[llvm] [SystemZ][z/OS] Implement executePostLayoutBinding for GOFFObjectWriter (PR #67868)

[via llvm-commits]

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@@ -216,34 +220,471 @@ void GOFFOstream::write_impl(const char *Ptr, size_t Size) {
   }
 }
 
+/// \brief Wrapper class for symbols used exclusively for the symbol table in a
+/// GOFF file.
+class GOFFSymbol {
+public:
+  std::string Name;
+  uint32_t EsdId;
+  uint32_t ParentEsdId;
+  const MCSymbolGOFF *MCSym;
+  GOFF::ESDSymbolType SymbolType;
+
+  GOFF::ESDNameSpaceId NameSpace = GOFF::ESD_NS_NormalName;
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diggerlin wrote:

nit: since there are a lot of GOF::  in following, using namespace GOFF can remove GOFF::

https://github.com/llvm/llvm-project/pull/67868