Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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 | |
Vladimir Marko | 6d66fcf | 2018-04-12 13:15:27 +0100 | [diff] [blame] | 17 | #ifndef ART_DEX2OAT_LINKER_ARM64_RELATIVE_PATCHER_ARM64_H_ |
| 18 | #define ART_DEX2OAT_LINKER_ARM64_RELATIVE_PATCHER_ARM64_H_ |
Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 19 | |
David Brazdil | d9c9037 | 2016-09-14 16:53:55 +0100 | [diff] [blame] | 20 | #include "base/array_ref.h" |
Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 21 | #include "linker/arm/relative_patcher_arm_base.h" |
Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 22 | |
| 23 | namespace art { |
Vladimir Marko | 0a51fc3 | 2017-05-02 13:12:02 +0100 | [diff] [blame] | 24 | |
| 25 | namespace arm64 { |
| 26 | class Arm64Assembler; |
| 27 | } // namespace arm64 |
| 28 | |
Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 29 | namespace linker { |
| 30 | |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 31 | class Arm64RelativePatcher final : public ArmBaseRelativePatcher { |
Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 32 | public: |
Vladimir Marko | ca1e038 | 2018-04-11 09:58:41 +0000 | [diff] [blame] | 33 | Arm64RelativePatcher(RelativePatcherThunkProvider* thunk_provider, |
| 34 | RelativePatcherTargetProvider* target_provider, |
Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 35 | const Arm64InstructionSetFeatures* features); |
| 36 | |
Vladimir Marko | 944da60 | 2016-02-19 12:27:55 +0000 | [diff] [blame] | 37 | uint32_t ReserveSpace(uint32_t offset, |
| 38 | const CompiledMethod* compiled_method, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 39 | MethodReference method_ref) override; |
| 40 | uint32_t ReserveSpaceEnd(uint32_t offset) override; |
| 41 | uint32_t WriteThunks(OutputStream* out, uint32_t offset) override; |
Vladimir Marko | 944da60 | 2016-02-19 12:27:55 +0000 | [diff] [blame] | 42 | void PatchCall(std::vector<uint8_t>* code, |
| 43 | uint32_t literal_offset, |
| 44 | uint32_t patch_offset, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 45 | uint32_t target_offset) override; |
Vladimir Marko | cac5a7e | 2016-02-22 10:39:50 +0000 | [diff] [blame] | 46 | void PatchPcRelativeReference(std::vector<uint8_t>* code, |
| 47 | const LinkerPatch& patch, |
| 48 | uint32_t patch_offset, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 49 | uint32_t target_offset) override; |
Vladimir Marko | f667508 | 2019-05-17 12:05:28 +0100 | [diff] [blame] | 50 | void PatchEntrypointCall(std::vector<uint8_t>* code, |
| 51 | const LinkerPatch& patch, |
| 52 | uint32_t patch_offset) override; |
Vladimir Marko | f4f2daa | 2017-03-20 18:26:59 +0000 | [diff] [blame] | 53 | void PatchBakerReadBarrierBranch(std::vector<uint8_t>* code, |
| 54 | const LinkerPatch& patch, |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 55 | uint32_t patch_offset) override; |
Vladimir Marko | f4f2daa | 2017-03-20 18:26:59 +0000 | [diff] [blame] | 56 | |
| 57 | protected: |
Roland Levillain | bbc6e7e | 2018-08-24 16:58:47 +0100 | [diff] [blame] | 58 | uint32_t MaxPositiveDisplacement(const ThunkKey& key) override; |
| 59 | uint32_t MaxNegativeDisplacement(const ThunkKey& key) override; |
Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 60 | |
| 61 | private: |
Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 62 | static uint32_t PatchAdrp(uint32_t adrp, uint32_t disp); |
Vladimir Marko | f667508 | 2019-05-17 12:05:28 +0100 | [diff] [blame] | 63 | static void PatchBl(std::vector<uint8_t>* code, uint32_t literal_offset, uint32_t displacement); |
Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 64 | |
| 65 | static bool NeedsErratum843419Thunk(ArrayRef<const uint8_t> code, uint32_t literal_offset, |
| 66 | uint32_t patch_offset); |
Vladimir Marko | f667508 | 2019-05-17 12:05:28 +0100 | [diff] [blame] | 67 | static void SetInsn(std::vector<uint8_t>* code, uint32_t offset, uint32_t value); |
Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 68 | static uint32_t GetInsn(ArrayRef<const uint8_t> code, uint32_t offset); |
| 69 | |
| 70 | template <typename Alloc> |
| 71 | static uint32_t GetInsn(std::vector<uint8_t, Alloc>* code, uint32_t offset); |
| 72 | |
Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 73 | const bool fix_cortex_a53_843419_; |
| 74 | // Map original patch_offset to thunk offset. |
| 75 | std::vector<std::pair<uint32_t, uint32_t>> adrp_thunk_locations_; |
| 76 | size_t reserved_adrp_thunks_; |
| 77 | size_t processed_adrp_thunks_; |
| 78 | std::vector<uint8_t> current_method_thunks_; |
| 79 | |
Vladimir Marko | f4f2daa | 2017-03-20 18:26:59 +0000 | [diff] [blame] | 80 | friend class Arm64RelativePatcherTest; |
| 81 | |
Vladimir Marko | b163bb7 | 2015-03-31 21:49:49 +0100 | [diff] [blame] | 82 | DISALLOW_COPY_AND_ASSIGN(Arm64RelativePatcher); |
| 83 | }; |
| 84 | |
| 85 | } // namespace linker |
| 86 | } // namespace art |
| 87 | |
Vladimir Marko | 6d66fcf | 2018-04-12 13:15:27 +0100 | [diff] [blame] | 88 | #endif // ART_DEX2OAT_LINKER_ARM64_RELATIVE_PATCHER_ARM64_H_ |