unleashed-firmware/scripts/debug/FreeRTOS/FreeRTOSgdb/List.py
あく f57f0efc48
Debug: revert cortex debug to lxml and drop DWT (#2651)
* Debug: revert cortex debug to lxml

* Debug: update PyCortexMDebug readme

* fbt: moved "debug" dir to "scripts" subfolder

* ufbt: added missing debug_other & debug_other_blackmagic targets; github: fixed script bundling

* lint: fixed formatting on debug scripts

* vscode: updated configuration for debug dir changes

---------

Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: hedger <hedger@nanode.su>
2023-05-09 03:31:44 +04:00

101 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!")