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

[James Henderson via cfe-commits]

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@@ -4888,6 +4920,34 @@ void ELFDumper<ELFT>::printRelocationsHelper(const Elf_Shdr &Sec) {
 
 template <class ELFT> void ELFDumper<ELFT>::printDynamicRelocationsHelper() {
   const bool IsMips64EL = this->Obj.isMips64EL();
+  auto DumpCrelRegion = [&](DynRegionInfo &Region) {
+    // While the size is unknown, a valid CREL has at least one byte. We can
+    // check whether Addr is in bounds, and then decode CREL until the file
+    // end.
+    Region.Size = Region.EntSize = 1;
+    if (!Region.template getAsArrayRef<uint8_t>().empty()) {
+      const uint64_t Offset =
+          Region.Addr -
+          (const uint8_t *)ObjF.getMemoryBufferRef().getBufferStart();
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jh7370 wrote:

Nit: reinterpret_cast

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