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Issue 344513004: Fix a potential overflow in SortedListBSearch (Closed) Base URL: https://github.com/v8/v8.git@master
Patch Set: optimize Deoptimizer::GetOutputInfo Created 6 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 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #include "src/codegen.h" 7 #include "src/codegen.h"
8 #include "src/compiler.h" 8 #include "src/compiler.h"
9 #include "src/debug.h" 9 #include "src/debug.h"
10 #include "src/full-codegen.h" 10 #include "src/full-codegen.h"
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370 } 370 }
371 371
372 372
373 void FullCodeGenerator::PopulateDeoptimizationData(Handle<Code> code) { 373 void FullCodeGenerator::PopulateDeoptimizationData(Handle<Code> code) {
374 // Fill in the deoptimization information. 374 // Fill in the deoptimization information.
375 ASSERT(info_->HasDeoptimizationSupport() || bailout_entries_.is_empty()); 375 ASSERT(info_->HasDeoptimizationSupport() || bailout_entries_.is_empty());
376 if (!info_->HasDeoptimizationSupport()) return; 376 if (!info_->HasDeoptimizationSupport()) return;
377 int length = bailout_entries_.length(); 377 int length = bailout_entries_.length();
378 Handle<DeoptimizationOutputData> data = 378 Handle<DeoptimizationOutputData> data =
379 DeoptimizationOutputData::New(isolate(), length, TENURED); 379 DeoptimizationOutputData::New(isolate(), length, TENURED);
380 bailout_entries_.Sort(&BailoutEntry::CompareBailoutId);
380 for (int i = 0; i < length; i++) { 381 for (int i = 0; i < length; i++) {
381 data->SetAstId(i, bailout_entries_[i].id); 382 data->SetAstId(i, bailout_entries_[i].id);
382 data->SetPcAndState(i, Smi::FromInt(bailout_entries_[i].pc_and_state)); 383 data->SetPcAndState(i, Smi::FromInt(bailout_entries_[i].pc_and_state));
383 } 384 }
384 code->set_deoptimization_data(*data); 385 code->set_deoptimization_data(*data);
385 } 386 }
386 387
387 388
388 void FullCodeGenerator::PopulateTypeFeedbackInfo(Handle<Code> code) { 389 void FullCodeGenerator::PopulateTypeFeedbackInfo(Handle<Code> code) {
389 Handle<TypeFeedbackInfo> info = isolate()->factory()->NewTypeFeedbackInfo(); 390 Handle<TypeFeedbackInfo> info = isolate()->factory()->NewTypeFeedbackInfo();
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1698 } 1699 }
1699 return true; 1700 return true;
1700 } 1701 }
1701 #endif // DEBUG 1702 #endif // DEBUG
1702 1703
1703 1704
1704 #undef __ 1705 #undef __
1705 1706
1706 1707
1707 } } // namespace v8::internal 1708 } } // namespace v8::internal
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