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[dev.link] cmd/link: migrate symbol's Value and Align when converting to sym.Symbols

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Currently, in LoadFull we migrate a symbol's Value to sym.Symbol
only for external symbols. And symbol's Align is not migrated at
all. As we move LoadFull forward, there are already places where
we set symbol's Value and Align (e.g. in doelf). Migrate them
correctly.

Currently I think we only set them on external symbols, but as
we move forward I think we'll need to set them on Go symbols as
well.

Change-Id: I63e97e38fc08b653ba9faefe15697944faf21bed
Reviewed-on: https://go-review.googlesource.com/c/go/+/225658
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
This commit is contained in:
Cherry Zhang 2020-03-26 14:43:15 -04:00
parent c5f6920212
commit c7e3d817ab
1 changed files with 3 additions and 2 deletions
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5
src/cmd/link/internal/loader/loader.go
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@ -1833,11 +1833,9 @@ func (l *Loader) LoadFull(arch *sys.Arch, syms *sym.Symbols) {
s.Version = int16(pp.ver)
s.Type = pp.kind
s.Size = pp.size
s.Value = l.SymValue(i)
if pp.gotype != 0 {
s.Gotype = l.Syms[pp.gotype]
}
s.Value = l.values[i]
if f, ok := l.symFile[i]; ok {
s.File = f
} else if pp.objidx != 0 {
@ -2326,6 +2324,9 @@ func (l *Loader) CopyAttributes(src Sym, dst Sym) {
// migrateAttributes copies over all of the attributes of symbol 'src' to
// sym.Symbol 'dst'.
func (l *Loader) migrateAttributes(src Sym, dst *sym.Symbol) {
dst.Value = l.SymValue(src)
dst.Align = l.SymAlign(src)
dst.Attr.Set(sym.AttrReachable, l.AttrReachable(src))
dst.Attr.Set(sym.AttrOnList, l.AttrOnList(src))
dst.Attr.Set(sym.AttrLocal, l.AttrLocal(src))