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Unified Diff: src/runtime.cc

Issue 3034060: Create a new RegExp object for every evaluation of a RegExp literal. (Closed)
Patch Set: Addressed review comments. Created 10 years, 4 months ago
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Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 32c5dff78c5744969f116a22e780675d429f8dc9..c7d3ff7f1bfbef600176c806619a1e946fa703fb 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -7587,6 +7587,26 @@ static Object* Runtime_SetNewFunctionAttributes(Arguments args) {
}
+static Object* Runtime_AllocateInNewSpace(Arguments args) {
+ // Allocate a block of memory in NewSpace (filled with a filler).
+ // Use as fallback for allocation in generated code when NewSpace
+ // is full.
+ ASSERT(args.length() == 1);
+ CONVERT_ARG_CHECKED(Smi, size_smi, 0);
+ int size = size_smi->value();
+ RUNTIME_ASSERT(IsAligned(size, kPointerSize));
+ RUNTIME_ASSERT(size > 0);
+ static const int kMinFreeNewSpaceAfterGC =
+ Heap::InitialSemiSpaceSize() * 3/4;
+ RUNTIME_ASSERT(size <= kMinFreeNewSpaceAfterGC);
+ Object* allocation = Heap::new_space()->AllocateRaw(size);
+ if (!allocation->IsFailure()) {
+ Heap::CreateFillerObjectAt(HeapObject::cast(allocation)->address(), size);
+ }
+ return allocation;
+}
+
+
// Push an array unto an array of arrays if it is not already in the
// array. Returns true if the element was pushed on the stack and
// false otherwise.
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