Simplify handling of --noexecstack by using getNonexecutableStackSection.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219799 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/MC/MCAssembler.h b/include/llvm/MC/MCAssembler.h
index 37dafb02606b68c0863cf3a801db46cef560b883..b0a706de341b0de691905f2a9042b0ffcd7ca6be 100644 (file)
--- a/include/llvm/MC/MCAssembler.h
+++ b/include/llvm/MC/MCAssembler.h
@@ -915,7 +915,6 @@ private:
   unsigned BundleAlignSize;
 
   unsigned RelaxAll : 1;
-  unsigned NoExecStack : 1;
   unsigned SubsectionsViaSymbols : 1;
 
   /// ELF specific e_header flags
@@ -1061,9 +1060,6 @@ public:
   bool getRelaxAll() const { return RelaxAll; }
   void setRelaxAll(bool Value) { RelaxAll = Value; }
 
-  bool getNoExecStack() const { return NoExecStack; }
-  void setNoExecStack(bool Value) { NoExecStack = Value; }
-
   bool isBundlingEnabled() const {
     return BundleAlignSize != 0;
   }

diff --git a/include/llvm/MC/MCELFStreamer.h b/include/llvm/MC/MCELFStreamer.h
index 4bfcee377cc581796630a9e0ab0721a78013071b..ab6c5e3d6124042ca63ec005b531090727b1d034 100644 (file)
--- a/include/llvm/MC/MCELFStreamer.h
+++ b/include/llvm/MC/MCELFStreamer.h
@@ -52,7 +52,7 @@ public:
   /// @name MCStreamer Interface
   /// @{
 
-  void InitSections() override;
+  void InitSections(bool NoExecStack) override;
   void ChangeSection(const MCSection *Section,
                      const MCExpr *Subsection) override;
   void EmitLabel(MCSymbol *Symbol) override;
@@ -115,8 +115,7 @@ private:
 
 MCELFStreamer *createARMELFStreamer(MCContext &Context, MCAsmBackend &TAB,
                                     raw_ostream &OS, MCCodeEmitter *Emitter,
-                                    bool RelaxAll, bool NoExecStack,
-                                    bool IsThumb);
+                                    bool RelaxAll, bool IsThumb);
 
 } // end namespace llvm
 

diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h
index 1a694c21830bae36177f078625e50f119ecc61f3..d8ba0c7f2b817a036c08c6913fbab3934c7e5b1d 100644 (file)
--- a/include/llvm/MC/MCStreamer.h
+++ b/include/llvm/MC/MCStreamer.h
@@ -368,7 +368,7 @@ public:
   }
 
   /// Create the default sections and set the initial one.
-  virtual void InitSections();
+  virtual void InitSections(bool NoExecStack);
 
   /// AssignSection - Sets the symbol's section.
   ///
@@ -766,8 +766,8 @@ MCStreamer *createMachOStreamer(MCContext &Ctx, MCAsmBackend &TAB,
 /// createELFStreamer - Create a machine code streamer which will generate
 /// ELF format object files.
 MCStreamer *createELFStreamer(MCContext &Ctx, MCAsmBackend &TAB,
-                              raw_ostream &OS, MCCodeEmitter *CE, bool RelaxAll,
-                              bool NoExecStack);
+                              raw_ostream &OS, MCCodeEmitter *CE,
+                              bool RelaxAll);
 
 } // end namespace llvm
 

diff --git a/include/llvm/MC/MCWinCOFFStreamer.h b/include/llvm/MC/MCWinCOFFStreamer.h
index d6ca5fb61da96c09dc81b68f1cd19d92e061c85f..57a75cec22047cbdb39516598af5d14fd8f36d97 100644 (file)
--- a/include/llvm/MC/MCWinCOFFStreamer.h
+++ b/include/llvm/MC/MCWinCOFFStreamer.h
@@ -39,7 +39,7 @@ public:
   /// \name MCStreamer interface
   /// \{
 
-  void InitSections() override;
+  void InitSections(bool NoExecStack) override;
   void EmitLabel(MCSymbol *Symbol) override;
   void EmitAssemblerFlag(MCAssemblerFlag Flag) override;
   void EmitThumbFunc(MCSymbol *Func) override;

diff --git a/include/llvm/Support/TargetRegistry.h b/include/llvm/Support/TargetRegistry.h
index 5d5b86a6a2aeb634ed09881db9d19e1d96d910de..8ac4b904bb8807f18f681c4e94e79c14dda87cf3 100644 (file)
--- a/include/llvm/Support/TargetRegistry.h
+++ b/include/llvm/Support/TargetRegistry.h
@@ -123,15 +123,10 @@ namespace llvm {
                                                   const MCRegisterInfo &MRI,
                                                   const MCSubtargetInfo &STI,
                                                   MCContext &Ctx);
-    typedef MCStreamer *(*MCObjectStreamerCtorTy)(const Target &T,
-                                                  StringRef TT,
-                                                  MCContext &Ctx,
-                                                  MCAsmBackend &TAB,
-                                                  raw_ostream &_OS,
-                                                  MCCodeEmitter *_Emitter,
-                                                  const MCSubtargetInfo &STI,
-                                                  bool RelaxAll,
-                                                  bool NoExecStack);
+    typedef MCStreamer *(*MCObjectStreamerCtorTy)(
+        const Target &T, StringRef TT, MCContext &Ctx, MCAsmBackend &TAB,
+        raw_ostream &_OS, MCCodeEmitter *_Emitter, const MCSubtargetInfo &STI,
+        bool RelaxAll);
     typedef MCStreamer *(*AsmStreamerCtorTy)(MCContext &Ctx,
                                              formatted_raw_ostream &OS,
                                              bool isVerboseAsm,
@@ -423,18 +418,15 @@ namespace llvm {
     /// \param _OS The stream object.
     /// \param _Emitter The target independent assembler object.Takes ownership.
     /// \param RelaxAll Relax all fixups?
-    /// \param NoExecStack Mark file as not needing a executable stack.
     MCStreamer *createMCObjectStreamer(StringRef TT, MCContext &Ctx,
-                                       MCAsmBackend &TAB,
-                                       raw_ostream &_OS,
+                                       MCAsmBackend &TAB, raw_ostream &_OS,
                                        MCCodeEmitter *_Emitter,
                                        const MCSubtargetInfo &STI,
-                                       bool RelaxAll,
-                                       bool NoExecStack) const {
+                                       bool RelaxAll) const {
       if (!MCObjectStreamerCtorFn)
         return nullptr;
       return MCObjectStreamerCtorFn(*this, TT, Ctx, TAB, _OS, _Emitter, STI,
-                                    RelaxAll, NoExecStack);
+                                    RelaxAll);
     }
 
     /// createAsmStreamer - Create a target specific MCStreamer.

diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index faba9f17c5f7da0ab1095f242202b1fef4625c23..48f20ac39c2e30800554c873cf4cbae2a27b7243 100644 (file)
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -173,7 +173,7 @@ bool AsmPrinter::doInitialization(Module &M) {
   const_cast<TargetLoweringObjectFile&>(getObjFileLowering())
     .Initialize(OutContext, TM);
 
-  OutStreamer.InitSections();
+  OutStreamer.InitSections(false);
 
   Mang = new Mangler(TM.getSubtargetImpl()->getDataLayout());
 

diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 2c77eabb0af001e3f0ff0c51ddaa65d5de72fd20..8afdf5dc46763ceb8b008106c98516b1b8ae24f7 100644 (file)
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -201,9 +201,10 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
     if (!MCE || !MAB)
       return true;
 
-    AsmStreamer.reset(getTarget().createMCObjectStreamer(
-        getTargetTriple(), *Context, *MAB, Out, MCE, STI,
-        Options.MCOptions.MCRelaxAll, Options.MCOptions.MCNoExecStack));
+    AsmStreamer.reset(
+        getTarget()
+            .createMCObjectStreamer(getTargetTriple(), *Context, *MAB, Out, MCE,
+                                    STI, Options.MCOptions.MCRelaxAll));
     break;
   }
   case CGFT_Null:
@@ -255,9 +256,10 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
     return true;
 
   std::unique_ptr<MCStreamer> AsmStreamer;
-  AsmStreamer.reset(getTarget().createMCObjectStreamer(
-      getTargetTriple(), *Ctx, *MAB, Out, MCE, STI,
-      Options.MCOptions.MCRelaxAll, Options.MCOptions.MCNoExecStack));
+  AsmStreamer.reset(getTarget()
+                        .createMCObjectStreamer(getTargetTriple(), *Ctx, *MAB,
+                                                Out, MCE, STI,
+                                                Options.MCOptions.MCRelaxAll));
 
   // Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
   FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);

diff --git a/lib/MC/ELFObjectWriter.cpp b/lib/MC/ELFObjectWriter.cpp
index 371e145bddc7bcba54b22afb6836619768de1346..4577f0130ed65ae6c0205d7d4c63ab0c3cf4e19e 100644 (file)
--- a/lib/MC/ELFObjectWriter.cpp
+++ b/lib/MC/ELFObjectWriter.cpp
@@ -1458,14 +1458,7 @@ void ELFObjectWriter::CreateIndexedSections(MCAssembler &Asm,
                                             RevGroupMapTy &RevGroupMap,
                                             SectionIndexMapTy &SectionIndexMap,
                                             const RelMapTy &RelMap) {
-  // Create the .note.GNU-stack section if needed.
   MCContext &Ctx = Asm.getContext();
-  if (Asm.getNoExecStack()) {
-    const MCSectionELF *GnuStackSection =
-      Ctx.getELFSection(".note.GNU-stack", ELF::SHT_PROGBITS, 0,
-                        SectionKind::getReadOnly());
-    Asm.getOrCreateSectionData(*GnuStackSection);
-  }
 
   // Build the groups
   for (MCAssembler::const_iterator it = Asm.begin(), ie = Asm.end();

diff --git a/lib/MC/MCAssembler.cpp b/lib/MC/MCAssembler.cpp
index 25e12aa3323661a05f56d33ee97efc8c8bd7145e..bc78a298639ad28087b8f9fc6ca7f3552ba9f293 100644 (file)
--- a/lib/MC/MCAssembler.cpp
+++ b/lib/MC/MCAssembler.cpp
@@ -345,9 +345,9 @@ MCSymbolData::MCSymbolData(const MCSymbol &_Symbol, MCFragment *_Fragment,
 MCAssembler::MCAssembler(MCContext &Context_, MCAsmBackend &Backend_,
                          MCCodeEmitter &Emitter_, MCObjectWriter &Writer_,
                          raw_ostream &OS_)
-  : Context(Context_), Backend(Backend_), Emitter(Emitter_), Writer(Writer_),
-    OS(OS_), BundleAlignSize(0), RelaxAll(false), NoExecStack(false),
-    SubsectionsViaSymbols(false), ELFHeaderEFlags(0) {
+    : Context(Context_), Backend(Backend_), Emitter(Emitter_), Writer(Writer_),
+      OS(OS_), BundleAlignSize(0), RelaxAll(false),
+      SubsectionsViaSymbols(false), ELFHeaderEFlags(0) {
   VersionMinInfo.Major = 0; // Major version == 0 for "none specified"
 }
 
@@ -366,7 +366,6 @@ void MCAssembler::reset() {
   ThumbFuncs.clear();
   BundleAlignSize = 0;
   RelaxAll = false;
-  NoExecStack = false;
   SubsectionsViaSymbols = false;
   ELFHeaderEFlags = 0;
   LOHContainer.reset();

diff --git a/lib/MC/MCELFStreamer.cpp b/lib/MC/MCELFStreamer.cpp
index 7c70540dd5b9d08e8ff5375f40288f01583b152d..34049b7c96793e1e7921a4c31b893090e9e87869 100644 (file)
--- a/lib/MC/MCELFStreamer.cpp
+++ b/lib/MC/MCELFStreamer.cpp
@@ -15,6 +15,7 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/MC/MCAsmBackend.h"
+#include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCAssembler.h"
 #include "llvm/MC/MCCodeEmitter.h"
 #include "llvm/MC/MCContext.h"
@@ -38,19 +39,23 @@ using namespace llvm;
 MCELFStreamer::~MCELFStreamer() {
 }
 
-void MCELFStreamer::InitSections() {
+void MCELFStreamer::InitSections(bool NoExecStack) {
   // This emulates the same behavior of GNU as. This makes it easier
   // to compare the output as the major sections are in the same order.
-  SwitchSection(getContext().getObjectFileInfo()->getTextSection());
+  MCContext &Ctx = getContext();
+  SwitchSection(Ctx.getObjectFileInfo()->getTextSection());
   EmitCodeAlignment(4);
 
-  SwitchSection(getContext().getObjectFileInfo()->getDataSection());
+  SwitchSection(Ctx.getObjectFileInfo()->getDataSection());
   EmitCodeAlignment(4);
 
-  SwitchSection(getContext().getObjectFileInfo()->getBSSSection());
+  SwitchSection(Ctx.getObjectFileInfo()->getBSSSection());
   EmitCodeAlignment(4);
 
-  SwitchSection(getContext().getObjectFileInfo()->getTextSection());
+  SwitchSection(Ctx.getObjectFileInfo()->getTextSection());
+
+  if (NoExecStack)
+    SwitchSection(Ctx.getAsmInfo()->getNonexecutableStackSection(Ctx));
 }
 
 void MCELFStreamer::EmitLabel(MCSymbol *Symbol) {
@@ -543,12 +548,10 @@ void MCELFStreamer::FinishImpl() {
 
 MCStreamer *llvm::createELFStreamer(MCContext &Context, MCAsmBackend &MAB,
                                     raw_ostream &OS, MCCodeEmitter *CE,
-                                    bool RelaxAll, bool NoExecStack) {
+                                    bool RelaxAll) {
   MCELFStreamer *S = new MCELFStreamer(Context, MAB, OS, CE);
   if (RelaxAll)
     S->getAssembler().setRelaxAll(true);
-  if (NoExecStack)
-    S->getAssembler().setNoExecStack(true);
   return S;
 }
 

diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index cc1f293ffd399e8e037aef6a0ee61c11b4160499..de7d96129f18e3bb71e75a6953f04197149b536e 100644 (file)
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -607,7 +607,7 @@ const AsmToken &AsmParser::Lex() {
 bool AsmParser::Run(bool NoInitialTextSection, bool NoFinalize) {
   // Create the initial section, if requested.
   if (!NoInitialTextSection)
-    Out.InitSections();
+    Out.InitSections(false);
 
   // Prime the lexer.
   Lex();
@@ -690,7 +690,7 @@ bool AsmParser::Run(bool NoInitialTextSection, bool NoFinalize) {
 void AsmParser::checkForValidSection() {
   if (!ParsingInlineAsm && !getStreamer().getCurrentSection().first) {
     TokError("expected section directive before assembly directive");
-    Out.InitSections();
+    Out.InitSections(false);
   }
 }
 

diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index 2bfb9ba15999293869559513d4bd9803edc1705b..f11ee669b4b6837c5634e3ac469ecb37ce7e3be5 100644 (file)
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -182,7 +182,7 @@ void MCStreamer::EmitEHSymAttributes(const MCSymbol *Symbol,
                                      MCSymbol *EHSymbol) {
 }
 
-void MCStreamer::InitSections() {
+void MCStreamer::InitSections(bool NoExecStack) {
   SwitchSection(getContext().getObjectFileInfo()->getTextSection());
 }
 

diff --git a/lib/MC/WinCOFFStreamer.cpp b/lib/MC/WinCOFFStreamer.cpp
index 078091c1e1634a84b66c9cce98c05e632e0b446a..32813a1d26313751b053cc1df86b1670c9a63a01 100644 (file)
--- a/lib/MC/WinCOFFStreamer.cpp
+++ b/lib/MC/WinCOFFStreamer.cpp
@@ -61,7 +61,7 @@ void MCWinCOFFStreamer::EmitInstToData(const MCInst &Inst,
   DF->getContents().append(Code.begin(), Code.end());
 }
 
-void MCWinCOFFStreamer::InitSections() {
+void MCWinCOFFStreamer::InitSections(bool NoExecStack) {
   // FIXME: this is identical to the ELF one.
   // This emulates the same behavior of GNU as. This makes it easier
   // to compare the output as the major sections are in the same order.

diff --git a/lib/Target/AArch64/MCTargetDesc/AArch64ELFStreamer.cpp b/lib/Target/AArch64/MCTargetDesc/AArch64ELFStreamer.cpp
index a79406d9d1fee9f2f2da8e308756a1d5b2ccb35a..9cf87ea5b9280ad60cb621bcff0974398dbfb52b 100644 (file)
--- a/lib/Target/AArch64/MCTargetDesc/AArch64ELFStreamer.cpp
+++ b/lib/Target/AArch64/MCTargetDesc/AArch64ELFStreamer.cpp
@@ -149,12 +149,10 @@ private:
 namespace llvm {
 MCELFStreamer *createAArch64ELFStreamer(MCContext &Context, MCAsmBackend &TAB,
                                         raw_ostream &OS, MCCodeEmitter *Emitter,
-                                        bool RelaxAll, bool NoExecStack) {
+                                        bool RelaxAll) {
   AArch64ELFStreamer *S = new AArch64ELFStreamer(Context, TAB, OS, Emitter);
   if (RelaxAll)
     S->getAssembler().setRelaxAll(true);
-  if (NoExecStack)
-    S->getAssembler().setNoExecStack(true);
   return S;
 }
 }

diff --git a/lib/Target/AArch64/MCTargetDesc/AArch64ELFStreamer.h b/lib/Target/AArch64/MCTargetDesc/AArch64ELFStreamer.h
index 2c8f4d7f43e7f151f00bf955bd4b037635fb74c3..71b05ccdc6a8e899cae4e90ab7a95da61edc1ef7 100644 (file)
--- a/lib/Target/AArch64/MCTargetDesc/AArch64ELFStreamer.h
+++ b/lib/Target/AArch64/MCTargetDesc/AArch64ELFStreamer.h
@@ -20,7 +20,7 @@ namespace llvm {
 
 MCELFStreamer *createAArch64ELFStreamer(MCContext &Context, MCAsmBackend &TAB,
                                         raw_ostream &OS, MCCodeEmitter *Emitter,
-                                        bool RelaxAll, bool NoExecStack);
+                                        bool RelaxAll);
 }
 
 #endif

diff --git a/lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.cpp b/lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.cpp
index 19f532a39df7a16d25e824456c48cff616c26640..3897339233c1c41aa0abde6aa1f6dd995e3cfa17 100644 (file)
--- a/lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.cpp
+++ b/lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.cpp
@@ -126,15 +126,14 @@ static MCInstPrinter *createAArch64MCInstPrinter(const Target &T,
 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
                                     MCContext &Ctx, MCAsmBackend &TAB,
                                     raw_ostream &OS, MCCodeEmitter *Emitter,
-                                    const MCSubtargetInfo &STI, bool RelaxAll,
-                                    bool NoExecStack) {
+                                    const MCSubtargetInfo &STI, bool RelaxAll) {
   Triple TheTriple(TT);
 
   if (TheTriple.isOSDarwin())
     return createMachOStreamer(Ctx, TAB, OS, Emitter, RelaxAll,
                                /*LabelSections*/ true);
 
-  return createAArch64ELFStreamer(Ctx, TAB, OS, Emitter, RelaxAll, NoExecStack);
+  return createAArch64ELFStreamer(Ctx, TAB, OS, Emitter, RelaxAll);
 }
 
 // Force static initialization.

diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 37aad28dd3cfd10c431ec11dbbbf1ca30c3e6a68..e03915d34c599652009a85eb6d8f459a55a319b1 100644 (file)
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -9260,7 +9260,7 @@ bool ARMAsmParser::parseDirectiveEven(SMLoc L) {
   }
 
   if (!Section) {
-    getStreamer().InitSections();
+    getStreamer().InitSections(false);
     Section = getStreamer().getCurrentSection().first;
   }
 

diff --git a/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp b/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
index ab48e148cf9797fb709b4505f7f677bfb40dc268..24ee537116b9866f8ba909f265d53674b8c8a81a 100644 (file)
--- a/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
+++ b/lib/Target/ARM/MCTargetDesc/ARMELFStreamer.cpp
@@ -1347,10 +1347,9 @@ MCStreamer *createARMNullStreamer(MCContext &Ctx) {
   return S;
 }
 
-  MCELFStreamer* createARMELFStreamer(MCContext &Context, MCAsmBackend &TAB,
-                                      raw_ostream &OS, MCCodeEmitter *Emitter,
-                                      bool RelaxAll, bool NoExecStack,
-                                      bool IsThumb) {
+MCELFStreamer *createARMELFStreamer(MCContext &Context, MCAsmBackend &TAB,
+                                    raw_ostream &OS, MCCodeEmitter *Emitter,
+                                    bool RelaxAll, bool IsThumb) {
     ARMELFStreamer *S = new ARMELFStreamer(Context, TAB, OS, Emitter, IsThumb);
     new ARMTargetELFStreamer(*S);
     // FIXME: This should eventually end up somewhere else where more
@@ -1360,8 +1359,6 @@ MCStreamer *createARMNullStreamer(MCContext &Ctx) {
 
     if (RelaxAll)
       S->getAssembler().setRelaxAll(true);
-    if (NoExecStack)
-      S->getAssembler().setNoExecStack(true);
     return S;
   }
 

diff --git a/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp b/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
index e4c01a4a1d519a9240ea15fbf273556af10f9e5b..c05029ca190a89fdb9858d27454d8e50d030044f 100644 (file)
--- a/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
+++ b/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp
@@ -265,11 +265,8 @@ static MCCodeGenInfo *createARMMCCodeGenInfo(StringRef TT, Reloc::Model RM,
 // This is duplicated code. Refactor this.
 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
                                     MCContext &Ctx, MCAsmBackend &MAB,
-                                    raw_ostream &OS,
-                                    MCCodeEmitter *Emitter,
-                                    const MCSubtargetInfo &STI,
-                                    bool RelaxAll,
-                                    bool NoExecStack) {
+                                    raw_ostream &OS, MCCodeEmitter *Emitter,
+                                    const MCSubtargetInfo &STI, bool RelaxAll) {
   Triple TheTriple(TT);
 
   switch (TheTriple.getObjectFormat()) {
@@ -283,7 +280,7 @@ static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
     assert(TheTriple.isOSWindows() && "non-Windows ARM COFF is not supported");
     return createARMWinCOFFStreamer(Ctx, MAB, *Emitter, OS);
   case Triple::ELF:
-    return createARMELFStreamer(Ctx, MAB, OS, Emitter, false, NoExecStack,
+    return createARMELFStreamer(Ctx, MAB, OS, Emitter, false,
                                 TheTriple.getArch() == Triple::thumb);
   }
 }

diff --git a/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp b/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp
index 7a984f5ba2322e71ed8dea362e85646c41a56dcf..31c69455898967638c007314f23fdf8981e3065f 100644 (file)
--- a/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.cpp
@@ -37,8 +37,8 @@ void MipsELFStreamer::EmitMipsOptionRecords() {
 namespace llvm {
 MCELFStreamer *createMipsELFStreamer(MCContext &Context, MCAsmBackend &MAB,
                                      raw_ostream &OS, MCCodeEmitter *Emitter,
-                                     const MCSubtargetInfo &STI, bool RelaxAll,
-                                     bool NoExecStack) {
+                                     const MCSubtargetInfo &STI,
+                                     bool RelaxAll) {
   return new MipsELFStreamer(Context, MAB, OS, Emitter, STI);
 }
 }

diff --git a/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h b/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h
index 83d33b6013d2c6200cb385ea82eb416b38827236..0bc59eae32e32294226392769c6fc03297b4fed6 100644 (file)
--- a/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h
+++ b/lib/Target/Mips/MCTargetDesc/MipsELFStreamer.h
@@ -52,7 +52,6 @@ public:
 
 MCELFStreamer *createMipsELFStreamer(MCContext &Context, MCAsmBackend &MAB,
                                      raw_ostream &OS, MCCodeEmitter *Emitter,
-                                     const MCSubtargetInfo &STI, bool RelaxAll,
-                                     bool NoExecStack);
+                                     const MCSubtargetInfo &STI, bool RelaxAll);
 } // namespace llvm.
 #endif

diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCNaCl.h b/lib/Target/Mips/MCTargetDesc/MipsMCNaCl.h
index da18979462f2b1f384eb65a3abeb70b7c4a82443..e756b4703efa476545a58a7122cc30f7ad209391 100644 (file)
--- a/lib/Target/Mips/MCTargetDesc/MipsMCNaCl.h
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCNaCl.h
@@ -26,8 +26,7 @@ MCELFStreamer *createMipsNaClELFStreamer(MCContext &Context, MCAsmBackend &TAB,
                                          raw_ostream &OS,
                                          MCCodeEmitter *Emitter,
                                          const MCSubtargetInfo &STI,
-                                         bool RelaxAll, bool NoExecStack);
-
+                                         bool RelaxAll);
 }
 
 #endif

diff --git a/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp b/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
index d2b929bea334ccc285506b5d531eb767d4601d4a..bab4254694333382393caa7ed1c06eb05f3aea73 100644 (file)
--- a/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsMCTargetDesc.cpp
@@ -109,15 +109,12 @@ static MCInstPrinter *createMipsMCInstPrinter(const Target &T,
 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
                                     MCContext &Context, MCAsmBackend &MAB,
                                     raw_ostream &OS, MCCodeEmitter *Emitter,
-                                    const MCSubtargetInfo &STI,
-                                    bool RelaxAll, bool NoExecStack) {
+                                    const MCSubtargetInfo &STI, bool RelaxAll) {
   MCStreamer *S;
   if (!Triple(TT).isOSNaCl())
-    S = createMipsELFStreamer(Context, MAB, OS, Emitter, STI, RelaxAll,
-                              NoExecStack);
+    S = createMipsELFStreamer(Context, MAB, OS, Emitter, STI, RelaxAll);
   else
-    S = createMipsNaClELFStreamer(Context, MAB, OS, Emitter, STI, RelaxAll,
-                                  NoExecStack);
+    S = createMipsNaClELFStreamer(Context, MAB, OS, Emitter, STI, RelaxAll);
   new MipsTargetELFStreamer(*S, STI);
   return S;
 }

diff --git a/lib/Target/Mips/MCTargetDesc/MipsNaClELFStreamer.cpp b/lib/Target/Mips/MCTargetDesc/MipsNaClELFStreamer.cpp
index 6cde8f9ae3e42fad3eb1c8dbad7dbae0823a9e6b..92b84551a68f931fc7c3a837407ebdceb998d984 100644 (file)
--- a/lib/Target/Mips/MCTargetDesc/MipsNaClELFStreamer.cpp
+++ b/lib/Target/Mips/MCTargetDesc/MipsNaClELFStreamer.cpp
@@ -255,13 +255,11 @@ MCELFStreamer *createMipsNaClELFStreamer(MCContext &Context, MCAsmBackend &TAB,
                                          raw_ostream &OS,
                                          MCCodeEmitter *Emitter,
                                          const MCSubtargetInfo &STI,
-                                         bool RelaxAll, bool NoExecStack) {
+                                         bool RelaxAll) {
   MipsNaClELFStreamer *S = new MipsNaClELFStreamer(Context, TAB, OS, Emitter,
                                                    STI);
   if (RelaxAll)
     S->getAssembler().setRelaxAll(true);
-  if (NoExecStack)
-    S->getAssembler().setNoExecStack(true);
 
   // Set bundle-alignment as required by the NaCl ABI for the target.
   S->EmitBundleAlignMode(MIPS_NACL_BUNDLE_ALIGN);

diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp b/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
index 85dcee4c70f3cbf13811e1c36764c8b2ed08176c..00be8f444d3d87d21cc3c658fd0f1523fd44aed2 100644 (file)
--- a/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
+++ b/lib/Target/PowerPC/MCTargetDesc/PPCMCTargetDesc.cpp
@@ -208,19 +208,15 @@ public:
 // This is duplicated code. Refactor this.
 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
                                     MCContext &Ctx, MCAsmBackend &MAB,
-                                    raw_ostream &OS,
-                                    MCCodeEmitter *Emitter,
-                                    const MCSubtargetInfo &STI,
-                                    bool RelaxAll,
-                                    bool NoExecStack) {
+                                    raw_ostream &OS, MCCodeEmitter *Emitter,
+                                    const MCSubtargetInfo &STI, bool 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);
+  MCStreamer *S = createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
   new PPCTargetELFStreamer(*S);
   return S;
 }

diff --git a/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.cpp b/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.cpp
index 38a295659f96b2c45e2bbf14990e20b865f5d661..8731055c461b00d6cdc0ca0ae16867f485d39b00 100644 (file)
--- a/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.cpp
+++ b/lib/Target/R600/MCTargetDesc/AMDGPUMCTargetDesc.cpp
@@ -84,12 +84,9 @@ static MCCodeEmitter *createAMDGPUMCCodeEmitter(const MCInstrInfo &MCII,
 
 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
                                     MCContext &Ctx, MCAsmBackend &MAB,
-                                    raw_ostream &_OS,
-                                    MCCodeEmitter *_Emitter,
-                                    const MCSubtargetInfo &STI,
-                                    bool RelaxAll,
-                                    bool NoExecStack) {
-  return createELFStreamer(Ctx, MAB, _OS, _Emitter, false, false);
+                                    raw_ostream &_OS, MCCodeEmitter *_Emitter,
+                                    const MCSubtargetInfo &STI, bool RelaxAll) {
+  return createELFStreamer(Ctx, MAB, _OS, _Emitter, false);
 }
 
 extern "C" void LLVMInitializeR600TargetMC() {

diff --git a/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp b/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp
index 571017dbf6793f2fced87643113c598401231d17..3cc43142da07c9df489823b8702904587415f0a3 100644 (file)
--- a/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp
+++ b/lib/Target/Sparc/MCTargetDesc/SparcMCTargetDesc.cpp
@@ -125,10 +125,8 @@ static MCCodeGenInfo *createSparcV9MCCodeGenInfo(StringRef TT, Reloc::Model RM,
 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
                                     MCContext &Context, MCAsmBackend &MAB,
                                     raw_ostream &OS, MCCodeEmitter *Emitter,
-                                    const MCSubtargetInfo &STI, bool RelaxAll,
-                                    bool NoExecStack) {
-  MCStreamer *S =
-      createELFStreamer(Context, MAB, OS, Emitter, RelaxAll, NoExecStack);
+                                    const MCSubtargetInfo &STI, bool RelaxAll) {
+  MCStreamer *S = createELFStreamer(Context, MAB, OS, Emitter, RelaxAll);
   new SparcTargetELFStreamer(*S);
   return S;
 }

diff --git a/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp b/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
index cc94869eb5fcfc6e74413b5c11aa9874c58de7f7..6e82b6d98ae43d7704e0bf122e733f0800d46582 100644 (file)
--- a/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
+++ b/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.cpp
@@ -181,15 +181,12 @@ static MCInstPrinter *createSystemZMCInstPrinter(const Target &T,
   return new SystemZInstPrinter(MAI, MII, MRI);
 }
 
-static MCStreamer *createSystemZMCObjectStreamer(const Target &T, StringRef TT,
-                                                 MCContext &Ctx,
-                                                 MCAsmBackend &MAB,
-                                                 raw_ostream &OS,
-                                                 MCCodeEmitter *Emitter,
-                                                 const MCSubtargetInfo &STI,
-                                                 bool RelaxAll,
-                                                 bool NoExecStack) {
-  return createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll, NoExecStack);
+static MCStreamer *
+createSystemZMCObjectStreamer(const Target &T, StringRef TT, MCContext &Ctx,
+                              MCAsmBackend &MAB, raw_ostream &OS,
+                              MCCodeEmitter *Emitter,
+                              const MCSubtargetInfo &STI, bool RelaxAll) {
+  return createELFStreamer(Ctx, MAB, OS, Emitter, RelaxAll);
 }
 
 extern "C" void LLVMInitializeSystemZTargetMC() {

diff --git a/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp b/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
index 5a26a972992a806f109a96fafae0fb7a8f1e899f..5a9181df70e6e2ee2cb49852aa5d8d2cf3be50a7 100644 (file)
--- a/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
+++ b/lib/Target/X86/MCTargetDesc/X86MCTargetDesc.cpp
@@ -351,11 +351,8 @@ static MCCodeGenInfo *createX86MCCodeGenInfo(StringRef TT, Reloc::Model RM,
 
 static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
                                     MCContext &Ctx, MCAsmBackend &MAB,
-                                    raw_ostream &_OS,
-                                    MCCodeEmitter *_Emitter,
-                                    const MCSubtargetInfo &STI,
-                                    bool RelaxAll,
-                                    bool NoExecStack) {
+                                    raw_ostream &_OS, MCCodeEmitter *_Emitter,
+                                    const MCSubtargetInfo &STI, bool RelaxAll) {
   Triple TheTriple(TT);
 
   switch (TheTriple.getObjectFormat()) {
@@ -366,7 +363,7 @@ static MCStreamer *createMCStreamer(const Target &T, StringRef TT,
     assert(TheTriple.isOSWindows() && "only Windows COFF is supported");
     return createX86WinCOFFStreamer(Ctx, MAB, _Emitter, _OS, RelaxAll);
   case Triple::ELF:
-    return createELFStreamer(Ctx, MAB, _OS, _Emitter, RelaxAll, NoExecStack);
+    return createELFStreamer(Ctx, MAB, _OS, _Emitter, RelaxAll);
   }
 }
 

diff --git a/tools/llvm-mc/Disassembler.cpp b/tools/llvm-mc/Disassembler.cpp
index 9367590398745729ceab16459187ea51c83a6423..0ff73c5dd0f49252eec06cc5169ca9fc0c2424f9 100644 (file)
--- a/tools/llvm-mc/Disassembler.cpp
+++ b/tools/llvm-mc/Disassembler.cpp
@@ -185,7 +185,7 @@ int Disassembler::disassemble(const Target &T,
   }
 
   // Set up initial section manually here
-  Streamer.InitSections();
+  Streamer.InitSections(false);
 
   bool ErrorOccurred = false;
 

diff --git a/tools/llvm-mc/llvm-mc.cpp b/tools/llvm-mc/llvm-mc.cpp
index 61d1d9960d028491ccaa9bab4a3848b375318324..5da9e8662353bd9bb8220754da072b09f6f9a2b5 100644 (file)
--- a/tools/llvm-mc/llvm-mc.cpp
+++ b/tools/llvm-mc/llvm-mc.cpp
@@ -471,9 +471,10 @@ int main(int argc, char **argv) {
     assert(FileType == OFT_ObjectFile && "Invalid file type!");
     MCCodeEmitter *CE = TheTarget->createMCCodeEmitter(*MCII, *MRI, *STI, Ctx);
     MCAsmBackend *MAB = TheTarget->createMCAsmBackend(*MRI, TripleName, MCPU);
-    Str.reset(TheTarget->createMCObjectStreamer(TripleName, Ctx, *MAB,
-                                                FOS, CE, *STI, RelaxAll,
-                                                NoExecStack));
+    Str.reset(TheTarget->createMCObjectStreamer(TripleName, Ctx, *MAB, FOS, CE,
+                                                *STI, RelaxAll));
+    if (NoExecStack)
+      Str->InitSections(true);
   }
 
   int Res = 1;