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Unified Diff: src/mark-compact.cc

Issue 11040021: Fix slot recording of code target patches. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed comments by Ulan Degenbaev. Created 8 years, 2 months ago
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Index: src/mark-compact.cc
diff --git a/src/mark-compact.cc b/src/mark-compact.cc
index 2704f51f0adf83ed3d90a1de4dcb14ce0e189c4a..f027677cd13f7122f8f498e14d0c64231c27a517 100644
--- a/src/mark-compact.cc
+++ b/src/mark-compact.cc
@@ -4079,6 +4079,20 @@ void MarkCompactCollector::RecordCodeEntrySlot(Address slot, Code* target) {
}
+void MarkCompactCollector::RecordCodeTargetPatch(Address pc, Code* target) {
+ ASSERT(heap()->gc_state() == Heap::MARK_COMPACT);
+ if(is_compacting()) {
+ Code* host = heap()->isolate()->inner_pointer_to_code_cache()->
+ GcSafeFindCodeForInnerPointer(pc);
+ MarkBit mark_bit = Marking::MarkBitFrom(host);
+ if (Marking::IsBlack(mark_bit)) {
+ RelocInfo rinfo(pc, RelocInfo::CODE_TARGET, 0, host);
+ RecordRelocSlot(&rinfo, target);
+ }
+ }
+}
+
+
static inline SlotsBuffer::SlotType DecodeSlotType(
SlotsBuffer::ObjectSlot slot) {
return static_cast<SlotsBuffer::SlotType>(reinterpret_cast<intptr_t>(slot));
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