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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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1488 __ mov(ecx, FieldOperand(edi, JSFunction::kPrototypeOrInitialMapOffset)); | 1488 __ mov(ecx, FieldOperand(edi, JSFunction::kPrototypeOrInitialMapOffset)); |
1489 // Will both indicate a NULL and a Smi. | 1489 // Will both indicate a NULL and a Smi. |
1490 __ test(ecx, Immediate(kSmiTagMask)); | 1490 __ test(ecx, Immediate(kSmiTagMask)); |
1491 __ Assert(not_zero, "Unexpected initial map for Array function"); | 1491 __ Assert(not_zero, "Unexpected initial map for Array function"); |
1492 __ CmpObjectType(ecx, MAP_TYPE, ecx); | 1492 __ CmpObjectType(ecx, MAP_TYPE, ecx); |
1493 __ Assert(equal, "Unexpected initial map for Array function"); | 1493 __ Assert(equal, "Unexpected initial map for Array function"); |
1494 | 1494 |
1495 // We should either have undefined in ebx or a valid jsglobalpropertycell | 1495 // We should either have undefined in ebx or a valid jsglobalpropertycell |
1496 Label okay_here; | 1496 Label okay_here; |
1497 Handle<Object> undefined_sentinel( | 1497 Handle<Object> undefined_sentinel( |
1498 masm->isolate()->heap()->undefined_value()); | 1498 masm->isolate()->heap()->undefined_value(), masm->isolate()); |
1499 Handle<Map> global_property_cell_map( | 1499 Handle<Map> global_property_cell_map( |
1500 masm->isolate()->heap()->global_property_cell_map()); | 1500 masm->isolate()->heap()->global_property_cell_map()); |
1501 __ cmp(ebx, Immediate(undefined_sentinel)); | 1501 __ cmp(ebx, Immediate(undefined_sentinel)); |
1502 __ j(equal, &okay_here); | 1502 __ j(equal, &okay_here); |
1503 __ cmp(FieldOperand(ebx, 0), Immediate(global_property_cell_map)); | 1503 __ cmp(FieldOperand(ebx, 0), Immediate(global_property_cell_map)); |
1504 __ Assert(equal, "Expected property cell in register ebx"); | 1504 __ Assert(equal, "Expected property cell in register ebx"); |
1505 __ bind(&okay_here); | 1505 __ bind(&okay_here); |
1506 } | 1506 } |
1507 | 1507 |
1508 if (FLAG_optimize_constructed_arrays) { | 1508 if (FLAG_optimize_constructed_arrays) { |
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1529 // Jump to the generic construct code in case the specialized code cannot | 1529 // Jump to the generic construct code in case the specialized code cannot |
1530 // handle the construction. | 1530 // handle the construction. |
1531 __ bind(&generic_constructor); | 1531 __ bind(&generic_constructor); |
1532 Handle<Code> generic_construct_stub = | 1532 Handle<Code> generic_construct_stub = |
1533 masm->isolate()->builtins()->JSConstructStubGeneric(); | 1533 masm->isolate()->builtins()->JSConstructStubGeneric(); |
1534 __ jmp(generic_construct_stub, RelocInfo::CODE_TARGET); | 1534 __ jmp(generic_construct_stub, RelocInfo::CODE_TARGET); |
1535 } | 1535 } |
1536 } | 1536 } |
1537 | 1537 |
1538 | 1538 |
1539 void Builtins::Generate_InternalArrayConstructCode(MacroAssembler* masm) { | |
1540 // ----------- S t a t e ------------- | |
1541 // -- eax : argc | |
1542 // -- edi : constructor | |
1543 // -- esp[0] : return address | |
1544 // -- esp[4] : last argument | |
1545 // ----------------------------------- | |
1546 Label generic_constructor; | |
1547 | |
1548 if (FLAG_debug_code) { | |
1549 // The array construct code is only set for the global and natives | |
1550 // builtin Array functions which always have maps. | |
1551 | |
1552 // Initial map for the builtin Array function should be a map. | |
1553 __ mov(ebx, FieldOperand(edi, JSFunction::kPrototypeOrInitialMapOffset)); | |
1554 // Will both indicate a NULL and a Smi. | |
1555 __ test(ebx, Immediate(kSmiTagMask)); | |
1556 __ Assert(not_zero, "Unexpected initial map for Array function"); | |
1557 __ CmpObjectType(ebx, MAP_TYPE, ecx); | |
1558 __ Assert(equal, "Unexpected initial map for Array function"); | |
1559 } | |
1560 | |
1561 // Run the native code for the Array function called as constructor. | |
1562 ArrayNativeCode(masm, true, &generic_constructor); | |
1563 | |
1564 // Jump to the generic construct code in case the specialized code cannot | |
1565 // handle the construction. | |
1566 __ bind(&generic_constructor); | |
1567 Handle<Code> generic_construct_stub = | |
1568 masm->isolate()->builtins()->JSConstructStubGeneric(); | |
1569 __ jmp(generic_construct_stub, RelocInfo::CODE_TARGET); | |
1570 } | |
1571 | |
1572 | |
1573 void Builtins::Generate_StringConstructCode(MacroAssembler* masm) { | 1539 void Builtins::Generate_StringConstructCode(MacroAssembler* masm) { |
1574 // ----------- S t a t e ------------- | 1540 // ----------- S t a t e ------------- |
1575 // -- eax : number of arguments | 1541 // -- eax : number of arguments |
1576 // -- edi : constructor function | 1542 // -- edi : constructor function |
1577 // -- esp[0] : return address | 1543 // -- esp[0] : return address |
1578 // -- esp[(argc - n) * 4] : arg[n] (zero-based) | 1544 // -- esp[(argc - n) * 4] : arg[n] (zero-based) |
1579 // -- esp[(argc + 1) * 4] : receiver | 1545 // -- esp[(argc + 1) * 4] : receiver |
1580 // ----------------------------------- | 1546 // ----------------------------------- |
1581 Counters* counters = masm->isolate()->counters(); | 1547 Counters* counters = masm->isolate()->counters(); |
1582 __ IncrementCounter(counters->string_ctor_calls(), 1); | 1548 __ IncrementCounter(counters->string_ctor_calls(), 1); |
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1888 Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR); | 1854 Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR); |
1889 generator.Generate(); | 1855 generator.Generate(); |
1890 } | 1856 } |
1891 | 1857 |
1892 | 1858 |
1893 #undef __ | 1859 #undef __ |
1894 } | 1860 } |
1895 } // namespace v8::internal | 1861 } // namespace v8::internal |
1896 | 1862 |
1897 #endif // V8_TARGET_ARCH_IA32 | 1863 #endif // V8_TARGET_ARCH_IA32 |
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