reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
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//===------------ DebugInfo.h - LLVM C API Debug Info API -----------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// This file declares the C API endpoints for generating DWARF Debug Info
///
/// Note: This interface is experimental. It is *NOT* stable, and may be
///       changed without warning.
///
//===----------------------------------------------------------------------===//

#ifndef LLVM_C_DEBUGINFO_H
#define LLVM_C_DEBUGINFO_H

#include "llvm-c/Core.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * Debug info flags.
 */
typedef enum {
  LLVMDIFlagZero = 0,
  LLVMDIFlagPrivate = 1,
  LLVMDIFlagProtected = 2,
  LLVMDIFlagPublic = 3,
  LLVMDIFlagFwdDecl = 1 << 2,
  LLVMDIFlagAppleBlock = 1 << 3,
  LLVMDIFlagBlockByrefStruct = 1 << 4,
  LLVMDIFlagVirtual = 1 << 5,
  LLVMDIFlagArtificial = 1 << 6,
  LLVMDIFlagExplicit = 1 << 7,
  LLVMDIFlagPrototyped = 1 << 8,
  LLVMDIFlagObjcClassComplete = 1 << 9,
  LLVMDIFlagObjectPointer = 1 << 10,
  LLVMDIFlagVector = 1 << 11,
  LLVMDIFlagStaticMember = 1 << 12,
  LLVMDIFlagLValueReference = 1 << 13,
  LLVMDIFlagRValueReference = 1 << 14,
  LLVMDIFlagReserved = 1 << 15,
  LLVMDIFlagSingleInheritance = 1 << 16,
  LLVMDIFlagMultipleInheritance = 2 << 16,
  LLVMDIFlagVirtualInheritance = 3 << 16,
  LLVMDIFlagIntroducedVirtual = 1 << 18,
  LLVMDIFlagBitField = 1 << 19,
  LLVMDIFlagNoReturn = 1 << 20,
  LLVMDIFlagMainSubprogram = 1 << 21,
  LLVMDIFlagTypePassByValue = 1 << 22,
  LLVMDIFlagTypePassByReference = 1 << 23,
  LLVMDIFlagIndirectVirtualBase = (1 << 2) | (1 << 5),
  LLVMDIFlagAccessibility = LLVMDIFlagPrivate | LLVMDIFlagProtected |
                            LLVMDIFlagPublic,
  LLVMDIFlagPtrToMemberRep = LLVMDIFlagSingleInheritance |
                             LLVMDIFlagMultipleInheritance |
                             LLVMDIFlagVirtualInheritance
} LLVMDIFlags;

/**
 * Source languages known by DWARF.
 */
typedef enum {
  LLVMDWARFSourceLanguageC89,
  LLVMDWARFSourceLanguageC,
  LLVMDWARFSourceLanguageAda83,
  LLVMDWARFSourceLanguageC_plus_plus,
  LLVMDWARFSourceLanguageCobol74,
  LLVMDWARFSourceLanguageCobol85,
  LLVMDWARFSourceLanguageFortran77,
  LLVMDWARFSourceLanguageFortran90,
  LLVMDWARFSourceLanguagePascal83,
  LLVMDWARFSourceLanguageModula2,
  // New in DWARF v3:
  LLVMDWARFSourceLanguageJava,
  LLVMDWARFSourceLanguageC99,
  LLVMDWARFSourceLanguageAda95,
  LLVMDWARFSourceLanguageFortran95,
  LLVMDWARFSourceLanguagePLI,
  LLVMDWARFSourceLanguageObjC,
  LLVMDWARFSourceLanguageObjC_plus_plus,
  LLVMDWARFSourceLanguageUPC,
  LLVMDWARFSourceLanguageD,
  // New in DWARF v4:
  LLVMDWARFSourceLanguagePython,
  // New in DWARF v5:
  LLVMDWARFSourceLanguageOpenCL,
  LLVMDWARFSourceLanguageGo,
  LLVMDWARFSourceLanguageModula3,
  LLVMDWARFSourceLanguageHaskell,
  LLVMDWARFSourceLanguageC_plus_plus_03,
  LLVMDWARFSourceLanguageC_plus_plus_11,
  LLVMDWARFSourceLanguageOCaml,
  LLVMDWARFSourceLanguageRust,
  LLVMDWARFSourceLanguageC11,
  LLVMDWARFSourceLanguageSwift,
  LLVMDWARFSourceLanguageJulia,
  LLVMDWARFSourceLanguageDylan,
  LLVMDWARFSourceLanguageC_plus_plus_14,
  LLVMDWARFSourceLanguageFortran03,
  LLVMDWARFSourceLanguageFortran08,
  LLVMDWARFSourceLanguageRenderScript,
  LLVMDWARFSourceLanguageBLISS,
  // Vendor extensions:
  LLVMDWARFSourceLanguageMips_Assembler,
  LLVMDWARFSourceLanguageGOOGLE_RenderScript,
  LLVMDWARFSourceLanguageBORLAND_Delphi
} LLVMDWARFSourceLanguage;

/**
 * The amount of debug information to emit.
 */
typedef enum {
    LLVMDWARFEmissionNone = 0,
    LLVMDWARFEmissionFull,
    LLVMDWARFEmissionLineTablesOnly
} LLVMDWARFEmissionKind;

/**
 * An LLVM DWARF type encoding.
 */
typedef unsigned LLVMDWARFTypeEncoding;

/**
 * The current debug metadata version number.
 */
unsigned LLVMDebugMetadataVersion(void);

/**
 * The version of debug metadata that's present in the provided \c Module.
 */
unsigned LLVMGetModuleDebugMetadataVersion(LLVMModuleRef Module);

/**
 * Strip debug info in the module if it exists.
 * To do this, we remove all calls to the debugger intrinsics and any named
 * metadata for debugging. We also remove debug locations for instructions.
 * Return true if module is modified.
 */
LLVMBool LLVMStripModuleDebugInfo(LLVMModuleRef Module);

/**
 * Construct a builder for a module, and do not allow for unresolved nodes
 * attached to the module.
 */
LLVMDIBuilderRef LLVMCreateDIBuilderDisallowUnresolved(LLVMModuleRef M);

/**
 * Construct a builder for a module and collect unresolved nodes attached
 * to the module in order to resolve cycles during a call to
 * \c LLVMDIBuilderFinalize.
 */
LLVMDIBuilderRef LLVMCreateDIBuilder(LLVMModuleRef M);

/**
 * Deallocates the \c DIBuilder and everything it owns.
 * @note You must call \c LLVMDIBuilderFinalize before this
 */
void LLVMDisposeDIBuilder(LLVMDIBuilderRef Builder);

/**
 * Construct any deferred debug info descriptors.
 */
void LLVMDIBuilderFinalize(LLVMDIBuilderRef Builder);

/**
 * A CompileUnit provides an anchor for all debugging
 * information generated during this instance of compilation.
 * \param Lang          Source programming language, eg.
 *                      \c LLVMDWARFSourceLanguageC99
 * \param FileRef       File info.
 * \param Producer      Identify the producer of debugging information
 *                      and code.  Usually this is a compiler
 *                      version string.
 * \param ProducerLen   The length of the C string passed to \c Producer.
 * \param isOptimized   A boolean flag which indicates whether optimization
 *                      is enabled or not.
 * \param Flags         This string lists command line options. This
 *                      string is directly embedded in debug info
 *                      output which may be used by a tool
 *                      analyzing generated debugging information.
 * \param FlagsLen      The length of the C string passed to \c Flags.
 * \param RuntimeVer    This indicates runtime version for languages like
 *                      Objective-C.
 * \param SplitName     The name of the file that we'll split debug info
 *                      out into.
 * \param SplitNameLen  The length of the C string passed to \c SplitName.
 * \param Kind          The kind of debug information to generate.
 * \param DWOId         The DWOId if this is a split skeleton compile unit.
 * \param SplitDebugInlining    Whether to emit inline debug info.
 * \param DebugInfoForProfiling Whether to emit extra debug info for
 *                              profile collection.
 */
LLVMMetadataRef LLVMDIBuilderCreateCompileUnit(
    LLVMDIBuilderRef Builder, LLVMDWARFSourceLanguage Lang,
    LLVMMetadataRef FileRef, const char *Producer, size_t ProducerLen,
    LLVMBool isOptimized, const char *Flags, size_t FlagsLen,
    unsigned RuntimeVer, const char *SplitName, size_t SplitNameLen,
    LLVMDWARFEmissionKind Kind, unsigned DWOId, LLVMBool SplitDebugInlining,
    LLVMBool DebugInfoForProfiling);

/**
 * Create a file descriptor to hold debugging information for a file.
 * \param Builder      The \c DIBuilder.
 * \param Filename     File name.
 * \param FilenameLen  The length of the C string passed to \c Filename.
 * \param Directory    Directory.
 * \param DirectoryLen The length of the C string passed to \c Directory.
 */
LLVMMetadataRef
LLVMDIBuilderCreateFile(LLVMDIBuilderRef Builder, const char *Filename,
                        size_t FilenameLen, const char *Directory,
                        size_t DirectoryLen);

/**
 * Create a new descriptor for the specified subprogram.
 * \param Builder         The \c DIBuilder.
 * \param Scope           Function scope.
 * \param Name            Function name.
 * \param NameLen         Length of enumeration name.
 * \param LinkageName     Mangled function name.
 * \param LinkageNameLen  Length of linkage name.
 * \param File            File where this variable is defined.
 * \param LineNo          Line number.
 * \param Ty              Function type.
 * \param IsLocalToUnit   True if this function is not externally visible.
 * \param IsDefinition    True if this is a function definition.
 * \param ScopeLine       Set to the beginning of the scope this starts
 * \param Flags           E.g.: \c LLVMDIFlagLValueReference. These flags are
 *                        used to emit dwarf attributes.
 * \param IsOptimized     True if optimization is ON.
 */
LLVMMetadataRef LLVMDIBuilderCreateFunction(
    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
    size_t NameLen, const char *LinkageName, size_t LinkageNameLen,
    LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty,
    LLVMBool IsLocalToUnit, LLVMBool IsDefinition,
    unsigned ScopeLine, LLVMDIFlags Flags, LLVMBool IsOptimized);

/**
 * Create a descriptor for a lexical block with the specified parent context.
 * \param Builder      The \c DIBuilder.
 * \param Scope        Parent lexical block.
 * \param File         Source file.
 * \param Line         The line in the source file.
 * \param Column       The column in the source file.
 */
LLVMMetadataRef LLVMDIBuilderCreateLexicalBlock(
    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope,
    LLVMMetadataRef File, unsigned Line, unsigned Column);

/**
 * Create a descriptor for a lexical block with a new file attached.
 * \param Builder        The \c DIBuilder.
 * \param Scope          Lexical block.
 * \param File           Source file.
 * \param Discriminator  DWARF path discriminator value.
 */
LLVMMetadataRef
LLVMDIBuilderCreateLexicalBlockFile(LLVMDIBuilderRef Builder,
                                    LLVMMetadataRef Scope,
                                    LLVMMetadataRef File,
                                    unsigned Discriminator);

/**
 * Creates a new DebugLocation that describes a source location.
 * \param Line The line in the source file.
 * \param Column The column in the source file.
 * \param Scope The scope in which the location resides.
 * \param InlinedAt The scope where this location was inlined, if at all.
 *                  (optional).
 * \note If the item to which this location is attached cannot be
 *       attributed to a source line, pass 0 for the line and column.
 */
LLVMMetadataRef
LLVMDIBuilderCreateDebugLocation(LLVMContextRef Ctx, unsigned Line,
                                 unsigned Column, LLVMMetadataRef Scope,
                                 LLVMMetadataRef InlinedAt);

/**
 * Create subroutine type.
 * \param Builder        The DIBuilder.
 * \param File            The file in which the subroutine resides.
 * \param ParameterTypes  An array of subroutine parameter types. This
 *                        includes return type at 0th index.
 * \param NumParameterTypes The number of parameter types in \c ParameterTypes
 * \param Flags           E.g.: \c LLVMDIFlagLValueReference.
 *                        These flags are used to emit dwarf attributes.
 */
LLVMMetadataRef
LLVMDIBuilderCreateSubroutineType(LLVMDIBuilderRef Builder,
                                  LLVMMetadataRef File,
                                  LLVMMetadataRef *ParameterTypes,
                                  unsigned NumParameterTypes,
                                  LLVMDIFlags Flags);

/**
 * Create debugging information entry for an enumeration.
 * \param Builder        The DIBuilder.
 * \param Scope          Scope in which this enumeration is defined.
 * \param Name           Enumeration name.
 * \param NameLen        Length of enumeration name.
 * \param File           File where this member is defined.
 * \param LineNumber     Line number.
 * \param SizeInBits     Member size.
 * \param AlignInBits    Member alignment.
 * \param Elements       Enumeration elements.
 * \param NumElements    Number of enumeration elements.
 * \param ClassTy        Underlying type of a C++11/ObjC fixed enum.
 */
LLVMMetadataRef LLVMDIBuilderCreateEnumerationType(
    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
    size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
    unsigned SizeInBits, unsigned AlignInBits, LLVMMetadataRef *Elements,
    unsigned NumElements, LLVMMetadataRef ClassTy);

/**
 * Create debugging information entry for a union.
 * \param Builder      The DIBuilder.
 * \param Scope        Scope in which this union is defined.
 * \param Name         Union name.
 * \param NameLen      Length of union name.
 * \param File         File where this member is defined.
 * \param LineNumber   Line number.
 * \param SizeInBits   Member size.
 * \param AlignInBits  Member alignment.
 * \param Flags        Flags to encode member attribute, e.g. private
 * \param Elements     Union elements.
 * \param NumElements  Number of union elements.
 * \param RunTimeLang  Optional parameter, Objective-C runtime version.
 * \param UniqueId     A unique identifier for the union.
 * \param UniqueIdLen  Length of unique identifier.
 */
LLVMMetadataRef LLVMDIBuilderCreateUnionType(
    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
    size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
    unsigned SizeInBits, unsigned AlignInBits, LLVMDIFlags Flags,
    LLVMMetadataRef *Elements, unsigned NumElements, unsigned RunTimeLang,
    const char *UniqueId, size_t UniqueIdLen);


/**
 * Create debugging information entry for an array.
 * \param Builder      The DIBuilder.
 * \param Size         Array size.
 * \param AlignInBits  Alignment.
 * \param Ty           Element type.
 * \param Subscripts   Subscripts.
 * \param NumSubscripts Number of subscripts.
 */
LLVMMetadataRef
LLVMDIBuilderCreateArrayType(LLVMDIBuilderRef Builder, unsigned Size,
                             unsigned AlignInBits, LLVMMetadataRef Ty,
                             LLVMMetadataRef *Subscripts,
                             unsigned NumSubscripts);

/**
 * Create debugging information entry for a vector type.
 * \param Builder      The DIBuilder.
 * \param Size         Vector size.
 * \param AlignInBits  Alignment.
 * \param Ty           Element type.
 * \param Subscripts   Subscripts.
 * \param NumSubscripts Number of subscripts.
 */
LLVMMetadataRef
LLVMDIBuilderCreateVectorType(LLVMDIBuilderRef Builder, unsigned Size,
                              unsigned AlignInBits, LLVMMetadataRef Ty,
                              LLVMMetadataRef *Subscripts,
                              unsigned NumSubscripts);

/**
 * Create a DWARF unspecified type.
 * \param Builder   The DIBuilder.
 * \param Name      The unspecified type's name.
 * \param NameLen   Length of type name.
 */
LLVMMetadataRef
LLVMDIBuilderCreateUnspecifiedType(LLVMDIBuilderRef Builder, const char *Name,
                                   size_t NameLen);

/**
 * Create debugging information entry for a basic
 * type.
 * \param Builder     The DIBuilder.
 * \param Name        Type name.
 * \param NameLen     Length of type name.
 * \param SizeInBits  Size of the type.
 * \param Encoding    DWARF encoding code, e.g. \c LLVMDWARFTypeEncoding_float.
 */
LLVMMetadataRef
LLVMDIBuilderCreateBasicType(LLVMDIBuilderRef Builder, const char *Name,
                             size_t NameLen, unsigned SizeInBits,
                             LLVMDWARFTypeEncoding Encoding);

/**
 * Create debugging information entry for a pointer.
 * \param Builder     The DIBuilder.
 * \param PointeeTy         Type pointed by this pointer.
 * \param SizeInBits        Size.
 * \param AlignInBits       Alignment. (optional, pass 0 to ignore)
 * \param AddressSpace      DWARF address space. (optional, pass 0 to ignore)
 * \param Name              Pointer type name. (optional)
 * \param NameLen           Length of pointer type name. (optional)
 */
LLVMMetadataRef LLVMDIBuilderCreatePointerType(
    LLVMDIBuilderRef Builder, LLVMMetadataRef PointeeTy,
    unsigned SizeInBits, unsigned AlignInBits, unsigned AddressSpace,
    const char *Name, size_t NameLen);

/**
 * Create debugging information entry for a struct.
 * \param Builder     The DIBuilder.
 * \param Scope        Scope in which this struct is defined.
 * \param Name         Struct name.
 * \param NameLen      Struct name length.
 * \param File         File where this member is defined.
 * \param LineNumber   Line number.
 * \param SizeInBits   Member size.
 * \param AlignInBits  Member alignment.
 * \param Flags        Flags to encode member attribute, e.g. private
 * \param Elements     Struct elements.
 * \param NumElements  Number of struct elements.
 * \param RunTimeLang  Optional parameter, Objective-C runtime version.
 * \param VTableHolder The object containing the vtable for the struct.
 * \param UniqueId     A unique identifier for the struct.
 * \param UniqueIdLen  Length of the unique identifier for the struct.
 */
LLVMMetadataRef LLVMDIBuilderCreateStructType(
    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
    size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
    unsigned SizeInBits, unsigned AlignInBits, LLVMDIFlags Flags,
    LLVMMetadataRef DerivedFrom, LLVMMetadataRef *Elements,
    unsigned NumElements, unsigned RunTimeLang, LLVMMetadataRef VTableHolder,
    const char *UniqueId, size_t UniqueIdLen);

/**
 * Create debugging information entry for a member.
 * \param Builder      The DIBuilder.
 * \param Scope        Member scope.
 * \param Name         Member name.
 * \param NameLen      Length of member name.
 * \param File         File where this member is defined.
 * \param LineNo       Line number.
 * \param SizeInBits   Member size.
 * \param AlignInBits  Member alignment.
 * \param OffsetInBits Member offset.
 * \param Flags        Flags to encode member attribute, e.g. private
 * \param Ty           Parent type.
 */
LLVMMetadataRef LLVMDIBuilderCreateMemberType(
    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
    size_t NameLen, LLVMMetadataRef File, unsigned LineNo,
    unsigned SizeInBits, unsigned AlignInBits, unsigned OffsetInBits,
    LLVMDIFlags Flags, LLVMMetadataRef Ty);

/**
 * Create debugging information entry for a
 * C++ static data member.
 * \param Builder      The DIBuilder.
 * \param Scope        Member scope.
 * \param Name         Member name.
 * \param NameLen      Length of member name.
 * \param File         File where this member is declared.
 * \param LineNumber   Line number.
 * \param Type         Type of the static member.
 * \param Flags        Flags to encode member attribute, e.g. private.
 * \param ConstantVal  Const initializer of the member.
 * \param AlignInBits  Member alignment.
 */
LLVMMetadataRef
LLVMDIBuilderCreateStaticMemberType(
    LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
    size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
    LLVMMetadataRef Type, LLVMDIFlags Flags, LLVMValueRef ConstantVal,
    unsigned AlignInBits);

/**
 * Create debugging information entry for a pointer to member.
 * \param Builder      The DIBuilder.
 * \param PointeeType  Type pointed to by this pointer.
 * \param ClassType    Type for which this pointer points to members of.
 * \param SizeInBits   Size.
 * \param AlignInBits  Alignment.
 * \param Flags        Flags.
 */
LLVMMetadataRef
LLVMDIBuilderCreateMemberPointerType(LLVMDIBuilderRef Builder,
                                     LLVMMetadataRef PointeeType,
                                     LLVMMetadataRef ClassType,
                                     unsigned SizeInBits,
                                     unsigned AlignInBits,
                                     LLVMDIFlags Flags);

/**
 * Create a new DIType* with the "object pointer"
 * flag set.
 * \param Builder   The DIBuilder.
 * \param Type      The underlying type to which this pointer points.
 */
LLVMMetadataRef
LLVMDIBuilderCreateObjectPointerType(LLVMDIBuilderRef Builder,
                                     LLVMMetadataRef Type);

/**
 * Create debugging information entry for a qualified
 * type, e.g. 'const int'.
 * \param Builder     The DIBuilder.
 * \param Tag         Tag identifying type,
 *                    e.g. LLVMDWARFTypeQualifier_volatile_type
 * \param Type        Base Type.
 */
LLVMMetadataRef
LLVMDIBuilderCreateQualifiedType(LLVMDIBuilderRef Builder, unsigned Tag,
                                 LLVMMetadataRef Type);

/**
 * Create debugging information entry for a c++
 * style reference or rvalue reference type.
 * \param Builder   The DIBuilder.
 * \param Tag       Tag identifying type,
 * \param Type      Base Type.
 */
LLVMMetadataRef
LLVMDIBuilderCreateReferenceType(LLVMDIBuilderRef Builder, unsigned Tag,
                                 LLVMMetadataRef Type);

/**
 * Create C++11 nullptr type.
 * \param Builder   The DIBuilder.
 */
LLVMMetadataRef
LLVMDIBuilderCreateNullPtrType(LLVMDIBuilderRef Builder);

/**
 * Create a temporary forward-declared type.
 * \param Builder   The DIBuilder.
 * \param Tag       A unique tag for this type.
 * \param Name      Type name.
 * \param NameLen   Length of type name.
 * \param Scope     Type scope.
 * \param File      File where this type is defined.
 * \param Line      Line number where this type is defined.
 */
LLVMMetadataRef
LLVMDIBuilderCreateReplaceableCompositeType(
    LLVMDIBuilderRef Builder, unsigned Tag, const char *Name,
    size_t NameLen, LLVMMetadataRef Scope, LLVMMetadataRef File, unsigned Line,
    unsigned RuntimeLang, unsigned SizeInBits, unsigned AlignInBits,
    LLVMDIFlags Flags, const char *UniqueIdentifier,
    size_t UniqueIdentifierLen);

/**
 * Create debugging information entry for a bit field member.
 * \param Builder             The DIBuilder.
 * \param Scope               Member scope.
 * \param Name                Member name.
 * \param NameLen             Length of member name.
 * \param File                File where this member is defined.
 * \param LineNumber          Line number.
 * \param SizeInBits          Member size.
 * \param OffsetInBits        Member offset.
 * \param StorageOffsetInBits Member storage offset.
 * \param Flags               Flags to encode member attribute.
 * \param Type                Parent type.
 */
LLVMMetadataRef
LLVMDIBuilderCreateBitFieldMemberType(LLVMDIBuilderRef Builder,
                                      LLVMMetadataRef Scope,
                                      const char *Name, size_t NameLen,
                                      LLVMMetadataRef File, unsigned LineNumber,
                                      unsigned SizeInBits,
                                      unsigned OffsetInBits,
                                      unsigned StorageOffsetInBits,
                                      LLVMDIFlags Flags, LLVMMetadataRef Type);

/**
 * Create debugging information entry for a class.
 * \param Scope        Scope in which this class is defined.
 * \param Name         class name.
 * \param File         File where this member is defined.
 * \param LineNumber   Line number.
 * \param SizeInBits   Member size.
 * \param AlignInBits  Member alignment.
 * \param OffsetInBits Member offset.
 * \param Flags        Flags to encode member attribute, e.g. private
 * \param Elements     class members.
 * \param NumElements  Number of class elements.
 * \param DerivedFrom  Debug info of the base class of this type.
 * \param TemplateParamsNode Template type parameters.
 */
LLVMMetadataRef LLVMDIBuilderCreateClassType(LLVMDIBuilderRef Builder,
    LLVMMetadataRef Scope, const char *Name, size_t NameLen,
    LLVMMetadataRef File, unsigned LineNumber, unsigned SizeInBits,
    unsigned AlignInBits, unsigned OffsetInBits, LLVMDIFlags Flags,
    LLVMMetadataRef *Elements, unsigned NumElements,
    LLVMMetadataRef DerivedFrom, LLVMMetadataRef TemplateParamsNode);

/**
 * Create a new DIType* with "artificial" flag set.
 * \param Builder     The DIBuilder.
 * \param Type        The underlying type.
 */
LLVMMetadataRef
LLVMDIBuilderCreateArtificialType(LLVMDIBuilderRef Builder,
                                  LLVMMetadataRef Type);

/**
 * Get the metadata of the subprogram attached to a function.
 *
 * @see llvm::Function::getSubprogram()
 */
LLVMMetadataRef LLVMGetSubprogram(LLVMValueRef Func);

/**
 * Set the subprogram attached to a function.
 *
 * @see llvm::Function::setSubprogram()
 */
void LLVMSetSubprogram(LLVMValueRef Func, LLVMMetadataRef SP);

#ifdef __cplusplus
} /* end extern "C" */
#endif

#endif