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Issue 1480623002: Never call CpuFeatures::FlushICache directly (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: updates Created 5 years 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 #include "src/mips64/codegen-mips64.h" 5 #include "src/mips64/codegen-mips64.h"
6 6
7 #if V8_TARGET_ARCH_MIPS64 7 #if V8_TARGET_ARCH_MIPS64
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 40 matching lines...) Expand 10 before | Expand all | Expand 10 after
51 temp1, temp2, temp3); 51 temp1, temp2, temp3);
52 __ Pop(temp3, temp2, temp1); 52 __ Pop(temp3, temp2, temp1);
53 __ MovToFloatResult(result); 53 __ MovToFloatResult(result);
54 __ Ret(); 54 __ Ret();
55 } 55 }
56 56
57 CodeDesc desc; 57 CodeDesc desc;
58 masm.GetCode(&desc); 58 masm.GetCode(&desc);
59 DCHECK(!RelocInfo::RequiresRelocation(desc)); 59 DCHECK(!RelocInfo::RequiresRelocation(desc));
60 60
61 CpuFeatures::FlushICache(buffer, actual_size); 61 Assembler::FlushICache(isolate, buffer, actual_size);
62 base::OS::ProtectCode(buffer, actual_size); 62 base::OS::ProtectCode(buffer, actual_size);
63 63
64 #if !defined(USE_SIMULATOR) 64 #if !defined(USE_SIMULATOR)
65 return FUNCTION_CAST<UnaryMathFunctionWithIsolate>(buffer); 65 return FUNCTION_CAST<UnaryMathFunctionWithIsolate>(buffer);
66 #else 66 #else
67 fast_exp_mips_machine_code = buffer; 67 fast_exp_mips_machine_code = buffer;
68 return &fast_exp_simulator; 68 return &fast_exp_simulator;
69 #endif 69 #endif
70 } 70 }
71 71
(...skipping 519 matching lines...) Expand 10 before | Expand all | Expand 10 after
591 __ bne(a0, a3, &ua_smallCopy_loop); 591 __ bne(a0, a3, &ua_smallCopy_loop);
592 __ sb(v1, MemOperand(a0, -1)); // In delay slot. 592 __ sb(v1, MemOperand(a0, -1)); // In delay slot.
593 593
594 __ jr(ra); 594 __ jr(ra);
595 __ nop(); 595 __ nop();
596 } 596 }
597 CodeDesc desc; 597 CodeDesc desc;
598 masm.GetCode(&desc); 598 masm.GetCode(&desc);
599 DCHECK(!RelocInfo::RequiresRelocation(desc)); 599 DCHECK(!RelocInfo::RequiresRelocation(desc));
600 600
601 CpuFeatures::FlushICache(buffer, actual_size); 601 Assembler::FlushICacheWithoutIsolate(buffer, actual_size);
602 base::OS::ProtectCode(buffer, actual_size); 602 base::OS::ProtectCode(buffer, actual_size);
603 return FUNCTION_CAST<MemCopyUint8Function>(buffer); 603 return FUNCTION_CAST<MemCopyUint8Function>(buffer);
604 #endif 604 #endif
605 } 605 }
606 #endif 606 #endif
607 607
608 UnaryMathFunctionWithIsolate CreateSqrtFunction(Isolate* isolate) { 608 UnaryMathFunctionWithIsolate CreateSqrtFunction(Isolate* isolate) {
609 #if defined(USE_SIMULATOR) 609 #if defined(USE_SIMULATOR)
610 return nullptr; 610 return nullptr;
611 #else 611 #else
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1231 } 1231 }
1232 1232
1233 1233
1234 void Code::PatchPlatformCodeAge(Isolate* isolate, 1234 void Code::PatchPlatformCodeAge(Isolate* isolate,
1235 byte* sequence, 1235 byte* sequence,
1236 Code::Age age, 1236 Code::Age age,
1237 MarkingParity parity) { 1237 MarkingParity parity) {
1238 uint32_t young_length = isolate->code_aging_helper()->young_sequence_length(); 1238 uint32_t young_length = isolate->code_aging_helper()->young_sequence_length();
1239 if (age == kNoAgeCodeAge) { 1239 if (age == kNoAgeCodeAge) {
1240 isolate->code_aging_helper()->CopyYoungSequenceTo(sequence); 1240 isolate->code_aging_helper()->CopyYoungSequenceTo(sequence);
1241 CpuFeatures::FlushICache(sequence, young_length); 1241 Assembler::FlushICache(isolate, sequence, young_length);
1242 } else { 1242 } else {
1243 Code* stub = GetCodeAgeStub(isolate, age, parity); 1243 Code* stub = GetCodeAgeStub(isolate, age, parity);
1244 CodePatcher patcher(sequence, young_length / Assembler::kInstrSize); 1244 CodePatcher patcher(sequence, young_length / Assembler::kInstrSize);
1245 // Mark this code sequence for FindPlatformCodeAgeSequence(). 1245 // Mark this code sequence for FindPlatformCodeAgeSequence().
1246 patcher.masm()->nop(Assembler::CODE_AGE_MARKER_NOP); 1246 patcher.masm()->nop(Assembler::CODE_AGE_MARKER_NOP);
1247 // Load the stub address to t9 and call it, 1247 // Load the stub address to t9 and call it,
1248 // GetCodeAgeAndParity() extracts the stub address from this instruction. 1248 // GetCodeAgeAndParity() extracts the stub address from this instruction.
1249 patcher.masm()->li( 1249 patcher.masm()->li(
1250 t9, 1250 t9,
1251 Operand(reinterpret_cast<uint64_t>(stub->instruction_start())), 1251 Operand(reinterpret_cast<uint64_t>(stub->instruction_start())),
1252 ADDRESS_LOAD); 1252 ADDRESS_LOAD);
1253 patcher.masm()->nop(); // Prevent jalr to jal optimization. 1253 patcher.masm()->nop(); // Prevent jalr to jal optimization.
1254 patcher.masm()->jalr(t9, a0); 1254 patcher.masm()->jalr(t9, a0);
1255 patcher.masm()->nop(); // Branch delay slot nop. 1255 patcher.masm()->nop(); // Branch delay slot nop.
1256 patcher.masm()->nop(); // Pad the empty space. 1256 patcher.masm()->nop(); // Pad the empty space.
1257 } 1257 }
1258 } 1258 }
1259 1259
1260 1260
1261 #undef __ 1261 #undef __
1262 1262
1263 } // namespace internal 1263 } // namespace internal
1264 } // namespace v8 1264 } // namespace v8
1265 1265
1266 #endif // V8_TARGET_ARCH_MIPS64 1266 #endif // V8_TARGET_ARCH_MIPS64
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