1 //===- dibuilder.go - Bindings for DIBuilder ------------------------------===// 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 defines bindings for the DIBuilder class. 10 // 11 //===----------------------------------------------------------------------===// 12 13 package llvm 14 15 /* 16 #include "IRBindings.h" 17 #include <stdlib.h> 18 */ 19 import "C" 20 21 import ( 22 "debug/dwarf" 23 "unsafe" 24 ) 25 26 type DwarfTag uint32 27 28 const ( 29 DW_TAG_lexical_block DwarfTag = 0x0b 30 DW_TAG_compile_unit DwarfTag = 0x11 31 DW_TAG_variable DwarfTag = 0x34 32 DW_TAG_base_type DwarfTag = 0x24 33 DW_TAG_pointer_type DwarfTag = 0x0F 34 DW_TAG_structure_type DwarfTag = 0x13 35 DW_TAG_subroutine_type DwarfTag = 0x15 36 DW_TAG_file_type DwarfTag = 0x29 37 DW_TAG_subprogram DwarfTag = 0x2E 38 DW_TAG_auto_variable DwarfTag = 0x100 39 DW_TAG_arg_variable DwarfTag = 0x101 40 ) 41 42 const ( 43 FlagPrivate = 1 << iota 44 FlagProtected 45 FlagFwdDecl 46 FlagAppleBlock 47 FlagReserved 48 FlagVirtual 49 FlagArtificial 50 FlagExplicit 51 FlagPrototyped 52 FlagObjcClassComplete 53 FlagObjectPointer 54 FlagVector 55 FlagStaticMember 56 FlagIndirectVariable 57 ) 58 59 type DwarfLang uint32 60 61 const ( 62 // http://dwarfstd.org/ShowIssue.php?issue=101014.1&type=open 63 DW_LANG_Go DwarfLang = 0x0016 64 ) 65 66 type DwarfTypeEncoding uint32 67 68 const ( 69 DW_ATE_address DwarfTypeEncoding = 0x01 70 DW_ATE_boolean DwarfTypeEncoding = 0x02 71 DW_ATE_complex_float DwarfTypeEncoding = 0x03 72 DW_ATE_float DwarfTypeEncoding = 0x04 73 DW_ATE_signed DwarfTypeEncoding = 0x05 74 DW_ATE_signed_char DwarfTypeEncoding = 0x06 75 DW_ATE_unsigned DwarfTypeEncoding = 0x07 76 DW_ATE_unsigned_char DwarfTypeEncoding = 0x08 77 DW_ATE_imaginary_float DwarfTypeEncoding = 0x09 78 DW_ATE_packed_decimal DwarfTypeEncoding = 0x0a 79 DW_ATE_numeric_string DwarfTypeEncoding = 0x0b 80 DW_ATE_edited DwarfTypeEncoding = 0x0c 81 DW_ATE_signed_fixed DwarfTypeEncoding = 0x0d 82 DW_ATE_unsigned_fixed DwarfTypeEncoding = 0x0e 83 DW_ATE_decimal_float DwarfTypeEncoding = 0x0f 84 DW_ATE_UTF DwarfTypeEncoding = 0x10 85 DW_ATE_lo_user DwarfTypeEncoding = 0x80 86 DW_ATE_hi_user DwarfTypeEncoding = 0xff 87 ) 88 89 // DIBuilder is a wrapper for the LLVM DIBuilder class. 90 type DIBuilder struct { 91 ref C.LLVMDIBuilderRef 92 m Module 93 } 94 95 // NewDIBuilder creates a new DIBuilder, associated with the given module. 96 func NewDIBuilder(m Module) *DIBuilder { 97 d := C.LLVMCreateDIBuilder(m.C) 98 return &DIBuilder{ref: d, m: m} 99 } 100 101 // Destroy destroys the DIBuilder. 102 func (d *DIBuilder) Destroy() { 103 C.LLVMDisposeDIBuilder(d.ref) 104 } 105 106 // FInalize finalizes the debug information generated by the DIBuilder. 107 func (d *DIBuilder) Finalize() { 108 C.LLVMDIBuilderFinalize(d.ref) 109 } 110 111 // DICompileUnit holds the values for creating compile unit debug metadata. 112 type DICompileUnit struct { 113 Language DwarfLang 114 File string 115 Dir string 116 Producer string 117 Optimized bool 118 Flags string 119 RuntimeVersion int 120 SysRoot string 121 SDK string 122 } 123 124 // CreateCompileUnit creates compile unit debug metadata. 125 func (d *DIBuilder) CreateCompileUnit(cu DICompileUnit) Metadata { 126 file := C.CString(cu.File) 127 defer C.free(unsafe.Pointer(file)) 128 dir := C.CString(cu.Dir) 129 defer C.free(unsafe.Pointer(dir)) 130 producer := C.CString(cu.Producer) 131 defer C.free(unsafe.Pointer(producer)) 132 flags := C.CString(cu.Flags) 133 defer C.free(unsafe.Pointer(flags)) 134 sysroot := C.CString(cu.SysRoot) 135 defer C.free(unsafe.Pointer(sysroot)) 136 sdk := C.CString(cu.SDK) 137 defer C.free(unsafe.Pointer(sdk)) 138 result := C.LLVMDIBuilderCreateCompileUnit( 139 d.ref, 140 C.LLVMDWARFSourceLanguage(cu.Language), 141 C.LLVMDIBuilderCreateFile(d.ref, file, C.size_t(len(cu.File)), dir, C.size_t(len(cu.Dir))), 142 producer, C.size_t(len(cu.Producer)), 143 C.LLVMBool(boolToCInt(cu.Optimized)), 144 flags, C.size_t(len(cu.Flags)), 145 C.unsigned(cu.RuntimeVersion), 146 /*SplitName=*/ nil, 0, 147 C.LLVMDWARFEmissionFull, 148 /*DWOId=*/ 0, 149 /*SplitDebugInlining*/ C.LLVMBool(boolToCInt(true)), 150 /*DebugInfoForProfiling*/ C.LLVMBool(boolToCInt(false)), 151 sysroot, C.size_t(len(cu.SysRoot)), 152 sdk, C.size_t(len(cu.SDK)), 153 ) 154 return Metadata{C: result} 155 } 156 157 // CreateFile creates file debug metadata. 158 func (d *DIBuilder) CreateFile(filename, dir string) Metadata { 159 cfilename := C.CString(filename) 160 defer C.free(unsafe.Pointer(cfilename)) 161 cdir := C.CString(dir) 162 defer C.free(unsafe.Pointer(cdir)) 163 result := C.LLVMDIBuilderCreateFile(d.ref, 164 cfilename, C.size_t(len(filename)), 165 cdir, C.size_t(len(dir))) 166 return Metadata{C: result} 167 } 168 169 // DILexicalBlock holds the values for creating lexical block debug metadata. 170 type DILexicalBlock struct { 171 File Metadata 172 Line int 173 Column int 174 } 175 176 // CreateLexicalBlock creates lexical block debug metadata. 177 func (d *DIBuilder) CreateLexicalBlock(diScope Metadata, b DILexicalBlock) Metadata { 178 result := C.LLVMDIBuilderCreateLexicalBlock( 179 d.ref, 180 diScope.C, 181 b.File.C, 182 C.unsigned(b.Line), 183 C.unsigned(b.Column), 184 ) 185 return Metadata{C: result} 186 } 187 188 func (d *DIBuilder) CreateLexicalBlockFile(diScope Metadata, diFile Metadata, discriminator int) Metadata { 189 result := C.LLVMDIBuilderCreateLexicalBlockFile(d.ref, diScope.C, diFile.C, 190 C.unsigned(discriminator)) 191 return Metadata{C: result} 192 } 193 194 // DIFunction holds the values for creating function debug metadata. 195 type DIFunction struct { 196 Name string 197 LinkageName string 198 File Metadata 199 Line int 200 Type Metadata 201 LocalToUnit bool 202 IsDefinition bool 203 ScopeLine int 204 Flags int 205 Optimized bool 206 } 207 208 // CreateFunction creates function debug metadata. 209 func (d *DIBuilder) CreateFunction(diScope Metadata, f DIFunction) Metadata { 210 name := C.CString(f.Name) 211 defer C.free(unsafe.Pointer(name)) 212 linkageName := C.CString(f.LinkageName) 213 defer C.free(unsafe.Pointer(linkageName)) 214 result := C.LLVMDIBuilderCreateFunction( 215 d.ref, 216 diScope.C, 217 name, C.size_t(len(f.Name)), 218 linkageName, C.size_t(len(f.LinkageName)), 219 f.File.C, 220 C.unsigned(f.Line), 221 f.Type.C, 222 C.LLVMBool(boolToCInt(f.LocalToUnit)), 223 C.LLVMBool(boolToCInt(f.IsDefinition)), 224 C.unsigned(f.ScopeLine), 225 C.LLVMDIFlags(f.Flags), 226 C.LLVMBool(boolToCInt(f.Optimized)), 227 ) 228 return Metadata{C: result} 229 } 230 231 // DIAutoVariable holds the values for creating auto variable debug metadata. 232 type DIAutoVariable struct { 233 Name string 234 File Metadata 235 Line int 236 Type Metadata 237 AlwaysPreserve bool 238 Flags int 239 AlignInBits uint32 240 } 241 242 // CreateAutoVariable creates local variable debug metadata. 243 func (d *DIBuilder) CreateAutoVariable(scope Metadata, v DIAutoVariable) Metadata { 244 name := C.CString(v.Name) 245 defer C.free(unsafe.Pointer(name)) 246 result := C.LLVMDIBuilderCreateAutoVariable( 247 d.ref, 248 scope.C, 249 name, C.size_t(len(v.Name)), 250 v.File.C, 251 C.unsigned(v.Line), 252 v.Type.C, 253 C.LLVMBool(boolToCInt(v.AlwaysPreserve)), 254 C.LLVMDIFlags(v.Flags), 255 C.uint32_t(v.AlignInBits), 256 ) 257 return Metadata{C: result} 258 } 259 260 // DIParameterVariable holds the values for creating parameter variable debug metadata. 261 type DIParameterVariable struct { 262 Name string 263 File Metadata 264 Line int 265 Type Metadata 266 AlwaysPreserve bool 267 Flags int 268 269 // ArgNo is the 1-based index of the argument in the function's 270 // parameter list. 271 ArgNo int 272 } 273 274 // CreateParameterVariable creates parameter variable debug metadata. 275 func (d *DIBuilder) CreateParameterVariable(scope Metadata, v DIParameterVariable) Metadata { 276 name := C.CString(v.Name) 277 defer C.free(unsafe.Pointer(name)) 278 result := C.LLVMDIBuilderCreateParameterVariable( 279 d.ref, 280 scope.C, 281 name, C.size_t(len(v.Name)), 282 C.unsigned(v.ArgNo), 283 v.File.C, 284 C.unsigned(v.Line), 285 v.Type.C, 286 C.LLVMBool(boolToCInt(v.AlwaysPreserve)), 287 C.LLVMDIFlags(v.Flags), 288 ) 289 return Metadata{C: result} 290 } 291 292 // DIBasicType holds the values for creating basic type debug metadata. 293 type DIBasicType struct { 294 Name string 295 SizeInBits uint64 296 Encoding DwarfTypeEncoding 297 } 298 299 // CreateBasicType creates basic type debug metadata. 300 func (d *DIBuilder) CreateBasicType(t DIBasicType) Metadata { 301 name := C.CString(t.Name) 302 defer C.free(unsafe.Pointer(name)) 303 result := C.LLVMDIBuilderCreateBasicType( 304 d.ref, 305 name, 306 C.size_t(len(t.Name)), 307 C.uint64_t(t.SizeInBits), 308 C.LLVMDWARFTypeEncoding(t.Encoding), 309 C.LLVMDIFlags(0), 310 ) 311 return Metadata{C: result} 312 } 313 314 // DIPointerType holds the values for creating pointer type debug metadata. 315 type DIPointerType struct { 316 Pointee Metadata 317 SizeInBits uint64 318 AlignInBits uint32 // optional 319 AddressSpace uint32 320 Name string // optional 321 } 322 323 // CreatePointerType creates a type that represents a pointer to another type. 324 func (d *DIBuilder) CreatePointerType(t DIPointerType) Metadata { 325 name := C.CString(t.Name) 326 defer C.free(unsafe.Pointer(name)) 327 result := C.LLVMDIBuilderCreatePointerType( 328 d.ref, 329 t.Pointee.C, 330 C.uint64_t(t.SizeInBits), 331 C.uint32_t(t.AlignInBits), 332 C.unsigned(t.AddressSpace), 333 name, 334 C.size_t(len(t.Name)), 335 ) 336 return Metadata{C: result} 337 } 338 339 // DISubroutineType holds the values for creating subroutine type debug metadata. 340 type DISubroutineType struct { 341 // File is the file in which the subroutine type is defined. 342 File Metadata 343 344 // Parameters contains the subroutine parameter types, 345 // including the return type at the 0th index. 346 Parameters []Metadata 347 348 Flags int 349 } 350 351 // CreateSubroutineType creates subroutine type debug metadata. 352 func (d *DIBuilder) CreateSubroutineType(t DISubroutineType) Metadata { 353 params, length := llvmMetadataRefs(t.Parameters) 354 result := C.LLVMDIBuilderCreateSubroutineType( 355 d.ref, 356 t.File.C, 357 params, 358 length, 359 C.LLVMDIFlags(t.Flags), 360 ) 361 return Metadata{C: result} 362 } 363 364 // DIStructType holds the values for creating struct type debug metadata. 365 type DIStructType struct { 366 Name string 367 File Metadata 368 Line int 369 SizeInBits uint64 370 AlignInBits uint32 371 Flags int 372 DerivedFrom Metadata 373 Elements []Metadata 374 VTableHolder Metadata // optional 375 UniqueID string 376 } 377 378 // CreateStructType creates struct type debug metadata. 379 func (d *DIBuilder) CreateStructType(scope Metadata, t DIStructType) Metadata { 380 elements, length := llvmMetadataRefs(t.Elements) 381 name := C.CString(t.Name) 382 uniqueID := C.CString(t.UniqueID) 383 defer C.free(unsafe.Pointer(name)) 384 defer C.free(unsafe.Pointer(uniqueID)) 385 result := C.LLVMDIBuilderCreateStructType( 386 d.ref, 387 scope.C, 388 name, 389 C.size_t(len(t.Name)), 390 t.File.C, 391 C.unsigned(t.Line), 392 C.uint64_t(t.SizeInBits), 393 C.uint32_t(t.AlignInBits), 394 C.LLVMDIFlags(t.Flags), 395 t.DerivedFrom.C, 396 elements, 397 length, 398 C.unsigned(0), // Optional Objective-C runtime version. 399 t.VTableHolder.C, 400 uniqueID, 401 C.size_t(len(t.UniqueID)), 402 ) 403 return Metadata{C: result} 404 } 405 406 // DIReplaceableCompositeType holds the values for creating replaceable 407 // composite type debug metadata. 408 type DIReplaceableCompositeType struct { 409 Tag dwarf.Tag 410 Name string 411 File Metadata 412 Line int 413 RuntimeLang int 414 SizeInBits uint64 415 AlignInBits uint32 416 Flags int 417 UniqueID string 418 } 419 420 // CreateReplaceableCompositeType creates replaceable composite type debug metadata. 421 func (d *DIBuilder) CreateReplaceableCompositeType(scope Metadata, t DIReplaceableCompositeType) Metadata { 422 name := C.CString(t.Name) 423 uniqueID := C.CString(t.UniqueID) 424 defer C.free(unsafe.Pointer(name)) 425 defer C.free(unsafe.Pointer(uniqueID)) 426 result := C.LLVMDIBuilderCreateReplaceableCompositeType( 427 d.ref, 428 C.unsigned(t.Tag), 429 name, 430 C.size_t(len(t.Name)), 431 scope.C, 432 t.File.C, 433 C.unsigned(t.Line), 434 C.unsigned(t.RuntimeLang), 435 C.uint64_t(t.SizeInBits), 436 C.uint32_t(t.AlignInBits), 437 C.LLVMDIFlags(t.Flags), 438 uniqueID, 439 C.size_t(len(t.UniqueID)), 440 ) 441 return Metadata{C: result} 442 } 443 444 // DIMemberType holds the values for creating member type debug metadata. 445 type DIMemberType struct { 446 Name string 447 File Metadata 448 Line int 449 SizeInBits uint64 450 AlignInBits uint32 451 OffsetInBits uint64 452 Flags int 453 Type Metadata 454 } 455 456 // CreateMemberType creates struct type debug metadata. 457 func (d *DIBuilder) CreateMemberType(scope Metadata, t DIMemberType) Metadata { 458 name := C.CString(t.Name) 459 defer C.free(unsafe.Pointer(name)) 460 result := C.LLVMDIBuilderCreateMemberType( 461 d.ref, 462 scope.C, 463 name, 464 C.size_t(len(t.Name)), 465 t.File.C, 466 C.unsigned(t.Line), 467 C.uint64_t(t.SizeInBits), 468 C.uint32_t(t.AlignInBits), 469 C.uint64_t(t.OffsetInBits), 470 C.LLVMDIFlags(t.Flags), 471 t.Type.C, 472 ) 473 return Metadata{C: result} 474 } 475 476 // DISubrange describes an integer value range. 477 type DISubrange struct { 478 Lo int64 479 Count int64 480 } 481 482 // DIArrayType holds the values for creating array type debug metadata. 483 type DIArrayType struct { 484 SizeInBits uint64 485 AlignInBits uint32 486 ElementType Metadata 487 Subscripts []DISubrange 488 } 489 490 // CreateArrayType creates struct type debug metadata. 491 func (d *DIBuilder) CreateArrayType(t DIArrayType) Metadata { 492 subscriptsSlice := make([]Metadata, len(t.Subscripts)) 493 for i, s := range t.Subscripts { 494 subscriptsSlice[i] = d.getOrCreateSubrange(s.Lo, s.Count) 495 } 496 subscripts, length := llvmMetadataRefs(subscriptsSlice) 497 result := C.LLVMDIBuilderCreateArrayType( 498 d.ref, 499 C.uint64_t(t.SizeInBits), 500 C.uint32_t(t.AlignInBits), 501 t.ElementType.C, 502 subscripts, 503 length, 504 ) 505 return Metadata{C: result} 506 } 507 508 // DITypedef holds the values for creating typedef type debug metadata. 509 type DITypedef struct { 510 Type Metadata 511 Name string 512 File Metadata 513 Line int 514 Context Metadata 515 AlignInBits uint32 516 } 517 518 // CreateTypedef creates typedef type debug metadata. 519 func (d *DIBuilder) CreateTypedef(t DITypedef) Metadata { 520 name := C.CString(t.Name) 521 defer C.free(unsafe.Pointer(name)) 522 result := C.LLVMDIBuilderCreateTypedef( 523 d.ref, 524 t.Type.C, 525 name, 526 C.size_t(len(t.Name)), 527 t.File.C, 528 C.unsigned(t.Line), 529 t.Context.C, 530 C.uint32_t(t.AlignInBits), 531 ) 532 return Metadata{C: result} 533 } 534 535 // getOrCreateSubrange gets a metadata node for the specified subrange, 536 // creating if required. 537 func (d *DIBuilder) getOrCreateSubrange(lo, count int64) Metadata { 538 result := C.LLVMDIBuilderGetOrCreateSubrange(d.ref, C.int64_t(lo), C.int64_t(count)) 539 return Metadata{C: result} 540 } 541 542 // getOrCreateArray gets a metadata node containing the specified values, 543 // creating if required. 544 func (d *DIBuilder) getOrCreateArray(values []Metadata) Metadata { 545 if len(values) == 0 { 546 return Metadata{} 547 } 548 data, length := llvmMetadataRefs(values) 549 result := C.LLVMDIBuilderGetOrCreateArray(d.ref, data, C.size_t(length)) 550 return Metadata{C: result} 551 } 552 553 // getOrCreateTypeArray gets a metadata node for a type array containing the 554 // specified values, creating if required. 555 func (d *DIBuilder) getOrCreateTypeArray(values []Metadata) Metadata { 556 if len(values) == 0 { 557 return Metadata{} 558 } 559 data, length := llvmMetadataRefs(values) 560 result := C.LLVMDIBuilderGetOrCreateTypeArray(d.ref, data, C.size_t(length)) 561 return Metadata{C: result} 562 } 563 564 // CreateExpression creates a new descriptor for the specified 565 // variable which has a complex address expression for its address. 566 func (d *DIBuilder) CreateExpression(addr []int64) Metadata { 567 var data *C.int64_t 568 if len(addr) > 0 { 569 data = (*C.int64_t)(unsafe.Pointer(&addr[0])) 570 } 571 result := C.LLVMDIBuilderCreateExpression(d.ref, data, C.size_t(len(addr))) 572 return Metadata{C: result} 573 } 574 575 // InsertDeclareAtEnd inserts a call to llvm.dbg.declare at the end of the 576 // specified basic block for the given value and associated debug metadata. 577 func (d *DIBuilder) InsertDeclareAtEnd(v Value, diVarInfo, expr Metadata, l DebugLoc, bb BasicBlock) Value { 578 loc := C.LLVMDIBuilderCreateDebugLocation( 579 d.m.Context().C, C.uint(l.Line), C.uint(l.Col), l.Scope.C, l.InlinedAt.C) 580 result := C.LLVMDIBuilderInsertDeclareAtEnd(d.ref, v.C, diVarInfo.C, expr.C, loc, bb.C) 581 return Value{C: result} 582 } 583 584 // InsertValueAtEnd inserts a call to llvm.dbg.value at the end of the 585 // specified basic block for the given value and associated debug metadata. 586 func (d *DIBuilder) InsertValueAtEnd(v Value, diVarInfo, expr Metadata, l DebugLoc, bb BasicBlock) Value { 587 loc := C.LLVMDIBuilderCreateDebugLocation( 588 d.m.Context().C, C.uint(l.Line), C.uint(l.Col), l.Scope.C, l.InlinedAt.C) 589 result := C.LLVMDIBuilderInsertDbgValueAtEnd(d.ref, v.C, diVarInfo.C, expr.C, loc, bb.C) 590 return Value{C: result} 591 } 592 593 func (v Value) SetSubprogram(sp Metadata) { 594 C.LLVMSetSubprogram(v.C, sp.C) 595 } 596 597 func (v Value) Subprogram() (md Metadata) { 598 md.C = C.LLVMGetSubprogram(v.C) 599 return 600 } 601 602 func boolToCInt(v bool) C.int { 603 if v { 604 return 1 605 } 606 return 0 607 } 608 609 //------------------------------------------------------------------------- 610 // llvm.Metadata 611 //------------------------------------------------------------------------- 612 613 func (c Context) TemporaryMDNode(mds []Metadata) (md Metadata) { 614 ptr, nvals := llvmMetadataRefs(mds) 615 md.C = C.LLVMTemporaryMDNode(c.C, ptr, C.size_t(nvals)) 616 return 617 } 618 619 func (md Metadata) ReplaceAllUsesWith(new Metadata) { 620 C.LLVMMetadataReplaceAllUsesWith(md.C, new.C) 621 } 622 623 type MetadataKind C.LLVMMetadataKind 624 625 const ( 626 MDStringMetadataKind = C.LLVMMDStringMetadataKind 627 ConstantAsMetadataMetadataKind = C.LLVMConstantAsMetadataMetadataKind 628 LocalAsMetadataMetadataKind = C.LLVMLocalAsMetadataMetadataKind 629 DistinctMDOperandPlaceholderMetadataKind = C.LLVMDistinctMDOperandPlaceholderMetadataKind 630 MDTupleMetadataKind = C.LLVMMDTupleMetadataKind 631 DILocationMetadataKind = C.LLVMDILocationMetadataKind 632 DIExpressionMetadataKind = C.LLVMDIExpressionMetadataKind 633 DIGlobalVariableExpressionMetadataKind = C.LLVMDIGlobalVariableExpressionMetadataKind 634 GenericDINodeMetadataKind = C.LLVMGenericDINodeMetadataKind 635 DISubrangeMetadataKind = C.LLVMDISubrangeMetadataKind 636 DIEnumeratorMetadataKind = C.LLVMDIEnumeratorMetadataKind 637 DIBasicTypeMetadataKind = C.LLVMDIBasicTypeMetadataKind 638 DIDerivedTypeMetadataKind = C.LLVMDIDerivedTypeMetadataKind 639 DICompositeTypeMetadataKind = C.LLVMDICompositeTypeMetadataKind 640 DISubroutineTypeMetadataKind = C.LLVMDISubroutineTypeMetadataKind 641 DIFileMetadataKind = C.LLVMDIFileMetadataKind 642 DICompileUnitMetadataKind = C.LLVMDICompileUnitMetadataKind 643 DISubprogramMetadataKind = C.LLVMDISubprogramMetadataKind 644 DILexicalBlockMetadataKind = C.LLVMDILexicalBlockMetadataKind 645 DILexicalBlockFileMetadataKind = C.LLVMDILexicalBlockFileMetadataKind 646 DINamespaceMetadataKind = C.LLVMDINamespaceMetadataKind 647 DIModuleMetadataKind = C.LLVMDIModuleMetadataKind 648 DITemplateTypeParameterMetadataKind = C.LLVMDITemplateTypeParameterMetadataKind 649 DITemplateValueParameterMetadataKind = C.LLVMDITemplateValueParameterMetadataKind 650 DIGlobalVariableMetadataKind = C.LLVMDIGlobalVariableMetadataKind 651 DILocalVariableMetadataKind = C.LLVMDILocalVariableMetadataKind 652 DILabelMetadataKind = C.LLVMDILabelMetadataKind 653 DIObjCPropertyMetadataKind = C.LLVMDIObjCPropertyMetadataKind 654 DIImportedEntityMetadataKind = C.LLVMDIImportedEntityMetadataKind 655 DIMacroMetadataKind = C.LLVMDIMacroMetadataKind 656 DIMacroFileMetadataKind = C.LLVMDIMacroFileMetadataKind 657 DICommonBlockMetadataKind = C.LLVMDICommonBlockMetadataKind 658 ) 659 660 // Kind returns the metadata kind. 661 func (md Metadata) Kind() MetadataKind { 662 return MetadataKind(C.LLVMGetMetadataKind(md.C)) 663 } 664 665 // FileDirectory returns the directory of a DIFile metadata node. 666 func (md Metadata) FileDirectory() string { 667 var length C.unsigned 668 ptr := C.LLVMDIFileGetDirectory(md.C, &length) 669 return string(((*[1 << 20]byte)(unsafe.Pointer(ptr)))[:length:length]) 670 } 671 672 // FileFilename returns the filename of a DIFile metadata node. 673 func (md Metadata) FileFilename() string { 674 var length C.unsigned 675 ptr := C.LLVMDIFileGetFilename(md.C, &length) 676 return string(((*[1 << 20]byte)(unsafe.Pointer(ptr)))[:length:length]) 677 } 678 679 // FileSource returns the source of a DIFile metadata node. 680 func (md Metadata) FileSource() string { 681 var length C.unsigned 682 ptr := C.LLVMDIFileGetSource(md.C, &length) 683 return string(((*[1 << 20]byte)(unsafe.Pointer(ptr)))[:length:length]) 684 } 685 686 // LocationLine returns the line number of a DILocation. 687 func (md Metadata) LocationLine() uint { 688 return uint(C.LLVMDILocationGetLine(md.C)) 689 } 690 691 // LocationColumn returns the column (offset from the start of the line) of a 692 // DILocation. 693 func (md Metadata) LocationColumn() uint { 694 return uint(C.LLVMDILocationGetColumn(md.C)) 695 } 696 697 // LocationScope returns the local scope associated with this debug location. 698 func (md Metadata) LocationScope() Metadata { 699 return Metadata{C.LLVMDILocationGetScope(md.C)} 700 } 701 702 // LocationInlinedAt return the "inline at" location associated with this debug 703 // location. 704 func (md Metadata) LocationInlinedAt() Metadata { 705 return Metadata{C.LLVMDILocationGetInlinedAt(md.C)} 706 } 707 708 // ScopeFile returns the file (DIFile) of a given scope. 709 func (md Metadata) ScopeFile() Metadata { 710 return Metadata{C.LLVMDIScopeGetFile(md.C)} 711 } 712
Indexes created Mon Jun 08 00:24:58 UTC 2026