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Issue 1010883002: Switch full-codegen from StackHandlers to handler table. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@local_cleanup-isolate-dead-code
Patch Set: Fix debugger-pause-on-promise-rejection. Created 5 years, 9 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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/compiler/code-generator.h" 5 #include "src/compiler/code-generator.h"
6 6
7 #include "src/compiler/code-generator-impl.h" 7 #include "src/compiler/code-generator-impl.h"
8 #include "src/compiler/linkage.h" 8 #include "src/compiler/linkage.h"
9 #include "src/compiler/pipeline.h" 9 #include "src/compiler/pipeline.h"
10 10
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127 safepoints()->Emit(masm(), frame()->GetSpillSlotCount()); 127 safepoints()->Emit(masm(), frame()->GetSpillSlotCount());
128 128
129 Handle<Code> result = v8::internal::CodeGenerator::MakeCodeEpilogue( 129 Handle<Code> result = v8::internal::CodeGenerator::MakeCodeEpilogue(
130 masm(), info->flags(), info); 130 masm(), info->flags(), info);
131 result->set_is_turbofanned(true); 131 result->set_is_turbofanned(true);
132 result->set_stack_slots(frame()->GetSpillSlotCount()); 132 result->set_stack_slots(frame()->GetSpillSlotCount());
133 result->set_safepoint_table_offset(safepoints()->GetCodeOffset()); 133 result->set_safepoint_table_offset(safepoints()->GetCodeOffset());
134 134
135 // Emit exception handler table. 135 // Emit exception handler table.
136 if (!handlers_.empty()) { 136 if (!handlers_.empty()) {
137 Handle<FixedArray> table = isolate()->factory()->NewFixedArray( 137 Handle<HandlerTable> table =
138 static_cast<int>(handlers_.size()) * 2, TENURED); 138 Handle<HandlerTable>::cast(isolate()->factory()->NewFixedArray(
139 HandlerTable::LengthForReturn(static_cast<int>(handlers_.size())),
140 TENURED));
139 for (size_t i = 0; i < handlers_.size(); ++i) { 141 for (size_t i = 0; i < handlers_.size(); ++i) {
140 int table_index = static_cast<int>(i * 2); 142 table->SetReturnOffset(static_cast<int>(i), handlers_[i].pc_offset);
141 table->set(table_index + 0, Smi::FromInt(handlers_[i].pc_offset)); 143 table->SetReturnHandler(static_cast<int>(i), handlers_[i].handler->pos());
142 table->set(table_index + 1, Smi::FromInt(handlers_[i].handler->pos()));
143 } 144 }
144 result->set_handler_table(*table); 145 result->set_handler_table(*table);
145 } 146 }
146 147
147 PopulateDeoptimizationData(result); 148 PopulateDeoptimizationData(result);
148 149
149 // Ensure there is space for lazy deoptimization in the relocation info. 150 // Ensure there is space for lazy deoptimization in the relocation info.
150 if (!info->IsStub()) { 151 if (!info->IsStub()) {
151 Deoptimizer::EnsureRelocSpaceForLazyDeoptimization(result); 152 Deoptimizer::EnsureRelocSpaceForLazyDeoptimization(result);
152 } 153 }
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639 : masm_(gen->masm()), next_(gen->ools_) { 640 : masm_(gen->masm()), next_(gen->ools_) {
640 gen->ools_ = this; 641 gen->ools_ = this;
641 } 642 }
642 643
643 644
644 OutOfLineCode::~OutOfLineCode() {} 645 OutOfLineCode::~OutOfLineCode() {}
645 646
646 } // namespace compiler 647 } // namespace compiler
647 } // namespace internal 648 } // namespace internal
648 } // namespace v8 649 } // namespace v8
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