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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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| 925 // NOTE: the O32 abi requires a0 to hold a special pointer when returning a | 925 // NOTE: the O32 abi requires a0 to hold a special pointer when returning a |
| 926 // struct from the function (which is currently the case). This means we pass | 926 // struct from the function (which is currently the case). This means we pass |
| 927 // the first argument in a1 instead of a0, if returns_handle is true. | 927 // the first argument in a1 instead of a0, if returns_handle is true. |
| 928 // CallApiFunctionAndReturn will set up a0. | 928 // CallApiFunctionAndReturn will set up a0. |
| 929 | 929 |
| 930 Address function_address = v8::ToCData<Address>(api_call_info->callback()); | 930 Address function_address = v8::ToCData<Address>(api_call_info->callback()); |
| 931 bool returns_handle = | 931 bool returns_handle = |
| 932 !CallbackTable::ReturnsVoid(masm->isolate(), function_address); | 932 !CallbackTable::ReturnsVoid(masm->isolate(), function_address); |
| 933 | 933 |
| 934 Register first_arg = returns_handle ? a1 : a0; | 934 Register first_arg = returns_handle ? a1 : a0; |
| 935 Register second_arg = returns_handle ? a2 : a1; |
| 935 | 936 |
| 936 // first_arg = v8::Arguments& | 937 // first_arg = v8::Arguments& |
| 937 // Arguments is built at sp + 1 (sp is a reserved spot for ra). | 938 // Arguments is built at sp + 1 (sp is a reserved spot for ra). |
| 938 __ Addu(first_arg, sp, kPointerSize); | 939 __ Addu(first_arg, sp, kPointerSize); |
| 939 | 940 |
| 940 // v8::Arguments::implicit_args_ | 941 // v8::Arguments::implicit_args_ |
| 941 __ sw(a2, MemOperand(first_arg, 0 * kPointerSize)); | 942 __ sw(a2, MemOperand(first_arg, 0 * kPointerSize)); |
| 942 // v8::Arguments::values_ | 943 // v8::Arguments::values_ |
| 943 __ Addu(t0, a2, Operand(argc * kPointerSize)); | 944 __ Addu(t0, a2, Operand(argc * kPointerSize)); |
| 944 __ sw(t0, MemOperand(first_arg, 1 * kPointerSize)); | 945 __ sw(t0, MemOperand(first_arg, 1 * kPointerSize)); |
| 945 // v8::Arguments::length_ = argc | 946 // v8::Arguments::length_ = argc |
| 946 __ li(t0, Operand(argc)); | 947 __ li(t0, Operand(argc)); |
| 947 __ sw(t0, MemOperand(first_arg, 2 * kPointerSize)); | 948 __ sw(t0, MemOperand(first_arg, 2 * kPointerSize)); |
| 948 // v8::Arguments::is_construct_call = 0 | 949 // v8::Arguments::is_construct_call = 0 |
| 949 __ sw(zero_reg, MemOperand(first_arg, 3 * kPointerSize)); | 950 __ sw(zero_reg, MemOperand(first_arg, 3 * kPointerSize)); |
| 950 | 951 |
| 951 const int kStackUnwindSpace = argc + kFastApiCallArguments + 1; | 952 const int kStackUnwindSpace = argc + kFastApiCallArguments + 1; |
| 952 ApiFunction fun(function_address); | 953 ApiFunction fun(function_address); |
| 953 ExternalReference::Type type = | 954 ExternalReference::Type type = |
| 954 returns_handle ? | 955 returns_handle ? |
| 955 ExternalReference::DIRECT_API_CALL : | 956 ExternalReference::DIRECT_API_CALL : |
| 956 ExternalReference::DIRECT_API_CALL_NEW; | 957 ExternalReference::DIRECT_API_CALL_NEW; |
| 957 ExternalReference ref = | 958 ExternalReference ref = |
| 958 ExternalReference(&fun, | 959 ExternalReference(&fun, |
| 959 type, | 960 type, |
| 960 masm->isolate()); | 961 masm->isolate()); |
| 962 |
| 963 Address thunk_address = returns_handle |
| 964 ? FUNCTION_ADDR(&InvokeInvocationCallback) |
| 965 : FUNCTION_ADDR(&InvokeFunctionCallback); |
| 966 ExternalReference::Type thunk_type = |
| 967 returns_handle ? |
| 968 ExternalReference::PROFILING_API_CALL : |
| 969 ExternalReference::PROFILING_API_CALL_NEW; |
| 970 ApiFunction thunk_fun(thunk_address); |
| 971 ExternalReference thunk_ref = ExternalReference(&thunk_fun, thunk_type, |
| 972 masm->isolate()); |
| 973 |
| 961 AllowExternalCallThatCantCauseGC scope(masm); | 974 AllowExternalCallThatCantCauseGC scope(masm); |
| 962 __ CallApiFunctionAndReturn(ref, | 975 __ CallApiFunctionAndReturn(ref, |
| 976 function_address, |
| 977 thunk_ref, |
| 978 second_arg, |
| 963 kStackUnwindSpace, | 979 kStackUnwindSpace, |
| 964 returns_handle, | 980 returns_handle, |
| 965 kFastApiCallArguments + 1); | 981 kFastApiCallArguments + 1); |
| 966 } | 982 } |
| 967 | 983 |
| 968 class CallInterceptorCompiler BASE_EMBEDDED { | 984 class CallInterceptorCompiler BASE_EMBEDDED { |
| 969 public: | 985 public: |
| 970 CallInterceptorCompiler(StubCompiler* stub_compiler, | 986 CallInterceptorCompiler(StubCompiler* stub_compiler, |
| 971 const ParameterCount& arguments, | 987 const ParameterCount& arguments, |
| 972 Register name, | 988 Register name, |
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| 1445 Operand(ExternalReference::isolate_address(isolate()))); | 1461 Operand(ExternalReference::isolate_address(isolate()))); |
| 1446 __ sw(scratch4(), MemOperand(sp, 1 * kPointerSize)); | 1462 __ sw(scratch4(), MemOperand(sp, 1 * kPointerSize)); |
| 1447 __ sw(name(), MemOperand(sp, 0 * kPointerSize)); | 1463 __ sw(name(), MemOperand(sp, 0 * kPointerSize)); |
| 1448 | 1464 |
| 1449 Address getter_address = v8::ToCData<Address>(callback->getter()); | 1465 Address getter_address = v8::ToCData<Address>(callback->getter()); |
| 1450 bool returns_handle = | 1466 bool returns_handle = |
| 1451 !CallbackTable::ReturnsVoid(isolate(), getter_address); | 1467 !CallbackTable::ReturnsVoid(isolate(), getter_address); |
| 1452 | 1468 |
| 1453 Register first_arg = returns_handle ? a1 : a0; | 1469 Register first_arg = returns_handle ? a1 : a0; |
| 1454 Register second_arg = returns_handle ? a2 : a1; | 1470 Register second_arg = returns_handle ? a2 : a1; |
| 1471 Register third_arg = returns_handle ? a3 : a2; |
| 1455 | 1472 |
| 1456 __ mov(a2, scratch2()); // Saved in case scratch2 == a1. | 1473 __ mov(a2, scratch2()); // Saved in case scratch2 == a1. |
| 1457 __ mov(first_arg, sp); // (first argument - see note below) = Handle<Name> | 1474 __ mov(first_arg, sp); // (first argument - see note below) = Handle<Name> |
| 1458 | 1475 |
| 1459 // NOTE: the O32 abi requires a0 to hold a special pointer when returning a | 1476 // NOTE: the O32 abi requires a0 to hold a special pointer when returning a |
| 1460 // struct from the function (which is currently the case). This means we pass | 1477 // struct from the function (which is currently the case). This means we pass |
| 1461 // the arguments in a1-a2 instead of a0-a1, if returns_handle is true. | 1478 // the arguments in a1-a2 instead of a0-a1, if returns_handle is true. |
| 1462 // CallApiFunctionAndReturn will set up a0. | 1479 // CallApiFunctionAndReturn will set up a0. |
| 1463 | 1480 |
| 1464 const int kApiStackSpace = 1; | 1481 const int kApiStackSpace = 1; |
| 1465 FrameScope frame_scope(masm(), StackFrame::MANUAL); | 1482 FrameScope frame_scope(masm(), StackFrame::MANUAL); |
| 1466 __ EnterExitFrame(false, kApiStackSpace); | 1483 __ EnterExitFrame(false, kApiStackSpace); |
| 1467 | 1484 |
| 1468 // Create AccessorInfo instance on the stack above the exit frame with | 1485 // Create AccessorInfo instance on the stack above the exit frame with |
| 1469 // scratch2 (internal::Object** args_) as the data. | 1486 // scratch2 (internal::Object** args_) as the data. |
| 1470 __ sw(a2, MemOperand(sp, kPointerSize)); | 1487 __ sw(a2, MemOperand(sp, kPointerSize)); |
| 1471 // (second argument - see note above) = AccessorInfo& | 1488 // (second argument - see note above) = AccessorInfo& |
| 1472 __ Addu(second_arg, sp, kPointerSize); | 1489 __ Addu(second_arg, sp, kPointerSize); |
| 1473 | 1490 |
| 1474 const int kStackUnwindSpace = kFastApiCallArguments + 1; | 1491 const int kStackUnwindSpace = kFastApiCallArguments + 1; |
| 1492 |
| 1475 ApiFunction fun(getter_address); | 1493 ApiFunction fun(getter_address); |
| 1476 ExternalReference::Type type = | 1494 ExternalReference::Type type = |
| 1477 returns_handle ? | 1495 returns_handle ? |
| 1478 ExternalReference::DIRECT_GETTER_CALL : | 1496 ExternalReference::DIRECT_GETTER_CALL : |
| 1479 ExternalReference::DIRECT_GETTER_CALL_NEW; | 1497 ExternalReference::DIRECT_GETTER_CALL_NEW; |
| 1498 ExternalReference ref = ExternalReference(&fun, type, isolate()); |
| 1480 | 1499 |
| 1481 ExternalReference ref = ExternalReference(&fun, type, isolate()); | 1500 Address thunk_address = returns_handle |
| 1501 ? FUNCTION_ADDR(&InvokeAccessorGetter) |
| 1502 : FUNCTION_ADDR(&InvokeAccessorGetterCallback); |
| 1503 ExternalReference::Type thunk_type = |
| 1504 returns_handle ? |
| 1505 ExternalReference::PROFILING_GETTER_CALL : |
| 1506 ExternalReference::PROFILING_GETTER_CALL_NEW; |
| 1507 ApiFunction thunk_fun(thunk_address); |
| 1508 ExternalReference thunk_ref = ExternalReference(&thunk_fun, thunk_type, |
| 1509 isolate()); |
| 1482 __ CallApiFunctionAndReturn(ref, | 1510 __ CallApiFunctionAndReturn(ref, |
| 1511 getter_address, |
| 1512 thunk_ref, |
| 1513 third_arg, |
| 1483 kStackUnwindSpace, | 1514 kStackUnwindSpace, |
| 1484 returns_handle, | 1515 returns_handle, |
| 1485 5); | 1516 5); |
| 1486 } | 1517 } |
| 1487 | 1518 |
| 1488 | 1519 |
| 1489 void BaseLoadStubCompiler::GenerateLoadInterceptor( | 1520 void BaseLoadStubCompiler::GenerateLoadInterceptor( |
| 1490 Register holder_reg, | 1521 Register holder_reg, |
| 1491 Handle<JSObject> object, | 1522 Handle<JSObject> object, |
| 1492 Handle<JSObject> interceptor_holder, | 1523 Handle<JSObject> interceptor_holder, |
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| 3734 TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Slow); | 3765 TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Slow); |
| 3735 } | 3766 } |
| 3736 } | 3767 } |
| 3737 | 3768 |
| 3738 | 3769 |
| 3739 #undef __ | 3770 #undef __ |
| 3740 | 3771 |
| 3741 } } // namespace v8::internal | 3772 } } // namespace v8::internal |
| 3742 | 3773 |
| 3743 #endif // V8_TARGET_ARCH_MIPS | 3774 #endif // V8_TARGET_ARCH_MIPS |
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