[src/netbsd-7]: src/libexec/ld.elf_so Pull up following revision(s) (requeste...

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

details:   https://anonhg.NetBSD.org/src/rev/6339268cf763
branches:  netbsd-7
changeset: 799061:6339268cf763
user:      snj <snj%NetBSD.org@localhost>
date:      Mon Mar 09 07:56:43 2015 +0000

description:
Pull up following revision(s) (requested by skrll in ticket #569):
        libexec/ld.elf_so/rtld.c: revision 1.175
HPPA hack for a problem where gdb doesn't see _rtld_debug_state when
it's a single bv,n %r0(%rp) instruction.
The nullify confuses something.

diffstat:

 libexec/ld.elf_so/rtld.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r 453fd365b5d5 -r 6339268cf763 libexec/ld.elf_so/rtld.c
--- a/libexec/ld.elf_so/rtld.c  Mon Mar 09 07:54:12 2015 +0000
+++ b/libexec/ld.elf_so/rtld.c  Mon Mar 09 07:56:43 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rtld.c,v 1.173 2014/03/18 16:05:34 joerg Exp $  */
+/*     $NetBSD: rtld.c,v 1.173.4.1 2015/03/09 07:56:43 snj Exp $        */
 
 /*
  * Copyright 1996 John D. Polstra.
@@ -40,7 +40,7 @@
 
 #include <sys/cdefs.h>
 #ifndef lint
-__RCSID("$NetBSD: rtld.c,v 1.173 2014/03/18 16:05:34 joerg Exp $");
+__RCSID("$NetBSD: rtld.c,v 1.173.4.1 2015/03/09 07:56:43 snj Exp $");
 #endif /* not lint */
 
 #include <sys/param.h>
@@ -1420,6 +1420,9 @@
 void
 _rtld_debug_state(void)
 {
+#if defined(__hppa__)
+       __asm volatile("nop" ::: "memory");
+#endif
 
        /* Prevent optimizer from removing calls to this function */
        __insn_barrier();