[src/trunk]: src/sys/uvm Add uvm_lwp_getuarea() and uvm_lwp_setuarea(). OK m...

[rmind <rmind%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d2e41cfa0249
branches:  trunk
changeset: 749214:d2e41cfa0249
user:      rmind <rmind%NetBSD.org@localhost>
date:      Sat Nov 21 17:45:02 2009 +0000

description:
Add uvm_lwp_getuarea() and uvm_lwp_setuarea().  OK matt@.

diffstat:

 sys/uvm/uvm_extern.h |   4 +++-
 sys/uvm/uvm_glue.c   |  18 ++++++++++++++++--
 2 files changed, 19 insertions(+), 3 deletions(-)

diffs (57 lines):

diff -r 15e3a9d03234 -r d2e41cfa0249 sys/uvm/uvm_extern.h
--- a/sys/uvm/uvm_extern.h      Sat Nov 21 17:40:27 2009 +0000
+++ b/sys/uvm/uvm_extern.h      Sat Nov 21 17:45:02 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uvm_extern.h,v 1.160 2009/10/21 21:12:07 rmind Exp $   */
+/*     $NetBSD: uvm_extern.h,v 1.161 2009/11/21 17:45:02 rmind Exp $   */
 
 /*
  *
@@ -629,6 +629,8 @@
 __dead void            uvm_scheduler(void);
 vaddr_t                        uvm_uarea_alloc(void);
 void                   uvm_uarea_free(vaddr_t);
+vaddr_t                        uvm_lwp_getuarea(lwp_t *);
+void                   uvm_lwp_setuarea(lwp_t *, vaddr_t);
 int                    uvm_vslock(struct vmspace *, void *, size_t, vm_prot_t);
 void                   uvm_vsunlock(struct vmspace *, void *, size_t);
 void                   uvm_cpu_attach(struct cpu_info *);
diff -r 15e3a9d03234 -r d2e41cfa0249 sys/uvm/uvm_glue.c
--- a/sys/uvm/uvm_glue.c        Sat Nov 21 17:40:27 2009 +0000
+++ b/sys/uvm/uvm_glue.c        Sat Nov 21 17:45:02 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uvm_glue.c,v 1.141 2009/10/21 21:12:07 rmind Exp $     */
+/*     $NetBSD: uvm_glue.c,v 1.142 2009/11/21 17:45:02 rmind Exp $     */
 
 /*
  * Copyright (c) 1997 Charles D. Cranor and Washington University.
@@ -67,7 +67,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_glue.c,v 1.141 2009/10/21 21:12:07 rmind Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_glue.c,v 1.142 2009/11/21 17:45:02 rmind Exp $");
 
 #include "opt_kgdb.h"
 #include "opt_kstack.h"
@@ -331,6 +331,20 @@
        pool_cache_put(uvm_uarea_cache, (void *)uaddr);
 }
 
+vaddr_t
+uvm_lwp_getuarea(lwp_t *l)
+{
+
+       return USER_TO_UAREA(l->l_addr);
+}
+
+void
+uvm_lwp_setuarea(lwp_t *l, vaddr_t addr)
+{
+
+       l->l_addr = UAREA_TO_USER(addr);
+}
+
 /*
  * uvm_proc_exit: exit a virtual address space
  *