Commit | Line | Data |
---|---|---|
97b58163 MD |
1 | /* |
2 | * lttng-filter-interpreter.c | |
3 | * | |
4 | * LTTng UST filter interpreter. | |
5 | * | |
6 | * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
7 | * | |
8 | * This library is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License as published by the Free Software Foundation; only | |
11 | * version 2.1 of the License. | |
12 | * | |
13 | * This library is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * Lesser General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU Lesser General Public | |
19 | * License along with this library; if not, write to the Free Software | |
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
21 | */ | |
22 | ||
53569322 | 23 | #include <urcu-pointer.h> |
97b58163 MD |
24 | #include "lttng-filter.h" |
25 | ||
26 | /* | |
27 | * -1: wildcard found. | |
28 | * -2: unknown escape char. | |
29 | * 0: normal char. | |
30 | */ | |
31 | ||
32 | static | |
33 | int parse_char(const char **p) | |
34 | { | |
35 | switch (**p) { | |
36 | case '\\': | |
37 | (*p)++; | |
38 | switch (**p) { | |
39 | case '\\': | |
40 | case '*': | |
41 | return 0; | |
42 | default: | |
43 | return -2; | |
44 | } | |
45 | case '*': | |
46 | return -1; | |
47 | default: | |
48 | return 0; | |
49 | } | |
50 | } | |
51 | ||
52 | static | |
9b33aac4 | 53 | int stack_strcmp(struct estack *stack, int top, const char *cmp_type) |
97b58163 | 54 | { |
9b33aac4 | 55 | const char *p = estack_bx(stack, top)->u.s.str, *q = estack_ax(stack, top)->u.s.str; |
97b58163 MD |
56 | int ret; |
57 | int diff; | |
58 | ||
59 | for (;;) { | |
60 | int escaped_r0 = 0; | |
61 | ||
332335cd MD |
62 | if (unlikely(p - estack_bx(stack, top)->u.s.str >= estack_bx(stack, top)->u.s.seq_len || *p == '\0')) { |
63 | if (q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0') { | |
5cf8141d | 64 | return 0; |
a0928c1e | 65 | } else { |
5cf8141d MD |
66 | if (estack_ax(stack, top)->u.s.literal) { |
67 | ret = parse_char(&q); | |
68 | if (ret == -1) | |
69 | return 0; | |
70 | } | |
71 | return -1; | |
a0928c1e | 72 | } |
97b58163 | 73 | } |
332335cd | 74 | if (unlikely(q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0')) { |
3e6a0694 MD |
75 | if (estack_bx(stack, top)->u.s.literal) { |
76 | ret = parse_char(&p); | |
77 | if (ret == -1) | |
78 | return 0; | |
a0928c1e | 79 | } |
3e6a0694 | 80 | return 1; |
97b58163 | 81 | } |
9b33aac4 | 82 | if (estack_bx(stack, top)->u.s.literal) { |
97b58163 MD |
83 | ret = parse_char(&p); |
84 | if (ret == -1) { | |
85 | return 0; | |
86 | } else if (ret == -2) { | |
87 | escaped_r0 = 1; | |
88 | } | |
89 | /* else compare both char */ | |
90 | } | |
9b33aac4 | 91 | if (estack_ax(stack, top)->u.s.literal) { |
97b58163 MD |
92 | ret = parse_char(&q); |
93 | if (ret == -1) { | |
94 | return 0; | |
95 | } else if (ret == -2) { | |
96 | if (!escaped_r0) | |
97 | return -1; | |
98 | } else { | |
99 | if (escaped_r0) | |
100 | return 1; | |
101 | } | |
102 | } else { | |
103 | if (escaped_r0) | |
104 | return 1; | |
105 | } | |
106 | diff = *p - *q; | |
107 | if (diff != 0) | |
108 | break; | |
109 | p++; | |
110 | q++; | |
111 | } | |
112 | return diff; | |
113 | } | |
114 | ||
8a92ed2a | 115 | uint64_t lttng_filter_false(void *filter_data, |
97b58163 MD |
116 | const char *filter_stack_data) |
117 | { | |
118 | return 0; | |
119 | } | |
120 | ||
121 | #ifdef INTERPRETER_USE_SWITCH | |
122 | ||
123 | /* | |
124 | * Fallback for compilers that do not support taking address of labels. | |
125 | */ | |
126 | ||
127 | #define START_OP \ | |
128 | start_pc = &bytecode->data[0]; \ | |
129 | for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; \ | |
130 | pc = next_pc) { \ | |
131 | dbg_printf("Executing op %s (%u)\n", \ | |
132 | print_op((unsigned int) *(filter_opcode_t *) pc), \ | |
133 | (unsigned int) *(filter_opcode_t *) pc); \ | |
134 | switch (*(filter_opcode_t *) pc) { | |
135 | ||
53569322 MD |
136 | #define OP(name) jump_target_##name: __attribute__((unused)); \ |
137 | case name | |
97b58163 MD |
138 | |
139 | #define PO break | |
140 | ||
141 | #define END_OP } \ | |
142 | } | |
143 | ||
53569322 MD |
144 | #define JUMP_TO(name) \ |
145 | goto jump_target_##name | |
146 | ||
97b58163 MD |
147 | #else |
148 | ||
149 | /* | |
150 | * Dispatch-table based interpreter. | |
151 | */ | |
152 | ||
153 | #define START_OP \ | |
154 | start_pc = &bytecode->data[0]; \ | |
155 | pc = next_pc = start_pc; \ | |
156 | if (unlikely(pc - start_pc >= bytecode->len)) \ | |
157 | goto end; \ | |
158 | goto *dispatch[*(filter_opcode_t *) pc]; | |
159 | ||
160 | #define OP(name) \ | |
161 | LABEL_##name | |
162 | ||
163 | #define PO \ | |
164 | pc = next_pc; \ | |
165 | goto *dispatch[*(filter_opcode_t *) pc]; | |
166 | ||
167 | #define END_OP | |
168 | ||
53569322 MD |
169 | #define JUMP_TO(name) \ |
170 | goto LABEL_##name | |
171 | ||
97b58163 MD |
172 | #endif |
173 | ||
8a92ed2a MD |
174 | /* |
175 | * Return 0 (discard), or raise the 0x1 flag (log event). | |
176 | * Currently, other flags are kept for future extensions and have no | |
177 | * effect. | |
178 | */ | |
179 | uint64_t lttng_filter_interpret_bytecode(void *filter_data, | |
97b58163 MD |
180 | const char *filter_stack_data) |
181 | { | |
182 | struct bytecode_runtime *bytecode = filter_data; | |
53569322 | 183 | struct lttng_session *session = bytecode->p.session; |
97b58163 MD |
184 | void *pc, *next_pc, *start_pc; |
185 | int ret = -EINVAL; | |
8b82df15 | 186 | uint64_t retval = 0; |
0305960f MD |
187 | struct estack _stack; |
188 | struct estack *stack = &_stack; | |
9b33aac4 | 189 | register int64_t ax = 0, bx = 0; |
53569322 | 190 | register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; |
9b33aac4 | 191 | register int top = FILTER_STACK_EMPTY; |
97b58163 MD |
192 | #ifndef INTERPRETER_USE_SWITCH |
193 | static void *dispatch[NR_FILTER_OPS] = { | |
194 | [ FILTER_OP_UNKNOWN ] = &&LABEL_FILTER_OP_UNKNOWN, | |
195 | ||
196 | [ FILTER_OP_RETURN ] = &&LABEL_FILTER_OP_RETURN, | |
197 | ||
198 | /* binary */ | |
199 | [ FILTER_OP_MUL ] = &&LABEL_FILTER_OP_MUL, | |
200 | [ FILTER_OP_DIV ] = &&LABEL_FILTER_OP_DIV, | |
201 | [ FILTER_OP_MOD ] = &&LABEL_FILTER_OP_MOD, | |
202 | [ FILTER_OP_PLUS ] = &&LABEL_FILTER_OP_PLUS, | |
203 | [ FILTER_OP_MINUS ] = &&LABEL_FILTER_OP_MINUS, | |
204 | [ FILTER_OP_RSHIFT ] = &&LABEL_FILTER_OP_RSHIFT, | |
205 | [ FILTER_OP_LSHIFT ] = &&LABEL_FILTER_OP_LSHIFT, | |
206 | [ FILTER_OP_BIN_AND ] = &&LABEL_FILTER_OP_BIN_AND, | |
207 | [ FILTER_OP_BIN_OR ] = &&LABEL_FILTER_OP_BIN_OR, | |
208 | [ FILTER_OP_BIN_XOR ] = &&LABEL_FILTER_OP_BIN_XOR, | |
209 | ||
210 | /* binary comparators */ | |
211 | [ FILTER_OP_EQ ] = &&LABEL_FILTER_OP_EQ, | |
212 | [ FILTER_OP_NE ] = &&LABEL_FILTER_OP_NE, | |
213 | [ FILTER_OP_GT ] = &&LABEL_FILTER_OP_GT, | |
214 | [ FILTER_OP_LT ] = &&LABEL_FILTER_OP_LT, | |
215 | [ FILTER_OP_GE ] = &&LABEL_FILTER_OP_GE, | |
216 | [ FILTER_OP_LE ] = &&LABEL_FILTER_OP_LE, | |
217 | ||
218 | /* string binary comparator */ | |
219 | [ FILTER_OP_EQ_STRING ] = &&LABEL_FILTER_OP_EQ_STRING, | |
220 | [ FILTER_OP_NE_STRING ] = &&LABEL_FILTER_OP_NE_STRING, | |
221 | [ FILTER_OP_GT_STRING ] = &&LABEL_FILTER_OP_GT_STRING, | |
222 | [ FILTER_OP_LT_STRING ] = &&LABEL_FILTER_OP_LT_STRING, | |
223 | [ FILTER_OP_GE_STRING ] = &&LABEL_FILTER_OP_GE_STRING, | |
224 | [ FILTER_OP_LE_STRING ] = &&LABEL_FILTER_OP_LE_STRING, | |
225 | ||
226 | /* s64 binary comparator */ | |
227 | [ FILTER_OP_EQ_S64 ] = &&LABEL_FILTER_OP_EQ_S64, | |
228 | [ FILTER_OP_NE_S64 ] = &&LABEL_FILTER_OP_NE_S64, | |
229 | [ FILTER_OP_GT_S64 ] = &&LABEL_FILTER_OP_GT_S64, | |
230 | [ FILTER_OP_LT_S64 ] = &&LABEL_FILTER_OP_LT_S64, | |
231 | [ FILTER_OP_GE_S64 ] = &&LABEL_FILTER_OP_GE_S64, | |
232 | [ FILTER_OP_LE_S64 ] = &&LABEL_FILTER_OP_LE_S64, | |
233 | ||
234 | /* double binary comparator */ | |
235 | [ FILTER_OP_EQ_DOUBLE ] = &&LABEL_FILTER_OP_EQ_DOUBLE, | |
236 | [ FILTER_OP_NE_DOUBLE ] = &&LABEL_FILTER_OP_NE_DOUBLE, | |
237 | [ FILTER_OP_GT_DOUBLE ] = &&LABEL_FILTER_OP_GT_DOUBLE, | |
238 | [ FILTER_OP_LT_DOUBLE ] = &&LABEL_FILTER_OP_LT_DOUBLE, | |
239 | [ FILTER_OP_GE_DOUBLE ] = &&LABEL_FILTER_OP_GE_DOUBLE, | |
240 | [ FILTER_OP_LE_DOUBLE ] = &&LABEL_FILTER_OP_LE_DOUBLE, | |
241 | ||
dbea82ec MD |
242 | /* Mixed S64-double binary comparators */ |
243 | [ FILTER_OP_EQ_DOUBLE_S64 ] = &&LABEL_FILTER_OP_EQ_DOUBLE_S64, | |
244 | [ FILTER_OP_NE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_NE_DOUBLE_S64, | |
245 | [ FILTER_OP_GT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GT_DOUBLE_S64, | |
246 | [ FILTER_OP_LT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LT_DOUBLE_S64, | |
247 | [ FILTER_OP_GE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GE_DOUBLE_S64, | |
248 | [ FILTER_OP_LE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LE_DOUBLE_S64, | |
249 | ||
250 | [ FILTER_OP_EQ_S64_DOUBLE ] = &&LABEL_FILTER_OP_EQ_S64_DOUBLE, | |
251 | [ FILTER_OP_NE_S64_DOUBLE ] = &&LABEL_FILTER_OP_NE_S64_DOUBLE, | |
252 | [ FILTER_OP_GT_S64_DOUBLE ] = &&LABEL_FILTER_OP_GT_S64_DOUBLE, | |
253 | [ FILTER_OP_LT_S64_DOUBLE ] = &&LABEL_FILTER_OP_LT_S64_DOUBLE, | |
254 | [ FILTER_OP_GE_S64_DOUBLE ] = &&LABEL_FILTER_OP_GE_S64_DOUBLE, | |
255 | [ FILTER_OP_LE_S64_DOUBLE ] = &&LABEL_FILTER_OP_LE_S64_DOUBLE, | |
256 | ||
97b58163 MD |
257 | /* unary */ |
258 | [ FILTER_OP_UNARY_PLUS ] = &&LABEL_FILTER_OP_UNARY_PLUS, | |
259 | [ FILTER_OP_UNARY_MINUS ] = &&LABEL_FILTER_OP_UNARY_MINUS, | |
260 | [ FILTER_OP_UNARY_NOT ] = &&LABEL_FILTER_OP_UNARY_NOT, | |
261 | [ FILTER_OP_UNARY_PLUS_S64 ] = &&LABEL_FILTER_OP_UNARY_PLUS_S64, | |
262 | [ FILTER_OP_UNARY_MINUS_S64 ] = &&LABEL_FILTER_OP_UNARY_MINUS_S64, | |
263 | [ FILTER_OP_UNARY_NOT_S64 ] = &&LABEL_FILTER_OP_UNARY_NOT_S64, | |
264 | [ FILTER_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_PLUS_DOUBLE, | |
265 | [ FILTER_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_MINUS_DOUBLE, | |
266 | [ FILTER_OP_UNARY_NOT_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_NOT_DOUBLE, | |
267 | ||
268 | /* logical */ | |
269 | [ FILTER_OP_AND ] = &&LABEL_FILTER_OP_AND, | |
270 | [ FILTER_OP_OR ] = &&LABEL_FILTER_OP_OR, | |
271 | ||
77aa5901 | 272 | /* load field ref */ |
97b58163 MD |
273 | [ FILTER_OP_LOAD_FIELD_REF ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF, |
274 | [ FILTER_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_STRING, | |
275 | [ FILTER_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_SEQUENCE, | |
276 | [ FILTER_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_S64, | |
277 | [ FILTER_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_DOUBLE, | |
278 | ||
77aa5901 | 279 | /* load from immediate operand */ |
97b58163 MD |
280 | [ FILTER_OP_LOAD_STRING ] = &&LABEL_FILTER_OP_LOAD_STRING, |
281 | [ FILTER_OP_LOAD_S64 ] = &&LABEL_FILTER_OP_LOAD_S64, | |
282 | [ FILTER_OP_LOAD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_DOUBLE, | |
283 | ||
284 | /* cast */ | |
285 | [ FILTER_OP_CAST_TO_S64 ] = &&LABEL_FILTER_OP_CAST_TO_S64, | |
286 | [ FILTER_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_FILTER_OP_CAST_DOUBLE_TO_S64, | |
287 | [ FILTER_OP_CAST_NOP ] = &&LABEL_FILTER_OP_CAST_NOP, | |
77aa5901 MD |
288 | |
289 | /* get context ref */ | |
290 | [ FILTER_OP_GET_CONTEXT_REF ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF, | |
291 | [ FILTER_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_STRING, | |
292 | [ FILTER_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_S64, | |
293 | [ FILTER_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_DOUBLE, | |
97b58163 MD |
294 | }; |
295 | #endif /* #ifndef INTERPRETER_USE_SWITCH */ | |
296 | ||
297 | START_OP | |
298 | ||
299 | OP(FILTER_OP_UNKNOWN): | |
300 | OP(FILTER_OP_LOAD_FIELD_REF): | |
301 | #ifdef INTERPRETER_USE_SWITCH | |
302 | default: | |
303 | #endif /* INTERPRETER_USE_SWITCH */ | |
304 | ERR("unknown bytecode op %u\n", | |
305 | (unsigned int) *(filter_opcode_t *) pc); | |
306 | ret = -EINVAL; | |
307 | goto end; | |
308 | ||
309 | OP(FILTER_OP_RETURN): | |
8a92ed2a | 310 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
9b33aac4 | 311 | retval = !!estack_ax_v; |
97b58163 MD |
312 | ret = 0; |
313 | goto end; | |
314 | ||
315 | /* binary */ | |
316 | OP(FILTER_OP_MUL): | |
317 | OP(FILTER_OP_DIV): | |
318 | OP(FILTER_OP_MOD): | |
319 | OP(FILTER_OP_PLUS): | |
320 | OP(FILTER_OP_MINUS): | |
321 | OP(FILTER_OP_RSHIFT): | |
322 | OP(FILTER_OP_LSHIFT): | |
323 | OP(FILTER_OP_BIN_AND): | |
324 | OP(FILTER_OP_BIN_OR): | |
325 | OP(FILTER_OP_BIN_XOR): | |
326 | ERR("unsupported bytecode op %u\n", | |
327 | (unsigned int) *(filter_opcode_t *) pc); | |
328 | ret = -EINVAL; | |
329 | goto end; | |
330 | ||
331 | OP(FILTER_OP_EQ): | |
53569322 MD |
332 | { |
333 | /* Dynamic typing. */ | |
334 | switch (estack_ax_t) { | |
335 | case REG_S64: | |
336 | switch (estack_bx_t) { | |
337 | case REG_S64: | |
338 | JUMP_TO(FILTER_OP_EQ_S64); | |
339 | case REG_DOUBLE: | |
340 | JUMP_TO(FILTER_OP_EQ_DOUBLE_S64); | |
341 | case REG_STRING: | |
342 | ret = -EINVAL; | |
343 | goto end; | |
344 | default: | |
345 | ERR("Unknown filter register type (%d)", | |
346 | (int) estack_bx_t); | |
347 | ret = -EINVAL; | |
348 | goto end; | |
349 | } | |
350 | break; | |
351 | case REG_DOUBLE: | |
352 | switch (estack_bx_t) { | |
353 | case REG_S64: | |
354 | JUMP_TO(FILTER_OP_EQ_S64_DOUBLE); | |
355 | case REG_DOUBLE: | |
356 | JUMP_TO(FILTER_OP_EQ_DOUBLE); | |
357 | case REG_STRING: | |
358 | ret = -EINVAL; | |
359 | goto end; | |
360 | default: | |
361 | ERR("Unknown filter register type (%d)", | |
362 | (int) estack_bx_t); | |
363 | ret = -EINVAL; | |
364 | goto end; | |
365 | } | |
366 | break; | |
367 | case REG_STRING: | |
368 | switch (estack_bx_t) { | |
369 | case REG_S64: /* Fall-through */ | |
370 | case REG_DOUBLE: | |
371 | ret = -EINVAL; | |
372 | goto end; | |
373 | case REG_STRING: | |
374 | JUMP_TO(FILTER_OP_EQ_STRING); | |
375 | default: | |
376 | ERR("Unknown filter register type (%d)", | |
377 | (int) estack_bx_t); | |
378 | ret = -EINVAL; | |
379 | goto end; | |
380 | } | |
381 | break; | |
382 | default: | |
383 | ERR("Unknown filter register type (%d)", | |
384 | (int) estack_ax_t); | |
385 | ret = -EINVAL; | |
386 | goto end; | |
387 | } | |
388 | } | |
97b58163 | 389 | OP(FILTER_OP_NE): |
53569322 MD |
390 | { |
391 | /* Dynamic typing. */ | |
392 | switch (estack_ax_t) { | |
393 | case REG_S64: | |
394 | switch (estack_bx_t) { | |
395 | case REG_S64: | |
396 | JUMP_TO(FILTER_OP_NE_S64); | |
397 | case REG_DOUBLE: | |
398 | JUMP_TO(FILTER_OP_NE_DOUBLE_S64); | |
399 | case REG_STRING: | |
400 | ret = -EINVAL; | |
401 | goto end; | |
402 | default: | |
403 | ERR("Unknown filter register type (%d)", | |
404 | (int) estack_bx_t); | |
405 | ret = -EINVAL; | |
406 | goto end; | |
407 | } | |
408 | break; | |
409 | case REG_DOUBLE: | |
410 | switch (estack_bx_t) { | |
411 | case REG_S64: | |
412 | JUMP_TO(FILTER_OP_NE_S64_DOUBLE); | |
413 | case REG_DOUBLE: | |
414 | JUMP_TO(FILTER_OP_NE_DOUBLE); | |
415 | case REG_STRING: | |
416 | ret = -EINVAL; | |
417 | goto end; | |
418 | default: | |
419 | ERR("Unknown filter register type (%d)", | |
420 | (int) estack_bx_t); | |
421 | ret = -EINVAL; | |
422 | goto end; | |
423 | } | |
424 | break; | |
425 | case REG_STRING: | |
426 | switch (estack_bx_t) { | |
427 | case REG_S64: /* Fall-through */ | |
428 | case REG_DOUBLE: | |
429 | ret = -EINVAL; | |
430 | goto end; | |
431 | case REG_STRING: | |
432 | JUMP_TO(FILTER_OP_NE_STRING); | |
433 | default: | |
434 | ERR("Unknown filter register type (%d)", | |
435 | (int) estack_bx_t); | |
436 | ret = -EINVAL; | |
437 | goto end; | |
438 | } | |
439 | break; | |
440 | default: | |
441 | ERR("Unknown filter register type (%d)", | |
442 | (int) estack_ax_t); | |
443 | ret = -EINVAL; | |
444 | goto end; | |
445 | } | |
446 | } | |
97b58163 | 447 | OP(FILTER_OP_GT): |
53569322 MD |
448 | { |
449 | /* Dynamic typing. */ | |
450 | switch (estack_ax_t) { | |
451 | case REG_S64: | |
452 | switch (estack_bx_t) { | |
453 | case REG_S64: | |
454 | JUMP_TO(FILTER_OP_GT_S64); | |
455 | case REG_DOUBLE: | |
456 | JUMP_TO(FILTER_OP_GT_DOUBLE_S64); | |
457 | case REG_STRING: | |
458 | ret = -EINVAL; | |
459 | goto end; | |
460 | default: | |
461 | ERR("Unknown filter register type (%d)", | |
462 | (int) estack_bx_t); | |
463 | ret = -EINVAL; | |
464 | goto end; | |
465 | } | |
466 | break; | |
467 | case REG_DOUBLE: | |
468 | switch (estack_bx_t) { | |
469 | case REG_S64: | |
470 | JUMP_TO(FILTER_OP_GT_S64_DOUBLE); | |
471 | case REG_DOUBLE: | |
472 | JUMP_TO(FILTER_OP_GT_DOUBLE); | |
473 | case REG_STRING: | |
474 | ret = -EINVAL; | |
475 | goto end; | |
476 | default: | |
477 | ERR("Unknown filter register type (%d)", | |
478 | (int) estack_bx_t); | |
479 | ret = -EINVAL; | |
480 | goto end; | |
481 | } | |
482 | break; | |
483 | case REG_STRING: | |
484 | switch (estack_bx_t) { | |
485 | case REG_S64: /* Fall-through */ | |
486 | case REG_DOUBLE: | |
487 | ret = -EINVAL; | |
488 | goto end; | |
489 | case REG_STRING: | |
490 | JUMP_TO(FILTER_OP_GT_STRING); | |
491 | default: | |
492 | ERR("Unknown filter register type (%d)", | |
493 | (int) estack_bx_t); | |
494 | ret = -EINVAL; | |
495 | goto end; | |
496 | } | |
497 | break; | |
498 | default: | |
499 | ERR("Unknown filter register type (%d)", | |
500 | (int) estack_ax_t); | |
501 | ret = -EINVAL; | |
502 | goto end; | |
503 | } | |
504 | } | |
97b58163 | 505 | OP(FILTER_OP_LT): |
53569322 MD |
506 | { |
507 | /* Dynamic typing. */ | |
508 | switch (estack_ax_t) { | |
509 | case REG_S64: | |
510 | switch (estack_bx_t) { | |
511 | case REG_S64: | |
512 | JUMP_TO(FILTER_OP_LT_S64); | |
513 | case REG_DOUBLE: | |
514 | JUMP_TO(FILTER_OP_LT_DOUBLE_S64); | |
515 | case REG_STRING: | |
516 | ret = -EINVAL; | |
517 | goto end; | |
518 | default: | |
519 | ERR("Unknown filter register type (%d)", | |
520 | (int) estack_bx_t); | |
521 | ret = -EINVAL; | |
522 | goto end; | |
523 | } | |
524 | break; | |
525 | case REG_DOUBLE: | |
526 | switch (estack_bx_t) { | |
527 | case REG_S64: | |
528 | JUMP_TO(FILTER_OP_LT_S64_DOUBLE); | |
529 | case REG_DOUBLE: | |
530 | JUMP_TO(FILTER_OP_LT_DOUBLE); | |
531 | case REG_STRING: | |
532 | ret = -EINVAL; | |
533 | goto end; | |
534 | default: | |
535 | ERR("Unknown filter register type (%d)", | |
536 | (int) estack_bx_t); | |
537 | ret = -EINVAL; | |
538 | goto end; | |
539 | } | |
540 | break; | |
541 | case REG_STRING: | |
542 | switch (estack_bx_t) { | |
543 | case REG_S64: /* Fall-through */ | |
544 | case REG_DOUBLE: | |
545 | ret = -EINVAL; | |
546 | goto end; | |
547 | case REG_STRING: | |
548 | JUMP_TO(FILTER_OP_LT_STRING); | |
549 | default: | |
550 | ERR("Unknown filter register type (%d)", | |
551 | (int) estack_bx_t); | |
552 | ret = -EINVAL; | |
553 | goto end; | |
554 | } | |
555 | break; | |
556 | default: | |
557 | ERR("Unknown filter register type (%d)", | |
558 | (int) estack_ax_t); | |
559 | ret = -EINVAL; | |
560 | goto end; | |
561 | } | |
562 | } | |
97b58163 | 563 | OP(FILTER_OP_GE): |
53569322 MD |
564 | { |
565 | /* Dynamic typing. */ | |
566 | switch (estack_ax_t) { | |
567 | case REG_S64: | |
568 | switch (estack_bx_t) { | |
569 | case REG_S64: | |
570 | JUMP_TO(FILTER_OP_GE_S64); | |
571 | case REG_DOUBLE: | |
572 | JUMP_TO(FILTER_OP_GE_DOUBLE_S64); | |
573 | case REG_STRING: | |
574 | ret = -EINVAL; | |
575 | goto end; | |
576 | default: | |
577 | ERR("Unknown filter register type (%d)", | |
578 | (int) estack_bx_t); | |
579 | ret = -EINVAL; | |
580 | goto end; | |
581 | } | |
582 | break; | |
583 | case REG_DOUBLE: | |
584 | switch (estack_bx_t) { | |
585 | case REG_S64: | |
586 | JUMP_TO(FILTER_OP_GE_S64_DOUBLE); | |
587 | case REG_DOUBLE: | |
588 | JUMP_TO(FILTER_OP_GE_DOUBLE); | |
589 | case REG_STRING: | |
590 | ret = -EINVAL; | |
591 | goto end; | |
592 | default: | |
593 | ERR("Unknown filter register type (%d)", | |
594 | (int) estack_bx_t); | |
595 | ret = -EINVAL; | |
596 | goto end; | |
597 | } | |
598 | break; | |
599 | case REG_STRING: | |
600 | switch (estack_bx_t) { | |
601 | case REG_S64: /* Fall-through */ | |
602 | case REG_DOUBLE: | |
603 | ret = -EINVAL; | |
604 | goto end; | |
605 | case REG_STRING: | |
606 | JUMP_TO(FILTER_OP_GE_STRING); | |
607 | default: | |
608 | ERR("Unknown filter register type (%d)", | |
609 | (int) estack_bx_t); | |
610 | ret = -EINVAL; | |
611 | goto end; | |
612 | } | |
613 | break; | |
614 | default: | |
615 | ERR("Unknown filter register type (%d)", | |
616 | (int) estack_ax_t); | |
617 | ret = -EINVAL; | |
618 | goto end; | |
619 | } | |
620 | } | |
97b58163 | 621 | OP(FILTER_OP_LE): |
53569322 MD |
622 | { |
623 | /* Dynamic typing. */ | |
624 | switch (estack_ax_t) { | |
625 | case REG_S64: | |
626 | switch (estack_bx_t) { | |
627 | case REG_S64: | |
628 | JUMP_TO(FILTER_OP_LE_S64); | |
629 | case REG_DOUBLE: | |
630 | JUMP_TO(FILTER_OP_LE_DOUBLE_S64); | |
631 | case REG_STRING: | |
632 | ret = -EINVAL; | |
633 | goto end; | |
634 | default: | |
635 | ERR("Unknown filter register type (%d)", | |
636 | (int) estack_bx_t); | |
637 | ret = -EINVAL; | |
638 | goto end; | |
639 | } | |
640 | break; | |
641 | case REG_DOUBLE: | |
642 | switch (estack_bx_t) { | |
643 | case REG_S64: | |
644 | JUMP_TO(FILTER_OP_LE_S64_DOUBLE); | |
645 | case REG_DOUBLE: | |
646 | JUMP_TO(FILTER_OP_LE_DOUBLE); | |
647 | case REG_STRING: | |
648 | ret = -EINVAL; | |
649 | goto end; | |
650 | default: | |
651 | ERR("Unknown filter register type (%d)", | |
652 | (int) estack_bx_t); | |
653 | ret = -EINVAL; | |
654 | goto end; | |
655 | } | |
656 | break; | |
657 | case REG_STRING: | |
658 | switch (estack_bx_t) { | |
659 | case REG_S64: /* Fall-through */ | |
660 | case REG_DOUBLE: | |
661 | ret = -EINVAL; | |
662 | goto end; | |
663 | case REG_STRING: | |
664 | JUMP_TO(FILTER_OP_LE_STRING); | |
665 | default: | |
666 | ERR("Unknown filter register type (%d)", | |
667 | (int) estack_bx_t); | |
668 | ret = -EINVAL; | |
669 | goto end; | |
670 | } | |
671 | break; | |
672 | default: | |
673 | ERR("Unknown filter register type (%d)", | |
674 | (int) estack_ax_t); | |
675 | ret = -EINVAL; | |
676 | goto end; | |
677 | } | |
678 | } | |
97b58163 MD |
679 | |
680 | OP(FILTER_OP_EQ_STRING): | |
681 | { | |
0305960f MD |
682 | int res; |
683 | ||
9b33aac4 | 684 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 685 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 686 | estack_ax_v = res; |
53569322 | 687 | estack_ax_t = REG_S64; |
97b58163 MD |
688 | next_pc += sizeof(struct binary_op); |
689 | PO; | |
690 | } | |
691 | OP(FILTER_OP_NE_STRING): | |
692 | { | |
0305960f MD |
693 | int res; |
694 | ||
9b33aac4 | 695 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 696 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 697 | estack_ax_v = res; |
53569322 | 698 | estack_ax_t = REG_S64; |
97b58163 MD |
699 | next_pc += sizeof(struct binary_op); |
700 | PO; | |
701 | } | |
702 | OP(FILTER_OP_GT_STRING): | |
703 | { | |
0305960f MD |
704 | int res; |
705 | ||
9b33aac4 | 706 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 707 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 708 | estack_ax_v = res; |
53569322 | 709 | estack_ax_t = REG_S64; |
97b58163 MD |
710 | next_pc += sizeof(struct binary_op); |
711 | PO; | |
712 | } | |
713 | OP(FILTER_OP_LT_STRING): | |
714 | { | |
0305960f MD |
715 | int res; |
716 | ||
9b33aac4 | 717 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 718 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 719 | estack_ax_v = res; |
53569322 | 720 | estack_ax_t = REG_S64; |
97b58163 MD |
721 | next_pc += sizeof(struct binary_op); |
722 | PO; | |
723 | } | |
724 | OP(FILTER_OP_GE_STRING): | |
725 | { | |
0305960f MD |
726 | int res; |
727 | ||
9b33aac4 | 728 | res = (stack_strcmp(stack, top, ">=") >= 0); |
53569322 | 729 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 730 | estack_ax_v = res; |
53569322 | 731 | estack_ax_t = REG_S64; |
97b58163 MD |
732 | next_pc += sizeof(struct binary_op); |
733 | PO; | |
734 | } | |
735 | OP(FILTER_OP_LE_STRING): | |
736 | { | |
0305960f MD |
737 | int res; |
738 | ||
9b33aac4 | 739 | res = (stack_strcmp(stack, top, "<=") <= 0); |
53569322 | 740 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 741 | estack_ax_v = res; |
53569322 | 742 | estack_ax_t = REG_S64; |
97b58163 MD |
743 | next_pc += sizeof(struct binary_op); |
744 | PO; | |
745 | } | |
746 | ||
747 | OP(FILTER_OP_EQ_S64): | |
748 | { | |
0305960f MD |
749 | int res; |
750 | ||
9b33aac4 | 751 | res = (estack_bx_v == estack_ax_v); |
53569322 | 752 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 753 | estack_ax_v = res; |
53569322 | 754 | estack_ax_t = REG_S64; |
97b58163 MD |
755 | next_pc += sizeof(struct binary_op); |
756 | PO; | |
757 | } | |
758 | OP(FILTER_OP_NE_S64): | |
759 | { | |
0305960f MD |
760 | int res; |
761 | ||
9b33aac4 | 762 | res = (estack_bx_v != estack_ax_v); |
53569322 | 763 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 764 | estack_ax_v = res; |
53569322 | 765 | estack_ax_t = REG_S64; |
97b58163 MD |
766 | next_pc += sizeof(struct binary_op); |
767 | PO; | |
768 | } | |
769 | OP(FILTER_OP_GT_S64): | |
770 | { | |
0305960f MD |
771 | int res; |
772 | ||
9b33aac4 | 773 | res = (estack_bx_v > estack_ax_v); |
53569322 | 774 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 775 | estack_ax_v = res; |
53569322 | 776 | estack_ax_t = REG_S64; |
97b58163 MD |
777 | next_pc += sizeof(struct binary_op); |
778 | PO; | |
779 | } | |
780 | OP(FILTER_OP_LT_S64): | |
781 | { | |
0305960f MD |
782 | int res; |
783 | ||
9b33aac4 | 784 | res = (estack_bx_v < estack_ax_v); |
53569322 | 785 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 786 | estack_ax_v = res; |
53569322 | 787 | estack_ax_t = REG_S64; |
97b58163 MD |
788 | next_pc += sizeof(struct binary_op); |
789 | PO; | |
790 | } | |
791 | OP(FILTER_OP_GE_S64): | |
792 | { | |
0305960f MD |
793 | int res; |
794 | ||
9b33aac4 | 795 | res = (estack_bx_v >= estack_ax_v); |
53569322 | 796 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 797 | estack_ax_v = res; |
53569322 | 798 | estack_ax_t = REG_S64; |
97b58163 MD |
799 | next_pc += sizeof(struct binary_op); |
800 | PO; | |
801 | } | |
802 | OP(FILTER_OP_LE_S64): | |
803 | { | |
0305960f MD |
804 | int res; |
805 | ||
9b33aac4 | 806 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 807 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 808 | estack_ax_v = res; |
53569322 | 809 | estack_ax_t = REG_S64; |
97b58163 MD |
810 | next_pc += sizeof(struct binary_op); |
811 | PO; | |
812 | } | |
813 | ||
814 | OP(FILTER_OP_EQ_DOUBLE): | |
815 | { | |
0305960f MD |
816 | int res; |
817 | ||
9b33aac4 | 818 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 819 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 820 | estack_ax_v = res; |
53569322 | 821 | estack_ax_t = REG_S64; |
97b58163 MD |
822 | next_pc += sizeof(struct binary_op); |
823 | PO; | |
824 | } | |
825 | OP(FILTER_OP_NE_DOUBLE): | |
826 | { | |
0305960f MD |
827 | int res; |
828 | ||
9b33aac4 | 829 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 830 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 831 | estack_ax_v = res; |
53569322 | 832 | estack_ax_t = REG_S64; |
97b58163 MD |
833 | next_pc += sizeof(struct binary_op); |
834 | PO; | |
835 | } | |
836 | OP(FILTER_OP_GT_DOUBLE): | |
837 | { | |
0305960f MD |
838 | int res; |
839 | ||
9b33aac4 | 840 | res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); |
53569322 | 841 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 842 | estack_ax_v = res; |
53569322 | 843 | estack_ax_t = REG_S64; |
97b58163 MD |
844 | next_pc += sizeof(struct binary_op); |
845 | PO; | |
846 | } | |
847 | OP(FILTER_OP_LT_DOUBLE): | |
848 | { | |
0305960f MD |
849 | int res; |
850 | ||
9b33aac4 | 851 | res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); |
53569322 | 852 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 853 | estack_ax_v = res; |
53569322 | 854 | estack_ax_t = REG_S64; |
97b58163 MD |
855 | next_pc += sizeof(struct binary_op); |
856 | PO; | |
857 | } | |
858 | OP(FILTER_OP_GE_DOUBLE): | |
859 | { | |
0305960f MD |
860 | int res; |
861 | ||
9b33aac4 | 862 | res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); |
53569322 | 863 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 864 | estack_ax_v = res; |
53569322 | 865 | estack_ax_t = REG_S64; |
97b58163 MD |
866 | next_pc += sizeof(struct binary_op); |
867 | PO; | |
868 | } | |
869 | OP(FILTER_OP_LE_DOUBLE): | |
870 | { | |
0305960f MD |
871 | int res; |
872 | ||
9b33aac4 | 873 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 874 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 875 | estack_ax_v = res; |
53569322 | 876 | estack_ax_t = REG_S64; |
dbea82ec MD |
877 | next_pc += sizeof(struct binary_op); |
878 | PO; | |
879 | } | |
880 | ||
881 | /* Mixed S64-double binary comparators */ | |
882 | OP(FILTER_OP_EQ_DOUBLE_S64): | |
883 | { | |
884 | int res; | |
885 | ||
9b33aac4 | 886 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
53569322 | 887 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 888 | estack_ax_v = res; |
53569322 | 889 | estack_ax_t = REG_S64; |
dbea82ec MD |
890 | next_pc += sizeof(struct binary_op); |
891 | PO; | |
892 | } | |
893 | OP(FILTER_OP_NE_DOUBLE_S64): | |
894 | { | |
895 | int res; | |
896 | ||
9b33aac4 | 897 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
53569322 | 898 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 899 | estack_ax_v = res; |
53569322 | 900 | estack_ax_t = REG_S64; |
dbea82ec MD |
901 | next_pc += sizeof(struct binary_op); |
902 | PO; | |
903 | } | |
904 | OP(FILTER_OP_GT_DOUBLE_S64): | |
905 | { | |
906 | int res; | |
907 | ||
9b33aac4 | 908 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
53569322 | 909 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 910 | estack_ax_v = res; |
53569322 | 911 | estack_ax_t = REG_S64; |
dbea82ec MD |
912 | next_pc += sizeof(struct binary_op); |
913 | PO; | |
914 | } | |
915 | OP(FILTER_OP_LT_DOUBLE_S64): | |
916 | { | |
917 | int res; | |
918 | ||
9b33aac4 | 919 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 920 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 921 | estack_ax_v = res; |
53569322 | 922 | estack_ax_t = REG_S64; |
dbea82ec MD |
923 | next_pc += sizeof(struct binary_op); |
924 | PO; | |
925 | } | |
926 | OP(FILTER_OP_GE_DOUBLE_S64): | |
927 | { | |
928 | int res; | |
929 | ||
9b33aac4 | 930 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 931 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 932 | estack_ax_v = res; |
53569322 | 933 | estack_ax_t = REG_S64; |
dbea82ec MD |
934 | next_pc += sizeof(struct binary_op); |
935 | PO; | |
936 | } | |
937 | OP(FILTER_OP_LE_DOUBLE_S64): | |
938 | { | |
939 | int res; | |
940 | ||
9b33aac4 | 941 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 942 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 943 | estack_ax_v = res; |
53569322 | 944 | estack_ax_t = REG_S64; |
dbea82ec MD |
945 | next_pc += sizeof(struct binary_op); |
946 | PO; | |
947 | } | |
948 | ||
949 | OP(FILTER_OP_EQ_S64_DOUBLE): | |
950 | { | |
951 | int res; | |
952 | ||
9b33aac4 | 953 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 954 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 955 | estack_ax_v = res; |
53569322 | 956 | estack_ax_t = REG_S64; |
dbea82ec MD |
957 | next_pc += sizeof(struct binary_op); |
958 | PO; | |
959 | } | |
960 | OP(FILTER_OP_NE_S64_DOUBLE): | |
961 | { | |
962 | int res; | |
963 | ||
9b33aac4 | 964 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 965 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 966 | estack_ax_v = res; |
53569322 | 967 | estack_ax_t = REG_S64; |
dbea82ec MD |
968 | next_pc += sizeof(struct binary_op); |
969 | PO; | |
970 | } | |
971 | OP(FILTER_OP_GT_S64_DOUBLE): | |
972 | { | |
973 | int res; | |
974 | ||
9b33aac4 | 975 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 976 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 977 | estack_ax_v = res; |
53569322 | 978 | estack_ax_t = REG_S64; |
dbea82ec MD |
979 | next_pc += sizeof(struct binary_op); |
980 | PO; | |
981 | } | |
982 | OP(FILTER_OP_LT_S64_DOUBLE): | |
983 | { | |
984 | int res; | |
985 | ||
9b33aac4 | 986 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 987 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 988 | estack_ax_v = res; |
53569322 | 989 | estack_ax_t = REG_S64; |
dbea82ec MD |
990 | next_pc += sizeof(struct binary_op); |
991 | PO; | |
992 | } | |
993 | OP(FILTER_OP_GE_S64_DOUBLE): | |
994 | { | |
995 | int res; | |
996 | ||
9b33aac4 | 997 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 998 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 999 | estack_ax_v = res; |
53569322 | 1000 | estack_ax_t = REG_S64; |
dbea82ec MD |
1001 | next_pc += sizeof(struct binary_op); |
1002 | PO; | |
1003 | } | |
1004 | OP(FILTER_OP_LE_S64_DOUBLE): | |
1005 | { | |
1006 | int res; | |
1007 | ||
9b33aac4 | 1008 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1009 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1010 | estack_ax_v = res; |
53569322 | 1011 | estack_ax_t = REG_S64; |
97b58163 MD |
1012 | next_pc += sizeof(struct binary_op); |
1013 | PO; | |
1014 | } | |
1015 | ||
1016 | /* unary */ | |
1017 | OP(FILTER_OP_UNARY_PLUS): | |
53569322 MD |
1018 | { |
1019 | /* Dynamic typing. */ | |
1020 | switch (estack_ax_t) { | |
1021 | case REG_S64: /* Fall-through. */ | |
1022 | JUMP_TO(FILTER_OP_UNARY_PLUS_S64); | |
1023 | case REG_DOUBLE: | |
1024 | JUMP_TO(FILTER_OP_UNARY_PLUS_DOUBLE); | |
1025 | case REG_STRING: | |
1026 | ret = -EINVAL; | |
1027 | goto end; | |
1028 | default: | |
1029 | ERR("Unknown filter register type (%d)", | |
1030 | (int) estack_ax_t); | |
1031 | ret = -EINVAL; | |
1032 | goto end; | |
1033 | } | |
1034 | } | |
97b58163 | 1035 | OP(FILTER_OP_UNARY_MINUS): |
53569322 MD |
1036 | { |
1037 | /* Dynamic typing. */ | |
1038 | switch (estack_ax_t) { | |
1039 | case REG_S64: | |
1040 | JUMP_TO(FILTER_OP_UNARY_MINUS_S64); | |
1041 | case REG_DOUBLE: | |
1042 | JUMP_TO(FILTER_OP_UNARY_MINUS_DOUBLE); | |
1043 | case REG_STRING: | |
1044 | ret = -EINVAL; | |
1045 | goto end; | |
1046 | default: | |
1047 | ERR("Unknown filter register type (%d)", | |
1048 | (int) estack_ax_t); | |
1049 | ret = -EINVAL; | |
1050 | goto end; | |
1051 | } | |
1052 | } | |
97b58163 | 1053 | OP(FILTER_OP_UNARY_NOT): |
53569322 MD |
1054 | { |
1055 | /* Dynamic typing. */ | |
1056 | switch (estack_ax_t) { | |
1057 | case REG_S64: | |
1058 | JUMP_TO(FILTER_OP_UNARY_NOT_S64); | |
1059 | case REG_DOUBLE: | |
1060 | JUMP_TO(FILTER_OP_UNARY_NOT_DOUBLE); | |
1061 | case REG_STRING: | |
1062 | ret = -EINVAL; | |
1063 | goto end; | |
1064 | default: | |
1065 | ERR("Unknown filter register type (%d)", | |
1066 | (int) estack_ax_t); | |
1067 | ret = -EINVAL; | |
1068 | goto end; | |
1069 | } | |
1070 | next_pc += sizeof(struct unary_op); | |
1071 | PO; | |
1072 | } | |
97b58163 MD |
1073 | |
1074 | OP(FILTER_OP_UNARY_PLUS_S64): | |
1075 | OP(FILTER_OP_UNARY_PLUS_DOUBLE): | |
1076 | { | |
1077 | next_pc += sizeof(struct unary_op); | |
1078 | PO; | |
1079 | } | |
1080 | OP(FILTER_OP_UNARY_MINUS_S64): | |
1081 | { | |
9b33aac4 | 1082 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1083 | next_pc += sizeof(struct unary_op); |
1084 | PO; | |
1085 | } | |
1086 | OP(FILTER_OP_UNARY_MINUS_DOUBLE): | |
1087 | { | |
9b33aac4 | 1088 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1089 | next_pc += sizeof(struct unary_op); |
1090 | PO; | |
1091 | } | |
1092 | OP(FILTER_OP_UNARY_NOT_S64): | |
1093 | { | |
9b33aac4 | 1094 | estack_ax_v = !estack_ax_v; |
97b58163 MD |
1095 | next_pc += sizeof(struct unary_op); |
1096 | PO; | |
1097 | } | |
1098 | OP(FILTER_OP_UNARY_NOT_DOUBLE): | |
1099 | { | |
53569322 MD |
1100 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1101 | estack_ax_t = REG_S64; | |
97b58163 MD |
1102 | next_pc += sizeof(struct unary_op); |
1103 | PO; | |
1104 | } | |
1105 | ||
1106 | /* logical */ | |
1107 | OP(FILTER_OP_AND): | |
1108 | { | |
1109 | struct logical_op *insn = (struct logical_op *) pc; | |
1110 | ||
53569322 MD |
1111 | if (estack_ax_t != REG_S64) { |
1112 | ret = -EINVAL; | |
1113 | goto end; | |
1114 | } | |
0305960f | 1115 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1116 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1117 | dbg_printf("Jumping to bytecode offset %u\n", |
1118 | (unsigned int) insn->skip_offset); | |
1119 | next_pc = start_pc + insn->skip_offset; | |
1120 | } else { | |
71c1ceeb | 1121 | /* Pop 1 when jump not taken */ |
53569322 | 1122 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1123 | next_pc += sizeof(struct logical_op); |
1124 | } | |
1125 | PO; | |
1126 | } | |
1127 | OP(FILTER_OP_OR): | |
1128 | { | |
1129 | struct logical_op *insn = (struct logical_op *) pc; | |
1130 | ||
53569322 MD |
1131 | if (estack_ax_t != REG_S64) { |
1132 | ret = -EINVAL; | |
1133 | goto end; | |
1134 | } | |
0305960f | 1135 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1136 | if (unlikely(estack_ax_v != 0)) { |
1137 | estack_ax_v = 1; | |
97b58163 MD |
1138 | dbg_printf("Jumping to bytecode offset %u\n", |
1139 | (unsigned int) insn->skip_offset); | |
1140 | next_pc = start_pc + insn->skip_offset; | |
1141 | } else { | |
71c1ceeb | 1142 | /* Pop 1 when jump not taken */ |
53569322 | 1143 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1144 | next_pc += sizeof(struct logical_op); |
1145 | } | |
1146 | PO; | |
1147 | } | |
1148 | ||
1149 | ||
77aa5901 | 1150 | /* load field ref */ |
97b58163 MD |
1151 | OP(FILTER_OP_LOAD_FIELD_REF_STRING): |
1152 | { | |
1153 | struct load_op *insn = (struct load_op *) pc; | |
1154 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1155 | ||
1156 | dbg_printf("load field ref offset %u type string\n", | |
1157 | ref->offset); | |
53569322 | 1158 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1159 | estack_ax(stack, top)->u.s.str = |
97b58163 | 1160 | *(const char * const *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1161 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1162 | dbg_printf("Filter warning: loading a NULL string.\n"); |
1163 | ret = -EINVAL; | |
1164 | goto end; | |
1165 | } | |
9b33aac4 MD |
1166 | estack_ax(stack, top)->u.s.seq_len = UINT_MAX; |
1167 | estack_ax(stack, top)->u.s.literal = 0; | |
53569322 | 1168 | estack_ax_t = REG_STRING; |
9b33aac4 | 1169 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1170 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1171 | PO; | |
1172 | } | |
1173 | ||
1174 | OP(FILTER_OP_LOAD_FIELD_REF_SEQUENCE): | |
1175 | { | |
1176 | struct load_op *insn = (struct load_op *) pc; | |
1177 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1178 | ||
1179 | dbg_printf("load field ref offset %u type sequence\n", | |
1180 | ref->offset); | |
53569322 | 1181 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1182 | estack_ax(stack, top)->u.s.seq_len = |
97b58163 | 1183 | *(unsigned long *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1184 | estack_ax(stack, top)->u.s.str = |
97b58163 MD |
1185 | *(const char **) (&filter_stack_data[ref->offset |
1186 | + sizeof(unsigned long)]); | |
53569322 | 1187 | estack_ax_t = REG_STRING; |
9b33aac4 | 1188 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1189 | dbg_printf("Filter warning: loading a NULL sequence.\n"); |
1190 | ret = -EINVAL; | |
1191 | goto end; | |
1192 | } | |
9b33aac4 | 1193 | estack_ax(stack, top)->u.s.literal = 0; |
97b58163 MD |
1194 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1195 | PO; | |
1196 | } | |
1197 | ||
1198 | OP(FILTER_OP_LOAD_FIELD_REF_S64): | |
1199 | { | |
1200 | struct load_op *insn = (struct load_op *) pc; | |
1201 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1202 | ||
1203 | dbg_printf("load field ref offset %u type s64\n", | |
1204 | ref->offset); | |
53569322 | 1205 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 MD |
1206 | estack_ax_v = |
1207 | ((struct literal_numeric *) &filter_stack_data[ref->offset])->v; | |
53569322 | 1208 | estack_ax_t = REG_S64; |
9b33aac4 | 1209 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1210 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1211 | PO; | |
1212 | } | |
1213 | ||
1214 | OP(FILTER_OP_LOAD_FIELD_REF_DOUBLE): | |
1215 | { | |
1216 | struct load_op *insn = (struct load_op *) pc; | |
1217 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1218 | ||
1219 | dbg_printf("load field ref offset %u type double\n", | |
1220 | ref->offset); | |
53569322 | 1221 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1222 | memcpy(&estack_ax(stack, top)->u.d, &filter_stack_data[ref->offset], |
97b58163 | 1223 | sizeof(struct literal_double)); |
53569322 | 1224 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 1225 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
1226 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1227 | PO; | |
1228 | } | |
1229 | ||
77aa5901 | 1230 | /* load from immediate operand */ |
97b58163 MD |
1231 | OP(FILTER_OP_LOAD_STRING): |
1232 | { | |
1233 | struct load_op *insn = (struct load_op *) pc; | |
1234 | ||
1235 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 1236 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 MD |
1237 | estack_ax(stack, top)->u.s.str = insn->data; |
1238 | estack_ax(stack, top)->u.s.seq_len = UINT_MAX; | |
1239 | estack_ax(stack, top)->u.s.literal = 1; | |
53569322 | 1240 | estack_ax_t = REG_STRING; |
97b58163 MD |
1241 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
1242 | PO; | |
1243 | } | |
1244 | ||
1245 | OP(FILTER_OP_LOAD_S64): | |
1246 | { | |
1247 | struct load_op *insn = (struct load_op *) pc; | |
1248 | ||
53569322 | 1249 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1250 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 1251 | estack_ax_t = REG_S64; |
9b33aac4 | 1252 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1253 | next_pc += sizeof(struct load_op) |
1254 | + sizeof(struct literal_numeric); | |
1255 | PO; | |
1256 | } | |
1257 | ||
1258 | OP(FILTER_OP_LOAD_DOUBLE): | |
1259 | { | |
1260 | struct load_op *insn = (struct load_op *) pc; | |
1261 | ||
53569322 | 1262 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1263 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 1264 | sizeof(struct literal_double)); |
53569322 MD |
1265 | estack_ax_t = REG_DOUBLE; |
1266 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
1267 | next_pc += sizeof(struct load_op) |
1268 | + sizeof(struct literal_double); | |
1269 | PO; | |
1270 | } | |
1271 | ||
1272 | /* cast */ | |
1273 | OP(FILTER_OP_CAST_TO_S64): | |
53569322 MD |
1274 | { |
1275 | /* Dynamic typing. */ | |
1276 | switch (estack_ax_t) { | |
1277 | case REG_S64: | |
1278 | JUMP_TO(FILTER_OP_CAST_NOP); | |
1279 | case REG_DOUBLE: | |
1280 | JUMP_TO(FILTER_OP_CAST_DOUBLE_TO_S64); | |
1281 | case REG_STRING: | |
1282 | ret = -EINVAL; | |
1283 | goto end; | |
1284 | default: | |
1285 | ERR("Unknown filter register type (%d)", | |
1286 | (int) estack_ax_t); | |
1287 | ret = -EINVAL; | |
1288 | goto end; | |
1289 | } | |
1290 | } | |
97b58163 MD |
1291 | |
1292 | OP(FILTER_OP_CAST_DOUBLE_TO_S64): | |
1293 | { | |
9b33aac4 | 1294 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 1295 | estack_ax_t = REG_S64; |
97b58163 MD |
1296 | next_pc += sizeof(struct cast_op); |
1297 | PO; | |
1298 | } | |
1299 | ||
1300 | OP(FILTER_OP_CAST_NOP): | |
1301 | { | |
1302 | next_pc += sizeof(struct cast_op); | |
1303 | PO; | |
1304 | } | |
1305 | ||
77aa5901 | 1306 | /* get context ref */ |
53569322 MD |
1307 | OP(FILTER_OP_GET_CONTEXT_REF): |
1308 | { | |
1309 | struct load_op *insn = (struct load_op *) pc; | |
1310 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1311 | struct lttng_ctx *ctx; | |
1312 | struct lttng_ctx_field *ctx_field; | |
1313 | struct lttng_ctx_value v; | |
1314 | ||
1315 | dbg_printf("get context ref offset %u type dynamic\n", | |
1316 | ref->offset); | |
1317 | ctx = rcu_dereference(session->ctx); | |
1318 | ctx_field = &ctx->fields[ref->offset]; | |
1319 | ctx_field->get_value(ctx_field, &v); | |
1320 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
1321 | switch (v.sel) { | |
1322 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
1323 | ret = -EINVAL; | |
1324 | goto end; | |
1325 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
1326 | estack_ax_v = v.u.s64; | |
1327 | estack_ax_t = REG_S64; | |
1328 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
1329 | break; | |
1330 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
1331 | estack_ax(stack, top)->u.d = v.u.d; | |
1332 | estack_ax_t = REG_DOUBLE; | |
1333 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
1334 | break; | |
1335 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
1336 | estack_ax(stack, top)->u.s.str = v.u.str; | |
1337 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
1338 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
1339 | ret = -EINVAL; | |
1340 | goto end; | |
1341 | } | |
1342 | estack_ax(stack, top)->u.s.seq_len = UINT_MAX; | |
1343 | estack_ax(stack, top)->u.s.literal = 0; | |
1344 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); | |
1345 | estack_ax_t = REG_STRING; | |
1346 | break; | |
1347 | default: | |
1348 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
1349 | ret = -EINVAL; | |
1350 | goto end; | |
1351 | } | |
1352 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
1353 | PO; | |
1354 | } | |
1355 | ||
77aa5901 MD |
1356 | OP(FILTER_OP_GET_CONTEXT_REF_STRING): |
1357 | { | |
1358 | struct load_op *insn = (struct load_op *) pc; | |
1359 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 1360 | struct lttng_ctx *ctx; |
77aa5901 | 1361 | struct lttng_ctx_field *ctx_field; |
53569322 | 1362 | struct lttng_ctx_value v; |
77aa5901 MD |
1363 | |
1364 | dbg_printf("get context ref offset %u type string\n", | |
1365 | ref->offset); | |
53569322 MD |
1366 | ctx = rcu_dereference(session->ctx); |
1367 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 1368 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
1369 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
1370 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 MD |
1371 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
1372 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
1373 | ret = -EINVAL; | |
1374 | goto end; | |
1375 | } | |
1376 | estack_ax(stack, top)->u.s.seq_len = UINT_MAX; | |
1377 | estack_ax(stack, top)->u.s.literal = 0; | |
53569322 | 1378 | estack_ax_t = REG_STRING; |
77aa5901 MD |
1379 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
1380 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
1381 | PO; | |
1382 | } | |
1383 | ||
1384 | OP(FILTER_OP_GET_CONTEXT_REF_S64): | |
1385 | { | |
1386 | struct load_op *insn = (struct load_op *) pc; | |
1387 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 1388 | struct lttng_ctx *ctx; |
77aa5901 | 1389 | struct lttng_ctx_field *ctx_field; |
53569322 | 1390 | struct lttng_ctx_value v; |
77aa5901 MD |
1391 | |
1392 | dbg_printf("get context ref offset %u type s64\n", | |
1393 | ref->offset); | |
53569322 MD |
1394 | ctx = rcu_dereference(session->ctx); |
1395 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 1396 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
1397 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
1398 | estack_ax_v = v.u.s64; | |
1399 | estack_ax_t = REG_S64; | |
77aa5901 MD |
1400 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
1401 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
1402 | PO; | |
1403 | } | |
1404 | ||
1405 | OP(FILTER_OP_GET_CONTEXT_REF_DOUBLE): | |
1406 | { | |
1407 | struct load_op *insn = (struct load_op *) pc; | |
1408 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 1409 | struct lttng_ctx *ctx; |
77aa5901 | 1410 | struct lttng_ctx_field *ctx_field; |
53569322 | 1411 | struct lttng_ctx_value v; |
77aa5901 MD |
1412 | |
1413 | dbg_printf("get context ref offset %u type double\n", | |
1414 | ref->offset); | |
53569322 MD |
1415 | ctx = rcu_dereference(session->ctx); |
1416 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 1417 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
1418 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
1419 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
1420 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
1421 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
1422 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
1423 | PO; | |
1424 | } | |
1425 | ||
97b58163 MD |
1426 | END_OP |
1427 | end: | |
1428 | /* return 0 (discard) on error */ | |
1429 | if (ret) | |
1430 | return 0; | |
1431 | return retval; | |
1432 | } | |
1433 | ||
1434 | #undef START_OP | |
1435 | #undef OP | |
1436 | #undef PO | |
1437 | #undef END_OP |