Android NDK调试：armeabi-v7a不工作 [英] Android NDK debugging: armeabi-v7a not working

问题描述

Eclipse / Cygwin

NDK 8c

建立共用资料库

在切换到armeabi-v7a后，我无法获取gdbserver启动。我在线搜索了几个小时，但找不到专门处理armeabi-v7a调试问题的主题。

我无法切换到armeabi-v7a使用依赖于它的第三方库。没有它，我得到这样的错误：

  D：\TEMP\ccnnGAqD.s：10427：处理器不支持Thumb模式`ldrex r6，[r3]'
 D：\TEMP\ccnnGAqD.s：10429：错误：所选处理器不支持Thumb模式`strex r4，r5，[r3] 
  

使用这个设置，在'armeabi'之前所有工作都很好： http://mhandroid.wordpress.com/2011/01/23/使用-eclipse-for-android-cc-development /

我做的唯一的改变是添加到Application.mk：

  APP_ABI：= armeabi-v7a 
  

b $ b

在共享库Android.mk的最底部，我添加了：

  $（info TARGET_ARCH = $（TARGET_ARCH））
 $（信息TARGET_ARCH_ABI = $（TARGET_ARCH_ABI））
 $（信息TARGET_ABI = $（TARGET_ABI））
  

其中输出以下内容：

  TARGET_ARCH = arm 
 TARGET_ARCH_ABI = armeabi-v7a 
 TARGET_ABI = android-14-armeabi-v7a 
  

应用程序使用

  adb uninstall com.example.game 
  

AndroidManifest.xml中有android：debuggable =true属性。

在Eclipse中执行全部清除 ，并手动删除./libs和./obj文件夹。然后，ndk-build输出到正确的文件夹（obj / local / armeabi-v7a和libs / armeabi-v7a）和obj / local / armeabi和libs / armeabi 不存在。 >

但是，这里是当我运行ndk-gdb会发生什么：

  MACHINENAME / cygdrive / e / projects / game 
 $ ndk-gdb-eclipse --force --verbose 
 Android NDK安装路径：/ cygdrive / e / projects / sdks / android-ndk 
使用默认adb命令：/ cygdrive / e / projects / sdks / android-sdk / platform-tools / adb 
找到的ADB版本：Android Debug Bridge版本1.0.31 
使用ADB标志：
使用自动检测的项目路径：。 
找到的软件包名称：com.example.game 
应用程序定义的ABI：armeabi 
设备API级别：15 
设备CPU ABI：armeabi-v7a armeabi 
兼容设备ABI：armeabi 
使用gdb setup init：./libs/armeabi/gdb.setup 
使用工具链前缀：/ cygdrive / e / projects / sdks / android-ndk / toolchains / arm-linux-androideabi- 4.6 / prebuilt / windows / bin / arm-linux-androideabi- 
使用应用程序输出目录：./obj/local/armeabi 
找到debuggable标志：true 
错误：找不到gdbserver二进制under ./libs/armeabi 
这通常意味着您修改了AndroidManifest.xml以将
的android：debuggable标记设置为true，但没有重建
原生二进制文件。请调用'ndk-build'这样做，
 *然后*重新安装到设备！ 
  

请注意应用程序定义的ABI使用错误的armeabi。这是ndk-gdb的相关部分：

  get_build_var（）
 {
 if [-z $ GNUMAKE];然后
 GNUMAKE = make 
 fi 
 $ GNUMAKE --no-print-dir -f $ ANDROID_NDK_ROOT / build / core / build-local.mk -C $ PROJECT DUMP_ $ 1 | tail -1 
} 
 
 APP_ABIS =`get_build_var APP_ABI`
 if [$ APP_ABIS！=$ {APP_ABIS %% all *}];然后
＃用所有可用的ABI替换第一个all
 ALL_ABIS =`get_build_var NDK_ALL_ABIS`
 APP_ABIS_FRONT =$ {APP_ABIS %% all *}
 APP_ABIS_BACK =$ { APP_ABIS＃* all}
 APP_ABIS =$ {APP_ABIS_FRONT} $ {ALL_ABIS} $ {APP_ABIS_BACK}
 fi 
日志ABIs由应用程序定向：$ APP_ABIS
  

我在Application.mk中清楚地设置了APP_ABI到armeabi-v7a，那么这是NDK中的一个错误吗？

解决方案

我有同样的问题。我配置eclipse下面这篇文章：
http://mhandroid.wordpress.com/2011/01/23/using-eclipse-for-android-cc-development/
然后我从armeabi更改为armeabi-v7a。

我修复了此问题：

1）您必须修复调试配置中的文件夹

• 主标签页更改... obj / local / armeabi / app_process to ... obj / local / armeabi-v7a / app_process


• 调试器选项卡更改... obj / local / armeabi / gdb2.setup到obj / local / armeabi-v7a / gdb2.setup


• 调试器选项卡更改... /工具链/ arm-linux-androideabi-4.4 / prebuilt / linux-x86_64 / bin / arm-linux-androideabi-gdb到工具链/ androideabi-gdb

2）可能这是解决方法，但它工作。在调试配置 - >调试器 - >共享库添加/ obj / local / armeabi-v7a并选中自动加载共享库符号

Eclipse / Cygwin

NDK 8c

Building a shared library

I can't get gdbserver to start anymore after switching to armeabi-v7a. I've searched online for hours but can't find a topic that deals specifically with armeabi-v7a debugging issues.

I have no choice to switch to armeabi-v7a due to using a third party library which depends on it. Without it, I get these kind of errors:

D:\TEMP\ccnnGAqD.s:10427: Error: selected processor does not support Thumb mode `ldrex r6,[r3]'
D:\TEMP\ccnnGAqD.s:10429: Error: selected processor does not support Thumb mode `strex r4,r5,[r3]'

It was all working fine before with 'armeabi', using this setup: http://mhandroid.wordpress.com/2011/01/23/using-eclipse-for-android-cc-development/

The only change I've made is to add this to Application.mk:

APP_ABI := armeabi-v7a

At the very bottom of the shared library Android.mk I added this:

$(info TARGET_ARCH     = $(TARGET_ARCH))
$(info TARGET_ARCH_ABI = $(TARGET_ARCH_ABI))
$(info TARGET_ABI      = $(TARGET_ABI))

which outputs the following:

TARGET_ARCH     = arm
TARGET_ARCH_ABI = armeabi-v7a
TARGET_ABI      = android-14-armeabi-v7a

I've uninstalled the app using

adb uninstall com.example.game

AndroidManifest.xml does have the android:debuggable="true" property.

Done a "clean all" in Eclipse, and manually deleted the ./libs and ./obj folders. Then, ndk-build outputs to the right folders (obj/local/armeabi-v7a and libs/armeabi-v7a), and obj/local/armeabi and libs/armeabi do not exist.

However, here's what happens when I run ndk-gdb:

user@MACHINENAME /cygdrive/e/projects/game
$ ndk-gdb-eclipse --force --verbose
Android NDK installation path: /cygdrive/e/projects/sdks/android-ndk
Using default adb command: /cygdrive/e/projects/sdks/android-sdk/platform-tools/adb
ADB version found: Android Debug Bridge version 1.0.31
Using ADB flags:
Using auto-detected project path: .
Found package name: com.example.game
ABIs targetted by application: armeabi
Device API Level: 15
Device CPU ABIs: armeabi-v7a armeabi
Compatible device ABI: armeabi
Using gdb setup init: ./libs/armeabi/gdb.setup
Using toolchain prefix: /cygdrive/e/projects/sdks/android-ndk/toolchains/arm-linux-androideabi-4.6/prebuilt/windows/bin/arm-linux-androideabi-
Using app out directory: ./obj/local/armeabi
Found debuggable flag: true
ERROR: Could not find gdbserver binary under ./libs/armeabi
   This usually means you modified your AndroidManifest.xml to set
   the android:debuggable flag to 'true' but did not rebuild the
   native binaries. Please call 'ndk-build' to do so,
   *then* re-install to the device!

Notice the "ABIs targetted by application" using the wrong 'armeabi'. Here's the relevant part of ndk-gdb:

get_build_var ()
{
    if [ -z "$GNUMAKE" ] ; then
        GNUMAKE=make
    fi
    $GNUMAKE --no-print-dir -f $ANDROID_NDK_ROOT/build/core/build-local.mk -C $PROJECT DUMP_$1 | tail -1
}

APP_ABIS=`get_build_var APP_ABI`
if [ "$APP_ABIS" != "${APP_ABIS%%all*}" ] ; then
# replace first "all" with all available ABIs
  ALL_ABIS=`get_build_var NDK_ALL_ABIS`
  APP_ABIS_FRONT="${APP_ABIS%%all*}"
  APP_ABIS_BACK="${APP_ABIS#*all}"
  APP_ABIS="${APP_ABIS_FRONT}${ALL_ABIS}${APP_ABIS_BACK}"
fi
log "ABIs targetted by application: $APP_ABIS"

I clearly set APP_ABI to armeabi-v7a in Application.mk, so is this a bug in the NDK? Or am I missing something?

解决方案

I had the same issue. I configured eclipse following this article: http://mhandroid.wordpress.com/2011/01/23/using-eclipse-for-android-cc-development/ Then I change from armeabi to armeabi-v7a. Then I couldn't debug.

I fixed this issue:
1) You must fix the folders in "Debug configurations"

• Main tab change ...obj/local/armeabi/app_process to ...obj/local/armeabi-v7a/app_process
• Debugger tab change ...obj/local/armeabi/gdb2.setup to obj/local/armeabi-v7a/gdb2.setup
• Debugger tab change .../toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gdb to toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gdb

2) May be this is workaround but it works. In "Debug configurations" ->Debugger->Shared Libraries add /obj/local/armeabi-v7a and check "Load shared library symbols automatically"

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