add(ObjectData.FromManagedObjectIndex(snapshot, snapshot.m_CrawledData.connections[i].toManagedObjectIndex));
// }
// break;
// case ManagedConnection.ConnectionType.Global_To_ManagedObject:
// case ManagedConnection.ConnectionType.ManagedObject_To_ManagedObject:
// break;
// }
// }
// break;
// case ObjectDataType.NativeObject:
// objIndex = obj.nativeObjectIndex;
// //for (int i = 0; i != snapshot.m_CrawledData.connections.Length; ++i)
// //{
// // if (snapshot.m_CrawledData.connections[i].fromPtr == obj.hostManagedObjectPtr)
// // {
// // o.Add(ObjectData.FromManagedPointer(snapshot, snapshot.m_CrawledData.connections[i].toPtr));
// // }
// //}
// break;
// default:
// return null;
//}
//if (objIndex >= 0)
//{
// for (int i = 0; i != snapshot.connections.Count; ++i)
// {
// if (snapshot.connections.from[i] == objIndex)
// {
// o.Add(ObjectData.FromUnifiedObjectIndex(snapshot, snapshot.connections.to[i]));
// }
// }
//}
return(o.ToArray());
}
public void Clear()
{
m_Snapshot = null;
m_BaseRenderer.Clear();
}
public SortedNativeMemoryRegionEntriesCache(CachedSnapshot snapshot)
{
m_Snapshot = snapshot;
}
public ObjectListTable(Database.Schema schema, SnapshotObjectDataFormatter formatter, CachedSnapshot snapshot, ManagedData crawledData, ObjectMetaType metaType)
: base(schema, metaType)
{
Formatter = formatter;
Snapshot = snapshot;
CrawledData = crawledData;
var col = new List <Database.Column>();
switch (metaType)
{
case ObjectMetaType.All:
case ObjectMetaType.Managed:
col.Add(new ObjectListUnifiedIndexColumn(this));
col.Add(new ObjectListNameColumn(this));
col.Add(new ObjectListValueColumn(this));
col.Add(new ObjectListTypeColumn(this));
col.Add(new ObjectListObjectTypeColumn(this));
col.Add(new ObjectListNativeObjectNameLinkColumn(this));
col.Add(new ObjectListLengthColumn(this));
col.Add(new ObjectListStaticColumn(this));
col.Add(new ObjectListRefCountColumn(this));
col.Add(new ObjectListOwnedSizeColumn(this));
col.Add(new ObjectListTargetSizeColumn(this));
col.Add(new ObjectListNativeObjectSizeColumn(this));
col.Add(new ObjectListNativeInstanceIdLinkColumn(this));
col.Add(new ObjectListAddressColumn(this));
col.Add(new ObjectListUniqueStringColumn(this));
break;
case ObjectMetaType.Native:
col.Add(new ObjectListUnifiedIndexColumn(this));
col.Add(new ObjectListNameColumn(this));
col.Add(new ObjectListValueColumn(this));
col.Add(new ObjectListTypeColumn(this));
col.Add(new ObjectListNativeObjectNameColumn(this));
col.Add(new ObjectListObjectTypeColumn(this));
col.Add(new ObjectListRefCountColumn(this));
col.Add(new ObjectListOwnedSizeColumn(this));
col.Add(new ObjectListTargetSizeColumn(this));
col.Add(new ObjectListNativeInstanceIdColumn(this));
col.Add(new ObjectListAddressColumn(this));
col.Add(new ObjectListUniqueStringColumn(this));
break;
}
InitExpandColumn(col);
}
public SortedManagedObjectsCache(CachedSnapshot snapshot)
{
m_Snapshot = snapshot;
}
public void Clear()
{
m_Snapshot = null;
renderer.Clear();
}
public SortedNativeAllocationsCache(CachedSnapshot snapshot)
{
m_Snapshot = snapshot;
}
public static IEnumerator Crawl(CachedSnapshot snapshot)
{
const int stepCount = 5;
var status = new EnumerationUtilities.EnumerationStatus(stepCount);
IntermediateCrawlData crawlData = new IntermediateCrawlData(snapshot);
crawlData.ManagedObjectInfos.Capacity = (int)snapshot.gcHandles.Count * 3;
crawlData.ManagedConnections.Capacity = (int)snapshot.gcHandles.Count * 6;
//Gather handles and duplicates
status.StepStatus = "Gathering snapshot managed data.";
yield return(status);
GatherIntermediateCrawlData(snapshot, crawlData);
//crawl handle data
status.IncrementStep();
status.StepStatus = "Crawling GC handles.";
yield return(status);
while (crawlData.CrawlDataStack.Count > 0)
{
CrawlPointer(crawlData);
}
//crawl data pertaining to types with static fields and enqueue any heap objects
status.IncrementStep();
status.StepStatus = "Crawling data types with static fields";
yield return(status);
for (int i = 0; i < crawlData.TypesWithStaticFields.Count; i++)
{
var iTypeDescription = crawlData.TypesWithStaticFields[i];
var bytesOffset = new BytesAndOffset {
bytes = snapshot.typeDescriptions.staticFieldBytes[iTypeDescription], offset = 0, pointerSize = snapshot.virtualMachineInformation.pointerSize
};
CrawlRawObjectData(crawlData, bytesOffset, iTypeDescription, true, 0, -1);
}
//crawl handles belonging to static instances
status.IncrementStep();
status.StepStatus = "Crawling static instances heap data.";
yield return(status);
while (crawlData.CrawlDataStack.Count > 0)
{
CrawlPointer(crawlData);
}
//copy crawled object source data for duplicate objects
foreach (var i in crawlData.DuplicatedGCHandlesStack)
{
var ptr = snapshot.CrawledData.ManagedObjects[i].PtrObject;
snapshot.CrawledData.ManagedObjects[i] = snapshot.CrawledData.ManagedObjectByAddress[ptr];
}
//crawl connection data
status.IncrementStep();
status.StepStatus = "Crawling connection data";
yield return(status);
ConnectNativeToManageObject(crawlData);
AddupRawRefCount(crawlData.CachedMemorySnapshot);
}
public SortedNativeObjectsCache(CachedSnapshot snapshot)
{
m_Snapshot = snapshot;
}
public ObjectFieldTable(Schema schema, SnapshotObjectDataFormatter formatter, CachedSnapshot snapshot, ManagedData crawledData, ObjectData obj, ObjectMetaType metaType)
: base(schema, formatter, snapshot, crawledData, metaType)
{
this.obj = obj;
objBase = obj.GetBase(snapshot);
SetFieldsList(BuildFieldList());
InitObjectList();
}
private void SetManagedType(CachedSnapshot snapshot, int iType)
{
m_data.managed.iType = iType;
}