[llvm] r200309 - Provide a stub Target Streamer implementation for PPC MachO

Iain Sandoe iain at codesourcery.com
Tue Jan 28 03:03:18 PST 2014


Author: iains
Date: Tue Jan 28 05:03:17 2014
New Revision: 200309

URL: http://llvm.org/viewvc/llvm-project?rev=200309&view=rev
Log:
Provide a stub Target Streamer implementation for PPC MachO

At present, this handles .tc (error) and needs to be expanded to deal properly with .machine


Modified:
    llvm/trunk/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp

Modified: llvm/trunk/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp?rev=200309&r1=200308&r2=200309&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp (original)
+++ llvm/trunk/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp Tue Jan 28 05:03:17 2014
@@ -139,6 +139,18 @@ public:
     // limit the parser?
   }
 };
+
+class PPCTargetMachOStreamer : public PPCTargetStreamer {
+public:
+  PPCTargetMachOStreamer(MCStreamer &S) : PPCTargetStreamer(S) {}
+  virtual void emitTCEntry(const MCSymbol &S) {
+    llvm_unreachable("Unknown pseudo-op: .tc");
+  }
+  virtual void emitMachine(StringRef CPU) {
+    // FIXME: We should update the CPUType, CPUSubType in the Object file if
+    // the new values are different from the defaults.
+  }
+};
 }
 
 // This is duplicated code. Refactor this.
@@ -149,8 +161,11 @@ static MCStreamer *createMCStreamer(cons
                                     const MCSubtargetInfo &STI,
                                     bool RelaxAll,
                                     bool NoExecStack) {
-  if (Triple(TT).isOSDarwin())
-    return createMachOStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
+  if (Triple(TT).isOSDarwin()) {
+    MCStreamer *S = createMachOStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
+    new PPCTargetMachOStreamer(*S);
+    return S;
+  }
 
   MCStreamer *S =
       createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll, NoExecStack);





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