Index: llvm/trunk/lib/ObjectYAML/ELFYAML.cpp
===================================================================
--- llvm/trunk/lib/ObjectYAML/ELFYAML.cpp
+++ llvm/trunk/lib/ObjectYAML/ELFYAML.cpp
@@ -359,6 +359,14 @@
     BCase(EF_AVR_ARCH_XMEGA6);
     BCase(EF_AVR_ARCH_XMEGA7);
     break;
+  case ELF::EM_RISCV:
+    BCase(EF_RISCV_RVC);
+    BCaseMask(EF_RISCV_FLOAT_ABI_SOFT, EF_RISCV_FLOAT_ABI);
+    BCaseMask(EF_RISCV_FLOAT_ABI_SINGLE, EF_RISCV_FLOAT_ABI);
+    BCaseMask(EF_RISCV_FLOAT_ABI_DOUBLE, EF_RISCV_FLOAT_ABI);
+    BCaseMask(EF_RISCV_FLOAT_ABI_QUAD, EF_RISCV_FLOAT_ABI);
+    BCase(EF_RISCV_RVE);
+    break;
   case ELF::EM_AMDGPU:
   case ELF::EM_X86_64:
     break;