[src/trunk]: src/lib/libc/compat/arch/sh3/sys Simplify. Add WARN_REFERENCES.

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

details:   https://anonhg.NetBSD.org/src/rev/ea0476a683fb
branches:  trunk
changeset: 586956:ea0476a683fb
user:      uwe <uwe%NetBSD.org@localhost>
date:      Fri Jan 06 04:05:55 2006 +0000

description:
Simplify.  Add WARN_REFERENCES.

diffstat:

 lib/libc/compat/arch/sh3/sys/compat_sigsuspend.S |  25 +++++++++++------------
 1 files changed, 12 insertions(+), 13 deletions(-)

diffs (47 lines):

diff -r c84018759731 -r ea0476a683fb lib/libc/compat/arch/sh3/sys/compat_sigsuspend.S
--- a/lib/libc/compat/arch/sh3/sys/compat_sigsuspend.S  Fri Jan 06 03:58:31 2006 +0000
+++ b/lib/libc/compat/arch/sh3/sys/compat_sigsuspend.S  Fri Jan 06 04:05:55 2006 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: compat_sigsuspend.S,v 1.2 2006/01/06 03:58:31 uwe Exp $        */
+/*     $NetBSD: compat_sigsuspend.S,v 1.3 2006/01/06 04:05:55 uwe Exp $        */
 
 /*-
  * Copyright (c) 1990 The Regents of the University of California.
@@ -36,26 +36,25 @@
 
 #include <machine/asm.h>
 #if defined(SYSLIBC_SCCS) && !defined(lint)
-       RCSID("$NetBSD: compat_sigsuspend.S,v 1.2 2006/01/06 03:58:31 uwe Exp $")
+       RCSID("$NetBSD: compat_sigsuspend.S,v 1.3 2006/01/06 04:05:55 uwe Exp $")
 #endif /* SYSLIBC_SCCS and not lint */
 
 #include "SYS.h"
 
+WARN_REFERENCES(sigsuspend, \
+    "warning: reference to compatibility sigsuspend(); include <signal.h> for correct reference")
+
+/*
+ * int sigsuspend(const sigset_t *sigmask);
+ */
 ENTRY(sigsuspend)
-       mov     r4, r0          /* fetch mask arg */
-       mov.l   @r0, r0         /* indirect to mask arg */
-       mov     r0, r4
-       mov.l   LSYS_sigsuspend13, r0
+       mov.l   @r4, r4         /* syscall expects mask as the argument */
+       mov     #SYS_compat_13_sigsuspend13, r0
        trapa   #0x80
        bf      err
-       xor     r0, r0          /* shouldn t happen */
-       rts
-       nop
+       rts                     /* shouldn t happen */
+        mov    #0, r0
 err:
        JUMP_CERROR
 
-       .align  2
-LSYS_sigsuspend13:
-       .long   SYS_compat_13_sigsuspend13
-
        SET_ENTRY_SIZE(sigsuspend)