def setup_once(self):
# the address of the function called by 'new'
gc_ll_descr = self.cpu.gc_ll_descr
gc_ll_descr.initialize()
if hasattr(gc_ll_descr, 'minimal_size_in_nursery'):
self.gc_minimal_size_in_nursery = gc_ll_descr.minimal_size_in_nursery
else:
self.gc_minimal_size_in_nursery = 0
if hasattr(gc_ll_descr, 'gcheaderbuilder'):
self.gc_size_of_header = gc_ll_descr.gcheaderbuilder.size_gc_header
else:
self.gc_size_of_header = WORD # for tests
self.memcpy_addr = self.cpu.cast_ptr_to_int(memcpy_fn)
self.memset_addr = self.cpu.cast_ptr_to_int(memset_fn)
self._build_failure_recovery(False, withfloats=False)
self._build_failure_recovery(True, withfloats=False)
self._build_wb_slowpath(False)
self._build_wb_slowpath(True)
self._build_wb_slowpath(False, for_frame=True)
# only one of those
self.build_frame_realloc_slowpath()
if self.cpu.supports_floats:
self._build_failure_recovery(False, withfloats=True)
self._build_failure_recovery(True, withfloats=True)
self._build_wb_slowpath(False, withfloats=True)
self._build_wb_slowpath(True, withfloats=True)
self._build_propagate_exception_path()
if gc_ll_descr.get_malloc_slowpath_addr is not None:
# generate few slowpaths for various cases
self.malloc_slowpath = self._build_malloc_slowpath(kind='fixed')
self.malloc_slowpath_varsize = self._build_malloc_slowpath(
kind='var')
if hasattr(gc_ll_descr, 'malloc_str'):
self.malloc_slowpath_str = self._build_malloc_slowpath(kind='str')
else:
self.malloc_slowpath_str = None
if hasattr(gc_ll_descr, 'malloc_unicode'):
self.malloc_slowpath_unicode = self._build_malloc_slowpath(
kind='unicode')
else:
self.malloc_slowpath_unicode = None
self.cond_call_slowpath = [self._build_cond_call_slowpath(False, False),
self._build_cond_call_slowpath(False, True),
self._build_cond_call_slowpath(True, False),
self._build_cond_call_slowpath(True, True)]
self._build_stack_check_slowpath()
self._build_release_gil(gc_ll_descr.gcrootmap)
if not self._debug:
# if self._debug is already set it means that someone called
# set_debug by hand before initializing the assembler. Leave it
# as it is
self.set_debug(have_debug_prints_for('jit-backend-counts'))
# when finishing, we only have one value at [0], the rest dies
self.gcmap_for_finish = lltype.malloc(jitframe.GCMAP, 1,
flavor='raw',
track_allocation=False)
self.gcmap_for_finish[0] = r_uint(1)
def get_location_str(greenkey):
if not have_debug_prints_for("jit-"):
return missing
greenargs = unwrap_greenkey(greenkey)
fn = support.maybe_on_top_of_llinterp(rtyper, get_location_ptr)
llres = fn(*greenargs)
if not we_are_translated() and isinstance(llres, str):
return llres
return hlstr(llres)
def get_location_str(greenkey):
if not have_debug_prints_for("jit-"):
return missing
greenargs = unwrap_greenkey(greenkey)
fn = support.maybe_on_top_of_llinterp(rtyper, printable_loc_ptr)
llres = fn(*greenargs)
if not we_are_translated() and isinstance(llres, str):
return llres
return hlstr(llres)
def setup_once(self):
# the address of the function called by 'new'
gc_ll_descr = self.cpu.gc_ll_descr
gc_ll_descr.initialize()
if hasattr(gc_ll_descr, 'minimal_size_in_nursery'):
self.gc_minimal_size_in_nursery = gc_ll_descr.minimal_size_in_nursery
else:
self.gc_minimal_size_in_nursery = 0
if hasattr(gc_ll_descr, 'gcheaderbuilder'):
self.gc_size_of_header = gc_ll_descr.gcheaderbuilder.size_gc_header
else:
self.gc_size_of_header = WORD # for tests
self.memcpy_addr = rffi.cast(lltype.Signed, memcpy_fn)
self.memset_addr = rffi.cast(lltype.Signed, memset_fn)
self._build_failure_recovery(False, withfloats=False)
self._build_failure_recovery(True, withfloats=False)
self._build_wb_slowpath(False)
self._build_wb_slowpath(True)
self._build_wb_slowpath(False, for_frame=True)
# only one of those
self.build_frame_realloc_slowpath()
if self.cpu.supports_floats:
self._build_failure_recovery(False, withfloats=True)
self._build_failure_recovery(True, withfloats=True)
self._build_wb_slowpath(False, withfloats=True)
self._build_wb_slowpath(True, withfloats=True)
self._build_propagate_exception_path()
if gc_ll_descr.get_malloc_slowpath_addr is not None:
# generate few slowpaths for various cases
self.malloc_slowpath = self._build_malloc_slowpath(kind='fixed')
self.malloc_slowpath_varsize = self._build_malloc_slowpath(
kind='var')
if hasattr(gc_ll_descr, 'malloc_str'):
self.malloc_slowpath_str = self._build_malloc_slowpath(kind='str')
else:
self.malloc_slowpath_str = None
if hasattr(gc_ll_descr, 'malloc_unicode'):
self.malloc_slowpath_unicode = self._build_malloc_slowpath(
kind='unicode')
else:
self.malloc_slowpath_unicode = None
lst = [0, 0, 0, 0]
lst[0] = self._build_cond_call_slowpath(False, False)
lst[1] = self._build_cond_call_slowpath(False, True)
if self.cpu.supports_floats:
lst[2] = self._build_cond_call_slowpath(True, False)
lst[3] = self._build_cond_call_slowpath(True, True)
self.cond_call_slowpath = lst
self._build_stack_check_slowpath()
self._build_release_gil(gc_ll_descr.gcrootmap)
# do not rely on the attribute _debug for jitlog
if not self._debug:
# if self._debug is already set it means that someone called
# set_debug by hand before initializing the assembler. Leave it
# as it is
should_debug = have_debug_prints_for('jit-backend-counts')
self.set_debug(should_debug)
# when finishing, we only have one value at [0], the rest dies
self.gcmap_for_finish = lltype.malloc(jitframe.GCMAP,
1,
flavor='raw',
track_allocation=False)
self.gcmap_for_finish[0] = r_uint(1)