chrome_frame/crash_reporting/nt_loader.cc

   1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 #include "chrome_frame/crash_reporting/nt_loader.h"
   5
   6 #include <winnt.h>
   7 #include <winternl.h>
   8 #include "base/logging.h"
   9
  10 namespace nt_loader {
  11
  12 LDR_DATA_TABLE_ENTRY* GetLoaderEntry(HMODULE module) {
  13   // Make sure we own the loader's lock on entry here.
  14   DCHECK(OwnsCriticalSection(GetLoaderLock()));
  15   PEB* peb = GetCurrentPeb();
  16
  17   LIST_ENTRY* head = &peb->Ldr->InLoadOrderModuleList;
  18   for (LIST_ENTRY* entry = head->Flink; entry != head; entry = entry->Flink) {
  19     LDR_DATA_TABLE_ENTRY* ldr_entry =
  20         CONTAINING_RECORD(entry, LDR_DATA_TABLE_ENTRY, InLoadOrderLinks);
  21
  22     if (reinterpret_cast<HMODULE>(ldr_entry->DllBase) == module)
  23       return ldr_entry;
  24   }
  25
  26   return NULL;
  27 }
  28
  29 }  // namespace nt_loader