Blame sysdeps/unix/sysv/linux/ia64/brk.S

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/* brk system call for Linux/ia64
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   Copyright (C) 1999-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   Written by Stephane Eranian <eranian@hpl.hp.com> and
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	      Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
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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, see
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   <http://www.gnu.org/licenses/>.  */
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#include <sysdep.h>
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#include <asm/unistd.h>
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#include <asm/errno.h>
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	.global __curbrk
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	.type __curbrk,@object
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	.size __curbrk,8
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	.data
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	.align	8
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__curbrk:
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	data8	0
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weak_alias (__curbrk, ___brk_addr)
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LEAF(__brk)
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	.regstk 1, 0, 0, 0
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	DO_CALL(__NR_brk)
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	cmp.ltu	p6, p0 = ret0, in0
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	addl r9 = @ltoff(__curbrk), gp
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	;;
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	ld8 r9 = [r9]
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(p6) 	mov ret0 = ENOMEM
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(p6)	br.cond.spnt.few __syscall_error
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	;;
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	st8 [r9] = ret0
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	mov ret0 = 0
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	ret
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END(__brk)
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weak_alias (__brk, brk)