Androidネイティブコードのデバッグ：手動および自動テスト

1. 使用されるAPIバージョン：
   
   
   
   
   
   
   
   
2. 使用されるlibstdc ++のバージョン：
   
   
   
   
   
   
   
   
3. デバイスアーキテクチャ（ターゲット）：
   
   
   
   
   
   
   
   
4. ビット深度（32、64またはx32）ターゲット：
   
   
   
   
   
   
   
   
5. ビルドホストとその容量：
   
   
   
   
   
   
   
   

手動組み立ておよびテスト用のツール

アプリケーションを作成して実行する

gcc

bash-4.2$ #   hello_world.c bash-4.2$ cat ./hello_world.c #include <stdio.h> int main(void) { printf(“Hello, World!\n”); return 0; } bash-4.2$ #   Android,  gcc 4.7  x86,  18 bash-4.2$ /users/NDK_current/toolchains/x86-4.7/prebuilt/linux-x86/bin/i686-linux-android-gcc –sysroot=/users/NDK_current/platforms/android-18/arch-x86 ./hello_world.c -o ./hello_world.exe bash-4.2$ echo $? 0 bash-4.2$ #,  bash-4.2$ #  bash-4.2$ ./hello_world.exe bash-4.2$ #,     bash-4.2$ #     bash-4.2$ adb devices List of devices attached 0146AFFC18020012 device bash-4.2$ #,   -    bash-4.2$ adb -s 0146AFFC18020012 shell echo 'Hello, Android!' Hello, Android! bash-4.2$ #,       bash-4.2$ export ANDROID_SERIAL=0146AFFC18020012 bash-4.2$ #   bash-4.2$ adb shell echo 'Hello, Android!' Hello, Android! bash-4.2$ #- ,      bash-4.2$ adb push ./hello_world.exe /data/local/ bash-4.2$ #- ,   bash-4.2$ adb shell /data/local/hello_world.exe Hello, World! bash-4.2$ #adb ,   ,    ,    bash-4.2$ adb shell “/data/local/hello_world.exe && echo $?” Hello, World! 0 bash-4.2$ #,          bash-4.2$ #   ,        bash-4.2$ #  ,        (linux, mac, windows) bash-4.2$ #   ,   -     bash-4.2$ #  ,    -static /users//NDK_current/toolchains/x86-4.7/prebuilt/linux-x86/bin/i686-linux-android-gcc –sysroot=/users/ /NDK_current/platforms/android-18/arch-x86 -static ./hello_world.c -o ./hello_world.exe bash-4.2$ echo $? 0 bash-4.2$ #,      -         bash-4.2$ ./hello_world.exe Hello, World! bash-4.2$ echo $? 0 bash-4.2$ #,           bash-4.2$
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

g ++

 bash-4.2$ #      g++ bash-4.2$ cat ./hello_world.C #include <iostream> int main(void) { std::cout << “Hello, World!\n”; return 0; } bash-4.2$ #    STL,  bash-4.2$ #          bash-4.2$ #    ,     bash-4.2$ # ,   -l%STL_LIB%      ! bash-4.2$ #    _shared,   _static  bash-4.2$ #    g++ -L, -I     – gnustl/stlport/gabi bash-4.2$ /users/ /NDK_current/toolchains/x86-4.7/prebuilt/linux-x86/bin/i686-linux-android-g++ –sysroot=/users/NDK_current/platforms/android-18/arch-x86 -I/users/NDK_current/sources/cxx-stl/gnu-libstdc++/4.7/include -I/users/NDK_current/sources/cxx-stl/gnu-libstdc++/4.7/libs/x86/include -L/users//NDK_current/sources/cxx-stl/gnu-libstdc++/4.7/libs/x86 ./hello_world.C -o ./hello_world.exe -lgnustl_shared bash-4.2$ echo $? 0 bash-4.2$ #,      -    /   /  bash-4.2$ adb push ./hello_world.exe /data/local/ bash-4.2$ #- ,   bash-4.2$ adb shell “/data/local/hello_world.exe && echo $?” soinfo_link_image(linker.cpp:1635): could not load library “libgnustl_shared.so” needed by “/data/local/hello_world.exe”; caused by load_library(linker.cpp:745): library “libgnustl_shared.so” not foundCANNOT LINK EXECUTABLE bash-4.2$ # ,    bash-4.2$ #libgnustl_shared.so     Android,       bash-4.2$ adb push /users//NDK_current/sources/cxx-stl/gnu-libstdc++/4.7/libs/x86/libgnustl_shared.so /data/local/libgnustl_shared.so bash-4.2$ #,   ,    LD_LIBRARY_PATH bash-4.2$ adb shell “export LD_LIBRARY_PATH=/data/local/:$LD_LIBRARY_PATH && /data/local/hello_world.exe && echo $\?” Hello, World! 0 bash-4.2$ #       – /system/lib bash-4.2$ # bash-4.2$ adb shell “/data/local/hello_world.exe && echo $\?” Hello, World! 0 bash-4.2$
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

 # ----------------------------------------------------------------------------- # Run the unit tests built against x86 bionic on an x86 host. # ----------------------------------------------------------------------------- ifeq ($(HOST_OS)-$(HOST_ARCH),linux-x86) ifeq ($(TARGET_ARCH),$(filter $(TARGET_ARCH),x86 x86_64)) ifeq ($(TARGET_ARCH),x86) LINKER = linker else LINKER = linker64 endif # gtest needs ANDROID_DATA/local/tmp for death test output. # Make sure to create ANDROID_DATA/local/tmp if doesn't exist. # bionic itself should always work relative to ANDROID_DATA or ANDROID_ROOT. bionic-unit-tests-run-on-host: bionic-unit-tests $(TARGET_OUT_EXECUTABLES)/$(LINKER) $(TARGET_OUT_EXECUTABLES)/sh if [ ! -d /system -o ! -d /system/bin ]; then \ echo "Attempting to create /system/bin"; \ sudo mkdir -p -m 0777 /system/bin; \ fi mkdir -p $(TARGET_OUT_DATA)/local/tmp cp $(TARGET_OUT_EXECUTABLES)/$(LINKER) /system/bin cp $(TARGET_OUT_EXECUTABLES)/sh /system/bin ANDROID_DATA=$(TARGET_OUT_DATA) \ ANDROID_ROOT=$(TARGET_OUT) \ LD_LIBRARY_PATH=$(TARGET_OUT_SHARED_LIBRARIES) \ $(TARGET_OUT_DATA_NATIVE_TESTS)/bionic-unit-tests/bionic-unit-tests endif endif
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

GCOVとプロファイル

 bash-4.2$ # ,  , - ,          bash-4.2$ #, ,   coverage  bash-4.2$ # ,     ,         bash-4.2$ #     ,   -fprofile-dir=%android_exec_dir% bash-4.2$ #  ,  ,  GCOV_PREFIX  GCOV_PREFIX_STRIP bash-4.2$ #   ,    env      adb ( shell   adb shell %command% bash-4.2$ /users//NDK_current/toolchains/x86-4.7/prebuilt/linux-x86/bin/i686-linux-android-gcc –sysroot=/users//NDK_current/platforms/android-18/arch-x86 ./gcov-1.c -fprofile-arcs -fprofile-dir=. -ftest-coverage -lm -o ./gcov-1.exe bash-4.2$ adb push ./gcov-1.exe /data/local/gcov-1.exe bash-4.2$ #adb shell “export GCOV_PREFIX=/data/local && export GCOV_PREFIX_STRIP=13 && /data/local/gcov-1.exe && echo $\?” bash-4.2$ unset GCOV_PREFIX && unset GCOV_PREFIX_STRIP && cd /data/local && ./gcov-1.exe && echo $\?” 0 bash-4.2$ adb shell ls /data/local/gcov-1.gcda /data/local/gcov-1.gcda bash-4.2$ #  bash-4.2$ adb pull /data/local/gcov-1.gcda . bash-4.2$ ls ./gcov-1.gcda ./gcov-1.gcda bash-4.2$ #  NDK  gcov,   ,   bash-4.2$ /users/NDK_current/toolchains/x86-4.7/prebuilt/linux-x86/bin/i686-linux-android-gcov gcov-1.gcda File 'gcov-1.c' Lines executed:100.00% of 6 Creating 'gcov-1.c.gcov' bash-4.2$
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

デバッグ\デバッグ：GDB / logcat

 bash-4.2$ #  NDK     , , gdb bash-4.2$ #        -g,      bash-4.2$ /users /NDK_current/toolchains/x86-4.7/prebuilt/linux-x86/bin/i686-linux-android-gcc –sysroot=/users/NDK_current/platforms/android-18/arch-x86 ./hello_world.c -o ./hello_world.exe bash-4.2$ adb push ./hello_world.exe /data/local/hello_world.exe bash-4.2$ adb shell gdbserver :5039 /data/local/hello_world.exe & Process /data/local/hello_world.exe created; pid = 29744 Listening on port 5039 bash-4.2$ adb forward tcp:5039 tcp:5039 bash-4.2$ /users/NDK_current/toolchains/x86-4.7/prebuilt/linux-x86/bin/i686-linux-android-gdb hello_world.exe Remote debugging from host 127.0.0.1 libthread_db:td_ta_new: Probing system for platform bug. libthread_db:td_ta_new: Running as root, nothing to do. Hello, World! Child exited with status 0 GDBserver exiting bash-4.2$ cat test.gdb set sysroot /users/igveresx set solib-absolute-prefix /users/igveresx/symbols/ set solib-search-path /users/igveresx/symbols/lib set auto-solib-add on target remote :5039 stepi stepi c Quit bash-4.2$ #       logcat bash-4.2$ adb logcat *:E >logcat.log & bash-4.2$ tail -5 logcat.log E/Intel PowerHAL( 2093): Error in reading vsync hint E/Intel PowerHAL( 2093): Error reading from /sys/devices/system/cpu/cpufreq/interactive/vsync_count: No such file or directory E/Intel PowerHAL( 2093): Error in reading vsync count E/Intel PowerHAL( 2093): Error reading from /sys/devices/system/cpu/cpufreq/interactive/touch_event: No such file or directory E/Intel PowerHAL( 2093): Error in reading vsync hint bash-4.2$ #      kernel bash-4.2$ adb shell dmesg | tail -5 <6>[245665.256198] intel_mdf_battery msic_battery: vbus_volt:4974 <6>[245665.265332] intel_mdf_battery msic_battery: vbatt:4116250 temp:300 <4>[245669.213759] kct_daemon: loop. <4>[245673.213561] kct_daemon: loop. <4>[245677.213379] kct_daemon: loop. bash-4.2$ adb shell 'cat /proc/kmsg' >kmsg.log bash-4.2$ tail -5 kmsg.log <4>[245673.213561] kct_daemon: loop. <4>[245677.213379] kct_daemon: loop. <4>[245681.213248] kct_daemon: loop. <4>[245685.213083] kct_daemon: loop. <4>[245689.212932] kct_daemon: loop. bash-4.2$
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

テスト自動化

runtest –target_board = androideabi

 set rootme “.” set tmpdir “.” set srcdir “/path/to/gcc_%version%_release/gcc/testsuite” set CFLAGS “” set CXXFLAGS “” set GDB “/path/to/GDB_UNDER_TEST” set GCOV_UNDER_TEST “/path/to/GCOV_UNDER_TEST” set GCC_UNDER_TEST “/path/to/GCC_UNDER_TEST” set GXX_UNDER_TEST “/path/to/GXX_UNDER_TEST” set GFORTRAN_UNDER_TEST “no” set OBJC_UNDER_TEST “no” set libiconv “” set HOSTCC “gcc” set HOSTCFLAGS “” set TESTING_IN_BUILD_TREE 1 set GMPINC “” set ENABLE_LTO 1 set HAVE_LIBSTDCXX_V3 1 set host_triplet i686-pc-linux-gnu set build_triplet i686-pc-linux-gnu set target_triplet i686-pc-linux-android-gnu set target_alias i686-pc-linux-android set android_tmp_dir “/temporary/folder/on/device/with/executable/permissions” set bridge_tmp_dir “/temporary/folder/on/device/with/executable/permissions” append boards_dir “/path/to/share/dejagnu/baseboards”
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

 export ADB_SERIAL=$ANDROID_SERIAL make -j $parallel check DEJAGNU=/path/to/site.exp RUNTESTFLAGS=”–target_board=androideabi”
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

• sysroot
• ライブラリとヘッダーファイルへのパス
• フラグとプラグイン（少なくともlibstdc ++ルーラーの場合）

wrapper-gcc

 #!/bin/bash /path/to/NDK_folder/toolchains/$arch-%compiler_version%/prebuilt/linux-x86/bin/%arch_prefix%-linux-android-gcc –sysroot=/path/to/NDK_folder/platforms/android-${device_platform}/arch-$arch “$@”
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

wrapper-g ++

 #!/bin/bash echo $@ | grep ” \-nostdlib” 1>/dev/null 2>/dev/null if [ $? != 0 ]; then echo $@ | grep ” \-static” 1>/dev/null 2>/dev/null if [ $? != 0 ]; then /path/to/NDK_folder/toolchains/$arch-%compiler_version%/prebuilt/linux-x86/bin/%arch_prefix%-linux-android-g++ –sysroot=/path/to/NDK_folder/platforms/android-${device_platform}/arch-$arch -I/path/to/NDK_folder/sources/cxx-stl/%stl lib folder%/%compiler version%/include -I/path/to/NDK_folder/sources/cxx-stl/%stl lib folder%/%compiler version%/libs/$arch/include -L/path/to/NDK_folder/sources/cxx-stl/%stl lib folder%/%compiler version%/libs/$arch “$@” -lgnustl_shared else /path/to/NDK_folder/toolchains/$arch-%compiler_version%/prebuilt/linux-x86/bin/%arch_prefix%-linux-android-g++ –sysroot=/path/to/NDK_folder/platforms/android-${device_platform}/arch-$arch -I/path/to/NDK_folder/sources/cxx-stl/%stl lib folder%/%compiler version%/include -I/path/to/NDK_folder/sources/cxx-stl/%stl lib folder%/%compiler version%/libs/$arch/include -L/path/to/NDK_folder/sources/cxx-stl/%stl lib folder%/%compiler version%/libs/$arch “$@” -lgnustl_static fi else /path/to/NDK_folder/toolchains/$arch-%compiler_version%/prebuilt/linux-x86/bin/%arch_prefix%-linux-android-g++ –sysroot=/path/to/NDK_folder/platforms/android-${device_platform}/arch-$arch -I/path/to/NDK_folder/sources/cxx-stl/%stl lib folder%/%compiler version%/include -I/path/to/NDK_folder/sources/cxx-stl/%stl lib folder%/%compiler version%/libs/$arch/include -L/path/to/NDK_folder/sources/cxx-stl/%stl lib folder%/%compiler version%/libs/$arch “$@” fi
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

プロファイリング、パフォーマンステスト

• 性能
• プロフィール
• 9月

 adb push perf /data/local/ adb shell cd /data/local chmod 777 perf perf record ./coremark.exe 0×0 0×0 0×66 0 7 1 2000 # or any arguments required # data saved at ./perf.data</li> export PAGER=cat # otherwise it will look for “less” perf report
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
     

• プロセッサモード
• バックグラウンドで実行されているアプリケーション
• クリーンな起動、およびエラー（logcat / dmesgを使用して追跡できます）

• すべてのセカンダリサービスとアプリケーションを無効にしました
• デバイスは排他的に使用されます
• デバイスにはハードセット操作モードがあります

 adb shell echo userspace > /sys/devices/system/cpu/cpuX/cpufreq/scaling_governor echo 2000000 > /sys/devices/system/cpu/cpuX/cpufreq/scaling_max_freq echo 2000000 > /sys/devices/system/cpu/cpuX/cpufreq/scaling_min_freq