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/* brk system call for Linux/ia64
Copyright (C) 1999,2000,2001,2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Stephane Eranian <eranian@hpl.hp.com> and
Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
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>
#include <asm/unistd.h>
#include <asm/errno.h>
.global __curbrk
.type __curbrk,@object
.size __curbrk,8
.data
.align 8
__curbrk:
data8 0
weak_alias (__curbrk, ___brk_addr)
LEAF(__brk)
mov r15=__NR_brk
break.i __BREAK_SYSCALL
;;
cmp.ltu p6,p0=ret0,r32 /* r32 is the input register, even though we
haven't allocated a frame */
addl r9=@ltoff(__curbrk),gp
;;
ld8 r9=[r9]
(p6) mov ret0=ENOMEM
(p6) br.cond.spnt.few __syscall_error
;;
st8 [r9]=ret0
mov ret0=0
ret
END(__brk)
weak_alias (__brk, brk)
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