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/* Copyright (C) 1993, 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
.extern __end,8
.globl __curbrk
__curbrk:
.quad __end
.text
ENTRY(__brk)
/* FIXME We do not check for asking for less than a page yet. */
ldiq v0, SYS_brk
call_pal PAL_callsys
bne a3, error
/* Update __curbrk and exit cleanly. */
/* ldgp gp, 0(t12) */
stq a0, __curbrk
mov zero, v0
ret
/* What a horrible way to die. */
error: ldgp gp,0(gp)
jmp zero,syscall_error
.end __brk
weak_alias (__brk, brk)
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