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

Issue 196133017: Experimental parser: merge r19949 (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/parser
Patch Set: Created 6 years, 9 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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169 // The caller fields are below the frame pointer on the stack. 169 // The caller fields are below the frame pointer on the stack.
170 static const int kCallerFPOffset = +0 * kPointerSize; 170 static const int kCallerFPOffset = +0 * kPointerSize;
171 // The calling JS function is between FP and PC. 171 // The calling JS function is between FP and PC.
172 static const int kCallerPCOffset = +1 * kPointerSize; 172 static const int kCallerPCOffset = +1 * kPointerSize;
173 173
174 // MIPS-specific: a pointer to the old sp to avoid unnecessary calculations. 174 // MIPS-specific: a pointer to the old sp to avoid unnecessary calculations.
175 static const int kCallerSPOffset = +2 * kPointerSize; 175 static const int kCallerSPOffset = +2 * kPointerSize;
176 176
177 // FP-relative displacement of the caller's SP. 177 // FP-relative displacement of the caller's SP.
178 static const int kCallerSPDisplacement = +2 * kPointerSize; 178 static const int kCallerSPDisplacement = +2 * kPointerSize;
179
180 static const int kConstantPoolOffset = 0; // Not used.
179 }; 181 };
180 182
181 183
182 class JavaScriptFrameConstants : public AllStatic { 184 class JavaScriptFrameConstants : public AllStatic {
183 public: 185 public:
184 // FP-relative. 186 // FP-relative.
185 static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset; 187 static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset;
186 static const int kLastParameterOffset = +2 * kPointerSize; 188 static const int kLastParameterOffset = +2 * kPointerSize;
187 static const int kFunctionOffset = StandardFrameConstants::kMarkerOffset; 189 static const int kFunctionOffset = StandardFrameConstants::kMarkerOffset;
188 190
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229 231
230 232
231 inline void StackHandler::SetFp(Address slot, Address fp) { 233 inline void StackHandler::SetFp(Address slot, Address fp) {
232 Memory::Address_at(slot) = fp; 234 Memory::Address_at(slot) = fp;
233 } 235 }
234 236
235 237
236 } } // namespace v8::internal 238 } } // namespace v8::internal
237 239
238 #endif 240 #endif
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