[src/trunk]: src/lib/libc/arch/powerpc64 add a nop to provide enough space fo...

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

details:   https://anonhg.NetBSD.org/src/rev/a47af409cbf0
branches:  trunk
changeset: 753268:a47af409cbf0
user:      mrg <mrg%NetBSD.org@localhost>
date:      Mon Mar 22 02:17:23 2010 +0000

description:
add a nop to provide enough space for the linker and long calls.
fixes link errors with 'cerror' and libposix.

from dennis.c.ferguson%gmail.com@localhost in PR#43010.

diffstat:

 lib/libc/arch/powerpc64/SYS.h |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 0f0d8716773a -r a47af409cbf0 lib/libc/arch/powerpc64/SYS.h
--- a/lib/libc/arch/powerpc64/SYS.h     Mon Mar 22 02:14:28 2010 +0000
+++ b/lib/libc/arch/powerpc64/SYS.h     Mon Mar 22 02:17:23 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: SYS.h,v 1.1 2006/07/01 16:37:20 ross Exp $     */
+/*     $NetBSD: SYS.h,v 1.2 2010/03/22 02:17:23 mrg Exp $      */
 
 #include <machine/asm.h>
 #include <sys/syscall.h>
@@ -19,6 +19,7 @@
 #define _SYSCALL(x,y)          .text                           ;\
                                .align  2                       ;\
                        2:      b       PIC_PLT(_C_LABEL(__cerror));\
+                               nop                             ;\
                                _SYSCALL_NOERROR(x,y)           ;\
                                bso     2b
 
@@ -31,7 +32,8 @@
 
 #define PSEUDO(x,y)            _SYSCALL_NOERROR(x,y)           ;\
                                bnslr                           ;\
-                               b       PIC_PLT(_C_LABEL(__cerror))
+                               b       PIC_PLT(_C_LABEL(__cerror));\
+                               nop
 
 #define RSYSCALL_NOERROR(x)    PSEUDO_NOERROR(x,x)