Index: test/tools/llvm-readobj/elf-dtflags.test
===================================================================
--- test/tools/llvm-readobj/elf-dtflags.test
+++ test/tools/llvm-readobj/elf-dtflags.test
@@ -0,0 +1,6 @@
+# Test that llvm-readobj dumps DF_XXX and DF_1_XXX flags correctly.
+#
+#RUN: llvm-readobj -dynamic-table %p/Inputs/dtflags.elf-x86-64 | FileCheck %s
+#
+#CHECK: 0x000000000000001E FLAGS                ORIGIN BIND_NOW
+#CHECK: 0x000000006FFFFFFB FLAGS_1              NOW ORIGIN
Index: tools/llvm-readobj/ELFDumper.cpp
===================================================================
--- tools/llvm-readobj/ELFDumper.cpp
+++ tools/llvm-readobj/ELFDumper.cpp
@@ -778,6 +778,7 @@
   LLVM_READOBJ_TYPE_CASE(FINI_ARRAY);
   LLVM_READOBJ_TYPE_CASE(FINI_ARRAYSZ);
   LLVM_READOBJ_TYPE_CASE(FLAGS);
+  LLVM_READOBJ_TYPE_CASE(FLAGS_1);
   LLVM_READOBJ_TYPE_CASE(HASH);
   LLVM_READOBJ_TYPE_CASE(INIT);
   LLVM_READOBJ_TYPE_CASE(INIT_ARRAY);
@@ -837,6 +838,34 @@
   LLVM_READOBJ_DT_FLAG_ENT(DF, STATIC_TLS)
 };
 
+static const EnumEntry<unsigned> ElfDynamicDTFlags1[] = {
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOW),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAL),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, GROUP),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODELETE),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, LOADFLTR),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, INITFIRST),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOOPEN),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, ORIGIN),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, DIRECT),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, TRANS),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, INTERPOSE),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODEFLIB),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODUMP),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, CONFALT),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, ENDFILTEE),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, DISPRELDNE),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, NODIRECT),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, IGNMULDEF),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOKSYMS),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, NOHDR),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, EDITED),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, NORELOC),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, SYMINTPOSE),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, GLOBAUDIT),
+  LLVM_READOBJ_DT_FLAG_ENT(DF_1, SINGLETON)
+};
+
 static const EnumEntry<unsigned> ElfDynamicDTMipsFlags[] = {
   LLVM_READOBJ_DT_FLAG_ENT(RHF, NONE),
   LLVM_READOBJ_DT_FLAG_ENT(RHF, QUICKSTART),
@@ -950,6 +979,9 @@
   case DT_FLAGS:
     printFlags(Value, makeArrayRef(ElfDynamicDTFlags), OS);
     break;
+  case DT_FLAGS_1:
+    printFlags(Value, makeArrayRef(ElfDynamicDTFlags1), OS);
+    break;
   }
 }