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Issue 1337883002: [builtins] Remove the weird STACK_OVERFLOW builtin. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 3 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 #if V8_TARGET_ARCH_MIPS64 5 #if V8_TARGET_ARCH_MIPS64
6 6
7 #include "src/codegen.h" 7 #include "src/codegen.h"
8 #include "src/debug/debug.h" 8 #include "src/debug/debug.h"
9 #include "src/deoptimizer.h" 9 #include "src/deoptimizer.h"
10 #include "src/full-codegen/full-codegen.h" 10 #include "src/full-codegen/full-codegen.h"
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755 __ dsll(a7, argc, kPointerSizeLog2); 755 __ dsll(a7, argc, kPointerSizeLog2);
756 } 756 }
757 __ Branch(&okay, gt, a2, Operand(a7)); // Signed comparison. 757 __ Branch(&okay, gt, a2, Operand(a7)); // Signed comparison.
758 758
759 // Out of stack space. 759 // Out of stack space.
760 __ ld(a1, MemOperand(fp, calleeOffset)); 760 __ ld(a1, MemOperand(fp, calleeOffset));
761 if (argc_is_tagged == kArgcIsUntaggedInt) { 761 if (argc_is_tagged == kArgcIsUntaggedInt) {
762 __ SmiTag(argc); 762 __ SmiTag(argc);
763 } 763 }
764 __ Push(a1, argc); 764 __ Push(a1, argc);
765 __ InvokeBuiltin(Context::STACK_OVERFLOW_BUILTIN_INDEX, CALL_FUNCTION); 765 __ CallRuntime(Runtime::kThrowStackOverflow, 0);
766 766
767 __ bind(&okay); 767 __ bind(&okay);
768 } 768 }
769 769
770 770
771 static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm, 771 static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,
772 bool is_construct) { 772 bool is_construct) {
773 // Called from JSEntryStub::GenerateBody 773 // Called from JSEntryStub::GenerateBody
774 774
775 // ----------- S t a t e ------------- 775 // ----------- S t a t e -------------
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902 { 902 {
903 // Load frame size (word) from the BytecodeArray object. 903 // Load frame size (word) from the BytecodeArray object.
904 __ lw(a4, FieldMemOperand(kInterpreterBytecodeArrayRegister, 904 __ lw(a4, FieldMemOperand(kInterpreterBytecodeArrayRegister,
905 BytecodeArray::kFrameSizeOffset)); 905 BytecodeArray::kFrameSizeOffset));
906 906
907 // Do a stack check to ensure we don't go over the limit. 907 // Do a stack check to ensure we don't go over the limit.
908 Label ok; 908 Label ok;
909 __ Dsubu(a5, sp, Operand(a4)); 909 __ Dsubu(a5, sp, Operand(a4));
910 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex); 910 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex);
911 __ Branch(&ok, hs, a5, Operand(a2)); 911 __ Branch(&ok, hs, a5, Operand(a2));
912 __ InvokeBuiltin(Context::STACK_OVERFLOW_BUILTIN_INDEX, CALL_FUNCTION); 912 __ CallRuntime(Runtime::kThrowStackOverflow, 0);
913 __ bind(&ok); 913 __ bind(&ok);
914 914
915 // If ok, push undefined as the initial value for all register file entries. 915 // If ok, push undefined as the initial value for all register file entries.
916 Label loop_header; 916 Label loop_header;
917 Label loop_check; 917 Label loop_check;
918 __ LoadRoot(a5, Heap::kUndefinedValueRootIndex); 918 __ LoadRoot(a5, Heap::kUndefinedValueRootIndex);
919 __ Branch(&loop_check); 919 __ Branch(&loop_check);
920 __ bind(&loop_header); 920 __ bind(&loop_header);
921 // TODO(rmcilroy): Consider doing more than one push per loop iteration. 921 // TODO(rmcilroy): Consider doing more than one push per loop iteration.
922 __ push(a5); 922 __ push(a5);
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1801 // ------------------------------------------- 1801 // -------------------------------------------
1802 // Don't adapt arguments. 1802 // Don't adapt arguments.
1803 // ------------------------------------------- 1803 // -------------------------------------------
1804 __ bind(&dont_adapt_arguments); 1804 __ bind(&dont_adapt_arguments);
1805 __ Jump(a3); 1805 __ Jump(a3);
1806 1806
1807 __ bind(&stack_overflow); 1807 __ bind(&stack_overflow);
1808 { 1808 {
1809 FrameScope frame(masm, StackFrame::MANUAL); 1809 FrameScope frame(masm, StackFrame::MANUAL);
1810 EnterArgumentsAdaptorFrame(masm); 1810 EnterArgumentsAdaptorFrame(masm);
1811 __ InvokeBuiltin(Context::STACK_OVERFLOW_BUILTIN_INDEX, CALL_FUNCTION); 1811 __ CallRuntime(Runtime::kThrowStackOverflow, 0);
1812 __ break_(0xCC); 1812 __ break_(0xCC);
1813 } 1813 }
1814 } 1814 }
1815 1815
1816 1816
1817 #undef __ 1817 #undef __
1818 1818
1819 } // namespace internal 1819 } // namespace internal
1820 } // namespace v8 1820 } // namespace v8
1821 1821
1822 #endif // V8_TARGET_ARCH_MIPS64 1822 #endif // V8_TARGET_ARCH_MIPS64
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