/// <summary>
/// Gets a string from the string table
/// </summary>
/// <param name="elf">The ELF</param>
/// <param name="offset">The offset in the string table</param>
/// <returns>The string</returns>
private static unsafe string getString(ELF32 *elf, uint offset)
{
SectionHeader *section = getSection(elf, elf->ShnStrNdx);
uint strtab = (uint)elf + section->Offset;
return(Util.CharPtrToString((char *)(strtab + offset)));
}
/// <summary>
/// Checks if the ELF file is valid
/// </summary>
/// <param name="elf">The pointer to the ELF</param>
/// <returns>If it's valid</returns>
private static unsafe bool isValidELF(ELF32 *elf)
{
if (elf->Ident[(int)Ident.EI_MAG0] != 0x7F || elf->Ident[(int)Ident.EI_MAG1] != 'E' || elf->Ident[(int)Ident.EI_MAG2] != 'L' || elf->Ident[(int)Ident.EI_MAG3] != 'F')
{
return(false);
}
if (elf->Type != (int)ExecutableType.ET_EXEC)
{
return(false);
}
if (elf->Version != 1)
{
return(false);
}
if (elf->Machine != (int)MachineType.EM_X86)
{
return(false);
}
return(true);
}
/// <summary>
/// Gets a section header
/// </summary>
/// <param name="elf">The ELF</param>
/// <param name="index">The index of the section</param>
/// <returns>The pointer to the section header</returns>
private static unsafe SectionHeader *getSection(ELF32 *elf, uint index)
{
return((SectionHeader *)((int)elf + elf->ShOff + (index * elf->ShEntSize)));
}
