; $Id$
;; @file
; VirtualBox Support Driver - Windows NT specific assembly parts.
;
;
; Copyright (C) 2006-2014 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"
BEGINCODE
%ifdef RT_ARCH_AMD64
%define _DbgPrint DbgPrint
%endif
extern _DbgPrint
%if 1 ; see alternative in SUPDrv-win.cpp
;;
; Kind of alias for DbgPrint
export NAME(SUPR0Printf)
BEGINPROC SUPR0Printf
jmp _DbgPrint
ENDPROC SUPR0Printf
%endif
%ifdef VBOX_WITH_HARDENING
%ifdef RT_ARCH_X86
;
; Faking up ZwQueryVirtualMemory on XP and W2K3 where it's not exported.
; Using ZwOpenFile as a helper as it has the name number of parameters.
;
extern IMPNAME(ZwOpenFile@24)
BEGINPROC supdrvNtQueryVirtualMemory_Xxx
%macro NtQueryVirtualMemorySyscall 1
GLOBALNAME supdrvNtQueryVirtualMemory_ %+ %1
mov eax, %1
jmp supdrvNtQueryVirtualMemory_Jump
%endm
NtQueryVirtualMemorySyscall 0xAF
NtQueryVirtualMemorySyscall 0xB0
NtQueryVirtualMemorySyscall 0xB1
NtQueryVirtualMemorySyscall 0xB2
NtQueryVirtualMemorySyscall 0xB3
NtQueryVirtualMemorySyscall 0xB4
NtQueryVirtualMemorySyscall 0xB5
NtQueryVirtualMemorySyscall 0xB6
NtQueryVirtualMemorySyscall 0xB7
NtQueryVirtualMemorySyscall 0xB8
NtQueryVirtualMemorySyscall 0xB9
NtQueryVirtualMemorySyscall 0xBA
NtQueryVirtualMemorySyscall 0xBB
NtQueryVirtualMemorySyscall 0xBC
NtQueryVirtualMemorySyscall 0xBD
NtQueryVirtualMemorySyscall 0xBE
supdrvNtQueryVirtualMemory_Jump:
mov edx, IMP2(ZwOpenFile@24)
lea edx, [edx + 5]
jmp edx
ENDPROC supdrvNtQueryVirtualMemory_Xxx
%endif
%ifdef RT_ARCH_AMD64
;
; Faking up ZwQueryVirtualMemory on XP64 and W2K3-64 where it's not exported.
; The C code locates and verifies the essentials in ZwRequestWaitReplyPort.
;
extern NAME(g_pfnKiServiceLinkage)
extern NAME(g_pfnKiServiceInternal)
BEGINPROC supdrvNtQueryVirtualMemory_Xxx
%macro NtQueryVirtualMemorySyscall 1
GLOBALNAME supdrvNtQueryVirtualMemory_ %+ %1
mov eax, %1
jmp supdrvNtQueryVirtualMemory_Jump
%endm
NtQueryVirtualMemorySyscall 0x1F
NtQueryVirtualMemorySyscall 0x20
NtQueryVirtualMemorySyscall 0x21
NtQueryVirtualMemorySyscall 0x22
NtQueryVirtualMemorySyscall 0x23
supdrvNtQueryVirtualMemory_Jump:
cli
mov r10, rsp ; save call frame pointer.
mov r11, [NAME(g_pfnKiServiceLinkage) wrt rip]
push 0
push 0
push r10 ; call frame pointer (incoming rsp).
pushfq
push 10h
push r11 ; r11 = KiServiceLinkage (ret w/ unwind info)
jmp qword [NAME(g_pfnKiServiceInternal) wrt rip]
ENDPROC supdrvNtQueryVirtualMemory_Xxx
%endif
%endif ; VBOX_WITH_HARDENING