[src/trunk]: src/sys/arch/amd64/amd64 Put the ucontext pointer in %r15 for si...

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

details:   https://anonhg.NetBSD.org/src/rev/f0b2472dc117
branches:  trunk
changeset: 553470:f0b2472dc117
user:      fvdl <fvdl%NetBSD.org@localhost>
date:      Fri Oct 17 16:24:31 2003 +0000

description:
Put the ucontext pointer in %r15 for signal delivery, so that it is
saved across the handler call.

diffstat:

 sys/arch/amd64/amd64/machdep.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r a783d7dc4f17 -r f0b2472dc117 sys/arch/amd64/amd64/machdep.c
--- a/sys/arch/amd64/amd64/machdep.c    Fri Oct 17 16:23:20 2003 +0000
+++ b/sys/arch/amd64/amd64/machdep.c    Fri Oct 17 16:24:31 2003 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: machdep.c,v 1.12 2003/10/15 09:44:55 drochner Exp $    */
+/*     $NetBSD: machdep.c,v 1.13 2003/10/17 16:24:31 fvdl Exp $        */
 
 /*-
  * Copyright (c) 1996, 1997, 1998, 2000 The NetBSD Foundation, Inc.
@@ -72,7 +72,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.12 2003/10/15 09:44:55 drochner Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.13 2003/10/17 16:24:31 fvdl Exp $");
 
 #include "opt_user_ldt.h"
 #include "opt_ddb.h"
@@ -588,7 +588,7 @@
 
        tf->tf_rdi = sig;
        tf->tf_rsi = (uint64_t)&fp->sf_si;
-       tf->tf_rdx = (uint64_t)&fp->sf_uc;
+       tf->tf_rdx = tf->tf_r15 = (uint64_t)&fp->sf_uc;
 
        /* Remember that we're now on the signal stack. */
        if (onstack)