include/llvm-c/DebugInfo.h

   1 //===------------ DebugInfo.h - LLVM C API Debug Info API -----------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 ///
   9 /// This file declares the C API endpoints for generating DWARF Debug Info
  10 ///
  11 /// Note: This interface is experimental. It is *NOT* stable, and may be
  12 ///       changed without warning.
  13 ///
  14 //===----------------------------------------------------------------------===//
  15
  16 #ifndef LLVM_C_DEBUGINFO_H
  17 #define LLVM_C_DEBUGINFO_H
  18
  19 #include "llvm-c/Core.h"
  20
  21 #ifdef __cplusplus
  22 extern "C" {
  23 #endif
  24
  25 /**
  26  * Debug info flags.
  27  */
  28 typedef enum {
  29   LLVMDIFlagZero = 0,
  30   LLVMDIFlagPrivate = 1,
  31   LLVMDIFlagProtected = 2,
  32   LLVMDIFlagPublic = 3,
  33   LLVMDIFlagFwdDecl = 1 << 2,
  34   LLVMDIFlagAppleBlock = 1 << 3,
  35   LLVMDIFlagReservedBit4 = 1 << 4,
  36   LLVMDIFlagVirtual = 1 << 5,
  37   LLVMDIFlagArtificial = 1 << 6,
  38   LLVMDIFlagExplicit = 1 << 7,
  39   LLVMDIFlagPrototyped = 1 << 8,
  40   LLVMDIFlagObjcClassComplete = 1 << 9,
  41   LLVMDIFlagObjectPointer = 1 << 10,
  42   LLVMDIFlagVector = 1 << 11,
  43   LLVMDIFlagStaticMember = 1 << 12,
  44   LLVMDIFlagLValueReference = 1 << 13,
  45   LLVMDIFlagRValueReference = 1 << 14,
  46   LLVMDIFlagReserved = 1 << 15,
  47   LLVMDIFlagSingleInheritance = 1 << 16,
  48   LLVMDIFlagMultipleInheritance = 2 << 16,
  49   LLVMDIFlagVirtualInheritance = 3 << 16,
  50   LLVMDIFlagIntroducedVirtual = 1 << 18,
  51   LLVMDIFlagBitField = 1 << 19,
  52   LLVMDIFlagNoReturn = 1 << 20,
  53   LLVMDIFlagTypePassByValue = 1 << 22,
  54   LLVMDIFlagTypePassByReference = 1 << 23,
  55   LLVMDIFlagEnumClass = 1 << 24,
  56   LLVMDIFlagFixedEnum = LLVMDIFlagEnumClass, // Deprecated.
  57   LLVMDIFlagThunk = 1 << 25,
  58   LLVMDIFlagNonTrivial = 1 << 26,
  59   LLVMDIFlagBigEndian = 1 << 27,
  60   LLVMDIFlagLittleEndian = 1 << 28,
  61   LLVMDIFlagIndirectVirtualBase = (1 << 2) | (1 << 5),
  62   LLVMDIFlagAccessibility = LLVMDIFlagPrivate | LLVMDIFlagProtected |
  63                             LLVMDIFlagPublic,
  64   LLVMDIFlagPtrToMemberRep = LLVMDIFlagSingleInheritance |
  65                              LLVMDIFlagMultipleInheritance |
  66                              LLVMDIFlagVirtualInheritance
  67 } LLVMDIFlags;
  68
  69 /**
  70  * Source languages known by DWARF.
  71  */
  72 typedef enum {
  73   LLVMDWARFSourceLanguageC89,
  74   LLVMDWARFSourceLanguageC,
  75   LLVMDWARFSourceLanguageAda83,
  76   LLVMDWARFSourceLanguageC_plus_plus,
  77   LLVMDWARFSourceLanguageCobol74,
  78   LLVMDWARFSourceLanguageCobol85,
  79   LLVMDWARFSourceLanguageFortran77,
  80   LLVMDWARFSourceLanguageFortran90,
  81   LLVMDWARFSourceLanguagePascal83,
  82   LLVMDWARFSourceLanguageModula2,
  83   // New in DWARF v3:
  84   LLVMDWARFSourceLanguageJava,
  85   LLVMDWARFSourceLanguageC99,
  86   LLVMDWARFSourceLanguageAda95,
  87   LLVMDWARFSourceLanguageFortran95,
  88   LLVMDWARFSourceLanguagePLI,
  89   LLVMDWARFSourceLanguageObjC,
  90   LLVMDWARFSourceLanguageObjC_plus_plus,
  91   LLVMDWARFSourceLanguageUPC,
  92   LLVMDWARFSourceLanguageD,
  93   // New in DWARF v4:
  94   LLVMDWARFSourceLanguagePython,
  95   // New in DWARF v5:
  96   LLVMDWARFSourceLanguageOpenCL,
  97   LLVMDWARFSourceLanguageGo,
  98   LLVMDWARFSourceLanguageModula3,
  99   LLVMDWARFSourceLanguageHaskell,
 100   LLVMDWARFSourceLanguageC_plus_plus_03,
 101   LLVMDWARFSourceLanguageC_plus_plus_11,
 102   LLVMDWARFSourceLanguageOCaml,
 103   LLVMDWARFSourceLanguageRust,
 104   LLVMDWARFSourceLanguageC11,
 105   LLVMDWARFSourceLanguageSwift,
 106   LLVMDWARFSourceLanguageJulia,
 107   LLVMDWARFSourceLanguageDylan,
 108   LLVMDWARFSourceLanguageC_plus_plus_14,
 109   LLVMDWARFSourceLanguageFortran03,
 110   LLVMDWARFSourceLanguageFortran08,
 111   LLVMDWARFSourceLanguageRenderScript,
 112   LLVMDWARFSourceLanguageBLISS,
 113   // Vendor extensions:
 114   LLVMDWARFSourceLanguageMips_Assembler,
 115   LLVMDWARFSourceLanguageGOOGLE_RenderScript,
 116   LLVMDWARFSourceLanguageBORLAND_Delphi
 117 } LLVMDWARFSourceLanguage;
 118
 119 /**
 120  * The amount of debug information to emit.
 121  */
 122 typedef enum {
 123     LLVMDWARFEmissionNone = 0,
 124     LLVMDWARFEmissionFull,
 125     LLVMDWARFEmissionLineTablesOnly
 126 } LLVMDWARFEmissionKind;
 127
 128 /**
 129  * The kind of metadata nodes.
 130  */
 131 enum {
 132   LLVMMDStringMetadataKind,
 133   LLVMConstantAsMetadataMetadataKind,
 134   LLVMLocalAsMetadataMetadataKind,
 135   LLVMDistinctMDOperandPlaceholderMetadataKind,
 136   LLVMMDTupleMetadataKind,
 137   LLVMDILocationMetadataKind,
 138   LLVMDIExpressionMetadataKind,
 139   LLVMDIGlobalVariableExpressionMetadataKind,
 140   LLVMGenericDINodeMetadataKind,
 141   LLVMDISubrangeMetadataKind,
 142   LLVMDIEnumeratorMetadataKind,
 143   LLVMDIBasicTypeMetadataKind,
 144   LLVMDIDerivedTypeMetadataKind,
 145   LLVMDICompositeTypeMetadataKind,
 146   LLVMDISubroutineTypeMetadataKind,
 147   LLVMDIFileMetadataKind,
 148   LLVMDICompileUnitMetadataKind,
 149   LLVMDISubprogramMetadataKind,
 150   LLVMDILexicalBlockMetadataKind,
 151   LLVMDILexicalBlockFileMetadataKind,
 152   LLVMDINamespaceMetadataKind,
 153   LLVMDIModuleMetadataKind,
 154   LLVMDITemplateTypeParameterMetadataKind,
 155   LLVMDITemplateValueParameterMetadataKind,
 156   LLVMDIGlobalVariableMetadataKind,
 157   LLVMDILocalVariableMetadataKind,
 158   LLVMDILabelMetadataKind,
 159   LLVMDIObjCPropertyMetadataKind,
 160   LLVMDIImportedEntityMetadataKind,
 161   LLVMDIMacroMetadataKind,
 162   LLVMDIMacroFileMetadataKind,
 163   LLVMDICommonBlockMetadataKind
 164 };
 165 typedef unsigned LLVMMetadataKind;
 166
 167 /**
 168  * An LLVM DWARF type encoding.
 169  */
 170 typedef unsigned LLVMDWARFTypeEncoding;
 171
 172 /**
 173  * The current debug metadata version number.
 174  */
 175 unsigned LLVMDebugMetadataVersion(void);
 176
 177 /**
 178  * The version of debug metadata that's present in the provided \c Module.
 179  */
 180 unsigned LLVMGetModuleDebugMetadataVersion(LLVMModuleRef Module);
 181
 182 /**
 183  * Strip debug info in the module if it exists.
 184  * To do this, we remove all calls to the debugger intrinsics and any named
 185  * metadata for debugging. We also remove debug locations for instructions.
 186  * Return true if module is modified.
 187  */
 188 LLVMBool LLVMStripModuleDebugInfo(LLVMModuleRef Module);
 189
 190 /**
 191  * Construct a builder for a module, and do not allow for unresolved nodes
 192  * attached to the module.
 193  */
 194 LLVMDIBuilderRef LLVMCreateDIBuilderDisallowUnresolved(LLVMModuleRef M);
 195
 196 /**
 197  * Construct a builder for a module and collect unresolved nodes attached
 198  * to the module in order to resolve cycles during a call to
 199  * \c LLVMDIBuilderFinalize.
 200  */
 201 LLVMDIBuilderRef LLVMCreateDIBuilder(LLVMModuleRef M);
 202
 203 /**
 204  * Deallocates the \c DIBuilder and everything it owns.
 205  * @note You must call \c LLVMDIBuilderFinalize before this
 206  */
 207 void LLVMDisposeDIBuilder(LLVMDIBuilderRef Builder);
 208
 209 /**
 210  * Construct any deferred debug info descriptors.
 211  */
 212 void LLVMDIBuilderFinalize(LLVMDIBuilderRef Builder);
 213
 214 /**
 215  * A CompileUnit provides an anchor for all debugging
 216  * information generated during this instance of compilation.
 217  * \param Lang          Source programming language, eg.
 218  *                      \c LLVMDWARFSourceLanguageC99
 219  * \param FileRef       File info.
 220  * \param Producer      Identify the producer of debugging information
 221  *                      and code.  Usually this is a compiler
 222  *                      version string.
 223  * \param ProducerLen   The length of the C string passed to \c Producer.
 224  * \param isOptimized   A boolean flag which indicates whether optimization
 225  *                      is enabled or not.
 226  * \param Flags         This string lists command line options. This
 227  *                      string is directly embedded in debug info
 228  *                      output which may be used by a tool
 229  *                      analyzing generated debugging information.
 230  * \param FlagsLen      The length of the C string passed to \c Flags.
 231  * \param RuntimeVer    This indicates runtime version for languages like
 232  *                      Objective-C.
 233  * \param SplitName     The name of the file that we'll split debug info
 234  *                      out into.
 235  * \param SplitNameLen  The length of the C string passed to \c SplitName.
 236  * \param Kind          The kind of debug information to generate.
 237  * \param DWOId         The DWOId if this is a split skeleton compile unit.
 238  * \param SplitDebugInlining    Whether to emit inline debug info.
 239  * \param DebugInfoForProfiling Whether to emit extra debug info for
 240  *                              profile collection.
 241  */
 242 LLVMMetadataRef LLVMDIBuilderCreateCompileUnit(
 243     LLVMDIBuilderRef Builder, LLVMDWARFSourceLanguage Lang,
 244     LLVMMetadataRef FileRef, const char *Producer, size_t ProducerLen,
 245     LLVMBool isOptimized, const char *Flags, size_t FlagsLen,
 246     unsigned RuntimeVer, const char *SplitName, size_t SplitNameLen,
 247     LLVMDWARFEmissionKind Kind, unsigned DWOId, LLVMBool SplitDebugInlining,
 248     LLVMBool DebugInfoForProfiling);
 249
 250 /**
 251  * Create a file descriptor to hold debugging information for a file.
 252  * \param Builder      The \c DIBuilder.
 253  * \param Filename     File name.
 254  * \param FilenameLen  The length of the C string passed to \c Filename.
 255  * \param Directory    Directory.
 256  * \param DirectoryLen The length of the C string passed to \c Directory.
 257  */
 258 LLVMMetadataRef
 259 LLVMDIBuilderCreateFile(LLVMDIBuilderRef Builder, const char *Filename,
 260                         size_t FilenameLen, const char *Directory,
 261                         size_t DirectoryLen);
 262
 263 /**
 264  * Creates a new descriptor for a module with the specified parent scope.
 265  * \param Builder         The \c DIBuilder.
 266  * \param ParentScope     The parent scope containing this module declaration.
 267  * \param Name            Module name.
 268  * \param NameLen         The length of the C string passed to \c Name.
 269  * \param ConfigMacros    A space-separated shell-quoted list of -D macro
 270                           definitions as they would appear on a command line.
 271  * \param ConfigMacrosLen The length of the C string passed to \c ConfigMacros.
 272  * \param IncludePath     The path to the module map file.
 273  * \param IncludePathLen  The length of the C string passed to \c IncludePath.
 274  * \param ISysRoot        The Clang system root (value of -isysroot).
 275  * \param ISysRootLen     The length of the C string passed to \c ISysRoot.
 276  */
 277 LLVMMetadataRef
 278 LLVMDIBuilderCreateModule(LLVMDIBuilderRef Builder, LLVMMetadataRef ParentScope,
 279                           const char *Name, size_t NameLen,
 280                           const char *ConfigMacros, size_t ConfigMacrosLen,
 281                           const char *IncludePath, size_t IncludePathLen,
 282                           const char *ISysRoot, size_t ISysRootLen);
 283
 284 /**
 285  * Creates a new descriptor for a namespace with the specified parent scope.
 286  * \param Builder          The \c DIBuilder.
 287  * \param ParentScope      The parent scope containing this module declaration.
 288  * \param Name             NameSpace name.
 289  * \param NameLen          The length of the C string passed to \c Name.
 290  * \param ExportSymbols    Whether or not the namespace exports symbols, e.g.
 291  *                         this is true of C++ inline namespaces.
 292  */
 293 LLVMMetadataRef
 294 LLVMDIBuilderCreateNameSpace(LLVMDIBuilderRef Builder,
 295                              LLVMMetadataRef ParentScope,
 296                              const char *Name, size_t NameLen,
 297                              LLVMBool ExportSymbols);
 298
 299 /**
 300  * Create a new descriptor for the specified subprogram.
 301  * \param Builder         The \c DIBuilder.
 302  * \param Scope           Function scope.
 303  * \param Name            Function name.
 304  * \param NameLen         Length of enumeration name.
 305  * \param LinkageName     Mangled function name.
 306  * \param LinkageNameLen  Length of linkage name.
 307  * \param File            File where this variable is defined.
 308  * \param LineNo          Line number.
 309  * \param Ty              Function type.
 310  * \param IsLocalToUnit   True if this function is not externally visible.
 311  * \param IsDefinition    True if this is a function definition.
 312  * \param ScopeLine       Set to the beginning of the scope this starts
 313  * \param Flags           E.g.: \c LLVMDIFlagLValueReference. These flags are
 314  *                        used to emit dwarf attributes.
 315  * \param IsOptimized     True if optimization is ON.
 316  */
 317 LLVMMetadataRef LLVMDIBuilderCreateFunction(
 318     LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
 319     size_t NameLen, const char *LinkageName, size_t LinkageNameLen,
 320     LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty,
 321     LLVMBool IsLocalToUnit, LLVMBool IsDefinition,
 322     unsigned ScopeLine, LLVMDIFlags Flags, LLVMBool IsOptimized);
 323
 324 /**
 325  * Create a descriptor for a lexical block with the specified parent context.
 326  * \param Builder      The \c DIBuilder.
 327  * \param Scope        Parent lexical block.
 328  * \param File         Source file.
 329  * \param Line         The line in the source file.
 330  * \param Column       The column in the source file.
 331  */
 332 LLVMMetadataRef LLVMDIBuilderCreateLexicalBlock(
 333     LLVMDIBuilderRef Builder, LLVMMetadataRef Scope,
 334     LLVMMetadataRef File, unsigned Line, unsigned Column);
 335
 336 /**
 337  * Create a descriptor for a lexical block with a new file attached.
 338  * \param Builder        The \c DIBuilder.
 339  * \param Scope          Lexical block.
 340  * \param File           Source file.
 341  * \param Discriminator  DWARF path discriminator value.
 342  */
 343 LLVMMetadataRef
 344 LLVMDIBuilderCreateLexicalBlockFile(LLVMDIBuilderRef Builder,
 345                                     LLVMMetadataRef Scope,
 346                                     LLVMMetadataRef File,
 347                                     unsigned Discriminator);
 348
 349 /**
 350  * Create a descriptor for an imported namespace. Suitable for e.g. C++
 351  * using declarations.
 352  * \param Builder    The \c DIBuilder.
 353  * \param Scope      The scope this module is imported into
 354  * \param File       File where the declaration is located.
 355  * \param Line       Line number of the declaration.
 356  */
 357 LLVMMetadataRef
 358 LLVMDIBuilderCreateImportedModuleFromNamespace(LLVMDIBuilderRef Builder,
 359                                                LLVMMetadataRef Scope,
 360                                                LLVMMetadataRef NS,
 361                                                LLVMMetadataRef File,
 362                                                unsigned Line);
 363
 364 /**
 365  * Create a descriptor for an imported module that aliases another
 366  * imported entity descriptor.
 367  * \param Builder        The \c DIBuilder.
 368  * \param Scope          The scope this module is imported into
 369  * \param ImportedEntity Previous imported entity to alias.
 370  * \param File           File where the declaration is located.
 371  * \param Line           Line number of the declaration.
 372  */
 373 LLVMMetadataRef
 374 LLVMDIBuilderCreateImportedModuleFromAlias(LLVMDIBuilderRef Builder,
 375                                            LLVMMetadataRef Scope,
 376                                            LLVMMetadataRef ImportedEntity,
 377                                            LLVMMetadataRef File,
 378                                            unsigned Line);
 379
 380 /**
 381  * Create a descriptor for an imported module.
 382  * \param Builder    The \c DIBuilder.
 383  * \param Scope      The scope this module is imported into
 384  * \param M          The module being imported here
 385  * \param File       File where the declaration is located.
 386  * \param Line       Line number of the declaration.
 387  */
 388 LLVMMetadataRef
 389 LLVMDIBuilderCreateImportedModuleFromModule(LLVMDIBuilderRef Builder,
 390                                             LLVMMetadataRef Scope,
 391                                             LLVMMetadataRef M,
 392                                             LLVMMetadataRef File,
 393                                             unsigned Line);
 394
 395 /**
 396  * Create a descriptor for an imported function, type, or variable.  Suitable
 397  * for e.g. FORTRAN-style USE declarations.
 398  * \param Builder    The DIBuilder.
 399  * \param Scope      The scope this module is imported into.
 400  * \param Decl       The declaration (or definition) of a function, type,
 401                      or variable.
 402  * \param File       File where the declaration is located.
 403  * \param Line       Line number of the declaration.
 404  * \param Name       A name that uniquely identifies this imported declaration.
 405  * \param NameLen    The length of the C string passed to \c Name.
 406  */
 407 LLVMMetadataRef
 408 LLVMDIBuilderCreateImportedDeclaration(LLVMDIBuilderRef Builder,
 409                                        LLVMMetadataRef Scope,
 410                                        LLVMMetadataRef Decl,
 411                                        LLVMMetadataRef File,
 412                                        unsigned Line,
 413                                        const char *Name, size_t NameLen);
 414
 415 /**
 416  * Creates a new DebugLocation that describes a source location.
 417  * \param Line The line in the source file.
 418  * \param Column The column in the source file.
 419  * \param Scope The scope in which the location resides.
 420  * \param InlinedAt The scope where this location was inlined, if at all.
 421  *                  (optional).
 422  * \note If the item to which this location is attached cannot be
 423  *       attributed to a source line, pass 0 for the line and column.
 424  */
 425 LLVMMetadataRef
 426 LLVMDIBuilderCreateDebugLocation(LLVMContextRef Ctx, unsigned Line,
 427                                  unsigned Column, LLVMMetadataRef Scope,
 428                                  LLVMMetadataRef InlinedAt);
 429
 430 /**
 431  * Get the line number of this debug location.
 432  * \param Location     The debug location.
 433  *
 434  * @see DILocation::getLine()
 435  */
 436 unsigned LLVMDILocationGetLine(LLVMMetadataRef Location);
 437
 438 /**
 439  * Get the column number of this debug location.
 440  * \param Location     The debug location.
 441  *
 442  * @see DILocation::getColumn()
 443  */
 444 unsigned LLVMDILocationGetColumn(LLVMMetadataRef Location);
 445
 446 /**
 447  * Get the local scope associated with this debug location.
 448  * \param Location     The debug location.
 449  *
 450  * @see DILocation::getScope()
 451  */
 452 LLVMMetadataRef LLVMDILocationGetScope(LLVMMetadataRef Location);
 453
 454 /**
 455  * Get the "inline at" location associated with this debug location.
 456  * \param Location     The debug location.
 457  *
 458  * @see DILocation::getInlinedAt()
 459  */
 460 LLVMMetadataRef LLVMDILocationGetInlinedAt(LLVMMetadataRef Location);
 461
 462 /**
 463  * Get the metadata of the file associated with a given scope.
 464  * \param Scope     The scope object.
 465  *
 466  * @see DIScope::getFile()
 467  */
 468 LLVMMetadataRef LLVMDIScopeGetFile(LLVMMetadataRef Scope);
 469
 470 /**
 471  * Get the directory of a given file.
 472  * \param File     The file object.
 473  * \param Len      The length of the returned string.
 474  *
 475  * @see DIFile::getDirectory()
 476  */
 477 const char *LLVMDIFileGetDirectory(LLVMMetadataRef File, unsigned *Len);
 478
 479 /**
 480  * Get the name of a given file.
 481  * \param File     The file object.
 482  * \param Len      The length of the returned string.
 483  *
 484  * @see DIFile::getFilename()
 485  */
 486 const char *LLVMDIFileGetFilename(LLVMMetadataRef File, unsigned *Len);
 487
 488 /**
 489  * Get the source of a given file.
 490  * \param File     The file object.
 491  * \param Len      The length of the returned string.
 492  *
 493  * @see DIFile::getSource()
 494  */
 495 const char *LLVMDIFileGetSource(LLVMMetadataRef File, unsigned *Len);
 496
 497 /**
 498  * Create a type array.
 499  * \param Builder        The DIBuilder.
 500  * \param Data           The type elements.
 501  * \param NumElements    Number of type elements.
 502  */
 503 LLVMMetadataRef LLVMDIBuilderGetOrCreateTypeArray(LLVMDIBuilderRef Builder,
 504                                                   LLVMMetadataRef *Data,
 505                                                   size_t NumElements);
 506
 507 /**
 508  * Create subroutine type.
 509  * \param Builder        The DIBuilder.
 510  * \param File            The file in which the subroutine resides.
 511  * \param ParameterTypes  An array of subroutine parameter types. This
 512  *                        includes return type at 0th index.
 513  * \param NumParameterTypes The number of parameter types in \c ParameterTypes
 514  * \param Flags           E.g.: \c LLVMDIFlagLValueReference.
 515  *                        These flags are used to emit dwarf attributes.
 516  */
 517 LLVMMetadataRef
 518 LLVMDIBuilderCreateSubroutineType(LLVMDIBuilderRef Builder,
 519                                   LLVMMetadataRef File,
 520                                   LLVMMetadataRef *ParameterTypes,
 521                                   unsigned NumParameterTypes,
 522                                   LLVMDIFlags Flags);
 523
 524 /**
 525  * Create debugging information entry for an enumerator.
 526  * @param Builder        The DIBuilder.
 527  * @param Name           Enumerator name.
 528  * @param NameLen        Length of enumerator name.
 529  * @param Value          Enumerator value.
 530  * @param IsUnsigned     True if the value is unsigned.
 531  */
 532 LLVMMetadataRef LLVMDIBuilderCreateEnumerator(LLVMDIBuilderRef Builder,
 533                                               const char *Name, size_t NameLen,
 534                                               int64_t Value,
 535                                               LLVMBool IsUnsigned);
 536
 537 /**
 538  * Create debugging information entry for an enumeration.
 539  * \param Builder        The DIBuilder.
 540  * \param Scope          Scope in which this enumeration is defined.
 541  * \param Name           Enumeration name.
 542  * \param NameLen        Length of enumeration name.
 543  * \param File           File where this member is defined.
 544  * \param LineNumber     Line number.
 545  * \param SizeInBits     Member size.
 546  * \param AlignInBits    Member alignment.
 547  * \param Elements       Enumeration elements.
 548  * \param NumElements    Number of enumeration elements.
 549  * \param ClassTy        Underlying type of a C++11/ObjC fixed enum.
 550  */
 551 LLVMMetadataRef LLVMDIBuilderCreateEnumerationType(
 552     LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
 553     size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
 554     uint64_t SizeInBits, uint32_t AlignInBits, LLVMMetadataRef *Elements,
 555     unsigned NumElements, LLVMMetadataRef ClassTy);
 556
 557 /**
 558  * Create debugging information entry for a union.
 559  * \param Builder      The DIBuilder.
 560  * \param Scope        Scope in which this union is defined.
 561  * \param Name         Union name.
 562  * \param NameLen      Length of union name.
 563  * \param File         File where this member is defined.
 564  * \param LineNumber   Line number.
 565  * \param SizeInBits   Member size.
 566  * \param AlignInBits  Member alignment.
 567  * \param Flags        Flags to encode member attribute, e.g. private
 568  * \param Elements     Union elements.
 569  * \param NumElements  Number of union elements.
 570  * \param RunTimeLang  Optional parameter, Objective-C runtime version.
 571  * \param UniqueId     A unique identifier for the union.
 572  * \param UniqueIdLen  Length of unique identifier.
 573  */
 574 LLVMMetadataRef LLVMDIBuilderCreateUnionType(
 575     LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
 576     size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
 577     uint64_t SizeInBits, uint32_t AlignInBits, LLVMDIFlags Flags,
 578     LLVMMetadataRef *Elements, unsigned NumElements, unsigned RunTimeLang,
 579     const char *UniqueId, size_t UniqueIdLen);
 580
 581
 582 /**
 583  * Create debugging information entry for an array.
 584  * \param Builder      The DIBuilder.
 585  * \param Size         Array size.
 586  * \param AlignInBits  Alignment.
 587  * \param Ty           Element type.
 588  * \param Subscripts   Subscripts.
 589  * \param NumSubscripts Number of subscripts.
 590  */
 591 LLVMMetadataRef
 592 LLVMDIBuilderCreateArrayType(LLVMDIBuilderRef Builder, uint64_t Size,
 593                              uint32_t AlignInBits, LLVMMetadataRef Ty,
 594                              LLVMMetadataRef *Subscripts,
 595                              unsigned NumSubscripts);
 596
 597 /**
 598  * Create debugging information entry for a vector type.
 599  * \param Builder      The DIBuilder.
 600  * \param Size         Vector size.
 601  * \param AlignInBits  Alignment.
 602  * \param Ty           Element type.
 603  * \param Subscripts   Subscripts.
 604  * \param NumSubscripts Number of subscripts.
 605  */
 606 LLVMMetadataRef
 607 LLVMDIBuilderCreateVectorType(LLVMDIBuilderRef Builder, uint64_t Size,
 608                               uint32_t AlignInBits, LLVMMetadataRef Ty,
 609                               LLVMMetadataRef *Subscripts,
 610                               unsigned NumSubscripts);
 611
 612 /**
 613  * Create a DWARF unspecified type.
 614  * \param Builder   The DIBuilder.
 615  * \param Name      The unspecified type's name.
 616  * \param NameLen   Length of type name.
 617  */
 618 LLVMMetadataRef
 619 LLVMDIBuilderCreateUnspecifiedType(LLVMDIBuilderRef Builder, const char *Name,
 620                                    size_t NameLen);
 621
 622 /**
 623  * Create debugging information entry for a basic
 624  * type.
 625  * \param Builder     The DIBuilder.
 626  * \param Name        Type name.
 627  * \param NameLen     Length of type name.
 628  * \param SizeInBits  Size of the type.
 629  * \param Encoding    DWARF encoding code, e.g. \c LLVMDWARFTypeEncoding_float.
 630  * \param Flags       Flags to encode optional attribute like endianity
 631  */
 632 LLVMMetadataRef
 633 LLVMDIBuilderCreateBasicType(LLVMDIBuilderRef Builder, const char *Name,
 634                              size_t NameLen, uint64_t SizeInBits,
 635                              LLVMDWARFTypeEncoding Encoding,
 636                              LLVMDIFlags Flags);
 637
 638 /**
 639  * Create debugging information entry for a pointer.
 640  * \param Builder     The DIBuilder.
 641  * \param PointeeTy         Type pointed by this pointer.
 642  * \param SizeInBits        Size.
 643  * \param AlignInBits       Alignment. (optional, pass 0 to ignore)
 644  * \param AddressSpace      DWARF address space. (optional, pass 0 to ignore)
 645  * \param Name              Pointer type name. (optional)
 646  * \param NameLen           Length of pointer type name. (optional)
 647  */
 648 LLVMMetadataRef LLVMDIBuilderCreatePointerType(
 649     LLVMDIBuilderRef Builder, LLVMMetadataRef PointeeTy,
 650     uint64_t SizeInBits, uint32_t AlignInBits, unsigned AddressSpace,
 651     const char *Name, size_t NameLen);
 652
 653 /**
 654  * Create debugging information entry for a struct.
 655  * \param Builder     The DIBuilder.
 656  * \param Scope        Scope in which this struct is defined.
 657  * \param Name         Struct name.
 658  * \param NameLen      Struct name length.
 659  * \param File         File where this member is defined.
 660  * \param LineNumber   Line number.
 661  * \param SizeInBits   Member size.
 662  * \param AlignInBits  Member alignment.
 663  * \param Flags        Flags to encode member attribute, e.g. private
 664  * \param Elements     Struct elements.
 665  * \param NumElements  Number of struct elements.
 666  * \param RunTimeLang  Optional parameter, Objective-C runtime version.
 667  * \param VTableHolder The object containing the vtable for the struct.
 668  * \param UniqueId     A unique identifier for the struct.
 669  * \param UniqueIdLen  Length of the unique identifier for the struct.
 670  */
 671 LLVMMetadataRef LLVMDIBuilderCreateStructType(
 672     LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
 673     size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
 674     uint64_t SizeInBits, uint32_t AlignInBits, LLVMDIFlags Flags,
 675     LLVMMetadataRef DerivedFrom, LLVMMetadataRef *Elements,
 676     unsigned NumElements, unsigned RunTimeLang, LLVMMetadataRef VTableHolder,
 677     const char *UniqueId, size_t UniqueIdLen);
 678
 679 /**
 680  * Create debugging information entry for a member.
 681  * \param Builder      The DIBuilder.
 682  * \param Scope        Member scope.
 683  * \param Name         Member name.
 684  * \param NameLen      Length of member name.
 685  * \param File         File where this member is defined.
 686  * \param LineNo       Line number.
 687  * \param SizeInBits   Member size.
 688  * \param AlignInBits  Member alignment.
 689  * \param OffsetInBits Member offset.
 690  * \param Flags        Flags to encode member attribute, e.g. private
 691  * \param Ty           Parent type.
 692  */
 693 LLVMMetadataRef LLVMDIBuilderCreateMemberType(
 694     LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
 695     size_t NameLen, LLVMMetadataRef File, unsigned LineNo,
 696     uint64_t SizeInBits, uint32_t AlignInBits, uint64_t OffsetInBits,
 697     LLVMDIFlags Flags, LLVMMetadataRef Ty);
 698
 699 /**
 700  * Create debugging information entry for a
 701  * C++ static data member.
 702  * \param Builder      The DIBuilder.
 703  * \param Scope        Member scope.
 704  * \param Name         Member name.
 705  * \param NameLen      Length of member name.
 706  * \param File         File where this member is declared.
 707  * \param LineNumber   Line number.
 708  * \param Type         Type of the static member.
 709  * \param Flags        Flags to encode member attribute, e.g. private.
 710  * \param ConstantVal  Const initializer of the member.
 711  * \param AlignInBits  Member alignment.
 712  */
 713 LLVMMetadataRef
 714 LLVMDIBuilderCreateStaticMemberType(
 715     LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
 716     size_t NameLen, LLVMMetadataRef File, unsigned LineNumber,
 717     LLVMMetadataRef Type, LLVMDIFlags Flags, LLVMValueRef ConstantVal,
 718     uint32_t AlignInBits);
 719
 720 /**
 721  * Create debugging information entry for a pointer to member.
 722  * \param Builder      The DIBuilder.
 723  * \param PointeeType  Type pointed to by this pointer.
 724  * \param ClassType    Type for which this pointer points to members of.
 725  * \param SizeInBits   Size.
 726  * \param AlignInBits  Alignment.
 727  * \param Flags        Flags.
 728  */
 729 LLVMMetadataRef
 730 LLVMDIBuilderCreateMemberPointerType(LLVMDIBuilderRef Builder,
 731                                      LLVMMetadataRef PointeeType,
 732                                      LLVMMetadataRef ClassType,
 733                                      uint64_t SizeInBits,
 734                                      uint32_t AlignInBits,
 735                                      LLVMDIFlags Flags);
 736 /**
 737  * Create debugging information entry for Objective-C instance variable.
 738  * \param Builder      The DIBuilder.
 739  * \param Name         Member name.
 740  * \param NameLen      The length of the C string passed to \c Name.
 741  * \param File         File where this member is defined.
 742  * \param LineNo       Line number.
 743  * \param SizeInBits   Member size.
 744  * \param AlignInBits  Member alignment.
 745  * \param OffsetInBits Member offset.
 746  * \param Flags        Flags to encode member attribute, e.g. private
 747  * \param Ty           Parent type.
 748  * \param PropertyNode Property associated with this ivar.
 749  */
 750 LLVMMetadataRef
 751 LLVMDIBuilderCreateObjCIVar(LLVMDIBuilderRef Builder,
 752                             const char *Name, size_t NameLen,
 753                             LLVMMetadataRef File, unsigned LineNo,
 754                             uint64_t SizeInBits, uint32_t AlignInBits,
 755                             uint64_t OffsetInBits, LLVMDIFlags Flags,
 756                             LLVMMetadataRef Ty, LLVMMetadataRef PropertyNode);
 757
 758 /**
 759  * Create debugging information entry for Objective-C property.
 760  * \param Builder            The DIBuilder.
 761  * \param Name               Property name.
 762  * \param NameLen            The length of the C string passed to \c Name.
 763  * \param File               File where this property is defined.
 764  * \param LineNo             Line number.
 765  * \param GetterName         Name of the Objective C property getter selector.
 766  * \param GetterNameLen      The length of the C string passed to \c GetterName.
 767  * \param SetterName         Name of the Objective C property setter selector.
 768  * \param SetterNameLen      The length of the C string passed to \c SetterName.
 769  * \param PropertyAttributes Objective C property attributes.
 770  * \param Ty                 Type.
 771  */
 772 LLVMMetadataRef
 773 LLVMDIBuilderCreateObjCProperty(LLVMDIBuilderRef Builder,
 774                                 const char *Name, size_t NameLen,
 775                                 LLVMMetadataRef File, unsigned LineNo,
 776                                 const char *GetterName, size_t GetterNameLen,
 777                                 const char *SetterName, size_t SetterNameLen,
 778                                 unsigned PropertyAttributes,
 779                                 LLVMMetadataRef Ty);
 780
 781 /**
 782  * Create a uniqued DIType* clone with FlagObjectPointer and FlagArtificial set.
 783  * \param Builder   The DIBuilder.
 784  * \param Type      The underlying type to which this pointer points.
 785  */
 786 LLVMMetadataRef
 787 LLVMDIBuilderCreateObjectPointerType(LLVMDIBuilderRef Builder,
 788                                      LLVMMetadataRef Type);
 789
 790 /**
 791  * Create debugging information entry for a qualified
 792  * type, e.g. 'const int'.
 793  * \param Builder     The DIBuilder.
 794  * \param Tag         Tag identifying type,
 795  *                    e.g. LLVMDWARFTypeQualifier_volatile_type
 796  * \param Type        Base Type.
 797  */
 798 LLVMMetadataRef
 799 LLVMDIBuilderCreateQualifiedType(LLVMDIBuilderRef Builder, unsigned Tag,
 800                                  LLVMMetadataRef Type);
 801
 802 /**
 803  * Create debugging information entry for a c++
 804  * style reference or rvalue reference type.
 805  * \param Builder   The DIBuilder.
 806  * \param Tag       Tag identifying type,
 807  * \param Type      Base Type.
 808  */
 809 LLVMMetadataRef
 810 LLVMDIBuilderCreateReferenceType(LLVMDIBuilderRef Builder, unsigned Tag,
 811                                  LLVMMetadataRef Type);
 812
 813 /**
 814  * Create C++11 nullptr type.
 815  * \param Builder   The DIBuilder.
 816  */
 817 LLVMMetadataRef
 818 LLVMDIBuilderCreateNullPtrType(LLVMDIBuilderRef Builder);
 819
 820 /**
 821  * Create debugging information entry for a typedef.
 822  * \param Builder    The DIBuilder.
 823  * \param Type       Original type.
 824  * \param Name       Typedef name.
 825  * \param File       File where this type is defined.
 826  * \param LineNo     Line number.
 827  * \param Scope      The surrounding context for the typedef.
 828  */
 829 LLVMMetadataRef
 830 LLVMDIBuilderCreateTypedef(LLVMDIBuilderRef Builder, LLVMMetadataRef Type,
 831                            const char *Name, size_t NameLen,
 832                            LLVMMetadataRef File, unsigned LineNo,
 833                            LLVMMetadataRef Scope);
 834
 835 /**
 836  * Create debugging information entry to establish inheritance relationship
 837  * between two types.
 838  * \param Builder       The DIBuilder.
 839  * \param Ty            Original type.
 840  * \param BaseTy        Base type. Ty is inherits from base.
 841  * \param BaseOffset    Base offset.
 842  * \param VBPtrOffset  Virtual base pointer offset.
 843  * \param Flags         Flags to describe inheritance attribute, e.g. private
 844  */
 845 LLVMMetadataRef
 846 LLVMDIBuilderCreateInheritance(LLVMDIBuilderRef Builder,
 847                                LLVMMetadataRef Ty, LLVMMetadataRef BaseTy,
 848                                uint64_t BaseOffset, uint32_t VBPtrOffset,
 849                                LLVMDIFlags Flags);
 850
 851 /**
 852  * Create a permanent forward-declared type.
 853  * \param Builder             The DIBuilder.
 854  * \param Tag                 A unique tag for this type.
 855  * \param Name                Type name.
 856  * \param NameLen             Length of type name.
 857  * \param Scope               Type scope.
 858  * \param File                File where this type is defined.
 859  * \param Line                Line number where this type is defined.
 860  * \param RuntimeLang         Indicates runtime version for languages like
 861  *                            Objective-C.
 862  * \param SizeInBits          Member size.
 863  * \param AlignInBits         Member alignment.
 864  * \param UniqueIdentifier    A unique identifier for the type.
 865  * \param UniqueIdentifierLen Length of the unique identifier.
 866  */
 867 LLVMMetadataRef LLVMDIBuilderCreateForwardDecl(
 868     LLVMDIBuilderRef Builder, unsigned Tag, const char *Name,
 869     size_t NameLen, LLVMMetadataRef Scope, LLVMMetadataRef File, unsigned Line,
 870     unsigned RuntimeLang, uint64_t SizeInBits, uint32_t AlignInBits,
 871     const char *UniqueIdentifier, size_t UniqueIdentifierLen);
 872
 873 /**
 874  * Create a temporary forward-declared type.
 875  * \param Builder             The DIBuilder.
 876  * \param Tag                 A unique tag for this type.
 877  * \param Name                Type name.
 878  * \param NameLen             Length of type name.
 879  * \param Scope               Type scope.
 880  * \param File                File where this type is defined.
 881  * \param Line                Line number where this type is defined.
 882  * \param RuntimeLang         Indicates runtime version for languages like
 883  *                            Objective-C.
 884  * \param SizeInBits          Member size.
 885  * \param AlignInBits         Member alignment.
 886  * \param Flags               Flags.
 887  * \param UniqueIdentifier    A unique identifier for the type.
 888  * \param UniqueIdentifierLen Length of the unique identifier.
 889  */
 890 LLVMMetadataRef
 891 LLVMDIBuilderCreateReplaceableCompositeType(
 892     LLVMDIBuilderRef Builder, unsigned Tag, const char *Name,
 893     size_t NameLen, LLVMMetadataRef Scope, LLVMMetadataRef File, unsigned Line,
 894     unsigned RuntimeLang, uint64_t SizeInBits, uint32_t AlignInBits,
 895     LLVMDIFlags Flags, const char *UniqueIdentifier,
 896     size_t UniqueIdentifierLen);
 897
 898 /**
 899  * Create debugging information entry for a bit field member.
 900  * \param Builder             The DIBuilder.
 901  * \param Scope               Member scope.
 902  * \param Name                Member name.
 903  * \param NameLen             Length of member name.
 904  * \param File                File where this member is defined.
 905  * \param LineNumber          Line number.
 906  * \param SizeInBits          Member size.
 907  * \param OffsetInBits        Member offset.
 908  * \param StorageOffsetInBits Member storage offset.
 909  * \param Flags               Flags to encode member attribute.
 910  * \param Type                Parent type.
 911  */
 912 LLVMMetadataRef
 913 LLVMDIBuilderCreateBitFieldMemberType(LLVMDIBuilderRef Builder,
 914                                       LLVMMetadataRef Scope,
 915                                       const char *Name, size_t NameLen,
 916                                       LLVMMetadataRef File, unsigned LineNumber,
 917                                       uint64_t SizeInBits,
 918                                       uint64_t OffsetInBits,
 919                                       uint64_t StorageOffsetInBits,
 920                                       LLVMDIFlags Flags, LLVMMetadataRef Type);
 921
 922 /**
 923  * Create debugging information entry for a class.
 924  * \param Scope               Scope in which this class is defined.
 925  * \param Name                Class name.
 926  * \param NameLen             The length of the C string passed to \c Name.
 927  * \param File                File where this member is defined.
 928  * \param LineNumber          Line number.
 929  * \param SizeInBits          Member size.
 930  * \param AlignInBits         Member alignment.
 931  * \param OffsetInBits        Member offset.
 932  * \param Flags               Flags to encode member attribute, e.g. private.
 933  * \param DerivedFrom         Debug info of the base class of this type.
 934  * \param Elements            Class members.
 935  * \param NumElements         Number of class elements.
 936  * \param VTableHolder        Debug info of the base class that contains vtable
 937  *                            for this type. This is used in
 938  *                            DW_AT_containing_type. See DWARF documentation
 939  *                            for more info.
 940  * \param TemplateParamsNode  Template type parameters.
 941  * \param UniqueIdentifier    A unique identifier for the type.
 942  * \param UniqueIdentifierLen Length of the unique identifier.
 943  */
 944 LLVMMetadataRef LLVMDIBuilderCreateClassType(LLVMDIBuilderRef Builder,
 945     LLVMMetadataRef Scope, const char *Name, size_t NameLen,
 946     LLVMMetadataRef File, unsigned LineNumber, uint64_t SizeInBits,
 947     uint32_t AlignInBits, uint64_t OffsetInBits, LLVMDIFlags Flags,
 948     LLVMMetadataRef DerivedFrom,
 949     LLVMMetadataRef *Elements, unsigned NumElements,
 950     LLVMMetadataRef VTableHolder, LLVMMetadataRef TemplateParamsNode,
 951     const char *UniqueIdentifier, size_t UniqueIdentifierLen);
 952
 953 /**
 954  * Create a uniqued DIType* clone with FlagArtificial set.
 955  * \param Builder     The DIBuilder.
 956  * \param Type        The underlying type.
 957  */
 958 LLVMMetadataRef
 959 LLVMDIBuilderCreateArtificialType(LLVMDIBuilderRef Builder,
 960                                   LLVMMetadataRef Type);
 961
 962 /**
 963  * Get the name of this DIType.
 964  * \param DType     The DIType.
 965  * \param Length    The length of the returned string.
 966  *
 967  * @see DIType::getName()
 968  */
 969 const char *LLVMDITypeGetName(LLVMMetadataRef DType, size_t *Length);
 970
 971 /**
 972  * Get the size of this DIType in bits.
 973  * \param DType     The DIType.
 974  *
 975  * @see DIType::getSizeInBits()
 976  */
 977 uint64_t LLVMDITypeGetSizeInBits(LLVMMetadataRef DType);
 978
 979 /**
 980  * Get the offset of this DIType in bits.
 981  * \param DType     The DIType.
 982  *
 983  * @see DIType::getOffsetInBits()
 984  */
 985 uint64_t LLVMDITypeGetOffsetInBits(LLVMMetadataRef DType);
 986
 987 /**
 988  * Get the alignment of this DIType in bits.
 989  * \param DType     The DIType.
 990  *
 991  * @see DIType::getAlignInBits()
 992  */
 993 uint32_t LLVMDITypeGetAlignInBits(LLVMMetadataRef DType);
 994
 995 /**
 996  * Get the source line where this DIType is declared.
 997  * \param DType     The DIType.
 998  *
 999  * @see DIType::getLine()
1000  */
1001 unsigned LLVMDITypeGetLine(LLVMMetadataRef DType);
1002
1003 /**
1004  * Get the flags associated with this DIType.
1005  * \param DType     The DIType.
1006  *
1007  * @see DIType::getFlags()
1008  */
1009 LLVMDIFlags LLVMDITypeGetFlags(LLVMMetadataRef DType);
1010
1011 /**
1012  * Create a descriptor for a value range.
1013  * \param Builder    The DIBuilder.
1014  * \param LowerBound Lower bound of the subrange, e.g. 0 for C, 1 for Fortran.
1015  * \param Count      Count of elements in the subrange.
1016  */
1017 LLVMMetadataRef LLVMDIBuilderGetOrCreateSubrange(LLVMDIBuilderRef Builder,
1018                                                  int64_t LowerBound,
1019                                                  int64_t Count);
1020
1021 /**
1022  * Create an array of DI Nodes.
1023  * \param Builder        The DIBuilder.
1024  * \param Data           The DI Node elements.
1025  * \param NumElements    Number of DI Node elements.
1026  */
1027 LLVMMetadataRef LLVMDIBuilderGetOrCreateArray(LLVMDIBuilderRef Builder,
1028                                               LLVMMetadataRef *Data,
1029                                               size_t NumElements);
1030
1031 /**
1032  * Create a new descriptor for the specified variable which has a complex
1033  * address expression for its address.
1034  * \param Builder     The DIBuilder.
1035  * \param Addr        An array of complex address operations.
1036  * \param Length      Length of the address operation array.
1037  */
1038 LLVMMetadataRef LLVMDIBuilderCreateExpression(LLVMDIBuilderRef Builder,
1039                                               int64_t *Addr, size_t Length);
1040
1041 /**
1042  * Create a new descriptor for the specified variable that does not have an
1043  * address, but does have a constant value.
1044  * \param Builder     The DIBuilder.
1045  * \param Value       The constant value.
1046  */
1047 LLVMMetadataRef
1048 LLVMDIBuilderCreateConstantValueExpression(LLVMDIBuilderRef Builder,
1049                                            int64_t Value);
1050
1051 /**
1052  * Create a new descriptor for the specified variable.
1053  * \param Scope       Variable scope.
1054  * \param Name        Name of the variable.
1055  * \param NameLen     The length of the C string passed to \c Name.
1056  * \param Linkage     Mangled  name of the variable.
1057  * \param LinkLen     The length of the C string passed to \c Linkage.
1058  * \param File        File where this variable is defined.
1059  * \param LineNo      Line number.
1060  * \param Ty          Variable Type.
1061  * \param LocalToUnit Boolean flag indicate whether this variable is
1062  *                    externally visible or not.
1063  * \param Expr        The location of the global relative to the attached
1064  *                    GlobalVariable.
1065  * \param Decl        Reference to the corresponding declaration.
1066  *                    variables.
1067  * \param AlignInBits Variable alignment(or 0 if no alignment attr was
1068  *                    specified)
1069  */
1070 LLVMMetadataRef LLVMDIBuilderCreateGlobalVariableExpression(
1071     LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
1072     size_t NameLen, const char *Linkage, size_t LinkLen, LLVMMetadataRef File,
1073     unsigned LineNo, LLVMMetadataRef Ty, LLVMBool LocalToUnit,
1074     LLVMMetadataRef Expr, LLVMMetadataRef Decl, uint32_t AlignInBits);
1075
1076 /**
1077  * Retrieves the \c DIVariable associated with this global variable expression.
1078  * \param GVE    The global variable expression.
1079  *
1080  * @see llvm::DIGlobalVariableExpression::getVariable()
1081  */
1082 LLVMMetadataRef LLVMDIGlobalVariableExpressionGetVariable(LLVMMetadataRef GVE);
1083
1084 /**
1085  * Retrieves the \c DIExpression associated with this global variable expression.
1086  * \param GVE    The global variable expression.
1087  *
1088  * @see llvm::DIGlobalVariableExpression::getExpression()
1089  */
1090 LLVMMetadataRef LLVMDIGlobalVariableExpressionGetExpression(
1091     LLVMMetadataRef GVE);
1092
1093 /**
1094  * Get the metadata of the file associated with a given variable.
1095  * \param Var     The variable object.
1096  *
1097  * @see DIVariable::getFile()
1098  */
1099 LLVMMetadataRef LLVMDIVariableGetFile(LLVMMetadataRef Var);
1100
1101 /**
1102  * Get the metadata of the scope associated with a given variable.
1103  * \param Var     The variable object.
1104  *
1105  * @see DIVariable::getScope()
1106  */
1107 LLVMMetadataRef LLVMDIVariableGetScope(LLVMMetadataRef Var);
1108
1109 /**
1110  * Get the source line where this \c DIVariable is declared.
1111  * \param Var     The DIVariable.
1112  *
1113  * @see DIVariable::getLine()
1114  */
1115 unsigned LLVMDIVariableGetLine(LLVMMetadataRef Var);
1116
1117 /**
1118  * Create a new temporary \c MDNode.  Suitable for use in constructing cyclic
1119  * \c MDNode structures. A temporary \c MDNode is not uniqued, may be RAUW'd,
1120  * and must be manually deleted with \c LLVMDisposeTemporaryMDNode.
1121  * \param Ctx            The context in which to construct the temporary node.
1122  * \param Data           The metadata elements.
1123  * \param NumElements    Number of metadata elements.
1124  */
1125 LLVMMetadataRef LLVMTemporaryMDNode(LLVMContextRef Ctx, LLVMMetadataRef *Data,
1126                                     size_t NumElements);
1127
1128 /**
1129  * Deallocate a temporary node.
1130  *
1131  * Calls \c replaceAllUsesWith(nullptr) before deleting, so any remaining
1132  * references will be reset.
1133  * \param TempNode    The temporary metadata node.
1134  */
1135 void LLVMDisposeTemporaryMDNode(LLVMMetadataRef TempNode);
1136
1137 /**
1138  * Replace all uses of temporary metadata.
1139  * \param TempTargetMetadata    The temporary metadata node.
1140  * \param Replacement           The replacement metadata node.
1141  */
1142 void LLVMMetadataReplaceAllUsesWith(LLVMMetadataRef TempTargetMetadata,
1143                                     LLVMMetadataRef Replacement);
1144
1145 /**
1146  * Create a new descriptor for the specified global variable that is temporary
1147  * and meant to be RAUWed.
1148  * \param Scope       Variable scope.
1149  * \param Name        Name of the variable.
1150  * \param NameLen     The length of the C string passed to \c Name.
1151  * \param Linkage     Mangled  name of the variable.
1152  * \param LnkLen      The length of the C string passed to \c Linkage.
1153  * \param File        File where this variable is defined.
1154  * \param LineNo      Line number.
1155  * \param Ty          Variable Type.
1156  * \param LocalToUnit Boolean flag indicate whether this variable is
1157  *                    externally visible or not.
1158  * \param Decl        Reference to the corresponding declaration.
1159  * \param AlignInBits Variable alignment(or 0 if no alignment attr was
1160  *                    specified)
1161  */
1162 LLVMMetadataRef LLVMDIBuilderCreateTempGlobalVariableFwdDecl(
1163     LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
1164     size_t NameLen, const char *Linkage, size_t LnkLen, LLVMMetadataRef File,
1165     unsigned LineNo, LLVMMetadataRef Ty, LLVMBool LocalToUnit,
1166     LLVMMetadataRef Decl, uint32_t AlignInBits);
1167
1168 /**
1169  * Insert a new llvm.dbg.declare intrinsic call before the given instruction.
1170  * \param Builder     The DIBuilder.
1171  * \param Storage     The storage of the variable to declare.
1172  * \param VarInfo     The variable's debug info descriptor.
1173  * \param Expr        A complex location expression for the variable.
1174  * \param DebugLoc    Debug info location.
1175  * \param Instr       Instruction acting as a location for the new intrinsic.
1176  */
1177 LLVMValueRef LLVMDIBuilderInsertDeclareBefore(
1178   LLVMDIBuilderRef Builder, LLVMValueRef Storage, LLVMMetadataRef VarInfo,
1179   LLVMMetadataRef Expr, LLVMMetadataRef DebugLoc, LLVMValueRef Instr);
1180
1181 /**
1182  * Insert a new llvm.dbg.declare intrinsic call at the end of the given basic
1183  * block. If the basic block has a terminator instruction, the intrinsic is
1184  * inserted before that terminator instruction.
1185  * \param Builder     The DIBuilder.
1186  * \param Storage     The storage of the variable to declare.
1187  * \param VarInfo     The variable's debug info descriptor.
1188  * \param Expr        A complex location expression for the variable.
1189  * \param DebugLoc    Debug info location.
1190  * \param Block       Basic block acting as a location for the new intrinsic.
1191  */
1192 LLVMValueRef LLVMDIBuilderInsertDeclareAtEnd(
1193     LLVMDIBuilderRef Builder, LLVMValueRef Storage, LLVMMetadataRef VarInfo,
1194     LLVMMetadataRef Expr, LLVMMetadataRef DebugLoc, LLVMBasicBlockRef Block);
1195
1196 /**
1197  * Insert a new llvm.dbg.value intrinsic call before the given instruction.
1198  * \param Builder     The DIBuilder.
1199  * \param Val         The value of the variable.
1200  * \param VarInfo     The variable's debug info descriptor.
1201  * \param Expr        A complex location expression for the variable.
1202  * \param DebugLoc    Debug info location.
1203  * \param Instr       Instruction acting as a location for the new intrinsic.
1204  */
1205 LLVMValueRef LLVMDIBuilderInsertDbgValueBefore(LLVMDIBuilderRef Builder,
1206                                                LLVMValueRef Val,
1207                                                LLVMMetadataRef VarInfo,
1208                                                LLVMMetadataRef Expr,
1209                                                LLVMMetadataRef DebugLoc,
1210                                                LLVMValueRef Instr);
1211
1212 /**
1213  * Insert a new llvm.dbg.value intrinsic call at the end of the given basic
1214  * block. If the basic block has a terminator instruction, the intrinsic is
1215  * inserted before that terminator instruction.
1216  * \param Builder     The DIBuilder.
1217  * \param Val         The value of the variable.
1218  * \param VarInfo     The variable's debug info descriptor.
1219  * \param Expr        A complex location expression for the variable.
1220  * \param DebugLoc    Debug info location.
1221  * \param Block       Basic block acting as a location for the new intrinsic.
1222  */
1223 LLVMValueRef LLVMDIBuilderInsertDbgValueAtEnd(LLVMDIBuilderRef Builder,
1224                                               LLVMValueRef Val,
1225                                               LLVMMetadataRef VarInfo,
1226                                               LLVMMetadataRef Expr,
1227                                               LLVMMetadataRef DebugLoc,
1228                                               LLVMBasicBlockRef Block);
1229
1230 /**
1231  * Create a new descriptor for a local auto variable.
1232  * \param Builder         The DIBuilder.
1233  * \param Scope           The local scope the variable is declared in.
1234  * \param Name            Variable name.
1235  * \param NameLen         Length of variable name.
1236  * \param File            File where this variable is defined.
1237  * \param LineNo          Line number.
1238  * \param Ty              Metadata describing the type of the variable.
1239  * \param AlwaysPreserve  If true, this descriptor will survive optimizations.
1240  * \param Flags           Flags.
1241  * \param AlignInBits     Variable alignment.
1242  */
1243 LLVMMetadataRef LLVMDIBuilderCreateAutoVariable(
1244     LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
1245     size_t NameLen, LLVMMetadataRef File, unsigned LineNo, LLVMMetadataRef Ty,
1246     LLVMBool AlwaysPreserve, LLVMDIFlags Flags, uint32_t AlignInBits);
1247
1248 /**
1249  * Create a new descriptor for a function parameter variable.
1250  * \param Builder         The DIBuilder.
1251  * \param Scope           The local scope the variable is declared in.
1252  * \param Name            Variable name.
1253  * \param NameLen         Length of variable name.
1254  * \param ArgNo           Unique argument number for this variable; starts at 1.
1255  * \param File            File where this variable is defined.
1256  * \param LineNo          Line number.
1257  * \param Ty              Metadata describing the type of the variable.
1258  * \param AlwaysPreserve  If true, this descriptor will survive optimizations.
1259  * \param Flags           Flags.
1260  */
1261 LLVMMetadataRef LLVMDIBuilderCreateParameterVariable(
1262     LLVMDIBuilderRef Builder, LLVMMetadataRef Scope, const char *Name,
1263     size_t NameLen, unsigned ArgNo, LLVMMetadataRef File, unsigned LineNo,
1264     LLVMMetadataRef Ty, LLVMBool AlwaysPreserve, LLVMDIFlags Flags);
1265
1266 /**
1267  * Get the metadata of the subprogram attached to a function.
1268  *
1269  * @see llvm::Function::getSubprogram()
1270  */
1271 LLVMMetadataRef LLVMGetSubprogram(LLVMValueRef Func);
1272
1273 /**
1274  * Set the subprogram attached to a function.
1275  *
1276  * @see llvm::Function::setSubprogram()
1277  */
1278 void LLVMSetSubprogram(LLVMValueRef Func, LLVMMetadataRef SP);
1279
1280 /**
1281  * Get the line associated with a given subprogram.
1282  * \param Subprogram     The subprogram object.
1283  *
1284  * @see DISubprogram::getLine()
1285  */
1286 unsigned LLVMDISubprogramGetLine(LLVMMetadataRef Subprogram);
1287
1288 /**
1289  * Get the debug location for the given instruction.
1290  *
1291  * @see llvm::Instruction::getDebugLoc()
1292  */
1293 LLVMMetadataRef LLVMInstructionGetDebugLoc(LLVMValueRef Inst);
1294
1295 /**
1296  * Set the debug location for the given instruction.
1297  *
1298  * To clear the location metadata of the given instruction, pass NULL to \p Loc.
1299  *
1300  * @see llvm::Instruction::setDebugLoc()
1301  */
1302 void LLVMInstructionSetDebugLoc(LLVMValueRef Inst, LLVMMetadataRef Loc);
1303
1304 /**
1305  * Obtain the enumerated type of a Metadata instance.
1306  *
1307  * @see llvm::Metadata::getMetadataID()
1308  */
1309 LLVMMetadataKind LLVMGetMetadataKind(LLVMMetadataRef Metadata);
1310
1311 #ifdef __cplusplus
1312 } /* end extern "C" */
1313 #endif
1314
1315 #endif