2012-04-17 10:02:27 +08:00
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/* brk system call for Linux/ia64
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2014-01-01 19:03:15 +08:00
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Copyright (C) 1999-2014 Free Software Foundation, Inc.
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2012-04-17 10:02:27 +08:00
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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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2012-04-17 10:10:24 +08:00
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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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2012-04-17 10:02:27 +08:00
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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)
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