glibc/sysdeps/unix/sysv/linux/powerpc/brk.S
Greg McGary 9b6a9cee89 * sysdeps/unix/sysv/linux/powerpc/brk.S [!PIC]:
Get low part of &__curbrk with @l.
2000-06-06  Greg McGary  <greg@mcgary.org>

	* sysdeps/unix/sysv/linux/powerpc/brk.S [!PIC]:
	Get low part of &__curbrk with @l.
2000-06-06 19:20:57 +00:00

51 lines
1.4 KiB
ArmAsm

/* brk system call for Linux/ppc.
Copyright (C) 1995, 1996, 1997, 1999, 2000 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>
#define _ERRNO_H 1
#include <bits/errno.h>
.comm __curbrk,4,4
.section ".text"
ENTRY(__brk)
stwu r1,-16(r1)
stw r3,8(r1)
DO_CALL(SYS_ify(brk))
lwz r6,8(r1)
#ifdef PIC
mflr r4
bl _GLOBAL_OFFSET_TABLE_@local-4
mflr r5
lwz r5,__curbrk@got(r5)
mtlr r4
stw r3,0(r5)
#else
lis r4,__curbrk@ha
stw r3,__curbrk@l(r4)
#endif
cmplw r6,r3
addi r1,r1,16
li r3,0
blelr+
li r3,ENOMEM
b JUMPTARGET(__syscall_error)
END (__brk)
weak_alias (__brk, brk)