Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef ART_COMPILER_UTILS_X86_64_JNI_MACRO_ASSEMBLER_X86_64_H_ |
| 18 | #define ART_COMPILER_UTILS_X86_64_JNI_MACRO_ASSEMBLER_X86_64_H_ |
| 19 | |
| 20 | #include <vector> |
| 21 | |
| 22 | #include "assembler_x86_64.h" |
| 23 | #include "base/arena_containers.h" |
David Brazdil | d9c9037 | 2016-09-14 16:53:55 +0100 | [diff] [blame] | 24 | #include "base/array_ref.h" |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 25 | #include "base/enums.h" |
| 26 | #include "base/macros.h" |
| 27 | #include "offsets.h" |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 28 | #include "utils/assembler.h" |
| 29 | #include "utils/jni_macro_assembler.h" |
| 30 | |
| 31 | namespace art { |
| 32 | namespace x86_64 { |
| 33 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 34 | class X86_64JNIMacroAssembler final : public JNIMacroAssemblerFwd<X86_64Assembler, |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 35 | PointerSize::k64> { |
| 36 | public: |
Vladimir Marko | e764d2e | 2017-10-05 14:35:55 +0100 | [diff] [blame] | 37 | explicit X86_64JNIMacroAssembler(ArenaAllocator* allocator) |
| 38 | : JNIMacroAssemblerFwd<X86_64Assembler, PointerSize::k64>(allocator) {} |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 39 | virtual ~X86_64JNIMacroAssembler() {} |
| 40 | |
| 41 | // |
| 42 | // Overridden common assembler high-level functionality |
| 43 | // |
| 44 | |
| 45 | // Emit code that will create an activation on the stack |
| 46 | void BuildFrame(size_t frame_size, |
| 47 | ManagedRegister method_reg, |
| 48 | ArrayRef<const ManagedRegister> callee_save_regs, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 49 | const ManagedRegisterEntrySpills& entry_spills) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 50 | |
| 51 | // Emit code that will remove an activation from the stack |
Roland Levillain | 0d127e1 | 2017-07-05 17:01:11 +0100 | [diff] [blame] | 52 | void RemoveFrame(size_t frame_size, |
| 53 | ArrayRef<const ManagedRegister> callee_save_regs, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 54 | bool may_suspend) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 55 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 56 | void IncreaseFrameSize(size_t adjust) override; |
| 57 | void DecreaseFrameSize(size_t adjust) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 58 | |
| 59 | // Store routines |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 60 | void Store(FrameOffset offs, ManagedRegister src, size_t size) override; |
| 61 | void StoreRef(FrameOffset dest, ManagedRegister src) override; |
| 62 | void StoreRawPtr(FrameOffset dest, ManagedRegister src) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 63 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 64 | void StoreImmediateToFrame(FrameOffset dest, uint32_t imm, ManagedRegister scratch) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 65 | |
| 66 | void StoreStackOffsetToThread(ThreadOffset64 thr_offs, |
| 67 | FrameOffset fr_offs, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 68 | ManagedRegister scratch) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 69 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 70 | void StoreStackPointerToThread(ThreadOffset64 thr_offs) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 71 | |
| 72 | void StoreSpanning(FrameOffset dest, |
| 73 | ManagedRegister src, |
| 74 | FrameOffset in_off, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 75 | ManagedRegister scratch) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 76 | |
| 77 | // Load routines |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 78 | void Load(ManagedRegister dest, FrameOffset src, size_t size) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 79 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 80 | void LoadFromThread(ManagedRegister dest, ThreadOffset64 src, size_t size) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 81 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 82 | void LoadRef(ManagedRegister dest, FrameOffset src) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 83 | |
| 84 | void LoadRef(ManagedRegister dest, |
| 85 | ManagedRegister base, |
| 86 | MemberOffset offs, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 87 | bool unpoison_reference) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 88 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 89 | void LoadRawPtr(ManagedRegister dest, ManagedRegister base, Offset offs) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 90 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 91 | void LoadRawPtrFromThread(ManagedRegister dest, ThreadOffset64 offs) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 92 | |
| 93 | // Copying routines |
Yi Kong | 3940254 | 2019-03-24 02:47:16 -0700 | [diff] [blame^] | 94 | void Move(ManagedRegister dest, ManagedRegister src, size_t size) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 95 | |
| 96 | void CopyRawPtrFromThread(FrameOffset fr_offs, |
| 97 | ThreadOffset64 thr_offs, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 98 | ManagedRegister scratch) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 99 | |
| 100 | void CopyRawPtrToThread(ThreadOffset64 thr_offs, FrameOffset fr_offs, ManagedRegister scratch) |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 101 | override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 102 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 103 | void CopyRef(FrameOffset dest, FrameOffset src, ManagedRegister scratch) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 104 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 105 | void Copy(FrameOffset dest, FrameOffset src, ManagedRegister scratch, size_t size) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 106 | |
| 107 | void Copy(FrameOffset dest, |
| 108 | ManagedRegister src_base, |
| 109 | Offset src_offset, |
| 110 | ManagedRegister scratch, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 111 | size_t size) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 112 | |
| 113 | void Copy(ManagedRegister dest_base, |
| 114 | Offset dest_offset, |
| 115 | FrameOffset src, |
| 116 | ManagedRegister scratch, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 117 | size_t size) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 118 | |
| 119 | void Copy(FrameOffset dest, |
| 120 | FrameOffset src_base, |
| 121 | Offset src_offset, |
| 122 | ManagedRegister scratch, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 123 | size_t size) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 124 | |
| 125 | void Copy(ManagedRegister dest, |
| 126 | Offset dest_offset, |
| 127 | ManagedRegister src, |
| 128 | Offset src_offset, |
| 129 | ManagedRegister scratch, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 130 | size_t size) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 131 | |
| 132 | void Copy(FrameOffset dest, |
| 133 | Offset dest_offset, |
| 134 | FrameOffset src, |
| 135 | Offset src_offset, |
| 136 | ManagedRegister scratch, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 137 | size_t size) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 138 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 139 | void MemoryBarrier(ManagedRegister) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 140 | |
| 141 | // Sign extension |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 142 | void SignExtend(ManagedRegister mreg, size_t size) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 143 | |
| 144 | // Zero extension |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 145 | void ZeroExtend(ManagedRegister mreg, size_t size) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 146 | |
| 147 | // Exploit fast access in managed code to Thread::Current() |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 148 | void GetCurrentThread(ManagedRegister tr) override; |
| 149 | void GetCurrentThread(FrameOffset dest_offset, ManagedRegister scratch) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 150 | |
| 151 | // Set up out_reg to hold a Object** into the handle scope, or to be null if the |
| 152 | // value is null and null_allowed. in_reg holds a possibly stale reference |
| 153 | // that can be used to avoid loading the handle scope entry to see if the value is |
| 154 | // null. |
| 155 | void CreateHandleScopeEntry(ManagedRegister out_reg, |
| 156 | FrameOffset handlescope_offset, |
| 157 | ManagedRegister in_reg, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 158 | bool null_allowed) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 159 | |
| 160 | // Set up out_off to hold a Object** into the handle scope, or to be null if the |
| 161 | // value is null and null_allowed. |
| 162 | void CreateHandleScopeEntry(FrameOffset out_off, |
| 163 | FrameOffset handlescope_offset, |
| 164 | ManagedRegister scratch, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 165 | bool null_allowed) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 166 | |
| 167 | // src holds a handle scope entry (Object**) load this into dst |
Roland Levillain | f73caca | 2018-08-24 17:19:07 +0100 | [diff] [blame] | 168 | void LoadReferenceFromHandleScope(ManagedRegister dst, ManagedRegister src) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 169 | |
| 170 | // Heap::VerifyObject on src. In some cases (such as a reference to this) we |
| 171 | // know that src may not be null. |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 172 | void VerifyObject(ManagedRegister src, bool could_be_null) override; |
| 173 | void VerifyObject(FrameOffset src, bool could_be_null) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 174 | |
| 175 | // Call to address held at [base+offset] |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 176 | void Call(ManagedRegister base, Offset offset, ManagedRegister scratch) override; |
| 177 | void Call(FrameOffset base, Offset offset, ManagedRegister scratch) override; |
| 178 | void CallFromThread(ThreadOffset64 offset, ManagedRegister scratch) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 179 | |
| 180 | // Generate code to check if Thread::Current()->exception_ is non-null |
| 181 | // and branch to a ExceptionSlowPath if it is. |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 182 | void ExceptionPoll(ManagedRegister scratch, size_t stack_adjust) override; |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 183 | |
Igor Murashkin | ae7ff92 | 2016-10-06 14:59:19 -0700 | [diff] [blame] | 184 | // Create a new label that can be used with Jump/Bind calls. |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 185 | std::unique_ptr<JNIMacroLabel> CreateLabel() override; |
Igor Murashkin | ae7ff92 | 2016-10-06 14:59:19 -0700 | [diff] [blame] | 186 | // Emit an unconditional jump to the label. |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 187 | void Jump(JNIMacroLabel* label) override; |
Igor Murashkin | ae7ff92 | 2016-10-06 14:59:19 -0700 | [diff] [blame] | 188 | // Emit a conditional jump to the label by applying a unary condition test to the register. |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 189 | void Jump(JNIMacroLabel* label, JNIMacroUnaryCondition cond, ManagedRegister test) override; |
Igor Murashkin | ae7ff92 | 2016-10-06 14:59:19 -0700 | [diff] [blame] | 190 | // Code at this offset will serve as the target for the Jump call. |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 191 | void Bind(JNIMacroLabel* label) override; |
Igor Murashkin | ae7ff92 | 2016-10-06 14:59:19 -0700 | [diff] [blame] | 192 | |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 193 | private: |
| 194 | DISALLOW_COPY_AND_ASSIGN(X86_64JNIMacroAssembler); |
| 195 | }; |
| 196 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 197 | class X86_64JNIMacroLabel final |
Igor Murashkin | ae7ff92 | 2016-10-06 14:59:19 -0700 | [diff] [blame] | 198 | : public JNIMacroLabelCommon<X86_64JNIMacroLabel, |
| 199 | art::Label, |
Vladimir Marko | 33bff25 | 2017-11-01 14:35:42 +0000 | [diff] [blame] | 200 | InstructionSet::kX86_64> { |
Igor Murashkin | ae7ff92 | 2016-10-06 14:59:19 -0700 | [diff] [blame] | 201 | public: |
| 202 | art::Label* AsX86_64() { |
| 203 | return AsPlatformLabel(); |
| 204 | } |
| 205 | }; |
| 206 | |
Andreas Gampe | 1ace16b | 2016-08-05 09:01:50 -0700 | [diff] [blame] | 207 | } // namespace x86_64 |
| 208 | } // namespace art |
| 209 | |
| 210 | #endif // ART_COMPILER_UTILS_X86_64_JNI_MACRO_ASSEMBLER_X86_64_H_ |