; $Id: SUPR3HardenedMainA-win.asm 51770 2014-07-01 18:14:02Z vboxsync $ ;; @file ; VirtualBox Support Library - Hardened main(), Windows assembly bits. ; ; ; Copyright (C) 2012-2014 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. ; ;******************************************************************************* ;* Header Files * ;******************************************************************************* %include "iprt/asmdefs.mac" ; External data. extern NAME(g_pfnNtCreateSectionJmpBack) BEGINCODE ; ; 64-bit ; %ifdef RT_ARCH_AMD64 %macro supR3HardenedJmpBack_NtCreateSection_Xxx 1 BEGINPROC supR3HardenedJmpBack_NtCreateSection_ %+ %1 ; The code we replaced. mov r10, rcx mov eax, %1 ; Jump back to the original code. jmp [NAME(g_pfnNtCreateSectionJmpBack) wrt RIP] ENDPROC supR3HardenedJmpBack_NtCreateSection_ %+ %1 %endm %define SYSCALL(a_Num) supR3HardenedJmpBack_NtCreateSection_Xxx a_Num %include "NtCreateSection-template-amd64-syscall-type-1.h" %endif ; ; 32-bit. ; %ifdef RT_ARCH_X86 %macro supR3HardenedJmpBack_NtCreateSection_Xxx 1 BEGINPROC supR3HardenedJmpBack_NtCreateSection_ %+ %1 ; The code we replaced. mov eax, %1 ; Jump back to the original code. jmp [NAME(g_pfnNtCreateSectionJmpBack)] ENDPROC supR3HardenedJmpBack_NtCreateSection_ %+ %1 %endm %define SYSCALL(a_Num) supR3HardenedJmpBack_NtCreateSection_Xxx a_Num %include "NtCreateSection-template-x86-syscall-type-1.h" %endif