コード例 #1
0
ファイル: extract_vtables.py プロジェクト: UCSD-PL/ivt
 def __getattribute__(self, name):
   if name == "fullname" and self.__dict__[name] is None:
       fn = demangle(name)
       self.__dict__["fullname"] = fn
       return fn
   else:
     return self.__dict__[name]
コード例 #2
0
 def __getattribute__(self, name):
     if name == "fullname" and self.__dict__[name] is None:
         fn = demangle(name)
         self.__dict__["fullname"] = fn
         return fn
     else:
         return self.__dict__[name]
コード例 #3
0
    def loadSymbols(self):
        symAddrSet = set()
        syms = []
        vtnRe = re.compile(r'(construction )?vtable for (.*)')

        readelf = subprocess.Popen(('readelf', '-sW', self.elf_filename),
                                   stdout=subprocess.PIPE)
        output = subprocess.check_output(('grep', '-iP', ' (_Z|_SD_Z|_SVT_Z)'),
                                         stdin=readelf.stdout)
        readelf.wait()

        try:
            for line in output.split('\n'):
                cols = line.split()
                try:
                    if len(cols) < 8 or int(cols[6]) <= 0:
                        continue
                except ValueError:
                    continue

                addr = int(cols[1], 16)
                size = VTableExtractor.atoi(cols[2])
                secId = int(cols[6])

                if (addr, secId) in symAddrSet:
                    continue

                name = cols[7]

                fullname = None
                isVtable = False
                isCons = False

                if any(
                        map(name.startswith,
                            ["_ZTV", "_ZTC", "_SD_ZTV", "_SD_ZTC"])):
                    isVtable = True
                    if name.startswith("_SD"):
                        name = name[3:]
                    fullname = demangle(name)
                    m = vtnRe.match(fullname)
                    fullname = m.group(2)
                    isCons = m.group(1) is not None

                syms.append(
                    Bunch(addr=addr,
                          size=size,
                          secId=secId,
                          name=name,
                          fullname=fullname,
                          isCons=isCons,
                          isVtable=isVtable))

                symAddrSet.add((addr, secId))
            return syms
        except Exception as e:
            print "while reading symbols: %s\n%s " % (e, line)
            sys.exit(-1)
コード例 #4
0
ファイル: extract_vtables.py プロジェクト: UCSD-PL/ivt
  def loadSymbols(self):
    symAddrSet = set()
    syms = []
    vtnRe = re.compile(r'(construction )?vtable for (.*)')

    readelf = subprocess.Popen(('readelf', '-sW', self.elf_filename),
                               stdout=subprocess.PIPE)
    output = subprocess.check_output(('grep', '-iP', ' (_Z|_SD_Z|_SVT_Z)'),
                                     stdin=readelf.stdout)
    readelf.wait()

    try:
      for line in output.split('\n'):
        cols = line.split()
        try:
          if len(cols) < 8 or int(cols[6]) <= 0:
            continue
        except ValueError:
          continue

        addr     = int(cols[1],16)
        size     = VTableExtractor.atoi(cols[2])
        secId    = int(cols[6])

        if (addr,secId) in symAddrSet:
          continue

        name     = cols[7]

        fullname = None
        isVtable = False
        isCons   = False

        if any(map(name.startswith, ["_ZTV", "_ZTC", "_SD_ZTV", "_SD_ZTC"])):
          isVtable = True
          if name.startswith("_SD"):
            name = name[3:]
          fullname = demangle(name)
          m        = vtnRe.match(fullname)
          fullname = m.group(2)
          isCons   = m.group(1) is not None

        syms.append(Bunch(addr=addr, size=size, secId=secId, name=name,
                          fullname=fullname, isCons=isCons, isVtable=isVtable))

        symAddrSet.add((addr,secId))
      return syms
    except Exception as e:
      print "while reading symbols: %s\n%s " % (e,line)
      sys.exit(-1)