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 | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 37 | // Provides access to JSFunction::context() field. |
| 38 | static FieldAccess ForJSFunctionContext(); |
| 39 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 40 | // Provides access to JSFunction::shared() field. |
| 41 | static FieldAccess ForJSFunctionSharedFunctionInfo(); |
| 42 | |
| 43 | // Provides access to JSArray::length() field. |
| 44 | static FieldAccess ForJSArrayLength(ElementsKind elements_kind); |
| 45 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 46 | // Provides access to JSArrayBuffer::backing_store() field. |
| 47 | static FieldAccess ForJSArrayBufferBackingStore(); |
| 48 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 49 | // Provides access to JSArrayBuffer::bit_field() field. |
| 50 | static FieldAccess ForJSArrayBufferBitField(); |
| 51 | |
| 52 | // Provides access to JSArrayBufferView::buffer() field. |
| 53 | static FieldAccess ForJSArrayBufferViewBuffer(); |
| 54 | |
| 55 | // Provides access to JSDate fields. |
| 56 | static FieldAccess ForJSDateField(JSDate::FieldIndex index); |
| 57 | |
| 58 | // Provides access to JSIteratorResult::done() field. |
| 59 | static FieldAccess ForJSIteratorResultDone(); |
| 60 | |
| 61 | // Provides access to JSIteratorResult::value() field. |
| 62 | static FieldAccess ForJSIteratorResultValue(); |
| 63 | |
| 64 | // Provides access to JSRegExp::flags() field. |
| 65 | static FieldAccess ForJSRegExpFlags(); |
| 66 | |
| 67 | // Provides access to JSRegExp::source() field. |
| 68 | static FieldAccess ForJSRegExpSource(); |
| 69 | |
| 70 | // Provides access to FixedArray::length() field. |
| 71 | static FieldAccess ForFixedArrayLength(); |
| 72 | |
| 73 | // Provides access to DescriptorArray::enum_cache() field. |
| 74 | static FieldAccess ForDescriptorArrayEnumCache(); |
| 75 | |
| 76 | // Provides access to DescriptorArray::enum_cache_bridge_cache() field. |
| 77 | static FieldAccess ForDescriptorArrayEnumCacheBridgeCache(); |
| 78 | |
| 79 | // Provides access to Map::bit_field() byte. |
| 80 | static FieldAccess ForMapBitField(); |
| 81 | |
| 82 | // Provides access to Map::bit_field3() field. |
| 83 | static FieldAccess ForMapBitField3(); |
| 84 | |
| 85 | // Provides access to Map::descriptors() field. |
| 86 | static FieldAccess ForMapDescriptors(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 87 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 88 | // Provides access to Map::instance_type() field. |
| 89 | static FieldAccess ForMapInstanceType(); |
| 90 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 91 | // Provides access to Map::prototype() field. |
| 92 | static FieldAccess ForMapPrototype(); |
| 93 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 94 | // Provides access to String::length() field. |
| 95 | static FieldAccess ForStringLength(); |
| 96 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 97 | // Provides access to JSGlobalObject::global_proxy() field. |
| 98 | static FieldAccess ForJSGlobalObjectGlobalProxy(); |
| 99 | |
| 100 | // Provides access to JSGlobalObject::native_context() field. |
| 101 | static FieldAccess ForJSGlobalObjectNativeContext(); |
| 102 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 103 | // Provides access to JSValue::value() field. |
| 104 | static FieldAccess ForValue(); |
| 105 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 106 | // Provides access to arguments object fields. |
| 107 | static FieldAccess ForArgumentsLength(); |
| 108 | static FieldAccess ForArgumentsCallee(); |
| 109 | |
| 110 | // Provides access to FixedArray slots. |
| 111 | static FieldAccess ForFixedArraySlot(size_t index); |
| 112 | |
| 113 | // Provides access to Context slots. |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 114 | static FieldAccess ForContextSlot(size_t index); |
| 115 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 116 | // Provides access to PropertyCell::value() field. |
| 117 | static FieldAccess ForPropertyCellValue(); |
| 118 | static FieldAccess ForPropertyCellValue(Type* type); |
| 119 | |
| 120 | // Provides access to SharedFunctionInfo::feedback_vector() field. |
| 121 | static FieldAccess ForSharedFunctionInfoTypeFeedbackVector(); |
| 122 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 123 | // Provides access to FixedArray elements. |
| 124 | static ElementAccess ForFixedArrayElement(); |
| 125 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 126 | // Provides access to FixedDoubleArray elements. |
| 127 | static ElementAccess ForFixedDoubleArrayElement(); |
| 128 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 129 | // Provides access to Fixed{type}TypedArray and External{type}Array elements. |
| 130 | static ElementAccess ForTypedArrayElement(ExternalArrayType type, |
| 131 | bool is_external); |
| 132 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 133 | // =========================================================================== |
| 134 | // Access to global per-isolate variables (based on external reference). |
| 135 | |
| 136 | // Provides access to the backing store of a StatsCounter. |
| 137 | static FieldAccess ForStatsCounter(); |
| 138 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 139 | private: |
| 140 | DISALLOW_IMPLICIT_CONSTRUCTORS(AccessBuilder); |
| 141 | }; |
| 142 | |
| 143 | } // namespace compiler |
| 144 | } // namespace internal |
| 145 | } // namespace v8 |
| 146 | |
| 147 | #endif // V8_COMPILER_ACCESS_BUILDER_H_ |