From 1448aa0202541adb609f0dbe7969640883d17a1d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B8ren=20Schmidt?= <sos@FreeBSD.org>
Date: Sun, 9 Oct 1994 21:50:57 +0000
Subject: [PATCH] Latest ibcs2 changes, add errno conversion table. Also add
 256 byte spare space on the usr stack.

---
 sys/sys/exec.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sys/sys/exec.h b/sys/sys/exec.h
index e235e72d466..28941b0f710 100644
--- a/sys/sys/exec.h
+++ b/sys/sys/exec.h
@@ -36,7 +36,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)exec.h	8.3 (Berkeley) 1/21/94
- * $Id: exec.h,v 1.7 1994/09/24 21:37:01 davidg Exp $
+ * $Id: exec.h,v 1.8 1994/10/02 17:24:41 phk Exp $
  */
 
 #ifndef _SYS_EXEC_H_
@@ -60,8 +60,9 @@ struct ps_strings {
 /*
  * Address of ps_strings structure (in user space).
  */
-#define	PS_STRINGS \
-	((struct ps_strings *)(USRSTACK - sizeof(struct ps_strings)))
+#define SPARE_USRSPACE	256
+#define	PS_STRINGS ((struct ps_strings *) \
+		(USRSTACK - sizeof(struct ps_strings) - SPARE_USRSPACE))
 
 /*
  * Arguments to the exec system call.