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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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933 // NOTE: the O32 abi requires a0 to hold a special pointer when returning a | 933 // NOTE: the O32 abi requires a0 to hold a special pointer when returning a |
934 // struct from the function (which is currently the case). This means we pass | 934 // struct from the function (which is currently the case). This means we pass |
935 // the first argument in a1 instead of a0, if returns_handle is true. | 935 // the first argument in a1 instead of a0, if returns_handle is true. |
936 // CallApiFunctionAndReturn will set up a0. | 936 // CallApiFunctionAndReturn will set up a0. |
937 | 937 |
938 Address function_address = v8::ToCData<Address>(api_call_info->callback()); | 938 Address function_address = v8::ToCData<Address>(api_call_info->callback()); |
939 bool returns_handle = | 939 bool returns_handle = |
940 !CallbackTable::ReturnsVoid(masm->isolate(), function_address); | 940 !CallbackTable::ReturnsVoid(masm->isolate(), function_address); |
941 | 941 |
942 Register first_arg = returns_handle ? a1 : a0; | 942 Register first_arg = returns_handle ? a1 : a0; |
| 943 Register second_arg = returns_handle ? a2 : a1; |
943 | 944 |
944 // first_arg = v8::Arguments& | 945 // first_arg = v8::Arguments& |
945 // Arguments is built at sp + 1 (sp is a reserved spot for ra). | 946 // Arguments is built at sp + 1 (sp is a reserved spot for ra). |
946 __ Addu(first_arg, sp, kPointerSize); | 947 __ Addu(first_arg, sp, kPointerSize); |
947 | 948 |
948 // v8::Arguments::implicit_args_ | 949 // v8::Arguments::implicit_args_ |
949 __ sw(a2, MemOperand(first_arg, 0 * kPointerSize)); | 950 __ sw(a2, MemOperand(first_arg, 0 * kPointerSize)); |
950 // v8::Arguments::values_ | 951 // v8::Arguments::values_ |
951 __ Addu(t0, a2, Operand(argc * kPointerSize)); | 952 __ Addu(t0, a2, Operand(argc * kPointerSize)); |
952 __ sw(t0, MemOperand(first_arg, 1 * kPointerSize)); | 953 __ sw(t0, MemOperand(first_arg, 1 * kPointerSize)); |
953 // v8::Arguments::length_ = argc | 954 // v8::Arguments::length_ = argc |
954 __ li(t0, Operand(argc)); | 955 __ li(t0, Operand(argc)); |
955 __ sw(t0, MemOperand(first_arg, 2 * kPointerSize)); | 956 __ sw(t0, MemOperand(first_arg, 2 * kPointerSize)); |
956 // v8::Arguments::is_construct_call = 0 | 957 // v8::Arguments::is_construct_call = 0 |
957 __ sw(zero_reg, MemOperand(first_arg, 3 * kPointerSize)); | 958 __ sw(zero_reg, MemOperand(first_arg, 3 * kPointerSize)); |
958 | 959 |
959 const int kStackUnwindSpace = argc + kFastApiCallArguments + 1; | 960 const int kStackUnwindSpace = argc + kFastApiCallArguments + 1; |
960 ApiFunction fun(function_address); | 961 ApiFunction fun(function_address); |
961 ExternalReference::Type type = | 962 ExternalReference::Type type = |
962 returns_handle ? | 963 returns_handle ? |
963 ExternalReference::DIRECT_API_CALL : | 964 ExternalReference::DIRECT_API_CALL : |
964 ExternalReference::DIRECT_API_CALL_NEW; | 965 ExternalReference::DIRECT_API_CALL_NEW; |
965 ExternalReference ref = | 966 ExternalReference ref = |
966 ExternalReference(&fun, | 967 ExternalReference(&fun, |
967 type, | 968 type, |
968 masm->isolate()); | 969 masm->isolate()); |
| 970 |
| 971 Address thunk_address = returns_handle |
| 972 ? FUNCTION_ADDR(&InvokeInvocationCallback) |
| 973 : FUNCTION_ADDR(&InvokeFunctionCallback); |
| 974 ExternalReference::Type thunk_type = |
| 975 returns_handle ? |
| 976 ExternalReference::PROFILING_API_CALL : |
| 977 ExternalReference::PROFILING_API_CALL_NEW; |
| 978 ApiFunction thunk_fun(thunk_address); |
| 979 ExternalReference thunk_ref = ExternalReference(&thunk_fun, thunk_type, |
| 980 masm->isolate()); |
| 981 |
969 AllowExternalCallThatCantCauseGC scope(masm); | 982 AllowExternalCallThatCantCauseGC scope(masm); |
970 __ CallApiFunctionAndReturn(ref, | 983 __ CallApiFunctionAndReturn(ref, |
| 984 function_address, |
| 985 thunk_ref, |
| 986 second_arg, |
971 kStackUnwindSpace, | 987 kStackUnwindSpace, |
972 returns_handle, | 988 returns_handle, |
973 kFastApiCallArguments + 1); | 989 kFastApiCallArguments + 1); |
974 } | 990 } |
975 | 991 |
976 class CallInterceptorCompiler BASE_EMBEDDED { | 992 class CallInterceptorCompiler BASE_EMBEDDED { |
977 public: | 993 public: |
978 CallInterceptorCompiler(StubCompiler* stub_compiler, | 994 CallInterceptorCompiler(StubCompiler* stub_compiler, |
979 const ParameterCount& arguments, | 995 const ParameterCount& arguments, |
980 Register name, | 996 Register name, |
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1453 Operand(ExternalReference::isolate_address(isolate()))); | 1469 Operand(ExternalReference::isolate_address(isolate()))); |
1454 __ sw(scratch4(), MemOperand(sp, 1 * kPointerSize)); | 1470 __ sw(scratch4(), MemOperand(sp, 1 * kPointerSize)); |
1455 __ sw(name(), MemOperand(sp, 0 * kPointerSize)); | 1471 __ sw(name(), MemOperand(sp, 0 * kPointerSize)); |
1456 | 1472 |
1457 Address getter_address = v8::ToCData<Address>(callback->getter()); | 1473 Address getter_address = v8::ToCData<Address>(callback->getter()); |
1458 bool returns_handle = | 1474 bool returns_handle = |
1459 !CallbackTable::ReturnsVoid(isolate(), getter_address); | 1475 !CallbackTable::ReturnsVoid(isolate(), getter_address); |
1460 | 1476 |
1461 Register first_arg = returns_handle ? a1 : a0; | 1477 Register first_arg = returns_handle ? a1 : a0; |
1462 Register second_arg = returns_handle ? a2 : a1; | 1478 Register second_arg = returns_handle ? a2 : a1; |
| 1479 Register third_arg = returns_handle ? a3 : a2; |
1463 | 1480 |
1464 __ mov(a2, scratch2()); // Saved in case scratch2 == a1. | 1481 __ mov(a2, scratch2()); // Saved in case scratch2 == a1. |
1465 __ mov(first_arg, sp); // (first argument - see note below) = Handle<Name> | 1482 __ mov(first_arg, sp); // (first argument - see note below) = Handle<Name> |
1466 | 1483 |
1467 // NOTE: the O32 abi requires a0 to hold a special pointer when returning a | 1484 // NOTE: the O32 abi requires a0 to hold a special pointer when returning a |
1468 // struct from the function (which is currently the case). This means we pass | 1485 // struct from the function (which is currently the case). This means we pass |
1469 // the arguments in a1-a2 instead of a0-a1, if returns_handle is true. | 1486 // the arguments in a1-a2 instead of a0-a1, if returns_handle is true. |
1470 // CallApiFunctionAndReturn will set up a0. | 1487 // CallApiFunctionAndReturn will set up a0. |
1471 | 1488 |
1472 const int kApiStackSpace = 1; | 1489 const int kApiStackSpace = 1; |
1473 FrameScope frame_scope(masm(), StackFrame::MANUAL); | 1490 FrameScope frame_scope(masm(), StackFrame::MANUAL); |
1474 __ EnterExitFrame(false, kApiStackSpace); | 1491 __ EnterExitFrame(false, kApiStackSpace); |
1475 | 1492 |
1476 // Create AccessorInfo instance on the stack above the exit frame with | 1493 // Create AccessorInfo instance on the stack above the exit frame with |
1477 // scratch2 (internal::Object** args_) as the data. | 1494 // scratch2 (internal::Object** args_) as the data. |
1478 __ sw(a2, MemOperand(sp, kPointerSize)); | 1495 __ sw(a2, MemOperand(sp, kPointerSize)); |
1479 // (second argument - see note above) = AccessorInfo& | 1496 // (second argument - see note above) = AccessorInfo& |
1480 __ Addu(second_arg, sp, kPointerSize); | 1497 __ Addu(second_arg, sp, kPointerSize); |
1481 | 1498 |
1482 const int kStackUnwindSpace = kFastApiCallArguments + 1; | 1499 const int kStackUnwindSpace = kFastApiCallArguments + 1; |
| 1500 |
1483 ApiFunction fun(getter_address); | 1501 ApiFunction fun(getter_address); |
1484 ExternalReference::Type type = | 1502 ExternalReference::Type type = |
1485 returns_handle ? | 1503 returns_handle ? |
1486 ExternalReference::DIRECT_GETTER_CALL : | 1504 ExternalReference::DIRECT_GETTER_CALL : |
1487 ExternalReference::DIRECT_GETTER_CALL_NEW; | 1505 ExternalReference::DIRECT_GETTER_CALL_NEW; |
| 1506 ExternalReference ref = ExternalReference(&fun, type, isolate()); |
1488 | 1507 |
1489 ExternalReference ref = ExternalReference(&fun, type, isolate()); | 1508 Address thunk_address = returns_handle |
| 1509 ? FUNCTION_ADDR(&InvokeAccessorGetter) |
| 1510 : FUNCTION_ADDR(&InvokeAccessorGetterCallback); |
| 1511 ExternalReference::Type thunk_type = |
| 1512 returns_handle ? |
| 1513 ExternalReference::PROFILING_GETTER_CALL : |
| 1514 ExternalReference::PROFILING_GETTER_CALL_NEW; |
| 1515 ApiFunction thunk_fun(thunk_address); |
| 1516 ExternalReference thunk_ref = ExternalReference(&thunk_fun, thunk_type, |
| 1517 isolate()); |
1490 __ CallApiFunctionAndReturn(ref, | 1518 __ CallApiFunctionAndReturn(ref, |
| 1519 getter_address, |
| 1520 thunk_ref, |
| 1521 third_arg, |
1491 kStackUnwindSpace, | 1522 kStackUnwindSpace, |
1492 returns_handle, | 1523 returns_handle, |
1493 5); | 1524 5); |
1494 } | 1525 } |
1495 | 1526 |
1496 | 1527 |
1497 void BaseLoadStubCompiler::GenerateLoadInterceptor( | 1528 void BaseLoadStubCompiler::GenerateLoadInterceptor( |
1498 Register holder_reg, | 1529 Register holder_reg, |
1499 Handle<JSObject> object, | 1530 Handle<JSObject> object, |
1500 Handle<JSObject> interceptor_holder, | 1531 Handle<JSObject> interceptor_holder, |
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3742 TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Slow); | 3773 TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Slow); |
3743 } | 3774 } |
3744 } | 3775 } |
3745 | 3776 |
3746 | 3777 |
3747 #undef __ | 3778 #undef __ |
3748 | 3779 |
3749 } } // namespace v8::internal | 3780 } } // namespace v8::internal |
3750 | 3781 |
3751 #endif // V8_TARGET_ARCH_MIPS | 3782 #endif // V8_TARGET_ARCH_MIPS |
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