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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:49:04 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:49:04 +0000 |
commit | 16f504a9dca3fe3b70568f67b7d41241ae485288 (patch) | |
tree | c60f36ada0496ba928b7161059ba5ab1ab224f9d /src/VBox/Runtime/common/misc/zero-alt.S | |
parent | Initial commit. (diff) | |
download | virtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.tar.xz virtualbox-16f504a9dca3fe3b70568f67b7d41241ae485288.zip |
Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/Runtime/common/misc/zero-alt.S')
-rw-r--r-- | src/VBox/Runtime/common/misc/zero-alt.S | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/misc/zero-alt.S b/src/VBox/Runtime/common/misc/zero-alt.S new file mode 100644 index 00000000..cff7459e --- /dev/null +++ b/src/VBox/Runtime/common/misc/zero-alt.S @@ -0,0 +1,118 @@ +/* $Id: zero-alt.S $ */ +/** @file + * IPRT - Zero Memory, mach-o version (for arm/sparc). + */ + +/* + * Copyright (C) 2013-2022 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 + |