[MSP430] Add MC layer

Summary:
This change implements assembler parser, code emitter, ELF object writer
and disassembler for the MSP430 ISA.  Also, more instruction forms are added
to the target description.

Reviewers: asl

Reviewed By: asl

Subscribers: pftbest, krisb, mgorny, llvm-commits

Differential Revision: https://reviews.llvm.org/D53661

llvm-svn: 346374

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/lib/Object/ELF.cpp b/llvm/lib/Object/ELF.cpp
index da56d97c4bc..2edab0b1373 100644
--- a/llvm/lib/Object/ELF.cpp
+++ b/llvm/lib/Object/ELF.cpp
@@ -139,6 +139,13 @@ StringRef llvm::object::getELFRelocationTypeName(uint32_t Machine,
       break;
     }
     break;
+  case ELF::EM_MSP430:
+    switch (Type) {
+#include "llvm/BinaryFormat/ELFRelocs/MSP430.def"
+    default:
+      break;
+    }
+    break;
   default:
     break;
   }