diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/m68k/syscall.S')
| -rw-r--r-- | sysdeps/unix/sysv/linux/m68k/syscall.S | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/m68k/syscall.S b/sysdeps/unix/sysv/linux/m68k/syscall.S new file mode 100644 index 0000000000..c0e116822d --- /dev/null +++ b/sysdeps/unix/sysv/linux/m68k/syscall.S @@ -0,0 +1,32 @@ +/* Copyright (C) 1996-2014 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 Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <http://www.gnu.org/licenses/>. */ + +#include <sysdep.h> + +/* Please consult the file sysdeps/unix/sysv/linux/m68k/sysdep.h for + more information about the value -4095 used below.*/ + + .text +ENTRY (syscall) + move.l 4(%sp), %d0 /* Load syscall number. */ + _DOARGS_6 (28) /* Frob arguments. */ + trap &0 /* Do the system call. */ + UNDOARGS_6 /* Unfrob arguments. */ + cmp.l &-4095, %d0 /* Check %d0 for error. */ + jcc SYSCALL_ERROR_LABEL /* Jump to error handler if negative. */ + rts /* Return to caller. */ +PSEUDO_END (syscall) |