| 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/arm/codegen-arm.h" | 5 #include "src/arm/codegen-arm.h" |
| 6 | 6 |
| 7 #if V8_TARGET_ARCH_ARM | 7 #if V8_TARGET_ARCH_ARM |
| 8 | 8 |
| 9 #include "src/arm/simulator-arm.h" | 9 #include "src/arm/simulator-arm.h" |
| 10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
| (...skipping 880 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 891 DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength); | 891 DCHECK(young_sequence_.length() == kNoCodeAgeSequenceLength); |
| 892 // Since patcher is a large object, allocate it dynamically when needed, | 892 // Since patcher is a large object, allocate it dynamically when needed, |
| 893 // to avoid overloading the stack in stress conditions. | 893 // to avoid overloading the stack in stress conditions. |
| 894 // DONT_FLUSH is used because the CodeAgingHelper is initialized early in | 894 // DONT_FLUSH is used because the CodeAgingHelper is initialized early in |
| 895 // the process, before ARM simulator ICache is setup. | 895 // the process, before ARM simulator ICache is setup. |
| 896 base::SmartPointer<CodePatcher> patcher( | 896 base::SmartPointer<CodePatcher> patcher( |
| 897 new CodePatcher(isolate, young_sequence_.start(), | 897 new CodePatcher(isolate, young_sequence_.start(), |
| 898 young_sequence_.length() / Assembler::kInstrSize, | 898 young_sequence_.length() / Assembler::kInstrSize, |
| 899 CodePatcher::DONT_FLUSH)); | 899 CodePatcher::DONT_FLUSH)); |
| 900 PredictableCodeSizeScope scope(patcher->masm(), young_sequence_.length()); | 900 PredictableCodeSizeScope scope(patcher->masm(), young_sequence_.length()); |
| 901 patcher->masm()->PushFixedFrame(r1); | 901 patcher->masm()->PushStandardFrame(r1); |
| 902 patcher->masm()->nop(ip.code()); | 902 patcher->masm()->nop(ip.code()); |
| 903 patcher->masm()->add( | |
| 904 fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp)); | |
| 905 } | 903 } |
| 906 | 904 |
| 907 | 905 |
| 908 #ifdef DEBUG | 906 #ifdef DEBUG |
| 909 bool CodeAgingHelper::IsOld(byte* candidate) const { | 907 bool CodeAgingHelper::IsOld(byte* candidate) const { |
| 910 return Memory::uint32_at(candidate) == kCodeAgePatchFirstInstruction; | 908 return Memory::uint32_at(candidate) == kCodeAgePatchFirstInstruction; |
| 911 } | 909 } |
| 912 #endif | 910 #endif |
| 913 | 911 |
| 914 | 912 |
| (...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 949 patcher.masm()->ldr(pc, MemOperand(pc, -4)); | 947 patcher.masm()->ldr(pc, MemOperand(pc, -4)); |
| 950 patcher.masm()->emit_code_stub_address(stub); | 948 patcher.masm()->emit_code_stub_address(stub); |
| 951 } | 949 } |
| 952 } | 950 } |
| 953 | 951 |
| 954 | 952 |
| 955 } // namespace internal | 953 } // namespace internal |
| 956 } // namespace v8 | 954 } // namespace v8 |
| 957 | 955 |
| 958 #endif // V8_TARGET_ARCH_ARM | 956 #endif // V8_TARGET_ARCH_ARM |
| OLD | NEW |