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[dev.link] cmd/link/internal/sym: remove SortSub

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Remove SortSub; this function no longer referenced.

Change-Id: Ie0c78f5cd048a8f465f84ceeab30db57be5c05a7
Reviewed-on: https://go-review.googlesource.com/c/go/+/230457
Run-TryBot: Than McIntosh <thanm@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Than McIntosh 2020-04-27 14:02:06 -04:00
parent 43a85a39bf
commit 183d25d996
1 changed files with 0 additions and 74 deletions
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74
src/cmd/link/internal/sym/symbol.go
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@ -443,80 +443,6 @@ func (s *Symbol) SetElfType(val elf.SymType) {
s.auxinfo.elftype = val
}
// SortSub sorts a linked-list (by Sub) of *Symbol by Value.
// Used for sub-symbols when loading host objects (see e.g. ldelf.go).
func SortSub(l *Symbol) *Symbol {
if l == nil || l.Sub == nil {
return l
}
l1 := l
l2 := l
for {
l2 = l2.Sub
if l2 == nil {
break
}
l2 = l2.Sub
if l2 == nil {
break
}
l1 = l1.Sub
}
l2 = l1.Sub
l1.Sub = nil
l1 = SortSub(l)
l2 = SortSub(l2)
/* set up lead element */
if l1.Value < l2.Value {
l = l1
l1 = l1.Sub
} else {
l = l2
l2 = l2.Sub
}
le := l
for {
if l1 == nil {
for l2 != nil {
le.Sub = l2
le = l2
l2 = l2.Sub
}
le.Sub = nil
break
}
if l2 == nil {
for l1 != nil {
le.Sub = l1
le = l1
l1 = l1.Sub
}
break
}
if l1.Value < l2.Value {
le.Sub = l1
le = l1
l1 = l1.Sub
} else {
le.Sub = l2
le = l2
l2 = l2.Sub
}
}
le.Sub = nil
return l
}
type Pcdata struct {
P []byte
}