1b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Copyright 2014 the V8 project authors. All rights reserved. 2b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Use of this source code is governed by a BSD-style license that can be 3b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// found in the LICENSE file. 4b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 5b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/compiler/access-builder.h" 6b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/types-inl.h" 7b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 8b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace v8 { 9b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace internal { 10b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace compiler { 11b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 12b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// static 13b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochFieldAccess AccessBuilder::ForMap() { 14b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {kTaggedBase, HeapObject::kMapOffset, Handle<Name>(), Type::Any(), 15b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch kMachAnyTagged}; 16b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 17b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 18b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 19b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// static 20b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochFieldAccess AccessBuilder::ForJSObjectProperties() { 21b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {kTaggedBase, JSObject::kPropertiesOffset, Handle<Name>(), Type::Any(), 22b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch kMachAnyTagged}; 23b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 24b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 25b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 26b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// static 27b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochFieldAccess AccessBuilder::ForJSObjectElements() { 28b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {kTaggedBase, JSObject::kElementsOffset, Handle<Name>(), 29b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Type::Internal(), kMachAnyTagged}; 30b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 31b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 32b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 33b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// static 34b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochFieldAccess AccessBuilder::ForJSFunctionContext() { 35b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {kTaggedBase, JSFunction::kContextOffset, Handle<Name>(), 36b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Type::Internal(), kMachAnyTagged}; 37b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 38b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 39b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 40b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// static 41b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochFieldAccess AccessBuilder::ForJSArrayBufferBackingStore() { 42b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {kTaggedBase, JSArrayBuffer::kBackingStoreOffset, Handle<Name>(), 43b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Type::UntaggedPtr(), kMachPtr}; 44b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 45b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 46b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 47b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// static 48b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochFieldAccess AccessBuilder::ForExternalArrayPointer() { 49b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {kTaggedBase, ExternalArray::kExternalPointerOffset, Handle<Name>(), 50b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Type::UntaggedPtr(), kMachPtr}; 51b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 52b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 53b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 54b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// static 55b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochElementAccess AccessBuilder::ForFixedArrayElement() { 56b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {kTaggedBase, FixedArray::kHeaderSize, Type::Any(), kMachAnyTagged}; 57b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 58b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 59b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 60b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// static 61b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochElementAccess AccessBuilder::ForBackingStoreElement(MachineType rep) { 62b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {kUntaggedBase, kNonHeapObjectHeaderSize - kHeapObjectTag, Type::Any(), 63b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch rep}; 64b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 65b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 66b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 67b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// static 68b8a8cc1952d61a2f3a2568848933943a543b5d3eBen MurdochElementAccess AccessBuilder::ForTypedArrayElement(ExternalArrayType type, 69b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch bool is_external) { 70b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch BaseTaggedness taggedness = is_external ? kUntaggedBase : kTaggedBase; 71b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch int header_size = is_external ? 0 : FixedTypedArrayBase::kDataOffset; 72b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch switch (type) { 73b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch case kExternalInt8Array: 74b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {taggedness, header_size, Type::Signed32(), kMachInt8}; 75b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch case kExternalUint8Array: 76b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch case kExternalUint8ClampedArray: 77b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {taggedness, header_size, Type::Unsigned32(), kMachUint8}; 78b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch case kExternalInt16Array: 79b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {taggedness, header_size, Type::Signed32(), kMachInt16}; 80b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch case kExternalUint16Array: 81b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {taggedness, header_size, Type::Unsigned32(), kMachUint16}; 82b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch case kExternalInt32Array: 83b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {taggedness, header_size, Type::Signed32(), kMachInt32}; 84b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch case kExternalUint32Array: 85b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {taggedness, header_size, Type::Unsigned32(), kMachUint32}; 86b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch case kExternalFloat32Array: 87b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {taggedness, header_size, Type::Number(), kRepFloat32}; 88b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch case kExternalFloat64Array: 89b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {taggedness, header_size, Type::Number(), kRepFloat64}; 90b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 91b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch UNREACHABLE(); 92b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return {kUntaggedBase, 0, Type::None(), kMachNone}; 93b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 94b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 95b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} // namespace compiler 96b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} // namespace internal 97b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} // namespace v8 98