android出现段错误时的查找定位的方法

android出现段错误时的查找方法，例如出现log：

 - ::01.090 F/libc    ( ): Fatal signal  (SIGSEGV) at 0x00000000 (code=), thread  (SurfaceFlinger)
 - ::01.210 I/DEBUG   ( ): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
 - ::01.210 I/DEBUG   ( ): Build fingerprint: 'Android/4.2/bld.pad-706.b77.tl7689.nusmartQA-user/eng..20140613.152301/dev-keys'
 - ::01.220 I/DEBUG   ( ): Revision: ''
 - ::01.220 I/DEBUG   ( ): pid: , tid: , name: SurfaceFlinger  >>> /system/bin/surfaceflinger <<<
 - ::01.220 I/DEBUG   ( ): signal  (SIGSEGV), code  (SEGV_MAPERR), fault addr
 - ::01.250 I/DEBUG   ( ):     r0 40c223c0  r1   r2 411f8d88  r3 40c223c0
 - ::01.250 I/DEBUG   ( ):     r4 411f8d40  r5 411f8c88  r6 411f8d50  r7
 - ::01.250 I/DEBUG   ( ):     r8 40c1be18  r9 4098ddd8  sl   fp 40c1be20
 - ::01.260 I/DEBUG   ( ):     ip ffffffff  sp 4098ddb8  lr   pc 405a9bd8  cpsr 200f0010
 - ::01.260 I/DEBUG   ( ):     d0    d1
 - ::01.260 I/DEBUG   ( ):     d2    d3
 - ::01.260 I/DEBUG   ( ):     d4  74666f7320797261  d5  79616d2065726177
 - ::01.260 I/DEBUG   ( ):     d6    d7  736120796c6e6f20
 - ::01.260 I/DEBUG   ( ):     d8    d9
 - ::01.260 I/DEBUG   ( ):     d10   d11
 - ::01.260 I/DEBUG   ( ):     d12   d13
 - ::01.260 I/DEBUG   ( ):     d14   d15
 - ::01.260 I/DEBUG   ( ):     d16 01830b3b09000003  d17
 - ::01.260 I/DEBUG   ( ):     d18 419e264d78000000  d19
 - ::01.260 I/DEBUG   ( ):     d20   d21
 - ::01.260 I/DEBUG   ( ):     d22   d23
 - ::01.260 I/DEBUG   ( ):     d24   d25
 - ::01.260 I/DEBUG   ( ):     d26   d27
 - ::01.260 I/DEBUG   ( ):     d28   d29
 - ::01.260 I/DEBUG   ( ):     d30   d31
 - ::01.260 I/DEBUG   ( ):     scr
 - ::01.260 I/DEBUG   ( ):
 - ::01.260 I/DEBUG   ( ): backtrace:
 - ::01.260 I/DEBUG   ( ):     #  pc 00071bd8  /system/lib/libMali.so
 - ::01.260 I/DEBUG   ( ):     #  pc   /system/lib/libMali.so (mali_common_ds_consumer_release_ref_count_change+)
 - ::01.260 I/DEBUG   ( ):     #  pc 0007140c  /system/lib/libMali.so
 - ::01.260 I/DEBUG   ( ):     #  pc 0007af28  /system/lib/libMali.so
 - ::01.260 I/DEBUG   ( ):     #  pc 0000e194  /system/lib/libc.so (__thread_entry+)
 - ::01.260 I/DEBUG   ( ):     #  pc 0000dc9c  /system/lib/libc.so (pthread_create+)
 - ::01.260 I/DEBUG   ( ):
 - ::01.260 I/DEBUG   ( ): stack:
 - ::01.260 I/DEBUG   ( ):          4098dd78  411df348  [heap]
 - ::01.270 I/DEBUG   ( ):          4098dd7c  405b187c  /system/lib/libMali.so
 - ::01.270 I/DEBUG   ( ):          4098dd80
 - ::01.270 I/DEBUG   ( ):          4098dd84  411df298  [heap]

需要查看哪出的问题，需要用一个工具来定位，如下方法：

arm-linux-androideabi-addr2line -e out/target/product/nusmart7_pad/symbols/system/lib/libMali.so 

完。