unleashed-firmware/debug/FreeRTOS/FreeRTOSgdb/GDBCommands.py

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2020-10-17 13:34:16 +00:00
# File: GDBCommands.py
# Author: Carl Allendorph
# Date: 05NOV2014
#
# Description:
# This file contains the implementation of some custom
# GDB commands for Inspecting the FreeRTOS state
import gdb
from .List import ListInspector
from .Task import TaskInspector
from .HandleRegistry import HandleRegistry
from .QueueTools import *
class ShowQueueInfo(gdb.Command):
"""Generate a print out of info about a particular
set of queues.
"""
def __init__(self):
super(ShowQueueInfo, self).__init__("show Queue-Info", gdb.COMMAND_SUPPORT)
def invoke(self, arg, from_tty):
argv = gdb.string_to_argv(arg)
qTypes = []
if len(argv) > 0:
for a in argv:
try:
qType = QueueMode.Map[a]
qTypes.append(qType)
except KeyError:
print("Arg %s does not map to a Queue Type!" % a)
reg = HandleRegistry()
qToShow = []
if len(qTypes) > 0:
# We will only print info about queues
for qType in qTypes:
qObjs = reg.FilterBy(qType)
qToShow.extend(qObjs)
else:
qToShow = reg.FilterBy(None)
print("Num Queues: %d" % len(qToShow))
print("%20s %4s %16s %16s" % ("NAME", "CNT", "SEND", "RECEIVE"))
for q in qToShow:
self.PrintQueueInfo(q)
def PrintQueueInfo(self, q):
"""Print Info about the Queue"""
sendList = q.GetTasksWaitingToSend()
rxList = q.GetTasksWaitingToReceive()
# print("TxLen: %d, RxLen: %d" % (len(sendList), len(rxList)))
maxCount = max(len(sendList), len(rxList))
outputFmt = "%20s %4s %16s %16s"
if maxCount == 0:
print(outputFmt % (q.GetName(), q.GetQueueMessagesWaiting(), "", ""))
else:
for i in range(0, maxCount):
txName = ""
if i < len(sendList):
tcbRef, val = sendList[i]
tcb = TaskInspector(tcbRef)
txName = tcb.GetName()
rxName = ""
if i < len(rxList):
tcbRef, val = rxList[i]
tcb = TaskInspector(tcbRef)
rxName = tcb.GetName()
if i == 0:
print(
outputFmt
% (q.GetName(), q.GetQueueMessagesWaiting(), txName, rxName)
)
else:
print(outputFmt % ("", "", txName, rxName))
class ShowHandleName(gdb.Command):
"""Generate a print out of the handle by name"""
def __init__(self):
super(ShowHandleName, self).__init__("show Handle-Name", gdb.COMMAND_SUPPORT)
def invoke(self, arg, from_tty):
argv = gdb.string_to_argv(arg)
if len(argv) != 1:
print("Invalid Argument: Requires one handle arg")
handle = int(argv[0], 0)
reg = HandleRegistry()
name = reg.GetName(handle)
print("Handle 0x%08x: %s" % (handle, name))
class ShowRegistry(gdb.Command):
"""Generate a print out of the queue handle registry"""
def __init__(self):
super(ShowRegistry, self).__init__("show Handle-Registry", gdb.COMMAND_SUPPORT)
def invoke(self, arg, from_tty):
reg = HandleRegistry()
reg.PrintRegistry()
class ShowList(gdb.Command):
"""Generate a print out of the elements in a list
passed to this command. User must pass a symbol that
will be looked up.
"""
def __init__(self):
super(ShowList, self).__init__(
"show List-Handle", gdb.COMMAND_SUPPORT, gdb.COMPLETE_SYMBOL
)
def invoke(self, arg, from_tty):
argv = gdb.string_to_argv(arg)
CastTypeStr = None
if len(argv) > 0:
symbolArg = argv[0]
if len(argv) > 1:
CastTypeStr = argv[1]
listVal = ListInspector(symbolArg)
elems = listVal.GetElements(CastTypeStr)
for elem in elems:
print("Elem: %s" % str(elem))