[src/netbsd-7]: src/sys/compat/netbsd32 Pull up the following revisions, requ...

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

details:   https://anonhg.NetBSD.org/src/rev/9f71ad899079
branches:  netbsd-7
changeset: 799338:9f71ad899079
user:      martin <martin%NetBSD.org@localhost>
date:      Sat May 16 14:15:50 2015 +0000

description:
Pull up the following revisions, requested by matt in ticket #776:

        src/sys/compat/netbsd32/netbsd32_lwp.c  1.15-1.18

Fix _lwp_ctl for big endian 64-bit platforms.  (Little-endian too but not
as noticable).

diffstat:

 sys/compat/netbsd32/netbsd32_lwp.c |  19 +++++++++++++------
 1 files changed, 13 insertions(+), 6 deletions(-)

diffs (39 lines):

diff -r 55a6fe5111de -r 9f71ad899079 sys/compat/netbsd32/netbsd32_lwp.c
--- a/sys/compat/netbsd32/netbsd32_lwp.c        Sat May 16 04:40:31 2015 +0000
+++ b/sys/compat/netbsd32/netbsd32_lwp.c        Sat May 16 14:15:50 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: netbsd32_lwp.c,v 1.15 2013/03/29 01:04:30 christos Exp $       */
+/*     $NetBSD: netbsd32_lwp.c,v 1.15.10.1 2015/05/16 14:15:50 martin Exp $    */
 
 /*
  *  Copyright (c) 2005, 2006, 2007 The NetBSD Foundation.
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: netbsd32_lwp.c,v 1.15 2013/03/29 01:04:30 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: netbsd32_lwp.c,v 1.15.10.1 2015/05/16 14:15:50 martin Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -280,9 +280,16 @@
                syscallarg(int) features;
                syscallarg(netbsd32_pointer_t) address;
        } */
-       struct sys__lwp_ctl_args ua;
+       netbsd32_pointer_t vaddr32;
+       int error, features;
+       vaddr_t vaddr;
 
-       NETBSD32TO64_UAP(features);
-       NETBSD32TOP_UAP(address, struct lwpctl *);
-       return sys__lwp_ctl(l, &ua, retval);
+       features = SCARG(uap, features);
+       features &= ~(LWPCTL_FEATURE_CURCPU | LWPCTL_FEATURE_PCTR);
+       if (features != 0)
+               return ENODEV;
+       if ((error = lwp_ctl_alloc(&vaddr)) != 0)
+               return error;
+       NETBSD32PTR32(vaddr32, (void *)vaddr);
+       return copyout(&vaddr32, SCARG_P32(uap, address), sizeof(vaddr32));
 }