| 1 | ; $Id: SUPDrvA-win.asm 62490 2016-07-22 18:41:49Z vboxsync $
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| 2 | ;; @file
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| 3 | ; VirtualBox Support Driver - Windows NT specific assembly parts.
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| 4 | ;
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| 5 |
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| 6 | ;
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| 7 | ; Copyright (C) 2006-2016 Oracle Corporation
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| 8 | ;
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| 9 | ; This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | ; available from http://www.virtualbox.org. This file is free software;
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| 11 | ; you can redistribute it and/or modify it under the terms of the GNU
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| 12 | ; General Public License (GPL) as published by the Free Software
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| 13 | ; Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | ; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | ; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | ;
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| 17 | ; The contents of this file may alternatively be used under the terms
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| 18 | ; of the Common Development and Distribution License Version 1.0
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| 19 | ; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | ; VirtualBox OSE distribution, in which case the provisions of the
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| 21 | ; CDDL are applicable instead of those of the GPL.
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| 22 | ;
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| 23 | ; You may elect to license modified versions of this file under the
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| 24 | ; terms and conditions of either the GPL or the CDDL or both.
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| 25 | ;
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| 26 |
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| 27 | ;*******************************************************************************
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| 28 | ;* Header Files *
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| 29 | ;*******************************************************************************
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| 30 | %include "iprt/asmdefs.mac"
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| 31 |
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| 32 | BEGINCODE
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| 33 | %ifdef RT_ARCH_AMD64
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| 34 | %define _DbgPrint DbgPrint
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| 35 | %endif
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| 36 | extern _DbgPrint
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| 37 |
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| 38 | %if 1 ; see alternative in SUPDrv-win.cpp
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| 39 | ;;
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| 40 | ; Kind of alias for DbgPrint
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| 41 | export NAME(SUPR0Printf)
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| 42 | BEGINPROC SUPR0Printf
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| 43 | jmp _DbgPrint
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| 44 | ENDPROC SUPR0Printf
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| 45 | %endif
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| 46 |
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| 47 |
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| 48 | %ifdef VBOX_WITH_HARDENING
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| 49 |
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| 50 | %ifdef RT_ARCH_X86
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| 51 | ;
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| 52 | ; Faking up ZwQueryVirtualMemory on XP and W2K3 where it's not exported.
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| 53 | ; Using ZwOpenFile as a helper as it has the name number of parameters.
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| 54 | ;
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| 55 | extern IMPNAME(ZwOpenFile@24)
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| 56 |
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| 57 | BEGINPROC supdrvNtQueryVirtualMemory_Xxx
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| 58 | %macro NtQueryVirtualMemorySyscall 1
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| 59 | GLOBALNAME supdrvNtQueryVirtualMemory_ %+ %1
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| 60 | mov eax, %1
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| 61 | jmp supdrvNtQueryVirtualMemory_Jump
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| 62 | %endm
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| 63 | NtQueryVirtualMemorySyscall 0xAF
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| 64 | NtQueryVirtualMemorySyscall 0xB0
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| 65 | NtQueryVirtualMemorySyscall 0xB1
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| 66 | NtQueryVirtualMemorySyscall 0xB2
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| 67 | NtQueryVirtualMemorySyscall 0xB3
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| 68 | NtQueryVirtualMemorySyscall 0xB4
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| 69 | NtQueryVirtualMemorySyscall 0xB5
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| 70 | NtQueryVirtualMemorySyscall 0xB6
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| 71 | NtQueryVirtualMemorySyscall 0xB7
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| 72 | NtQueryVirtualMemorySyscall 0xB8
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| 73 | NtQueryVirtualMemorySyscall 0xB9
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| 74 | NtQueryVirtualMemorySyscall 0xBA
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| 75 | NtQueryVirtualMemorySyscall 0xBB
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| 76 | NtQueryVirtualMemorySyscall 0xBC
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| 77 | NtQueryVirtualMemorySyscall 0xBD
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| 78 | NtQueryVirtualMemorySyscall 0xBE
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| 79 |
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| 80 | supdrvNtQueryVirtualMemory_Jump:
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| 81 | mov edx, IMP2(ZwOpenFile@24)
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| 82 | lea edx, [edx + 5]
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| 83 | jmp edx
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| 84 | ENDPROC supdrvNtQueryVirtualMemory_Xxx
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| 85 |
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| 86 | %endif
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| 87 |
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| 88 | %ifdef RT_ARCH_AMD64
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| 89 | ;
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| 90 | ; Faking up ZwQueryVirtualMemory on XP64 and W2K3-64 where it's not exported.
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| 91 | ; The C code locates and verifies the essentials in ZwRequestWaitReplyPort.
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| 92 | ;
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| 93 | extern NAME(g_pfnKiServiceLinkage)
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| 94 | extern NAME(g_pfnKiServiceInternal)
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| 95 | BEGINPROC supdrvNtQueryVirtualMemory_Xxx
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| 96 | %macro NtQueryVirtualMemorySyscall 1
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| 97 | GLOBALNAME supdrvNtQueryVirtualMemory_ %+ %1
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| 98 | mov eax, %1
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| 99 | jmp supdrvNtQueryVirtualMemory_Jump
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| 100 | %endm
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| 101 |
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| 102 | NtQueryVirtualMemorySyscall 0x1F
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| 103 | NtQueryVirtualMemorySyscall 0x20
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| 104 | NtQueryVirtualMemorySyscall 0x21
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| 105 | NtQueryVirtualMemorySyscall 0x22
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| 106 | NtQueryVirtualMemorySyscall 0x23
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| 107 |
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| 108 | supdrvNtQueryVirtualMemory_Jump:
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| 109 | cli
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| 110 | mov r10, rsp ; save call frame pointer.
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| 111 | mov r11, [NAME(g_pfnKiServiceLinkage) wrt rip]
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| 112 | push 0
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| 113 | push 0
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| 114 | push r10 ; call frame pointer (incoming rsp).
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| 115 | pushfq
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| 116 | push 10h
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| 117 | push r11 ; r11 = KiServiceLinkage (ret w/ unwind info)
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| 118 | jmp qword [NAME(g_pfnKiServiceInternal) wrt rip]
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| 119 | ENDPROC supdrvNtQueryVirtualMemory_Xxx
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| 120 | %endif
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| 121 |
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| 122 | %endif ; VBOX_WITH_HARDENING
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| 123 |
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