more Python for GDB debugging

ff.py

# (gdb) python execfile ("/home/kcantu/Desktop/gdbScripts/ff.py")


# given address as string
def contentOfStr (addy):
   return gdb.parse_and_eval ('({nsIContent} ' + addy + ')')


# given content as gdb.Value
def nameOfContent (content):
   name = ''
   for ii in range(0,11,1):
      achar = content['mNodeInfo']['mRawPtr']['mNodeName']['mData'][ii]

      if achar != 0:
         name += chr(achar)
      else:
         break
   return name


# given nsIContent as a string
def nameOfStr (addy):
   return (nameOfContent (contentOfStr (addy)))


#def childTextOf (nodeAddrStr):
# content = gdb.parse_and_eval ('({nsIContent} ' + nodeAddrStr + ')')
# childText = content['mFirstChild'].GetText() #->m1b
# print "ok"


def documentOfFrame (frameVarName):
   #(gdb) print (aFrameList.mFirstChild->mContent->mNodeInfo.mRawPtr->mDocument)

   frame = gdb.parse_and_eval (frameVarName)
   return frame['mContent']['mNodeInfo']['mRawPtr']['mDocument']

# list the children of a node
# given its address as a string
def printChildrenOf (indent, node):
   if node == 0:
      return
   else:
      # print this node
      print "%s%s /%s/" % ((indent * " "), hex(long(node)), nameOfContent(node))

      # get its first child
      child = node['mFirstChild']
      printChildrenOf (indent+3,child) # recurse
         
      # get more children
      for jj in range(0,1024,1):
         if child != 0:
            child = child['mNextSibling']
            printChildrenOf (indent+3,child) # recurse
         else:
            break

      return


# print heirarchy of a content tree, given the name of a frame
def printDocumentOfFrame (name):
   printChildrenOf (0, documentOfFrame (name))

Note: http://dmalcolm.fedorapeople.org/presentations/PyCon-US-2011/GdbPythonPresentation/GdbPython.html