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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 // 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_MIPS64 | 5 #if V8_TARGET_ARCH_MIPS64 |
6 | 6 |
7 #include "src/bootstrapper.h" | 7 #include "src/bootstrapper.h" |
8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/ic/handler-compiler.h" | 10 #include "src/ic/handler-compiler.h" |
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1467 __ bind(&fast_case); | 1467 __ bind(&fast_case); |
1468 __ JumpIfSmi(function, &slow_case); | 1468 __ JumpIfSmi(function, &slow_case); |
1469 __ GetObjectType(function, function_map, scratch); | 1469 __ GetObjectType(function, function_map, scratch); |
1470 __ Branch(&slow_case, ne, scratch, Operand(JS_FUNCTION_TYPE)); | 1470 __ Branch(&slow_case, ne, scratch, Operand(JS_FUNCTION_TYPE)); |
1471 | 1471 |
1472 // Ensure that {function} has an instance prototype. | 1472 // Ensure that {function} has an instance prototype. |
1473 __ lbu(scratch, FieldMemOperand(function_map, Map::kBitFieldOffset)); | 1473 __ lbu(scratch, FieldMemOperand(function_map, Map::kBitFieldOffset)); |
1474 __ And(at, scratch, Operand(1 << Map::kHasNonInstancePrototype)); | 1474 __ And(at, scratch, Operand(1 << Map::kHasNonInstancePrototype)); |
1475 __ Branch(&slow_case, ne, at, Operand(zero_reg)); | 1475 __ Branch(&slow_case, ne, at, Operand(zero_reg)); |
1476 | 1476 |
| 1477 // Ensure that {function} is not bound. |
| 1478 Register const shared_info = scratch; |
| 1479 __ ld(shared_info, |
| 1480 FieldMemOperand(function, JSFunction::kSharedFunctionInfoOffset)); |
| 1481 __ lbu(scratch, |
| 1482 FieldMemOperand(shared_info, SharedFunctionInfo::kBoundByteOffset)); |
| 1483 __ And(at, scratch, Operand(1 << SharedFunctionInfo::kBoundBitWithinByte)); |
| 1484 __ Branch(&slow_case, ne, at, Operand(zero_reg)); |
| 1485 |
1477 // Get the "prototype" (or initial map) of the {function}. | 1486 // Get the "prototype" (or initial map) of the {function}. |
1478 __ ld(function_prototype, | 1487 __ ld(function_prototype, |
1479 FieldMemOperand(function, JSFunction::kPrototypeOrInitialMapOffset)); | 1488 FieldMemOperand(function, JSFunction::kPrototypeOrInitialMapOffset)); |
1480 __ AssertNotSmi(function_prototype); | 1489 __ AssertNotSmi(function_prototype); |
1481 | 1490 |
1482 // Resolve the prototype if the {function} has an initial map. Afterwards the | 1491 // Resolve the prototype if the {function} has an initial map. Afterwards the |
1483 // {function_prototype} will be either the JSReceiver prototype object or the | 1492 // {function_prototype} will be either the JSReceiver prototype object or the |
1484 // hole value, which means that no instances of the {function} were created so | 1493 // hole value, which means that no instances of the {function} were created so |
1485 // far and hence we should return false. | 1494 // far and hence we should return false. |
1486 Label function_prototype_valid; | 1495 Label function_prototype_valid; |
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5628 MemOperand(fp, 6 * kPointerSize), NULL); | 5637 MemOperand(fp, 6 * kPointerSize), NULL); |
5629 } | 5638 } |
5630 | 5639 |
5631 | 5640 |
5632 #undef __ | 5641 #undef __ |
5633 | 5642 |
5634 } // namespace internal | 5643 } // namespace internal |
5635 } // namespace v8 | 5644 } // namespace v8 |
5636 | 5645 |
5637 #endif // V8_TARGET_ARCH_MIPS64 | 5646 #endif // V8_TARGET_ARCH_MIPS64 |
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