[llvm-commits] [llvm] r131525 - /llvm/trunk/lib/MC/MCAsmStreamer.cpp

[Chris Lattner]

On May 17, 2011, at 9:58 PM, Charles Davis wrote:

> Author: cdavis
> Date: Tue May 17 23:58:05 2011
> New Revision: 131525
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=131525&view=rev
> Log:
> Implement the Win64 EH directive methods for the assembly language streamer.
> 
> GAS has no such directives (not even mingw-w64 GAS has them), so I took
> creative license with their names in assembly. I prefixed them all with
> "w64_" to avoid namespace collisions, for example. If I discover that GAS
> has taken a different approach, I'll change ours to match.

Hi Chip,

Please remove the commented out lines of code.

-Chris

> 
> Modified:
>    llvm/trunk/lib/MC/MCAsmStreamer.cpp
> 
> Modified: llvm/trunk/lib/MC/MCAsmStreamer.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCAsmStreamer.cpp?rev=131525&r1=131524&r2=131525&view=diff
> ==============================================================================
> --- llvm/trunk/lib/MC/MCAsmStreamer.cpp (original)
> +++ llvm/trunk/lib/MC/MCAsmStreamer.cpp Tue May 17 23:58:05 2011
> @@ -208,6 +208,15 @@
>   virtual void EmitCFIRelOffset(int64_t Register, int64_t Offset);
>   virtual void EmitCFIAdjustCfaOffset(int64_t Adjustment);
> 
> +  virtual void EmitWin64EHStartProc(MCSymbol *Symbol, MCSymbol *EHandler = 0);
> +  virtual void EmitWin64EHEndProc();
> +  virtual void EmitWin64EHPushReg(int64_t Register);
> +  virtual void EmitWin64EHSetFrame(int64_t Register, int64_t Offset);
> +  virtual void EmitWin64EHAllocStack(int64_t Size);
> +  virtual void EmitWin64EHSaveReg(int64_t Register, int64_t Offset);
> +  virtual void EmitWin64EHPushFrame(bool Code);
> +  virtual void EmitWin64EHEndProlog();
> +
>   virtual void EmitFnStart();
>   virtual void EmitFnEnd();
>   virtual void EmitCantUnwind();
> @@ -915,6 +924,74 @@
>   EmitEOL();
> }
> 
> +void MCAsmStreamer::EmitWin64EHStartProc(MCSymbol *Symbol, MCSymbol *EHandler)
> +{
> +  //MCStreamer::EmitWin64EHStartProc(Symbol, EHandler);
> +
> +  OS << ".w64_startproc " << *Symbol;
> +  if (EHandler)
> +    OS << ", " << *EHandler;
> +  EmitEOL();
> +}
> +
> +void MCAsmStreamer::EmitWin64EHEndProc()
> +{
> +  //MCStreamer::EmitWin64EHEndProc();
> +
> +  OS << "\t.w64_endproc";
> +  EmitEOL();
> +}
> +
> +void MCAsmStreamer::EmitWin64EHPushReg(int64_t Register)
> +{
> +  //MCStreamer::EmitWin64EHPushReg(Register);
> +
> +  OS << "\t.w64_pushreg " << Register;
> +  EmitEOL();
> +}
> +
> +void MCAsmStreamer::EmitWin64EHSetFrame(int64_t Register, int64_t Offset)
> +{
> +  //MCStreamer::EmitWin64EHSetFrame(Register, Offset);
> +
> +  OS << "\t.w64_setframe " << Register << ", " << Offset;
> +  EmitEOL();
> +}
> +
> +void MCAsmStreamer::EmitWin64EHAllocStack(int64_t Size)
> +{
> +  //MCStremaer::EmitWin64EHAllocStack(Size);
> +
> +  OS << "\t.w64_allocstack " << Size;
> +  EmitEOL();
> +}
> +
> +void MCAsmStreamer::EmitWin64EHSaveReg(int64_t Register, int64_t Offset)
> +{
> +  //MCStreamer::EmitWin64EHSaveReg(Register, Offset)
> +
> +  OS << "\t.w64_savereg " << Register << ", " << Offset;
> +  EmitEOL();
> +}
> +
> +void MCAsmStreamer::EmitWin64EHPushFrame(bool Code)
> +{
> +  //MCStreamer::EmitWin64EHPushFrame(Code);
> +
> +  OS << "\t.w64_pushframe";
> +  if (Code)
> +    OS << " " << "code";
> +  EmitEOL();
> +}
> +
> +void MCAsmStreamer::EmitWin64EHEndProlog(void)
> +{
> +  //MCStreamer::EmitWin64EHEndProlog();
> +
> +  OS << "\t.w64_endprolog";
> +  EmitEOL();
> +}
> +
> void MCAsmStreamer::AddEncodingComment(const MCInst &Inst) {
>   raw_ostream &OS = GetCommentOS();
>   SmallString<256> Code;
> 
> 
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