diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/ia64/syscall.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/syscall.S | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/syscall.S b/sysdeps/unix/sysv/linux/ia64/syscall.S new file mode 100644 index 0000000000..25f81cd61a --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/syscall.S @@ -0,0 +1,45 @@ +/* Copyright (C) 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jes Sorensen (Jes.Sorensen@cern.ch) + + 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> + +/* + * This is ugly as hell, but we need to take out the syscall number and + * rotate the input arguments one register before performing the syscall + */ +ENTRY(__syscall) + mov r15=r32 /* syscall number */ + ;; + mov r32=r33 + ;; + mov r33=r34 + ;; + mov r34=r35 + ;; + mov r35=r36 + ;; + mov r36=r37 + break __BREAK_SYSCALL + cmp.ne p6,p0=-1,r10 /* r10 = -1 on error */ + ;; +(p6) ret +(p7) br.cond.spnt.few __syscall_error +PSEUDO_END(__syscall) + +weak_alias (__syscall, syscall) |