Added spare space on the usr stack. Used in ibcs2 emulation.

svn path=/head/; revision=3477
1994-10-09 22:03:58 +00:00 · 1994-10-09 22:03:58 +00:00 · 5dfe901236 · 2020-12-20 02:59:44 +00:00
commit 5dfe901236
parent c96f129304
1 changed files with 2 additions and 2 deletions
--- a/lib/libkvm/kvm_proc.c
+++ b/lib/libkvm/kvm_proc.c
@ -528,8 +528,8 @@ kvm_doargv(kd, kp, nchr, info)
 	 * Pointers are stored at the top of the user stack.
 	 */
 	if (p->p_stat == SZOMB || 
-	    kvm_uread(kd, p, USRSTACK - sizeof(arginfo), (char *)&arginfo,
-		      sizeof(arginfo)) != sizeof(arginfo))
+	    kvm_uread(kd, p, USRSTACK - sizeof(arginfo) - SPARE_USRSPACE,
+		      (char *)&arginfo, sizeof(arginfo)) != sizeof(arginfo))
 		return (0);

 	(*info)(&arginfo, &addr, &cnt);