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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_MIPS 5 #if V8_TARGET_ARCH_MIPS
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 } 755 }
756 // Signed comparison. 756 // Signed comparison.
757 __ Branch(&okay, gt, a2, Operand(t3)); 757 __ Branch(&okay, gt, a2, Operand(t3));
758 758
759 // Out of stack space. 759 // Out of stack space.
760 __ lw(a1, MemOperand(fp, calleeOffset)); 760 __ lw(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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904 { 904 {
905 // Load frame size from the BytecodeArray object. 905 // Load frame size from the BytecodeArray object.
906 __ lw(t0, FieldMemOperand(kInterpreterBytecodeArrayRegister, 906 __ lw(t0, FieldMemOperand(kInterpreterBytecodeArrayRegister,
907 BytecodeArray::kFrameSizeOffset)); 907 BytecodeArray::kFrameSizeOffset));
908 908
909 // Do a stack check to ensure we don't go over the limit. 909 // Do a stack check to ensure we don't go over the limit.
910 Label ok; 910 Label ok;
911 __ Subu(t1, sp, Operand(t0)); 911 __ Subu(t1, sp, Operand(t0));
912 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex); 912 __ LoadRoot(a2, Heap::kRealStackLimitRootIndex);
913 __ Branch(&ok, hs, t1, Operand(a2)); 913 __ Branch(&ok, hs, t1, Operand(a2));
914 __ InvokeBuiltin(Context::STACK_OVERFLOW_BUILTIN_INDEX, CALL_FUNCTION); 914 __ CallRuntime(Runtime::kThrowStackOverflow, 0);
915 __ bind(&ok); 915 __ bind(&ok);
916 916
917 // If ok, push undefined as the initial value for all register file entries. 917 // If ok, push undefined as the initial value for all register file entries.
918 Label loop_header; 918 Label loop_header;
919 Label loop_check; 919 Label loop_check;
920 __ LoadRoot(t1, Heap::kUndefinedValueRootIndex); 920 __ LoadRoot(t1, Heap::kUndefinedValueRootIndex);
921 __ Branch(&loop_check); 921 __ Branch(&loop_check);
922 __ bind(&loop_header); 922 __ bind(&loop_header);
923 // TODO(rmcilroy): Consider doing more than one push per loop iteration. 923 // TODO(rmcilroy): Consider doing more than one push per loop iteration.
924 __ push(t1); 924 __ push(t1);
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1804 // ------------------------------------------- 1804 // -------------------------------------------
1805 // Don't adapt arguments. 1805 // Don't adapt arguments.
1806 // ------------------------------------------- 1806 // -------------------------------------------
1807 __ bind(&dont_adapt_arguments); 1807 __ bind(&dont_adapt_arguments);
1808 __ Jump(a3); 1808 __ Jump(a3);
1809 1809
1810 __ bind(&stack_overflow); 1810 __ bind(&stack_overflow);
1811 { 1811 {
1812 FrameScope frame(masm, StackFrame::MANUAL); 1812 FrameScope frame(masm, StackFrame::MANUAL);
1813 EnterArgumentsAdaptorFrame(masm); 1813 EnterArgumentsAdaptorFrame(masm);
1814 __ InvokeBuiltin(Context::STACK_OVERFLOW_BUILTIN_INDEX, CALL_FUNCTION); 1814 __ CallRuntime(Runtime::kThrowStackOverflow, 0);
1815 __ break_(0xCC); 1815 __ break_(0xCC);
1816 } 1816 }
1817 } 1817 }
1818 1818
1819 1819
1820 #undef __ 1820 #undef __
1821 1821
1822 } // namespace internal 1822 } // namespace internal
1823 } // namespace v8 1823 } // namespace v8
1824 1824
1825 #endif // V8_TARGET_ARCH_MIPS 1825 #endif // V8_TARGET_ARCH_MIPS
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