1 files changed, 0 insertions, 89 deletions
diff --git a/chrome_elf/ntdll_cache.cc b/chrome_elf/ntdll_cache.cc
deleted file mode 100644
index a0429a4..0000000
--- a/chrome_elf/ntdll_cache.cc
+++ /dev/null
@@ -1,89 +0,0 @@
-// Copyright 2013 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.
-
-#include "chrome_elf/ntdll_cache.h"
-
-#include <stdint.h>
-#include <windows.h>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/win/pe_image.h"
-#include "chrome_elf/thunk_getter.h"
-#include "sandbox/win/src/interception_internal.h"
-#include "sandbox/win/src/internal_types.h"
-#include "sandbox/win/src/service_resolver.h"
-
-FunctionLookupTable g_ntdll_lookup;
-
-// Allocate storage for thunks in a page of this module to save on doing
-// an extra allocation at run time.
-#pragma section(".crthunk",read,execute)
-__declspec(allocate(".crthunk")) sandbox::ThunkData g_nt_thunk_storage;
-
-
-
-namespace {
-
-bool EnumExportsCallback(const base::win::PEImage& image,
-                         DWORD ordinal,
-                         DWORD hint,
-                         LPCSTR name,
-                         PVOID function_addr,
-                         LPCSTR forward,
-                         PVOID cookie) {
-  // Our lookup only cares about named functions that are in ntdll, so skip
-  // unnamed or forwarded exports.
-  if (name && function_addr)
-    g_ntdll_lookup[std::string(name)] = function_addr;
-
-  return true;
-}
-
-}  // namespace
-
-void InitCache() {
-  HMODULE ntdll_handle = ::GetModuleHandle(L"ntdll.dll");
-
-  base::win::PEImage ntdll_image(ntdll_handle);
-
-  ntdll_image.EnumExports(EnumExportsCallback, NULL);
-
-  // If ntdll has already been patched, don't copy it.
-  const bool kRelaxed = false;
-
-  // Create a thunk via the appropriate ServiceResolver instance.
-  scoped_ptr<sandbox::ServiceResolverThunk> thunk(GetThunk(kRelaxed));
-
-  if (thunk.get()) {
-    BYTE* thunk_storage = reinterpret_cast<BYTE*>(&g_nt_thunk_storage);
-
-    // Mark the thunk storage as readable and writeable, since we
-    // are ready to write to it.
-    DWORD old_protect = 0;
-    if (!::VirtualProtect(&g_nt_thunk_storage,
-                          sizeof(g_nt_thunk_storage),
-                          PAGE_EXECUTE_READWRITE,
-                          &old_protect)) {
-      return;
-    }
-
-    size_t storage_used = 0;
-    NTSTATUS ret = thunk->CopyThunk(::GetModuleHandle(sandbox::kNtdllName),
-                                    "NtCreateFile",
-                                    thunk_storage,
-                                    sizeof(sandbox::ThunkData),
-                                    &storage_used);
-
-    if (!NT_SUCCESS(ret)) {
-      memset(&g_nt_thunk_storage, 0, sizeof(g_nt_thunk_storage));
-    }
-
-    // Ensure that the pointer to the old function can't be changed.
-    ::VirtualProtect(&g_nt_thunk_storage,
-                     sizeof(g_nt_thunk_storage),
-                     PAGE_EXECUTE_READ,
-                     &old_protect);
-  }
-}