/// <summary>
/// Returns true if the given address space is a minidump.
/// </summary>
/// <param name="addressSpace">The address space to check.</param>
/// <param name="position">The position of the minidump.</param>
/// <returns>True if the address space is a minidump, false otherwise.</returns>
public static bool IsValidMinidump(IAddressSpace addressSpace, ulong position = 0)
{
Reader headerReader = new Reader(addressSpace);
MinidumpHeader header = headerReader.Read <MinidumpHeader>(position);
return(header.IsSignatureValid.Check());
}
/// <summary>
/// Constructor. This constructor will throw exceptions if the file is not a minidump or contains corrupted data
/// which interferes with parsing it.
/// </summary>
/// <param name="addressSpace">The memory which backs this object.</param>
/// <param name="position">The offset within addressSpace this minidump is located at.</param>
public Minidump(IAddressSpace addressSpace, ulong position = 0)
{
_dataSource = addressSpace;
_position = position;
Reader headerReader = new Reader(_dataSource);
_header = headerReader.Read <MinidumpHeader>(_position);
_header.IsSignatureValid.CheckThrowing();
int systemIndex = -1;
_directory = new MinidumpDirectory[_header.NumberOfStreams];
ulong streamPos = _position + _header.StreamDirectoryRva;
for (int i = 0; i < _directory.Length; i++)
{
_directory[i] = headerReader.Read <MinidumpDirectory>(ref streamPos);
var streamType = _directory[i].StreamType;
if (streamType == MinidumpStreamType.SystemInfoStream)
{
Debug.Assert(systemIndex == -1);
systemIndex = i;
}
else if (streamType == MinidumpStreamType.ModuleListStream)
{
Debug.Assert(_moduleListStream == -1);
_moduleListStream = i;
}
}
if (systemIndex == -1)
{
throw new BadInputFormatException("Minidump does not contain a MINIDUMP_SYSTEM_INFO stream");
}
_systemInfo = headerReader.Read <MinidumpSystemInfo>(_position + _directory[systemIndex].Rva);
_dataSourceReader = new Reader(_dataSource, new LayoutManager().AddCrashDumpTypes(false, Is64Bit));
_loadedImages = new Lazy <List <MinidumpLoadedImage> >(CreateLoadedImageList);
_memoryRanges = new Lazy <List <MinidumpSegment> >(CreateSegmentList);
_virtualAddressReader = new Lazy <Reader>(CreateVirtualAddressReader);
}
