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1 | ; flat assembler core |
1 | ; flat assembler core |
2 | ; Copyright (c) 1999-2006, Tomasz Grysztar. |
2 | ; Copyright (c) 1999-2006, Tomasz Grysztar. |
3 | ; All rights reserved. |
3 | ; All rights reserved. |
4 | 4 | ||
5 | convert_expression: |
5 | convert_expression: |
6 | push ebp |
6 | push ebp |
7 | call get_fp_value |
7 | call get_fp_value |
8 | jnc fp_expression |
8 | jnc fp_expression |
9 | mov [current_offset],esp |
9 | mov [current_offset],esp |
10 | expression_loop: |
10 | expression_loop: |
11 | push edi |
11 | push edi |
12 | mov edi,single_operand_operators |
12 | mov edi,single_operand_operators |
13 | call get_operator |
13 | call get_operator |
14 | pop edi |
14 | pop edi |
15 | or al,al |
15 | or al,al |
16 | jz expression_element |
16 | jz expression_element |
17 | push eax |
17 | push eax |
18 | jmp expression_loop |
18 | jmp expression_loop |
19 | expression_element: |
19 | expression_element: |
20 | mov al,[esi] |
20 | mov al,[esi] |
21 | cmp al,1Ah |
21 | cmp al,1Ah |
22 | je expression_number |
22 | je expression_number |
23 | cmp al,22h |
23 | cmp al,22h |
24 | je expression_number |
24 | je expression_number |
25 | cmp al,'(' |
25 | cmp al,'(' |
26 | je expression_number |
26 | je expression_number |
27 | mov al,'!' |
27 | mov al,'!' |
28 | stos byte [edi] |
28 | stos byte [edi] |
29 | jmp expression_operator |
29 | jmp expression_operator |
30 | expression_number: |
30 | expression_number: |
31 | call convert_number |
31 | call convert_number |
32 | expression_operator: |
32 | expression_operator: |
33 | push edi |
33 | push edi |
34 | mov edi,operators |
34 | mov edi,operators |
35 | call get_operator |
35 | call get_operator |
36 | pop edi |
36 | pop edi |
37 | or al,al |
37 | or al,al |
38 | jz expression_end |
38 | jz expression_end |
39 | operators_loop: |
39 | operators_loop: |
40 | cmp esp,[current_offset] |
40 | cmp esp,[current_offset] |
41 | je push_operator |
41 | je push_operator |
42 | mov bl,al |
42 | mov bl,al |
43 | and bl,0F0h |
43 | and bl,0F0h |
44 | mov bh,byte [esp] |
44 | mov bh,byte [esp] |
45 | and bh,0F0h |
45 | and bh,0F0h |
46 | cmp bl,bh |
46 | cmp bl,bh |
47 | ja push_operator |
47 | ja push_operator |
48 | pop ebx |
48 | pop ebx |
49 | mov byte [edi],bl |
49 | mov byte [edi],bl |
50 | inc edi |
50 | inc edi |
51 | jmp operators_loop |
51 | jmp operators_loop |
52 | push_operator: |
52 | push_operator: |
53 | push eax |
53 | push eax |
54 | jmp expression_loop |
54 | jmp expression_loop |
55 | expression_end: |
55 | expression_end: |
56 | cmp esp,[current_offset] |
56 | cmp esp,[current_offset] |
57 | je expression_converted |
57 | je expression_converted |
58 | pop eax |
58 | pop eax |
59 | stos byte [edi] |
59 | stos byte [edi] |
60 | jmp expression_end |
60 | jmp expression_end |
61 | expression_converted: |
61 | expression_converted: |
62 | pop ebp |
62 | pop ebp |
63 | ret |
63 | ret |
64 | fp_expression: |
64 | fp_expression: |
65 | mov al,'.' |
65 | mov al,'.' |
66 | stos byte [edi] |
66 | stos byte [edi] |
67 | mov eax,[fp_value] |
67 | mov eax,[fp_value] |
68 | stos dword [edi] |
68 | stos dword [edi] |
69 | mov eax,[fp_value+4] |
69 | mov eax,[fp_value+4] |
70 | stos dword [edi] |
70 | stos dword [edi] |
71 | mov eax,[fp_value+8] |
71 | mov eax,[fp_value+8] |
72 | stos dword [edi] |
72 | stos dword [edi] |
73 | pop ebp |
73 | pop ebp |
74 | ret |
74 | ret |
75 | 75 | ||
76 | convert_number: |
76 | convert_number: |
77 | lea eax,[edi-10h] |
77 | lea eax,[edi-10h] |
78 | cmp eax,[labels_list] |
78 | cmp eax,[labels_list] |
79 | jae out_of_memory |
79 | jae out_of_memory |
80 | cmp byte [esi],'(' |
80 | cmp byte [esi],'(' |
81 | je expression_value |
81 | je expression_value |
82 | inc edi |
82 | inc edi |
83 | call get_number |
83 | call get_number |
84 | jc symbol_value |
84 | jc symbol_value |
85 | or ebp,ebp |
85 | or ebp,ebp |
86 | jz valid_number |
86 | jz valid_number |
87 | mov byte [edi-1],0Fh |
87 | mov byte [edi-1],0Fh |
88 | ret |
88 | ret |
89 | valid_number: |
89 | valid_number: |
90 | cmp dword [edi+4],0 |
90 | cmp dword [edi+4],0 |
91 | jne qword_number |
91 | jne qword_number |
92 | cmp word [edi+2],0 |
92 | cmp word [edi+2],0 |
93 | jne dword_number |
93 | jne dword_number |
94 | cmp byte [edi+1],0 |
94 | cmp byte [edi+1],0 |
95 | jne word_number |
95 | jne word_number |
96 | byte_number: |
96 | byte_number: |
97 | mov byte [edi-1],1 |
97 | mov byte [edi-1],1 |
98 | inc edi |
98 | inc edi |
99 | ret |
99 | ret |
100 | qword_number: |
100 | qword_number: |
101 | mov byte [edi-1],8 |
101 | mov byte [edi-1],8 |
102 | add edi,8 |
102 | add edi,8 |
103 | ret |
103 | ret |
104 | dword_number: |
104 | dword_number: |
105 | mov byte [edi-1],4 |
105 | mov byte [edi-1],4 |
106 | scas dword [edi] |
106 | scas dword [edi] |
107 | ret |
107 | ret |
108 | word_number: |
108 | word_number: |
109 | mov byte [edi-1],2 |
109 | mov byte [edi-1],2 |
110 | scas word [edi] |
110 | scas word [edi] |
111 | ret |
111 | ret |
112 | expression_value: |
112 | expression_value: |
113 | mov eax,esp |
113 | mov eax,esp |
114 | sub eax,100h |
114 | sub eax,100h |
115 | jc stack_overflow |
115 | jc stack_overflow |
116 | cmp eax,[stack_limit] |
116 | cmp eax,[stack_limit] |
117 | jb stack_overflow |
117 | jb stack_overflow |
118 | inc esi |
118 | inc esi |
119 | push [current_offset] |
119 | push [current_offset] |
120 | call convert_expression |
120 | call convert_expression |
121 | pop [current_offset] |
121 | pop [current_offset] |
122 | lods byte [esi] |
122 | lods byte [esi] |
123 | cmp al,')' |
123 | cmp al,')' |
124 | jne invalid_expression |
124 | jne invalid_expression |
125 | ret |
125 | ret |
126 | symbol_value: |
126 | symbol_value: |
127 | push edi |
127 | push edi |
128 | mov edi,address_registers |
128 | mov edi,address_registers |
129 | call get_operator |
129 | call get_operator |
130 | or al,al |
130 | or al,al |
131 | jnz register_value |
131 | jnz register_value |
132 | mov edi,directive_operators |
132 | mov edi,directive_operators |
133 | call get_operator |
133 | call get_operator |
134 | pop edi |
134 | pop edi |
135 | or al,al |
135 | or al,al |
136 | jnz broken_value |
136 | jnz broken_value |
137 | lods byte [esi] |
137 | lods byte [esi] |
138 | cmp al,1Ah |
138 | cmp al,1Ah |
139 | jne invalid_value |
139 | jne invalid_value |
140 | lods byte [esi] |
140 | lods byte [esi] |
141 | movzx ecx,al |
141 | movzx ecx,al |
142 | call get_label_id |
142 | call get_label_id |
143 | store_label_value: |
143 | store_label_value: |
144 | mov byte [edi-1],11h |
144 | mov byte [edi-1],11h |
145 | stos dword [edi] |
145 | stos dword [edi] |
146 | ret |
146 | ret |
147 | broken_value: |
147 | broken_value: |
148 | mov eax,0Fh |
148 | mov eax,0Fh |
149 | jmp store_label_value |
149 | jmp store_label_value |
150 | register_value: |
150 | register_value: |
151 | pop edi |
151 | pop edi |
152 | mov byte [edi-1],10h |
152 | mov byte [edi-1],10h |
153 | stos byte [edi] |
153 | stos byte [edi] |
154 | ret |
154 | ret |
155 | 155 | ||
156 | get_number: |
156 | get_number: |
157 | xor ebp,ebp |
157 | xor ebp,ebp |
158 | lods byte [esi] |
158 | lods byte [esi] |
159 | cmp al,22h |
159 | cmp al,22h |
160 | je get_text_number |
160 | je get_text_number |
161 | cmp al,1Ah |
161 | cmp al,1Ah |
162 | jne not_number |
162 | jne not_number |
163 | lods byte [esi] |
163 | lods byte [esi] |
164 | movzx ecx,al |
164 | movzx ecx,al |
165 | mov [number_start],esi |
165 | mov [number_start],esi |
166 | mov al,[esi] |
166 | mov al,[esi] |
167 | cmp al,'$' |
167 | cmp al,'$' |
168 | je number_begin |
168 | je number_begin |
169 | sub al,30h |
169 | sub al,30h |
170 | cmp al,9 |
170 | cmp al,9 |
171 | ja invalid_number |
171 | ja invalid_number |
172 | number_begin: |
172 | number_begin: |
173 | mov ebx,esi |
173 | mov ebx,esi |
174 | add esi,ecx |
174 | add esi,ecx |
175 | push esi |
175 | push esi |
176 | dec esi |
176 | dec esi |
177 | mov dword [edi],0 |
177 | mov dword [edi],0 |
178 | mov dword [edi+4],0 |
178 | mov dword [edi+4],0 |
179 | cmp byte [ebx],'$' |
179 | cmp byte [ebx],'$' |
180 | je pascal_hex_number |
180 | je pascal_hex_number |
181 | cmp word [ebx],'0x' |
181 | cmp word [ebx],'0x' |
182 | je c_hex_number |
182 | je get_hex_number |
183 | mov al,[esi] |
183 | mov al,[esi] |
184 | dec esi |
184 | dec esi |
185 | cmp al,'h' |
185 | cmp al,'h' |
186 | je get_hex_number |
186 | je get_hex_number |
187 | cmp al,'b' |
187 | cmp al,'b' |
188 | je get_bin_number |
188 | je get_bin_number |
189 | cmp al,'d' |
189 | cmp al,'d' |
190 | je get_dec_number |
190 | je get_dec_number |
191 | cmp al,'o' |
191 | cmp al,'o' |
192 | je get_oct_number |
192 | je get_oct_number |
193 | cmp al,'H' |
193 | cmp al,'H' |
194 | je get_hex_number |
194 | je get_hex_number |
195 | cmp al,'B' |
195 | cmp al,'B' |
196 | je get_bin_number |
196 | je get_bin_number |
197 | cmp al,'D' |
197 | cmp al,'D' |
198 | je get_dec_number |
198 | je get_dec_number |
199 | cmp al,'O' |
199 | cmp al,'O' |
200 | je get_oct_number |
200 | je get_oct_number |
201 | inc esi |
201 | inc esi |
202 | get_dec_number: |
202 | get_dec_number: |
203 | mov ebx,esi |
203 | mov ebx,esi |
204 | mov esi,[number_start] |
204 | mov esi,[number_start] |
205 | get_dec_digit: |
205 | get_dec_digit: |
206 | cmp esi,ebx |
206 | cmp esi,ebx |
207 | ja number_ok |
207 | ja number_ok |
208 | xor edx,edx |
208 | xor edx,edx |
209 | mov eax,[edi] |
209 | mov eax,[edi] |
210 | shld edx,eax,2 |
210 | shld edx,eax,2 |
211 | shl eax,2 |
211 | shl eax,2 |
212 | add eax,[edi] |
212 | add eax,[edi] |
213 | adc edx,0 |
213 | adc edx,0 |
214 | add eax,eax |
214 | add eax,eax |
215 | adc edx,edx |
215 | adc edx,edx |
216 | mov [edi],eax |
216 | mov [edi],eax |
217 | mov eax,[edi+4] |
217 | mov eax,[edi+4] |
218 | add eax,eax |
218 | add eax,eax |
219 | jc dec_out_of_range |
219 | jc dec_out_of_range |
220 | add eax,eax |
220 | add eax,eax |
221 | jc dec_out_of_range |
221 | jc dec_out_of_range |
222 | add eax,[edi+4] |
222 | add eax,[edi+4] |
223 | jc dec_out_of_range |
223 | jc dec_out_of_range |
224 | add eax,eax |
224 | add eax,eax |
225 | jc dec_out_of_range |
225 | jc dec_out_of_range |
226 | add eax,edx |
226 | add eax,edx |
227 | jc dec_out_of_range |
227 | jc dec_out_of_range |
228 | mov [edi+4],eax |
228 | mov [edi+4],eax |
229 | movzx eax,byte [esi] |
229 | movzx eax,byte [esi] |
230 | sub al,30h |
230 | sub al,30h |
231 | cmp al,9 |
231 | cmp al,9 |
232 | ja bad_number |
232 | ja bad_number |
233 | add [edi],eax |
233 | add [edi],eax |
234 | adc dword [edi+4],0 |
234 | adc dword [edi+4],0 |
235 | jc dec_out_of_range |
235 | jc dec_out_of_range |
236 | inc esi |
236 | inc esi |
237 | jmp get_dec_digit |
237 | jmp get_dec_digit |
238 | dec_out_of_range: |
238 | dec_out_of_range: |
239 | or ebp,-1 |
239 | or ebp,-1 |
240 | inc esi |
240 | inc esi |
241 | jmp get_dec_digit |
241 | jmp get_dec_digit |
242 | bad_number: |
242 | bad_number: |
243 | pop eax |
243 | pop eax |
244 | invalid_number: |
244 | invalid_number: |
245 | mov esi,[number_start] |
245 | mov esi,[number_start] |
246 | dec esi |
246 | dec esi |
247 | not_number: |
247 | not_number: |
248 | dec esi |
248 | dec esi |
249 | stc |
249 | stc |
250 | ret |
250 | ret |
251 | get_bin_number: |
251 | get_bin_number: |
252 | xor bl,bl |
252 | xor bl,bl |
253 | get_bin_digit: |
253 | get_bin_digit: |
254 | cmp esi,[number_start] |
254 | cmp esi,[number_start] |
255 | jb number_ok |
255 | jb number_ok |
256 | movzx eax,byte [esi] |
256 | movzx eax,byte [esi] |
257 | sub al,30h |
257 | sub al,30h |
258 | cmp al,1 |
258 | cmp al,1 |
259 | ja bad_number |
259 | ja bad_number |
260 | xor edx,edx |
260 | xor edx,edx |
261 | mov cl,bl |
261 | mov cl,bl |
262 | dec esi |
262 | dec esi |
263 | cmp bl,64 |
263 | cmp bl,64 |
264 | je bin_out_of_range |
264 | je bin_out_of_range |
265 | inc bl |
265 | inc bl |
266 | cmp cl,32 |
266 | cmp cl,32 |
267 | jae bin_digit_high |
267 | jae bin_digit_high |
268 | shl eax,cl |
268 | shl eax,cl |
269 | or dword [edi],eax |
269 | or dword [edi],eax |
270 | jmp get_bin_digit |
270 | jmp get_bin_digit |
271 | bin_digit_high: |
271 | bin_digit_high: |
272 | sub cl,32 |
272 | sub cl,32 |
273 | shl eax,cl |
273 | shl eax,cl |
274 | or dword [edi+4],eax |
274 | or dword [edi+4],eax |
275 | jmp get_bin_digit |
275 | jmp get_bin_digit |
276 | bin_out_of_range: |
276 | bin_out_of_range: |
277 | or al,al |
277 | or al,al |
278 | jz get_bin_digit |
278 | jz get_bin_digit |
279 | or ebp,-1 |
279 | or ebp,-1 |
280 | jmp get_bin_digit |
280 | jmp get_bin_digit |
281 | c_hex_number: |
281 | pascal_hex_number: |
282 | cmp cl,2 |
- | |
283 | je bad_number |
- | |
284 | pascal_hex_number: |
- | |
285 | cmp cl,1 |
282 | cmp cl,1 |
286 | je bad_number |
283 | je bad_number |
287 | get_hex_number: |
284 | get_hex_number: |
288 | xor bl,bl |
285 | xor bl,bl |
289 | get_hex_digit: |
286 | get_hex_digit: |
290 | cmp esi,[number_start] |
287 | cmp esi,[number_start] |
291 | jb number_ok |
288 | jb number_ok |
292 | movzx eax,byte [esi] |
289 | movzx eax,byte [esi] |
293 | cmp al,'x' |
290 | cmp al,'x' |
294 | je hex_number_ok |
291 | je hex_number_ok |
295 | cmp al,'$' |
292 | cmp al,'$' |
296 | je pascal_hex_ok |
293 | je pascal_hex_ok |
297 | sub al,30h |
294 | sub al,30h |
298 | cmp al,9 |
295 | cmp al,9 |
299 | jbe hex_digit_ok |
296 | jbe hex_digit_ok |
300 | sub al,7 |
297 | sub al,7 |
301 | cmp al,15 |
298 | cmp al,15 |
302 | jbe hex_letter_digit_ok |
299 | jbe hex_letter_digit_ok |
303 | sub al,20h |
300 | sub al,20h |
304 | cmp al,15 |
301 | cmp al,15 |
305 | ja bad_number |
302 | ja bad_number |
306 | hex_letter_digit_ok: |
303 | hex_letter_digit_ok: |
307 | cmp al,10 |
304 | cmp al,10 |
308 | jb bad_number |
305 | jb bad_number |
309 | hex_digit_ok: |
306 | hex_digit_ok: |
310 | xor edx,edx |
307 | xor edx,edx |
311 | mov cl,bl |
308 | mov cl,bl |
312 | dec esi |
309 | dec esi |
313 | cmp bl,64 |
310 | cmp bl,64 |
314 | je hex_out_of_range |
311 | je hex_out_of_range |
315 | add bl,4 |
312 | add bl,4 |
316 | cmp cl,32 |
313 | cmp cl,32 |
317 | jae hex_digit_high |
314 | jae hex_digit_high |
318 | shl eax,cl |
315 | shl eax,cl |
319 | or dword [edi],eax |
316 | or dword [edi],eax |
320 | jmp get_hex_digit |
317 | jmp get_hex_digit |
321 | hex_digit_high: |
318 | hex_digit_high: |
322 | sub cl,32 |
319 | sub cl,32 |
323 | shl eax,cl |
320 | shl eax,cl |
324 | or dword [edi+4],eax |
321 | or dword [edi+4],eax |
325 | jmp get_hex_digit |
322 | jmp get_hex_digit |
326 | hex_out_of_range: |
323 | hex_out_of_range: |
327 | or al,al |
324 | or al,al |
328 | jz get_hex_digit |
325 | jz get_hex_digit |
329 | or ebp,-1 |
326 | or ebp,-1 |
330 | jmp get_hex_digit |
327 | jmp get_hex_digit |
331 | get_oct_number: |
328 | get_oct_number: |
332 | xor bl,bl |
329 | xor bl,bl |
333 | get_oct_digit: |
330 | get_oct_digit: |
334 | cmp esi,[number_start] |
331 | cmp esi,[number_start] |
335 | jb number_ok |
332 | jb number_ok |
336 | movzx eax,byte [esi] |
333 | movzx eax,byte [esi] |
337 | sub al,30h |
334 | sub al,30h |
338 | cmp al,7 |
335 | cmp al,7 |
339 | ja bad_number |
336 | ja bad_number |
340 | oct_digit_ok: |
337 | oct_digit_ok: |
341 | xor edx,edx |
338 | xor edx,edx |
342 | mov cl,bl |
339 | mov cl,bl |
343 | dec esi |
340 | dec esi |
344 | cmp bl,64 |
341 | cmp bl,64 |
345 | jae oct_out_of_range |
342 | jae oct_out_of_range |
346 | add bl,3 |
343 | add bl,3 |
347 | cmp cl,30 |
344 | cmp cl,30 |
348 | je oct_digit_wrap |
345 | je oct_digit_wrap |
349 | ja oct_digit_high |
346 | ja oct_digit_high |
350 | shl eax,cl |
347 | shl eax,cl |
351 | or dword [edi],eax |
348 | or dword [edi],eax |
352 | jmp get_oct_digit |
349 | jmp get_oct_digit |
353 | oct_digit_wrap: |
350 | oct_digit_wrap: |
354 | shl eax,cl |
351 | shl eax,cl |
355 | adc dword [edi+4],0 |
352 | adc dword [edi+4],0 |
356 | or dword [edi],eax |
353 | or dword [edi],eax |
357 | jmp get_oct_digit |
354 | jmp get_oct_digit |
358 | oct_digit_high: |
355 | oct_digit_high: |
359 | sub cl,32 |
356 | sub cl,32 |
360 | shl eax,cl |
357 | shl eax,cl |
361 | or dword [edi+4],eax |
358 | or dword [edi+4],eax |
362 | jmp get_oct_digit |
359 | jmp get_oct_digit |
363 | oct_out_of_range: |
360 | oct_out_of_range: |
364 | or al,al |
361 | or al,al |
365 | jz get_oct_digit |
362 | jz get_oct_digit |
366 | or ebp,-1 |
363 | or ebp,-1 |
367 | jmp get_oct_digit |
364 | jmp get_oct_digit |
368 | hex_number_ok: |
365 | hex_number_ok: |
369 | dec esi |
366 | dec esi |
370 | pascal_hex_ok: |
367 | pascal_hex_ok: |
371 | cmp esi,[number_start] |
368 | cmp esi,[number_start] |
372 | jne bad_number |
369 | jne bad_number |
373 | number_ok: |
370 | number_ok: |
374 | pop esi |
371 | pop esi |
375 | number_done: |
372 | number_done: |
376 | clc |
373 | clc |
377 | ret |
374 | ret |
378 | get_text_number: |
375 | get_text_number: |
379 | lods dword [esi] |
376 | lods dword [esi] |
380 | mov edx,eax |
377 | mov edx,eax |
381 | xor bl,bl |
378 | xor bl,bl |
382 | mov dword [edi],0 |
379 | mov dword [edi],0 |
383 | mov dword [edi+4],0 |
380 | mov dword [edi+4],0 |
384 | get_text_character: |
381 | get_text_character: |
385 | sub edx,1 |
382 | sub edx,1 |
386 | jc number_done |
383 | jc number_done |
387 | movzx eax,byte [esi] |
384 | movzx eax,byte [esi] |
388 | inc esi |
385 | inc esi |
389 | mov cl,bl |
386 | mov cl,bl |
390 | cmp bl,64 |
387 | cmp bl,64 |
391 | je text_out_of_range |
388 | je text_out_of_range |
392 | add bl,8 |
389 | add bl,8 |
393 | cmp cl,32 |
390 | cmp cl,32 |
394 | jae text_character_high |
391 | jae text_character_high |
395 | shl eax,cl |
392 | shl eax,cl |
396 | or dword [edi],eax |
393 | or dword [edi],eax |
397 | jmp get_text_character |
394 | jmp get_text_character |
398 | text_character_high: |
395 | text_character_high: |
399 | sub cl,32 |
396 | sub cl,32 |
400 | shl eax,cl |
397 | shl eax,cl |
401 | or dword [edi+4],eax |
398 | or dword [edi+4],eax |
402 | jmp get_text_character |
399 | jmp get_text_character |
403 | text_out_of_range: |
400 | text_out_of_range: |
404 | or ebp,-1 |
401 | or ebp,-1 |
405 | jmp get_text_character |
402 | jmp get_text_character |
406 | 403 | ||
407 | get_fp_value: |
404 | get_fp_value: |
408 | push edi esi |
405 | push edi esi |
409 | lods byte [esi] |
406 | lods byte [esi] |
410 | cmp al,1Ah |
407 | cmp al,1Ah |
411 | je fp_value_start |
408 | je fp_value_start |
412 | cmp al,'-' |
409 | cmp al,'-' |
413 | je fp_sign_ok |
410 | je fp_sign_ok |
414 | cmp al,'+' |
411 | cmp al,'+' |
415 | jne not_fp_value |
412 | jne not_fp_value |
416 | fp_sign_ok: |
413 | fp_sign_ok: |
417 | lods byte [esi] |
414 | lods byte [esi] |
418 | cmp al,1Ah |
415 | cmp al,1Ah |
419 | jne not_fp_value |
416 | jne not_fp_value |
420 | fp_value_start: |
417 | fp_value_start: |
421 | lods byte [esi] |
418 | lods byte [esi] |
422 | movzx ecx,al |
419 | movzx ecx,al |
423 | cmp cl,1 |
420 | cmp cl,1 |
424 | jbe not_fp_value |
421 | jbe not_fp_value |
425 | lea edx,[esi+1] |
422 | lea edx,[esi+1] |
426 | xor ah,ah |
423 | xor ah,ah |
427 | check_fp_value: |
424 | check_fp_value: |
428 | lods byte [esi] |
425 | lods byte [esi] |
429 | cmp al,'.' |
426 | cmp al,'.' |
430 | je fp_character_dot |
427 | je fp_character_dot |
431 | cmp al,'E' |
428 | cmp al,'E' |
432 | je fp_character_exp |
429 | je fp_character_exp |
433 | cmp al,'e' |
430 | cmp al,'e' |
434 | je fp_character_exp |
431 | je fp_character_exp |
435 | cmp al,'F' |
432 | cmp al,'F' |
436 | je fp_last_character |
433 | je fp_last_character |
437 | cmp al,'f' |
434 | cmp al,'f' |
438 | je fp_last_character |
435 | je fp_last_character |
439 | digit_expected: |
436 | digit_expected: |
440 | cmp al,'0' |
437 | cmp al,'0' |
441 | jb not_fp_value |
438 | jb not_fp_value |
442 | cmp al,'9' |
439 | cmp al,'9' |
443 | ja not_fp_value |
440 | ja not_fp_value |
444 | jmp fp_character_ok |
441 | jmp fp_character_ok |
445 | fp_character_dot: |
442 | fp_character_dot: |
446 | cmp esi,edx |
443 | cmp esi,edx |
447 | je not_fp_value |
444 | je not_fp_value |
448 | or ah,ah |
445 | or ah,ah |
449 | jnz not_fp_value |
446 | jnz not_fp_value |
450 | or ah,1 |
447 | or ah,1 |
451 | lods byte [esi] |
448 | lods byte [esi] |
452 | loop digit_expected |
449 | loop digit_expected |
453 | not_fp_value: |
450 | not_fp_value: |
454 | pop esi edi |
451 | pop esi edi |
455 | stc |
452 | stc |
456 | ret |
453 | ret |
457 | fp_last_character: |
454 | fp_last_character: |
458 | cmp cl,1 |
455 | cmp cl,1 |
459 | jne not_fp_value |
456 | jne not_fp_value |
460 | or ah,4 |
457 | or ah,4 |
461 | jmp fp_character_ok |
458 | jmp fp_character_ok |
462 | fp_character_exp: |
459 | fp_character_exp: |
463 | cmp esi,edx |
460 | cmp esi,edx |
464 | je not_fp_value |
461 | je not_fp_value |
465 | cmp ah,1 |
462 | cmp ah,1 |
466 | ja not_fp_value |
463 | ja not_fp_value |
467 | or ah,2 |
464 | or ah,2 |
468 | cmp ecx,1 |
465 | cmp ecx,1 |
469 | jne fp_character_ok |
466 | jne fp_character_ok |
470 | cmp byte [esi],'+' |
467 | cmp byte [esi],'+' |
471 | je fp_exp_sign |
468 | je fp_exp_sign |
472 | cmp byte [esi],'-' |
469 | cmp byte [esi],'-' |
473 | jne fp_character_ok |
470 | jne fp_character_ok |
474 | fp_exp_sign: |
471 | fp_exp_sign: |
475 | inc esi |
472 | inc esi |
476 | cmp byte [esi],1Ah |
473 | cmp byte [esi],1Ah |
477 | jne not_fp_value |
474 | jne not_fp_value |
478 | inc esi |
475 | inc esi |
479 | lods byte [esi] |
476 | lods byte [esi] |
480 | movzx ecx,al |
477 | movzx ecx,al |
481 | inc ecx |
478 | inc ecx |
482 | fp_character_ok: |
479 | fp_character_ok: |
483 | dec ecx |
480 | dec ecx |
484 | jnz check_fp_value |
481 | jnz check_fp_value |
485 | or ah,ah |
482 | or ah,ah |
486 | jz not_fp_value |
483 | jz not_fp_value |
487 | pop esi |
484 | pop esi |
488 | lods byte [esi] |
485 | lods byte [esi] |
489 | mov [fp_sign],0 |
486 | mov [fp_sign],0 |
490 | cmp al,1Ah |
487 | cmp al,1Ah |
491 | je fp_get |
488 | je fp_get |
492 | inc esi |
489 | inc esi |
493 | cmp al,'+' |
490 | cmp al,'+' |
494 | je fp_get |
491 | je fp_get |
495 | mov [fp_sign],1 |
492 | mov [fp_sign],1 |
496 | fp_get: |
493 | fp_get: |
497 | lods byte [esi] |
494 | lods byte [esi] |
498 | movzx ecx,al |
495 | movzx ecx,al |
499 | xor edx,edx |
496 | xor edx,edx |
500 | mov edi,fp_value |
497 | mov edi,fp_value |
501 | mov [edi],edx |
498 | mov [edi],edx |
502 | mov [edi+4],edx |
499 | mov [edi+4],edx |
503 | mov [edi+12],edx |
500 | mov [edi+12],edx |
504 | call fp_optimize |
501 | call fp_optimize |
505 | mov [fp_format],0 |
502 | mov [fp_format],0 |
506 | mov al,[esi] |
503 | mov al,[esi] |
507 | fp_before_dot: |
504 | fp_before_dot: |
508 | lods byte [esi] |
505 | lods byte [esi] |
509 | cmp al,'.' |
506 | cmp al,'.' |
510 | je fp_dot |
507 | je fp_dot |
511 | cmp al,'E' |
508 | cmp al,'E' |
512 | je fp_exponent |
509 | je fp_exponent |
513 | cmp al,'e' |
510 | cmp al,'e' |
514 | je fp_exponent |
511 | je fp_exponent |
515 | cmp al,'F' |
512 | cmp al,'F' |
516 | je fp_done |
513 | je fp_done |
517 | cmp al,'f' |
514 | cmp al,'f' |
518 | je fp_done |
515 | je fp_done |
519 | sub al,30h |
516 | sub al,30h |
520 | mov edi,fp_value+16 |
517 | mov edi,fp_value+16 |
521 | xor edx,edx |
518 | xor edx,edx |
522 | mov dword [edi+12],edx |
519 | mov dword [edi+12],edx |
523 | mov dword [edi],edx |
520 | mov dword [edi],edx |
524 | mov dword [edi+4],edx |
521 | mov dword [edi+4],edx |
525 | mov [edi+7],al |
522 | mov [edi+7],al |
526 | mov dl,7 |
523 | mov dl,7 |
527 | mov dword [edi+8],edx |
524 | mov dword [edi+8],edx |
528 | call fp_optimize |
525 | call fp_optimize |
529 | mov edi,fp_value |
526 | mov edi,fp_value |
530 | push ecx |
527 | push ecx |
531 | mov ecx,10 |
528 | mov ecx,10 |
532 | call fp_mul |
529 | call fp_mul |
533 | pop ecx |
530 | pop ecx |
534 | mov ebx,fp_value+16 |
531 | mov ebx,fp_value+16 |
535 | call fp_add |
532 | call fp_add |
536 | loop fp_before_dot |
533 | loop fp_before_dot |
537 | fp_dot: |
534 | fp_dot: |
538 | mov edi,fp_value+16 |
535 | mov edi,fp_value+16 |
539 | xor edx,edx |
536 | xor edx,edx |
540 | mov [edi],edx |
537 | mov [edi],edx |
541 | mov [edi+4],edx |
538 | mov [edi+4],edx |
542 | mov byte [edi+7],80h |
539 | mov byte [edi+7],80h |
543 | mov [edi+8],edx |
540 | mov [edi+8],edx |
544 | mov dword [edi+12],edx |
541 | mov dword [edi+12],edx |
545 | dec ecx |
542 | dec ecx |
546 | jz fp_done |
543 | jz fp_done |
547 | fp_after_dot: |
544 | fp_after_dot: |
548 | lods byte [esi] |
545 | lods byte [esi] |
549 | cmp al,'E' |
546 | cmp al,'E' |
550 | je fp_exponent |
547 | je fp_exponent |
551 | cmp al,'e' |
548 | cmp al,'e' |
552 | je fp_exponent |
549 | je fp_exponent |
553 | cmp al,'F' |
550 | cmp al,'F' |
554 | je fp_done |
551 | je fp_done |
555 | cmp al,'f' |
552 | cmp al,'f' |
556 | je fp_done |
553 | je fp_done |
557 | inc [fp_format] |
554 | inc [fp_format] |
558 | cmp [fp_format],80h |
555 | cmp [fp_format],80h |
559 | jne fp_counter_ok |
556 | jne fp_counter_ok |
560 | mov [fp_format],7Fh |
557 | mov [fp_format],7Fh |
561 | fp_counter_ok: |
558 | fp_counter_ok: |
562 | dec esi |
559 | dec esi |
563 | mov edi,fp_value+16 |
560 | mov edi,fp_value+16 |
564 | push ecx |
561 | push ecx |
565 | mov ecx,10 |
562 | mov ecx,10 |
566 | call fp_div |
563 | call fp_div |
567 | push dword [edi] |
564 | push dword [edi] |
568 | push dword [edi+4] |
565 | push dword [edi+4] |
569 | push dword [edi+8] |
566 | push dword [edi+8] |
570 | push dword [edi+12] |
567 | push dword [edi+12] |
571 | lods byte [esi] |
568 | lods byte [esi] |
572 | sub al,30h |
569 | sub al,30h |
573 | movzx ecx,al |
570 | movzx ecx,al |
574 | call fp_mul |
571 | call fp_mul |
575 | mov ebx,edi |
572 | mov ebx,edi |
576 | mov edi,fp_value |
573 | mov edi,fp_value |
577 | call fp_add |
574 | call fp_add |
578 | mov edi,fp_value+16 |
575 | mov edi,fp_value+16 |
579 | pop dword [edi+12] |
576 | pop dword [edi+12] |
580 | pop dword [edi+8] |
577 | pop dword [edi+8] |
581 | pop dword [edi+4] |
578 | pop dword [edi+4] |
582 | pop dword [edi] |
579 | pop dword [edi] |
583 | pop ecx |
580 | pop ecx |
584 | loop fp_after_dot |
581 | loop fp_after_dot |
585 | jmp fp_done |
582 | jmp fp_done |
586 | fp_exponent: |
583 | fp_exponent: |
587 | or [fp_format],80h |
584 | or [fp_format],80h |
588 | xor edx,edx |
585 | xor edx,edx |
589 | xor ebp,ebp |
586 | xor ebp,ebp |
590 | dec ecx |
587 | dec ecx |
591 | jnz get_exponent |
588 | jnz get_exponent |
592 | cmp byte [esi],'+' |
589 | cmp byte [esi],'+' |
593 | je fp_exponent_sign |
590 | je fp_exponent_sign |
594 | cmp byte [esi],'-' |
591 | cmp byte [esi],'-' |
595 | jne fp_done |
592 | jne fp_done |
596 | not ebp |
593 | not ebp |
597 | fp_exponent_sign: |
594 | fp_exponent_sign: |
598 | add esi,2 |
595 | add esi,2 |
599 | lods byte [esi] |
596 | lods byte [esi] |
600 | movzx ecx,al |
597 | movzx ecx,al |
601 | get_exponent: |
598 | get_exponent: |
602 | movzx eax,byte [esi] |
599 | movzx eax,byte [esi] |
603 | inc esi |
600 | inc esi |
604 | sub al,30h |
601 | sub al,30h |
605 | cmp al,10 |
602 | cmp al,10 |
606 | jae exponent_ok |
603 | jae exponent_ok |
607 | imul edx,10 |
604 | imul edx,10 |
608 | cmp edx,8000h |
605 | cmp edx,8000h |
609 | jae value_out_of_range |
606 | jae value_out_of_range |
610 | add edx,eax |
607 | add edx,eax |
611 | loop get_exponent |
608 | loop get_exponent |
612 | exponent_ok: |
609 | exponent_ok: |
613 | mov edi,fp_value |
610 | mov edi,fp_value |
614 | or edx,edx |
611 | or edx,edx |
615 | jz fp_done |
612 | jz fp_done |
616 | mov ecx,edx |
613 | mov ecx,edx |
617 | or ebp,ebp |
614 | or ebp,ebp |
618 | jnz fp_negative_power |
615 | jnz fp_negative_power |
619 | fp_power: |
616 | fp_power: |
620 | push ecx |
617 | push ecx |
621 | mov ecx,10 |
618 | mov ecx,10 |
622 | call fp_mul |
619 | call fp_mul |
623 | pop ecx |
620 | pop ecx |
624 | loop fp_power |
621 | loop fp_power |
625 | jmp fp_done |
622 | jmp fp_done |
626 | fp_negative_power: |
623 | fp_negative_power: |
627 | push ecx |
624 | push ecx |
628 | mov ecx,10 |
625 | mov ecx,10 |
629 | call fp_div |
626 | call fp_div |
630 | pop ecx |
627 | pop ecx |
631 | loop fp_negative_power |
628 | loop fp_negative_power |
632 | fp_done: |
629 | fp_done: |
633 | mov edi,fp_value |
630 | mov edi,fp_value |
634 | mov al,[fp_format] |
631 | mov al,[fp_format] |
635 | mov [edi+10],al |
632 | mov [edi+10],al |
636 | mov al,[fp_sign] |
633 | mov al,[fp_sign] |
637 | mov [edi+11],al |
634 | mov [edi+11],al |
638 | test byte [edi+15],80h |
635 | test byte [edi+15],80h |
639 | jz fp_ok |
636 | jz fp_ok |
640 | add dword [edi],1 |
637 | add dword [edi],1 |
641 | adc dword [edi+4],0 |
638 | adc dword [edi+4],0 |
642 | jnc fp_ok |
639 | jnc fp_ok |
643 | mov eax,[edi+4] |
640 | mov eax,[edi+4] |
644 | shrd [edi],eax,1 |
641 | shrd [edi],eax,1 |
645 | shr eax,1 |
642 | shr eax,1 |
646 | or eax,80000000h |
643 | or eax,80000000h |
647 | mov [edi+4],eax |
644 | mov [edi+4],eax |
648 | inc word [edi+8] |
645 | inc word [edi+8] |
649 | fp_ok: |
646 | fp_ok: |
650 | pop edi |
647 | pop edi |
651 | clc |
648 | clc |
652 | ret |
649 | ret |
653 | fp_mul: |
650 | fp_mul: |
654 | or ecx,ecx |
651 | or ecx,ecx |
655 | jz fp_zero |
652 | jz fp_zero |
656 | mov eax,[edi+12] |
653 | mov eax,[edi+12] |
657 | mul ecx |
654 | mul ecx |
658 | mov [edi+12],eax |
655 | mov [edi+12],eax |
659 | mov ebx,edx |
656 | mov ebx,edx |
660 | mov eax,[edi] |
657 | mov eax,[edi] |
661 | mul ecx |
658 | mul ecx |
662 | add eax,ebx |
659 | add eax,ebx |
663 | adc edx,0 |
660 | adc edx,0 |
664 | mov [edi],eax |
661 | mov [edi],eax |
665 | mov ebx,edx |
662 | mov ebx,edx |
666 | mov eax,[edi+4] |
663 | mov eax,[edi+4] |
667 | mul ecx |
664 | mul ecx |
668 | add eax,ebx |
665 | add eax,ebx |
669 | adc edx,0 |
666 | adc edx,0 |
670 | mov [edi+4],eax |
667 | mov [edi+4],eax |
671 | .loop: |
668 | .loop: |
672 | or edx,edx |
669 | or edx,edx |
673 | jz .done |
670 | jz .done |
674 | mov eax,[edi] |
671 | mov eax,[edi] |
675 | shrd [edi+12],eax,1 |
672 | shrd [edi+12],eax,1 |
676 | mov eax,[edi+4] |
673 | mov eax,[edi+4] |
677 | shrd [edi],eax,1 |
674 | shrd [edi],eax,1 |
678 | shrd eax,edx,1 |
675 | shrd eax,edx,1 |
679 | mov [edi+4],eax |
676 | mov [edi+4],eax |
680 | shr edx,1 |
677 | shr edx,1 |
681 | inc dword [edi+8] |
678 | inc dword [edi+8] |
682 | cmp dword [edi+8],8000h |
679 | cmp dword [edi+8],8000h |
683 | jge value_out_of_range |
680 | jge value_out_of_range |
684 | jmp .loop |
681 | jmp .loop |
685 | .done: |
682 | .done: |
686 | ret |
683 | ret |
687 | fp_div: |
684 | fp_div: |
688 | mov eax,[edi+4] |
685 | mov eax,[edi+4] |
689 | xor edx,edx |
686 | xor edx,edx |
690 | div ecx |
687 | div ecx |
691 | mov [edi+4],eax |
688 | mov [edi+4],eax |
692 | mov eax,[edi] |
689 | mov eax,[edi] |
693 | div ecx |
690 | div ecx |
694 | mov [edi],eax |
691 | mov [edi],eax |
695 | mov eax,[edi+12] |
692 | mov eax,[edi+12] |
696 | div ecx |
693 | div ecx |
697 | mov [edi+12],eax |
694 | mov [edi+12],eax |
698 | mov ebx,eax |
695 | mov ebx,eax |
699 | or ebx,[edi] |
696 | or ebx,[edi] |
700 | or ebx,[edi+4] |
697 | or ebx,[edi+4] |
701 | jz fp_zero |
698 | jz fp_zero |
702 | .loop: |
699 | .loop: |
703 | test byte [edi+7],80h |
700 | test byte [edi+7],80h |
704 | jnz .exp_ok |
701 | jnz .exp_ok |
705 | mov eax,[edi] |
702 | mov eax,[edi] |
706 | shld [edi+4],eax,1 |
703 | shld [edi+4],eax,1 |
707 | mov eax,[edi+12] |
704 | mov eax,[edi+12] |
708 | shld [edi],eax,1 |
705 | shld [edi],eax,1 |
709 | add eax,eax |
706 | add eax,eax |
710 | mov [edi+12],eax |
707 | mov [edi+12],eax |
711 | dec dword [edi+8] |
708 | dec dword [edi+8] |
712 | add edx,edx |
709 | add edx,edx |
713 | jmp .loop |
710 | jmp .loop |
714 | .exp_ok: |
711 | .exp_ok: |
715 | mov eax,edx |
712 | mov eax,edx |
716 | xor edx,edx |
713 | xor edx,edx |
717 | div ecx |
714 | div ecx |
718 | add [edi+12],eax |
715 | add [edi+12],eax |
719 | adc dword [edi],0 |
716 | adc dword [edi],0 |
720 | adc dword [edi+4],0 |
717 | adc dword [edi+4],0 |
721 | jnc .done |
718 | jnc .done |
722 | mov eax,[edi+4] |
719 | mov eax,[edi+4] |
723 | mov ebx,[edi] |
720 | mov ebx,[edi] |
724 | shrd [edi],eax,1 |
721 | shrd [edi],eax,1 |
725 | shrd [edi+12],ebx,1 |
722 | shrd [edi+12],ebx,1 |
726 | shr eax,1 |
723 | shr eax,1 |
727 | or eax,80000000h |
724 | or eax,80000000h |
728 | mov [edi+4],eax |
725 | mov [edi+4],eax |
729 | inc dword [edi+8] |
726 | inc dword [edi+8] |
730 | .done: |
727 | .done: |
731 | ret |
728 | ret |
732 | fp_add: |
729 | fp_add: |
733 | cmp dword [ebx+8],8000h |
730 | cmp dword [ebx+8],8000h |
734 | je .done |
731 | je .done |
735 | cmp dword [edi+8],8000h |
732 | cmp dword [edi+8],8000h |
736 | je .copy |
733 | je .copy |
737 | mov eax,[ebx+8] |
734 | mov eax,[ebx+8] |
738 | cmp eax,[edi+8] |
735 | cmp eax,[edi+8] |
739 | jge .exp_ok |
736 | jge .exp_ok |
740 | mov eax,[edi+8] |
737 | mov eax,[edi+8] |
741 | .exp_ok: |
738 | .exp_ok: |
742 | call .change_exp |
739 | call .change_exp |
743 | xchg ebx,edi |
740 | xchg ebx,edi |
744 | call .change_exp |
741 | call .change_exp |
745 | xchg ebx,edi |
742 | xchg ebx,edi |
746 | mov edx,[ebx+12] |
743 | mov edx,[ebx+12] |
747 | mov eax,[ebx] |
744 | mov eax,[ebx] |
748 | mov ebx,[ebx+4] |
745 | mov ebx,[ebx+4] |
749 | add [edi+12],edx |
746 | add [edi+12],edx |
750 | adc [edi],eax |
747 | adc [edi],eax |
751 | adc [edi+4],ebx |
748 | adc [edi+4],ebx |
752 | jnc .done |
749 | jnc .done |
753 | mov eax,[edi] |
750 | mov eax,[edi] |
754 | shrd [edi+12],eax,1 |
751 | shrd [edi+12],eax,1 |
755 | mov eax,[edi+4] |
752 | mov eax,[edi+4] |
756 | shrd [edi],eax,1 |
753 | shrd [edi],eax,1 |
757 | shr eax,1 |
754 | shr eax,1 |
758 | or eax,80000000h |
755 | or eax,80000000h |
759 | mov [edi+4],eax |
756 | mov [edi+4],eax |
760 | inc dword [edi+8] |
757 | inc dword [edi+8] |
761 | .done: |
758 | .done: |
762 | ret |
759 | ret |
763 | .copy: |
760 | .copy: |
764 | mov eax,[ebx] |
761 | mov eax,[ebx] |
765 | mov [edi],eax |
762 | mov [edi],eax |
766 | mov eax,[ebx+4] |
763 | mov eax,[ebx+4] |
767 | mov [edi+4],eax |
764 | mov [edi+4],eax |
768 | mov eax,[ebx+8] |
765 | mov eax,[ebx+8] |
769 | mov [edi+8],eax |
766 | mov [edi+8],eax |
770 | mov eax,[ebx+12] |
767 | mov eax,[ebx+12] |
771 | mov [edi+12],eax |
768 | mov [edi+12],eax |
772 | ret |
769 | ret |
773 | .change_exp: |
770 | .change_exp: |
774 | push ecx |
771 | push ecx |
775 | mov ecx,eax |
772 | mov ecx,eax |
776 | sub ecx,[ebx+8] |
773 | sub ecx,[ebx+8] |
777 | mov edx,[ebx+4] |
774 | mov edx,[ebx+4] |
778 | jecxz .exp_done |
775 | jecxz .exp_done |
779 | .exp_loop: |
776 | .exp_loop: |
780 | mov ebp,[ebx] |
777 | mov ebp,[ebx] |
781 | shrd [ebx+12],ebp,1 |
778 | shrd [ebx+12],ebp,1 |
782 | shrd [ebx],edx,1 |
779 | shrd [ebx],edx,1 |
783 | shr edx,1 |
780 | shr edx,1 |
784 | inc dword [ebx+8] |
781 | inc dword [ebx+8] |
785 | loop .exp_loop |
782 | loop .exp_loop |
786 | .exp_done: |
783 | .exp_done: |
787 | mov [ebx+4],edx |
784 | mov [ebx+4],edx |
788 | pop ecx |
785 | pop ecx |
789 | ret |
786 | ret |
790 | fp_optimize: |
787 | fp_optimize: |
791 | mov eax,[edi] |
788 | mov eax,[edi] |
792 | mov ebp,[edi+4] |
789 | mov ebp,[edi+4] |
793 | or ebp,[edi] |
790 | or ebp,[edi] |
794 | or ebp,[edi+12] |
791 | or ebp,[edi+12] |
795 | jz fp_zero |
792 | jz fp_zero |
796 | .loop: |
793 | .loop: |
797 | test byte [edi+7],80h |
794 | test byte [edi+7],80h |
798 | jnz .done |
795 | jnz .done |
799 | shld [edi+4],eax,1 |
796 | shld [edi+4],eax,1 |
800 | mov ebp,[edi+12] |
797 | mov ebp,[edi+12] |
801 | shld eax,ebp,1 |
798 | shld eax,ebp,1 |
802 | mov [edi],eax |
799 | mov [edi],eax |
803 | shl dword [edi+12],1 |
800 | shl dword [edi+12],1 |
804 | dec dword [edi+8] |
801 | dec dword [edi+8] |
805 | jmp .loop |
802 | jmp .loop |
806 | .done: |
803 | .done: |
807 | ret |
804 | ret |
808 | fp_zero: |
805 | fp_zero: |
809 | mov dword [edi+8],8000h |
806 | mov dword [edi+8],8000h |
810 | ret |
807 | ret |
811 | 808 | ||
812 | calculate_expression: |
809 | calculate_expression: |
813 | mov [current_offset],edi |
810 | mov [current_offset],edi |
814 | mov [value_undefined],0 |
811 | mov [value_undefined],0 |
815 | cmp byte [esi],0 |
812 | cmp byte [esi],0 |
816 | je get_string_value |
813 | je get_string_value |
817 | cmp byte [esi],'.' |
814 | cmp byte [esi],'.' |
818 | je convert_fp |
815 | je convert_fp |
819 | calculation_loop: |
816 | calculation_loop: |
820 | lods byte [esi] |
817 | lods byte [esi] |
821 | cmp al,1 |
818 | cmp al,1 |
822 | je get_byte_number |
819 | je get_byte_number |
823 | cmp al,2 |
820 | cmp al,2 |
824 | je get_word_number |
821 | je get_word_number |
825 | cmp al,4 |
822 | cmp al,4 |
826 | je get_dword_number |
823 | je get_dword_number |
827 | cmp al,8 |
824 | cmp al,8 |
828 | je get_qword_number |
825 | je get_qword_number |
829 | cmp al,0Fh |
826 | cmp al,0Fh |
830 | je value_out_of_range |
827 | je value_out_of_range |
831 | cmp al,10h |
828 | cmp al,10h |
832 | je get_register |
829 | je get_register |
833 | cmp al,11h |
830 | cmp al,11h |
834 | je get_label |
831 | je get_label |
835 | cmp al,')' |
832 | cmp al,')' |
836 | je expression_calculated |
833 | je expression_calculated |
837 | cmp al,']' |
834 | cmp al,']' |
838 | je expression_calculated |
835 | je expression_calculated |
839 | cmp al,'!' |
836 | cmp al,'!' |
840 | je invalid_expression |
837 | je invalid_expression |
841 | sub edi,14h |
838 | sub edi,14h |
842 | mov ebx,edi |
839 | mov ebx,edi |
843 | sub ebx,14h |
840 | sub ebx,14h |
844 | cmp al,0E0h |
841 | cmp al,0E0h |
845 | je calculate_rva |
842 | je calculate_rva |
846 | cmp al,0E1h |
843 | cmp al,0E1h |
847 | je calculate_plt |
844 | je calculate_plt |
848 | cmp al,0D0h |
845 | cmp al,0D0h |
849 | je calculate_not |
846 | je calculate_not |
850 | cmp al,083h |
847 | cmp al,083h |
851 | je calculate_neg |
848 | je calculate_neg |
852 | mov dx,[ebx+8] |
849 | mov dx,[ebx+8] |
853 | or dx,[edi+8] |
850 | or dx,[edi+8] |
854 | cmp al,80h |
851 | cmp al,80h |
855 | je calculate_add |
852 | je calculate_add |
856 | cmp al,81h |
853 | cmp al,81h |
857 | je calculate_sub |
854 | je calculate_sub |
858 | mov ah,[ebx+12] |
855 | mov ah,[ebx+12] |
859 | or ah,[edi+12] |
856 | or ah,[edi+12] |
860 | jz absolute_values_calculation |
857 | jz absolute_values_calculation |
861 | cmp [error_line],0 |
858 | cmp [error_line],0 |
862 | jne absolute_values_calculation |
859 | jne absolute_values_calculation |
863 | mov eax,[current_line] |
860 | mov eax,[current_line] |
864 | mov [error_line],eax |
861 | mov [error_line],eax |
865 | mov [error],invalid_use_of_symbol |
862 | mov [error],invalid_use_of_symbol |
866 | absolute_values_calculation: |
863 | absolute_values_calculation: |
867 | cmp al,90h |
864 | cmp al,90h |
868 | je calculate_mul |
865 | je calculate_mul |
869 | cmp al,91h |
866 | cmp al,91h |
870 | je calculate_div |
867 | je calculate_div |
871 | or dx,dx |
868 | or dx,dx |
872 | jnz invalid_expression |
869 | jnz invalid_expression |
873 | cmp al,0A0h |
870 | cmp al,0A0h |
874 | je calculate_mod |
871 | je calculate_mod |
875 | cmp al,0B0h |
872 | cmp al,0B0h |
876 | je calculate_and |
873 | je calculate_and |
877 | cmp al,0B1h |
874 | cmp al,0B1h |
878 | je calculate_or |
875 | je calculate_or |
879 | cmp al,0B2h |
876 | cmp al,0B2h |
880 | je calculate_xor |
877 | je calculate_xor |
881 | cmp al,0C0h |
878 | cmp al,0C0h |
882 | je calculate_shl |
879 | je calculate_shl |
883 | cmp al,0C1h |
880 | cmp al,0C1h |
884 | je calculate_shr |
881 | je calculate_shr |
885 | jmp invalid_expression |
882 | jmp invalid_expression |
886 | expression_calculated: |
883 | expression_calculated: |
887 | sub edi,14h |
884 | sub edi,14h |
888 | cmp [value_undefined],0 |
885 | cmp [value_undefined],0 |
889 | je expression_value_ok |
886 | je expression_value_ok |
890 | xor eax,eax |
887 | xor eax,eax |
891 | mov [edi],eax |
888 | mov [edi],eax |
892 | mov [edi+4],eax |
889 | mov [edi+4],eax |
893 | mov [edi+12],al |
890 | mov [edi+12],al |
894 | expression_value_ok: |
891 | expression_value_ok: |
895 | ret |
892 | ret |
896 | get_byte_number: |
893 | get_byte_number: |
897 | mov word [edi+8],0 |
894 | mov word [edi+8],0 |
898 | mov byte [edi+12],0 |
895 | mov byte [edi+12],0 |
899 | xor eax,eax |
896 | xor eax,eax |
900 | lods byte [esi] |
897 | lods byte [esi] |
901 | stos dword [edi] |
898 | stos dword [edi] |
902 | xor al,al |
899 | xor al,al |
903 | stos dword [edi] |
900 | stos dword [edi] |
904 | add edi,0Ch |
901 | add edi,0Ch |
905 | jmp calculation_loop |
902 | jmp calculation_loop |
906 | get_word_number: |
903 | get_word_number: |
907 | mov word [edi+8],0 |
904 | mov word [edi+8],0 |
908 | mov byte [edi+12],0 |
905 | mov byte [edi+12],0 |
909 | xor eax,eax |
906 | xor eax,eax |
910 | lods word [esi] |
907 | lods word [esi] |
911 | stos dword [edi] |
908 | stos dword [edi] |
912 | xor ax,ax |
909 | xor ax,ax |
913 | stos dword [edi] |
910 | stos dword [edi] |
914 | add edi,0Ch |
911 | add edi,0Ch |
915 | jmp calculation_loop |
912 | jmp calculation_loop |
916 | get_dword_number: |
913 | get_dword_number: |
917 | mov word [edi+8],0 |
914 | mov word [edi+8],0 |
918 | mov byte [edi+12],0 |
915 | mov byte [edi+12],0 |
919 | movs dword [edi],[esi] |
916 | movs dword [edi],[esi] |
920 | xor eax,eax |
917 | xor eax,eax |
921 | stos dword [edi] |
918 | stos dword [edi] |
922 | add edi,0Ch |
919 | add edi,0Ch |
923 | jmp calculation_loop |
920 | jmp calculation_loop |
924 | get_qword_number: |
921 | get_qword_number: |
925 | mov word [edi+8],0 |
922 | mov word [edi+8],0 |
926 | mov byte [edi+12],0 |
923 | mov byte [edi+12],0 |
927 | movs dword [edi],[esi] |
924 | movs dword [edi],[esi] |
928 | movs dword [edi],[esi] |
925 | movs dword [edi],[esi] |
929 | add edi,0Ch |
926 | add edi,0Ch |
930 | jmp calculation_loop |
927 | jmp calculation_loop |
931 | get_register: |
928 | get_register: |
932 | mov byte [edi+9],0 |
929 | mov byte [edi+9],0 |
933 | mov byte [edi+12],0 |
930 | mov byte [edi+12],0 |
934 | lods byte [esi] |
931 | lods byte [esi] |
935 | mov [edi+8],al |
932 | mov [edi+8],al |
936 | mov byte [edi+10],1 |
933 | mov byte [edi+10],1 |
937 | xor eax,eax |
934 | xor eax,eax |
938 | stos dword [edi] |
935 | stos dword [edi] |
939 | stos dword [edi] |
936 | stos dword [edi] |
940 | add edi,0Ch |
937 | add edi,0Ch |
941 | jmp calculation_loop |
938 | jmp calculation_loop |
942 | get_label: |
939 | get_label: |
943 | xor eax,eax |
940 | xor eax,eax |
944 | mov [edi+8],eax |
941 | mov [edi+8],eax |
945 | mov [edi+12],al |
942 | mov [edi+12],al |
946 | mov [edi+20],eax |
943 | mov [edi+20],eax |
947 | lods dword [esi] |
944 | lods dword [esi] |
948 | cmp eax,0Fh |
945 | cmp eax,0Fh |
949 | jb predefined_label |
946 | jb predefined_label |
950 | je reserved_word_used_as_symbol |
947 | je reserved_word_used_as_symbol |
951 | mov ebx,eax |
948 | mov ebx,eax |
952 | mov ax,[current_pass] |
949 | mov ax,[current_pass] |
953 | mov [ebx+18],ax |
950 | mov [ebx+18],ax |
954 | or byte [ebx+8],8 |
951 | or byte [ebx+8],8 |
955 | test byte [ebx+8],1 |
952 | test byte [ebx+8],1 |
956 | jz label_undefined |
953 | jz label_undefined |
957 | cmp ax,[ebx+16] |
954 | cmp ax,[ebx+16] |
958 | je label_defined |
955 | je label_defined |
959 | test byte [ebx+8],4 |
956 | test byte [ebx+8],4 |
960 | jnz label_undefined |
957 | jnz label_undefined |
961 | test byte [ebx+9],1 |
958 | test byte [ebx+9],1 |
962 | jz label_defined |
959 | jz label_defined |
963 | mov eax,[ebx] |
960 | mov eax,[ebx] |
964 | sub eax,dword [adjustment] |
961 | sub eax,dword [adjustment] |
965 | stos dword [edi] |
962 | stos dword [edi] |
966 | mov eax,[ebx+4] |
963 | mov eax,[ebx+4] |
967 | sbb eax,dword [adjustment+4] |
964 | sbb eax,dword [adjustment+4] |
968 | stos dword [edi] |
965 | stos dword [edi] |
969 | mov eax,dword [adjustment] |
966 | mov eax,dword [adjustment] |
970 | or eax,dword [adjustment+4] |
967 | or eax,dword [adjustment+4] |
971 | jz got_label |
968 | jz got_label |
972 | or [next_pass_needed],-1 |
969 | or [next_pass_needed],-1 |
973 | jmp got_label |
970 | jmp got_label |
974 | label_defined: |
971 | label_defined: |
975 | mov eax,[ebx] |
972 | mov eax,[ebx] |
976 | stos dword [edi] |
973 | stos dword [edi] |
977 | mov eax,[ebx+4] |
974 | mov eax,[ebx+4] |
978 | stos dword [edi] |
975 | stos dword [edi] |
979 | got_label: |
976 | got_label: |
980 | mov al,[ebx+11] |
977 | mov al,[ebx+11] |
981 | mov [edi-8+12],al |
978 | mov [edi-8+12],al |
982 | mov eax,[ebx+12] |
979 | mov eax,[ebx+12] |
983 | mov [edi-8+8],eax |
980 | mov [edi-8+8],eax |
984 | mov eax,[ebx+20] |
981 | mov eax,[ebx+20] |
985 | mov [edi-8+16],eax |
982 | mov [edi-8+16],eax |
986 | add edi,0Ch |
983 | add edi,0Ch |
987 | mov al,[ebx+10] |
984 | mov al,[ebx+10] |
988 | or al,al |
985 | or al,al |
989 | jz calculation_loop |
986 | jz calculation_loop |
990 | cmp [size_override],-1 |
987 | cmp [size_override],-1 |
991 | je calculation_loop |
988 | je calculation_loop |
992 | cmp [size_override],0 |
989 | cmp [size_override],0 |
993 | je check_size |
990 | je check_size |
994 | cmp [operand_size],0 |
991 | cmp [operand_size],0 |
995 | jne calculation_loop |
992 | jne calculation_loop |
996 | mov [operand_size],al |
993 | mov [operand_size],al |
997 | jmp calculation_loop |
994 | jmp calculation_loop |
998 | check_size: |
995 | check_size: |
999 | xchg [operand_size],al |
996 | xchg [operand_size],al |
1000 | or al,al |
997 | or al,al |
1001 | jz calculation_loop |
998 | jz calculation_loop |
1002 | cmp al,[operand_size] |
999 | cmp al,[operand_size] |
1003 | jne operand_sizes_do_not_match |
1000 | jne operand_sizes_do_not_match |
1004 | jmp calculation_loop |
1001 | jmp calculation_loop |
1005 | current_offset_label: |
1002 | current_offset_label: |
1006 | mov al,[labels_type] |
1003 | mov al,[labels_type] |
1007 | mov [edi+12],al |
1004 | mov [edi+12],al |
1008 | mov eax,[org_symbol] |
1005 | mov eax,[org_symbol] |
1009 | mov [edi+16],eax |
1006 | mov [edi+16],eax |
1010 | mov eax,[current_offset] |
1007 | mov eax,[current_offset] |
1011 | xor edx,edx |
1008 | xor edx,edx |
1012 | sub eax,dword [org_origin] |
1009 | sub eax,dword [org_origin] |
1013 | sbb edx,dword [org_origin+4] |
1010 | sbb edx,dword [org_origin+4] |
1014 | stos dword [edi] |
1011 | stos dword [edi] |
1015 | mov eax,edx |
1012 | mov eax,edx |
1016 | stos dword [edi] |
1013 | stos dword [edi] |
1017 | mov eax,[org_registers] |
1014 | mov eax,[org_registers] |
1018 | stos dword [edi] |
1015 | stos dword [edi] |
1019 | add edi,8 |
1016 | add edi,8 |
1020 | jmp calculation_loop |
1017 | jmp calculation_loop |
1021 | org_origin_label: |
1018 | org_origin_label: |
1022 | mov al,[labels_type] |
1019 | mov al,[labels_type] |
1023 | mov [edi+12],al |
1020 | mov [edi+12],al |
1024 | mov eax,[org_symbol] |
1021 | mov eax,[org_symbol] |
1025 | mov [edi+16],eax |
1022 | mov [edi+16],eax |
1026 | mov eax,[org_start] |
1023 | mov eax,[org_start] |
1027 | xor edx,edx |
1024 | xor edx,edx |
1028 | sub eax,dword [org_origin] |
1025 | sub eax,dword [org_origin] |
1029 | sbb edx,dword [org_origin+4] |
1026 | sbb edx,dword [org_origin+4] |
1030 | stos dword [edi] |
1027 | stos dword [edi] |
1031 | mov eax,edx |
1028 | mov eax,edx |
1032 | stos dword [edi] |
1029 | stos dword [edi] |
1033 | mov eax,[org_registers] |
1030 | mov eax,[org_registers] |
1034 | stos dword [edi] |
1031 | stos dword [edi] |
1035 | add edi,8 |
1032 | add edi,8 |
1036 | jmp calculation_loop |
1033 | jmp calculation_loop |
1037 | counter_label: |
1034 | counter_label: |
1038 | mov eax,[counter] |
1035 | mov eax,[counter] |
1039 | make_dword_label_value: |
1036 | make_dword_label_value: |
1040 | stos dword [edi] |
1037 | stos dword [edi] |
1041 | xor eax,eax |
1038 | xor eax,eax |
1042 | stos dword [edi] |
1039 | stos dword [edi] |
1043 | add edi,0Ch |
1040 | add edi,0Ch |
1044 | jmp calculation_loop |
1041 | jmp calculation_loop |
1045 | timestamp_label: |
1042 | timestamp_label: |
1046 | call make_timestamp |
1043 | call make_timestamp |
1047 | jmp make_dword_label_value |
1044 | jmp make_dword_label_value |
1048 | predefined_label: |
1045 | predefined_label: |
1049 | or eax,eax |
1046 | or eax,eax |
1050 | jz current_offset_label |
1047 | jz current_offset_label |
1051 | cmp eax,1 |
1048 | cmp eax,1 |
1052 | je counter_label |
1049 | je counter_label |
1053 | cmp eax,2 |
1050 | cmp eax,2 |
1054 | je timestamp_label |
1051 | je timestamp_label |
1055 | cmp eax,3 |
1052 | cmp eax,3 |
1056 | je org_origin_label |
1053 | je org_origin_label |
1057 | label_undefined: |
1054 | label_undefined: |
1058 | cmp [current_pass],1 |
1055 | cmp [current_pass],1 |
1059 | ja undefined_value |
1056 | ja undefined_value |
1060 | force_next_pass: |
1057 | force_next_pass: |
1061 | or [next_pass_needed],-1 |
1058 | or [next_pass_needed],-1 |
1062 | undefined_value: |
1059 | undefined_value: |
1063 | mov byte [edi+12],0 |
1060 | mov byte [edi+12],0 |
1064 | or [value_undefined],-1 |
1061 | or [value_undefined],-1 |
1065 | xor eax,eax |
1062 | xor eax,eax |
1066 | stos dword [edi] |
1063 | stos dword [edi] |
1067 | stos dword [edi] |
1064 | stos dword [edi] |
1068 | add edi,0Ch |
1065 | add edi,0Ch |
1069 | cmp [error_line],0 |
1066 | cmp [error_line],0 |
1070 | jne calculation_loop |
1067 | jne calculation_loop |
1071 | mov eax,[current_line] |
1068 | mov eax,[current_line] |
1072 | mov [error_line],eax |
1069 | mov [error_line],eax |
1073 | mov [error],undefined_symbol |
1070 | mov [error],undefined_symbol |
1074 | jmp calculation_loop |
1071 | jmp calculation_loop |
1075 | calculate_add: |
1072 | calculate_add: |
1076 | mov ecx,[ebx+16] |
1073 | mov ecx,[ebx+16] |
1077 | cmp byte [edi+12],0 |
1074 | cmp byte [edi+12],0 |
1078 | je add_values |
1075 | je add_values |
1079 | mov ecx,[edi+16] |
1076 | mov ecx,[edi+16] |
1080 | cmp byte [ebx+12],0 |
1077 | cmp byte [ebx+12],0 |
1081 | je add_values |
1078 | je add_values |
1082 | cmp [error_line],0 |
1079 | cmp [error_line],0 |
1083 | jne add_values |
1080 | jne add_values |
1084 | mov eax,[current_line] |
1081 | mov eax,[current_line] |
1085 | mov [error_line],eax |
1082 | mov [error_line],eax |
1086 | mov [error],invalid_use_of_symbol |
1083 | mov [error],invalid_use_of_symbol |
1087 | add_values: |
1084 | add_values: |
1088 | mov al,[edi+12] |
1085 | mov al,[edi+12] |
1089 | or [ebx+12],al |
1086 | or [ebx+12],al |
1090 | mov [ebx+16],ecx |
1087 | mov [ebx+16],ecx |
1091 | mov eax,[edi] |
1088 | mov eax,[edi] |
1092 | add [ebx],eax |
1089 | add [ebx],eax |
1093 | mov eax,[edi+4] |
1090 | mov eax,[edi+4] |
1094 | adc [ebx+4],eax |
1091 | adc [ebx+4],eax |
1095 | or dx,dx |
1092 | or dx,dx |
1096 | jz calculation_loop |
1093 | jz calculation_loop |
1097 | push esi |
1094 | push esi |
1098 | mov esi,ebx |
1095 | mov esi,ebx |
1099 | lea ebx,[edi+10] |
1096 | lea ebx,[edi+10] |
1100 | mov cl,[edi+8] |
1097 | mov cl,[edi+8] |
1101 | call add_register |
1098 | call add_register |
1102 | lea ebx,[edi+11] |
1099 | lea ebx,[edi+11] |
1103 | mov cl,[edi+9] |
1100 | mov cl,[edi+9] |
1104 | call add_register |
1101 | call add_register |
1105 | pop esi |
1102 | pop esi |
1106 | jmp calculation_loop |
1103 | jmp calculation_loop |
1107 | add_register: |
1104 | add_register: |
1108 | or cl,cl |
1105 | or cl,cl |
1109 | jz add_register_done |
1106 | jz add_register_done |
1110 | add_register_start: |
1107 | add_register_start: |
1111 | cmp [esi+8],cl |
1108 | cmp [esi+8],cl |
1112 | jne add_in_second_slot |
1109 | jne add_in_second_slot |
1113 | mov al,[ebx] |
1110 | mov al,[ebx] |
1114 | add [esi+10],al |
1111 | add [esi+10],al |
1115 | jnz add_register_done |
1112 | jnz add_register_done |
1116 | mov byte [esi+8],0 |
1113 | mov byte [esi+8],0 |
1117 | ret |
1114 | ret |
1118 | add_in_second_slot: |
1115 | add_in_second_slot: |
1119 | cmp [esi+9],cl |
1116 | cmp [esi+9],cl |
1120 | jne create_in_first_slot |
1117 | jne create_in_first_slot |
1121 | mov al,[ebx] |
1118 | mov al,[ebx] |
1122 | add [esi+11],al |
1119 | add [esi+11],al |
1123 | jnz add_register_done |
1120 | jnz add_register_done |
1124 | mov byte [esi+9],0 |
1121 | mov byte [esi+9],0 |
1125 | ret |
1122 | ret |
1126 | create_in_first_slot: |
1123 | create_in_first_slot: |
1127 | cmp byte [esi+8],0 |
1124 | cmp byte [esi+8],0 |
1128 | jne create_in_second_slot |
1125 | jne create_in_second_slot |
1129 | mov [esi+8],cl |
1126 | mov [esi+8],cl |
1130 | mov al,[ebx] |
1127 | mov al,[ebx] |
1131 | mov [esi+10],al |
1128 | mov [esi+10],al |
1132 | ret |
1129 | ret |
1133 | create_in_second_slot: |
1130 | create_in_second_slot: |
1134 | cmp byte [esi+9],0 |
1131 | cmp byte [esi+9],0 |
1135 | jne invalid_expression |
1132 | jne invalid_expression |
1136 | mov [esi+9],cl |
1133 | mov [esi+9],cl |
1137 | mov al,[ebx] |
1134 | mov al,[ebx] |
1138 | mov [esi+11],al |
1135 | mov [esi+11],al |
1139 | add_register_done: |
1136 | add_register_done: |
1140 | ret |
1137 | ret |
1141 | calculate_sub: |
1138 | calculate_sub: |
1142 | xor ah,ah |
1139 | xor ah,ah |
1143 | mov ah,[ebx+12] |
1140 | mov ah,[ebx+12] |
1144 | mov al,[edi+12] |
1141 | mov al,[edi+12] |
1145 | or al,al |
1142 | or al,al |
1146 | jz sub_values |
1143 | jz sub_values |
1147 | cmp al,ah |
1144 | cmp al,ah |
1148 | jne invalid_sub |
1145 | jne invalid_sub |
1149 | xor ah,ah |
1146 | xor ah,ah |
1150 | mov ecx,[edi+16] |
1147 | mov ecx,[edi+16] |
1151 | cmp ecx,[ebx+16] |
1148 | cmp ecx,[ebx+16] |
1152 | jne invalid_sub |
1149 | jne invalid_sub |
1153 | sub_values: |
1150 | sub_values: |
1154 | mov [ebx+12],ah |
1151 | mov [ebx+12],ah |
1155 | mov eax,[edi] |
1152 | mov eax,[edi] |
1156 | sub [ebx],eax |
1153 | sub [ebx],eax |
1157 | mov eax,[edi+4] |
1154 | mov eax,[edi+4] |
1158 | sbb [ebx+4],eax |
1155 | sbb [ebx+4],eax |
1159 | or dx,dx |
1156 | or dx,dx |
1160 | jz calculation_loop |
1157 | jz calculation_loop |
1161 | push esi |
1158 | push esi |
1162 | mov esi,ebx |
1159 | mov esi,ebx |
1163 | lea ebx,[edi+10] |
1160 | lea ebx,[edi+10] |
1164 | mov cl,[edi+8] |
1161 | mov cl,[edi+8] |
1165 | call sub_register |
1162 | call sub_register |
1166 | lea ebx,[edi+11] |
1163 | lea ebx,[edi+11] |
1167 | mov cl,[edi+9] |
1164 | mov cl,[edi+9] |
1168 | call sub_register |
1165 | call sub_register |
1169 | pop esi |
1166 | pop esi |
1170 | jmp calculation_loop |
1167 | jmp calculation_loop |
1171 | invalid_sub: |
1168 | invalid_sub: |
1172 | cmp [error_line],0 |
1169 | cmp [error_line],0 |
1173 | jne sub_values |
1170 | jne sub_values |
1174 | mov eax,[current_line] |
1171 | mov eax,[current_line] |
1175 | mov [error_line],eax |
1172 | mov [error_line],eax |
1176 | mov [error],invalid_use_of_symbol |
1173 | mov [error],invalid_use_of_symbol |
1177 | jmp sub_values |
1174 | jmp sub_values |
1178 | sub_register: |
1175 | sub_register: |
1179 | or cl,cl |
1176 | or cl,cl |
1180 | jz add_register_done |
1177 | jz add_register_done |
1181 | neg byte [ebx] |
1178 | neg byte [ebx] |
1182 | jmp add_register_start |
1179 | jmp add_register_start |
1183 | calculate_mul: |
1180 | calculate_mul: |
1184 | or dx,dx |
1181 | or dx,dx |
1185 | jz mul_start |
1182 | jz mul_start |
1186 | cmp word [ebx+8],0 |
1183 | cmp word [ebx+8],0 |
1187 | jne mul_start |
1184 | jne mul_start |
1188 | mov eax,[ebx] |
1185 | mov eax,[ebx] |
1189 | xchg eax,[edi] |
1186 | xchg eax,[edi] |
1190 | mov [ebx],eax |
1187 | mov [ebx],eax |
1191 | mov eax,[ebx+4] |
1188 | mov eax,[ebx+4] |
1192 | xchg eax,[edi+4] |
1189 | xchg eax,[edi+4] |
1193 | mov [ebx+4],eax |
1190 | mov [ebx+4],eax |
1194 | mov eax,[ebx+8] |
1191 | mov eax,[ebx+8] |
1195 | xchg eax,[edi+8] |
1192 | xchg eax,[edi+8] |
1196 | mov [ebx+8],eax |
1193 | mov [ebx+8],eax |
1197 | mov eax,[ebx+12] |
1194 | mov eax,[ebx+12] |
1198 | xchg eax,[edi+12] |
1195 | xchg eax,[edi+12] |
1199 | mov [ebx+12],eax |
1196 | mov [ebx+12],eax |
1200 | mul_start: |
1197 | mul_start: |
1201 | push esi edx |
1198 | push esi edx |
1202 | mov esi,ebx |
1199 | mov esi,ebx |
1203 | xor bl,bl |
1200 | xor bl,bl |
1204 | bt dword [esi+4],31 |
1201 | bt dword [esi+4],31 |
1205 | jnc mul_first_sign_ok |
1202 | jnc mul_first_sign_ok |
1206 | not dword [esi] |
1203 | not dword [esi] |
1207 | not dword [esi+4] |
1204 | not dword [esi+4] |
1208 | add dword [esi],1 |
1205 | add dword [esi],1 |
1209 | adc dword [esi+4],0 |
1206 | adc dword [esi+4],0 |
1210 | not bl |
1207 | not bl |
1211 | mul_first_sign_ok: |
1208 | mul_first_sign_ok: |
1212 | bt dword [edi+4],31 |
1209 | bt dword [edi+4],31 |
1213 | jnc mul_second_sign_ok |
1210 | jnc mul_second_sign_ok |
1214 | not dword [edi] |
1211 | not dword [edi] |
1215 | not dword [edi+4] |
1212 | not dword [edi+4] |
1216 | add dword [edi],1 |
1213 | add dword [edi],1 |
1217 | adc dword [edi+4],0 |
1214 | adc dword [edi+4],0 |
1218 | not bl |
1215 | not bl |
1219 | mul_second_sign_ok: |
1216 | mul_second_sign_ok: |
1220 | cmp dword [esi+4],0 |
1217 | cmp dword [esi+4],0 |
1221 | jz mul_numbers |
1218 | jz mul_numbers |
1222 | cmp dword [edi+4],0 |
1219 | cmp dword [edi+4],0 |
1223 | jnz value_out_of_range |
1220 | jnz value_out_of_range |
1224 | mul_numbers: |
1221 | mul_numbers: |
1225 | mov eax,[esi+4] |
1222 | mov eax,[esi+4] |
1226 | mul dword [edi] |
1223 | mul dword [edi] |
1227 | or edx,edx |
1224 | or edx,edx |
1228 | jnz value_out_of_range |
1225 | jnz value_out_of_range |
1229 | mov ecx,eax |
1226 | mov ecx,eax |
1230 | mov eax,[esi] |
1227 | mov eax,[esi] |
1231 | mul dword [edi+4] |
1228 | mul dword [edi+4] |
1232 | or edx,edx |
1229 | or edx,edx |
1233 | jnz value_out_of_range |
1230 | jnz value_out_of_range |
1234 | add ecx,eax |
1231 | add ecx,eax |
1235 | jc value_out_of_range |
1232 | jc value_out_of_range |
1236 | mov eax,[esi] |
1233 | mov eax,[esi] |
1237 | mul dword [edi] |
1234 | mul dword [edi] |
1238 | add edx,ecx |
1235 | add edx,ecx |
1239 | jc value_out_of_range |
1236 | jc value_out_of_range |
1240 | test edx,1 shl 31 |
1237 | test edx,1 shl 31 |
1241 | jnz value_out_of_range |
1238 | jnz value_out_of_range |
1242 | mov [esi],eax |
1239 | mov [esi],eax |
1243 | mov [esi+4],edx |
1240 | mov [esi+4],edx |
1244 | or bl,bl |
1241 | or bl,bl |
1245 | jz mul_ok |
1242 | jz mul_ok |
1246 | not dword [esi] |
1243 | not dword [esi] |
1247 | not dword [esi+4] |
1244 | not dword [esi+4] |
1248 | add dword [esi],1 |
1245 | add dword [esi],1 |
1249 | adc dword [esi+4],0 |
1246 | adc dword [esi+4],0 |
1250 | mul_ok: |
1247 | mul_ok: |
1251 | pop edx |
1248 | pop edx |
1252 | or dx,dx |
1249 | or dx,dx |
1253 | jz mul_calculated |
1250 | jz mul_calculated |
1254 | cmp word [edi+8],0 |
1251 | cmp word [edi+8],0 |
1255 | jne invalid_value |
1252 | jne invalid_value |
1256 | cmp byte [esi+8],0 |
1253 | cmp byte [esi+8],0 |
1257 | je mul_first_register_ok |
1254 | je mul_first_register_ok |
1258 | mov al,[edi] |
1255 | mov al,[edi] |
1259 | cbw |
1256 | cbw |
1260 | cwde |
1257 | cwde |
1261 | cdq |
1258 | cdq |
1262 | cmp edx,[edi+4] |
1259 | cmp edx,[edi+4] |
1263 | jne value_out_of_range |
1260 | jne value_out_of_range |
1264 | cmp eax,[edi] |
1261 | cmp eax,[edi] |
1265 | jne value_out_of_range |
1262 | jne value_out_of_range |
1266 | imul byte [esi+10] |
1263 | imul byte [esi+10] |
1267 | mov dl,ah |
1264 | mov dl,ah |
1268 | cbw |
1265 | cbw |
1269 | cmp ah,dl |
1266 | cmp ah,dl |
1270 | jne value_out_of_range |
1267 | jne value_out_of_range |
1271 | mov [esi+10],al |
1268 | mov [esi+10],al |
1272 | mul_first_register_ok: |
1269 | or al,al |
- | 1270 | jnz mul_first_register_ok |
|
- | 1271 | mov [esi+8],al |
|
- | 1272 | mul_first_register_ok: |
|
1273 | cmp byte [esi+9],0 |
1273 | cmp byte [esi+9],0 |
1274 | je mul_calculated |
1274 | je mul_calculated |
1275 | mov al,[edi] |
1275 | mov al,[edi] |
1276 | cbw |
1276 | cbw |
1277 | cwde |
1277 | cwde |
1278 | cdq |
1278 | cdq |
1279 | cmp edx,[edi+4] |
1279 | cmp edx,[edi+4] |
1280 | jne value_out_of_range |
1280 | jne value_out_of_range |
1281 | cmp eax,[edi] |
1281 | cmp eax,[edi] |
1282 | jne value_out_of_range |
1282 | jne value_out_of_range |
1283 | imul byte [esi+11] |
1283 | imul byte [esi+11] |
1284 | mov dl,ah |
1284 | mov dl,ah |
1285 | cbw |
1285 | cbw |
1286 | cmp ah,dl |
1286 | cmp ah,dl |
1287 | jne value_out_of_range |
1287 | jne value_out_of_range |
1288 | mov [esi+11],al |
1288 | mov [esi+11],al |
1289 | mul_calculated: |
1289 | or al,al |
- | 1290 | jnz mul_calculated |
|
- | 1291 | mov [esi+9],al |
|
- | 1292 | mul_calculated: |
|
1290 | pop esi |
1293 | pop esi |
1291 | jmp calculation_loop |
1294 | jmp calculation_loop |
1292 | calculate_div: |
1295 | calculate_div: |
1293 | push esi edx |
1296 | push esi edx |
1294 | mov esi,ebx |
1297 | mov esi,ebx |
1295 | call div_64 |
1298 | call div_64 |
1296 | pop edx |
1299 | pop edx |
1297 | or dx,dx |
1300 | or dx,dx |
1298 | jz div_calculated |
1301 | jz div_calculated |
1299 | cmp byte [esi+8],0 |
1302 | cmp byte [esi+8],0 |
1300 | je div_first_register_ok |
1303 | je div_first_register_ok |
1301 | mov al,[edi] |
1304 | mov al,[edi] |
1302 | cbw |
1305 | cbw |
1303 | cwde |
1306 | cwde |
1304 | cdq |
1307 | cdq |
1305 | cmp edx,[edi+4] |
1308 | cmp edx,[edi+4] |
1306 | jne value_out_of_range |
1309 | jne value_out_of_range |
1307 | cmp eax,[edi] |
1310 | cmp eax,[edi] |
1308 | jne value_out_of_range |
1311 | jne value_out_of_range |
1309 | or al,al |
1312 | or al,al |
1310 | jz value_out_of_range |
1313 | jz value_out_of_range |
1311 | mov al,[esi+10] |
1314 | mov al,[esi+10] |
1312 | cbw |
1315 | cbw |
1313 | idiv byte [edi] |
1316 | idiv byte [edi] |
1314 | or ah,ah |
1317 | or ah,ah |
1315 | jnz invalid_use_of_symbol |
1318 | jnz invalid_use_of_symbol |
1316 | mov [esi+10],al |
1319 | mov [esi+10],al |
1317 | div_first_register_ok: |
1320 | div_first_register_ok: |
1318 | cmp byte [esi+9],0 |
1321 | cmp byte [esi+9],0 |
1319 | je div_calculated |
1322 | je div_calculated |
1320 | mov al,[edi] |
1323 | mov al,[edi] |
1321 | cbw |
1324 | cbw |
1322 | cwde |
1325 | cwde |
1323 | cdq |
1326 | cdq |
1324 | cmp edx,[edi+4] |
1327 | cmp edx,[edi+4] |
1325 | jne value_out_of_range |
1328 | jne value_out_of_range |
1326 | cmp eax,[edi] |
1329 | cmp eax,[edi] |
1327 | jne value_out_of_range |
1330 | jne value_out_of_range |
1328 | or al,al |
1331 | or al,al |
1329 | jz value_out_of_range |
1332 | jz value_out_of_range |
1330 | mov al,[esi+11] |
1333 | mov al,[esi+11] |
1331 | cbw |
1334 | cbw |
1332 | idiv byte [edi] |
1335 | idiv byte [edi] |
1333 | or ah,ah |
1336 | or ah,ah |
1334 | jnz invalid_use_of_symbol |
1337 | jnz invalid_use_of_symbol |
1335 | mov [esi+11],al |
1338 | mov [esi+11],al |
1336 | div_calculated: |
1339 | div_calculated: |
1337 | pop esi |
1340 | pop esi |
1338 | jmp calculation_loop |
1341 | jmp calculation_loop |
1339 | calculate_mod: |
1342 | calculate_mod: |
1340 | push esi |
1343 | push esi |
1341 | mov esi,ebx |
1344 | mov esi,ebx |
1342 | call div_64 |
1345 | call div_64 |
1343 | mov [esi],eax |
1346 | mov [esi],eax |
1344 | mov [esi+4],edx |
1347 | mov [esi+4],edx |
1345 | pop esi |
1348 | pop esi |
1346 | jmp calculation_loop |
1349 | jmp calculation_loop |
1347 | calculate_and: |
1350 | calculate_and: |
1348 | mov eax,[edi] |
1351 | mov eax,[edi] |
1349 | and [ebx],eax |
1352 | and [ebx],eax |
1350 | mov eax,[edi+4] |
1353 | mov eax,[edi+4] |
1351 | and [ebx+4],eax |
1354 | and [ebx+4],eax |
1352 | jmp calculation_loop |
1355 | jmp calculation_loop |
1353 | calculate_or: |
1356 | calculate_or: |
1354 | mov eax,[edi] |
1357 | mov eax,[edi] |
1355 | or [ebx],eax |
1358 | or [ebx],eax |
1356 | mov eax,[edi+4] |
1359 | mov eax,[edi+4] |
1357 | or [ebx+4],eax |
1360 | or [ebx+4],eax |
1358 | jmp calculation_loop |
1361 | jmp calculation_loop |
1359 | calculate_xor: |
1362 | calculate_xor: |
1360 | mov eax,[edi] |
1363 | mov eax,[edi] |
1361 | xor [ebx],eax |
1364 | xor [ebx],eax |
1362 | mov eax,[edi+4] |
1365 | mov eax,[edi+4] |
1363 | xor [ebx+4],eax |
1366 | xor [ebx+4],eax |
1364 | jmp calculation_loop |
1367 | jmp calculation_loop |
1365 | shr_negative: |
1368 | shr_negative: |
1366 | not dword [edi] |
1369 | not dword [edi] |
1367 | not dword [edi+4] |
1370 | not dword [edi+4] |
1368 | add dword [edi],1 |
1371 | add dword [edi],1 |
1369 | adc dword [edi+4],0 |
1372 | adc dword [edi+4],0 |
1370 | calculate_shl: |
1373 | calculate_shl: |
1371 | mov eax,dword [edi+4] |
1374 | mov eax,dword [edi+4] |
1372 | bt eax,31 |
1375 | bt eax,31 |
1373 | jc shl_negative |
1376 | jc shl_negative |
1374 | or eax,eax |
1377 | or eax,eax |
1375 | jnz zero_value |
1378 | jnz zero_value |
1376 | mov ecx,[edi] |
1379 | mov ecx,[edi] |
1377 | cmp ecx,64 |
1380 | cmp ecx,64 |
1378 | jae zero_value |
1381 | jae zero_value |
1379 | cmp ecx,32 |
1382 | cmp ecx,32 |
1380 | jae shl_high |
1383 | jae shl_high |
1381 | mov edx,[ebx+4] |
1384 | mov edx,[ebx+4] |
1382 | mov eax,[ebx] |
1385 | mov eax,[ebx] |
1383 | shld edx,eax,cl |
1386 | shld edx,eax,cl |
1384 | shl eax,cl |
1387 | shl eax,cl |
1385 | mov [ebx],eax |
1388 | mov [ebx],eax |
1386 | mov [ebx+4],edx |
1389 | mov [ebx+4],edx |
1387 | jmp calculation_loop |
1390 | jmp calculation_loop |
1388 | shl_high: |
1391 | shl_high: |
1389 | sub cl,32 |
1392 | sub cl,32 |
1390 | mov eax,[ebx] |
1393 | mov eax,[ebx] |
1391 | shl eax,cl |
1394 | shl eax,cl |
1392 | mov [ebx+4],eax |
1395 | mov [ebx+4],eax |
1393 | mov dword [ebx],0 |
1396 | mov dword [ebx],0 |
1394 | jmp calculation_loop |
1397 | jmp calculation_loop |
1395 | shl_negative: |
1398 | shl_negative: |
1396 | not dword [edi] |
1399 | not dword [edi] |
1397 | not dword [edi+4] |
1400 | not dword [edi+4] |
1398 | add dword [edi],1 |
1401 | add dword [edi],1 |
1399 | adc dword [edi+4],0 |
1402 | adc dword [edi+4],0 |
1400 | calculate_shr: |
1403 | calculate_shr: |
1401 | mov eax,dword [edi+4] |
1404 | mov eax,dword [edi+4] |
1402 | bt eax,31 |
1405 | bt eax,31 |
1403 | jc shr_negative |
1406 | jc shr_negative |
1404 | or eax,eax |
1407 | or eax,eax |
1405 | jnz zero_value |
1408 | jnz zero_value |
1406 | mov ecx,[edi] |
1409 | mov ecx,[edi] |
1407 | cmp ecx,64 |
1410 | cmp ecx,64 |
1408 | jae zero_value |
1411 | jae zero_value |
1409 | cmp ecx,32 |
1412 | cmp ecx,32 |
1410 | jae shr_high |
1413 | jae shr_high |
1411 | mov edx,[ebx+4] |
1414 | mov edx,[ebx+4] |
1412 | mov eax,[ebx] |
1415 | mov eax,[ebx] |
1413 | shrd eax,edx,cl |
1416 | shrd eax,edx,cl |
1414 | shr edx,cl |
1417 | shr edx,cl |
1415 | mov [ebx],eax |
1418 | mov [ebx],eax |
1416 | mov [ebx+4],edx |
1419 | mov [ebx+4],edx |
1417 | jmp calculation_loop |
1420 | jmp calculation_loop |
1418 | shr_high: |
1421 | shr_high: |
1419 | sub cl,32 |
1422 | sub cl,32 |
1420 | mov eax,[ebx+4] |
1423 | mov eax,[ebx+4] |
1421 | shr eax,cl |
1424 | shr eax,cl |
1422 | mov [ebx],eax |
1425 | mov [ebx],eax |
1423 | mov dword [ebx+4],0 |
1426 | mov dword [ebx+4],0 |
1424 | jmp calculation_loop |
1427 | jmp calculation_loop |
1425 | zero_value: |
1428 | zero_value: |
1426 | mov dword [ebx],0 |
1429 | mov dword [ebx],0 |
1427 | mov dword [ebx+4],0 |
1430 | mov dword [ebx+4],0 |
1428 | jmp calculation_loop |
1431 | jmp calculation_loop |
1429 | calculate_not: |
1432 | calculate_not: |
1430 | cmp word [edi+8],0 |
1433 | cmp word [edi+8],0 |
1431 | jne invalid_expression |
1434 | jne invalid_expression |
1432 | cmp byte [edi+12],0 |
1435 | cmp byte [edi+12],0 |
1433 | je not_ok |
1436 | je not_ok |
1434 | cmp [error_line],0 |
1437 | cmp [error_line],0 |
1435 | jne not_ok |
1438 | jne not_ok |
1436 | mov eax,[current_line] |
1439 | mov eax,[current_line] |
1437 | mov [error_line],eax |
1440 | mov [error_line],eax |
1438 | mov [error],invalid_use_of_symbol |
1441 | mov [error],invalid_use_of_symbol |
1439 | not_ok: |
1442 | not_ok: |
1440 | cmp [value_size],1 |
1443 | cmp [value_size],1 |
1441 | je not_byte |
1444 | je not_byte |
1442 | cmp [value_size],2 |
1445 | cmp [value_size],2 |
1443 | je not_word |
1446 | je not_word |
1444 | cmp [value_size],4 |
1447 | cmp [value_size],4 |
1445 | je not_dword |
1448 | je not_dword |
1446 | cmp [value_size],6 |
1449 | cmp [value_size],6 |
1447 | je not_pword |
1450 | je not_pword |
1448 | not_qword: |
1451 | not_qword: |
1449 | not dword [edi] |
1452 | not dword [edi] |
1450 | not dword [edi+4] |
1453 | not dword [edi+4] |
1451 | add edi,14h |
1454 | add edi,14h |
1452 | jmp calculation_loop |
1455 | jmp calculation_loop |
1453 | not_byte: |
1456 | not_byte: |
1454 | cmp dword [edi+4],0 |
1457 | cmp dword [edi+4],0 |
1455 | jne not_qword |
1458 | jne not_qword |
1456 | cmp word [edi+2],0 |
1459 | cmp word [edi+2],0 |
1457 | jne not_qword |
1460 | jne not_qword |
1458 | cmp byte [edi+1],0 |
1461 | cmp byte [edi+1],0 |
1459 | jne not_qword |
1462 | jne not_qword |
1460 | not byte [edi] |
1463 | not byte [edi] |
1461 | add edi,14h |
1464 | add edi,14h |
1462 | jmp calculation_loop |
1465 | jmp calculation_loop |
1463 | not_word: |
1466 | not_word: |
1464 | cmp dword [edi+4],0 |
1467 | cmp dword [edi+4],0 |
1465 | jne not_qword |
1468 | jne not_qword |
1466 | cmp word [edi+2],0 |
1469 | cmp word [edi+2],0 |
1467 | jne not_qword |
1470 | jne not_qword |
1468 | not word [edi] |
1471 | not word [edi] |
1469 | add edi,14h |
1472 | add edi,14h |
1470 | jmp calculation_loop |
1473 | jmp calculation_loop |
1471 | not_dword: |
1474 | not_dword: |
1472 | cmp dword [edi+4],0 |
1475 | cmp dword [edi+4],0 |
1473 | jne not_qword |
1476 | jne not_qword |
1474 | not dword [edi] |
1477 | not dword [edi] |
1475 | add edi,14h |
1478 | add edi,14h |
1476 | jmp calculation_loop |
1479 | jmp calculation_loop |
1477 | not_pword: |
1480 | not_pword: |
1478 | cmp word [edi+6],0 |
1481 | cmp word [edi+6],0 |
1479 | jne not_qword |
1482 | jne not_qword |
1480 | not dword [edi] |
1483 | not dword [edi] |
1481 | not word [edi+4] |
1484 | not word [edi+4] |
1482 | add edi,14h |
1485 | add edi,14h |
1483 | jmp calculation_loop |
1486 | jmp calculation_loop |
1484 | calculate_neg: |
1487 | calculate_neg: |
1485 | cmp word [edi+8],0 |
1488 | cmp word [edi+8],0 |
1486 | jne invalid_expression |
1489 | jne invalid_expression |
1487 | cmp byte [edi+12],0 |
1490 | cmp byte [edi+12],0 |
1488 | je neg_ok |
1491 | je neg_ok |
1489 | cmp [error_line],0 |
1492 | cmp [error_line],0 |
1490 | jne neg_ok |
1493 | jne neg_ok |
1491 | mov eax,[current_line] |
1494 | mov eax,[current_line] |
1492 | mov [error_line],eax |
1495 | mov [error_line],eax |
1493 | mov [error],invalid_use_of_symbol |
1496 | mov [error],invalid_use_of_symbol |
1494 | neg_ok: |
1497 | neg_ok: |
1495 | mov eax,[edi] |
1498 | mov eax,[edi] |
1496 | mov edx,[edi+4] |
1499 | mov edx,[edi+4] |
1497 | mov dword [edi],0 |
1500 | mov dword [edi],0 |
1498 | mov dword [edi+4],0 |
1501 | mov dword [edi+4],0 |
1499 | sub [edi],eax |
1502 | sub [edi],eax |
1500 | sbb [edi+4],edx |
1503 | sbb [edi+4],edx |
1501 | add edi,14h |
1504 | add edi,14h |
1502 | jmp calculation_loop |
1505 | jmp calculation_loop |
1503 | calculate_rva: |
1506 | calculate_rva: |
1504 | cmp word [edi+8],0 |
1507 | cmp word [edi+8],0 |
1505 | jne invalid_expression |
1508 | jne invalid_expression |
1506 | cmp [output_format],5 |
1509 | cmp [output_format],5 |
1507 | je calculate_gotoff |
1510 | je calculate_gotoff |
1508 | cmp [output_format],3 |
1511 | cmp [output_format],3 |
1509 | jne invalid_expression |
1512 | jne invalid_expression |
1510 | test [format_flags],8 |
1513 | test [format_flags],8 |
1511 | jnz pe64_rva |
1514 | jnz pe64_rva |
1512 | mov al,2 |
1515 | mov al,2 |
1513 | bt [resolver_flags],0 |
1516 | bt [resolver_flags],0 |
1514 | jc rva_type_ok |
1517 | jc rva_type_ok |
1515 | xor al,al |
1518 | xor al,al |
1516 | rva_type_ok: |
1519 | rva_type_ok: |
1517 | cmp byte [edi+12],al |
1520 | cmp byte [edi+12],al |
1518 | je rva_ok |
1521 | je rva_ok |
1519 | cmp [error_line],0 |
1522 | cmp [error_line],0 |
1520 | jne rva_ok |
1523 | jne rva_ok |
1521 | mov eax,[current_line] |
1524 | mov eax,[current_line] |
1522 | mov [error_line],eax |
1525 | mov [error_line],eax |
1523 | mov [error],invalid_use_of_symbol |
1526 | mov [error],invalid_use_of_symbol |
1524 | rva_ok: |
1527 | rva_ok: |
1525 | mov byte [edi+12],0 |
1528 | mov byte [edi+12],0 |
1526 | mov eax,[code_start] |
1529 | mov eax,[code_start] |
1527 | mov eax,[eax+34h] |
1530 | mov eax,[eax+34h] |
1528 | cdq |
1531 | cdq |
1529 | sub [edi],eax |
1532 | sub [edi],eax |
1530 | sbb [edi+4],edx |
1533 | sbb [edi+4],edx |
1531 | add edi,14h |
1534 | add edi,14h |
1532 | jmp calculation_loop |
1535 | jmp calculation_loop |
1533 | pe64_rva: |
1536 | pe64_rva: |
1534 | mov al,4 |
1537 | mov al,4 |
1535 | bt [resolver_flags],0 |
1538 | bt [resolver_flags],0 |
1536 | jc pe64_rva_type_ok |
1539 | jc pe64_rva_type_ok |
1537 | xor al,al |
1540 | xor al,al |
1538 | pe64_rva_type_ok: |
1541 | pe64_rva_type_ok: |
1539 | cmp byte [edi+12],al |
1542 | cmp byte [edi+12],al |
1540 | je pe64_rva_ok |
1543 | je pe64_rva_ok |
1541 | cmp [error_line],0 |
1544 | cmp [error_line],0 |
1542 | jne pe64_rva_ok |
1545 | jne pe64_rva_ok |
1543 | mov eax,[current_line] |
1546 | mov eax,[current_line] |
1544 | mov [error_line],eax |
1547 | mov [error_line],eax |
1545 | mov [error],invalid_use_of_symbol |
1548 | mov [error],invalid_use_of_symbol |
1546 | pe64_rva_ok: |
1549 | pe64_rva_ok: |
1547 | mov byte [edi+12],0 |
1550 | mov byte [edi+12],0 |
1548 | mov eax,[code_start] |
1551 | mov eax,[code_start] |
1549 | mov edx,[eax+34h] |
1552 | mov edx,[eax+34h] |
1550 | mov eax,[eax+30h] |
1553 | mov eax,[eax+30h] |
1551 | sub [edi],eax |
1554 | sub [edi],eax |
1552 | sbb [edi+4],edx |
1555 | sbb [edi+4],edx |
1553 | add edi,14h |
1556 | add edi,14h |
1554 | jmp calculation_loop |
1557 | jmp calculation_loop |
1555 | calculate_gotoff: |
1558 | calculate_gotoff: |
1556 | test [format_flags],8+1 |
1559 | test [format_flags],8+1 |
1557 | jnz invalid_expression |
1560 | jnz invalid_expression |
1558 | mov dl,5 |
1561 | mov dl,5 |
1559 | cmp byte [edi+12],2 |
1562 | cmp byte [edi+12],2 |
1560 | je change_value_type |
1563 | je change_value_type |
1561 | incorrect_change_of_value_type: |
1564 | incorrect_change_of_value_type: |
1562 | cmp [error_line],0 |
1565 | cmp [error_line],0 |
1563 | jne change_value_type |
1566 | jne change_value_type |
1564 | mov eax,[current_line] |
1567 | mov eax,[current_line] |
1565 | mov [error_line],eax |
1568 | mov [error_line],eax |
1566 | mov [error],invalid_use_of_symbol |
1569 | mov [error],invalid_use_of_symbol |
1567 | change_value_type: |
1570 | change_value_type: |
1568 | mov byte [edi+12],dl |
1571 | mov byte [edi+12],dl |
1569 | add edi,14h |
1572 | add edi,14h |
1570 | jmp calculation_loop |
1573 | jmp calculation_loop |
1571 | calculate_plt: |
1574 | calculate_plt: |
1572 | cmp word [edi+8],0 |
1575 | cmp word [edi+8],0 |
1573 | jne invalid_expression |
1576 | jne invalid_expression |
1574 | cmp [output_format],5 |
1577 | cmp [output_format],5 |
1575 | jne invalid_expression |
1578 | jne invalid_expression |
1576 | test [format_flags],1 |
1579 | test [format_flags],1 |
1577 | jnz invalid_expression |
1580 | jnz invalid_expression |
1578 | mov dl,6 |
1581 | mov dl,6 |
1579 | mov dh,2 |
1582 | mov dh,2 |
1580 | test [format_flags],8 |
1583 | test [format_flags],8 |
1581 | jz check_value_for_plt |
1584 | jz check_value_for_plt |
1582 | mov dh,4 |
1585 | mov dh,4 |
1583 | check_value_for_plt: |
1586 | check_value_for_plt: |
1584 | mov eax,[edi] |
1587 | mov eax,[edi] |
1585 | or eax,[edi+4] |
1588 | or eax,[edi+4] |
1586 | jnz incorrect_change_of_value_type |
1589 | jnz incorrect_change_of_value_type |
1587 | cmp byte [edi+12],dh |
1590 | cmp byte [edi+12],dh |
1588 | jne incorrect_change_of_value_type |
1591 | jne incorrect_change_of_value_type |
1589 | mov eax,[edi+16] |
1592 | mov eax,[edi+16] |
1590 | cmp byte [eax],81h |
1593 | cmp byte [eax],81h |
1591 | jne incorrect_change_of_value_type |
1594 | jne incorrect_change_of_value_type |
1592 | jmp change_value_type |
1595 | jmp change_value_type |
1593 | div_64: |
1596 | div_64: |
1594 | xor ebx,ebx |
1597 | xor ebx,ebx |
1595 | cmp dword [edi],0 |
1598 | cmp dword [edi],0 |
1596 | jne divider_ok |
1599 | jne divider_ok |
1597 | cmp dword [edi+4],0 |
1600 | cmp dword [edi+4],0 |
1598 | jne divider_ok |
1601 | jne divider_ok |
1599 | cmp [next_pass_needed],0 |
1602 | cmp [next_pass_needed],0 |
1600 | je value_out_of_range |
1603 | je value_out_of_range |
1601 | jmp div_done |
1604 | jmp div_done |
1602 | divider_ok: |
1605 | divider_ok: |
1603 | bt dword [esi+4],31 |
1606 | bt dword [esi+4],31 |
1604 | jnc div_first_sign_ok |
1607 | jnc div_first_sign_ok |
1605 | not dword [esi] |
1608 | not dword [esi] |
1606 | not dword [esi+4] |
1609 | not dword [esi+4] |
1607 | add dword [esi],1 |
1610 | add dword [esi],1 |
1608 | adc dword [esi+4],0 |
1611 | adc dword [esi+4],0 |
1609 | not bx |
1612 | not bx |
1610 | div_first_sign_ok: |
1613 | div_first_sign_ok: |
1611 | bt dword [edi+4],31 |
1614 | bt dword [edi+4],31 |
1612 | jnc div_second_sign_ok |
1615 | jnc div_second_sign_ok |
1613 | not dword [edi] |
1616 | not dword [edi] |
1614 | not dword [edi+4] |
1617 | not dword [edi+4] |
1615 | add dword [edi],1 |
1618 | add dword [edi],1 |
1616 | adc dword [edi+4],0 |
1619 | adc dword [edi+4],0 |
1617 | not bl |
1620 | not bl |
1618 | div_second_sign_ok: |
1621 | div_second_sign_ok: |
1619 | cmp dword [edi+4],0 |
1622 | cmp dword [edi+4],0 |
1620 | jne div_high |
1623 | jne div_high |
1621 | mov ecx,[edi] |
1624 | mov ecx,[edi] |
1622 | mov eax,[esi+4] |
1625 | mov eax,[esi+4] |
1623 | xor edx,edx |
1626 | xor edx,edx |
1624 | div ecx |
1627 | div ecx |
1625 | mov [esi+4],eax |
1628 | mov [esi+4],eax |
1626 | mov eax,[esi] |
1629 | mov eax,[esi] |
1627 | div ecx |
1630 | div ecx |
1628 | mov [esi],eax |
1631 | mov [esi],eax |
1629 | mov eax,edx |
1632 | mov eax,edx |
1630 | xor edx,edx |
1633 | xor edx,edx |
1631 | jmp div_done |
1634 | jmp div_done |
1632 | div_high: |
1635 | div_high: |
1633 | mov eax,[esi+4] |
1636 | mov eax,[esi+4] |
1634 | xor edx,edx |
1637 | xor edx,edx |
1635 | div dword [edi+4] |
1638 | div dword [edi+4] |
1636 | mov ebx,[esi] |
1639 | mov ebx,[esi] |
1637 | mov [esi],eax |
1640 | mov [esi],eax |
1638 | mov dword [esi+4],0 |
1641 | mov dword [esi+4],0 |
1639 | mov ecx,edx |
1642 | mov ecx,edx |
1640 | mul dword [edi] |
1643 | mul dword [edi] |
1641 | div_high_loop: |
1644 | div_high_loop: |
1642 | cmp ecx,edx |
1645 | cmp ecx,edx |
1643 | ja div_high_done |
1646 | ja div_high_done |
1644 | jb div_high_large_correction |
1647 | jb div_high_large_correction |
1645 | cmp ebx,eax |
1648 | cmp ebx,eax |
1646 | jae div_high_done |
1649 | jae div_high_done |
1647 | div_high_correction: |
1650 | div_high_correction: |
1648 | dec dword [esi] |
1651 | dec dword [esi] |
1649 | sub eax,[edi] |
1652 | sub eax,[edi] |
1650 | sbb edx,[edi+4] |
1653 | sbb edx,[edi+4] |
1651 | jnc div_high_loop |
1654 | jnc div_high_loop |
1652 | div_high_done: |
1655 | div_high_done: |
1653 | sub ebx,eax |
1656 | sub ebx,eax |
1654 | sbb ecx,edx |
1657 | sbb ecx,edx |
1655 | mov edx,ecx |
1658 | mov edx,ecx |
1656 | mov eax,ebx |
1659 | mov eax,ebx |
1657 | ret |
1660 | ret |
1658 | div_high_large_correction: |
1661 | div_high_large_correction: |
1659 | push eax edx |
1662 | push eax edx |
1660 | mov eax,edx |
1663 | mov eax,edx |
1661 | sub eax,ecx |
1664 | sub eax,ecx |
1662 | xor edx,edx |
1665 | xor edx,edx |
1663 | div dword [edi+4] |
1666 | div dword [edi+4] |
1664 | shr eax,1 |
1667 | shr eax,1 |
1665 | jz div_high_small_correction |
1668 | jz div_high_small_correction |
1666 | sub [esi],eax |
1669 | sub [esi],eax |
1667 | push eax |
1670 | push eax |
1668 | mul dword [edi+4] |
1671 | mul dword [edi+4] |
1669 | sub dword [esp+4],eax |
1672 | sub dword [esp+4],eax |
1670 | pop eax |
1673 | pop eax |
1671 | mul dword [edi] |
1674 | mul dword [edi] |
1672 | sub dword [esp+4],eax |
1675 | sub dword [esp+4],eax |
1673 | sbb dword [esp],edx |
1676 | sbb dword [esp],edx |
1674 | pop edx eax |
1677 | pop edx eax |
1675 | jmp div_high_loop |
1678 | jmp div_high_loop |
1676 | div_high_small_correction: |
1679 | div_high_small_correction: |
1677 | pop edx eax |
1680 | pop edx eax |
1678 | jmp div_high_correction |
1681 | jmp div_high_correction |
1679 | div_done: |
1682 | div_done: |
1680 | or bh,bh |
1683 | or bh,bh |
1681 | jz remainder_ok |
1684 | jz remainder_ok |
1682 | not eax |
1685 | not eax |
1683 | not edx |
1686 | not edx |
1684 | add eax,1 |
1687 | add eax,1 |
1685 | adc edx,0 |
1688 | adc edx,0 |
1686 | remainder_ok: |
1689 | remainder_ok: |
1687 | or bl,bl |
1690 | or bl,bl |
1688 | jz div_ok |
1691 | jz div_ok |
1689 | not dword [esi] |
1692 | not dword [esi] |
1690 | not dword [esi+4] |
1693 | not dword [esi+4] |
1691 | add dword [esi],1 |
1694 | add dword [esi],1 |
1692 | adc dword [esi+4],0 |
1695 | adc dword [esi+4],0 |
1693 | div_ok: |
1696 | div_ok: |
1694 | ret |
1697 | ret |
1695 | convert_fp: |
1698 | convert_fp: |
1696 | inc esi |
1699 | inc esi |
1697 | mov word [edi+8],0 |
1700 | mov word [edi+8],0 |
1698 | mov byte [edi+12],0 |
1701 | mov byte [edi+12],0 |
1699 | mov al,[value_size] |
1702 | mov al,[value_size] |
1700 | cmp al,4 |
1703 | cmp al,4 |
1701 | je convert_fp_dword |
1704 | je convert_fp_dword |
1702 | cmp al,8 |
1705 | cmp al,8 |
1703 | je convert_fp_qword |
1706 | je convert_fp_qword |
1704 | jmp invalid_value |
1707 | jmp invalid_value |
1705 | convert_fp_dword: |
1708 | convert_fp_dword: |
1706 | xor eax,eax |
1709 | xor eax,eax |
1707 | cmp word [esi+8],8000h |
1710 | cmp word [esi+8],8000h |
1708 | je fp_dword_store |
1711 | je fp_dword_store |
1709 | mov bx,[esi+8] |
1712 | mov bx,[esi+8] |
1710 | mov eax,[esi+4] |
1713 | mov eax,[esi+4] |
1711 | shl eax,1 |
1714 | shl eax,1 |
1712 | shr eax,9 |
1715 | shr eax,9 |
1713 | jnc fp_dword_ok |
1716 | jnc fp_dword_ok |
1714 | inc eax |
1717 | inc eax |
1715 | bt eax,23 |
1718 | bt eax,23 |
1716 | jnc fp_dword_ok |
1719 | jnc fp_dword_ok |
1717 | and eax,1 shl 23 - 1 |
1720 | and eax,1 shl 23 - 1 |
1718 | inc bx |
1721 | inc bx |
1719 | shr eax,1 |
1722 | shr eax,1 |
1720 | fp_dword_ok: |
1723 | fp_dword_ok: |
1721 | add bx,7Fh |
1724 | add bx,7Fh |
1722 | cmp bx,100h |
1725 | cmp bx,100h |
1723 | jae value_out_of_range |
1726 | jae value_out_of_range |
1724 | shl ebx,23 |
1727 | shl ebx,23 |
1725 | or eax,ebx |
1728 | or eax,ebx |
1726 | fp_dword_store: |
1729 | fp_dword_store: |
1727 | mov bl,[esi+11] |
1730 | mov bl,[esi+11] |
1728 | shl ebx,31 |
1731 | shl ebx,31 |
1729 | or eax,ebx |
1732 | or eax,ebx |
1730 | mov [edi],eax |
1733 | mov [edi],eax |
1731 | xor eax,eax |
1734 | xor eax,eax |
1732 | mov [edi+4],eax |
1735 | mov [edi+4],eax |
1733 | add esi,13 |
1736 | add esi,13 |
1734 | ret |
1737 | ret |
1735 | convert_fp_qword: |
1738 | convert_fp_qword: |
1736 | xor eax,eax |
1739 | xor eax,eax |
1737 | xor edx,edx |
1740 | xor edx,edx |
1738 | cmp word [esi+8],8000h |
1741 | cmp word [esi+8],8000h |
1739 | je fp_qword_store |
1742 | je fp_qword_store |
1740 | mov bx,[esi+8] |
1743 | mov bx,[esi+8] |
1741 | mov eax,[esi] |
1744 | mov eax,[esi] |
1742 | mov edx,[esi+4] |
1745 | mov edx,[esi+4] |
1743 | add eax,eax |
1746 | add eax,eax |
1744 | adc edx,edx |
1747 | adc edx,edx |
1745 | mov ecx,edx |
1748 | mov ecx,edx |
1746 | shr edx,12 |
1749 | shr edx,12 |
1747 | shrd eax,ecx,12 |
1750 | shrd eax,ecx,12 |
1748 | jnc fp_qword_ok |
1751 | jnc fp_qword_ok |
1749 | add eax,1 |
1752 | add eax,1 |
1750 | adc edx,0 |
1753 | adc edx,0 |
1751 | bt edx,20 |
1754 | bt edx,20 |
1752 | jnc fp_qword_ok |
1755 | jnc fp_qword_ok |
1753 | and edx,1 shl 20 - 1 |
1756 | and edx,1 shl 20 - 1 |
1754 | inc bx |
1757 | inc bx |
1755 | shr edx,1 |
1758 | shr edx,1 |
1756 | rcr eax,1 |
1759 | rcr eax,1 |
1757 | fp_qword_ok: |
1760 | fp_qword_ok: |
1758 | add bx,3FFh |
1761 | add bx,3FFh |
1759 | cmp bx,800h |
1762 | cmp bx,800h |
1760 | jae value_out_of_range |
1763 | jae value_out_of_range |
1761 | shl ebx,20 |
1764 | shl ebx,20 |
1762 | or edx,ebx |
1765 | or edx,ebx |
1763 | fp_qword_store: |
1766 | fp_qword_store: |
1764 | mov bl,[esi+11] |
1767 | mov bl,[esi+11] |
1765 | shl ebx,31 |
1768 | shl ebx,31 |
1766 | or edx,ebx |
1769 | or edx,ebx |
1767 | mov [edi],eax |
1770 | mov [edi],eax |
1768 | mov [edi+4],edx |
1771 | mov [edi+4],edx |
1769 | add esi,13 |
1772 | add esi,13 |
1770 | ret |
1773 | ret |
1771 | get_string_value: |
1774 | get_string_value: |
1772 | inc esi |
1775 | inc esi |
1773 | lods dword [esi] |
1776 | lods dword [esi] |
1774 | mov ecx,eax |
1777 | mov ecx,eax |
1775 | cmp ecx,8 |
1778 | cmp ecx,8 |
1776 | ja value_out_of_range |
1779 | ja value_out_of_range |
1777 | mov edx,edi |
1780 | mov edx,edi |
1778 | xor eax,eax |
1781 | xor eax,eax |
1779 | stos dword [edi] |
1782 | stos dword [edi] |
1780 | stos dword [edi] |
1783 | stos dword [edi] |
1781 | mov edi,edx |
1784 | mov edi,edx |
1782 | rep movs byte [edi],[esi] |
1785 | rep movs byte [edi],[esi] |
1783 | mov edi,edx |
1786 | mov edi,edx |
1784 | inc esi |
1787 | inc esi |
1785 | mov word [edi+8],0 |
1788 | mov word [edi+8],0 |
1786 | mov byte [edi+12],0 |
1789 | mov byte [edi+12],0 |
1787 | ret |
1790 | ret |
1788 | 1791 | ||
1789 | get_byte_value: |
1792 | get_byte_value: |
1790 | mov [value_size],1 |
1793 | mov [value_size],1 |
1791 | mov [size_override],-1 |
1794 | mov [size_override],-1 |
1792 | call calculate_expression |
1795 | call calculate_expression |
1793 | mov eax,[edi+16] |
1796 | mov eax,[edi+16] |
1794 | mov [symbol_identifier],eax |
1797 | mov [symbol_identifier],eax |
1795 | mov [value_type],0 |
1798 | mov [value_type],0 |
1796 | cmp word [edi+8],0 |
1799 | cmp word [edi+8],0 |
1797 | jne invalid_value |
1800 | jne invalid_value |
1798 | cmp byte [edi+12],0 |
1801 | cmp byte [edi+12],0 |
1799 | je check_byte_value |
1802 | je check_byte_value |
1800 | cmp [error_line],0 |
1803 | cmp [error_line],0 |
1801 | jne check_byte_value |
1804 | jne check_byte_value |
1802 | mov eax,[current_line] |
1805 | mov eax,[current_line] |
1803 | mov [error_line],eax |
1806 | mov [error_line],eax |
1804 | mov [error],invalid_use_of_symbol |
1807 | mov [error],invalid_use_of_symbol |
1805 | check_byte_value: |
1808 | check_byte_value: |
1806 | mov eax,[edi] |
1809 | mov eax,[edi] |
1807 | mov edx,[edi+4] |
1810 | mov edx,[edi+4] |
1808 | or edx,edx |
1811 | or edx,edx |
1809 | jz byte_positive |
1812 | jz byte_positive |
1810 | cmp edx,-1 |
1813 | cmp edx,-1 |
1811 | jne range_exceeded |
1814 | jne range_exceeded |
1812 | cmp eax,-80h |
1815 | cmp eax,-80h |
1813 | jb range_exceeded |
1816 | jb range_exceeded |
1814 | ret |
1817 | ret |
1815 | byte_positive: |
1818 | byte_positive: |
1816 | cmp eax,100h |
1819 | cmp eax,100h |
1817 | jae range_exceeded |
1820 | jae range_exceeded |
1818 | return_byte_value: |
1821 | return_byte_value: |
1819 | ret |
1822 | ret |
1820 | range_exceeded: |
1823 | range_exceeded: |
1821 | xor eax,eax |
1824 | xor eax,eax |
1822 | xor edx,edx |
1825 | xor edx,edx |
1823 | cmp [error_line],0 |
1826 | cmp [error_line],0 |
1824 | jne return_byte_value |
1827 | jne return_byte_value |
1825 | mov ecx,[current_line] |
1828 | mov ecx,[current_line] |
1826 | mov [error_line],ecx |
1829 | mov [error_line],ecx |
1827 | mov [error],value_out_of_range |
1830 | mov [error],value_out_of_range |
1828 | ret |
1831 | ret |
1829 | get_word_value: |
1832 | get_word_value: |
1830 | mov [value_size],2 |
1833 | mov [value_size],2 |
1831 | mov [size_override],-1 |
1834 | mov [size_override],-1 |
1832 | call calculate_expression |
1835 | call calculate_expression |
1833 | cmp word [edi+8],0 |
1836 | cmp word [edi+8],0 |
1834 | jne invalid_value |
1837 | jne invalid_value |
1835 | mov eax,[edi+16] |
1838 | mov eax,[edi+16] |
1836 | mov [symbol_identifier],eax |
1839 | mov [symbol_identifier],eax |
1837 | mov al,[edi+12] |
1840 | mov al,[edi+12] |
1838 | mov [value_type],al |
1841 | mov [value_type],al |
1839 | cmp al,2 |
1842 | cmp al,2 |
1840 | jb check_word_value |
1843 | jb check_word_value |
1841 | cmp [error_line],0 |
1844 | cmp [error_line],0 |
1842 | jne check_word_value |
1845 | jne check_word_value |
1843 | mov eax,[current_line] |
1846 | mov eax,[current_line] |
1844 | mov [error_line],eax |
1847 | mov [error_line],eax |
1845 | mov [error],invalid_use_of_symbol |
1848 | mov [error],invalid_use_of_symbol |
1846 | check_word_value: |
1849 | check_word_value: |
1847 | mov eax,[edi] |
1850 | mov eax,[edi] |
1848 | mov edx,[edi+4] |
1851 | mov edx,[edi+4] |
1849 | or edx,edx |
1852 | or edx,edx |
1850 | jz word_positive |
1853 | jz word_positive |
1851 | cmp edx,-1 |
1854 | cmp edx,-1 |
1852 | jne range_exceeded |
1855 | jne range_exceeded |
1853 | cmp eax,-8000h |
1856 | cmp eax,-8000h |
1854 | jb range_exceeded |
1857 | jb range_exceeded |
1855 | ret |
1858 | ret |
1856 | word_positive: |
1859 | word_positive: |
1857 | cmp eax,10000h |
1860 | cmp eax,10000h |
1858 | jae range_exceeded |
1861 | jae range_exceeded |
1859 | ret |
1862 | ret |
1860 | get_dword_value: |
1863 | get_dword_value: |
1861 | mov [value_size],4 |
1864 | mov [value_size],4 |
1862 | mov [size_override],-1 |
1865 | mov [size_override],-1 |
1863 | call calculate_expression |
1866 | call calculate_expression |
1864 | cmp word [edi+8],0 |
1867 | cmp word [edi+8],0 |
1865 | jne invalid_value |
1868 | jne invalid_value |
1866 | mov eax,[edi+16] |
1869 | mov eax,[edi+16] |
1867 | mov [symbol_identifier],eax |
1870 | mov [symbol_identifier],eax |
1868 | mov al,[edi+12] |
1871 | mov al,[edi+12] |
1869 | mov [value_type],al |
1872 | mov [value_type],al |
1870 | cmp al,4 |
1873 | cmp al,4 |
1871 | jne check_dword_value |
1874 | jne check_dword_value |
1872 | mov [value_type],2 |
1875 | mov [value_type],2 |
1873 | mov eax,[edi] |
1876 | mov eax,[edi] |
1874 | cdq |
1877 | cdq |
1875 | cmp edx,[edi+4] |
1878 | cmp edx,[edi+4] |
1876 | jne range_exceeded |
1879 | jne range_exceeded |
1877 | ret |
1880 | ret |
1878 | check_dword_value: |
1881 | check_dword_value: |
1879 | mov eax,[edi] |
1882 | mov eax,[edi] |
1880 | mov edx,[edi+4] |
1883 | mov edx,[edi+4] |
1881 | or edx,edx |
1884 | or edx,edx |
1882 | jz dword_positive |
1885 | jz dword_positive |
1883 | cmp edx,-1 |
1886 | cmp edx,-1 |
1884 | jne range_exceeded |
1887 | jne range_exceeded |
1885 | bt eax,31 |
1888 | bt eax,31 |
1886 | jnc range_exceeded |
1889 | jnc range_exceeded |
1887 | dword_positive: |
1890 | dword_positive: |
1888 | ret |
1891 | ret |
1889 | get_pword_value: |
1892 | get_pword_value: |
1890 | mov [value_size],6 |
1893 | mov [value_size],6 |
1891 | mov [size_override],-1 |
1894 | mov [size_override],-1 |
1892 | call calculate_expression |
1895 | call calculate_expression |
1893 | mov eax,[edi+16] |
1896 | mov eax,[edi+16] |
1894 | mov [symbol_identifier],eax |
1897 | mov [symbol_identifier],eax |
1895 | cmp word [edi+8],0 |
1898 | cmp word [edi+8],0 |
1896 | jne invalid_value |
1899 | jne invalid_value |
1897 | mov al,[edi+12] |
1900 | mov al,[edi+12] |
1898 | mov [value_type],al |
1901 | mov [value_type],al |
1899 | cmp al,4 |
1902 | cmp al,4 |
1900 | jne check_pword_value |
1903 | jne check_pword_value |
1901 | cmp [error_line],0 |
1904 | cmp [error_line],0 |
1902 | jne check_pword_value |
1905 | jne check_pword_value |
1903 | mov eax,[current_line] |
1906 | mov eax,[current_line] |
1904 | mov [error_line],eax |
1907 | mov [error_line],eax |
1905 | mov [error],invalid_use_of_symbol |
1908 | mov [error],invalid_use_of_symbol |
1906 | check_pword_value: |
1909 | check_pword_value: |
1907 | mov eax,[edi] |
1910 | mov eax,[edi] |
1908 | mov edx,[edi+4] |
1911 | mov edx,[edi+4] |
1909 | cmp edx,10000h |
1912 | cmp edx,10000h |
1910 | jge range_exceeded |
1913 | jge range_exceeded |
1911 | cmp edx,-8000h |
1914 | cmp edx,-8000h |
1912 | jl range_exceeded |
1915 | jl range_exceeded |
1913 | ret |
1916 | ret |
1914 | get_qword_value: |
1917 | get_qword_value: |
1915 | mov [value_size],8 |
1918 | mov [value_size],8 |
1916 | mov [size_override],-1 |
1919 | mov [size_override],-1 |
1917 | call calculate_expression |
1920 | call calculate_expression |
1918 | cmp word [edi+8],0 |
1921 | cmp word [edi+8],0 |
1919 | jne invalid_value |
1922 | jne invalid_value |
1920 | mov eax,[edi+16] |
1923 | mov eax,[edi+16] |
1921 | mov [symbol_identifier],eax |
1924 | mov [symbol_identifier],eax |
1922 | mov al,[edi+12] |
1925 | mov al,[edi+12] |
1923 | mov [value_type],al |
1926 | mov [value_type],al |
1924 | check_qword_value: |
1927 | check_qword_value: |
1925 | mov eax,[edi] |
1928 | mov eax,[edi] |
1926 | mov edx,[edi+4] |
1929 | mov edx,[edi+4] |
1927 | ret |
1930 | ret |
1928 | get_value: |
1931 | get_value: |
1929 | mov [operand_size],0 |
1932 | mov [operand_size],0 |
1930 | lods byte [esi] |
1933 | lods byte [esi] |
1931 | call get_size_operator |
1934 | call get_size_operator |
1932 | cmp al,'(' |
1935 | cmp al,'(' |
1933 | jne invalid_value |
1936 | jne invalid_value |
1934 | mov al,[operand_size] |
1937 | mov al,[operand_size] |
1935 | cmp al,1 |
1938 | cmp al,1 |
1936 | je value_byte |
1939 | je value_byte |
1937 | cmp al,2 |
1940 | cmp al,2 |
1938 | je value_word |
1941 | je value_word |
1939 | cmp al,4 |
1942 | cmp al,4 |
1940 | je value_dword |
1943 | je value_dword |
1941 | cmp al,6 |
1944 | cmp al,6 |
1942 | je value_pword |
1945 | je value_pword |
1943 | cmp al,8 |
1946 | cmp al,8 |
1944 | je value_qword |
1947 | je value_qword |
1945 | or al,al |
1948 | or al,al |
1946 | jnz invalid_value |
1949 | jnz invalid_value |
1947 | value_qword: |
1950 | value_qword: |
1948 | call get_qword_value |
1951 | call get_qword_value |
1949 | ret |
1952 | ret |
1950 | value_pword: |
1953 | value_pword: |
1951 | call get_pword_value |
1954 | call get_pword_value |
1952 | movzx edx,dx |
1955 | movzx edx,dx |
1953 | ret |
1956 | ret |
1954 | value_dword: |
1957 | value_dword: |
1955 | call get_dword_value |
1958 | call get_dword_value |
1956 | xor edx,edx |
1959 | xor edx,edx |
1957 | ret |
1960 | ret |
1958 | value_word: |
1961 | value_word: |
1959 | call get_word_value |
1962 | call get_word_value |
1960 | xor edx,edx |
1963 | xor edx,edx |
1961 | movzx eax,ax |
1964 | movzx eax,ax |
1962 | ret |
1965 | ret |
1963 | value_byte: |
1966 | value_byte: |
1964 | call get_byte_value |
1967 | call get_byte_value |
1965 | xor edx,edx |
1968 | xor edx,edx |
1966 | movzx eax,al |
1969 | movzx eax,al |
1967 | ret |
1970 | ret |
1968 | get_address_word_value: |
1971 | get_address_word_value: |
1969 | mov [address_size],2 |
1972 | mov [address_size],2 |
1970 | mov [value_size],2 |
1973 | mov [value_size],2 |
1971 | jmp calculate_address |
1974 | jmp calculate_address |
1972 | get_address_dword_value: |
1975 | get_address_dword_value: |
1973 | mov [address_size],4 |
1976 | mov [address_size],4 |
1974 | mov [value_size],4 |
1977 | mov [value_size],4 |
1975 | jmp calculate_address |
1978 | jmp calculate_address |
1976 | get_address_qword_value: |
1979 | get_address_qword_value: |
1977 | mov [address_size],8 |
1980 | mov [address_size],8 |
1978 | mov [value_size],8 |
1981 | mov [value_size],8 |
1979 | jmp calculate_address |
1982 | jmp calculate_address |
1980 | get_address_value: |
1983 | get_address_value: |
1981 | mov [address_size],0 |
1984 | mov [address_size],0 |
1982 | mov [value_size],8 |
1985 | mov [value_size],8 |
1983 | calculate_address: |
1986 | calculate_address: |
1984 | cmp byte [esi],'.' |
1987 | cmp byte [esi],'.' |
1985 | je invalid_address |
1988 | je invalid_address |
1986 | call calculate_expression |
1989 | call calculate_expression |
1987 | mov eax,[edi+16] |
1990 | mov eax,[edi+16] |
1988 | mov [address_symbol],eax |
1991 | mov [address_symbol],eax |
1989 | mov al,[edi+12] |
1992 | mov al,[edi+12] |
1990 | mov [value_type],al |
1993 | mov [value_type],al |
1991 | cmp al,5 |
1994 | cmp al,5 |
1992 | je gotoff_address |
1995 | je gotoff_address |
1993 | ja invalid_use_of_symbol |
1996 | ja invalid_use_of_symbol |
1994 | test al,1 |
1997 | test al,1 |
1995 | jnz invalid_use_of_symbol |
1998 | jnz invalid_use_of_symbol |
1996 | or al,al |
1999 | or al,al |
1997 | jz address_size_ok |
2000 | jz address_size_ok |
1998 | shl al,5 |
2001 | shl al,5 |
1999 | jmp address_symbol_ok |
2002 | jmp address_symbol_ok |
2000 | gotoff_address: |
2003 | gotoff_address: |
2001 | mov al,40h |
2004 | mov al,40h |
2002 | address_symbol_ok: |
2005 | address_symbol_ok: |
2003 | mov ah,[address_size] |
2006 | mov ah,[address_size] |
2004 | or [address_size],al |
2007 | or [address_size],al |
2005 | shr al,4 |
2008 | shr al,4 |
2006 | or ah,ah |
2009 | or ah,ah |
2007 | jz address_size_ok |
2010 | jz address_size_ok |
2008 | cmp al,ah |
2011 | cmp al,ah |
2009 | je address_size_ok |
2012 | je address_size_ok |
2010 | cmp ax,0408h |
2013 | cmp ax,0408h |
2011 | jne address_sizes_do_not_agree |
2014 | jne address_sizes_do_not_agree |
2012 | mov [value_type],2 |
2015 | mov [value_type],2 |
2013 | mov eax,[edi] |
2016 | mov eax,[edi] |
2014 | cdq |
2017 | cdq |
2015 | cmp edx,[edi+4] |
2018 | cmp edx,[edi+4] |
2016 | je address_size_ok |
2019 | je address_size_ok |
2017 | cmp [error_line],0 |
2020 | cmp [error_line],0 |
2018 | jne address_size_ok |
2021 | jne address_size_ok |
2019 | mov ecx,[current_line] |
2022 | mov ecx,[current_line] |
2020 | mov [error_line],ecx |
2023 | mov [error_line],ecx |
2021 | mov [error],value_out_of_range |
2024 | mov [error],value_out_of_range |
2022 | address_size_ok: |
2025 | address_size_ok: |
2023 | xor ebx,ebx |
2026 | xor ebx,ebx |
2024 | xor ecx,ecx |
2027 | xor ecx,ecx |
2025 | mov cl,[value_type] |
2028 | mov cl,[value_type] |
2026 | shl ecx,16 |
2029 | shl ecx,16 |
2027 | mov ch,[address_size] |
2030 | mov ch,[address_size] |
2028 | cmp word [edi+8],0 |
2031 | cmp word [edi+8],0 |
2029 | je check_immediate_address |
2032 | je check_immediate_address |
2030 | mov al,[edi+8] |
2033 | mov al,[edi+8] |
2031 | mov dl,[edi+10] |
2034 | mov dl,[edi+10] |
2032 | call get_address_register |
2035 | call get_address_register |
2033 | mov al,[edi+9] |
2036 | mov al,[edi+9] |
2034 | mov dl,[edi+11] |
2037 | mov dl,[edi+11] |
2035 | call get_address_register |
2038 | call get_address_register |
2036 | mov ax,bx |
2039 | mov ax,bx |
2037 | shr ah,4 |
2040 | shr ah,4 |
2038 | shr al,4 |
2041 | shr al,4 |
2039 | or bh,bh |
2042 | or bh,bh |
2040 | jz check_address_registers |
2043 | jz check_address_registers |
2041 | or bl,bl |
2044 | or bl,bl |
2042 | jz check_address_registers |
2045 | jz check_address_registers |
2043 | cmp al,ah |
2046 | cmp al,ah |
2044 | jne invalid_address |
2047 | jne invalid_address |
2045 | check_address_registers: |
2048 | check_address_registers: |
2046 | or al,ah |
2049 | or al,ah |
2047 | mov ah,[address_size] |
2050 | mov ah,[address_size] |
2048 | and ah,0Fh |
2051 | and ah,0Fh |
2049 | jz address_registers_sizes_ok |
2052 | jz address_registers_sizes_ok |
2050 | cmp al,ah |
2053 | cmp al,ah |
2051 | jne address_sizes_do_not_match |
2054 | jne address_sizes_do_not_match |
2052 | address_registers_sizes_ok: |
2055 | address_registers_sizes_ok: |
2053 | cmp al,4 |
2056 | cmp al,4 |
2054 | je sib_allowed |
2057 | je sib_allowed |
2055 | cmp al,8 |
2058 | cmp al,8 |
2056 | je sib_allowed |
2059 | je sib_allowed |
2057 | cmp al,0Fh |
2060 | cmp al,0Fh |
2058 | je check_ip_relative_address |
2061 | je check_ip_relative_address |
2059 | or cl,cl |
2062 | or cl,cl |
2060 | jz check_word_value |
2063 | jz check_word_value |
2061 | cmp cl,1 |
2064 | cmp cl,1 |
2062 | je check_word_value |
2065 | je check_word_value |
2063 | jmp invalid_address |
2066 | jmp invalid_address |
2064 | address_sizes_do_not_match: |
2067 | address_sizes_do_not_match: |
2065 | cmp al,0Fh |
2068 | cmp al,0Fh |
2066 | jne invalid_address |
2069 | jne invalid_address |
2067 | mov al,bh |
2070 | mov al,bh |
2068 | and al,0Fh |
2071 | and al,0Fh |
2069 | cmp al,ah |
2072 | cmp al,ah |
2070 | jne invalid_address |
2073 | jne invalid_address |
2071 | check_ip_relative_address: |
2074 | check_ip_relative_address: |
2072 | cmp bh,0F4h |
2075 | cmp bh,0F4h |
2073 | je check_dword_value |
2076 | je check_dword_value |
2074 | cmp bh,0F8h |
2077 | cmp bh,0F8h |
2075 | jne invalid_address |
2078 | jne invalid_address |
2076 | mov eax,[edi] |
2079 | mov eax,[edi] |
2077 | cdq |
2080 | cdq |
2078 | cmp edx,[edi+4] |
2081 | cmp edx,[edi+4] |
2079 | jne range_exceeded |
2082 | jne range_exceeded |
2080 | ret |
2083 | ret |
2081 | get_address_register: |
2084 | get_address_register: |
2082 | or al,al |
2085 | or al,al |
2083 | jz address_register_ok |
2086 | jz address_register_ok |
2084 | cmp dl,1 |
2087 | cmp dl,1 |
2085 | jne scaled_register |
2088 | jne scaled_register |
2086 | or bh,bh |
2089 | or bh,bh |
2087 | jnz scaled_register |
2090 | jnz scaled_register |
2088 | mov bh,al |
2091 | mov bh,al |
2089 | address_register_ok: |
2092 | address_register_ok: |
2090 | ret |
2093 | ret |
2091 | scaled_register: |
2094 | scaled_register: |
2092 | or bl,bl |
2095 | or bl,bl |
2093 | jnz invalid_address |
2096 | jnz invalid_address |
2094 | mov bl,al |
2097 | mov bl,al |
2095 | mov cl,dl |
2098 | mov cl,dl |
2096 | jmp address_register_ok |
2099 | jmp address_register_ok |
2097 | sib_allowed: |
2100 | sib_allowed: |
2098 | or bh,bh |
2101 | or bh,bh |
2099 | jnz check_index_scale |
2102 | jnz check_index_scale |
2100 | cmp cl,2 |
2103 | cmp cl,2 |
2101 | je special_index_scale |
2104 | je special_index_scale |
2102 | cmp cl,3 |
2105 | cmp cl,3 |
2103 | je special_index_scale |
2106 | je special_index_scale |
2104 | cmp cl,5 |
2107 | cmp cl,5 |
2105 | je special_index_scale |
2108 | je special_index_scale |
2106 | cmp cl,9 |
2109 | cmp cl,9 |
2107 | je special_index_scale |
2110 | je special_index_scale |
2108 | check_index_scale: |
2111 | check_index_scale: |
2109 | or cl,cl |
2112 | or cl,cl |
2110 | jz check_immediate_address |
2113 | jz check_immediate_address |
2111 | cmp cl,1 |
2114 | cmp cl,1 |
2112 | je check_immediate_address |
2115 | je check_immediate_address |
2113 | cmp cl,2 |
2116 | cmp cl,2 |
2114 | je check_immediate_address |
2117 | je check_immediate_address |
2115 | cmp cl,4 |
2118 | cmp cl,4 |
2116 | je check_immediate_address |
2119 | je check_immediate_address |
2117 | cmp cl,8 |
2120 | cmp cl,8 |
2118 | je check_immediate_address |
2121 | je check_immediate_address |
2119 | jmp invalid_address |
2122 | jmp invalid_address |
2120 | special_index_scale: |
2123 | special_index_scale: |
2121 | mov bh,bl |
2124 | mov bh,bl |
2122 | dec cl |
2125 | dec cl |
2123 | check_immediate_address: |
2126 | check_immediate_address: |
2124 | mov al,[address_size] |
2127 | mov al,[address_size] |
2125 | and al,0Fh |
2128 | and al,0Fh |
2126 | cmp al,2 |
2129 | cmp al,2 |
2127 | je check_word_value |
2130 | je check_word_value |
2128 | cmp al,4 |
2131 | cmp al,4 |
2129 | je check_dword_value |
2132 | je check_dword_value |
2130 | cmp al,8 |
2133 | cmp al,8 |
2131 | je check_qword_value |
2134 | je check_qword_value |
2132 | or al,al |
2135 | or al,al |
2133 | jnz invalid_value |
2136 | jnz invalid_value |
2134 | cmp [code_type],64 |
2137 | cmp [code_type],64 |
2135 | jne check_dword_value |
2138 | jne check_dword_value |
2136 | jmp check_qword_value |
2139 | jmp check_qword_value |
2137 | calculate_relative_offset: |
2140 | calculate_relative_offset: |
2138 | cmp [value_undefined],0 |
2141 | cmp [value_undefined],0 |
2139 | jne relative_offset_ok |
2142 | jne relative_offset_ok |
2140 | test bh,bh |
2143 | test bh,bh |
2141 | setne ch |
2144 | setne ch |
2142 | cmp bx,word [org_registers] |
2145 | cmp bx,word [org_registers] |
2143 | je origin_registers_ok |
2146 | je origin_registers_ok |
2144 | xchg bh,bl |
2147 | xchg bh,bl |
2145 | xchg ch,cl |
2148 | xchg ch,cl |
2146 | cmp bx,word [org_registers] |
2149 | cmp bx,word [org_registers] |
2147 | jne invalid_value |
2150 | jne invalid_value |
2148 | origin_registers_ok: |
2151 | origin_registers_ok: |
2149 | cmp cx,word [org_registers+2] |
2152 | cmp cx,word [org_registers+2] |
2150 | jne invalid_value |
2153 | jne invalid_value |
2151 | add eax,dword [org_origin] |
2154 | add eax,dword [org_origin] |
2152 | adc edx,dword [org_origin+4] |
2155 | adc edx,dword [org_origin+4] |
2153 | sub eax,edi |
2156 | sub eax,edi |
2154 | sbb edx,0 |
2157 | sbb edx,0 |
2155 | mov bl,[value_type] |
2158 | mov bl,[value_type] |
2156 | or bl,bl |
2159 | or bl,bl |
2157 | je relative_offset_ok |
2160 | je relative_offset_ok |
2158 | test bl,1 |
2161 | test bl,1 |
2159 | jnz invalid_use_of_symbol |
2162 | jnz invalid_use_of_symbol |
2160 | cmp bl,6 |
2163 | cmp bl,6 |
2161 | je plt_relative_offset |
2164 | je plt_relative_offset |
2162 | cmp bl,[labels_type] |
2165 | cmp bl,[labels_type] |
2163 | jne invalid_use_of_symbol |
2166 | jne invalid_use_of_symbol |
2164 | mov [value_type],0 |
2167 | mov [value_type],0 |
2165 | mov ecx,[address_symbol] |
2168 | mov ecx,[address_symbol] |
2166 | mov [symbol_identifier],ecx |
2169 | mov [symbol_identifier],ecx |
2167 | cmp ecx,[org_symbol] |
2170 | cmp ecx,[org_symbol] |
2168 | je relative_offset_ok |
2171 | je relative_offset_ok |
2169 | mov [value_type],3 |
2172 | mov [value_type],3 |
2170 | relative_offset_ok: |
2173 | relative_offset_ok: |
2171 | ret |
2174 | ret |
2172 | plt_relative_offset: |
2175 | plt_relative_offset: |
2173 | mov [value_type],7 |
2176 | mov [value_type],7 |
2174 | ret |
2177 | ret |
2175 | 2178 | ||
2176 | preevaluate_logical_expression: |
2179 | preevaluate_logical_expression: |
2177 | push edi |
2180 | xor al,al |
- | 2181 | preevaluate_embedded_logical_expression: |
|
- | 2182 | mov [logical_value_wrapping],al |
|
- | 2183 | push edi |
|
2178 | call preevaluate_logical_value |
2184 | call preevaluate_logical_value |
2179 | preevaluation_loop: |
2185 | preevaluation_loop: |
2180 | cmp al,0FFh |
2186 | cmp al,0FFh |
2181 | je invalid_logical_expression |
2187 | je invalid_logical_expression |
2182 | mov dl,[esi] |
2188 | mov dl,[esi] |
2183 | inc esi |
2189 | inc esi |
2184 | cmp dl,'|' |
2190 | cmp dl,'|' |
2185 | je preevaluate_or |
2191 | je preevaluate_or |
2186 | cmp dl,'&' |
2192 | cmp dl,'&' |
2187 | je preevaluate_and |
2193 | je preevaluate_and |
2188 | cmp dl,'}' |
2194 | cmp dl,'}' |
2189 | je preevaluation_done |
2195 | je preevaluation_done |
2190 | or dl,dl |
2196 | or dl,dl |
2191 | jnz invalid_logical_expression |
2197 | jnz invalid_logical_expression |
2192 | preevaluation_done: |
2198 | preevaluation_done: |
2193 | pop edx |
2199 | pop edx |
2194 | dec esi |
2200 | dec esi |
2195 | ret |
2201 | ret |
2196 | preevaluate_or: |
2202 | preevaluate_or: |
2197 | cmp al,'1' |
2203 | cmp al,'1' |
2198 | je quick_true |
2204 | je quick_true |
2199 | cmp al,'0' |
2205 | cmp al,'0' |
2200 | je leave_only_following |
2206 | je leave_only_following |
2201 | push edi |
2207 | push edi |
2202 | mov al,dl |
2208 | mov al,dl |
2203 | stos byte [edi] |
2209 | stos byte [edi] |
2204 | call preevaluate_logical_value |
2210 | call preevaluate_logical_value |
2205 | pop ebx |
2211 | pop ebx |
2206 | cmp al,'0' |
2212 | cmp al,'0' |
2207 | je leave_only_preceding |
2213 | je leave_only_preceding |
2208 | cmp al,'1' |
2214 | cmp al,'1' |
2209 | jne preevaluation_loop |
2215 | jne preevaluation_loop |
2210 | stos byte [edi] |
2216 | stos byte [edi] |
2211 | xor al,al |
2217 | xor al,al |
2212 | jmp preevaluation_loop |
2218 | jmp preevaluation_loop |
2213 | preevaluate_and: |
2219 | preevaluate_and: |
2214 | cmp al,'0' |
2220 | cmp al,'0' |
2215 | je quick_false |
2221 | je quick_false |
2216 | cmp al,'1' |
2222 | cmp al,'1' |
2217 | je leave_only_following |
2223 | je leave_only_following |
2218 | push edi |
2224 | push edi |
2219 | mov al,dl |
2225 | mov al,dl |
2220 | stos byte [edi] |
2226 | stos byte [edi] |
2221 | call preevaluate_logical_value |
2227 | call preevaluate_logical_value |
2222 | pop ebx |
2228 | pop ebx |
2223 | cmp al,'1' |
2229 | cmp al,'1' |
2224 | je leave_only_preceding |
2230 | je leave_only_preceding |
2225 | cmp al,'0' |
2231 | cmp al,'0' |
2226 | jne preevaluation_loop |
2232 | jne preevaluation_loop |
2227 | stos byte [edi] |
2233 | stos byte [edi] |
2228 | xor al,al |
2234 | xor al,al |
2229 | jmp preevaluation_loop |
2235 | jmp preevaluation_loop |
2230 | leave_only_following: |
2236 | leave_only_following: |
2231 | mov edi,[esp] |
2237 | mov edi,[esp] |
2232 | call preevaluate_logical_value |
2238 | call preevaluate_logical_value |
2233 | jmp preevaluation_loop |
2239 | jmp preevaluation_loop |
2234 | leave_only_preceding: |
2240 | leave_only_preceding: |
2235 | mov edi,ebx |
2241 | mov edi,ebx |
2236 | xor al,al |
2242 | xor al,al |
2237 | jmp preevaluation_loop |
2243 | jmp preevaluation_loop |
2238 | quick_true: |
2244 | quick_true: |
2239 | call skip_logical_value |
2245 | call skip_logical_value |
2240 | jc invalid_logical_expression |
2246 | jc invalid_logical_expression |
2241 | mov edi,[esp] |
2247 | mov edi,[esp] |
2242 | mov al,'1' |
2248 | mov al,'1' |
2243 | jmp preevaluation_loop |
2249 | jmp preevaluation_loop |
2244 | quick_false: |
2250 | quick_false: |
2245 | call skip_logical_value |
2251 | call skip_logical_value |
2246 | jc invalid_logical_expression |
2252 | jc invalid_logical_expression |
2247 | mov edi,[esp] |
2253 | mov edi,[esp] |
2248 | mov al,'0' |
2254 | mov al,'0' |
2249 | jmp preevaluation_loop |
2255 | jmp preevaluation_loop |
2250 | invalid_logical_expression: |
2256 | invalid_logical_expression: |
2251 | pop edi |
2257 | pop edi |
2252 | mov esi,edi |
2258 | mov esi,edi |
2253 | mov al,0FFh |
2259 | mov al,0FFh |
2254 | stos byte [edi] |
2260 | stos byte [edi] |
2255 | ret |
2261 | ret |
2256 | skip_logical_value: |
2262 | skip_logical_value: |
2257 | cmp byte [esi],'~' |
2263 | cmp byte [esi],'~' |
2258 | jne negation_skipped |
2264 | jne negation_skipped |
2259 | inc esi |
2265 | inc esi |
2260 | jmp skip_logical_value |
2266 | jmp skip_logical_value |
2261 | negation_skipped: |
2267 | negation_skipped: |
2262 | cmp byte [esi],'{' |
2268 | cmp byte [esi],'{' |
2263 | jne skip_simple_logical_value |
2269 | jne skip_simple_logical_value |
2264 | inc esi |
2270 | inc esi |
2265 | skip_logical_expression: |
2271 | xchg al,[logical_value_wrapping] |
- | 2272 | push eax |
|
- | 2273 | skip_logical_expression: |
|
2266 | call skip_logical_value |
2274 | call skip_logical_value |
2267 | lods byte [esi] |
2275 | lods byte [esi] |
2268 | or al,al |
2276 | or al,al |
2269 | jz wrongly_structured_logical_expression |
2277 | jz wrongly_structured_logical_expression |
2270 | cmp al,0Fh |
2278 | cmp al,0Fh |
2271 | je wrongly_structured_logical_expression |
2279 | je wrongly_structured_logical_expression |
2272 | cmp al,'|' |
2280 | cmp al,'|' |
2273 | je skip_logical_expression |
2281 | je skip_logical_expression |
2274 | cmp al,'&' |
2282 | cmp al,'&' |
2275 | je skip_logical_expression |
2283 | je skip_logical_expression |
2276 | cmp al,'}' |
2284 | cmp al,'}' |
2277 | je logical_value_skipped |
2285 | jne wrongly_structured_logical_expression |
- | 2286 | pop eax |
|
- | 2287 | mov [logical_value_wrapping],al |
|
- | 2288 | logical_value_skipped: |
|
2278 | wrongly_structured_logical_expression: |
2289 | clc |
- | 2290 | ret |
|
- | 2291 | wrongly_structured_logical_expression: |
|
2279 | stc |
2292 | stc |
2280 | ret |
2293 | ret |
2281 | skip_simple_logical_value: |
2294 | skip_simple_logical_value: |
2282 | mov al,[esi] |
2295 | mov [logical_value_parentheses],0 |
- | 2296 | find_simple_logical_value_end: |
|
- | 2297 | mov al,[esi] |
|
2283 | or al,al |
2298 | or al,al |
2284 | jz logical_value_skipped |
2299 | jz logical_value_skipped |
2285 | cmp al,0Fh |
2300 | cmp al,0Fh |
2286 | je logical_value_skipped |
2301 | je logical_value_skipped |
2287 | cmp al,'}' |
2302 | cmp al,'|' |
2288 | je logical_value_skipped |
- | |
2289 | cmp al,'|' |
- | |
2290 | je logical_value_skipped |
2303 | je logical_value_skipped |
2291 | cmp al,'&' |
2304 | cmp al,'&' |
2292 | je logical_value_skipped |
2305 | je logical_value_skipped |
2293 | call skip_symbol |
2306 | cmp al,'{' |
- | 2307 | je skip_logical_value_internal_parenthesis |
|
- | 2308 | cmp al,'}' |
|
- | 2309 | jne skip_logical_value_symbol |
|
- | 2310 | sub [logical_value_parentheses],1 |
|
- | 2311 | jnc skip_logical_value_symbol |
|
- | 2312 | cmp [logical_value_wrapping],al |
|
- | 2313 | jne skip_logical_value_symbol |
|
- | 2314 | jmp logical_value_skipped |
|
- | 2315 | skip_logical_value_internal_parenthesis: |
|
- | 2316 | inc [logical_value_parentheses] |
|
- | 2317 | skip_logical_value_symbol: |
|
- | 2318 | call skip_symbol |
|
2294 | jmp skip_simple_logical_value |
2319 | jmp find_simple_logical_value_end |
2295 | logical_value_skipped: |
2320 | preevaluate_logical_value: |
2296 | clc |
- | |
2297 | ret |
- | |
2298 | - | ||
2299 | preevaluate_logical_value: |
- | |
2300 | mov ebp,edi |
2321 | mov ebp,edi |
2301 | preevaluate_negation: |
2322 | preevaluate_negation: |
2302 | cmp byte [esi],'~' |
2323 | cmp byte [esi],'~' |
2303 | jne preevaluate_negation_ok |
2324 | jne preevaluate_negation_ok |
2304 | movs byte [edi],[esi] |
2325 | movs byte [edi],[esi] |
2305 | jmp preevaluate_negation |
2326 | jmp preevaluate_negation |
2306 | preevaluate_negation_ok: |
2327 | preevaluate_negation_ok: |
2307 | mov ebx,esi |
2328 | mov ebx,esi |
2308 | xor edx,edx |
2329 | cmp byte [esi],'{' |
2309 | cmp byte [esi],'{' |
- | |
2310 | jne find_logical_value_boundaries |
2330 | jne preevaluate_simple_logical_value |
2311 | movs byte [edi],[esi] |
2331 | lods byte [esi] |
2312 | push ebp |
2332 | stos byte [edi] |
- | 2333 | push ebp |
|
2313 | call preevaluate_logical_expression |
2334 | mov dl,[logical_value_wrapping] |
- | 2335 | push edx |
|
- | 2336 | call preevaluate_embedded_logical_expression |
|
2314 | pop ebp |
2337 | pop edx |
- | 2338 | mov [logical_value_wrapping],dl |
|
- | 2339 | pop ebp |
|
2315 | cmp al,0FFh |
2340 | cmp al,0FFh |
2316 | je invalid_logical_value |
2341 | je invalid_logical_value |
2317 | cmp byte [esi],'}' |
2342 | cmp byte [esi],'}' |
2318 | jne invalid_logical_value |
2343 | jne invalid_logical_value |
2319 | or al,al |
2344 | or al,al |
2320 | jnz preevaluated_expression_value |
2345 | jnz preevaluated_expression_value |
2321 | movs byte [edi],[esi] |
2346 | movs byte [edi],[esi] |
2322 | ret |
2347 | ret |
2323 | preevaluated_expression_value: |
2348 | preevaluated_expression_value: |
2324 | inc esi |
2349 | inc esi |
2325 | lea edx,[edi-1] |
2350 | lea edx,[edi-1] |
2326 | sub edx,ebp |
2351 | sub edx,ebp |
2327 | test edx,1 |
2352 | test edx,1 |
2328 | jz expression_negation_ok |
2353 | jz expression_negation_ok |
2329 | xor al,1 |
2354 | xor al,1 |
2330 | expression_negation_ok: |
2355 | expression_negation_ok: |
2331 | mov edi,ebp |
2356 | mov edi,ebp |
2332 | ret |
2357 | ret |
2333 | invalid_logical_value: |
2358 | invalid_logical_value: |
2334 | mov edi,ebp |
2359 | mov edi,ebp |
2335 | mov al,0FFh |
2360 | mov al,0FFh |
2336 | ret |
2361 | ret |
2337 | find_logical_value_boundaries: |
2362 | preevaluate_simple_logical_value: |
- | 2363 | xor edx,edx |
|
- | 2364 | mov [logical_value_parentheses],edx |
|
- | 2365 | find_logical_value_boundaries: |
|
2338 | mov al,[esi] |
2366 | mov al,[esi] |
2339 | or al,al |
2367 | or al,al |
2340 | jz logical_value_boundaries_found |
2368 | jz logical_value_boundaries_found |
2341 | cmp al,'}' |
2369 | cmp al,'{' |
- | 2370 | je logical_value_internal_parentheses |
|
- | 2371 | cmp al,'}' |
|
2342 | je logical_value_boundaries_found |
2372 | je logical_value_boundaries_parenthesis_close |
2343 | cmp al,'|' |
2373 | cmp al,'|' |
2344 | je logical_value_boundaries_found |
2374 | je logical_value_boundaries_found |
2345 | cmp al,'&' |
2375 | cmp al,'&' |
2346 | je logical_value_boundaries_found |
2376 | je logical_value_boundaries_found |
2347 | or edx,edx |
2377 | or edx,edx |
2348 | jnz next_symbol_in_logical_value |
2378 | jnz next_symbol_in_logical_value |
2349 | cmp al,0F0h |
2379 | cmp al,0F0h |
2350 | je preevaluable_logical_operator |
2380 | je preevaluable_logical_operator |
2351 | cmp al,0F7h |
2381 | cmp al,0F7h |
2352 | je preevaluable_logical_operator |
2382 | je preevaluable_logical_operator |
2353 | cmp al,0F6h |
2383 | cmp al,0F6h |
2354 | jne next_symbol_in_logical_value |
2384 | jne next_symbol_in_logical_value |
2355 | preevaluable_logical_operator: |
2385 | preevaluable_logical_operator: |
2356 | mov edx,esi |
2386 | mov edx,esi |
2357 | next_symbol_in_logical_value: |
2387 | next_symbol_in_logical_value: |
2358 | call skip_symbol |
2388 | call skip_symbol |
2359 | jmp find_logical_value_boundaries |
2389 | jmp find_logical_value_boundaries |
2360 | logical_value_boundaries_found: |
2390 | logical_value_internal_parentheses: |
- | 2391 | inc [logical_value_parentheses] |
|
- | 2392 | jmp next_symbol_in_logical_value |
|
- | 2393 | logical_value_boundaries_parenthesis_close: |
|
- | 2394 | sub [logical_value_parentheses],1 |
|
- | 2395 | jnc next_symbol_in_logical_value |
|
- | 2396 | cmp [logical_value_wrapping],'{' |
|
- | 2397 | jne next_symbol_in_logical_value |
|
- | 2398 | logical_value_boundaries_found: |
|
2361 | or edx,edx |
2399 | or edx,edx |
2362 | jz non_preevaluable_logical_value |
2400 | jz non_preevaluable_logical_value |
2363 | mov al,[edx] |
2401 | mov al,[edx] |
2364 | cmp al,0F0h |
2402 | cmp al,0F0h |
2365 | je compare_symbols |
2403 | je compare_symbols |
2366 | cmp al,0F7h |
2404 | cmp al,0F7h |
2367 | je compare_symbol_types |
2405 | je compare_symbol_types |
2368 | cmp al,0F6h |
2406 | cmp al,0F6h |
2369 | je scan_symbols_list |
2407 | je scan_symbols_list |
2370 | non_preevaluable_logical_value: |
2408 | non_preevaluable_logical_value: |
2371 | mov ecx,esi |
2409 | mov ecx,esi |
2372 | mov esi,ebx |
2410 | mov esi,ebx |
2373 | sub ecx,esi |
2411 | sub ecx,esi |
2374 | jz invalid_logical_value |
2412 | jz invalid_logical_value |
2375 | cmp esi,edi |
2413 | cmp esi,edi |
2376 | je leave_logical_value_intact |
2414 | je leave_logical_value_intact |
2377 | rep movs byte [edi],[esi] |
2415 | rep movs byte [edi],[esi] |
2378 | xor al,al |
2416 | xor al,al |
2379 | ret |
2417 | ret |
2380 | leave_logical_value_intact: |
2418 | leave_logical_value_intact: |
2381 | add edi,ecx |
2419 | add edi,ecx |
2382 | add esi,ecx |
2420 | add esi,ecx |
2383 | xor al,al |
2421 | xor al,al |
2384 | ret |
2422 | ret |
2385 | compare_symbols: |
2423 | compare_symbols: |
2386 | lea ecx,[esi-1] |
2424 | lea ecx,[esi-1] |
2387 | sub ecx,edx |
2425 | sub ecx,edx |
2388 | mov eax,edx |
2426 | mov eax,edx |
2389 | sub eax,ebx |
2427 | sub eax,ebx |
2390 | cmp ecx,eax |
2428 | cmp ecx,eax |
2391 | jne preevaluated_false |
2429 | jne preevaluated_false |
2392 | push esi edi |
2430 | push esi edi |
2393 | mov esi,ebx |
2431 | mov esi,ebx |
2394 | lea edi,[edx+1] |
2432 | lea edi,[edx+1] |
2395 | repe cmps byte [esi],[edi] |
2433 | repe cmps byte [esi],[edi] |
2396 | pop edi esi |
2434 | pop edi esi |
2397 | je preevaluated_true |
2435 | je preevaluated_true |
2398 | preevaluated_false: |
2436 | preevaluated_false: |
2399 | mov eax,edi |
2437 | mov eax,edi |
2400 | sub eax,ebp |
2438 | sub eax,ebp |
2401 | test eax,1 |
2439 | test eax,1 |
2402 | jnz store_true |
2440 | jnz store_true |
2403 | store_false: |
2441 | store_false: |
2404 | mov edi,ebp |
2442 | mov edi,ebp |
2405 | mov al,'0' |
2443 | mov al,'0' |
2406 | ret |
2444 | ret |
2407 | preevaluated_true: |
2445 | preevaluated_true: |
2408 | mov eax,edi |
2446 | mov eax,edi |
2409 | sub eax,ebp |
2447 | sub eax,ebp |
2410 | test eax,1 |
2448 | test eax,1 |
2411 | jnz store_false |
2449 | jnz store_false |
2412 | store_true: |
2450 | store_true: |
2413 | mov edi,ebp |
2451 | mov edi,ebp |
2414 | mov al,'1' |
2452 | mov al,'1' |
2415 | ret |
2453 | ret |
2416 | compare_symbol_types: |
2454 | compare_symbol_types: |
2417 | push esi |
2455 | push esi |
2418 | lea esi,[edx+1] |
2456 | lea esi,[edx+1] |
2419 | type_comparison: |
2457 | type_comparison: |
2420 | cmp esi,[esp] |
2458 | cmp esi,[esp] |
2421 | je types_compared |
2459 | je types_compared |
2422 | mov al,[esi] |
2460 | mov al,[esi] |
2423 | cmp al,[ebx] |
2461 | cmp al,[ebx] |
2424 | jne different_type |
2462 | jne different_type |
2425 | cmp al,'(' |
2463 | cmp al,'(' |
2426 | jne equal_type |
2464 | jne equal_type |
2427 | mov al,[esi+1] |
2465 | mov al,[esi+1] |
2428 | mov ah,[ebx+1] |
2466 | mov ah,[ebx+1] |
2429 | cmp al,ah |
2467 | cmp al,ah |
2430 | je equal_type |
2468 | je equal_type |
2431 | or al,al |
2469 | or al,al |
2432 | jz different_type |
2470 | jz different_type |
2433 | or ah,ah |
2471 | or ah,ah |
2434 | jz different_type |
2472 | jz different_type |
2435 | cmp al,'.' |
2473 | cmp al,'.' |
2436 | je different_type |
2474 | je different_type |
2437 | cmp ah,'.' |
2475 | cmp ah,'.' |
2438 | je different_type |
2476 | je different_type |
2439 | equal_type: |
2477 | equal_type: |
2440 | call skip_symbol |
2478 | call skip_symbol |
2441 | xchg esi,ebx |
2479 | xchg esi,ebx |
2442 | call skip_symbol |
2480 | call skip_symbol |
2443 | xchg esi,ebx |
2481 | xchg esi,ebx |
2444 | jmp type_comparison |
2482 | jmp type_comparison |
2445 | types_compared: |
2483 | types_compared: |
2446 | pop esi |
2484 | pop esi |
2447 | cmp byte [ebx],0F7h |
2485 | cmp byte [ebx],0F7h |
2448 | jne preevaluated_false |
2486 | jne preevaluated_false |
2449 | jmp preevaluated_true |
2487 | jmp preevaluated_true |
2450 | different_type: |
2488 | different_type: |
2451 | pop esi |
2489 | pop esi |
2452 | jmp preevaluated_false |
2490 | jmp preevaluated_false |
2453 | scan_symbols_list: |
2491 | scan_symbols_list: |
2454 | push edi esi |
2492 | push edi esi |
2455 | lea esi,[edx+1] |
2493 | lea esi,[edx+1] |
2456 | sub edx,ebx |
2494 | sub edx,ebx |
2457 | lods byte [esi] |
2495 | lods byte [esi] |
2458 | cmp al,'<' |
2496 | cmp al,'<' |
2459 | jne invalid_symbols_list |
2497 | jne invalid_symbols_list |
2460 | get_next_from_list: |
2498 | get_next_from_list: |
2461 | mov edi,esi |
2499 | mov edi,esi |
2462 | get_from_list: |
2500 | get_from_list: |
2463 | cmp byte [esi],',' |
2501 | cmp byte [esi],',' |
2464 | je compare_in_list |
2502 | je compare_in_list |
2465 | cmp byte [esi],'>' |
2503 | cmp byte [esi],'>' |
2466 | je compare_in_list |
2504 | je compare_in_list |
2467 | cmp esi,[esp] |
2505 | cmp esi,[esp] |
2468 | jae invalid_symbols_list |
2506 | jae invalid_symbols_list |
2469 | call skip_symbol |
2507 | call skip_symbol |
2470 | jmp get_from_list |
2508 | jmp get_from_list |
2471 | compare_in_list: |
2509 | compare_in_list: |
2472 | mov ecx,esi |
2510 | mov ecx,esi |
2473 | sub ecx,edi |
2511 | sub ecx,edi |
2474 | cmp ecx,edx |
2512 | cmp ecx,edx |
2475 | jne not_equal_length_in_list |
2513 | jne not_equal_length_in_list |
2476 | mov esi,ebx |
2514 | mov esi,ebx |
2477 | repe cmps byte [esi],[edi] |
2515 | repe cmps byte [esi],[edi] |
2478 | mov esi,edi |
2516 | mov esi,edi |
2479 | jne not_equal_in_list |
2517 | jne not_equal_in_list |
2480 | skip_rest_of_list: |
2518 | skip_rest_of_list: |
2481 | cmp byte [esi],'>' |
2519 | cmp byte [esi],'>' |
2482 | je check_list_end |
2520 | je check_list_end |
2483 | cmp esi,[esp] |
2521 | cmp esi,[esp] |
2484 | jae invalid_symbols_list |
2522 | jae invalid_symbols_list |
2485 | call skip_symbol |
2523 | call skip_symbol |
2486 | jmp skip_rest_of_list |
2524 | jmp skip_rest_of_list |
2487 | check_list_end: |
2525 | check_list_end: |
2488 | inc esi |
2526 | inc esi |
2489 | cmp esi,[esp] |
2527 | cmp esi,[esp] |
2490 | jne invalid_symbols_list |
2528 | jne invalid_symbols_list |
2491 | pop esi edi |
2529 | pop esi edi |
2492 | jmp preevaluated_true |
2530 | jmp preevaluated_true |
2493 | not_equal_in_list: |
2531 | not_equal_in_list: |
2494 | add esi,ecx |
2532 | add esi,ecx |
2495 | not_equal_length_in_list: |
2533 | not_equal_length_in_list: |
2496 | lods byte [esi] |
2534 | lods byte [esi] |
2497 | cmp al,',' |
2535 | cmp al,',' |
2498 | je get_next_from_list |
2536 | je get_next_from_list |
2499 | cmp esi,[esp] |
2537 | cmp esi,[esp] |
2500 | jne invalid_symbols_list |
2538 | jne invalid_symbols_list |
2501 | pop esi edi |
2539 | pop esi edi |
2502 | jmp preevaluated_false |
2540 | jmp preevaluated_false |
2503 | invalid_symbols_list: |
2541 | invalid_symbols_list: |
2504 | pop esi edi |
2542 | pop esi edi |
2505 | jmp invalid_logical_value |
2543 | jmp invalid_logical_value |
2506 | 2544 | ||
2507 | calculate_logical_expression: |
2545 | calculate_logical_expression: |
2508 | call get_logical_value |
2546 | xor al,al |
- | 2547 | calculate_embedded_logical_expression: |
|
- | 2548 | mov [logical_value_wrapping],al |
|
- | 2549 | call get_logical_value |
|
2509 | logical_loop: |
2550 | logical_loop: |
2510 | cmp byte [esi],'|' |
2551 | cmp byte [esi],'|' |
2511 | je logical_or |
2552 | je logical_or |
2512 | cmp byte [esi],'&' |
2553 | cmp byte [esi],'&' |
2513 | je logical_and |
2554 | je logical_and |
2514 | ret |
2555 | ret |
2515 | logical_or: |
2556 | logical_or: |
2516 | inc esi |
2557 | inc esi |
2517 | or al,al |
2558 | or al,al |
2518 | jnz logical_value_already_determined |
2559 | jnz logical_value_already_determined |
2519 | push eax |
2560 | push eax |
2520 | call get_logical_value |
2561 | call get_logical_value |
2521 | pop ebx |
2562 | pop ebx |
2522 | or al,bl |
2563 | or al,bl |
2523 | jmp logical_loop |
2564 | jmp logical_loop |
2524 | logical_and: |
2565 | logical_and: |
2525 | inc esi |
2566 | inc esi |
2526 | or al,al |
2567 | or al,al |
2527 | jz logical_value_already_determined |
2568 | jz logical_value_already_determined |
2528 | push eax |
2569 | push eax |
2529 | call get_logical_value |
2570 | call get_logical_value |
2530 | pop ebx |
2571 | pop ebx |
2531 | and al,bl |
2572 | and al,bl |
2532 | jmp logical_loop |
2573 | jmp logical_loop |
2533 | logical_value_already_determined: |
2574 | logical_value_already_determined: |
2534 | push eax |
2575 | push eax |
2535 | call skip_logical_value |
2576 | call skip_logical_value |
2536 | jc invalid_expression |
2577 | jc invalid_expression |
2537 | pop eax |
2578 | pop eax |
2538 | jmp logical_loop |
2579 | jmp logical_loop |
2539 | get_logical_value: |
2580 | get_logical_value: |
2540 | xor al,al |
2581 | xor al,al |
2541 | check_for_negation: |
2582 | check_for_negation: |
2542 | cmp byte [esi],'~' |
2583 | cmp byte [esi],'~' |
2543 | jne negation_ok |
2584 | jne negation_ok |
2544 | inc esi |
2585 | inc esi |
2545 | xor al,-1 |
2586 | xor al,-1 |
2546 | jmp check_for_negation |
2587 | jmp check_for_negation |
2547 | negation_ok: |
2588 | negation_ok: |
2548 | push eax |
2589 | push eax |
2549 | mov al,[esi] |
2590 | mov al,[esi] |
2550 | cmp al,'{' |
2591 | cmp al,'{' |
2551 | je logical_expression |
2592 | je logical_expression |
2552 | cmp al,0FFh |
2593 | cmp al,0FFh |
2553 | je invalid_expression |
2594 | je invalid_expression |
2554 | cmp al,88h |
2595 | cmp al,88h |
2555 | je check_for_defined |
2596 | je check_for_defined |
2556 | cmp al,89h |
2597 | cmp al,89h |
2557 | je check_for_used |
2598 | je check_for_used |
2558 | cmp al,'0' |
2599 | cmp al,'0' |
2559 | je given_false |
2600 | je given_false |
2560 | cmp al,'1' |
2601 | cmp al,'1' |
2561 | je given_true |
2602 | je given_true |
2562 | call get_value |
2603 | call get_value |
2563 | mov bl,[value_type] |
2604 | mov bl,[value_type] |
2564 | push eax edx ebx |
2605 | push eax edx ebx |
2565 | mov al,[esi] |
2606 | mov al,[esi] |
2566 | or al,al |
2607 | or al,al |
2567 | jz logical_number |
2608 | jz logical_number |
2568 | cmp al,0Fh |
2609 | cmp al,0Fh |
2569 | je logical_number |
2610 | je logical_number |
2570 | cmp al,'}' |
2611 | cmp al,'}' |
2571 | je logical_number |
2612 | je logical_number |
2572 | cmp al,'&' |
2613 | cmp al,'&' |
2573 | je logical_number |
2614 | je logical_number |
2574 | cmp al,'|' |
2615 | cmp al,'|' |
2575 | je logical_number |
2616 | je logical_number |
2576 | inc esi |
2617 | inc esi |
2577 | mov [compare_type],al |
2618 | mov [compare_type],al |
2578 | call get_value |
2619 | call get_value |
2579 | pop ebx |
2620 | pop ebx |
2580 | cmp [next_pass_needed],0 |
2621 | cmp [next_pass_needed],0 |
2581 | jne values_ok |
2622 | jne values_ok |
2582 | cmp bl,[value_type] |
2623 | cmp bl,[value_type] |
2583 | jne invalid_use_of_symbol |
2624 | jne invalid_use_of_symbol |
2584 | values_ok: |
2625 | values_ok: |
2585 | pop ecx ebx |
2626 | pop ecx ebx |
2586 | cmp [compare_type],'=' |
2627 | cmp [compare_type],'=' |
2587 | je check_equal |
2628 | je check_equal |
2588 | cmp [compare_type],'>' |
2629 | cmp [compare_type],'>' |
2589 | je check_greater |
2630 | je check_greater |
2590 | cmp [compare_type],'<' |
2631 | cmp [compare_type],'<' |
2591 | je check_less |
2632 | je check_less |
2592 | cmp [compare_type],0F1h |
2633 | cmp [compare_type],0F1h |
2593 | je check_not_equal |
2634 | je check_not_equal |
2594 | cmp [compare_type],0F2h |
2635 | cmp [compare_type],0F2h |
2595 | je check_not_less |
2636 | je check_not_less |
2596 | cmp [compare_type],0F3h |
2637 | cmp [compare_type],0F3h |
2597 | je check_not_greater |
2638 | je check_not_greater |
2598 | jmp invalid_expression |
2639 | jmp invalid_expression |
2599 | check_equal: |
2640 | check_equal: |
2600 | cmp eax,ebx |
2641 | cmp eax,ebx |
2601 | jne return_false |
2642 | jne return_false |
2602 | cmp edx,ecx |
2643 | cmp edx,ecx |
2603 | jne return_false |
2644 | jne return_false |
2604 | jmp return_true |
2645 | jmp return_true |
2605 | check_greater: |
2646 | check_greater: |
2606 | cmp edx,ecx |
2647 | cmp edx,ecx |
2607 | jl return_true |
2648 | jl return_true |
2608 | jg return_false |
2649 | jg return_false |
2609 | cmp eax,ebx |
2650 | cmp eax,ebx |
2610 | jb return_true |
2651 | jb return_true |
2611 | jae return_false |
2652 | jae return_false |
2612 | check_less: |
2653 | check_less: |
2613 | cmp edx,ecx |
2654 | cmp edx,ecx |
2614 | jl return_false |
2655 | jl return_false |
2615 | jg return_true |
2656 | jg return_true |
2616 | cmp eax,ebx |
2657 | cmp eax,ebx |
2617 | jbe return_false |
2658 | jbe return_false |
2618 | ja return_true |
2659 | ja return_true |
2619 | check_not_less: |
2660 | check_not_less: |
2620 | cmp edx,ecx |
2661 | cmp edx,ecx |
2621 | jl return_true |
2662 | jl return_true |
2622 | jg return_false |
2663 | jg return_false |
2623 | cmp eax,ebx |
2664 | cmp eax,ebx |
2624 | jbe return_true |
2665 | jbe return_true |
2625 | ja return_false |
2666 | ja return_false |
2626 | check_not_greater: |
2667 | check_not_greater: |
2627 | cmp edx,ecx |
2668 | cmp edx,ecx |
2628 | jl return_false |
2669 | jl return_false |
2629 | jg return_true |
2670 | jg return_true |
2630 | cmp eax,ebx |
2671 | cmp eax,ebx |
2631 | jb return_false |
2672 | jb return_false |
2632 | jae return_true |
2673 | jae return_true |
2633 | check_not_equal: |
2674 | check_not_equal: |
2634 | cmp eax,ebx |
2675 | cmp eax,ebx |
2635 | jne return_true |
2676 | jne return_true |
2636 | cmp edx,ecx |
2677 | cmp edx,ecx |
2637 | jne return_true |
2678 | jne return_true |
2638 | jmp return_false |
2679 | jmp return_false |
2639 | logical_number: |
2680 | logical_number: |
2640 | pop ebx edx eax |
2681 | pop ebx edx eax |
2641 | or bl,bl |
2682 | or bl,bl |
2642 | jnz invalid_expression |
2683 | jnz invalid_expression |
2643 | or eax,edx |
2684 | or eax,edx |
2644 | jnz return_true |
2685 | jnz return_true |
2645 | jmp return_false |
2686 | jmp return_false |
2646 | check_for_defined: |
2687 | check_for_defined: |
2647 | or bl,-1 |
2688 | or bl,-1 |
2648 | lods word [esi] |
2689 | lods word [esi] |
2649 | cmp ah,'(' |
2690 | cmp ah,'(' |
2650 | jne invalid_expression |
2691 | jne invalid_expression |
2651 | check_expression: |
2692 | check_expression: |
2652 | lods byte [esi] |
2693 | lods byte [esi] |
2653 | or al,al |
2694 | or al,al |
2654 | jz defined_string |
2695 | jz defined_string |
2655 | cmp al,'.' |
2696 | cmp al,'.' |
2656 | je defined_fp_value |
2697 | je defined_fp_value |
2657 | cmp al,')' |
2698 | cmp al,')' |
2658 | je expression_checked |
2699 | je expression_checked |
2659 | cmp al,'!' |
2700 | cmp al,'!' |
2660 | je invalid_expression |
2701 | je invalid_expression |
2661 | cmp al,0Fh |
2702 | cmp al,0Fh |
2662 | je check_expression |
2703 | je check_expression |
2663 | cmp al,10h |
2704 | cmp al,10h |
2664 | je defined_register |
2705 | je defined_register |
2665 | cmp al,11h |
2706 | cmp al,11h |
2666 | je check_if_symbol_defined |
2707 | je check_if_symbol_defined |
2667 | cmp al,80h |
2708 | cmp al,80h |
2668 | jae check_expression |
2709 | jae check_expression |
2669 | movzx eax,al |
2710 | movzx eax,al |
2670 | add esi,eax |
2711 | add esi,eax |
2671 | jmp check_expression |
2712 | jmp check_expression |
2672 | defined_register: |
2713 | defined_register: |
2673 | inc esi |
2714 | inc esi |
2674 | jmp check_expression |
2715 | jmp check_expression |
2675 | defined_fp_value: |
2716 | defined_fp_value: |
2676 | add esi,12 |
2717 | add esi,12 |
2677 | jmp expression_checked |
2718 | jmp expression_checked |
2678 | defined_string: |
2719 | defined_string: |
2679 | lods dword [esi] |
2720 | lods dword [esi] |
2680 | add esi,eax |
2721 | add esi,eax |
2681 | inc esi |
2722 | inc esi |
2682 | jmp expression_checked |
2723 | jmp expression_checked |
2683 | check_if_symbol_defined: |
2724 | check_if_symbol_defined: |
2684 | lods dword [esi] |
2725 | lods dword [esi] |
2685 | cmp eax,-1 |
2726 | cmp eax,-1 |
2686 | je invalid_expression |
2727 | je invalid_expression |
2687 | cmp eax,0Fh |
2728 | cmp eax,0Fh |
2688 | jb check_expression |
2729 | jb check_expression |
2689 | je reserved_word_used_as_symbol |
2730 | je reserved_word_used_as_symbol |
2690 | test byte [eax+8],4 |
2731 | test byte [eax+8],4 |
2691 | jnz no_prediction |
2732 | jnz no_prediction |
2692 | test byte [eax+8],1 |
2733 | test byte [eax+8],1 |
2693 | jz symbol_predicted_undefined |
2734 | jz symbol_predicted_undefined |
2694 | mov cx,[current_pass] |
2735 | mov cx,[current_pass] |
2695 | sub cx,[eax+16] |
2736 | sub cx,[eax+16] |
2696 | jz check_expression |
2737 | jz check_expression |
2697 | cmp cx,1 |
2738 | cmp cx,1 |
2698 | ja symbol_predicted_undefined |
2739 | ja symbol_predicted_undefined |
2699 | or byte [eax+8],40h+80h |
2740 | or byte [eax+8],40h+80h |
2700 | jmp check_expression |
2741 | jmp check_expression |
2701 | no_prediction: |
2742 | no_prediction: |
2702 | test byte [eax+8],1 |
2743 | test byte [eax+8],1 |
2703 | jz symbol_undefined |
2744 | jz symbol_undefined |
2704 | mov cx,[current_pass] |
2745 | mov cx,[current_pass] |
2705 | sub cx,[eax+16] |
2746 | sub cx,[eax+16] |
2706 | jz check_expression |
2747 | jz check_expression |
2707 | jmp symbol_undefined |
2748 | jmp symbol_undefined |
2708 | symbol_predicted_undefined: |
2749 | symbol_predicted_undefined: |
2709 | or byte [eax+8],40h |
2750 | or byte [eax+8],40h |
2710 | and byte [eax+8],not 80h |
2751 | and byte [eax+8],not 80h |
2711 | symbol_undefined: |
2752 | symbol_undefined: |
2712 | xor bl,bl |
2753 | xor bl,bl |
2713 | jmp check_expression |
2754 | jmp check_expression |
2714 | expression_checked: |
2755 | expression_checked: |
2715 | mov al,bl |
2756 | mov al,bl |
2716 | jmp logical_value_ok |
2757 | jmp logical_value_ok |
2717 | check_for_used: |
2758 | check_for_used: |
2718 | lods word [esi] |
2759 | lods word [esi] |
2719 | cmp ah,2 |
2760 | cmp ah,2 |
2720 | jne invalid_expression |
2761 | jne invalid_expression |
2721 | lods dword [esi] |
2762 | lods dword [esi] |
2722 | cmp eax,0Fh |
2763 | cmp eax,0Fh |
2723 | jb invalid_use_of_symbol |
2764 | jb invalid_use_of_symbol |
2724 | je reserved_word_used_as_symbol |
2765 | je reserved_word_used_as_symbol |
2725 | inc esi |
2766 | inc esi |
2726 | test byte [eax+8],8 |
2767 | test byte [eax+8],8 |
2727 | jz not_used |
2768 | jz not_used |
2728 | mov cx,[current_pass] |
2769 | mov cx,[current_pass] |
2729 | sub cx,[eax+18] |
2770 | sub cx,[eax+18] |
2730 | jz return_true |
2771 | jz return_true |
2731 | cmp cx,1 |
2772 | cmp cx,1 |
2732 | ja not_used |
2773 | ja not_used |
2733 | or byte [eax+8],10h+20h |
2774 | or byte [eax+8],10h+20h |
2734 | jmp return_true |
2775 | jmp return_true |
2735 | not_used: |
2776 | not_used: |
2736 | or byte [eax+8],10h |
2777 | or byte [eax+8],10h |
2737 | and byte [eax+8],not 20h |
2778 | and byte [eax+8],not 20h |
2738 | jmp return_false |
2779 | jmp return_false |
2739 | given_false: |
2780 | given_false: |
2740 | inc esi |
2781 | inc esi |
2741 | return_false: |
2782 | return_false: |
2742 | xor al,al |
2783 | xor al,al |
2743 | jmp logical_value_ok |
2784 | jmp logical_value_ok |
2744 | given_true: |
2785 | given_true: |
2745 | inc esi |
2786 | inc esi |
2746 | return_true: |
2787 | return_true: |
2747 | or al,-1 |
2788 | or al,-1 |
2748 | jmp logical_value_ok |
2789 | jmp logical_value_ok |
2749 | logical_expression: |
2790 | logical_expression: |
2750 | inc esi |
2791 | lods byte [esi] |
- | 2792 | mov dl,[logical_value_wrapping] |
|
- | 2793 | push edx |
|
2751 | call calculate_logical_expression |
2794 | call calculate_embedded_logical_expression |
2752 | push eax |
2795 | pop edx |
- | 2796 | mov [logical_value_wrapping],dl |
|
- | 2797 | push eax |
|
2753 | lods byte [esi] |
2798 | lods byte [esi] |
2754 | cmp al,'}' |
2799 | cmp al,'}' |
2755 | jne invalid_expression |
2800 | jne invalid_expression |
2756 | pop eax |
2801 | pop eax |
2757 | logical_value_ok: |
2802 | logical_value_ok: |
2758 | pop ebx |
2803 | pop ebx |
2759 | xor al,bl |
2804 | xor al,bl |
2760 | ret' |
2805 | ret' |
2761 | >' |
2806 | >' |
2762 | > |
2807 | > |