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authorwolfbeast <mcwerewolf@wolfbeast.com>2019-05-15 19:37:25 +0000
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-05-15 20:37:51 +0000
commit5fd4b87267ba8f3c667533b0336554a7cc008876 (patch)
tree19415ea47262a3f342870505c99e460735941165 /js/src/gc/Marking.cpp
parentd40bcc350ce47de4a92dd1dc7f7162dc1154678b (diff)
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Remove unboxed objects from GC
Diffstat (limited to 'js/src/gc/Marking.cpp')
-rw-r--r--js/src/gc/Marking.cpp46
1 files changed, 1 insertions, 45 deletions
diff --git a/js/src/gc/Marking.cpp b/js/src/gc/Marking.cpp
index 3ea4c9d29..47d2314c1 100644
--- a/js/src/gc/Marking.cpp
+++ b/js/src/gc/Marking.cpp
@@ -18,6 +18,7 @@
#include "builtin/ModuleObject.h"
#include "gc/GCInternals.h"
#include "gc/Policy.h"
+#include "gc/StoreBuffer-inl.h"
#include "jit/IonCode.h"
#include "js/SliceBudget.h"
#include "vm/ArgumentsObject.h"
@@ -28,7 +29,6 @@
#include "vm/Shape.h"
#include "vm/Symbol.h"
#include "vm/TypedArrayObject.h"
-#include "vm/UnboxedObject.h"
#include "wasm/WasmJS.h"
#include "jscompartmentinlines.h"
@@ -37,7 +37,6 @@
#include "gc/Nursery-inl.h"
#include "vm/String-inl.h"
-#include "vm/UnboxedObject-inl.h"
using namespace js;
using namespace js::gc;
@@ -1395,14 +1394,6 @@ js::ObjectGroup::traceChildren(JSTracer* trc)
if (maybePreliminaryObjects())
maybePreliminaryObjects()->trace(trc);
- if (maybeUnboxedLayout())
- unboxedLayout().trace(trc);
-
- if (ObjectGroup* unboxedGroup = maybeOriginalUnboxedGroup()) {
- TraceManuallyBarrieredEdge(trc, &unboxedGroup, "group_original_unboxed_group");
- setOriginalUnboxedGroup(unboxedGroup);
- }
-
if (JSObject* descr = maybeTypeDescr()) {
TraceManuallyBarrieredEdge(trc, &descr, "group_type_descr");
setTypeDescr(&descr->as<TypeDescr>());
@@ -1436,12 +1427,6 @@ js::GCMarker::lazilyMarkChildren(ObjectGroup* group)
if (group->maybePreliminaryObjects())
group->maybePreliminaryObjects()->trace(this);
- if (group->maybeUnboxedLayout())
- group->unboxedLayout().trace(this);
-
- if (ObjectGroup* unboxedGroup = group->maybeOriginalUnboxedGroup())
- traverseEdge(group, unboxedGroup);
-
if (TypeDescr* descr = group->maybeTypeDescr())
traverseEdge(group, static_cast<JSObject*>(descr));
@@ -1484,23 +1469,6 @@ CallTraceHook(Functor f, JSTracer* trc, JSObject* obj, CheckGeneration check, Ar
return nullptr;
}
- if (clasp == &UnboxedPlainObject::class_) {
- JSObject** pexpando = obj->as<UnboxedPlainObject>().addressOfExpando();
- if (*pexpando)
- f(pexpando, mozilla::Forward<Args>(args)...);
-
- UnboxedPlainObject& unboxed = obj->as<UnboxedPlainObject>();
- const UnboxedLayout& layout = check == CheckGeneration::DoChecks
- ? unboxed.layout()
- : unboxed.layoutDontCheckGeneration();
- if (layout.traceList()) {
- VisitTraceList(f, layout.traceList(), unboxed.data(),
- mozilla::Forward<Args>(args)...);
- }
-
- return nullptr;
- }
-
clasp->doTrace(trc, obj);
if (!clasp->isNative())
@@ -2293,18 +2261,6 @@ static inline void
TraceWholeCell(TenuringTracer& mover, JSObject* object)
{
mover.traceObject(object);
-
- // Additionally trace the expando object attached to any unboxed plain
- // objects. Baseline and Ion can write properties to the expando while
- // only adding a post barrier to the owning unboxed object. Note that
- // it isn't possible for a nursery unboxed object to have a tenured
- // expando, so that adding a post barrier on the original object will
- // capture any tenured->nursery edges in the expando as well.
-
- if (object->is<UnboxedPlainObject>()) {
- if (UnboxedExpandoObject* expando = object->as<UnboxedPlainObject>().maybeExpando())
- expando->traceChildren(&mover);
- }
}
static inline void