diff options
Diffstat (limited to 'sysdeps/unix/bsd/sun/m68k/brk.S')
| -rw-r--r-- | sysdeps/unix/bsd/sun/m68k/brk.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/unix/bsd/sun/m68k/brk.S b/sysdeps/unix/bsd/sun/m68k/brk.S new file mode 100644 index 0000000000..07af96d23c --- /dev/null +++ b/sysdeps/unix/bsd/sun/m68k/brk.S @@ -0,0 +1,49 @@ +/* Copyright (C) 1991, 1992, 1994, 1995, 1997 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdep.h> + +#ifndef SYS_brk +#define SYS_brk 17 +#endif + +#ifndef HAVE_GNU_LD +#define __end _end +#endif + +.data +.globl ___curbrk +___curbrk: + .long __end + +.text +ENTRY (__brk) + movel #__end, d0 + cmpl sp@(4), d0 + ble 0f + movel d0, sp@(4) +0: pea SYS_brk + trap #0 + bcs 1f + movel sp@(4), ___curbrk + clrl d0 + rts +1: + jmp syscall_error + +weak_alias (__brk, brk) |