Get rid of webrtc/base/latebindingsymboltable*

webrtc/base/latebindingsymboltable.cc

Index: webrtc/base/latebindingsymboltable.cc
diff --git a/webrtc/base/latebindingsymboltable.cc b/webrtc/base/latebindingsymboltable.cc
deleted file mode 100644
index 030f7208c2a3222d96a1ea5b0e1203b67cdabc25..0000000000000000000000000000000000000000
--- a/webrtc/base/latebindingsymboltable.cc
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/base/latebindingsymboltable.h"
-
-#if defined(WEBRTC_POSIX)
-#include <dlfcn.h>
-#endif
-
-#include "webrtc/base/logging.h"
-
-namespace rtc {
-
-#if defined(WEBRTC_POSIX)
-static const DllHandle kInvalidDllHandle = NULL;
-#else
-#error Not implemented
-#endif
-
-static const char *GetDllError() {
-#if defined(WEBRTC_POSIX)
-  const char *err = dlerror();
-  if (err) {
-    return err;
-  } else {
-    return "No error";
-  }
-#else
-#error Not implemented
-#endif
-}
-
-static bool LoadSymbol(DllHandle handle,
-                       const char *symbol_name,
-                       void **symbol) {
-#if defined(WEBRTC_POSIX)
-  *symbol = dlsym(handle, symbol_name);
-  const char *err = dlerror();
-  if (err) {
-    LOG(LS_ERROR) << "Error loading symbol " << symbol_name << ": " << err;
-    return false;
-  } else if (!*symbol) {
-    // ELF allows for symbols to be NULL, but that should never happen for our
-    // usage.
-    LOG(LS_ERROR) << "Symbol " << symbol_name << " is NULL";
-    return false;
-  }
-  return true;
-#else
-#error Not implemented
-#endif
-}
-
-LateBindingSymbolTable::LateBindingSymbolTable(const TableInfo *info,
-    void **table)
-    : info_(info),
-      table_(table),
-      handle_(kInvalidDllHandle),
-      undefined_symbols_(false) {
-  ClearSymbols();
-}
-
-LateBindingSymbolTable::~LateBindingSymbolTable() {
-  Unload();
-}
-
-bool LateBindingSymbolTable::IsLoaded() const {
-  return handle_ != kInvalidDllHandle;
-}
-
-bool LateBindingSymbolTable::Load() {
-  ASSERT(info_->dll_name != NULL);
-  return LoadFromPath(info_->dll_name);
-}
-
-bool LateBindingSymbolTable::LoadFromPath(const char *dll_path) {
-  if (IsLoaded()) {
-    return true;
-  }
-  if (undefined_symbols_) {
-    // We do not attempt to load again because repeated attempts are not
-    // likely to succeed and DLL loading is costly.
-    LOG(LS_ERROR) << "We know there are undefined symbols";
-    return false;
-  }
-
-#if defined(WEBRTC_POSIX)
-  handle_ = dlopen(dll_path,
-                   // RTLD_NOW front-loads symbol resolution so that errors are
-                   // caught early instead of causing a process abort later.
-                   // RTLD_LOCAL prevents other modules from automatically
-                   // seeing symbol definitions in the newly-loaded tree. This
-                   // is necessary for same-named symbols in different ABI
-                   // versions of the same library to not explode.
-                   RTLD_NOW|RTLD_LOCAL
-#if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID) && defined(RTLD_DEEPBIND)
-                   // RTLD_DEEPBIND makes symbol dependencies in the
-                   // newly-loaded tree prefer to resolve to definitions within
-                   // that tree (the default on OS X). This is necessary for
-                   // same-named symbols in different ABI versions of the same
-                   // library to not explode.
-                   |RTLD_DEEPBIND
-#endif
-                   );  // NOLINT
-#else
-#error Not implemented
-#endif
-
-  if (handle_ == kInvalidDllHandle) {
-    LOG(LS_WARNING) << "Can't load " << dll_path << ": "
-                    << GetDllError();
-    return false;
-  }
-#if defined(WEBRTC_POSIX)
-  // Clear any old errors.
-  dlerror();
-#endif
-  for (int i = 0; i < info_->num_symbols; ++i) {
-    if (!LoadSymbol(handle_, info_->symbol_names[i], &table_[i])) {
-      undefined_symbols_ = true;
-      Unload();
-      return false;
-    }
-  }
-  return true;
-}
-
-void LateBindingSymbolTable::Unload() {
-  if (!IsLoaded()) {
-    return;
-  }
-
-#if defined(WEBRTC_POSIX)
-  if (dlclose(handle_) != 0) {
-    LOG(LS_ERROR) << GetDllError();
-  }
-#else
-#error Not implemented
-#endif
-
-  handle_ = kInvalidDllHandle;
-  ClearSymbols();
-}
-
-void LateBindingSymbolTable::ClearSymbols() {
-  memset(table_, 0, sizeof(void *) * info_->num_symbols);
-}
-
-}  // namespace rtc