CoreAuxv.hpp

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/* Copyright 2017 - 2025 R. Thomas
 * Copyright 2017 - 2025 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_ELF_CORE_AUXV_H
#define LIEF_ELF_CORE_AUXV_H
 
#include <ostream>
#include <map>
#include <utility>
 
#include "LIEF/visibility.h"
#include "LIEF/ELF/enums.hpp"
#include "LIEF/ELF/Note.hpp"
 
namespace LIEF {
namespace ELF {

class LIEF_API CoreAuxv : public Note {
  public:
  enum class TYPE {
    END = 0,       
    IGNORE_TY,     
    EXECFD,        
    PHDR,          
    PHENT,         
    PHNUM,         
    PAGESZ,        
    BASE,          
    FLAGS,         
    ENTRY,         
    NOTELF,        
    UID,           
    EUID,          
    GID,           
    EGID,          
    TGT_PLATFORM,  
    HWCAP,         
    CLKTCK,        
    FPUCW,         
    DCACHEBSIZE,   
    ICACHEBSIZE,   
    UCACHEBSIZE,   
    IGNOREPPC,     
    SECURE,        
    BASE_PLATFORM, 
    RANDOM,        
    HWCAP2,        
    //ENTRY27,
    //ENTRY28,
    //ENTRY29,
    //ENTRY30,
    EXECFN = 31,   
    SYSINFO,       
    SYSINFO_EHDR,  
  };
 
  CoreAuxv(ARCH arch, Header::CLASS cls, std::string name,
           uint32_t type, description_t description) :
    Note(std::move(name), Note::TYPE::CORE_AUXV, type, std::move(description), ""),
    arch_(arch), class_(cls)
  {}
 
  std::unique_ptr<Note> clone() const override {
    return std::unique_ptr<Note>(new CoreAuxv(*this));
  }

  std::map<TYPE, uint64_t> values() const;

  result<uint64_t> get(TYPE type) const;
 
  result<uint64_t> operator[](TYPE type) const {
    return get(type);
  }
 
  bool set(TYPE type, uint64_t value);
  bool set(const std::map<TYPE, uint64_t>& values);
 
  void dump(std::ostream& os) const override;
 
  void accept(Visitor& visitor) const override;
 
  static bool classof(const Note* note) {
    return note->type() == Note::TYPE::CORE_AUXV;
  }
 
  ~CoreAuxv() override = default;
 
  LIEF_API friend
  std::ostream& operator<<(std::ostream& os, const CoreAuxv& note) {
    note.dump(os);
    return os;
  }
 
  protected:
  ARCH arch_ = ARCH::NONE;
  Header::CLASS class_ = Header::CLASS::NONE;
};
 
LIEF_API const char* to_string(CoreAuxv::TYPE type);
 
} // namepsace ELF
} // namespace LIEF
 
#endif