[llvm] [XCOFF][obj2yaml] support parsing auxiliary symbols for XCOFF (PR #70642)

[via llvm-commits]

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@@ -131,7 +209,119 @@ Error XCOFFDumper::dumpSymbols() {
 
     Sym.Type = SymbolEntRef.getSymbolType();
     Sym.StorageClass = SymbolEntRef.getStorageClass();
-    Sym.NumberOfAuxEntries = SymbolEntRef.getNumberOfAuxEntries();
+    uint8_t NumOfAuxSym = SymbolEntRef.getNumberOfAuxEntries();
+    Sym.NumberOfAuxEntries = NumOfAuxSym;
+
+    if (NumOfAuxSym) {
+      std::vector<std::unique_ptr<XCOFFYAML::AuxSymbolEnt>> AuxEntTbl;
+      switch (Sym.StorageClass) {
+      case XCOFF::C_FILE: {
+        for (uint8_t I = 1; I <= NumOfAuxSym; ++I) {
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EsmeYi wrote:

I didn't fully catch your comments before and sorry about it. Now the whole case body is pulled out into a separate function instead of partial codes.

https://github.com/llvm/llvm-project/pull/70642