1 files changed, 36 insertions, 0 deletions

diff --git a/include/llvm/MC/MCAsmLayout.h b/include/llvm/MC/MCAsmLayout.h
new file mode 100644
index 000000000000..27bdbe9cbf59
--- /dev/null
+++ b/include/llvm/MC/MCAsmLayout.h
@@ -0,0 +1,36 @@
+//===- MCAsmLayout.h - Assembly Layout Object -------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_MC_MCASMLAYOUT_H
+#define LLVM_MC_MCASMLAYOUT_H
+
+namespace llvm {
+class MCAssembler;
+
+/// Encapsulates the layout of an assembly file at a particular point in time.
+///
+/// Assembly may requiring compute multiple layouts for a particular assembly
+/// file as part of the relaxation process. This class encapsulates the layout
+/// at a single point in time in such a way that it is always possible to
+/// efficiently compute the exact addresses of any symbol in the assembly file,
+/// even during the relaxation process.
+class MCAsmLayout {
+private:
+  MCAssembler &Assembler;
+
+public:
+  MCAsmLayout(MCAssembler &_Assembler) : Assembler(_Assembler) {}
+
+  /// Get the assembler object this is a layout for.
+  MCAssembler &getAssembler() const { return Assembler; }
+};
+
+} // end namespace llvm
+
+#endif