def __init__(self, gctransformer):
BaseRootWalker.__init__(self, gctransformer)
# NB. 'self' is frozen, but we can use self.gcdata to store state
gcdata = self.gcdata
gcdata.can_look_at_partial_stack = True
def incr_stack(n):
top = gcdata.root_stack_top
gcdata.root_stack_top = top + n * sizeofaddr
return top
self.incr_stack = incr_stack
def decr_stack(n):
top = gcdata.root_stack_top - n * sizeofaddr
gcdata.root_stack_top = top
return top
self.decr_stack = decr_stack
self.invoke_collect_stack_root = specialize.call_location()(
lambda arg0, arg1, arg2, addr: arg0(self.gc, addr))
self.shadow_stack_pool = ShadowStackPool(gcdata)
rsd = gctransformer.root_stack_depth
if rsd is not None:
self.shadow_stack_pool.root_stack_depth = rsd
def __init__(self, gctransformer):
BaseRootWalker.__init__(self, gctransformer)
# NB. 'self' is frozen, but we can use self.gcdata to store state
gcdata = self.gcdata
def incr_stack(n):
top = gcdata.root_stack_top
gcdata.root_stack_top = top + n*sizeofaddr
return top
self.incr_stack = incr_stack
def decr_stack(n):
top = gcdata.root_stack_top - n*sizeofaddr
gcdata.root_stack_top = top
return top
self.decr_stack = decr_stack
root_iterator = get_root_iterator(gctransformer)
def walk_stack_root(callback, start, end):
root_iterator.setcontext(NonConstant(llmemory.NULL))
gc = self.gc
addr = end
while True:
addr = root_iterator.nextleft(gc, start, addr)
if addr == llmemory.NULL:
return
callback(gc, addr)
self.rootstackhook = walk_stack_root
self.shadow_stack_pool = ShadowStackPool(gcdata)
rsd = gctransformer.root_stack_depth
if rsd is not None:
self.shadow_stack_pool.root_stack_depth = rsd
def __init__(self, gctransformer):
BaseRootWalker.__init__(self, gctransformer)
# NB. 'self' is frozen, but we can use self.gcdata to store state
gcdata = self.gcdata
def incr_stack(n):
top = gcdata.root_stack_top
gcdata.root_stack_top = top + n * sizeofaddr
return top
self.incr_stack = incr_stack
def decr_stack(n):
top = gcdata.root_stack_top - n * sizeofaddr
gcdata.root_stack_top = top
return top
self.decr_stack = decr_stack
def walk_stack_root(callback, start, end):
gc = self.gc
addr = end
while addr != start:
addr -= sizeofaddr
if gc.points_to_valid_gc_object(addr):
callback(gc, addr)
self.rootstackhook = walk_stack_root
self.shadow_stack_pool = ShadowStackPool(gcdata)
rsd = gctransformer.root_stack_depth
if rsd is not None:
self.shadow_stack_pool.root_stack_depth = rsd
def __init__(self, gctransformer):
BaseRootWalker.__init__(self, gctransformer)
# NB. 'self' is frozen, but we can use self.gcdata to store state
gcdata = self.gcdata
def incr_stack(n):
top = gcdata.root_stack_top
gcdata.root_stack_top = top + n*sizeofaddr
return top
self.incr_stack = incr_stack
def decr_stack(n):
top = gcdata.root_stack_top - n*sizeofaddr
gcdata.root_stack_top = top
return top
self.decr_stack = decr_stack
def walk_stack_root(callback, start, end):
gc = self.gc
addr = end
while addr != start:
addr -= sizeofaddr
if gc.points_to_valid_gc_object(addr):
callback(gc, addr)
self.rootstackhook = walk_stack_root
self.shadow_stack_pool = ShadowStackPool(gcdata)
rsd = gctransformer.root_stack_depth
if rsd is not None:
self.shadow_stack_pool.root_stack_depth = rsd
def __init__(self, gctransformer):
BaseRootWalker.__init__(self, gctransformer)
def _asm_callback():
self.walk_stack_from()
self._asm_callback = _asm_callback
self._shape_decompressor = ShapeDecompressor()
self._with_jit = hasattr(gctransformer.translator, '_jit2gc')
if self._with_jit:
jit2gc = gctransformer.translator._jit2gc
self.frame_tid = jit2gc['frame_tid']
self.gctransformer = gctransformer
#
# unless overridden in need_thread_support():
self.belongs_to_current_thread = lambda framedata: True
def __init__(self, gctransformer):
BaseRootWalker.__init__(self, gctransformer)
def _asm_callback():
self.walk_stack_from()
self._asm_callback = _asm_callback
self._shape_decompressor = ShapeDecompressor()
self._with_jit = hasattr(gctransformer.translator, '_jit2gc')
if self._with_jit:
jit2gc = gctransformer.translator._jit2gc
self.frame_tid = jit2gc['frame_tid']
self.gctransformer = gctransformer
#
# unless overridden in need_thread_support():
self.belongs_to_current_thread = lambda framedata: True
def setup_root_walker(self):
self.shadow_stack_pool.initial_setup()
BaseRootWalker.setup_root_walker(self)
def setup_root_walker(self):
self.shadow_stack_pool.initial_setup()
BaseRootWalker.setup_root_walker(self)