Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef V8_COMPILER_ACCESS_BUILDER_H_ |
| 6 | #define V8_COMPILER_ACCESS_BUILDER_H_ |
| 7 | |
| 8 | #include "src/compiler/simplified-operator.h" |
| 9 | |
| 10 | namespace v8 { |
| 11 | namespace internal { |
| 12 | namespace compiler { |
| 13 | |
| 14 | // This access builder provides a set of static methods constructing commonly |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 15 | // used FieldAccess and ElementAccess descriptors. These descriptors serve as |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 16 | // parameters to simplified load/store operators. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 17 | class AccessBuilder final : public AllStatic { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 18 | public: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 19 | // =========================================================================== |
| 20 | // Access to heap object fields and elements (based on tagged pointer). |
| 21 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 22 | // Provides access to HeapObject::map() field. |
| 23 | static FieldAccess ForMap(); |
| 24 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 25 | // Provides access to HeapNumber::value() field. |
| 26 | static FieldAccess ForHeapNumberValue(); |
| 27 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 28 | // Provides access to JSObject::properties() field. |
| 29 | static FieldAccess ForJSObjectProperties(); |
| 30 | |
| 31 | // Provides access to JSObject::elements() field. |
| 32 | static FieldAccess ForJSObjectElements(); |
| 33 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 34 | // Provides access to JSObject inobject property fields. |
| 35 | static FieldAccess ForJSObjectInObjectProperty(Handle<Map> map, int index); |
| 36 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 37 | // Provides access to JSFunction::prototype_or_initial_map() field. |
| 38 | static FieldAccess ForJSFunctionPrototypeOrInitialMap(); |
| 39 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 40 | // Provides access to JSFunction::context() field. |
| 41 | static FieldAccess ForJSFunctionContext(); |
| 42 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 43 | // Provides access to JSFunction::shared() field. |
| 44 | static FieldAccess ForJSFunctionSharedFunctionInfo(); |
| 45 | |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 46 | // Provides access to JSFunction::literals() field. |
| 47 | static FieldAccess ForJSFunctionLiterals(); |
| 48 | |
| 49 | // Provides access to JSFunction::code() field. |
| 50 | static FieldAccess ForJSFunctionCodeEntry(); |
| 51 | |
| 52 | // Provides access to JSFunction::next_function_link() field. |
| 53 | static FieldAccess ForJSFunctionNextFunctionLink(); |
| 54 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 55 | // Provides access to JSGeneratorObject::context() field. |
| 56 | static FieldAccess ForJSGeneratorObjectContext(); |
| 57 | |
| 58 | // Provides access to JSGeneratorObject::continuation() field. |
| 59 | static FieldAccess ForJSGeneratorObjectContinuation(); |
| 60 | |
| 61 | // Provides access to JSGeneratorObject::input_or_debug_pos() field. |
| 62 | static FieldAccess ForJSGeneratorObjectInputOrDebugPos(); |
| 63 | |
| 64 | // Provides access to JSGeneratorObject::operand_stack() field. |
| 65 | static FieldAccess ForJSGeneratorObjectOperandStack(); |
| 66 | |
| 67 | // Provides access to JSGeneratorObject::resume_mode() field. |
| 68 | static FieldAccess ForJSGeneratorObjectResumeMode(); |
| 69 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 70 | // Provides access to JSArray::length() field. |
| 71 | static FieldAccess ForJSArrayLength(ElementsKind elements_kind); |
| 72 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 73 | // Provides access to JSArrayBuffer::backing_store() field. |
| 74 | static FieldAccess ForJSArrayBufferBackingStore(); |
| 75 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 76 | // Provides access to JSArrayBuffer::bit_field() field. |
| 77 | static FieldAccess ForJSArrayBufferBitField(); |
| 78 | |
| 79 | // Provides access to JSArrayBufferView::buffer() field. |
| 80 | static FieldAccess ForJSArrayBufferViewBuffer(); |
| 81 | |
| 82 | // Provides access to JSDate fields. |
| 83 | static FieldAccess ForJSDateField(JSDate::FieldIndex index); |
| 84 | |
| 85 | // Provides access to JSIteratorResult::done() field. |
| 86 | static FieldAccess ForJSIteratorResultDone(); |
| 87 | |
| 88 | // Provides access to JSIteratorResult::value() field. |
| 89 | static FieldAccess ForJSIteratorResultValue(); |
| 90 | |
| 91 | // Provides access to JSRegExp::flags() field. |
| 92 | static FieldAccess ForJSRegExpFlags(); |
| 93 | |
| 94 | // Provides access to JSRegExp::source() field. |
| 95 | static FieldAccess ForJSRegExpSource(); |
| 96 | |
| 97 | // Provides access to FixedArray::length() field. |
| 98 | static FieldAccess ForFixedArrayLength(); |
| 99 | |
| 100 | // Provides access to DescriptorArray::enum_cache() field. |
| 101 | static FieldAccess ForDescriptorArrayEnumCache(); |
| 102 | |
| 103 | // Provides access to DescriptorArray::enum_cache_bridge_cache() field. |
| 104 | static FieldAccess ForDescriptorArrayEnumCacheBridgeCache(); |
| 105 | |
| 106 | // Provides access to Map::bit_field() byte. |
| 107 | static FieldAccess ForMapBitField(); |
| 108 | |
| 109 | // Provides access to Map::bit_field3() field. |
| 110 | static FieldAccess ForMapBitField3(); |
| 111 | |
| 112 | // Provides access to Map::descriptors() field. |
| 113 | static FieldAccess ForMapDescriptors(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 114 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 115 | // Provides access to Map::instance_type() field. |
| 116 | static FieldAccess ForMapInstanceType(); |
| 117 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 118 | // Provides access to Map::prototype() field. |
| 119 | static FieldAccess ForMapPrototype(); |
| 120 | |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 121 | // Provides access to Name::hash_field() field. |
| 122 | static FieldAccess ForNameHashField(); |
| 123 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 124 | // Provides access to String::length() field. |
| 125 | static FieldAccess ForStringLength(); |
| 126 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 127 | // Provides access to JSGlobalObject::global_proxy() field. |
| 128 | static FieldAccess ForJSGlobalObjectGlobalProxy(); |
| 129 | |
| 130 | // Provides access to JSGlobalObject::native_context() field. |
| 131 | static FieldAccess ForJSGlobalObjectNativeContext(); |
| 132 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 133 | // Provides access to JSValue::value() field. |
| 134 | static FieldAccess ForValue(); |
| 135 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 136 | // Provides access to arguments object fields. |
| 137 | static FieldAccess ForArgumentsLength(); |
| 138 | static FieldAccess ForArgumentsCallee(); |
| 139 | |
| 140 | // Provides access to FixedArray slots. |
| 141 | static FieldAccess ForFixedArraySlot(size_t index); |
| 142 | |
| 143 | // Provides access to Context slots. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 144 | static FieldAccess ForContextSlot(size_t index); |
| 145 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 146 | // Provides access to PropertyCell::value() field. |
| 147 | static FieldAccess ForPropertyCellValue(); |
| 148 | static FieldAccess ForPropertyCellValue(Type* type); |
| 149 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 150 | // Provides access to FixedArray elements. |
| 151 | static ElementAccess ForFixedArrayElement(); |
| 152 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 153 | // Provides access to FixedDoubleArray elements. |
| 154 | static ElementAccess ForFixedDoubleArrayElement(); |
| 155 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 156 | // Provides access to Fixed{type}TypedArray and External{type}Array elements. |
| 157 | static ElementAccess ForTypedArrayElement(ExternalArrayType type, |
| 158 | bool is_external); |
| 159 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 160 | private: |
| 161 | DISALLOW_IMPLICIT_CONSTRUCTORS(AccessBuilder); |
| 162 | }; |
| 163 | |
| 164 | } // namespace compiler |
| 165 | } // namespace internal |
| 166 | } // namespace v8 |
| 167 | |
| 168 | #endif // V8_COMPILER_ACCESS_BUILDER_H_ |