/// <summary>
/// Creates the elf32 file.
/// </summary>
/// <param name="compiler">The compiler.</param>
private void CreateElf64File(Mosa.Runtime.CompilerFramework.AssemblyCompiler compiler)
{
using (System.IO.FileStream fs = new System.IO.FileStream(this.OutputFile, System.IO.FileMode.Create, System.IO.FileAccess.Write, System.IO.FileShare.None))
{
Elf64Header header = new Elf64Header();
header.Type = Elf64FileType.Executable;
header.Machine = Elf64MachineType.Intel386;
header.SectionHeaderNumber = (ushort)(Sections.Count + 2);
header.SectionHeaderOffset = header.ElfHeaderSize;
header.CreateIdent(Elf64IdentClass.Class64, Elf64IdentData.Data2LSB, null);
// Calculate the concatenated size of all section's data
uint offset = 0;
foreach (Mosa.Runtime.Linker.Elf64.Sections.Elf64Section section in Sections)
{
offset += (uint)section.Length;
}
offset += (uint)nullSection.Length;
offset += (uint)stringTableSection.Length;
// Calculate offsets
header.ProgramHeaderOffset = (uint)header.ElfHeaderSize + (uint)header.SectionHeaderEntrySize * (uint)header.SectionHeaderNumber + offset;
header.SectionHeaderStringIndex = (ushort)((ushort)header.ProgramHeaderOffset + (ushort)header.ProgramHeaderNumber * (ushort)header.ProgramHeaderEntrySize);
System.IO.BinaryWriter writer = new System.IO.BinaryWriter(fs);
// Write the ELF Header
header.Write(writer);
// Overjump the Section Header Table and write the section's data first
long tmp = fs.Position;
writer.Seek((int)(tmp + header.SectionHeaderNumber * header.SectionHeaderEntrySize), System.IO.SeekOrigin.Begin);
nullSection.Write(writer);
stringTableSection.Write(writer);
// Write the sections
foreach (Mosa.Runtime.Linker.Elf64.Sections.Elf64Section section in Sections)
{
section.Write(writer);
}
// Jump back to the Section Header Table
writer.Seek((int)tmp, System.IO.SeekOrigin.Begin);
nullSection.WriteHeader(writer);
stringTableSection.WriteHeader(writer);
// Write the section headers
foreach (Mosa.Runtime.Linker.Elf64.Sections.Elf64Section section in Sections)
{
section.WriteHeader(writer);
}
}
}
/// <summary>
/// Creates the elf32 file.
/// </summary>
/// <param name="compiler">The compiler.</param>
private void CreateElf64File(Mosa.Runtime.CompilerFramework.AssemblyCompiler compiler)
{
using (System.IO.FileStream fs = new System.IO.FileStream(this.OutputFile, System.IO.FileMode.Create, System.IO.FileAccess.Write, System.IO.FileShare.None))
{
Elf64Header header = new Elf64Header();
header.Type = Elf64FileType.Executable;
header.Machine = Elf64MachineType.Intel386;
header.SectionHeaderNumber = (ushort)(Sections.Count + 2);
header.SectionHeaderOffset = header.ElfHeaderSize;
header.CreateIdent(Elf64IdentClass.Class64, Elf64IdentData.Data2LSB, null);
// Calculate the concatenated size of all section's data
uint offset = 0;
foreach (Mosa.Runtime.Linker.Elf64.Sections.Elf64Section section in Sections)
{
offset += (uint)section.Length;
}
offset += (uint)nullSection.Length;
offset += (uint)stringTableSection.Length;
// Calculate offsets
header.ProgramHeaderOffset = (uint)header.ElfHeaderSize + (uint)header.SectionHeaderEntrySize * (uint)header.SectionHeaderNumber + offset;
header.SectionHeaderStringIndex = (ushort)((ushort)header.ProgramHeaderOffset + (ushort)header.ProgramHeaderNumber * (ushort)header.ProgramHeaderEntrySize);
System.IO.BinaryWriter writer = new System.IO.BinaryWriter(fs);
// Write the ELF Header
header.Write(writer);
// Overjump the Section Header Table and write the section's data first
long tmp = fs.Position;
writer.Seek((int)(tmp + header.SectionHeaderNumber * header.SectionHeaderEntrySize), System.IO.SeekOrigin.Begin);
nullSection.Write(writer);
stringTableSection.Write(writer);
// Write the sections
foreach (Mosa.Runtime.Linker.Elf64.Sections.Elf64Section section in Sections)
section.Write(writer);
// Jump back to the Section Header Table
writer.Seek((int)tmp, System.IO.SeekOrigin.Begin);
nullSection.WriteHeader(writer);
stringTableSection.WriteHeader(writer);
// Write the section headers
foreach (Mosa.Runtime.Linker.Elf64.Sections.Elf64Section section in Sections)
section.WriteHeader(writer);
}
}
