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Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5565 | serge | 3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
431 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
593 | mikedld | 8 | $Revision: 6319 $ |
9 | |||
10 | |||
357 | serge | 11 | GREEDY_KERNEL equ 0 |
164 | serge | 12 | |
2434 | Serge | 13 | struct APP_HEADER_00_ |
14 | banner dq ? |
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15 | version dd ? ;+8 |
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16 | start dd ? ;+12 |
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17 | i_end dd ? ;+16 |
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18 | mem_size dd ? ;+20 |
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19 | i_param dd ? ;+24 |
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20 | ends |
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164 | serge | 21 | |
2434 | Serge | 22 | struct APP_HEADER_01_ |
23 | banner dq ? |
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24 | version dd ? ;+8 |
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25 | start dd ? ;+12 |
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26 | i_end dd ? ;+16 |
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27 | mem_size dd ? ;+20 |
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28 | stack_top dd ? ;+24 |
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29 | i_param dd ? ;+28 |
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30 | i_icon dd ? ;+32 |
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31 | ends |
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164 | serge | 32 | |
6317 | serge | 33 | struct APP_HDR |
34 | cmdline rd 1 ;0x00 |
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35 | path rd 1 ;0x04 |
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36 | eip rd 1 ;0x08 |
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37 | esp rd 1 ;0x0C |
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38 | _edata rd 1 ;0x10 |
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39 | _emem rd 1 ;0x14 |
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40 | img_base rd 1 ;0x18 |
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41 | img_size rd 1 |
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42 | filename_size rd 1 |
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43 | cmdline_size rd 1 |
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2434 | Serge | 44 | ends |
237 | serge | 45 | |
46 | macro _clear_ op |
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47 | { mov ecx, op/4 |
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2434 | Serge | 48 | xor eax, eax |
49 | cld |
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50 | rep stosd |
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237 | serge | 51 | } |
52 | |||
6317 | serge | 53 | _strlen: |
54 | mov ecx, 0xFFFFFFFF |
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55 | xor eax, eax |
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56 | repne scasb |
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57 | mov eax, 0xFFFFFFFE |
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58 | sub eax, ecx |
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59 | retn |
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60 | |||
521 | diamond | 61 | fs_execute_from_sysdir: |
2434 | Serge | 62 | xor ebx, ebx |
2010 | serge | 63 | fs_execute_from_sysdir_param: |
2434 | Serge | 64 | xor edx, edx |
363 | serge | 65 | |
164 | serge | 66 | align 4 |
363 | serge | 67 | proc fs_execute |
68 | ; ebx - cmdline |
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69 | ; edx - flags |
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70 | ; ebp - full filename |
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71 | |||
1074 | Galkov | 72 | locals |
6317 | serge | 73 | filename rd 1 |
74 | cmdline rd 1 |
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75 | flags rd 1 |
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363 | serge | 76 | |
6317 | serge | 77 | slot rd 1 |
78 | slot_base rd 1 |
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164 | serge | 79 | |
6317 | serge | 80 | ;app header data |
363 | serge | 81 | |
6317 | serge | 82 | hdr_cmdline rd 1 ;0x00 |
83 | hdr_path rd 1 ;0x04 |
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84 | hdr_eip rd 1 ;0x08 |
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85 | hdr_esp rd 1 ;0x0C |
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86 | hdr_edata rd 1 ;0x10 |
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87 | hdr_emem rd 1 ;0x14 |
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88 | file_base rd 1 ;0x18 |
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89 | file_size rd 1 ;0x1c |
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90 | filename_size rd 1 ;0x20 |
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91 | cmdline_size rd 1 ;0x24 |
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363 | serge | 92 | |
6317 | serge | 93 | endl |
363 | serge | 94 | |
6317 | serge | 95 | mov eax, [ebp] |
96 | mov [flags], edx |
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2434 | Serge | 97 | mov [cmdline], ebx |
6317 | serge | 98 | mov [filename], eax |
519 | serge | 99 | |
6317 | serge | 100 | mov eax, [filename] |
2434 | Serge | 101 | stdcall load_file, eax |
102 | mov esi, -ERROR_FILE_NOT_FOUND |
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103 | test eax, eax |
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6319 | serge | 104 | jz .err_file |
237 | serge | 105 | |
2434 | Serge | 106 | mov [file_base], eax |
107 | mov [file_size], ebx |
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237 | serge | 108 | |
2434 | Serge | 109 | lea ebx, [hdr_cmdline] |
110 | call test_app_header |
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111 | mov esi, -0x1F |
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112 | test eax, eax |
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113 | jz .err_hdr |
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237 | serge | 114 | |
6319 | serge | 115 | call lock_application_table |
116 | |||
117 | call alloc_thread_slot |
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118 | mov esi, -0x20 ; too many processes |
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119 | test eax, eax |
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120 | jz .err_0 |
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121 | |||
122 | mov [slot], eax |
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123 | shl eax, 8 |
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124 | lea edi, [SLOT_BASE+eax] |
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125 | mov [slot_base], edi |
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126 | |||
6317 | serge | 127 | ;clean extended information about process |
6319 | serge | 128 | mov ecx, 256/4 |
6317 | serge | 129 | xor eax, eax |
130 | cld |
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131 | rep stosd |
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237 | serge | 132 | |
133 | ; write application name |
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6319 | serge | 134 | stdcall strrchr, [filename], '/' ; now eax points to name without path |
237 | serge | 135 | |
2434 | Serge | 136 | lea esi, [eax+1] |
137 | test eax, eax |
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138 | jnz @F |
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6319 | serge | 139 | mov esi, [filename] |
237 | serge | 140 | @@: |
2987 | Serge | 141 | mov ecx, 11 ; 11 chars for name! 8 - is old value! |
2434 | Serge | 142 | mov edi, [slot_base] |
237 | serge | 143 | .copy_process_name_loop: |
2434 | Serge | 144 | lodsb |
145 | cmp al, '.' |
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146 | jz .copy_process_name_done |
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147 | test al, al |
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148 | jz .copy_process_name_done |
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149 | stosb |
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150 | loop .copy_process_name_loop |
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6317 | serge | 151 | |
237 | serge | 152 | .copy_process_name_done: |
153 | |||
6317 | serge | 154 | mov edi, [cmdline] |
155 | xor eax, eax |
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156 | test edi, edi |
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157 | jz @F |
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269 | serge | 158 | |
6317 | serge | 159 | call _strlen |
160 | cmp eax, 256 |
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161 | jb @F |
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162 | lea ebx, [eax+1] |
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163 | add [hdr_emem], ebx |
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164 | @@: |
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165 | mov [cmdline_size], eax |
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166 | |||
167 | stdcall create_process, [hdr_emem] |
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168 | |||
2434 | Serge | 169 | mov esi, -30; no memory |
170 | test eax, eax |
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6317 | serge | 171 | jz .err_hdr |
237 | serge | 172 | |
6261 | serge | 173 | mov ebx, [sys_proc+LHEAD.prev] |
174 | __list_add eax, ebx, sys_proc |
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175 | |||
6317 | serge | 176 | mov ebx, [hdr_emem] |
5201 | serge | 177 | mov [eax+PROC.mem_used], ebx |
178 | |||
2434 | Serge | 179 | mov ebx, [slot_base] |
5201 | serge | 180 | mov [ebx+APPDATA.process], eax |
237 | serge | 181 | |
5201 | serge | 182 | lea edx, [ebx+APPDATA.list] |
183 | lea ecx, [eax+PROC.thr_list] |
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184 | list_add_tail edx, ecx |
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185 | |||
6317 | serge | 186 | mov esi, sizeof.APP_HDR |
187 | add esi, [cmdline_size] |
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188 | mov edi, [filename] |
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189 | call _strlen |
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190 | add esi, eax |
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191 | mov [filename_size], eax |
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1220 | serge | 192 | |
6317 | serge | 193 | stdcall kernel_alloc, esi |
194 | mov [ebx+APPDATA.exec_params], eax |
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195 | mov edi, eax |
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196 | lea esi, [hdr_cmdline] |
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197 | mov ecx, sizeof.APP_HDR/4 |
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198 | rep movsd |
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1220 | serge | 199 | |
6317 | serge | 200 | mov esi, [filename] |
201 | mov ecx, [filename_size] |
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202 | rep movsb |
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203 | mov ecx, [cmdline_size] |
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204 | mov esi, [cmdline] |
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205 | rep movsb |
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269 | serge | 206 | |
2434 | Serge | 207 | lea eax, [hdr_cmdline] |
6317 | serge | 208 | stdcall set_app_params , [slot], eax, [flags] |
237 | serge | 209 | |
6317 | serge | 210 | mov eax, [process_number] ;set result |
3555 | Serge | 211 | call unlock_application_table |
6317 | serge | 212 | ret |
2987 | Serge | 213 | |
6319 | serge | 214 | .err_0: |
215 | call unlock_application_table |
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216 | |||
247 | serge | 217 | .err_hdr: |
2434 | Serge | 218 | stdcall kernel_free, [file_base] |
6319 | serge | 219 | .err_file: |
2434 | Serge | 220 | mov eax, esi |
221 | ret |
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237 | serge | 222 | endp |
164 | serge | 223 | |
237 | serge | 224 | align 4 |
225 | test_app_header: |
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1074 | Galkov | 226 | virtual at eax |
2434 | Serge | 227 | APP_HEADER_00 APP_HEADER_00_ |
1074 | Galkov | 228 | end virtual |
229 | virtual at eax |
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2434 | Serge | 230 | APP_HEADER_01 APP_HEADER_01_ |
1074 | Galkov | 231 | end virtual |
164 | serge | 232 | |
2434 | Serge | 233 | cmp dword [eax], 'MENU' |
234 | jne .fail |
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235 | cmp word [eax+4], 'ET' |
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236 | jne .fail |
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164 | serge | 237 | |
2434 | Serge | 238 | cmp [eax+6], word '00' |
239 | jne .check_01_header |
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164 | serge | 240 | |
2434 | Serge | 241 | mov ecx, [APP_HEADER_00.start] |
6317 | serge | 242 | mov [ebx+APP_HDR.eip], ecx |
2434 | Serge | 243 | mov edx, [APP_HEADER_00.mem_size] |
6317 | serge | 244 | mov [ebx+APP_HDR._emem], edx |
2434 | Serge | 245 | shr edx, 1 |
246 | sub edx, 0x10 |
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6317 | serge | 247 | mov [ebx+APP_HDR.esp], edx |
2434 | Serge | 248 | mov ecx, [APP_HEADER_00.i_param] |
6317 | serge | 249 | mov [ebx+APP_HDR.cmdline], ecx |
250 | mov [ebx+APP_HDR.path], 0 |
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2434 | Serge | 251 | mov edx, [APP_HEADER_00.i_end] |
6317 | serge | 252 | mov [ebx+APP_HDR._edata], edx |
2434 | Serge | 253 | ret |
164 | serge | 254 | |
237 | serge | 255 | .check_01_header: |
164 | serge | 256 | |
2434 | Serge | 257 | cmp [eax+6], word '01' |
258 | je @f |
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259 | cmp [eax+6], word '02' |
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260 | jne .fail |
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1220 | serge | 261 | @@: |
2434 | Serge | 262 | mov ecx, [APP_HEADER_01.start] |
6317 | serge | 263 | mov [ebx+0x08], ecx |
2434 | Serge | 264 | mov edx, [APP_HEADER_01.mem_size] |
381 | serge | 265 | |
266 | ; \begin{diamond}[20.08.2006] |
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267 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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268 | ; fit in allocated memory to prevent kernel faults) |
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2434 | Serge | 269 | cmp edx, [APP_HEADER_01.i_end] |
270 | jb .fail |
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381 | serge | 271 | ; \end{diamond}[20.08.2006] |
272 | |||
6317 | serge | 273 | mov [ebx+APP_HDR._emem], edx |
2434 | Serge | 274 | mov ecx, [APP_HEADER_01.stack_top] |
6317 | serge | 275 | mov [ebx+APP_HDR.esp], ecx |
2434 | Serge | 276 | mov edx, [APP_HEADER_01.i_param] |
6317 | serge | 277 | mov [ebx+APP_HDR.cmdline], edx |
2434 | Serge | 278 | mov ecx, [APP_HEADER_01.i_icon] |
6317 | serge | 279 | mov [ebx+APP_HDR.path], ecx |
2434 | Serge | 280 | mov edx, [APP_HEADER_01.i_end] |
6317 | serge | 281 | mov [ebx+APP_HDR._edata], edx |
2434 | Serge | 282 | ret |
237 | serge | 283 | .fail: |
2434 | Serge | 284 | xor eax, eax |
285 | ret |
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164 | serge | 286 | |
287 | align 4 |
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5201 | serge | 288 | alloc_thread_slot: |
164 | serge | 289 | ;input: |
290 | ; none |
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291 | ;result: |
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5201 | serge | 292 | ; eax=[new_thread_slot]<>0 - ok |
164 | serge | 293 | ; 0 - failed. |
294 | ;This function find least empty slot. |
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295 | ;It doesn't increase [TASK_COUNT]! |
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5201 | serge | 296 | |
297 | |||
298 | mov edx, thr_slot_map |
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299 | pushfd |
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300 | cli |
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301 | .l1: |
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302 | bsf eax, [edx] |
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303 | jnz .found |
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304 | add edx, 4 |
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305 | cmp edx, thr_slot_map+32 |
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306 | jb .l1 |
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307 | |||
308 | popfd |
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2434 | Serge | 309 | xor eax, eax |
310 | ret |
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5201 | serge | 311 | .found: |
312 | btr [edx], eax |
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313 | sub edx, thr_slot_map |
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314 | lea eax, [eax+edx*8] |
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315 | popfd |
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316 | ret |
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164 | serge | 317 | |
318 | align 4 |
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6317 | serge | 319 | proc create_process stdcall, app_size:dword |
1074 | Galkov | 320 | locals |
5201 | serge | 321 | process dd ? |
1074 | Galkov | 322 | app_tabs dd ? |
323 | endl |
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164 | serge | 324 | |
5201 | serge | 325 | push ebx |
326 | push esi |
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327 | push edi |
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328 | |||
2434 | Serge | 329 | xor eax, eax |
5201 | serge | 330 | mov [process], eax |
164 | serge | 331 | |
2434 | Serge | 332 | mov eax, [app_size] |
6317 | serge | 333 | add eax, 0x3FFFFF |
334 | shr eax, 22 |
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335 | mov [app_tabs], eax |
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170 | serge | 336 | |
5201 | serge | 337 | stdcall kernel_alloc, 0x2000 |
2434 | Serge | 338 | test eax, eax |
339 | jz .fail |
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5201 | serge | 340 | mov [process], eax |
164 | serge | 341 | |
5201 | serge | 342 | lea edi, [eax+PROC.heap_lock] |
5577 | serge | 343 | mov ecx, (PROC.ht_free-PROC.heap_lock)/4 |
5201 | serge | 344 | |
345 | list_init eax |
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346 | add eax, PROC.thr_list |
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347 | list_init eax |
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348 | |||
2434 | Serge | 349 | xor eax, eax |
350 | cld |
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351 | rep stosd |
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465 | serge | 352 | |
5577 | serge | 353 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
354 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
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5201 | serge | 355 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
5577 | serge | 356 | add edi, 8 |
357 | inc eax |
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5201 | serge | 358 | @@: |
359 | stosd |
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360 | inc eax |
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361 | cmp eax, ecx |
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362 | jbe @B |
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363 | |||
364 | mov eax, edi |
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365 | call get_pg_addr |
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366 | mov [edi-4096+PROC.pdt_0_phys], eax |
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367 | |||
2434 | Serge | 368 | mov ecx, (OS_BASE shr 20)/4 |
5201 | serge | 369 | xor eax, eax |
370 | rep stosd |
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371 | |||
372 | mov ecx, (OS_BASE shr 20)/4 |
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373 | mov esi, sys_proc+PROC.pdt_0+(OS_BASE shr 20) |
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2434 | Serge | 374 | rep movsd |
164 | serge | 375 | |
5201 | serge | 376 | mov eax, [edi-8192+PROC.pdt_0_phys] |
5565 | serge | 377 | or eax, PG_SWR |
2434 | Serge | 378 | mov [edi-4096+(page_tabs shr 20)], eax |
378 | serge | 379 | |
6317 | serge | 380 | lea edx, [edi-4096] |
381 | mov esi, [app_tabs] |
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382 | |||
383 | .alloc_page_dir: |
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2434 | Serge | 384 | call alloc_page |
385 | test eax, eax |
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386 | jz .fail |
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6317 | serge | 387 | or eax, PG_UWR |
388 | mov [edx], eax |
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164 | serge | 389 | |
6317 | serge | 390 | mov edi, [tmp_task_ptab] |
391 | stdcall map_page, edi, eax, PG_SWR |
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392 | mov ecx, 1024 |
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2434 | Serge | 393 | xor eax, eax |
394 | rep stosd |
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164 | serge | 395 | |
6317 | serge | 396 | add edx, 4 |
397 | dec esi |
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398 | jnz .alloc_page_dir |
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5565 | serge | 399 | |
6319 | serge | 400 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
5201 | serge | 401 | mov eax, [process] |
402 | |||
403 | pop edi |
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404 | pop esi |
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405 | pop ebx |
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2434 | Serge | 406 | ret |
6319 | serge | 407 | .fail: |
408 | mov ecx, [process] |
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409 | jcxz @F |
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6317 | serge | 410 | |
6319 | serge | 411 | call destroy_process |
164 | serge | 412 | @@: |
2434 | Serge | 413 | xor eax, eax |
5201 | serge | 414 | pop edi |
415 | pop esi |
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416 | pop ebx |
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2434 | Serge | 417 | ret |
164 | serge | 418 | endp |
419 | |||
420 | align 4 |
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421 | proc destroy_page_table stdcall, pg_tab:dword |
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422 | |||
2434 | Serge | 423 | push esi |
164 | serge | 424 | |
2434 | Serge | 425 | mov esi, [pg_tab] |
426 | mov ecx, 1024 |
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164 | serge | 427 | .free: |
2434 | Serge | 428 | mov eax, [esi] |
429 | test eax, 1 |
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430 | jz .next |
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5201 | serge | 431 | test eax, 2 |
432 | jz .next |
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2434 | Serge | 433 | test eax, 1 shl 9 |
434 | jnz .next ;skip shared pages |
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435 | call free_page |
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164 | serge | 436 | .next: |
2434 | Serge | 437 | add esi, 4 |
438 | dec ecx |
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439 | jnz .free |
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440 | pop esi |
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441 | ret |
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164 | serge | 442 | endp |
443 | |||
444 | align 4 |
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5201 | serge | 445 | destroy_process: ;fastcall ecx= ptr to process |
164 | serge | 446 | |
5201 | serge | 447 | lea eax, [ecx+PROC.thr_list] |
448 | cmp eax, [eax+LHEAD.next] |
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449 | jne .exit |
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164 | serge | 450 | |
5201 | serge | 451 | align 4 |
452 | .internal: |
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453 | push ecx |
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164 | serge | 454 | |
6261 | serge | 455 | mov esi, ecx |
456 | list_del esi |
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457 | |||
458 | mov esi, [esi+PROC.dlls_list_ptr] |
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5201 | serge | 459 | call destroy_all_hdlls |
1311 | diamond | 460 | |
5201 | serge | 461 | mov esi, [esp] |
462 | add esi, PROC.pdt_0 |
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463 | mov edi, (0x80000000 shr 20)/4 |
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164 | serge | 464 | .destroy: |
2434 | Serge | 465 | mov eax, [esi] |
466 | test eax, 1 |
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467 | jz .next |
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468 | and eax, not 0xFFF |
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5565 | serge | 469 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
2434 | Serge | 470 | stdcall destroy_page_table, [tmp_task_ptab] |
471 | mov eax, [esi] |
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472 | call free_page |
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164 | serge | 473 | .next: |
2434 | Serge | 474 | add esi, 4 |
475 | dec edi |
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476 | jnz .destroy |
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164 | serge | 477 | |
5201 | serge | 478 | call kernel_free ;ecx still in stack |
479 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
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164 | serge | 480 | .exit: |
2434 | Serge | 481 | ret |
164 | serge | 482 | |
520 | serge | 483 | align 4 |
484 | get_pid: |
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2434 | Serge | 485 | mov eax, [TASK_BASE] |
486 | mov eax, [eax+TASKDATA.pid] |
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487 | ret |
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520 | serge | 488 | |
164 | serge | 489 | pid_to_slot: |
490 | ;Input: |
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491 | ; eax - pid of process |
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492 | ;Output: |
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493 | ; eax - slot of process or 0 if process don't exists |
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494 | ;Search process by PID. |
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2434 | Serge | 495 | push ebx |
496 | push ecx |
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497 | mov ebx, [TASK_COUNT] |
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498 | shl ebx, 5 |
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499 | mov ecx, 2*32 |
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164 | serge | 500 | |
501 | .loop: |
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502 | ;ecx=offset of current process info entry |
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503 | ;ebx=maximum permitted offset |
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2434 | Serge | 504 | cmp byte [CURRENT_TASK+ecx+0xa], 9 |
505 | jz .endloop ;skip empty slots |
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506 | cmp [CURRENT_TASK+ecx+0x4], eax;check PID |
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507 | jz .pid_found |
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164 | serge | 508 | .endloop: |
2434 | Serge | 509 | add ecx, 32 |
510 | cmp ecx, ebx |
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511 | jle .loop |
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164 | serge | 512 | |
2434 | Serge | 513 | pop ecx |
514 | pop ebx |
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515 | xor eax, eax |
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516 | ret |
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164 | serge | 517 | |
518 | .pid_found: |
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2434 | Serge | 519 | shr ecx, 5 |
520 | mov eax, ecx ;convert offset to index of slot |
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521 | pop ecx |
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522 | pop ebx |
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523 | ret |
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164 | serge | 524 | |
525 | check_region: |
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526 | ;input: |
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1329 | Lrz | 527 | ; esi - start of buffer |
528 | ; edx - size of buffer |
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164 | serge | 529 | ;result: |
530 | ; eax = 1 region lays in app memory |
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531 | ; eax = 0 region don't lays in app memory |
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5201 | serge | 532 | |
533 | mov eax, 1 |
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534 | ret |
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535 | if 0 |
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2434 | Serge | 536 | mov eax, [CURRENT_TASK] |
1329 | Lrz | 537 | ; jmp check_process_region |
164 | serge | 538 | ;----------------------------------------------------------------------------- |
1329 | Lrz | 539 | ;check_process_region: |
164 | serge | 540 | ;input: |
541 | ; eax - slot |
||
1329 | Lrz | 542 | ; esi - start of buffer |
543 | ; edx - size of buffer |
||
164 | serge | 544 | ;result: |
545 | ; eax = 1 region lays in app memory |
||
546 | ; eax = 0 region don't lays in app memory |
||
547 | |||
2434 | Serge | 548 | test edx, edx |
549 | jle .ok |
||
550 | shl eax, 5 |
||
551 | cmp word [CURRENT_TASK+eax+0xa], 0 |
||
552 | jnz .failed |
||
553 | shl eax, 3 |
||
554 | mov eax, [SLOT_BASE+eax+0xb8] |
||
555 | test eax, eax |
||
556 | jz .failed |
||
164 | serge | 557 | |
2434 | Serge | 558 | mov eax, 1 |
559 | ret |
||
164 | serge | 560 | .ok: |
2434 | Serge | 561 | mov eax, 1 |
562 | ret |
||
164 | serge | 563 | .failed: |
2434 | Serge | 564 | xor eax, eax |
565 | ret |
||
5201 | serge | 566 | end if |
164 | serge | 567 | |
568 | align 4 |
||
569 | proc read_process_memory |
||
570 | ;Input: |
||
571 | ; eax - process slot |
||
1329 | Lrz | 572 | ; ecx - buffer address |
573 | ; edx - buffer size |
||
574 | ; esi - start address in other process |
||
164 | serge | 575 | ;Output: |
576 | ; eax - number of bytes read. |
||
1074 | Galkov | 577 | locals |
578 | slot dd ? |
||
579 | buff dd ? |
||
580 | r_count dd ? |
||
581 | offset dd ? |
||
582 | tmp_r_cnt dd ? |
||
583 | endl |
||
164 | serge | 584 | |
2434 | Serge | 585 | mov [slot], eax |
586 | mov [buff], ecx |
||
587 | and [r_count], 0 |
||
588 | mov [tmp_r_cnt], edx |
||
589 | mov [offset], esi |
||
164 | serge | 590 | |
2434 | Serge | 591 | pushad |
164 | serge | 592 | .read_mem: |
2434 | Serge | 593 | mov edx, [offset] |
594 | mov ebx, [tmp_r_cnt] |
||
164 | serge | 595 | |
2434 | Serge | 596 | mov ecx, 0x400000 |
597 | and edx, 0x3FFFFF |
||
598 | sub ecx, edx |
||
599 | cmp ecx, ebx |
||
600 | jbe @f |
||
601 | mov ecx, ebx |
||
164 | serge | 602 | @@: |
2434 | Serge | 603 | cmp ecx, 0x8000 |
604 | jna @F |
||
605 | mov ecx, 0x8000 |
||
164 | serge | 606 | @@: |
2434 | Serge | 607 | mov ebx, [offset] |
1220 | serge | 608 | |
2434 | Serge | 609 | push ecx |
610 | stdcall map_memEx, [proc_mem_map], \ |
||
5565 | serge | 611 | [slot], ebx, ecx, PG_READ |
2434 | Serge | 612 | pop ecx |
164 | serge | 613 | |
2434 | Serge | 614 | mov esi, [offset] |
615 | and esi, 0xfff |
||
616 | sub eax, esi |
||
617 | jbe .ret |
||
618 | cmp ecx, eax |
||
619 | jbe @f |
||
620 | mov ecx, eax |
||
621 | mov [tmp_r_cnt], eax |
||
1314 | diamond | 622 | @@: |
2434 | Serge | 623 | add esi, [proc_mem_map] |
624 | mov edi, [buff] |
||
625 | mov edx, ecx |
||
626 | rep movsb |
||
627 | add [r_count], edx |
||
164 | serge | 628 | |
2434 | Serge | 629 | add [offset], edx |
630 | sub [tmp_r_cnt], edx |
||
631 | jnz .read_mem |
||
1314 | diamond | 632 | .ret: |
2434 | Serge | 633 | popad |
634 | mov eax, [r_count] |
||
635 | ret |
||
164 | serge | 636 | endp |
637 | |||
638 | align 4 |
||
639 | proc write_process_memory |
||
640 | ;Input: |
||
641 | ; eax - process slot |
||
1329 | Lrz | 642 | ; ecx - buffer address |
643 | ; edx - buffer size |
||
644 | ; esi - start address in other process |
||
164 | serge | 645 | ;Output: |
646 | ; eax - number of bytes written |
||
647 | |||
1074 | Galkov | 648 | locals |
649 | slot dd ? |
||
650 | buff dd ? |
||
651 | w_count dd ? |
||
652 | offset dd ? |
||
653 | tmp_w_cnt dd ? |
||
654 | endl |
||
164 | serge | 655 | |
2434 | Serge | 656 | mov [slot], eax |
657 | mov [buff], ecx |
||
658 | and [w_count], 0 |
||
659 | mov [tmp_w_cnt], edx |
||
660 | mov [offset], esi |
||
164 | serge | 661 | |
2434 | Serge | 662 | pushad |
164 | serge | 663 | .read_mem: |
2434 | Serge | 664 | mov edx, [offset] |
665 | mov ebx, [tmp_w_cnt] |
||
164 | serge | 666 | |
2434 | Serge | 667 | mov ecx, 0x400000 |
668 | and edx, 0x3FFFFF |
||
669 | sub ecx, edx |
||
670 | cmp ecx, ebx |
||
671 | jbe @f |
||
672 | mov ecx, ebx |
||
164 | serge | 673 | @@: |
2434 | Serge | 674 | cmp ecx, 0x8000 |
675 | jna @F |
||
676 | mov ecx, 0x8000 |
||
164 | serge | 677 | @@: |
2434 | Serge | 678 | mov ebx, [offset] |
679 | push ecx |
||
680 | stdcall map_memEx, [proc_mem_map], \ |
||
5565 | serge | 681 | [slot], ebx, ecx, PG_SWR |
2434 | Serge | 682 | pop ecx |
164 | serge | 683 | |
2434 | Serge | 684 | mov edi, [offset] |
685 | and edi, 0xfff |
||
686 | sub eax, edi |
||
687 | jbe .ret |
||
688 | cmp ecx, eax |
||
689 | jbe @f |
||
690 | mov ecx, eax |
||
691 | mov [tmp_w_cnt], eax |
||
1314 | diamond | 692 | @@: |
2434 | Serge | 693 | add edi, [proc_mem_map] |
694 | mov esi, [buff] |
||
695 | mov edx, ecx |
||
696 | rep movsb |
||
164 | serge | 697 | |
2434 | Serge | 698 | add [w_count], edx |
699 | add [offset], edx |
||
700 | sub [tmp_w_cnt], edx |
||
701 | jnz .read_mem |
||
1314 | diamond | 702 | .ret: |
2434 | Serge | 703 | popad |
704 | mov eax, [w_count] |
||
705 | ret |
||
164 | serge | 706 | endp |
707 | |||
4265 | Serge | 708 | ;ebx = 1 - kernel thread |
709 | ;ecx=thread entry point |
||
710 | ;edx=thread stack pointer |
||
711 | ;creation flags 0x01 - debugged |
||
712 | ; 0x02 - kernel |
||
713 | |||
164 | serge | 714 | align 4 |
715 | proc new_sys_threads |
||
1074 | Galkov | 716 | locals |
5984 | serge | 717 | slot dd ? |
4265 | Serge | 718 | flags dd ? |
1074 | Galkov | 719 | app_cmdline dd ? ;0x00 |
720 | app_path dd ? ;0x04 |
||
721 | app_eip dd ? ;0x08 |
||
722 | app_esp dd ? ;0x0C |
||
723 | app_mem dd ? ;0x10 |
||
724 | endl |
||
164 | serge | 725 | |
4265 | Serge | 726 | shl ebx, 1 |
727 | mov [flags], ebx |
||
164 | serge | 728 | |
2434 | Serge | 729 | xor eax, eax |
730 | mov [app_eip], ecx |
||
731 | mov [app_cmdline], eax |
||
732 | mov [app_esp], edx |
||
733 | mov [app_path], eax |
||
4265 | Serge | 734 | |
3555 | Serge | 735 | call lock_application_table |
164 | serge | 736 | |
5201 | serge | 737 | call alloc_thread_slot |
2434 | Serge | 738 | test eax, eax |
739 | jz .failed |
||
164 | serge | 740 | |
2434 | Serge | 741 | mov [slot], eax |
164 | serge | 742 | |
2434 | Serge | 743 | mov esi, [current_slot] |
744 | mov ebx, esi ;ebx=esi - pointer to extended information about current thread |
||
164 | serge | 745 | |
2434 | Serge | 746 | mov edi, eax |
747 | shl edi, 8 |
||
748 | add edi, SLOT_BASE |
||
749 | mov edx, edi ;edx=edi - pointer to extended infomation about new thread |
||
750 | mov ecx, 256/4 |
||
751 | xor eax, eax |
||
752 | cld |
||
753 | rep stosd ;clean extended information about new thread |
||
754 | mov esi, ebx |
||
755 | mov edi, edx |
||
756 | mov ecx, 11 |
||
757 | rep movsb ;copy process name |
||
164 | serge | 758 | |
759 | |||
2434 | Serge | 760 | mov eax, [ebx+APPDATA.tls_base] |
761 | test eax, eax |
||
762 | jz @F |
||
1220 | serge | 763 | |
2434 | Serge | 764 | push edx |
765 | stdcall user_alloc, 4096 |
||
766 | pop edx |
||
767 | test eax, eax |
||
768 | jz .failed1;eax=0 |
||
1220 | serge | 769 | @@: |
2434 | Serge | 770 | mov [edx+APPDATA.tls_base], eax |
1220 | serge | 771 | |
6240 | serge | 772 | mov eax, [ebx+APPDATA.process] |
773 | mov [edx+APPDATA.process], eax |
||
774 | |||
775 | lea ebx, [edx+APPDATA.list] |
||
776 | lea ecx, [eax+PROC.thr_list] |
||
777 | list_add_tail ebx, ecx ;add thread to process child's list |
||
778 | |||
2434 | Serge | 779 | lea eax, [app_cmdline] |
6317 | serge | 780 | stdcall set_app_params , [slot], eax, [flags] |
237 | serge | 781 | |
2434 | Serge | 782 | mov eax, [process_number] ;set result |
3555 | Serge | 783 | call unlock_application_table |
2434 | Serge | 784 | ret |
164 | serge | 785 | .failed: |
2434 | Serge | 786 | xor eax, eax |
1322 | Lrz | 787 | .failed1: |
3555 | Serge | 788 | call unlock_application_table |
2434 | Serge | 789 | dec eax ;-1 |
790 | ret |
||
164 | serge | 791 | endp |
792 | |||
6317 | serge | 793 | proc map_process_image stdcall, img_size:dword, file_base:dword, file_size:dword |
794 | |||
795 | mov edx, [img_size] |
||
796 | mov esi, [file_base] |
||
797 | mov ecx, [file_size] |
||
798 | add edx, 4095 |
||
799 | add ecx, 4095 |
||
800 | shr edx, 12 ; total pages |
||
801 | shr ecx, 12 ; image pages |
||
802 | |||
803 | mov edi, page_tabs |
||
804 | shr esi, 10 |
||
805 | add esi, edi |
||
806 | |||
807 | .map_image: |
||
808 | lodsd |
||
809 | and eax, -4096 |
||
810 | or eax, PG_UWR |
||
811 | stosd |
||
812 | dec edx |
||
813 | loop .map_image |
||
814 | |||
815 | test edx, edx |
||
816 | jz .done |
||
817 | .map_bss: |
||
818 | call alloc_page |
||
819 | test eax, eax |
||
820 | jz .fail |
||
821 | |||
822 | or eax, PG_UWR |
||
823 | stosd |
||
824 | dec edx |
||
825 | jnz .map_bss |
||
826 | |||
827 | mov edi, [file_size] |
||
828 | mov ecx, [img_size] |
||
829 | add edi, 4095 |
||
830 | and edi, -4096 |
||
831 | add ecx, 4095 |
||
832 | and ecx, -4096 |
||
833 | sub ecx, edi |
||
834 | shr ecx, 2 |
||
835 | xor eax, eax |
||
836 | rep stosd |
||
837 | |||
838 | .done: |
||
839 | .fail: |
||
840 | ret |
||
841 | endp |
||
842 | |||
164 | serge | 843 | align 4 |
6317 | serge | 844 | common_app_entry: |
845 | |||
846 | mov ebp, [current_slot] |
||
847 | mov ebp, [ebp+APPDATA.exec_params] |
||
848 | test ebp, ebp |
||
849 | jz .exit |
||
850 | |||
851 | stdcall map_process_image, [ebp+APP_HDR._emem],\ |
||
852 | [ebp+APP_HDR.img_base], [ebp+APP_HDR.img_size] |
||
853 | |||
854 | xor eax, eax |
||
855 | mov edi, [ebp+APP_HDR.path] |
||
856 | lea esi, [ebp+sizeof.APP_HDR] |
||
857 | mov ecx, [ebp+APP_HDR.filename_size] |
||
858 | test edi, edi |
||
859 | jnz .copy_filename |
||
860 | |||
861 | add esi, ecx |
||
862 | jmp .copy_cmdline |
||
863 | |||
864 | .copy_filename: |
||
865 | rep movsb |
||
866 | stosb |
||
867 | |||
868 | .copy_cmdline: |
||
6319 | serge | 869 | mov edi, [ebp+APP_HDR.cmdline] |
870 | mov ecx, [ebp+APP_HDR.cmdline_size] |
||
6317 | serge | 871 | test edi, edi |
872 | jz .check_tls_header |
||
873 | |||
874 | rep movsb |
||
875 | stosb |
||
876 | |||
877 | .check_tls_header: |
||
878 | |||
879 | cmp word [6], '02' |
||
880 | jne .cleanup |
||
881 | |||
882 | call init_heap |
||
883 | stdcall user_alloc, 4096 |
||
884 | |||
885 | mov edx, [current_slot] |
||
886 | mov [edx+APPDATA.tls_base], eax |
||
887 | mov [tls_data_l+2], ax |
||
888 | shr eax, 16 |
||
889 | mov [tls_data_l+4], al |
||
890 | mov [tls_data_l+7], ah |
||
891 | mov dx, app_tls |
||
892 | mov fs, dx |
||
893 | |||
894 | .cleanup: |
||
895 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
||
896 | stdcall kernel_free, ebp |
||
897 | .exit: |
||
898 | popad |
||
899 | iretd |
||
900 | |||
1074 | Galkov | 901 | EFL_IF equ 0x0200 |
465 | serge | 902 | EFL_IOPL1 equ 0x1000 |
903 | EFL_IOPL2 equ 0x2000 |
||
904 | EFL_IOPL3 equ 0x3000 |
||
905 | |||
237 | serge | 906 | align 4 |
6317 | serge | 907 | proc set_app_params stdcall,slot:dword, params:dword, flags:dword |
164 | serge | 908 | |
1074 | Galkov | 909 | locals |
910 | pl0_stack dd ? |
||
911 | endl |
||
237 | serge | 912 | |
2434 | Serge | 913 | stdcall kernel_alloc, RING0_STACK_SIZE+512 |
914 | mov [pl0_stack], eax |
||
357 | serge | 915 | |
2434 | Serge | 916 | lea edi, [eax+RING0_STACK_SIZE] |
357 | serge | 917 | |
2434 | Serge | 918 | mov eax, [slot] |
919 | mov ebx, eax |
||
357 | serge | 920 | |
2434 | Serge | 921 | shl eax, 8 |
922 | mov [eax+SLOT_BASE+APPDATA.fpu_state], edi |
||
923 | mov [eax+SLOT_BASE+APPDATA.exc_handler], 0 |
||
924 | mov [eax+SLOT_BASE+APPDATA.except_mask], 0 |
||
3500 | Serge | 925 | mov [eax+SLOT_BASE+APPDATA.terminate_protection], 80000001h |
357 | serge | 926 | |
465 | serge | 927 | ;set default io permission map |
2434 | Serge | 928 | mov ecx, [SLOT_BASE+256+APPDATA.io_map] |
929 | mov [eax+SLOT_BASE+APPDATA.io_map], ecx |
||
930 | mov ecx, [SLOT_BASE+256+APPDATA.io_map+4] |
||
931 | mov [eax+SLOT_BASE+APPDATA.io_map+4], ecx |
||
465 | serge | 932 | |
2434 | Serge | 933 | mov esi, fpu_data |
934 | mov ecx, 512/4 |
||
935 | rep movsd |
||
237 | serge | 936 | |
2434 | Serge | 937 | cmp ebx, [TASK_COUNT] |
938 | jle .noinc |
||
939 | inc dword [TASK_COUNT] ;update number of processes |
||
237 | serge | 940 | .noinc: |
2434 | Serge | 941 | shl ebx, 8 |
942 | lea edx, [ebx+SLOT_BASE+APP_EV_OFFSET] |
||
943 | mov [SLOT_BASE+APPDATA.fd_ev+ebx], edx |
||
944 | mov [SLOT_BASE+APPDATA.bk_ev+ebx], edx |
||
354 | serge | 945 | |
2434 | Serge | 946 | add edx, APP_OBJ_OFFSET-APP_EV_OFFSET |
947 | mov [SLOT_BASE+APPDATA.fd_obj+ebx], edx |
||
948 | mov [SLOT_BASE+APPDATA.bk_obj+ebx], edx |
||
237 | serge | 949 | |
2434 | Serge | 950 | mov ecx, [def_cursor] |
951 | mov [SLOT_BASE+APPDATA.cursor+ebx], ecx |
||
952 | mov eax, [pl0_stack] |
||
953 | mov [SLOT_BASE+APPDATA.pl0_stack+ebx], eax |
||
954 | add eax, RING0_STACK_SIZE |
||
955 | mov [SLOT_BASE+APPDATA.saved_esp0+ebx], eax |
||
281 | serge | 956 | |
2434 | Serge | 957 | push ebx |
958 | stdcall kernel_alloc, 0x1000 |
||
959 | pop ebx |
||
960 | mov esi, [current_slot] |
||
961 | mov esi, [esi+APPDATA.cur_dir] |
||
962 | mov ecx, 0x1000/4 |
||
963 | mov edi, eax |
||
964 | mov [ebx+SLOT_BASE+APPDATA.cur_dir], eax |
||
965 | rep movsd |
||
521 | diamond | 966 | |
2434 | Serge | 967 | shr ebx, 3 |
6317 | serge | 968 | mov dword [CURRENT_TASK+ebx+0x10], 0 |
237 | serge | 969 | |
2434 | Serge | 970 | mov ebx, [slot] |
971 | mov eax, ebx |
||
972 | shl ebx, 5 |
||
973 | lea ecx, [draw_data+ebx];ecx - pointer to draw data |
||
465 | serge | 974 | |
237 | serge | 975 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
2434 | Serge | 976 | mov [ebx+window_data+WDATA.fl_wstate], WSTATE_NORMAL |
977 | mov [ebx+window_data+WDATA.fl_redraw], 1 |
||
978 | add ebx, CURRENT_TASK ;ebx - pointer to information about process |
||
979 | mov [ebx+TASKDATA.wnd_number], al;set window number on screen = process slot |
||
237 | serge | 980 | |
2434 | Serge | 981 | mov [ebx+TASKDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
237 | serge | 982 | |
2434 | Serge | 983 | inc dword [process_number] |
984 | mov eax, [process_number] |
||
985 | mov [ebx+4], eax ;set PID |
||
237 | serge | 986 | |
987 | ;set draw data to full screen |
||
2434 | Serge | 988 | xor eax, eax |
989 | mov [ecx+0], dword eax |
||
990 | mov [ecx+4], dword eax |
||
5565 | serge | 991 | mov eax, [screen_workarea.right] |
2434 | Serge | 992 | mov [ecx+8], eax |
5565 | serge | 993 | mov eax, [screen_workarea.bottom] |
2434 | Serge | 994 | mov [ecx+12], eax |
237 | serge | 995 | |
2434 | Serge | 996 | mov ebx, [pl0_stack] |
997 | mov esi, [params] |
||
998 | lea ecx, [ebx+REG_EIP] |
||
999 | xor eax, eax |
||
237 | serge | 1000 | |
6317 | serge | 1001 | mov [ebx+REG_RET], dword common_app_entry |
2434 | Serge | 1002 | mov [ebx+REG_EDI], eax |
1003 | mov [ebx+REG_ESI], eax |
||
1004 | mov [ebx+REG_EBP], eax |
||
1005 | mov [ebx+REG_ESP], ecx;ebx+REG_EIP |
||
1006 | mov [ebx+REG_EBX], eax |
||
1007 | mov [ebx+REG_EDX], eax |
||
1008 | mov [ebx+REG_ECX], eax |
||
1009 | mov [ebx+REG_EAX], eax |
||
237 | serge | 1010 | |
6317 | serge | 1011 | mov eax, [esi+APP_HDR.eip] |
1012 | mov [ebx+REG_EIP], eax |
||
2434 | Serge | 1013 | mov [ebx+REG_CS], dword app_code |
3555 | Serge | 1014 | mov ecx, USER_PRIORITY |
4265 | Serge | 1015 | |
1016 | test byte [flags], 2 |
||
1017 | jz @F |
||
1018 | |||
3500 | Serge | 1019 | mov [ebx+REG_CS], dword os_code ; kernel thread |
3555 | Serge | 1020 | mov ecx, MAX_PRIORITY |
3500 | Serge | 1021 | @@: |
2434 | Serge | 1022 | mov [ebx+REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
465 | serge | 1023 | |
6317 | serge | 1024 | mov eax, [esi+APP_HDR.esp] |
1025 | mov [ebx+REG_APP_ESP], eax |
||
2434 | Serge | 1026 | mov [ebx+REG_SS], dword app_data |
237 | serge | 1027 | |
3555 | Serge | 1028 | lea edx, [ebx+REG_RET] |
2434 | Serge | 1029 | mov ebx, [slot] |
1030 | shl ebx, 5 |
||
3555 | Serge | 1031 | mov [ebx*8+SLOT_BASE+APPDATA.saved_esp], edx |
237 | serge | 1032 | |
3555 | Serge | 1033 | xor edx, edx; process state - running |
237 | serge | 1034 | ; set if debuggee |
2434 | Serge | 1035 | test byte [flags], 1 |
1036 | jz .no_debug |
||
3555 | Serge | 1037 | inc edx ; process state - suspended |
2434 | Serge | 1038 | mov eax, [CURRENT_TASK] |
1039 | mov [SLOT_BASE+ebx*8+APPDATA.debugger_slot], eax |
||
237 | serge | 1040 | .no_debug: |
3555 | Serge | 1041 | mov [CURRENT_TASK+ebx+TASKDATA.state], dl |
1042 | lea edx, [SLOT_BASE+ebx*8] |
||
1043 | call scheduler_add_thread |
||
2434 | Serge | 1044 | ret |
237 | serge | 1045 | endp |
1046 | |||
2010 | serge | 1047 | |
1048 | align 4 |
||
1049 | |||
1050 | get_stack_base: |
||
2434 | Serge | 1051 | mov eax, [current_slot] |
1052 | mov eax, [eax+APPDATA.pl0_stack] |
||
1053 | ret |
||
2010 | serge | 1054 | |
1055 | |||
164 | serge | 1056 | include "debug.inc"> |