From: Austin Clements <austin@google.com>
Date: Sat, 3 Apr 2021 20:29:34 +0000 (-0400)
Subject: cmd/internal/objabi: remove StackPreempt
X-Git-Tag: go1.17beta1~849
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=9e3328e7407ab7cd24f48d27ba69d265c57d5805;p=gostls13.git

cmd/internal/objabi: remove StackPreempt

None of the stack check prologues depend on this constant at this
point (and, indeed, they shouldn't).

Change-Id: Iaa40d9c47285b26952f02a7bdde574e8385ffe95
Reviewed-on: https://go-review.googlesource.com/c/go/+/307152
Trust: Austin Clements <austin@google.com>
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
---

diff --git a/src/cmd/internal/objabi/stack.go b/src/cmd/internal/objabi/stack.go
index 05a1d4a4b5..1f531176cc 100644
--- a/src/cmd/internal/objabi/stack.go
+++ b/src/cmd/internal/objabi/stack.go
@@ -13,10 +13,6 @@ const (
 	StackSmall  = 128
 )
 
-const (
-	StackPreempt = -1314 // 0xfff...fade
-)
-
 // Initialize StackGuard and StackLimit according to target system.
 var StackGuard = 928*stackGuardMultiplier() + StackSystem
 var StackLimit = StackGuard - StackSystem - StackSmall