OLD | NEW |
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 #include "src/mips/codegen-mips.h" | 5 #include "src/mips/codegen-mips.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_MIPS | 7 #if V8_TARGET_ARCH_MIPS |
8 | 8 |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/macro-assembler.h" | 10 #include "src/macro-assembler.h" |
(...skipping 1179 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1190 DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength); | 1190 DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength); |
1191 // Since patcher is a large object, allocate it dynamically when needed, | 1191 // Since patcher is a large object, allocate it dynamically when needed, |
1192 // to avoid overloading the stack in stress conditions. | 1192 // to avoid overloading the stack in stress conditions. |
1193 // DONT_FLUSH is used because the CodeAgingHelper is initialized early in | 1193 // DONT_FLUSH is used because the CodeAgingHelper is initialized early in |
1194 // the process, before MIPS simulator ICache is setup. | 1194 // the process, before MIPS simulator ICache is setup. |
1195 base::SmartPointer<CodePatcher> patcher( | 1195 base::SmartPointer<CodePatcher> patcher( |
1196 new CodePatcher(isolate, young_sequence_.start(), | 1196 new CodePatcher(isolate, young_sequence_.start(), |
1197 young_sequence_.length() / Assembler::kInstrSize, | 1197 young_sequence_.length() / Assembler::kInstrSize, |
1198 CodePatcher::DONT_FLUSH)); | 1198 CodePatcher::DONT_FLUSH)); |
1199 PredictableCodeSizeScope scope(patcher->masm(), young_sequence_.length()); | 1199 PredictableCodeSizeScope scope(patcher->masm(), young_sequence_.length()); |
1200 patcher->masm()->Push(ra, fp, cp, a1); | 1200 patcher->masm()->PushStandardFrame(a1); |
1201 patcher->masm()->nop(Assembler::CODE_AGE_SEQUENCE_NOP); | 1201 patcher->masm()->nop(Assembler::CODE_AGE_SEQUENCE_NOP); |
1202 patcher->masm()->Addu( | |
1203 fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp)); | |
1204 } | 1202 } |
1205 | 1203 |
1206 | 1204 |
1207 #ifdef DEBUG | 1205 #ifdef DEBUG |
1208 bool CodeAgingHelper::IsOld(byte* candidate) const { | 1206 bool CodeAgingHelper::IsOld(byte* candidate) const { |
1209 return Memory::uint32_at(candidate) == kCodeAgePatchFirstInstruction; | 1207 return Memory::uint32_at(candidate) == kCodeAgePatchFirstInstruction; |
1210 } | 1208 } |
1211 #endif | 1209 #endif |
1212 | 1210 |
1213 | 1211 |
(...skipping 45 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1259 } | 1257 } |
1260 } | 1258 } |
1261 | 1259 |
1262 | 1260 |
1263 #undef __ | 1261 #undef __ |
1264 | 1262 |
1265 } // namespace internal | 1263 } // namespace internal |
1266 } // namespace v8 | 1264 } // namespace v8 |
1267 | 1265 |
1268 #endif // V8_TARGET_ARCH_MIPS | 1266 #endif // V8_TARGET_ARCH_MIPS |
OLD | NEW |