VirtualBox

source: vbox/trunk/src/VBox/HostDrivers/Support/win/SUPDrvA-win.asm@ 53781

Last change on this file since 53781 was 51958, checked in by vboxsync, 10 years ago

s/ZwReadFile/ZwOpenFile.

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  • Property svn:keywords set to Author Date Id Revision
File size: 3.9 KB
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1; $Id: SUPDrvA-win.asm 51958 2014-07-09 14:44:39Z vboxsync $
2;; @file
3; VirtualBox Support Driver - Windows NT specific assembly parts.
4;
5
6;
7; Copyright (C) 2006-2014 Oracle Corporation
8;
9; This file is part of VirtualBox Open Source Edition (OSE), as
10; available from http://www.virtualbox.org. This file is free software;
11; you can redistribute it and/or modify it under the terms of the GNU
12; General Public License (GPL) as published by the Free Software
13; Foundation, in version 2 as it comes in the "COPYING" file of the
14; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16;
17; The contents of this file may alternatively be used under the terms
18; of the Common Development and Distribution License Version 1.0
19; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20; VirtualBox OSE distribution, in which case the provisions of the
21; CDDL are applicable instead of those of the GPL.
22;
23; You may elect to license modified versions of this file under the
24; terms and conditions of either the GPL or the CDDL or both.
25;
26
27;*******************************************************************************
28;* Header Files *
29;*******************************************************************************
30%include "iprt/asmdefs.mac"
31
32BEGINCODE
33%ifdef RT_ARCH_AMD64
34 %define _DbgPrint DbgPrint
35%endif
36extern _DbgPrint
37
38%if 1 ; see alternative in SUPDrv-win.cpp
39;;
40; Kind of alias for DbgPrint
41export NAME(SUPR0Printf)
42BEGINPROC SUPR0Printf
43 jmp _DbgPrint
44ENDPROC SUPR0Printf
45%endif
46
47
48%ifdef VBOX_WITH_HARDENING
49
50 %ifdef RT_ARCH_X86
51;
52; Faking up ZwQueryVirtualMemory on XP and W2K3 where it's not exported.
53; Using ZwOpenFile as a helper as it has the name number of parameters.
54;
55extern IMPNAME(ZwOpenFile@24)
56
57BEGINPROC supdrvNtQueryVirtualMemory_Xxx
58 %macro NtQueryVirtualMemorySyscall 1
59 GLOBALNAME supdrvNtQueryVirtualMemory_ %+ %1
60 mov eax, %1
61 jmp supdrvNtQueryVirtualMemory_Jump
62 %endm
63 NtQueryVirtualMemorySyscall 0xAF
64 NtQueryVirtualMemorySyscall 0xB0
65 NtQueryVirtualMemorySyscall 0xB1
66 NtQueryVirtualMemorySyscall 0xB2
67 NtQueryVirtualMemorySyscall 0xB3
68 NtQueryVirtualMemorySyscall 0xB4
69 NtQueryVirtualMemorySyscall 0xB5
70 NtQueryVirtualMemorySyscall 0xB6
71 NtQueryVirtualMemorySyscall 0xB7
72 NtQueryVirtualMemorySyscall 0xB8
73 NtQueryVirtualMemorySyscall 0xB9
74 NtQueryVirtualMemorySyscall 0xBA
75 NtQueryVirtualMemorySyscall 0xBB
76 NtQueryVirtualMemorySyscall 0xBC
77 NtQueryVirtualMemorySyscall 0xBD
78 NtQueryVirtualMemorySyscall 0xBE
79
80supdrvNtQueryVirtualMemory_Jump:
81 mov edx, IMP2(ZwOpenFile@24)
82 lea edx, [edx + 5]
83 jmp edx
84ENDPROC supdrvNtQueryVirtualMemory_Xxx
85
86 %endif
87
88 %ifdef RT_ARCH_AMD64
89;
90; Faking up ZwQueryVirtualMemory on XP64 and W2K3-64 where it's not exported.
91; The C code locates and verifies the essentials in ZwRequestWaitReplyPort.
92;
93extern NAME(g_pfnKiServiceLinkage)
94extern NAME(g_pfnKiServiceInternal)
95BEGINPROC supdrvNtQueryVirtualMemory_Xxx
96 %macro NtQueryVirtualMemorySyscall 1
97 GLOBALNAME supdrvNtQueryVirtualMemory_ %+ %1
98 mov eax, %1
99 jmp supdrvNtQueryVirtualMemory_Jump
100 %endm
101
102 NtQueryVirtualMemorySyscall 0x1F
103 NtQueryVirtualMemorySyscall 0x20
104 NtQueryVirtualMemorySyscall 0x21
105 NtQueryVirtualMemorySyscall 0x22
106 NtQueryVirtualMemorySyscall 0x23
107
108supdrvNtQueryVirtualMemory_Jump:
109 cli
110 mov r10, rsp ; save call frame pointer.
111 mov r11, [NAME(g_pfnKiServiceLinkage) wrt rip]
112 push 0
113 push 0
114 push r10 ; call frame pointer (incoming rsp).
115 pushfq
116 push 10h
117 push r11 ; r11 = KiServiceLinkage (ret w/ unwind info)
118 jmp qword [NAME(g_pfnKiServiceInternal) wrt rip]
119ENDPROC supdrvNtQueryVirtualMemory_Xxx
120 %endif
121
122%endif ; VBOX_WITH_HARDENING
123
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