#include "llvm/Support/CodeGen.h"
namespace llvm {
- class MCContext;
- class MCSection;
- class StringRef;
+class MCContext;
+class MCSection;
class MCObjectFileInfo {
protected:
- /// CommDirectiveSupportsAlignment - True if .comm supports alignment. This
- /// is a hack for as long as we support 10.4 Tiger, whose assembler doesn't
- /// support alignment on comm.
+ /// True if .comm supports alignment. This is a hack for as long as we
+ /// support 10.4 Tiger, whose assembler doesn't support alignment on comm.
bool CommDirectiveSupportsAlignment;
- /// SupportsWeakEmptyEHFrame - True if target object file supports a
- /// weak_definition of constant 0 for an omitted EH frame.
+ /// True if target object file supports a weak_definition of constant 0 for an
+ /// omitted EH frame.
bool SupportsWeakOmittedEHFrame;
- /// SupportsCompactUnwindWithoutEHFrame - True if the target object file
- /// supports emitting a compact unwind section without an associated EH frame
- /// section.
+ /// True if the target object file supports emitting a compact unwind section
+ /// without an associated EH frame section.
bool SupportsCompactUnwindWithoutEHFrame;
+ /// OmitDwarfIfHaveCompactUnwind - True if the target object file
+ /// supports having some functions with compact unwind and other with
+ /// dwarf unwind.
+ bool OmitDwarfIfHaveCompactUnwind;
+
/// PersonalityEncoding, LSDAEncoding, TTypeEncoding - Some encoding values
/// for EH.
unsigned PersonalityEncoding;
unsigned FDECFIEncoding;
unsigned TTypeEncoding;
- /// Section flags for eh_frame
- unsigned EHSectionType;
- unsigned EHSectionFlags;
-
- /// CompactUnwindDwarfEHFrameOnly - Compact unwind encoding indicating that we
- /// should emit only an EH frame.
+ /// Compact unwind encoding indicating that we should emit only an EH frame.
unsigned CompactUnwindDwarfEHFrameOnly;
/// Section directive for standard text.
- ///
MCSection *TextSection;
/// Section directive for standard data.
- ///
MCSection *DataSection;
/// Section that is default initialized to zero.
// can be enabled by a compiler flag.
MCSection *DwarfPubNamesSection;
- // DWARF5 Experimental Debug Info Sections
+ /// DWARF5 Experimental Debug Info Sections
/// DwarfAccelNamesSection, DwarfAccelObjCSection,
/// DwarfAccelNamespaceSection, DwarfAccelTypesSection -
/// If we use the DWARF accelerated hash tables then we want to emit these
MCSection *DwarfAccelNamespaceSection;
MCSection *DwarfAccelTypesSection;
- /// These are used for the Fission separate debug information files.
+ // These are used for the Fission separate debug information files.
MCSection *DwarfInfoDWOSection;
MCSection *DwarfTypesDWOSection;
MCSection *DwarfAbbrevDWOSection;
MCSection *DwarfStrOffDWOSection;
MCSection *DwarfAddrSection;
- /// Sections for newer gnu pubnames and pubtypes.
+ /// Section for newer gnu pubnames.
MCSection *DwarfGnuPubNamesSection;
+ /// Section for newer gnu pubtypes.
MCSection *DwarfGnuPubTypesSection;
MCSection *COFFDebugSymbolsSection;
- // Extra TLS Variable Data section. If the target needs to put additional
- // information for a TLS variable, it'll go here.
+ /// Extra TLS Variable Data section.
+ ///
+ /// If the target needs to put additional information for a TLS variable,
+ /// it'll go here.
MCSection *TLSExtraDataSection;
/// Section directive for Thread Local data. ELF, MachO and COFF.
MCSection *TLSDataSection; // Defaults to ".tdata".
- /// Section directive for Thread Local uninitialized data. Null if this target
- /// doesn't support a BSS section. ELF and MachO only.
+ /// Section directive for Thread Local uninitialized data.
+ ///
+ /// Null if this target doesn't support a BSS section. ELF and MachO only.
MCSection *TLSBSSSection; // Defaults to ".tbss".
/// StackMap section.
MCSection *StackMapSection;
- /// EH frame section. It is initialized on demand so it can be overwritten
- /// (with uniquing).
- MCSection *EHFrameSection;
+ /// FaultMap section.
+ MCSection *FaultMapSection;
- /// ELF specific sections.
+ /// EH frame section.
///
- MCSection *DataRelSection;
- const MCSection *DataRelLocalSection;
+ /// It is initialized on demand so it can be overwritten (with uniquing).
+ MCSection *EHFrameSection;
+
+ // ELF specific sections.
MCSection *DataRelROSection;
- MCSection *DataRelROLocalSection;
MCSection *MergeableConst4Section;
MCSection *MergeableConst8Section;
MCSection *MergeableConst16Section;
- /// MachO specific sections.
- ///
+ // MachO specific sections.
- /// Section for thread local structure information. Contains the source code
- /// name of the variable, visibility and a pointer to the initial value
- /// (.tdata or .tbss).
+ /// Section for thread local structure information.
+ ///
+ /// Contains the source code name of the variable, visibility and a pointer to
+ /// the initial value (.tdata or .tbss).
MCSection *TLSTLVSection; // Defaults to ".tlv".
- /// TLSThreadInitSection - Section for thread local data initialization
- /// functions.
- const MCSection *TLSThreadInitSection; // Defaults to ".thread_init_func".
+ /// Section for thread local data initialization functions.
+ const MCSection *TLSThreadInitSection; // Defaults to ".thread_init_func".
MCSection *CStringSection;
MCSection *UStringSection;
MCSection *NonLazySymbolPointerSection;
/// COFF specific sections.
- ///
MCSection *DrectveSection;
MCSection *PDataSection;
MCSection *XDataSection;
+ MCSection *SXDataSection;
public:
- virtual ~MCObjectFileInfo() { };
-
- void InitMCObjectFileInfo(StringRef TT, Reloc::Model RM, CodeModel::Model CM,
- MCContext &ctx);
+ void InitMCObjectFileInfo(const Triple &TT, Reloc::Model RM,
+ CodeModel::Model CM, MCContext &ctx);
+ LLVM_ATTRIBUTE_DEPRECATED(
+ void InitMCObjectFileInfo(StringRef TT, Reloc::Model RM,
+ CodeModel::Model CM, MCContext &ctx),
+ "StringRef GNU Triple argument replaced by a llvm::Triple object");
bool getSupportsWeakOmittedEHFrame() const {
return SupportsWeakOmittedEHFrame;
bool getSupportsCompactUnwindWithoutEHFrame() const {
return SupportsCompactUnwindWithoutEHFrame;
}
+ bool getOmitDwarfIfHaveCompactUnwind() const {
+ return OmitDwarfIfHaveCompactUnwind;
+ }
+
bool getCommDirectiveSupportsAlignment() const {
return CommDirectiveSupportsAlignment;
}
MCSection *getTextSection() const { return TextSection; }
MCSection *getDataSection() const { return DataSection; }
MCSection *getBSSSection() const { return BSSSection; }
+ MCSection *getReadOnlySection() const { return ReadOnlySection; }
MCSection *getLSDASection() const { return LSDASection; }
MCSection *getCompactUnwindSection() const { return CompactUnwindSection; }
MCSection *getDwarfAbbrevSection() const { return DwarfAbbrevSection; }
MCSection *getTLSBSSSection() const { return TLSBSSSection; }
MCSection *getStackMapSection() const { return StackMapSection; }
+ MCSection *getFaultMapSection() const { return FaultMapSection; }
- /// ELF specific sections.
- ///
- MCSection *getDataRelSection() const { return DataRelSection; }
- const MCSection *getDataRelLocalSection() const {
- return DataRelLocalSection;
- }
+ // ELF specific sections.
MCSection *getDataRelROSection() const { return DataRelROSection; }
- MCSection *getDataRelROLocalSection() const { return DataRelROLocalSection; }
const MCSection *getMergeableConst4Section() const {
return MergeableConst4Section;
}
return MergeableConst16Section;
}
- /// MachO specific sections.
- ///
+ // MachO specific sections.
const MCSection *getTLSTLVSection() const { return TLSTLVSection; }
const MCSection *getTLSThreadInitSection() const {
return TLSThreadInitSection;
return NonLazySymbolPointerSection;
}
- /// COFF specific sections.
- ///
+ // COFF specific sections.
MCSection *getDrectveSection() const { return DrectveSection; }
MCSection *getPDataSection() const { return PDataSection; }
MCSection *getXDataSection() const { return XDataSection; }
+ MCSection *getSXDataSection() const { return SXDataSection; }
MCSection *getEHFrameSection() {
- if (!EHFrameSection)
- InitEHFrameSection();
return EHFrameSection;
}
enum Environment { IsMachO, IsELF, IsCOFF };
- Environment getObjectFileType() const {
- return Env;
- }
+ Environment getObjectFileType() const { return Env; }
- Reloc::Model getRelocM() const {
- return RelocM;
- }
+ Reloc::Model getRelocM() const { return RelocM; }
private:
Environment Env;
MCContext *Ctx;
Triple TT;
- void InitMachOMCObjectFileInfo(Triple T);
- void InitELFMCObjectFileInfo(Triple T);
- void InitCOFFMCObjectFileInfo(Triple T);
-
- /// InitEHFrameSection - Initialize EHFrameSection on demand.
- ///
- void InitEHFrameSection();
-
- virtual unsigned SelectMipsTTypeEncoding() const;
+ void initMachOMCObjectFileInfo(Triple T);
+ void initELFMCObjectFileInfo(Triple T);
+ void initCOFFMCObjectFileInfo(Triple T);
public:
const Triple &getTargetTriple() const { return TT; }
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