mirror of
https://git.rtems.org/rtems-tools/
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117 lines
3.5 KiB
Python
117 lines
3.5 KiB
Python
#
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# RTEMS Pretty Printers
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# Copyright 2010 Chris Johns (chrisj@rtems.org)
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#
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# $Id$
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#
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import gdb
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import re
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import objects
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import threads
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import classic
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# ToDo: Move every printing out
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import supercore_printer
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import classic_printer
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nesting = 0
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def type_from_value(val):
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type = val.type;
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# If it points to a reference, get the reference.
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if type.code == gdb.TYPE_CODE_REF:
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type = type.target ()
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# Get the unqualified type
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return type.unqualified ()
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def register_rtems_printers (obj):
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"Register RTEMS pretty-printers with objfile Obj."
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if obj == None:
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obj = gdb
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obj.pretty_printers.append (lookup_function)
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def lookup_function (val):
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"Look-up and return a pretty-printer that can print val."
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global nesting
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typename = str(type_from_value(val))
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for function in pp_dict:
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if function.search (typename):
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nesting += 1
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result = pp_dict[function] (val)
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nesting -= 1
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if nesting == 0:
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objects.information.invalidate()
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return result
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# Cannot find a pretty printer. Return None.
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return None
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def build_rtems_dict():
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pp_dict[re.compile('^rtems_id$')] = lambda val: supercore_printer.id(val)
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pp_dict[re.compile('^Objects_Id$')] = lambda val: supercore_printer.id(val)
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pp_dict[re.compile('^Objects_Name$')] = lambda val: supercore_printer.name(val)
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pp_dict[re.compile('^Objects_Control$')] = lambda val: supercore_printer.control(val)
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pp_dict[re.compile('^States_Control$')] = lambda val: supercore_printer.state(val)
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pp_dict[re.compile('^rtems_attribute$')] = lambda val: classic_printer.attribute(val)
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pp_dict[re.compile('^Semaphore_Control$')] = lambda val: classic_printer.semaphore(val)
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class rtems(gdb.Command):
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"""Prefix command for RTEMS."""
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def __init__(self):
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super(rtems, self).__init__('rtems',
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gdb.COMMAND_STATUS,
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gdb.COMPLETE_NONE,
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True)
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class rtems_object(gdb.Command):
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"""Object sub-command for RTEMS"""
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objects = {
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'classic/semaphores': lambda id: classic.semaphore(id),
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'classic/tasks': lambda id: classic.task(id),
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'classic/message_queues': lambda id: classic.message_queue(id),
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'classic/timers' : lambda id: classic.timer(id),
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'classic/partitions' : lambda id: classic.partition(id)
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}
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def __init__(self):
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self.__doc__ = 'Display the RTEMS object given a numeric ID.'
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super(rtems_object, self).__init__('rtems object',
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gdb.COMMAND_STATUS)
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def invoke(self, arg, from_tty):
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for num in arg.split():
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try:
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val = gdb.parse_and_eval(num)
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num = int(val)
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except:
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print 'error: "%s" is not a number' % (num)
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return
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id = objects.ident(num)
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if not id.valid():
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print 'Invalid object id'
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print 'API:%s Class:%s Node:%d Index:%d Id:%08X' % \
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(id.api(), id._class(), id.node(), id.index(), id.value())
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objectname = id.api() + '/' + id._class()
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if objectname in self.objects:
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object = self.objects[objectname](id)
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object.show(from_tty)
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objects.information.invalidate()
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#
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# Main
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#
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pp_dict = {}
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build_rtems_dict()
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gdb.pretty_printers = []
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gdb.pretty_printers.append (lookup_function)
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rtems()
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rtems_object() |