/*

 * Copyright (C) 2016 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#pragma once

#include <stdint.h>

#include <memory>

#include <unwindstack/DwarfSection.h>

#include <unwindstack/Memory.h>

namespace unwindstack {

template <typename AddressType>

class DwarfEhFrame : public DwarfSectionImpl<AddressType> {

 public:

  DwarfEhFrame(std::shared_ptr<Memory>& memory) : DwarfSectionImpl<AddressType>(memory) {}

Unexecuted instantiation: unwindstack::DwarfEhFrame<unsigned int>::DwarfEhFrame(std::__1::shared_ptr<unwindstack::Memory>&)

unwindstack::DwarfEhFrame<unsigned long>::DwarfEhFrame(std::__1::shared_ptr<unwindstack::Memory>&)

Line

Count

Source

31

325

  DwarfEhFrame(std::shared_ptr<Memory>& memory) : DwarfSectionImpl<AddressType>(memory) {}

  virtual ~DwarfEhFrame() = default;

  uint64_t GetCieOffsetFromFde32(uint32_t pointer) override {

    return this->memory_.cur_offset() - pointer - 4;

  }

Unexecuted instantiation: unwindstack::DwarfEhFrame<unsigned int>::GetCieOffsetFromFde32(unsigned int)

unwindstack::DwarfEhFrame<unsigned long>::GetCieOffsetFromFde32(unsigned int)

Line

Count

Source

34

2.30k

  uint64_t GetCieOffsetFromFde32(uint32_t pointer) override {

35

2.30k

    return this->memory_.cur_offset() - pointer - 4;

36

2.30k

  }

  uint64_t GetCieOffsetFromFde64(uint64_t pointer) override {

    return this->memory_.cur_offset() - pointer - 8;

  }

Unexecuted instantiation: unwindstack::DwarfEhFrame<unsigned int>::GetCieOffsetFromFde64(unsigned long)

unwindstack::DwarfEhFrame<unsigned long>::GetCieOffsetFromFde64(unsigned long)

Line

Count

Source

38

39

  uint64_t GetCieOffsetFromFde64(uint64_t pointer) override {

39

39

    return this->memory_.cur_offset() - pointer - 8;

40

39

  }

  uint64_t AdjustPcFromFde(uint64_t pc) override {

    // The eh_frame uses relative pcs.

    return pc + this->memory_.cur_offset() - 4;

  }

Unexecuted instantiation: unwindstack::DwarfEhFrame<unsigned int>::AdjustPcFromFde(unsigned long)

unwindstack::DwarfEhFrame<unsigned long>::AdjustPcFromFde(unsigned long)

Line

Count

Source

42

2.14k

  uint64_t AdjustPcFromFde(uint64_t pc) override {

43

    // The eh_frame uses relative pcs.

44

2.14k

    return pc + this->memory_.cur_offset() - 4;

45

2.14k

  }

};

}  // namespace unwindstack