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Rev | Author | Line No. | Line |
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3014 | dunkaist | 1 | ;----------------------------------------------------------------------------- |
2 | proc dll.Load, import_table:dword |
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3 | mov esi, [import_table] |
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4 | .next_lib: |
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5 | mov edx, [esi] |
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6 | or edx, edx |
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7 | jz .exit |
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8 | push esi |
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9 | mov esi, [esi + 4] |
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10 | mov edi, s_libdir.fname |
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11 | @@: |
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12 | lodsb |
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13 | stosb |
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14 | or al, al |
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15 | jnz @b |
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16 | mcall 68, 19, s_libdir |
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17 | or eax, eax |
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18 | jz .fail |
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19 | stdcall dll.Link, eax, edx |
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20 | stdcall dll.Init, [eax + 4] |
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21 | pop esi |
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22 | add esi, 8 |
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23 | jmp .next_lib |
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24 | .exit: |
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25 | xor eax, eax |
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26 | ret |
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27 | .fail: |
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28 | add esp, 4 |
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29 | xor eax, eax |
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30 | inc eax |
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31 | ret |
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32 | endp |
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33 | ;----------------------------------------------------------------------------- |
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34 | proc dll.Link, exp:dword, imp:dword |
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35 | push eax |
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36 | mov esi, [imp] |
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37 | test esi, esi |
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38 | jz .done |
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39 | .next: |
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40 | lodsd |
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41 | test eax, eax |
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42 | jz .done |
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43 | stdcall dll.GetProcAddress, [exp], eax |
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44 | or eax, eax |
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45 | jz @f |
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46 | mov [esi - 4], eax |
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47 | jmp .next |
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48 | @@: |
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49 | mov dword[esp], 0 |
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50 | .done: |
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51 | pop eax |
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52 | ret |
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53 | endp |
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54 | ;----------------------------------------------------------------------------- |
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55 | proc dll.Init, dllentry:dword |
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56 | pushad |
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57 | mov eax, mem.Alloc |
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58 | mov ebx, mem.Free |
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59 | mov ecx, mem.ReAlloc |
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60 | mov edx, dll.Load |
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61 | stdcall [dllentry] |
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62 | popad |
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63 | ret |
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64 | endp |
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65 | ;----------------------------------------------------------------------------- |
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66 | proc dll.GetProcAddress, exp:dword, sz_name:dword |
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67 | mov edx, [exp] |
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68 | xor eax, eax |
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69 | .next: |
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70 | or edx, edx |
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71 | jz .end |
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72 | cmp dword[edx], 0 |
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73 | jz .end |
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74 | stdcall strcmp, [edx], [sz_name] |
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75 | test eax, eax |
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76 | jz .ok |
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77 | add edx, 8 |
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78 | jmp .next |
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79 | .ok: |
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80 | mov eax, [edx + 4] |
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81 | .end: |
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82 | ret |
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83 | endp |
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84 | ;----------------------------------------------------------------------------- |
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85 | proc strcmp, str1:dword, str2:dword |
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86 | push esi edi |
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87 | mov esi, [str1] |
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88 | mov edi, [str2] |
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89 | xor eax, eax |
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90 | @@: |
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91 | lodsb |
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92 | scasb |
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93 | jne .fail |
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94 | or al, al |
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95 | jnz @b |
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96 | jmp .ok |
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97 | .fail: |
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98 | or eax, -1 |
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99 | .ok: |
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100 | pop edi esi |
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101 | ret |
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102 | endp |
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103 | ;----------------------------------------------------------------------------- |
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2619 | mario79 | 104 | s_libdir: |
105 | db '/sys/lib/' |
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3014 | dunkaist | 106 | .fname rb 32 |
107 | ;----------------------------------------------------------------------------- |
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108 | proc mem.Alloc, size |
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109 | push ebx ecx |
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110 | mov ecx, [size] |
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111 | mcall 68, 12 |
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112 | pop ecx ebx |
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113 | ret |
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114 | endp |
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115 | ;----------------------------------------------------------------------------- |
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116 | proc mem.ReAlloc, mptr, size |
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117 | push ebx ecx edx |
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118 | mov ecx, [size] |
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119 | or ecx, ecx |
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120 | jz @f |
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121 | @@: |
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122 | mov edx, [mptr] |
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123 | or edx, edx |
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124 | jz @f |
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125 | @@: |
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126 | mcall 68, 20 |
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127 | or eax, eax |
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128 | jz @f |
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129 | @@: |
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130 | pop edx ecx ebx |
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131 | ret |
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132 | endp |
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133 | ;----------------------------------------------------------------------------- |
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134 | proc mem.Free, mptr |
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135 | push ebx ecx |
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136 | mov ecx,[mptr] |
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137 | or ecx,ecx |
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138 | jz @f |
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139 | @@: |
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140 | mcall 68, 13 |
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141 | pop ecx ebx |
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142 | ret |
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143 | endp |
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144 | ;----------------------------------------------------------------------------- |