Android 调试.so库文件【转】

来自： http://blog.youkuaiyun.com/netpirate/article/details/5351709

调试步骤如下：
1/ 将异常的地址信息存到文本文件，并存放在项目根目录；
2/ 使用panic.py解析该文件；
3/ 根据返回的信息(文件名;行号;方法名)调试程序。

以操作第三方的Touch input 输入法为例，过程如下：

# 该输入法的英文和手写OK，操作中文输入法时，出现异常，软键盘消失，异常日志如下

02-05 06:41:19.834 D/dalvikvm(  751): Trying to load lib /system/lib/libimezi.so 0x43e2a788

02-05 06:41:19.874 D/dalvikvm(  751): Added shared lib /system/lib/libimezi.so 0x43e2a788
02-05 06:41:20.035 I/DEBUG   (  551): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
02-05 06:41:20.035 I/DEBUG   (  551): Build fingerprint: 'unknown'
02-05 06:41:20.035 I/DEBUG   (  551): pid: 751, tid: 751  >>> com.htc.Android.cime <<<
02-05 06:41:20.045 I/DEBUG   (  551): signal 11 (SIGSEGV), fault addr 00000003
02-05 06:41:20.045 I/DEBUG   (  551):  r0 00000000  r1 00000000  r2 807248ec  r3 807248ec
02-05 06:41:20.055 I/DEBUG   (  551):  r4 00252d80  r5 00000004  r6 00000001  r7 00000000
02-05 06:41:20.055 I/DEBUG   (  551):  r8 beff8550  r9 41459d28  10 41459d18  fp 00000000
02-05 06:41:20.055 I/DEBUG   (  551):  ip 8072430c  sp beff84f0  lr 80716b4f  pc 80717bce  cpsr 60000030
02-05 06:41:20.135 I/DEBUG   (  551):          #00  pc 00017bce  /system/lib/libimezi.so
02-05 06:41:20.135 I/DEBUG   (  551):          #01  pc 00010f80  /system/lib/libimezi.so
02-05 06:41:20.145 I/DEBUG   (  551): stack:
02-05 06:41:20.155 I/DEBUG   (  551):     beff84b0  ad083e10  
02-05 06:41:20.155 I/DEBUG   (  551):     beff84b4  ad05d44f  /system/lib/libdvm.so
02-05 06:41:20.155 I/DEBUG   (  551):     beff84b8  ad06b8a0  /system/lib/libdvm.so
02-05 06:41:20.155 I/DEBUG   (  551):     beff84bc  ad083e10  
02-05 06:41:20.167 I/DEBUG   (  551):     beff84c0  43e2aa90  
02-05 06:41:20.175 I/DEBUG   (  551):     beff84c4  00000003  
02-05 06:41:20.175 I/DEBUG   (  551):     beff84c8  00000014  
02-05 06:41:20.185 I/DEBUG   (  551):     beff84cc  80716b4f  /system/lib/libimezi.so

# 保存异常日志，存为文件: 20100205_ime.txt

02-05 06:41:20.045 I/DEBUG   (  551):  r0 00000000  r1 00000000  r2 807248ec  r3 807248ec
02-05 06:41:20.055 I/DEBUG   (  551):  r4 00252d80  r5 00000004  r6 00000001  r7 00000000
02-05 06:41:20.055 I/DEBUG   (  551):  r8 beff8550  r9 41459d28  10 41459d18  fp 00000000
02-05 06:41:20.055 I/DEBUG   (  551):  ip 8072430c  sp beff84f0  lr 80716b4f  pc 80717bce  cpsr 60000030
02-05 06:41:20.135 I/DEBUG   (  551):          #00  pc 00017bce  /system/lib/libimezi.so
02-05 06:41:20.135 I/DEBUG   (  551):          #01  pc 00010f80  /system/lib/libimezi.so

# 执行脚本

xujianxiang@wingdroid-clone:~/workspace/xujx/wing15$ ./panic.py 20100205_ime.txt 
read file ok
/home/xujianxiang/workspace/xujx/wing15/prebuilt/linux-x86/toolchain/arm-eabi-4.2.1/bin/arm-eabi-addr2line: '/home/xujianxiang/workspace/xujx/wing15/out/target/product/generic/symbols/system/lib/libimezi.so': No such file
Traceback (most recent call last):
  File "./panic.py", line 69, in <module>
    print "%-30s%s" % (list[1],list[0])
IndexError: list index out of range

# 没找到库文件，因为这个文件是第三方的，只存放在/out/target/product/generic/system/lib /libimezi.so，拷贝一份存到/out/target/product/generic/symbols/system/lib /libimezi.so，再次执行脚本

xujianxiang@wingdroid-clone:~/workspace/xujx/wing15$ ./panic.py 20100205_ime.txt 
read file ok
zi81keyd.c:0                  Zi8GetTableData
zi81keyd.c:0                  Zi8InitializeDynamic

# 成功解析异常，没有zi8库文件所致，更新如下库文件，输入法支持中文拼音。

/system/lib/zi/Zi8DatPYP_CN.z8d
/system/lib/zi/Zi8DatPYS_CN.z8d
/system/lib/zi/Zi8DatZHA_CN.z8d
/system/lib/zi/Zi8DatZHA_HK.z8d
/system/lib/zi/Zi8DatZHA_TW.z8d
/system/lib/zi/Zi8DatZYP_TW.z8d
/system/lib/zi/Zi8DatZYS_TW.z8d

附 panic.py：

#!/usr/bin/python # stack symbol parser   import  os import  string import  sys   #define Android product name #Android_PRODUCT_NAME = 'generic' Android_PRODUCT_NAME =  'smdk6410'   Android_WORKSPACE =  os.getcwd() + "/"   # addr2line tool path and symbol path addr2line_tool =  Android_WORKSPACE +  'prebuilt/linux-x86/toolchain/arm-eabi-4.2.1/bin/arm-eabi-addr2line' symbol_dir =  Android_WORKSPACE +  'out/target/product/'  +  ANDROID_PRODUCT_NAME + '/symbols' symbol_bin =  symbol_dir +  '/system/bin/' symbol_lib =  symbol_dir +  '/system/lib/'   class  ReadLog:      def  __init__( self ,filename):          self .logname =  filename      def  parse( self ):          f =  file ( self .logname, 'r' )          lines =  f.readlines()          if  lines ! =  []:              print  'read file ok'          else :              print  'read file failed'          result = []          for  line in  lines:              if  line.find( 'stack' ) ! =  - 1 :                  print  'stop search'                  break              elif  line.find( 'system' ) ! =  - 1 :                  #print 'find one item' + line                  result.append(line)          return  result   class  ParseContent:      def  __init__( self ,addr,lib):              self .address =  addr # pc address              self .exename =  lib  # executable or shared library      def  addr2line( self ):          cmd =  addr2line_tool +  " -C -f -s -e "  +  symbol_dir +  self .exename +  " "  +  self .address          #print cmd          stream =  os.popen(cmd)          lines =  stream.readlines();          list  =  map (string.strip,lines)          return  list      inputarg =  sys.argv if  len (inputarg) < 2 :      print  'Please input panic log'      exit()   filename =  inputarg[ 1 ] readlog =  ReadLog(filename) inputlist =  readlog.parse()   for  item in  inputlist:      itemsplit =  item.split()      test =  ParseContent(itemsplit[ - 2 ],itemsplit[ - 1 ])      list  =  test.addr2line()      print  "%-30s%s"  %  ( list [ 1 ], list [ 0 ])