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1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
2 // All Rights Reserved. | 2 // All Rights Reserved. |
3 // | 3 // |
4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
5 // modification, are permitted provided that the following conditions are | 5 // modification, are permitted provided that the following conditions are |
6 // met: | 6 // met: |
7 // | 7 // |
8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
10 // | 10 // |
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578 | 578 |
579 // Difference between address of current opcode and value read from pc | 579 // Difference between address of current opcode and value read from pc |
580 // register. | 580 // register. |
581 static const int kPcLoadDelta = 4; | 581 static const int kPcLoadDelta = 4; |
582 | 582 |
583 static const int kPatchDebugBreakSlotReturnOffset = 6 * kInstrSize; | 583 static const int kPatchDebugBreakSlotReturnOffset = 6 * kInstrSize; |
584 | 584 |
585 // Number of instructions used for the JS return sequence. The constant is | 585 // Number of instructions used for the JS return sequence. The constant is |
586 // used by the debugger to patch the JS return sequence. | 586 // used by the debugger to patch the JS return sequence. |
587 static const int kJSReturnSequenceInstructions = 7; | 587 static const int kJSReturnSequenceInstructions = 7; |
| 588 static const int kJSReturnSequenceLength = |
| 589 kJSReturnSequenceInstructions * kInstrSize; |
588 static const int kDebugBreakSlotInstructions = 6; | 590 static const int kDebugBreakSlotInstructions = 6; |
589 static const int kDebugBreakSlotLength = | 591 static const int kDebugBreakSlotLength = |
590 kDebugBreakSlotInstructions * kInstrSize; | 592 kDebugBreakSlotInstructions * kInstrSize; |
591 | 593 |
592 | 594 |
593 // --------------------------------------------------------------------------- | 595 // --------------------------------------------------------------------------- |
594 // Code generation. | 596 // Code generation. |
595 | 597 |
596 // Insert the smallest number of nop instructions | 598 // Insert the smallest number of nop instructions |
597 // possible to align the pc offset to a multiple | 599 // possible to align the pc offset to a multiple |
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1428 class EnsureSpace BASE_EMBEDDED { | 1430 class EnsureSpace BASE_EMBEDDED { |
1429 public: | 1431 public: |
1430 explicit EnsureSpace(Assembler* assembler) { | 1432 explicit EnsureSpace(Assembler* assembler) { |
1431 assembler->CheckBuffer(); | 1433 assembler->CheckBuffer(); |
1432 } | 1434 } |
1433 }; | 1435 }; |
1434 | 1436 |
1435 } } // namespace v8::internal | 1437 } } // namespace v8::internal |
1436 | 1438 |
1437 #endif // V8_ARM_ASSEMBLER_MIPS_H_ | 1439 #endif // V8_ARM_ASSEMBLER_MIPS_H_ |
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