diff options
Diffstat (limited to 'src/cmd/internal/obj/sym.go')
| -rw-r--r-- | src/cmd/internal/obj/sym.go | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/cmd/internal/obj/sym.go b/src/cmd/internal/obj/sym.go index 03ce8ddc5a..4a8b0ebb6f 100644 --- a/src/cmd/internal/obj/sym.go +++ b/src/cmd/internal/obj/sym.go @@ -34,6 +34,7 @@ package obj import ( "cmd/internal/goobj2" "cmd/internal/objabi" + "crypto/md5" "fmt" "log" "math" @@ -241,6 +242,15 @@ func (ctxt *Link) NumberSyms(asm bool) { ctxt.pkgIdx[pkg] = ipkg ipkg++ }) + + // Compute a fingerprint of the indices, for exporting. + if !asm { + h := md5.New() + for _, s := range ctxt.defs { + h.Write([]byte(s.Name)) + } + copy(ctxt.Fingerprint[:], h.Sum(nil)[:]) + } } // Returns whether s is a non-package symbol, which needs to be referenced |