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comparison: js/src/jit/Recover.h
js/src/jit/Recover.h
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| -1:000000000000 | 0:4b6483fe6b30 |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * vim: set ts=8 sts=4 et sw=4 tw=99: | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #ifndef jit_Recover_h | |
| 8 #define jit_Recover_h | |
| 9 | |
| 10 #include "mozilla/Attributes.h" | |
| 11 | |
| 12 #include "jit/Snapshots.h" | |
| 13 | |
| 14 namespace js { | |
| 15 namespace jit { | |
| 16 | |
| 17 class RResumePoint; | |
| 18 | |
| 19 class RInstruction | |
| 20 { | |
| 21 public: | |
| 22 enum Opcode | |
| 23 { | |
| 24 Recover_ResumePoint = 0 | |
| 25 }; | |
| 26 | |
| 27 virtual Opcode opcode() const = 0; | |
| 28 | |
| 29 bool isResumePoint() const { | |
| 30 return opcode() == Recover_ResumePoint; | |
| 31 } | |
| 32 inline const RResumePoint *toResumePoint() const; | |
| 33 | |
| 34 virtual uint32_t numOperands() const = 0; | |
| 35 | |
| 36 static void readRecoverData(CompactBufferReader &reader, RInstructionStorage *raw); | |
| 37 }; | |
| 38 | |
| 39 class RResumePoint MOZ_FINAL : public RInstruction | |
| 40 { | |
| 41 private: | |
| 42 uint32_t pcOffset_; // Offset from script->code. | |
| 43 uint32_t numOperands_; // Number of slots. | |
| 44 | |
| 45 friend class RInstruction; | |
| 46 RResumePoint(CompactBufferReader &reader); | |
| 47 | |
| 48 public: | |
| 49 virtual Opcode opcode() const { | |
| 50 return Recover_ResumePoint; | |
| 51 } | |
| 52 | |
| 53 uint32_t pcOffset() const { | |
| 54 return pcOffset_; | |
| 55 } | |
| 56 virtual uint32_t numOperands() const { | |
| 57 return numOperands_; | |
| 58 } | |
| 59 }; | |
| 60 | |
| 61 const RResumePoint * | |
| 62 RInstruction::toResumePoint() const | |
| 63 { | |
| 64 MOZ_ASSERT(isResumePoint()); | |
| 65 return static_cast<const RResumePoint *>(this); | |
| 66 } | |
| 67 | |
| 68 } | |
| 69 } | |
| 70 | |
| 71 #endif /* jit_Recover_h */ |
