Android 調試.so庫檔案

來自： http://blog.csdn.net/netpirate/article/details/5351709

調試步驟如下：
1/ 將異常的地址資訊存到文字檔，並存放在項目根目錄；
2/ 使用panic.py解析該檔案；
3/ 根據返回的資訊(檔案名稱;行號;方法名)偵錯工具。

以操作第三方的Touch input IME為例，過程如下：

# 該IME的英文和手寫OK，操作中文IME時，出現異常，軟鍵盤消失，異常日誌如下

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

# 儲存異常日誌，存為檔案: 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

# 執行指令碼

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

# 沒找到庫檔案，因為這個檔案是第三方的，只存放在/out/target/product/generic/system/lib /libimezi.so，拷貝一份存到/out/target/product/generic/symbols/system/lib /libimezi.so，再次執行指令碼

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

# 成功解析異常，沒有zi8庫檔案所致，更新如下庫檔案，IME支援中文拼音。

/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 parserimport osimport stringimport sys#define Android product name#Android_PRODUCT_NAME = 'generic'Android_PRODUCT_NAME = 'smdk6410'Android_WORKSPACE = os.getcwd()+"/"# addr2line tool path and symbol pathaddr2line_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 resultclass 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.argvif 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])