Add support for R_AMDGPU_RELATIVE64

- Add support for R_AMDGPU_RELATIVE64 relocation record.
- Return status error if any unsupported relocation record encountered.

Change-Id: Icbb5dcb81109a70c1f2195412a0df58a11be9da1

runtime/hsa-runtime/loader/executable.cpp

@@ -1673,14 +1673,16 @@ hsa_status_t ExecutableImpl::ApplyDynamicRelocation(hsa_agent_t agent, amd::hsa:
       break;
     }
 
-    case R_AMDGPU_INIT_IMAGE:
-    case R_AMDGPU_INIT_SAMPLER:
-      // Images and samplers are not supported in v2.1.
-      return HSA_STATUS_ERROR_INVALID_CODE_OBJECT;
+    case R_AMDGPU_RELATIVE64:
+    {
+      int64_t baseDelta = reinterpret_cast<uint64_t>(relSeg->Address(0)) - relSeg->VAddr();
+      uint64_t relocatedAddr = baseDelta + rel->addend();
+      relSeg->Copy(rel->offset(), &relocatedAddr, sizeof(relocatedAddr));
+      break;
+    }
 
     default:
-      // Ignore.
-      break;
+      return HSA_STATUS_ERROR_INVALID_CODE_OBJECT;
   }
   return HSA_STATUS_SUCCESS;
 }