Adding upstream version 1.20.14.upstream/1.20.14upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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..c0a74b0
--- /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 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
+)