[Sparc] Add target specific MCExpr class to handle sparc specific modifiers like %hi, %lo, etc.,
llvm-svn: 198029
diff --git a/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp b/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp
new file mode 100644
index 0000000..c38a3a6
--- /dev/null
+++ b/llvm/lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp
@@ -0,0 +1,84 @@
+//===-- SparcMCExpr.cpp - Sparc 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.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the implementation of the assembly expression modifiers
+// accepted by the Sparc architecture (e.g. "%hi", "%lo", ...).
+//
+//===----------------------------------------------------------------------===//
+
+#define DEBUG_TYPE "sparcmcexpr"
+#include "SparcMCExpr.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCAssembler.h"
+#include "llvm/MC/MCELF.h"
+#include "llvm/Object/ELF.h"
+
+
+using namespace llvm;
+
+const SparcMCExpr*
+SparcMCExpr::Create(VariantKind Kind, const MCExpr *Expr,
+ MCContext &Ctx) {
+ return new (Ctx) SparcMCExpr(Kind, Expr);
+}
+
+
+void SparcMCExpr::PrintImpl(raw_ostream &OS) const
+{
+ bool closeParen = true;
+ switch (Kind) {
+ case VK_Sparc_None: closeParen = false; break;
+ case VK_Sparc_LO: OS << "%lo("; break;
+ case VK_Sparc_HI: OS << "%hi("; break;
+ case VK_Sparc_H44: OS << "%h44("; break;
+ case VK_Sparc_M44: OS << "%m44("; break;
+ case VK_Sparc_L44: OS << "%l44("; break;
+ case VK_Sparc_HH: OS << "%hh("; break;
+ case VK_Sparc_HM: OS << "%hm("; break;
+ case VK_Sparc_TLS_GD_HI22: OS << "%tgd_hi22("; break;
+ case VK_Sparc_TLS_GD_LO10: OS << "%tgd_lo10("; break;
+ case VK_Sparc_TLS_GD_ADD: OS << "%tgd_add("; break;
+ case VK_Sparc_TLS_GD_CALL: OS << "%tgd_call("; break;
+ case VK_Sparc_TLS_LDM_HI22: OS << "%tldm_hi22("; break;
+ case VK_Sparc_TLS_LDM_LO10: OS << "%tldm_lo10("; break;
+ case VK_Sparc_TLS_LDM_ADD: OS << "%tldm_add("; break;
+ case VK_Sparc_TLS_LDM_CALL: OS << "%tldm_call("; break;
+ case VK_Sparc_TLS_LDO_HIX22: OS << "%tldo_hix22("; break;
+ case VK_Sparc_TLS_LDO_LOX10: OS << "%tldo_lox10("; break;
+ case VK_Sparc_TLS_LDO_ADD: OS << "%tldo_add("; break;
+ case VK_Sparc_TLS_IE_HI22: OS << "%tie_hi22("; break;
+ case VK_Sparc_TLS_IE_LO10: OS << "%tie_lo10("; break;
+ case VK_Sparc_TLS_IE_LD: OS << "%tie_ld("; break;
+ case VK_Sparc_TLS_IE_LDX: OS << "%tie_ldx("; break;
+ case VK_Sparc_TLS_IE_ADD: OS << "%tie_add("; break;
+ case VK_Sparc_TLS_LE_HIX22: OS << "%tle_hix22("; break;
+ case VK_Sparc_TLS_LE_LOX10: OS << "%tle_lox10("; break;
+ }
+
+ const MCExpr *Expr = getSubExpr();
+ Expr->print(OS);
+ if (closeParen)
+ OS << ')';
+}
+
+bool
+SparcMCExpr::EvaluateAsRelocatableImpl(MCValue &Res,
+ const MCAsmLayout *Layout) const {
+ assert(0 && "FIXME: Implement SparcMCExpr::EvaluateAsRelocatableImpl");
+ return getSubExpr()->EvaluateAsRelocatable(Res, *Layout);
+}
+
+
+void SparcMCExpr::fixELFSymbolsInTLSFixups(MCAssembler &Asm) const {
+ assert(0 && "FIXME: Implement SparcMCExpr::fixELFSymbolsInTLSFixups");
+}
+
+void SparcMCExpr::AddValueSymbols(MCAssembler *Asm) const {
+ assert(0 && "FIXME: Implement SparcMCExpr::AddValueSymbols");
+}