sysdeps/unix/sysv/linux/tile/syscall.S

   1 /* Copyright (C) 2011-2014 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <sysdep.h>
  20 #include <arch/abi.h>
  21
  22         .text
  23 ENTRY (syscall)
  24         FEEDBACK_ENTER(syscall)
  25         { move TREG_SYSCALL_NR_NAME, r0; move r0, r1 }
  26         { move r1, r2; move r2, r3 }
  27         { move r3, r4; move r4, r5 }
  28         { move r5, r6; move r6, r7 }
  29         swint1
  30         BNEZ r1, 0f
  31         jrp lr
  32 PSEUDO_END (syscall)