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comparison: js/src/jit/mips/Bailouts-mips.h
js/src/jit/mips/Bailouts-mips.h
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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_mips_Bailouts_mips_h | |
| 8 #define jit_mips_Bailouts_mips_h | |
| 9 | |
| 10 #include "jit/Bailouts.h" | |
| 11 #include "jit/JitCompartment.h" | |
| 12 | |
| 13 namespace js { | |
| 14 namespace jit { | |
| 15 | |
| 16 class BailoutStack | |
| 17 { | |
| 18 uintptr_t frameClassId_; | |
| 19 // This is pushed in the bailout handler. Both entry points into the | |
| 20 // handler inserts their own value int lr, which is then placed onto the | |
| 21 // stack along with frameClassId_ above. This should be migrated to ip. | |
| 22 public: | |
| 23 union { | |
| 24 uintptr_t frameSize_; | |
| 25 uintptr_t tableOffset_; | |
| 26 }; | |
| 27 | |
| 28 protected: | |
| 29 mozilla::Array<double, FloatRegisters::Total> fpregs_; | |
| 30 mozilla::Array<uintptr_t, Registers::Total> regs_; | |
| 31 | |
| 32 uintptr_t snapshotOffset_; | |
| 33 uintptr_t padding_; | |
| 34 | |
| 35 public: | |
| 36 FrameSizeClass frameClass() const { | |
| 37 return FrameSizeClass::FromClass(frameClassId_); | |
| 38 } | |
| 39 uintptr_t tableOffset() const { | |
| 40 MOZ_ASSERT(frameClass() != FrameSizeClass::None()); | |
| 41 return tableOffset_; | |
| 42 } | |
| 43 uint32_t frameSize() const { | |
| 44 if (frameClass() == FrameSizeClass::None()) | |
| 45 return frameSize_; | |
| 46 return frameClass().frameSize(); | |
| 47 } | |
| 48 MachineState machine() { | |
| 49 return MachineState::FromBailout(regs_, fpregs_); | |
| 50 } | |
| 51 SnapshotOffset snapshotOffset() const { | |
| 52 MOZ_ASSERT(frameClass() == FrameSizeClass::None()); | |
| 53 return snapshotOffset_; | |
| 54 } | |
| 55 uint8_t *parentStackPointer() const { | |
| 56 if (frameClass() == FrameSizeClass::None()) | |
| 57 return (uint8_t *)this + sizeof(BailoutStack); | |
| 58 return (uint8_t *)this + offsetof(BailoutStack, snapshotOffset_); | |
| 59 } | |
| 60 static size_t offsetOfFrameClass() { | |
| 61 return offsetof(BailoutStack, frameClassId_); | |
| 62 } | |
| 63 static size_t offsetOfFrameSize() { | |
| 64 return offsetof(BailoutStack, frameSize_); | |
| 65 } | |
| 66 static size_t offsetOfFpRegs() { | |
| 67 return offsetof(BailoutStack, fpregs_); | |
| 68 } | |
| 69 static size_t offsetOfRegs() { | |
| 70 return offsetof(BailoutStack, regs_); | |
| 71 } | |
| 72 }; | |
| 73 | |
| 74 } // namespace jit | |
| 75 } // namespace js | |
| 76 | |
| 77 #endif /* jit_mips_Bailouts_mips_h */ |
