1 files changed, 76 insertions, 0 deletions
diff --git a/lib/Target/Nios2/MCTargetDesc/Nios2MCExpr.cpp b/lib/Target/Nios2/MCTargetDesc/Nios2MCExpr.cpp
new file mode 100644
index 000000000000..0f12c9e93378
--- /dev/null
+++ b/lib/Target/Nios2/MCTargetDesc/Nios2MCExpr.cpp
@@ -0,0 +1,76 @@
+//===-- Nios2MCExpr.cpp - Nios2 specific MC expression classes ------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Nios2.h"
+
+#include "Nios2MCExpr.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCAssembler.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCObjectStreamer.h"
+#include "llvm/MC/MCSymbolELF.h"
+
+using namespace llvm;
+
+#define DEBUG_TYPE "nios2mcexpr"
+
+const Nios2MCExpr *Nios2MCExpr::create(Nios2MCExpr::Nios2ExprKind Kind,
+                                       const MCExpr *Expr, MCContext &Ctx) {
+  return new (Ctx) Nios2MCExpr(Kind, Expr);
+}
+
+const Nios2MCExpr *Nios2MCExpr::create(const MCSymbol *Symbol,
+                                       Nios2MCExpr::Nios2ExprKind Kind,
+                                       MCContext &Ctx) {
+  const MCSymbolRefExpr *MCSym =
+      MCSymbolRefExpr::create(Symbol, MCSymbolRefExpr::VK_None, Ctx);
+  return new (Ctx) Nios2MCExpr(Kind, MCSym);
+}
+
+void Nios2MCExpr::printImpl(raw_ostream &OS, const MCAsmInfo *MAI) const {
+
+  switch (Kind) {
+  case CEK_None:
+  case CEK_Special:
+    llvm_unreachable("CEK_None and CEK_Special are invalid");
+    break;
+  case CEK_ABS_HI:
+    OS << "%hiadj";
+    break;
+  case CEK_ABS_LO:
+    OS << "%lo";
+    break;
+  }
+
+  OS << '(';
+  Expr->print(OS, MAI, true);
+  OS << ')';
+}
+
+bool Nios2MCExpr::evaluateAsRelocatableImpl(MCValue &Res,
+                                            const MCAsmLayout *Layout,
+                                            const MCFixup *Fixup) const {
+  return getSubExpr()->evaluateAsRelocatable(Res, Layout, Fixup);
+}
+
+void Nios2MCExpr::visitUsedExpr(MCStreamer &Streamer) const {
+  Streamer.visitUsedExpr(*getSubExpr());
+}
+
+void Nios2MCExpr::fixELFSymbolsInTLSFixups(MCAssembler &Asm) const {
+  switch (getKind()) {
+  case CEK_None:
+  case CEK_Special:
+    llvm_unreachable("CEK_None and CEK_Special are invalid");
+    break;
+  case CEK_ABS_HI:
+  case CEK_ABS_LO:
+    break;
+  }
+}