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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/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM64 | 7 #if V8_TARGET_ARCH_ARM64 |
8 | 8 |
9 #include "src/code-factory.h" | 9 #include "src/code-factory.h" |
10 #include "src/code-stubs.h" | 10 #include "src/code-stubs.h" |
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148 // Push(lr, fp, cp, x1); | 148 // Push(lr, fp, cp, x1); |
149 // Add(fp, jssp, 2 * kPointerSize); | 149 // Add(fp, jssp, 2 * kPointerSize); |
150 info->set_prologue_offset(masm_->pc_offset()); | 150 info->set_prologue_offset(masm_->pc_offset()); |
151 __ Prologue(info->IsCodePreAgingActive()); | 151 __ Prologue(info->IsCodePreAgingActive()); |
152 info->AddNoFrameRange(0, masm_->pc_offset()); | 152 info->AddNoFrameRange(0, masm_->pc_offset()); |
153 | 153 |
154 // Reserve space on the stack for locals. | 154 // Reserve space on the stack for locals. |
155 { Comment cmnt(masm_, "[ Allocate locals"); | 155 { Comment cmnt(masm_, "[ Allocate locals"); |
156 int locals_count = info->scope()->num_stack_slots(); | 156 int locals_count = info->scope()->num_stack_slots(); |
157 // Generators allocate locals, if any, in context slots. | 157 // Generators allocate locals, if any, in context slots. |
158 DCHECK(!info->function()->is_generator() || locals_count == 0); | 158 DCHECK(!IsGeneratorFunction(info->function()->kind()) || locals_count == 0); |
159 | 159 |
160 if (locals_count > 0) { | 160 if (locals_count > 0) { |
161 if (locals_count >= 128) { | 161 if (locals_count >= 128) { |
162 Label ok; | 162 Label ok; |
163 DCHECK(jssp.Is(__ StackPointer())); | 163 DCHECK(jssp.Is(__ StackPointer())); |
164 __ Sub(x10, jssp, locals_count * kPointerSize); | 164 __ Sub(x10, jssp, locals_count * kPointerSize); |
165 __ CompareRoot(x10, Heap::kRealStackLimitRootIndex); | 165 __ CompareRoot(x10, Heap::kRealStackLimitRootIndex); |
166 __ B(hs, &ok); | 166 __ B(hs, &ok); |
167 __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION); | 167 __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION); |
168 __ Bind(&ok); | 168 __ Bind(&ok); |
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5405 return previous_; | 5405 return previous_; |
5406 } | 5406 } |
5407 | 5407 |
5408 | 5408 |
5409 #undef __ | 5409 #undef __ |
5410 | 5410 |
5411 | 5411 |
5412 } } // namespace v8::internal | 5412 } } // namespace v8::internal |
5413 | 5413 |
5414 #endif // V8_TARGET_ARCH_ARM64 | 5414 #endif // V8_TARGET_ARCH_ARM64 |
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