[clang] [llvm] [MC,llvm-readobj,yaml2obj] Support CREL relocation format (PR #91280)

[Peter Smith via llvm-commits]

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@@ -3840,14 +3849,15 @@ void GNUELFDumper<ELFT>::printRelRelaReloc(const Relocation<ELFT> &R,
 
 template <class ELFT>
 static void printRelocHeaderFields(formatted_raw_ostream &OS, unsigned SType,
-                                   const typename ELFT::Ehdr &EHeader) {
+                                   const typename ELFT::Ehdr &EHeader,
+                                   uint64_t CrelHdr = 0) {
   bool IsRela = SType == ELF::SHT_RELA || SType == ELF::SHT_ANDROID_RELA;
   if (ELFT::Is64Bits)
     OS << "    Offset             Info             Type               Symbol's "
           "Value  Symbol's Name";
   else
     OS << " Offset     Info    Type                Sym. Value  Symbol's Name";
-  if (IsRela)
+  if (IsRela || (SType == ELF::SHT_CREL && (CrelHdr & 4)))
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smithp35 wrote:

I think some human readable masks may be worthwhile. For example `CrelHdr & hasAddend`

https://github.com/llvm/llvm-project/pull/91280