VirtualBox

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

Last change on this file was 98103, checked in by vboxsync, 16 months ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 3.9 KB
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1; $Id: SUPDrvA-win.asm 98103 2023-01-17 14:15:46Z vboxsync $
2;; @file
3; VirtualBox Support Driver - Windows NT specific assembly parts.
4;
5
6;
7; Copyright (C) 2006-2023 Oracle and/or its affiliates.
8;
9; This file is part of VirtualBox base platform packages, as
10; available from https://www.virtualbox.org.
11;
12; This program is free software; you can redistribute it and/or
13; modify it under the terms of the GNU General Public License
14; as published by the Free Software Foundation, in version 3 of the
15; License.
16;
17; This program is distributed in the hope that it will be useful, but
18; WITHOUT ANY WARRANTY; without even the implied warranty of
19; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20; General Public License for more details.
21;
22; You should have received a copy of the GNU General Public License
23; along with this program; if not, see <https://www.gnu.org/licenses>.
24;
25; The contents of this file may alternatively be used under the terms
26; of the Common Development and Distribution License Version 1.0
27; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28; in the VirtualBox distribution, in which case the provisions of the
29; CDDL are applicable instead of those of the GPL.
30;
31; You may elect to license modified versions of this file under the
32; terms and conditions of either the GPL or the CDDL or both.
33;
34; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35;
36
37;*******************************************************************************
38;* Header Files *
39;*******************************************************************************
40%include "iprt/asmdefs.mac"
41
42BEGINCODE
43
44%ifdef VBOX_WITH_HARDENING
45
46 %ifdef RT_ARCH_X86
47;
48; Faking up ZwQueryVirtualMemory on XP and W2K3 where it's not exported.
49; Using ZwOpenFile as a helper as it has the name number of parameters.
50;
51extern IMPNAME(ZwOpenFile@24)
52
53BEGINPROC supdrvNtQueryVirtualMemory_Xxx
54 %macro NtQueryVirtualMemorySyscall 1
55 GLOBALNAME supdrvNtQueryVirtualMemory_ %+ %1
56 mov eax, %1
57 jmp supdrvNtQueryVirtualMemory_Jump
58 %endm
59 NtQueryVirtualMemorySyscall 0xAF
60 NtQueryVirtualMemorySyscall 0xB0
61 NtQueryVirtualMemorySyscall 0xB1
62 NtQueryVirtualMemorySyscall 0xB2
63 NtQueryVirtualMemorySyscall 0xB3
64 NtQueryVirtualMemorySyscall 0xB4
65 NtQueryVirtualMemorySyscall 0xB5
66 NtQueryVirtualMemorySyscall 0xB6
67 NtQueryVirtualMemorySyscall 0xB7
68 NtQueryVirtualMemorySyscall 0xB8
69 NtQueryVirtualMemorySyscall 0xB9
70 NtQueryVirtualMemorySyscall 0xBA
71 NtQueryVirtualMemorySyscall 0xBB
72 NtQueryVirtualMemorySyscall 0xBC
73 NtQueryVirtualMemorySyscall 0xBD
74 NtQueryVirtualMemorySyscall 0xBE
75
76supdrvNtQueryVirtualMemory_Jump:
77 mov edx, IMP2(ZwOpenFile@24)
78 lea edx, [edx + 5]
79 jmp edx
80ENDPROC supdrvNtQueryVirtualMemory_Xxx
81
82 %endif
83
84 %ifdef RT_ARCH_AMD64
85;
86; Faking up ZwQueryVirtualMemory on XP64 and W2K3-64 where it's not exported.
87; The C code locates and verifies the essentials in ZwRequestWaitReplyPort.
88;
89extern NAME(g_pfnKiServiceLinkage)
90extern NAME(g_pfnKiServiceInternal)
91BEGINPROC supdrvNtQueryVirtualMemory_Xxx
92 %macro NtQueryVirtualMemorySyscall 1
93 GLOBALNAME supdrvNtQueryVirtualMemory_ %+ %1
94 mov eax, %1
95 jmp supdrvNtQueryVirtualMemory_Jump
96 %endm
97
98 NtQueryVirtualMemorySyscall 0x1F
99 NtQueryVirtualMemorySyscall 0x20
100 NtQueryVirtualMemorySyscall 0x21
101 NtQueryVirtualMemorySyscall 0x22
102 NtQueryVirtualMemorySyscall 0x23
103
104supdrvNtQueryVirtualMemory_Jump:
105 cli
106 mov r10, rsp ; save call frame pointer.
107 mov r11, [NAME(g_pfnKiServiceLinkage) wrt rip]
108 push 0
109 push 0
110 push r10 ; call frame pointer (incoming rsp).
111 pushfq
112 push 10h
113 push r11 ; r11 = KiServiceLinkage (ret w/ unwind info)
114 jmp qword [NAME(g_pfnKiServiceInternal) wrt rip]
115ENDPROC supdrvNtQueryVirtualMemory_Xxx
116 %endif
117
118%endif ; VBOX_WITH_HARDENING
119
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