[WebAssembly] Initial wasm linker implementation

This linker backend is still a work in progress but is
enough to link simple programs including linking against
library archives.

Differential Revision: https://reviews.llvm.org/D34851

llvm-svn: 318539

1 files changed, 29 insertions, 0 deletions

diff --git a/lld/wasm/Strings.h b/lld/wasm/Strings.h
new file mode 100644
index 00000000000..fd46afbe4ce
--- /dev/null
+++ b/lld/wasm/Strings.h
@@ -0,0 +1,29 @@
+//===- Strings.h ------------------------------------------------*- C++ -*-===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLD_WASM_STRINGS_H
+#define LLD_WASM_STRINGS_H
+
+#include "llvm/ADT/Optional.h"
+#include "llvm/ADT/StringRef.h"
+#include <string>
+
+namespace lld {
+namespace wasm {
+
+// Returns a demangled C++ symbol name. If Name is not a mangled
+// name, it returns Optional::None.
+llvm::Optional<std::string> demangle(llvm::StringRef Name);
+
+std::string displayName(llvm::StringRef Name);
+
+} // namespace wasm
+} // namespace lld
+
+#endif