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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 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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108 // since we come across interrupts and stack checks elsewhere. However, | 108 // since we come across interrupts and stack checks elsewhere. However, |
109 // not checking may delay installing ready functions, and always checking | 109 // not checking may delay installing ready functions, and always checking |
110 // would be quite expensive. A good compromise is to first check against | 110 // would be quite expensive. A good compromise is to first check against |
111 // stack limit as a cue for an interrupt signal. | 111 // stack limit as a cue for an interrupt signal. |
112 Label ok; | 112 Label ok; |
113 ExternalReference stack_limit = | 113 ExternalReference stack_limit = |
114 ExternalReference::address_of_stack_limit(masm->isolate()); | 114 ExternalReference::address_of_stack_limit(masm->isolate()); |
115 __ cmp(esp, Operand::StaticVariable(stack_limit)); | 115 __ cmp(esp, Operand::StaticVariable(stack_limit)); |
116 __ j(above_equal, &ok, Label::kNear); | 116 __ j(above_equal, &ok, Label::kNear); |
117 | 117 |
118 CallRuntimePassFunction(masm, Runtime::kTryInstallOptimizedCode); | 118 CallRuntimePassFunction(masm, Runtime::kHiddenTryInstallOptimizedCode); |
119 GenerateTailCallToReturnedCode(masm); | 119 GenerateTailCallToReturnedCode(masm); |
120 | 120 |
121 __ bind(&ok); | 121 __ bind(&ok); |
122 GenerateTailCallToSharedCode(masm); | 122 GenerateTailCallToSharedCode(masm); |
123 } | 123 } |
124 | 124 |
125 | 125 |
126 static void Generate_JSConstructStubHelper(MacroAssembler* masm, | 126 static void Generate_JSConstructStubHelper(MacroAssembler* masm, |
127 bool is_api_function, | 127 bool is_api_function, |
128 bool count_constructions, | 128 bool count_constructions, |
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195 __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); | 195 __ mov(ecx, FieldOperand(edi, JSFunction::kSharedFunctionInfoOffset)); |
196 __ dec_b(FieldOperand(ecx, | 196 __ dec_b(FieldOperand(ecx, |
197 SharedFunctionInfo::kConstructionCountOffset)); | 197 SharedFunctionInfo::kConstructionCountOffset)); |
198 __ j(not_zero, &allocate); | 198 __ j(not_zero, &allocate); |
199 | 199 |
200 __ push(eax); | 200 __ push(eax); |
201 __ push(edi); | 201 __ push(edi); |
202 | 202 |
203 __ push(edi); // constructor | 203 __ push(edi); // constructor |
204 // The call will replace the stub, so the countdown is only done once. | 204 // The call will replace the stub, so the countdown is only done once. |
205 __ CallRuntime(Runtime::kFinalizeInstanceSize, 1); | 205 __ CallRuntime(Runtime::kHiddenFinalizeInstanceSize, 1); |
206 | 206 |
207 __ pop(edi); | 207 __ pop(edi); |
208 __ pop(eax); | 208 __ pop(eax); |
209 | 209 |
210 __ bind(&allocate); | 210 __ bind(&allocate); |
211 } | 211 } |
212 | 212 |
213 // Now allocate the JSObject on the heap. | 213 // Now allocate the JSObject on the heap. |
214 // edi: constructor | 214 // edi: constructor |
215 // eax: initial map | 215 // eax: initial map |
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363 __ mov(edi, Operand(esp, kPointerSize * 2)); | 363 __ mov(edi, Operand(esp, kPointerSize * 2)); |
364 __ push(edi); | 364 __ push(edi); |
365 offset = kPointerSize; | 365 offset = kPointerSize; |
366 } | 366 } |
367 | 367 |
368 // Must restore edi (constructor) before calling runtime. | 368 // Must restore edi (constructor) before calling runtime. |
369 __ mov(edi, Operand(esp, offset)); | 369 __ mov(edi, Operand(esp, offset)); |
370 // edi: function (constructor) | 370 // edi: function (constructor) |
371 __ push(edi); | 371 __ push(edi); |
372 if (create_memento) { | 372 if (create_memento) { |
373 __ CallRuntime(Runtime::kNewObjectWithAllocationSite, 2); | 373 __ CallRuntime(Runtime::kHiddenNewObjectWithAllocationSite, 2); |
374 } else { | 374 } else { |
375 __ CallRuntime(Runtime::kNewObject, 1); | 375 __ CallRuntime(Runtime::kHiddenNewObject, 1); |
376 } | 376 } |
377 __ mov(ebx, eax); // store result in ebx | 377 __ mov(ebx, eax); // store result in ebx |
378 | 378 |
379 // If we ended up using the runtime, and we want a memento, then the | 379 // If we ended up using the runtime, and we want a memento, then the |
380 // runtime call made it for us, and we shouldn't do create count | 380 // runtime call made it for us, and we shouldn't do create count |
381 // increment. | 381 // increment. |
382 Label count_incremented; | 382 Label count_incremented; |
383 if (create_memento) { | 383 if (create_memento) { |
384 __ jmp(&count_incremented); | 384 __ jmp(&count_incremented); |
385 } | 385 } |
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560 Generate_JSEntryTrampolineHelper(masm, false); | 560 Generate_JSEntryTrampolineHelper(masm, false); |
561 } | 561 } |
562 | 562 |
563 | 563 |
564 void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) { | 564 void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) { |
565 Generate_JSEntryTrampolineHelper(masm, true); | 565 Generate_JSEntryTrampolineHelper(masm, true); |
566 } | 566 } |
567 | 567 |
568 | 568 |
569 void Builtins::Generate_CompileUnoptimized(MacroAssembler* masm) { | 569 void Builtins::Generate_CompileUnoptimized(MacroAssembler* masm) { |
570 CallRuntimePassFunction(masm, Runtime::kCompileUnoptimized); | 570 CallRuntimePassFunction(masm, Runtime::kHiddenCompileUnoptimized); |
571 GenerateTailCallToReturnedCode(masm); | 571 GenerateTailCallToReturnedCode(masm); |
572 } | 572 } |
573 | 573 |
574 | 574 |
575 | 575 |
576 static void CallCompileOptimized(MacroAssembler* masm, bool concurrent) { | 576 static void CallCompileOptimized(MacroAssembler* masm, bool concurrent) { |
577 FrameScope scope(masm, StackFrame::INTERNAL); | 577 FrameScope scope(masm, StackFrame::INTERNAL); |
578 // Push a copy of the function. | 578 // Push a copy of the function. |
579 __ push(edi); | 579 __ push(edi); |
580 // Function is also the parameter to the runtime call. | 580 // Function is also the parameter to the runtime call. |
581 __ push(edi); | 581 __ push(edi); |
582 // Whether to compile in a background thread. | 582 // Whether to compile in a background thread. |
583 __ Push(masm->isolate()->factory()->ToBoolean(concurrent)); | 583 __ Push(masm->isolate()->factory()->ToBoolean(concurrent)); |
584 | 584 |
585 __ CallRuntime(Runtime::kCompileOptimized, 2); | 585 __ CallRuntime(Runtime::kHiddenCompileOptimized, 2); |
586 // Restore receiver. | 586 // Restore receiver. |
587 __ pop(edi); | 587 __ pop(edi); |
588 } | 588 } |
589 | 589 |
590 | 590 |
591 void Builtins::Generate_CompileOptimized(MacroAssembler* masm) { | 591 void Builtins::Generate_CompileOptimized(MacroAssembler* masm) { |
592 CallCompileOptimized(masm, false); | 592 CallCompileOptimized(masm, false); |
593 GenerateTailCallToReturnedCode(masm); | 593 GenerateTailCallToReturnedCode(masm); |
594 } | 594 } |
595 | 595 |
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679 static void Generate_NotifyStubFailureHelper(MacroAssembler* masm, | 679 static void Generate_NotifyStubFailureHelper(MacroAssembler* masm, |
680 SaveFPRegsMode save_doubles) { | 680 SaveFPRegsMode save_doubles) { |
681 // Enter an internal frame. | 681 // Enter an internal frame. |
682 { | 682 { |
683 FrameScope scope(masm, StackFrame::INTERNAL); | 683 FrameScope scope(masm, StackFrame::INTERNAL); |
684 | 684 |
685 // Preserve registers across notification, this is important for compiled | 685 // Preserve registers across notification, this is important for compiled |
686 // stubs that tail call the runtime on deopts passing their parameters in | 686 // stubs that tail call the runtime on deopts passing their parameters in |
687 // registers. | 687 // registers. |
688 __ pushad(); | 688 __ pushad(); |
689 __ CallRuntime(Runtime::kNotifyStubFailure, 0, save_doubles); | 689 __ CallRuntime(Runtime::kHiddenNotifyStubFailure, 0, save_doubles); |
690 __ popad(); | 690 __ popad(); |
691 // Tear down internal frame. | 691 // Tear down internal frame. |
692 } | 692 } |
693 | 693 |
694 __ pop(MemOperand(esp, 0)); // Ignore state offset | 694 __ pop(MemOperand(esp, 0)); // Ignore state offset |
695 __ ret(0); // Return to IC Miss stub, continuation still on stack. | 695 __ ret(0); // Return to IC Miss stub, continuation still on stack. |
696 } | 696 } |
697 | 697 |
698 | 698 |
699 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) { | 699 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) { |
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711 } | 711 } |
712 | 712 |
713 | 713 |
714 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm, | 714 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm, |
715 Deoptimizer::BailoutType type) { | 715 Deoptimizer::BailoutType type) { |
716 { | 716 { |
717 FrameScope scope(masm, StackFrame::INTERNAL); | 717 FrameScope scope(masm, StackFrame::INTERNAL); |
718 | 718 |
719 // Pass deoptimization type to the runtime system. | 719 // Pass deoptimization type to the runtime system. |
720 __ push(Immediate(Smi::FromInt(static_cast<int>(type)))); | 720 __ push(Immediate(Smi::FromInt(static_cast<int>(type)))); |
721 __ CallRuntime(Runtime::kNotifyDeoptimized, 1); | 721 __ CallRuntime(Runtime::kHiddenNotifyDeoptimized, 1); |
722 | 722 |
723 // Tear down internal frame. | 723 // Tear down internal frame. |
724 } | 724 } |
725 | 725 |
726 // Get the full codegen state from the stack and untag it. | 726 // Get the full codegen state from the stack and untag it. |
727 __ mov(ecx, Operand(esp, 1 * kPointerSize)); | 727 __ mov(ecx, Operand(esp, 1 * kPointerSize)); |
728 __ SmiUntag(ecx); | 728 __ SmiUntag(ecx); |
729 | 729 |
730 // Switch on the state. | 730 // Switch on the state. |
731 Label not_no_registers, not_tos_eax; | 731 Label not_no_registers, not_tos_eax; |
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1412 | 1412 |
1413 void Builtins::Generate_OsrAfterStackCheck(MacroAssembler* masm) { | 1413 void Builtins::Generate_OsrAfterStackCheck(MacroAssembler* masm) { |
1414 // We check the stack limit as indicator that recompilation might be done. | 1414 // We check the stack limit as indicator that recompilation might be done. |
1415 Label ok; | 1415 Label ok; |
1416 ExternalReference stack_limit = | 1416 ExternalReference stack_limit = |
1417 ExternalReference::address_of_stack_limit(masm->isolate()); | 1417 ExternalReference::address_of_stack_limit(masm->isolate()); |
1418 __ cmp(esp, Operand::StaticVariable(stack_limit)); | 1418 __ cmp(esp, Operand::StaticVariable(stack_limit)); |
1419 __ j(above_equal, &ok, Label::kNear); | 1419 __ j(above_equal, &ok, Label::kNear); |
1420 { | 1420 { |
1421 FrameScope scope(masm, StackFrame::INTERNAL); | 1421 FrameScope scope(masm, StackFrame::INTERNAL); |
1422 __ CallRuntime(Runtime::kStackGuard, 0); | 1422 __ CallRuntime(Runtime::kHiddenStackGuard, 0); |
1423 } | 1423 } |
1424 __ jmp(masm->isolate()->builtins()->OnStackReplacement(), | 1424 __ jmp(masm->isolate()->builtins()->OnStackReplacement(), |
1425 RelocInfo::CODE_TARGET); | 1425 RelocInfo::CODE_TARGET); |
1426 | 1426 |
1427 __ bind(&ok); | 1427 __ bind(&ok); |
1428 __ ret(0); | 1428 __ ret(0); |
1429 } | 1429 } |
1430 | 1430 |
1431 #undef __ | 1431 #undef __ |
1432 } | 1432 } |
1433 } // namespace v8::internal | 1433 } // namespace v8::internal |
1434 | 1434 |
1435 #endif // V8_TARGET_ARCH_IA32 | 1435 #endif // V8_TARGET_ARCH_IA32 |
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