def __init__(self,
rtyper,
stats,
opts,
translate_support_code=False,
gcdescr=None):
assert type(opts) is not bool
self.opts = opts
from rpython.jit.backend.llsupport.gc import get_ll_description
AbstractCPU.__init__(self)
self.rtyper = rtyper
self.stats = stats
self.translate_support_code = translate_support_code
if translate_support_code and rtyper is not None:
translator = rtyper.annotator.translator
self.remove_gctypeptr = translator.config.translation.gcremovetypeptr
else:
translator = None
self.gc_ll_descr = get_ll_description(gcdescr, translator, rtyper)
# support_guard_gc_type indicates if a gc type of an object can be read.
# In some states (boehm or x86 untranslated) the type is not known just yet,
# because there are cases where it is not guarded. The precise place where it's not
# is while inlining short preamble.
self.supports_guard_gc_type = self.gc_ll_descr.supports_guard_gc_type
if translator and translator.config.translation.gcremovetypeptr:
self.vtable_offset = None
else:
self.vtable_offset, _ = symbolic.get_field_token(
rclass.OBJECT, 'typeptr', translate_support_code)
self.subclassrange_min_offset, _ = symbolic.get_field_token(
rclass.OBJECT_VTABLE, 'subclassrange_min', translate_support_code)
if translate_support_code:
self._setup_exception_handling_translated()
else:
self._setup_exception_handling_untranslated()
self.asmmemmgr = asmmemmgr.AsmMemoryManager()
if self.HAS_CODEMAP:
self.codemap = codemap.CodemapStorage()
self._setup_frame_realloc(translate_support_code)
ad = self.gc_ll_descr.getframedescrs(self).arraydescr
self.signedarraydescr = ad
# the same as normal JITFRAME, however with an array of pointers
self.refarraydescr = ArrayDescr(ad.basesize, ad.itemsize, ad.lendescr,
FLAG_POINTER)
if WORD == 4:
self.floatarraydescr = ArrayDescr(ad.basesize, ad.itemsize * 2,
ad.lendescr, FLAG_FLOAT)
else:
self.floatarraydescr = ArrayDescr(ad.basesize, ad.itemsize,
ad.lendescr, FLAG_FLOAT)
self.setup()
self._debug_tls_errno_container = lltype.malloc(rffi.CArray(
lltype.Signed),
7,
flavor='raw',
zero=True,
track_allocation=False)
self._debug_tls_errno_container[1] = 1234 # dummy thread ident
def __init__(self, rtyper, stats, opts, translate_support_code=False,
gcdescr=None):
assert type(opts) is not bool
self.opts = opts
from rpython.jit.backend.llsupport.gc import get_ll_description
AbstractCPU.__init__(self)
self.rtyper = rtyper
self.stats = stats
self.translate_support_code = translate_support_code
if translate_support_code and rtyper is not None:
translator = rtyper.annotator.translator
self.remove_gctypeptr = translator.config.translation.gcremovetypeptr
else:
translator = None
self.gc_ll_descr = get_ll_description(gcdescr, translator, rtyper)
# support_guard_gc_type indicates if a gc type of an object can be read.
# In some states (boehm or x86 untranslated) the type is not known just yet,
# because there are cases where it is not guarded. The precise place where it's not
# is while inlining short preamble.
self.supports_guard_gc_type = self.gc_ll_descr.supports_guard_gc_type
if translator and translator.config.translation.gcremovetypeptr:
self.vtable_offset = None
else:
self.vtable_offset, _ = symbolic.get_field_token(rclass.OBJECT,
'typeptr',
translate_support_code)
self.subclassrange_min_offset, _ = symbolic.get_field_token(
rclass.OBJECT_VTABLE, 'subclassrange_min', translate_support_code)
if translate_support_code:
self._setup_exception_handling_translated()
else:
self._setup_exception_handling_untranslated()
self.asmmemmgr = asmmemmgr.AsmMemoryManager()
if self.HAS_CODEMAP:
self.codemap = codemap.CodemapStorage()
self._setup_frame_realloc(translate_support_code)
ad = self.gc_ll_descr.getframedescrs(self).arraydescr
self.signedarraydescr = ad
# the same as normal JITFRAME, however with an array of pointers
self.refarraydescr = ArrayDescr(ad.basesize, ad.itemsize, ad.lendescr,
FLAG_POINTER)
if WORD == 4:
self.floatarraydescr = ArrayDescr(ad.basesize, ad.itemsize * 2,
ad.lendescr, FLAG_FLOAT)
else:
self.floatarraydescr = ArrayDescr(ad.basesize, ad.itemsize,
ad.lendescr, FLAG_FLOAT)
self.setup()
self._debug_errno_container = lltype.malloc(
rffi.CArray(lltype.Signed), 7, flavor='raw', zero=True,
track_allocation=False)
class FakeMetaInterpSd:
cpu = AbstractCPU()
cpu.ts = None
jitdrivers_sd = [FakeJitDriver()]
def get_name_from_address(self, addr):
return 'Name'
def free_loop_and_bridges(self, compiled_loop_token):
AbstractCPU.free_loop_and_bridges(self, compiled_loop_token)
# turn off all gcreftracers
tracers = compiled_loop_token.asmmemmgr_gcreftracers
if tracers is not None:
compiled_loop_token.asmmemmgr_gcreftracers = None
for tracer in tracers:
self.gc_ll_descr.clear_gcref_tracer(tracer)
# then free all blocks of code and raw data
blocks = compiled_loop_token.asmmemmgr_blocks
if blocks is not None:
compiled_loop_token.asmmemmgr_blocks = None
for rawstart, rawstop in blocks:
self.gc_ll_descr.freeing_block(rawstart, rawstop)
self.asmmemmgr.free(rawstart, rawstop)
if self.HAS_CODEMAP:
self.codemap.free_asm_block(rawstart, rawstop)
def free_loop_and_bridges(self, compiled_loop_token):
AbstractCPU.free_loop_and_bridges(self, compiled_loop_token)
# turn off all gcreftracers
tracers = compiled_loop_token.asmmemmgr_gcreftracers
if tracers is not None:
compiled_loop_token.asmmemmgr_gcreftracers = None
for tracer in tracers:
self.gc_ll_descr.clear_gcref_tracer(tracer)
# then free all blocks of code and raw data
blocks = compiled_loop_token.asmmemmgr_blocks
if blocks is not None:
compiled_loop_token.asmmemmgr_blocks = None
for rawstart, rawstop in blocks:
self.gc_ll_descr.freeing_block(rawstart, rawstop)
self.asmmemmgr.free(rawstart, rawstop)
if self.HAS_CODEMAP:
self.codemap.free_asm_block(rawstart, rawstop)
