Refactor ARM subarchitecture parsing

[oota-llvm.git] / lib / Target / ARM / ARMTargetObjectFile.cpp

diff --git a/lib/Target/ARM/ARMTargetObjectFile.cpp b/lib/Target/ARM/ARMTargetObjectFile.cpp
index 3d85ca7d6995d1af5d68a3c77e9331a29d29c9ce..48238bfcf696b25d85fbfac71d415732fe290f56 100644 (file)
--- a/lib/Target/ARM/ARMTargetObjectFile.cpp
+++ b/lib/Target/ARM/ARMTargetObjectFile.cpp
@@ -9,12 +9,15 @@
 
 #include "ARMTargetObjectFile.h"
 #include "ARMSubtarget.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/IR/Mangler.h"
+#include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCSectionELF.h"
 #include "llvm/Support/Dwarf.h"
 #include "llvm/Support/ELF.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/ADT/StringExtras.h"
+#include "llvm/Target/TargetLowering.h"
 using namespace llvm;
 using namespace dwarf;
 
@@ -29,7 +32,7 @@ void ARMElfTargetObjectFile::Initialize(MCContext &Ctx,
   InitializeELF(isAAPCS_ABI);
 
   if (isAAPCS_ABI) {
-    LSDASection = NULL;
+    LSDASection = nullptr;
   }
 
   AttributesSection =
@@ -38,3 +41,23 @@ void ARMElfTargetObjectFile::Initialize(MCContext &Ctx,
                                0,
                                SectionKind::getMetadata());
 }
+
+const MCExpr *ARMElfTargetObjectFile::getTTypeGlobalReference(
+    const GlobalValue *GV, unsigned Encoding, Mangler &Mang,
+    const TargetMachine &TM, MachineModuleInfo *MMI,
+    MCStreamer &Streamer) const {
+  if (TM.getMCAsmInfo()->getExceptionHandlingType() != ExceptionHandling::ARM)
+    return TargetLoweringObjectFileELF::getTTypeGlobalReference(
+        GV, Encoding, Mang, TM, MMI, Streamer);
+
+  assert(Encoding == DW_EH_PE_absptr && "Can handle absptr encoding only");
+
+  return MCSymbolRefExpr::Create(TM.getSymbol(GV, Mang),
+                                 MCSymbolRefExpr::VK_ARM_TARGET2, getContext());
+}
+
+const MCExpr *ARMElfTargetObjectFile::
+getDebugThreadLocalSymbol(const MCSymbol *Sym) const {
+  return MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_ARM_TLSLDO,
+                                 getContext());
+}