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[dev.link] cmd/link: convert typelink pass to new style

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Change-Id: If861409a5cc4e398496199a89498a141f106f44f
Reviewed-on: https://go-review.googlesource.com/c/go/+/227762
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Than McIntosh <thanm@google.com>
This commit is contained in:
Cherry Zhang 2020-04-08 19:46:00 -04:00
parent fd7666881b
commit a35b322709
4 changed files with 39 additions and 18 deletions
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9
src/cmd/link/internal/loader/loader.go
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@ -659,7 +659,9 @@ func (l *Loader) SymType(i Sym) sym.SymKind {
// Returns the attributes of the i-th symbol.
func (l *Loader) SymAttr(i Sym) uint8 {
if l.IsExternal(i) {
// TODO: do something? External symbols have different representation of attributes. For now, ReflectMethod is the only thing matters and it cannot be set by external symbol.
// TODO: do something? External symbols have different representation of attributes.
// For now, ReflectMethod, NoSplit, GoType, and Typelink are used and they cannot be
// set by external symbol.
return 0
}
r, li := l.toLocal(i)
@ -982,6 +984,11 @@ func (l *Loader) IsGoType(i Sym) bool {
return l.SymAttr(i)&goobj2.SymFlagGoType != 0
}
// Returns whether this symbol should be included in typelink.
func (l *Loader) IsTypelink(i Sym) bool {
return l.SymAttr(i)&goobj2.SymFlagTypelink != 0
}
// Returns whether this is a "go.itablink.*" symbol.
func (l *Loader) IsItabLink(i Sym) bool {
if _, ok := l.itablink[i]; ok {