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Side by Side Diff: src/arm/frames-arm.h

Issue 1220223005: Cleanup frame description constant. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@local_graph-builder-new-target
Patch Set: Addressed comments. Created 5 years, 5 months ago
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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_ARM_FRAMES_ARM_H_ 5 #ifndef V8_ARM_FRAMES_ARM_H_
6 #define V8_ARM_FRAMES_ARM_H_ 6 #define V8_ARM_FRAMES_ARM_H_
7 7
8 namespace v8 { 8 namespace v8 {
9 namespace internal { 9 namespace internal {
10 10
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121 static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset; 121 static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset;
122 static const int kLastParameterOffset = +2 * kPointerSize; 122 static const int kLastParameterOffset = +2 * kPointerSize;
123 static const int kFunctionOffset = StandardFrameConstants::kMarkerOffset; 123 static const int kFunctionOffset = StandardFrameConstants::kMarkerOffset;
124 124
125 // Caller SP-relative. 125 // Caller SP-relative.
126 static const int kParam0Offset = -2 * kPointerSize; 126 static const int kParam0Offset = -2 * kPointerSize;
127 static const int kReceiverOffset = -1 * kPointerSize; 127 static const int kReceiverOffset = -1 * kPointerSize;
128 }; 128 };
129 129
130 130
131 class ArgumentsAdaptorFrameConstants : public AllStatic {
132 public:
133 // FP-relative.
134 static const int kLengthOffset = StandardFrameConstants::kExpressionsOffset;
135
136 static const int kFrameSize =
137 StandardFrameConstants::kFixedFrameSize + kPointerSize;
138 };
139
140
141 class ConstructFrameConstants : public AllStatic {
142 public:
143 // FP-relative.
144 static const int kImplicitReceiverOffset = -5 * kPointerSize;
145 static const int kLengthOffset = -4 * kPointerSize;
146 static const int kCodeOffset = StandardFrameConstants::kExpressionsOffset;
147
148 static const int kFrameSize =
149 StandardFrameConstants::kFixedFrameSize + 3 * kPointerSize;
150 };
151
152
153 class InternalFrameConstants : public AllStatic {
154 public:
155 // FP-relative.
156 static const int kCodeOffset = StandardFrameConstants::kExpressionsOffset;
157 };
158
159
160 inline Object* JavaScriptFrame::function_slot_object() const { 131 inline Object* JavaScriptFrame::function_slot_object() const {
161 const int offset = JavaScriptFrameConstants::kFunctionOffset; 132 const int offset = JavaScriptFrameConstants::kFunctionOffset;
162 return Memory::Object_at(fp() + offset); 133 return Memory::Object_at(fp() + offset);
163 } 134 }
164 135
165 136
166 } } // namespace v8::internal 137 } } // namespace v8::internal
167 138
168 #endif // V8_ARM_FRAMES_ARM_H_ 139 #endif // V8_ARM_FRAMES_ARM_H_
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