1 | //////////////////////////////////////////////////////////// |
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2 | // Copyright (C) Roman Ryltsov, 2008-2011 |
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3 | // Created by Roman Ryltsov roman@alax.info |
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4 | // |
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5 | // $Id: VirtualHeapPtr.cpp 36 2011-11-05 20:45:20Z roman $ |
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6 | |
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7 | #include "stdafx.h" |
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8 | #include "VirtualHeapPtr.h" |
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9 | |
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10 | //////////////////////////////////////////////////////////// |
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11 | // Main |
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12 | |
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13 | int _tmain(int argc, _TCHAR* argv[]) |
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14 | { |
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15 | _tprintf(_T("g_GlobalVirtualAllocator.GetPageSize() %d\n\n"), g_GlobalVirtualAllocator.GetPageSize()); |
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16 | CDebugHeapPtr<BYTE> p; |
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17 | p.Allocate(1); |
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18 | p[0] = 0x01; |
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19 | _tprintf(_T("p[0] 0x%02X\n"), p[0]); |
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20 | ATLVERIFY(p.Reallocate(2)); |
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21 | p[1] = 0x02; |
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22 | _tprintf(_T("p[0] 0x%02X, p[1] 0x%02X\n"), p[0], p[1]); |
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23 | p[0] = 0x03; |
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24 | _tprintf(_T("p[0] 0x%02X, p[1] 0x%02X\n"), p[0], p[1]); |
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25 | #pragma region PAGE_READONLY |
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26 | //if(FALSE) |
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27 | { |
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28 | p.SetProtection(PAGE_READONLY); |
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29 | _ATLTRY |
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30 | { |
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31 | p[1] = 0x04; |
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32 | _tprintf(_T("p[0] 0x%02X, p[1] 0x%02X\n"), p[0], p[1]); |
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33 | } |
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34 | _ATLCATCHALL() |
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35 | { |
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36 | _tprintf(_T("Oopsie in line %d (Failed to write to PAGE_READONLY memory)\n"), __LINE__); |
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37 | } |
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38 | p.SetProtection(PAGE_READWRITE); |
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39 | p[1] = 0x05; |
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40 | _tprintf(_T("p[0] 0x%02X, p[1] 0x%02X\n"), p[0], p[1]); |
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41 | } |
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42 | #pragma endregion |
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43 | volatile BYTE n; |
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44 | p.SetProtection(PAGE_READWRITE | PAGE_GUARD); |
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45 | #pragma region PAGE_GUARD |
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46 | _ATLTRY |
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47 | { |
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48 | n = p[0]; |
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49 | } |
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50 | _ATLCATCHALL() |
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51 | { |
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52 | _tprintf(_T("Oopsie in line %d (First PAGE_GUARD access)\n"), __LINE__); |
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53 | } |
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54 | _ATLTRY |
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55 | { |
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56 | n = p[1]; |
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57 | } |
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58 | _ATLCATCHALL() |
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59 | { |
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60 | _tprintf(_T("Oopsie in line %d (Second PAGE_GUARD access)\n"), __LINE__); |
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61 | } |
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62 | #pragma endregion |
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63 | #pragma region Invalid Index |
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64 | _ATLTRY |
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65 | { |
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66 | n = p[-1]; |
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67 | } |
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68 | _ATLCATCHALL() |
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69 | { |
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70 | _tprintf(_T("Oopsie in line %d (Reading with a too small index)\n"), __LINE__); |
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71 | } |
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72 | _ATLTRY |
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73 | { |
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74 | p[-1] = n + 1; |
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75 | } |
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76 | _ATLCATCHALL() |
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77 | { |
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78 | _tprintf(_T("Oopsie in line %d (Writing with a too small index)\n"), __LINE__); |
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79 | } |
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80 | _ATLTRY |
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81 | { |
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82 | n = p[2]; |
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83 | } |
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84 | _ATLCATCHALL() |
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85 | { |
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86 | _tprintf(_T("Oopsie in line %d (Reading with a too large index)\n"), __LINE__); |
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87 | } |
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88 | _ATLTRY |
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89 | { |
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90 | p[2] = n + 1; |
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91 | } |
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92 | _ATLCATCHALL() |
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93 | { |
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94 | _tprintf(_T("Oopsie in line %d (Writing with a too large index)\n"), __LINE__); |
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95 | } |
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96 | #pragma endregion |
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97 | return 0; |
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98 | } |
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99 | |
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