请帮助我使用ndk-gdb!
我搜索了 StackOverflow 和其他互联网 =) 但仍然做错了什么。
配置:MacOSX 64 + 最新 SDK + 最新 NDK + 最新 IDEA + Nexus 7 + 巨大的 C++ 项目。
我做了所有常见的安排:
-g -ggdb -O0
toLOCAL_CFLAGS
(也试过了-g
)APP_OPTIM := debug
debuggable=«true»
在清单中ndk-build NDK_DEBUG=1
我得到了预期的 gdb.setup 和 gdbserver 文件,但是nm
命令在我的 *.so 文件上给了我零输出。
我ndk-gdb
在项目的根文件夹中运行并开始工作 GDB - 例如,我可以暂停应用程序并恢复它,可以在地址上获取 ASM 代码等等。即使我用 设置刹车点break Class::method
,gdb 也会告诉我正确的文件名和行号。
但是断点没有达到 99%。Backstack 总是明显错误(错误的方法名称)。看起来所有符号名称和地址都映射错误。
我错过了什么?
UPD。gdb 输出以两个命令info sharedlibrary
和C
.
:ndk-gdb
/android-ndk-macosx/build/core/add-application.mk:128: Android NDK: WARNING: APP_PLATFORM android-14 is larger than >android:minSdkVersion 8 in ./AndroidManifest.xml
/android-ndk-macosx/build/core/add-application.mk:128: Android NDK: WARNING: APP_PLATFORM android-14 is larger than >android:minSdkVersion 8 in ./AndroidManifest.xml
/android-ndk-macosx/build/core/add-application.mk:128: Android NDK: WARNING: APP_PLATFORM android-14 is larger than >android:minSdkVersion 8 in ./AndroidManifest.xml
/android-ndk-macosx/build/core/add-application.mk:128: Android NDK: WARNING: APP_PLATFORM android-14 is larger than >android:minSdkVersion 8 in ./AndroidManifest.xml
GNU gdb (GDB) 7.3.1-gg2
Copyright (C) 2011 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "--host=x86_64-apple-darwin --target=arm-linux-android".
For bug reporting instructions, please see:
<http://source.android.com/source/report-bugs.html>.
warning: .dynamic section for "/Users/<...>/android/obj/local/armeabi/lib1.so" is not at the expected address (wrong library or version >mismatch?)
warning: Could not load shared library symbols for 73 libraries, e.g. libstdc++.so.
Use the "info sharedlibrary" command to see the complete listing.
Do you need "set solib-search-path" or "set sysroot"?
warning: Breakpoint address adjusted from 0x400aca53 to 0x400aca52.
0x401a7ee4 in epoll_wait () from /Users/<...>/android/obj/local/armeabi/libc.so
(gdb) info sharedlibrary
From To Syms Read Shared Object Library
0x400aa220 0x400b2978 Yes (*) /Users/<...>/android/obj/local/armeabi/linker
0x4019c860 0x401cc184 Yes (*) /Users/<...>/android/obj/local/armeabi/libc.so
No libstdc++.so
No libm.so
<...dozens of system libs with "no"...>
No libjnigraphics.so
0x6749c160 0x67527844 Yes (*) /Users/<...>/android/obj/local/armeabi/lib1.so
0x65c487f8 0x65c6634c Yes (*) /Users/<...>/android/obj/local/armeabi/lib2.so
0x693e62e8 0x699dcd90 Yes /Users/<...>/android/obj/local/armeabi/lib3.so
(*): Shared library is missing debugging information.
(gdb) C
Continuing.>
你可以看到
- lib3.so(主库)加载最正确(或没有?)
- 断点地址调整(这是什么意思?)