/* $Id: zero-alt.S 94908 2022-05-07 19:25:46Z vboxsync $ */ /** @file * IPRT - Zero Memory, mach-o version (for arm/sparc). */ /* * Copyright (C) 2013-2022 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the * VirtualBox OSE 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. */ #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