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llvm-mirror/include/llvm-c/DebugInfo.h
Simon Pilgrim 09ee14f318 Wdocumentation fix. NFCI. 
llvm-svn: 328964
2018-04-02 10:34:39 +00:00

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