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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_OBJECTS_VISITING_INL_H_ | 5 #ifndef V8_OBJECTS_VISITING_INL_H_ |
6 #define V8_OBJECTS_VISITING_INL_H_ | 6 #define V8_OBJECTS_VISITING_INL_H_ |
7 | 7 |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
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256 template <typename StaticVisitor> | 256 template <typename StaticVisitor> |
257 void StaticMarkingVisitor<StaticVisitor>::VisitCodeTarget(Heap* heap, | 257 void StaticMarkingVisitor<StaticVisitor>::VisitCodeTarget(Heap* heap, |
258 RelocInfo* rinfo) { | 258 RelocInfo* rinfo) { |
259 DCHECK(RelocInfo::IsCodeTarget(rinfo->rmode())); | 259 DCHECK(RelocInfo::IsCodeTarget(rinfo->rmode())); |
260 Code* target = Code::GetCodeFromTargetAddress(rinfo->target_address()); | 260 Code* target = Code::GetCodeFromTargetAddress(rinfo->target_address()); |
261 // Monomorphic ICs are preserved when possible, but need to be flushed | 261 // Monomorphic ICs are preserved when possible, but need to be flushed |
262 // when they might be keeping a Context alive, or when the heap is about | 262 // when they might be keeping a Context alive, or when the heap is about |
263 // to be serialized. | 263 // to be serialized. |
264 if (FLAG_cleanup_code_caches_at_gc && target->is_inline_cache_stub() && | 264 if (FLAG_cleanup_code_caches_at_gc && target->is_inline_cache_stub() && |
265 !target->is_call_stub() && | 265 !target->is_call_stub() && |
266 (target->ic_state() == MEGAMORPHIC || target->ic_state() == GENERIC || | 266 ((heap->flush_monomorphic_ics() && !target->is_weak_stub()) || |
267 target->ic_state() == POLYMORPHIC || | |
268 (heap->flush_monomorphic_ics() && !target->is_weak_stub()) || | |
269 heap->isolate()->serializer_enabled() || | 267 heap->isolate()->serializer_enabled() || |
270 target->ic_age() != heap->global_ic_age() || | 268 target->ic_age() != heap->global_ic_age() || |
271 target->is_invalidated_weak_stub())) { | 269 target->is_invalidated_weak_stub())) { |
272 ICUtility::Clear(heap->isolate(), rinfo->pc(), | 270 ICUtility::Clear(heap->isolate(), rinfo->pc(), |
273 rinfo->host()->constant_pool()); | 271 rinfo->host()->constant_pool()); |
274 target = Code::GetCodeFromTargetAddress(rinfo->target_address()); | 272 target = Code::GetCodeFromTargetAddress(rinfo->target_address()); |
275 } | 273 } |
276 heap->mark_compact_collector()->RecordRelocSlot(rinfo, target); | 274 heap->mark_compact_collector()->RecordRelocSlot(rinfo, target); |
277 StaticVisitor::MarkObject(heap, target); | 275 StaticVisitor::MarkObject(heap, target); |
278 } | 276 } |
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944 | 942 |
945 RelocIterator it(this, mode_mask); | 943 RelocIterator it(this, mode_mask); |
946 for (; !it.done(); it.next()) { | 944 for (; !it.done(); it.next()) { |
947 it.rinfo()->template Visit<StaticVisitor>(heap); | 945 it.rinfo()->template Visit<StaticVisitor>(heap); |
948 } | 946 } |
949 } | 947 } |
950 } | 948 } |
951 } // namespace v8::internal | 949 } // namespace v8::internal |
952 | 950 |
953 #endif // V8_OBJECTS_VISITING_INL_H_ | 951 #endif // V8_OBJECTS_VISITING_INL_H_ |
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