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cmd/internal/obj, cmd/link, runtime: use a larger stack frame on ppc64

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The larger stack frames causes the nosplit stack to overflow so the next change
increases the stackguard.

Change-Id: Ib2b4f24f0649eb1d13e3a58d265f13d1b6cc9bf9
Reviewed-on: https://go-review.googlesource.com/15964
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Michael Hudson-Doyle 2015-10-30 12:36:08 +13:00
parent c1b6e392f5
commit c83c806535
6 changed files with 21 additions and 13 deletions
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4
src/cmd/internal/obj/link.go
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@ -585,6 +585,10 @@ func (ctxt *Link) FixedFrameSize() int64 {
switch ctxt.Arch.Thechar {
case '6', '8':
return 0
case '9':
// PIC code on ppc64le requires 32 bytes of stack, and it's easier to
// just use that much stack always on ppc64x.
return int64(4 * ctxt.Arch.Ptrsize)
default:
return int64(ctxt.Arch.Ptrsize)
}