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46 lines
1.4 KiB
ArmAsm
46 lines
1.4 KiB
ArmAsm
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/* brk system call for Linux. PowerPC64 version.
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Copyright (C) 1995,96,97,99, 2000, 2002 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,8,8
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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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stdu r1,-64(r1)
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std r3,48(r1)
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DO_CALL(SYS_ify(brk))
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ld r6,48(r1)
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ld r5,__curbrk@got(r2)
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std r3,0(r5)
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cmpld r6,r3
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addi r1,r1,64
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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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