Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 7399 | pavelyakov | 1 | #pragma option OST |
| 2 | #pragma option ON |
||
| 3 | #pragma option cri- |
||
| 4 | #pragma option -CPA |
||
| 5 | #initallvar 0 |
||
| 6 | #jumptomain FALSE |
||
| 7 | |||
| 8 | #startaddress 0x0000 |
||
| 9 | |||
| 10 | #code32 TRUE |
||
| 11 | |||
| 12 | char os_name[8] = {'M','E','N','U','E','T','0','1'}; |
||
| 13 | dword os_version = 0x00000001; |
||
| 14 | dword start_addr = #main; |
||
| 15 | dword final_addr = #______STOP______+32; |
||
| 16 | dword alloc_mem = 20000; |
||
| 17 | dword x86esp_reg = 20000; |
||
| 18 | dword I_Param = #param; |
||
| 19 | dword I_Path = #program_path; |
||
| 20 | char param[4096] ={0}; |
||
| 21 | char program_path[4096] = {0}; |
||
| 22 | |||
| 23 | |||
| 24 | :dword mallocSystem(dword size) |
||
| 25 | { |
||
| 26 | $push ebx |
||
| 27 | $push ecx |
||
| 28 | |||
| 29 | $mov eax, 68 |
||
| 30 | $mov ebx, 12 |
||
| 31 | $mov ecx, size |
||
| 32 | $int 0x40 |
||
| 33 | |||
| 34 | $pop ecx |
||
| 35 | $pop ebx |
||
| 36 | return EAX; |
||
| 37 | } |
||
| 38 | |||
| 39 | :dword offsetAllocData = 0; |
||
| 40 | :dword malloc(dword size) |
||
| 41 | { |
||
| 42 | dword array = 0; |
||
| 43 | dword orderSize = 1; |
||
| 44 | dword order = 0; |
||
| 45 | dword stackAlloc = 0; |
||
| 46 | dword stackKey = 0; |
||
| 47 | dword result = 0; |
||
| 48 | size+=4; |
||
| 49 | IF(!offsetAllocData) offsetAllocData = mallocSystem(4*32); |
||
| 50 | |||
| 51 | WHILE(orderSize |
||
| 52 | { |
||
| 53 | orderSize<<=1; |
||
| 54 | order++; |
||
| 55 | } |
||
| 56 | order<<=2; |
||
| 57 | order += offsetAllocData; |
||
| 58 | |||
| 59 | IF(!DSDWORD[order]) |
||
| 60 | { |
||
| 61 | stackAlloc = mallocSystem(4*50); |
||
| 62 | DSDWORD[order] = stackAlloc; |
||
| 63 | DSDWORD[stackAlloc] = stackAlloc; |
||
| 64 | } |
||
| 65 | ELSE stackAlloc = DSDWORD[order]; |
||
| 66 | |||
| 67 | stackKey = DSDWORD[stackAlloc]; |
||
| 68 | IF(stackKey == stackAlloc) |
||
| 69 | { |
||
| 70 | result = mallocSystem(orderSize); |
||
| 71 | DSDWORD[result] = orderSize; |
||
| 72 | return result+4; |
||
| 73 | } |
||
| 74 | ELSE |
||
| 75 | { |
||
| 76 | result = DSDWORD[stackKey]; |
||
| 77 | DSDWORD[stackAlloc] = stackKey-4; |
||
| 78 | return result+4; |
||
| 79 | } |
||
| 80 | } |
||
| 81 | |||
| 82 | /*:dword freeSystem(dword mptr) |
||
| 83 | { |
||
| 84 | $push eax |
||
| 85 | $push ebx |
||
| 86 | $push ecx |
||
| 87 | |||
| 88 | $mov eax, 68 |
||
| 89 | $mov ebx, 13 |
||
| 90 | $mov ecx, mptr |
||
| 91 | $test ecx, ecx |
||
| 92 | $jz end0 |
||
| 93 | $int 0x40 |
||
| 94 | @end0: |
||
| 95 | $pop ecx |
||
| 96 | $pop ebx |
||
| 97 | $pop eax |
||
| 98 | return 0; |
||
| 99 | }*/ |
||
| 100 | |||
| 101 | :dword free(dword ptr) |
||
| 102 | { |
||
| 103 | dword array = 0; |
||
| 104 | dword orderSize = 1; |
||
| 105 | dword order = 0; |
||
| 106 | dword stackAlloc = 0; |
||
| 107 | dword stackKey = 0; |
||
| 108 | dword result = 0; |
||
| 109 | dword size = 0; |
||
| 110 | size = DSDWORD[ptr-4]; |
||
| 111 | IF(!offsetAllocData) return 0; |
||
| 112 | |||
| 113 | WHILE(orderSize!=size) |
||
| 114 | { |
||
| 115 | orderSize<<=1; |
||
| 116 | order++; |
||
| 117 | } |
||
| 118 | order<<=2; |
||
| 119 | order += offsetAllocData; |
||
| 120 | stackAlloc = DSDWORD[order]; |
||
| 121 | DSDWORD[stackAlloc] += 4; |
||
| 122 | stackKey = DSDWORD[stackAlloc]; |
||
| 123 | order = ptr; |
||
| 124 | orderSize -= 4; |
||
| 125 | WHILE(orderSize) |
||
| 126 | { |
||
| 127 | DSBYTE[order] = 0; |
||
| 128 | order++; |
||
| 129 | orderSize--; |
||
| 130 | } |
||
| 131 | DSDWORD[stackKey] = ptr-4; |
||
| 132 | } |
||
| 133 | |||
| 134 | :dword realloc(dword ptr,size) |
||
| 135 | { |
||
| 136 | dword newMem = 0; |
||
| 137 | dword oldSize = 0; |
||
| 138 | dword ptr1 = 0; |
||
| 139 | dword ptr2 = 0; |
||
| 140 | newMem = malloc(size); |
||
| 141 | oldSize = DSDWORD[ptr-4] - 4; |
||
| 142 | ptr1 = ptr; |
||
| 143 | ptr2 = newMem; |
||
| 144 | WHILE(oldSize) |
||
| 145 | { |
||
| 146 | DSBYTE[ptr2] = DSBYTE[ptr1]; |
||
| 147 | ptr1++; |
||
| 148 | ptr2++; |
||
| 149 | oldSize--; |
||
| 150 | } |
||
| 151 | free(ptr); |
||
| 152 | RETURN newMem; |
||
| 153 | } |
||
| 154 | |||
| 155 | void main() |
||
| 156 | { |
||
| 157 | dword o1 = 0; |
||
| 158 | dword o2 = 0; |
||
| 159 | dword o3 = 0; |
||
| 160 | while(1) |
||
| 161 | { |
||
| 162 | o1 = malloc(1000); |
||
| 163 | o2 = malloc(10000); |
||
| 164 | o3 = malloc(1000); |
||
| 165 | o1 = realloc(o3,2000); |
||
| 166 | free(o2); |
||
| 167 | free(o1); |
||
| 168 | free(o3); |
||
| 169 | } |
||
| 170 | |||
| 171 | EAX = -1; |
||
| 172 | $int 0x40; |
||
| 173 | } |
||
| 174 | |||
| 175 | |||
| 176 | ______STOP______: |