[llvm] [SystemZ][z/OS] Add goffdumper/llvm-readobj tools (PR #71071)

[James Henderson via llvm-commits]

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@@ -0,0 +1,94 @@
+#include "ObjDumper.h"
+#include "llvm-readobj.h"
+#include "llvm/Object/GOFFObjectFile.h"
+#include "llvm/Support/ScopedPrinter.h"
+
+using namespace llvm;
+using namespace llvm::object;
+
+namespace {
+
+class GOFFDumper : public ObjDumper {
+public:
+  GOFFDumper(const GOFFObjectFile *Obj, ScopedPrinter &Writer)
+      : ObjDumper(Writer, Obj->getFileName()), Obj(Obj) {}
+
+  void printFileHeaders() override {}
+  void printSectionHeaders() override;
+  void printRelocations() override;
+  void printSymbols(bool ExtraSymInfo) override;
+  void printDynamicSymbols() override;
+  void printUnwindInfo() override {}
+  void printStackMap() const override {}
+
+  const object::GOFFObjectFile *getGOFFObject() const { return Obj; };
+
+private:
+  void printSymbol(const SymbolRef &Sym);
+
+  const GOFFObjectFile *Obj;
+};
+
+} // End anonymous namespace
+
+namespace llvm {
+std::unique_ptr<ObjDumper> createGOFFDumper(const object::GOFFObjectFile &Obj,
+                                            ScopedPrinter &Writer) {
+  return std::make_unique<GOFFDumper>(&Obj, Writer);
+}
+
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jh7370 wrote:

Nit: be consistent with your start/end of your namespacing with regards to blank lines.

https://github.com/llvm/llvm-project/pull/71071