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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
6 | 6 |
7 #include "src/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/base/division-by-constant.h" | 8 #include "src/base/division-by-constant.h" |
9 #include "src/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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1606 UseScratchRegisterScope temps(this); | 1606 UseScratchRegisterScope temps(this); |
1607 Register temp = temps.AcquireX(); | 1607 Register temp = temps.AcquireX(); |
1608 | 1608 |
1609 Ldr(temp, FieldMemOperand(object, HeapObject::kMapOffset)); | 1609 Ldr(temp, FieldMemOperand(object, HeapObject::kMapOffset)); |
1610 CompareInstanceType(temp, temp, LAST_NAME_TYPE); | 1610 CompareInstanceType(temp, temp, LAST_NAME_TYPE); |
1611 Check(ls, kOperandIsNotAName); | 1611 Check(ls, kOperandIsNotAName); |
1612 } | 1612 } |
1613 } | 1613 } |
1614 | 1614 |
1615 | 1615 |
1616 void MacroAssembler::AssertFunction(Register object) { | |
1617 if (emit_debug_code()) { | |
1618 AssertNotSmi(object, kOperandIsASmiAndNotAFunction); | |
1619 | |
1620 UseScratchRegisterScope temps(this); | |
1621 Register temp = temps.AcquireX(); | |
1622 | |
1623 CompareObjectType(object, temp, temp, JS_FUNCTION_TYPE); | |
1624 Check(eq, kOperandIsNotAFunction); | |
1625 } | |
1626 } | |
1627 | |
1628 | |
1629 void MacroAssembler::AssertUndefinedOrAllocationSite(Register object, | 1616 void MacroAssembler::AssertUndefinedOrAllocationSite(Register object, |
1630 Register scratch) { | 1617 Register scratch) { |
1631 if (emit_debug_code()) { | 1618 if (emit_debug_code()) { |
1632 Label done_checking; | 1619 Label done_checking; |
1633 AssertNotSmi(object); | 1620 AssertNotSmi(object); |
1634 JumpIfRoot(object, Heap::kUndefinedValueRootIndex, &done_checking); | 1621 JumpIfRoot(object, Heap::kUndefinedValueRootIndex, &done_checking); |
1635 Ldr(scratch, FieldMemOperand(object, HeapObject::kMapOffset)); | 1622 Ldr(scratch, FieldMemOperand(object, HeapObject::kMapOffset)); |
1636 CompareRoot(scratch, Heap::kAllocationSiteMapRootIndex); | 1623 CompareRoot(scratch, Heap::kAllocationSiteMapRootIndex); |
1637 Assert(eq, kExpectedUndefinedOrCell); | 1624 Assert(eq, kExpectedUndefinedOrCell); |
1638 Bind(&done_checking); | 1625 Bind(&done_checking); |
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3051 } | 3038 } |
3052 } else { | 3039 } else { |
3053 // Slot is in the current function context. Move it into the | 3040 // Slot is in the current function context. Move it into the |
3054 // destination register in case we store into it (the write barrier | 3041 // destination register in case we store into it (the write barrier |
3055 // cannot be allowed to destroy the context in cp). | 3042 // cannot be allowed to destroy the context in cp). |
3056 Mov(dst, cp); | 3043 Mov(dst, cp); |
3057 } | 3044 } |
3058 } | 3045 } |
3059 | 3046 |
3060 | 3047 |
3061 void MacroAssembler::LoadGlobalProxy(Register dst) { | |
3062 Ldr(dst, GlobalObjectMemOperand()); | |
3063 Ldr(dst, FieldMemOperand(dst, GlobalObject::kGlobalProxyOffset)); | |
3064 } | |
3065 | |
3066 | |
3067 void MacroAssembler::DebugBreak() { | 3048 void MacroAssembler::DebugBreak() { |
3068 Mov(x0, 0); | 3049 Mov(x0, 0); |
3069 Mov(x1, ExternalReference(Runtime::kHandleDebuggerStatement, isolate())); | 3050 Mov(x1, ExternalReference(Runtime::kHandleDebuggerStatement, isolate())); |
3070 CEntryStub ces(isolate(), 1); | 3051 CEntryStub ces(isolate(), 1); |
3071 DCHECK(AllowThisStubCall(&ces)); | 3052 DCHECK(AllowThisStubCall(&ces)); |
3072 Call(ces.GetCode(), RelocInfo::DEBUGGER_STATEMENT); | 3053 Call(ces.GetCode(), RelocInfo::DEBUGGER_STATEMENT); |
3073 } | 3054 } |
3074 | 3055 |
3075 | 3056 |
3076 void MacroAssembler::PushStackHandler() { | 3057 void MacroAssembler::PushStackHandler() { |
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5121 } | 5102 } |
5122 | 5103 |
5123 | 5104 |
5124 #undef __ | 5105 #undef __ |
5125 | 5106 |
5126 | 5107 |
5127 } // namespace internal | 5108 } // namespace internal |
5128 } // namespace v8 | 5109 } // namespace v8 |
5129 | 5110 |
5130 #endif // V8_TARGET_ARCH_ARM64 | 5111 #endif // V8_TARGET_ARCH_ARM64 |
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