[WebAssembly] Add skeleton MC support for the Wasm container format

This just adds the basic skeleton for supporting a new object file format.
All of the actual encoding will be implemented in followup patches.

Differential Revision: https://reviews.llvm.org/D26722

llvm-svn: 295803

1 files changed, 7 insertions, 1 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyTargetObjectFile.h b/llvm/lib/Target/WebAssembly/WebAssemblyTargetObjectFile.h
index 39e50c9..ace87c9 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyTargetObjectFile.h
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyTargetObjectFile.h
@@ -20,7 +20,13 @@
 
 namespace llvm {
 
-class WebAssemblyTargetObjectFile final : public TargetLoweringObjectFileELF {
+class WebAssemblyTargetObjectFileELF final
+    : public TargetLoweringObjectFileELF {
+public:
+  void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
+};
+
+class WebAssemblyTargetObjectFile final : public TargetLoweringObjectFileWasm {
 public:
   void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
 };