Android 调试.so库文件

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

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