content/public/android/java/src/org/chromium/content/app/LinkerParams.java - Issue 141223002: Move the android library loader from content to base

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Issue 141223002: Move the android library loader from content to base (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Move Android Library Loader - Fix findbugs merge issue Created 6 years, 10 months ago

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« base/android/linker/DEPS ('K') | « content/public/android/java/src/org/chromium/content/app/Linker.java ('k') | content/public/android/java/src/org/chromium/content/browser/BrowserStartupController.java » ('j') | content/shell/android/linker_test_apk/chromium_linker_test_android.cc » ('J')
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1 // Copyright 2013 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 package org.chromium.content.app;

6

7 import android.content.Intent;

8

9 /**

10 * A class to hold information passed from the browser process to each

11 * service one when using the content linker. For more information, read the

12 * technical notes in Linker.java.

13 */

14 public class LinkerParams {

15 // Use this base address to load native shared libraries. If 0, ignore other members.

16 public final long mBaseLoadAddress;

17

18 // If true, wait for a shared RELRO Bundle just after loading the libraries.

19 public final boolean mWaitForSharedRelro;

20

21 // If not empty, name of Linker.TestRunner implementation that needs to be

22 // registered in the service process.

23 public final String mTestRunnerClassName;

24

25 private static final String EXTRA_LINKER_PARAMS_BASE_LOAD_ADDRESS =

26 "org.chromium.content.common.linker_params.base_load_address";

27

28 private static final String EXTRA_LINKER_PARAMS_WAIT_FOR_SHARED_RELRO =

29 "org.chromium.content.common.linker_params.wait_for_shared_relro";

30

31 private static final String EXTRA_LINKER_PARAMS_TEST_RUNNER_CLASS_NAME =

32 "org.chromium.content.common.linker_params.test_runner_class_name";

33

34 public LinkerParams(long baseLoadAddress,

35 boolean waitForSharedRelro,

36 String testRunnerClassName) {

37 mBaseLoadAddress = baseLoadAddress;

38 mWaitForSharedRelro = waitForSharedRelro;

39 mTestRunnerClassName = testRunnerClassName;

40 }

41

42 /**

43 * Use this constructor to recreate a LinkerParams instance from an Intent.

44 * @param intent An Intent, its content must have been populated by a previo us

45 * call to addIntentExtras().

46 */

47 public LinkerParams(Intent intent) {

48 mBaseLoadAddress = intent.getLongExtra(EXTRA_LINKER_PARAMS_BASE_LOAD_ADD RESS, 0);

49 mWaitForSharedRelro = intent.getBooleanExtra(

50 EXTRA_LINKER_PARAMS_WAIT_FOR_SHARED_RELRO, false);

51 mTestRunnerClassName = intent.getStringExtra(

52 EXTRA_LINKER_PARAMS_TEST_RUNNER_CLASS_NAME);

53 }

54

55 /**

56 * Ensure this LinkerParams instance is sent to a service process by adding

57 * it to an intent's extras.

58 * @param intent An Intent use to start or connect to the child service proc ess.

59 */

60 public void addIntentExtras(Intent intent) {

61 intent.putExtra(EXTRA_LINKER_PARAMS_BASE_LOAD_ADDRESS, mBaseLoadAddress) ;

62 intent.putExtra(EXTRA_LINKER_PARAMS_WAIT_FOR_SHARED_RELRO, mWaitForShare dRelro);

63 intent.putExtra(EXTRA_LINKER_PARAMS_TEST_RUNNER_CLASS_NAME, mTestRunnerC lassName);

64 }

65

66 // For debugging traces only.

67 public String toString() {

68 return String.format(

69 "LinkerParams(baseLoadAddress:0x%x, waitForSharedRelro:%s, " +

70 "testRunnerClassName:%s",

71 mBaseLoadAddress,

72 mWaitForSharedRelro ? "true" : "false",

73 mTestRunnerClassName);

74 }

75 }

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