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      1 //===- CodeView.h -----------------------------------------------*- C++ -*-===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 #ifndef LLVM_DEBUGINFO_CODEVIEW_CODEVIEW_H
     11 #define LLVM_DEBUGINFO_CODEVIEW_CODEVIEW_H
     12 
     13 #include <cinttypes>
     14 #include <type_traits>
     15 
     16 namespace llvm {
     17 namespace codeview {
     18 
     19 /// Distinguishes individual records in .debug$T section or PDB type stream. The
     20 /// documentation and headers talk about this as the "leaf" type.
     21 enum class TypeRecordKind : uint16_t {
     22 #define TYPE_RECORD(lf_ename, value, name) name = value,
     23 #include "TypeRecords.def"
     24   // FIXME: Add serialization support
     25   FieldList = 0x1203,
     26 };
     27 
     28 /// Duplicate copy of the above enum, but using the official CV names. Useful
     29 /// for reference purposes and when dealing with unknown record types.
     30 enum TypeLeafKind : uint16_t {
     31 #define CV_TYPE(name, val) name = val,
     32 #include "TypeRecords.def"
     33 };
     34 
     35 /// Distinguishes individual records in the Symbols subsection of a .debug$S
     36 /// section. Equivalent to SYM_ENUM_e in cvinfo.h.
     37 enum class SymbolRecordKind : uint16_t {
     38 #define SYMBOL_RECORD(lf_ename, value, name) name = value,
     39 #include "CVSymbolTypes.def"
     40 };
     41 
     42 /// Duplicate copy of the above enum, but using the official CV names. Useful
     43 /// for reference purposes and when dealing with unknown record types.
     44 enum SymbolKind : uint16_t {
     45 #define CV_SYMBOL(name, val) name = val,
     46 #include "CVSymbolTypes.def"
     47 };
     48 
     49 #define CV_DEFINE_ENUM_CLASS_FLAGS_OPERATORS(Class)                            \
     50   inline Class operator|(Class a, Class b) {                                   \
     51     return static_cast<Class>(                                                 \
     52         static_cast<std::underlying_type<Class>::type>(a) |                    \
     53         static_cast<std::underlying_type<Class>::type>(b));                    \
     54   }                                                                            \
     55   inline Class operator&(Class a, Class b) {                                   \
     56     return static_cast<Class>(                                                 \
     57         static_cast<std::underlying_type<Class>::type>(a) &                    \
     58         static_cast<std::underlying_type<Class>::type>(b));                    \
     59   }                                                                            \
     60   inline Class operator~(Class a) {                                            \
     61     return static_cast<Class>(                                                 \
     62         ~static_cast<std::underlying_type<Class>::type>(a));                   \
     63   }                                                                            \
     64   inline Class &operator|=(Class &a, Class b) {                                \
     65     a = a | b;                                                                 \
     66     return a;                                                                  \
     67   }                                                                            \
     68   inline Class &operator&=(Class &a, Class b) {                                \
     69     a = a & b;                                                                 \
     70     return a;                                                                  \
     71   }
     72 
     73 /// These values correspond to the CV_CPU_TYPE_e enumeration, and are documented
     74 /// here: https://msdn.microsoft.com/en-us/library/b2fc64ek.aspx
     75 enum class CPUType : uint16_t {
     76   Intel8080 = 0x0,
     77   Intel8086 = 0x1,
     78   Intel80286 = 0x2,
     79   Intel80386 = 0x3,
     80   Intel80486 = 0x4,
     81   Pentium = 0x5,
     82   PentiumPro = 0x6,
     83   Pentium3 = 0x7,
     84   MIPS = 0x10,
     85   MIPS16 = 0x11,
     86   MIPS32 = 0x12,
     87   MIPS64 = 0x13,
     88   MIPSI = 0x14,
     89   MIPSII = 0x15,
     90   MIPSIII = 0x16,
     91   MIPSIV = 0x17,
     92   MIPSV = 0x18,
     93   M68000 = 0x20,
     94   M68010 = 0x21,
     95   M68020 = 0x22,
     96   M68030 = 0x23,
     97   M68040 = 0x24,
     98   Alpha = 0x30,
     99   Alpha21164 = 0x31,
    100   Alpha21164A = 0x32,
    101   Alpha21264 = 0x33,
    102   Alpha21364 = 0x34,
    103   PPC601 = 0x40,
    104   PPC603 = 0x41,
    105   PPC604 = 0x42,
    106   PPC620 = 0x43,
    107   PPCFP = 0x44,
    108   PPCBE = 0x45,
    109   SH3 = 0x50,
    110   SH3E = 0x51,
    111   SH3DSP = 0x52,
    112   SH4 = 0x53,
    113   SHMedia = 0x54,
    114   ARM3 = 0x60,
    115   ARM4 = 0x61,
    116   ARM4T = 0x62,
    117   ARM5 = 0x63,
    118   ARM5T = 0x64,
    119   ARM6 = 0x65,
    120   ARM_XMAC = 0x66,
    121   ARM_WMMX = 0x67,
    122   ARM7 = 0x68,
    123   Omni = 0x70,
    124   Ia64 = 0x80,
    125   Ia64_2 = 0x81,
    126   CEE = 0x90,
    127   AM33 = 0xa0,
    128   M32R = 0xb0,
    129   TriCore = 0xc0,
    130   X64 = 0xd0,
    131   EBC = 0xe0,
    132   Thumb = 0xf0,
    133   ARMNT = 0xf4,
    134   D3D11_Shader = 0x100,
    135 };
    136 
    137 /// These values correspond to the CV_CFL_LANG enumeration, and are documented
    138 /// here: https://msdn.microsoft.com/en-us/library/bw3aekw6.aspx
    139 enum SourceLanguage : uint8_t {
    140   C = 0x00,
    141   Cpp = 0x01,
    142   Fortran = 0x02,
    143   Masm = 0x03,
    144   Pascal = 0x04,
    145   Basic = 0x05,
    146   Cobol = 0x06,
    147   Link = 0x07,
    148   Cvtres = 0x08,
    149   Cvtpgd = 0x09,
    150   CSharp = 0x0a,
    151   VB = 0x0b,
    152   ILAsm = 0x0c,
    153   Java = 0x0d,
    154   JScript = 0x0e,
    155   MSIL = 0x0f,
    156   HLSL = 0x10
    157 };
    158 
    159 /// These values correspond to the CV_call_e enumeration, and are documented
    160 /// at the following locations:
    161 ///   https://msdn.microsoft.com/en-us/library/b2fc64ek.aspx
    162 ///   https://msdn.microsoft.com/en-us/library/windows/desktop/ms680207(v=vs.85).aspx
    163 ///
    164 enum class CallingConvention : uint8_t {
    165   NearC = 0x00,       // near right to left push, caller pops stack
    166   FarC = 0x01,        // far right to left push, caller pops stack
    167   NearPascal = 0x02,  // near left to right push, callee pops stack
    168   FarPascal = 0x03,   // far left to right push, callee pops stack
    169   NearFast = 0x04,    // near left to right push with regs, callee pops stack
    170   FarFast = 0x05,     // far left to right push with regs, callee pops stack
    171   NearStdCall = 0x07, // near standard call
    172   FarStdCall = 0x08,  // far standard call
    173   NearSysCall = 0x09, // near sys call
    174   FarSysCall = 0x0a,  // far sys call
    175   ThisCall = 0x0b,    // this call (this passed in register)
    176   MipsCall = 0x0c,    // Mips call
    177   Generic = 0x0d,     // Generic call sequence
    178   AlphaCall = 0x0e,   // Alpha call
    179   PpcCall = 0x0f,     // PPC call
    180   SHCall = 0x10,      // Hitachi SuperH call
    181   ArmCall = 0x11,     // ARM call
    182   AM33Call = 0x12,    // AM33 call
    183   TriCall = 0x13,     // TriCore Call
    184   SH5Call = 0x14,     // Hitachi SuperH-5 call
    185   M32RCall = 0x15,    // M32R Call
    186   ClrCall = 0x16,     // clr call
    187   Inline =
    188       0x17, // Marker for routines always inlined and thus lacking a convention
    189   NearVector = 0x18 // near left to right push with regs, callee pops stack
    190 };
    191 
    192 enum class ClassOptions : uint16_t {
    193   None = 0x0000,
    194   Packed = 0x0001,
    195   HasConstructorOrDestructor = 0x0002,
    196   HasOverloadedOperator = 0x0004,
    197   Nested = 0x0008,
    198   ContainsNestedClass = 0x0010,
    199   HasOverloadedAssignmentOperator = 0x0020,
    200   HasConversionOperator = 0x0040,
    201   ForwardReference = 0x0080,
    202   Scoped = 0x0100,
    203   HasUniqueName = 0x0200,
    204   Sealed = 0x0400,
    205   Intrinsic = 0x2000
    206 };
    207 CV_DEFINE_ENUM_CLASS_FLAGS_OPERATORS(ClassOptions)
    208 
    209 enum class FrameProcedureOptions : uint32_t {
    210   None = 0x00000000,
    211   HasAlloca = 0x00000001,
    212   HasSetJmp = 0x00000002,
    213   HasLongJmp = 0x00000004,
    214   HasInlineAssembly = 0x00000008,
    215   HasExceptionHandling = 0x00000010,
    216   MarkedInline = 0x00000020,
    217   HasStructuredExceptionHandling = 0x00000040,
    218   Naked = 0x00000080,
    219   SecurityChecks = 0x00000100,
    220   AsynchronousExceptionHandling = 0x00000200,
    221   NoStackOrderingForSecurityChecks = 0x00000400,
    222   Inlined = 0x00000800,
    223   StrictSecurityChecks = 0x00001000,
    224   SafeBuffers = 0x00002000,
    225   ProfileGuidedOptimization = 0x00040000,
    226   ValidProfileCounts = 0x00080000,
    227   OptimizedForSpeed = 0x00100000,
    228   GuardCfg = 0x00200000,
    229   GuardCfw = 0x00400000
    230 };
    231 CV_DEFINE_ENUM_CLASS_FLAGS_OPERATORS(FrameProcedureOptions)
    232 
    233 enum class FunctionOptions : uint8_t {
    234   None = 0x00,
    235   CxxReturnUdt = 0x01,
    236   Constructor = 0x02,
    237   ConstructorWithVirtualBases = 0x04
    238 };
    239 CV_DEFINE_ENUM_CLASS_FLAGS_OPERATORS(FunctionOptions)
    240 
    241 enum class HfaKind : uint8_t {
    242   None = 0x00,
    243   Float = 0x01,
    244   Double = 0x02,
    245   Other = 0x03
    246 };
    247 
    248 /// Source-level access specifier. (CV_access_e)
    249 enum class MemberAccess : uint8_t {
    250   None = 0,
    251   Private = 1,
    252   Protected = 2,
    253   Public = 3
    254 };
    255 
    256 /// Part of member attribute flags. (CV_methodprop_e)
    257 enum class MethodKind : uint8_t {
    258   Vanilla = 0x00,
    259   Virtual = 0x01,
    260   Static = 0x02,
    261   Friend = 0x03,
    262   IntroducingVirtual = 0x04,
    263   PureVirtual = 0x05,
    264   PureIntroducingVirtual = 0x06
    265 };
    266 
    267 /// Equivalent to CV_fldattr_t bitfield.
    268 enum class MethodOptions : uint16_t {
    269   None = 0x0000,
    270   AccessMask = 0x0003,
    271   MethodKindMask = 0x001c,
    272   Pseudo = 0x0020,
    273   NoInherit = 0x0040,
    274   NoConstruct = 0x0080,
    275   CompilerGenerated = 0x0100,
    276   Sealed = 0x0200
    277 };
    278 CV_DEFINE_ENUM_CLASS_FLAGS_OPERATORS(MethodOptions)
    279 
    280 /// Equivalent to CV_modifier_t.
    281 enum class ModifierOptions : uint16_t {
    282   None = 0x0000,
    283   Const = 0x0001,
    284   Volatile = 0x0002,
    285   Unaligned = 0x0004
    286 };
    287 CV_DEFINE_ENUM_CLASS_FLAGS_OPERATORS(ModifierOptions)
    288 
    289 enum class ModuleSubstreamKind : uint32_t {
    290   None = 0,
    291   Symbols = 0xf1,
    292   Lines = 0xf2,
    293   StringTable = 0xf3,
    294   FileChecksums = 0xf4,
    295   FrameData = 0xf5,
    296   InlineeLines = 0xf6,
    297   CrossScopeImports = 0xf7,
    298   CrossScopeExports = 0xf8,
    299 
    300   // These appear to relate to .Net assembly info.
    301   ILLines = 0xf9,
    302   FuncMDTokenMap = 0xfa,
    303   TypeMDTokenMap = 0xfb,
    304   MergedAssemblyInput = 0xfc,
    305 
    306   CoffSymbolRVA = 0xfd,
    307 };
    308 
    309 /// Equivalent to CV_ptrtype_e.
    310 enum class PointerKind : uint8_t {
    311   Near16 = 0x00,                // 16 bit pointer
    312   Far16 = 0x01,                 // 16:16 far pointer
    313   Huge16 = 0x02,                // 16:16 huge pointer
    314   BasedOnSegment = 0x03,        // based on segment
    315   BasedOnValue = 0x04,          // based on value of base
    316   BasedOnSegmentValue = 0x05,   // based on segment value of base
    317   BasedOnAddress = 0x06,        // based on address of base
    318   BasedOnSegmentAddress = 0x07, // based on segment address of base
    319   BasedOnType = 0x08,           // based on type
    320   BasedOnSelf = 0x09,           // based on self
    321   Near32 = 0x0a,                // 32 bit pointer
    322   Far32 = 0x0b,                 // 16:32 pointer
    323   Near64 = 0x0c                 // 64 bit pointer
    324 };
    325 
    326 /// Equivalent to CV_ptrmode_e.
    327 enum class PointerMode : uint8_t {
    328   Pointer = 0x00,                 // "normal" pointer
    329   LValueReference = 0x01,         // "old" reference
    330   PointerToDataMember = 0x02,     // pointer to data member
    331   PointerToMemberFunction = 0x03, // pointer to member function
    332   RValueReference = 0x04          // r-value reference
    333 };
    334 
    335 /// Equivalent to misc lfPointerAttr bitfields.
    336 enum class PointerOptions : uint32_t {
    337   None = 0x00000000,
    338   Flat32 = 0x00000100,
    339   Volatile = 0x00000200,
    340   Const = 0x00000400,
    341   Unaligned = 0x00000800,
    342   Restrict = 0x00001000,
    343   WinRTSmartPointer = 0x00080000
    344 };
    345 CV_DEFINE_ENUM_CLASS_FLAGS_OPERATORS(PointerOptions)
    346 
    347 /// Equivalent to CV_pmtype_e.
    348 enum class PointerToMemberRepresentation : uint16_t {
    349   Unknown = 0x00,                     // not specified (pre VC8)
    350   SingleInheritanceData = 0x01,       // member data, single inheritance
    351   MultipleInheritanceData = 0x02,     // member data, multiple inheritance
    352   VirtualInheritanceData = 0x03,      // member data, virtual inheritance
    353   GeneralData = 0x04,                 // member data, most general
    354   SingleInheritanceFunction = 0x05,   // member function, single inheritance
    355   MultipleInheritanceFunction = 0x06, // member function, multiple inheritance
    356   VirtualInheritanceFunction = 0x07,  // member function, virtual inheritance
    357   GeneralFunction = 0x08              // member function, most general
    358 };
    359 
    360 enum class VFTableSlotKind : uint8_t {
    361   Near16 = 0x00,
    362   Far16 = 0x01,
    363   This = 0x02,
    364   Outer = 0x03,
    365   Meta = 0x04,
    366   Near = 0x05,
    367   Far = 0x06
    368 };
    369 
    370 enum class WindowsRTClassKind : uint8_t {
    371   None = 0x00,
    372   RefClass = 0x01,
    373   ValueClass = 0x02,
    374   Interface = 0x03
    375 };
    376 
    377 /// Corresponds to CV_LVARFLAGS bitfield.
    378 enum class LocalSymFlags : uint16_t {
    379   None = 0,
    380   IsParameter = 1 << 0,
    381   IsAddressTaken = 1 << 1,
    382   IsCompilerGenerated = 1 << 2,
    383   IsAggregate = 1 << 3,
    384   IsAggregated = 1 << 4,
    385   IsAliased = 1 << 5,
    386   IsAlias = 1 << 6,
    387   IsReturnValue = 1 << 7,
    388   IsOptimizedOut = 1 << 8,
    389   IsEnregisteredGlobal = 1 << 9,
    390   IsEnregisteredStatic = 1 << 10,
    391 };
    392 CV_DEFINE_ENUM_CLASS_FLAGS_OPERATORS(LocalSymFlags)
    393 
    394 /// Corresponds to the CV_PROCFLAGS bitfield.
    395 enum class ProcSymFlags : uint8_t {
    396   None = 0,
    397   HasFP = 1 << 0,
    398   HasIRET = 1 << 1,
    399   HasFRET = 1 << 2,
    400   IsNoReturn = 1 << 3,
    401   IsUnreachable = 1 << 4,
    402   HasCustomCallingConv = 1 << 5,
    403   IsNoInline = 1 << 6,
    404   HasOptimizedDebugInfo = 1 << 7,
    405 };
    406 CV_DEFINE_ENUM_CLASS_FLAGS_OPERATORS(ProcSymFlags)
    407 
    408 /// Corresponds to COMPILESYM2::Flags bitfield.
    409 enum class CompileSym2Flags : uint32_t {
    410   EC = 1 << 8,
    411   NoDbgInfo = 1 << 9,
    412   LTCG = 1 << 10,
    413   NoDataAlign = 1 << 11,
    414   ManagedPresent = 1 << 12,
    415   SecurityChecks = 1 << 13,
    416   HotPatch = 1 << 14,
    417   CVTCIL = 1 << 15,
    418   MSILModule = 1 << 16,
    419 };
    420 CV_DEFINE_ENUM_CLASS_FLAGS_OPERATORS(CompileSym2Flags)
    421 
    422 /// Corresponds to COMPILESYM3::Flags bitfield.
    423 enum class CompileSym3Flags : uint32_t {
    424   EC = 1 << 8,
    425   NoDbgInfo = 1 << 9,
    426   LTCG = 1 << 10,
    427   NoDataAlign = 1 << 11,
    428   ManagedPresent = 1 << 12,
    429   SecurityChecks = 1 << 13,
    430   HotPatch = 1 << 14,
    431   CVTCIL = 1 << 15,
    432   MSILModule = 1 << 16,
    433   Sdl = 1 << 17,
    434   PGO = 1 << 18,
    435   Exp = 1 << 19,
    436 };
    437 CV_DEFINE_ENUM_CLASS_FLAGS_OPERATORS(CompileSym3Flags)
    438 
    439 enum class ExportFlags : uint16_t {
    440   IsConstant = 1 << 0,
    441   IsData = 1 << 1,
    442   IsPrivate = 1 << 2,
    443   HasNoName = 1 << 3,
    444   HasExplicitOrdinal = 1 << 4,
    445   IsForwarder = 1 << 5
    446 };
    447 CV_DEFINE_ENUM_CLASS_FLAGS_OPERATORS(ExportFlags)
    448 
    449 // Corresponds to BinaryAnnotationOpcode enum.
    450 enum class BinaryAnnotationsOpCode : uint32_t {
    451   Invalid,
    452   CodeOffset,
    453   ChangeCodeOffsetBase,
    454   ChangeCodeOffset,
    455   ChangeCodeLength,
    456   ChangeFile,
    457   ChangeLineOffset,
    458   ChangeLineEndDelta,
    459   ChangeRangeKind,
    460   ChangeColumnStart,
    461   ChangeColumnEndDelta,
    462   ChangeCodeOffsetAndLineOffset,
    463   ChangeCodeLengthAndCodeOffset,
    464   ChangeColumnEnd,
    465 };
    466 
    467 // Corresponds to CV_cookietype_e enum.
    468 enum class FrameCookieKind : uint8_t {
    469   Copy,
    470   XorStackPointer,
    471   XorFramePointer,
    472   XorR13,
    473 };
    474 
    475 // Corresponds to CV_HREG_e enum.
    476 enum class RegisterId : uint16_t {
    477   Unknown = 0,
    478   VFrame = 30006,
    479   AL = 1,
    480   CL = 2,
    481   DL = 3,
    482   BL = 4,
    483   AH = 5,
    484   CH = 6,
    485   DH = 7,
    486   BH = 8,
    487   AX = 9,
    488   CX = 10,
    489   DX = 11,
    490   BX = 12,
    491   SP = 13,
    492   BP = 14,
    493   SI = 15,
    494   DI = 16,
    495   EAX = 17,
    496   ECX = 18,
    497   EDX = 19,
    498   EBX = 20,
    499   ESP = 21,
    500   EBP = 22,
    501   ESI = 23,
    502   EDI = 24,
    503   ES = 25,
    504   CS = 26,
    505   SS = 27,
    506   DS = 28,
    507   FS = 29,
    508   GS = 30,
    509   IP = 31,
    510   RAX = 328,
    511   RBX = 329,
    512   RCX = 330,
    513   RDX = 331,
    514   RSI = 332,
    515   RDI = 333,
    516   RBP = 334,
    517   RSP = 335,
    518   R8 = 336,
    519   R9 = 337,
    520   R10 = 338,
    521   R11 = 339,
    522   R12 = 340,
    523   R13 = 341,
    524   R14 = 342,
    525   R15 = 343,
    526 };
    527 
    528 /// These values correspond to the THUNK_ORDINAL enumeration.
    529 enum class ThunkOrdinal {
    530   Standard,
    531   ThisAdjustor,
    532   Vcall,
    533   Pcode,
    534   UnknownLoad,
    535   TrampIncremental,
    536   BranchIsland
    537 };
    538 
    539 enum class TrampolineType { TrampIncremental, BranchIsland };
    540 
    541 // These values correspond to the CV_SourceChksum_t enumeration.
    542 enum class FileChecksumKind : uint8_t { None, MD5, SHA1, SHA256 };
    543 
    544 enum LineFlags : uint32_t {
    545   HaveColumns = 1, // CV_LINES_HAVE_COLUMNS
    546 };
    547 }
    548 }
    549 
    550 #endif
    551