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cmd/link/internal/ld: skip TLS section on Android

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We don't use the TLS section on android, and dropping it avoids
complaints about underalignment from the Android Q linker.

Updates #29674

Change-Id: I91dabf2a58e6eb1783872639a6a144858db09cef
Reviewed-on: https://go-review.googlesource.com/c/go/+/169618
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Elias Naur 2019-03-27 14:25:24 +01:00
parent f24e1099cb
commit 90a3ce02dc
1 changed files with 15 additions and 10 deletions
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5
src/cmd/link/internal/ld/lib.go
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@ -453,6 +453,10 @@ func (ctxt *Link) loadlib() {
} }
} }
// The Android Q linker started to complain about underalignment of the our TLS
// section. We don't actually use the section on android, so dont't
// generate it.
if objabi.GOOS != "android" {
tlsg := ctxt.Syms.Lookup("runtime.tlsg", 0) tlsg := ctxt.Syms.Lookup("runtime.tlsg", 0)
// runtime.tlsg is used for external linking on platforms that do not define // runtime.tlsg is used for external linking on platforms that do not define
@ -465,6 +469,7 @@ func (ctxt *Link) loadlib() {
} }
tlsg.Attr |= sym.AttrReachable tlsg.Attr |= sym.AttrReachable
ctxt.Tlsg = tlsg ctxt.Tlsg = tlsg
}
var moduledata *sym.Symbol var moduledata *sym.Symbol
if ctxt.BuildMode == BuildModePlugin { if ctxt.BuildMode == BuildModePlugin {