================
@@ -239,6 +298,63 @@ class GOFFWriter {
 GOFFWriter::GOFFWriter(raw_pwrite_stream &OS, MCAssembler &Asm)
     : OS(OS), Asm(Asm) {}
 
+void GOFFWriter::defineSectionSymbols(const MCSectionGOFF &Section) {
+  if (Section.isSD()) {
+    GOFFSymbol SD(Section.getName(), Section.getId(),
+                  Section.getSDAttributes());
+    writeSymbol(SD);
+  }
+
+  if (Section.isED()) {
+    GOFFSymbol ED(Section.getName(), Section.getId(),
+                  Section.getParent()->getId(), Section.getEDAttributes());
+    if (Section.requiresLength())
+      ED.SectionLength = Asm.getSectionAddressSize(Section);
+    writeSymbol(ED);
+  }
+
+  if (Section.isPR()) {
+    GOFFSymbol PR(Section.getName(), Section.getId(),
+                  Section.getParent()->getId(), Section.getPRAttributes());
+    PR.SectionLength = Asm.getSectionAddressSize(Section);
+    if (Section.requiresNonZeroLength()) {
----------------
uweigand wrote:

I see.  I think we should implement this rule then - if a section is the target 
of an ADA link, it cannot be empty.  That would be preferable to upper layers 
having to remember setting this flag.  (I guess we could still have a flag 
internally, but that would get automatically set e.g. by `setADA`.)

Or, in the alternative, should we simply *not* set the ADA link if the target 
section is empty?  If an ADA section, it cannot actually be used for anything, 
so do we even need to register it as ADA for a text section?

https://github.com/llvm/llvm-project/pull/133799
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