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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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| 592 | 592 | 
| 593 // Trampoline stub to call into native code. To call safely into native code | 593 // Trampoline stub to call into native code. To call safely into native code | 
| 594 // in the presence of compacting GC (which can move code objects) we need to | 594 // in the presence of compacting GC (which can move code objects) we need to | 
| 595 // keep the code which called into native pinned in the memory. Currently the | 595 // keep the code which called into native pinned in the memory. Currently the | 
| 596 // simplest approach is to generate such stub early enough so it can never be | 596 // simplest approach is to generate such stub early enough so it can never be | 
| 597 // moved by GC | 597 // moved by GC | 
| 598 class DirectCEntryStub: public PlatformCodeStub { | 598 class DirectCEntryStub: public PlatformCodeStub { | 
| 599  public: | 599  public: | 
| 600   DirectCEntryStub() {} | 600   DirectCEntryStub() {} | 
| 601   void Generate(MacroAssembler* masm); | 601   void Generate(MacroAssembler* masm); | 
|  | 602   void GenerateCall(MacroAssembler* masm, | 
|  | 603                                 ExternalReference function); | 
| 602   void GenerateCall(MacroAssembler* masm, Register target); | 604   void GenerateCall(MacroAssembler* masm, Register target); | 
| 603 | 605 | 
| 604  private: | 606  private: | 
| 605   Major MajorKey() { return DirectCEntry; } | 607   Major MajorKey() { return DirectCEntry; } | 
| 606   int MinorKey() { return 0; } | 608   int MinorKey() { return 0; } | 
| 607 | 609 | 
| 608   bool NeedsImmovableCode() { return true; } | 610   bool NeedsImmovableCode() { return true; } | 
| 609 }; | 611 }; | 
| 610 | 612 | 
| 611 class FloatingPointHelper : public AllStatic { | 613 class FloatingPointHelper : public AllStatic { | 
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| 768 | 770 | 
| 769   class LookupModeBits: public BitField<LookupMode, 0, 1> {}; | 771   class LookupModeBits: public BitField<LookupMode, 0, 1> {}; | 
| 770 | 772 | 
| 771   LookupMode mode_; | 773   LookupMode mode_; | 
| 772 }; | 774 }; | 
| 773 | 775 | 
| 774 | 776 | 
| 775 } }  // namespace v8::internal | 777 } }  // namespace v8::internal | 
| 776 | 778 | 
| 777 #endif  // V8_MIPS_CODE_STUBS_ARM_H_ | 779 #endif  // V8_MIPS_CODE_STUBS_ARM_H_ | 
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