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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 #if V8_TARGET_ARCH_MIPS | 7 #if V8_TARGET_ARCH_MIPS |
8 | 8 |
9 // Note on Mips implementation: | 9 // Note on Mips implementation: |
10 // | 10 // |
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154 // the frame (that is done below). | 154 // the frame (that is done below). |
155 FrameScope frame_scope(masm_, StackFrame::MANUAL); | 155 FrameScope frame_scope(masm_, StackFrame::MANUAL); |
156 | 156 |
157 info->set_prologue_offset(masm_->pc_offset()); | 157 info->set_prologue_offset(masm_->pc_offset()); |
158 __ Prologue(info->IsCodePreAgingActive()); | 158 __ Prologue(info->IsCodePreAgingActive()); |
159 info->AddNoFrameRange(0, masm_->pc_offset()); | 159 info->AddNoFrameRange(0, masm_->pc_offset()); |
160 | 160 |
161 { Comment cmnt(masm_, "[ Allocate locals"); | 161 { Comment cmnt(masm_, "[ Allocate locals"); |
162 int locals_count = info->scope()->num_stack_slots(); | 162 int locals_count = info->scope()->num_stack_slots(); |
163 // Generators allocate locals, if any, in context slots. | 163 // Generators allocate locals, if any, in context slots. |
164 DCHECK(!info->function()->is_generator() || locals_count == 0); | 164 DCHECK(!IsGeneratorFunction(info->function()->kind()) || locals_count == 0); |
165 if (locals_count > 0) { | 165 if (locals_count > 0) { |
166 if (locals_count >= 128) { | 166 if (locals_count >= 128) { |
167 Label ok; | 167 Label ok; |
168 __ Subu(t5, sp, Operand(locals_count * kPointerSize)); | 168 __ Subu(t5, sp, Operand(locals_count * kPointerSize)); |
169 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex); | 169 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex); |
170 __ Branch(&ok, hs, t5, Operand(a2)); | 170 __ Branch(&ok, hs, t5, Operand(a2)); |
171 __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION); | 171 __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION); |
172 __ bind(&ok); | 172 __ bind(&ok); |
173 } | 173 } |
174 __ LoadRoot(t5, Heap::kUndefinedValueRootIndex); | 174 __ LoadRoot(t5, Heap::kUndefinedValueRootIndex); |
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5372 Assembler::target_address_at(pc_immediate_load_address)) == | 5372 Assembler::target_address_at(pc_immediate_load_address)) == |
5373 reinterpret_cast<uint32_t>( | 5373 reinterpret_cast<uint32_t>( |
5374 isolate->builtins()->OsrAfterStackCheck()->entry())); | 5374 isolate->builtins()->OsrAfterStackCheck()->entry())); |
5375 return OSR_AFTER_STACK_CHECK; | 5375 return OSR_AFTER_STACK_CHECK; |
5376 } | 5376 } |
5377 | 5377 |
5378 | 5378 |
5379 } } // namespace v8::internal | 5379 } } // namespace v8::internal |
5380 | 5380 |
5381 #endif // V8_TARGET_ARCH_MIPS | 5381 #endif // V8_TARGET_ARCH_MIPS |
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