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// Copyright 2012 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_IC_IC_INL_H_
#define V8_IC_IC_INL_H_
#include "src/ic/ic.h"
#include "src/assembler-inl.h"
#include "src/debug/debug.h"
#include "src/frames-inl.h"
#include "src/handles-inl.h"
#include "src/prototype.h"
namespace v8 {
namespace internal {
Address IC::address() const {
// Get the address of the call.
return Assembler::target_address_from_return_address(pc());
}
Address IC::constant_pool() const {
if (FLAG_enable_embedded_constant_pool) {
return raw_constant_pool();
} else {
return kNullAddress;
}
}
Address IC::raw_constant_pool() const {
if (FLAG_enable_embedded_constant_pool) {
return *constant_pool_address_;
} else {
return kNullAddress;
}
}
void IC::update_receiver_map(Handle<Object> receiver) {
if (receiver->IsSmi()) {
receiver_map_ = isolate_->factory()->heap_number_map();
} else {
receiver_map_ = handle(HeapObject::cast(*receiver)->map(), isolate_);
}
}
bool IC::IsHandler(MaybeObject object) {
HeapObject heap_object;
return (object->IsSmi() && (object.ptr() != kNullAddress)) ||
(object->GetHeapObjectIfWeak(&heap_object) &&
(heap_object->IsMap() || heap_object->IsPropertyCell())) ||
(object->GetHeapObjectIfStrong(&heap_object) &&
(heap_object->IsDataHandler() || heap_object->IsCode()));
}
bool IC::AddressIsDeoptimizedCode() const {
return AddressIsDeoptimizedCode(isolate(), address());
}
// static
bool IC::AddressIsDeoptimizedCode(Isolate* isolate, Address address) {
Code host =
isolate->inner_pointer_to_code_cache()->GetCacheEntry(address)->code;
return (host->kind() == Code::OPTIMIZED_FUNCTION &&
host->marked_for_deoptimization());
}
bool IC::vector_needs_update() {
if (state() == NO_FEEDBACK) return false;
return (!vector_set_ &&
(state() != MEGAMORPHIC ||
nexus()->GetFeedbackExtra().ToSmi().value() != ELEMENT));
}
} // namespace internal
} // namespace v8
#endif // V8_IC_IC_INL_H_