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#
# RTEMS Pretty Printers
# Copyright 2010 Chris Johns (chrisj@rtems.org)
#
# $Id$
#
import gdb
import re
import objects
import threads
import classic
class rtems(gdb.Command):
"""Prefix command for RTEMS."""
def __init__(self):
super(rtems, self).__init__('rtems',
gdb.COMMAND_STATUS,
gdb.COMPLETE_NONE,
True)
class rtems_object(gdb.Command):
"""Object sub-command for RTEMS"""
objects = {
'classic/semaphores': lambda obj: classic.semaphore(obj),
'classic/tasks': lambda obj: classic.task(obj),
'classic/message_queues': lambda obj: classic.message_queue(obj),
'classic/timers' : lambda obj: classic.timer(obj),
'classic/partitions' : lambda obj: classic.partition(obj),
'classic/regions' : lambda obj: classic.region(obj),
'classic/barriers' : lambda obj: classic.barrier(obj)
}
def __init__(self):
self.__doc__ = 'Display the RTEMS object given a numeric ID \
(Or a reference to rtems_object).'
super(rtems_object, self).__init__('rtems object',
gdb.COMMAND_DATA,
gdb.COMPLETE_SYMBOL)
def invoke(self, arg, from_tty):
for num in arg.split():
try:
val = gdb.parse_and_eval(num)
num = int(val)
except:
print 'error: "%s" is not a number' % (num)
return
id = objects.ident(num)
if not id.valid():
print 'Invalid object id'
return
print 'API:%s Class:%s Node:%d Index:%d Id:%08X' % \
(id.api(), id._class(), id.node(), id.index(), id.value())
objectname = id.api() + '/' + id._class()
obj = objects.information.object(id).dereference()
if objectname in self.objects:
object = self.objects[objectname](obj)
object.show(from_tty)
objects.information.invalidate()
class rtems_index(gdb.Command):
'''Print object by index'''
api = 'classic'
_class = ''
def __init__(self,command):
super(rtems_index, self).__init__( command,
gdb.COMMAND_DATA,
gdb.COMPLETE_NONE)
def instance(self,obj):
'''Returns a n instance of corresponding object, the child should extend this'''
return obj
def invoke(self, arg, from_tty):
for val in arg.split():
try:
index = int(val)
except ValueError:
print "error: %s is not an index" % (val)
return
try:
obj = objects.information.object_return( self.api,
self._class,
index ).dereference()
except IndexError:
print "error: index %s is invalid" % (index)
return
instance = self.instance(obj)
instance.show(from_tty)
objects.information.invalidate()
class rtems_semaphore(rtems_index):
'''semaphore subcommand'''
_class = 'semaphores'
def __init__(self):
self.__doc__ = 'Display RTEMS semaphore(s) by index(es)'
super(rtems_semaphore, self).__init__('rtems semaphore')
def instance(self,obj):
return classic.semaphore(obj)
class rtems_task(rtems_index):
'''tasks subcommand for rtems'''
_class = 'tasks'
def __init__(self):
self.__doc__ = 'Display RTEMS task(s) by index(es)'
super(rtems_task,self).__init__('rtems task')
def instance(self,obj):
return classic.task(obj)
class rtems_message_queue(rtems_index):
'''Message Queue subcommand'''
_class = 'message_queues'
def __init__(self):
self.__doc__ = 'Display RTEMS message_queue(s) by index(es)'
super(rtems_message_queue,self).__init__('rtems mqueue')
def instance(self,obj):
return classic.message_queue(obj)
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