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cmd/internal/obj, cmd/link, runtime: lots of TLS cleanup

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It's particularly nice to get rid of the android special cases in the linker.

Change-Id: I516363af7ce8a6b2f196fe49cb8887ac787a6dad
Reviewed-on: https://go-review.googlesource.com/14197
Run-TryBot: Michael Hudson-Doyle <michael.hudson@canonical.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Michael Hudson-Doyle 2015-09-02 11:23:15 +12:00
parent 1ef9b5a5b9
commit a5cb76243a
15 changed files with 27 additions and 132 deletions
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25
src/cmd/link/internal/ld/data.go
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@ -362,11 +362,6 @@ func relocsym(s *LSym) {
Diag("unreachable sym in relocation: %s %s", s.Name, r.Sym.Name)
}
// Android emulates runtime.tlsg as a regular variable.
if r.Type == obj.R_TLS && goos == "android" {
r.Type = obj.R_ADDR
}
switch r.Type {
default:
switch siz {
@ -385,26 +380,6 @@ func relocsym(s *LSym) {
Diag("unknown reloc %d", r.Type)
}
case obj.R_TLS:
if Linkmode == LinkExternal && Iself && HEADTYPE != obj.Hopenbsd {
r.Done = 0
r.Sym = Ctxt.Tlsg
r.Xsym = Ctxt.Tlsg
r.Xadd = r.Add
o = r.Add
break
}
if Linkmode == LinkInternal && Iself && Thearch.Thechar == '5' {
panic("should no longer get here")
break
}
r.Done = 0
o = 0
if Thearch.Thechar != '6' {
o = r.Add
}
case obj.R_TLS_LE:
if Linkmode == LinkExternal && Iself && HEADTYPE != obj.Hopenbsd {
r.Done = 0