| Index: base/android/library_loader/library_loader_hooks.cc
|
| diff --git a/base/android/library_loader/library_loader_hooks.cc b/base/android/library_loader/library_loader_hooks.cc
|
| deleted file mode 100644
|
| index 0313f70f4beb730a5b3f30815222d212c5f30cb7..0000000000000000000000000000000000000000
|
| --- a/base/android/library_loader/library_loader_hooks.cc
|
| +++ /dev/null
|
| @@ -1,170 +0,0 @@
|
| -// Copyright 2014 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 "base/android/library_loader/library_loader_hooks.h"
|
| -
|
| -#include "base/android/command_line_android.h"
|
| -#include "base/android/jni_string.h"
|
| -#include "base/android/library_loader/library_load_from_apk_status_codes.h"
|
| -#include "base/android/library_loader/library_prefetcher.h"
|
| -#include "base/at_exit.h"
|
| -#include "base/metrics/histogram.h"
|
| -#include "jni/LibraryLoader_jni.h"
|
| -
|
| -namespace base {
|
| -namespace android {
|
| -
|
| -namespace {
|
| -
|
| -base::AtExitManager* g_at_exit_manager = NULL;
|
| -const char* g_library_version_number = "";
|
| -LibraryLoadedHook* g_registration_callback = NULL;
|
| -
|
| -enum RendererHistogramCode {
|
| - // Renderer load at fixed address success, fail, or not attempted.
|
| - // Renderers do not attempt to load at at fixed address if on a
|
| - // low-memory device on which browser load at fixed address has already
|
| - // failed.
|
| - LFA_SUCCESS = 0,
|
| - LFA_BACKOFF_USED = 1,
|
| - LFA_NOT_ATTEMPTED = 2,
|
| -
|
| - // End sentinel, also used as nothing-pending indicator.
|
| - MAX_RENDERER_HISTOGRAM_CODE = 3,
|
| - NO_PENDING_HISTOGRAM_CODE = MAX_RENDERER_HISTOGRAM_CODE
|
| -};
|
| -
|
| -enum BrowserHistogramCode {
|
| - // Non-low-memory random address browser loads.
|
| - NORMAL_LRA_SUCCESS = 0,
|
| -
|
| - // Low-memory browser loads at fixed address, success or fail.
|
| - LOW_MEMORY_LFA_SUCCESS = 1,
|
| - LOW_MEMORY_LFA_BACKOFF_USED = 2,
|
| -
|
| - MAX_BROWSER_HISTOGRAM_CODE = 3,
|
| -};
|
| -
|
| -RendererHistogramCode g_renderer_histogram_code = NO_PENDING_HISTOGRAM_CODE;
|
| -
|
| -// The amount of time, in milliseconds, that it took to load the shared
|
| -// libraries in the renderer. Set in
|
| -// RegisterChromiumAndroidLinkerRendererHistogram.
|
| -long g_renderer_library_load_time_ms = 0;
|
| -
|
| -} // namespace
|
| -
|
| -static void RegisterChromiumAndroidLinkerRendererHistogram(
|
| - JNIEnv* env,
|
| - jobject jcaller,
|
| - jboolean requested_shared_relro,
|
| - jboolean load_at_fixed_address_failed,
|
| - jlong library_load_time_ms) {
|
| - // Note a pending histogram value for later recording.
|
| - if (requested_shared_relro) {
|
| - g_renderer_histogram_code = load_at_fixed_address_failed
|
| - ? LFA_BACKOFF_USED : LFA_SUCCESS;
|
| - } else {
|
| - g_renderer_histogram_code = LFA_NOT_ATTEMPTED;
|
| - }
|
| -
|
| - g_renderer_library_load_time_ms = library_load_time_ms;
|
| -}
|
| -
|
| -void RecordChromiumAndroidLinkerRendererHistogram() {
|
| - if (g_renderer_histogram_code == NO_PENDING_HISTOGRAM_CODE)
|
| - return;
|
| - // Record and release the pending histogram value.
|
| - UMA_HISTOGRAM_ENUMERATION("ChromiumAndroidLinker.RendererStates",
|
| - g_renderer_histogram_code,
|
| - MAX_RENDERER_HISTOGRAM_CODE);
|
| - g_renderer_histogram_code = NO_PENDING_HISTOGRAM_CODE;
|
| -
|
| - // Record how long it took to load the shared libraries.
|
| - UMA_HISTOGRAM_TIMES(
|
| - "ChromiumAndroidLinker.RendererLoadTime",
|
| - base::TimeDelta::FromMilliseconds(g_renderer_library_load_time_ms));
|
| -}
|
| -
|
| -static void RecordChromiumAndroidLinkerBrowserHistogram(
|
| - JNIEnv* env,
|
| - jobject jcaller,
|
| - jboolean is_using_browser_shared_relros,
|
| - jboolean load_at_fixed_address_failed,
|
| - jint library_load_from_apk_status,
|
| - jlong library_load_time_ms) {
|
| - // For low-memory devices, record whether or not we successfully loaded the
|
| - // browser at a fixed address. Otherwise just record a normal invocation.
|
| - BrowserHistogramCode histogram_code;
|
| - if (is_using_browser_shared_relros) {
|
| - histogram_code = load_at_fixed_address_failed
|
| - ? LOW_MEMORY_LFA_BACKOFF_USED : LOW_MEMORY_LFA_SUCCESS;
|
| - } else {
|
| - histogram_code = NORMAL_LRA_SUCCESS;
|
| - }
|
| - UMA_HISTOGRAM_ENUMERATION("ChromiumAndroidLinker.BrowserStates",
|
| - histogram_code,
|
| - MAX_BROWSER_HISTOGRAM_CODE);
|
| -
|
| - // Record the device support for loading a library directly from the APK file.
|
| - UMA_HISTOGRAM_ENUMERATION("ChromiumAndroidLinker.LibraryLoadFromApkStatus",
|
| - library_load_from_apk_status,
|
| - LIBRARY_LOAD_FROM_APK_STATUS_CODES_MAX);
|
| -
|
| - // Record how long it took to load the shared libraries.
|
| - UMA_HISTOGRAM_TIMES("ChromiumAndroidLinker.BrowserLoadTime",
|
| - base::TimeDelta::FromMilliseconds(library_load_time_ms));
|
| -}
|
| -
|
| -void SetLibraryLoadedHook(LibraryLoadedHook* func) {
|
| - g_registration_callback = func;
|
| -}
|
| -
|
| -static void InitCommandLine(JNIEnv* env,
|
| - jobject jcaller,
|
| - jobjectArray init_command_line) {
|
| - InitNativeCommandLineFromJavaArray(env, init_command_line);
|
| -}
|
| -
|
| -static jboolean LibraryLoaded(JNIEnv* env, jobject jcaller) {
|
| - if (g_registration_callback == NULL) {
|
| - return true;
|
| - }
|
| - return g_registration_callback(env, NULL);
|
| -}
|
| -
|
| -void LibraryLoaderExitHook() {
|
| - if (g_at_exit_manager) {
|
| - delete g_at_exit_manager;
|
| - g_at_exit_manager = NULL;
|
| - }
|
| -}
|
| -
|
| -static jboolean ForkAndPrefetchNativeLibrary(JNIEnv* env, jclass clazz) {
|
| - return NativeLibraryPrefetcher::ForkAndPrefetchNativeLibrary();
|
| -}
|
| -
|
| -bool RegisterLibraryLoaderEntryHook(JNIEnv* env) {
|
| - return RegisterNativesImpl(env);
|
| -}
|
| -
|
| -void SetVersionNumber(const char* version_number) {
|
| - g_library_version_number = strdup(version_number);
|
| -}
|
| -
|
| -jstring GetVersionNumber(JNIEnv* env, jobject jcaller) {
|
| - return ConvertUTF8ToJavaString(env, g_library_version_number).Release();
|
| -}
|
| -
|
| -LibraryProcessType GetLibraryProcessType(JNIEnv* env) {
|
| - return static_cast<LibraryProcessType>(
|
| - Java_LibraryLoader_getLibraryProcessType(env));
|
| -}
|
| -
|
| -void InitAtExitManager() {
|
| - g_at_exit_manager = new base::AtExitManager();
|
| -}
|
| -
|
| -} // namespace android
|
| -} // namespace base
|
|
|