[src/trunk]: src The __used__ change doesn't work on 2.95/vax. Put an #ifdef ...

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

details:   https://anonhg.NetBSD.org/src/rev/c50582599bc5
branches:  trunk
changeset: 580728:c50582599bc5
user:      jmc <jmc%NetBSD.org@localhost>
date:      Fri May 06 19:32:30 2005 +0000

description:
The __used__ change doesn't work on 2.95/vax. Put an #ifdef back in for vax and
reverted it to __unused__ as it was before

diffstat:

 doc/HACKS              |  13 +++++++++++--
 lib/libc/gmon/mcount.c |   8 ++++++--
 2 files changed, 17 insertions(+), 4 deletions(-)

diffs (64 lines):

diff -r bbe5c517cc31 -r c50582599bc5 doc/HACKS
--- a/doc/HACKS Fri May 06 16:49:25 2005 +0000
+++ b/doc/HACKS Fri May 06 19:32:30 2005 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: HACKS,v 1.43 2005/04/05 11:56:09 tron Exp $
+# $NetBSD: HACKS,v 1.44 2005/05/06 19:32:30 jmc Exp $
 #
 # This file is intended to document workarounds for currently unsolved
 # (mostly) compiler bugs.
@@ -113,6 +113,15 @@
 
 port   vax
 
+       hack    gcc 2.95/vax can't handle __used__ in mcount.c
+       cdate   Fri May  6 14:30:53 CDT 2005
+       who     jmc
+       file    src/lib/libc/gmon/mcount.c 1.17
+       descr
+                Recent changes to mark this as __used__ to prevent optimization
+                away on sparc64 don't work on 2.95 vax. Ifdef'd back in the
+                old __unused__ if on vax.
+       
        hack    gcc 2.95/vax cannot handle __builtin_ffs()
        cdate   Fri Aug 23 21:31:15 CEST 2002
        who     ragge
@@ -120,7 +129,7 @@
        descr
                __builtin_ffs() is ifdef'd away if __vax__. Matt Thomas has
                added this feature to GCC 3 so it can be removed when switching.
-       kcah
+       
 
        hack    gcc-vax-libbz2
        mdate   27 Jun 2002
diff -r bbe5c517cc31 -r c50582599bc5 lib/libc/gmon/mcount.c
--- a/lib/libc/gmon/mcount.c    Fri May 06 16:49:25 2005 +0000
+++ b/lib/libc/gmon/mcount.c    Fri May 06 19:32:30 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: mcount.c,v 1.16 2005/04/24 18:18:52 christos Exp $     */
+/*     $NetBSD: mcount.c,v 1.17 2005/05/06 19:32:30 jmc Exp $  */
 
 /*
  * Copyright (c) 2003, 2004 Wasabi Systems, Inc.
@@ -72,7 +72,7 @@
 #if 0
 static char sccsid[] = "@(#)mcount.c   8.1 (Berkeley) 6/4/93";
 #else
-__RCSID("$NetBSD: mcount.c,v 1.16 2005/04/24 18:18:52 christos Exp $");
+__RCSID("$NetBSD: mcount.c,v 1.17 2005/05/06 19:32:30 jmc Exp $");
 #endif
 #endif
 
@@ -87,7 +87,11 @@
 struct gmonparam *_m_gmon_alloc(void);
 #endif
 
+#ifdef __vax__
+_MCOUNT_DECL __P((u_long, u_long)) __attribute__((__unused__));        /* see below. */
+#else
 _MCOUNT_DECL __P((u_long, u_long)) __attribute__((__used__));  /* see below. */
+#endif
 
 /*
  * mcount is called on entry to each function compiled with the profiling