/// <summary>
/// Scans the Memory64Stream looking for a single descriptor that contains a range of memory.
/// </summary>
/// <param name="memory64Stream">The Memory64Stream to search.</param>
/// <param name="startAddress">Start address of the range being searched for.</param>
/// <param name="endAddress">End address of the range being searched for.</param>
/// <returns>The offset (relative to the start of the minidump) to start reading from if a descriptor was found, 0 otherwise.</returns>
/// <remarks>
/// This function searches for memory descriptors that contain the entire range of memory being searched for. If
/// the range being searched for spans more than one descriptor <see cref="System.Diagnostics.Debug.Fail(string)"/> will run
/// and execution will halt. If a matching range is not found then 0 will be returned.
/// </remarks>
public static ulong FindMemory64Block(MiniDumpMemory64Stream memory64Stream, ulong startAddress, ulong endAddress)
{
ulong offsetToReadFrom = memory64Stream.BaseRva;
bool matchFound = false;
foreach (var memoryDescriptor in memory64Stream.MemoryRanges)
{
// This method only caters for full blocks of memory at the moment, thus any matching block will be an exact match
// to the startAddress/endAddress passed in.
if ((startAddress == memoryDescriptor.StartOfMemoryRange) && (endAddress == memoryDescriptor.EndOfMemoryRange))
{
// This can be used later for memory ranges that span more than one descriptor.
if (endAddress > memoryDescriptor.EndOfMemoryRange)
{
System.Diagnostics.Debug.Fail($"Found descriptor for {memoryDescriptor.DataSize} bytes starting at {memoryDescriptor.StartOfMemoryRange}, but needed {endAddress - startAddress} bytes.");
}
// This method only caters for full blocks of memory at the moment, so no need to read within a region.
//offsetToReadFrom += (startAddress - memoryDescriptor.StartOfMemoryRange);
matchFound = true;
break;
}
offsetToReadFrom += memoryDescriptor.DataSize;
}
if (matchFound)
{
return(offsetToReadFrom);
}
else
{
return(0);
}
}
private void CmdDisplayStream(string streamName)
{
UserControl viewToDisplay = null;
int numberOfItems = 0;
string nodeText = String.Empty; // Quick fix for duplicated item counts in node text
switch (streamName)
{
case "Summary":
nodeText = string.Empty;
viewToDisplay = new SummaryView(_miniDumpFile);
break;
case "Handles":
nodeText = "Handles";
MiniDumpHandleDescriptor[] handleData = this._miniDumpFile.ReadHandleData();
numberOfItems = handleData.Length;
viewToDisplay = new HandleDataView(handleData);
break;
case "Modules":
nodeText = "Modules";
MiniDumpModule[] moduleData = this._miniDumpFile.ReadModuleList();
numberOfItems = moduleData.Length;
viewToDisplay = new ModulesView(moduleData);
break;
case "Threads":
nodeText = "Threads";
MiniDumpThread[] threadData = this._miniDumpFile.ReadThreadList();
numberOfItems = threadData.Length;
viewToDisplay = new ThreadListView(threadData);
break;
case "ThreadInfo":
nodeText = "ThreadInfo";
MiniDumpThreadInfo[] threadInfoData = this._miniDumpFile.ReadThreadInfoList();
numberOfItems = threadInfoData.Length;
viewToDisplay = new ThreadInfoListView(threadInfoData);
break;
case "ThreadNames":
nodeText = "ThreadNames";
MiniDumpThreadNamesStream threadNamesStream = this._miniDumpFile.ReadThreadNamesStream();
numberOfItems = threadNamesStream.Entries.Count;
viewToDisplay = new ThreadNamesView(threadNamesStream);
break;
case "Memory":
nodeText = "Memory";
MiniDumpMemoryDescriptor[] memoryData = this._miniDumpFile.ReadMemoryList();
numberOfItems = memoryData.Length;
viewToDisplay = new MemoryListView(memoryData);
break;
case "Memory64":
nodeText = "Memory64";
MiniDumpMemory64Stream memory64Data = this._miniDumpFile.ReadMemory64List();
numberOfItems = memory64Data.MemoryRanges.Length;
viewToDisplay = new MemoryList64View(memory64Data.MemoryRanges);
break;
case "MemoryInfo":
nodeText = "MemoryInfo";
MiniDumpMemoryInfoStream memoryInfo = this._miniDumpFile.ReadMemoryInfoList();
numberOfItems = memoryInfo.Entries.Length;
viewToDisplay = new MemoryInfoView(memoryInfo, _miniDumpFile);
break;
case "MiscInfo":
nodeText = "MiscInfo";
MiniDumpMiscInfo miscInfo = this._miniDumpFile.ReadMiscInfo();
numberOfItems = 1;
viewToDisplay = new MiscInfoView(miscInfo);
break;
case "SystemInfo":
nodeText = "SystemInfo";
MiniDumpSystemInfoStream systemInfo = this._miniDumpFile.ReadSystemInfo();
numberOfItems = 1;
viewToDisplay = new SystemInfoView(systemInfo);
break;
case "Exception":
nodeText = "Exception";
MiniDumpExceptionStream exceptionStream = this._miniDumpFile.ReadExceptionStream();
numberOfItems = (exceptionStream == null) ? 0 : 1;
viewToDisplay = new ExceptionStreamView(exceptionStream);
break;
case "UnloadedModules":
nodeText = "UnloadedModules";
MiniDumpUnloadedModulesStream unloadedModulesStream = this._miniDumpFile.ReadUnloadedModuleList();
numberOfItems = (int)unloadedModulesStream.NumberOfEntries;
viewToDisplay = new UnloadedModulesView(unloadedModulesStream);
break;
case "SystemMemoryInfo":
nodeText = "SystemMemoryInfo";
MiniDumpSystemMemoryInfo systemMemoryInfo = this._miniDumpFile.ReadSystemMemoryInfo();
numberOfItems = 1;
viewToDisplay = new SystemMemoryInfoView(systemMemoryInfo);
break;
case "CommentW":
nodeText = "CommentW";
MiniDumpCommentStreamW commentWStream = this._miniDumpFile.ReadCommentStreamW();
numberOfItems = string.IsNullOrEmpty(commentWStream.Comment) ? 0 : 1;
viewToDisplay = new CommentStreamWView(commentWStream);
break;
}
if (viewToDisplay != null)
{
if (nodeText != string.Empty)
{
treeView1.SelectedNode.Text = nodeText + " (" + numberOfItems + (numberOfItems == 1 ? " item" : " items") + ")";
}
if (this.splitContainer1.Panel2.Controls.Count > 0)
{
this.splitContainer1.Panel2.Controls.RemoveAt(0);
}
viewToDisplay.Dock = DockStyle.Fill;
this.splitContainer1.Panel2.Controls.Add(viewToDisplay);
}
}
