cmd/internal/obj: remove Link.Tlsoffset

Nothing uses it any more.

Change-Id: I42ee7222b06b1a79b8b44894f3071752f9166d7a
Reviewed-on: https://go-review.googlesource.com/14193
Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Dave Cheney <dave@cheney.net>

diff --git a/src/cmd/internal/obj/link.go b/src/cmd/internal/obj/link.go
index 9404251c69709d2cb6c3abb11c9847d96b8ec05e..a5d622a70ab8da2910a7817180df6fe4e67cfe86 100644 (file)
--- a/src/cmd/internal/obj/link.go
+++ b/src/cmd/internal/obj/link.go
@@ -502,7 +502,6 @@ type Link struct {
        Autosize           int32
        Armsize            int32
        Pc                 int64
-       Tlsoffset          int
        Diag               func(string, ...interface{})
        Mode               int
        Cursym             *LSym

diff --git a/src/cmd/internal/obj/sym.go b/src/cmd/internal/obj/sym.go
index 37bb40b4add69e90341ca38ffaaba9313a3dac1c..31c8c2217e5395354899e8e759f72e825ab2097d 100644 (file)
--- a/src/cmd/internal/obj/sym.go
+++ b/src/cmd/internal/obj/sym.go
@@ -105,66 +105,6 @@ func Linknew(arch *LinkArch) *Link {
                log.Fatalf("unknown goos %s", Getgoos())
        }
 
-       // Record thread-local storage offset.
-       // TODO(rsc): Move tlsoffset back into the linker.
-       switch ctxt.Headtype {
-       default:
-               log.Fatalf("unknown thread-local storage offset for %s", Headstr(ctxt.Headtype))
-
-       case Hplan9, Hwindows:
-               break
-
-               /*
-                * ELF uses TLS offset negative from FS.
-                * Translate 0(FS) and 8(FS) into -16(FS) and -8(FS).
-                * Known to low-level assembly in package runtime and runtime/cgo.
-                */
-       case Hlinux,
-               Hfreebsd,
-               Hnetbsd,
-               Hopenbsd,
-               Hdragonfly,
-               Hsolaris:
-               ctxt.Tlsoffset = -1 * ctxt.Arch.Ptrsize
-
-       case Hnacl:
-               switch ctxt.Arch.Thechar {
-               default:
-                       log.Fatalf("unknown thread-local storage offset for nacl/%s", ctxt.Arch.Name)
-
-               case '5':
-                       ctxt.Tlsoffset = 0
-
-               case '6':
-                       ctxt.Tlsoffset = 0
-
-               case '8':
-                       ctxt.Tlsoffset = -8
-               }
-
-               /*
-                * OS X system constants - offset from 0(GS) to our TLS.
-                * Explained in ../../runtime/cgo/gcc_darwin_*.c.
-                */
-       case Hdarwin:
-               switch ctxt.Arch.Thechar {
-               default:
-                       log.Fatalf("unknown thread-local storage offset for darwin/%s", ctxt.Arch.Name)
-
-               case '5':
-                       ctxt.Tlsoffset = 0 // dummy value, not needed
-
-               case '6':
-                       ctxt.Tlsoffset = 0x8a0
-
-               case '7':
-                       ctxt.Tlsoffset = 0 // dummy value, not needed
-
-               case '8':
-                       ctxt.Tlsoffset = 0x468
-               }
-       }
-
        // On arm, record goarm.
        if ctxt.Arch.Thechar == '5' {
                p := Getgoarm()