//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_MC_MCBJECTFILEINFO_H
-#define LLVM_MC_MCBJECTFILEINFO_H
+#ifndef LLVM_MC_MCOBJECTFILEINFO_H
+#define LLVM_MC_MCOBJECTFILEINFO_H
-#include "llvm/MC/MCCodeGenInfo.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/MC/SectionKind.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/Support/CodeGen.h"
namespace llvm {
class MCContext;
class MCSection;
- class Triple;
+ class StringRef;
-class MCObjectFileInfo {
+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.
bool CommDirectiveSupportsAlignment;
-
+
/// SupportsWeakEmptyEHFrame - True if target object file supports a
/// weak_definition of constant 0 for an omitted EH frame.
bool SupportsWeakOmittedEHFrame;
-
- /// IsFunctionEHFrameSymbolPrivate - This flag is set to true if the
- /// "EH_frame" symbol for EH information should be an assembler temporary (aka
- /// private linkage, aka an L or .L label) or false if it should be a normal
- /// non-.globl label. This defaults to true.
- bool IsFunctionEHFrameSymbolPrivate;
-
- /// PersonalityEncoding, LSDAEncoding, FDEEncoding, TTypeEncoding - Some
- /// encoding values for EH.
+
+ /// SupportsCompactUnwindWithoutEHFrame - True if the target object file
+ /// supports emitting a compact unwind section without an associated EH frame
+ /// section.
+ bool SupportsCompactUnwindWithoutEHFrame;
+
+ /// PersonalityEncoding, LSDAEncoding, TTypeEncoding - Some encoding values
+ /// for EH.
unsigned PersonalityEncoding;
unsigned LSDAEncoding;
- unsigned FDEEncoding;
unsigned FDECFIEncoding;
unsigned TTypeEncoding;
- // Section flags for eh_frame
+
+ /// Section flags for eh_frame
+ unsigned EHSectionType;
unsigned EHSectionFlags;
+ /// CompactUnwindDwarfEHFrameOnly - Compact unwind encoding indicating that we
+ /// should emit only an EH frame.
+ unsigned CompactUnwindDwarfEHFrameOnly;
+
/// TextSection - Section directive for standard text.
///
const MCSection *TextSection;
-
+
/// DataSection - Section directive for standard data.
///
const MCSection *DataSection;
-
+
/// BSSSection - Section that is default initialized to zero.
const MCSection *BSSSection;
-
+
/// ReadOnlySection - Section that is readonly and can contain arbitrary
/// initialized data. Targets are not required to have a readonly section.
/// If they don't, various bits of code will fall back to using the data
/// section for constants.
const MCSection *ReadOnlySection;
-
+
/// StaticCtorSection - This section contains the static constructor pointer
/// list.
const MCSection *StaticCtorSection;
/// StaticDtorSection - This section contains the static destructor pointer
/// list.
const MCSection *StaticDtorSection;
-
+
/// LSDASection - If exception handling is supported by the target, this is
/// the section the Language Specific Data Area information is emitted to.
const MCSection *LSDASection;
/// this is the section to emit them into.
const MCSection *CompactUnwindSection;
- /// DwarfAccelNamesSection, DwarfAccelObjCSection
- /// If we use the DWARF accelerated hash tables then we want toe emit these
- /// sections.
- const MCSection *DwarfAccelNamesSection;
- const MCSection *DwarfAccelObjCSection;
- const MCSection *DwarfAccelNamespaceSection;
- const MCSection *DwarfAccelTypesSection;
-
// Dwarf sections for debug info. If a target supports debug info, these must
// be set.
const MCSection *DwarfAbbrevSection;
const MCSection *DwarfLocSection;
const MCSection *DwarfARangesSection;
const MCSection *DwarfRangesSection;
- const MCSection *DwarfMacroInfoSection;
+ // The pubnames section is no longer generated by default. The generation
+ // can be enabled by a compiler flag.
+ const MCSection *DwarfPubNamesSection;
+
+ // DWARF5 Experimental Debug Info Sections
+ /// DwarfAccelNamesSection, DwarfAccelObjCSection,
+ /// DwarfAccelNamespaceSection, DwarfAccelTypesSection -
+ /// If we use the DWARF accelerated hash tables then we want to emit these
+ /// sections.
+ const MCSection *DwarfAccelNamesSection;
+ const MCSection *DwarfAccelObjCSection;
+ const MCSection *DwarfAccelNamespaceSection;
+ const MCSection *DwarfAccelTypesSection;
+
+ /// These are used for the Fission separate debug information files.
+ const MCSection *DwarfInfoDWOSection;
+ const MCSection *DwarfTypesDWOSection;
+ const MCSection *DwarfAbbrevDWOSection;
+ const MCSection *DwarfStrDWOSection;
+ const MCSection *DwarfLineDWOSection;
+ const MCSection *DwarfLocDWOSection;
+ const MCSection *DwarfStrOffDWOSection;
+ const MCSection *DwarfAddrSection;
+
+ /// Sections for newer gnu pubnames and pubtypes.
+ const MCSection *DwarfGnuPubNamesSection;
+ const MCSection *DwarfGnuPubTypesSection;
+
+ const MCSection *COFFDebugSymbolsSection;
// Extra TLS Variable Data section. If the target needs to put additional
// information for a TLS variable, it'll go here.
const MCSection *TLSExtraDataSection;
-
+
/// TLSDataSection - Section directive for Thread Local data.
/// ELF, MachO and COFF.
const MCSection *TLSDataSection; // Defaults to ".tdata".
/// ELF and MachO only.
const MCSection *TLSBSSSection; // Defaults to ".tbss".
+ /// StackMap section.
+ const MCSection *StackMapSection;
/// EHFrameSection - EH frame section. It is initialized on demand so it
/// can be overwritten (with uniquing).
/// Contains the source code name of the variable, visibility and a pointer
/// to the initial value (.tdata or .tbss).
const MCSection *TLSTLVSection; // Defaults to ".tlv".
-
+
/// TLSThreadInitSection - Section for thread local data initialization
/// functions.
const MCSection *TLSThreadInitSection; // Defaults to ".thread_init_func".
-
+
const MCSection *CStringSection;
const MCSection *UStringSection;
const MCSection *TextCoalSection;
public:
void InitMCObjectFileInfo(StringRef TT, Reloc::Model RM, CodeModel::Model CM,
MCContext &ctx);
-
- bool isFunctionEHFrameSymbolPrivate() const {
- return IsFunctionEHFrameSymbolPrivate;
- }
+
bool getSupportsWeakOmittedEHFrame() const {
return SupportsWeakOmittedEHFrame;
}
+ bool getSupportsCompactUnwindWithoutEHFrame() const {
+ return SupportsCompactUnwindWithoutEHFrame;
+ }
bool getCommDirectiveSupportsAlignment() const {
return CommDirectiveSupportsAlignment;
}
unsigned getPersonalityEncoding() const { return PersonalityEncoding; }
unsigned getLSDAEncoding() const { return LSDAEncoding; }
- unsigned getFDEEncoding(bool CFI) const {
- return CFI ? FDECFIEncoding : FDEEncoding;
- }
+ unsigned getFDEEncoding() const { return FDECFIEncoding; }
unsigned getTTypeEncoding() const { return TTypeEncoding; }
+ unsigned getCompactUnwindDwarfEHFrameOnly() const {
+ return CompactUnwindDwarfEHFrameOnly;
+ }
+
const MCSection *getTextSection() const { return TextSection; }
const MCSection *getDataSection() const { return DataSection; }
const MCSection *getBSSSection() const { return BSSSection; }
const MCSection *getCompactUnwindSection() const{
return CompactUnwindSection;
}
+ const MCSection *getDwarfAbbrevSection() const { return DwarfAbbrevSection; }
+ const MCSection *getDwarfInfoSection() const { return DwarfInfoSection; }
+ const MCSection *getDwarfLineSection() const { return DwarfLineSection; }
+ const MCSection *getDwarfFrameSection() const { return DwarfFrameSection; }
+ const MCSection *getDwarfPubNamesSection() const{return DwarfPubNamesSection;}
+ const MCSection *getDwarfPubTypesSection() const{return DwarfPubTypesSection;}
+ const MCSection *getDwarfGnuPubNamesSection() const {
+ return DwarfGnuPubNamesSection;
+ }
+ const MCSection *getDwarfGnuPubTypesSection() const {
+ return DwarfGnuPubTypesSection;
+ }
+ const MCSection *getDwarfDebugInlineSection() const {
+ return DwarfDebugInlineSection;
+ }
+ const MCSection *getDwarfStrSection() const { return DwarfStrSection; }
+ const MCSection *getDwarfLocSection() const { return DwarfLocSection; }
+ const MCSection *getDwarfARangesSection() const { return DwarfARangesSection;}
+ const MCSection *getDwarfRangesSection() const { return DwarfRangesSection; }
+
+ // DWARF5 Experimental Debug Info Sections
const MCSection *getDwarfAccelNamesSection() const {
return DwarfAccelNamesSection;
}
const MCSection *getDwarfAccelTypesSection() const {
return DwarfAccelTypesSection;
}
- const MCSection *getDwarfAbbrevSection() const { return DwarfAbbrevSection; }
- const MCSection *getDwarfInfoSection() const { return DwarfInfoSection; }
- const MCSection *getDwarfLineSection() const { return DwarfLineSection; }
- const MCSection *getDwarfFrameSection() const { return DwarfFrameSection; }
- const MCSection *getDwarfPubTypesSection() const{return DwarfPubTypesSection;}
- const MCSection *getDwarfDebugInlineSection() const {
- return DwarfDebugInlineSection;
+ const MCSection *getDwarfInfoDWOSection() const {
+ return DwarfInfoDWOSection;
}
- const MCSection *getDwarfStrSection() const { return DwarfStrSection; }
- const MCSection *getDwarfLocSection() const { return DwarfLocSection; }
- const MCSection *getDwarfARangesSection() const { return DwarfARangesSection;}
- const MCSection *getDwarfRangesSection() const { return DwarfRangesSection; }
- const MCSection *getDwarfMacroInfoSection() const {
- return DwarfMacroInfoSection;
+ const MCSection *getDwarfTypesSection(uint64_t Hash) const;
+ const MCSection *getDwarfTypesDWOSection() const {
+ return DwarfTypesDWOSection;
+ }
+ const MCSection *getDwarfAbbrevDWOSection() const {
+ return DwarfAbbrevDWOSection;
+ }
+ const MCSection *getDwarfStrDWOSection() const {
+ return DwarfStrDWOSection;
+ }
+ const MCSection *getDwarfLineDWOSection() const {
+ return DwarfLineDWOSection;
+ }
+ const MCSection *getDwarfLocDWOSection() const {
+ return DwarfLocDWOSection;
}
+ const MCSection *getDwarfStrOffDWOSection() const {
+ return DwarfStrOffDWOSection;
+ }
+ const MCSection *getDwarfAddrSection() const {
+ return DwarfAddrSection;
+ }
+
+ const MCSection *getCOFFDebugSymbolsSection() const {
+ return COFFDebugSymbolsSection;
+ }
+
const MCSection *getTLSExtraDataSection() const {
return TLSExtraDataSection;
}
const MCSection *getTLSDataSection() const { return TLSDataSection; }
const MCSection *getTLSBSSSection() const { return TLSBSSSection; }
+ const MCSection *getStackMapSection() const { return StackMapSection; }
+
/// ELF specific sections.
///
const MCSection *getDataRelSection() const { return DataRelSection; }
return EHFrameSection;
}
-private:
enum Environment { IsMachO, IsELF, IsCOFF };
+ Environment getObjectFileType() const {
+ return Env;
+ }
+
+ Reloc::Model getRelocM() const {
+ return RelocM;
+ }
+
+private:
Environment Env;
Reloc::Model RelocM;
CodeModel::Model CMModel;
MCContext *Ctx;
+ Triple TT;
void InitMachOMCObjectFileInfo(Triple T);
void InitELFMCObjectFileInfo(Triple T);
/// InitEHFrameSection - Initialize EHFrameSection on demand.
///
void InitEHFrameSection();
+
+public:
+ const Triple &getTargetTriple() const { return TT; }
};
} // end namespace llvm
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