Exemplo n.º 1
0
        private static unsafe byte[] CPUID1()
        {
            byte[] buffer = new byte[12];

            if (IntPtr.Size == 4)
            {
                IntPtr p = NativeMethods.VirtualAlloc(
                    IntPtr.Zero,
                    new UIntPtr((uint)x86_CPUID1_INSNS.Length),
                    AllocationTypes.Commit | AllocationTypes.Reserve,
                    MemoryProtections.ExecuteReadWrite);
                try
                {
                    Marshal.Copy(x86_CPUID1_INSNS, 0, p, x86_CPUID1_INSNS.Length);

                    CPUID1Delegate del = (CPUID1Delegate)Marshal.GetDelegateForFunctionPointer(p, typeof(CPUID1Delegate));

                    fixed(byte *newBuffer = &buffer[0])
                    {
                        del(newBuffer);
                    }
                }
                finally
                {
                    NativeMethods.VirtualFree(p, 0, FreeTypes.Release);
                }
            }
            else if (IntPtr.Size == 8)
            {
                IntPtr p = NativeMethods.VirtualAlloc(
                    IntPtr.Zero,
                    new UIntPtr((uint)x64_CPUID1_INSNS.Length),
                    AllocationTypes.Commit | AllocationTypes.Reserve,
                    MemoryProtections.ExecuteReadWrite);
                try
                {
                    Marshal.Copy(x64_CPUID1_INSNS, 0, p, x64_CPUID1_INSNS.Length);

                    CPUID1Delegate del = (CPUID1Delegate)Marshal.GetDelegateForFunctionPointer(p, typeof(CPUID1Delegate));

                    fixed(byte *newBuffer = &buffer[0])
                    {
                        del(newBuffer);
                    }
                }
                finally
                {
                    NativeMethods.VirtualFree(p, 0, FreeTypes.Release);
                }
            }

            return(buffer);
        }
Exemplo n.º 2
0
        unsafe static byte[] CPUID1()
        {
            byte[] buffer = new byte[12];

            // Get the FieldInfo for "_methodPtr"
            Type      delType    = typeof(Delegate);
            FieldInfo _methodPtr = delType.GetField("_methodPtr", BindingFlags.NonPublic | BindingFlags.Instance);

            if (IntPtr.Size == 4)
            {
                IntPtr p = VirtualAlloc(IntPtr.Zero, new UIntPtr((uint)x86_CPUID1_INSNS.Length), AllocationType.COMMIT | AllocationType.RESERVE,
                                        MemoryProtection.EXECUTE_READWRITE);
                try
                {
                    Marshal.Copy(x86_CPUID1_INSNS, 0, p, x86_CPUID1_INSNS.Length);

                    CPUID1Delegate del = (CPUID1Delegate)Marshal.GetDelegateForFunctionPointer(p, typeof(CPUID1Delegate));

                    fixed(byte *newBuffer = &buffer[0])
                    {
                        del(newBuffer);
                    }
                }
                finally
                {
                    VirtualFree(p, 0, 0x8000);
                }
            }
            else if (IntPtr.Size == 8)
            {
                IntPtr p = VirtualAlloc(IntPtr.Zero, new UIntPtr((uint)x64_CPUID1_INSNS.Length), AllocationType.COMMIT | AllocationType.RESERVE,
                                        MemoryProtection.EXECUTE_READWRITE);
                try
                {
                    Marshal.Copy(x64_CPUID1_INSNS, 0, p, x64_CPUID1_INSNS.Length);

                    CPUID1Delegate del = (CPUID1Delegate)Marshal.GetDelegateForFunctionPointer(p, typeof(CPUID1Delegate));

                    fixed(byte *newBuffer = &buffer[0])
                    {
                        del(newBuffer);
                    }
                }
                finally
                {
                    VirtualFree(p, 0, 0x8000);
                }
            }

            return(buffer);
        }
Exemplo n.º 3
0
        unsafe static byte[] CPUID1()
        {
            byte[] buffer = new byte[12];

            // Get the FieldInfo for "_methodPtr"
            Type      delType    = typeof(Delegate);
            FieldInfo _methodPtr = delType.GetField("_methodPtr", BindingFlags.NonPublic | BindingFlags.Instance);

            if (IntPtr.Size == 4)
            {
                CPUID1Delegate del = new CPUID1Delegate(CPUID1a);

                IntPtr p = VirtualAlloc(IntPtr.Zero, new UIntPtr((uint)x86_CPUID1_INSNS.Length), AllocationType.COMMIT | AllocationType.RESERVE,
                                        MemoryProtection.EXECUTE_READWRITE);
                try
                {
                    Marshal.Copy(x86_CPUID1_INSNS, 0, p, x86_CPUID1_INSNS.Length);
                    _methodPtr.SetValue(del, p);     // Set our delegate to our x86 code

                    del(ref buffer);
                }
                finally
                {
                    VirtualFree(p, 0, 0x8000);
                }
            }
            else if (IntPtr.Size == 8)
            {
                CPUID1Delegate del = new CPUID1Delegate(CPUID1a);

                IntPtr p = VirtualAlloc(IntPtr.Zero, new UIntPtr((uint)x64_CPUID1_INSNS.Length), AllocationType.COMMIT | AllocationType.RESERVE,
                                        MemoryProtection.EXECUTE_READWRITE);
                try
                {
                    Marshal.Copy(x64_CPUID1_INSNS, 0, p, x64_CPUID1_INSNS.Length);
                    _methodPtr.SetValue(del, p);     // Set our delegate to our x86 code

                    del(ref buffer);
                }
                finally
                {
                    VirtualFree(p, 0, 0x8000);
                }
            }

            return(buffer);
        }