1 /* 2 * Copyright (C) 2017 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 _LIBUNWINDSTACK_DWARF_DEBUG_FRAME_H 18 #define _LIBUNWINDSTACK_DWARF_DEBUG_FRAME_H 19 20 #include <stdint.h> 21 22 #include <vector> 23 24 #include <unwindstack/DwarfSection.h> 25 26 namespace unwindstack { 27 28 template <typename AddressType> 29 class DwarfDebugFrame : public DwarfSectionImplNoHdr<AddressType> { 30 public: DwarfDebugFrame(Memory * memory)31 DwarfDebugFrame(Memory* memory) : DwarfSectionImplNoHdr<AddressType>(memory) { 32 this->cie32_value_ = static_cast<uint32_t>(-1); 33 this->cie64_value_ = static_cast<uint64_t>(-1); 34 } 35 virtual ~DwarfDebugFrame() = default; 36 GetCieOffsetFromFde32(uint32_t pointer)37 uint64_t GetCieOffsetFromFde32(uint32_t pointer) override { 38 return this->entries_offset_ + pointer; 39 } 40 GetCieOffsetFromFde64(uint64_t pointer)41 uint64_t GetCieOffsetFromFde64(uint64_t pointer) override { 42 return this->entries_offset_ + pointer; 43 } 44 AdjustPcFromFde(uint64_t pc)45 uint64_t AdjustPcFromFde(uint64_t pc) override { return pc; } 46 }; 47 48 } // namespace unwindstack 49 50 #endif // _LIBUNWINDSTACK_DWARF_DEBUG_FRAME_H 51