Keep only base/extractor.[cc|h].

base/dynamic_link_dbghelp.cc

Index: base/dynamic_link_dbghelp.cc
diff --git a/base/dynamic_link_dbghelp.cc b/base/dynamic_link_dbghelp.cc
deleted file mode 100644
index 94307260aa6b38f49c4480292a1849e28e6e3fef..0000000000000000000000000000000000000000
--- a/base/dynamic_link_dbghelp.cc
+++ /dev/null
@@ -1,111 +0,0 @@
-// Copyright 2003-2009 Google Inc.
-//
-// 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,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-//
-// dynamic loading of dbghelp dll functions
-
-#include "omaha/base/debug.h"
-#include "omaha/base/dynamic_link_dbghelp.h"
-
-namespace omaha {
-
-BOOL (CALLBACK *Dbghelp::SymInitialize)(HANDLE, PCSTR, BOOL);
-BOOL (CALLBACK *Dbghelp::SymCleanup)(HANDLE);
-BOOL (CALLBACK *Dbghelp::SymEnumSymbols)(HANDLE, ULONG64, PCSTR, PSYM_ENUMERATESYMBOLS_CALLBACK, PVOID);
-DWORD (CALLBACK *Dbghelp::SymSetOptions)(DWORD);
-BOOL (CALLBACK *Dbghelp::SymSetContext)(HANDLE, PIMAGEHLP_STACK_FRAME, PIMAGEHLP_CONTEXT);
-BOOL (CALLBACK *Dbghelp::SymGetLineFromAddr)(HANDLE, DWORD, PDWORD, PIMAGEHLP_LINE);
-BOOL (CALLBACK *Dbghelp::SymGetLineFromAddr64)(HANDLE, DWORD64, PDWORD, PIMAGEHLP_LINE64);
-BOOL (CALLBACK *Dbghelp::SymFromAddr)(HANDLE, DWORD64, PDWORD64, PSYMBOL_INFO);
-BOOL (CALLBACK *Dbghelp::StackWalk64)(DWORD, HANDLE, HANDLE, LPSTACKFRAME64, PVOID, PREAD_PROCESS_MEMORY_ROUTINE64,
-        PFUNCTION_TABLE_ACCESS_ROUTINE64, PGET_MODULE_BASE_ROUTINE64, PTRANSLATE_ADDRESS_ROUTINE64);
-BOOL (CALLBACK *Dbghelp::StackWalk)(DWORD, HANDLE, HANDLE, LPSTACKFRAME, PVOID, PREAD_PROCESS_MEMORY_ROUTINE,
-        PFUNCTION_TABLE_ACCESS_ROUTINE, PGET_MODULE_BASE_ROUTINE, PTRANSLATE_ADDRESS_ROUTINE);
-PVOID (CALLBACK *Dbghelp::SymFunctionTableAccess64)(HANDLE, DWORD64);
-PVOID (CALLBACK *Dbghelp::SymFunctionTableAccess)(HANDLE, DWORD);
-DWORD64 (CALLBACK *Dbghelp::SymGetModuleBase64)(HANDLE, DWORD64);
-DWORD64 (CALLBACK *Dbghelp::SymGetModuleBase)(HANDLE, DWORD);
-BOOL (CALLBACK *Dbghelp::SymGetTypeInfo)(HANDLE, DWORD64, ULONG, IMAGEHLP_SYMBOL_TYPE_INFO, PVOID);
-BOOL (CALLBACK *Dbghelp::MiniDumpWriteDump)(HANDLE, DWORD, HANDLE, MINIDUMP_TYPE, PMINIDUMP_EXCEPTION_INFORMATION,
-        PMINIDUMP_USER_STREAM_INFORMATION, PMINIDUMP_CALLBACK_INFORMATION);
-
-Dbghelp::LoadedState Dbghelp::loaded_state_ = Dbghelp::NOT_LOADED;
-HINSTANCE Dbghelp::library_ = NULL;
-
-template <typename T>
-bool Dbghelp::GPA(const char * function_name, T& function_pointer) {
-  ASSERT(function_name, (L""));
-
-  function_pointer = reinterpret_cast<T>(::GetProcAddress(library_,
-                                                          function_name));
-  return function_pointer != NULL;
-}
-
-HRESULT Dbghelp::Load() {
-  // If we've already tried to load, don't try again.
-  if (loaded_state_ != NOT_LOADED) goto Exit;
-
-  Clear();
-
-  // UTIL_LOG((L2, _T("dbghelp loading")));
-  library_ = ::LoadLibrary(_T("dbghelp"));
-  // UTIL_LOG((L2, _T("dbghelp loaded")));
-
-  if (!library_) return E_FAIL;
-
-  bool all_valid = (GPA("SymInitialize", SymInitialize))
-    & (GPA("SymCleanup", SymCleanup))
-    & (GPA("SymSetOptions", SymSetOptions))
-    & (GPA("SymGetLineFromAddr", SymGetLineFromAddr))
-    & (GPA("SymGetLineFromAddr64", SymGetLineFromAddr64))
-    & (GPA("StackWalk", StackWalk))
-    & (GPA("StackWalk64", StackWalk64))
-    & (GPA("SymFunctionTableAccess", SymFunctionTableAccess))
-    & (GPA("SymFunctionTableAccess64", SymFunctionTableAccess64))
-    & (GPA("SymGetModuleBase", SymGetModuleBase))
-    & (GPA("SymGetModuleBase64", SymGetModuleBase64))
-    & (GPA("MiniDumpWriteDump", MiniDumpWriteDump));
-
-  // These are not supported in the Win2k version of DbgHelp;
-  // failing to load them is not an error.
-  GPA("SymEnumSymbols", SymEnumSymbols);
-  GPA("SymGetTypeInfo", SymGetTypeInfo);
-  GPA("SymSetContext", SymSetContext);
-  GPA("SymFromAddr", SymFromAddr);
-
-  if (!all_valid) Unload();
-  loaded_state_ = all_valid ? LOAD_SUCCEEDED : LOAD_FAILED;
-
- Exit:
-  return (loaded_state_ == LOAD_SUCCEEDED) ? S_OK : E_FAIL;
-}
-
-void Dbghelp::Unload() {
-  if (library_) {
-    VERIFY(::FreeLibrary(library_), (L""));
-
-    // Must set library_ to NULL so that Loaded() will return FALSE.
-    library_ = NULL;
-    }
-  Clear();
-}
-
-void Dbghelp::Clear() {
-  // just clear the main entry points
-  SymInitialize = NULL;
-  MiniDumpWriteDump = NULL;
-}
-
-}  // namespace omaha
-