debug/Debug.hpp

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/* Copyright 2017 - 2026 R. Thomas
 * Copyright 2017 - 2026 Quarkslab
 *
 * 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.
 */
#ifndef LIEF_PE_DEBUG_H
#define LIEF_PE_DEBUG_H
#include <cstdint>
#include <ostream>
#include <memory>
 
#include "LIEF/Object.hpp"
#include "LIEF/visibility.h"
#include "LIEF/span.hpp"
 
namespace LIEF {
namespace PE {
class Parser;
class Builder;
class Section;
 
namespace details {
struct pe_debug;
}

class LIEF_API Debug : public Object {
  friend class Parser;
  friend class Builder;
 
  public:
  enum class TYPES {
    UNKNOWN = 0,

    COFF = 1,

    CODEVIEW = 2,

    FPO = 3,

    MISC = 4,

    EXCEPTION = 5,

    FIXUP = 6,

    OMAP_TO_SRC = 7,

    OMAP_FROM_SRC = 8,

    BORLAND = 9,

    RESERVED10 = 10,

    CLSID = 11,

    VC_FEATURE = 12,

    POGO = 13,

    ILTCG = 14,
 
    MPX = 15,

    REPRO = 16,

    PDBCHECKSUM = 19,

    EX_DLLCHARACTERISTICS = 20,
  };
  Debug() = default;
  Debug(TYPES type) :
    type_(type) {}
 
  static span<uint8_t> get_payload(Section& section, uint32_t rva, uint32_t offset,
                                   uint32_t size);
  static span<uint8_t> get_payload(Section& section, const details::pe_debug& hdr);
  static span<uint8_t> get_payload(Section& section, const Debug& dbg) {
    return get_payload(section, dbg.addressof_rawdata(), dbg.pointerto_rawdata(),
                       dbg.sizeof_data());
  }
 
  Debug(const details::pe_debug& debug_s, Section* section);
 
  Debug(const Debug& other) = default;
  Debug& operator=(const Debug& other) = default;
 
  Debug(Debug&&) = default;
  Debug& operator=(Debug&&) = default;
 
  ~Debug() override = default;
 
  virtual std::unique_ptr<Debug> clone() const {
    return std::unique_ptr<Debug>(new Debug(*this));
  }

  uint32_t characteristics() const {
    return characteristics_;
  }

  uint32_t timestamp() const {
    return timestamp_;
  }

  uint16_t major_version() const {
    return major_version_;
  }

  uint16_t minor_version() const {
    return minor_version_;
  }

  TYPES type() const {
    return type_;
  }

  uint32_t sizeof_data() const {
    return sizeof_data_;
  }

  uint32_t addressof_rawdata() const {
    return addressof_rawdata_;
  }

  uint32_t pointerto_rawdata() const {
    return pointerto_rawdata_;
  }

  const Section* section() const LIEF_LIFETIMEBOUND {
    return section_;
  }
 
  Section* section() LIEF_LIFETIMEBOUND {
    return section_;
  }

  span<uint8_t> payload() LIEF_LIFETIMEBOUND;
 
  span<const uint8_t> payload() const LIEF_LIFETIMEBOUND {
    return const_cast<Debug*>(this)->payload();
  }
 
  void characteristics(uint32_t characteristics) {
    characteristics_ = characteristics;
  }
 
  void timestamp(uint32_t timestamp) {
    timestamp_ = timestamp;
  }
 
  void major_version(uint16_t major_version) {
    major_version_ = major_version;
  }
 
  void minor_version(uint16_t minor_version) {
    minor_version_ = minor_version;
  }
 
  void sizeof_data(uint32_t sizeof_data) {
    sizeof_data_ = sizeof_data;
  }
 
  void addressof_rawdata(uint32_t addressof_rawdata) {
    addressof_rawdata_ = addressof_rawdata;
  }
 
  void pointerto_rawdata(uint32_t pointerto_rawdata) {
    pointerto_rawdata_ = pointerto_rawdata;
  }
 
  template<class T>
  const T* as() const {
    static_assert(std::is_base_of<Debug, T>::value, "Require Debug inheritance");
    if (T::classof(this)) {
      return static_cast<const T*>(this);
    }
    return nullptr;
  }
 
  template<class T>
  T* as() {
    return const_cast<T*>(static_cast<const Debug*>(this)->as<T>());
  }
 
  void accept(Visitor& visitor) const override;
 
  virtual std::string to_string() const;
 
  LIEF_API friend std::ostream& operator<<(std::ostream& os, const Debug& entry) {
    os << entry.to_string();
    return os;
  }
 
  protected:
  TYPES type_ = TYPES::UNKNOWN;
  uint32_t characteristics_ = 0;
  uint32_t timestamp_ = 0;
  uint16_t major_version_ = 0;
  uint16_t minor_version_ = 0;
  uint32_t sizeof_data_ = 0;
  uint32_t addressof_rawdata_ = 0;
  uint32_t pointerto_rawdata_ = 0;
 
  Section* section_ = nullptr;
};
 
LIEF_API const char* to_string(Debug::TYPES e);
 
}
}
#endif