Subversion Repositories riscv_vhdl

/**

 * @file

 * @copyright  Copyright 2016 GNSS Sensor Ltd. All right reserved.

 * @author     Sergey Khabarov - sergeykhbr@gmail.com

 * @brief      elf-file loader class declaration.

 */

#ifndef __DEBUGGER_ELF_LOADER_H__

#define __DEBUGGER_ELF_LOADER_H__

#include "iclass.h"

#include "iservice.h"

#include "coreservices/itap.h"

#include "coreservices/ielfreader.h"

#include "coreservices/isrccode.h"

#include "elf_types.h"

namespace debugger {

class ElfReaderService : public IService,

                         public IElfReader {

public:

    explicit ElfReaderService(const char *name);

    virtual ~ElfReaderService();

    /** IService interface */

    virtual void postinitService();

    /** IElfReader interface */

    virtual int readFile(const char *filename);

    virtual unsigned loadableSectionTotal() {

        return loadSectionList_.size();

    }

    virtual const char *sectionName(unsigned idx) {

        return loadSectionList_[idx][LoadSh_name].to_string();

    }

    virtual uint64_t sectionAddress(unsigned idx)  {

        return loadSectionList_[idx][LoadSh_addr].to_uint64();

    }

    virtual uint64_t sectionSize(unsigned idx)  {

        return loadSectionList_[idx][LoadSh_size].to_uint64();

    }

    virtual uint8_t *sectionData(unsigned idx)  {

        return loadSectionList_[idx][LoadSh_data].data();

    }

private:

    int readElfHeader();

    int loadSections();

    void processDebugSymbol(SectionHeaderType *sh);

private:

    enum ELoadSectionItem {

        LoadSh_name,

        LoadSh_addr,

        LoadSh_size,

        LoadSh_data,

        LoadSh_Total,

    };

    enum EMode {

        Mode_32bits,

        Mode_64bits

    } emode_;

    AttributeType sourceProc_;

    AttributeType symbolList_;

    AttributeType loadSectionList_;

    ISourceCode *isrc_;

    uint8_t *image_;

    ElfHeaderType *header_;

    SectionHeaderType **sh_tbl_;

    char *sectionNames_;

    char *symbolNames_;

};

DECLARE_CLASS(ElfReaderService)

}  // namespace debugger

#endif  // __DEBUGGER_ELF_LOADER_H__