def generate_function(self, funcname, func, ARGS, RESULT=llmemory.GCREF):
"""Generates a variant of malloc with the given name and the given
arguments. It should return NULL if out of memory. If it raises
anything, it must be an optional MemoryError.
"""
FUNCPTR = lltype.Ptr(lltype.FuncType(ARGS, RESULT))
descr = get_call_descr(self, ARGS, RESULT)
setattr(self, funcname, func)
setattr(self, funcname + '_FUNCPTR', FUNCPTR)
setattr(self, funcname + '_descr', descr)
self._generated_functions.append(funcname)
def generate_function(self, funcname, func, ARGS, RESULT=llmemory.GCREF):
"""Generates a variant of malloc with the given name and the given
arguments. It should return NULL if out of memory. If it raises
anything, it must be an optional MemoryError.
"""
FUNCPTR = lltype.Ptr(lltype.FuncType(ARGS, RESULT))
descr = get_call_descr(self, ARGS, RESULT)
setattr(self, funcname, func)
setattr(self, funcname + '_FUNCPTR', FUNCPTR)
setattr(self, funcname + '_descr', descr)
self._generated_functions.append(funcname)
def calldescrof(self, FUNC, ARGS, RESULT, extrainfo=None):
return get_call_descr(self.gc_ll_descr, ARGS, RESULT, extrainfo)
def calldescrof(self, FUNC, ARGS, RESULT, extrainfo):
return get_call_descr(self.gc_ll_descr, ARGS, RESULT, extrainfo)
def __init__(self, gcdescr, translator, llop1=llop):
from pypy.rpython.memory.gctypelayout import _check_typeid
from pypy.rpython.memory.gcheader import GCHeaderBuilder
from pypy.rpython.memory.gctransform import framework
GcLLDescription.__init__(self, gcdescr, translator)
assert self.translate_support_code, "required with the framework GC"
self.translator = translator
self.llop1 = llop1
# we need the hybrid GC for GcRefList.alloc_gcref_list() to work
if gcdescr.config.translation.gc != 'hybrid':
raise NotImplementedError("--gc=%s not implemented with the JIT" %
(gcdescr.config.translation.gc, ))
# to find roots in the assembler, make a GcRootMap
name = gcdescr.config.translation.gcrootfinder
try:
cls = globals()['GcRootMap_' + name]
except KeyError:
raise NotImplementedError("--gcrootfinder=%s not implemented"
" with the JIT" % (name, ))
gcrootmap = cls()
self.gcrootmap = gcrootmap
self.gcrefs = GcRefList()
self.single_gcref_descr = GcPtrFieldDescr(0)
# make a TransformerLayoutBuilder and save it on the translator
# where it can be fished and reused by the FrameworkGCTransformer
self.layoutbuilder = framework.JITTransformerLayoutBuilder(
gcdescr.config)
self.layoutbuilder.delay_encoding()
self.translator._jit2gc = {
'layoutbuilder': self.layoutbuilder,
'gcmapstart': lambda: gcrootmap.gcmapstart(),
'gcmapend': lambda: gcrootmap.gcmapend(),
}
self.GCClass = self.layoutbuilder.GCClass
self.moving_gc = self.GCClass.moving_gc
self.HDRPTR = lltype.Ptr(self.GCClass.HDR)
self.gcheaderbuilder = GCHeaderBuilder(self.HDRPTR.TO)
self.fielddescr_tid = get_field_descr(self, self.GCClass.HDR, 'tid')
self.c_jit_wb_if_flag = ConstInt(self.GCClass.JIT_WB_IF_FLAG)
self.calldescr_jit_wb = get_call_descr(
self, [llmemory.GCREF, llmemory.GCREF], lltype.Void)
(self.array_basesize, _, self.array_length_ofs) = \
symbolic.get_array_token(lltype.GcArray(lltype.Signed), True)
min_ns = self.GCClass.TRANSLATION_PARAMS['min_nursery_size']
self.max_size_of_young_obj = self.GCClass.get_young_fixedsize(min_ns)
# make a malloc function, with three arguments
def malloc_basic(size, tid):
type_id = llop.extract_ushort(rffi.USHORT, tid)
has_finalizer = bool(tid & (1 << 16))
_check_typeid(type_id)
res = llop1.do_malloc_fixedsize_clear(llmemory.GCREF, type_id,
size, True, has_finalizer,
False)
#llop.debug_print(lltype.Void, "\tmalloc_basic", size, type_id,
# "-->", res)
return res
self.malloc_basic = malloc_basic
self.GC_MALLOC_BASIC = lltype.Ptr(
lltype.FuncType([lltype.Signed, lltype.Signed], llmemory.GCREF))
self.WB_FUNCPTR = lltype.Ptr(
lltype.FuncType([llmemory.Address, llmemory.Address], lltype.Void))
#
def malloc_array(itemsize, tid, num_elem):
type_id = llop.extract_ushort(rffi.USHORT, tid)
_check_typeid(type_id)
return llop1.do_malloc_varsize_clear(llmemory.GCREF, type_id,
num_elem, self.array_basesize,
itemsize,
self.array_length_ofs, True)
self.malloc_array = malloc_array
self.GC_MALLOC_ARRAY = lltype.Ptr(
lltype.FuncType([lltype.Signed] * 3, llmemory.GCREF))
#
(str_basesize, str_itemsize,
str_ofs_length) = symbolic.get_array_token(rstr.STR, True)
(unicode_basesize, unicode_itemsize,
unicode_ofs_length) = symbolic.get_array_token(rstr.UNICODE, True)
str_type_id = self.layoutbuilder.get_type_id(rstr.STR)
unicode_type_id = self.layoutbuilder.get_type_id(rstr.UNICODE)
#
def malloc_str(length):
return llop1.do_malloc_varsize_clear(llmemory.GCREF, str_type_id,
length, str_basesize,
str_itemsize, str_ofs_length,
True)
def malloc_unicode(length):
return llop1.do_malloc_varsize_clear(llmemory.GCREF,
unicode_type_id, length,
unicode_basesize,
unicode_itemsize,
unicode_ofs_length, True)
self.malloc_str = malloc_str
self.malloc_unicode = malloc_unicode
self.GC_MALLOC_STR_UNICODE = lltype.Ptr(
lltype.FuncType([lltype.Signed], llmemory.GCREF))
def malloc_fixedsize_slowpath(size):
gcref = llop1.do_malloc_fixedsize_clear(llmemory.GCREF, 0, size,
True, False, False)
res = rffi.cast(lltype.Signed, gcref)
nurs_free = llop1.gc_adr_of_nursery_free(
llmemory.Address).signed[0]
return r_ulonglong(nurs_free) << 32 | r_ulonglong(r_uint(res))
self.malloc_fixedsize_slowpath = malloc_fixedsize_slowpath
self.MALLOC_FIXEDSIZE_SLOWPATH = lltype.FuncType(
[lltype.Signed], lltype.UnsignedLongLong)
def __init__(self, gcdescr, translator, llop1=llop):
from pypy.rpython.memory.gctypelayout import _check_typeid
from pypy.rpython.memory.gcheader import GCHeaderBuilder
from pypy.rpython.memory.gctransform import framework
GcLLDescription.__init__(self, gcdescr, translator)
assert self.translate_support_code, "required with the framework GC"
self.translator = translator
self.llop1 = llop1
# we need the hybrid GC for GcRefList.alloc_gcref_list() to work
if gcdescr.config.translation.gc != 'hybrid':
raise NotImplementedError("--gc=%s not implemented with the JIT" %
(gcdescr.config.translation.gc,))
# to find roots in the assembler, make a GcRootMap
name = gcdescr.config.translation.gcrootfinder
try:
cls = globals()['GcRootMap_' + name]
except KeyError:
raise NotImplementedError("--gcrootfinder=%s not implemented"
" with the JIT" % (name,))
gcrootmap = cls()
self.gcrootmap = gcrootmap
self.gcrefs = GcRefList()
self.single_gcref_descr = GcPtrFieldDescr(0)
# make a TransformerLayoutBuilder and save it on the translator
# where it can be fished and reused by the FrameworkGCTransformer
self.layoutbuilder = framework.JITTransformerLayoutBuilder(
gcdescr.config)
self.layoutbuilder.delay_encoding()
self.translator._jit2gc = {
'layoutbuilder': self.layoutbuilder,
'gcmapstart': lambda: gcrootmap.gcmapstart(),
'gcmapend': lambda: gcrootmap.gcmapend(),
}
self.GCClass = self.layoutbuilder.GCClass
self.moving_gc = self.GCClass.moving_gc
self.HDRPTR = lltype.Ptr(self.GCClass.HDR)
self.gcheaderbuilder = GCHeaderBuilder(self.HDRPTR.TO)
self.fielddescr_tid = get_field_descr(self, self.GCClass.HDR, 'tid')
self.c_jit_wb_if_flag = ConstInt(self.GCClass.JIT_WB_IF_FLAG)
self.calldescr_jit_wb = get_call_descr(self, [llmemory.GCREF,
llmemory.GCREF],
lltype.Void)
(self.array_basesize, _, self.array_length_ofs) = \
symbolic.get_array_token(lltype.GcArray(lltype.Signed), True)
min_ns = self.GCClass.TRANSLATION_PARAMS['min_nursery_size']
self.max_size_of_young_obj = self.GCClass.get_young_fixedsize(min_ns)
# make a malloc function, with three arguments
def malloc_basic(size, tid):
type_id = llop.extract_ushort(rffi.USHORT, tid)
has_finalizer = bool(tid & (1<<16))
_check_typeid(type_id)
res = llop1.do_malloc_fixedsize_clear(llmemory.GCREF,
type_id, size, True,
has_finalizer, False)
#llop.debug_print(lltype.Void, "\tmalloc_basic", size, type_id,
# "-->", res)
return res
self.malloc_basic = malloc_basic
self.GC_MALLOC_BASIC = lltype.Ptr(lltype.FuncType(
[lltype.Signed, lltype.Signed], llmemory.GCREF))
self.WB_FUNCPTR = lltype.Ptr(lltype.FuncType(
[llmemory.Address, llmemory.Address], lltype.Void))
#
def malloc_array(itemsize, tid, num_elem):
type_id = llop.extract_ushort(rffi.USHORT, tid)
_check_typeid(type_id)
return llop1.do_malloc_varsize_clear(
llmemory.GCREF,
type_id, num_elem, self.array_basesize, itemsize,
self.array_length_ofs, True)
self.malloc_array = malloc_array
self.GC_MALLOC_ARRAY = lltype.Ptr(lltype.FuncType(
[lltype.Signed] * 3, llmemory.GCREF))
#
(str_basesize, str_itemsize, str_ofs_length
) = symbolic.get_array_token(rstr.STR, True)
(unicode_basesize, unicode_itemsize, unicode_ofs_length
) = symbolic.get_array_token(rstr.UNICODE, True)
str_type_id = self.layoutbuilder.get_type_id(rstr.STR)
unicode_type_id = self.layoutbuilder.get_type_id(rstr.UNICODE)
#
def malloc_str(length):
return llop1.do_malloc_varsize_clear(
llmemory.GCREF,
str_type_id, length, str_basesize, str_itemsize,
str_ofs_length, True)
def malloc_unicode(length):
return llop1.do_malloc_varsize_clear(
llmemory.GCREF,
unicode_type_id, length, unicode_basesize, unicode_itemsize,
unicode_ofs_length, True)
self.malloc_str = malloc_str
self.malloc_unicode = malloc_unicode
self.GC_MALLOC_STR_UNICODE = lltype.Ptr(lltype.FuncType(
[lltype.Signed], llmemory.GCREF))
def malloc_fixedsize_slowpath(size):
gcref = llop1.do_malloc_fixedsize_clear(llmemory.GCREF,
0, size, True, False, False)
res = rffi.cast(lltype.Signed, gcref)
nurs_free = llop1.gc_adr_of_nursery_free(llmemory.Address).signed[0]
return r_ulonglong(nurs_free) << 32 | r_ulonglong(r_uint(res))
self.malloc_fixedsize_slowpath = malloc_fixedsize_slowpath
self.MALLOC_FIXEDSIZE_SLOWPATH = lltype.FuncType([lltype.Signed],
lltype.UnsignedLongLong)
def calldescrof(self, FUNC, ARGS, RESULT):
return get_call_descr(self.gc_ll_descr, ARGS, RESULT)