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
])
|