private void EmitDebugInfo(EndianAwareBinaryWriter wr)
{
// note: Compilation Unit Header != Debugging Information Entry
// Compilation Unit Header
var compilationUnitSizePosition = wr.Position;
wr.Write((uint)7); // length
wr.Write((ushort)0x02); // version
wr.Write((uint)0); // abbr tag offset.
wr.WriteByte(4); //addr size of platform
var context = new DwarfWriteContext {
Writer = wr, AbbrevList = AbbrevList
};
var textSection = Compiler.Linker.Sections[(int)SectionKind.Text];
// Debugging Information Entry
var cu = new DwarfCompilationUnit
{
Producer = "Mosa Compiler",
ProgramCounterLow = (uint)textSection.VirtualAddress,
ProgramCounterHigh = (uint)textSection.VirtualAddress + textSection.Size
};
cu.Emit(context);
uint compilationUnitSize = (uint)(wr.Position - compilationUnitSizePosition - sizeof(uint));
wr.Position = compilationUnitSizePosition;
wr.Write(compilationUnitSize);
wr.Position = wr.BaseStream.Length;
}
public override void Emit(DwarfWriteContext ctx)
{
var abbr = ctx.CreateAbbrev(DwarfTag.DW_TAG_compile_unit, new List <DwarfAbbrevAttribute>()
{
new DwarfAbbrevAttribute {
Attribute = DwarfAttribute.DW_AT_producer, Form = DwarfForm.DW_FORM_string
},
new DwarfAbbrevAttribute {
Attribute = DwarfAttribute.DW_AT_low_pc, Form = DwarfForm.DW_FORM_addr
},
new DwarfAbbrevAttribute {
Attribute = DwarfAttribute.DW_AT_high_pc, Form = DwarfForm.DW_FORM_addr
},
new DwarfAbbrevAttribute {
Attribute = DwarfAttribute.DW_AT_stmt_list, Form = DwarfForm.DW_FORM_data4
},
});
ctx.Writer.WriteULEB128(0x01); //number of tag.
ctx.Writer.WriteNullTerminatedString(Producer);
ctx.Writer.Write(ProgramCounterLow); // TODO: Dynamic
ctx.Writer.Write(ProgramCounterHigh); // TODO: Dynamic
ctx.Writer.Write((uint)0);
}
public virtual void Emit(DwarfWriteContext ctx)
{
}