blob: 01819592ff27b2ec9f00d15550ded46e0fc08915 [file] [log] [blame]
# Xmethods for libstdc++.
# Copyright (C) 2014-2018 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import gdb
import gdb.xmethod
import re
matcher_name_prefix = 'libstdc++::'
def get_bool_type():
return gdb.lookup_type('bool')
def get_std_size_type():
return gdb.lookup_type('std::size_t')
class LibStdCxxXMethod(gdb.xmethod.XMethod):
def __init__(self, name, worker_class):
gdb.xmethod.XMethod.__init__(self, name)
self.worker_class = worker_class
# Xmethods for std::array
class ArrayWorkerBase(gdb.xmethod.XMethodWorker):
def __init__(self, val_type, size):
self._val_type = val_type
self._size = size
def null_value(self):
nullptr = gdb.parse_and_eval('(void *) 0')
return nullptr.cast(self._val_type.pointer()).dereference()
class ArraySizeWorker(ArrayWorkerBase):
def __init__(self, val_type, size):
ArrayWorkerBase.__init__(self, val_type, size)
def get_arg_types(self):
return None
def get_result_type(self, obj):
return get_std_size_type()
def __call__(self, obj):
return self._size
class ArrayEmptyWorker(ArrayWorkerBase):
def __init__(self, val_type, size):
ArrayWorkerBase.__init__(self, val_type, size)
def get_arg_types(self):
return None
def get_result_type(self, obj):
return get_bool_type()
def __call__(self, obj):
return (int(self._size) == 0)
class ArrayFrontWorker(ArrayWorkerBase):
def __init__(self, val_type, size):
ArrayWorkerBase.__init__(self, val_type, size)
def get_arg_types(self):
return None
def get_result_type(self, obj):
return self._val_type
def __call__(self, obj):
if int(self._size) > 0:
return obj['_M_elems'][0]
else:
return self.null_value()
class ArrayBackWorker(ArrayWorkerBase):
def __init__(self, val_type, size):
ArrayWorkerBase.__init__(self, val_type, size)
def get_arg_types(self):
return None
def get_result_type(self, obj):
return self._val_type
def __call__(self, obj):
if int(self._size) > 0:
return obj['_M_elems'][self._size - 1]
else:
return self.null_value()
class ArrayAtWorker(ArrayWorkerBase):
def __init__(self, val_type, size):
ArrayWorkerBase.__init__(self, val_type, size)
def get_arg_types(self):
return get_std_size_type()
def get_result_type(self, obj, index):
return self._val_type
def __call__(self, obj, index):
if int(index) >= int(self._size):
raise IndexError('Array index "%d" should not be >= %d.' %
((int(index), self._size)))
return obj['_M_elems'][index]
class ArraySubscriptWorker(ArrayWorkerBase):
def __init__(self, val_type, size):
ArrayWorkerBase.__init__(self, val_type, size)
def get_arg_types(self):
return get_std_size_type()
def get_result_type(self, obj, index):
return self._val_type
def __call__(self, obj, index):
if int(self._size) > 0:
return obj['_M_elems'][index]
else:
return self.null_value()
class ArrayMethodsMatcher(gdb.xmethod.XMethodMatcher):
def __init__(self):
gdb.xmethod.XMethodMatcher.__init__(self,
matcher_name_prefix + 'array')
self._method_dict = {
'size': LibStdCxxXMethod('size', ArraySizeWorker),
'empty': LibStdCxxXMethod('empty', ArrayEmptyWorker),
'front': LibStdCxxXMethod('front', ArrayFrontWorker),
'back': LibStdCxxXMethod('back', ArrayBackWorker),
'at': LibStdCxxXMethod('at', ArrayAtWorker),
'operator[]': LibStdCxxXMethod('operator[]', ArraySubscriptWorker),
}
self.methods = [self._method_dict[m] for m in self._method_dict]
def match(self, class_type, method_name):
if not re.match('^std::(__\d+::)?array<.*>$', class_type.tag):
return None
method = self._method_dict.get(method_name)
if method is None or not method.enabled:
return None
try:
value_type = class_type.template_argument(0)
size = class_type.template_argument(1)
except:
return None
return method.worker_class(value_type, size)
# Xmethods for std::deque
class DequeWorkerBase(gdb.xmethod.XMethodWorker):
def __init__(self, val_type):
self._val_type = val_type
self._bufsize = 512 // val_type.sizeof or 1
def size(self, obj):
first_node = obj['_M_impl']['_M_start']['_M_node']
last_node = obj['_M_impl']['_M_finish']['_M_node']
cur = obj['_M_impl']['_M_finish']['_M_cur']
first = obj['_M_impl']['_M_finish']['_M_first']
return (last_node - first_node) * self._bufsize + (cur - first)
def index(self, obj, idx):
first_node = obj['_M_impl']['_M_start']['_M_node']
index_node = first_node + int(idx) // self._bufsize
return index_node[0][idx % self._bufsize]
class DequeEmptyWorker(DequeWorkerBase):
def get_arg_types(self):
return None
def get_result_type(self, obj):
return get_bool_type()
def __call__(self, obj):
return (obj['_M_impl']['_M_start']['_M_cur'] ==
obj['_M_impl']['_M_finish']['_M_cur'])
class DequeSizeWorker(DequeWorkerBase):
def get_arg_types(self):
return None
def get_result_type(self, obj):
return get_std_size_type()
def __call__(self, obj):
return self.size(obj)
class DequeFrontWorker(DequeWorkerBase):
def get_arg_types(self):
return None
def get_result_type(self, obj):
return self._val_type
def __call__(self, obj):
return obj['_M_impl']['_M_start']['_M_cur'][0]
class DequeBackWorker(DequeWorkerBase):
def get_arg_types(self):
return None
def get_result_type(self, obj):
return self._val_type
def __call__(self, obj):
if (obj['_M_impl']['_M_finish']['_M_cur'] ==
obj['_M_impl']['_M_finish']['_M_first']):
prev_node = obj['_M_impl']['_M_finish']['_M_node'] - 1
return prev_node[0][self._bufsize - 1]
else:
return obj['_M_impl']['_M_finish']['_M_cur'][-1]
class DequeSubscriptWorker(DequeWorkerBase):
def get_arg_types(self):
return get_std_size_type()
def get_result_type(self, obj, subscript):
return self._val_type
def __call__(self, obj, subscript):
return self.index(obj, subscript)
class DequeAtWorker(DequeWorkerBase):
def get_arg_types(self):
return get_std_size_type()
def get_result_type(self, obj, index):
return self._val_type
def __call__(self, obj, index):
deque_size = int(self.size(obj))
if int(index) >= deque_size:
raise IndexError('Deque index "%d" should not be >= %d.' %
(int(index), deque_size))
else:
return self.index(obj, index)
class DequeMethodsMatcher(gdb.xmethod.XMethodMatcher):
def __init__(self):
gdb.xmethod.XMethodMatcher.__init__(self,
matcher_name_prefix + 'deque')
self._method_dict = {
'empty': LibStdCxxXMethod('empty', DequeEmptyWorker),
'size': LibStdCxxXMethod('size', DequeSizeWorker),
'front': LibStdCxxXMethod('front', DequeFrontWorker),
'back': LibStdCxxXMethod('back', DequeBackWorker),
'operator[]': LibStdCxxXMethod('operator[]', DequeSubscriptWorker),
'at': LibStdCxxXMethod('at', DequeAtWorker)
}
self.methods = [self._method_dict[m] for m in self._method_dict]
def match(self, class_type, method_name):
if not re.match('^std::(__\d+::)?deque<.*>$', class_type.tag):
return None
method = self._method_dict.get(method_name)
if method is None or not method.enabled:
return None
return method.worker_class(class_type.template_argument(0))
# Xmethods for std::forward_list
class ForwardListWorkerBase(gdb.xmethod.XMethodMatcher):
def __init__(self, val_type, node_type):
self._val_type = val_type
self._node_type = node_type
def get_arg_types(self):
return None
class ForwardListEmptyWorker(ForwardListWorkerBase):
def get_result_type(self, obj):
return get_bool_type()
def __call__(self, obj):
return obj['_M_impl']['_M_head']['_M_next'] == 0
class ForwardListFrontWorker(ForwardListWorkerBase):
def get_result_type(self, obj):
return self._val_type
def __call__(self, obj):
node = obj['_M_impl']['_M_head']['_M_next'].cast(self._node_type)
val_address = node['_M_storage']['_M_storage'].address
return val_address.cast(self._val_type.pointer()).dereference()
class ForwardListMethodsMatcher(gdb.xmethod.XMethodMatcher):
def __init__(self):
matcher_name = matcher_name_prefix + 'forward_list'
gdb.xmethod.XMethodMatcher.__init__(self, matcher_name)
self._method_dict = {
'empty': LibStdCxxXMethod('empty', ForwardListEmptyWorker),
'front': LibStdCxxXMethod('front', ForwardListFrontWorker)
}
self.methods = [self._method_dict[m] for m in self._method_dict]
def match(self, class_type, method_name):
if not re.match('^std::(__\d+::)?forward_list<.*>$', class_type.tag):
return None
method = self._method_dict.get(method_name)
if method is None or not method.enabled:
return None
val_type = class_type.template_argument(0)
node_type = gdb.lookup_type(str(class_type) + '::_Node').pointer()
return method.worker_class(val_type, node_type)
# Xmethods for std::list
class ListWorkerBase(gdb.xmethod.XMethodWorker):
def __init__(self, val_type, node_type):
self._val_type = val_type
self._node_type = node_type
def get_arg_types(self):
return None
def get_value_from_node(self, node):
node = node.dereference()
if node.type.fields()[1].name == '_M_data':
# C++03 implementation, node contains the value as a member
return node['_M_data']
# C++11 implementation, node stores value in __aligned_membuf
addr = node['_M_storage'].address
return addr.cast(self._val_type.pointer()).dereference()
class ListEmptyWorker(ListWorkerBase):
def get_result_type(self, obj):
return get_bool_type()
def __call__(self, obj):
base_node = obj['_M_impl']['_M_node']
if base_node['_M_next'] == base_node.address:
return True
else:
return False
class ListSizeWorker(ListWorkerBase):
def get_result_type(self, obj):
return get_std_size_type()
def __call__(self, obj):
begin_node = obj['_M_impl']['_M_node']['_M_next']
end_node = obj['_M_impl']['_M_node'].address
size = 0
while begin_node != end_node:
begin_node = begin_node['_M_next']
size += 1
return size
class ListFrontWorker(ListWorkerBase):
def get_result_type(self, obj):
return self._val_type
def __call__(self, obj):
node = obj['_M_impl']['_M_node']['_M_next'].cast(self._node_type)
return self.get_value_from_node(node)
class ListBackWorker(ListWorkerBase):
def get_result_type(self, obj):
return self._val_type
def __call__(self, obj):
prev_node = obj['_M_impl']['_M_node']['_M_prev'].cast(self._node_type)
return self.get_value_from_node(prev_node)
class ListMethodsMatcher(gdb.xmethod.XMethodMatcher):
def __init__(self):
gdb.xmethod.XMethodMatcher.__init__(self,
matcher_name_prefix + 'list')
self._method_dict = {
'empty': LibStdCxxXMethod('empty', ListEmptyWorker),
'size': LibStdCxxXMethod('size', ListSizeWorker),
'front': LibStdCxxXMethod('front', ListFrontWorker),
'back': LibStdCxxXMethod('back', ListBackWorker)
}
self.methods = [self._method_dict[m] for m in self._method_dict]
def match(self, class_type, method_name):
if not re.match('^std::(__\d+::)?(__cxx11::)?list<.*>$', class_type.tag):
return None
method = self._method_dict.get(method_name)
if method is None or not method.enabled:
return None
val_type = class_type.template_argument(0)
node_type = gdb.lookup_type(str(class_type) + '::_Node').pointer()
return method.worker_class(val_type, node_type)
# Xmethods for std::vector
class VectorWorkerBase(gdb.xmethod.XMethodWorker):
def __init__(self, val_type):
self._val_type = val_type
def size(self, obj):
if self._val_type.code == gdb.TYPE_CODE_BOOL:
start = obj['_M_impl']['_M_start']['_M_p']
finish = obj['_M_impl']['_M_finish']['_M_p']
finish_offset = obj['_M_impl']['_M_finish']['_M_offset']
bit_size = start.dereference().type.sizeof * 8
return (finish - start) * bit_size + finish_offset
else:
return obj['_M_impl']['_M_finish'] - obj['_M_impl']['_M_start']
def get(self, obj, index):
if self._val_type.code == gdb.TYPE_CODE_BOOL:
start = obj['_M_impl']['_M_start']['_M_p']
bit_size = start.dereference().type.sizeof * 8
valp = start + index // bit_size
offset = index % bit_size
return (valp.dereference() & (1 << offset)) > 0
else:
return obj['_M_impl']['_M_start'][index]
class VectorEmptyWorker(VectorWorkerBase):
def get_arg_types(self):
return None
def get_result_type(self, obj):
return get_bool_type()
def __call__(self, obj):
return int(self.size(obj)) == 0
class VectorSizeWorker(VectorWorkerBase):
def get_arg_types(self):
return None
def get_result_type(self, obj):
return get_std_size_type()
def __call__(self, obj):
return self.size(obj)
class VectorFrontWorker(VectorWorkerBase):
def get_arg_types(self):
return None
def get_result_type(self, obj):
return self._val_type
def __call__(self, obj):
return self.get(obj, 0)
class VectorBackWorker(VectorWorkerBase):
def get_arg_types(self):
return None
def get_result_type(self, obj):
return self._val_type
def __call__(self, obj):
return self.get(obj, int(self.size(obj)) - 1)
class VectorAtWorker(VectorWorkerBase):
def get_arg_types(self):
return get_std_size_type()
def get_result_type(self, obj, index):
return self._val_type
def __call__(self, obj, index):
size = int(self.size(obj))
if int(index) >= size:
raise IndexError('Vector index "%d" should not be >= %d.' %
((int(index), size)))
return self.get(obj, int(index))
class VectorSubscriptWorker(VectorWorkerBase):
def get_arg_types(self):
return get_std_size_type()
def get_result_type(self, obj, subscript):
return self._val_type
def __call__(self, obj, subscript):
return self.get(obj, int(subscript))
class VectorMethodsMatcher(gdb.xmethod.XMethodMatcher):
def __init__(self):
gdb.xmethod.XMethodMatcher.__init__(self,
matcher_name_prefix + 'vector')
self._method_dict = {
'size': LibStdCxxXMethod('size', VectorSizeWorker),
'empty': LibStdCxxXMethod('empty', VectorEmptyWorker),
'front': LibStdCxxXMethod('front', VectorFrontWorker),
'back': LibStdCxxXMethod('back', VectorBackWorker),
'at': LibStdCxxXMethod('at', VectorAtWorker),
'operator[]': LibStdCxxXMethod('operator[]',
VectorSubscriptWorker),
}
self.methods = [self._method_dict[m] for m in self._method_dict]
def match(self, class_type, method_name):
if not re.match('^std::(__\d+::)?vector<.*>$', class_type.tag):
return None
method = self._method_dict.get(method_name)
if method is None or not method.enabled:
return None
return method.worker_class(class_type.template_argument(0))
# Xmethods for associative containers
class AssociativeContainerWorkerBase(gdb.xmethod.XMethodWorker):
def __init__(self, unordered):
self._unordered = unordered
def node_count(self, obj):
if self._unordered:
return obj['_M_h']['_M_element_count']
else:
return obj['_M_t']['_M_impl']['_M_node_count']
def get_arg_types(self):
return None
class AssociativeContainerEmptyWorker(AssociativeContainerWorkerBase):
def get_result_type(self, obj):
return get_bool_type()
def __call__(self, obj):
return int(self.node_count(obj)) == 0
class AssociativeContainerSizeWorker(AssociativeContainerWorkerBase):
def get_result_type(self, obj):
return get_std_size_type()
def __call__(self, obj):
return self.node_count(obj)
class AssociativeContainerMethodsMatcher(gdb.xmethod.XMethodMatcher):
def __init__(self, name):
gdb.xmethod.XMethodMatcher.__init__(self,
matcher_name_prefix + name)
self._name = name
self._method_dict = {
'size': LibStdCxxXMethod('size', AssociativeContainerSizeWorker),
'empty': LibStdCxxXMethod('empty',
AssociativeContainerEmptyWorker),
}
self.methods = [self._method_dict[m] for m in self._method_dict]
def match(self, class_type, method_name):
if not re.match('^std::(__\d+::)?%s<.*>$' % self._name, class_type.tag):
return None
method = self._method_dict.get(method_name)
if method is None or not method.enabled:
return None
unordered = 'unordered' in self._name
return method.worker_class(unordered)
# Xmethods for std::unique_ptr
class UniquePtrGetWorker(gdb.xmethod.XMethodWorker):
"Implements std::unique_ptr<T>::get() and std::unique_ptr<T>::operator->()"
def __init__(self, elem_type):
self._is_array = elem_type.code == gdb.TYPE_CODE_ARRAY
if self._is_array:
self._elem_type = elem_type.target()
else:
self._elem_type = elem_type
def get_arg_types(self):
return None
def get_result_type(self, obj):
return self._elem_type.pointer()
def _supports(self, method_name):
"operator-> is not supported for unique_ptr<T[]>"
return method_name == 'get' or not self._is_array
def __call__(self, obj):
impl_type = obj.dereference().type.fields()[0].type.tag
if re.match('^std::(__\d+::)?__uniq_ptr_impl<.*>$', impl_type): # New implementation
return obj['_M_t']['_M_t']['_M_head_impl']
elif re.match('^std::(__\d+::)?tuple<.*>$', impl_type):
return obj['_M_t']['_M_head_impl']
return None
class UniquePtrDerefWorker(UniquePtrGetWorker):
"Implements std::unique_ptr<T>::operator*()"
def __init__(self, elem_type):
UniquePtrGetWorker.__init__(self, elem_type)
def get_result_type(self, obj):
return self._elem_type
def _supports(self, method_name):
"operator* is not supported for unique_ptr<T[]>"
return not self._is_array
def __call__(self, obj):
return UniquePtrGetWorker.__call__(self, obj).dereference()
class UniquePtrSubscriptWorker(UniquePtrGetWorker):
"Implements std::unique_ptr<T>::operator[](size_t)"
def __init__(self, elem_type):
UniquePtrGetWorker.__init__(self, elem_type)
def get_arg_types(self):
return get_std_size_type()
def get_result_type(self, obj, index):
return self._elem_type
def _supports(self, method_name):
"operator[] is only supported for unique_ptr<T[]>"
return self._is_array
def __call__(self, obj, index):
return UniquePtrGetWorker.__call__(self, obj)[index]
class UniquePtrMethodsMatcher(gdb.xmethod.XMethodMatcher):
def __init__(self):
gdb.xmethod.XMethodMatcher.__init__(self,
matcher_name_prefix + 'unique_ptr')
self._method_dict = {
'get': LibStdCxxXMethod('get', UniquePtrGetWorker),
'operator->': LibStdCxxXMethod('operator->', UniquePtrGetWorker),
'operator*': LibStdCxxXMethod('operator*', UniquePtrDerefWorker),
'operator[]': LibStdCxxXMethod('operator[]', UniquePtrSubscriptWorker),
}
self.methods = [self._method_dict[m] for m in self._method_dict]
def match(self, class_type, method_name):
if not re.match('^std::(__\d+::)?unique_ptr<.*>$', class_type.tag):
return None
method = self._method_dict.get(method_name)
if method is None or not method.enabled:
return None
worker = method.worker_class(class_type.template_argument(0))
if worker._supports(method_name):
return worker
return None
# Xmethods for std::shared_ptr
class SharedPtrGetWorker(gdb.xmethod.XMethodWorker):
"Implements std::shared_ptr<T>::get() and std::shared_ptr<T>::operator->()"
def __init__(self, elem_type):
self._is_array = elem_type.code == gdb.TYPE_CODE_ARRAY
if self._is_array:
self._elem_type = elem_type.target()
else:
self._elem_type = elem_type
def get_arg_types(self):
return None
def get_result_type(self, obj):
return self._elem_type.pointer()
def _supports(self, method_name):
"operator-> is not supported for shared_ptr<T[]>"
return method_name == 'get' or not self._is_array
def __call__(self, obj):
return obj['_M_ptr']
class SharedPtrDerefWorker(SharedPtrGetWorker):
"Implements std::shared_ptr<T>::operator*()"
def __init__(self, elem_type):
SharedPtrGetWorker.__init__(self, elem_type)
def get_result_type(self, obj):
return self._elem_type
def _supports(self, method_name):
"operator* is not supported for shared_ptr<T[]>"
return not self._is_array
def __call__(self, obj):
return SharedPtrGetWorker.__call__(self, obj).dereference()
class SharedPtrSubscriptWorker(SharedPtrGetWorker):
"Implements std::shared_ptr<T>::operator[](size_t)"
def __init__(self, elem_type):
SharedPtrGetWorker.__init__(self, elem_type)
def get_arg_types(self):
return get_std_size_type()
def get_result_type(self, obj, index):
return self._elem_type
def _supports(self, method_name):
"operator[] is only supported for shared_ptr<T[]>"
return self._is_array
def __call__(self, obj, index):
# Check bounds if _elem_type is an array of known bound
m = re.match('.*\[(\d+)]$', str(self._elem_type))
if m and index >= int(m.group(1)):
raise IndexError('shared_ptr<%s> index "%d" should not be >= %d.' %
(self._elem_type, int(index), int(m.group(1))))
return SharedPtrGetWorker.__call__(self, obj)[index]
class SharedPtrUseCountWorker(gdb.xmethod.XMethodWorker):
"Implements std::shared_ptr<T>::use_count()"
def __init__(self, elem_type):
SharedPtrUseCountWorker.__init__(self, elem_type)
def get_arg_types(self):
return None
def get_result_type(self, obj):
return gdb.lookup_type('long')
def __call__(self, obj):
refcounts = ['_M_refcount']['_M_pi']
return refcounts['_M_use_count'] if refcounts else 0
class SharedPtrUniqueWorker(SharedPtrUseCountWorker):
"Implements std::shared_ptr<T>::unique()"
def __init__(self, elem_type):
SharedPtrUseCountWorker.__init__(self, elem_type)
def get_result_type(self, obj):
return gdb.lookup_type('bool')
def __call__(self, obj):
return SharedPtrUseCountWorker.__call__(self, obj) == 1
class SharedPtrMethodsMatcher(gdb.xmethod.XMethodMatcher):
def __init__(self):
gdb.xmethod.XMethodMatcher.__init__(self,
matcher_name_prefix + 'shared_ptr')
self._method_dict = {
'get': LibStdCxxXMethod('get', SharedPtrGetWorker),
'operator->': LibStdCxxXMethod('operator->', SharedPtrGetWorker),
'operator*': LibStdCxxXMethod('operator*', SharedPtrDerefWorker),
'operator[]': LibStdCxxXMethod('operator[]', SharedPtrSubscriptWorker),
'use_count': LibStdCxxXMethod('use_count', SharedPtrUseCountWorker),
'unique': LibStdCxxXMethod('unique', SharedPtrUniqueWorker),
}
self.methods = [self._method_dict[m] for m in self._method_dict]
def match(self, class_type, method_name):
if not re.match('^std::(__\d+::)?shared_ptr<.*>$', class_type.tag):
return None
method = self._method_dict.get(method_name)
if method is None or not method.enabled:
return None
worker = method.worker_class(class_type.template_argument(0))
if worker._supports(method_name):
return worker
return None
def register_libstdcxx_xmethods(locus):
gdb.xmethod.register_xmethod_matcher(locus, ArrayMethodsMatcher())
gdb.xmethod.register_xmethod_matcher(locus, ForwardListMethodsMatcher())
gdb.xmethod.register_xmethod_matcher(locus, DequeMethodsMatcher())
gdb.xmethod.register_xmethod_matcher(locus, ListMethodsMatcher())
gdb.xmethod.register_xmethod_matcher(locus, VectorMethodsMatcher())
gdb.xmethod.register_xmethod_matcher(
locus, AssociativeContainerMethodsMatcher('set'))
gdb.xmethod.register_xmethod_matcher(
locus, AssociativeContainerMethodsMatcher('map'))
gdb.xmethod.register_xmethod_matcher(
locus, AssociativeContainerMethodsMatcher('multiset'))
gdb.xmethod.register_xmethod_matcher(
locus, AssociativeContainerMethodsMatcher('multimap'))
gdb.xmethod.register_xmethod_matcher(
locus, AssociativeContainerMethodsMatcher('unordered_set'))
gdb.xmethod.register_xmethod_matcher(
locus, AssociativeContainerMethodsMatcher('unordered_map'))
gdb.xmethod.register_xmethod_matcher(
locus, AssociativeContainerMethodsMatcher('unordered_multiset'))
gdb.xmethod.register_xmethod_matcher(
locus, AssociativeContainerMethodsMatcher('unordered_multimap'))
gdb.xmethod.register_xmethod_matcher(locus, UniquePtrMethodsMatcher())
gdb.xmethod.register_xmethod_matcher(locus, SharedPtrMethodsMatcher())