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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_ARM64_INSTRUCTIONS_ARM64_H_ | 5 #ifndef V8_ARM64_INSTRUCTIONS_ARM64_H_ |
6 #define V8_ARM64_INSTRUCTIONS_ARM64_H_ | 6 #define V8_ARM64_INSTRUCTIONS_ARM64_H_ |
7 | 7 |
8 #include "src/globals.h" | 8 #include "src/globals.h" |
9 #include "src/utils.h" | 9 #include "src/utils.h" |
10 #include "src/arm64/constants-arm64.h" | 10 #include "src/arm64/constants-arm64.h" |
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346 | 346 |
347 static bool IsValidImmPCOffset(ImmBranchType branch_type, int32_t offset); | 347 static bool IsValidImmPCOffset(ImmBranchType branch_type, int32_t offset); |
348 bool IsTargetInImmPCOffsetRange(Instruction* target); | 348 bool IsTargetInImmPCOffsetRange(Instruction* target); |
349 // Patch a PC-relative offset to refer to 'target'. 'this' may be a branch or | 349 // Patch a PC-relative offset to refer to 'target'. 'this' may be a branch or |
350 // a PC-relative addressing instruction. | 350 // a PC-relative addressing instruction. |
351 void SetImmPCOffsetTarget(Instruction* target); | 351 void SetImmPCOffsetTarget(Instruction* target); |
352 // Patch a literal load instruction to load from 'source'. | 352 // Patch a literal load instruction to load from 'source'. |
353 void SetImmLLiteral(Instruction* source); | 353 void SetImmLLiteral(Instruction* source); |
354 | 354 |
355 uint8_t* LiteralAddress() { | 355 uint8_t* LiteralAddress() { |
356 int offset = ImmLLiteral() << kLiteralEntrySizeLog2; | 356 int offset = ImmLLiteral() << kLoadLiteralScaleLog2; |
357 return reinterpret_cast<uint8_t*>(this) + offset; | 357 return reinterpret_cast<uint8_t*>(this) + offset; |
358 } | 358 } |
359 | 359 |
360 enum CheckAlignment { NO_CHECK, CHECK_ALIGNMENT }; | 360 enum CheckAlignment { NO_CHECK, CHECK_ALIGNMENT }; |
361 | 361 |
362 V8_INLINE Instruction* InstructionAtOffset( | 362 V8_INLINE Instruction* InstructionAtOffset( |
363 int64_t offset, | 363 int64_t offset, |
364 CheckAlignment check = CHECK_ALIGNMENT) { | 364 CheckAlignment check = CHECK_ALIGNMENT) { |
365 Address addr = reinterpret_cast<Address>(this) + offset; | 365 Address addr = reinterpret_cast<Address>(this) + offset; |
366 // The FUZZ_disasm test relies on no check being done. | 366 // The FUZZ_disasm test relies on no check being done. |
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500 TRACE_ENABLE = 1 << 6, | 500 TRACE_ENABLE = 1 << 6, |
501 TRACE_DISABLE = 2 << 6, | 501 TRACE_DISABLE = 2 << 6, |
502 TRACE_OVERRIDE = 3 << 6 | 502 TRACE_OVERRIDE = 3 << 6 |
503 }; | 503 }; |
504 | 504 |
505 | 505 |
506 } } // namespace v8::internal | 506 } } // namespace v8::internal |
507 | 507 |
508 | 508 |
509 #endif // V8_ARM64_INSTRUCTIONS_ARM64_H_ | 509 #endif // V8_ARM64_INSTRUCTIONS_ARM64_H_ |
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