mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-21 02:10:05 +00:00
48 lines
1.2 KiB
ArmAsm
48 lines
1.2 KiB
ArmAsm
/* Copyright (C) 1991, 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 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
|
|
.globl ___curbrk
|
|
___curbrk:
|
|
.long __end
|
|
|
|
.text
|
|
ENTRY (__brk)
|
|
cmpl 4(ap), __end
|
|
bgeq 0f
|
|
movl __env, 4(ap)
|
|
0: chmk $SYS_brk
|
|
bcs 1f
|
|
movl 4(ap), ___curbrk
|
|
clrl r0
|
|
ret
|
|
1:
|
|
jmp syscall_error
|
|
|
|
weak_alias (__brk, brk)
|