glibc/sysdeps/unix/mips/brk.S
1997-07-12 23:28:11 +00:00

48 lines
1.3 KiB
ArmAsm

/* Copyright (C) 1992, 1995, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Brendan Kehoe (brendan@zen.org).
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>
#ifndef SYS_brk
#define SYS_brk 17
#endif
#ifndef HAVE_GNU_LD
#define _end end
#endif
.data
ENTRY(__curbrk)
.word 0
.end __curbrk
.text
SYSCALL__(brk, 1)
.set reorder
/* Handle the query case. */
bnez a0, 1f
move a0,v0
1: /* Update __curbrk and exit cleanly. */
sw a0, __curbrk
move v0, zero
jr ra
.end __brk
weak_alias (__brk, brk)