bintools/checklib/object/elf/elf_section_header.cpp
author timothy.murphy@nokia.com
Mon, 14 Dec 2009 21:34:47 +0000
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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "elf_section_header.h"
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namespace elf
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{
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    Section_header::Section_header(const char* p1, const char* p2)
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        : m_data( reinterpret_cast<const Elf32_Shdr*>(p1) )
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    {
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        // This could be useful for future error checking.
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        (void) p2;
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        //--if (m_data->sh_type != SHT_NOBITS)
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        //--{
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        //--    if (m_data->sh_offset + m_data->sh_size > a_mem.get_size() )
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        //--    {
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        //--        throw std::runtime_error("file is too small");
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        //--    }
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        //--}
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        //--if (m_data->sh_addralign > 1)
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        //--{
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        //--    if (m_data->sh_addr % m_data->sh_addralign != 0)
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        //--    {
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        //--        throw std::runtime_error("incorrect alignment");
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        //--    }
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        //--}
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    }
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    uint32_t Section_header::get_name()
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    {
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        return m_data->sh_name;
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    }
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    bool Section_header::is_type_null() const
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    {
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        return (m_data->sh_type == SHT_NULL);
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    }
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    bool Section_header::is_type_progbits() const
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    {
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        return (m_data->sh_type == SHT_PROGBITS);
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    }
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    bool Section_header::is_type_symtab() const
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    {
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        return (m_data->sh_type == SHT_SYMTAB);
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    }
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    bool Section_header::is_type_dynsym() const
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    {
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        return (m_data->sh_type == SHT_DYNSYM);
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    }
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    bool Section_header::is_type_strtab() const
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    {
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        return (m_data->sh_type == SHT_STRTAB);
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    }
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    bool Section_header::is_type_rela() const
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    {
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        return (m_data->sh_type == SHT_RELA);
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    }
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    bool Section_header::is_type_nobits() const
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    {
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        return (m_data->sh_type == SHT_NOBITS);
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    }
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    bool Section_header::is_type_rel() const
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    {
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        return (m_data->sh_type == SHT_REL);
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    }
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    bool Section_header::is_flags_write() const
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    {
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        return (m_data->sh_flags & SHF_WRITE) != 0;
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    }
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    bool Section_header::is_flags_alloc() const
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    {
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        return (m_data->sh_flags & SHF_ALLOC) != 0;
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    }
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    bool Section_header::is_flags_execinstr() const
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    {
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        return (m_data->sh_flags & SHF_EXECINSTR) != 0;
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    }
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    uint32_t Section_header::get_addr()
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    {
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        return m_data->sh_addr;
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    }
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    uint32_t Section_header::get_offset() const
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    {
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        return m_data->sh_offset;
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    }
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    uint32_t Section_header::get_size() const
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    {
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        return m_data->sh_size;
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    }
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    uint32_t Section_header::get_link()
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    {
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        return m_data->sh_link;
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    }
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    uint32_t Section_header::get_info()
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    {
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        return m_data->sh_info;
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    }
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    uint32_t Section_header::get_addralign()
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    {
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        return m_data->sh_addralign;
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    }
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    uint32_t Section_header::get_entsize() const
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    {
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        return m_data->sh_entsize;
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    }
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} // namespace elf
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