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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
55 lines
1.5 KiB
ArmAsm
55 lines
1.5 KiB
ArmAsm
/* brk system call for Linux/ppc.
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Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep.h>
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#define _ERRNO_H 1
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#include <bits/errno.h>
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#include <bp-sym.h>
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#include <bp-asm.h>
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.comm __curbrk,4,4
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.section ".text"
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ENTRY (BP_SYM (__brk))
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DISCARD_BOUNDS (r3) /* the bounds are meaningless, so toss 'em */
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stwu r1,-16(r1)
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stw r3,8(r1)
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DO_CALL(SYS_ify(brk))
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lwz r6,8(r1)
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#ifdef PIC
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mflr r4
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bl _GLOBAL_OFFSET_TABLE_@local-4
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mflr r5
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lwz r5,__curbrk@got(r5)
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mtlr r4
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stw r3,0(r5)
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#else
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lis r4,__curbrk@ha
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stw r3,__curbrk@l(r4)
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#endif
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cmplw r6,r3
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addi r1,r1,16
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li r3,0
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blelr+
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li r3,ENOMEM
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b JUMPTARGET(__syscall_error)
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END (BP_SYM (__brk))
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weak_alias (BP_SYM (__brk), BP_SYM (brk))
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