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
posted on 2010-03-06 12:56
Xu Jianxiang 阅读(3734)
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