Commit | Line | Data |
---|---|---|
97b58163 MD |
1 | /* |
2 | * lttng-filter-interpreter.c | |
3 | * | |
4 | * LTTng UST filter interpreter. | |
5 | * | |
7e50015d | 6 | * Copyright (C) 2010-2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
97b58163 | 7 | * |
7e50015d MD |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
97b58163 | 14 | * |
7e50015d MD |
15 | * The above copyright notice and this permission notice shall be included in |
16 | * all copies or substantial portions of the Software. | |
97b58163 | 17 | * |
7e50015d MD |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
24 | * SOFTWARE. | |
97b58163 MD |
25 | */ |
26 | ||
3fbec7dc | 27 | #define _LGPL_SOURCE |
53569322 | 28 | #include <urcu-pointer.h> |
97b58163 MD |
29 | #include "lttng-filter.h" |
30 | ||
31 | /* | |
32 | * -1: wildcard found. | |
33 | * -2: unknown escape char. | |
34 | * 0: normal char. | |
35 | */ | |
36 | ||
37 | static | |
38 | int parse_char(const char **p) | |
39 | { | |
40 | switch (**p) { | |
41 | case '\\': | |
42 | (*p)++; | |
43 | switch (**p) { | |
44 | case '\\': | |
45 | case '*': | |
46 | return 0; | |
47 | default: | |
48 | return -2; | |
49 | } | |
50 | case '*': | |
51 | return -1; | |
52 | default: | |
53 | return 0; | |
54 | } | |
55 | } | |
56 | ||
57 | static | |
9b33aac4 | 58 | int stack_strcmp(struct estack *stack, int top, const char *cmp_type) |
97b58163 | 59 | { |
9b33aac4 | 60 | const char *p = estack_bx(stack, top)->u.s.str, *q = estack_ax(stack, top)->u.s.str; |
97b58163 MD |
61 | int ret; |
62 | int diff; | |
63 | ||
64 | for (;;) { | |
65 | int escaped_r0 = 0; | |
66 | ||
332335cd MD |
67 | if (unlikely(p - estack_bx(stack, top)->u.s.str >= estack_bx(stack, top)->u.s.seq_len || *p == '\0')) { |
68 | if (q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0') { | |
5cf8141d | 69 | return 0; |
a0928c1e | 70 | } else { |
5cf8141d MD |
71 | if (estack_ax(stack, top)->u.s.literal) { |
72 | ret = parse_char(&q); | |
73 | if (ret == -1) | |
74 | return 0; | |
75 | } | |
76 | return -1; | |
a0928c1e | 77 | } |
97b58163 | 78 | } |
332335cd | 79 | if (unlikely(q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0')) { |
3e6a0694 MD |
80 | if (estack_bx(stack, top)->u.s.literal) { |
81 | ret = parse_char(&p); | |
82 | if (ret == -1) | |
83 | return 0; | |
a0928c1e | 84 | } |
3e6a0694 | 85 | return 1; |
97b58163 | 86 | } |
9b33aac4 | 87 | if (estack_bx(stack, top)->u.s.literal) { |
97b58163 MD |
88 | ret = parse_char(&p); |
89 | if (ret == -1) { | |
90 | return 0; | |
91 | } else if (ret == -2) { | |
92 | escaped_r0 = 1; | |
93 | } | |
94 | /* else compare both char */ | |
95 | } | |
9b33aac4 | 96 | if (estack_ax(stack, top)->u.s.literal) { |
97b58163 MD |
97 | ret = parse_char(&q); |
98 | if (ret == -1) { | |
99 | return 0; | |
100 | } else if (ret == -2) { | |
101 | if (!escaped_r0) | |
102 | return -1; | |
103 | } else { | |
104 | if (escaped_r0) | |
105 | return 1; | |
106 | } | |
107 | } else { | |
108 | if (escaped_r0) | |
109 | return 1; | |
110 | } | |
111 | diff = *p - *q; | |
112 | if (diff != 0) | |
113 | break; | |
114 | p++; | |
115 | q++; | |
116 | } | |
117 | return diff; | |
118 | } | |
119 | ||
8a92ed2a | 120 | uint64_t lttng_filter_false(void *filter_data, |
97b58163 MD |
121 | const char *filter_stack_data) |
122 | { | |
123 | return 0; | |
124 | } | |
125 | ||
126 | #ifdef INTERPRETER_USE_SWITCH | |
127 | ||
128 | /* | |
129 | * Fallback for compilers that do not support taking address of labels. | |
130 | */ | |
131 | ||
132 | #define START_OP \ | |
133 | start_pc = &bytecode->data[0]; \ | |
134 | for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; \ | |
135 | pc = next_pc) { \ | |
136 | dbg_printf("Executing op %s (%u)\n", \ | |
137 | print_op((unsigned int) *(filter_opcode_t *) pc), \ | |
138 | (unsigned int) *(filter_opcode_t *) pc); \ | |
139 | switch (*(filter_opcode_t *) pc) { | |
140 | ||
53569322 MD |
141 | #define OP(name) jump_target_##name: __attribute__((unused)); \ |
142 | case name | |
97b58163 MD |
143 | |
144 | #define PO break | |
145 | ||
146 | #define END_OP } \ | |
147 | } | |
148 | ||
53569322 MD |
149 | #define JUMP_TO(name) \ |
150 | goto jump_target_##name | |
151 | ||
97b58163 MD |
152 | #else |
153 | ||
154 | /* | |
155 | * Dispatch-table based interpreter. | |
156 | */ | |
157 | ||
158 | #define START_OP \ | |
159 | start_pc = &bytecode->data[0]; \ | |
160 | pc = next_pc = start_pc; \ | |
161 | if (unlikely(pc - start_pc >= bytecode->len)) \ | |
162 | goto end; \ | |
163 | goto *dispatch[*(filter_opcode_t *) pc]; | |
164 | ||
165 | #define OP(name) \ | |
166 | LABEL_##name | |
167 | ||
168 | #define PO \ | |
169 | pc = next_pc; \ | |
170 | goto *dispatch[*(filter_opcode_t *) pc]; | |
171 | ||
172 | #define END_OP | |
173 | ||
53569322 MD |
174 | #define JUMP_TO(name) \ |
175 | goto LABEL_##name | |
176 | ||
97b58163 MD |
177 | #endif |
178 | ||
8a92ed2a MD |
179 | /* |
180 | * Return 0 (discard), or raise the 0x1 flag (log event). | |
181 | * Currently, other flags are kept for future extensions and have no | |
182 | * effect. | |
183 | */ | |
184 | uint64_t lttng_filter_interpret_bytecode(void *filter_data, | |
97b58163 MD |
185 | const char *filter_stack_data) |
186 | { | |
187 | struct bytecode_runtime *bytecode = filter_data; | |
53569322 | 188 | struct lttng_session *session = bytecode->p.session; |
97b58163 MD |
189 | void *pc, *next_pc, *start_pc; |
190 | int ret = -EINVAL; | |
8b82df15 | 191 | uint64_t retval = 0; |
0305960f MD |
192 | struct estack _stack; |
193 | struct estack *stack = &_stack; | |
9b33aac4 | 194 | register int64_t ax = 0, bx = 0; |
53569322 | 195 | register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; |
9b33aac4 | 196 | register int top = FILTER_STACK_EMPTY; |
97b58163 MD |
197 | #ifndef INTERPRETER_USE_SWITCH |
198 | static void *dispatch[NR_FILTER_OPS] = { | |
199 | [ FILTER_OP_UNKNOWN ] = &&LABEL_FILTER_OP_UNKNOWN, | |
200 | ||
201 | [ FILTER_OP_RETURN ] = &&LABEL_FILTER_OP_RETURN, | |
202 | ||
203 | /* binary */ | |
204 | [ FILTER_OP_MUL ] = &&LABEL_FILTER_OP_MUL, | |
205 | [ FILTER_OP_DIV ] = &&LABEL_FILTER_OP_DIV, | |
206 | [ FILTER_OP_MOD ] = &&LABEL_FILTER_OP_MOD, | |
207 | [ FILTER_OP_PLUS ] = &&LABEL_FILTER_OP_PLUS, | |
208 | [ FILTER_OP_MINUS ] = &&LABEL_FILTER_OP_MINUS, | |
209 | [ FILTER_OP_RSHIFT ] = &&LABEL_FILTER_OP_RSHIFT, | |
210 | [ FILTER_OP_LSHIFT ] = &&LABEL_FILTER_OP_LSHIFT, | |
211 | [ FILTER_OP_BIN_AND ] = &&LABEL_FILTER_OP_BIN_AND, | |
212 | [ FILTER_OP_BIN_OR ] = &&LABEL_FILTER_OP_BIN_OR, | |
213 | [ FILTER_OP_BIN_XOR ] = &&LABEL_FILTER_OP_BIN_XOR, | |
214 | ||
215 | /* binary comparators */ | |
216 | [ FILTER_OP_EQ ] = &&LABEL_FILTER_OP_EQ, | |
217 | [ FILTER_OP_NE ] = &&LABEL_FILTER_OP_NE, | |
218 | [ FILTER_OP_GT ] = &&LABEL_FILTER_OP_GT, | |
219 | [ FILTER_OP_LT ] = &&LABEL_FILTER_OP_LT, | |
220 | [ FILTER_OP_GE ] = &&LABEL_FILTER_OP_GE, | |
221 | [ FILTER_OP_LE ] = &&LABEL_FILTER_OP_LE, | |
222 | ||
223 | /* string binary comparator */ | |
224 | [ FILTER_OP_EQ_STRING ] = &&LABEL_FILTER_OP_EQ_STRING, | |
225 | [ FILTER_OP_NE_STRING ] = &&LABEL_FILTER_OP_NE_STRING, | |
226 | [ FILTER_OP_GT_STRING ] = &&LABEL_FILTER_OP_GT_STRING, | |
227 | [ FILTER_OP_LT_STRING ] = &&LABEL_FILTER_OP_LT_STRING, | |
228 | [ FILTER_OP_GE_STRING ] = &&LABEL_FILTER_OP_GE_STRING, | |
229 | [ FILTER_OP_LE_STRING ] = &&LABEL_FILTER_OP_LE_STRING, | |
230 | ||
231 | /* s64 binary comparator */ | |
232 | [ FILTER_OP_EQ_S64 ] = &&LABEL_FILTER_OP_EQ_S64, | |
233 | [ FILTER_OP_NE_S64 ] = &&LABEL_FILTER_OP_NE_S64, | |
234 | [ FILTER_OP_GT_S64 ] = &&LABEL_FILTER_OP_GT_S64, | |
235 | [ FILTER_OP_LT_S64 ] = &&LABEL_FILTER_OP_LT_S64, | |
236 | [ FILTER_OP_GE_S64 ] = &&LABEL_FILTER_OP_GE_S64, | |
237 | [ FILTER_OP_LE_S64 ] = &&LABEL_FILTER_OP_LE_S64, | |
238 | ||
239 | /* double binary comparator */ | |
240 | [ FILTER_OP_EQ_DOUBLE ] = &&LABEL_FILTER_OP_EQ_DOUBLE, | |
241 | [ FILTER_OP_NE_DOUBLE ] = &&LABEL_FILTER_OP_NE_DOUBLE, | |
242 | [ FILTER_OP_GT_DOUBLE ] = &&LABEL_FILTER_OP_GT_DOUBLE, | |
243 | [ FILTER_OP_LT_DOUBLE ] = &&LABEL_FILTER_OP_LT_DOUBLE, | |
244 | [ FILTER_OP_GE_DOUBLE ] = &&LABEL_FILTER_OP_GE_DOUBLE, | |
245 | [ FILTER_OP_LE_DOUBLE ] = &&LABEL_FILTER_OP_LE_DOUBLE, | |
246 | ||
dbea82ec MD |
247 | /* Mixed S64-double binary comparators */ |
248 | [ FILTER_OP_EQ_DOUBLE_S64 ] = &&LABEL_FILTER_OP_EQ_DOUBLE_S64, | |
249 | [ FILTER_OP_NE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_NE_DOUBLE_S64, | |
250 | [ FILTER_OP_GT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GT_DOUBLE_S64, | |
251 | [ FILTER_OP_LT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LT_DOUBLE_S64, | |
252 | [ FILTER_OP_GE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GE_DOUBLE_S64, | |
253 | [ FILTER_OP_LE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LE_DOUBLE_S64, | |
254 | ||
255 | [ FILTER_OP_EQ_S64_DOUBLE ] = &&LABEL_FILTER_OP_EQ_S64_DOUBLE, | |
256 | [ FILTER_OP_NE_S64_DOUBLE ] = &&LABEL_FILTER_OP_NE_S64_DOUBLE, | |
257 | [ FILTER_OP_GT_S64_DOUBLE ] = &&LABEL_FILTER_OP_GT_S64_DOUBLE, | |
258 | [ FILTER_OP_LT_S64_DOUBLE ] = &&LABEL_FILTER_OP_LT_S64_DOUBLE, | |
259 | [ FILTER_OP_GE_S64_DOUBLE ] = &&LABEL_FILTER_OP_GE_S64_DOUBLE, | |
260 | [ FILTER_OP_LE_S64_DOUBLE ] = &&LABEL_FILTER_OP_LE_S64_DOUBLE, | |
261 | ||
97b58163 MD |
262 | /* unary */ |
263 | [ FILTER_OP_UNARY_PLUS ] = &&LABEL_FILTER_OP_UNARY_PLUS, | |
264 | [ FILTER_OP_UNARY_MINUS ] = &&LABEL_FILTER_OP_UNARY_MINUS, | |
265 | [ FILTER_OP_UNARY_NOT ] = &&LABEL_FILTER_OP_UNARY_NOT, | |
266 | [ FILTER_OP_UNARY_PLUS_S64 ] = &&LABEL_FILTER_OP_UNARY_PLUS_S64, | |
267 | [ FILTER_OP_UNARY_MINUS_S64 ] = &&LABEL_FILTER_OP_UNARY_MINUS_S64, | |
268 | [ FILTER_OP_UNARY_NOT_S64 ] = &&LABEL_FILTER_OP_UNARY_NOT_S64, | |
269 | [ FILTER_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_PLUS_DOUBLE, | |
270 | [ FILTER_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_MINUS_DOUBLE, | |
271 | [ FILTER_OP_UNARY_NOT_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_NOT_DOUBLE, | |
272 | ||
273 | /* logical */ | |
274 | [ FILTER_OP_AND ] = &&LABEL_FILTER_OP_AND, | |
275 | [ FILTER_OP_OR ] = &&LABEL_FILTER_OP_OR, | |
276 | ||
77aa5901 | 277 | /* load field ref */ |
97b58163 MD |
278 | [ FILTER_OP_LOAD_FIELD_REF ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF, |
279 | [ FILTER_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_STRING, | |
280 | [ FILTER_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_SEQUENCE, | |
281 | [ FILTER_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_S64, | |
282 | [ FILTER_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_DOUBLE, | |
283 | ||
77aa5901 | 284 | /* load from immediate operand */ |
97b58163 MD |
285 | [ FILTER_OP_LOAD_STRING ] = &&LABEL_FILTER_OP_LOAD_STRING, |
286 | [ FILTER_OP_LOAD_S64 ] = &&LABEL_FILTER_OP_LOAD_S64, | |
287 | [ FILTER_OP_LOAD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_DOUBLE, | |
288 | ||
289 | /* cast */ | |
290 | [ FILTER_OP_CAST_TO_S64 ] = &&LABEL_FILTER_OP_CAST_TO_S64, | |
291 | [ FILTER_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_FILTER_OP_CAST_DOUBLE_TO_S64, | |
292 | [ FILTER_OP_CAST_NOP ] = &&LABEL_FILTER_OP_CAST_NOP, | |
77aa5901 MD |
293 | |
294 | /* get context ref */ | |
295 | [ FILTER_OP_GET_CONTEXT_REF ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF, | |
296 | [ FILTER_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_STRING, | |
297 | [ FILTER_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_S64, | |
298 | [ FILTER_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_DOUBLE, | |
97b58163 MD |
299 | }; |
300 | #endif /* #ifndef INTERPRETER_USE_SWITCH */ | |
301 | ||
302 | START_OP | |
303 | ||
304 | OP(FILTER_OP_UNKNOWN): | |
305 | OP(FILTER_OP_LOAD_FIELD_REF): | |
306 | #ifdef INTERPRETER_USE_SWITCH | |
307 | default: | |
308 | #endif /* INTERPRETER_USE_SWITCH */ | |
309 | ERR("unknown bytecode op %u\n", | |
310 | (unsigned int) *(filter_opcode_t *) pc); | |
311 | ret = -EINVAL; | |
312 | goto end; | |
313 | ||
314 | OP(FILTER_OP_RETURN): | |
8a92ed2a | 315 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
9b33aac4 | 316 | retval = !!estack_ax_v; |
97b58163 MD |
317 | ret = 0; |
318 | goto end; | |
319 | ||
320 | /* binary */ | |
321 | OP(FILTER_OP_MUL): | |
322 | OP(FILTER_OP_DIV): | |
323 | OP(FILTER_OP_MOD): | |
324 | OP(FILTER_OP_PLUS): | |
325 | OP(FILTER_OP_MINUS): | |
326 | OP(FILTER_OP_RSHIFT): | |
327 | OP(FILTER_OP_LSHIFT): | |
328 | OP(FILTER_OP_BIN_AND): | |
329 | OP(FILTER_OP_BIN_OR): | |
330 | OP(FILTER_OP_BIN_XOR): | |
331 | ERR("unsupported bytecode op %u\n", | |
332 | (unsigned int) *(filter_opcode_t *) pc); | |
333 | ret = -EINVAL; | |
334 | goto end; | |
335 | ||
336 | OP(FILTER_OP_EQ): | |
53569322 MD |
337 | { |
338 | /* Dynamic typing. */ | |
339 | switch (estack_ax_t) { | |
340 | case REG_S64: | |
341 | switch (estack_bx_t) { | |
342 | case REG_S64: | |
343 | JUMP_TO(FILTER_OP_EQ_S64); | |
344 | case REG_DOUBLE: | |
345 | JUMP_TO(FILTER_OP_EQ_DOUBLE_S64); | |
346 | case REG_STRING: | |
347 | ret = -EINVAL; | |
348 | goto end; | |
349 | default: | |
350 | ERR("Unknown filter register type (%d)", | |
351 | (int) estack_bx_t); | |
352 | ret = -EINVAL; | |
353 | goto end; | |
354 | } | |
355 | break; | |
356 | case REG_DOUBLE: | |
357 | switch (estack_bx_t) { | |
358 | case REG_S64: | |
359 | JUMP_TO(FILTER_OP_EQ_S64_DOUBLE); | |
360 | case REG_DOUBLE: | |
361 | JUMP_TO(FILTER_OP_EQ_DOUBLE); | |
362 | case REG_STRING: | |
363 | ret = -EINVAL; | |
364 | goto end; | |
365 | default: | |
366 | ERR("Unknown filter register type (%d)", | |
367 | (int) estack_bx_t); | |
368 | ret = -EINVAL; | |
369 | goto end; | |
370 | } | |
371 | break; | |
372 | case REG_STRING: | |
373 | switch (estack_bx_t) { | |
374 | case REG_S64: /* Fall-through */ | |
375 | case REG_DOUBLE: | |
376 | ret = -EINVAL; | |
377 | goto end; | |
378 | case REG_STRING: | |
379 | JUMP_TO(FILTER_OP_EQ_STRING); | |
380 | default: | |
381 | ERR("Unknown filter register type (%d)", | |
382 | (int) estack_bx_t); | |
383 | ret = -EINVAL; | |
384 | goto end; | |
385 | } | |
386 | break; | |
387 | default: | |
388 | ERR("Unknown filter register type (%d)", | |
389 | (int) estack_ax_t); | |
390 | ret = -EINVAL; | |
391 | goto end; | |
392 | } | |
393 | } | |
97b58163 | 394 | OP(FILTER_OP_NE): |
53569322 MD |
395 | { |
396 | /* Dynamic typing. */ | |
397 | switch (estack_ax_t) { | |
398 | case REG_S64: | |
399 | switch (estack_bx_t) { | |
400 | case REG_S64: | |
401 | JUMP_TO(FILTER_OP_NE_S64); | |
402 | case REG_DOUBLE: | |
403 | JUMP_TO(FILTER_OP_NE_DOUBLE_S64); | |
404 | case REG_STRING: | |
405 | ret = -EINVAL; | |
406 | goto end; | |
407 | default: | |
408 | ERR("Unknown filter register type (%d)", | |
409 | (int) estack_bx_t); | |
410 | ret = -EINVAL; | |
411 | goto end; | |
412 | } | |
413 | break; | |
414 | case REG_DOUBLE: | |
415 | switch (estack_bx_t) { | |
416 | case REG_S64: | |
417 | JUMP_TO(FILTER_OP_NE_S64_DOUBLE); | |
418 | case REG_DOUBLE: | |
419 | JUMP_TO(FILTER_OP_NE_DOUBLE); | |
420 | case REG_STRING: | |
421 | ret = -EINVAL; | |
422 | goto end; | |
423 | default: | |
424 | ERR("Unknown filter register type (%d)", | |
425 | (int) estack_bx_t); | |
426 | ret = -EINVAL; | |
427 | goto end; | |
428 | } | |
429 | break; | |
430 | case REG_STRING: | |
431 | switch (estack_bx_t) { | |
432 | case REG_S64: /* Fall-through */ | |
433 | case REG_DOUBLE: | |
434 | ret = -EINVAL; | |
435 | goto end; | |
436 | case REG_STRING: | |
437 | JUMP_TO(FILTER_OP_NE_STRING); | |
438 | default: | |
439 | ERR("Unknown filter register type (%d)", | |
440 | (int) estack_bx_t); | |
441 | ret = -EINVAL; | |
442 | goto end; | |
443 | } | |
444 | break; | |
445 | default: | |
446 | ERR("Unknown filter register type (%d)", | |
447 | (int) estack_ax_t); | |
448 | ret = -EINVAL; | |
449 | goto end; | |
450 | } | |
451 | } | |
97b58163 | 452 | OP(FILTER_OP_GT): |
53569322 MD |
453 | { |
454 | /* Dynamic typing. */ | |
455 | switch (estack_ax_t) { | |
456 | case REG_S64: | |
457 | switch (estack_bx_t) { | |
458 | case REG_S64: | |
459 | JUMP_TO(FILTER_OP_GT_S64); | |
460 | case REG_DOUBLE: | |
461 | JUMP_TO(FILTER_OP_GT_DOUBLE_S64); | |
462 | case REG_STRING: | |
463 | ret = -EINVAL; | |
464 | goto end; | |
465 | default: | |
466 | ERR("Unknown filter register type (%d)", | |
467 | (int) estack_bx_t); | |
468 | ret = -EINVAL; | |
469 | goto end; | |
470 | } | |
471 | break; | |
472 | case REG_DOUBLE: | |
473 | switch (estack_bx_t) { | |
474 | case REG_S64: | |
475 | JUMP_TO(FILTER_OP_GT_S64_DOUBLE); | |
476 | case REG_DOUBLE: | |
477 | JUMP_TO(FILTER_OP_GT_DOUBLE); | |
478 | case REG_STRING: | |
479 | ret = -EINVAL; | |
480 | goto end; | |
481 | default: | |
482 | ERR("Unknown filter register type (%d)", | |
483 | (int) estack_bx_t); | |
484 | ret = -EINVAL; | |
485 | goto end; | |
486 | } | |
487 | break; | |
488 | case REG_STRING: | |
489 | switch (estack_bx_t) { | |
490 | case REG_S64: /* Fall-through */ | |
491 | case REG_DOUBLE: | |
492 | ret = -EINVAL; | |
493 | goto end; | |
494 | case REG_STRING: | |
495 | JUMP_TO(FILTER_OP_GT_STRING); | |
496 | default: | |
497 | ERR("Unknown filter register type (%d)", | |
498 | (int) estack_bx_t); | |
499 | ret = -EINVAL; | |
500 | goto end; | |
501 | } | |
502 | break; | |
503 | default: | |
504 | ERR("Unknown filter register type (%d)", | |
505 | (int) estack_ax_t); | |
506 | ret = -EINVAL; | |
507 | goto end; | |
508 | } | |
509 | } | |
97b58163 | 510 | OP(FILTER_OP_LT): |
53569322 MD |
511 | { |
512 | /* Dynamic typing. */ | |
513 | switch (estack_ax_t) { | |
514 | case REG_S64: | |
515 | switch (estack_bx_t) { | |
516 | case REG_S64: | |
517 | JUMP_TO(FILTER_OP_LT_S64); | |
518 | case REG_DOUBLE: | |
519 | JUMP_TO(FILTER_OP_LT_DOUBLE_S64); | |
520 | case REG_STRING: | |
521 | ret = -EINVAL; | |
522 | goto end; | |
523 | default: | |
524 | ERR("Unknown filter register type (%d)", | |
525 | (int) estack_bx_t); | |
526 | ret = -EINVAL; | |
527 | goto end; | |
528 | } | |
529 | break; | |
530 | case REG_DOUBLE: | |
531 | switch (estack_bx_t) { | |
532 | case REG_S64: | |
533 | JUMP_TO(FILTER_OP_LT_S64_DOUBLE); | |
534 | case REG_DOUBLE: | |
535 | JUMP_TO(FILTER_OP_LT_DOUBLE); | |
536 | case REG_STRING: | |
537 | ret = -EINVAL; | |
538 | goto end; | |
539 | default: | |
540 | ERR("Unknown filter register type (%d)", | |
541 | (int) estack_bx_t); | |
542 | ret = -EINVAL; | |
543 | goto end; | |
544 | } | |
545 | break; | |
546 | case REG_STRING: | |
547 | switch (estack_bx_t) { | |
548 | case REG_S64: /* Fall-through */ | |
549 | case REG_DOUBLE: | |
550 | ret = -EINVAL; | |
551 | goto end; | |
552 | case REG_STRING: | |
553 | JUMP_TO(FILTER_OP_LT_STRING); | |
554 | default: | |
555 | ERR("Unknown filter register type (%d)", | |
556 | (int) estack_bx_t); | |
557 | ret = -EINVAL; | |
558 | goto end; | |
559 | } | |
560 | break; | |
561 | default: | |
562 | ERR("Unknown filter register type (%d)", | |
563 | (int) estack_ax_t); | |
564 | ret = -EINVAL; | |
565 | goto end; | |
566 | } | |
567 | } | |
97b58163 | 568 | OP(FILTER_OP_GE): |
53569322 MD |
569 | { |
570 | /* Dynamic typing. */ | |
571 | switch (estack_ax_t) { | |
572 | case REG_S64: | |
573 | switch (estack_bx_t) { | |
574 | case REG_S64: | |
575 | JUMP_TO(FILTER_OP_GE_S64); | |
576 | case REG_DOUBLE: | |
577 | JUMP_TO(FILTER_OP_GE_DOUBLE_S64); | |
578 | case REG_STRING: | |
579 | ret = -EINVAL; | |
580 | goto end; | |
581 | default: | |
582 | ERR("Unknown filter register type (%d)", | |
583 | (int) estack_bx_t); | |
584 | ret = -EINVAL; | |
585 | goto end; | |
586 | } | |
587 | break; | |
588 | case REG_DOUBLE: | |
589 | switch (estack_bx_t) { | |
590 | case REG_S64: | |
591 | JUMP_TO(FILTER_OP_GE_S64_DOUBLE); | |
592 | case REG_DOUBLE: | |
593 | JUMP_TO(FILTER_OP_GE_DOUBLE); | |
594 | case REG_STRING: | |
595 | ret = -EINVAL; | |
596 | goto end; | |
597 | default: | |
598 | ERR("Unknown filter register type (%d)", | |
599 | (int) estack_bx_t); | |
600 | ret = -EINVAL; | |
601 | goto end; | |
602 | } | |
603 | break; | |
604 | case REG_STRING: | |
605 | switch (estack_bx_t) { | |
606 | case REG_S64: /* Fall-through */ | |
607 | case REG_DOUBLE: | |
608 | ret = -EINVAL; | |
609 | goto end; | |
610 | case REG_STRING: | |
611 | JUMP_TO(FILTER_OP_GE_STRING); | |
612 | default: | |
613 | ERR("Unknown filter register type (%d)", | |
614 | (int) estack_bx_t); | |
615 | ret = -EINVAL; | |
616 | goto end; | |
617 | } | |
618 | break; | |
619 | default: | |
620 | ERR("Unknown filter register type (%d)", | |
621 | (int) estack_ax_t); | |
622 | ret = -EINVAL; | |
623 | goto end; | |
624 | } | |
625 | } | |
97b58163 | 626 | OP(FILTER_OP_LE): |
53569322 MD |
627 | { |
628 | /* Dynamic typing. */ | |
629 | switch (estack_ax_t) { | |
630 | case REG_S64: | |
631 | switch (estack_bx_t) { | |
632 | case REG_S64: | |
633 | JUMP_TO(FILTER_OP_LE_S64); | |
634 | case REG_DOUBLE: | |
635 | JUMP_TO(FILTER_OP_LE_DOUBLE_S64); | |
636 | case REG_STRING: | |
637 | ret = -EINVAL; | |
638 | goto end; | |
639 | default: | |
640 | ERR("Unknown filter register type (%d)", | |
641 | (int) estack_bx_t); | |
642 | ret = -EINVAL; | |
643 | goto end; | |
644 | } | |
645 | break; | |
646 | case REG_DOUBLE: | |
647 | switch (estack_bx_t) { | |
648 | case REG_S64: | |
649 | JUMP_TO(FILTER_OP_LE_S64_DOUBLE); | |
650 | case REG_DOUBLE: | |
651 | JUMP_TO(FILTER_OP_LE_DOUBLE); | |
652 | case REG_STRING: | |
653 | ret = -EINVAL; | |
654 | goto end; | |
655 | default: | |
656 | ERR("Unknown filter register type (%d)", | |
657 | (int) estack_bx_t); | |
658 | ret = -EINVAL; | |
659 | goto end; | |
660 | } | |
661 | break; | |
662 | case REG_STRING: | |
663 | switch (estack_bx_t) { | |
664 | case REG_S64: /* Fall-through */ | |
665 | case REG_DOUBLE: | |
666 | ret = -EINVAL; | |
667 | goto end; | |
668 | case REG_STRING: | |
669 | JUMP_TO(FILTER_OP_LE_STRING); | |
670 | default: | |
671 | ERR("Unknown filter register type (%d)", | |
672 | (int) estack_bx_t); | |
673 | ret = -EINVAL; | |
674 | goto end; | |
675 | } | |
676 | break; | |
677 | default: | |
678 | ERR("Unknown filter register type (%d)", | |
679 | (int) estack_ax_t); | |
680 | ret = -EINVAL; | |
681 | goto end; | |
682 | } | |
683 | } | |
97b58163 MD |
684 | |
685 | OP(FILTER_OP_EQ_STRING): | |
686 | { | |
0305960f MD |
687 | int res; |
688 | ||
9b33aac4 | 689 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 690 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 691 | estack_ax_v = res; |
53569322 | 692 | estack_ax_t = REG_S64; |
97b58163 MD |
693 | next_pc += sizeof(struct binary_op); |
694 | PO; | |
695 | } | |
696 | OP(FILTER_OP_NE_STRING): | |
697 | { | |
0305960f MD |
698 | int res; |
699 | ||
9b33aac4 | 700 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 701 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 702 | estack_ax_v = res; |
53569322 | 703 | estack_ax_t = REG_S64; |
97b58163 MD |
704 | next_pc += sizeof(struct binary_op); |
705 | PO; | |
706 | } | |
707 | OP(FILTER_OP_GT_STRING): | |
708 | { | |
0305960f MD |
709 | int res; |
710 | ||
9b33aac4 | 711 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 712 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 713 | estack_ax_v = res; |
53569322 | 714 | estack_ax_t = REG_S64; |
97b58163 MD |
715 | next_pc += sizeof(struct binary_op); |
716 | PO; | |
717 | } | |
718 | OP(FILTER_OP_LT_STRING): | |
719 | { | |
0305960f MD |
720 | int res; |
721 | ||
9b33aac4 | 722 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 723 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 724 | estack_ax_v = res; |
53569322 | 725 | estack_ax_t = REG_S64; |
97b58163 MD |
726 | next_pc += sizeof(struct binary_op); |
727 | PO; | |
728 | } | |
729 | OP(FILTER_OP_GE_STRING): | |
730 | { | |
0305960f MD |
731 | int res; |
732 | ||
9b33aac4 | 733 | res = (stack_strcmp(stack, top, ">=") >= 0); |
53569322 | 734 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 735 | estack_ax_v = res; |
53569322 | 736 | estack_ax_t = REG_S64; |
97b58163 MD |
737 | next_pc += sizeof(struct binary_op); |
738 | PO; | |
739 | } | |
740 | OP(FILTER_OP_LE_STRING): | |
741 | { | |
0305960f MD |
742 | int res; |
743 | ||
9b33aac4 | 744 | res = (stack_strcmp(stack, top, "<=") <= 0); |
53569322 | 745 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 746 | estack_ax_v = res; |
53569322 | 747 | estack_ax_t = REG_S64; |
97b58163 MD |
748 | next_pc += sizeof(struct binary_op); |
749 | PO; | |
750 | } | |
751 | ||
752 | OP(FILTER_OP_EQ_S64): | |
753 | { | |
0305960f MD |
754 | int res; |
755 | ||
9b33aac4 | 756 | res = (estack_bx_v == estack_ax_v); |
53569322 | 757 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 758 | estack_ax_v = res; |
53569322 | 759 | estack_ax_t = REG_S64; |
97b58163 MD |
760 | next_pc += sizeof(struct binary_op); |
761 | PO; | |
762 | } | |
763 | OP(FILTER_OP_NE_S64): | |
764 | { | |
0305960f MD |
765 | int res; |
766 | ||
9b33aac4 | 767 | res = (estack_bx_v != estack_ax_v); |
53569322 | 768 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 769 | estack_ax_v = res; |
53569322 | 770 | estack_ax_t = REG_S64; |
97b58163 MD |
771 | next_pc += sizeof(struct binary_op); |
772 | PO; | |
773 | } | |
774 | OP(FILTER_OP_GT_S64): | |
775 | { | |
0305960f MD |
776 | int res; |
777 | ||
9b33aac4 | 778 | res = (estack_bx_v > estack_ax_v); |
53569322 | 779 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 780 | estack_ax_v = res; |
53569322 | 781 | estack_ax_t = REG_S64; |
97b58163 MD |
782 | next_pc += sizeof(struct binary_op); |
783 | PO; | |
784 | } | |
785 | OP(FILTER_OP_LT_S64): | |
786 | { | |
0305960f MD |
787 | int res; |
788 | ||
9b33aac4 | 789 | res = (estack_bx_v < estack_ax_v); |
53569322 | 790 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 791 | estack_ax_v = res; |
53569322 | 792 | estack_ax_t = REG_S64; |
97b58163 MD |
793 | next_pc += sizeof(struct binary_op); |
794 | PO; | |
795 | } | |
796 | OP(FILTER_OP_GE_S64): | |
797 | { | |
0305960f MD |
798 | int res; |
799 | ||
9b33aac4 | 800 | res = (estack_bx_v >= estack_ax_v); |
53569322 | 801 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 802 | estack_ax_v = res; |
53569322 | 803 | estack_ax_t = REG_S64; |
97b58163 MD |
804 | next_pc += sizeof(struct binary_op); |
805 | PO; | |
806 | } | |
807 | OP(FILTER_OP_LE_S64): | |
808 | { | |
0305960f MD |
809 | int res; |
810 | ||
9b33aac4 | 811 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 812 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 813 | estack_ax_v = res; |
53569322 | 814 | estack_ax_t = REG_S64; |
97b58163 MD |
815 | next_pc += sizeof(struct binary_op); |
816 | PO; | |
817 | } | |
818 | ||
819 | OP(FILTER_OP_EQ_DOUBLE): | |
820 | { | |
0305960f MD |
821 | int res; |
822 | ||
9b33aac4 | 823 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 824 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 825 | estack_ax_v = res; |
53569322 | 826 | estack_ax_t = REG_S64; |
97b58163 MD |
827 | next_pc += sizeof(struct binary_op); |
828 | PO; | |
829 | } | |
830 | OP(FILTER_OP_NE_DOUBLE): | |
831 | { | |
0305960f MD |
832 | int res; |
833 | ||
9b33aac4 | 834 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 835 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 836 | estack_ax_v = res; |
53569322 | 837 | estack_ax_t = REG_S64; |
97b58163 MD |
838 | next_pc += sizeof(struct binary_op); |
839 | PO; | |
840 | } | |
841 | OP(FILTER_OP_GT_DOUBLE): | |
842 | { | |
0305960f MD |
843 | int res; |
844 | ||
9b33aac4 | 845 | res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); |
53569322 | 846 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 847 | estack_ax_v = res; |
53569322 | 848 | estack_ax_t = REG_S64; |
97b58163 MD |
849 | next_pc += sizeof(struct binary_op); |
850 | PO; | |
851 | } | |
852 | OP(FILTER_OP_LT_DOUBLE): | |
853 | { | |
0305960f MD |
854 | int res; |
855 | ||
9b33aac4 | 856 | res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); |
53569322 | 857 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 858 | estack_ax_v = res; |
53569322 | 859 | estack_ax_t = REG_S64; |
97b58163 MD |
860 | next_pc += sizeof(struct binary_op); |
861 | PO; | |
862 | } | |
863 | OP(FILTER_OP_GE_DOUBLE): | |
864 | { | |
0305960f MD |
865 | int res; |
866 | ||
9b33aac4 | 867 | res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); |
53569322 | 868 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 869 | estack_ax_v = res; |
53569322 | 870 | estack_ax_t = REG_S64; |
97b58163 MD |
871 | next_pc += sizeof(struct binary_op); |
872 | PO; | |
873 | } | |
874 | OP(FILTER_OP_LE_DOUBLE): | |
875 | { | |
0305960f MD |
876 | int res; |
877 | ||
9b33aac4 | 878 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 879 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 880 | estack_ax_v = res; |
53569322 | 881 | estack_ax_t = REG_S64; |
dbea82ec MD |
882 | next_pc += sizeof(struct binary_op); |
883 | PO; | |
884 | } | |
885 | ||
886 | /* Mixed S64-double binary comparators */ | |
887 | OP(FILTER_OP_EQ_DOUBLE_S64): | |
888 | { | |
889 | int res; | |
890 | ||
9b33aac4 | 891 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
53569322 | 892 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 893 | estack_ax_v = res; |
53569322 | 894 | estack_ax_t = REG_S64; |
dbea82ec MD |
895 | next_pc += sizeof(struct binary_op); |
896 | PO; | |
897 | } | |
898 | OP(FILTER_OP_NE_DOUBLE_S64): | |
899 | { | |
900 | int res; | |
901 | ||
9b33aac4 | 902 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
53569322 | 903 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 904 | estack_ax_v = res; |
53569322 | 905 | estack_ax_t = REG_S64; |
dbea82ec MD |
906 | next_pc += sizeof(struct binary_op); |
907 | PO; | |
908 | } | |
909 | OP(FILTER_OP_GT_DOUBLE_S64): | |
910 | { | |
911 | int res; | |
912 | ||
9b33aac4 | 913 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
53569322 | 914 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 915 | estack_ax_v = res; |
53569322 | 916 | estack_ax_t = REG_S64; |
dbea82ec MD |
917 | next_pc += sizeof(struct binary_op); |
918 | PO; | |
919 | } | |
920 | OP(FILTER_OP_LT_DOUBLE_S64): | |
921 | { | |
922 | int res; | |
923 | ||
9b33aac4 | 924 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 925 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 926 | estack_ax_v = res; |
53569322 | 927 | estack_ax_t = REG_S64; |
dbea82ec MD |
928 | next_pc += sizeof(struct binary_op); |
929 | PO; | |
930 | } | |
931 | OP(FILTER_OP_GE_DOUBLE_S64): | |
932 | { | |
933 | int res; | |
934 | ||
9b33aac4 | 935 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 936 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 937 | estack_ax_v = res; |
53569322 | 938 | estack_ax_t = REG_S64; |
dbea82ec MD |
939 | next_pc += sizeof(struct binary_op); |
940 | PO; | |
941 | } | |
942 | OP(FILTER_OP_LE_DOUBLE_S64): | |
943 | { | |
944 | int res; | |
945 | ||
9b33aac4 | 946 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 947 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 948 | estack_ax_v = res; |
53569322 | 949 | estack_ax_t = REG_S64; |
dbea82ec MD |
950 | next_pc += sizeof(struct binary_op); |
951 | PO; | |
952 | } | |
953 | ||
954 | OP(FILTER_OP_EQ_S64_DOUBLE): | |
955 | { | |
956 | int res; | |
957 | ||
9b33aac4 | 958 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 959 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 960 | estack_ax_v = res; |
53569322 | 961 | estack_ax_t = REG_S64; |
dbea82ec MD |
962 | next_pc += sizeof(struct binary_op); |
963 | PO; | |
964 | } | |
965 | OP(FILTER_OP_NE_S64_DOUBLE): | |
966 | { | |
967 | int res; | |
968 | ||
9b33aac4 | 969 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 970 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 971 | estack_ax_v = res; |
53569322 | 972 | estack_ax_t = REG_S64; |
dbea82ec MD |
973 | next_pc += sizeof(struct binary_op); |
974 | PO; | |
975 | } | |
976 | OP(FILTER_OP_GT_S64_DOUBLE): | |
977 | { | |
978 | int res; | |
979 | ||
9b33aac4 | 980 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 981 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 982 | estack_ax_v = res; |
53569322 | 983 | estack_ax_t = REG_S64; |
dbea82ec MD |
984 | next_pc += sizeof(struct binary_op); |
985 | PO; | |
986 | } | |
987 | OP(FILTER_OP_LT_S64_DOUBLE): | |
988 | { | |
989 | int res; | |
990 | ||
9b33aac4 | 991 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 992 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 993 | estack_ax_v = res; |
53569322 | 994 | estack_ax_t = REG_S64; |
dbea82ec MD |
995 | next_pc += sizeof(struct binary_op); |
996 | PO; | |
997 | } | |
998 | OP(FILTER_OP_GE_S64_DOUBLE): | |
999 | { | |
1000 | int res; | |
1001 | ||
9b33aac4 | 1002 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 1003 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1004 | estack_ax_v = res; |
53569322 | 1005 | estack_ax_t = REG_S64; |
dbea82ec MD |
1006 | next_pc += sizeof(struct binary_op); |
1007 | PO; | |
1008 | } | |
1009 | OP(FILTER_OP_LE_S64_DOUBLE): | |
1010 | { | |
1011 | int res; | |
1012 | ||
9b33aac4 | 1013 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1014 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1015 | estack_ax_v = res; |
53569322 | 1016 | estack_ax_t = REG_S64; |
97b58163 MD |
1017 | next_pc += sizeof(struct binary_op); |
1018 | PO; | |
1019 | } | |
1020 | ||
1021 | /* unary */ | |
1022 | OP(FILTER_OP_UNARY_PLUS): | |
53569322 MD |
1023 | { |
1024 | /* Dynamic typing. */ | |
1025 | switch (estack_ax_t) { | |
1026 | case REG_S64: /* Fall-through. */ | |
1027 | JUMP_TO(FILTER_OP_UNARY_PLUS_S64); | |
1028 | case REG_DOUBLE: | |
1029 | JUMP_TO(FILTER_OP_UNARY_PLUS_DOUBLE); | |
1030 | case REG_STRING: | |
1031 | ret = -EINVAL; | |
1032 | goto end; | |
1033 | default: | |
1034 | ERR("Unknown filter register type (%d)", | |
1035 | (int) estack_ax_t); | |
1036 | ret = -EINVAL; | |
1037 | goto end; | |
1038 | } | |
1039 | } | |
97b58163 | 1040 | OP(FILTER_OP_UNARY_MINUS): |
53569322 MD |
1041 | { |
1042 | /* Dynamic typing. */ | |
1043 | switch (estack_ax_t) { | |
1044 | case REG_S64: | |
1045 | JUMP_TO(FILTER_OP_UNARY_MINUS_S64); | |
1046 | case REG_DOUBLE: | |
1047 | JUMP_TO(FILTER_OP_UNARY_MINUS_DOUBLE); | |
1048 | case REG_STRING: | |
1049 | ret = -EINVAL; | |
1050 | goto end; | |
1051 | default: | |
1052 | ERR("Unknown filter register type (%d)", | |
1053 | (int) estack_ax_t); | |
1054 | ret = -EINVAL; | |
1055 | goto end; | |
1056 | } | |
1057 | } | |
97b58163 | 1058 | OP(FILTER_OP_UNARY_NOT): |
53569322 MD |
1059 | { |
1060 | /* Dynamic typing. */ | |
1061 | switch (estack_ax_t) { | |
1062 | case REG_S64: | |
1063 | JUMP_TO(FILTER_OP_UNARY_NOT_S64); | |
1064 | case REG_DOUBLE: | |
1065 | JUMP_TO(FILTER_OP_UNARY_NOT_DOUBLE); | |
1066 | case REG_STRING: | |
1067 | ret = -EINVAL; | |
1068 | goto end; | |
1069 | default: | |
1070 | ERR("Unknown filter register type (%d)", | |
1071 | (int) estack_ax_t); | |
1072 | ret = -EINVAL; | |
1073 | goto end; | |
1074 | } | |
1075 | next_pc += sizeof(struct unary_op); | |
1076 | PO; | |
1077 | } | |
97b58163 MD |
1078 | |
1079 | OP(FILTER_OP_UNARY_PLUS_S64): | |
1080 | OP(FILTER_OP_UNARY_PLUS_DOUBLE): | |
1081 | { | |
1082 | next_pc += sizeof(struct unary_op); | |
1083 | PO; | |
1084 | } | |
1085 | OP(FILTER_OP_UNARY_MINUS_S64): | |
1086 | { | |
9b33aac4 | 1087 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1088 | next_pc += sizeof(struct unary_op); |
1089 | PO; | |
1090 | } | |
1091 | OP(FILTER_OP_UNARY_MINUS_DOUBLE): | |
1092 | { | |
9b33aac4 | 1093 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1094 | next_pc += sizeof(struct unary_op); |
1095 | PO; | |
1096 | } | |
1097 | OP(FILTER_OP_UNARY_NOT_S64): | |
1098 | { | |
9b33aac4 | 1099 | estack_ax_v = !estack_ax_v; |
97b58163 MD |
1100 | next_pc += sizeof(struct unary_op); |
1101 | PO; | |
1102 | } | |
1103 | OP(FILTER_OP_UNARY_NOT_DOUBLE): | |
1104 | { | |
53569322 MD |
1105 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1106 | estack_ax_t = REG_S64; | |
97b58163 MD |
1107 | next_pc += sizeof(struct unary_op); |
1108 | PO; | |
1109 | } | |
1110 | ||
1111 | /* logical */ | |
1112 | OP(FILTER_OP_AND): | |
1113 | { | |
1114 | struct logical_op *insn = (struct logical_op *) pc; | |
1115 | ||
53569322 MD |
1116 | if (estack_ax_t != REG_S64) { |
1117 | ret = -EINVAL; | |
1118 | goto end; | |
1119 | } | |
0305960f | 1120 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1121 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1122 | dbg_printf("Jumping to bytecode offset %u\n", |
1123 | (unsigned int) insn->skip_offset); | |
1124 | next_pc = start_pc + insn->skip_offset; | |
1125 | } else { | |
71c1ceeb | 1126 | /* Pop 1 when jump not taken */ |
53569322 | 1127 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1128 | next_pc += sizeof(struct logical_op); |
1129 | } | |
1130 | PO; | |
1131 | } | |
1132 | OP(FILTER_OP_OR): | |
1133 | { | |
1134 | struct logical_op *insn = (struct logical_op *) pc; | |
1135 | ||
53569322 MD |
1136 | if (estack_ax_t != REG_S64) { |
1137 | ret = -EINVAL; | |
1138 | goto end; | |
1139 | } | |
0305960f | 1140 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1141 | if (unlikely(estack_ax_v != 0)) { |
1142 | estack_ax_v = 1; | |
97b58163 MD |
1143 | dbg_printf("Jumping to bytecode offset %u\n", |
1144 | (unsigned int) insn->skip_offset); | |
1145 | next_pc = start_pc + insn->skip_offset; | |
1146 | } else { | |
71c1ceeb | 1147 | /* Pop 1 when jump not taken */ |
53569322 | 1148 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1149 | next_pc += sizeof(struct logical_op); |
1150 | } | |
1151 | PO; | |
1152 | } | |
1153 | ||
1154 | ||
77aa5901 | 1155 | /* load field ref */ |
97b58163 MD |
1156 | OP(FILTER_OP_LOAD_FIELD_REF_STRING): |
1157 | { | |
1158 | struct load_op *insn = (struct load_op *) pc; | |
1159 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1160 | ||
1161 | dbg_printf("load field ref offset %u type string\n", | |
1162 | ref->offset); | |
53569322 | 1163 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1164 | estack_ax(stack, top)->u.s.str = |
97b58163 | 1165 | *(const char * const *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1166 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1167 | dbg_printf("Filter warning: loading a NULL string.\n"); |
1168 | ret = -EINVAL; | |
1169 | goto end; | |
1170 | } | |
9b33aac4 MD |
1171 | estack_ax(stack, top)->u.s.seq_len = UINT_MAX; |
1172 | estack_ax(stack, top)->u.s.literal = 0; | |
53569322 | 1173 | estack_ax_t = REG_STRING; |
9b33aac4 | 1174 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1175 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1176 | PO; | |
1177 | } | |
1178 | ||
1179 | OP(FILTER_OP_LOAD_FIELD_REF_SEQUENCE): | |
1180 | { | |
1181 | struct load_op *insn = (struct load_op *) pc; | |
1182 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1183 | ||
1184 | dbg_printf("load field ref offset %u type sequence\n", | |
1185 | ref->offset); | |
53569322 | 1186 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1187 | estack_ax(stack, top)->u.s.seq_len = |
97b58163 | 1188 | *(unsigned long *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1189 | estack_ax(stack, top)->u.s.str = |
97b58163 MD |
1190 | *(const char **) (&filter_stack_data[ref->offset |
1191 | + sizeof(unsigned long)]); | |
53569322 | 1192 | estack_ax_t = REG_STRING; |
9b33aac4 | 1193 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1194 | dbg_printf("Filter warning: loading a NULL sequence.\n"); |
1195 | ret = -EINVAL; | |
1196 | goto end; | |
1197 | } | |
9b33aac4 | 1198 | estack_ax(stack, top)->u.s.literal = 0; |
97b58163 MD |
1199 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1200 | PO; | |
1201 | } | |
1202 | ||
1203 | OP(FILTER_OP_LOAD_FIELD_REF_S64): | |
1204 | { | |
1205 | struct load_op *insn = (struct load_op *) pc; | |
1206 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1207 | ||
1208 | dbg_printf("load field ref offset %u type s64\n", | |
1209 | ref->offset); | |
53569322 | 1210 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 MD |
1211 | estack_ax_v = |
1212 | ((struct literal_numeric *) &filter_stack_data[ref->offset])->v; | |
53569322 | 1213 | estack_ax_t = REG_S64; |
9b33aac4 | 1214 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1215 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1216 | PO; | |
1217 | } | |
1218 | ||
1219 | OP(FILTER_OP_LOAD_FIELD_REF_DOUBLE): | |
1220 | { | |
1221 | struct load_op *insn = (struct load_op *) pc; | |
1222 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1223 | ||
1224 | dbg_printf("load field ref offset %u type double\n", | |
1225 | ref->offset); | |
53569322 | 1226 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1227 | memcpy(&estack_ax(stack, top)->u.d, &filter_stack_data[ref->offset], |
97b58163 | 1228 | sizeof(struct literal_double)); |
53569322 | 1229 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 1230 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
1231 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1232 | PO; | |
1233 | } | |
1234 | ||
77aa5901 | 1235 | /* load from immediate operand */ |
97b58163 MD |
1236 | OP(FILTER_OP_LOAD_STRING): |
1237 | { | |
1238 | struct load_op *insn = (struct load_op *) pc; | |
1239 | ||
1240 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 1241 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 MD |
1242 | estack_ax(stack, top)->u.s.str = insn->data; |
1243 | estack_ax(stack, top)->u.s.seq_len = UINT_MAX; | |
1244 | estack_ax(stack, top)->u.s.literal = 1; | |
53569322 | 1245 | estack_ax_t = REG_STRING; |
97b58163 MD |
1246 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
1247 | PO; | |
1248 | } | |
1249 | ||
1250 | OP(FILTER_OP_LOAD_S64): | |
1251 | { | |
1252 | struct load_op *insn = (struct load_op *) pc; | |
1253 | ||
53569322 | 1254 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1255 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 1256 | estack_ax_t = REG_S64; |
9b33aac4 | 1257 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1258 | next_pc += sizeof(struct load_op) |
1259 | + sizeof(struct literal_numeric); | |
1260 | PO; | |
1261 | } | |
1262 | ||
1263 | OP(FILTER_OP_LOAD_DOUBLE): | |
1264 | { | |
1265 | struct load_op *insn = (struct load_op *) pc; | |
1266 | ||
53569322 | 1267 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1268 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 1269 | sizeof(struct literal_double)); |
53569322 MD |
1270 | estack_ax_t = REG_DOUBLE; |
1271 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
1272 | next_pc += sizeof(struct load_op) |
1273 | + sizeof(struct literal_double); | |
1274 | PO; | |
1275 | } | |
1276 | ||
1277 | /* cast */ | |
1278 | OP(FILTER_OP_CAST_TO_S64): | |
53569322 MD |
1279 | { |
1280 | /* Dynamic typing. */ | |
1281 | switch (estack_ax_t) { | |
1282 | case REG_S64: | |
1283 | JUMP_TO(FILTER_OP_CAST_NOP); | |
1284 | case REG_DOUBLE: | |
1285 | JUMP_TO(FILTER_OP_CAST_DOUBLE_TO_S64); | |
1286 | case REG_STRING: | |
1287 | ret = -EINVAL; | |
1288 | goto end; | |
1289 | default: | |
1290 | ERR("Unknown filter register type (%d)", | |
1291 | (int) estack_ax_t); | |
1292 | ret = -EINVAL; | |
1293 | goto end; | |
1294 | } | |
1295 | } | |
97b58163 MD |
1296 | |
1297 | OP(FILTER_OP_CAST_DOUBLE_TO_S64): | |
1298 | { | |
9b33aac4 | 1299 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 1300 | estack_ax_t = REG_S64; |
97b58163 MD |
1301 | next_pc += sizeof(struct cast_op); |
1302 | PO; | |
1303 | } | |
1304 | ||
1305 | OP(FILTER_OP_CAST_NOP): | |
1306 | { | |
1307 | next_pc += sizeof(struct cast_op); | |
1308 | PO; | |
1309 | } | |
1310 | ||
77aa5901 | 1311 | /* get context ref */ |
53569322 MD |
1312 | OP(FILTER_OP_GET_CONTEXT_REF): |
1313 | { | |
1314 | struct load_op *insn = (struct load_op *) pc; | |
1315 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1316 | struct lttng_ctx *ctx; | |
1317 | struct lttng_ctx_field *ctx_field; | |
1318 | struct lttng_ctx_value v; | |
1319 | ||
1320 | dbg_printf("get context ref offset %u type dynamic\n", | |
1321 | ref->offset); | |
1322 | ctx = rcu_dereference(session->ctx); | |
1323 | ctx_field = &ctx->fields[ref->offset]; | |
1324 | ctx_field->get_value(ctx_field, &v); | |
1325 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
1326 | switch (v.sel) { | |
1327 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
1328 | ret = -EINVAL; | |
1329 | goto end; | |
1330 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
1331 | estack_ax_v = v.u.s64; | |
1332 | estack_ax_t = REG_S64; | |
1333 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
1334 | break; | |
1335 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
1336 | estack_ax(stack, top)->u.d = v.u.d; | |
1337 | estack_ax_t = REG_DOUBLE; | |
1338 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
1339 | break; | |
1340 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
1341 | estack_ax(stack, top)->u.s.str = v.u.str; | |
1342 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
1343 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
1344 | ret = -EINVAL; | |
1345 | goto end; | |
1346 | } | |
1347 | estack_ax(stack, top)->u.s.seq_len = UINT_MAX; | |
1348 | estack_ax(stack, top)->u.s.literal = 0; | |
1349 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); | |
1350 | estack_ax_t = REG_STRING; | |
1351 | break; | |
1352 | default: | |
1353 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
1354 | ret = -EINVAL; | |
1355 | goto end; | |
1356 | } | |
1357 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
1358 | PO; | |
1359 | } | |
1360 | ||
77aa5901 MD |
1361 | OP(FILTER_OP_GET_CONTEXT_REF_STRING): |
1362 | { | |
1363 | struct load_op *insn = (struct load_op *) pc; | |
1364 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 1365 | struct lttng_ctx *ctx; |
77aa5901 | 1366 | struct lttng_ctx_field *ctx_field; |
53569322 | 1367 | struct lttng_ctx_value v; |
77aa5901 MD |
1368 | |
1369 | dbg_printf("get context ref offset %u type string\n", | |
1370 | ref->offset); | |
53569322 MD |
1371 | ctx = rcu_dereference(session->ctx); |
1372 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 1373 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
1374 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
1375 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 MD |
1376 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
1377 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
1378 | ret = -EINVAL; | |
1379 | goto end; | |
1380 | } | |
1381 | estack_ax(stack, top)->u.s.seq_len = UINT_MAX; | |
1382 | estack_ax(stack, top)->u.s.literal = 0; | |
53569322 | 1383 | estack_ax_t = REG_STRING; |
77aa5901 MD |
1384 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
1385 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
1386 | PO; | |
1387 | } | |
1388 | ||
1389 | OP(FILTER_OP_GET_CONTEXT_REF_S64): | |
1390 | { | |
1391 | struct load_op *insn = (struct load_op *) pc; | |
1392 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 1393 | struct lttng_ctx *ctx; |
77aa5901 | 1394 | struct lttng_ctx_field *ctx_field; |
53569322 | 1395 | struct lttng_ctx_value v; |
77aa5901 MD |
1396 | |
1397 | dbg_printf("get context ref offset %u type s64\n", | |
1398 | ref->offset); | |
53569322 MD |
1399 | ctx = rcu_dereference(session->ctx); |
1400 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 1401 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
1402 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
1403 | estack_ax_v = v.u.s64; | |
1404 | estack_ax_t = REG_S64; | |
77aa5901 MD |
1405 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
1406 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
1407 | PO; | |
1408 | } | |
1409 | ||
1410 | OP(FILTER_OP_GET_CONTEXT_REF_DOUBLE): | |
1411 | { | |
1412 | struct load_op *insn = (struct load_op *) pc; | |
1413 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 1414 | struct lttng_ctx *ctx; |
77aa5901 | 1415 | struct lttng_ctx_field *ctx_field; |
53569322 | 1416 | struct lttng_ctx_value v; |
77aa5901 MD |
1417 | |
1418 | dbg_printf("get context ref offset %u type double\n", | |
1419 | ref->offset); | |
53569322 MD |
1420 | ctx = rcu_dereference(session->ctx); |
1421 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 1422 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
1423 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
1424 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
1425 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
1426 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
1427 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
1428 | PO; | |
1429 | } | |
1430 | ||
97b58163 MD |
1431 | END_OP |
1432 | end: | |
1433 | /* return 0 (discard) on error */ | |
1434 | if (ret) | |
1435 | return 0; | |
1436 | return retval; | |
1437 | } | |
1438 | ||
1439 | #undef START_OP | |
1440 | #undef OP | |
1441 | #undef PO | |
1442 | #undef END_OP |