namespace llvm {
class MCSymbol;
-/// MCSectionCOFF - This represents a section on Windows
- class MCSectionCOFF : public MCSection {
- // The memory for this string is stored in the same MCContext as *this.
- StringRef SectionName;
-
- // FIXME: The following fields should not be mutable, but are for now so
- // the asm parser can honor the .linkonce directive.
-
- /// Characteristics - This is the Characteristics field of a section,
- /// drawn from the enums below.
- mutable unsigned Characteristics;
-
- /// The COMDAT symbol of this section. Only valid if this is a COMDAT
- /// section. Two COMDAT sections are merged if they have the same
- /// COMDAT symbol.
- MCSymbol *COMDATSymbol;
-
- /// Selection - This is the Selection field for the section symbol, if
- /// it is a COMDAT section (Characteristics & IMAGE_SCN_LNK_COMDAT) != 0
- mutable int Selection;
-
- private:
- friend class MCContext;
- MCSectionCOFF(StringRef Section, unsigned Characteristics,
- MCSymbol *COMDATSymbol, int Selection, SectionKind K,
- MCSymbol *Begin)
- : MCSection(SV_COFF, K, Begin), SectionName(Section),
- Characteristics(Characteristics), COMDATSymbol(COMDATSymbol),
- Selection(Selection) {
- assert ((Characteristics & 0x00F00000) == 0 &&
- "alignment must not be set upon section creation");
- }
- ~MCSectionCOFF() override;
-
- public:
- /// ShouldOmitSectionDirective - Decides whether a '.section' directive
- /// should be printed before the section name
- bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
-
- StringRef getSectionName() const { return SectionName; }
- unsigned getCharacteristics() const { return Characteristics; }
- MCSymbol *getCOMDATSymbol() const { return COMDATSymbol; }
- int getSelection() const { return Selection; }
-
- void setSelection(int Selection) const;
-
- void PrintSwitchToSection(const MCAsmInfo &MAI, raw_ostream &OS,
- const MCExpr *Subsection) const override;
- bool UseCodeAlign() const override;
- bool isVirtualSection() const override;
-
- static bool classof(const MCSection *S) {
- return S->getVariant() == SV_COFF;
- }
- };
+/// This represents a section on Windows
+class MCSectionCOFF : public MCSection {
+ // The memory for this string is stored in the same MCContext as *this.
+ StringRef SectionName;
+
+ // FIXME: The following fields should not be mutable, but are for now so the
+ // asm parser can honor the .linkonce directive.
+
+ /// This is the Characteristics field of a section, drawn from the enums
+ /// below.
+ mutable unsigned Characteristics;
+
+ /// The COMDAT symbol of this section. Only valid if this is a COMDAT section.
+ /// Two COMDAT sections are merged if they have the same COMDAT symbol.
+ MCSymbol *COMDATSymbol;
+
+ /// This is the Selection field for the section symbol, if it is a COMDAT
+ /// section (Characteristics & IMAGE_SCN_LNK_COMDAT) != 0
+ mutable int Selection;
+
+private:
+ friend class MCContext;
+ MCSectionCOFF(StringRef Section, unsigned Characteristics,
+ MCSymbol *COMDATSymbol, int Selection, SectionKind K,
+ MCSymbol *Begin)
+ : MCSection(SV_COFF, K, Begin), SectionName(Section),
+ Characteristics(Characteristics), COMDATSymbol(COMDATSymbol),
+ Selection(Selection) {
+ assert((Characteristics & 0x00F00000) == 0 &&
+ "alignment must not be set upon section creation");
+ }
+ ~MCSectionCOFF() override;
+
+public:
+ /// Decides whether a '.section' directive should be printed before the
+ /// section name
+ bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
+
+ StringRef getSectionName() const { return SectionName; }
+ unsigned getCharacteristics() const { return Characteristics; }
+ MCSymbol *getCOMDATSymbol() const { return COMDATSymbol; }
+ int getSelection() const { return Selection; }
+
+ void setSelection(int Selection) const;
+
+ void PrintSwitchToSection(const MCAsmInfo &MAI, raw_ostream &OS,
+ const MCExpr *Subsection) const override;
+ bool UseCodeAlign() const override;
+ bool isVirtualSection() const override;
+
+ static bool classof(const MCSection *S) { return S->getVariant() == SV_COFF; }
+};
} // end namespace llvm
class MCSymbol;
-/// MCSectionELF - This represents a section on linux, lots of unix variants
-/// and some bare metal systems.
-class MCSectionELF : public MCSection {
- /// SectionName - This is the name of the section. The referenced memory is
- /// owned by TargetLoweringObjectFileELF's ELFUniqueMap.
+/// This represents a section on linux, lots of unix variants and some bare
+/// metal systems.
+class MCSectionELF final : public MCSection {
+ /// This is the name of the section. The referenced memory is owned by
+ /// TargetLoweringObjectFileELF's ELFUniqueMap.
StringRef SectionName;
- /// Type - This is the sh_type field of a section, drawn from the enums below.
+ /// This is the sh_type field of a section, drawn from the enums below.
unsigned Type;
- /// Flags - This is the sh_flags field of a section, drawn from the enums.
- /// below.
+ /// This is the sh_flags field of a section, drawn from the enums below.
unsigned Flags;
unsigned UniqueID;
- /// EntrySize - The size of each entry in this section. This size only
- /// makes sense for sections that contain fixed-sized entries. If a
- /// section does not contain fixed-sized entries 'EntrySize' will be 0.
+ /// The size of each entry in this section. This size only makes sense for
+ /// sections that contain fixed-sized entries. If a section does not contain
+ /// fixed-sized entries 'EntrySize' will be 0.
unsigned EntrySize;
const MCSymbolELF *Group;
void setSectionName(StringRef Name) { SectionName = Name; }
public:
-
- /// ShouldOmitSectionDirective - Decides whether a '.section' directive
- /// should be printed before the section name
+ /// Decides whether a '.section' directive should be printed before the
+ /// section name
bool ShouldOmitSectionDirective(StringRef Name, const MCAsmInfo &MAI) const;
StringRef getSectionName() const { return SectionName; }
namespace llvm {
-/// MCSectionMachO - This represents a section on a Mach-O system (used by
-/// Mac OS X). On a Mac system, these are also described in
-/// /usr/include/mach-o/loader.h.
+/// This represents a section on a Mach-O system (used by Mac OS X). On a Mac
+/// system, these are also described in /usr/include/mach-o/loader.h.
class MCSectionMachO : public MCSection {
char SegmentName[16]; // Not necessarily null terminated!
char SectionName[16]; // Not necessarily null terminated!
- /// TypeAndAttributes - This is the SECTION_TYPE and SECTION_ATTRIBUTES
- /// field of a section, drawn from the enums below.
+ /// This is the SECTION_TYPE and SECTION_ATTRIBUTES field of a section, drawn
+ /// from the enums below.
unsigned TypeAndAttributes;
- /// Reserved2 - The 'reserved2' field of a section, used to represent the
- /// size of stubs, for example.
+ /// The 'reserved2' field of a section, used to represent the size of stubs,
+ /// for example.
unsigned Reserved2;
MCSectionMachO(StringRef Segment, StringRef Section, unsigned TAA,
return (TypeAndAttributes & Value) != 0;
}
- /// ParseSectionSpecifier - Parse the section specifier indicated by "Spec".
- /// This is a string that can appear after a .section directive in a mach-o
- /// flavored .s file. If successful, this fills in the specified Out
- /// parameters and returns an empty string. When an invalid section
- /// specifier is present, this returns a string indicating the problem.
- /// If no TAA was parsed, TAA is not altered, and TAAWasSet becomes false.
+ /// Parse the section specifier indicated by "Spec". This is a string that can
+ /// appear after a .section directive in a mach-o flavored .s file. If
+ /// successful, this fills in the specified Out parameters and returns an
+ /// empty string. When an invalid section specifier is present, this returns
+ /// a string indicating the problem. If no TAA was parsed, TAA is not altered,
+ /// and TAAWasSet becomes false.
static std::string ParseSectionSpecifier(StringRef Spec, // In.
StringRef &Segment, // Out.
StringRef &Section, // Out.