[llvm] eda1de4 - [MC] clang-format llvm/MC/MCContext.h. NFC
Fangrui Song via llvm-commits
llvm-commits at lists.llvm.org
Wed Feb 9 11:38:33 PST 2022
Author: Fangrui Song
Date: 2022-02-09T11:38:28-08:00
New Revision: eda1de4b1d83abf9be09f7bd9ee26c450a07ae48
URL: https://github.com/llvm/llvm-project/commit/eda1de4b1d83abf9be09f7bd9ee26c450a07ae48
DIFF: https://github.com/llvm/llvm-project/commit/eda1de4b1d83abf9be09f7bd9ee26c450a07ae48.diff
LOG: [MC] clang-format llvm/MC/MCContext.h. NFC
People get clang-format lints when changing declarations in the large block,
e.g. ef736a1c39f27ef4777bbe6cf3af68c1fd588c8a Cleanup LLVMMC headers.
Just format it to reduce hassle in the future.
Added:
Modified:
llvm/include/llvm/MC/MCContext.h
Removed:
################################################################################
diff --git a/llvm/include/llvm/MC/MCContext.h b/llvm/include/llvm/MC/MCContext.h
index 780f8e157dbc1..fa8c0ca75cf30 100644
--- a/llvm/include/llvm/MC/MCContext.h
+++ b/llvm/include/llvm/MC/MCContext.h
@@ -41,805 +41,798 @@
namespace llvm {
- class CodeViewContext;
- class MCAsmInfo;
- class MCInst;
- class MCLabel;
- class MCObjectFileInfo;
- class MCRegisterInfo;
- class MCSection;
- class MCSectionCOFF;
- class MCSectionELF;
- class MCSectionGOFF;
- class MCSectionMachO;
- class MCSectionWasm;
- class MCSectionXCOFF;
- class MCStreamer;
- class MCSubtargetInfo;
- class MCSymbol;
- class MCSymbolELF;
- class MCSymbolWasm;
- class MCSymbolXCOFF;
- class MCTargetOptions;
- class MDNode;
- template <typename T> class SmallVectorImpl;
- class SMDiagnostic;
- class SMLoc;
- class SourceMgr;
-
- /// Context object for machine code objects. This class owns all of the
- /// sections that it creates.
- ///
- class MCContext {
- public:
- using SymbolTable = StringMap<MCSymbol *, BumpPtrAllocator &>;
- using DiagHandlerTy =
- std::function<void(const SMDiagnostic &, bool, const SourceMgr &,
- std::vector<const MDNode *> &)>;
- enum Environment { IsMachO, IsELF, IsGOFF, IsCOFF, IsWasm, IsXCOFF };
-
- private:
- Environment Env;
-
- /// The name of the Segment where Swift5 Reflection Section data will be
- /// outputted
- StringRef Swift5ReflectionSegmentName;
-
- /// The triple for this object.
- Triple TT;
-
- /// The SourceMgr for this object, if any.
- const SourceMgr *SrcMgr;
-
- /// The SourceMgr for inline assembly, if any.
- std::unique_ptr<SourceMgr> InlineSrcMgr;
- std::vector<const MDNode *> LocInfos;
-
- DiagHandlerTy DiagHandler;
-
- /// The MCAsmInfo for this target.
- const MCAsmInfo *MAI;
-
- /// The MCRegisterInfo for this target.
- const MCRegisterInfo *MRI;
-
- /// The MCObjectFileInfo for this target.
- const MCObjectFileInfo *MOFI;
-
- /// The MCSubtargetInfo for this target.
- const MCSubtargetInfo *MSTI;
-
- std::unique_ptr<CodeViewContext> CVContext;
-
- /// Allocator object used for creating machine code objects.
- ///
- /// We use a bump pointer allocator to avoid the need to track all allocated
- /// objects.
- BumpPtrAllocator Allocator;
-
- SpecificBumpPtrAllocator<MCSectionCOFF> COFFAllocator;
- SpecificBumpPtrAllocator<MCSectionELF> ELFAllocator;
- SpecificBumpPtrAllocator<MCSectionMachO> MachOAllocator;
- SpecificBumpPtrAllocator<MCSectionGOFF> GOFFAllocator;
- SpecificBumpPtrAllocator<MCSectionWasm> WasmAllocator;
- SpecificBumpPtrAllocator<MCSectionXCOFF> XCOFFAllocator;
- SpecificBumpPtrAllocator<MCInst> MCInstAllocator;
-
- /// Bindings of names to symbols.
- SymbolTable Symbols;
-
- /// A mapping from a local label number and an instance count to a symbol.
- /// For example, in the assembly
- /// 1:
- /// 2:
- /// 1:
- /// We have three labels represented by the pairs (1, 0), (2, 0) and (1, 1)
- DenseMap<std::pair<unsigned, unsigned>, MCSymbol *> LocalSymbols;
-
- /// Keeps tracks of names that were used both for used declared and
- /// artificial symbols. The value is "true" if the name has been used for a
- /// non-section symbol (there can be at most one of those, plus an unlimited
- /// number of section symbols with the same name).
- StringMap<bool, BumpPtrAllocator &> UsedNames;
-
- /// Keeps track of labels that are used in inline assembly.
- SymbolTable InlineAsmUsedLabelNames;
-
- /// The next ID to dole out to an unnamed assembler temporary symbol with
- /// a given prefix.
- StringMap<unsigned> NextID;
-
- /// Instances of directional local labels.
- DenseMap<unsigned, MCLabel *> Instances;
- /// NextInstance() creates the next instance of the directional local label
- /// for the LocalLabelVal and adds it to the map if needed.
- unsigned NextInstance(unsigned LocalLabelVal);
- /// GetInstance() gets the current instance of the directional local label
- /// for the LocalLabelVal and adds it to the map if needed.
- unsigned GetInstance(unsigned LocalLabelVal);
-
- /// The file name of the log file from the environment variable
- /// AS_SECURE_LOG_FILE. Which must be set before the .secure_log_unique
- /// directive is used or it is an error.
- char *SecureLogFile;
- /// The stream that gets written to for the .secure_log_unique directive.
- std::unique_ptr<raw_fd_ostream> SecureLog;
- /// Boolean toggled when .secure_log_unique / .secure_log_reset is seen to
- /// catch errors if .secure_log_unique appears twice without
- /// .secure_log_reset appearing between them.
- bool SecureLogUsed = false;
-
- /// The compilation directory to use for DW_AT_comp_dir.
- SmallString<128> CompilationDir;
-
- /// Prefix replacement map for source file information.
- std::map<const std::string, const std::string> DebugPrefixMap;
-
- /// The main file name if passed in explicitly.
- std::string MainFileName;
-
- /// The dwarf file and directory tables from the dwarf .file directive.
- /// We now emit a line table for each compile unit. To reduce the prologue
- /// size of each line table, the files and directories used by each compile
- /// unit are separated.
- std::map<unsigned, MCDwarfLineTable> MCDwarfLineTablesCUMap;
-
- /// The current dwarf line information from the last dwarf .loc directive.
- MCDwarfLoc CurrentDwarfLoc;
- bool DwarfLocSeen = false;
-
- /// Generate dwarf debugging info for assembly source files.
- bool GenDwarfForAssembly = false;
-
- /// The current dwarf file number when generate dwarf debugging info for
- /// assembly source files.
- unsigned GenDwarfFileNumber = 0;
-
- /// Sections for generating the .debug_ranges and .debug_aranges sections.
- SetVector<MCSection *> SectionsForRanges;
-
- /// The information gathered from labels that will have dwarf label
- /// entries when generating dwarf assembly source files.
- std::vector<MCGenDwarfLabelEntry> MCGenDwarfLabelEntries;
-
- /// The string to embed in the debug information for the compile unit, if
- /// non-empty.
- StringRef DwarfDebugFlags;
-
- /// The string to embed in as the dwarf AT_producer for the compile unit, if
- /// non-empty.
- StringRef DwarfDebugProducer;
-
- /// The maximum version of dwarf that we should emit.
- uint16_t DwarfVersion = 4;
-
- /// The format of dwarf that we emit.
- dwarf::DwarfFormat DwarfFormat = dwarf::DWARF32;
-
- /// Honor temporary labels, this is useful for debugging semantic
- ///
diff erences between temporary and non-temporary labels (primarily on
- /// Darwin).
- bool AllowTemporaryLabels = true;
- bool UseNamesOnTempLabels = false;
-
- /// The Compile Unit ID that we are currently processing.
- unsigned DwarfCompileUnitID = 0;
-
- /// A collection of MCPseudoProbe in the current module
- MCPseudoProbeTable PseudoProbeTable;
-
- // Sections are
diff erentiated by the quadruple (section_name, group_name,
- // unique_id, link_to_symbol_name). Sections sharing the same quadruple are
- // combined into one section.
- struct ELFSectionKey {
- std::string SectionName;
- StringRef GroupName;
- StringRef LinkedToName;
- unsigned UniqueID;
-
- ELFSectionKey(StringRef SectionName, StringRef GroupName,
- StringRef LinkedToName, unsigned UniqueID)
- : SectionName(SectionName), GroupName(GroupName),
- LinkedToName(LinkedToName), UniqueID(UniqueID) {}
-
- bool operator<(const ELFSectionKey &Other) const {
- if (SectionName != Other.SectionName)
- return SectionName < Other.SectionName;
- if (GroupName != Other.GroupName)
- return GroupName < Other.GroupName;
- if (int O = LinkedToName.compare(Other.LinkedToName))
- return O < 0;
- return UniqueID < Other.UniqueID;
- }
- };
-
- struct COFFSectionKey {
- std::string SectionName;
- StringRef GroupName;
- int SelectionKey;
- unsigned UniqueID;
-
- COFFSectionKey(StringRef SectionName, StringRef GroupName,
- int SelectionKey, unsigned UniqueID)
- : SectionName(SectionName), GroupName(GroupName),
- SelectionKey(SelectionKey), UniqueID(UniqueID) {}
-
- bool operator<(const COFFSectionKey &Other) const {
- if (SectionName != Other.SectionName)
- return SectionName < Other.SectionName;
- if (GroupName != Other.GroupName)
- return GroupName < Other.GroupName;
- if (SelectionKey != Other.SelectionKey)
- return SelectionKey < Other.SelectionKey;
- return UniqueID < Other.UniqueID;
- }
- };
-
- struct WasmSectionKey {
- std::string SectionName;
- StringRef GroupName;
- unsigned UniqueID;
-
- WasmSectionKey(StringRef SectionName, StringRef GroupName,
- unsigned UniqueID)
- : SectionName(SectionName), GroupName(GroupName), UniqueID(UniqueID) {
- }
-
- bool operator<(const WasmSectionKey &Other) const {
- if (SectionName != Other.SectionName)
- return SectionName < Other.SectionName;
- if (GroupName != Other.GroupName)
- return GroupName < Other.GroupName;
- return UniqueID < Other.UniqueID;
- }
- };
-
- struct XCOFFSectionKey {
- // Section name.
- std::string SectionName;
- // Section property.
- // For csect section, it is storage mapping class.
- // For debug section, it is section type flags.
- union {
- XCOFF::StorageMappingClass MappingClass;
- XCOFF::DwarfSectionSubtypeFlags DwarfSubtypeFlags;
- };
- bool IsCsect;
-
- XCOFFSectionKey(StringRef SectionName,
- XCOFF::StorageMappingClass MappingClass)
- : SectionName(SectionName), MappingClass(MappingClass),
- IsCsect(true) {}
-
- XCOFFSectionKey(StringRef SectionName,
- XCOFF::DwarfSectionSubtypeFlags DwarfSubtypeFlags)
- : SectionName(SectionName), DwarfSubtypeFlags(DwarfSubtypeFlags),
- IsCsect(false) {}
-
- bool operator<(const XCOFFSectionKey &Other) const {
- if (IsCsect && Other.IsCsect)
- return std::tie(SectionName, MappingClass) <
- std::tie(Other.SectionName, Other.MappingClass);
- if (IsCsect != Other.IsCsect)
- return IsCsect;
- return std::tie(SectionName, DwarfSubtypeFlags) <
- std::tie(Other.SectionName, Other.DwarfSubtypeFlags);
- }
- };
-
- StringMap<MCSectionMachO *> MachOUniquingMap;
- std::map<ELFSectionKey, MCSectionELF *> ELFUniquingMap;
- std::map<COFFSectionKey, MCSectionCOFF *> COFFUniquingMap;
- std::map<std::string, MCSectionGOFF *> GOFFUniquingMap;
- std::map<WasmSectionKey, MCSectionWasm *> WasmUniquingMap;
- std::map<XCOFFSectionKey, MCSectionXCOFF *> XCOFFUniquingMap;
- StringMap<bool> RelSecNames;
-
- SpecificBumpPtrAllocator<MCSubtargetInfo> MCSubtargetAllocator;
-
- /// Do automatic reset in destructor
- bool AutoReset;
+class CodeViewContext;
+class MCAsmInfo;
+class MCInst;
+class MCLabel;
+class MCObjectFileInfo;
+class MCRegisterInfo;
+class MCSection;
+class MCSectionCOFF;
+class MCSectionELF;
+class MCSectionGOFF;
+class MCSectionMachO;
+class MCSectionWasm;
+class MCSectionXCOFF;
+class MCStreamer;
+class MCSubtargetInfo;
+class MCSymbol;
+class MCSymbolELF;
+class MCSymbolWasm;
+class MCSymbolXCOFF;
+class MCTargetOptions;
+class MDNode;
+template <typename T> class SmallVectorImpl;
+class SMDiagnostic;
+class SMLoc;
+class SourceMgr;
+
+/// Context object for machine code objects. This class owns all of the
+/// sections that it creates.
+///
+class MCContext {
+public:
+ using SymbolTable = StringMap<MCSymbol *, BumpPtrAllocator &>;
+ using DiagHandlerTy =
+ std::function<void(const SMDiagnostic &, bool, const SourceMgr &,
+ std::vector<const MDNode *> &)>;
+ enum Environment { IsMachO, IsELF, IsGOFF, IsCOFF, IsWasm, IsXCOFF };
- MCTargetOptions const *TargetOptions;
+private:
+ Environment Env;
- bool HadError = false;
+ /// The name of the Segment where Swift5 Reflection Section data will be
+ /// outputted
+ StringRef Swift5ReflectionSegmentName;
- void reportCommon(SMLoc Loc,
- std::function<void(SMDiagnostic &, const SourceMgr *)>);
+ /// The triple for this object.
+ Triple TT;
- MCSymbol *createSymbolImpl(const StringMapEntry<bool> *Name,
- bool CanBeUnnamed);
- MCSymbol *createSymbol(StringRef Name, bool AlwaysAddSuffix,
- bool IsTemporary);
+ /// The SourceMgr for this object, if any.
+ const SourceMgr *SrcMgr;
- MCSymbol *getOrCreateDirectionalLocalSymbol(unsigned LocalLabelVal,
- unsigned Instance);
+ /// The SourceMgr for inline assembly, if any.
+ std::unique_ptr<SourceMgr> InlineSrcMgr;
+ std::vector<const MDNode *> LocInfos;
- MCSectionELF *createELFSectionImpl(StringRef Section, unsigned Type,
- unsigned Flags, SectionKind K,
- unsigned EntrySize,
- const MCSymbolELF *Group, bool IsComdat,
- unsigned UniqueID,
- const MCSymbolELF *LinkedToSym);
+ DiagHandlerTy DiagHandler;
- MCSymbolXCOFF *createXCOFFSymbolImpl(const StringMapEntry<bool> *Name,
- bool IsTemporary);
+ /// The MCAsmInfo for this target.
+ const MCAsmInfo *MAI;
- /// Map of currently defined macros.
- StringMap<MCAsmMacro> MacroMap;
+ /// The MCRegisterInfo for this target.
+ const MCRegisterInfo *MRI;
- struct ELFEntrySizeKey {
- std::string SectionName;
- unsigned Flags;
- unsigned EntrySize;
+ /// The MCObjectFileInfo for this target.
+ const MCObjectFileInfo *MOFI;
- ELFEntrySizeKey(StringRef SectionName, unsigned Flags, unsigned EntrySize)
- : SectionName(SectionName), Flags(Flags), EntrySize(EntrySize) {}
+ /// The MCSubtargetInfo for this target.
+ const MCSubtargetInfo *MSTI;
- bool operator<(const ELFEntrySizeKey &Other) const {
- if (SectionName != Other.SectionName)
- return SectionName < Other.SectionName;
- if (Flags != Other.Flags)
- return Flags < Other.Flags;
- return EntrySize < Other.EntrySize;
- }
- };
+ std::unique_ptr<CodeViewContext> CVContext;
- // Symbols must be assigned to a section with a compatible entry size and
- // flags. This map is used to assign unique IDs to sections to distinguish
- // between sections with identical names but incompatible entry sizes and/or
- // flags. This can occur when a symbol is explicitly assigned to a section,
- // e.g. via __attribute__((section("myname"))).
- std::map<ELFEntrySizeKey, unsigned> ELFEntrySizeMap;
-
- // This set is used to record the generic mergeable section names seen.
- // These are sections that are created as mergeable e.g. .debug_str. We need
- // to avoid assigning non-mergeable symbols to these sections. It is used
- // to prevent non-mergeable symbols being explicitly assigned to mergeable
- // sections (e.g. via _attribute_((section("myname")))).
- DenseSet<StringRef> ELFSeenGenericMergeableSections;
-
- public:
- explicit MCContext(const Triple &TheTriple, const MCAsmInfo *MAI,
- const MCRegisterInfo *MRI, const MCSubtargetInfo *MSTI,
- const SourceMgr *Mgr = nullptr,
- MCTargetOptions const *TargetOpts = nullptr,
- bool DoAutoReset = true,
- StringRef Swift5ReflSegmentName = {});
- MCContext(const MCContext &) = delete;
- MCContext &operator=(const MCContext &) = delete;
- ~MCContext();
-
- Environment getObjectFileType() const { return Env; }
-
- const StringRef &getSwift5ReflectionSegmentName() const {
- return Swift5ReflectionSegmentName;
+ /// Allocator object used for creating machine code objects.
+ ///
+ /// We use a bump pointer allocator to avoid the need to track all allocated
+ /// objects.
+ BumpPtrAllocator Allocator;
+
+ SpecificBumpPtrAllocator<MCSectionCOFF> COFFAllocator;
+ SpecificBumpPtrAllocator<MCSectionELF> ELFAllocator;
+ SpecificBumpPtrAllocator<MCSectionMachO> MachOAllocator;
+ SpecificBumpPtrAllocator<MCSectionGOFF> GOFFAllocator;
+ SpecificBumpPtrAllocator<MCSectionWasm> WasmAllocator;
+ SpecificBumpPtrAllocator<MCSectionXCOFF> XCOFFAllocator;
+ SpecificBumpPtrAllocator<MCInst> MCInstAllocator;
+
+ /// Bindings of names to symbols.
+ SymbolTable Symbols;
+
+ /// A mapping from a local label number and an instance count to a symbol.
+ /// For example, in the assembly
+ /// 1:
+ /// 2:
+ /// 1:
+ /// We have three labels represented by the pairs (1, 0), (2, 0) and (1, 1)
+ DenseMap<std::pair<unsigned, unsigned>, MCSymbol *> LocalSymbols;
+
+ /// Keeps tracks of names that were used both for used declared and
+ /// artificial symbols. The value is "true" if the name has been used for a
+ /// non-section symbol (there can be at most one of those, plus an unlimited
+ /// number of section symbols with the same name).
+ StringMap<bool, BumpPtrAllocator &> UsedNames;
+
+ /// Keeps track of labels that are used in inline assembly.
+ SymbolTable InlineAsmUsedLabelNames;
+
+ /// The next ID to dole out to an unnamed assembler temporary symbol with
+ /// a given prefix.
+ StringMap<unsigned> NextID;
+
+ /// Instances of directional local labels.
+ DenseMap<unsigned, MCLabel *> Instances;
+ /// NextInstance() creates the next instance of the directional local label
+ /// for the LocalLabelVal and adds it to the map if needed.
+ unsigned NextInstance(unsigned LocalLabelVal);
+ /// GetInstance() gets the current instance of the directional local label
+ /// for the LocalLabelVal and adds it to the map if needed.
+ unsigned GetInstance(unsigned LocalLabelVal);
+
+ /// The file name of the log file from the environment variable
+ /// AS_SECURE_LOG_FILE. Which must be set before the .secure_log_unique
+ /// directive is used or it is an error.
+ char *SecureLogFile;
+ /// The stream that gets written to for the .secure_log_unique directive.
+ std::unique_ptr<raw_fd_ostream> SecureLog;
+ /// Boolean toggled when .secure_log_unique / .secure_log_reset is seen to
+ /// catch errors if .secure_log_unique appears twice without
+ /// .secure_log_reset appearing between them.
+ bool SecureLogUsed = false;
+
+ /// The compilation directory to use for DW_AT_comp_dir.
+ SmallString<128> CompilationDir;
+
+ /// Prefix replacement map for source file information.
+ std::map<const std::string, const std::string> DebugPrefixMap;
+
+ /// The main file name if passed in explicitly.
+ std::string MainFileName;
+
+ /// The dwarf file and directory tables from the dwarf .file directive.
+ /// We now emit a line table for each compile unit. To reduce the prologue
+ /// size of each line table, the files and directories used by each compile
+ /// unit are separated.
+ std::map<unsigned, MCDwarfLineTable> MCDwarfLineTablesCUMap;
+
+ /// The current dwarf line information from the last dwarf .loc directive.
+ MCDwarfLoc CurrentDwarfLoc;
+ bool DwarfLocSeen = false;
+
+ /// Generate dwarf debugging info for assembly source files.
+ bool GenDwarfForAssembly = false;
+
+ /// The current dwarf file number when generate dwarf debugging info for
+ /// assembly source files.
+ unsigned GenDwarfFileNumber = 0;
+
+ /// Sections for generating the .debug_ranges and .debug_aranges sections.
+ SetVector<MCSection *> SectionsForRanges;
+
+ /// The information gathered from labels that will have dwarf label
+ /// entries when generating dwarf assembly source files.
+ std::vector<MCGenDwarfLabelEntry> MCGenDwarfLabelEntries;
+
+ /// The string to embed in the debug information for the compile unit, if
+ /// non-empty.
+ StringRef DwarfDebugFlags;
+
+ /// The string to embed in as the dwarf AT_producer for the compile unit, if
+ /// non-empty.
+ StringRef DwarfDebugProducer;
+
+ /// The maximum version of dwarf that we should emit.
+ uint16_t DwarfVersion = 4;
+
+ /// The format of dwarf that we emit.
+ dwarf::DwarfFormat DwarfFormat = dwarf::DWARF32;
+
+ /// Honor temporary labels, this is useful for debugging semantic
+ ///
diff erences between temporary and non-temporary labels (primarily on
+ /// Darwin).
+ bool AllowTemporaryLabels = true;
+ bool UseNamesOnTempLabels = false;
+
+ /// The Compile Unit ID that we are currently processing.
+ unsigned DwarfCompileUnitID = 0;
+
+ /// A collection of MCPseudoProbe in the current module
+ MCPseudoProbeTable PseudoProbeTable;
+
+ // Sections are
diff erentiated by the quadruple (section_name, group_name,
+ // unique_id, link_to_symbol_name). Sections sharing the same quadruple are
+ // combined into one section.
+ struct ELFSectionKey {
+ std::string SectionName;
+ StringRef GroupName;
+ StringRef LinkedToName;
+ unsigned UniqueID;
+
+ ELFSectionKey(StringRef SectionName, StringRef GroupName,
+ StringRef LinkedToName, unsigned UniqueID)
+ : SectionName(SectionName), GroupName(GroupName),
+ LinkedToName(LinkedToName), UniqueID(UniqueID) {}
+
+ bool operator<(const ELFSectionKey &Other) const {
+ if (SectionName != Other.SectionName)
+ return SectionName < Other.SectionName;
+ if (GroupName != Other.GroupName)
+ return GroupName < Other.GroupName;
+ if (int O = LinkedToName.compare(Other.LinkedToName))
+ return O < 0;
+ return UniqueID < Other.UniqueID;
}
- const Triple &getTargetTriple() const { return TT; }
- const SourceMgr *getSourceManager() const { return SrcMgr; }
+ };
- void initInlineSourceManager();
- SourceMgr *getInlineSourceManager() {
- return InlineSrcMgr.get();
+ struct COFFSectionKey {
+ std::string SectionName;
+ StringRef GroupName;
+ int SelectionKey;
+ unsigned UniqueID;
+
+ COFFSectionKey(StringRef SectionName, StringRef GroupName, int SelectionKey,
+ unsigned UniqueID)
+ : SectionName(SectionName), GroupName(GroupName),
+ SelectionKey(SelectionKey), UniqueID(UniqueID) {}
+
+ bool operator<(const COFFSectionKey &Other) const {
+ if (SectionName != Other.SectionName)
+ return SectionName < Other.SectionName;
+ if (GroupName != Other.GroupName)
+ return GroupName < Other.GroupName;
+ if (SelectionKey != Other.SelectionKey)
+ return SelectionKey < Other.SelectionKey;
+ return UniqueID < Other.UniqueID;
}
- std::vector<const MDNode *> &getLocInfos() { return LocInfos; }
- void setDiagnosticHandler(DiagHandlerTy DiagHandler) {
- this->DiagHandler = DiagHandler;
- }
-
- void setObjectFileInfo(const MCObjectFileInfo *Mofi) { MOFI = Mofi; }
-
- const MCAsmInfo *getAsmInfo() const { return MAI; }
-
- const MCRegisterInfo *getRegisterInfo() const { return MRI; }
-
- const MCObjectFileInfo *getObjectFileInfo() const { return MOFI; }
-
- const MCSubtargetInfo *getSubtargetInfo() const { return MSTI; }
-
- CodeViewContext &getCVContext();
-
- void setAllowTemporaryLabels(bool Value) { AllowTemporaryLabels = Value; }
- void setUseNamesOnTempLabels(bool Value) { UseNamesOnTempLabels = Value; }
-
- /// \name Module Lifetime Management
- /// @{
-
- /// reset - return object to right after construction state to prepare
- /// to process a new module
- void reset();
-
- /// @}
-
- /// \name McInst Management
-
- /// Create and return a new MC instruction.
- MCInst *createMCInst();
-
- /// \name Symbol Management
- /// @{
-
- /// Create and return a new linker temporary symbol with a unique but
- /// unspecified name.
- MCSymbol *createLinkerPrivateTempSymbol();
-
- /// Create a temporary symbol with a unique name. The name will be omitted
- /// in the symbol table if UseNamesOnTempLabels is false (default except
- /// MCAsmStreamer). The overload without Name uses an unspecified name.
- MCSymbol *createTempSymbol();
- MCSymbol *createTempSymbol(const Twine &Name, bool AlwaysAddSuffix = true);
-
- /// Create a temporary symbol with a unique name whose name cannot be
- /// omitted in the symbol table. This is rarely used.
- MCSymbol *createNamedTempSymbol();
- MCSymbol *createNamedTempSymbol(const Twine &Name);
-
- /// Create the definition of a directional local symbol for numbered label
- /// (used for "1:" definitions).
- MCSymbol *createDirectionalLocalSymbol(unsigned LocalLabelVal);
-
- /// Create and return a directional local symbol for numbered label (used
- /// for "1b" or 1f" references).
- MCSymbol *getDirectionalLocalSymbol(unsigned LocalLabelVal, bool Before);
+ };
- /// Lookup the symbol inside with the specified \p Name. If it exists,
- /// return it. If not, create a forward reference and return it.
- ///
- /// \param Name - The symbol name, which must be unique across all symbols.
- MCSymbol *getOrCreateSymbol(const Twine &Name);
+ struct WasmSectionKey {
+ std::string SectionName;
+ StringRef GroupName;
+ unsigned UniqueID;
+
+ WasmSectionKey(StringRef SectionName, StringRef GroupName,
+ unsigned UniqueID)
+ : SectionName(SectionName), GroupName(GroupName), UniqueID(UniqueID) {}
+
+ bool operator<(const WasmSectionKey &Other) const {
+ if (SectionName != Other.SectionName)
+ return SectionName < Other.SectionName;
+ if (GroupName != Other.GroupName)
+ return GroupName < Other.GroupName;
+ return UniqueID < Other.UniqueID;
+ }
+ };
- /// Gets a symbol that will be defined to the final stack offset of a local
- /// variable after codegen.
- ///
- /// \param Idx - The index of a local variable passed to \@llvm.localescape.
- MCSymbol *getOrCreateFrameAllocSymbol(StringRef FuncName, unsigned Idx);
+ struct XCOFFSectionKey {
+ // Section name.
+ std::string SectionName;
+ // Section property.
+ // For csect section, it is storage mapping class.
+ // For debug section, it is section type flags.
+ union {
+ XCOFF::StorageMappingClass MappingClass;
+ XCOFF::DwarfSectionSubtypeFlags DwarfSubtypeFlags;
+ };
+ bool IsCsect;
+
+ XCOFFSectionKey(StringRef SectionName,
+ XCOFF::StorageMappingClass MappingClass)
+ : SectionName(SectionName), MappingClass(MappingClass), IsCsect(true) {}
+
+ XCOFFSectionKey(StringRef SectionName,
+ XCOFF::DwarfSectionSubtypeFlags DwarfSubtypeFlags)
+ : SectionName(SectionName), DwarfSubtypeFlags(DwarfSubtypeFlags),
+ IsCsect(false) {}
+
+ bool operator<(const XCOFFSectionKey &Other) const {
+ if (IsCsect && Other.IsCsect)
+ return std::tie(SectionName, MappingClass) <
+ std::tie(Other.SectionName, Other.MappingClass);
+ if (IsCsect != Other.IsCsect)
+ return IsCsect;
+ return std::tie(SectionName, DwarfSubtypeFlags) <
+ std::tie(Other.SectionName, Other.DwarfSubtypeFlags);
+ }
+ };
- MCSymbol *getOrCreateParentFrameOffsetSymbol(StringRef FuncName);
+ StringMap<MCSectionMachO *> MachOUniquingMap;
+ std::map<ELFSectionKey, MCSectionELF *> ELFUniquingMap;
+ std::map<COFFSectionKey, MCSectionCOFF *> COFFUniquingMap;
+ std::map<std::string, MCSectionGOFF *> GOFFUniquingMap;
+ std::map<WasmSectionKey, MCSectionWasm *> WasmUniquingMap;
+ std::map<XCOFFSectionKey, MCSectionXCOFF *> XCOFFUniquingMap;
+ StringMap<bool> RelSecNames;
- MCSymbol *getOrCreateLSDASymbol(StringRef FuncName);
+ SpecificBumpPtrAllocator<MCSubtargetInfo> MCSubtargetAllocator;
- /// Get the symbol for \p Name, or null.
- MCSymbol *lookupSymbol(const Twine &Name) const;
+ /// Do automatic reset in destructor
+ bool AutoReset;
- /// Set value for a symbol.
- void setSymbolValue(MCStreamer &Streamer, StringRef Sym, uint64_t Val);
+ MCTargetOptions const *TargetOptions;
- /// getSymbols - Get a reference for the symbol table for clients that
- /// want to, for example, iterate over all symbols. 'const' because we
- /// still want any modifications to the table itself to use the MCContext
- /// APIs.
- const SymbolTable &getSymbols() const { return Symbols; }
+ bool HadError = false;
- /// isInlineAsmLabel - Return true if the name is a label referenced in
- /// inline assembly.
- MCSymbol *getInlineAsmLabel(StringRef Name) const {
- return InlineAsmUsedLabelNames.lookup(Name);
- }
+ void reportCommon(SMLoc Loc,
+ std::function<void(SMDiagnostic &, const SourceMgr *)>);
- /// registerInlineAsmLabel - Records that the name is a label referenced in
- /// inline assembly.
- void registerInlineAsmLabel(MCSymbol *Sym);
+ MCSymbol *createSymbolImpl(const StringMapEntry<bool> *Name,
+ bool CanBeUnnamed);
+ MCSymbol *createSymbol(StringRef Name, bool AlwaysAddSuffix,
+ bool IsTemporary);
- /// @}
+ MCSymbol *getOrCreateDirectionalLocalSymbol(unsigned LocalLabelVal,
+ unsigned Instance);
- /// \name Section Management
- /// @{
+ MCSectionELF *createELFSectionImpl(StringRef Section, unsigned Type,
+ unsigned Flags, SectionKind K,
+ unsigned EntrySize,
+ const MCSymbolELF *Group, bool IsComdat,
+ unsigned UniqueID,
+ const MCSymbolELF *LinkedToSym);
- enum : unsigned {
- /// Pass this value as the UniqueID during section creation to get the
- /// generic section with the given name and characteristics. The usual
- /// sections such as .text use this ID.
- GenericSectionID = ~0U
- };
+ MCSymbolXCOFF *createXCOFFSymbolImpl(const StringMapEntry<bool> *Name,
+ bool IsTemporary);
- /// Return the MCSection for the specified mach-o section. This requires
- /// the operands to be valid.
- MCSectionMachO *getMachOSection(StringRef Segment, StringRef Section,
- unsigned TypeAndAttributes,
- unsigned Reserved2, SectionKind K,
- const char *BeginSymName = nullptr);
-
- MCSectionMachO *getMachOSection(StringRef Segment, StringRef Section,
- unsigned TypeAndAttributes, SectionKind K,
- const char *BeginSymName = nullptr) {
- return getMachOSection(Segment, Section, TypeAndAttributes, 0, K,
- BeginSymName);
- }
+ /// Map of currently defined macros.
+ StringMap<MCAsmMacro> MacroMap;
- MCSectionELF *getELFSection(const Twine &Section, unsigned Type,
- unsigned Flags) {
- return getELFSection(Section, Type, Flags, 0, "", false);
- }
+ struct ELFEntrySizeKey {
+ std::string SectionName;
+ unsigned Flags;
+ unsigned EntrySize;
- MCSectionELF *getELFSection(const Twine &Section, unsigned Type,
- unsigned Flags, unsigned EntrySize) {
- return getELFSection(Section, Type, Flags, EntrySize, "", false,
- MCSection::NonUniqueID, nullptr);
- }
+ ELFEntrySizeKey(StringRef SectionName, unsigned Flags, unsigned EntrySize)
+ : SectionName(SectionName), Flags(Flags), EntrySize(EntrySize) {}
- MCSectionELF *getELFSection(const Twine &Section, unsigned Type,
- unsigned Flags, unsigned EntrySize,
- const Twine &Group, bool IsComdat) {
- return getELFSection(Section, Type, Flags, EntrySize, Group, IsComdat,
- MCSection::NonUniqueID, nullptr);
+ bool operator<(const ELFEntrySizeKey &Other) const {
+ if (SectionName != Other.SectionName)
+ return SectionName < Other.SectionName;
+ if (Flags != Other.Flags)
+ return Flags < Other.Flags;
+ return EntrySize < Other.EntrySize;
}
+ };
- MCSectionELF *getELFSection(const Twine &Section, unsigned Type,
- unsigned Flags, unsigned EntrySize,
- const Twine &Group, bool IsComdat,
- unsigned UniqueID,
- const MCSymbolELF *LinkedToSym);
+ // Symbols must be assigned to a section with a compatible entry size and
+ // flags. This map is used to assign unique IDs to sections to distinguish
+ // between sections with identical names but incompatible entry sizes and/or
+ // flags. This can occur when a symbol is explicitly assigned to a section,
+ // e.g. via __attribute__((section("myname"))).
+ std::map<ELFEntrySizeKey, unsigned> ELFEntrySizeMap;
- MCSectionELF *getELFSection(const Twine &Section, unsigned Type,
- unsigned Flags, unsigned EntrySize,
- const MCSymbolELF *Group, bool IsComdat,
- unsigned UniqueID,
- const MCSymbolELF *LinkedToSym);
+ // This set is used to record the generic mergeable section names seen.
+ // These are sections that are created as mergeable e.g. .debug_str. We need
+ // to avoid assigning non-mergeable symbols to these sections. It is used
+ // to prevent non-mergeable symbols being explicitly assigned to mergeable
+ // sections (e.g. via _attribute_((section("myname")))).
+ DenseSet<StringRef> ELFSeenGenericMergeableSections;
- /// Get a section with the provided group identifier. This section is
- /// named by concatenating \p Prefix with '.' then \p Suffix. The \p Type
- /// describes the type of the section and \p Flags are used to further
- /// configure this named section.
- MCSectionELF *getELFNamedSection(const Twine &Prefix, const Twine &Suffix,
- unsigned Type, unsigned Flags,
- unsigned EntrySize = 0);
+public:
+ explicit MCContext(const Triple &TheTriple, const MCAsmInfo *MAI,
+ const MCRegisterInfo *MRI, const MCSubtargetInfo *MSTI,
+ const SourceMgr *Mgr = nullptr,
+ MCTargetOptions const *TargetOpts = nullptr,
+ bool DoAutoReset = true,
+ StringRef Swift5ReflSegmentName = {});
+ MCContext(const MCContext &) = delete;
+ MCContext &operator=(const MCContext &) = delete;
+ ~MCContext();
- MCSectionELF *createELFRelSection(const Twine &Name, unsigned Type,
- unsigned Flags, unsigned EntrySize,
- const MCSymbolELF *Group,
- const MCSectionELF *RelInfoSection);
+ Environment getObjectFileType() const { return Env; }
- void renameELFSection(MCSectionELF *Section, StringRef Name);
+ const StringRef &getSwift5ReflectionSegmentName() const {
+ return Swift5ReflectionSegmentName;
+ }
+ const Triple &getTargetTriple() const { return TT; }
+ const SourceMgr *getSourceManager() const { return SrcMgr; }
- MCSectionELF *createELFGroupSection(const MCSymbolELF *Group,
- bool IsComdat);
+ void initInlineSourceManager();
+ SourceMgr *getInlineSourceManager() { return InlineSrcMgr.get(); }
+ std::vector<const MDNode *> &getLocInfos() { return LocInfos; }
+ void setDiagnosticHandler(DiagHandlerTy DiagHandler) {
+ this->DiagHandler = DiagHandler;
+ }
- void recordELFMergeableSectionInfo(StringRef SectionName, unsigned Flags,
- unsigned UniqueID, unsigned EntrySize);
+ void setObjectFileInfo(const MCObjectFileInfo *Mofi) { MOFI = Mofi; }
- bool isELFImplicitMergeableSectionNamePrefix(StringRef Name);
+ const MCAsmInfo *getAsmInfo() const { return MAI; }
- bool isELFGenericMergeableSection(StringRef Name);
+ const MCRegisterInfo *getRegisterInfo() const { return MRI; }
- /// Return the unique ID of the section with the given name, flags and entry
- /// size, if it exists.
- Optional<unsigned> getELFUniqueIDForEntsize(StringRef SectionName,
- unsigned Flags,
- unsigned EntrySize);
+ const MCObjectFileInfo *getObjectFileInfo() const { return MOFI; }
- MCSectionGOFF *getGOFFSection(StringRef Section, SectionKind Kind);
+ const MCSubtargetInfo *getSubtargetInfo() const { return MSTI; }
- MCSectionCOFF *getCOFFSection(StringRef Section, unsigned Characteristics,
- SectionKind Kind, StringRef COMDATSymName,
- int Selection,
- unsigned UniqueID = GenericSectionID,
- const char *BeginSymName = nullptr);
-
- MCSectionCOFF *getCOFFSection(StringRef Section, unsigned Characteristics,
- SectionKind Kind,
- const char *BeginSymName = nullptr);
+ CodeViewContext &getCVContext();
- /// Gets or creates a section equivalent to Sec that is associated with the
- /// section containing KeySym. For example, to create a debug info section
- /// associated with an inline function, pass the normal debug info section
- /// as Sec and the function symbol as KeySym.
- MCSectionCOFF *
- getAssociativeCOFFSection(MCSectionCOFF *Sec, const MCSymbol *KeySym,
- unsigned UniqueID = GenericSectionID);
-
- MCSectionWasm *getWasmSection(const Twine &Section, SectionKind K,
- unsigned Flags = 0) {
- return getWasmSection(Section, K, Flags, nullptr);
- }
+ void setAllowTemporaryLabels(bool Value) { AllowTemporaryLabels = Value; }
+ void setUseNamesOnTempLabels(bool Value) { UseNamesOnTempLabels = Value; }
- MCSectionWasm *getWasmSection(const Twine &Section, SectionKind K,
- unsigned Flags, const char *BeginSymName) {
- return getWasmSection(Section, K, Flags, "", ~0, BeginSymName);
- }
+ /// \name Module Lifetime Management
+ /// @{
- MCSectionWasm *getWasmSection(const Twine &Section, SectionKind K,
- unsigned Flags, const Twine &Group,
- unsigned UniqueID) {
- return getWasmSection(Section, K, Flags, Group, UniqueID, nullptr);
- }
+ /// reset - return object to right after construction state to prepare
+ /// to process a new module
+ void reset();
- MCSectionWasm *getWasmSection(const Twine &Section, SectionKind K,
- unsigned Flags, const Twine &Group,
- unsigned UniqueID, const char *BeginSymName);
+ /// @}
- MCSectionWasm *getWasmSection(const Twine &Section, SectionKind K,
- unsigned Flags, const MCSymbolWasm *Group,
- unsigned UniqueID, const char *BeginSymName);
+ /// \name McInst Management
- bool hasXCOFFSection(StringRef Section,
- XCOFF::CsectProperties CsectProp) const;
+ /// Create and return a new MC instruction.
+ MCInst *createMCInst();
- MCSectionXCOFF *getXCOFFSection(
- StringRef Section, SectionKind K,
- Optional<XCOFF::CsectProperties> CsectProp = None,
- bool MultiSymbolsAllowed = false, const char *BeginSymName = nullptr,
- Optional<XCOFF::DwarfSectionSubtypeFlags> DwarfSubtypeFlags = None);
+ /// \name Symbol Management
+ /// @{
- // Create and save a copy of STI and return a reference to the copy.
- MCSubtargetInfo &getSubtargetCopy(const MCSubtargetInfo &STI);
+ /// Create and return a new linker temporary symbol with a unique but
+ /// unspecified name.
+ MCSymbol *createLinkerPrivateTempSymbol();
- /// @}
+ /// Create a temporary symbol with a unique name. The name will be omitted
+ /// in the symbol table if UseNamesOnTempLabels is false (default except
+ /// MCAsmStreamer). The overload without Name uses an unspecified name.
+ MCSymbol *createTempSymbol();
+ MCSymbol *createTempSymbol(const Twine &Name, bool AlwaysAddSuffix = true);
- /// \name Dwarf Management
- /// @{
+ /// Create a temporary symbol with a unique name whose name cannot be
+ /// omitted in the symbol table. This is rarely used.
+ MCSymbol *createNamedTempSymbol();
+ MCSymbol *createNamedTempSymbol(const Twine &Name);
- /// Get the compilation directory for DW_AT_comp_dir
- /// The compilation directory should be set with \c setCompilationDir before
- /// calling this function. If it is unset, an empty string will be returned.
- StringRef getCompilationDir() const { return CompilationDir; }
+ /// Create the definition of a directional local symbol for numbered label
+ /// (used for "1:" definitions).
+ MCSymbol *createDirectionalLocalSymbol(unsigned LocalLabelVal);
- /// Set the compilation directory for DW_AT_comp_dir
- void setCompilationDir(StringRef S) { CompilationDir = S.str(); }
+ /// Create and return a directional local symbol for numbered label (used
+ /// for "1b" or 1f" references).
+ MCSymbol *getDirectionalLocalSymbol(unsigned LocalLabelVal, bool Before);
- /// Add an entry to the debug prefix map.
- void addDebugPrefixMapEntry(const std::string &From, const std::string &To);
+ /// Lookup the symbol inside with the specified \p Name. If it exists,
+ /// return it. If not, create a forward reference and return it.
+ ///
+ /// \param Name - The symbol name, which must be unique across all symbols.
+ MCSymbol *getOrCreateSymbol(const Twine &Name);
- // Remaps all debug directory paths in-place as per the debug prefix map.
- void RemapDebugPaths();
+ /// Gets a symbol that will be defined to the final stack offset of a local
+ /// variable after codegen.
+ ///
+ /// \param Idx - The index of a local variable passed to \@llvm.localescape.
+ MCSymbol *getOrCreateFrameAllocSymbol(StringRef FuncName, unsigned Idx);
- /// Get the main file name for use in error messages and debug
- /// info. This can be set to ensure we've got the correct file name
- /// after preprocessing or for -save-temps.
- const std::string &getMainFileName() const { return MainFileName; }
+ MCSymbol *getOrCreateParentFrameOffsetSymbol(StringRef FuncName);
- /// Set the main file name and override the default.
- void setMainFileName(StringRef S) { MainFileName = std::string(S); }
+ MCSymbol *getOrCreateLSDASymbol(StringRef FuncName);
- /// Creates an entry in the dwarf file and directory tables.
- Expected<unsigned> getDwarfFile(StringRef Directory, StringRef FileName,
- unsigned FileNumber,
- Optional<MD5::MD5Result> Checksum,
- Optional<StringRef> Source, unsigned CUID);
+ /// Get the symbol for \p Name, or null.
+ MCSymbol *lookupSymbol(const Twine &Name) const;
- bool isValidDwarfFileNumber(unsigned FileNumber, unsigned CUID = 0);
+ /// Set value for a symbol.
+ void setSymbolValue(MCStreamer &Streamer, StringRef Sym, uint64_t Val);
- const std::map<unsigned, MCDwarfLineTable> &getMCDwarfLineTables() const {
- return MCDwarfLineTablesCUMap;
- }
+ /// getSymbols - Get a reference for the symbol table for clients that
+ /// want to, for example, iterate over all symbols. 'const' because we
+ /// still want any modifications to the table itself to use the MCContext
+ /// APIs.
+ const SymbolTable &getSymbols() const { return Symbols; }
- MCDwarfLineTable &getMCDwarfLineTable(unsigned CUID) {
- return MCDwarfLineTablesCUMap[CUID];
- }
+ /// isInlineAsmLabel - Return true if the name is a label referenced in
+ /// inline assembly.
+ MCSymbol *getInlineAsmLabel(StringRef Name) const {
+ return InlineAsmUsedLabelNames.lookup(Name);
+ }
- const MCDwarfLineTable &getMCDwarfLineTable(unsigned CUID) const {
- auto I = MCDwarfLineTablesCUMap.find(CUID);
- assert(I != MCDwarfLineTablesCUMap.end());
- return I->second;
- }
+ /// registerInlineAsmLabel - Records that the name is a label referenced in
+ /// inline assembly.
+ void registerInlineAsmLabel(MCSymbol *Sym);
- const SmallVectorImpl<MCDwarfFile> &getMCDwarfFiles(unsigned CUID = 0) {
- return getMCDwarfLineTable(CUID).getMCDwarfFiles();
- }
+ /// @}
- const SmallVectorImpl<std::string> &getMCDwarfDirs(unsigned CUID = 0) {
- return getMCDwarfLineTable(CUID).getMCDwarfDirs();
- }
+ /// \name Section Management
+ /// @{
- unsigned getDwarfCompileUnitID() { return DwarfCompileUnitID; }
+ enum : unsigned {
+ /// Pass this value as the UniqueID during section creation to get the
+ /// generic section with the given name and characteristics. The usual
+ /// sections such as .text use this ID.
+ GenericSectionID = ~0U
+ };
- void setDwarfCompileUnitID(unsigned CUIndex) {
- DwarfCompileUnitID = CUIndex;
- }
+ /// Return the MCSection for the specified mach-o section. This requires
+ /// the operands to be valid.
+ MCSectionMachO *getMachOSection(StringRef Segment, StringRef Section,
+ unsigned TypeAndAttributes,
+ unsigned Reserved2, SectionKind K,
+ const char *BeginSymName = nullptr);
- /// Specifies the "root" file and directory of the compilation unit.
- /// These are "file 0" and "directory 0" in DWARF v5.
- void setMCLineTableRootFile(unsigned CUID, StringRef CompilationDir,
- StringRef Filename,
- Optional<MD5::MD5Result> Checksum,
- Optional<StringRef> Source) {
- getMCDwarfLineTable(CUID).setRootFile(CompilationDir, Filename, Checksum,
- Source);
- }
+ MCSectionMachO *getMachOSection(StringRef Segment, StringRef Section,
+ unsigned TypeAndAttributes, SectionKind K,
+ const char *BeginSymName = nullptr) {
+ return getMachOSection(Segment, Section, TypeAndAttributes, 0, K,
+ BeginSymName);
+ }
+
+ MCSectionELF *getELFSection(const Twine &Section, unsigned Type,
+ unsigned Flags) {
+ return getELFSection(Section, Type, Flags, 0, "", false);
+ }
+
+ MCSectionELF *getELFSection(const Twine &Section, unsigned Type,
+ unsigned Flags, unsigned EntrySize) {
+ return getELFSection(Section, Type, Flags, EntrySize, "", false,
+ MCSection::NonUniqueID, nullptr);
+ }
+
+ MCSectionELF *getELFSection(const Twine &Section, unsigned Type,
+ unsigned Flags, unsigned EntrySize,
+ const Twine &Group, bool IsComdat) {
+ return getELFSection(Section, Type, Flags, EntrySize, Group, IsComdat,
+ MCSection::NonUniqueID, nullptr);
+ }
+
+ MCSectionELF *getELFSection(const Twine &Section, unsigned Type,
+ unsigned Flags, unsigned EntrySize,
+ const Twine &Group, bool IsComdat,
+ unsigned UniqueID,
+ const MCSymbolELF *LinkedToSym);
+
+ MCSectionELF *getELFSection(const Twine &Section, unsigned Type,
+ unsigned Flags, unsigned EntrySize,
+ const MCSymbolELF *Group, bool IsComdat,
+ unsigned UniqueID,
+ const MCSymbolELF *LinkedToSym);
+
+ /// Get a section with the provided group identifier. This section is
+ /// named by concatenating \p Prefix with '.' then \p Suffix. The \p Type
+ /// describes the type of the section and \p Flags are used to further
+ /// configure this named section.
+ MCSectionELF *getELFNamedSection(const Twine &Prefix, const Twine &Suffix,
+ unsigned Type, unsigned Flags,
+ unsigned EntrySize = 0);
+
+ MCSectionELF *createELFRelSection(const Twine &Name, unsigned Type,
+ unsigned Flags, unsigned EntrySize,
+ const MCSymbolELF *Group,
+ const MCSectionELF *RelInfoSection);
+
+ void renameELFSection(MCSectionELF *Section, StringRef Name);
+
+ MCSectionELF *createELFGroupSection(const MCSymbolELF *Group, bool IsComdat);
+
+ void recordELFMergeableSectionInfo(StringRef SectionName, unsigned Flags,
+ unsigned UniqueID, unsigned EntrySize);
+
+ bool isELFImplicitMergeableSectionNamePrefix(StringRef Name);
+
+ bool isELFGenericMergeableSection(StringRef Name);
+
+ /// Return the unique ID of the section with the given name, flags and entry
+ /// size, if it exists.
+ Optional<unsigned> getELFUniqueIDForEntsize(StringRef SectionName,
+ unsigned Flags,
+ unsigned EntrySize);
+
+ MCSectionGOFF *getGOFFSection(StringRef Section, SectionKind Kind);
+
+ MCSectionCOFF *getCOFFSection(StringRef Section, unsigned Characteristics,
+ SectionKind Kind, StringRef COMDATSymName,
+ int Selection,
+ unsigned UniqueID = GenericSectionID,
+ const char *BeginSymName = nullptr);
+
+ MCSectionCOFF *getCOFFSection(StringRef Section, unsigned Characteristics,
+ SectionKind Kind,
+ const char *BeginSymName = nullptr);
+
+ /// Gets or creates a section equivalent to Sec that is associated with the
+ /// section containing KeySym. For example, to create a debug info section
+ /// associated with an inline function, pass the normal debug info section
+ /// as Sec and the function symbol as KeySym.
+ MCSectionCOFF *
+ getAssociativeCOFFSection(MCSectionCOFF *Sec, const MCSymbol *KeySym,
+ unsigned UniqueID = GenericSectionID);
+
+ MCSectionWasm *getWasmSection(const Twine &Section, SectionKind K,
+ unsigned Flags = 0) {
+ return getWasmSection(Section, K, Flags, nullptr);
+ }
+
+ MCSectionWasm *getWasmSection(const Twine &Section, SectionKind K,
+ unsigned Flags, const char *BeginSymName) {
+ return getWasmSection(Section, K, Flags, "", ~0, BeginSymName);
+ }
+
+ MCSectionWasm *getWasmSection(const Twine &Section, SectionKind K,
+ unsigned Flags, const Twine &Group,
+ unsigned UniqueID) {
+ return getWasmSection(Section, K, Flags, Group, UniqueID, nullptr);
+ }
+
+ MCSectionWasm *getWasmSection(const Twine &Section, SectionKind K,
+ unsigned Flags, const Twine &Group,
+ unsigned UniqueID, const char *BeginSymName);
+
+ MCSectionWasm *getWasmSection(const Twine &Section, SectionKind K,
+ unsigned Flags, const MCSymbolWasm *Group,
+ unsigned UniqueID, const char *BeginSymName);
+
+ bool hasXCOFFSection(StringRef Section,
+ XCOFF::CsectProperties CsectProp) const;
+
+ MCSectionXCOFF *getXCOFFSection(
+ StringRef Section, SectionKind K,
+ Optional<XCOFF::CsectProperties> CsectProp = None,
+ bool MultiSymbolsAllowed = false, const char *BeginSymName = nullptr,
+ Optional<XCOFF::DwarfSectionSubtypeFlags> DwarfSubtypeFlags = None);
+
+ // Create and save a copy of STI and return a reference to the copy.
+ MCSubtargetInfo &getSubtargetCopy(const MCSubtargetInfo &STI);
+
+ /// @}
+
+ /// \name Dwarf Management
+ /// @{
+
+ /// Get the compilation directory for DW_AT_comp_dir
+ /// The compilation directory should be set with \c setCompilationDir before
+ /// calling this function. If it is unset, an empty string will be returned.
+ StringRef getCompilationDir() const { return CompilationDir; }
+
+ /// Set the compilation directory for DW_AT_comp_dir
+ void setCompilationDir(StringRef S) { CompilationDir = S.str(); }
+
+ /// Add an entry to the debug prefix map.
+ void addDebugPrefixMapEntry(const std::string &From, const std::string &To);
+
+ // Remaps all debug directory paths in-place as per the debug prefix map.
+ void RemapDebugPaths();
+
+ /// Get the main file name for use in error messages and debug
+ /// info. This can be set to ensure we've got the correct file name
+ /// after preprocessing or for -save-temps.
+ const std::string &getMainFileName() const { return MainFileName; }
+
+ /// Set the main file name and override the default.
+ void setMainFileName(StringRef S) { MainFileName = std::string(S); }
+
+ /// Creates an entry in the dwarf file and directory tables.
+ Expected<unsigned> getDwarfFile(StringRef Directory, StringRef FileName,
+ unsigned FileNumber,
+ Optional<MD5::MD5Result> Checksum,
+ Optional<StringRef> Source, unsigned CUID);
+
+ bool isValidDwarfFileNumber(unsigned FileNumber, unsigned CUID = 0);
+
+ const std::map<unsigned, MCDwarfLineTable> &getMCDwarfLineTables() const {
+ return MCDwarfLineTablesCUMap;
+ }
+
+ MCDwarfLineTable &getMCDwarfLineTable(unsigned CUID) {
+ return MCDwarfLineTablesCUMap[CUID];
+ }
+
+ const MCDwarfLineTable &getMCDwarfLineTable(unsigned CUID) const {
+ auto I = MCDwarfLineTablesCUMap.find(CUID);
+ assert(I != MCDwarfLineTablesCUMap.end());
+ return I->second;
+ }
+
+ const SmallVectorImpl<MCDwarfFile> &getMCDwarfFiles(unsigned CUID = 0) {
+ return getMCDwarfLineTable(CUID).getMCDwarfFiles();
+ }
+
+ const SmallVectorImpl<std::string> &getMCDwarfDirs(unsigned CUID = 0) {
+ return getMCDwarfLineTable(CUID).getMCDwarfDirs();
+ }
+
+ unsigned getDwarfCompileUnitID() { return DwarfCompileUnitID; }
+
+ void setDwarfCompileUnitID(unsigned CUIndex) { DwarfCompileUnitID = CUIndex; }
+
+ /// Specifies the "root" file and directory of the compilation unit.
+ /// These are "file 0" and "directory 0" in DWARF v5.
+ void setMCLineTableRootFile(unsigned CUID, StringRef CompilationDir,
+ StringRef Filename,
+ Optional<MD5::MD5Result> Checksum,
+ Optional<StringRef> Source) {
+ getMCDwarfLineTable(CUID).setRootFile(CompilationDir, Filename, Checksum,
+ Source);
+ }
- /// Reports whether MD5 checksum usage is consistent (all-or-none).
- bool isDwarfMD5UsageConsistent(unsigned CUID) const {
- return getMCDwarfLineTable(CUID).isMD5UsageConsistent();
- }
+ /// Reports whether MD5 checksum usage is consistent (all-or-none).
+ bool isDwarfMD5UsageConsistent(unsigned CUID) const {
+ return getMCDwarfLineTable(CUID).isMD5UsageConsistent();
+ }
- /// Saves the information from the currently parsed dwarf .loc directive
- /// and sets DwarfLocSeen. When the next instruction is assembled an entry
- /// in the line number table with this information and the address of the
- /// instruction will be created.
- void setCurrentDwarfLoc(unsigned FileNum, unsigned Line, unsigned Column,
- unsigned Flags, unsigned Isa,
- unsigned Discriminator) {
- CurrentDwarfLoc.setFileNum(FileNum);
- CurrentDwarfLoc.setLine(Line);
- CurrentDwarfLoc.setColumn(Column);
- CurrentDwarfLoc.setFlags(Flags);
- CurrentDwarfLoc.setIsa(Isa);
- CurrentDwarfLoc.setDiscriminator(Discriminator);
- DwarfLocSeen = true;
- }
+ /// Saves the information from the currently parsed dwarf .loc directive
+ /// and sets DwarfLocSeen. When the next instruction is assembled an entry
+ /// in the line number table with this information and the address of the
+ /// instruction will be created.
+ void setCurrentDwarfLoc(unsigned FileNum, unsigned Line, unsigned Column,
+ unsigned Flags, unsigned Isa,
+ unsigned Discriminator) {
+ CurrentDwarfLoc.setFileNum(FileNum);
+ CurrentDwarfLoc.setLine(Line);
+ CurrentDwarfLoc.setColumn(Column);
+ CurrentDwarfLoc.setFlags(Flags);
+ CurrentDwarfLoc.setIsa(Isa);
+ CurrentDwarfLoc.setDiscriminator(Discriminator);
+ DwarfLocSeen = true;
+ }
- void clearDwarfLocSeen() { DwarfLocSeen = false; }
+ void clearDwarfLocSeen() { DwarfLocSeen = false; }
- bool getDwarfLocSeen() { return DwarfLocSeen; }
- const MCDwarfLoc &getCurrentDwarfLoc() { return CurrentDwarfLoc; }
+ bool getDwarfLocSeen() { return DwarfLocSeen; }
+ const MCDwarfLoc &getCurrentDwarfLoc() { return CurrentDwarfLoc; }
- bool getGenDwarfForAssembly() { return GenDwarfForAssembly; }
- void setGenDwarfForAssembly(bool Value) { GenDwarfForAssembly = Value; }
- unsigned getGenDwarfFileNumber() { return GenDwarfFileNumber; }
+ bool getGenDwarfForAssembly() { return GenDwarfForAssembly; }
+ void setGenDwarfForAssembly(bool Value) { GenDwarfForAssembly = Value; }
+ unsigned getGenDwarfFileNumber() { return GenDwarfFileNumber; }
- void setGenDwarfFileNumber(unsigned FileNumber) {
- GenDwarfFileNumber = FileNumber;
- }
+ void setGenDwarfFileNumber(unsigned FileNumber) {
+ GenDwarfFileNumber = FileNumber;
+ }
- /// Specifies information about the "root file" for assembler clients
- /// (e.g., llvm-mc). Assumes compilation dir etc. have been set up.
- void setGenDwarfRootFile(StringRef FileName, StringRef Buffer);
+ /// Specifies information about the "root file" for assembler clients
+ /// (e.g., llvm-mc). Assumes compilation dir etc. have been set up.
+ void setGenDwarfRootFile(StringRef FileName, StringRef Buffer);
- const SetVector<MCSection *> &getGenDwarfSectionSyms() {
- return SectionsForRanges;
- }
+ const SetVector<MCSection *> &getGenDwarfSectionSyms() {
+ return SectionsForRanges;
+ }
- bool addGenDwarfSection(MCSection *Sec) {
- return SectionsForRanges.insert(Sec);
- }
+ bool addGenDwarfSection(MCSection *Sec) {
+ return SectionsForRanges.insert(Sec);
+ }
- void finalizeDwarfSections(MCStreamer &MCOS);
+ void finalizeDwarfSections(MCStreamer &MCOS);
- const std::vector<MCGenDwarfLabelEntry> &getMCGenDwarfLabelEntries() const {
- return MCGenDwarfLabelEntries;
- }
+ const std::vector<MCGenDwarfLabelEntry> &getMCGenDwarfLabelEntries() const {
+ return MCGenDwarfLabelEntries;
+ }
- void addMCGenDwarfLabelEntry(const MCGenDwarfLabelEntry &E) {
- MCGenDwarfLabelEntries.push_back(E);
- }
+ void addMCGenDwarfLabelEntry(const MCGenDwarfLabelEntry &E) {
+ MCGenDwarfLabelEntries.push_back(E);
+ }
- void setDwarfDebugFlags(StringRef S) { DwarfDebugFlags = S; }
- StringRef getDwarfDebugFlags() { return DwarfDebugFlags; }
+ void setDwarfDebugFlags(StringRef S) { DwarfDebugFlags = S; }
+ StringRef getDwarfDebugFlags() { return DwarfDebugFlags; }
- void setDwarfDebugProducer(StringRef S) { DwarfDebugProducer = S; }
- StringRef getDwarfDebugProducer() { return DwarfDebugProducer; }
+ void setDwarfDebugProducer(StringRef S) { DwarfDebugProducer = S; }
+ StringRef getDwarfDebugProducer() { return DwarfDebugProducer; }
- void setDwarfFormat(dwarf::DwarfFormat f) { DwarfFormat = f; }
- dwarf::DwarfFormat getDwarfFormat() const { return DwarfFormat; }
+ void setDwarfFormat(dwarf::DwarfFormat f) { DwarfFormat = f; }
+ dwarf::DwarfFormat getDwarfFormat() const { return DwarfFormat; }
+
+ void setDwarfVersion(uint16_t v) { DwarfVersion = v; }
+ uint16_t getDwarfVersion() const { return DwarfVersion; }
- void setDwarfVersion(uint16_t v) { DwarfVersion = v; }
- uint16_t getDwarfVersion() const { return DwarfVersion; }
+ /// @}
- /// @}
+ char *getSecureLogFile() { return SecureLogFile; }
+ raw_fd_ostream *getSecureLog() { return SecureLog.get(); }
+
+ void setSecureLog(std::unique_ptr<raw_fd_ostream> Value) {
+ SecureLog = std::move(Value);
+ }
- char *getSecureLogFile() { return SecureLogFile; }
- raw_fd_ostream *getSecureLog() { return SecureLog.get(); }
+ bool getSecureLogUsed() { return SecureLogUsed; }
+ void setSecureLogUsed(bool Value) { SecureLogUsed = Value; }
- void setSecureLog(std::unique_ptr<raw_fd_ostream> Value) {
- SecureLog = std::move(Value);
- }
+ void *allocate(unsigned Size, unsigned Align = 8) {
+ return Allocator.Allocate(Size, Align);
+ }
- bool getSecureLogUsed() { return SecureLogUsed; }
- void setSecureLogUsed(bool Value) { SecureLogUsed = Value; }
+ void deallocate(void *Ptr) {}
- void *allocate(unsigned Size, unsigned Align = 8) {
- return Allocator.Allocate(Size, Align);
- }
+ bool hadError() { return HadError; }
+ void diagnose(const SMDiagnostic &SMD);
+ void reportError(SMLoc L, const Twine &Msg);
+ void reportWarning(SMLoc L, const Twine &Msg);
+
+ const MCAsmMacro *lookupMacro(StringRef Name) {
+ StringMap<MCAsmMacro>::iterator I = MacroMap.find(Name);
+ return (I == MacroMap.end()) ? nullptr : &I->getValue();
+ }
- void deallocate(void *Ptr) {}
+ void defineMacro(StringRef Name, MCAsmMacro Macro) {
+ MacroMap.insert(std::make_pair(Name, std::move(Macro)));
+ }
- bool hadError() { return HadError; }
- void diagnose(const SMDiagnostic &SMD);
- void reportError(SMLoc L, const Twine &Msg);
- void reportWarning(SMLoc L, const Twine &Msg);
-
- const MCAsmMacro *lookupMacro(StringRef Name) {
- StringMap<MCAsmMacro>::iterator I = MacroMap.find(Name);
- return (I == MacroMap.end()) ? nullptr : &I->getValue();
- }
+ void undefineMacro(StringRef Name) { MacroMap.erase(Name); }
- void defineMacro(StringRef Name, MCAsmMacro Macro) {
- MacroMap.insert(std::make_pair(Name, std::move(Macro)));
- }
-
- void undefineMacro(StringRef Name) { MacroMap.erase(Name); }
-
- MCPseudoProbeTable &getMCPseudoProbeTable() { return PseudoProbeTable; }
- };
+ MCPseudoProbeTable &getMCPseudoProbeTable() { return PseudoProbeTable; }
+};
} // end namespace llvm
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