如何从Android应用程序调试共享的libarary [单独的项目] [英] how to debug a shared libarary [ separate project] from android application

问题描述

我正在开发一个Android应用程序，并在项目中使用密集的c ++代码，
首先我将c ++源代码放在项目中，并使用以下指南在Android应用程序中具有本机调试的NDK功能。

http://tools.android.com/最近/ usingthendkplugin

但在开发不足之后，我决定在独立项目中分离本机代码，并在Android应用程序中使用输出SO。

我的问题如何调试一个SO库，这是Android应用程序中单独项目的结果？

解决方案

使用nkd-gdb进行此操作（您的.so将必须包含在您为应用程序安装的APK中，位于正常位置应用程序特定的.so文件）它是NDK的一部分。请参阅$ NDK / docs / NDK-GDB.html

但是，请注意：应用程序启动后，nkd-gdb只会将GDB附加到.so。所以，你可能会错过一些断点。我知道在IDE插件之外的两种方法来解决这个问题：

1. 在你的最早入门点放置一个无限循环.so，然后使用GDB突破这个无限循环，在您设置了断点之后


2. 将我的待处理更新下载到ndk-gdb，从而修复了这个问题，从 https://android-review.googlesource.com/#/c/48029/ （一人们已经报告了我的修复问题，所以它没有被AOSP批准...但是我从来没有转载他们的问题，请让我知道，如果你使用它，它是否适用于你）。 >
   

I am developing an android application and using intensive c++ code in the project , First I put the c++ source code in the project and used the following guide to have the NDK capability of Native Debugging in the Android application .

http://tools.android.com/recent/usingthendkplugin

but after weaks of development I decided to separate the Native code in a standalone project and use the output SO in the Android Application .

My Question Is how can I debug a SO library which is the result of a separate project in an Android Application ?

解决方案

Use nkd-gdb for this (your .so will have to be included in the APK that you installed for your application, in the normal location for app-specific .so files) It is part of the NDK. See $NDK/docs/NDK-GDB.html

But, be warned: nkd-gdb will only attach GDB to your .so sometime after the application has started. So, you might miss some breakpoints. I know of 2 ways to solve that problem, outside of an IDE plugin:

1. Place an infinite loop at the earliest entry-point of your .so, then use GDB to break out of that infinite loop, after you have set your breakpoints
2. Download my pending update to ndk-gdb, which fixes this problem, from https://android-review.googlesource.com/#/c/48029/ (One person has reported having problems with my fix, so it is not approved for AOSP yet... but I have never reproduced their problem. Please let me know if you use it, and whether it works for you or not.)

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