sandbox/win/wow_helper/target_code.h

   1 // Copyright (c) 2006-2008 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
   5 #ifndef SANDBOX_WOW_HELPER_TARGET_CODE_H__
   6 #define SANDBOX_WOW_HELPER_TARGET_CODE_H__
   7
   8 #include "sandbox/win/src/nt_internals.h"
   9
  10 namespace sandbox {
  11
  12 extern "C" {
  13
  14 // Holds the information needed for the interception of NtMapViewOfSection.
  15 // Changes of this structure must be synchronized with changes of PatchInfo32
  16 // on sandbox/win/src/wow64.cc.
  17 struct PatchInfo {
  18   HANDLE dll_load;  // Event to signal the broker.
  19   HANDLE continue_load;  // Event to wait for the broker.
  20   HANDLE section;  // First argument of the call.
  21   NtMapViewOfSectionFunction orig_MapViewOfSection;
  22   NtSignalAndWaitForSingleObjectFunction signal_and_wait;
  23   void* patch_location;
  24 };
  25
  26 // Interception of NtMapViewOfSection on the child process.
  27 // It should never be called directly. This function provides the means to
  28 // detect dlls being loaded, so we can patch them if needed.
  29 NTSTATUS WINAPI TargetNtMapViewOfSection(
  30     PatchInfo* patch_info, HANDLE process, PVOID* base, ULONG_PTR zero_bits,
  31     SIZE_T commit_size, PLARGE_INTEGER offset, PSIZE_T view_size,
  32     SECTION_INHERIT inherit, ULONG allocation_type, ULONG protect);
  33
  34 // Marker of the end of TargetNtMapViewOfSection.
  35 NTSTATUS WINAPI TargetEnd();
  36
  37 } // extern "C"
  38
  39 }  // namespace sandbox
  40
  41 #endif  // SANDBOX_WOW_HELPER_TARGET_CODE_H__