const InfoPrefix … const ConstInfoPrefix … const CUInfoPrefix … const AbstractFuncSuffix … var logDwarf … type Sym … type Var … type Scope … type Range … type FnState … func EnableLogging(doit bool) { … } // MergeRanges creates a new range list by merging the ranges from // its two arguments, then returns the new list. func MergeRanges(in1, in2 []Range) []Range { … } // UnifyRanges merges the ranges from 'c' into the list of ranges for 's'. func (s *Scope) UnifyRanges(c *Scope) { … } // AppendRange adds r to s, if r is non-empty. // If possible, it extends the last Range in s.Ranges; if not, it creates a new one. func (s *Scope) AppendRange(r Range) { … } type InlCalls … type InlCall … type Context … // AppendUleb128 appends v to b using DWARF's unsigned LEB128 encoding. func AppendUleb128(b []byte, v uint64) []byte { … } // AppendSleb128 appends v to b using DWARF's signed LEB128 encoding. func AppendSleb128(b []byte, v int64) []byte { … } var sevenbits … // sevenBitU returns the unsigned LEB128 encoding of v if v is seven bits and nil otherwise. // The contents of the returned slice must not be modified. func sevenBitU(v int64) []byte { … } // sevenBitS returns the signed LEB128 encoding of v if v is seven bits and nil otherwise. // The contents of the returned slice must not be modified. func sevenBitS(v int64) []byte { … } // Uleb128put appends v to s using DWARF's unsigned LEB128 encoding. func Uleb128put(ctxt Context, s Sym, v int64) { … } // Sleb128put appends v to s using DWARF's signed LEB128 encoding. func Sleb128put(ctxt Context, s Sym, v int64) { … } type dwAttrForm … const DW_AT_go_kind … const DW_AT_go_key … const DW_AT_go_elem … const DW_AT_go_embedded_field … const DW_AT_go_runtime_type … const DW_AT_go_package_name … const DW_AT_go_dict_index … const DW_AT_go_closure_offset … const DW_AT_internal_location … const DW_ABRV_NULL … const DW_ABRV_COMPUNIT … const DW_ABRV_COMPUNIT_TEXTLESS … const DW_ABRV_FUNCTION … const DW_ABRV_WRAPPER … const DW_ABRV_FUNCTION_ABSTRACT … const DW_ABRV_FUNCTION_CONCRETE … const DW_ABRV_WRAPPER_CONCRETE … const DW_ABRV_INLINED_SUBROUTINE … const DW_ABRV_INLINED_SUBROUTINE_RANGES … const DW_ABRV_VARIABLE … const DW_ABRV_INT_CONSTANT … const DW_ABRV_LEXICAL_BLOCK_RANGES … const DW_ABRV_LEXICAL_BLOCK_SIMPLE … const DW_ABRV_STRUCTFIELD … const DW_ABRV_FUNCTYPEPARAM … const DW_ABRV_FUNCTYPEOUTPARAM … const DW_ABRV_DOTDOTDOT … const DW_ABRV_ARRAYRANGE … const DW_ABRV_NULLTYPE … const DW_ABRV_BASETYPE … const DW_ABRV_ARRAYTYPE … const DW_ABRV_CHANTYPE … const DW_ABRV_FUNCTYPE … const DW_ABRV_IFACETYPE … const DW_ABRV_MAPTYPE … const DW_ABRV_PTRTYPE … const DW_ABRV_BARE_PTRTYPE … const DW_ABRV_SLICETYPE … const DW_ABRV_STRINGTYPE … const DW_ABRV_STRUCTTYPE … const DW_ABRV_TYPEDECL … const DW_ABRV_DICT_INDEX … const DW_ABRV_PUTVAR_START … type dwAbbrev … var abbrevsFinalized … // expandPseudoForm takes an input DW_FORM_xxx value and translates it // into a platform-appropriate concrete form. Existing concrete/real // DW_FORM values are left untouched. For the moment the only // pseudo-form is DW_FORM_udata_pseudo, which gets expanded to // DW_FORM_data4 on Darwin and DW_FORM_udata everywhere else. See // issue #31459 for more context. func expandPseudoForm(form uint8) uint8 { … } // Abbrevs returns the finalized abbrev array for the platform, // expanding any DW_FORM pseudo-ops to real values. func Abbrevs() []dwAbbrev { … } var abbrevs … // GetAbbrev returns the contents of the .debug_abbrev section. func GetAbbrev() []byte { … } type DWAttr … type DWDie … func putattr(ctxt Context, s Sym, abbrev int, form int, cls int, value int64, data interface{ … } // PutAttrs writes the attributes for a DIE to symbol 's'. // // Note that we can (and do) add arbitrary attributes to a DIE, but // only the ones actually listed in the Abbrev will be written out. func PutAttrs(ctxt Context, s Sym, abbrev int, attr *DWAttr) { … } // HasChildren reports whether 'die' uses an abbrev that supports children. func HasChildren(die *DWDie) bool { … } // PutIntConst writes a DIE for an integer constant func PutIntConst(ctxt Context, info, typ Sym, name string, val int64) { … } // PutGlobal writes a DIE for a global variable. func PutGlobal(ctxt Context, info, typ, gvar Sym, name string) { … } // PutBasedRanges writes a range table to sym. All addresses in ranges are // relative to some base address, which must be arranged by the caller // (e.g., with a DW_AT_low_pc attribute, or in a BASE-prefixed range). func PutBasedRanges(ctxt Context, sym Sym, ranges []Range) { … } // PutRanges writes a range table to s.Ranges. // All addresses in ranges are relative to s.base. func (s *FnState) PutRanges(ctxt Context, ranges []Range) { … } // Return TRUE if the inlined call in the specified slot is empty, // meaning it has a zero-length range (no instructions), and all // of its children are empty. func isEmptyInlinedCall(slot int, calls *InlCalls) bool { … } // Slot -1: return top-level inlines. // Slot >= 0: return children of that slot. func inlChildren(slot int, calls *InlCalls) []int { … } func inlinedVarTable(inlcalls *InlCalls) map[*Var]bool { … } // The s.Scopes slice contains variables were originally part of the // function being emitted, as well as variables that were imported // from various callee functions during the inlining process. This // function prunes out any variables from the latter category (since // they will be emitted as part of DWARF inlined_subroutine DIEs) and // then generates scopes for vars in the former category. func putPrunedScopes(ctxt Context, s *FnState, fnabbrev int) error { … } // Emit DWARF attributes and child DIEs for an 'abstract' subprogram. // The abstract subprogram DIE for a function contains its // location-independent attributes (name, type, etc). Other instances // of the function (any inlined copy of it, or the single out-of-line // 'concrete' instance) will contain a pointer back to this abstract // DIE (as a space-saving measure, so that name/type etc doesn't have // to be repeated for each inlined copy). func PutAbstractFunc(ctxt Context, s *FnState) error { … } // Emit DWARF attributes and child DIEs for an inlined subroutine. The // first attribute of an inlined subroutine DIE is a reference back to // its corresponding 'abstract' DIE (containing location-independent // attributes such as name, type, etc). Inlined subroutine DIEs can // have other inlined subroutine DIEs as children. func putInlinedFunc(ctxt Context, s *FnState, callIdx int) error { … } // Emit DWARF attributes and child DIEs for a 'concrete' subprogram, // meaning the out-of-line copy of a function that was inlined at some // point during the compilation of its containing package. The first // attribute for a concrete DIE is a reference to the 'abstract' DIE // for the function (which holds location-independent attributes such // as name, type), then the remainder of the attributes are specific // to this instance (location, frame base, etc). func PutConcreteFunc(ctxt Context, s *FnState, isWrapper bool) error { … } // Emit DWARF attributes and child DIEs for a subprogram. Here // 'default' implies that the function in question was not inlined // when its containing package was compiled (hence there is no need to // emit an abstract version for it to use as a base for inlined // routine records). func PutDefaultFunc(ctxt Context, s *FnState, isWrapper bool) error { … } // putparamtypes writes typedef DIEs for any parametric types that are used by this function. func putparamtypes(ctxt Context, s *FnState, scopes []Scope, fnabbrev int) []int64 { … } func putscope(ctxt Context, s *FnState, scopes []Scope, curscope int32, fnabbrev int, encbuf []byte) int32 { … } func concreteVar(fnabbrev int, v *Var) bool { … } // Emit DWARF attributes for a variable belonging to an 'abstract' subprogram. func putAbstractVar(ctxt Context, info Sym, v *Var) { … } func putvar(ctxt Context, s *FnState, v *Var, absfn Sym, fnabbrev, inlIndex int, encbuf []byte) { … } // byChildIndexCmp compares two *dwarf.Var by child index. func byChildIndexCmp(a, b *Var) int { … } // IsDWARFEnabledOnAIXLd returns true if DWARF is possible on the // current extld. // AIX ld doesn't support DWARF with -bnoobjreorder with version // prior to 7.2.2. func IsDWARFEnabledOnAIXLd(extld []string) (bool, error) { … }
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