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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 // 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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118 uintptr_t map_off_addr = reinterpret_cast<uintptr_t>(map_offset.address()); | 118 uintptr_t map_off_addr = reinterpret_cast<uintptr_t>(map_offset.address()); |
119 | 119 |
120 Label miss; | 120 Label miss; |
121 | 121 |
122 ASSERT(!AreAliased(name, offset, scratch, scratch2, scratch3)); | 122 ASSERT(!AreAliased(name, offset, scratch, scratch2, scratch3)); |
123 | 123 |
124 // Multiply by 3 because there are 3 fields per entry. | 124 // Multiply by 3 because there are 3 fields per entry. |
125 __ Add(scratch3, offset, Operand(offset, LSL, 1)); | 125 __ Add(scratch3, offset, Operand(offset, LSL, 1)); |
126 | 126 |
127 // Calculate the base address of the entry. | 127 // Calculate the base address of the entry. |
128 __ Mov(scratch, Operand(key_offset)); | 128 __ Mov(scratch, key_offset); |
129 __ Add(scratch, scratch, Operand(scratch3, LSL, kPointerSizeLog2)); | 129 __ Add(scratch, scratch, Operand(scratch3, LSL, kPointerSizeLog2)); |
130 | 130 |
131 // Check that the key in the entry matches the name. | 131 // Check that the key in the entry matches the name. |
132 __ Ldr(scratch2, MemOperand(scratch)); | 132 __ Ldr(scratch2, MemOperand(scratch)); |
133 __ Cmp(name, scratch2); | 133 __ Cmp(name, scratch2); |
134 __ B(ne, &miss); | 134 __ B(ne, &miss); |
135 | 135 |
136 // Check the map matches. | 136 // Check the map matches. |
137 __ Ldr(scratch2, MemOperand(scratch, map_off_addr - key_off_addr)); | 137 __ Ldr(scratch2, MemOperand(scratch, map_off_addr - key_off_addr)); |
138 __ Ldr(scratch3, FieldMemOperand(receiver, HeapObject::kMapOffset)); | 138 __ Ldr(scratch3, FieldMemOperand(receiver, HeapObject::kMapOffset)); |
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754 } else { | 754 } else { |
755 __ LoadObject(call_data, call_data_obj); | 755 __ LoadObject(call_data, call_data_obj); |
756 } | 756 } |
757 | 757 |
758 // Put api_function_address in place. | 758 // Put api_function_address in place. |
759 Address function_address = v8::ToCData<Address>(api_call_info->callback()); | 759 Address function_address = v8::ToCData<Address>(api_call_info->callback()); |
760 ApiFunction fun(function_address); | 760 ApiFunction fun(function_address); |
761 ExternalReference ref = ExternalReference(&fun, | 761 ExternalReference ref = ExternalReference(&fun, |
762 ExternalReference::DIRECT_API_CALL, | 762 ExternalReference::DIRECT_API_CALL, |
763 masm->isolate()); | 763 masm->isolate()); |
764 __ Mov(api_function_address, Operand(ref)); | 764 __ Mov(api_function_address, ref); |
765 | 765 |
766 // Jump to stub. | 766 // Jump to stub. |
767 CallApiFunctionStub stub(is_store, call_data_undefined, argc); | 767 CallApiFunctionStub stub(is_store, call_data_undefined, argc); |
768 __ TailCallStub(&stub); | 768 __ TailCallStub(&stub); |
769 } | 769 } |
770 | 770 |
771 | 771 |
772 void StubCompiler::GenerateTailCall(MacroAssembler* masm, Handle<Code> code) { | 772 void StubCompiler::GenerateTailCall(MacroAssembler* masm, Handle<Code> code) { |
773 __ Jump(code, RelocInfo::CODE_TARGET); | 773 __ Jump(code, RelocInfo::CODE_TARGET); |
774 } | 774 } |
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1015 __ Mov(scratch3(), Operand(callback)); | 1015 __ Mov(scratch3(), Operand(callback)); |
1016 __ Ldr(scratch3(), FieldMemOperand(scratch3(), | 1016 __ Ldr(scratch3(), FieldMemOperand(scratch3(), |
1017 ExecutableAccessorInfo::kDataOffset)); | 1017 ExecutableAccessorInfo::kDataOffset)); |
1018 } else { | 1018 } else { |
1019 __ Mov(scratch3(), Operand(Handle<Object>(callback->data(), isolate()))); | 1019 __ Mov(scratch3(), Operand(Handle<Object>(callback->data(), isolate()))); |
1020 } | 1020 } |
1021 // TODO(jbramley): Find another scratch register and combine the pushes | 1021 // TODO(jbramley): Find another scratch register and combine the pushes |
1022 // together. Can we use scratch1() here? | 1022 // together. Can we use scratch1() here? |
1023 __ LoadRoot(scratch4(), Heap::kUndefinedValueRootIndex); | 1023 __ LoadRoot(scratch4(), Heap::kUndefinedValueRootIndex); |
1024 __ Push(scratch3(), scratch4()); | 1024 __ Push(scratch3(), scratch4()); |
1025 __ Mov(scratch3(), Operand(ExternalReference::isolate_address(isolate()))); | 1025 __ Mov(scratch3(), ExternalReference::isolate_address(isolate())); |
1026 __ Push(scratch4(), scratch3(), reg, name()); | 1026 __ Push(scratch4(), scratch3(), reg, name()); |
1027 | 1027 |
1028 Register args_addr = scratch2(); | 1028 Register args_addr = scratch2(); |
1029 __ Add(args_addr, __ StackPointer(), kPointerSize); | 1029 __ Add(args_addr, __ StackPointer(), kPointerSize); |
1030 | 1030 |
1031 // Stack at this point: | 1031 // Stack at this point: |
1032 // sp[40] callback data | 1032 // sp[40] callback data |
1033 // sp[32] undefined | 1033 // sp[32] undefined |
1034 // sp[24] undefined | 1034 // sp[24] undefined |
1035 // sp[16] isolate | 1035 // sp[16] isolate |
1036 // args_addr -> sp[8] reg | 1036 // args_addr -> sp[8] reg |
1037 // sp[0] name | 1037 // sp[0] name |
1038 | 1038 |
1039 // Abi for CallApiGetter. | 1039 // Abi for CallApiGetter. |
1040 Register getter_address_reg = x2; | 1040 Register getter_address_reg = x2; |
1041 | 1041 |
1042 // Set up the call. | 1042 // Set up the call. |
1043 Address getter_address = v8::ToCData<Address>(callback->getter()); | 1043 Address getter_address = v8::ToCData<Address>(callback->getter()); |
1044 ApiFunction fun(getter_address); | 1044 ApiFunction fun(getter_address); |
1045 ExternalReference::Type type = ExternalReference::DIRECT_GETTER_CALL; | 1045 ExternalReference::Type type = ExternalReference::DIRECT_GETTER_CALL; |
1046 ExternalReference ref = ExternalReference(&fun, type, isolate()); | 1046 ExternalReference ref = ExternalReference(&fun, type, isolate()); |
1047 __ Mov(getter_address_reg, Operand(ref)); | 1047 __ Mov(getter_address_reg, ref); |
1048 | 1048 |
1049 CallApiGetterStub stub; | 1049 CallApiGetterStub stub; |
1050 __ TailCallStub(&stub); | 1050 __ TailCallStub(&stub); |
1051 } | 1051 } |
1052 | 1052 |
1053 | 1053 |
1054 void LoadStubCompiler::GenerateLoadInterceptor( | 1054 void LoadStubCompiler::GenerateLoadInterceptor( |
1055 Register holder_reg, | 1055 Register holder_reg, |
1056 Handle<Object> object, | 1056 Handle<Object> object, |
1057 Handle<JSObject> interceptor_holder, | 1057 Handle<JSObject> interceptor_holder, |
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1499 | 1499 |
1500 // Miss case, call the runtime. | 1500 // Miss case, call the runtime. |
1501 __ Bind(&miss); | 1501 __ Bind(&miss); |
1502 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); | 1502 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); |
1503 } | 1503 } |
1504 | 1504 |
1505 | 1505 |
1506 } } // namespace v8::internal | 1506 } } // namespace v8::internal |
1507 | 1507 |
1508 #endif // V8_TARGET_ARCH_A64 | 1508 #endif // V8_TARGET_ARCH_A64 |
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