Index: chrome_frame/vtable_patch_manager.h |
diff --git a/chrome_frame/vtable_patch_manager.h b/chrome_frame/vtable_patch_manager.h |
deleted file mode 100644 |
index 3e9e65b209b1ab3c02b055ac507a87485d45ad05..0000000000000000000000000000000000000000 |
--- a/chrome_frame/vtable_patch_manager.h |
+++ /dev/null |
@@ -1,129 +0,0 @@ |
-// Copyright (c) 2009 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#ifndef CHROME_FRAME_VTABLE_PATCH_MANAGER_H_ |
-#define CHROME_FRAME_VTABLE_PATCH_MANAGER_H_ |
- |
-#include <windows.h> |
- |
-#include <list> |
- |
-#include "base/synchronization/lock.h" |
- |
-struct FunctionStub; |
- |
-// This namespace provides methods to patch VTable methods of COM interfaces. |
-namespace vtable_patch { |
- |
-// Internal implementation, exposed only for testing. |
-namespace internal { |
- |
-// Replaces *entry with new_proc iff *entry is curr_proc. |
-// Returns true iff *entry was rewritten. |
-// Note: does not crash on access violation. |
-bool ReplaceFunctionPointer(void** entry, void* new_proc, void* curr_proc); |
- |
-} // namespace internal |
- |
-// This structure represents information about one VTable method. |
-// We allocate an array of these structures per VTable that we patch to |
-// remember the original method. We also use this structure to actually |
-// describe the VTable patch functions |
-struct MethodPatchInfo { |
- int index_; |
- PROC method_; |
- FunctionStub* stub_; |
-}; |
- |
-// Patches methods in the passed in COM interface. The indexes of the |
-// methods to patch and the actual patch functions are described in the |
-// array pointed to by patches. |
-// @param[in] unknown The pointer of the COM interface to patch |
-// @param[in] patches An array of MethodPatchInfo structures describing |
-// the methods to patch and the patch functions. |
-// The last entry of patches must have index_ set to -1. |
-HRESULT PatchInterfaceMethods(void* unknown, MethodPatchInfo* patches); |
- |
-// Using the patch info provided in |patches| the function goes through the |
-// list of patched methods and modifies thunks so that they no longer point |
-// to a hook method but rather go straight through to the original target. |
-// The thunk itself is not destroyed to support chaining. |
-// @param[in] patches An array of MethodPatchInfo structures describing |
-// the methods to patch and the patch functions. |
-// The last entry of patches must have index_ set to -1. |
-HRESULT UnpatchInterfaceMethods(MethodPatchInfo* patches); |
- |
-// Disabled as we're not using it atm. |
-#if 0 |
-// Used when dynamically patching zero or more (usually more than 1) |
-// implementations of a particular interface. |
-class DynamicPatchManager { |
- public: |
- explicit DynamicPatchManager(const MethodPatchInfo* patch_prototype); |
- ~DynamicPatchManager(); |
- |
- // Returns S_OK if the object was successfully patched, S_FALSE if it was |
- // already patched or an error value if something bad happened. |
- HRESULT PatchObject(void* unknown); |
- |
- bool UnpatchAll(); |
- |
- protected: |
- struct PatchedObject { |
- void* vtable_; |
- MethodPatchInfo patch_info_[1]; |
- |
- // Used to match PatchedObject instances based on the vtable when |
- // searching through the patch list. |
- bool operator==(const PatchedObject& that) const { |
- return vtable_ == that.vtable_; |
- } |
- }; |
- |
- typedef std::list<PatchedObject*> PatchList; |
- const MethodPatchInfo* patch_prototype_; |
- mutable base::Lock patch_list_lock_; |
- PatchList patch_list_; |
-}; |
-#endif // disable DynamicPatchManager |
- |
-} // namespace vtable_patch |
- |
-// Begins the declaration of a VTable patch |
-// @param IFName The name of the interface to patch |
-#define BEGIN_VTABLE_PATCHES(IFName) \ |
- vtable_patch::MethodPatchInfo IFName##_PatchInfo[] = { |
-// Defines a single method patch in a VTable |
-// @param index The index of the method to patch |
-// @param PatchFunction The patch function |
-#define VTABLE_PATCH_ENTRY(index, PatchFunction) {\ |
- index, \ |
- reinterpret_cast<PROC>(PatchFunction), \ |
- NULL, \ |
- }, |
- |
-#define DCHECK_IS_NOT_PATCHED(IFName) \ |
- for (vtable_patch::MethodPatchInfo* it = IFName##_PatchInfo; \ |
- it->index_ != -1; ++it) { \ |
- DCHECK(it->stub_ == NULL); \ |
- } |
- |
-#define DCHECK_IS_PATCHED(IFName) \ |
- for (vtable_patch::MethodPatchInfo* it = IFName##_PatchInfo; \ |
- it->index_ != -1; ++it) { \ |
- DCHECK(it->stub_ != NULL); \ |
- } |
- |
-// Checks if the interface is patched. Note that only the first method |
-// is checked and subsequent methods are assumed to have the same state. |
-#define IS_PATCHED(IFName) \ |
- (IFName##_PatchInfo[0].stub_ != NULL) |
- |
-// Ends the declaration of a VTable patch by adding an entry with |
-// index set to -1. |
-#define END_VTABLE_PATCHES() \ |
- -1, NULL, NULL \ |
- }; |
- |
-#endif // CHROME_FRAME_VTABLE_PATCH_MANAGER_H_ |