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Rev | Author | Line No. | Line |
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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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9715 | Doczom | 3 | ;; Copyright (C) KolibriOS team 2004-2022. All rights reserved. ;; |
6502 | pathoswith | 4 | ;; Distributed under terms of the GNU General Public License. ;; |
2288 | clevermous | 5 | ;; ;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | $Revision: 10008 $ |
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9 | |||
10 | |||
7136 | dunkaist | 11 | GREEDY_KERNEL = 0 |
2288 | clevermous | 12 | |
2384 | hidnplayr | 13 | struct APP_HEADER_01_ |
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 | stack_top dd ? ;+24 |
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20 | i_param dd ? ;+28 |
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21 | i_icon dd ? ;+32 |
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22 | ends |
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2288 | clevermous | 23 | |
6333 | serge | 24 | struct APP_HDR |
25 | cmdline rd 1 ;0x00 |
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26 | path rd 1 ;0x04 |
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27 | eip rd 1 ;0x08 |
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28 | esp rd 1 ;0x0C |
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29 | _edata rd 1 ;0x10 |
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30 | _emem rd 1 ;0x14 |
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31 | img_base rd 1 ;0x18 |
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32 | img_size rd 1 |
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33 | filename_size rd 1 |
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34 | cmdline_size rd 1 |
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6502 | pathoswith | 35 | path_string rd 1 |
2384 | hidnplayr | 36 | ends |
2288 | clevermous | 37 | |
38 | macro _clear_ op |
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39 | { mov ecx, op/4 |
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40 | xor eax, eax |
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41 | cld |
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42 | rep stosd |
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43 | } |
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44 | |||
6333 | serge | 45 | align 4 |
46 | _strnlen: |
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47 | mov edx, ecx |
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48 | xor eax, eax |
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49 | repne scasb |
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50 | jne @F |
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51 | inc ecx |
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52 | @@: |
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53 | mov eax, edx |
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54 | sub eax, ecx |
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55 | retn |
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56 | |||
2288 | clevermous | 57 | fs_execute_from_sysdir: |
58 | xor ebx, ebx |
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59 | fs_execute_from_sysdir_param: |
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6792 | pathoswith | 60 | stdcall kernel_alloc, maxPathLength |
61 | push eax ebx |
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62 | mov esi, ebp |
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63 | mov edi, eax |
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64 | xor eax, eax |
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65 | call getFullPath |
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66 | pop ecx ebx |
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2288 | clevermous | 67 | xor edx, edx |
9031 | Boppan | 68 | ; @brief Executes a program |
69 | ; @param edx Flags |
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70 | ; @param ecx Commandline |
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71 | ; @param ebx Absolute file path |
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72 | ; @param eax String length |
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9032 | Boppan | 73 | ; @returns Negated error code or new process number |
2288 | clevermous | 74 | proc fs_execute |
6502 | pathoswith | 75 | locals |
76 | cmdline rd 1 |
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77 | flags rd 1 |
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8593 | rgimad | 78 | slot rd 1 ; index of new thread slot |
8592 | rgimad | 79 | slot_base rd 1 ; base address of it |
6502 | pathoswith | 80 | ; app header data |
81 | hdr_cmdline rd 1 |
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82 | hdr_path rd 1 |
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83 | hdr_eip rd 1 |
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84 | hdr_esp rd 1 |
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85 | hdr_edata rd 1 |
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86 | hdr_emem rd 1 |
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87 | file_base rd 1 |
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88 | file_size rd 1 |
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89 | filename_size rd 1 |
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90 | cmdline_size rd 1 |
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91 | path_string rd 1 |
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92 | endl |
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2288 | clevermous | 93 | |
9248 | Doczom | 94 | and edx, 1 ;clear flags user. TODO: add api for start apps with user flags |
6333 | serge | 95 | mov [flags], edx |
6792 | pathoswith | 96 | mov [cmdline], ecx |
97 | mov [path_string], ebx |
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98 | mov [filename_size], eax |
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99 | mov esi, -ERROR_FILE_NOT_FOUND |
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6502 | pathoswith | 100 | test eax, eax |
101 | jz .err_file |
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6792 | pathoswith | 102 | stdcall load_file, ebx |
2288 | clevermous | 103 | test eax, eax |
104 | jz .err_file |
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105 | |||
106 | mov [file_base], eax |
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107 | mov [file_size], ebx |
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108 | lea ebx, [hdr_cmdline] |
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8593 | rgimad | 109 | call test_app_header ; fill our app header data locals with values from header of given program (if its correct) |
9038 | Boppan | 110 | mov esi, -TASKMAN_ERROR_NOT_A_EXECUTABLE |
2288 | clevermous | 111 | test eax, eax |
112 | jz .err_hdr |
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113 | |||
3534 | clevermous | 114 | call lock_application_table |
8592 | rgimad | 115 | call alloc_thread_slot ; create a slot for new thread |
9038 | Boppan | 116 | mov esi, -TASKMAN_ERROR_TOO_MANY_PROCESSES |
2288 | clevermous | 117 | test eax, eax |
6333 | serge | 118 | jz .err_0 |
2288 | clevermous | 119 | |
120 | mov [slot], eax |
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9715 | Doczom | 121 | shl eax, BSF sizeof.APPDATA |
122 | lea edi, [SLOT_BASE + eax] |
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6333 | serge | 123 | mov [slot_base], edi |
6502 | pathoswith | 124 | ; clean extended information about process |
8093 | dunkaist | 125 | mov ecx, sizeof.APPDATA/4 |
6333 | serge | 126 | xor eax, eax |
127 | cld |
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128 | rep stosd |
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8592 | rgimad | 129 | ; write application name ( APPDATA.appname ) |
6502 | pathoswith | 130 | stdcall strrchr, [path_string], '/' |
131 | lea esi, [eax+1] ; -> name without path |
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132 | mov ecx, 11 |
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133 | mov edi, [slot_base] |
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2288 | clevermous | 134 | @@: |
6502 | pathoswith | 135 | call utf8to16 |
136 | call uni2ansi_char |
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2288 | clevermous | 137 | cmp al, '.' |
6502 | pathoswith | 138 | jz @f |
2288 | clevermous | 139 | test al, al |
6502 | pathoswith | 140 | jz @f |
2288 | clevermous | 141 | stosb |
6502 | pathoswith | 142 | loop @b |
143 | @@: |
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6333 | serge | 144 | mov edi, [cmdline] |
145 | xor eax, eax |
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146 | test edi, edi |
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6502 | pathoswith | 147 | jz @f |
6333 | serge | 148 | mov ecx, 65535 |
149 | call _strnlen |
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150 | cmp eax, 256 |
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6502 | pathoswith | 151 | jb @f |
8592 | rgimad | 152 | ; if cmdline length >= 256 then increase needed memory size by this length |
6333 | serge | 153 | lea ebx, [eax+1] |
154 | add [hdr_emem], ebx |
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155 | @@: |
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156 | mov [cmdline_size], eax |
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8592 | rgimad | 157 | stdcall create_process, [hdr_emem] ; create a new process |
9038 | Boppan | 158 | mov esi, -TASKMAN_ERROR_OUT_OF_MEMORY |
2288 | clevermous | 159 | test eax, eax |
6333 | serge | 160 | jz .err_hdr |
2288 | clevermous | 161 | |
8592 | rgimad | 162 | ; add new process to the list |
9715 | Doczom | 163 | mov ebx, [sys_proc + LHEAD.prev] |
6263 | serge | 164 | __list_add eax, ebx, sys_proc |
8592 | rgimad | 165 | ; fill the structure fields: |
6333 | serge | 166 | mov ebx, [hdr_emem] |
9715 | Doczom | 167 | mov [eax + PROC.mem_used], ebx |
8592 | rgimad | 168 | |
169 | ; write that main thread of app belongs to new process |
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2288 | clevermous | 170 | mov ebx, [slot_base] |
9715 | Doczom | 171 | mov [ebx + APPDATA.process], eax |
8592 | rgimad | 172 | |
173 | ; initialize the thread list of process: at this moment it consists only of one main thread |
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9715 | Doczom | 174 | lea edx, [ebx + APPDATA.list] |
175 | lea ecx, [eax + PROC.thr_list] |
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5130 | serge | 176 | list_add_tail edx, ecx |
8592 | rgimad | 177 | |
178 | ; allocate space and copy app header data locals and cmdline string there, put pointer to exec_params of new thread |
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6502 | pathoswith | 179 | mov eax, [cmdline_size] |
180 | add eax, sizeof.APP_HDR |
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181 | stdcall kernel_alloc, eax |
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9715 | Doczom | 182 | mov [ebx + APPDATA.exec_params], eax |
6333 | serge | 183 | mov edi, eax |
184 | lea esi, [hdr_cmdline] |
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185 | mov ecx, sizeof.APP_HDR/4 |
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186 | rep movsd |
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187 | mov ecx, [cmdline_size] |
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188 | mov esi, [cmdline] |
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189 | rep movsb |
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8592 | rgimad | 190 | ; set other parameters of application |
2288 | clevermous | 191 | lea eax, [hdr_cmdline] |
6333 | serge | 192 | stdcall set_app_params , [slot], eax, [flags] |
8592 | rgimad | 193 | mov eax, [process_number] ; return process number |
6333 | serge | 194 | call unlock_application_table |
195 | ret |
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2288 | clevermous | 196 | |
6333 | serge | 197 | .err_0: |
3534 | clevermous | 198 | call unlock_application_table |
2288 | clevermous | 199 | .err_hdr: |
200 | stdcall kernel_free, [file_base] |
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201 | .err_file: |
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6502 | pathoswith | 202 | stdcall kernel_free, [path_string] |
2288 | clevermous | 203 | mov eax, esi |
204 | ret |
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205 | endp |
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206 | |||
207 | align 4 |
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208 | test_app_header: |
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209 | virtual at eax |
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2384 | hidnplayr | 210 | APP_HEADER_01 APP_HEADER_01_ |
2288 | clevermous | 211 | end virtual |
212 | |||
213 | cmp dword [eax], 'MENU' |
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214 | jne .fail |
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215 | cmp word [eax+4], 'ET' |
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216 | jne .fail |
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217 | |||
218 | cmp [eax+6], word '01' |
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219 | je @f |
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220 | cmp [eax+6], word '02' |
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221 | jne .fail |
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222 | @@: |
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223 | mov ecx, [APP_HEADER_01.start] |
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9715 | Doczom | 224 | mov [ebx + 0x08], ecx |
2288 | clevermous | 225 | mov edx, [APP_HEADER_01.mem_size] |
226 | |||
227 | ; \begin{diamond}[20.08.2006] |
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228 | ; sanity check (functions 19,58 load app_i_end bytes and that must |
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229 | ; fit in allocated memory to prevent kernel faults) |
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230 | cmp edx, [APP_HEADER_01.i_end] |
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231 | jb .fail |
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232 | ; \end{diamond}[20.08.2006] |
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9794 | Doczom | 233 | cmp edx, OS_BASE ;check memory |
234 | jae .fail |
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235 | mov ecx, [pg_data.pages_free] |
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236 | shl ecx, 12 ; ecx * 4kb |
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237 | cmp edx, ecx |
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238 | jae .fail |
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2288 | clevermous | 239 | |
9715 | Doczom | 240 | mov [ebx + APP_HDR._emem], edx |
2288 | clevermous | 241 | mov ecx, [APP_HEADER_01.stack_top] |
9715 | Doczom | 242 | mov [ebx + APP_HDR.esp], ecx |
2288 | clevermous | 243 | mov edx, [APP_HEADER_01.i_param] |
9715 | Doczom | 244 | mov [ebx + APP_HDR.cmdline], edx |
2288 | clevermous | 245 | mov ecx, [APP_HEADER_01.i_icon] |
9715 | Doczom | 246 | mov [ebx + APP_HDR.path], ecx |
2288 | clevermous | 247 | mov edx, [APP_HEADER_01.i_end] |
9715 | Doczom | 248 | mov [ebx + APP_HDR._edata], edx |
2288 | clevermous | 249 | ret |
250 | .fail: |
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251 | xor eax, eax |
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252 | ret |
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253 | |||
254 | align 4 |
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5130 | serge | 255 | alloc_thread_slot: |
2288 | clevermous | 256 | ;input: |
257 | ; none |
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258 | ;result: |
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5130 | serge | 259 | ; eax=[new_thread_slot]<>0 - ok |
2288 | clevermous | 260 | ; 0 - failed. |
261 | ;This function find least empty slot. |
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8866 | rgimad | 262 | ;It doesn't increase [thread_count]! |
5130 | serge | 263 | |
264 | |||
265 | mov edx, thr_slot_map |
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266 | pushfd |
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267 | cli |
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268 | .l1: |
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269 | bsf eax, [edx] |
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270 | jnz .found |
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271 | add edx, 4 |
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9715 | Doczom | 272 | cmp edx, thr_slot_map + 32 |
5130 | serge | 273 | jb .l1 |
274 | |||
275 | popfd |
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2288 | clevermous | 276 | xor eax, eax |
277 | ret |
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5130 | serge | 278 | .found: |
279 | btr [edx], eax |
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280 | sub edx, thr_slot_map |
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9715 | Doczom | 281 | lea eax, [eax + edx*8] |
5130 | serge | 282 | popfd |
283 | ret |
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2288 | clevermous | 284 | |
285 | align 4 |
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6333 | serge | 286 | proc create_process stdcall, app_size:dword |
2288 | clevermous | 287 | locals |
5130 | serge | 288 | process dd ? |
2288 | clevermous | 289 | app_tabs dd ? |
290 | endl |
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291 | |||
5130 | serge | 292 | push ebx |
293 | push esi |
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294 | push edi |
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295 | |||
2288 | clevermous | 296 | xor eax, eax |
5130 | serge | 297 | mov [process], eax |
2288 | clevermous | 298 | |
299 | mov eax, [app_size] |
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6333 | serge | 300 | add eax, 0x3FFFFF |
301 | shr eax, 22 |
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302 | mov [app_tabs], eax |
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2288 | clevermous | 303 | |
5130 | serge | 304 | stdcall kernel_alloc, 0x2000 |
2288 | clevermous | 305 | test eax, eax |
306 | jz .fail |
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5130 | serge | 307 | mov [process], eax |
2288 | clevermous | 308 | |
9715 | Doczom | 309 | lea edi, [eax + PROC.heap_lock] |
310 | mov ecx, (PROC.ht_free - PROC.heap_lock)/4 |
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5130 | serge | 311 | |
312 | list_init eax |
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313 | add eax, PROC.thr_list |
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314 | list_init eax |
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315 | |||
2288 | clevermous | 316 | xor eax, eax |
317 | cld |
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318 | rep stosd |
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319 | |||
5595 | serge | 320 | mov [edi], dword (PROC.pdt_0 - PROC.htab)/4 - 3 |
321 | mov [edi+4], dword 3 ;reserve handles for stdin stdout and stderr |
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5202 | serge | 322 | mov ecx, (PROC.pdt_0 - PROC.htab)/4 |
5595 | serge | 323 | add edi, 8 |
324 | inc eax |
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5202 | serge | 325 | @@: |
326 | stosd |
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327 | inc eax |
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328 | cmp eax, ecx |
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329 | jbe @B |
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330 | |||
5130 | serge | 331 | mov eax, edi |
332 | call get_pg_addr |
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9900 | Doczom | 333 | mov [edi - PAGE_SIZE + PROC.pdt_0_phys], eax |
5130 | serge | 334 | |
2288 | clevermous | 335 | mov ecx, (OS_BASE shr 20)/4 |
5130 | serge | 336 | xor eax, eax |
337 | rep stosd |
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338 | |||
339 | mov ecx, (OS_BASE shr 20)/4 |
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9715 | Doczom | 340 | mov esi, sys_proc + PROC.pdt_0 + (OS_BASE shr 20) |
2288 | clevermous | 341 | rep movsd |
342 | |||
9715 | Doczom | 343 | mov eax, [edi - 8192 + PROC.pdt_0_phys] |
5356 | serge | 344 | or eax, PG_SWR |
9900 | Doczom | 345 | mov [edi - PAGE_SIZE + (page_tabs shr 20)], eax |
2288 | clevermous | 346 | |
9900 | Doczom | 347 | lea edx, [edi - PAGE_SIZE] |
6333 | serge | 348 | mov esi, [app_tabs] |
2288 | clevermous | 349 | |
6333 | serge | 350 | .alloc_page_dir: |
2288 | clevermous | 351 | call alloc_page |
352 | test eax, eax |
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353 | jz .fail |
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6333 | serge | 354 | or eax, PG_UWR |
355 | mov [edx], eax |
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2288 | clevermous | 356 | |
6333 | serge | 357 | mov edi, [tmp_task_ptab] |
358 | stdcall map_page, edi, eax, PG_SWR |
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9932 | Doczom | 359 | mov ecx, PAGE_SIZE/4 |
2288 | clevermous | 360 | xor eax, eax |
361 | rep stosd |
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362 | |||
6333 | serge | 363 | add edx, 4 |
364 | dec esi |
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365 | jnz .alloc_page_dir |
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2288 | clevermous | 366 | |
6333 | serge | 367 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
5130 | serge | 368 | mov eax, [process] |
369 | |||
370 | pop edi |
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371 | pop esi |
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372 | pop ebx |
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2288 | clevermous | 373 | ret |
374 | .fail: |
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6333 | serge | 375 | mov ecx, [process] |
376 | jcxz @F |
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377 | |||
378 | call destroy_process |
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2288 | clevermous | 379 | @@: |
380 | xor eax, eax |
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5130 | serge | 381 | pop edi |
382 | pop esi |
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383 | pop ebx |
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2288 | clevermous | 384 | ret |
385 | endp |
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386 | |||
387 | align 4 |
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388 | proc destroy_page_table stdcall, pg_tab:dword |
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389 | |||
390 | push esi |
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391 | |||
392 | mov esi, [pg_tab] |
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393 | mov ecx, 1024 |
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394 | .free: |
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395 | mov eax, [esi] |
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396 | test eax, 1 |
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397 | jz .next |
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5130 | serge | 398 | test eax, 2 |
399 | jz .next |
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2288 | clevermous | 400 | test eax, 1 shl 9 |
401 | jnz .next ;skip shared pages |
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402 | call free_page |
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403 | .next: |
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404 | add esi, 4 |
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405 | dec ecx |
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406 | jnz .free |
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407 | pop esi |
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408 | ret |
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409 | endp |
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410 | |||
411 | align 4 |
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5130 | serge | 412 | destroy_process: ;fastcall ecx= ptr to process |
2288 | clevermous | 413 | |
5130 | serge | 414 | lea eax, [ecx+PROC.thr_list] |
415 | cmp eax, [eax+LHEAD.next] |
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416 | jne .exit |
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2288 | clevermous | 417 | |
5130 | serge | 418 | align 4 |
419 | .internal: |
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420 | push ecx |
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2288 | clevermous | 421 | |
6263 | serge | 422 | mov esi, ecx |
423 | list_del esi |
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424 | |||
9715 | Doczom | 425 | mov esi, [esi + PROC.dlls_list_ptr] |
5130 | serge | 426 | call destroy_all_hdlls |
2288 | clevermous | 427 | |
5130 | serge | 428 | mov esi, [esp] |
429 | add esi, PROC.pdt_0 |
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430 | mov edi, (0x80000000 shr 20)/4 |
||
2288 | clevermous | 431 | .destroy: |
432 | mov eax, [esi] |
||
433 | test eax, 1 |
||
434 | jz .next |
||
9900 | Doczom | 435 | and eax, -PAGE_SIZE |
5356 | serge | 436 | stdcall map_page, [tmp_task_ptab], eax, PG_SWR |
2288 | clevermous | 437 | stdcall destroy_page_table, [tmp_task_ptab] |
438 | mov eax, [esi] |
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439 | call free_page |
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440 | .next: |
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441 | add esi, 4 |
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442 | dec edi |
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443 | jnz .destroy |
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444 | |||
5130 | serge | 445 | call kernel_free ;ecx still in stack |
446 | stdcall map_page, [tmp_task_ptab], 0, PG_UNMAP |
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2288 | clevermous | 447 | .exit: |
448 | ret |
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449 | |||
450 | align 4 |
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451 | get_pid: |
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9613 | Doczom | 452 | mov eax, [current_slot] |
9715 | Doczom | 453 | mov eax, [eax + APPDATA.tid] |
2288 | clevermous | 454 | ret |
455 | |||
456 | pid_to_slot: |
||
457 | ;Input: |
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458 | ; eax - pid of process |
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459 | ;Output: |
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460 | ; eax - slot of process or 0 if process don't exists |
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461 | ;Search process by PID. |
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462 | push ebx |
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463 | push ecx |
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8866 | rgimad | 464 | mov ebx, [thread_count] |
9709 | Doczom | 465 | shl ebx, BSF sizeof.APPDATA ; multiply by size |
8851 | rgimad | 466 | ; skip first process in the task table |
9709 | Doczom | 467 | mov ecx, sizeof.APPDATA |
2288 | clevermous | 468 | |
469 | .loop: |
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8851 | rgimad | 470 | ;ecx = offset of current process info entry |
471 | ;ebx = maximum permitted offset |
||
9709 | Doczom | 472 | cmp [SLOT_BASE + ecx + APPDATA.state], TSTATE_FREE |
2288 | clevermous | 473 | jz .endloop ;skip empty slots |
9715 | Doczom | 474 | cmp [SLOT_BASE + ecx + APPDATA.tid], eax |
9692 | Doczom | 475 | jz .pid_found |
2288 | clevermous | 476 | .endloop: |
9709 | Doczom | 477 | add ecx, sizeof.APPDATA |
2288 | clevermous | 478 | cmp ecx, ebx |
479 | jle .loop |
||
480 | |||
481 | pop ecx |
||
482 | pop ebx |
||
483 | xor eax, eax |
||
484 | ret |
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485 | |||
486 | .pid_found: |
||
9709 | Doczom | 487 | shr ecx, BSF sizeof.APPDATA ; divide by size |
2288 | clevermous | 488 | mov eax, ecx ;convert offset to index of slot |
489 | pop ecx |
||
490 | pop ebx |
||
491 | ret |
||
492 | |||
5130 | serge | 493 | |
2288 | clevermous | 494 | align 4 |
495 | proc read_process_memory |
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496 | ;Input: |
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497 | ; eax - process slot |
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498 | ; ecx - buffer address |
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499 | ; edx - buffer size |
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500 | ; esi - start address in other process |
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501 | ;Output: |
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502 | ; eax - number of bytes read. |
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503 | locals |
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504 | slot dd ? |
||
505 | buff dd ? |
||
506 | r_count dd ? |
||
507 | offset dd ? |
||
508 | tmp_r_cnt dd ? |
||
509 | endl |
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510 | |||
511 | mov [slot], eax |
||
512 | mov [buff], ecx |
||
513 | and [r_count], 0 |
||
514 | mov [tmp_r_cnt], edx |
||
515 | mov [offset], esi |
||
516 | |||
517 | pushad |
||
518 | .read_mem: |
||
519 | mov edx, [offset] |
||
520 | mov ebx, [tmp_r_cnt] |
||
521 | |||
522 | mov ecx, 0x400000 |
||
523 | and edx, 0x3FFFFF |
||
524 | sub ecx, edx |
||
525 | cmp ecx, ebx |
||
526 | jbe @f |
||
527 | mov ecx, ebx |
||
528 | @@: |
||
529 | cmp ecx, 0x8000 |
||
530 | jna @F |
||
531 | mov ecx, 0x8000 |
||
532 | @@: |
||
533 | mov ebx, [offset] |
||
534 | |||
535 | push ecx |
||
536 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 537 | [slot], ebx, ecx, PG_READ |
2288 | clevermous | 538 | pop ecx |
539 | |||
540 | mov esi, [offset] |
||
541 | and esi, 0xfff |
||
542 | sub eax, esi |
||
543 | jbe .ret |
||
544 | cmp ecx, eax |
||
545 | jbe @f |
||
546 | mov ecx, eax |
||
547 | mov [tmp_r_cnt], eax |
||
548 | @@: |
||
549 | add esi, [proc_mem_map] |
||
550 | mov edi, [buff] |
||
551 | mov edx, ecx |
||
552 | rep movsb |
||
553 | add [r_count], edx |
||
554 | |||
555 | add [offset], edx |
||
556 | sub [tmp_r_cnt], edx |
||
557 | jnz .read_mem |
||
558 | .ret: |
||
559 | popad |
||
560 | mov eax, [r_count] |
||
561 | ret |
||
562 | endp |
||
563 | |||
564 | align 4 |
||
565 | proc write_process_memory |
||
566 | ;Input: |
||
567 | ; eax - process slot |
||
568 | ; ecx - buffer address |
||
569 | ; edx - buffer size |
||
570 | ; esi - start address in other process |
||
571 | ;Output: |
||
572 | ; eax - number of bytes written |
||
573 | |||
574 | locals |
||
575 | slot dd ? |
||
576 | buff dd ? |
||
577 | w_count dd ? |
||
578 | offset dd ? |
||
579 | tmp_w_cnt dd ? |
||
580 | endl |
||
581 | |||
582 | mov [slot], eax |
||
583 | mov [buff], ecx |
||
584 | and [w_count], 0 |
||
585 | mov [tmp_w_cnt], edx |
||
586 | mov [offset], esi |
||
587 | |||
588 | pushad |
||
589 | .read_mem: |
||
590 | mov edx, [offset] |
||
591 | mov ebx, [tmp_w_cnt] |
||
592 | |||
593 | mov ecx, 0x400000 |
||
594 | and edx, 0x3FFFFF |
||
595 | sub ecx, edx |
||
596 | cmp ecx, ebx |
||
597 | jbe @f |
||
598 | mov ecx, ebx |
||
599 | @@: |
||
600 | cmp ecx, 0x8000 |
||
601 | jna @F |
||
602 | mov ecx, 0x8000 |
||
603 | @@: |
||
604 | mov ebx, [offset] |
||
605 | push ecx |
||
606 | stdcall map_memEx, [proc_mem_map], \ |
||
5356 | serge | 607 | [slot], ebx, ecx, PG_SWR |
2288 | clevermous | 608 | pop ecx |
609 | |||
610 | mov edi, [offset] |
||
611 | and edi, 0xfff |
||
612 | sub eax, edi |
||
613 | jbe .ret |
||
614 | cmp ecx, eax |
||
615 | jbe @f |
||
616 | mov ecx, eax |
||
617 | mov [tmp_w_cnt], eax |
||
618 | @@: |
||
619 | add edi, [proc_mem_map] |
||
620 | mov esi, [buff] |
||
621 | mov edx, ecx |
||
622 | rep movsb |
||
623 | |||
624 | add [w_count], edx |
||
625 | add [offset], edx |
||
626 | sub [tmp_w_cnt], edx |
||
627 | jnz .read_mem |
||
628 | .ret: |
||
629 | popad |
||
630 | mov eax, [w_count] |
||
631 | ret |
||
632 | endp |
||
633 | |||
4105 | Serge | 634 | ;ebx = 1 - kernel thread |
635 | ;ecx=thread entry point |
||
636 | ;edx=thread stack pointer |
||
637 | ;creation flags 0x01 - debugged |
||
638 | ; 0x02 - kernel |
||
639 | |||
2288 | clevermous | 640 | align 4 |
641 | proc new_sys_threads |
||
642 | locals |
||
4105 | Serge | 643 | slot dd ? |
644 | flags dd ? |
||
2288 | clevermous | 645 | app_cmdline dd ? ;0x00 |
646 | app_path dd ? ;0x04 |
||
647 | app_eip dd ? ;0x08 |
||
648 | app_esp dd ? ;0x0C |
||
649 | app_mem dd ? ;0x10 |
||
650 | endl |
||
651 | |||
4105 | Serge | 652 | shl ebx, 1 |
653 | mov [flags], ebx |
||
2288 | clevermous | 654 | |
655 | xor eax, eax |
||
656 | mov [app_eip], ecx |
||
657 | mov [app_cmdline], eax |
||
658 | mov [app_esp], edx |
||
659 | mov [app_path], eax |
||
4105 | Serge | 660 | |
3534 | clevermous | 661 | call lock_application_table |
2288 | clevermous | 662 | |
5130 | serge | 663 | call alloc_thread_slot |
2288 | clevermous | 664 | test eax, eax |
665 | jz .failed |
||
666 | |||
667 | mov [slot], eax |
||
668 | |||
669 | mov esi, [current_slot] |
||
9941 | Doczom | 670 | mov ebx, esi ;ebx=esi - pointer to information about current thread |
2288 | clevermous | 671 | |
672 | mov edi, eax |
||
9715 | Doczom | 673 | shl edi, BSF sizeof.APPDATA |
2288 | clevermous | 674 | add edi, SLOT_BASE |
9941 | Doczom | 675 | mov edx, edi ;edx=edi - pointer to infomation about new thread |
8093 | dunkaist | 676 | mov ecx, sizeof.APPDATA/4 |
2288 | clevermous | 677 | xor eax, eax |
678 | cld |
||
9941 | Doczom | 679 | rep stosd ;clean information about new thread |
2288 | clevermous | 680 | mov esi, ebx |
681 | mov edi, edx |
||
682 | mov ecx, 11 |
||
683 | rep movsb ;copy process name |
||
684 | |||
685 | |||
9715 | Doczom | 686 | mov eax, [ebx + APPDATA.tls_base] |
2288 | clevermous | 687 | test eax, eax |
688 | jz @F |
||
689 | |||
690 | push edx |
||
9900 | Doczom | 691 | stdcall user_alloc, PAGE_SIZE |
2288 | clevermous | 692 | pop edx |
693 | test eax, eax |
||
694 | jz .failed1;eax=0 |
||
695 | @@: |
||
9715 | Doczom | 696 | mov [edx + APPDATA.tls_base], eax |
2288 | clevermous | 697 | |
9715 | Doczom | 698 | mov eax, [ebx + APPDATA.process] |
699 | mov [edx + APPDATA.process], eax |
||
6090 | serge | 700 | |
9715 | Doczom | 701 | lea ebx, [edx + APPDATA.list] |
702 | lea ecx, [eax + PROC.thr_list] |
||
6090 | serge | 703 | list_add_tail ebx, ecx ;add thread to process child's list |
704 | |||
2288 | clevermous | 705 | lea eax, [app_cmdline] |
6333 | serge | 706 | stdcall set_app_params , [slot], eax, [flags] |
2288 | clevermous | 707 | |
708 | mov eax, [process_number] ;set result |
||
3534 | clevermous | 709 | call unlock_application_table |
2288 | clevermous | 710 | ret |
711 | .failed: |
||
712 | xor eax, eax |
||
713 | .failed1: |
||
3534 | clevermous | 714 | call unlock_application_table |
2288 | clevermous | 715 | dec eax ;-1 |
716 | ret |
||
717 | endp |
||
718 | |||
6333 | serge | 719 | proc map_process_image stdcall, img_size:dword, file_base:dword, file_size:dword |
720 | |||
721 | mov edx, [img_size] |
||
722 | mov esi, [file_base] |
||
723 | mov ecx, [file_size] |
||
9900 | Doczom | 724 | add edx, PAGE_SIZE-1 |
725 | add ecx, PAGE_SIZE-1 |
||
6333 | serge | 726 | shr edx, 12 ; total pages |
727 | shr ecx, 12 ; image pages |
||
728 | |||
729 | mov edi, page_tabs |
||
730 | shr esi, 10 |
||
731 | add esi, edi |
||
732 | |||
733 | .map_image: |
||
734 | lodsd |
||
9900 | Doczom | 735 | and eax, -PAGE_SIZE |
6333 | serge | 736 | or eax, PG_UWR |
737 | stosd |
||
738 | dec edx |
||
739 | loop .map_image |
||
740 | |||
741 | test edx, edx |
||
742 | jz .done |
||
743 | .map_bss: |
||
744 | call alloc_page |
||
745 | test eax, eax |
||
746 | jz .fail |
||
747 | |||
748 | or eax, PG_UWR |
||
749 | stosd |
||
750 | dec edx |
||
751 | jnz .map_bss |
||
752 | |||
753 | mov edi, [file_size] |
||
754 | mov ecx, [img_size] |
||
9900 | Doczom | 755 | add edi, PAGE_SIZE-1 |
756 | and edi, -PAGE_SIZE |
||
757 | add ecx, PAGE_SIZE-1 |
||
758 | and ecx, -PAGE_SIZE |
||
6333 | serge | 759 | sub ecx, edi |
760 | shr ecx, 2 |
||
761 | xor eax, eax |
||
762 | rep stosd |
||
763 | .done: |
||
764 | .fail: |
||
765 | ret |
||
766 | endp |
||
767 | |||
2288 | clevermous | 768 | align 4 |
6333 | serge | 769 | common_app_entry: |
770 | mov ebp, [current_slot] |
||
9715 | Doczom | 771 | mov ebp, [ebp + APPDATA.exec_params] |
6333 | serge | 772 | test ebp, ebp |
773 | jz .exit |
||
8709 | Coldy | 774 | ; APPDATA.exec_params have first thread only, |
775 | ; so second and next threads don't get here (they jump to .exit) |
||
9715 | Doczom | 776 | stdcall map_process_image, [ebp + APP_HDR._emem],\ |
777 | [ebp + APP_HDR.img_base], [ebp + APP_HDR.img_size] |
||
778 | mov esi, [ebp + APP_HDR.path_string] |
||
779 | mov edi, [ebp + APP_HDR.path] |
||
780 | mov ecx, [ebp + APP_HDR.filename_size] |
||
6758 | pathoswith | 781 | cmp ecx, 1023 |
782 | jc @f |
||
783 | mov ecx, 1022 |
||
784 | @@: |
||
6502 | pathoswith | 785 | push esi |
786 | test edi, edi |
||
787 | jz @f |
||
9715 | Doczom | 788 | stdcall is_region_userspace, edi, [ebp + APP_HDR.filename_size] |
9045 | dunkaist | 789 | jnz @f |
6758 | pathoswith | 790 | mov al, '/' |
791 | stosb |
||
6502 | pathoswith | 792 | rep movsb |
793 | mov byte [edi], 0 |
||
6338 | serge | 794 | @@: |
6502 | pathoswith | 795 | call kernel_free |
9715 | Doczom | 796 | mov edi, [ebp + APP_HDR.cmdline] |
6333 | serge | 797 | test edi, edi |
798 | jz .check_tls_header |
||
9715 | Doczom | 799 | lea esi, [ebp + sizeof.APP_HDR] |
800 | mov ecx, [ebp + APP_HDR.cmdline_size] |
||
6333 | serge | 801 | cmp ecx, 256 |
802 | jb .copy_cmdline |
||
9715 | Doczom | 803 | mov edi, [ebp + APP_HDR._emem] |
9900 | Doczom | 804 | add edi, PAGE_SIZE-1 |
805 | and edi, -PAGE_SIZE |
||
6333 | serge | 806 | sub edi, ecx |
807 | dec edi |
||
10008 | Doczom | 808 | |
6333 | serge | 809 | mov [APP_HEADER_01_.i_param], edi |
810 | .copy_cmdline: |
||
8593 | rgimad | 811 | inc ecx ; keep in mind about 0 in the end |
812 | stdcall is_region_userspace, edi, ecx |
||
9045 | dunkaist | 813 | jnz .check_tls_header |
8593 | rgimad | 814 | dec ecx |
6333 | serge | 815 | rep movsb |
6502 | pathoswith | 816 | mov byte [edi], 0 |
6333 | serge | 817 | .check_tls_header: |
818 | cmp word [6], '02' |
||
8671 | Coldy | 819 | jne .try_load_dll ;.cleanup |
2288 | clevermous | 820 | call init_heap |
9900 | Doczom | 821 | stdcall user_alloc, PAGE_SIZE |
2288 | clevermous | 822 | mov edx, [current_slot] |
9715 | Doczom | 823 | mov [edx + APPDATA.tls_base], eax |
2288 | clevermous | 824 | mov [tls_data_l+2], ax |
825 | shr eax, 16 |
||
826 | mov [tls_data_l+4], al |
||
827 | mov [tls_data_l+7], ah |
||
828 | mov dx, app_tls |
||
8671 | Coldy | 829 | mov fs, dx |
8709 | Coldy | 830 | ; { Patch by Coldy, For DLL autoload |
831 | .try_load_dll: |
||
832 | ; Test app header version |
||
9715 | Doczom | 833 | mov ecx, dword[ebp + APP_HDR.img_base] |
8671 | Coldy | 834 | cmp dword[ecx+8], 2 |
835 | jne .cleanup |
||
8709 | Coldy | 836 | ;if APP_HEADER.version = 2 => load lib/dll.obj & change eip to APP_STARTUP_THUNK |
8671 | Coldy | 837 | DEBUGF 1, 'K : App header version 2\n' |
838 | stdcall load_library, dll_lib_path, 0 |
||
839 | cmp eax, 0 |
||
840 | jne @f |
||
8709 | Coldy | 841 | ; Something went wrong (TODO: Next 2 line is code copy after .cleanup) |
8671 | Coldy | 842 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
843 | stdcall kernel_free, ebp |
||
8709 | Coldy | 844 | DEBUGF 1, 'K : DLL.OBJ not found! Terminate application!\n' |
8671 | Coldy | 845 | mov ebx, dll_error_msg |
846 | mov ebp, notifyapp |
||
847 | call fs_execute_from_sysdir_param |
||
8709 | Coldy | 848 | ; Terminate process (TODO: Need jump to .cleanup after sys_end ?) |
8671 | Coldy | 849 | call sys_end |
850 | |||
851 | @@: |
||
8709 | Coldy | 852 | ; Find APP_STARTUP_THUNK in DLL.OBJ |
8671 | Coldy | 853 | sub eax, 4 |
8709 | Coldy | 854 | mov eax, [eax] |
8671 | Coldy | 855 | |
856 | ;.change_eip: |
||
857 | mov ecx, [current_slot] |
||
9715 | Doczom | 858 | mov ecx, [ecx + APPDATA.pl0_stack] |
8671 | Coldy | 859 | mov [ecx+REG_EIP], eax |
860 | |||
861 | ; } End patch by Coldy, For DLL autoload |
||
6333 | serge | 862 | .cleanup: |
863 | stdcall free_kernel_space, [ebp+APP_HDR.img_base] |
||
864 | stdcall kernel_free, ebp |
||
6345 | serge | 865 | mov ebx, [current_slot] |
9715 | Doczom | 866 | cmp [ebx + APPDATA.debugger_slot], 0 |
6345 | serge | 867 | je .exit |
9709 | Doczom | 868 | mov [ebx + APPDATA.state], TSTATE_RUN_SUSPENDED |
9715 | Doczom | 869 | mov [ebx + APPDATA.state], TSTATE_RUN_SUSPENDED |
6345 | serge | 870 | call change_task |
6333 | serge | 871 | .exit: |
2288 | clevermous | 872 | popad |
873 | iretd |
||
874 | |||
7136 | dunkaist | 875 | EFL_IF = 0x0200 |
876 | EFL_IOPL1 = 0x1000 |
||
877 | EFL_IOPL2 = 0x2000 |
||
878 | EFL_IOPL3 = 0x3000 |
||
2288 | clevermous | 879 | |
880 | align 4 |
||
6333 | serge | 881 | proc set_app_params stdcall,slot:dword, params:dword, flags:dword |
2288 | clevermous | 882 | |
883 | locals |
||
884 | pl0_stack dd ? |
||
885 | endl |
||
886 | |||
7124 | dunkaist | 887 | mov eax, [xsave_area_size] |
888 | add eax, RING0_STACK_SIZE |
||
889 | stdcall kernel_alloc, eax |
||
2288 | clevermous | 890 | mov [pl0_stack], eax |
891 | |||
892 | lea edi, [eax+RING0_STACK_SIZE] |
||
893 | |||
894 | mov eax, [slot] |
||
895 | mov ebx, eax |
||
896 | |||
9709 | Doczom | 897 | shl eax, BSF sizeof.APPDATA |
9715 | Doczom | 898 | mov [SLOT_BASE + eax + APPDATA.fpu_state], edi |
899 | mov [SLOT_BASE + eax + APPDATA.exc_handler], 0 |
||
900 | mov [SLOT_BASE + eax + APPDATA.except_mask], 0 |
||
901 | mov [SLOT_BASE + eax + APPDATA.terminate_protection], 80000001h |
||
2288 | clevermous | 902 | |
903 | ;set default io permission map |
||
9715 | Doczom | 904 | mov ecx, [SLOT_BASE + sizeof.APPDATA + APPDATA.io_map] |
905 | mov [SLOT_BASE + eax + APPDATA.io_map], ecx |
||
906 | mov ecx, [SLOT_BASE + sizeof.APPDATA + APPDATA.io_map + 4] |
||
907 | mov [SLOT_BASE + eax + APPDATA.io_map + 4], ecx |
||
2288 | clevermous | 908 | |
909 | mov esi, fpu_data |
||
7165 | clevermous | 910 | mov ecx, [xsave_area_size] |
911 | add ecx, 3 |
||
912 | shr ecx, 2 |
||
2288 | clevermous | 913 | rep movsd |
914 | |||
8866 | rgimad | 915 | cmp [thread_count], ebx |
8867 | rgimad | 916 | adc [thread_count], 0 ; update number of processes |
9709 | Doczom | 917 | shl ebx, BSF sizeof.APPDATA |
9715 | Doczom | 918 | lea edx, [SLOT_BASE + ebx + APP_EV_OFFSET] |
919 | mov [SLOT_BASE + ebx + APPDATA.fd_ev], edx |
||
920 | mov [SLOT_BASE + ebx + APPDATA.bk_ev], edx |
||
2288 | clevermous | 921 | |
9715 | Doczom | 922 | add edx, APP_OBJ_OFFSET - APP_EV_OFFSET |
923 | mov [SLOT_BASE + ebx + APPDATA.fd_obj], edx |
||
924 | mov [SLOT_BASE + ebx + APPDATA.bk_obj], edx |
||
2288 | clevermous | 925 | |
926 | mov eax, [pl0_stack] |
||
9715 | Doczom | 927 | mov [SLOT_BASE + ebx + APPDATA.pl0_stack], eax |
2288 | clevermous | 928 | add eax, RING0_STACK_SIZE |
9715 | Doczom | 929 | mov [SLOT_BASE + ebx + APPDATA.saved_esp0], eax |
2288 | clevermous | 930 | |
931 | push ebx |
||
9925 | Doczom | 932 | stdcall kernel_alloc, maxPathLength ;TODO |
2288 | clevermous | 933 | pop ebx |
934 | mov esi, [current_slot] |
||
9715 | Doczom | 935 | mov esi, [esi + APPDATA.cur_dir] |
6502 | pathoswith | 936 | mov ecx, maxPathLength/4 |
2288 | clevermous | 937 | mov edi, eax |
9715 | Doczom | 938 | mov [SLOT_BASE + ebx + APPDATA.cur_dir], eax |
2288 | clevermous | 939 | rep movsd |
940 | |||
9715 | Doczom | 941 | mov [SLOT_BASE + ebx + APPDATA.event_mask], dword 1+2+4;set default event flags (see 40 function) |
9613 | Doczom | 942 | inc dword [process_number] |
943 | mov eax, [process_number] |
||
9715 | Doczom | 944 | mov [SLOT_BASE + ebx + APPDATA.tid], eax ;set TID |
2288 | clevermous | 945 | |
9608 | Doczom | 946 | mov eax, [slot] |
9715 | Doczom | 947 | mov [SLOT_BASE + ebx + APPDATA.wnd_number], al |
9930 | Doczom | 948 | ;mov ebx, eax |
949 | shl eax, BSF sizeof.WDATA |
||
950 | add eax, window_data |
||
951 | mov ecx, eax |
||
952 | mov [SLOT_BASE + ebx + APPDATA.window], eax |
||
953 | mov [eax + WDATA.thread], ebx |
||
954 | add [eax + WDATA.thread], SLOT_BASE |
||
2288 | clevermous | 955 | |
956 | ; set window state to 'normal' (non-minimized/maximized/rolled-up) state |
||
9930 | Doczom | 957 | mov [eax + WDATA.fl_wstate], WSTATE_NORMAL + WSTATE_USED |
958 | mov [eax + WDATA.fl_redraw], WSTATE_REDRAW |
||
2288 | clevermous | 959 | |
9930 | Doczom | 960 | mov edx, [def_cursor] |
961 | mov [eax + WDATA.cursor], edx |
||
962 | |||
2288 | clevermous | 963 | ;set draw data to full screen |
964 | xor eax, eax |
||
10002 | Jurgen | 965 | mov [SLOT_BASE + ebx + APPDATA.def_priority], al |
9930 | Doczom | 966 | mov [ecx + WDATA.draw_data.left], eax |
967 | mov [ecx + WDATA.draw_data.top], eax |
||
5350 | serge | 968 | mov eax, [screen_workarea.right] |
9930 | Doczom | 969 | mov [ecx + WDATA.draw_data.right], eax |
5350 | serge | 970 | mov eax, [screen_workarea.bottom] |
9930 | Doczom | 971 | mov [ecx + WDATA.draw_data.bottom], eax |
2288 | clevermous | 972 | |
973 | mov ebx, [pl0_stack] |
||
974 | mov esi, [params] |
||
9715 | Doczom | 975 | lea ecx, [ebx + REG_EIP] |
2288 | clevermous | 976 | xor eax, eax |
977 | |||
9715 | Doczom | 978 | mov [ebx + REG_RET], dword common_app_entry |
979 | mov [ebx + REG_EDI], eax |
||
980 | mov [ebx + REG_ESI], eax |
||
981 | mov [ebx + REG_EBP], eax |
||
982 | mov [ebx + REG_ESP], ecx;ebx+REG_EIP |
||
983 | mov [ebx + REG_EBX], eax |
||
984 | mov [ebx + REG_EDX], eax |
||
985 | mov [ebx + REG_ECX], eax |
||
986 | mov [ebx + REG_EAX], eax |
||
2288 | clevermous | 987 | |
9715 | Doczom | 988 | mov eax, [esi + APP_HDR.eip] |
989 | mov [ebx + REG_EIP], eax |
||
990 | mov [ebx + REG_CS], dword app_code |
||
3534 | clevermous | 991 | mov ecx, USER_PRIORITY |
4105 | Serge | 992 | |
993 | test byte [flags], 2 |
||
994 | jz @F |
||
995 | |||
9715 | Doczom | 996 | mov [ebx + REG_CS], dword os_code ; kernel thread |
3534 | clevermous | 997 | mov ecx, MAX_PRIORITY |
3325 | clevermous | 998 | @@: |
9715 | Doczom | 999 | mov [ebx + REG_EFLAGS], dword EFL_IOPL1+EFL_IF |
2288 | clevermous | 1000 | |
9715 | Doczom | 1001 | mov eax, [esi + APP_HDR.esp] |
1002 | mov [ebx + REG_APP_ESP], eax |
||
1003 | mov [ebx + REG_SS], dword app_data |
||
2288 | clevermous | 1004 | |
9715 | Doczom | 1005 | lea edx, [ebx + REG_RET] |
2288 | clevermous | 1006 | mov ebx, [slot] |
9709 | Doczom | 1007 | shl ebx, BSF sizeof.APPDATA |
9715 | Doczom | 1008 | mov [SLOT_BASE + ebx + APPDATA.saved_esp], edx |
2288 | clevermous | 1009 | |
3534 | clevermous | 1010 | xor edx, edx; process state - running |
2288 | clevermous | 1011 | ; set if debuggee |
1012 | test byte [flags], 1 |
||
1013 | jz .no_debug |
||
8869 | rgimad | 1014 | mov eax, [current_slot_idx] |
9715 | Doczom | 1015 | mov [SLOT_BASE + ebx + APPDATA.debugger_slot], eax |
2288 | clevermous | 1016 | .no_debug: |
9709 | Doczom | 1017 | mov [SLOT_BASE + ebx + APPDATA.state], dl |
9715 | Doczom | 1018 | lea edx, [SLOT_BASE + ebx] |
3534 | clevermous | 1019 | call scheduler_add_thread |
2288 | clevermous | 1020 | ret |
1021 | endp |
||
1022 | |||
1023 | align 4 |
||
1024 | get_stack_base: |
||
1025 | mov eax, [current_slot] |
||
9715 | Doczom | 1026 | mov eax, [eax + APPDATA.pl0_stack] |
2288 | clevermous | 1027 | ret |
1028 | |||
9832 | turbocat | 1029 | align 4 |
1030 | get_curr_slot: |
||
1031 | mov eax, [current_slot] |
||
1032 | ret |
||
2288 | clevermous | 1033 | |
9911 | Doczom | 1034 | pid_to_appdata: |
1035 | ;Input: |
||
1036 | ; eax - pid of process |
||
1037 | ;Output: |
||
1038 | ; eax - 0 - not found or pointer on APPDATA |
||
1039 | push ebx |
||
1040 | push ecx |
||
1041 | mov ebx, [thread_count] |
||
1042 | shl ebx, BSF sizeof.APPDATA ; multiply by size |
||
1043 | ; skip first process in the task table |
||
9932 | Doczom | 1044 | mov ecx, SLOT_BASE |
1045 | add ebx, ecx |
||
9911 | Doczom | 1046 | .loop: |
1047 | add ecx, sizeof.APPDATA |
||
9932 | Doczom | 1048 | cmp [ecx + APPDATA.state], TSTATE_FREE |
9925 | Doczom | 1049 | jz @f ;skip empty slots |
9932 | Doczom | 1050 | cmp [ecx + APPDATA.tid], eax |
9911 | Doczom | 1051 | jz .pid_found |
9925 | Doczom | 1052 | @@: |
9911 | Doczom | 1053 | cmp ecx, ebx |
1054 | jb .loop |
||
1055 | |||
1056 | pop ecx |
||
1057 | pop ebx |
||
1058 | xor eax, eax |
||
1059 | ret |
||
1060 | .pid_found: |
||
1061 | mov eax, ecx |
||
1062 | pop ecx |
||
1063 | pop ebx |
||
1064 | ret |
||
1065 | |||
2288 | clevermous | 1066 | include "debug.inc"> |