获得CPU ID 嵌入汇编代码,VB.Net代码库,德仔网

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【VB.Net】获得CPU ID 嵌入汇编
作者:DDT / 发布于2013/2/17/ 1088
VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   1965
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   3105
   LinkTopic       =   "Form1"
   ScaleHeight     =   1965
   ScaleWidth      =   3105
   StartUpPosition =   2  'Bildschirmmitte
   Begin VB.CommandButton Command1 
      Caption         =   "Get CPU Name"
      Height          =   495
      Left            =   840
      TabIndex        =   0
      Top             =   315
      Width           =   1425
   End
   Begin VB.Label Label2 
      Alignment       =   2  'Zentriert
      AutoSize        =   -1  'True
      BeginProperty Font 
         Name            =   "MS Sans Serif"
         Size            =   9.75
         Charset         =   0
         Weight          =   400
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   240
      Left            =   1515
      TabIndex        =   2
      Top             =   1065
      Width           =   60
   End
   Begin VB.Label Label1 
      Alignment       =   2  'Zentriert
      AutoSize        =   -1  'True
      BeginProperty Font 
         Name            =   "Arial"
         Size            =   12
         Charset         =   0
         Weight          =   700
         Underline       =   0   'False
         Italic          =   0   'False
         Strikethrough   =   0   'False
      EndProperty
      Height          =   285
      Left            =   1515
      TabIndex        =   1
      Top             =   1350
      Width           =   75
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit

Private Sub Command1_MouseDown(Button As Integer, Shift As Integer, x As Single, Y As Single)

    Label1 = ""
    Label2 = ""

End Sub

Private Sub Command1_Click()
    
    Label1 = GetCpuName() & " CPU"
    Label2 = "You have a" & IIf(InStr("AEIOU", Left$(Label1, 1)), "n", "")

End Sub


module1.bas

Option Explicit
'
'This shows how to incorporate machine code into VB
'''''''''''''''''''''''''''''''''''''''''''''''''''
'The example fills the array with a few machine instructions and then copies
'them to a procedure address. The modified procedure is then called thru
'CallWindowProc. The result of this specific machine code is your CPU Vendor Name.
'
'##########################################################################
'Apparently it gets a Stack Pointer Error, but I don't know why; if anybody
'can fix that please let me know...                          UMGEDV@AOL.COM
'The Error is not present in the native compiled version; so I think it got
'something to do with the P-Code Calling Convention (strange though)...
'##########################################################################
'
'Sub Dummy serves to reserve some space to copy the machine instructions into.
'
'
'Tested on Intel and AMD CPU's (uncompiled and compiled)
'
'
Private Declare Function CallWindowProc Lib "user32" Alias "CallWindowProcA" (ByVal lpPrevWndFunc As Long, ByVal hWnd As Long, ByVal Msg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (lpvDest As Any, lpvSource As Any, ByVal cbCopy As Long)
Private x As Long

Public Function GetCpuName() As String
  
  Dim MachineCode(0 To 35)  As Byte
  Dim VarAddr               As Long
  Dim FunctAddr             As Long
  Dim EAX                   As Long
  Dim CPUName(1 To 12)      As Byte
  
  'set up machine code
    
    MachineCode(0) = &H55    'push ebp
    
    MachineCode(1) = &H8B    'move ebp,esp
    MachineCode(2) = &HEC
    
    MachineCode(3) = &H57    'push edi
    
    MachineCode(4) = &H52    'push edx
    
    MachineCode(5) = &H51    'push ecx
    
    MachineCode(6) = &H53    'push ebx
    
    MachineCode(7) = &H8B    'move eax,dword ptr [ebp+8]
    MachineCode(8) = &H45
    MachineCode(9) = &H8
    
    MachineCode(10) = &HF    'cpuid
    MachineCode(11) = &HA2
    
    MachineCode(12) = &H8B   'mov edi,dword ptr [ebp+12]
    MachineCode(13) = &H7D
    MachineCode(14) = &HC
    
    MachineCode(15) = &H89   'move dword ptr [edi],ebx
    MachineCode(16) = &H1F
    
    MachineCode(17) = &H8B   'mov edi,dword ptr [ebp+16]
    MachineCode(18) = &H7D
    MachineCode(19) = &H10
    
    MachineCode(20) = &H89   'move dword ptr [edi],ecx
    MachineCode(21) = &HF
    
    MachineCode(22) = &H8B   'mov edi,dword ptr [ebp+20]
    MachineCode(23) = &H7D
    MachineCode(24) = &H14
    
    MachineCode(25) = &H89   'move dword ptr [edi],edx
    MachineCode(26) = &H17
    
    MachineCode(27) = &H58   'pop ebx

    MachineCode(28) = &H59   'pop ecx

    MachineCode(29) = &H5A   'pop edx

    MachineCode(30) = &H55   'pop edi
    
    MachineCode(31) = &HC9   'leave

    MachineCode(32) = &HC2   'ret 16     I tried everything from 0 to 24
    MachineCode(33) = &H10   '           but all produce the stack error
    MachineCode(34) = &H0
    
    'tell cpuid what we want
    EAX = 0
    
    'get address of Machine Code
    VarAddr = VarPtr(MachineCode(0))
    
    'get address of Sub Dummy
    FunctAddr = GetAddress(AddressOf Dummy)
    
    'copy the Machine Code to where it can be called
    CopyMemory ByVal FunctAddr, ByVal VarAddr, 35 '35 bytes machine code
    
    'call it
    On Error Resume Next 'apparently it gets a stack pointer error when in P-Code but i dont know why
      CallWindowProc FunctAddr, EAX, VarPtr(CPUName(1)), VarPtr(CPUName(9)), VarPtr(CPUName(5))
      'Debug.Print Err; Err.Description
      'MsgBox Err & Err.Description
    On Error GoTo 0
    
    GetCpuName = StrConv(CPUName(), vbUnicode) 'UnicodeName
    
End Function

Private Function GetAddress(Address As Long) As Long

    GetAddress = Address

End Function

Private Sub Dummy()

  'the code below just reserves some space to copy the machine code into
  'it is never executed

    x = 0
    x = 1
    x = 2
    x = 3
    x = 4
    x = 5
    x = 6
    x = 7
    x = 8
    x = 9
    x = 10
    x = 0
    x = 1
    x = 2
    x = 3
    x = 4
    x = 5
    x = 6
    x = 7
    x = 8
    x = 9
    x = 10
   
End Sub
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