unsafe public int GetFieldValue(ulong moduleBase, uint typeId, string fieldName, ulong structureAddress, out ulong fieldValue)
{
int hr;
fieldValue = 0;
_EXT_TYPED_DATA symbolTypedData;
symbolTypedData.Operation = _EXT_TDOP.EXT_TDOP_SET_FROM_TYPE_ID_AND_U64;
symbolTypedData.InData.ModBase = moduleBase;
symbolTypedData.InData.TypeId = typeId;
symbolTypedData.InData.Offset = structureAddress;
if (FAILED(hr = Advanced.Request(DEBUG_REQUEST.EXT_TYPED_DATA_ANSI, &symbolTypedData, sizeof(_EXT_TYPED_DATA), &symbolTypedData, sizeof(_EXT_TYPED_DATA), null)))
{
return(hr);
}
IntPtr buffer = IntPtr.Zero;
IntPtr memPtr = IntPtr.Zero;
try {
_EXT_TYPED_DATA temporaryTypedDataForBufferConstruction;
memPtr = Marshal.StringToHGlobalAnsi(fieldName);
int totalSize = sizeof(_EXT_TYPED_DATA) + fieldName.Length + 1; //+1 to account for the null terminator
buffer = Marshal.AllocHGlobal(totalSize);
temporaryTypedDataForBufferConstruction.Operation = _EXT_TDOP.EXT_TDOP_GET_FIELD;
temporaryTypedDataForBufferConstruction.InData = symbolTypedData.OutData;
temporaryTypedDataForBufferConstruction.InStrIndex = (uint)sizeof(_EXT_TYPED_DATA);
Utilities.CopyMemory(buffer, (IntPtr)(&temporaryTypedDataForBufferConstruction), sizeof(_EXT_TYPED_DATA));
Utilities.CopyMemory(buffer + sizeof(_EXT_TYPED_DATA), memPtr, fieldName.Length + 1);
if (FAILED(hr = Advanced.Request(DEBUG_REQUEST.EXT_TYPED_DATA_ANSI, (void *)buffer, totalSize, (void *)buffer, totalSize, null)))
{
return(hr);
}
var typedDataInClassForm = (_EXT_TYPED_DATA)Marshal.PtrToStructure(buffer, typeof(_EXT_TYPED_DATA));
fieldValue = typedDataInClassForm.OutData.Data;
}
finally {
Marshal.FreeHGlobal(buffer);
Marshal.FreeHGlobal(memPtr);
}
return(S_OK);
}
private _EXT_TYPED_DATA PerformRequest(_EXT_TYPED_DATA payload, byte[] additionalPayload)
{
var payloadBuffer = ToBytes(payload, additionalPayload);
var resultBuffer = new byte[Defaults.BufferSize * 50];
int outSize;
var hr = _advanced.Request(DEBUG_REQUEST.EXT_TYPED_DATA_ANSI, payloadBuffer, payloadBuffer.Length, resultBuffer, Defaults.BufferSize * 50, out outSize);
return(FromBytes(resultBuffer));
}
/// <summary>
/// Requests the specified request type.
/// </summary>
/// <param name="client">The DbgEng.dll Advanced interface.</param>
/// <param name="requestType">Type of the request.</param>
/// <param name="request">The request.</param>
/// <returns></returns>
public static EXT_TYPED_DATA Request(this IDebugAdvanced3 client, DebugRequest requestType, EXT_TYPED_DATA request)
{
using (var requestNative = new MarshalStructure <EXT_TYPED_DATA>())
{
uint outSize;
requestNative.Structure = request;
client.Request(requestType, requestNative.Pointer, requestNative.USize, requestNative.Pointer, requestNative.USize, out outSize);
return(requestNative.Structure);
}
}
/// <summary>
/// Requests the specified request type with extended structure.
/// </summary>
/// <param name="client">The DbgEng.dll Advanced interface.</param>
/// <param name="requestType">Type of the request.</param>
/// <param name="request">The request.</param>
/// <param name="extended">The extended string.</param>
public static EXT_TYPED_DATA RequestExtended(this IDebugAdvanced3 client, DebugRequest requestType, EXT_TYPED_DATA request, string extended)
{
using (var requestNative = new MarshalStructureExtendedWithAnsiString <EXT_TYPED_DATA>())
{
uint outSize;
requestNative.Extended = extended;
requestNative.Structure = request;
client.Request(requestType, requestNative.Pointer, requestNative.USize, requestNative.Pointer, requestNative.USize, out outSize);
return(requestNative.Structure);
}
}
