win: Capture some CRITICAL_SECTION debugging data

util/win/process_structs.h

 // Copyright 2015 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 214 matching lines @@
   typename Traits::Pointer TlsBitmap;
   DWORD TlsBitmapBits[2];
   typename Traits::Pointer ReadOnlySharedMemoryBase;
   typename Traits::Pointer SparePvoid0;
   typename Traits::Pointer ReadOnlyStaticServerData;
   typename Traits::Pointer AnsiCodePageData;
   typename Traits::Pointer OemCodePageData;
   typename Traits::Pointer UnicodeCaseTableData;
   DWORD NumberOfProcessors;
   DWORD NtGlobalFlag;
+  DWORD alignment_for_x86;
   LARGE_INTEGER CriticalSectionTimeout;
   typename Traits::UnsignedIntegral HeapSegmentReserve;
   typename Traits::UnsignedIntegral HeapSegmentCommit;
   typename Traits::UnsignedIntegral HeapDeCommitTotalFreeThreshold;
   typename Traits::UnsignedIntegral HeapDeCommitFreeBlockThreshold;
   DWORD NumberOfHeaps;
   DWORD MaximumNumberOfHeaps;
   typename Traits::Pointer ProcessHeaps;
   typename Traits::Pointer GdiSharedHandleTable;
   typename Traits::Pointer ProcessStarterHelper;
@@ skipping 202 matching lines @@
 
 template <class Traits>
 struct EXCEPTION_POINTERS {
   typename Traits::Pointer ExceptionRecord;
   typename Traits::Pointer ContextRecord;
 };
 
 using EXCEPTION_POINTERS32 = EXCEPTION_POINTERS<internal::Traits32>;
 using EXCEPTION_POINTERS64 = EXCEPTION_POINTERS<internal::Traits64>;
 
+// This is defined in winnt.h, but not for cross-bitness.
+template <class Traits>
+struct RTL_CRITICAL_SECTION {
+  typename Traits::Pointer DebugInfo;
+  LONG LockCount;
+  LONG RecursionCount;
+  typename Traits::Pointer OwningThread;
+  typename Traits::Pointer LockSemaphore;
+  typename Traits::UnsignedIntegral SpinCount;
+};
+
+template <class Traits>
+struct RTL_CRITICAL_SECTION_DEBUG {
+  union {
+    struct {
+      WORD Type;
+      WORD CreatorBackTraceIndex;
+    };
+    typename Traits::Pad alignment_for_x64;
+  };
+  typename Traits::Pointer CriticalSection;
+  LIST_ENTRY<Traits> ProcessLocksList;
+  DWORD EntryCount;
+  DWORD ContentionCount;
+  DWORD Flags;
+  WORD CreatorBackTraceIndexHigh;
+  WORD SpareWORD;
+};
+
 #pragma pack(pop)
 
 //! \}
 
 }  // namespace process_types
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_WIN_PROCESS_STRUCTS_H_