[src/trunk]: src/sys/arch/arm/include/arm32 Fixup the non-KDTRACE_HOOKS case ...

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

details:   https://anonhg.NetBSD.org/src/rev/aefca0a9e1f2
branches:  trunk
changeset: 825290:aefca0a9e1f2
user:      skrll <skrll%NetBSD.org@localhost>
date:      Fri Jul 07 16:59:35 2017 +0000

description:
Fixup the non-KDTRACE_HOOKS case of PUSHDTRACEGAP - we need to copy the
stack pointer to r2.

diffstat:

 sys/arch/arm/include/arm32/frame.h |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (19 lines):

diff -r f5aca3a0bce9 -r aefca0a9e1f2 sys/arch/arm/include/arm32/frame.h
--- a/sys/arch/arm/include/arm32/frame.h        Fri Jul 07 13:11:31 2017 +0000
+++ b/sys/arch/arm/include/arm32/frame.h        Fri Jul 07 16:59:35 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: frame.h,v 1.44 2017/07/07 00:34:09 chs Exp $   */
+/*     $NetBSD: frame.h,v 1.45 2017/07/07 16:59:35 skrll Exp $ */
 
 /*
  * Copyright (c) 1994-1997 Mark Brinicombe.
@@ -455,7 +455,8 @@
        mov     r2, sp;                                                    \
        subeq   r2, r2, #(4 * 16);      /* if so, leave a gap for dtrace */
 #else
-#define PUSHDTRACEGAP                  /* nothing */
+#define PUSHDTRACEGAP                                                     \
+       mov     r2, sp
 #endif
 
 #define PUSHTRAPFRAME(rX)                                                 \