[Object] Handle SHT_CREL relocation sections when resolving relocation data (#141843)

Fixes #141680

Author: ZequanWu

llvm/lib/Object/RelocationResolver.cpp

@@ -888,7 +888,8 @@ uint64_t resolveRelocation(RelocationResolver Resolver, const RelocationRef &R,
         return Elf64BEObj->getRelSection(R.getRawDataRefImpl())->sh_type;
       };
 
-      if (GetRelSectionType() == ELF::SHT_RELA) {
+      if (GetRelSectionType() == ELF::SHT_RELA ||
+          GetRelSectionType() == ELF::SHT_CREL) {
         Addend = getELFAddend(R);
         // LoongArch and RISCV relocations use both LocData and Addend.
         if (Obj->getArch() != Triple::loongarch32 &&

llvm/test/tools/llvm-dwarfdump/X86/debug_info_crel.test

@@ -0,0 +1,5 @@
+# Test llvm-dwarfdump handles CREL relocation sections correctly.
+RUN: echo "void foo(){}" | clang++ --target=x86_64-pc-linux -Wa,--crel,--allow-experimental-crel -g -c -x c++ - -o %t
+RUN: llvm-dwarfdump --debug-info %t | FileCheck %s
+
+CHECK: DW_AT_producer    ("clang version