Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
Roland Levillain | 4d02711 | 2015-07-01 15:41:14 +0100 | [diff] [blame] | 13 | * See the License for the specific language governing permissions and |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef ART_COMPILER_UTILS_ARM64_ASSEMBLER_ARM64_H_ |
| 18 | #define ART_COMPILER_UTILS_ARM64_ASSEMBLER_ARM64_H_ |
| 19 | |
Stuart Monteith | b95a534 | 2014-03-12 13:32:32 +0000 | [diff] [blame] | 20 | #include <stdint.h> |
Ian Rogers | 700a402 | 2014-05-19 16:49:03 -0700 | [diff] [blame] | 21 | #include <memory> |
| 22 | #include <vector> |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 23 | |
Andreas Gampe | 5794381 | 2017-12-06 21:39:13 -0800 | [diff] [blame] | 24 | #include <android-base/logging.h> |
| 25 | |
Vladimir Marko | 93205e3 | 2016-04-13 11:59:46 +0100 | [diff] [blame] | 26 | #include "base/arena_containers.h" |
Andreas Gampe | 5794381 | 2017-12-06 21:39:13 -0800 | [diff] [blame] | 27 | #include "base/macros.h" |
Andreas Gampe | 8cf9cb3 | 2017-07-19 09:28:38 -0700 | [diff] [blame] | 28 | #include "offsets.h" |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 29 | #include "utils/arm64/managed_register_arm64.h" |
| 30 | #include "utils/assembler.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 31 | |
Artem Serov | af4e42a | 2016-08-08 15:11:24 +0100 | [diff] [blame] | 32 | // TODO(VIXL): Make VIXL compile with -Wshadow. |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 33 | #pragma GCC diagnostic push |
| 34 | #pragma GCC diagnostic ignored "-Wshadow" |
Artem Serov | af4e42a | 2016-08-08 15:11:24 +0100 | [diff] [blame] | 35 | #include "aarch64/disasm-aarch64.h" |
| 36 | #include "aarch64/macro-assembler-aarch64.h" |
Andreas Gampe | 277ccbd | 2014-11-03 21:36:10 -0800 | [diff] [blame] | 37 | #pragma GCC diagnostic pop |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 38 | |
| 39 | namespace art { |
Artem Serov | aa6f483 | 2018-11-21 18:57:54 +0000 | [diff] [blame] | 40 | |
| 41 | class Arm64InstructionSetFeatures; |
| 42 | |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 43 | namespace arm64 { |
| 44 | |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 45 | #define MEM_OP(...) vixl::aarch64::MemOperand(__VA_ARGS__) |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 46 | |
| 47 | enum LoadOperandType { |
| 48 | kLoadSignedByte, |
| 49 | kLoadUnsignedByte, |
| 50 | kLoadSignedHalfword, |
| 51 | kLoadUnsignedHalfword, |
| 52 | kLoadWord, |
| 53 | kLoadCoreWord, |
| 54 | kLoadSWord, |
| 55 | kLoadDWord |
| 56 | }; |
| 57 | |
| 58 | enum StoreOperandType { |
| 59 | kStoreByte, |
| 60 | kStoreHalfword, |
| 61 | kStoreWord, |
| 62 | kStoreCoreWord, |
| 63 | kStoreSWord, |
| 64 | kStoreDWord |
| 65 | }; |
| 66 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 67 | class Arm64Assembler final : public Assembler { |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 68 | public: |
Artem Serov | aa6f483 | 2018-11-21 18:57:54 +0000 | [diff] [blame] | 69 | explicit Arm64Assembler( |
| 70 | ArenaAllocator* allocator, const Arm64InstructionSetFeatures* features = nullptr); |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 71 | |
Alexandre Rames | 087930f | 2016-08-02 13:45:28 +0100 | [diff] [blame] | 72 | virtual ~Arm64Assembler() {} |
| 73 | |
| 74 | vixl::aarch64::MacroAssembler* GetVIXLAssembler() { return &vixl_masm_; } |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 75 | |
Vladimir Marko | cf93a5c | 2015-06-16 11:33:24 +0000 | [diff] [blame] | 76 | // Finalize the code. |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 77 | void FinalizeCode() override; |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 78 | |
| 79 | // Size of generated code. |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 80 | size_t CodeSize() const override; |
| 81 | const uint8_t* CodeBufferBaseAddress() const override; |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 82 | |
| 83 | // Copy instructions out of assembly buffer into the given region of memory. |
Yi Kong | 3940254 | 2019-03-24 02:47:16 -0700 | [diff] [blame^] | 84 | void FinalizeInstructions(const MemoryRegion& region) override; |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 85 | |
Andreas Gampe | dcf3014 | 2016-08-08 16:06:34 -0700 | [diff] [blame] | 86 | void LoadRawPtr(ManagedRegister dest, ManagedRegister base, Offset offs); |
| 87 | |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 88 | void SpillRegisters(vixl::aarch64::CPURegList registers, int offset); |
| 89 | void UnspillRegisters(vixl::aarch64::CPURegList registers, int offset); |
Zheng Xu | 69a5030 | 2015-04-14 20:04:41 +0800 | [diff] [blame] | 90 | |
Andreas Gampe | c6ee54e | 2014-03-24 16:45:44 -0700 | [diff] [blame] | 91 | // Jump to address (not setting link register) |
| 92 | void JumpTo(ManagedRegister m_base, Offset offs, ManagedRegister m_scratch); |
| 93 | |
Roland Levillain | 4d02711 | 2015-07-01 15:41:14 +0100 | [diff] [blame] | 94 | // |
| 95 | // Heap poisoning. |
| 96 | // |
| 97 | |
| 98 | // Poison a heap reference contained in `reg`. |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 99 | void PoisonHeapReference(vixl::aarch64::Register reg); |
Roland Levillain | 4d02711 | 2015-07-01 15:41:14 +0100 | [diff] [blame] | 100 | // Unpoison a heap reference contained in `reg`. |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 101 | void UnpoisonHeapReference(vixl::aarch64::Register reg); |
Roland Levillain | 0b671c0 | 2016-08-19 12:02:34 +0100 | [diff] [blame] | 102 | // Poison a heap reference contained in `reg` if heap poisoning is enabled. |
| 103 | void MaybePoisonHeapReference(vixl::aarch64::Register reg); |
Roland Levillain | 4d02711 | 2015-07-01 15:41:14 +0100 | [diff] [blame] | 104 | // Unpoison a heap reference contained in `reg` if heap poisoning is enabled. |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 105 | void MaybeUnpoisonHeapReference(vixl::aarch64::Register reg); |
Roland Levillain | 4d02711 | 2015-07-01 15:41:14 +0100 | [diff] [blame] | 106 | |
Roland Levillain | 2b03a1f | 2017-06-06 16:09:59 +0100 | [diff] [blame] | 107 | // Emit code checking the status of the Marking Register, and aborting |
| 108 | // the program if MR does not match the value stored in the art::Thread |
| 109 | // object. |
| 110 | // |
| 111 | // Argument `temp` is used as a temporary register to generate code. |
| 112 | // Argument `code` is used to identify the different occurrences of |
| 113 | // MaybeGenerateMarkingRegisterCheck and is passed to the BRK instruction. |
| 114 | void GenerateMarkingRegisterCheck(vixl::aarch64::Register temp, int code = 0); |
| 115 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 116 | void Bind(Label* label ATTRIBUTE_UNUSED) override { |
Andreas Gampe | 85b62f2 | 2015-09-09 13:15:38 -0700 | [diff] [blame] | 117 | UNIMPLEMENTED(FATAL) << "Do not use Bind for ARM64"; |
| 118 | } |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 119 | void Jump(Label* label ATTRIBUTE_UNUSED) override { |
Andreas Gampe | 85b62f2 | 2015-09-09 13:15:38 -0700 | [diff] [blame] | 120 | UNIMPLEMENTED(FATAL) << "Do not use Jump for ARM64"; |
| 121 | } |
| 122 | |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 123 | static vixl::aarch64::Register reg_x(int code) { |
Alexandre Rames | 37c92df | 2014-10-17 14:35:27 +0100 | [diff] [blame] | 124 | CHECK(code < kNumberOfXRegisters) << code; |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 125 | if (code == SP) { |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 126 | return vixl::aarch64::sp; |
Serban Constantinescu | 1552373 | 2014-04-02 13:18:05 +0100 | [diff] [blame] | 127 | } else if (code == XZR) { |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 128 | return vixl::aarch64::xzr; |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 129 | } |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 130 | return vixl::aarch64::Register::GetXRegFromCode(code); |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 131 | } |
| 132 | |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 133 | static vixl::aarch64::Register reg_w(int code) { |
Alexandre Rames | 37c92df | 2014-10-17 14:35:27 +0100 | [diff] [blame] | 134 | CHECK(code < kNumberOfWRegisters) << code; |
Alexandre Rames | a304f97 | 2014-10-17 14:35:27 +0100 | [diff] [blame] | 135 | if (code == WSP) { |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 136 | return vixl::aarch64::wsp; |
Alexandre Rames | a304f97 | 2014-10-17 14:35:27 +0100 | [diff] [blame] | 137 | } else if (code == WZR) { |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 138 | return vixl::aarch64::wzr; |
Alexandre Rames | a304f97 | 2014-10-17 14:35:27 +0100 | [diff] [blame] | 139 | } |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 140 | return vixl::aarch64::Register::GetWRegFromCode(code); |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 141 | } |
| 142 | |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 143 | static vixl::aarch64::FPRegister reg_d(int code) { |
| 144 | return vixl::aarch64::FPRegister::GetDRegFromCode(code); |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 145 | } |
| 146 | |
Scott Wakeling | 97c72b7 | 2016-06-24 16:19:36 +0100 | [diff] [blame] | 147 | static vixl::aarch64::FPRegister reg_s(int code) { |
| 148 | return vixl::aarch64::FPRegister::GetSRegFromCode(code); |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 149 | } |
| 150 | |
Andreas Gampe | dcf3014 | 2016-08-08 16:06:34 -0700 | [diff] [blame] | 151 | private: |
Alexandre Rames | 087930f | 2016-08-02 13:45:28 +0100 | [diff] [blame] | 152 | // VIXL assembler. |
| 153 | vixl::aarch64::MacroAssembler vixl_masm_; |
Alexandre Rames | 5319def | 2014-10-23 10:03:10 +0100 | [diff] [blame] | 154 | |
Serban Constantinescu | 1552373 | 2014-04-02 13:18:05 +0100 | [diff] [blame] | 155 | // Used for testing. |
| 156 | friend class Arm64ManagedRegister_VixlRegisters_Test; |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 157 | }; |
| 158 | |
Serban Constantinescu | ed8dd49 | 2014-02-11 14:15:10 +0000 | [diff] [blame] | 159 | } // namespace arm64 |
| 160 | } // namespace art |
| 161 | |
| 162 | #endif // ART_COMPILER_UTILS_ARM64_ASSEMBLER_ARM64_H_ |