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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
5 | ;; ;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
7 | 7 | ||
8 | $Revision: 5088 $ |
8 | $Revision: 5130 $ |
9 | 9 | ||
10 | 10 | ||
11 | DRV_COMPAT equ 5 ;minimal required drivers version |
11 | DRV_COMPAT equ 5 ;minimal required drivers version |
12 | DRV_CURRENT equ 6 ;current drivers model version |
12 | DRV_CURRENT equ 6 ;current drivers model version |
13 | 13 | ||
14 | DRV_VERSION equ (DRV_COMPAT shl 16) or DRV_CURRENT |
14 | DRV_VERSION equ (DRV_COMPAT shl 16) or DRV_CURRENT |
15 | PID_KERNEL equ 1 ;os_idle thread |
15 | PID_KERNEL equ 1 ;os_idle thread |
16 | 16 | ||
17 | 17 | ||
18 | 18 | ||
19 | align 4 |
19 | align 4 |
20 | proc get_notify stdcall, p_ev:dword |
20 | proc get_notify stdcall, p_ev:dword |
21 | 21 | ||
22 | .wait: |
22 | .wait: |
23 | mov ebx, [current_slot] |
23 | mov ebx, [current_slot] |
24 | test dword [ebx+APPDATA.event_mask], EVENT_NOTIFY |
24 | test dword [ebx+APPDATA.event_mask], EVENT_NOTIFY |
25 | jz @f |
25 | jz @f |
26 | and dword [ebx+APPDATA.event_mask], not EVENT_NOTIFY |
26 | and dword [ebx+APPDATA.event_mask], not EVENT_NOTIFY |
27 | mov edi, [p_ev] |
27 | mov edi, [p_ev] |
28 | mov dword [edi], EV_INTR |
28 | mov dword [edi], EV_INTR |
29 | mov eax, [ebx+APPDATA.event] |
29 | mov eax, [ebx+APPDATA.event] |
30 | mov dword [edi+4], eax |
30 | mov dword [edi+4], eax |
31 | ret |
31 | ret |
32 | @@: |
32 | @@: |
33 | call change_task |
33 | call change_task |
34 | jmp .wait |
34 | jmp .wait |
35 | endp |
35 | endp |
36 | 36 | ||
37 | align 4 |
37 | align 4 |
38 | proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword |
38 | proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword |
39 | push ebx |
39 | push ebx |
40 | xor eax, eax |
40 | xor eax, eax |
41 | xor ebx, ebx |
41 | xor ebx, ebx |
42 | mov ah, byte [bus] |
42 | mov ah, byte [bus] |
43 | mov al, 6 |
43 | mov al, 6 |
44 | mov bh, byte [devfn] |
44 | mov bh, byte [devfn] |
45 | mov bl, byte [reg] |
45 | mov bl, byte [reg] |
46 | call pci_read_reg |
46 | call pci_read_reg |
47 | pop ebx |
47 | pop ebx |
48 | ret |
48 | ret |
49 | endp |
49 | endp |
50 | 50 | ||
51 | align 4 |
51 | align 4 |
52 | proc pci_read16 stdcall, bus:dword, devfn:dword, reg:dword |
52 | proc pci_read16 stdcall, bus:dword, devfn:dword, reg:dword |
53 | push ebx |
53 | push ebx |
54 | xor eax, eax |
54 | xor eax, eax |
55 | xor ebx, ebx |
55 | xor ebx, ebx |
56 | mov ah, byte [bus] |
56 | mov ah, byte [bus] |
57 | mov al, 5 |
57 | mov al, 5 |
58 | mov bh, byte [devfn] |
58 | mov bh, byte [devfn] |
59 | mov bl, byte [reg] |
59 | mov bl, byte [reg] |
60 | call pci_read_reg |
60 | call pci_read_reg |
61 | pop ebx |
61 | pop ebx |
62 | ret |
62 | ret |
63 | endp |
63 | endp |
64 | 64 | ||
65 | align 4 |
65 | align 4 |
66 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
66 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
67 | push ebx |
67 | push ebx |
68 | xor eax, eax |
68 | xor eax, eax |
69 | xor ebx, ebx |
69 | xor ebx, ebx |
70 | mov ah, byte [bus] |
70 | mov ah, byte [bus] |
71 | mov al, 4 |
71 | mov al, 4 |
72 | mov bh, byte [devfn] |
72 | mov bh, byte [devfn] |
73 | mov bl, byte [reg] |
73 | mov bl, byte [reg] |
74 | call pci_read_reg |
74 | call pci_read_reg |
75 | pop ebx |
75 | pop ebx |
76 | ret |
76 | ret |
77 | endp |
77 | endp |
78 | 78 | ||
79 | align 4 |
79 | align 4 |
80 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
80 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
81 | push ebx |
81 | push ebx |
82 | xor eax, eax |
82 | xor eax, eax |
83 | xor ebx, ebx |
83 | xor ebx, ebx |
84 | mov ah, byte [bus] |
84 | mov ah, byte [bus] |
85 | mov al, 8 |
85 | mov al, 8 |
86 | mov bh, byte [devfn] |
86 | mov bh, byte [devfn] |
87 | mov bl, byte [reg] |
87 | mov bl, byte [reg] |
88 | mov ecx, [val] |
88 | mov ecx, [val] |
89 | call pci_write_reg |
89 | call pci_write_reg |
90 | pop ebx |
90 | pop ebx |
91 | ret |
91 | ret |
92 | endp |
92 | endp |
93 | 93 | ||
94 | align 4 |
94 | align 4 |
95 | proc pci_write16 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
95 | proc pci_write16 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
96 | push ebx |
96 | push ebx |
97 | xor eax, eax |
97 | xor eax, eax |
98 | xor ebx, ebx |
98 | xor ebx, ebx |
99 | mov ah, byte [bus] |
99 | mov ah, byte [bus] |
100 | mov al, 9 |
100 | mov al, 9 |
101 | mov bh, byte [devfn] |
101 | mov bh, byte [devfn] |
102 | mov bl, byte [reg] |
102 | mov bl, byte [reg] |
103 | mov ecx, [val] |
103 | mov ecx, [val] |
104 | call pci_write_reg |
104 | call pci_write_reg |
105 | pop ebx |
105 | pop ebx |
106 | ret |
106 | ret |
107 | endp |
107 | endp |
108 | 108 | ||
109 | align 4 |
109 | align 4 |
110 | proc pci_write32 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
110 | proc pci_write32 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
111 | push ebx |
111 | push ebx |
112 | xor eax, eax |
112 | xor eax, eax |
113 | xor ebx, ebx |
113 | xor ebx, ebx |
114 | mov ah, byte [bus] |
114 | mov ah, byte [bus] |
115 | mov al, 10 |
115 | mov al, 10 |
116 | mov bh, byte [devfn] |
116 | mov bh, byte [devfn] |
117 | mov bl, byte [reg] |
117 | mov bl, byte [reg] |
118 | mov ecx, [val] |
118 | mov ecx, [val] |
119 | call pci_write_reg |
119 | call pci_write_reg |
120 | pop ebx |
120 | pop ebx |
121 | ret |
121 | ret |
122 | endp |
122 | endp |
123 | 123 | ||
124 | handle equ IOCTL.handle |
124 | handle equ IOCTL.handle |
125 | io_code equ IOCTL.io_code |
125 | io_code equ IOCTL.io_code |
126 | input equ IOCTL.input |
126 | input equ IOCTL.input |
127 | inp_size equ IOCTL.inp_size |
127 | inp_size equ IOCTL.inp_size |
128 | output equ IOCTL.output |
128 | output equ IOCTL.output |
129 | out_size equ IOCTL.out_size |
129 | out_size equ IOCTL.out_size |
130 | 130 | ||
131 | 131 | ||
132 | align 4 |
132 | align 4 |
133 | proc srv_handler stdcall, ioctl:dword |
133 | proc srv_handler stdcall, ioctl:dword |
134 | mov esi, [ioctl] |
134 | mov esi, [ioctl] |
135 | test esi, esi |
135 | test esi, esi |
136 | jz .err |
136 | jz .err |
137 | 137 | ||
138 | mov edi, [esi+handle] |
138 | mov edi, [esi+handle] |
139 | cmp [edi+SRV.magic], ' SRV' |
139 | cmp [edi+SRV.magic], ' SRV' |
140 | jne .fail |
140 | jne .fail |
141 | 141 | ||
142 | cmp [edi+SRV.size], sizeof.SRV |
142 | cmp [edi+SRV.size], sizeof.SRV |
143 | jne .fail |
143 | jne .fail |
144 | 144 | ||
145 | ; stdcall [edi+SRV.srv_proc], esi |
145 | ; stdcall [edi+SRV.srv_proc], esi |
146 | mov eax, [edi+SRV.srv_proc] |
146 | mov eax, [edi+SRV.srv_proc] |
147 | test eax, eax |
147 | test eax, eax |
148 | jz .fail |
148 | jz .fail |
149 | stdcall eax, esi |
149 | stdcall eax, esi |
150 | ret |
150 | ret |
151 | .fail: |
151 | .fail: |
152 | xor eax, eax |
152 | xor eax, eax |
153 | not eax |
153 | not eax |
154 | mov [esi+output], eax |
154 | mov [esi+output], eax |
155 | mov [esi+out_size], 4 |
155 | mov [esi+out_size], 4 |
156 | ret |
156 | ret |
157 | .err: |
157 | .err: |
158 | xor eax, eax |
158 | xor eax, eax |
159 | not eax |
159 | not eax |
160 | ret |
160 | ret |
161 | endp |
161 | endp |
162 | 162 | ||
163 | ; param |
163 | ; param |
164 | ; ecx= io_control |
164 | ; ecx= io_control |
165 | ; |
165 | ; |
166 | ; retval |
166 | ; retval |
167 | ; eax= error code |
167 | ; eax= error code |
168 | 168 | ||
169 | align 4 |
169 | align 4 |
170 | srv_handlerEx: |
170 | srv_handlerEx: |
171 | cmp ecx, OS_BASE |
171 | cmp ecx, OS_BASE |
172 | jae .fail |
172 | jae .fail |
173 | 173 | ||
174 | mov eax, [ecx+handle] |
174 | mov eax, [ecx+handle] |
175 | cmp [eax+SRV.magic], ' SRV' |
175 | cmp [eax+SRV.magic], ' SRV' |
176 | jne .fail |
176 | jne .fail |
177 | 177 | ||
178 | cmp [eax+SRV.size], sizeof.SRV |
178 | cmp [eax+SRV.size], sizeof.SRV |
179 | jne .fail |
179 | jne .fail |
180 | 180 | ||
181 | ; stdcall [eax+SRV.srv_proc], ecx |
181 | ; stdcall [eax+SRV.srv_proc], ecx |
182 | mov eax, [eax+SRV.srv_proc] |
182 | mov eax, [eax+SRV.srv_proc] |
183 | test eax, eax |
183 | test eax, eax |
184 | jz .fail |
184 | jz .fail |
185 | stdcall eax, ecx |
185 | stdcall eax, ecx |
186 | ret |
186 | ret |
187 | .fail: |
187 | .fail: |
188 | or eax, -1 |
188 | or eax, -1 |
189 | ret |
189 | ret |
190 | 190 | ||
191 | restore handle |
191 | restore handle |
192 | restore io_code |
192 | restore io_code |
193 | restore input |
193 | restore input |
194 | restore inp_size |
194 | restore inp_size |
195 | restore output |
195 | restore output |
196 | restore out_size |
196 | restore out_size |
197 | 197 | ||
198 | align 4 |
198 | align 4 |
199 | proc get_service stdcall, sz_name:dword |
199 | proc get_service stdcall, sz_name:dword |
200 | mov eax, [sz_name] |
200 | mov eax, [sz_name] |
201 | test eax, eax |
201 | test eax, eax |
202 | jnz @F |
202 | jnz @F |
203 | ret |
203 | ret |
204 | @@: |
204 | @@: |
205 | mov edx, [srv.fd] |
205 | mov edx, [srv.fd] |
206 | @@: |
206 | @@: |
207 | cmp edx, srv.fd-SRV.fd |
207 | cmp edx, srv.fd-SRV.fd |
208 | je .not_load |
208 | je .not_load |
209 | 209 | ||
210 | stdcall strncmp, edx, [sz_name], 16 |
210 | stdcall strncmp, edx, [sz_name], 16 |
211 | test eax, eax |
211 | test eax, eax |
212 | mov eax, edx |
212 | mov eax, edx |
213 | je .nothing |
213 | je .nothing |
214 | 214 | ||
215 | mov edx, [edx+SRV.fd] |
215 | mov edx, [edx+SRV.fd] |
216 | jmp @B |
216 | jmp @B |
217 | .not_load: |
217 | .not_load: |
218 | mov eax, [sz_name] |
218 | mov eax, [sz_name] |
219 | push edi |
219 | push edi |
220 | sub esp, 36 |
220 | sub esp, 36 |
221 | mov edi, esp |
221 | mov edi, esp |
222 | mov dword [edi], '/sys' |
222 | mov dword [edi], '/sys' |
223 | mov dword [edi+4], '/dri' |
223 | mov dword [edi+4], '/dri' |
224 | mov dword [edi+8], 'vers' |
224 | mov dword [edi+8], 'vers' |
225 | mov byte [edi+12], '/' |
225 | mov byte [edi+12], '/' |
226 | @@: |
226 | @@: |
227 | mov dl, [eax] |
227 | mov dl, [eax] |
228 | mov [edi+13], dl |
228 | mov [edi+13], dl |
229 | inc eax |
229 | inc eax |
230 | inc edi |
230 | inc edi |
231 | test dl, dl |
231 | test dl, dl |
232 | jnz @b |
232 | jnz @b |
233 | mov dword [edi+12], '.sys' |
233 | mov dword [edi+12], '.sys' |
234 | mov byte [edi+16], 0 |
234 | mov byte [edi+16], 0 |
235 | mov edi, esp |
235 | mov edi, esp |
236 | stdcall load_pe_driver, edi, 0 |
236 | stdcall load_pe_driver, edi, 0 |
237 | add esp, 36 |
237 | add esp, 36 |
238 | pop edi |
238 | pop edi |
239 | .nothing: |
239 | .nothing: |
240 | ret |
240 | ret |
241 | endp |
241 | endp |
242 | 242 | ||
243 | reg_service: |
243 | reg_service: |
244 | xor eax, eax |
244 | xor eax, eax |
245 | mov ecx, [esp+8] |
245 | mov ecx, [esp+8] |
246 | jecxz .nothing |
246 | jecxz .nothing |
247 | push sizeof.SRV |
247 | push sizeof.SRV |
248 | push ecx |
248 | push ecx |
249 | pushd [esp+12] |
249 | pushd [esp+12] |
250 | call reg_service_ex |
250 | call reg_service_ex |
251 | .nothing: |
251 | .nothing: |
252 | ret 8 |
252 | ret 8 |
253 | 253 | ||
254 | reg_usb_driver: |
254 | reg_usb_driver: |
255 | push sizeof.USBSRV |
255 | push sizeof.USBSRV |
256 | pushd [esp+12] |
256 | pushd [esp+12] |
257 | pushd [esp+12] |
257 | pushd [esp+12] |
258 | call reg_service_ex |
258 | call reg_service_ex |
259 | test eax, eax |
259 | test eax, eax |
260 | jz .nothing |
260 | jz .nothing |
261 | mov ecx, [esp+12] |
261 | mov ecx, [esp+12] |
262 | mov [eax+USBSRV.usb_func], ecx |
262 | mov [eax+USBSRV.usb_func], ecx |
263 | .nothing: |
263 | .nothing: |
264 | ret 12 |
264 | ret 12 |
265 | 265 | ||
266 | proc reg_service_ex stdcall, name:dword, handler:dword, srvsize:dword |
266 | proc reg_service_ex stdcall, name:dword, handler:dword, srvsize:dword |
267 | 267 | ||
268 | push ebx |
268 | push ebx |
269 | 269 | ||
270 | xor eax, eax |
270 | xor eax, eax |
271 | 271 | ||
272 | cmp [name], eax |
272 | cmp [name], eax |
273 | je .fail |
273 | je .fail |
274 | 274 | ||
275 | ; cmp [handler], eax |
275 | ; cmp [handler], eax |
276 | ; je .fail |
276 | ; je .fail |
277 | 277 | ||
278 | mov eax, [srvsize] |
278 | mov eax, [srvsize] |
279 | call malloc |
279 | call malloc |
280 | test eax, eax |
280 | test eax, eax |
281 | jz .fail |
281 | jz .fail |
282 | 282 | ||
283 | push esi |
283 | push esi |
284 | push edi |
284 | push edi |
285 | mov edi, eax |
285 | mov edi, eax |
286 | mov esi, [name] |
286 | mov esi, [name] |
287 | movsd |
287 | movsd |
288 | movsd |
288 | movsd |
289 | movsd |
289 | movsd |
290 | movsd |
290 | movsd |
291 | pop edi |
291 | pop edi |
292 | pop esi |
292 | pop esi |
293 | 293 | ||
294 | mov [eax+SRV.magic], ' SRV' |
294 | mov [eax+SRV.magic], ' SRV' |
295 | mov [eax+SRV.size], sizeof.SRV |
295 | mov [eax+SRV.size], sizeof.SRV |
296 | 296 | ||
297 | mov ebx, srv.fd-SRV.fd |
297 | mov ebx, srv.fd-SRV.fd |
298 | mov edx, [ebx+SRV.fd] |
298 | mov edx, [ebx+SRV.fd] |
299 | mov [eax+SRV.fd], edx |
299 | mov [eax+SRV.fd], edx |
300 | mov [eax+SRV.bk], ebx |
300 | mov [eax+SRV.bk], ebx |
301 | mov [ebx+SRV.fd], eax |
301 | mov [ebx+SRV.fd], eax |
302 | mov [edx+SRV.bk], eax |
302 | mov [edx+SRV.bk], eax |
303 | 303 | ||
304 | mov ecx, [handler] |
304 | mov ecx, [handler] |
305 | mov [eax+SRV.srv_proc], ecx |
305 | mov [eax+SRV.srv_proc], ecx |
306 | pop ebx |
306 | pop ebx |
307 | ret |
307 | ret |
308 | .fail: |
308 | .fail: |
309 | xor eax, eax |
309 | xor eax, eax |
310 | pop ebx |
310 | pop ebx |
311 | ret |
311 | ret |
312 | endp |
312 | endp |
313 | 313 | ||
314 | align 4 |
314 | align 4 |
315 | proc get_proc stdcall, exp:dword, sz_name:dword |
315 | proc get_proc stdcall, exp:dword, sz_name:dword |
316 | 316 | ||
317 | mov edx, [exp] |
317 | mov edx, [exp] |
318 | .next: |
318 | .next: |
319 | mov eax, [edx] |
319 | mov eax, [edx] |
320 | test eax, eax |
320 | test eax, eax |
321 | jz .end |
321 | jz .end |
322 | 322 | ||
323 | push edx |
323 | push edx |
324 | stdcall strncmp, eax, [sz_name], 16 |
324 | stdcall strncmp, eax, [sz_name], 16 |
325 | pop edx |
325 | pop edx |
326 | test eax, eax |
326 | test eax, eax |
327 | jz .ok |
327 | jz .ok |
328 | 328 | ||
329 | add edx, 8 |
329 | add edx, 8 |
330 | jmp .next |
330 | jmp .next |
331 | .ok: |
331 | .ok: |
332 | mov eax, [edx+4] |
332 | mov eax, [edx+4] |
333 | .end: |
333 | .end: |
334 | ret |
334 | ret |
335 | endp |
335 | endp |
336 | 336 | ||
337 | align 4 |
337 | align 4 |
338 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
338 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
339 | 339 | ||
340 | @@: |
340 | @@: |
341 | stdcall strncmp, [pSym], [sz_sym], 8 |
341 | stdcall strncmp, [pSym], [sz_sym], 8 |
342 | test eax, eax |
342 | test eax, eax |
343 | jz .ok |
343 | jz .ok |
344 | add [pSym], 18 |
344 | add [pSym], 18 |
345 | dec [count] |
345 | dec [count] |
346 | jnz @b |
346 | jnz @b |
347 | xor eax, eax |
347 | xor eax, eax |
348 | ret |
348 | ret |
349 | .ok: |
349 | .ok: |
350 | mov eax, [pSym] |
350 | mov eax, [pSym] |
351 | mov eax, [eax+8] |
351 | mov eax, [eax+8] |
352 | ret |
352 | ret |
353 | endp |
353 | endp |
354 | 354 | ||
355 | align 4 |
355 | align 4 |
356 | proc get_curr_task |
356 | proc get_curr_task |
357 | mov eax, [CURRENT_TASK] |
357 | mov eax, [CURRENT_TASK] |
358 | shl eax, 8 |
358 | shl eax, 8 |
359 | ret |
359 | ret |
360 | endp |
360 | endp |
361 | 361 | ||
362 | align 4 |
362 | align 4 |
363 | proc get_fileinfo stdcall, file_name:dword, info:dword |
363 | proc get_fileinfo stdcall, file_name:dword, info:dword |
364 | locals |
364 | locals |
365 | cmd dd ? |
365 | cmd dd ? |
366 | offset dd ? |
366 | offset dd ? |
367 | dd ? |
367 | dd ? |
368 | count dd ? |
368 | count dd ? |
369 | buff dd ? |
369 | buff dd ? |
370 | db ? |
370 | db ? |
371 | name dd ? |
371 | name dd ? |
372 | endl |
372 | endl |
373 | 373 | ||
374 | xor eax, eax |
374 | xor eax, eax |
375 | mov ebx, [file_name] |
375 | mov ebx, [file_name] |
376 | mov ecx, [info] |
376 | mov ecx, [info] |
377 | 377 | ||
378 | mov [cmd], 5 |
378 | mov [cmd], 5 |
379 | mov [offset], eax |
379 | mov [offset], eax |
380 | mov [offset+4], eax |
380 | mov [offset+4], eax |
381 | mov [count], eax |
381 | mov [count], eax |
382 | mov [buff], ecx |
382 | mov [buff], ecx |
383 | mov byte [buff+4], al |
383 | mov byte [buff+4], al |
384 | mov [name], ebx |
384 | mov [name], ebx |
385 | 385 | ||
386 | mov eax, 70 |
386 | mov eax, 70 |
387 | lea ebx, [cmd] |
387 | lea ebx, [cmd] |
388 | int 0x40 |
388 | int 0x40 |
389 | ret |
389 | ret |
390 | endp |
390 | endp |
391 | 391 | ||
392 | align 4 |
392 | align 4 |
393 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
393 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
394 | bytes:dword |
394 | bytes:dword |
395 | locals |
395 | locals |
396 | cmd dd ? |
396 | cmd dd ? |
397 | offset dd ? |
397 | offset dd ? |
398 | dd ? |
398 | dd ? |
399 | count dd ? |
399 | count dd ? |
400 | buff dd ? |
400 | buff dd ? |
401 | db ? |
401 | db ? |
402 | name dd ? |
402 | name dd ? |
403 | endl |
403 | endl |
404 | 404 | ||
405 | xor eax, eax |
405 | xor eax, eax |
406 | mov ebx, [file_name] |
406 | mov ebx, [file_name] |
407 | mov ecx, [off] |
407 | mov ecx, [off] |
408 | mov edx, [bytes] |
408 | mov edx, [bytes] |
409 | mov esi, [buffer] |
409 | mov esi, [buffer] |
410 | 410 | ||
411 | mov [cmd], eax |
411 | mov [cmd], eax |
412 | mov [offset], ecx |
412 | mov [offset], ecx |
413 | mov [offset+4], eax |
413 | mov [offset+4], eax |
414 | mov [count], edx |
414 | mov [count], edx |
415 | mov [buff], esi |
415 | mov [buff], esi |
416 | mov byte [buff+4], al |
416 | mov byte [buff+4], al |
417 | mov [name], ebx |
417 | mov [name], ebx |
418 | 418 | ||
419 | pushad |
419 | pushad |
420 | lea ebx, [cmd] |
420 | lea ebx, [cmd] |
421 | call file_system_lfn_protected |
421 | call file_system_lfn_protected |
422 | popad |
422 | popad |
423 | ret |
423 | ret |
424 | endp |
424 | endp |
425 | 425 | ||
426 | ; description |
426 | ; description |
427 | ; allocate kernel memory and loads the specified file |
427 | ; allocate kernel memory and loads the specified file |
428 | ; |
428 | ; |
429 | ; param |
429 | ; param |
430 | ; file_name= path to file |
430 | ; file_name= path to file |
431 | ; |
431 | ; |
432 | ; retval |
432 | ; retval |
433 | ; eax= file image in kernel memory |
433 | ; eax= file image in kernel memory |
434 | ; ebx= size of file |
434 | ; ebx= size of file |
435 | ; |
435 | ; |
436 | ; warging |
436 | ; warging |
437 | ; You mast call kernel_free() to delete each file |
437 | ; You mast call kernel_free() to delete each file |
438 | ; loaded by the load_file() function |
438 | ; loaded by the load_file() function |
439 | 439 | ||
440 | align 4 |
440 | align 4 |
441 | proc load_file stdcall, file_name:dword |
441 | proc load_file stdcall, file_name:dword |
442 | locals |
442 | locals |
443 | attr dd ? |
443 | attr dd ? |
444 | flags dd ? |
444 | flags dd ? |
445 | cr_time dd ? |
445 | cr_time dd ? |
446 | cr_date dd ? |
446 | cr_date dd ? |
447 | acc_time dd ? |
447 | acc_time dd ? |
448 | acc_date dd ? |
448 | acc_date dd ? |
449 | mod_time dd ? |
449 | mod_time dd ? |
450 | mod_date dd ? |
450 | mod_date dd ? |
451 | file_size dd ? |
451 | file_size dd ? |
452 | 452 | ||
453 | file dd ? |
453 | file dd ? |
454 | file2 dd ? |
454 | file2 dd ? |
455 | endl |
455 | endl |
456 | 456 | ||
457 | push esi |
457 | push esi |
458 | push edi |
458 | push edi |
459 | 459 | ||
460 | lea eax, [attr] |
460 | lea eax, [attr] |
461 | stdcall get_fileinfo, [file_name], eax |
461 | stdcall get_fileinfo, [file_name], eax |
462 | test eax, eax |
462 | test eax, eax |
463 | jnz .fail |
463 | jnz .fail |
464 | 464 | ||
465 | mov eax, [file_size] |
465 | mov eax, [file_size] |
466 | cmp eax, 1024*1024*16 |
466 | cmp eax, 1024*1024*16 |
467 | ja .fail |
467 | ja .fail |
468 | 468 | ||
469 | stdcall kernel_alloc, [file_size] |
469 | stdcall kernel_alloc, [file_size] |
470 | mov [file], eax |
470 | mov [file], eax |
471 | test eax, eax |
471 | test eax, eax |
472 | jz .fail |
472 | jz .fail |
473 | 473 | ||
474 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
474 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
475 | cmp ebx, [file_size] |
475 | cmp ebx, [file_size] |
476 | jne .cleanup |
476 | jne .cleanup |
477 | 477 | ||
478 | mov eax, [file] |
478 | mov eax, [file] |
479 | cmp dword [eax], 0x4B43504B |
479 | cmp dword [eax], 0x4B43504B |
480 | jne .exit |
480 | jne .exit |
481 | mov ebx, [eax+4] |
481 | mov ebx, [eax+4] |
482 | mov [file_size], ebx |
482 | mov [file_size], ebx |
483 | stdcall kernel_alloc, ebx |
483 | stdcall kernel_alloc, ebx |
484 | 484 | ||
485 | test eax, eax |
485 | test eax, eax |
486 | jz .cleanup |
486 | jz .cleanup |
487 | 487 | ||
488 | mov [file2], eax |
488 | mov [file2], eax |
489 | 489 | ||
490 | pushad |
490 | pushad |
491 | mov ecx, unpack_mutex |
491 | mov ecx, unpack_mutex |
492 | call mutex_lock |
492 | call mutex_lock |
493 | popad |
493 | popad |
494 | 494 | ||
495 | stdcall unpack, [file], eax |
495 | stdcall unpack, [file], eax |
496 | 496 | ||
497 | pushad |
497 | pushad |
498 | mov ecx, unpack_mutex |
498 | mov ecx, unpack_mutex |
499 | call mutex_unlock |
499 | call mutex_unlock |
500 | popad |
500 | popad |
501 | 501 | ||
502 | stdcall kernel_free, [file] |
502 | stdcall kernel_free, [file] |
503 | mov eax, [file2] |
503 | mov eax, [file2] |
504 | mov ebx, [file_size] |
504 | mov ebx, [file_size] |
505 | .exit: |
505 | .exit: |
506 | push eax |
506 | push eax |
507 | lea edi, [eax+ebx] ;cleanup remain space |
507 | lea edi, [eax+ebx] ;cleanup remain space |
508 | mov ecx, 4096 ;from file end |
508 | mov ecx, 4096 ;from file end |
509 | and ebx, 4095 |
509 | and ebx, 4095 |
510 | jz @f |
510 | jz @f |
511 | sub ecx, ebx |
511 | sub ecx, ebx |
512 | xor eax, eax |
512 | xor eax, eax |
513 | cld |
513 | cld |
514 | rep stosb |
514 | rep stosb |
515 | @@: |
515 | @@: |
516 | mov ebx, [file_size] |
516 | mov ebx, [file_size] |
517 | pop eax |
517 | pop eax |
518 | pop edi |
518 | pop edi |
519 | pop esi |
519 | pop esi |
520 | ret |
520 | ret |
521 | .cleanup: |
521 | .cleanup: |
522 | stdcall kernel_free, [file] |
522 | stdcall kernel_free, [file] |
523 | .fail: |
523 | .fail: |
524 | xor eax, eax |
524 | xor eax, eax |
525 | xor ebx, ebx |
525 | xor ebx, ebx |
526 | pop edi |
526 | pop edi |
527 | pop esi |
527 | pop esi |
528 | ret |
528 | ret |
529 | endp |
529 | endp |
530 | 530 | ||
531 | ; description |
531 | ; description |
532 | ; allocate user memory and loads the specified file |
532 | ; allocate user memory and loads the specified file |
533 | ; |
533 | ; |
534 | ; param |
534 | ; param |
535 | ; file_name= path to file |
535 | ; file_name= path to file |
536 | ; |
536 | ; |
537 | ; retval |
537 | ; retval |
538 | ; eax= file image in user memory |
538 | ; eax= file image in user memory |
539 | ; ebx= size of file |
539 | ; ebx= size of file |
540 | ; |
540 | ; |
541 | ; warging |
541 | ; warging |
542 | ; You mast call kernel_free() to delete each file |
542 | ; You mast call kernel_free() to delete each file |
543 | ; loaded by the load_file() function |
543 | ; loaded by the load_file() function |
544 | 544 | ||
545 | align 4 |
545 | align 4 |
546 | proc load_file_umode stdcall, file_name:dword |
546 | proc load_file_umode stdcall, file_name:dword |
547 | locals |
547 | locals |
548 | attr dd ? |
548 | attr dd ? |
549 | flags dd ? |
549 | flags dd ? |
550 | cr_time dd ? |
550 | cr_time dd ? |
551 | cr_date dd ? |
551 | cr_date dd ? |
552 | acc_time dd ? |
552 | acc_time dd ? |
553 | acc_date dd ? |
553 | acc_date dd ? |
554 | mod_time dd ? |
554 | mod_time dd ? |
555 | mod_date dd ? |
555 | mod_date dd ? |
556 | file_size dd ? |
556 | file_size dd ? |
557 | 557 | ||
558 | km_file dd ? |
558 | km_file dd ? |
559 | um_file dd ? |
559 | um_file dd ? |
560 | endl |
560 | endl |
561 | 561 | ||
562 | push esi |
562 | push esi |
563 | push edi |
563 | push edi |
564 | push ebx |
564 | push ebx |
565 | 565 | ||
566 | lea eax, [attr] |
566 | lea eax, [attr] |
567 | stdcall get_fileinfo, [file_name], eax ;find file and get info |
567 | stdcall get_fileinfo, [file_name], eax ;find file and get info |
568 | test eax, eax |
568 | test eax, eax |
569 | jnz .err_1 |
569 | jnz .err_1 |
570 | 570 | ||
571 | mov eax, [file_size] |
571 | mov eax, [file_size] |
572 | cmp eax, 1024*1024*16 ;to be enough for anybody (c) |
572 | cmp eax, 1024*1024*16 ;to be enough for anybody (c) |
573 | ja .err_1 |
573 | ja .err_1 |
574 | ;it is very likely that the file is packed |
574 | ;it is very likely that the file is packed |
575 | stdcall kernel_alloc, [file_size] ;with kpack, so allocate memory from kernel heap |
575 | stdcall kernel_alloc, [file_size] ;with kpack, so allocate memory from kernel heap |
576 | mov [km_file], eax |
576 | mov [km_file], eax |
577 | test eax, eax |
577 | test eax, eax |
578 | jz .err_1 |
578 | jz .err_1 |
579 | 579 | ||
580 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
580 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
581 | cmp ebx, [file_size] |
581 | cmp ebx, [file_size] |
582 | 582 | ||
583 | jne .err_2 |
583 | jne .err_2 |
584 | 584 | ||
585 | mov eax, [km_file] |
585 | mov eax, [km_file] |
586 | cmp dword [eax], 0x4B43504B ; check kpack signature |
586 | cmp dword [eax], 0x4B43504B ; check kpack signature |
587 | jne .raw_file |
587 | jne .raw_file |
588 | 588 | ||
589 | mov ebx, [eax+4] ;get real size of file |
589 | mov ebx, [eax+4] ;get real size of file |
590 | mov [file_size], ebx |
590 | mov [file_size], ebx |
591 | stdcall user_alloc, ebx ;and allocate space from user heap |
591 | stdcall user_alloc, ebx ;and allocate space from user heap |
592 | mov [um_file], eax |
592 | mov [um_file], eax |
593 | test eax, eax |
593 | test eax, eax |
594 | jz .err_2 |
594 | jz .err_2 |
595 | 595 | ||
596 | mov edx, [file_size] ;preallocate page memory |
596 | mov edx, [file_size] ;preallocate page memory |
597 | shr eax, 10 |
597 | shr eax, 10 |
598 | lea edi, [page_tabs+eax] |
598 | lea edi, [page_tabs+eax] |
599 | add edx, 4095 |
599 | add edx, 4095 |
600 | shr edx, 12 |
600 | shr edx, 12 |
601 | @@: |
601 | @@: |
602 | call alloc_page |
602 | call alloc_page |
603 | test eax, eax |
603 | test eax, eax |
604 | jz .err_3 |
604 | jz .err_3 |
605 | 605 | ||
606 | or eax, PG_UW |
606 | or eax, PG_UW |
607 | stosd |
607 | stosd |
608 | dec edx |
608 | dec edx |
609 | jnz @B |
609 | jnz @B |
610 | 610 | ||
611 | pushad |
611 | pushad |
612 | mov ecx, unpack_mutex |
612 | mov ecx, unpack_mutex |
613 | call mutex_lock |
613 | call mutex_lock |
614 | 614 | ||
615 | stdcall unpack, [km_file], [um_file] |
615 | stdcall unpack, [km_file], [um_file] |
616 | 616 | ||
617 | mov ecx, unpack_mutex |
617 | mov ecx, unpack_mutex |
618 | call mutex_unlock |
618 | call mutex_unlock |
619 | popad |
619 | popad |
620 | 620 | ||
621 | stdcall kernel_free, [km_file] ;we don't need packed file anymore |
621 | stdcall kernel_free, [km_file] ;we don't need packed file anymore |
622 | .exit: |
622 | .exit: |
623 | 623 | ||
624 | mov edi, [um_file] |
624 | mov edi, [um_file] |
625 | mov esi, [um_file] |
625 | mov esi, [um_file] |
626 | mov eax, [file_size] |
626 | mov eax, [file_size] |
627 | mov edx, eax |
627 | mov edx, eax |
628 | 628 | ||
629 | add edi, eax ;cleanup remain space |
629 | add edi, eax ;cleanup remain space |
630 | mov ecx, 4096 ;from file end |
630 | mov ecx, 4096 ;from file end |
631 | and eax, 4095 |
631 | and eax, 4095 |
632 | jz @f |
632 | jz @f |
633 | sub ecx, eax |
633 | sub ecx, eax |
634 | xor eax, eax |
634 | xor eax, eax |
635 | cld |
635 | cld |
636 | rep stosb |
636 | rep stosb |
637 | @@: |
637 | @@: |
638 | mov eax, [um_file] |
638 | mov eax, [um_file] |
639 | 639 | ||
640 | pop ebx |
640 | pop ebx |
641 | pop edi |
641 | pop edi |
642 | pop esi |
642 | pop esi |
643 | ret |
643 | ret |
644 | 644 | ||
645 | .raw_file: ; sometimes we load unpacked file |
645 | .raw_file: ; sometimes we load unpacked file |
646 | stdcall user_alloc, ebx ; allocate space from user heap |
646 | stdcall user_alloc, ebx ; allocate space from user heap |
647 | mov [um_file], eax |
647 | mov [um_file], eax |
648 | 648 | ||
649 | test eax, eax |
649 | test eax, eax |
650 | jz .err_2 |
650 | jz .err_2 |
651 | 651 | ||
652 | shr eax, 10 ; and remap pages. |
652 | shr eax, 10 ; and remap pages. |
653 | 653 | ||
654 | mov ecx, [file_size] |
654 | mov ecx, [file_size] |
655 | add ecx, 4095 |
655 | add ecx, 4095 |
656 | shr ecx, 12 |
656 | shr ecx, 12 |
657 | 657 | ||
658 | mov esi, [km_file] |
658 | mov esi, [km_file] |
659 | shr esi, 10 |
659 | shr esi, 10 |
660 | add esi, page_tabs |
660 | add esi, page_tabs |
661 | 661 | ||
662 | lea edi, [page_tabs+eax] |
662 | lea edi, [page_tabs+eax] |
663 | 663 | ||
664 | cld |
664 | cld |
665 | @@: |
665 | @@: |
666 | lodsd |
666 | lodsd |
667 | and eax, 0xFFFFF000 |
667 | and eax, 0xFFFFF000 |
668 | or eax, PG_UW |
668 | or eax, PG_UW |
669 | stosd |
669 | stosd |
670 | loop @B |
670 | loop @B |
671 | 671 | ||
672 | stdcall free_kernel_space, [km_file] ; release allocated kernel space |
672 | stdcall free_kernel_space, [km_file] ; release allocated kernel space |
673 | jmp .exit ; physical pages still in use |
673 | jmp .exit ; physical pages still in use |
674 | .err_3: |
674 | .err_3: |
675 | stdcall user_free, [um_file] |
675 | stdcall user_free, [um_file] |
676 | .err_2: |
676 | .err_2: |
677 | stdcall kernel_free, [km_file] |
677 | stdcall kernel_free, [km_file] |
678 | .err_1: |
678 | .err_1: |
679 | xor eax, eax |
679 | xor eax, eax |
680 | xor edx, edx |
680 | xor edx, edx |
681 | 681 | ||
682 | pop ebx |
682 | pop ebx |
683 | pop edi |
683 | pop edi |
684 | pop esi |
684 | pop esi |
685 | ret |
685 | ret |
686 | endp |
686 | endp |
687 | 687 | ||
688 | 688 | ||
689 | uglobal |
689 | uglobal |
690 | align 4 |
690 | align 4 |
691 | unpack_mutex MUTEX |
691 | unpack_mutex MUTEX |
692 | endg |
692 | endg |
693 | 693 | ||
694 | align 4 |
694 | align 4 |
695 | proc get_proc_ex stdcall uses ebx esi, proc_name:dword, imports:dword |
695 | proc get_proc_ex stdcall uses ebx esi, proc_name:dword, imports:dword |
696 | mov ebx, [imports] |
696 | mov ebx, [imports] |
697 | test ebx, ebx |
697 | test ebx, ebx |
698 | jz .end |
698 | jz .end |
699 | xor esi, esi |
699 | xor esi, esi |
700 | .look_up: |
700 | .look_up: |
701 | 701 | ||
702 | mov eax, [ebx+32] |
702 | mov eax, [ebx+32] |
703 | mov eax, [OS_BASE+eax+esi*4] |
703 | mov eax, [OS_BASE+eax+esi*4] |
704 | add eax, OS_BASE |
704 | add eax, OS_BASE |
705 | stdcall strncmp, eax, [proc_name], 256 |
705 | stdcall strncmp, eax, [proc_name], 256 |
706 | test eax, eax |
706 | test eax, eax |
707 | jz .ok |
707 | jz .ok |
708 | 708 | ||
709 | inc esi |
709 | inc esi |
710 | cmp esi, [ebx+24] |
710 | cmp esi, [ebx+24] |
711 | jb .look_up |
711 | jb .look_up |
712 | .end: |
712 | .end: |
713 | xor eax, eax |
713 | xor eax, eax |
714 | ret |
714 | ret |
715 | .ok: |
715 | .ok: |
716 | mov eax, [ebx+28] |
716 | mov eax, [ebx+28] |
717 | mov eax, [OS_BASE+eax+esi*4] |
717 | mov eax, [OS_BASE+eax+esi*4] |
718 | add eax, OS_BASE |
718 | add eax, OS_BASE |
719 | ret |
719 | ret |
720 | endp |
720 | endp |
721 | 721 | ||
722 | align 4 |
722 | align 4 |
723 | proc fix_coff_symbols stdcall uses ebx esi, sec:dword, symbols:dword,\ |
723 | proc fix_coff_symbols stdcall uses ebx esi, sec:dword, symbols:dword,\ |
724 | sym_count:dword, strings:dword, imports:dword |
724 | sym_count:dword, strings:dword, imports:dword |
725 | locals |
725 | locals |
726 | retval dd ? |
726 | retval dd ? |
727 | endl |
727 | endl |
728 | 728 | ||
729 | mov edi, [symbols] |
729 | mov edi, [symbols] |
730 | mov [retval], 1 |
730 | mov [retval], 1 |
731 | .fix: |
731 | .fix: |
732 | movzx ebx, [edi+COFF_SYM.SectionNumber] |
732 | movzx ebx, [edi+COFF_SYM.SectionNumber] |
733 | test ebx, ebx |
733 | test ebx, ebx |
734 | jnz .internal |
734 | jnz .internal |
735 | mov eax, dword [edi+COFF_SYM.Name] |
735 | mov eax, dword [edi+COFF_SYM.Name] |
736 | test eax, eax |
736 | test eax, eax |
737 | jnz @F |
737 | jnz @F |
738 | 738 | ||
739 | mov edi, [edi+4] |
739 | mov edi, [edi+4] |
740 | add edi, [strings] |
740 | add edi, [strings] |
741 | @@: |
741 | @@: |
742 | push edi |
742 | push edi |
743 | stdcall get_proc_ex, edi, [imports] |
743 | stdcall get_proc_ex, edi, [imports] |
744 | pop edi |
744 | pop edi |
745 | 745 | ||
746 | xor ebx, ebx |
746 | xor ebx, ebx |
747 | test eax, eax |
747 | test eax, eax |
748 | jnz @F |
748 | jnz @F |
749 | 749 | ||
750 | mov esi, msg_unresolved |
750 | mov esi, msg_unresolved |
751 | call sys_msg_board_str |
751 | call sys_msg_board_str |
752 | mov esi, edi |
752 | mov esi, edi |
753 | call sys_msg_board_str |
753 | call sys_msg_board_str |
754 | mov esi, msg_CR |
754 | mov esi, msg_CR |
755 | call sys_msg_board_str |
755 | call sys_msg_board_str |
756 | 756 | ||
757 | mov [retval], 0 |
757 | mov [retval], 0 |
758 | @@: |
758 | @@: |
759 | mov edi, [symbols] |
759 | mov edi, [symbols] |
760 | mov [edi+COFF_SYM.Value], eax |
760 | mov [edi+COFF_SYM.Value], eax |
761 | jmp .next |
761 | jmp .next |
762 | .internal: |
762 | .internal: |
763 | cmp bx, -1 |
763 | cmp bx, -1 |
764 | je .next |
764 | je .next |
765 | cmp bx, -2 |
765 | cmp bx, -2 |
766 | je .next |
766 | je .next |
767 | 767 | ||
768 | dec ebx |
768 | dec ebx |
769 | shl ebx, 3 |
769 | shl ebx, 3 |
770 | lea ebx, [ebx+ebx*4] |
770 | lea ebx, [ebx+ebx*4] |
771 | add ebx, [sec] |
771 | add ebx, [sec] |
772 | 772 | ||
773 | mov eax, [ebx+COFF_SECTION.VirtualAddress] |
773 | mov eax, [ebx+COFF_SECTION.VirtualAddress] |
774 | add [edi+COFF_SYM.Value], eax |
774 | add [edi+COFF_SYM.Value], eax |
775 | .next: |
775 | .next: |
776 | add edi, sizeof.COFF_SYM |
776 | add edi, sizeof.COFF_SYM |
777 | mov [symbols], edi |
777 | mov [symbols], edi |
778 | dec [sym_count] |
778 | dec [sym_count] |
779 | jnz .fix |
779 | jnz .fix |
780 | mov eax, [retval] |
780 | mov eax, [retval] |
781 | ret |
781 | ret |
782 | endp |
782 | endp |
783 | 783 | ||
784 | align 4 |
784 | align 4 |
785 | proc fix_coff_relocs stdcall uses ebx esi, coff:dword, sym:dword, \ |
785 | proc fix_coff_relocs stdcall uses ebx esi, coff:dword, sym:dword, \ |
786 | delta:dword |
786 | delta:dword |
787 | locals |
787 | locals |
788 | n_sec dd ? |
788 | n_sec dd ? |
789 | endl |
789 | endl |
790 | 790 | ||
791 | mov eax, [coff] |
791 | mov eax, [coff] |
792 | movzx ebx, [eax+COFF_HEADER.nSections] |
792 | movzx ebx, [eax+COFF_HEADER.nSections] |
793 | mov [n_sec], ebx |
793 | mov [n_sec], ebx |
794 | lea esi, [eax+20] |
794 | lea esi, [eax+20] |
795 | .fix_sec: |
795 | .fix_sec: |
796 | mov edi, [esi+COFF_SECTION.PtrReloc] |
796 | mov edi, [esi+COFF_SECTION.PtrReloc] |
797 | add edi, [coff] |
797 | add edi, [coff] |
798 | 798 | ||
799 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
799 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
800 | test ecx, ecx |
800 | test ecx, ecx |
801 | jz .next |
801 | jz .next |
802 | .reloc_loop: |
802 | .reloc_loop: |
803 | mov ebx, [edi+COFF_RELOC.SymIndex] |
803 | mov ebx, [edi+COFF_RELOC.SymIndex] |
804 | add ebx, ebx |
804 | add ebx, ebx |
805 | lea ebx, [ebx+ebx*8] |
805 | lea ebx, [ebx+ebx*8] |
806 | add ebx, [sym] |
806 | add ebx, [sym] |
807 | 807 | ||
808 | mov edx, [ebx+COFF_SYM.Value] |
808 | mov edx, [ebx+COFF_SYM.Value] |
809 | 809 | ||
810 | cmp [edi+COFF_RELOC.Type], 6 |
810 | cmp [edi+COFF_RELOC.Type], 6 |
811 | je .dir_32 |
811 | je .dir_32 |
812 | 812 | ||
813 | cmp [edi+COFF_RELOC.Type], 20 |
813 | cmp [edi+COFF_RELOC.Type], 20 |
814 | jne .next_reloc |
814 | jne .next_reloc |
815 | .rel_32: |
815 | .rel_32: |
816 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
816 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
817 | add eax, [esi+COFF_SECTION.VirtualAddress] |
817 | add eax, [esi+COFF_SECTION.VirtualAddress] |
818 | sub edx, eax |
818 | sub edx, eax |
819 | sub edx, 4 |
819 | sub edx, 4 |
820 | jmp .fix |
820 | jmp .fix |
821 | .dir_32: |
821 | .dir_32: |
822 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
822 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
823 | add eax, [esi+COFF_SECTION.VirtualAddress] |
823 | add eax, [esi+COFF_SECTION.VirtualAddress] |
824 | .fix: |
824 | .fix: |
825 | add eax, [delta] |
825 | add eax, [delta] |
826 | add [eax], edx |
826 | add [eax], edx |
827 | .next_reloc: |
827 | .next_reloc: |
828 | add edi, 10 |
828 | add edi, 10 |
829 | dec ecx |
829 | dec ecx |
830 | jnz .reloc_loop |
830 | jnz .reloc_loop |
831 | .next: |
831 | .next: |
832 | add esi, sizeof.COFF_SECTION |
832 | add esi, sizeof.COFF_SECTION |
833 | dec [n_sec] |
833 | dec [n_sec] |
834 | jnz .fix_sec |
834 | jnz .fix_sec |
835 | .exit: |
835 | .exit: |
836 | ret |
836 | ret |
837 | endp |
837 | endp |
838 | 838 | ||
839 | align 4 |
839 | align 4 |
840 | proc rebase_coff stdcall uses ebx esi, coff:dword, sym:dword, \ |
840 | proc rebase_coff stdcall uses ebx esi, coff:dword, sym:dword, \ |
841 | delta:dword |
841 | delta:dword |
842 | locals |
842 | locals |
843 | n_sec dd ? |
843 | n_sec dd ? |
844 | endl |
844 | endl |
845 | 845 | ||
846 | mov eax, [coff] |
846 | mov eax, [coff] |
847 | movzx ebx, [eax+COFF_HEADER.nSections] |
847 | movzx ebx, [eax+COFF_HEADER.nSections] |
848 | mov [n_sec], ebx |
848 | mov [n_sec], ebx |
849 | lea esi, [eax+20] |
849 | lea esi, [eax+20] |
850 | mov edx, [delta] |
850 | mov edx, [delta] |
851 | .fix_sec: |
851 | .fix_sec: |
852 | mov edi, [esi+COFF_SECTION.PtrReloc] |
852 | mov edi, [esi+COFF_SECTION.PtrReloc] |
853 | add edi, [coff] |
853 | add edi, [coff] |
854 | 854 | ||
855 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
855 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
856 | test ecx, ecx |
856 | test ecx, ecx |
857 | jz .next |
857 | jz .next |
858 | .reloc_loop: |
858 | .reloc_loop: |
859 | cmp [edi+COFF_RELOC.Type], 6 |
859 | cmp [edi+COFF_RELOC.Type], 6 |
860 | jne .next_reloc |
860 | jne .next_reloc |
861 | .dir_32: |
861 | .dir_32: |
862 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
862 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
863 | add eax, [esi+COFF_SECTION.VirtualAddress] |
863 | add eax, [esi+COFF_SECTION.VirtualAddress] |
864 | add [eax+edx], edx |
864 | add [eax+edx], edx |
865 | .next_reloc: |
865 | .next_reloc: |
866 | add edi, 10 |
866 | add edi, 10 |
867 | dec ecx |
867 | dec ecx |
868 | jnz .reloc_loop |
868 | jnz .reloc_loop |
869 | .next: |
869 | .next: |
870 | add esi, sizeof.COFF_SECTION |
870 | add esi, sizeof.COFF_SECTION |
871 | dec [n_sec] |
871 | dec [n_sec] |
872 | jnz .fix_sec |
872 | jnz .fix_sec |
873 | .exit: |
873 | .exit: |
874 | ret |
874 | ret |
875 | endp |
875 | endp |
876 | 876 | ||
877 | ; in: edx -> COFF_SECTION struct |
877 | ; in: edx -> COFF_SECTION struct |
878 | ; out: eax = alignment as mask for bits to drop |
878 | ; out: eax = alignment as mask for bits to drop |
879 | coff_get_align: |
879 | coff_get_align: |
880 | ; Rules: |
880 | ; Rules: |
881 | ; - if alignment is not given, use default = 4K; |
881 | ; - if alignment is not given, use default = 4K; |
882 | ; - if alignment is given and is no more than 4K, use it; |
882 | ; - if alignment is given and is no more than 4K, use it; |
883 | ; - if alignment is more than 4K, revert to 4K. |
883 | ; - if alignment is more than 4K, revert to 4K. |
884 | push ecx |
884 | push ecx |
885 | mov cl, byte [edx+COFF_SECTION.Characteristics+2] |
885 | mov cl, byte [edx+COFF_SECTION.Characteristics+2] |
886 | mov eax, 1 |
886 | mov eax, 1 |
887 | shr cl, 4 |
887 | shr cl, 4 |
888 | dec cl |
888 | dec cl |
889 | js .default |
889 | js .default |
890 | cmp cl, 12 |
890 | cmp cl, 12 |
891 | jbe @f |
891 | jbe @f |
892 | .default: |
892 | .default: |
893 | mov cl, 12 |
893 | mov cl, 12 |
894 | @@: |
894 | @@: |
895 | shl eax, cl |
895 | shl eax, cl |
896 | pop ecx |
896 | pop ecx |
897 | dec eax |
897 | dec eax |
898 | ret |
898 | ret |
899 | 899 | ||
900 | align 4 |
900 | align 4 |
901 | proc load_library stdcall, file_name:dword |
901 | proc load_library stdcall, file_name:dword |
902 | locals |
902 | locals |
903 | fullname rb 260 |
903 | fullname rb 260 |
904 | fileinfo rb 40 |
904 | fileinfo rb 40 |
905 | coff dd ? |
905 | coff dd ? |
906 | img_base dd ? |
906 | img_base dd ? |
907 | endl |
907 | endl |
908 | 908 | ||
909 | ; resolve file name |
909 | ; resolve file name |
910 | mov ebx, [file_name] |
910 | mov ebx, [file_name] |
911 | lea edi, [fullname+1] |
911 | lea edi, [fullname+1] |
912 | mov byte [edi-1], '/' |
912 | mov byte [edi-1], '/' |
913 | stdcall get_full_file_name, edi, 259 |
913 | stdcall get_full_file_name, edi, 259 |
914 | test al, al |
914 | test al, al |
915 | jz .fail |
915 | jz .fail |
916 | 916 | ||
917 | ; scan for required DLL in list of already loaded for this process, |
917 | ; scan for required DLL in list of already loaded for this process, |
918 | ; ignore timestamp |
918 | ; ignore timestamp |
919 | cli |
919 | cli |
920 | 920 | ||
921 | mov esi, [CURRENT_TASK] |
- | |
922 | shl esi, 8 |
921 | mov esi, [current_process] |
923 | lea edi, [fullname] |
922 | lea edi, [fullname] |
924 | mov ebx, [esi+SLOT_BASE+APPDATA.dlls_list_ptr] |
923 | mov ebx, [esi+PROC.dlls_list_ptr] |
925 | test ebx, ebx |
924 | test ebx, ebx |
926 | jz .not_in_process |
925 | jz .not_in_process |
927 | mov esi, [ebx+HDLL.fd] |
926 | mov esi, [ebx+HDLL.fd] |
928 | .scan_in_process: |
927 | .scan_in_process: |
929 | cmp esi, ebx |
928 | cmp esi, ebx |
930 | jz .not_in_process |
929 | jz .not_in_process |
931 | mov eax, [esi+HDLL.parent] |
930 | mov eax, [esi+HDLL.parent] |
932 | add eax, DLLDESCR.name |
931 | add eax, DLLDESCR.name |
933 | stdcall strncmp, eax, edi, -1 |
932 | stdcall strncmp, eax, edi, -1 |
934 | test eax, eax |
933 | test eax, eax |
935 | jnz .next_in_process |
934 | jnz .next_in_process |
936 | ; simple variant: load DLL which is already loaded in this process |
935 | ; simple variant: load DLL which is already loaded in this process |
937 | ; just increment reference counters and return address of exports table |
936 | ; just increment reference counters and return address of exports table |
938 | inc [esi+HDLL.refcount] |
937 | inc [esi+HDLL.refcount] |
939 | mov ecx, [esi+HDLL.parent] |
938 | mov ecx, [esi+HDLL.parent] |
940 | inc [ecx+DLLDESCR.refcount] |
939 | inc [ecx+DLLDESCR.refcount] |
941 | mov eax, [ecx+DLLDESCR.exports] |
940 | mov eax, [ecx+DLLDESCR.exports] |
942 | sub eax, [ecx+DLLDESCR.defaultbase] |
941 | sub eax, [ecx+DLLDESCR.defaultbase] |
943 | add eax, [esi+HDLL.base] |
942 | add eax, [esi+HDLL.base] |
944 | sti |
943 | sti |
945 | ret |
944 | ret |
946 | .next_in_process: |
945 | .next_in_process: |
947 | mov esi, [esi+HDLL.fd] |
946 | mov esi, [esi+HDLL.fd] |
948 | jmp .scan_in_process |
947 | jmp .scan_in_process |
949 | .not_in_process: |
948 | .not_in_process: |
950 | 949 | ||
951 | ; scan in full list, compare timestamp |
950 | ; scan in full list, compare timestamp |
952 | sti |
951 | sti |
953 | lea eax, [fileinfo] |
952 | lea eax, [fileinfo] |
954 | stdcall get_fileinfo, edi, eax |
953 | stdcall get_fileinfo, edi, eax |
955 | test eax, eax |
954 | test eax, eax |
956 | jnz .fail |
955 | jnz .fail |
957 | cli |
956 | cli |
958 | mov esi, [dll_list.fd] |
957 | mov esi, [dll_list.fd] |
959 | .scan_for_dlls: |
958 | .scan_for_dlls: |
960 | cmp esi, dll_list |
959 | cmp esi, dll_list |
961 | jz .load_new |
960 | jz .load_new |
962 | lea eax, [esi+DLLDESCR.name] |
961 | lea eax, [esi+DLLDESCR.name] |
963 | stdcall strncmp, eax, edi, -1 |
962 | stdcall strncmp, eax, edi, -1 |
964 | test eax, eax |
963 | test eax, eax |
965 | jnz .continue_scan |
964 | jnz .continue_scan |
966 | .test_prev_dll: |
965 | .test_prev_dll: |
967 | mov eax, dword [fileinfo+24]; last modified time |
966 | mov eax, dword [fileinfo+24]; last modified time |
968 | mov edx, dword [fileinfo+28]; last modified date |
967 | mov edx, dword [fileinfo+28]; last modified date |
969 | cmp dword [esi+DLLDESCR.timestamp], eax |
968 | cmp dword [esi+DLLDESCR.timestamp], eax |
970 | jnz .continue_scan |
969 | jnz .continue_scan |
971 | cmp dword [esi+DLLDESCR.timestamp+4], edx |
970 | cmp dword [esi+DLLDESCR.timestamp+4], edx |
972 | jz .dll_already_loaded |
971 | jz .dll_already_loaded |
973 | .continue_scan: |
972 | .continue_scan: |
974 | mov esi, [esi+DLLDESCR.fd] |
973 | mov esi, [esi+DLLDESCR.fd] |
975 | jmp .scan_for_dlls |
974 | jmp .scan_for_dlls |
976 | 975 | ||
977 | ; new DLL |
976 | ; new DLL |
978 | .load_new: |
977 | .load_new: |
979 | sti |
978 | sti |
980 | ; load file |
979 | ; load file |
981 | stdcall load_file, edi |
980 | stdcall load_file, edi |
982 | test eax, eax |
981 | test eax, eax |
983 | jz .fail |
982 | jz .fail |
984 | mov [coff], eax |
983 | mov [coff], eax |
985 | mov dword [fileinfo+32], ebx |
984 | mov dword [fileinfo+32], ebx |
986 | 985 | ||
987 | ; allocate DLLDESCR struct; size is DLLDESCR.sizeof plus size of DLL name |
986 | ; allocate DLLDESCR struct; size is DLLDESCR.sizeof plus size of DLL name |
988 | mov esi, edi |
987 | mov esi, edi |
989 | mov ecx, -1 |
988 | mov ecx, -1 |
990 | xor eax, eax |
989 | xor eax, eax |
991 | repnz scasb |
990 | repnz scasb |
992 | not ecx |
991 | not ecx |
993 | lea eax, [ecx+sizeof.DLLDESCR] |
992 | lea eax, [ecx+sizeof.DLLDESCR] |
994 | push ecx |
993 | push ecx |
995 | call malloc |
994 | call malloc |
996 | pop ecx |
995 | pop ecx |
997 | test eax, eax |
996 | test eax, eax |
998 | jz .fail_and_free_coff |
997 | jz .fail_and_free_coff |
999 | ; save timestamp |
998 | ; save timestamp |
1000 | lea edi, [eax+DLLDESCR.name] |
999 | lea edi, [eax+DLLDESCR.name] |
1001 | rep movsb |
1000 | rep movsb |
1002 | mov esi, eax |
1001 | mov esi, eax |
1003 | mov eax, dword [fileinfo+24] |
1002 | mov eax, dword [fileinfo+24] |
1004 | mov dword [esi+DLLDESCR.timestamp], eax |
1003 | mov dword [esi+DLLDESCR.timestamp], eax |
1005 | mov eax, dword [fileinfo+28] |
1004 | mov eax, dword [fileinfo+28] |
1006 | mov dword [esi+DLLDESCR.timestamp+4], eax |
1005 | mov dword [esi+DLLDESCR.timestamp+4], eax |
1007 | 1006 | ||
1008 | ; calculate size of loaded DLL |
1007 | ; calculate size of loaded DLL |
1009 | mov edx, [coff] |
1008 | mov edx, [coff] |
1010 | movzx ecx, [edx+COFF_HEADER.nSections] |
1009 | movzx ecx, [edx+COFF_HEADER.nSections] |
1011 | xor ebx, ebx |
1010 | xor ebx, ebx |
1012 | 1011 | ||
1013 | add edx, 20 |
1012 | add edx, 20 |
1014 | @@: |
1013 | @@: |
1015 | call coff_get_align |
1014 | call coff_get_align |
1016 | add ebx, eax |
1015 | add ebx, eax |
1017 | not eax |
1016 | not eax |
1018 | and ebx, eax |
1017 | and ebx, eax |
1019 | add ebx, [edx+COFF_SECTION.SizeOfRawData] |
1018 | add ebx, [edx+COFF_SECTION.SizeOfRawData] |
1020 | add edx, sizeof.COFF_SECTION |
1019 | add edx, sizeof.COFF_SECTION |
1021 | dec ecx |
1020 | dec ecx |
1022 | jnz @B |
1021 | jnz @B |
1023 | ; it must be nonzero and not too big |
1022 | ; it must be nonzero and not too big |
1024 | mov [esi+DLLDESCR.size], ebx |
1023 | mov [esi+DLLDESCR.size], ebx |
1025 | test ebx, ebx |
1024 | test ebx, ebx |
1026 | jz .fail_and_free_dll |
1025 | jz .fail_and_free_dll |
1027 | cmp ebx, MAX_DEFAULT_DLL_ADDR-MIN_DEFAULT_DLL_ADDR |
1026 | cmp ebx, MAX_DEFAULT_DLL_ADDR-MIN_DEFAULT_DLL_ADDR |
1028 | ja .fail_and_free_dll |
1027 | ja .fail_and_free_dll |
1029 | ; allocate memory for kernel-side image |
1028 | ; allocate memory for kernel-side image |
1030 | stdcall kernel_alloc, ebx |
1029 | stdcall kernel_alloc, ebx |
1031 | test eax, eax |
1030 | test eax, eax |
1032 | jz .fail_and_free_dll |
1031 | jz .fail_and_free_dll |
1033 | mov [esi+DLLDESCR.data], eax |
1032 | mov [esi+DLLDESCR.data], eax |
1034 | ; calculate preferred base address |
1033 | ; calculate preferred base address |
1035 | add ebx, 0x1FFF |
1034 | add ebx, 0x1FFF |
1036 | and ebx, not 0xFFF |
1035 | and ebx, not 0xFFF |
1037 | mov ecx, [dll_cur_addr] |
1036 | mov ecx, [dll_cur_addr] |
1038 | lea edx, [ecx+ebx] |
1037 | lea edx, [ecx+ebx] |
1039 | cmp edx, MAX_DEFAULT_DLL_ADDR |
1038 | cmp edx, MAX_DEFAULT_DLL_ADDR |
1040 | jb @f |
1039 | jb @f |
1041 | mov ecx, MIN_DEFAULT_DLL_ADDR |
1040 | mov ecx, MIN_DEFAULT_DLL_ADDR |
1042 | lea edx, [ecx+ebx] |
1041 | lea edx, [ecx+ebx] |
1043 | @@: |
1042 | @@: |
1044 | mov [esi+DLLDESCR.defaultbase], ecx |
1043 | mov [esi+DLLDESCR.defaultbase], ecx |
1045 | mov [dll_cur_addr], edx |
1044 | mov [dll_cur_addr], edx |
1046 | 1045 | ||
1047 | ; copy sections and set correct values for VirtualAddress'es in headers |
1046 | ; copy sections and set correct values for VirtualAddress'es in headers |
1048 | push esi |
1047 | push esi |
1049 | mov edx, [coff] |
1048 | mov edx, [coff] |
1050 | movzx ebx, [edx+COFF_HEADER.nSections] |
1049 | movzx ebx, [edx+COFF_HEADER.nSections] |
1051 | mov edi, eax |
1050 | mov edi, eax |
1052 | add edx, 20 |
1051 | add edx, 20 |
1053 | cld |
1052 | cld |
1054 | @@: |
1053 | @@: |
1055 | call coff_get_align |
1054 | call coff_get_align |
1056 | add ecx, eax |
1055 | add ecx, eax |
1057 | add edi, eax |
1056 | add edi, eax |
1058 | not eax |
1057 | not eax |
1059 | and ecx, eax |
1058 | and ecx, eax |
1060 | and edi, eax |
1059 | and edi, eax |
1061 | mov [edx+COFF_SECTION.VirtualAddress], ecx |
1060 | mov [edx+COFF_SECTION.VirtualAddress], ecx |
1062 | add ecx, [edx+COFF_SECTION.SizeOfRawData] |
1061 | add ecx, [edx+COFF_SECTION.SizeOfRawData] |
1063 | mov esi, [edx+COFF_SECTION.PtrRawData] |
1062 | mov esi, [edx+COFF_SECTION.PtrRawData] |
1064 | push ecx |
1063 | push ecx |
1065 | mov ecx, [edx+COFF_SECTION.SizeOfRawData] |
1064 | mov ecx, [edx+COFF_SECTION.SizeOfRawData] |
1066 | test esi, esi |
1065 | test esi, esi |
1067 | jnz .copy |
1066 | jnz .copy |
1068 | xor eax, eax |
1067 | xor eax, eax |
1069 | rep stosb |
1068 | rep stosb |
1070 | jmp .next |
1069 | jmp .next |
1071 | .copy: |
1070 | .copy: |
1072 | add esi, [coff] |
1071 | add esi, [coff] |
1073 | rep movsb |
1072 | rep movsb |
1074 | .next: |
1073 | .next: |
1075 | pop ecx |
1074 | pop ecx |
1076 | add edx, sizeof.COFF_SECTION |
1075 | add edx, sizeof.COFF_SECTION |
1077 | dec ebx |
1076 | dec ebx |
1078 | jnz @B |
1077 | jnz @B |
1079 | pop esi |
1078 | pop esi |
1080 | 1079 | ||
1081 | ; save some additional data from COFF file |
1080 | ; save some additional data from COFF file |
1082 | ; later we will use COFF header, headers for sections and symbol table |
1081 | ; later we will use COFF header, headers for sections and symbol table |
1083 | ; and also relocations table for all sections |
1082 | ; and also relocations table for all sections |
1084 | mov edx, [coff] |
1083 | mov edx, [coff] |
1085 | mov ebx, [edx+COFF_HEADER.pSymTable] |
1084 | mov ebx, [edx+COFF_HEADER.pSymTable] |
1086 | mov edi, dword [fileinfo+32] |
1085 | mov edi, dword [fileinfo+32] |
1087 | sub edi, ebx |
1086 | sub edi, ebx |
1088 | jc .fail_and_free_data |
1087 | jc .fail_and_free_data |
1089 | mov [esi+DLLDESCR.symbols_lim], edi |
1088 | mov [esi+DLLDESCR.symbols_lim], edi |
1090 | add ebx, edx |
1089 | add ebx, edx |
1091 | movzx ecx, [edx+COFF_HEADER.nSections] |
1090 | movzx ecx, [edx+COFF_HEADER.nSections] |
1092 | lea ecx, [ecx*5] |
1091 | lea ecx, [ecx*5] |
1093 | lea edi, [edi+ecx*8+20] |
1092 | lea edi, [edi+ecx*8+20] |
1094 | add edx, 20 |
1093 | add edx, 20 |
1095 | @@: |
1094 | @@: |
1096 | movzx eax, [edx+COFF_SECTION.NumReloc] |
1095 | movzx eax, [edx+COFF_SECTION.NumReloc] |
1097 | lea eax, [eax*5] |
1096 | lea eax, [eax*5] |
1098 | lea edi, [edi+eax*2] |
1097 | lea edi, [edi+eax*2] |
1099 | add edx, sizeof.COFF_SECTION |
1098 | add edx, sizeof.COFF_SECTION |
1100 | sub ecx, 5 |
1099 | sub ecx, 5 |
1101 | jnz @b |
1100 | jnz @b |
1102 | stdcall kernel_alloc, edi |
1101 | stdcall kernel_alloc, edi |
1103 | test eax, eax |
1102 | test eax, eax |
1104 | jz .fail_and_free_data |
1103 | jz .fail_and_free_data |
1105 | mov edx, [coff] |
1104 | mov edx, [coff] |
1106 | movzx ecx, [edx+COFF_HEADER.nSections] |
1105 | movzx ecx, [edx+COFF_HEADER.nSections] |
1107 | lea ecx, [ecx*5] |
1106 | lea ecx, [ecx*5] |
1108 | lea ecx, [ecx*2+5] |
1107 | lea ecx, [ecx*2+5] |
1109 | mov [esi+DLLDESCR.coff_hdr], eax |
1108 | mov [esi+DLLDESCR.coff_hdr], eax |
1110 | push esi |
1109 | push esi |
1111 | mov esi, edx |
1110 | mov esi, edx |
1112 | mov edi, eax |
1111 | mov edi, eax |
1113 | rep movsd |
1112 | rep movsd |
1114 | pop esi |
1113 | pop esi |
1115 | mov [esi+DLLDESCR.symbols_ptr], edi |
1114 | mov [esi+DLLDESCR.symbols_ptr], edi |
1116 | push esi |
1115 | push esi |
1117 | mov ecx, [edx+COFF_HEADER.nSymbols] |
1116 | mov ecx, [edx+COFF_HEADER.nSymbols] |
1118 | mov [esi+DLLDESCR.symbols_num], ecx |
1117 | mov [esi+DLLDESCR.symbols_num], ecx |
1119 | mov ecx, [esi+DLLDESCR.symbols_lim] |
1118 | mov ecx, [esi+DLLDESCR.symbols_lim] |
1120 | mov esi, ebx |
1119 | mov esi, ebx |
1121 | rep movsb |
1120 | rep movsb |
1122 | pop esi |
1121 | pop esi |
1123 | mov ebx, [esi+DLLDESCR.coff_hdr] |
1122 | mov ebx, [esi+DLLDESCR.coff_hdr] |
1124 | push esi |
1123 | push esi |
1125 | movzx eax, [edx+COFF_HEADER.nSections] |
1124 | movzx eax, [edx+COFF_HEADER.nSections] |
1126 | lea edx, [ebx+20] |
1125 | lea edx, [ebx+20] |
1127 | @@: |
1126 | @@: |
1128 | movzx ecx, [edx+COFF_SECTION.NumReloc] |
1127 | movzx ecx, [edx+COFF_SECTION.NumReloc] |
1129 | lea ecx, [ecx*5] |
1128 | lea ecx, [ecx*5] |
1130 | mov esi, [edx+COFF_SECTION.PtrReloc] |
1129 | mov esi, [edx+COFF_SECTION.PtrReloc] |
1131 | mov [edx+COFF_SECTION.PtrReloc], edi |
1130 | mov [edx+COFF_SECTION.PtrReloc], edi |
1132 | sub [edx+COFF_SECTION.PtrReloc], ebx |
1131 | sub [edx+COFF_SECTION.PtrReloc], ebx |
1133 | add esi, [coff] |
1132 | add esi, [coff] |
1134 | shr ecx, 1 |
1133 | shr ecx, 1 |
1135 | rep movsd |
1134 | rep movsd |
1136 | adc ecx, ecx |
1135 | adc ecx, ecx |
1137 | rep movsw |
1136 | rep movsw |
1138 | add edx, sizeof.COFF_SECTION |
1137 | add edx, sizeof.COFF_SECTION |
1139 | dec eax |
1138 | dec eax |
1140 | jnz @b |
1139 | jnz @b |
1141 | pop esi |
1140 | pop esi |
1142 | 1141 | ||
1143 | ; fixup symbols |
1142 | ; fixup symbols |
1144 | mov edx, ebx |
1143 | mov edx, ebx |
1145 | mov eax, [ebx+COFF_HEADER.nSymbols] |
1144 | mov eax, [ebx+COFF_HEADER.nSymbols] |
1146 | add edx, 20 |
1145 | add edx, 20 |
1147 | mov ecx, [esi+DLLDESCR.symbols_num] |
1146 | mov ecx, [esi+DLLDESCR.symbols_num] |
1148 | lea ecx, [ecx*9] |
1147 | lea ecx, [ecx*9] |
1149 | add ecx, ecx |
1148 | add ecx, ecx |
1150 | add ecx, [esi+DLLDESCR.symbols_ptr] |
1149 | add ecx, [esi+DLLDESCR.symbols_ptr] |
1151 | 1150 | ||
1152 | stdcall fix_coff_symbols, edx, [esi+DLLDESCR.symbols_ptr], eax, \ |
1151 | stdcall fix_coff_symbols, edx, [esi+DLLDESCR.symbols_ptr], eax, \ |
1153 | ecx, 0 |
1152 | ecx, 0 |
1154 | ; test eax, eax |
1153 | ; test eax, eax |
1155 | ; jnz @F |
1154 | ; jnz @F |
1156 | ; |
1155 | ; |
1157 | ;@@: |
1156 | ;@@: |
1158 | 1157 | ||
1159 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], szEXPORTS |
1158 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], szEXPORTS |
1160 | test eax, eax |
1159 | test eax, eax |
1161 | jnz @F |
1160 | jnz @F |
1162 | 1161 | ||
1163 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], sz_EXPORTS |
1162 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], sz_EXPORTS |
1164 | @@: |
1163 | @@: |
1165 | mov [esi+DLLDESCR.exports], eax |
1164 | mov [esi+DLLDESCR.exports], eax |
1166 | 1165 | ||
1167 | ; fix relocs in the hidden copy in kernel memory to default address |
1166 | ; fix relocs in the hidden copy in kernel memory to default address |
1168 | ; it is first fix; usually this will be enough, but second fix |
1167 | ; it is first fix; usually this will be enough, but second fix |
1169 | ; can be necessary if real load address will not equal assumption |
1168 | ; can be necessary if real load address will not equal assumption |
1170 | mov eax, [esi+DLLDESCR.data] |
1169 | mov eax, [esi+DLLDESCR.data] |
1171 | sub eax, [esi+DLLDESCR.defaultbase] |
1170 | sub eax, [esi+DLLDESCR.defaultbase] |
1172 | stdcall fix_coff_relocs, ebx, [esi+DLLDESCR.symbols_ptr], eax |
1171 | stdcall fix_coff_relocs, ebx, [esi+DLLDESCR.symbols_ptr], eax |
1173 | 1172 | ||
1174 | stdcall kernel_free, [coff] |
1173 | stdcall kernel_free, [coff] |
1175 | 1174 | ||
1176 | cli |
1175 | cli |
1177 | ; initialize DLLDESCR struct |
1176 | ; initialize DLLDESCR struct |
1178 | and dword [esi+DLLDESCR.refcount], 0; no HDLLs yet; later it will be incremented |
1177 | and dword [esi+DLLDESCR.refcount], 0; no HDLLs yet; later it will be incremented |
1179 | mov [esi+DLLDESCR.fd], dll_list |
1178 | mov [esi+DLLDESCR.fd], dll_list |
1180 | mov eax, [dll_list.bk] |
1179 | mov eax, [dll_list.bk] |
1181 | mov [dll_list.bk], esi |
1180 | mov [dll_list.bk], esi |
1182 | mov [esi+DLLDESCR.bk], eax |
1181 | mov [esi+DLLDESCR.bk], eax |
1183 | mov [eax+DLLDESCR.fd], esi |
1182 | mov [eax+DLLDESCR.fd], esi |
1184 | .dll_already_loaded: |
1183 | .dll_already_loaded: |
1185 | inc [esi+DLLDESCR.refcount] |
1184 | inc [esi+DLLDESCR.refcount] |
1186 | push esi |
1185 | push esi |
1187 | call init_heap |
1186 | call init_heap |
1188 | pop esi |
1187 | pop esi |
1189 | 1188 | ||
1190 | mov edi, [esi+DLLDESCR.size] |
1189 | mov edi, [esi+DLLDESCR.size] |
1191 | stdcall user_alloc_at, [esi+DLLDESCR.defaultbase], edi |
1190 | stdcall user_alloc_at, [esi+DLLDESCR.defaultbase], edi |
1192 | test eax, eax |
1191 | test eax, eax |
1193 | jnz @f |
1192 | jnz @f |
1194 | stdcall user_alloc, edi |
1193 | stdcall user_alloc, edi |
1195 | test eax, eax |
1194 | test eax, eax |
1196 | jz .fail_and_dereference |
1195 | jz .fail_and_dereference |
1197 | @@: |
1196 | @@: |
1198 | mov [img_base], eax |
1197 | mov [img_base], eax |
1199 | mov eax, sizeof.HDLL |
1198 | mov eax, sizeof.HDLL |
1200 | call malloc |
1199 | call malloc |
1201 | test eax, eax |
1200 | test eax, eax |
1202 | jz .fail_and_free_user |
1201 | jz .fail_and_free_user |
1203 | mov ebx, [CURRENT_TASK] |
1202 | mov ebx, [CURRENT_TASK] |
1204 | shl ebx, 5 |
1203 | shl ebx, 5 |
1205 | mov edx, [CURRENT_TASK+ebx+TASKDATA.pid] |
1204 | mov edx, [CURRENT_TASK+ebx+TASKDATA.pid] |
1206 | mov [eax+HDLL.pid], edx |
1205 | mov [eax+HDLL.pid], edx |
1207 | push eax |
1206 | push eax |
1208 | call init_dlls_in_thread |
1207 | call init_dlls_in_thread |
1209 | pop ebx |
1208 | pop ebx |
1210 | test eax, eax |
1209 | test eax, eax |
1211 | jz .fail_and_free_user |
1210 | jz .fail_and_free_user |
1212 | mov edx, [eax+HDLL.fd] |
1211 | mov edx, [eax+HDLL.fd] |
1213 | mov [ebx+HDLL.fd], edx |
1212 | mov [ebx+HDLL.fd], edx |
1214 | mov [ebx+HDLL.bk], eax |
1213 | mov [ebx+HDLL.bk], eax |
1215 | mov [eax+HDLL.fd], ebx |
1214 | mov [eax+HDLL.fd], ebx |
1216 | mov [edx+HDLL.bk], ebx |
1215 | mov [edx+HDLL.bk], ebx |
1217 | mov eax, ebx |
1216 | mov eax, ebx |
1218 | mov ebx, [img_base] |
1217 | mov ebx, [img_base] |
1219 | mov [eax+HDLL.base], ebx |
1218 | mov [eax+HDLL.base], ebx |
1220 | mov [eax+HDLL.size], edi |
1219 | mov [eax+HDLL.size], edi |
1221 | mov [eax+HDLL.refcount], 1 |
1220 | mov [eax+HDLL.refcount], 1 |
1222 | mov [eax+HDLL.parent], esi |
1221 | mov [eax+HDLL.parent], esi |
1223 | mov edx, ebx |
1222 | mov edx, ebx |
1224 | shr edx, 12 |
1223 | shr edx, 12 |
1225 | or dword [page_tabs+(edx-1)*4], DONT_FREE_BLOCK |
1224 | or dword [page_tabs+(edx-1)*4], DONT_FREE_BLOCK |
1226 | ; copy entries of page table from kernel-side image to usermode |
1225 | ; copy entries of page table from kernel-side image to usermode |
1227 | ; use copy-on-write for user-mode image, so map as readonly |
1226 | ; use copy-on-write for user-mode image, so map as readonly |
1228 | xor edi, edi |
1227 | xor edi, edi |
1229 | mov ecx, [esi+DLLDESCR.data] |
1228 | mov ecx, [esi+DLLDESCR.data] |
1230 | shr ecx, 12 |
1229 | shr ecx, 12 |
1231 | .map_pages_loop: |
1230 | .map_pages_loop: |
1232 | mov eax, [page_tabs+ecx*4] |
1231 | mov eax, [page_tabs+ecx*4] |
1233 | and eax, not 0xFFF |
1232 | and eax, not 0xFFF |
1234 | or al, PG_USER |
1233 | or al, PG_USER |
1235 | xchg eax, [page_tabs+edx*4] |
1234 | xchg eax, [page_tabs+edx*4] |
1236 | test al, 1 |
1235 | test al, 1 |
1237 | jz @f |
1236 | jz @f |
1238 | call free_page |
1237 | call free_page |
1239 | @@: |
1238 | @@: |
1240 | invlpg [ebx+edi] |
1239 | invlpg [ebx+edi] |
1241 | inc ecx |
1240 | inc ecx |
1242 | inc edx |
1241 | inc edx |
1243 | add edi, 0x1000 |
1242 | add edi, 0x1000 |
1244 | cmp edi, [esi+DLLDESCR.size] |
1243 | cmp edi, [esi+DLLDESCR.size] |
1245 | jb .map_pages_loop |
1244 | jb .map_pages_loop |
1246 | 1245 | ||
1247 | ; if real user-mode base is not equal to preferred base, relocate image |
1246 | ; if real user-mode base is not equal to preferred base, relocate image |
1248 | sub ebx, [esi+DLLDESCR.defaultbase] |
1247 | sub ebx, [esi+DLLDESCR.defaultbase] |
1249 | jz @f |
1248 | jz @f |
1250 | stdcall rebase_coff, [esi+DLLDESCR.coff_hdr], [esi+DLLDESCR.symbols_ptr], ebx |
1249 | stdcall rebase_coff, [esi+DLLDESCR.coff_hdr], [esi+DLLDESCR.symbols_ptr], ebx |
1251 | @@: |
1250 | @@: |
1252 | 1251 | ||
1253 | mov eax, [esi+DLLDESCR.exports] |
1252 | mov eax, [esi+DLLDESCR.exports] |
1254 | sub eax, [esi+DLLDESCR.defaultbase] |
1253 | sub eax, [esi+DLLDESCR.defaultbase] |
1255 | add eax, [img_base] |
1254 | add eax, [img_base] |
1256 | sti |
1255 | sti |
1257 | ret |
1256 | ret |
1258 | .fail_and_free_data: |
1257 | .fail_and_free_data: |
1259 | stdcall kernel_free, [esi+DLLDESCR.data] |
1258 | stdcall kernel_free, [esi+DLLDESCR.data] |
1260 | .fail_and_free_dll: |
1259 | .fail_and_free_dll: |
1261 | mov eax, esi |
1260 | mov eax, esi |
1262 | call free |
1261 | call free |
1263 | .fail_and_free_coff: |
1262 | .fail_and_free_coff: |
1264 | stdcall kernel_free, [coff] |
1263 | stdcall kernel_free, [coff] |
1265 | .fail: |
1264 | .fail: |
1266 | xor eax, eax |
1265 | xor eax, eax |
1267 | ret |
1266 | ret |
1268 | .fail_and_free_user: |
1267 | .fail_and_free_user: |
1269 | stdcall user_free, [img_base] |
1268 | stdcall user_free, [img_base] |
1270 | .fail_and_dereference: |
1269 | .fail_and_dereference: |
1271 | mov eax, 1 ; delete 1 reference |
1270 | mov eax, 1 ; delete 1 reference |
1272 | call dereference_dll |
1271 | call dereference_dll |
1273 | sti |
1272 | sti |
1274 | xor eax, eax |
1273 | xor eax, eax |
1275 | ret |
1274 | ret |
1276 | endp |
1275 | endp |
1277 | 1276 | ||
1278 | ; initialize [APPDATA.dlls_list_ptr] for given thread |
1277 | ; initialize [APPDATA.dlls_list_ptr] for given thread |
1279 | ; DLL is per-process object, so APPDATA.dlls_list_ptr must be |
1278 | ; DLL is per-process object, so APPDATA.dlls_list_ptr must be |
1280 | ; kept in sync for all threads of one process. |
1279 | ; kept in sync for all threads of one process. |
1281 | ; out: eax = APPDATA.dlls_list_ptr if all is OK, |
1280 | ; out: eax = APPDATA.dlls_list_ptr if all is OK, |
1282 | ; NULL if memory allocation failed |
1281 | ; NULL if memory allocation failed |
1283 | init_dlls_in_thread: |
1282 | init_dlls_in_thread: |
1284 | mov ebx, [current_slot] |
1283 | mov ebx, [current_process] |
1285 | mov eax, [ebx+APPDATA.dlls_list_ptr] |
1284 | mov eax, [ebx+PROC.dlls_list_ptr] |
1286 | test eax, eax |
1285 | test eax, eax |
1287 | jnz .ret |
1286 | jnz .ret |
1288 | push [ebx+APPDATA.dir_table] |
- | |
- | 1287 | ||
1289 | mov eax, 8 |
1288 | mov eax, 8 |
1290 | call malloc |
1289 | call malloc ; FIXME |
1291 | pop edx |
- | |
1292 | test eax, eax |
1290 | test eax, eax |
1293 | jz .ret |
1291 | jz .ret |
- | 1292 | ||
1294 | mov [eax], eax |
1293 | mov [eax], eax |
1295 | mov [eax+4], eax |
1294 | mov [eax+4], eax |
1296 | mov ecx, [TASK_COUNT] |
- | |
1297 | mov ebx, SLOT_BASE+256 |
- | |
1298 | .set: |
1295 | |
1299 | cmp [ebx+APPDATA.dir_table], edx |
1296 | mov ebx, [current_process] |
1300 | jnz @f |
- | |
1301 | mov [ebx+APPDATA.dlls_list_ptr], eax |
1297 | mov [ebx+PROC.dlls_list_ptr], eax |
1302 | @@: |
- | |
1303 | add ebx, 256 |
- | |
1304 | dec ecx |
- | |
1305 | jnz .set |
- | |
1306 | .ret: |
1298 | .ret: |
1307 | ret |
1299 | ret |
1308 | 1300 | ||
1309 | ; in: eax = number of references to delete, esi -> DLLDESCR struc |
1301 | ; in: eax = number of references to delete, esi -> DLLDESCR struc |
1310 | dereference_dll: |
1302 | dereference_dll: |
1311 | sub [esi+DLLDESCR.refcount], eax |
1303 | sub [esi+DLLDESCR.refcount], eax |
1312 | jnz .ret |
1304 | jnz .ret |
1313 | mov eax, [esi+DLLDESCR.fd] |
1305 | mov eax, [esi+DLLDESCR.fd] |
1314 | mov edx, [esi+DLLDESCR.bk] |
1306 | mov edx, [esi+DLLDESCR.bk] |
1315 | mov [eax+DLLDESCR.bk], edx |
1307 | mov [eax+DLLDESCR.bk], edx |
1316 | mov [edx+DLLDESCR.fd], eax |
1308 | mov [edx+DLLDESCR.fd], eax |
1317 | stdcall kernel_free, [esi+DLLDESCR.coff_hdr] |
1309 | stdcall kernel_free, [esi+DLLDESCR.coff_hdr] |
1318 | stdcall kernel_free, [esi+DLLDESCR.data] |
1310 | stdcall kernel_free, [esi+DLLDESCR.data] |
1319 | mov eax, esi |
1311 | mov eax, esi |
1320 | call free |
1312 | call free |
1321 | .ret: |
1313 | .ret: |
1322 | ret |
1314 | ret |
1323 | 1315 | ||
1324 | destroy_hdll: |
1316 | destroy_hdll: |
1325 | push ebx ecx esi edi |
1317 | push ebx ecx esi edi |
1326 | push eax |
- | |
1327 | mov ebx, [eax+HDLL.base] |
1318 | mov ebx, [eax+HDLL.base] |
1328 | mov esi, [eax+HDLL.parent] |
1319 | mov esi, [eax+HDLL.parent] |
1329 | mov edx, [esi+DLLDESCR.size] |
1320 | mov edx, [esi+DLLDESCR.size] |
1330 | ; The following actions require the context of application where HDLL is mapped. |
- | |
1331 | ; However, destroy_hdll can be called in the context of OS thread when |
- | |
1332 | ; cleaning up objects created by the application which is destroyed. |
- | |
1333 | ; So remember current cr3 and set it to page table of target. |
- | |
1334 | mov eax, [ecx+APPDATA.dir_table] |
- | |
1335 | ; Because we cheat with cr3, disable interrupts: task switch would restore |
- | |
1336 | ; page table from APPDATA of current thread. |
- | |
1337 | ; Also set [current_slot] because it is used by user_free. |
- | |
1338 | pushf |
- | |
1339 | cli |
- | |
1340 | push [current_slot] |
- | |
1341 | mov [current_slot], ecx |
- | |
1342 | mov ecx, cr3 |
- | |
1343 | push ecx |
- | |
1344 | mov cr3, eax |
- | |
1345 | push ebx ; argument for user_free |
- | |
1346 | mov eax, ebx |
- | |
1347 | shr ebx, 12 |
- | |
1348 | push ebx |
- | |
1349 | mov esi, [esi+DLLDESCR.data] |
- | |
1350 | shr esi, 12 |
- | |
1351 | .unmap_loop: |
- | |
1352 | push eax |
- | |
1353 | mov eax, 2 |
- | |
1354 | xchg eax, [page_tabs+ebx*4] |
- | |
1355 | mov ecx, [page_tabs+esi*4] |
- | |
1356 | and eax, not 0xFFF |
- | |
1357 | and ecx, not 0xFFF |
- | |
1358 | cmp eax, ecx |
- | |
1359 | jz @f |
- | |
1360 | call free_page |
- | |
1361 | @@: |
1321 | |
1362 | pop eax |
- | |
1363 | invlpg [eax] |
- | |
1364 | add eax, 0x1000 |
- | |
1365 | inc ebx |
- | |
1366 | inc esi |
- | |
1367 | sub edx, 0x1000 |
- | |
1368 | ja .unmap_loop |
- | |
1369 | pop ebx |
- | |
1370 | and dword [page_tabs+(ebx-1)*4], not DONT_FREE_BLOCK |
- | |
1371 | call user_free |
- | |
1372 | ; Restore context. |
- | |
1373 | pop eax |
- | |
1374 | mov cr3, eax |
- | |
1375 | pop [current_slot] |
- | |
1376 | popf |
- | |
1377 | ; Ok, cheating is done. |
- | |
1378 | pop eax |
- | |
1379 | push eax |
1322 | push eax |
1380 | mov esi, [eax+HDLL.parent] |
1323 | mov esi, [eax+HDLL.parent] |
1381 | mov eax, [eax+HDLL.refcount] |
1324 | mov eax, [eax+HDLL.refcount] |
1382 | call dereference_dll |
1325 | call dereference_dll |
1383 | pop eax |
1326 | pop eax |
1384 | mov edx, [eax+HDLL.bk] |
1327 | mov edx, [eax+HDLL.bk] |
1385 | mov ebx, [eax+HDLL.fd] |
1328 | mov ebx, [eax+HDLL.fd] |
1386 | mov [ebx+HDLL.bk], edx |
1329 | mov [ebx+HDLL.bk], edx |
1387 | mov [edx+HDLL.fd], ebx |
1330 | mov [edx+HDLL.fd], ebx |
1388 | call free |
1331 | call free |
1389 | pop edi esi ecx ebx |
1332 | pop edi esi ecx ebx |
1390 | ret |
1333 | ret |
1391 | 1334 | ||
1392 | ; ecx -> APPDATA for slot, esi = dlls_list_ptr |
1335 | ; ecx -> APPDATA for slot, esi = dlls_list_ptr |
1393 | destroy_all_hdlls: |
1336 | destroy_all_hdlls: |
1394 | test esi, esi |
1337 | test esi, esi |
1395 | jz .ret |
1338 | jz .ret |
1396 | .loop: |
1339 | .loop: |
1397 | mov eax, [esi+HDLL.fd] |
1340 | mov eax, [esi+HDLL.fd] |
1398 | cmp eax, esi |
1341 | cmp eax, esi |
1399 | jz free |
1342 | jz free |
1400 | call destroy_hdll |
1343 | call destroy_hdll |
1401 | jmp .loop |
1344 | jmp .loop |
1402 | .ret: |
1345 | .ret: |
1403 | ret |
1346 | ret |
1404 | 1347 | ||
1405 | align 4 |
1348 | align 4 |
1406 | stop_all_services: |
1349 | stop_all_services: |
1407 | push ebp |
1350 | push ebp |
1408 | mov edx, [srv.fd] |
1351 | mov edx, [srv.fd] |
1409 | .next: |
1352 | .next: |
1410 | cmp edx, srv.fd-SRV.fd |
1353 | cmp edx, srv.fd-SRV.fd |
1411 | je .done |
1354 | je .done |
1412 | cmp [edx+SRV.magic], ' SRV' |
1355 | cmp [edx+SRV.magic], ' SRV' |
1413 | jne .next |
1356 | jne .next |
1414 | cmp [edx+SRV.size], sizeof.SRV |
1357 | cmp [edx+SRV.size], sizeof.SRV |
1415 | jne .next |
1358 | jne .next |
1416 | 1359 | ||
1417 | mov ebx, [edx+SRV.entry] |
1360 | mov ebx, [edx+SRV.entry] |
1418 | mov edx, [edx+SRV.fd] |
1361 | mov edx, [edx+SRV.fd] |
1419 | test ebx, ebx |
1362 | test ebx, ebx |
1420 | jz .next |
1363 | jz .next |
1421 | 1364 | ||
1422 | push edx |
1365 | push edx |
1423 | mov ebp, esp |
1366 | mov ebp, esp |
1424 | push 0 |
1367 | push 0 |
1425 | push -1 |
1368 | push -1 |
1426 | call ebx |
1369 | call ebx |
1427 | mov esp, ebp |
1370 | mov esp, ebp |
1428 | pop edx |
1371 | pop edx |
1429 | jmp .next |
1372 | jmp .next |
1430 | .done: |
1373 | .done: |
1431 | pop ebp |
1374 | pop ebp |
1432 | ret |
1375 | ret |
1433 | 1376 | ||
1434 | ; param |
1377 | ; param |
1435 | ; eax= size |
1378 | ; eax= size |
1436 | ; ebx= pid |
1379 | ; ebx= pid |
1437 | 1380 | ||
1438 | align 4 |
1381 | align 4 |
1439 | create_kernel_object: |
1382 | create_kernel_object: |
1440 | 1383 | ||
1441 | push ebx |
1384 | push ebx |
1442 | call malloc |
1385 | call malloc |
1443 | pop ebx |
1386 | pop ebx |
1444 | test eax, eax |
1387 | test eax, eax |
1445 | jz .fail |
1388 | jz .fail |
1446 | 1389 | ||
1447 | mov ecx, [current_slot] |
1390 | mov ecx, [current_slot] |
1448 | add ecx, APP_OBJ_OFFSET |
1391 | add ecx, APP_OBJ_OFFSET |
1449 | 1392 | ||
1450 | pushfd |
1393 | pushfd |
1451 | cli |
1394 | cli |
1452 | mov edx, [ecx+APPOBJ.fd] |
1395 | mov edx, [ecx+APPOBJ.fd] |
1453 | mov [eax+APPOBJ.fd], edx |
1396 | mov [eax+APPOBJ.fd], edx |
1454 | mov [eax+APPOBJ.bk], ecx |
1397 | mov [eax+APPOBJ.bk], ecx |
1455 | mov [eax+APPOBJ.pid], ebx |
1398 | mov [eax+APPOBJ.pid], ebx |
1456 | 1399 | ||
1457 | mov [ecx+APPOBJ.fd], eax |
1400 | mov [ecx+APPOBJ.fd], eax |
1458 | mov [edx+APPOBJ.bk], eax |
1401 | mov [edx+APPOBJ.bk], eax |
1459 | popfd |
1402 | popfd |
1460 | .fail: |
1403 | .fail: |
1461 | ret |
1404 | ret |
1462 | 1405 | ||
1463 | ; param |
1406 | ; param |
1464 | ; eax= object |
1407 | ; eax= object |
1465 | 1408 | ||
1466 | align 4 |
1409 | align 4 |
1467 | destroy_kernel_object: |
1410 | destroy_kernel_object: |
1468 | 1411 | ||
1469 | pushfd |
1412 | pushfd |
1470 | cli |
1413 | cli |
1471 | mov ebx, [eax+APPOBJ.fd] |
1414 | mov ebx, [eax+APPOBJ.fd] |
1472 | mov ecx, [eax+APPOBJ.bk] |
1415 | mov ecx, [eax+APPOBJ.bk] |
1473 | mov [ebx+APPOBJ.bk], ecx |
1416 | mov [ebx+APPOBJ.bk], ecx |
1474 | mov [ecx+APPOBJ.fd], ebx |
1417 | mov [ecx+APPOBJ.fd], ebx |
1475 | popfd |
1418 | popfd |
1476 | 1419 | ||
1477 | xor edx, edx ;clear common header |
1420 | xor edx, edx ;clear common header |
1478 | mov [eax], edx |
1421 | mov [eax], edx |
1479 | mov [eax+4], edx |
1422 | mov [eax+4], edx |
1480 | mov [eax+8], edx |
1423 | mov [eax+8], edx |
1481 | mov [eax+12], edx |
1424 | mov [eax+12], edx |
1482 | mov [eax+16], edx |
1425 | mov [eax+16], edx |
1483 | 1426 | ||
1484 | call free ;release object memory |
1427 | call free ;release object memory |
1485 | ret |
1428 | ret |