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/* $Id: zero-alt.S $ */
/** @file
* IPRT - Zero Memory, mach-o version (for arm/sparc).
*/
/*
* Copyright (C) 2013-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#ifdef ASM_FORMAT_MACHO
; Putting it in the code segment/section for now.
.section __TEXT,__text,regular,pure_instructions
.section __TEXT,__const
# define NAME(a) _##a
#elif defined(ASM_FORMAT_ELF) && (defined(RT_ARCH_ARM64) || defined(RT_ARCH_SPARC) || defined(RT_ARCH_SPARC64))
/* Putting it in the rodata segment/section for now. */
.file "zero-alt.S"
.section ".rodata"
# define NAME(a) a
# define NEED_HIDDEN
#else
# error "PORT ME!"
#endif
/* 64KB of zero memory with various sized labels. */
.globl NAME(g_abRTZeroPage)
#ifdef ASM_FORMAT_ELF
# ifdef NEED_HIDDEN
.hidden NAME(g_abRTZeroPage)
# endif
.type NAME(g_abRTZeroPage),#object
# if defined(RT_ARCH_SPARC) || defined(RT_ARCH_SPARC64)
.size NAME(g_abRTZeroPage),8192
# else
.size NAME(g_abRTZeroPage),4096
# endif
#endif
NAME(g_abRTZeroPage):
.globl NAME(g_abRTZero4K)
#ifdef ASM_FORMAT_ELF
# ifdef NEED_HIDDEN
.hidden NAME(g_abRTZero4K)
# endif
.type NAME(g_abRTZero4K),#object
.size NAME(g_abRTZero4K),4096
#endif
NAME(g_abRTZero4K):
.globl NAME(g_abRTZero8K)
#ifdef ASM_FORMAT_ELF
# ifdef NEED_HIDDEN
.hidden NAME(g_abRTZero8K)
# endif
.type NAME(g_abRTZero8K),#object
.size NAME(g_abRTZero8K),8192
#endif
NAME(g_abRTZero8K):
.globl NAME(g_abRTZero16K)
#ifdef ASM_FORMAT_ELF
# ifdef NEED_HIDDEN
.hidden NAME(g_abRTZero16K)
# endif
.type NAME(g_abRTZero16K),#object
.size NAME(g_abRTZero16K),16384
#endif
NAME(g_abRTZero16K):
.globl NAME(g_abRTZero32K)
#ifdef ASM_FORMAT_ELF
# ifdef NEED_HIDDEN
.hidden NAME(g_abRTZero32K)
# endif
.type NAME(g_abRTZero32K),#object
.size NAME(g_abRTZero32K),32768
#endif
NAME(g_abRTZero32K):
.globl NAME(g_abRTZero64K)
#ifdef ASM_FORMAT_ELF
# ifdef NEED_HIDDEN
.hidden NAME(g_abRTZero64K)
# endif
.type NAME(g_abRTZero64K),#object
.size NAME(g_abRTZero64K),65536
#endif
NAME(g_abRTZero64K):
#ifdef ASM_FORMAT_MACHO
.space 65536
#elif defined(ASM_FORMAT_ELF)
.skip 65536
#endif
|