mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-27 23:10:22 +00:00
103 lines
3.3 KiB
Python
103 lines
3.3 KiB
Python
|
# File: List.py
|
||
|
|
# Author: Carl Allendorph
|
||
|
|
# Date: 05NOV2014
|
||
|
|
#
|
||
|
|
# Description:
|
||
|
|
# This file contains the class for inspecting
|
||
|
|
# a FreeRTOS List Object
|
||
|
|
#
|
||
|
|
|
||
|
|
|
||
|
|
import gdb
|
||
|
|
|
||
|
|
from .Types import StdTypes
|
||
|
|
|
||
|
|
|
||
|
|
class ListInspector:
|
||
|
|
"""FreeRTOS List Inspector Object"""
|
||
|
|
|
||
|
|
ListType = gdb.lookup_type("List_t")
|
||
|
|
|
||
|
|
def __init__(self, handle):
|
||
|
|
self._list = None
|
||
|
|
# print("List: Handle: %s" % handle)
|
||
|
|
self.Assign(handle)
|
||
|
|
|
||
|
|
def Assign(self, listObj):
|
||
|
|
try:
|
||
|
|
if listObj.type == ListInspector.ListType:
|
||
|
|
self._list = listObj
|
||
|
|
return
|
||
|
|
else:
|
||
|
|
raise TypeError("Invalid List Object Type!")
|
||
|
|
except Exception as exc:
|
||
|
|
# print(" Failed to assign from List object: %s" % str(exc))
|
||
|
|
pass
|
||
|
|
|
||
|
|
symbol, methodObj = gdb.lookup_symbol(listObj)
|
||
|
|
if symbol != None:
|
||
|
|
self._list = symbol.value()
|
||
|
|
else:
|
||
|
|
addrInt = int(listObj, 0)
|
||
|
|
listObjPtr = gdb.Value(addrInt).cast(ListInspector.ListType.pointer())
|
||
|
|
self._list = listObjPtr.dereference()
|
||
|
|
|
||
|
|
def GetElements(self, CastTypeStr=None, startElem=1):
|
||
|
|
"""Get the Elements of the list as an array of
|
||
|
|
gdb.Value type objects.
|
||
|
|
@param CastTypeStr string name of the type of object that
|
||
|
|
we will cast the void *pvOwner elements of the list to.
|
||
|
|
User can also pass a L{gdb.Type} object as the type
|
||
|
|
If None, we will simply cast to uint32_t and print these
|
||
|
|
as hex values.
|
||
|
|
@param startElem This is a flag to indicate whether
|
||
|
|
we will start getting elements starting at 0 or 1. Note
|
||
|
|
that this is to deal with some non-consistent behavior
|
||
|
|
of some of the TCB Task lists.
|
||
|
|
"""
|
||
|
|
if self._list != None:
|
||
|
|
|
||
|
|
CastType = None
|
||
|
|
if CastTypeStr != None:
|
||
|
|
if type(CastTypeStr) == str:
|
||
|
|
try:
|
||
|
|
CastType = gdb.lookup_type(CastTypeStr).pointer()
|
||
|
|
except:
|
||
|
|
print("Failed to find type: %s" % CastTypeStr)
|
||
|
|
elif type(CastTypeStr) == gdb.Type:
|
||
|
|
CastType = CastTypeStr.pointer()
|
||
|
|
|
||
|
|
resp = []
|
||
|
|
numElems = self._list["uxNumberOfItems"]
|
||
|
|
# print("List Elements: %d" % numElems)
|
||
|
|
index = self._list["pxIndex"]
|
||
|
|
|
||
|
|
if numElems > 0 and numElems < 200:
|
||
|
|
|
||
|
|
if startElem == 0:
|
||
|
|
curr = index
|
||
|
|
else:
|
||
|
|
curr = index["pxPrevious"]
|
||
|
|
|
||
|
|
for i in range(0, numElems):
|
||
|
|
owner = curr["pvOwner"]
|
||
|
|
|
||
|
|
ownerObj = None
|
||
|
|
if CastType != None:
|
||
|
|
castObjPtr = owner.cast(CastType)
|
||
|
|
castObj = castObjPtr.dereference()
|
||
|
|
ownerObj = castObj
|
||
|
|
else:
|
||
|
|
ownerUInt = owner.cast(StdTypes.uint32_t)
|
||
|
|
ownerObj = ownerUInt
|
||
|
|
|
||
|
|
itemVal = curr["xItemValue"]
|
||
|
|
resp.append((ownerObj, itemVal.cast(StdTypes.uint32_t)))
|
||
|
|
|
||
|
|
curr = curr["pxPrevious"]
|
||
|
|
|
||
|
|
return resp
|
||
|
|
|
||
|
|
else:
|
||
|
|
raise ValueError("Invalid List Object - Possibly Failed to Initialize!")
|