Android 调试.so库文件

作者：徐建祥(netpirate@gmail.com)
日期：2010/03/06
网址：http://www.anymobile.org

 

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：

1#!/usr/bin/python 2# stack symbol parser 3 4import os 5import string 6import sys 7 8#define android product name 9#ANDROID_PRODUCT_NAME = 'generic' 10ANDROID_PRODUCT_NAME = 'smdk6410' 11 12ANDROID_WORKSPACE = os.getcwd()+"/" 13 14# addr2line tool path and symbol path 15addr2line_tool = ANDROID_WORKSPACE + 'prebuilt/linux-x86/toolchain/arm-eabi-4.2.1/bin/arm-eabi-addr2line' 16symbol_dir = ANDROID_WORKSPACE + 'out/target/product/' + ANDROID_PRODUCT_NAME +'/symbols' 17symbol_bin = symbol_dir + '/system/bin/' 18symbol_lib = symbol_dir + '/system/lib/' 19 20class ReadLog: 21 def __init__(self,filename): 22 self.logname = filename 23 def parse(self): 24 f = file(self.logname,'r') 25 lines = f.readlines() 26 if lines != []: 27 print 'read file ok' 28 else: 29 print 'read file failed' 30 result =[] 31 for line in lines: 32 if line.find('stack') != -1: 33 print 'stop search' 34 break 35 elif line.find('system') != -1: 36 #print 'find one item' + line 37 result.append(line) 38 return result 39 40class ParseContent: 41 def __init__(self,addr,lib): 42 self.address = addr # pc address 43 self.exename = lib # executable or shared library 44 def addr2line(self): 45 cmd = addr2line_tool + " -C -f -s -e " + symbol_dir + self.exename + " " + self.address 46 #print cmd 47 stream = os.popen(cmd) 48 lines = stream.readlines(); 49 list = map(string.strip,lines) 50 return list 51 52inputarg = sys.argv 53if len(inputarg) < 2: 54 print 'Please input panic log' 55 exit() 56 57filename = inputarg[1] 58readlog = ReadLog(filename) 59inputlist = readlog.parse() 60 61for item in inputlist: 62 itemsplit = item.split() 63 test = ParseContent(itemsplit[-2],itemsplit[-1]) 64 list = test.addr2line() 65 print "%-30s%s" % (list[1],list[0]) 66

 

http://blog.youkuaiyun.com/netpirate/archive/2010/03/06/5351709.aspx