ndk-stack的使用

问题及解决方法

• jni开发过程中native崩溃log样式如下

F/libc    (12115): Fatal signal 11 (SIGSEGV) at 0x37413144 (code=1), thread 12115 (om.example.test)
I/DEBUG   (  257): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
I/DEBUG   (  257): Build fingerprint: 'OPPO/R7007/R7007:4.3/JLS36C/1390465867:user/release-keys'
I/DEBUG   (  257): Revision: '0'
I/DEBUG   (  257): pid: 12115, tid: 12115, name: om.example.test  >>> com.example.test <<<
I/DEBUG   (  257): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 37413144
I/DEBUG   (  257): Abort message: ''
I/DEBUG   (  257):     r0 37413144  r1 00000000  r2 00000001  r3 8e4efac8
I/DEBUG   (  257):     r4 5d9f5f30  r5 5d9f5f88  r6 35413246  r7 4011e20c
I/DEBUG   (  257):     r8 be89a180  r9 57561c7c  sl 415e9040  fp be89a194
I/DEBUG   (  257):     ip 00000001  sp be899d20  lr 400e0ba9  pc 5d8c182e  cpsr 20000030
I/DEBUG   (  257):     d0  000000000000000f  d1  6361436c6c417261
I/DEBUG   (  257):     d2  6e69676562206568  d3  2d2d2d2d2d2d2d2d
I/DEBUG   (  257):     d4  0000000000000000  d5  0000000000000000
I/DEBUG   (  257):     d6  0000000000000000  d7  0000000080000000
I/DEBUG   (  257):     d8  0000000000000000  d9  0000000000000000
I/DEBUG   (  257):     d10 0000000000000000  d11 0000000000000000
I/DEBUG   (  257):     d12 0000000000000000  d13 0000000000000000
I/DEBUG   (  257):     d14 0000000000000000  d15 0000000000000000

• 如何分析crash log对应的调用栈？只需2步

  1. C:\Users\zzz\Desktop>adb logcat -c && adb logcat > C:\Users\zzz\Desktop\log.txt
  2. C:\Users\zzz\Desktop>ndk-stack -sym C:\androidStudio\android-libac\jni\obj\local\armeabi -dump log.txt

• 输出如下

********** Crash dump: **********
Build fingerprint: 'OPPO/R7007/R7007:4.3/JLS36C/1390465867:user/release-keys'
pid: 12115, tid: 12115, name: om.example.test  >>> com.example.test <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 37413144
Stack frame I/DEBUG   (  257):     #00  pc 0000682e  /data/app-lib/com.example.test-2/libacd.so: Routine MapsManager::clearAllCache() at C:\androidStudio\android-libac\jni/jni/src/pmaps/MapsManager.cpp:169 (discriminator 1)
Stack frame I/DEBUG   (  257):     #01  pc 00006d09  /data/app-lib/com.example.test-2/libacd.so: Routine MapsManager::startSecureCheck() at C:\androidStudio\android-libac\jni/jni/src/pmaps/MapsManager.cpp:98
Stack frame I/DEBUG   (  257):     #02  pc 00006e47  /data/app-lib/com.example.test-2/libacd.so: Routine assertInvader(ErrorCode*, android::UParcel*) at C:\androidStudio\android-libac\jni/jni/src/pmaps/MapsManager.cpp:21
Stack frame I/DEBUG   (  257):     #03  pc 000060d7  /data/app-lib/com.example.test-2/libacd.so: Routine nativeAssert at C:\androidStudio\android-libac\jni/jni/src/entrance.cpp:70
Stack frame I/DEBUG   (  257):     #04  pc 000203cc  /system/lib/libdvm.so (dvmPlatformInvoke+112)
Stack frame I/DEBUG   (  257):     #05  pc 00050d97  /system/lib/libdvm.so (dvmCallJNIMethod(unsigned int const*, JValue*, Method const*, Thread*)+398)
Stack frame I/DEBUG   (  257):     #06  pc 00029860  /system/lib/libdvm.so
Stack frame I/DEBUG   (  257):     #07  pc 0002e218  /system/lib/libdvm.so (dvmInterpret(Thread*, Method const*, JValue*)+184)
Stack frame I/DEBUG   (  257):     #08  pc 0000d0af  /system/lib/libdvm.so

参考

• android-ndk-r10e/docs/Programmers_Guide/html/md_3__key__topics__debugging__n_d_k-_s_t_a_c_k.html