Android NDK调试:armeabi-v7a无法正常工作

Question

Eclipse/Cygwin

NDK 8c

构建共享库

切换到armeabi-v7a后,我无法启动gdbserver.我在网上搜索了几个小时,但找不到专门处理armeabi-v7a调试问题的话题.

由于使用依赖于它的第三方库,我无法切换到armeabi-v7a.没有它,我会遇到这些错误:

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]'

使用此设置之前,使用'armeabi'之前一切正常:http://mhandroid.wordpress.com/2011/01/23/using-eclipse-for-android-cc-development/

我做的唯一更改是将其添加到Application.mk:

APP_ABI := armeabi-v7a

在Android.mk共享库的最底部,我添加了这个:

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

输出以下内容:

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

我已经卸载了应用程序

adb uninstall com.example.game

AndroidManifest.xml确实有android:debuggable ="true"属性.

在Eclipse中完成"全部清理",并手动删除./libs和./obj文件夹.然后,ndk-build输出到右侧文件夹(obj/local/armeabi-v7a和libs/armeabi-v7a),并且obj/local/armeabi和libs/armeabi 不存在.

但是,这是我运行ndk-gdb时会发生的事情:

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!

使用错误的'armeabi'注意"应用程序所针对的ABI".这是ndk-gdb的相关部分:

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"

我清楚地将APP_ABI设置为Application.mk中的armeabi-v7a,这是NDK中的一个错误吗？或者我错过了什么？

Answer 1

我遇到过同样的问题。我按照这篇文章配置了 eclipse 。然后我从 更改armeabi为armeabi-v7a。然后就无法调试了。

我解决了这个问题：
1）您必须修复“调试配置”中的文件夹

• 主选项卡更改...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 to obj/local/armeabi-v7a/gdb2.setup
• 调试器选项卡更改.../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）这可能是解决方法，但它确实有效。在“调试配置”中->Debugger->Shared Libraries add <project path>/obj/local/armeabi-v7a，选中“自动加载共享库符号”