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Diffstat (limited to 'src/debug/dwarf/const.go')
| -rw-r--r-- | src/debug/dwarf/const.go | 475 |
1 files changed, 475 insertions, 0 deletions
diff --git a/src/debug/dwarf/const.go b/src/debug/dwarf/const.go new file mode 100644 index 0000000..c607091 --- /dev/null +++ b/src/debug/dwarf/const.go @@ -0,0 +1,475 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Constants + +package dwarf + +//go:generate stringer -type Attr -trimprefix=Attr + +// An Attr identifies the attribute type in a DWARF Entry's Field. +type Attr uint32 + +const ( + AttrSibling Attr = 0x01 + AttrLocation Attr = 0x02 + AttrName Attr = 0x03 + AttrOrdering Attr = 0x09 + AttrByteSize Attr = 0x0B + AttrBitOffset Attr = 0x0C + AttrBitSize Attr = 0x0D + AttrStmtList Attr = 0x10 + AttrLowpc Attr = 0x11 + AttrHighpc Attr = 0x12 + AttrLanguage Attr = 0x13 + AttrDiscr Attr = 0x15 + AttrDiscrValue Attr = 0x16 + AttrVisibility Attr = 0x17 + AttrImport Attr = 0x18 + AttrStringLength Attr = 0x19 + AttrCommonRef Attr = 0x1A + AttrCompDir Attr = 0x1B + AttrConstValue Attr = 0x1C + AttrContainingType Attr = 0x1D + AttrDefaultValue Attr = 0x1E + AttrInline Attr = 0x20 + AttrIsOptional Attr = 0x21 + AttrLowerBound Attr = 0x22 + AttrProducer Attr = 0x25 + AttrPrototyped Attr = 0x27 + AttrReturnAddr Attr = 0x2A + AttrStartScope Attr = 0x2C + AttrStrideSize Attr = 0x2E + AttrUpperBound Attr = 0x2F + AttrAbstractOrigin Attr = 0x31 + AttrAccessibility Attr = 0x32 + AttrAddrClass Attr = 0x33 + AttrArtificial Attr = 0x34 + AttrBaseTypes Attr = 0x35 + AttrCalling Attr = 0x36 + AttrCount Attr = 0x37 + AttrDataMemberLoc Attr = 0x38 + AttrDeclColumn Attr = 0x39 + AttrDeclFile Attr = 0x3A + AttrDeclLine Attr = 0x3B + AttrDeclaration Attr = 0x3C + AttrDiscrList Attr = 0x3D + AttrEncoding Attr = 0x3E + AttrExternal Attr = 0x3F + AttrFrameBase Attr = 0x40 + AttrFriend Attr = 0x41 + AttrIdentifierCase Attr = 0x42 + AttrMacroInfo Attr = 0x43 + AttrNamelistItem Attr = 0x44 + AttrPriority Attr = 0x45 + AttrSegment Attr = 0x46 + AttrSpecification Attr = 0x47 + AttrStaticLink Attr = 0x48 + AttrType Attr = 0x49 + AttrUseLocation Attr = 0x4A + AttrVarParam Attr = 0x4B + AttrVirtuality Attr = 0x4C + AttrVtableElemLoc Attr = 0x4D + // The following are new in DWARF 3. + AttrAllocated Attr = 0x4E + AttrAssociated Attr = 0x4F + AttrDataLocation Attr = 0x50 + AttrStride Attr = 0x51 + AttrEntrypc Attr = 0x52 + AttrUseUTF8 Attr = 0x53 + AttrExtension Attr = 0x54 + AttrRanges Attr = 0x55 + AttrTrampoline Attr = 0x56 + AttrCallColumn Attr = 0x57 + AttrCallFile Attr = 0x58 + AttrCallLine Attr = 0x59 + AttrDescription Attr = 0x5A + AttrBinaryScale Attr = 0x5B + AttrDecimalScale Attr = 0x5C + AttrSmall Attr = 0x5D + AttrDecimalSign Attr = 0x5E + AttrDigitCount Attr = 0x5F + AttrPictureString Attr = 0x60 + AttrMutable Attr = 0x61 + AttrThreadsScaled Attr = 0x62 + AttrExplicit Attr = 0x63 + AttrObjectPointer Attr = 0x64 + AttrEndianity Attr = 0x65 + AttrElemental Attr = 0x66 + AttrPure Attr = 0x67 + AttrRecursive Attr = 0x68 + // The following are new in DWARF 4. + AttrSignature Attr = 0x69 + AttrMainSubprogram Attr = 0x6A + AttrDataBitOffset Attr = 0x6B + AttrConstExpr Attr = 0x6C + AttrEnumClass Attr = 0x6D + AttrLinkageName Attr = 0x6E + // The following are new in DWARF 5. + AttrStringLengthBitSize Attr = 0x6F + AttrStringLengthByteSize Attr = 0x70 + AttrRank Attr = 0x71 + AttrStrOffsetsBase Attr = 0x72 + AttrAddrBase Attr = 0x73 + AttrRnglistsBase Attr = 0x74 + AttrDwoName Attr = 0x76 + AttrReference Attr = 0x77 + AttrRvalueReference Attr = 0x78 + AttrMacros Attr = 0x79 + AttrCallAllCalls Attr = 0x7A + AttrCallAllSourceCalls Attr = 0x7B + AttrCallAllTailCalls Attr = 0x7C + AttrCallReturnPC Attr = 0x7D + AttrCallValue Attr = 0x7E + AttrCallOrigin Attr = 0x7F + AttrCallParameter Attr = 0x80 + AttrCallPC Attr = 0x81 + AttrCallTailCall Attr = 0x82 + AttrCallTarget Attr = 0x83 + AttrCallTargetClobbered Attr = 0x84 + AttrCallDataLocation Attr = 0x85 + AttrCallDataValue Attr = 0x86 + AttrNoreturn Attr = 0x87 + AttrAlignment Attr = 0x88 + AttrExportSymbols Attr = 0x89 + AttrDeleted Attr = 0x8A + AttrDefaulted Attr = 0x8B + AttrLoclistsBase Attr = 0x8C +) + +func (a Attr) GoString() string { + if str, ok := _Attr_map[a]; ok { + return "dwarf.Attr" + str + } + return "dwarf." + a.String() +} + +// A format is a DWARF data encoding format. +type format uint32 + +const ( + // value formats + formAddr format = 0x01 + formDwarfBlock2 format = 0x03 + formDwarfBlock4 format = 0x04 + formData2 format = 0x05 + formData4 format = 0x06 + formData8 format = 0x07 + formString format = 0x08 + formDwarfBlock format = 0x09 + formDwarfBlock1 format = 0x0A + formData1 format = 0x0B + formFlag format = 0x0C + formSdata format = 0x0D + formStrp format = 0x0E + formUdata format = 0x0F + formRefAddr format = 0x10 + formRef1 format = 0x11 + formRef2 format = 0x12 + formRef4 format = 0x13 + formRef8 format = 0x14 + formRefUdata format = 0x15 + formIndirect format = 0x16 + // The following are new in DWARF 4. + formSecOffset format = 0x17 + formExprloc format = 0x18 + formFlagPresent format = 0x19 + formRefSig8 format = 0x20 + // The following are new in DWARF 5. + formStrx format = 0x1A + formAddrx format = 0x1B + formRefSup4 format = 0x1C + formStrpSup format = 0x1D + formData16 format = 0x1E + formLineStrp format = 0x1F + formImplicitConst format = 0x21 + formLoclistx format = 0x22 + formRnglistx format = 0x23 + formRefSup8 format = 0x24 + formStrx1 format = 0x25 + formStrx2 format = 0x26 + formStrx3 format = 0x27 + formStrx4 format = 0x28 + formAddrx1 format = 0x29 + formAddrx2 format = 0x2A + formAddrx3 format = 0x2B + formAddrx4 format = 0x2C + // Extensions for multi-file compression (.dwz) + // http://www.dwarfstd.org/ShowIssue.php?issue=120604.1 + formGnuRefAlt format = 0x1f20 + formGnuStrpAlt format = 0x1f21 +) + +//go:generate stringer -type Tag -trimprefix=Tag + +// A Tag is the classification (the type) of an Entry. +type Tag uint32 + +const ( + TagArrayType Tag = 0x01 + TagClassType Tag = 0x02 + TagEntryPoint Tag = 0x03 + TagEnumerationType Tag = 0x04 + TagFormalParameter Tag = 0x05 + TagImportedDeclaration Tag = 0x08 + TagLabel Tag = 0x0A + TagLexDwarfBlock Tag = 0x0B + TagMember Tag = 0x0D + TagPointerType Tag = 0x0F + TagReferenceType Tag = 0x10 + TagCompileUnit Tag = 0x11 + TagStringType Tag = 0x12 + TagStructType Tag = 0x13 + TagSubroutineType Tag = 0x15 + TagTypedef Tag = 0x16 + TagUnionType Tag = 0x17 + TagUnspecifiedParameters Tag = 0x18 + TagVariant Tag = 0x19 + TagCommonDwarfBlock Tag = 0x1A + TagCommonInclusion Tag = 0x1B + TagInheritance Tag = 0x1C + TagInlinedSubroutine Tag = 0x1D + TagModule Tag = 0x1E + TagPtrToMemberType Tag = 0x1F + TagSetType Tag = 0x20 + TagSubrangeType Tag = 0x21 + TagWithStmt Tag = 0x22 + TagAccessDeclaration Tag = 0x23 + TagBaseType Tag = 0x24 + TagCatchDwarfBlock Tag = 0x25 + TagConstType Tag = 0x26 + TagConstant Tag = 0x27 + TagEnumerator Tag = 0x28 + TagFileType Tag = 0x29 + TagFriend Tag = 0x2A + TagNamelist Tag = 0x2B + TagNamelistItem Tag = 0x2C + TagPackedType Tag = 0x2D + TagSubprogram Tag = 0x2E + TagTemplateTypeParameter Tag = 0x2F + TagTemplateValueParameter Tag = 0x30 + TagThrownType Tag = 0x31 + TagTryDwarfBlock Tag = 0x32 + TagVariantPart Tag = 0x33 + TagVariable Tag = 0x34 + TagVolatileType Tag = 0x35 + // The following are new in DWARF 3. + TagDwarfProcedure Tag = 0x36 + TagRestrictType Tag = 0x37 + TagInterfaceType Tag = 0x38 + TagNamespace Tag = 0x39 + TagImportedModule Tag = 0x3A + TagUnspecifiedType Tag = 0x3B + TagPartialUnit Tag = 0x3C + TagImportedUnit Tag = 0x3D + TagMutableType Tag = 0x3E // Later removed from DWARF. + TagCondition Tag = 0x3F + TagSharedType Tag = 0x40 + // The following are new in DWARF 4. + TagTypeUnit Tag = 0x41 + TagRvalueReferenceType Tag = 0x42 + TagTemplateAlias Tag = 0x43 + // The following are new in DWARF 5. + TagCoarrayType Tag = 0x44 + TagGenericSubrange Tag = 0x45 + TagDynamicType Tag = 0x46 + TagAtomicType Tag = 0x47 + TagCallSite Tag = 0x48 + TagCallSiteParameter Tag = 0x49 + TagSkeletonUnit Tag = 0x4A + TagImmutableType Tag = 0x4B +) + +func (t Tag) GoString() string { + if t <= TagTemplateAlias { + return "dwarf.Tag" + t.String() + } + return "dwarf." + t.String() +} + +// Location expression operators. +// The debug info encodes value locations like 8(R3) +// as a sequence of these op codes. +// This package does not implement full expressions; +// the opPlusUconst operator is expected by the type parser. +const ( + opAddr = 0x03 /* 1 op, const addr */ + opDeref = 0x06 + opConst1u = 0x08 /* 1 op, 1 byte const */ + opConst1s = 0x09 /* " signed */ + opConst2u = 0x0A /* 1 op, 2 byte const */ + opConst2s = 0x0B /* " signed */ + opConst4u = 0x0C /* 1 op, 4 byte const */ + opConst4s = 0x0D /* " signed */ + opConst8u = 0x0E /* 1 op, 8 byte const */ + opConst8s = 0x0F /* " signed */ + opConstu = 0x10 /* 1 op, LEB128 const */ + opConsts = 0x11 /* " signed */ + opDup = 0x12 + opDrop = 0x13 + opOver = 0x14 + opPick = 0x15 /* 1 op, 1 byte stack index */ + opSwap = 0x16 + opRot = 0x17 + opXderef = 0x18 + opAbs = 0x19 + opAnd = 0x1A + opDiv = 0x1B + opMinus = 0x1C + opMod = 0x1D + opMul = 0x1E + opNeg = 0x1F + opNot = 0x20 + opOr = 0x21 + opPlus = 0x22 + opPlusUconst = 0x23 /* 1 op, ULEB128 addend */ + opShl = 0x24 + opShr = 0x25 + opShra = 0x26 + opXor = 0x27 + opSkip = 0x2F /* 1 op, signed 2-byte constant */ + opBra = 0x28 /* 1 op, signed 2-byte constant */ + opEq = 0x29 + opGe = 0x2A + opGt = 0x2B + opLe = 0x2C + opLt = 0x2D + opNe = 0x2E + opLit0 = 0x30 + /* OpLitN = OpLit0 + N for N = 0..31 */ + opReg0 = 0x50 + /* OpRegN = OpReg0 + N for N = 0..31 */ + opBreg0 = 0x70 /* 1 op, signed LEB128 constant */ + /* OpBregN = OpBreg0 + N for N = 0..31 */ + opRegx = 0x90 /* 1 op, ULEB128 register */ + opFbreg = 0x91 /* 1 op, SLEB128 offset */ + opBregx = 0x92 /* 2 op, ULEB128 reg; SLEB128 off */ + opPiece = 0x93 /* 1 op, ULEB128 size of piece */ + opDerefSize = 0x94 /* 1-byte size of data retrieved */ + opXderefSize = 0x95 /* 1-byte size of data retrieved */ + opNop = 0x96 + // The following are new in DWARF 3. + opPushObjAddr = 0x97 + opCall2 = 0x98 /* 2-byte offset of DIE */ + opCall4 = 0x99 /* 4-byte offset of DIE */ + opCallRef = 0x9A /* 4- or 8- byte offset of DIE */ + opFormTLSAddress = 0x9B + opCallFrameCFA = 0x9C + opBitPiece = 0x9D + // The following are new in DWARF 4. + opImplicitValue = 0x9E + opStackValue = 0x9F + // The following a new in DWARF 5. + opImplicitPointer = 0xA0 + opAddrx = 0xA1 + opConstx = 0xA2 + opEntryValue = 0xA3 + opConstType = 0xA4 + opRegvalType = 0xA5 + opDerefType = 0xA6 + opXderefType = 0xA7 + opConvert = 0xA8 + opReinterpret = 0xA9 + /* 0xE0-0xFF reserved for user-specific */ +) + +// Basic type encodings -- the value for AttrEncoding in a TagBaseType Entry. +const ( + encAddress = 0x01 + encBoolean = 0x02 + encComplexFloat = 0x03 + encFloat = 0x04 + encSigned = 0x05 + encSignedChar = 0x06 + encUnsigned = 0x07 + encUnsignedChar = 0x08 + // The following are new in DWARF 3. + encImaginaryFloat = 0x09 + encPackedDecimal = 0x0A + encNumericString = 0x0B + encEdited = 0x0C + encSignedFixed = 0x0D + encUnsignedFixed = 0x0E + encDecimalFloat = 0x0F + // The following are new in DWARF 4. + encUTF = 0x10 + // The following are new in DWARF 5. + encUCS = 0x11 + encASCII = 0x12 +) + +// Statement program standard opcode encodings. +const ( + lnsCopy = 1 + lnsAdvancePC = 2 + lnsAdvanceLine = 3 + lnsSetFile = 4 + lnsSetColumn = 5 + lnsNegateStmt = 6 + lnsSetBasicBlock = 7 + lnsConstAddPC = 8 + lnsFixedAdvancePC = 9 + + // DWARF 3 + lnsSetPrologueEnd = 10 + lnsSetEpilogueBegin = 11 + lnsSetISA = 12 +) + +// Statement program extended opcode encodings. +const ( + lneEndSequence = 1 + lneSetAddress = 2 + lneDefineFile = 3 + + // DWARF 4 + lneSetDiscriminator = 4 +) + +// Line table directory directory and file name entry formats. +// These are new in DWARF 5. +const ( + lnctPath = 0x01 + lnctDirectoryIndex = 0x02 + lnctTimestamp = 0x03 + lnctSize = 0x04 + lnctMD5 = 0x05 +) + +// Location list entry codes. +// These are new in DWARF 5. +const ( + lleEndOfList = 0x00 + lleBaseAddressx = 0x01 + lleStartxEndx = 0x02 + lleStartxLength = 0x03 + lleOffsetPair = 0x04 + lleDefaultLocation = 0x05 + lleBaseAddress = 0x06 + lleStartEnd = 0x07 + lleStartLength = 0x08 +) + +// Unit header unit type encodings. +// These are new in DWARF 5. +const ( + utCompile = 0x01 + utType = 0x02 + utPartial = 0x03 + utSkeleton = 0x04 + utSplitCompile = 0x05 + utSplitType = 0x06 +) + +// Opcodes for DWARFv5 debug_rnglists section. +const ( + rleEndOfList = 0x0 + rleBaseAddressx = 0x1 + rleStartxEndx = 0x2 + rleStartxLength = 0x3 + rleOffsetPair = 0x4 + rleBaseAddress = 0x5 + rleStartEnd = 0x6 + rleStartLength = 0x7 +) |