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_DEX2OAT_LINKER_MIPS_RELATIVE_PATCHER_MIPS_H_ 18 #define ART_DEX2OAT_LINKER_MIPS_RELATIVE_PATCHER_MIPS_H_ 19 20 #include "arch/mips/instruction_set_features_mips.h" 21 #include "linker/relative_patcher.h" 22 23 namespace art { 24 namespace linker { 25 26 class MipsRelativePatcher final : public RelativePatcher { 27 public: MipsRelativePatcher(const MipsInstructionSetFeatures * features)28 explicit MipsRelativePatcher(const MipsInstructionSetFeatures* features) 29 : is_r6(features->IsR6()) {} 30 31 uint32_t ReserveSpace(uint32_t offset, 32 const CompiledMethod* compiled_method, 33 MethodReference method_ref) override; 34 uint32_t ReserveSpaceEnd(uint32_t offset) override; 35 uint32_t WriteThunks(OutputStream* out, uint32_t offset) override; 36 void PatchCall(std::vector<uint8_t>* code, 37 uint32_t literal_offset, 38 uint32_t patch_offset, 39 uint32_t target_offset) override; 40 void PatchPcRelativeReference(std::vector<uint8_t>* code, 41 const LinkerPatch& patch, 42 uint32_t patch_offset, 43 uint32_t target_offset) override; 44 void PatchBakerReadBarrierBranch(std::vector<uint8_t>* code, 45 const LinkerPatch& patch, 46 uint32_t patch_offset) override; 47 std::vector<debug::MethodDebugInfo> GenerateThunkDebugInfo(uint32_t executable_offset) override; 48 49 private: 50 bool is_r6; 51 52 DISALLOW_COPY_AND_ASSIGN(MipsRelativePatcher); 53 }; 54 55 } // namespace linker 56 } // namespace art 57 58 #endif // ART_DEX2OAT_LINKER_MIPS_RELATIVE_PATCHER_MIPS_H_ 59