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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_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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5267 __ sw(value, MemOperand(fp, frame_offset)); 5267 __ sw(value, MemOperand(fp, frame_offset));
5268 } 5268 }
5269 5269
5270 5270
5271 void FullCodeGenerator::LoadContextField(Register dst, int context_index) { 5271 void FullCodeGenerator::LoadContextField(Register dst, int context_index) {
5272 __ lw(dst, ContextOperand(cp, context_index)); 5272 __ lw(dst, ContextOperand(cp, context_index));
5273 } 5273 }
5274 5274
5275 5275
5276 void FullCodeGenerator::PushFunctionArgumentForContextAllocation() { 5276 void FullCodeGenerator::PushFunctionArgumentForContextAllocation() {
5277 Scope* declaration_scope = scope()->DeclarationScope(); 5277 Scope* closure_scope = scope()->ClosureScope();
5278 if (declaration_scope->is_script_scope() || 5278 if (closure_scope->is_script_scope() ||
5279 declaration_scope->is_module_scope()) { 5279 closure_scope->is_module_scope()) {
5280 // Contexts nested in the native context have a canonical empty function 5280 // Contexts nested in the native context have a canonical empty function
5281 // as their closure, not the anonymous closure containing the global 5281 // as their closure, not the anonymous closure containing the global
5282 // code. Pass a smi sentinel and let the runtime look up the empty 5282 // code. Pass a smi sentinel and let the runtime look up the empty
5283 // function. 5283 // function.
5284 __ li(at, Operand(Smi::FromInt(0))); 5284 __ li(at, Operand(Smi::FromInt(0)));
5285 } else if (declaration_scope->is_eval_scope()) { 5285 } else if (closure_scope->is_eval_scope()) {
5286 // Contexts created by a call to eval have the same closure as the 5286 // Contexts created by a call to eval have the same closure as the
5287 // context calling eval, not the anonymous closure containing the eval 5287 // context calling eval, not the anonymous closure containing the eval
5288 // code. Fetch it from the context. 5288 // code. Fetch it from the context.
5289 __ lw(at, ContextOperand(cp, Context::CLOSURE_INDEX)); 5289 __ lw(at, ContextOperand(cp, Context::CLOSURE_INDEX));
5290 } else { 5290 } else {
5291 DCHECK(declaration_scope->is_function_scope()); 5291 DCHECK(closure_scope->is_function_scope());
5292 __ lw(at, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 5292 __ lw(at, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
5293 } 5293 }
5294 __ push(at); 5294 __ push(at);
5295 } 5295 }
5296 5296
5297 5297
5298 // ---------------------------------------------------------------------------- 5298 // ----------------------------------------------------------------------------
5299 // Non-local control flow support. 5299 // Non-local control flow support.
5300 5300
5301 void FullCodeGenerator::EnterFinallyBlock() { 5301 void FullCodeGenerator::EnterFinallyBlock() {
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5436 reinterpret_cast<uint32_t>( 5436 reinterpret_cast<uint32_t>(
5437 isolate->builtins()->OsrAfterStackCheck()->entry())); 5437 isolate->builtins()->OsrAfterStackCheck()->entry()));
5438 return OSR_AFTER_STACK_CHECK; 5438 return OSR_AFTER_STACK_CHECK;
5439 } 5439 }
5440 5440
5441 5441
5442 } // namespace internal 5442 } // namespace internal
5443 } // namespace v8 5443 } // namespace v8
5444 5444
5445 #endif // V8_TARGET_ARCH_MIPS 5445 #endif // V8_TARGET_ARCH_MIPS
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