diff options
Diffstat (limited to 'tools/gdb/python/objects.py')
| -rw-r--r-- | tools/gdb/python/objects.py | 126 |
1 files changed, 79 insertions, 47 deletions
diff --git a/tools/gdb/python/objects.py b/tools/gdb/python/objects.py index ee59cbc..4898d81 100644 --- a/tools/gdb/python/objects.py +++ b/tools/gdb/python/objects.py @@ -1,15 +1,41 @@ +# RTEMS Tools Project (http://www.rtems.org/) +# Copyright 2010-2014 Chris Johns (chrisj@rtems.org) +# All rights reserved. # -# RTEMS Objects Support -# Copyright 2010 Chris Johns (chrisj@rtems.org) +# This file is part of the RTEMS Tools package in 'rtems-tools'. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# 1. Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. +# +# 2. Redistributions in binary form must reproduce the above copyright notice, +# this list of conditions and the following disclaimer in the documentation +# and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE +# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# + # -# $Id$ +# RTEMS Objects Support # import gdb import itertools import re -class infotables: +class infotables(): """Manage the object information tables.""" tables_types = { @@ -36,7 +62,7 @@ class infotables: self.tables = {} def name(self, api, _class): - return api + '/' + _class + return '%s/%s' % (api, _class) def load(self, n): if n in self.tables_types: @@ -50,6 +76,16 @@ class infotables: return self.tables[n] return None + def minimum_id(self, api, _class): + n = self.name(api, _class) + self.load(n) + return int(self.tables[n]['minimum_id']) + + def maximum_id(self, api, _class): + n = self.name(api, _class) + self.load(n) + return int(self.tables[n]['maximum_id']) + def maximum(self, api, _class): n = self.name(api, _class) self.load(n) @@ -71,18 +107,14 @@ class infotables: def object_return(self, api, _class, index=-1): n = self.name(api, _class) self.load(n) - table_type = self.tables_types[n] - if api == 'internal': - expr = '(' + table_type[0] + ')' + table_type[1] - + expr = '(%s) %s' % (table_type[0], table_type[1]) else: max = self.maximum(api, _class) if index > max: raise IndexError('object index out of range (%d)' % (max)) - expr = '(' + table_type[0] + '*)' + \ - table_type[1] + '.local_table[' + str(index) + ']' + expr = '(%s*) %s.local_table[%d]' % (table_type[0], table_type[1], index) return gdb.parse_and_eval(expr) def is_string(self, api, _class): @@ -98,7 +130,7 @@ class infotables: # information = infotables() -class ident: +class ident(): "An RTEMS object id with support for its bit fields." bits = [ @@ -113,14 +145,13 @@ class ident: ] OBJECT_16_BITS = 0 - OBJECT_31_BITS = 1 + OBJECT_32_BITS = 1 api_labels = [ 'none', 'internal', 'classic', - 'posix', - 'itron' + 'posix' ] class_labels = { @@ -150,15 +181,6 @@ class ident: 'barriers', 'spinlocks', 'rwlocks'), - 'itron' : ('none', - 'tasks', - 'eventflags', - 'mailboxes', - 'message_buffers', - 'ports', - 'semaphores', - 'variable_memory_pools', - 'fixed_memory_pools') } def __init__(self, id): @@ -170,7 +192,7 @@ class ident: if self.id.type.sizeof == 2: self.idSize = self.OBJECT_16_BITS else: - self.idSize = self.OBJECT_31_BITS + self.idSize = self.OBJECT_32_BITS def get(self, field): if field in self.bits[self.idSize]: @@ -212,7 +234,7 @@ class ident: def valid(self): return self.api() != 'none' and self._class() != 'invalid' -class name: +class name(): """The Objects_Name can either be told what the name is or can take a guess.""" @@ -220,6 +242,10 @@ class name: self.name = name if is_string == None: self.is_string = 'auto' + try: + self.name_p = self.name['name_p'] + except gdb.Error: + self.is_string = 'no' else: if is_string: self.is_string = 'yes' @@ -227,25 +253,39 @@ class name: self.is_string = 'no' def __str__(self): + return self.get() + + def get(self): if self.is_string != 'yes': u32 = int(self.name['name_u32']) - s = chr((u32 >> 24) & 0xff) + \ - chr((u32 >> 16) & 0xff) + chr((u32 >> 8) & 0xff) + \ - chr(u32 & 0xff) - for c in range(0,4): - if s[c] < ' ' or s[c] > '~': - s = None - break - if s: - return s - return str(self.name['name_p'].dereference()) - -class control: + if u32 != 0: + s = chr((u32 >> 24) & 0xff) + \ + chr((u32 >> 16) & 0xff) + \ + chr((u32 >> 8) & 0xff) + \ + chr(u32 & 0xff) + for c in range(0, 4): + if s[c] < ' ' or s[c] > '~': + s = None + break + if s: + return s + if self.is_string == 'xno': + return None + try: + name_p = self.name['name_p'] + return str(name_p.dereference()) + except gdb.Error: + pass + return None + +class control(): """The Objects_Control structure.""" def __init__(self, object): self.object = object self._id = ident(self.object['id']) + self._name = name(self.object['name'], + information.is_string(self._id.api(), self._id._class())) def node(self): return self.object['Node'] @@ -254,12 +294,4 @@ class control: return self.object['id'] def name(self): - is_string = information.is_string(self._id.api(), self._id._class()) - val = str(name(self.object['name'],is_string)) - - # Normal comaprision is a bit tricky with quotes - # 0 '\000' in hex == '3020275c30303027' - if val.encode('hex') == '3020275c30303027': - val = "" - - return val
\ No newline at end of file + return self._name.get() |