VirtualBox

source: vbox/trunk/src/VBox/HostDrivers/Support/win/SUPDrvA-win.asm@ 92270

Last change on this file since 92270 was 82968, checked in by vboxsync, 5 years ago

Copyright year updates by scm.

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File size: 3.7 KB
Line 
1; $Id: SUPDrvA-win.asm 82968 2020-02-04 10:35:17Z vboxsync $
2;; @file
3; VirtualBox Support Driver - Windows NT specific assembly parts.
4;
5
6;
7; Copyright (C) 2006-2020 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
34%ifdef VBOX_WITH_HARDENING
35
36 %ifdef RT_ARCH_X86
37;
38; Faking up ZwQueryVirtualMemory on XP and W2K3 where it's not exported.
39; Using ZwOpenFile as a helper as it has the name number of parameters.
40;
41extern IMPNAME(ZwOpenFile@24)
42
43BEGINPROC supdrvNtQueryVirtualMemory_Xxx
44 %macro NtQueryVirtualMemorySyscall 1
45 GLOBALNAME supdrvNtQueryVirtualMemory_ %+ %1
46 mov eax, %1
47 jmp supdrvNtQueryVirtualMemory_Jump
48 %endm
49 NtQueryVirtualMemorySyscall 0xAF
50 NtQueryVirtualMemorySyscall 0xB0
51 NtQueryVirtualMemorySyscall 0xB1
52 NtQueryVirtualMemorySyscall 0xB2
53 NtQueryVirtualMemorySyscall 0xB3
54 NtQueryVirtualMemorySyscall 0xB4
55 NtQueryVirtualMemorySyscall 0xB5
56 NtQueryVirtualMemorySyscall 0xB6
57 NtQueryVirtualMemorySyscall 0xB7
58 NtQueryVirtualMemorySyscall 0xB8
59 NtQueryVirtualMemorySyscall 0xB9
60 NtQueryVirtualMemorySyscall 0xBA
61 NtQueryVirtualMemorySyscall 0xBB
62 NtQueryVirtualMemorySyscall 0xBC
63 NtQueryVirtualMemorySyscall 0xBD
64 NtQueryVirtualMemorySyscall 0xBE
65
66supdrvNtQueryVirtualMemory_Jump:
67 mov edx, IMP2(ZwOpenFile@24)
68 lea edx, [edx + 5]
69 jmp edx
70ENDPROC supdrvNtQueryVirtualMemory_Xxx
71
72 %endif
73
74 %ifdef RT_ARCH_AMD64
75;
76; Faking up ZwQueryVirtualMemory on XP64 and W2K3-64 where it's not exported.
77; The C code locates and verifies the essentials in ZwRequestWaitReplyPort.
78;
79extern NAME(g_pfnKiServiceLinkage)
80extern NAME(g_pfnKiServiceInternal)
81BEGINPROC supdrvNtQueryVirtualMemory_Xxx
82 %macro NtQueryVirtualMemorySyscall 1
83 GLOBALNAME supdrvNtQueryVirtualMemory_ %+ %1
84 mov eax, %1
85 jmp supdrvNtQueryVirtualMemory_Jump
86 %endm
87
88 NtQueryVirtualMemorySyscall 0x1F
89 NtQueryVirtualMemorySyscall 0x20
90 NtQueryVirtualMemorySyscall 0x21
91 NtQueryVirtualMemorySyscall 0x22
92 NtQueryVirtualMemorySyscall 0x23
93
94supdrvNtQueryVirtualMemory_Jump:
95 cli
96 mov r10, rsp ; save call frame pointer.
97 mov r11, [NAME(g_pfnKiServiceLinkage) wrt rip]
98 push 0
99 push 0
100 push r10 ; call frame pointer (incoming rsp).
101 pushfq
102 push 10h
103 push r11 ; r11 = KiServiceLinkage (ret w/ unwind info)
104 jmp qword [NAME(g_pfnKiServiceInternal) wrt rip]
105ENDPROC supdrvNtQueryVirtualMemory_Xxx
106 %endif
107
108%endif ; VBOX_WITH_HARDENING
109
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