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| 1 // Copyright 2010 the V8 project authors. All rights reserved. | 1 // Copyright 2010 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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| 482 | 482 |
| 483 // Tail call a code stub (jump) and return the code object called. Try to | 483 // Tail call a code stub (jump) and return the code object called. Try to |
| 484 // generate the code if necessary. Do not perform a GC but instead return | 484 // generate the code if necessary. Do not perform a GC but instead return |
| 485 // a retry after GC failure. | 485 // a retry after GC failure. |
| 486 MUST_USE_RESULT MaybeObject* TryTailCallStub(CodeStub* stub); | 486 MUST_USE_RESULT MaybeObject* TryTailCallStub(CodeStub* stub); |
| 487 | 487 |
| 488 // Return from a code stub after popping its arguments. | 488 // Return from a code stub after popping its arguments. |
| 489 void StubReturn(int argc); | 489 void StubReturn(int argc); |
| 490 | 490 |
| 491 // Call a runtime routine. | 491 // Call a runtime routine. |
| 492 void CallRuntime(Runtime::Function* f, int num_arguments); | 492 void CallRuntime(const Runtime::Function* f, int num_arguments); |
| 493 void CallRuntimeSaveDoubles(Runtime::FunctionId id); | 493 void CallRuntimeSaveDoubles(Runtime::FunctionId id); |
| 494 | 494 |
| 495 // Call a runtime function, returning the CodeStub object called. | 495 // Call a runtime function, returning the CodeStub object called. |
| 496 // Try to generate the stub code if necessary. Do not perform a GC | 496 // Try to generate the stub code if necessary. Do not perform a GC |
| 497 // but instead return a retry after GC failure. | 497 // but instead return a retry after GC failure. |
| 498 MUST_USE_RESULT MaybeObject* TryCallRuntime(Runtime::Function* f, | 498 MUST_USE_RESULT MaybeObject* TryCallRuntime(const Runtime::Function* f, |
| 499 int num_arguments); | 499 int num_arguments); |
| 500 | 500 |
| 501 // Convenience function: Same as above, but takes the fid instead. | 501 // Convenience function: Same as above, but takes the fid instead. |
| 502 void CallRuntime(Runtime::FunctionId id, int num_arguments); | 502 void CallRuntime(Runtime::FunctionId id, int num_arguments); |
| 503 | 503 |
| 504 // Convenience function: Same as above, but takes the fid instead. | 504 // Convenience function: Same as above, but takes the fid instead. |
| 505 MUST_USE_RESULT MaybeObject* TryCallRuntime(Runtime::FunctionId id, | 505 MUST_USE_RESULT MaybeObject* TryCallRuntime(Runtime::FunctionId id, |
| 506 int num_arguments); | 506 int num_arguments); |
| 507 | 507 |
| 508 // Convenience function: call an external reference. | 508 // Convenience function: call an external reference. |
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| 710 // The mask isn't really an address. We load it as an external reference in | 710 // The mask isn't really an address. We load it as an external reference in |
| 711 // case the size of the new space is different between the snapshot maker | 711 // case the size of the new space is different between the snapshot maker |
| 712 // and the running system. | 712 // and the running system. |
| 713 and_(Operand(scratch), Immediate(ExternalReference::new_space_mask())); | 713 and_(Operand(scratch), Immediate(ExternalReference::new_space_mask())); |
| 714 cmp(Operand(scratch), Immediate(ExternalReference::new_space_start())); | 714 cmp(Operand(scratch), Immediate(ExternalReference::new_space_start())); |
| 715 j(cc, branch); | 715 j(cc, branch); |
| 716 } else { | 716 } else { |
| 717 int32_t new_space_start = reinterpret_cast<int32_t>( | 717 int32_t new_space_start = reinterpret_cast<int32_t>( |
| 718 ExternalReference::new_space_start().address()); | 718 ExternalReference::new_space_start().address()); |
| 719 lea(scratch, Operand(object, -new_space_start)); | 719 lea(scratch, Operand(object, -new_space_start)); |
| 720 and_(scratch, Heap::NewSpaceMask()); | 720 and_(scratch, HEAP->NewSpaceMask()); |
| 721 j(cc, branch); | 721 j(cc, branch); |
| 722 } | 722 } |
| 723 } | 723 } |
| 724 | 724 |
| 725 | 725 |
| 726 // The code patcher is used to patch (typically) small parts of code e.g. for | 726 // The code patcher is used to patch (typically) small parts of code e.g. for |
| 727 // debugging and other types of instrumentation. When using the code patcher | 727 // debugging and other types of instrumentation. When using the code patcher |
| 728 // the exact number of bytes specified must be emitted. Is not legal to emit | 728 // the exact number of bytes specified must be emitted. Is not legal to emit |
| 729 // relocation information. If any of these constraints are violated it causes | 729 // relocation information. If any of these constraints are violated it causes |
| 730 // an assertion. | 730 // an assertion. |
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| 804 } \ | 804 } \ |
| 805 masm-> | 805 masm-> |
| 806 #else | 806 #else |
| 807 #define ACCESS_MASM(masm) masm-> | 807 #define ACCESS_MASM(masm) masm-> |
| 808 #endif | 808 #endif |
| 809 | 809 |
| 810 | 810 |
| 811 } } // namespace v8::internal | 811 } } // namespace v8::internal |
| 812 | 812 |
| 813 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_ | 813 #endif // V8_IA32_MACRO_ASSEMBLER_IA32_H_ |
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