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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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1407 // Helper for throwing exceptions. Compute a handler address and jump to | 1407 // Helper for throwing exceptions. Compute a handler address and jump to |
1408 // it. See the implementation for register usage. | 1408 // it. See the implementation for register usage. |
1409 void JumpToHandlerEntry(); | 1409 void JumpToHandlerEntry(); |
1410 | 1410 |
1411 // Compute memory operands for safepoint stack slots. | 1411 // Compute memory operands for safepoint stack slots. |
1412 Operand SafepointRegisterSlot(Register reg); | 1412 Operand SafepointRegisterSlot(Register reg); |
1413 static int SafepointRegisterStackIndex(int reg_code) { | 1413 static int SafepointRegisterStackIndex(int reg_code) { |
1414 return kNumSafepointRegisters - kSafepointPushRegisterIndices[reg_code] - 1; | 1414 return kNumSafepointRegisters - kSafepointPushRegisterIndices[reg_code] - 1; |
1415 } | 1415 } |
1416 | 1416 |
1417 // Needs access to SafepointRegisterStackIndex for compiled frame | 1417 // Needs access to SafepointRegisterStackIndex for optimized frame |
1418 // traversal. | 1418 // traversal. |
1419 friend class CompiledFrame; | 1419 friend class OptimizedFrame; |
1420 }; | 1420 }; |
1421 | 1421 |
1422 | 1422 |
1423 // The code patcher is used to patch (typically) small parts of code e.g. for | 1423 // The code patcher is used to patch (typically) small parts of code e.g. for |
1424 // debugging and other types of instrumentation. When using the code patcher | 1424 // debugging and other types of instrumentation. When using the code patcher |
1425 // the exact number of bytes specified must be emitted. Is not legal to emit | 1425 // the exact number of bytes specified must be emitted. Is not legal to emit |
1426 // relocation information. If any of these constraints are violated it causes | 1426 // relocation information. If any of these constraints are violated it causes |
1427 // an assertion. | 1427 // an assertion. |
1428 class CodePatcher { | 1428 class CodePatcher { |
1429 public: | 1429 public: |
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1497 masm->popfd(); \ | 1497 masm->popfd(); \ |
1498 } \ | 1498 } \ |
1499 masm-> | 1499 masm-> |
1500 #else | 1500 #else |
1501 #define ACCESS_MASM(masm) masm-> | 1501 #define ACCESS_MASM(masm) masm-> |
1502 #endif | 1502 #endif |
1503 | 1503 |
1504 } } // namespace v8::internal | 1504 } } // namespace v8::internal |
1505 | 1505 |
1506 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ | 1506 #endif // V8_X64_MACRO_ASSEMBLER_X64_H_ |
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