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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_X87 7 #if V8_TARGET_ARCH_X87
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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5173 __ mov(Operand(ebp, frame_offset), value); 5173 __ mov(Operand(ebp, frame_offset), value);
5174 } 5174 }
5175 5175
5176 5176
5177 void FullCodeGenerator::LoadContextField(Register dst, int context_index) { 5177 void FullCodeGenerator::LoadContextField(Register dst, int context_index) {
5178 __ mov(dst, ContextOperand(esi, context_index)); 5178 __ mov(dst, ContextOperand(esi, context_index));
5179 } 5179 }
5180 5180
5181 5181
5182 void FullCodeGenerator::PushFunctionArgumentForContextAllocation() { 5182 void FullCodeGenerator::PushFunctionArgumentForContextAllocation() {
5183 Scope* declaration_scope = scope()->DeclarationScope(); 5183 Scope* closure_scope = scope()->ClosureScope();
5184 if (declaration_scope->is_script_scope() || 5184 if (closure_scope->is_script_scope() ||
5185 declaration_scope->is_module_scope()) { 5185 closure_scope->is_module_scope()) {
5186 // Contexts nested in the native context have a canonical empty function 5186 // Contexts nested in the native context have a canonical empty function
5187 // as their closure, not the anonymous closure containing the global 5187 // as their closure, not the anonymous closure containing the global
5188 // code. Pass a smi sentinel and let the runtime look up the empty 5188 // code. Pass a smi sentinel and let the runtime look up the empty
5189 // function. 5189 // function.
5190 __ push(Immediate(Smi::FromInt(0))); 5190 __ push(Immediate(Smi::FromInt(0)));
5191 } else if (declaration_scope->is_eval_scope()) { 5191 } else if (closure_scope->is_eval_scope()) {
5192 // Contexts nested inside eval code have the same closure as the context 5192 // Contexts nested inside eval code have the same closure as the context
5193 // calling eval, not the anonymous closure containing the eval code. 5193 // calling eval, not the anonymous closure containing the eval code.
5194 // Fetch it from the context. 5194 // Fetch it from the context.
5195 __ push(ContextOperand(esi, Context::CLOSURE_INDEX)); 5195 __ push(ContextOperand(esi, Context::CLOSURE_INDEX));
5196 } else { 5196 } else {
5197 DCHECK(declaration_scope->is_function_scope()); 5197 DCHECK(closure_scope->is_function_scope());
5198 __ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset)); 5198 __ push(Operand(ebp, JavaScriptFrameConstants::kFunctionOffset));
5199 } 5199 }
5200 } 5200 }
5201 5201
5202 5202
5203 // ---------------------------------------------------------------------------- 5203 // ----------------------------------------------------------------------------
5204 // Non-local control flow support. 5204 // Non-local control flow support.
5205 5205
5206 void FullCodeGenerator::EnterFinallyBlock() { 5206 void FullCodeGenerator::EnterFinallyBlock() {
5207 // Cook return address on top of stack (smi encoded Code* delta) 5207 // Cook return address on top of stack (smi encoded Code* delta)
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5338 Assembler::target_address_at(call_target_address, 5338 Assembler::target_address_at(call_target_address,
5339 unoptimized_code)); 5339 unoptimized_code));
5340 return OSR_AFTER_STACK_CHECK; 5340 return OSR_AFTER_STACK_CHECK;
5341 } 5341 }
5342 5342
5343 5343
5344 } // namespace internal 5344 } // namespace internal
5345 } // namespace v8 5345 } // namespace v8
5346 5346
5347 #endif // V8_TARGET_ARCH_X87 5347 #endif // V8_TARGET_ARCH_X87
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