[llvm-commits] [llvm] r77184 - in /llvm/trunk: include/llvm/Target/ lib/CodeGen/ lib/CodeGen/AsmPrinter/ lib/Target/ lib/Target/ARM/ lib/Target/ARM/AsmPrinter/ lib/Target/CellSPU/ lib/Target/MSP430/ lib/Target/Mips/ lib/Target/PIC16/ lib/Target/P

Rafael Espindola espindola at google.com
Thu Jul 30 10:07:24 PDT 2009


This caused http://llvm.org/PR4650

2009/7/26 Chris Lattner <sabre at nondot.org>:
> Author: lattner
> Date: Mon Jul 27 00:32:16 2009
> New Revision: 77184
>
> URL: http://llvm.org/viewvc/llvm-project?rev=77184&view=rev
> Log:
> Eliminate SectionFlags, just embed a SectionKind into Section
> instead and drive things based off of that.
>
> Modified:
>    llvm/trunk/include/llvm/Target/ELFTargetAsmInfo.h
>    llvm/trunk/include/llvm/Target/TargetAsmInfo.h
>    llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
>    llvm/trunk/lib/CodeGen/ELFWriter.cpp
>    llvm/trunk/lib/CodeGen/ELFWriter.h
>    llvm/trunk/lib/Target/ARM/ARMTargetAsmInfo.cpp
>    llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
>    llvm/trunk/lib/Target/CellSPU/SPUTargetAsmInfo.cpp
>    llvm/trunk/lib/Target/DarwinTargetAsmInfo.cpp
>    llvm/trunk/lib/Target/ELFTargetAsmInfo.cpp
>    llvm/trunk/lib/Target/MSP430/MSP430TargetAsmInfo.cpp
>    llvm/trunk/lib/Target/Mips/MipsTargetAsmInfo.cpp
>    llvm/trunk/lib/Target/PIC16/PIC16AsmPrinter.cpp
>    llvm/trunk/lib/Target/PIC16/PIC16TargetAsmInfo.cpp
>    llvm/trunk/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
>    llvm/trunk/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
>    llvm/trunk/lib/Target/Sparc/SparcTargetAsmInfo.cpp
>    llvm/trunk/lib/Target/Sparc/SparcTargetAsmInfo.h
>    llvm/trunk/lib/Target/SystemZ/SystemZTargetAsmInfo.cpp
>    llvm/trunk/lib/Target/TargetAsmInfo.cpp
>    llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
>    llvm/trunk/lib/Target/X86/X86TargetAsmInfo.cpp
>    llvm/trunk/lib/Target/X86/X86TargetAsmInfo.h
>    llvm/trunk/lib/Target/XCore/XCoreTargetAsmInfo.cpp
>
> Modified: llvm/trunk/include/llvm/Target/ELFTargetAsmInfo.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/ELFTargetAsmInfo.h?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/include/llvm/Target/ELFTargetAsmInfo.h (original)
> +++ llvm/trunk/include/llvm/Target/ELFTargetAsmInfo.h Mon Jul 27 00:32:16 2009
> @@ -31,19 +31,16 @@
>     virtual const Section *
>     getSectionForMergeableConstant(SectionKind Kind) const;
>
> -    /// getFlagsForNamedSection - If this target wants to be able to infer
> -    /// section flags based on the name of the section specified for a global
> -    /// variable, it can implement this.  This is used on ELF systems so that
> -    /// ".tbss" gets the TLS bit set etc.
> -    virtual unsigned getFlagsForNamedSection(const char *Section) const;
> +    virtual SectionKind::Kind getKindForNamedSection(const char *Section,
> +                                                     SectionKind::Kind K) const;
> +    void getSectionFlagsAsString(SectionKind Kind,
> +                                 SmallVectorImpl<char> &Str) const;
>
>     const char *getSectionPrefixForUniqueGlobal(SectionKind Kind) const;
>
>     virtual const Section* SelectSectionForGlobal(const GlobalValue *GV,
>                                                   SectionKind Kind) const;
> -    virtual void getSectionFlags(unsigned Flags,
> -                                 SmallVectorImpl<char> &Str) const;
> -
> +
>     const Section *DataRelSection;
>     const Section *DataRelLocalSection;
>     const Section *DataRelROSection;
>
> Modified: llvm/trunk/include/llvm/Target/TargetAsmInfo.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetAsmInfo.h?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/include/llvm/Target/TargetAsmInfo.h (original)
> +++ llvm/trunk/include/llvm/Target/TargetAsmInfo.h Mon Jul 27 00:32:16 2009
> @@ -22,6 +22,9 @@
>
>  namespace llvm {
>   template <typename T> class SmallVectorImpl;
> +  class TargetMachine;
> +  class GlobalValue;
> +  class Mangler;
>
>   // DWARF encoding query type
>   namespace DwarfEncoding {
> @@ -39,8 +42,12 @@
>   ///
>   /// The comments below describe these as if they were an inheritance hierarchy
>   /// in order to explain the predicates below.
> -  struct SectionKind {
> +  class SectionKind {
> +  public:
>     enum Kind {
> +      /// Metadata - Debug info sections or other metadata.
> +      Metadata,
> +
>       /// Text - Text section, used for functions and other executable code.
>       Text,
>
> @@ -140,6 +147,8 @@
>     bool isWeak() const { return Weak; }
>     bool hasExplicitSection() const { return ExplicitSection; }
>
> +
> +    bool isMetadata() const { return K == Metadata; }
>     bool isText() const { return K == Text; }
>
>     bool isReadOnly() const {
> @@ -191,7 +200,7 @@
>       return K == ReadOnlyWithRelLocal;
>     }
>
> -    static SectionKind get(Kind K, bool isWeak,
> +    static SectionKind get(Kind K, bool isWeak = false,
>                            bool hasExplicitSection = false) {
>       SectionKind Res;
>       Res.K = K;
> @@ -201,65 +210,18 @@
>     }
>   };
>
> -  namespace SectionFlags {
> -    const unsigned Invalid    = -1U;
> -    const unsigned None       = 0;
> -    const unsigned Code       = 1 << 0;  ///< Section contains code
> -    const unsigned Writable   = 1 << 1;  ///< Section is writeable
> -    const unsigned BSS        = 1 << 2;  ///< Section contains only zeroes
> -    const unsigned Mergeable  = 1 << 3;  ///< Section contains mergeable data
> -    const unsigned Strings    = 1 << 4;  ///< Section contains C-type strings
> -    const unsigned TLS        = 1 << 5;  ///< Section contains thread-local data
> -    const unsigned Debug      = 1 << 6;  ///< Section contains debug data
> -    const unsigned Linkonce   = 1 << 7;  ///< Section is linkonce
> -    const unsigned TypeFlags  = 0xFF;
> -    // Some gap for future flags
> -
> -    /// Named - True if this section should be printed with ".section <name>",
> -    /// false if the section name is something like ".const".
> -    const unsigned Named      = 1 << 23; ///< Section is named
> -    const unsigned EntitySize = 0xFF << 24; ///< Entity size for mergeable stuff
> -
> -    static inline unsigned getEntitySize(unsigned Flags) {
> -      return (Flags >> 24) & 0xFF;
> -    }
> -
> -    // FIXME: Why does this return a value?
> -    static inline unsigned setEntitySize(unsigned Flags, unsigned Size) {
> -      return (Flags & ~EntitySize) | ((Size & 0xFF) << 24);
> -    }
> -
> -    struct KeyInfo {
> -      static inline unsigned getEmptyKey() { return Invalid; }
> -      static inline unsigned getTombstoneKey() { return Invalid - 1; }
> -      static unsigned getHashValue(const unsigned &Key) { return Key; }
> -      static bool isEqual(unsigned LHS, unsigned RHS) { return LHS == RHS; }
> -      static bool isPod() { return true; }
> -    };
> -  }
> -
> -  class TargetMachine;
> -  class CallInst;
> -  class GlobalValue;
> -  class Type;
> -  class Mangler;
> -
>   class Section {
>     friend class TargetAsmInfo;
>     friend class StringMapEntry<Section>;
>     friend class StringMap<Section>;
>
>     std::string Name;
> -    unsigned Flags;
> -    explicit Section(unsigned F = SectionFlags::Invalid) : Flags(F) { }
> +    SectionKind Kind;
> +    explicit Section() { }
>
>   public:
> -    unsigned getEntitySize() const { return (Flags >> 24) & 0xFF; }
> -
>     const std::string &getName() const { return Name; }
> -    unsigned getFlags() const { return Flags; }
> -
> -    bool hasFlag(unsigned F) const { return (Flags & F) != 0; }
> +    SectionKind getKind() const { return Kind; }
>   };
>
>   /// TargetAsmInfo - This class is intended to be used as a base class for asm
> @@ -678,9 +640,9 @@
>     virtual ~TargetAsmInfo();
>
>     const Section* getNamedSection(const char *Name,
> -                                   unsigned Flags = SectionFlags::None) const;
> +                                   SectionKind::Kind K) const;
>     const Section* getUnnamedSection(const char *Directive,
> -                                     unsigned Flags = SectionFlags::None) const;
> +                                     SectionKind::Kind K) const;
>
>     /// Measure the specified inline asm to determine an approximation of its
>     /// length.
> @@ -717,12 +679,13 @@
>       return 0;
>     }
>
> -    /// getFlagsForNamedSection - If this target wants to be able to infer
> +    /// getKindForNamedSection - If this target wants to be able to override
>     /// section flags based on the name of the section specified for a global
>     /// variable, it can implement this.  This is used on ELF systems so that
>     /// ".tbss" gets the TLS bit set etc.
> -    virtual unsigned getFlagsForNamedSection(const char *Section) const {
> -      return 0;
> +    virtual SectionKind::Kind getKindForNamedSection(const char *Section,
> +                                                     SectionKind::Kind K) const{
> +      return K;
>     }
>
>     /// SectionForGlobal - This method computes the appropriate section to emit
> @@ -741,10 +704,11 @@
>       return 0;
>     }
>
> -    /// Turn the specified flags into a string that can be printed to the
> -    /// assembly file.
> -    virtual void getSectionFlags(unsigned Flags,
> -                                 SmallVectorImpl<char> &Str) const {
> +    /// getSectionFlagsAsString - Turn the flags in the specified SectionKind
> +    /// into a string that can be printed to the assembly file after the
> +    /// ".section foo" part of a section directive.
> +    virtual void getSectionFlagsAsString(SectionKind Kind,
> +                                         SmallVectorImpl<char> &Str) const {
>     }
>
>  // FIXME: Eliminate this.
>
> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp (original)
> +++ llvm/trunk/lib/CodeGen/AsmPrinter/AsmPrinter.cpp Mon Jul 27 00:32:16 2009
> @@ -117,8 +117,8 @@
>
>  /// SwitchToSection - Switch to the specified section of the executable if we
>  /// are not already in it!
> -void AsmPrinter::SwitchToSection(const Section* NS) {
> -  const std::string& NewSection = NS->getName();
> +void AsmPrinter::SwitchToSection(const Section *NS) {
> +  const std::string &NewSection = NS->getName();
>
>   // If we're already in this section, we're done.
>   if (CurrentSection == NewSection) return;
> @@ -135,20 +135,20 @@
>     // If section is named we need to switch into it via special '.section'
>     // directive and also append funky flags. Otherwise - section name is just
>     // some magic assembler directive.
> -    if (NS->hasFlag(SectionFlags::Named)) {
> -      O << TAI->getSwitchToSectionDirective()
> -        << CurrentSection;
> -
> +    if (NS->getKind().hasExplicitSection()) {
>       SmallString<32> FlagsStr;
> -      TAI->getSectionFlags(NS->getFlags(), FlagsStr);
> -      O << FlagsStr.c_str();
> +      TAI->getSectionFlagsAsString(NS->getKind(), FlagsStr);
> +
> +      O << TAI->getSwitchToSectionDirective()
> +        << CurrentSection
> +        << FlagsStr.c_str();
>     } else {
>       O << CurrentSection;
>     }
>     O << TAI->getDataSectionStartSuffix() << '\n';
>   }
>
> -  IsInTextSection = (NS->getFlags() & SectionFlags::Code);
> +  IsInTextSection = NS->getKind().isText();
>  }
>
>  void AsmPrinter::getAnalysisUsage(AnalysisUsage &AU) const {
> @@ -404,7 +404,7 @@
>   bool JTInDiffSection = false;
>   if ((IsPic && !(LoweringInfo && LoweringInfo->usesGlobalOffsetTable())) ||
>       !JumpTableDataSection ||
> -      FuncSection->hasFlag(SectionFlags::Linkonce)) {
> +      FuncSection->getKind().isWeak()) {
>     // In PIC mode, we need to emit the jump table to the same section as the
>     // function body itself, otherwise the label differences won't make sense.
>     // We should also do if the section name is NULL or function is declared in
>
> Modified: llvm/trunk/lib/CodeGen/ELFWriter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/ELFWriter.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/ELFWriter.cpp (original)
> +++ llvm/trunk/lib/CodeGen/ELFWriter.cpp Mon Jul 27 00:32:16 2009
> @@ -228,18 +228,18 @@
>
>  // getElfSectionFlags - Get the ELF Section Header flags based
>  // on the flags defined in ELFTargetAsmInfo.
> -unsigned ELFWriter::getElfSectionFlags(unsigned Flags) {
> +unsigned ELFWriter::getElfSectionFlags(SectionKind Kind) {
>   unsigned ElfSectionFlags = ELFSection::SHF_ALLOC;
>
> -  if (Flags & SectionFlags::Code)
> +  if (Kind.isText())
>     ElfSectionFlags |= ELFSection::SHF_EXECINSTR;
> -  if (Flags & SectionFlags::Writable)
> +  if (Kind.isWriteable())
>     ElfSectionFlags |= ELFSection::SHF_WRITE;
> -  if (Flags & SectionFlags::Mergeable)
> +  if (Kind.isMergeableConst())
>     ElfSectionFlags |= ELFSection::SHF_MERGE;
> -  if (Flags & SectionFlags::TLS)
> +  if (Kind.isThreadLocal())
>     ElfSectionFlags |= ELFSection::SHF_TLS;
> -  if (Flags & SectionFlags::Strings)
> +  if (Kind.isMergeableCString())
>     ElfSectionFlags |= ELFSection::SHF_STRINGS;
>
>   return ElfSectionFlags;
> @@ -293,7 +293,7 @@
>
>     // Get ELF section from TAI
>     const Section *S = TAI->SectionForGlobal(GV);
> -    unsigned SectionFlags = getElfSectionFlags(S->getFlags());
> +    unsigned SectionFlags = getElfSectionFlags(S->getKind());
>
>     // The symbol align should update the section alignment if needed
>     const TargetData *TD = TM.getTargetData();
>
> Modified: llvm/trunk/lib/CodeGen/ELFWriter.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/ELFWriter.h?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/CodeGen/ELFWriter.h (original)
> +++ llvm/trunk/lib/CodeGen/ELFWriter.h Mon Jul 27 00:32:16 2009
> @@ -34,6 +34,7 @@
>   class TargetAsmInfo;
>   class TargetELFWriterInfo;
>   class raw_ostream;
> +  class SectionKind;
>
>   typedef std::vector<ELFSym*>::iterator ELFSymIter;
>   typedef std::vector<ELFSection*>::iterator ELFSectionIter;
> @@ -209,7 +210,7 @@
>     unsigned getGlobalELFBinding(const GlobalValue *GV);
>     unsigned getGlobalELFType(const GlobalValue *GV);
>     unsigned getGlobalELFVisibility(const GlobalValue *GV);
> -    unsigned getElfSectionFlags(unsigned Flags);
> +    unsigned getElfSectionFlags(SectionKind Kind);
>
>     // setGlobalSymLookup - Set global value 'GV' with 'Index' in the lookup map
>     void setGlobalSymLookup(const GlobalValue *GV, unsigned Index) {
>
> Modified: llvm/trunk/lib/Target/ARM/ARMTargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMTargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/ARMTargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/ARM/ARMTargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -59,8 +59,7 @@
>   ARMTargetAsmInfo<ELFTargetAsmInfo>(TM) {
>   Subtarget = &TM.getSubtarget<ARMSubtarget>();
>
> -  BSSSection_ = getUnnamedSection("\t.bss",
> -                                  SectionFlags::Writable | SectionFlags::BSS);
> +  BSSSection_ = getUnnamedSection("\t.bss", SectionKind::BSS);
>
>   NeedsSet = false;
>   HasLEB128 = true;
>
> Modified: llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp (original)
> +++ llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp Mon Jul 27 00:32:16 2009
> @@ -1130,9 +1130,10 @@
>   const Section *TheSection = TAI->SectionForGlobal(GVar);
>   SwitchToSection(TheSection);
>
> +  // FIXME: get this stuff from section kind flags.
>   if (C->isNullValue() && !GVar->hasSection() && !GVar->isThreadLocal() &&
>       // Don't put things that should go in the cstring section into "comm".
> -      !TheSection->hasFlag(SectionFlags::Strings)) {
> +      !TheSection->getKind().isMergeableCString()) {
>     if (GVar->hasExternalLinkage()) {
>       if (const char *Directive = TAI->getZeroFillDirective()) {
>         O << "\t.globl\t" << name << "\n";
>
> Modified: llvm/trunk/lib/Target/CellSPU/SPUTargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/CellSPU/SPUTargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/CellSPU/SPUTargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/CellSPU/SPUTargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -35,8 +35,7 @@
>
>   // BSS section needs to be emitted as ".section"
>   BSSSection = "\t.section\t.bss";
> -  BSSSection_ = getUnnamedSection("\t.section\t.bss",
> -                                  SectionFlags::Writable | SectionFlags::BSS);
> +  BSSSection_ = getUnnamedSection("\t.section\t.bss", SectionKind::BSS);
>
>   SupportsDebugInformation = true;
>   NeedsSet = true;
>
> Modified: llvm/trunk/lib/Target/DarwinTargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/DarwinTargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/DarwinTargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/DarwinTargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -29,28 +29,29 @@
>   : TargetAsmInfo(TM) {
>
>   CStringSection_ = getUnnamedSection("\t.cstring",
> -                                SectionFlags::Mergeable |SectionFlags::Strings);
> +                                      SectionKind::MergeableCString);
>   FourByteConstantSection = getUnnamedSection("\t.literal4\n",
> -                                              SectionFlags::Mergeable);
> +                                              SectionKind::MergeableConst4);
>   EightByteConstantSection = getUnnamedSection("\t.literal8\n",
> -                                               SectionFlags::Mergeable);
> +                                               SectionKind::MergeableConst8);
>
>   // Note: 16-byte constant section is subtarget specific and should be provided
>   // there, if needed.
>   SixteenByteConstantSection = 0;
>
> -  ReadOnlySection = getUnnamedSection("\t.const", SectionFlags::None);
> +  ReadOnlySection = getUnnamedSection("\t.const", SectionKind::ReadOnly);
>
>   TextCoalSection =
>     getNamedSection("\t__TEXT,__textcoal_nt,coalesced,pure_instructions",
> -                    SectionFlags::Code);
> +                    SectionKind::Text);
>   ConstTextCoalSection = getNamedSection("\t__TEXT,__const_coal,coalesced",
> -                                         SectionFlags::None);
> +                                         SectionKind::Text);
>   ConstDataCoalSection = getNamedSection("\t__DATA,__const_coal,coalesced",
> -                                         SectionFlags::None);
> -  ConstDataSection = getUnnamedSection("\t.const_data", SectionFlags::None);
> +                                         SectionKind::Text);
> +  ConstDataSection = getUnnamedSection("\t.const_data",
> +                                       SectionKind::ReadOnlyWithRel);
>   DataCoalSection = getNamedSection("\t__DATA,__datacoal_nt,coalesced",
> -                                    SectionFlags::Writable);
> +                                    SectionKind::DataRel);
>
>
>   // Common settings for all Darwin targets.
>
> Modified: llvm/trunk/lib/Target/ELFTargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ELFTargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/ELFTargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/ELFTargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -27,28 +27,24 @@
>  ELFTargetAsmInfo::ELFTargetAsmInfo(const TargetMachine &TM)
>   : TargetAsmInfo(TM) {
>
> -  BSSSection_ = getUnnamedSection("\t.bss",
> -                                  SectionFlags::Writable | SectionFlags::BSS);
> -  ReadOnlySection = getNamedSection("\t.rodata", SectionFlags::None);
> -  TLSDataSection = getNamedSection("\t.tdata",
> -                                   SectionFlags::Writable | SectionFlags::TLS);
> -  TLSBSSSection = getNamedSection("\t.tbss",
> -                SectionFlags::Writable | SectionFlags::TLS | SectionFlags::BSS);
> +  ReadOnlySection = getNamedSection("\t.rodata", SectionKind::ReadOnly);
> +  TLSDataSection = getNamedSection("\t.tdata", SectionKind::ThreadData);
> +  TLSBSSSection = getNamedSection("\t.tbss", SectionKind::ThreadBSS);
>
> -  DataRelSection = getNamedSection("\t.data.rel", SectionFlags::Writable);
> +  DataRelSection = getNamedSection("\t.data.rel", SectionKind::DataRel);
>   DataRelLocalSection = getNamedSection("\t.data.rel.local",
> -                                        SectionFlags::Writable);
> +                                        SectionKind::DataRelLocal);
>   DataRelROSection = getNamedSection("\t.data.rel.ro",
> -                                     SectionFlags::Writable);
> +                                     SectionKind::ReadOnlyWithRel);
>   DataRelROLocalSection = getNamedSection("\t.data.rel.ro.local",
> -                                          SectionFlags::Writable);
> +                                          SectionKind::ReadOnlyWithRelLocal);
>
>   MergeableConst4Section = getNamedSection(".rodata.cst4",
> -                  SectionFlags::setEntitySize(SectionFlags::Mergeable, 4));
> +                                           SectionKind::MergeableConst4);
>   MergeableConst8Section = getNamedSection(".rodata.cst8",
> -                  SectionFlags::setEntitySize(SectionFlags::Mergeable, 8));
> +                                           SectionKind::MergeableConst8);
>   MergeableConst16Section = getNamedSection(".rodata.cst16",
> -                  SectionFlags::setEntitySize(SectionFlags::Mergeable, 16));
> +                                            SectionKind::MergeableConst16);
>  }
>
>
> @@ -98,28 +94,30 @@
>  /// getFlagsForNamedSection - If this target wants to be able to infer
>  /// section flags based on the name of the section specified for a global
>  /// variable, it can implement this.
> -unsigned ELFTargetAsmInfo::getFlagsForNamedSection(const char *Name) const {
> -  unsigned Flags = 0;
> -  if (Name[0] != '.') return 0;
> +SectionKind::Kind ELFTargetAsmInfo::getKindForNamedSection(const char *Name,
> +                                                   SectionKind::Kind K) const {
> +  if (Name[0] != '.') return K;
>
>   // Some lame default implementation based on some magic section names.
>   if (strncmp(Name, ".gnu.linkonce.b.", 16) == 0 ||
>       strncmp(Name, ".llvm.linkonce.b.", 17) == 0 ||
>       strncmp(Name, ".gnu.linkonce.sb.", 17) == 0 ||
>       strncmp(Name, ".llvm.linkonce.sb.", 18) == 0)
> -    Flags |= SectionFlags::BSS;
> -  else if (strcmp(Name, ".tdata") == 0 ||
> -           strncmp(Name, ".tdata.", 7) == 0 ||
> -           strncmp(Name, ".gnu.linkonce.td.", 17) == 0 ||
> -           strncmp(Name, ".llvm.linkonce.td.", 18) == 0)
> -    Flags |= SectionFlags::TLS;
> -  else if (strcmp(Name, ".tbss") == 0 ||
> -           strncmp(Name, ".tbss.", 6) == 0 ||
> -           strncmp(Name, ".gnu.linkonce.tb.", 17) == 0 ||
> -           strncmp(Name, ".llvm.linkonce.tb.", 18) == 0)
> -    Flags |= SectionFlags::BSS | SectionFlags::TLS;
> +    return SectionKind::BSS;
>
> -  return Flags;
> +  if (strcmp(Name, ".tdata") == 0 ||
> +      strncmp(Name, ".tdata.", 7) == 0 ||
> +      strncmp(Name, ".gnu.linkonce.td.", 17) == 0 ||
> +      strncmp(Name, ".llvm.linkonce.td.", 18) == 0)
> +    return SectionKind::ThreadData;
> +
> +  if (strcmp(Name, ".tbss") == 0 ||
> +      strncmp(Name, ".tbss.", 6) == 0 ||
> +      strncmp(Name, ".gnu.linkonce.tb.", 17) == 0 ||
> +      strncmp(Name, ".llvm.linkonce.tb.", 18) == 0)
> +    return SectionKind::ThreadBSS;
> +
> +  return K;
>  }
>
>  const char *
> @@ -152,37 +150,36 @@
>   if (Size <= 16) {
>     assert(getCStringSection() && "Should have string section prefix");
>
> -    // We also need alignment here
> +    // We also need alignment here.
> +    // FIXME: this is getting the alignment of the character, not the alignment
> +    // of the string!!
>     unsigned Align = TD->getPrefTypeAlignment(Ty);
>     if (Align < Size)
>       Align = Size;
>
>     std::string Name = getCStringSection() + utostr(Size) + '.' + utostr(Align);
> -    unsigned Flags = SectionFlags::setEntitySize(SectionFlags::Mergeable |
> -                                                 SectionFlags::Strings,
> -                                                 Size);
> -    return getNamedSection(Name.c_str(), Flags);
> +    return getNamedSection(Name.c_str(), SectionKind::MergeableCString);
>   }
>
>   return getReadOnlySection();
>  }
>
> -void ELFTargetAsmInfo::getSectionFlags(unsigned Flags,
> -                                       SmallVectorImpl<char> &Str) const {
> +void ELFTargetAsmInfo::getSectionFlagsAsString(SectionKind Kind,
> +                                             SmallVectorImpl<char> &Str) const {
>   Str.push_back(',');
>   Str.push_back('"');
>
> -  if (!(Flags & SectionFlags::Debug))
> +  if (!Kind.isMetadata())
>     Str.push_back('a');
> -  if (Flags & SectionFlags::Code)
> +  if (Kind.isText())
>     Str.push_back('x');
> -  if (Flags & SectionFlags::Writable)
> +  if (Kind.isWriteable())
>     Str.push_back('w');
> -  if (Flags & SectionFlags::Mergeable)
> +  if (Kind.isMergeableConst() || Kind.isMergeableCString())
>     Str.push_back('M');
> -  if (Flags & SectionFlags::Strings)
> +  if (Kind.isMergeableCString())
>     Str.push_back('S');
> -  if (Flags & SectionFlags::TLS)
> +  if (Kind.isThreadLocal())
>     Str.push_back('T');
>
>   Str.push_back('"');
> @@ -195,16 +192,27 @@
>     Str.push_back('@');
>
>   const char *KindStr;
> -  if (Flags & SectionFlags::BSS)
> +  if (Kind.isBSS())
>     KindStr = "nobits";
>   else
>     KindStr = "progbits";
>
>   Str.append(KindStr, KindStr+strlen(KindStr));
>
> -  if (unsigned entitySize = SectionFlags::getEntitySize(Flags)) {
> +  if (Kind.isMergeableCString()) {
> +    // TODO: Eventually handle multiple byte character strings.  For now, all
> +    // mergable C strings are single byte.
> +    Str.push_back(',');
> +    Str.push_back('1');
> +  } else if (Kind.isMergeableConst4()) {
> +    Str.push_back(',');
> +    Str.push_back('4');
> +  } else if (Kind.isMergeableConst8()) {
> +    Str.push_back(',');
> +    Str.push_back('8');
> +  } else if (Kind.isMergeableConst16()) {
>     Str.push_back(',');
> -    std::string Size = utostr(entitySize);
> -    Str.append(Size.begin(), Size.end());
> +    Str.push_back('1');
> +    Str.push_back('6');
>   }
>  }
>
> Modified: llvm/trunk/lib/Target/MSP430/MSP430TargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/MSP430/MSP430TargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/MSP430/MSP430TargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/MSP430/MSP430TargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -18,6 +18,5 @@
>   : ELFTargetAsmInfo(TM) {
>   AlignmentIsInBytes = false;
>
> -  BSSSection_ = getUnnamedSection("\t.bss",
> -                                  SectionFlags::Writable | SectionFlags::BSS);
> +  BSSSection_ = getUnnamedSection("\t.bss", SectionKind::BSS);
>  }
>
> Modified: llvm/trunk/lib/Target/Mips/MipsTargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsTargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/Mips/MipsTargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/Mips/MipsTargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -30,8 +30,7 @@
>   BSSSection                  = "\t.section\t.bss";
>   CStringSection              = ".rodata.str";
>
> -  BSSSection_ = getUnnamedSection("\t.bss",
> -                                  SectionFlags::Writable | SectionFlags::BSS);
> +  BSSSection_ = getUnnamedSection("\t.bss", SectionKind::BSS);
>
>   if (!TM.getSubtarget<MipsSubtarget>().hasABICall())
>     JumpTableDirective = "\t.word\t";
>
> Modified: llvm/trunk/lib/Target/PIC16/PIC16AsmPrinter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PIC16/PIC16AsmPrinter.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PIC16/PIC16AsmPrinter.cpp (original)
> +++ llvm/trunk/lib/Target/PIC16/PIC16AsmPrinter.cpp Mon Jul 27 00:32:16 2009
> @@ -61,8 +61,8 @@
>   // Now emit the instructions of function in its code section.
>   const char *codeSection = PAN::getCodeSectionName(CurrentFnName).c_str();
>
> -  const Section *fCodeSection = TAI->getNamedSection(codeSection,
> -                                                     SectionFlags::Code);
> +  const Section *fCodeSection =
> +    TAI->getNamedSection(codeSection, SectionKind::Text);
>   // Start the Code Section.
>   O <<  "\n";
>   SwitchToSection(fCodeSection);
> @@ -291,8 +291,8 @@
>   O << "\n";
>   const char *SectionName = PAN::getFrameSectionName(CurrentFnName).c_str();
>
> -  const Section *fPDataSection = TAI->getNamedSection(SectionName,
> -                                                      SectionFlags::Writable);
> +  const Section *fPDataSection =
> +    TAI->getNamedSection(SectionName, SectionKind::DataRel);
>   SwitchToSection(fPDataSection);
>
>   // Emit function frame label
>
> Modified: llvm/trunk/lib/Target/PIC16/PIC16TargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PIC16/PIC16TargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PIC16/PIC16TargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/PIC16/PIC16TargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -37,18 +37,21 @@
>   ZeroDirective = NULL;
>   AsciiDirective = " dt ";
>   AscizDirective = NULL;
> -  BSSSection_  = getNamedSection("udata.# UDATA",
> -                              SectionFlags::Writable | SectionFlags::BSS);
> -  ReadOnlySection = getNamedSection("romdata.# ROMDATA", SectionFlags::None);
> -  DataSection = getNamedSection("idata.# IDATA", SectionFlags::Writable);
> +  BSSSection_  = getNamedSection("udata.# UDATA", SectionKind::BSS);
> +  ReadOnlySection = getNamedSection("romdata.# ROMDATA", SectionKind::ReadOnly);
> +  DataSection = getNamedSection("idata.# IDATA", SectionKind::DataRel);
>   SwitchToSectionDirective = "";
>   // Need because otherwise a .text symbol is emitted by DwarfWriter
>   // in BeginModule, and gpasm cribbs for that .text symbol.
> -  TextSection = getUnnamedSection("", SectionFlags::Code);
> +  TextSection = getUnnamedSection("", SectionKind::Text);
>   PIC16Section *ROSection = new PIC16Section(getReadOnlySection());
>   ROSections.push_back(ROSection);
> -  ExternalVarDecls = new PIC16Section(getNamedSection("ExternalVarDecls"));
> -  ExternalVarDefs = new PIC16Section(getNamedSection("ExternalVarDefs"));
> +
> +  // FIXME: I don't know what the classification of these sections really is.
> +  ExternalVarDecls = new PIC16Section(getNamedSection("ExternalVarDecls",
> +                                                      SectionKind::Metadata));
> +  ExternalVarDefs = new PIC16Section(getNamedSection("ExternalVarDefs",
> +                                                     SectionKind::Metadata));
>   // Set it to false because we weed to generate c file name and not bc file
>   // name.
>   HasSingleParameterDotFile = false;
> @@ -95,7 +98,9 @@
>   // No BSS section spacious enough was found. Crate a new one.
>   if (!FoundBSS) {
>     std::string name = PAN::getUdataSectionName(BSSSections.size());
> -    const Section *NewSection = getNamedSection(name.c_str());
> +    const Section *NewSection = getNamedSection(name.c_str(),
> +                                                // FIXME.
> +                                                SectionKind::Metadata);
>
>     FoundBSS = new PIC16Section(NewSection);
>
> @@ -135,7 +140,9 @@
>   // No IDATA section spacious enough was found. Crate a new one.
>   if (!FoundIDATA) {
>     std::string name = PAN::getIdataSectionName(IDATASections.size());
> -    const Section *NewSection = getNamedSection(name.c_str());
> +    const Section *NewSection = getNamedSection(name.c_str(),
> +                                                // FIXME.
> +                                                SectionKind::Metadata);
>
>     FoundIDATA = new PIC16Section(NewSection);
>
> @@ -168,7 +175,9 @@
>
>   // No Auto section was found. Crate a new one.
>   if (!FoundAutoSec) {
> -    const Section *NewSection = getNamedSection(name.c_str());
> +    const Section *NewSection = getNamedSection(name.c_str(),
> +                                                // FIXME.
> +                                                SectionKind::Metadata);
>
>     FoundAutoSec = new PIC16Section(NewSection);
>
> @@ -316,7 +325,7 @@
>
>   PIC16Section *NewBSS = FoundBSS;
>   if (NewBSS == NULL) {
> -    const Section *NewSection = getNamedSection(Name.c_str());
> +    const Section *NewSection = getNamedSection(Name.c_str(), SectionKind::BSS);
>     NewBSS = new PIC16Section(NewSection);
>     BSSSections.push_back(NewBSS);
>   }
> @@ -367,7 +376,9 @@
>
>   PIC16Section *NewIDATASec = FoundIDATASec;
>   if (NewIDATASec == NULL) {
> -    const Section *NewSection = getNamedSection(Name.c_str());
> +    const Section *NewSection = getNamedSection(Name.c_str(),
> +                                                // FIXME:
> +                                                SectionKind::Metadata);
>     NewIDATASec = new PIC16Section(NewSection);
>     IDATASections.push_back(NewIDATASec);
>   }
> @@ -405,7 +416,8 @@
>
>   PIC16Section *NewRomSec = FoundROSec;
>   if (NewRomSec == NULL) {
> -    const Section *NewSection = getNamedSection(Name.c_str());
> +    const Section *NewSection = getNamedSection(Name.c_str(),
> +                                                SectionKind::ReadOnly);
>     NewRomSec = new PIC16Section(NewSection);
>     ROSections.push_back(NewRomSec);
>   }
>
> Modified: llvm/trunk/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp (original)
> +++ llvm/trunk/lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp Mon Jul 27 00:32:16 2009
> @@ -899,7 +899,7 @@
>       (GVar->hasLocalLinkage() || GVar->hasExternalLinkage() ||
>        GVar->isWeakForLinker()) &&
>       // Don't put things that should go in the cstring section into "comm".
> -      !TheSection->hasFlag(SectionFlags::Strings)) {
> +      !TheSection->getKind().isMergeableCString()) {
>     if (Size == 0) Size = 1;   // .comm Foo, 0 is undefined, avoid it.
>
>     if (GVar->hasExternalLinkage()) {
>
> Modified: llvm/trunk/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCTargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/PowerPC/PPCTargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/PowerPC/PPCTargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -49,8 +49,7 @@
>     return DW_EH_PE_absptr;
>  }
>
> -const char *
> -PPCDarwinTargetAsmInfo::getEHGlobalPrefix() const {
> +const char *PPCDarwinTargetAsmInfo::getEHGlobalPrefix() const {
>   const PPCSubtarget* Subtarget = &TM.getSubtarget<PPCSubtarget>();
>   if (Subtarget->getDarwinVers() > 9)
>     return PrivateGlobalPrefix;
> @@ -72,8 +71,7 @@
>   BSSSection = "\t.section\t\".sbss\",\"aw\", at nobits";
>
>   // PPC/Linux normally uses named section for BSS.
> -  BSSSection_ = getNamedSection("\t.bss",
> -                                SectionFlags::Writable | SectionFlags::BSS);
> +  BSSSection_ = getNamedSection("\t.bss", SectionKind::BSS);
>
>   // Debug Information
>   AbsoluteDebugSectionOffsets = true;
>
> Modified: llvm/trunk/lib/Target/Sparc/SparcTargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcTargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/Sparc/SparcTargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/Sparc/SparcTargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -27,25 +27,24 @@
>   CStringSection=".rodata.str";
>
>   // Sparc normally uses named section for BSS.
> -  BSSSection_ = getNamedSection("\t.bss",
> -                                SectionFlags::Writable | SectionFlags::BSS);
> +  BSSSection_ = getNamedSection("\t.bss", SectionKind::BSS);
>  }
>
>
> -void SparcELFTargetAsmInfo::getSectionFlags(unsigned Flags,
> +void SparcELFTargetAsmInfo::getSectionFlagsAsString(SectionKind Kind,
>                                             SmallVectorImpl<char> &Str) const {
> -  if (Flags & SectionFlags::Mergeable)
> -    return ELFTargetAsmInfo::getSectionFlags(Flags, Str);
> +  if (Kind.isMergeableConst() || Kind.isMergeableCString())
> +    return ELFTargetAsmInfo::getSectionFlagsAsString(Kind, Str);
>
>   // FIXME: Inefficient.
>   std::string Res;
> -  if (!(Flags & SectionFlags::Debug))
> +  if (!Kind.isMetadata())
>     Res += ",#alloc";
> -  if (Flags & SectionFlags::Code)
> +  if (Kind.isText())
>     Res += ",#execinstr";
> -  if (Flags & SectionFlags::Writable)
> +  if (Kind.isWriteable())
>     Res += ",#write";
> -  if (Flags & SectionFlags::TLS)
> +  if (Kind.isThreadLocal())
>     Res += ",#tls";
>
>   Str.append(Res.begin(), Res.end());
>
> Modified: llvm/trunk/lib/Target/Sparc/SparcTargetAsmInfo.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcTargetAsmInfo.h?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/Sparc/SparcTargetAsmInfo.h (original)
> +++ llvm/trunk/lib/Target/Sparc/SparcTargetAsmInfo.h Mon Jul 27 00:32:16 2009
> @@ -24,8 +24,8 @@
>   struct SparcELFTargetAsmInfo : public ELFTargetAsmInfo {
>     explicit SparcELFTargetAsmInfo(const TargetMachine &TM);
>
> -    virtual void getSectionFlags(unsigned Flags,
> -                                 SmallVectorImpl<char> &Str) const;
> +    virtual void getSectionFlagsAsString(SectionKind Kind,
> +                                         SmallVectorImpl<char> &Str) const;
>
>   };
>
>
> Modified: llvm/trunk/lib/Target/SystemZ/SystemZTargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/SystemZ/SystemZTargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/SystemZ/SystemZTargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/SystemZ/SystemZTargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -28,6 +28,5 @@
>
>   NonexecutableStackDirective = "\t.section\t.note.GNU-stack,\"\", at progbits";
>
> -  BSSSection_ = getUnnamedSection("\t.bss",
> -                                  SectionFlags::Writable | SectionFlags::BSS);
> +  BSSSection_ = getUnnamedSection("\t.bss", SectionKind::BSS);
>  }
>
> Modified: llvm/trunk/lib/Target/TargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/TargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/TargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/TargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -122,8 +122,8 @@
>   DwarfEHFrameSection = ".eh_frame";
>   DwarfExceptionSection = ".gcc_except_table";
>   AsmTransCBE = 0;
> -  TextSection = getUnnamedSection("\t.text", SectionFlags::Code);
> -  DataSection = getUnnamedSection("\t.data", SectionFlags::Writable);
> +  TextSection = getUnnamedSection("\t.text", SectionKind::Text);
> +  DataSection = getUnnamedSection("\t.data", SectionKind::DataRel);
>  }
>
>  TargetAsmInfo::~TargetAsmInfo() {
> @@ -199,23 +199,6 @@
>   return false;
>  }
>
> -static unsigned SectionFlagsForGlobal(SectionKind Kind) {
> -  // Decode flags from global and section kind.
> -  unsigned Flags = SectionFlags::None;
> -  if (Kind.isWeak())
> -    Flags |= SectionFlags::Linkonce;
> -  if (Kind.isBSS() || Kind.isThreadBSS())
> -    Flags |= SectionFlags::BSS;
> -  if (Kind.isThreadLocal())
> -    Flags |= SectionFlags::TLS;
> -  if (Kind.isText())
> -    Flags |= SectionFlags::Code;
> -  if (Kind.isWriteable())
> -    Flags |= SectionFlags::Writable;
> -
> -  return Flags;
> -}
> -
>  static SectionKind::Kind SectionKindForGlobal(const GlobalValue *GV,
>                                               const TargetMachine &TM) {
>   Reloc::Model ReloModel = TM.getRelocationModel();
> @@ -326,29 +309,21 @@
>     if (const Section *TS = getSpecialCasedSectionGlobals(GV, Kind))
>       return TS;
>
> -    // Honour section already set, if any.
> -    unsigned Flags = SectionFlagsForGlobal(Kind);
> -
> -    // This is an explicitly named section.
> -    Flags |= SectionFlags::Named;
> -
>     // If the target has magic semantics for certain section names, make sure to
>     // pick up the flags.  This allows the user to write things with attribute
>     // section and still get the appropriate section flags printed.
> -    Flags |= getFlagsForNamedSection(GV->getSection().c_str());
> +    GVKind = getKindForNamedSection(GV->getSection().c_str(), GVKind);
>
> -    return getNamedSection(GV->getSection().c_str(), Flags);
> +    return getNamedSection(GV->getSection().c_str(), GVKind);
>   }
>
>   // If this global is linkonce/weak and the target handles this by emitting it
>   // into a 'uniqued' section name, create and return the section now.
>   if (Kind.isWeak()) {
>     if (const char *Prefix = getSectionPrefixForUniqueGlobal(Kind)) {
> -      unsigned Flags = SectionFlagsForGlobal(Kind);
> -
>       // FIXME: Use mangler interface (PR4584).
>       std::string Name = Prefix+GV->getNameStr();
> -      return getNamedSection(Name.c_str(), Flags);
> +      return getNamedSection(Name.c_str(), GVKind);
>     }
>   }
>
> @@ -390,12 +365,12 @@
>
>
>  const Section *TargetAsmInfo::getNamedSection(const char *Name,
> -                                              unsigned Flags) const {
> +                                              SectionKind::Kind Kind) const {
>   Section &S = Sections[Name];
>
>   // This is newly-created section, set it up properly.
>   if (S.Name.empty()) {
> -    S.Flags = Flags | SectionFlags::Named;
> +    S.Kind = SectionKind::get(Kind, false /*weak*/, true /*Named*/);
>     S.Name = Name;
>   }
>
> @@ -403,12 +378,13 @@
>  }
>
>  const Section*
> -TargetAsmInfo::getUnnamedSection(const char *Directive, unsigned Flags) const {
> +TargetAsmInfo::getUnnamedSection(const char *Directive,
> +                                 SectionKind::Kind Kind) const {
>   Section& S = Sections[Directive];
>
>   // This is newly-created section, set it up properly.
>   if (S.Name.empty()) {
> -    S.Flags = Flags & ~SectionFlags::Named;
> +    S.Kind = SectionKind::get(Kind, false /*weak*/, false /*Named*/);
>     S.Name = Directive;
>   }
>
>
> Modified: llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp (original)
> +++ llvm/trunk/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp Mon Jul 27 00:32:16 2009
> @@ -799,7 +799,7 @@
>
>   if (C->isNullValue() && !GVar->hasSection() &&
>       // Don't put things that should go in the cstring section into "comm".
> -      !TheSection->hasFlag(SectionFlags::Strings)) {
> +      !TheSection->getKind().isMergeableCString()) {
>     if (GVar->hasExternalLinkage()) {
>       if (const char *Directive = TAI->getZeroFillDirective()) {
>         O << "\t.globl " << name << '\n';
>
> Modified: llvm/trunk/lib/Target/X86/X86TargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86TargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/X86/X86TargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/X86/X86TargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -58,7 +58,7 @@
>   // FIXME: Why don't we always use this section?
>   if (is64Bit)
>     SixteenByteConstantSection = getUnnamedSection("\t.literal16\n",
> -                                                   SectionFlags::Mergeable);
> +                                                 SectionKind::MergeableConst16);
>   LCOMMDirective = "\t.lcomm\t";
>
>   // Leopard and above support aligned common symbols.
> @@ -128,8 +128,7 @@
>   // Set up DWARF directives
>   HasLEB128 = true;  // Target asm supports leb128 directives (little-endian)
>
> -  BSSSection_ = getUnnamedSection("\t.bss",
> -                                  SectionFlags::Writable | SectionFlags::BSS);
> +  BSSSection_ = getUnnamedSection("\t.bss", SectionKind::BSS);
>
>   // Debug Information
>   AbsoluteDebugSectionOffsets = true;
> @@ -278,13 +277,14 @@
>  }
>
>
> -void X86COFFTargetAsmInfo::getSectionFlags(unsigned Flags,
> -                                           SmallVectorImpl<char> &Str) const {
> +
> +void X86COFFTargetAsmInfo::getSectionFlagsAsString(SectionKind Kind,
> +                                            SmallVectorImpl<char> &Str) const {
>   // FIXME: Inefficient.
>   std::string Res = ",\"";
> -  if (Flags & SectionFlags::Code)
> +  if (Kind.isText())
>     Res += 'x';
> -  if (Flags & SectionFlags::Writable)
> +  if (Kind.isWriteable())
>     Res += 'w';
>   Res += "\"";
>
> @@ -314,8 +314,8 @@
>
>   AlignmentIsInBytes = true;
>
> -  TextSection = getUnnamedSection("_text", SectionFlags::Code);
> -  DataSection = getUnnamedSection("_data", SectionFlags::Writable);
> +  TextSection = getUnnamedSection("_text", SectionKind::Text);
> +  DataSection = getUnnamedSection("_data", SectionKind::DataRel);
>
>   JumpTableDataSection = NULL;
>   SwitchToSectionDirective = "";
>
> Modified: llvm/trunk/lib/Target/X86/X86TargetAsmInfo.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86TargetAsmInfo.h?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/X86/X86TargetAsmInfo.h (original)
> +++ llvm/trunk/lib/Target/X86/X86TargetAsmInfo.h Mon Jul 27 00:32:16 2009
> @@ -56,8 +56,8 @@
>     virtual const char *
>     getSectionPrefixForUniqueGlobal(SectionKind kind) const;
>
> -    virtual void getSectionFlags(unsigned Flags,
> -                                 SmallVectorImpl<char> &Str) const;
> +    virtual void getSectionFlagsAsString(SectionKind Kind,
> +                                         SmallVectorImpl<char> &Str) const;
>   };
>
>   struct X86WinTargetAsmInfo : public X86GenericTargetAsmInfo {
>
> Modified: llvm/trunk/lib/Target/XCore/XCoreTargetAsmInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/XCore/XCoreTargetAsmInfo.cpp?rev=77184&r1=77183&r2=77184&view=diff
>
> ==============================================================================
> --- llvm/trunk/lib/Target/XCore/XCoreTargetAsmInfo.cpp (original)
> +++ llvm/trunk/lib/Target/XCore/XCoreTargetAsmInfo.cpp Mon Jul 27 00:32:16 2009
> @@ -24,10 +24,9 @@
>  XCoreTargetAsmInfo::XCoreTargetAsmInfo(const XCoreTargetMachine &TM)
>   : ELFTargetAsmInfo(TM) {
>   SupportsDebugInformation = true;
> -  TextSection = getUnnamedSection("\t.text", SectionFlags::Code);
> -  DataSection = getNamedSection("\t.dp.data", SectionFlags::Writable);
> -  BSSSection_  = getNamedSection("\t.dp.bss", SectionFlags::Writable |
> -                                 SectionFlags::BSS);
> +  TextSection = getUnnamedSection("\t.text", SectionKind::Text);
> +  DataSection = getNamedSection("\t.dp.data", SectionKind::DataRel);
> +  BSSSection_  = getNamedSection("\t.dp.bss", SectionKind::BSS);
>
>   // TLS globals are lowered in the backend to arrays indexed by the current
>   // thread id. After lowering they require no special handling by the linker
> @@ -36,9 +35,10 @@
>   TLSBSSSection = BSSSection_;
>
>   if (TM.getSubtargetImpl()->isXS1A())
> -    ReadOnlySection = getNamedSection("\t.dp.rodata", SectionFlags::Writable);
> +    // FIXME: Why is this writable???
> +    ReadOnlySection = getNamedSection("\t.dp.rodata", SectionKind::DataRel);
>   else
> -    ReadOnlySection = getNamedSection("\t.cp.rodata", SectionFlags::None);
> +    ReadOnlySection = getNamedSection("\t.cp.rodata", SectionKind::ReadOnly);
>   Data16bitsDirective = "\t.short\t";
>   Data32bitsDirective = "\t.long\t";
>   Data64bitsDirective = 0;
>
>
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> llvm-commits at cs.uiuc.edu
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>



-- 
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