public static void WriteDwarf2(this BinaryWriter writer, DebugLineHeader header)
{
writer.Write(header.UnitLength);
writer.Write(header.Version);
writer.Write(header.HeaderLength);
writer.Write(header.MinimumInstructionLength);
writer.Write(header.DefaultIsStatement);
writer.Write(header.LineBase);
writer.Write(header.LineRange);
writer.Write(header.OpcodeBase);
if (header.OpcodeBase > 0) {
if (header.OpcodesArgsCount == null || header.OpcodesArgsCount.Length != header.OpcodeBase - 1) {
throw new Exception("Invalid or missing opcode args count");
}
foreach (int argsCount in header.OpcodesArgsCount) {
writer.Write(argsCount);
}
}
if (header.IncludeDirectories != null) {
foreach (var dir in header.IncludeDirectories) {
writer.WriteDwarfStringZ(dir);
}
}
writer.Write((byte)0);
if (header.FileNames != null) {
foreach (var file in header.FileNames) {
writer.WriteDwarfStringZ(file.Name);
writer.WriteDwarfLeb128(file.DirectoryIndex);
writer.WriteDwarfLeb128(file.Time);
writer.WriteDwarfLeb128(file.Size);
}
}
writer.Write((byte)0);
}
private void AddDebugLine(ElfFile file, AsmContext context)
{
var mem = new MemoryStream();
var writer = new BinaryWriter(mem);
var hdr = new DebugLineHeader {
FileNames = new[]
{
new DebugLineFile {Name = "test.asm"},
new DebugLineFile {Name = "test2.asm"},
}
};
writer.WriteDwarf2(hdr);
if (mem.Length > 0) {
file.Sections.Add(new ElfSection {
Name = file.Strings.SaveString(".debug_line"),
Type = ElfSectionType.ProgBits,
Address = 0,
Flags = ElfSectionFlags.None,
Size = (uint)mem.Length,
Align = 1,
Offset = (uint)file.Data.Position
});
file.Data.Write(mem.ToArray(), 0, (int)mem.Length);
}
}