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Issue 1250423002: Find right scope associated with prologue (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 4 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 #if V8_TARGET_ARCH_ARM 7 #if V8_TARGET_ARCH_ARM
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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5249 __ str(value, MemOperand(fp, frame_offset)); 5249 __ str(value, MemOperand(fp, frame_offset));
5250 } 5250 }
5251 5251
5252 5252
5253 void FullCodeGenerator::LoadContextField(Register dst, int context_index) { 5253 void FullCodeGenerator::LoadContextField(Register dst, int context_index) {
5254 __ ldr(dst, ContextOperand(cp, context_index)); 5254 __ ldr(dst, ContextOperand(cp, context_index));
5255 } 5255 }
5256 5256
5257 5257
5258 void FullCodeGenerator::PushFunctionArgumentForContextAllocation() { 5258 void FullCodeGenerator::PushFunctionArgumentForContextAllocation() {
5259 Scope* declaration_scope = scope()->DeclarationScope(); 5259 Scope* closure_scope = scope()->ClosureScope();
5260 if (declaration_scope->is_script_scope() || 5260 if (closure_scope->is_script_scope() ||
5261 declaration_scope->is_module_scope()) { 5261 closure_scope->is_module_scope()) {
5262 // Contexts nested in the native context have a canonical empty function 5262 // Contexts nested in the native context have a canonical empty function
5263 // as their closure, not the anonymous closure containing the global 5263 // as their closure, not the anonymous closure containing the global
5264 // code. Pass a smi sentinel and let the runtime look up the empty 5264 // code. Pass a smi sentinel and let the runtime look up the empty
5265 // function. 5265 // function.
5266 __ mov(ip, Operand(Smi::FromInt(0))); 5266 __ mov(ip, Operand(Smi::FromInt(0)));
5267 } else if (declaration_scope->is_eval_scope()) { 5267 } else if (closure_scope->is_eval_scope()) {
5268 // Contexts created by a call to eval have the same closure as the 5268 // Contexts created by a call to eval have the same closure as the
5269 // context calling eval, not the anonymous closure containing the eval 5269 // context calling eval, not the anonymous closure containing the eval
5270 // code. Fetch it from the context. 5270 // code. Fetch it from the context.
5271 __ ldr(ip, ContextOperand(cp, Context::CLOSURE_INDEX)); 5271 __ ldr(ip, ContextOperand(cp, Context::CLOSURE_INDEX));
5272 } else { 5272 } else {
5273 DCHECK(declaration_scope->is_function_scope()); 5273 DCHECK(closure_scope->is_function_scope());
5274 __ ldr(ip, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 5274 __ ldr(ip, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
5275 } 5275 }
5276 __ push(ip); 5276 __ push(ip);
5277 } 5277 }
5278 5278
5279 5279
5280 // ---------------------------------------------------------------------------- 5280 // ----------------------------------------------------------------------------
5281 // Non-local control flow support. 5281 // Non-local control flow support.
5282 5282
5283 void FullCodeGenerator::EnterFinallyBlock() { 5283 void FullCodeGenerator::EnterFinallyBlock() {
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5477 DCHECK(interrupt_address == 5477 DCHECK(interrupt_address ==
5478 isolate->builtins()->OsrAfterStackCheck()->entry()); 5478 isolate->builtins()->OsrAfterStackCheck()->entry());
5479 return OSR_AFTER_STACK_CHECK; 5479 return OSR_AFTER_STACK_CHECK;
5480 } 5480 }
5481 5481
5482 5482
5483 } // namespace internal 5483 } // namespace internal
5484 } // namespace v8 5484 } // namespace v8
5485 5485
5486 #endif // V8_TARGET_ARCH_ARM 5486 #endif // V8_TARGET_ARCH_ARM
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