// Get a DumpPointer from a MINIDUMP_LOCATION_DESCRIPTOR
protected internal DumpPointer TranslateDescriptor(MINIDUMP_LOCATION_DESCRIPTOR location)
{
// A Location has both an RVA and Size. If we just TranslateRVA, then that would be a
// DumpPointer associated with a larger size (to the end of the dump-file).
DumpPointer p = TranslateRVA(location.Rva);
p.Shrink(location.DataSize);
return(p);
}
internal void GetThreadContext(MINIDUMP_LOCATION_DESCRIPTOR loc, IntPtr buffer, int sizeBufferBytes)
{
if (loc.IsNull)
{
throw new ClrDiagnosticsException("Context not present", ClrDiagnosticsExceptionKind.CrashDumpError);
}
DumpPointer pContext = TranslateDescriptor(loc);
int sizeContext = (int)loc.DataSize;
if (sizeBufferBytes < sizeContext)
{
// Context size doesn't match
throw new ClrDiagnosticsException(
"Context size mismatch. Expected = 0x" + sizeBufferBytes.ToString("x") + ", Size in dump = 0x" + sizeContext.ToString("x"),
ClrDiagnosticsExceptionKind.CrashDumpError);
}
// Now copy from dump into buffer.
pContext.Copy(buffer, (uint)sizeContext);
}
