[Sparc] Add support for decoding call instructions in the sparc disassembler.

[oota-llvm.git] / lib / Target / Sparc / MCTargetDesc / SparcMCAsmInfo.cpp

diff --git a/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp b/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
index 6a7e0902354ebff955541e69e989025ecb36885d..ef5f8ce15582489905bf640b1f56f90740ee2c0c 100644 (file)
--- a/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
+++ b/lib/Target/Sparc/MCTargetDesc/SparcMCAsmInfo.cpp
@@ -12,30 +12,62 @@
 //===----------------------------------------------------------------------===//
 
 #include "SparcMCAsmInfo.h"
+#include "SparcMCExpr.h"
 #include "llvm/ADT/Triple.h"
+#include "llvm/MC/MCStreamer.h"
 
 using namespace llvm;
 
-SparcELFMCAsmInfo::SparcELFMCAsmInfo(const Target &T, StringRef TT) {
+void SparcELFMCAsmInfo::anchor() { }
+
+SparcELFMCAsmInfo::SparcELFMCAsmInfo(StringRef TT) {
   IsLittleEndian = false;
   Triple TheTriple(TT);
-  if (TheTriple.getArch() == Triple::sparcv9)
-    PointerSize = 8;
+  bool isV9 = (TheTriple.getArch() == Triple::sparcv9);
+
+  if (isV9) {
+    PointerSize = CalleeSaveStackSlotSize = 8;
+  }
 
   Data16bitsDirective = "\t.half\t";
   Data32bitsDirective = "\t.word\t";
-  Data64bitsDirective = 0;  // .xword is only supported by V9.
+  // .xword is only supported by V9.
+  Data64bitsDirective = (isV9) ? "\t.xword\t" : 0;
   ZeroDirective = "\t.skip\t";
   CommentString = "!";
   HasLEB128 = true;
   SupportsDebugInformation = true;
-  
+
+  ExceptionsType = ExceptionHandling::DwarfCFI;
+
   SunStyleELFSectionSwitchSyntax = true;
   UsesELFSectionDirectiveForBSS = true;
 
-  WeakRefDirective = "\t.weak\t";
-
-  PrivateGlobalPrefix = ".L";
+  if (TheTriple.getOS() == llvm::Triple::Solaris)
+    UseIntegratedAssembler = true;
 }
 
+const MCExpr*
+SparcELFMCAsmInfo::getExprForPersonalitySymbol(const MCSymbol *Sym,
+                                               unsigned Encoding,
+                                               MCStreamer &Streamer) const {
+  if (Encoding & dwarf::DW_EH_PE_pcrel) {
+    MCContext &Ctx = Streamer.getContext();
+    return SparcMCExpr::Create(SparcMCExpr::VK_Sparc_R_DISP32,
+                               MCSymbolRefExpr::Create(Sym, Ctx), Ctx);
+  }
+
+  return MCAsmInfo::getExprForPersonalitySymbol(Sym, Encoding, Streamer);
+}
 
+const MCExpr*
+SparcELFMCAsmInfo::getExprForFDESymbol(const MCSymbol *Sym,
+                                       unsigned Encoding,
+                                       MCStreamer &Streamer) const {
+  if (Encoding & dwarf::DW_EH_PE_pcrel) {
+    MCContext &Ctx = Streamer.getContext();
+    return SparcMCExpr::Create(SparcMCExpr::VK_Sparc_R_DISP32,
+                               MCSymbolRefExpr::Create(Sym, Ctx), Ctx);
+  }
+  return MCAsmInfo::getExprForFDESymbol(Sym, Encoding, Streamer);
+}