cmd/internal/dwarf: minor cleanups

Remove a stale comment, demote PutInlinedFunc from public to private,
and remove an unused interface originally used for sorting vars.
No change in functionality.

Change-Id: I5ee1ad2b10b78b158e2223c6979bab830202db95
Reviewed-on: https://go-review.googlesource.com/c/go/+/295009
Trust: Than McIntosh <thanm@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
This commit is contained in:
Than McIntosh 2021-01-06 13:27:17 -05:00
parent b3b65f2176
commit e5159b2a2f

View file

@ -318,8 +318,6 @@ const (
) )
// Index into the abbrevs table below. // Index into the abbrevs table below.
// Keep in sync with ispubname() and ispubtype() in ld/dwarf.go.
// ispubtype considers >= NULLTYPE public
const ( const (
DW_ABRV_NULL = iota DW_ABRV_NULL = iota
DW_ABRV_COMPUNIT DW_ABRV_COMPUNIT
@ -1257,7 +1255,7 @@ func PutAbstractFunc(ctxt Context, s *FnState) error {
// its corresponding 'abstract' DIE (containing location-independent // its corresponding 'abstract' DIE (containing location-independent
// attributes such as name, type, etc). Inlined subroutine DIEs can // attributes such as name, type, etc). Inlined subroutine DIEs can
// have other inlined subroutine DIEs as children. // have other inlined subroutine DIEs as children.
func PutInlinedFunc(ctxt Context, s *FnState, callersym Sym, callIdx int) error { func putInlinedFunc(ctxt Context, s *FnState, callersym Sym, callIdx int) error {
ic := s.InlCalls.Calls[callIdx] ic := s.InlCalls.Calls[callIdx]
callee := ic.AbsFunSym callee := ic.AbsFunSym
@ -1268,7 +1266,7 @@ func PutInlinedFunc(ctxt Context, s *FnState, callersym Sym, callIdx int) error
Uleb128put(ctxt, s.Info, int64(abbrev)) Uleb128put(ctxt, s.Info, int64(abbrev))
if logDwarf { if logDwarf {
ctxt.Logf("PutInlinedFunc(caller=%v,callee=%v,abbrev=%d)\n", callersym, callee, abbrev) ctxt.Logf("putInlinedFunc(caller=%v,callee=%v,abbrev=%d)\n", callersym, callee, abbrev)
} }
// Abstract origin. // Abstract origin.
@ -1304,7 +1302,7 @@ func PutInlinedFunc(ctxt Context, s *FnState, callersym Sym, callIdx int) error
// Children of this inline. // Children of this inline.
for _, sib := range inlChildren(callIdx, &s.InlCalls) { for _, sib := range inlChildren(callIdx, &s.InlCalls) {
absfn := s.InlCalls.Calls[sib].AbsFunSym absfn := s.InlCalls.Calls[sib].AbsFunSym
err := PutInlinedFunc(ctxt, s, absfn, sib) err := putInlinedFunc(ctxt, s, absfn, sib)
if err != nil { if err != nil {
return err return err
} }
@ -1346,7 +1344,7 @@ func PutConcreteFunc(ctxt Context, s *FnState) error {
// Inlined subroutines. // Inlined subroutines.
for _, sib := range inlChildren(-1, &s.InlCalls) { for _, sib := range inlChildren(-1, &s.InlCalls) {
absfn := s.InlCalls.Calls[sib].AbsFunSym absfn := s.InlCalls.Calls[sib].AbsFunSym
err := PutInlinedFunc(ctxt, s, absfn, sib) err := putInlinedFunc(ctxt, s, absfn, sib)
if err != nil { if err != nil {
return err return err
} }
@ -1394,7 +1392,7 @@ func PutDefaultFunc(ctxt Context, s *FnState) error {
// Inlined subroutines. // Inlined subroutines.
for _, sib := range inlChildren(-1, &s.InlCalls) { for _, sib := range inlChildren(-1, &s.InlCalls) {
absfn := s.InlCalls.Calls[sib].AbsFunSym absfn := s.InlCalls.Calls[sib].AbsFunSym
err := PutInlinedFunc(ctxt, s, absfn, sib) err := putInlinedFunc(ctxt, s, absfn, sib)
if err != nil { if err != nil {
return err return err
} }
@ -1600,14 +1598,6 @@ func putvar(ctxt Context, s *FnState, v *Var, absfn Sym, fnabbrev, inlIndex int,
// Var has no children => no terminator // Var has no children => no terminator
} }
// VarsByOffset attaches the methods of sort.Interface to []*Var,
// sorting in increasing StackOffset.
type VarsByOffset []*Var
func (s VarsByOffset) Len() int { return len(s) }
func (s VarsByOffset) Less(i, j int) bool { return s[i].StackOffset < s[j].StackOffset }
func (s VarsByOffset) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
// byChildIndex implements sort.Interface for []*dwarf.Var by child index. // byChildIndex implements sort.Interface for []*dwarf.Var by child index.
type byChildIndex []*Var type byChildIndex []*Var