public ElfProgram(ElfPHDR header)
{
this.header = header;
}
public void Load(String filename)
{
// initialize stream
FileStream stream = File.OpenRead(filename);
// Read Elf ID
ElfHDR elfhdr = new ElfHDR();
Byte[] elfid = new Byte[(int)ElfIdent.EI_NIDENT];
stream.Read(elfid, 0, elfid.Length);
elfhdr.Identification = elfid;
if (!elfhdr.IsElf)
{
throw new ArgumentException("Given file is not an elf");
}
// Initialize Elf endianness
ElfEndian endian = new ElfEndian(elfhdr.Encoding);
// Read Elf header
Byte[] elfhdrData = new Byte[elfhdr.DataSize];
stream.Seek(0, SeekOrigin.Begin);
stream.Read(elfhdrData, 0, elfhdr.DataSize);
elfhdr.Load(endian, elfhdrData);
// Read programs
ElfProgram[] elfprogs = new ElfProgram[elfhdr.ProgramHeaderCount];
Byte[] elfphdrData = new Byte[elfhdr.ProgramHeaderSize];
for (int i = 0; i < elfhdr.ProgramHeaderCount; i++)
{
ElfPHDR phdr = new ElfPHDR(elfhdr.Class);
stream.Seek((Int64)elfhdr.ProgramHeaderOffset + i * elfhdr.ProgramHeaderSize, SeekOrigin.Begin);
stream.Read(elfphdrData, 0, elfhdr.ProgramHeaderSize);
phdr.Load(endian, elfhdr.Class, elfphdrData);
elfprogs[i] = new ElfProgram(phdr);
}
// Read sections
ElfSection[] elfsects = new ElfSection[elfhdr.SectionHeaderCount];
Byte[] elfshdrData = new Byte[elfhdr.SectionHeaderSize];
for (int i = 0; i < elfhdr.SectionHeaderCount; i++)
{
ElfSHDR shdr = new ElfSHDR(elfhdr.Class);
stream.Seek((Int64)elfhdr.SectionHeaderOffset + i * elfhdr.SectionHeaderSize, SeekOrigin.Begin);
stream.Read(elfshdrData, 0, elfhdr.SectionHeaderSize);
shdr.Load(endian, elfhdr.Class, elfshdrData);
Byte[] section = null;
if (shdr.Type != ElfSectionType.SHT_NOBITS && shdr.Type != ElfSectionType.SHT_NULL)
{
section = new Byte[shdr.Size];
stream.Seek((Int64)shdr.FileOffset, SeekOrigin.Begin);
stream.Read(section, 0, section.Length);
}
elfsects[i] = new ElfSection(shdr, section);
}
// Initialize Elf
elf = new Elf(elfhdr, elfprogs, elfsects);
// Close stream
stream.Close();
}
