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/* Copyright (C) 1993, 1995 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 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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <sysdep.h>
#ifndef SYS_brk
#define SYS_brk 17
#endif
#ifndef C_SYMBOL_NAME
#define C_SYMBOL_NAME(name) _##name
#endif
.data
.global C_SYMBOL_NAME(__curbrk)
C_LABEL(__curbrk)
#ifdef HAVE_GNU_LD
.long C_SYMBOL_NAME(_end)
#else
.long C_SYMBOL_NAME(end)
#endif
.text
ENTRY (__brk)
add %o0, 7, %o0
andn %o0, 7, %o0
mov SYS_brk, %g1
mov %o0, %o1 /* Save rounded value. */
ta %g0
bcs error
sethi %hi(C_SYMBOL_NAME(__curbrk)), %g1
st %o1, [%g1 + %lo(C_SYMBOL_NAME(__curbrk))]
ret
error: sethi %hi(C_SYMBOL_NAME(errno)), %g1
st %o0, [%g1 + %lo(C_SYMBOL_NAME(errno))]
sub %g0, 1, %o0
retl
nop /* Fill the delay slot. */
weak_alias (__brk, brk)
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