Changeset 266250 in webkit for trunk/Source/JavaScriptCore/runtime/VM.cpp

Timestamp:

Aug 27, 2020, 1:01:04 PM (5 years ago)

Author:

[email protected]

Message:

[JSC] Use auxiliary memory for JSBigInt storage
​https://bugs.webkit.org/show_bug.cgi?id=215876

Reviewed by Mark Lam.

This makes JSBigInt non-destructible cell. And it makes allocating JSBigInt from JIT easy.

• runtime/JSBigInt.cpp:

(JSC::JSBigInt::JSBigInt):
(JSC::JSBigInt::visitChildren):
(JSC::JSBigInt::createWithLength):
(JSC::JSBigInt::destroy): Deleted.

• runtime/JSBigInt.h:
• runtime/VM.cpp:

(JSC::VM::VM):

File:

• trunk/Source/JavaScriptCore/runtime/VM.cpp (modified) (1 diff)

trunk/Source/JavaScriptCore/runtime/VM.cpp

@@ -338 +338 @@
     , destructibleObjectSpace("JSDestructibleObject", heap, destructibleObjectHeapCellType.get(), fastMallocAllocator.get()) // Hash:0x4f5ed7a9
     , arraySpace ISO_SUBSPACE_INIT(heap, cellHeapCellType.get(), JSArray)
-    , bigIntSpace ISO_SUBSPACE_INIT(heap, destructibleCellHeapCellType.get(), JSBigInt)
+    , bigIntSpace ISO_SUBSPACE_INIT(heap, cellHeapCellType.get(), JSBigInt)
     , calleeSpace ISO_SUBSPACE_INIT(heap, cellHeapCellType.get(), JSCallee)
     , clonedArgumentsSpace ISO_SUBSPACE_INIT(heap, cellHeapCellType.get(), ClonedArguments)