Mercurial > illumos > illumos-gate

diff usr/src/uts/intel/ia32/os/archdep.c @ 2712:f74a135872bc

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PSARC/2005/471 BrandZ: Support for non-native zones 6374606 ::nm -D without an object may not work on processes in zones 6409350 BrandZ project integration into Solaris 6455289 pthread_setschedparam() should return EPERM rather than panic libc 6455591 setpriority(3C) gets errno wrong for deficient privileges failure 6458178 fifofs doesn't support lofs mounts of fifos 6460380 Attempted open() of a symlink with the O_NOFOLLOW flag set returns EINVAL, not ELOOP 6463857 renice(1) errors erroneously
author nn35248
date Mon, 11 Sep 2006 22:51:59 -0700
parents f95ffdc997b7
children 5903aece022d
line wrap: on
line diff
--- a/usr/src/uts/intel/ia32/os/archdep.c	Mon Sep 11 21:56:06 2006 -0700
+++ b/usr/src/uts/intel/ia32/os/archdep.c	Mon Sep 11 22:51:59 2006 -0700
@@ -2,9 +2,8 @@
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
  *
  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  * or http://www.opensolaris.org/os/licensing.
@@ -65,6 +64,8 @@
 #include <sys/auxv.h>
 #include <sys/auxv_386.h>
 #include <sys/dtrace.h>
+#include <sys/brand.h>
+#include <sys/machbrand.h>
 
 extern const struct fnsave_state x87_initial;
 extern const struct fxsave_state sse_initial;
@@ -604,6 +605,8 @@
 static greg_t
 fix_segreg(greg_t sr, model_t datamodel)
 {
+	kthread_t *t = curthread;
+
 	switch (sr &= 0xffff) {
 #if defined(__amd64)
 	/*
@@ -633,6 +636,13 @@
 	}
 
 	/*
+	 * Allow this process's brand to do any necessary segment register
+	 * manipulation.
+	 */
+	if (PROC_IS_BRANDED(t->t_procp) && BRMOP(t->t_procp)->b_fixsegreg)
+		return (BRMOP(t->t_procp)->b_fixsegreg(sr, datamodel));
+
+	/*
 	 * Force it into the LDT in ring 3 for 32-bit processes, which by
 	 * default do not have an LDT, so that any attempt to use an invalid
 	 * selector will reference the (non-existant) LDT, and cause a #gp fault