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