Code to handle compatibility of syscall for adjtimex interface.

diff --git a/sysdeps/unix/sysv/linux/alpha/adjtimex.S b/sysdeps/unix/sysv/linux/alpha/adjtimex.S
new file mode 100644 (file)
index 0000000..367b735
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/adjtimex.S
@@ -0,0 +1,59 @@
+/* Copyright (C) 1998 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <sysdep.h>
+#define _ERRNO_H        1
+#include <bits/errno.h>
+
+/* The problem here is that initially we made struct timeval compatible with
+   OSF/1, using int32.  But we defined time_t with uint64, and later found
+   that POSIX requires tv_sec to be time_t.
+
+   So now we have to do compatibility stuff.  */
+
+.text
+
+LEAF(__syscall_adjtimex_tv64, 0)
+       ldgp    gp, 0(pv)
+#ifdef PROF
+       .set noat
+       lda     AT, _mcount
+       jsr     AT, (AT), _mcount
+       .set at
+#endif
+       .prologue 1
+
+#ifdef __NR_adjtimex
+       ldi     v0, SYS_ify(adjtimex)
+       callsys
+       bne     a3, $err64
+
+       /* Everything ok.  */
+       ret
+
+       /* If we didn't get ENOSYS, it is a real error.  */
+       .align 3
+$err64:
+#else
+       /* ENOSYS. */
+       ldi     v0, ENOSYS
+#endif
+       lda     pv, __syscall_error
+       jmp     zero, (pv), __syscall_error
+
+END(__syscall_adjtimex_tv64)