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cmd/link: add ReflectMethod flag to -dumpdep output

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Adds ReflectMethod flag to the output of -dumpdep.

Fixes #60221

Change-Id: I631d72ee21b819a3a629780317ff4d962cc121e0
Reviewed-on: https://go-review.googlesource.com/c/go/+/495715
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: Alessandro Arzilli <alessandro.arzilli@gmail.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
This commit is contained in:
Alessandro Arzilli 2023-05-17 11:35:52 +02:00 committed by Than McIntosh
parent d0c72c23dc
commit 0bbb54a02d
1 changed files with 16 additions and 6 deletions
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22
src/cmd/link/internal/ld/deadcode.go
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@ -325,15 +325,11 @@ func (d *deadcodePass) mark(symIdx, parent loader.Sym) {
if *flagDumpDep {
to := d.ldr.SymName(symIdx)
if to != "" {
if d.ldr.AttrUsedInIface(symIdx) {
to += " <UsedInIface>"
}
to = d.dumpDepAddFlags(to, symIdx)
from := "_"
if parent != 0 {
from = d.ldr.SymName(parent)
if d.ldr.AttrUsedInIface(parent) {
from += " <UsedInIface>"
}
from = d.dumpDepAddFlags(from, parent)
}
fmt.Printf("%s -> %s\n", from, to)
}
@ -341,6 +337,20 @@ func (d *deadcodePass) mark(symIdx, parent loader.Sym) {
}
}
func (d *deadcodePass) dumpDepAddFlags(name string, symIdx loader.Sym) string {
var flags strings.Builder
if d.ldr.AttrUsedInIface(symIdx) {
flags.WriteString("<UsedInIface>")
}
if d.ldr.IsReflectMethod(symIdx) {
flags.WriteString("<ReflectMethod>")
}
if flags.Len() > 0 {
return name + " " + flags.String()
}
return name
}
func (d *deadcodePass) markMethod(m methodref) {
relocs := d.ldr.Relocs(m.src)
d.mark(relocs.At(m.r).Sym(), m.src)