140 lines
4.0 KiB
Python
140 lines
4.0 KiB
Python
# File: GDBCommands.py
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# Author: Carl Allendorph
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# Date: 05NOV2014
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#
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# Description:
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# This file contains the implementation of some custom
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# GDB commands for Inspecting the FreeRTOS state
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import gdb
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from .List import ListInspector
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from .Task import TaskInspector
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from .HandleRegistry import HandleRegistry
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from .QueueTools import *
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class ShowQueueInfo(gdb.Command):
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"""Generate a print out of info about a particular
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set of queues.
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"""
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def __init__(self):
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super(ShowQueueInfo, self).__init__("show Queue-Info", gdb.COMMAND_SUPPORT)
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def invoke(self, arg, from_tty):
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argv = gdb.string_to_argv(arg)
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qTypes = []
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if len(argv) > 0:
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for a in argv:
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try:
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qType = QueueMode.Map[a]
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qTypes.append(qType)
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except KeyError:
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print("Arg %s does not map to a Queue Type!" % a)
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reg = HandleRegistry()
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qToShow = []
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if len(qTypes) > 0:
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# We will only print info about queues
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for qType in qTypes:
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qObjs = reg.FilterBy(qType)
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qToShow.extend(qObjs)
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else:
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qToShow = reg.FilterBy(None)
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print("Num Queues: %d" % len(qToShow))
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print("%20s %4s %16s %16s" % ("NAME", "CNT", "SEND", "RECEIVE"))
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for q in qToShow:
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self.PrintQueueInfo(q)
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def PrintQueueInfo(self, q):
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"""Print Info about the Queue"""
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sendList = q.GetTasksWaitingToSend()
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rxList = q.GetTasksWaitingToReceive()
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# print("TxLen: %d, RxLen: %d" % (len(sendList), len(rxList)))
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maxCount = max(len(sendList), len(rxList))
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outputFmt = "%20s %4s %16s %16s"
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if maxCount == 0:
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print(outputFmt % (q.GetName(), q.GetQueueMessagesWaiting(), "", ""))
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else:
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for i in range(0, maxCount):
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txName = ""
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if i < len(sendList):
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tcbRef, val = sendList[i]
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tcb = TaskInspector(tcbRef)
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txName = tcb.GetName()
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rxName = ""
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if i < len(rxList):
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tcbRef, val = rxList[i]
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tcb = TaskInspector(tcbRef)
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rxName = tcb.GetName()
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if i == 0:
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print(
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outputFmt
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% (q.GetName(), q.GetQueueMessagesWaiting(), txName, rxName)
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)
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else:
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print(outputFmt % ("", "", txName, rxName))
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class ShowHandleName(gdb.Command):
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"""Generate a print out of the handle by name"""
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def __init__(self):
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super(ShowHandleName, self).__init__("show Handle-Name", gdb.COMMAND_SUPPORT)
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def invoke(self, arg, from_tty):
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argv = gdb.string_to_argv(arg)
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if len(argv) != 1:
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print("Invalid Argument: Requires one handle arg")
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handle = int(argv[0], 0)
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reg = HandleRegistry()
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name = reg.GetName(handle)
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print("Handle 0x%08x: %s" % (handle, name))
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class ShowRegistry(gdb.Command):
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"""Generate a print out of the queue handle registry"""
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def __init__(self):
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super(ShowRegistry, self).__init__("show Handle-Registry", gdb.COMMAND_SUPPORT)
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def invoke(self, arg, from_tty):
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reg = HandleRegistry()
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reg.PrintRegistry()
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class ShowList(gdb.Command):
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"""Generate a print out of the elements in a list
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passed to this command. User must pass a symbol that
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will be looked up.
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"""
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def __init__(self):
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super(ShowList, self).__init__(
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"show List-Handle", gdb.COMMAND_SUPPORT, gdb.COMPLETE_SYMBOL
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)
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def invoke(self, arg, from_tty):
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argv = gdb.string_to_argv(arg)
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CastTypeStr = None
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if len(argv) > 0:
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symbolArg = argv[0]
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if len(argv) > 1:
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CastTypeStr = argv[1]
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listVal = ListInspector(symbolArg)
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elems = listVal.GetElements(CastTypeStr)
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for elem in elems:
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print("Elem: %s" % str(elem))
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