mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-02 17:50:20 +00:00
47 lines
1.2 KiB
ArmAsm
47 lines
1.2 KiB
ArmAsm
/* Copyright (C) 1991, 1993, 1994, 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 HAVE_GNU_LD
|
|
#define __end _end
|
|
#endif
|
|
|
|
.data
|
|
.globl ___curbrk
|
|
___curbrk:
|
|
.long __end
|
|
|
|
.text
|
|
ENTRY (__brk)
|
|
movel #__end, d0
|
|
cmpl sp@(4), d0
|
|
ble 0f
|
|
movel d0, sp@(4)
|
|
0: DO_CALL (#SYS_brk, 1)
|
|
movel sp@(4), ___curbrk
|
|
clrl d0
|
|
rts
|
|
error: jmp syscall_error
|
|
|
|
weak_alias (__brk, brk)
|