feat: 新增解析异常和backtrace信息脚本

close: #I47EVQ
Signed-off-by: Nzff <zhangfanfan2@huawei.com>
Change-Id: Id9c373bf6b36cda024317f927974b08ca61fd9ec

tools/scripts/parse_exc/parse_excinfo.py

+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+
+#
+# Copyright (c) 2021 Huawei Device Co., Ltd.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import sys
+import os
+import argparse
+import commands
+import io
+
+def find_string(excinfo_file, string):
+    res = ''
+    with open(excinfo_file, 'r+') as f:
+        for lines in f:
+            if string in lines:
+                res = lines
+                break
+    return res
+
+def is_kernel_exc(excinfo_file):
+    res = find_string(excinfo_file, 'excFrom: kernel')
+    print(res)
+    return res != ''
+
+def is_user_exc(excinfo_file):
+    res = find_string(excinfo_file, 'excFrom: User')
+    print(res)
+    return res != ''
+
+def parse_string_line(excinfo_file, string):
+    line = find_string(excinfo_file, string)
+    if line == '':
+        print("%s is not in %s\n" %(string, excinfo_file))
+        return ''
+    line = line.replace('\n', '')
+    strlist = line.split(' ')
+    return strlist
+
+def parse_kernel_pc_klr(excinfo_file, ohos_image_file, string, addr2line_cmd, objdump_cmd):
+    #parse pc
+    f = open(excinfo_file, 'r+')
+    start = 0
+    for lines in f.readlines():
+        if 'excFrom: kernel' in lines:
+            if start == 1:
+                break
+            start = 1
+        if start and string in lines:
+            lines = lines[lines.find(string):]
+            strlist = lines.split()
+            cmd = objdump_cmd + ohos_image_file + ' | grep ' + strlist[2][2:] + ': -B 10 -A 5 -w'
+            ret = commands.getoutput(cmd)
+            print(ret)
+            cmd = addr2line_cmd + ohos_image_file + ' ' + strlist[2]
+            ret = commands.getoutput(cmd)
+            ret = ret.split('\n')
+            print('<' + string + '>' + ret[0] + ' <' + strlist[2] + '>\n')
+            f.close() 
+            return 0
+    f.close()
+    return -1
+
+def parse_kernel_lr(excinfo_file, ohos_image_file, addr2line_cmd):
+    f = open(excinfo_file, 'r+')
+    start = 0
+    index = 1
+    for lines in f.readlines():
+        if 'excFrom: kernel' in lines:
+            if start == 1:
+                break
+            start = 1
+        if start and 'lr =' in lines:
+            lines = lines[lines.find('lr ='):]
+            strlist = lines.split()
+            cmd = addr2line_cmd + ohos_image_file + ' ' + strlist[2]
+            ret = commands.getoutput(cmd)
+            ret = ret.split('\n')
+            print('<%.2d'%index + '>' + ret[0] + ' <' + strlist[2] + '>')
+            index = index + 1
+
+    f.close()
+
+def parse_kernel_exc(excinfo_file, ohos_image_file, addr2line_cmd, objdump_cmd):
+    #parse pc, klr
+    ret1 = parse_kernel_pc_klr(excinfo_file, ohos_image_file, 'pc', addr2line_cmd, objdump_cmd)
+    ret2 = parse_kernel_pc_klr(excinfo_file, ohos_image_file, 'klr', addr2line_cmd, objdump_cmd)
+    #parse lr
+    parse_kernel_lr(excinfo_file, ohos_image_file, addr2line_cmd)
+    return ret1 and ret2
+
+def parse_user_pc_ulr(excinfo_file, rootfs_dir, string, addr2line_cmd, objdump_cmd):
+    #parse pc
+    f = open(excinfo_file, 'r+')
+    start = 0
+    for lines in f.readlines():
+        if 'excFrom: User' in lines:
+            if start == 1:
+                break
+            start = 1
+        if start and string in lines:
+            lines = lines[lines.find(string):]
+            strlist = lines.split()
+            if len(strlist) < 7:
+                print('%s is error'%string)
+                f.close()
+                return 0
+            cmd = objdump_cmd + rootfs_dir + strlist[4] + ' | grep ' + strlist[6][2:] + ': -B 10 -A 5 -w'
+            ret = commands.getoutput(cmd)
+            print(ret)
+            cmd = addr2line_cmd + rootfs_dir + strlist[4] + ' ' + strlist[6]
+            #print(cmd)
+            ret = commands.getoutput(cmd)
+            ret = ret.split('\n')
+            print('<' + string + '>' + ret[0] + ' <' + strlist[6] + '>' + '<' + strlist[4] + '>\n')
+            f.close() 
+            return 0
+    f.close()
+    return -1
+
+def parse_user_lr(excinfo_file, rootfs_dir, addr2line_cmd):
+    f = open(excinfo_file, 'r+')
+    start = 0
+    index = 1
+    for lines in f.readlines():
+        if 'excFrom: User' in lines:
+            if start == 1:
+                break
+            start = 1
+        if start and 'lr =' in lines:
+            lines = lines[lines.find('lr ='):]
+            strlist = lines.split()
+            if len(strlist) < 11:
+                print('%s is error'%strlist)
+                f.close()
+                return
+            cmd = addr2line_cmd + rootfs_dir + strlist[8] + ' ' + strlist[10]
+            res = commands.getoutput(cmd)
+            res = res.split('\n')
+            print('<%.2d>'%index + res[0] + ' <' + strlist[10] + '>' + '<' + strlist[8] + '>')
+            index = index + 1
+
+    f.close()
+
+def parse_user_exc(excinfo_file, rootfs_dir, addr2line_cmd, objdump_cmd):
+    #parse pc ulr
+    ret1 = parse_user_pc_ulr(excinfo_file, rootfs_dir, 'pc', addr2line_cmd, objdump_cmd)
+    ret2 = parse_user_pc_ulr(excinfo_file, rootfs_dir, 'ulr', addr2line_cmd, objdump_cmd)
+    #parse lr
+    parse_user_lr(excinfo_file, rootfs_dir, addr2line_cmd)
+    return ret1 and ret2
+
+def parse_backtrace(backtrace_file, ohos_image_file, addr2line_cmd):
+    f = open(backtrace_file, 'r+')
+    find = -1
+    start = 0
+    index = 1
+    for lines in f.readlines():
+        if 'backtrace begin' in lines:
+            if start == 1:
+                break
+            start = 1
+        if start and 'lr =' in lines:
+            lines = lines[lines.find('lr ='):]
+            strlist = lines.split()
+            cmd = addr2line_cmd + ohos_image_file + ' ' + strlist[2]
+            ret = commands.getoutput(cmd)
+            ret = ret.split('\n')
+            print('\n<%.2d'%index + '>' + ret[0] + ' <' + strlist[2] + '>')
+            index = index + 1
+            find = 0
+
+    f.close()
+    return find
+
+def parse_excinfo(excinfo_file, ohos_image_file, rootfs_dir, addr2line_cmd, objdump_cmd):
+    cmd = 'dos2unix ' + excinfo_file
+    commands.getoutput(cmd)
+    kernel_exc = is_kernel_exc(excinfo_file)
+    user_exc = is_user_exc(excinfo_file)
+
+    if kernel_exc == False and user_exc == False:
+        if parse_backtrace(excinfo_file, ohos_image_file, addr2line_cmd) != 0:
+            print("%s is not a excinfo or backtrace file\n"%excinfo_file)
+            return -1
+        else:
+            return 0
+    if user_exc:
+        if rootfs_dir != None:
+            return parse_user_exc(excinfo_file, rootfs_dir, addr2line_cmd, objdump_cmd)
+        else:
+            print('error: rootfs_dir is none')
+            return -1
+    return parse_kernel_exc(excinfo_file, ohos_image_file, addr2line_cmd, objdump_cmd)
+
+def parse_compiler(compiler):
+    addr2line = ''
+    addr2line_cmd = ''
+    objdump = ''
+    objdump_cmd = ''
+    cmd = 'which ' + compiler
+    ret = commands.getoutput(cmd)
+    if ret == '':
+        print('%s is not exist'%compiler)
+        return None
+    index1 = ret.rfind('gcc')
+    index2 = ret.rfind('clang')
+    if index1 != -1:
+        addr2line = ret[0:index1] + 'addr2line'
+        objdump = ret[0:index1] + 'objdump'
+    elif index2 != -1:
+        index3 = ret.rfind('/')
+        addr2line = ret[0:index3 + 1] + 'llvm-addr2line'
+        objdump = ret[0:index3 + 1] + 'llvm-objdump'
+    else:
+        print('%s is not arm-xxx-xxx-gcc or clang'%compiler)
+        return None
+    addr2line_cmd = addr2line + ' -C -f -e '
+    objdump_cmd = objdump + ' -d '
+    return [addr2line_cmd, objdump_cmd]
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--f', help = 'excinfo file or backtrace file')
+    parser.add_argument('--e', help = 'elf system image file')
+    parser.add_argument('--r', help = 'the path of rootfs')
+    parser.add_argument('--c', help = 'compiler [arm-xxx-xxx-gcc/clang]')
+    args = parser.parse_args()
+
+    if args.f == None or args.e == None:
+        print("input error\n")
+        parser.print_help()
+        return -1
+
+    excinfo_file = args.f
+    ohos_image_file = args.e
+    rootfs_dir = args.r
+
+    addr2line_cmd = 'llvm-addr2line -C -f -e '
+    objdump_cmd = 'llvm-objdump -d '
+    if args.c != None:
+        cmd = parse_compiler(args.c)
+        if cmd == None:
+            return -1
+        addr2line_cmd = cmd[0]
+        objdump_cmd = cmd[1]
+    return parse_excinfo(excinfo_file, ohos_image_file, rootfs_dir, addr2line_cmd, objdump_cmd)
+
+if __name__ == "__main__":
+    sys.exit(main())