| OLD | NEW |
| 1 // Copyright 2006-2009 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2009 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 |
| (...skipping 444 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 455 // relocation information. If any of these constraints are violated it causes | 455 // relocation information. If any of these constraints are violated it causes |
| 456 // an assertion to fail. | 456 // an assertion to fail. |
| 457 class CodePatcher { | 457 class CodePatcher { |
| 458 public: | 458 public: |
| 459 CodePatcher(byte* address, int instructions); | 459 CodePatcher(byte* address, int instructions); |
| 460 virtual ~CodePatcher(); | 460 virtual ~CodePatcher(); |
| 461 | 461 |
| 462 // Macro assembler to emit code. | 462 // Macro assembler to emit code. |
| 463 MacroAssembler* masm() { return &masm_; } | 463 MacroAssembler* masm() { return &masm_; } |
| 464 | 464 |
| 465 // Emit an instruction directly. | |
| 466 void Emit(Instr x); | |
| 467 | |
| 468 // Emit an address directly. | 465 // Emit an address directly. |
| 469 void Emit(Address addr); | 466 void Emit(Address addr); |
| 470 | 467 |
| 471 private: | 468 private: |
| 472 byte* address_; // The address of the code being patched. | 469 byte* address_; // The address of the code being patched. |
| 473 int instructions_; // Number of instructions of the expected patch size. | 470 int instructions_; // Number of instructions of the expected patch size. |
| 474 int size_; // Number of bytes of the expected patch size. | 471 int size_; // Number of bytes of the expected patch size. |
| 475 MacroAssembler masm_; // Macro assembler used to generate the code. | 472 MacroAssembler masm_; // Macro assembler used to generate the code. |
| 476 }; | 473 }; |
| 477 #endif // ENABLE_DEBUGGER_SUPPORT | 474 #endif // ENABLE_DEBUGGER_SUPPORT |
| 478 | 475 |
| 479 | 476 |
| 480 // ----------------------------------------------------------------------------- | 477 // ----------------------------------------------------------------------------- |
| 481 // Static helper functions. | 478 // Static helper functions. |
| 482 | 479 |
| 483 #ifdef GENERATED_CODE_COVERAGE | 480 #ifdef GENERATED_CODE_COVERAGE |
| 484 #define CODE_COVERAGE_STRINGIFY(x) #x | 481 #define CODE_COVERAGE_STRINGIFY(x) #x |
| 485 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) | 482 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) |
| 486 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 483 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
| 487 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 484 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
| 488 #else | 485 #else |
| 489 #define ACCESS_MASM(masm) masm-> | 486 #define ACCESS_MASM(masm) masm-> |
| 490 #endif | 487 #endif |
| 491 | 488 |
| 492 | 489 |
| 493 } } // namespace v8::internal | 490 } } // namespace v8::internal |
| 494 | 491 |
| 495 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ | 492 #endif // V8_ARM_MACRO_ASSEMBLER_ARM_H_ |
| OLD | NEW |