[go] runtime: correct vdsoSP on S390X

[Cherry Mui (Gerrit)]

Cherry Mui submitted the change

Change information

Commit message:

runtime: correct vdsoSP on S390X

It should get the caller's SP. The current code gets the address
of the first parameter, which is one word above the caller's SP.
There is a slot for saving the LR at 0(SP) in the caller's frame.

Fixes #62086 (for s390x).

Change-Id: Ie8cbfabc8161b98658c884a32e0af72df189ea56

Reviewed-on: https://go-review.googlesource.com/c/go/+/685715

Reviewed-by: David Chase <drc...@google.com>

LUCI-TryBot-Result: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Files:

• M src/runtime/sys_linux_s390x.s

Change size: XS

Delta: 1 file changed, 2 insertions(+), 2 deletions(-)

Branch: refs/heads/master

Submit Requirements:

• Code-Review: +2 by David Chase
• TryBots-Pass: LUCI-TryBot-Result+1 by Go LUCI

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Gerrit

Gerrit-MessageType: merged

Gerrit-Project: go

Gerrit-Branch: master

Gerrit-Change-Id: Ie8cbfabc8161b98658c884a32e0af72df189ea56

Gerrit-Change-Number: 685715

Gerrit-PatchSet: 2

Gerrit-Owner: Cherry Mui <cher...@google.com>

Gerrit-Reviewer: Cherry Mui <cher...@google.com>

Gerrit-Reviewer: David Chase <drc...@google.com>

Gerrit-Reviewer: Go LUCI <golang...@luci-project-accounts.iam.gserviceaccount.com>

Gerrit-Reviewer: Kiran M Vijay IBM <kiran....@ibm.com>