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From: Konstantin Belousov <kib@FreeBSD.org>
Date: Mon, 18 Jul 2016 04:33:12 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r302982 - stable/11/sys/i386/i386
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Author: kib
Date: Mon Jul 18 04:33:12 2016
New Revision: 302982
URL: https://svnweb.freebsd.org/changeset/base/302982

Log:
  MFC r302573:
  Fill tf_trapno for trap frames created for syscall.
  
  Approved by:	re (gjb)

Modified:
  stable/11/sys/i386/i386/exception.s
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/i386/i386/exception.s
==============================================================================
--- stable/11/sys/i386/i386/exception.s	Mon Jul 18 04:30:34 2016	(r302981)
+++ stable/11/sys/i386/i386/exception.s	Mon Jul 18 04:33:12 2016	(r302982)
@@ -234,7 +234,7 @@ IDTVEC(lcall_syscall)
 	pushfl				/* save eflags */
 	popl	8(%esp)			/* shuffle into tf_eflags */
 	pushl	$7			/* sizeof "lcall 7,0" */
-	subl	$4,%esp			/* skip over tf_trapno */
+	pushl	$0			/* tf_trapno */
 	pushal
 	pushl	$0
 	movw	%ds,(%esp)
@@ -263,7 +263,7 @@ IDTVEC(lcall_syscall)
 	SUPERALIGN_TEXT
 IDTVEC(int0x80_syscall)
 	pushl	$2			/* sizeof "int 0x80" */
-	subl	$4,%esp			/* skip over tf_trapno */
+	pushl	$0			/* tf_trapno */
 	pushal
 	pushl	$0
 	movw	%ds,(%esp)