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> |
a63d0dc8 | 29 | #include <stdint.h> |
47e5f13e | 30 | #include <byteswap.h> |
97b58163 | 31 | #include "lttng-filter.h" |
3151a51d | 32 | #include "string-utils.h" |
97b58163 MD |
33 | |
34 | /* | |
35 | * -1: wildcard found. | |
36 | * -2: unknown escape char. | |
37 | * 0: normal char. | |
38 | */ | |
39 | ||
40 | static | |
41 | int parse_char(const char **p) | |
42 | { | |
43 | switch (**p) { | |
44 | case '\\': | |
45 | (*p)++; | |
46 | switch (**p) { | |
47 | case '\\': | |
48 | case '*': | |
49 | return 0; | |
50 | default: | |
51 | return -2; | |
52 | } | |
53 | case '*': | |
54 | return -1; | |
55 | default: | |
56 | return 0; | |
57 | } | |
58 | } | |
59 | ||
3151a51d | 60 | /* |
a63d0dc8 | 61 | * Returns SIZE_MAX if the string is null-terminated, or the number of |
3151a51d PP |
62 | * characters if not. |
63 | */ | |
64 | static | |
65 | size_t get_str_or_seq_len(const struct estack_entry *entry) | |
66 | { | |
a63d0dc8 | 67 | return entry->u.s.seq_len; |
3151a51d PP |
68 | } |
69 | ||
70 | static | |
71 | int stack_star_glob_match(struct estack *stack, int top, const char *cmp_type) | |
72 | { | |
73 | const char *pattern; | |
74 | const char *candidate; | |
75 | size_t pattern_len; | |
76 | size_t candidate_len; | |
77 | ||
78 | /* Find out which side is the pattern vs. the candidate. */ | |
79 | if (estack_ax(stack, top)->u.s.literal_type == ESTACK_STRING_LITERAL_TYPE_STAR_GLOB) { | |
80 | pattern = estack_ax(stack, top)->u.s.str; | |
81 | pattern_len = get_str_or_seq_len(estack_ax(stack, top)); | |
82 | candidate = estack_bx(stack, top)->u.s.str; | |
83 | candidate_len = get_str_or_seq_len(estack_bx(stack, top)); | |
84 | } else { | |
85 | pattern = estack_bx(stack, top)->u.s.str; | |
86 | pattern_len = get_str_or_seq_len(estack_bx(stack, top)); | |
87 | candidate = estack_ax(stack, top)->u.s.str; | |
88 | candidate_len = get_str_or_seq_len(estack_ax(stack, top)); | |
89 | } | |
90 | ||
91 | /* Perform the match. Returns 0 when the result is true. */ | |
92 | return !strutils_star_glob_match(pattern, pattern_len, candidate, | |
93 | candidate_len); | |
94 | } | |
95 | ||
97b58163 | 96 | static |
9b33aac4 | 97 | int stack_strcmp(struct estack *stack, int top, const char *cmp_type) |
97b58163 | 98 | { |
9b33aac4 | 99 | const char *p = estack_bx(stack, top)->u.s.str, *q = estack_ax(stack, top)->u.s.str; |
97b58163 MD |
100 | int ret; |
101 | int diff; | |
102 | ||
103 | for (;;) { | |
104 | int escaped_r0 = 0; | |
105 | ||
332335cd MD |
106 | if (unlikely(p - estack_bx(stack, top)->u.s.str >= estack_bx(stack, top)->u.s.seq_len || *p == '\0')) { |
107 | if (q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0') { | |
5cf8141d | 108 | return 0; |
a0928c1e | 109 | } else { |
3151a51d PP |
110 | if (estack_ax(stack, top)->u.s.literal_type == |
111 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
5cf8141d MD |
112 | ret = parse_char(&q); |
113 | if (ret == -1) | |
114 | return 0; | |
115 | } | |
116 | return -1; | |
a0928c1e | 117 | } |
97b58163 | 118 | } |
332335cd | 119 | if (unlikely(q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0')) { |
3151a51d PP |
120 | if (estack_bx(stack, top)->u.s.literal_type == |
121 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
3e6a0694 MD |
122 | ret = parse_char(&p); |
123 | if (ret == -1) | |
124 | return 0; | |
a0928c1e | 125 | } |
3e6a0694 | 126 | return 1; |
97b58163 | 127 | } |
3151a51d PP |
128 | if (estack_bx(stack, top)->u.s.literal_type == |
129 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
97b58163 MD |
130 | ret = parse_char(&p); |
131 | if (ret == -1) { | |
132 | return 0; | |
133 | } else if (ret == -2) { | |
134 | escaped_r0 = 1; | |
135 | } | |
136 | /* else compare both char */ | |
137 | } | |
3151a51d PP |
138 | if (estack_ax(stack, top)->u.s.literal_type == |
139 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
97b58163 MD |
140 | ret = parse_char(&q); |
141 | if (ret == -1) { | |
142 | return 0; | |
143 | } else if (ret == -2) { | |
144 | if (!escaped_r0) | |
145 | return -1; | |
146 | } else { | |
147 | if (escaped_r0) | |
148 | return 1; | |
149 | } | |
150 | } else { | |
151 | if (escaped_r0) | |
152 | return 1; | |
153 | } | |
154 | diff = *p - *q; | |
155 | if (diff != 0) | |
156 | break; | |
157 | p++; | |
158 | q++; | |
159 | } | |
160 | return diff; | |
161 | } | |
162 | ||
8a92ed2a | 163 | uint64_t lttng_filter_false(void *filter_data, |
97b58163 MD |
164 | const char *filter_stack_data) |
165 | { | |
166 | return 0; | |
167 | } | |
168 | ||
169 | #ifdef INTERPRETER_USE_SWITCH | |
170 | ||
171 | /* | |
172 | * Fallback for compilers that do not support taking address of labels. | |
173 | */ | |
174 | ||
175 | #define START_OP \ | |
176 | start_pc = &bytecode->data[0]; \ | |
177 | for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; \ | |
178 | pc = next_pc) { \ | |
179 | dbg_printf("Executing op %s (%u)\n", \ | |
180 | print_op((unsigned int) *(filter_opcode_t *) pc), \ | |
181 | (unsigned int) *(filter_opcode_t *) pc); \ | |
182 | switch (*(filter_opcode_t *) pc) { | |
183 | ||
53569322 MD |
184 | #define OP(name) jump_target_##name: __attribute__((unused)); \ |
185 | case name | |
97b58163 MD |
186 | |
187 | #define PO break | |
188 | ||
189 | #define END_OP } \ | |
190 | } | |
191 | ||
53569322 MD |
192 | #define JUMP_TO(name) \ |
193 | goto jump_target_##name | |
194 | ||
97b58163 MD |
195 | #else |
196 | ||
197 | /* | |
198 | * Dispatch-table based interpreter. | |
199 | */ | |
200 | ||
201 | #define START_OP \ | |
47e5f13e | 202 | start_pc = &bytecode->code[0]; \ |
97b58163 MD |
203 | pc = next_pc = start_pc; \ |
204 | if (unlikely(pc - start_pc >= bytecode->len)) \ | |
205 | goto end; \ | |
206 | goto *dispatch[*(filter_opcode_t *) pc]; | |
207 | ||
208 | #define OP(name) \ | |
209 | LABEL_##name | |
210 | ||
211 | #define PO \ | |
212 | pc = next_pc; \ | |
213 | goto *dispatch[*(filter_opcode_t *) pc]; | |
214 | ||
215 | #define END_OP | |
216 | ||
53569322 MD |
217 | #define JUMP_TO(name) \ |
218 | goto LABEL_##name | |
219 | ||
97b58163 MD |
220 | #endif |
221 | ||
47e5f13e MD |
222 | static int context_get_index(struct lttng_ctx *ctx, |
223 | struct load_ptr *ptr, | |
224 | uint32_t idx) | |
225 | { | |
226 | ||
227 | struct lttng_ctx_field *ctx_field; | |
228 | struct lttng_event_field *field; | |
229 | struct lttng_ctx_value v; | |
230 | ||
231 | ctx_field = &ctx->fields[idx]; | |
232 | field = &ctx_field->event_field; | |
233 | ptr->type = LOAD_OBJECT; | |
234 | /* field is only used for types nested within variants. */ | |
235 | ptr->field = NULL; | |
236 | ||
237 | switch (field->type.atype) { | |
238 | case atype_integer: | |
239 | ctx_field->get_value(ctx_field, &v); | |
240 | if (field->type.u.basic.integer.signedness) { | |
241 | ptr->object_type = OBJECT_TYPE_S64; | |
242 | ptr->u.s64 = v.u.s64; | |
243 | ptr->ptr = &ptr->u.s64; | |
244 | } else { | |
245 | ptr->object_type = OBJECT_TYPE_U64; | |
246 | ptr->u.u64 = v.u.s64; /* Cast. */ | |
247 | ptr->ptr = &ptr->u.u64; | |
248 | } | |
249 | break; | |
250 | case atype_enum: | |
251 | { | |
252 | const struct lttng_integer_type *itype = | |
253 | &field->type.u.basic.enumeration.container_type; | |
254 | ||
255 | ctx_field->get_value(ctx_field, &v); | |
256 | if (itype->signedness) { | |
257 | ptr->object_type = OBJECT_TYPE_S64; | |
258 | ptr->u.s64 = v.u.s64; | |
259 | ptr->ptr = &ptr->u.s64; | |
260 | } else { | |
261 | ptr->object_type = OBJECT_TYPE_U64; | |
262 | ptr->u.u64 = v.u.s64; /* Cast. */ | |
263 | ptr->ptr = &ptr->u.u64; | |
264 | } | |
265 | break; | |
266 | } | |
267 | case atype_array: | |
268 | if (field->type.u.array.elem_type.atype != atype_integer) { | |
269 | ERR("Array nesting only supports integer types."); | |
270 | return -EINVAL; | |
271 | } | |
272 | if (field->type.u.array.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
273 | ERR("Only string arrays are supported for contexts."); | |
274 | return -EINVAL; | |
275 | } | |
276 | ptr->object_type = OBJECT_TYPE_STRING; | |
277 | ctx_field->get_value(ctx_field, &v); | |
278 | ptr->ptr = v.u.str; | |
279 | break; | |
280 | case atype_sequence: | |
281 | if (field->type.u.sequence.elem_type.atype != atype_integer) { | |
282 | ERR("Sequence nesting only supports integer types."); | |
283 | return -EINVAL; | |
284 | } | |
285 | if (field->type.u.sequence.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
286 | ERR("Only string sequences are supported for contexts."); | |
287 | return -EINVAL; | |
288 | } | |
289 | ptr->object_type = OBJECT_TYPE_STRING; | |
290 | ctx_field->get_value(ctx_field, &v); | |
291 | ptr->ptr = v.u.str; | |
292 | break; | |
293 | case atype_string: | |
294 | ptr->object_type = OBJECT_TYPE_STRING; | |
295 | ctx_field->get_value(ctx_field, &v); | |
296 | ptr->ptr = v.u.str; | |
297 | break; | |
298 | case atype_float: | |
299 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
300 | ptr->u.d = v.u.d; | |
301 | ptr->ptr = &ptr->u.d; | |
302 | break; | |
303 | case atype_dynamic: | |
304 | ctx_field->get_value(ctx_field, &v); | |
305 | switch (v.sel) { | |
306 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
307 | return -EINVAL; | |
308 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
309 | ptr->object_type = OBJECT_TYPE_S64; | |
310 | ptr->u.s64 = v.u.s64; | |
311 | ptr->ptr = &ptr->u.s64; | |
312 | dbg_printf("context get index dynamic s64 %" PRIi64 "\n", ptr->u.s64); | |
313 | break; | |
314 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
315 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
316 | ptr->u.d = v.u.d; | |
317 | ptr->ptr = &ptr->u.d; | |
318 | dbg_printf("context get index dynamic double %g\n", ptr->u.d); | |
319 | break; | |
320 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
321 | ptr->object_type = OBJECT_TYPE_STRING; | |
322 | ptr->ptr = v.u.str; | |
323 | dbg_printf("context get index dynamic string %s\n", (const char *) ptr->ptr); | |
324 | break; | |
325 | default: | |
326 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
327 | return -EINVAL; | |
328 | } | |
329 | break; | |
330 | case atype_struct: | |
331 | ERR("Structure type cannot be loaded."); | |
332 | return -EINVAL; | |
333 | default: | |
334 | ERR("Unknown type: %d", (int) field->type.atype); | |
335 | return -EINVAL; | |
336 | } | |
337 | return 0; | |
338 | } | |
339 | ||
340 | static int dynamic_get_index(struct lttng_session *session, | |
341 | struct bytecode_runtime *runtime, | |
342 | uint64_t index, struct estack_entry *stack_top) | |
343 | { | |
344 | int ret; | |
345 | const struct filter_get_index_data *gid; | |
346 | ||
347 | /* | |
348 | * Types nested within variants need to perform dynamic lookup | |
349 | * based on the field descriptions. LTTng-UST does not implement | |
350 | * variants for now. | |
351 | */ | |
352 | if (stack_top->u.ptr.field) | |
353 | return -EINVAL; | |
354 | gid = (const struct filter_get_index_data *) &runtime->data[index]; | |
355 | switch (stack_top->u.ptr.type) { | |
356 | case LOAD_OBJECT: | |
357 | switch (stack_top->u.ptr.object_type) { | |
358 | case OBJECT_TYPE_ARRAY: | |
359 | { | |
360 | const char *ptr; | |
361 | ||
362 | assert(gid->offset < gid->array_len); | |
363 | /* Skip count (unsigned long) */ | |
364 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
365 | ptr = ptr + gid->offset; | |
366 | stack_top->u.ptr.ptr = ptr; | |
367 | stack_top->u.ptr.object_type = gid->elem.type; | |
368 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
369 | /* field is only used for types nested within variants. */ | |
370 | stack_top->u.ptr.field = NULL; | |
371 | break; | |
372 | } | |
373 | case OBJECT_TYPE_SEQUENCE: | |
374 | { | |
375 | const char *ptr; | |
376 | size_t ptr_seq_len; | |
377 | ||
378 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
379 | ptr_seq_len = *(unsigned long *) stack_top->u.ptr.ptr; | |
380 | if (gid->offset >= gid->elem.len * ptr_seq_len) { | |
381 | ret = -EINVAL; | |
382 | goto end; | |
383 | } | |
384 | ptr = ptr + gid->offset; | |
385 | stack_top->u.ptr.ptr = ptr; | |
386 | stack_top->u.ptr.object_type = gid->elem.type; | |
387 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
388 | /* field is only used for types nested within variants. */ | |
389 | stack_top->u.ptr.field = NULL; | |
390 | break; | |
391 | } | |
392 | case OBJECT_TYPE_STRUCT: | |
393 | ERR("Nested structures are not supported yet."); | |
394 | ret = -EINVAL; | |
395 | goto end; | |
396 | case OBJECT_TYPE_VARIANT: | |
397 | default: | |
398 | ERR("Unexpected get index type %d", | |
399 | (int) stack_top->u.ptr.object_type); | |
400 | ret = -EINVAL; | |
401 | goto end; | |
402 | } | |
403 | break; | |
404 | case LOAD_ROOT_CONTEXT: | |
405 | case LOAD_ROOT_APP_CONTEXT: /* Fall-through */ | |
406 | { | |
407 | struct lttng_ctx *ctx; | |
408 | ||
409 | ctx = rcu_dereference(session->ctx); | |
410 | ret = context_get_index(ctx, | |
411 | &stack_top->u.ptr, | |
412 | gid->ctx_index); | |
413 | if (ret) { | |
414 | goto end; | |
415 | } | |
416 | break; | |
417 | } | |
418 | case LOAD_ROOT_PAYLOAD: | |
419 | stack_top->u.ptr.ptr += gid->offset; | |
420 | if (gid->elem.type == OBJECT_TYPE_STRING) | |
421 | stack_top->u.ptr.ptr = *(const char * const *) stack_top->u.ptr.ptr; | |
422 | stack_top->u.ptr.object_type = gid->elem.type; | |
423 | stack_top->u.ptr.type = LOAD_OBJECT; | |
424 | /* field is only used for types nested within variants. */ | |
425 | stack_top->u.ptr.field = NULL; | |
426 | break; | |
427 | } | |
428 | return 0; | |
429 | ||
430 | end: | |
431 | return ret; | |
432 | } | |
433 | ||
434 | static int dynamic_load_field(struct estack_entry *stack_top) | |
435 | { | |
436 | int ret; | |
437 | ||
438 | switch (stack_top->u.ptr.type) { | |
439 | case LOAD_OBJECT: | |
440 | break; | |
441 | case LOAD_ROOT_CONTEXT: | |
442 | case LOAD_ROOT_APP_CONTEXT: | |
443 | case LOAD_ROOT_PAYLOAD: | |
444 | default: | |
445 | dbg_printf("Filter warning: cannot load root, missing field name.\n"); | |
446 | ret = -EINVAL; | |
447 | goto end; | |
448 | } | |
449 | switch (stack_top->u.ptr.object_type) { | |
450 | case OBJECT_TYPE_S8: | |
451 | dbg_printf("op load field s8\n"); | |
452 | stack_top->u.v = *(int8_t *) stack_top->u.ptr.ptr; | |
453 | stack_top->type = REG_S64; | |
454 | break; | |
455 | case OBJECT_TYPE_S16: | |
456 | { | |
457 | int16_t tmp; | |
458 | ||
459 | dbg_printf("op load field s16\n"); | |
460 | tmp = *(int16_t *) stack_top->u.ptr.ptr; | |
461 | if (stack_top->u.ptr.rev_bo) | |
462 | tmp = bswap_16(tmp); | |
463 | stack_top->u.v = tmp; | |
464 | stack_top->type = REG_S64; | |
465 | break; | |
466 | } | |
467 | case OBJECT_TYPE_S32: | |
468 | { | |
469 | int32_t tmp; | |
470 | ||
471 | dbg_printf("op load field s32\n"); | |
472 | tmp = *(int32_t *) stack_top->u.ptr.ptr; | |
473 | if (stack_top->u.ptr.rev_bo) | |
474 | tmp = bswap_32(tmp); | |
475 | stack_top->u.v = tmp; | |
476 | stack_top->type = REG_S64; | |
477 | break; | |
478 | } | |
479 | case OBJECT_TYPE_S64: | |
480 | { | |
481 | int64_t tmp; | |
482 | ||
483 | dbg_printf("op load field s64\n"); | |
484 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
485 | if (stack_top->u.ptr.rev_bo) | |
486 | tmp = bswap_64(tmp); | |
487 | stack_top->u.v = tmp; | |
488 | stack_top->type = REG_S64; | |
489 | break; | |
490 | } | |
491 | case OBJECT_TYPE_U8: | |
492 | dbg_printf("op load field u8\n"); | |
493 | stack_top->u.v = *(uint8_t *) stack_top->u.ptr.ptr; | |
494 | stack_top->type = REG_S64; | |
495 | break; | |
496 | case OBJECT_TYPE_U16: | |
497 | { | |
498 | uint16_t tmp; | |
499 | ||
500 | dbg_printf("op load field s16\n"); | |
501 | tmp = *(uint16_t *) stack_top->u.ptr.ptr; | |
502 | if (stack_top->u.ptr.rev_bo) | |
503 | tmp = bswap_16(tmp); | |
504 | stack_top->u.v = tmp; | |
505 | stack_top->type = REG_S64; | |
506 | break; | |
507 | } | |
508 | case OBJECT_TYPE_U32: | |
509 | { | |
510 | uint32_t tmp; | |
511 | ||
512 | dbg_printf("op load field u32\n"); | |
513 | tmp = *(uint32_t *) stack_top->u.ptr.ptr; | |
514 | if (stack_top->u.ptr.rev_bo) | |
515 | tmp = bswap_32(tmp); | |
516 | stack_top->u.v = tmp; | |
517 | stack_top->type = REG_S64; | |
518 | break; | |
519 | } | |
520 | case OBJECT_TYPE_U64: | |
521 | { | |
522 | uint64_t tmp; | |
523 | ||
524 | dbg_printf("op load field u64\n"); | |
525 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
526 | if (stack_top->u.ptr.rev_bo) | |
527 | tmp = bswap_64(tmp); | |
528 | stack_top->u.v = tmp; | |
529 | stack_top->type = REG_S64; | |
530 | break; | |
531 | } | |
532 | case OBJECT_TYPE_DOUBLE: | |
533 | memcpy(&stack_top->u.d, | |
534 | stack_top->u.ptr.ptr, | |
535 | sizeof(struct literal_double)); | |
536 | stack_top->type = REG_DOUBLE; | |
537 | break; | |
538 | case OBJECT_TYPE_STRING: | |
539 | { | |
540 | const char *str; | |
541 | ||
542 | dbg_printf("op load field string\n"); | |
543 | str = (const char *) stack_top->u.ptr.ptr; | |
544 | stack_top->u.s.str = str; | |
545 | if (unlikely(!stack_top->u.s.str)) { | |
546 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
547 | ret = -EINVAL; | |
548 | goto end; | |
549 | } | |
550 | stack_top->u.s.seq_len = SIZE_MAX; | |
551 | stack_top->u.s.literal_type = | |
552 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
553 | stack_top->type = REG_STRING; | |
554 | break; | |
555 | } | |
556 | case OBJECT_TYPE_STRING_SEQUENCE: | |
557 | { | |
558 | const char *ptr; | |
559 | ||
560 | dbg_printf("op load field string sequence\n"); | |
561 | ptr = stack_top->u.ptr.ptr; | |
562 | stack_top->u.s.seq_len = *(unsigned long *) ptr; | |
563 | stack_top->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
564 | stack_top->type = REG_STRING; | |
565 | if (unlikely(!stack_top->u.s.str)) { | |
566 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
567 | ret = -EINVAL; | |
568 | goto end; | |
569 | } | |
570 | stack_top->u.s.literal_type = | |
571 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
572 | break; | |
573 | } | |
574 | case OBJECT_TYPE_DYNAMIC: | |
575 | /* | |
576 | * Dynamic types in context are looked up | |
577 | * by context get index. | |
578 | */ | |
579 | ret = -EINVAL; | |
580 | goto end; | |
581 | case OBJECT_TYPE_SEQUENCE: | |
582 | case OBJECT_TYPE_ARRAY: | |
583 | case OBJECT_TYPE_STRUCT: | |
584 | case OBJECT_TYPE_VARIANT: | |
585 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
586 | ret = -EINVAL; | |
587 | goto end; | |
588 | } | |
589 | return 0; | |
590 | ||
591 | end: | |
592 | return ret; | |
593 | } | |
594 | ||
8a92ed2a MD |
595 | /* |
596 | * Return 0 (discard), or raise the 0x1 flag (log event). | |
597 | * Currently, other flags are kept for future extensions and have no | |
598 | * effect. | |
599 | */ | |
600 | uint64_t lttng_filter_interpret_bytecode(void *filter_data, | |
97b58163 MD |
601 | const char *filter_stack_data) |
602 | { | |
603 | struct bytecode_runtime *bytecode = filter_data; | |
53569322 | 604 | struct lttng_session *session = bytecode->p.session; |
97b58163 MD |
605 | void *pc, *next_pc, *start_pc; |
606 | int ret = -EINVAL; | |
8b82df15 | 607 | uint64_t retval = 0; |
0305960f MD |
608 | struct estack _stack; |
609 | struct estack *stack = &_stack; | |
9b33aac4 | 610 | register int64_t ax = 0, bx = 0; |
53569322 | 611 | register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; |
9b33aac4 | 612 | register int top = FILTER_STACK_EMPTY; |
97b58163 MD |
613 | #ifndef INTERPRETER_USE_SWITCH |
614 | static void *dispatch[NR_FILTER_OPS] = { | |
615 | [ FILTER_OP_UNKNOWN ] = &&LABEL_FILTER_OP_UNKNOWN, | |
616 | ||
617 | [ FILTER_OP_RETURN ] = &&LABEL_FILTER_OP_RETURN, | |
618 | ||
619 | /* binary */ | |
620 | [ FILTER_OP_MUL ] = &&LABEL_FILTER_OP_MUL, | |
621 | [ FILTER_OP_DIV ] = &&LABEL_FILTER_OP_DIV, | |
622 | [ FILTER_OP_MOD ] = &&LABEL_FILTER_OP_MOD, | |
623 | [ FILTER_OP_PLUS ] = &&LABEL_FILTER_OP_PLUS, | |
624 | [ FILTER_OP_MINUS ] = &&LABEL_FILTER_OP_MINUS, | |
0039e2d8 MD |
625 | [ FILTER_OP_BIT_RSHIFT ] = &&LABEL_FILTER_OP_BIT_RSHIFT, |
626 | [ FILTER_OP_BIT_LSHIFT ] = &&LABEL_FILTER_OP_BIT_LSHIFT, | |
47e5f13e MD |
627 | [ FILTER_OP_BIT_AND ] = &&LABEL_FILTER_OP_BIT_AND, |
628 | [ FILTER_OP_BIT_OR ] = &&LABEL_FILTER_OP_BIT_OR, | |
629 | [ FILTER_OP_BIT_XOR ] = &&LABEL_FILTER_OP_BIT_XOR, | |
97b58163 MD |
630 | |
631 | /* binary comparators */ | |
632 | [ FILTER_OP_EQ ] = &&LABEL_FILTER_OP_EQ, | |
633 | [ FILTER_OP_NE ] = &&LABEL_FILTER_OP_NE, | |
634 | [ FILTER_OP_GT ] = &&LABEL_FILTER_OP_GT, | |
635 | [ FILTER_OP_LT ] = &&LABEL_FILTER_OP_LT, | |
636 | [ FILTER_OP_GE ] = &&LABEL_FILTER_OP_GE, | |
637 | [ FILTER_OP_LE ] = &&LABEL_FILTER_OP_LE, | |
638 | ||
639 | /* string binary comparator */ | |
640 | [ FILTER_OP_EQ_STRING ] = &&LABEL_FILTER_OP_EQ_STRING, | |
641 | [ FILTER_OP_NE_STRING ] = &&LABEL_FILTER_OP_NE_STRING, | |
642 | [ FILTER_OP_GT_STRING ] = &&LABEL_FILTER_OP_GT_STRING, | |
643 | [ FILTER_OP_LT_STRING ] = &&LABEL_FILTER_OP_LT_STRING, | |
644 | [ FILTER_OP_GE_STRING ] = &&LABEL_FILTER_OP_GE_STRING, | |
645 | [ FILTER_OP_LE_STRING ] = &&LABEL_FILTER_OP_LE_STRING, | |
646 | ||
3151a51d PP |
647 | /* globbing pattern binary comparator */ |
648 | [ FILTER_OP_EQ_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_EQ_STAR_GLOB_STRING, | |
649 | [ FILTER_OP_NE_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_NE_STAR_GLOB_STRING, | |
650 | ||
97b58163 MD |
651 | /* s64 binary comparator */ |
652 | [ FILTER_OP_EQ_S64 ] = &&LABEL_FILTER_OP_EQ_S64, | |
653 | [ FILTER_OP_NE_S64 ] = &&LABEL_FILTER_OP_NE_S64, | |
654 | [ FILTER_OP_GT_S64 ] = &&LABEL_FILTER_OP_GT_S64, | |
655 | [ FILTER_OP_LT_S64 ] = &&LABEL_FILTER_OP_LT_S64, | |
656 | [ FILTER_OP_GE_S64 ] = &&LABEL_FILTER_OP_GE_S64, | |
657 | [ FILTER_OP_LE_S64 ] = &&LABEL_FILTER_OP_LE_S64, | |
658 | ||
659 | /* double binary comparator */ | |
660 | [ FILTER_OP_EQ_DOUBLE ] = &&LABEL_FILTER_OP_EQ_DOUBLE, | |
661 | [ FILTER_OP_NE_DOUBLE ] = &&LABEL_FILTER_OP_NE_DOUBLE, | |
662 | [ FILTER_OP_GT_DOUBLE ] = &&LABEL_FILTER_OP_GT_DOUBLE, | |
663 | [ FILTER_OP_LT_DOUBLE ] = &&LABEL_FILTER_OP_LT_DOUBLE, | |
664 | [ FILTER_OP_GE_DOUBLE ] = &&LABEL_FILTER_OP_GE_DOUBLE, | |
665 | [ FILTER_OP_LE_DOUBLE ] = &&LABEL_FILTER_OP_LE_DOUBLE, | |
666 | ||
dbea82ec MD |
667 | /* Mixed S64-double binary comparators */ |
668 | [ FILTER_OP_EQ_DOUBLE_S64 ] = &&LABEL_FILTER_OP_EQ_DOUBLE_S64, | |
669 | [ FILTER_OP_NE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_NE_DOUBLE_S64, | |
670 | [ FILTER_OP_GT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GT_DOUBLE_S64, | |
671 | [ FILTER_OP_LT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LT_DOUBLE_S64, | |
672 | [ FILTER_OP_GE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GE_DOUBLE_S64, | |
673 | [ FILTER_OP_LE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LE_DOUBLE_S64, | |
674 | ||
675 | [ FILTER_OP_EQ_S64_DOUBLE ] = &&LABEL_FILTER_OP_EQ_S64_DOUBLE, | |
676 | [ FILTER_OP_NE_S64_DOUBLE ] = &&LABEL_FILTER_OP_NE_S64_DOUBLE, | |
677 | [ FILTER_OP_GT_S64_DOUBLE ] = &&LABEL_FILTER_OP_GT_S64_DOUBLE, | |
678 | [ FILTER_OP_LT_S64_DOUBLE ] = &&LABEL_FILTER_OP_LT_S64_DOUBLE, | |
679 | [ FILTER_OP_GE_S64_DOUBLE ] = &&LABEL_FILTER_OP_GE_S64_DOUBLE, | |
680 | [ FILTER_OP_LE_S64_DOUBLE ] = &&LABEL_FILTER_OP_LE_S64_DOUBLE, | |
681 | ||
97b58163 MD |
682 | /* unary */ |
683 | [ FILTER_OP_UNARY_PLUS ] = &&LABEL_FILTER_OP_UNARY_PLUS, | |
684 | [ FILTER_OP_UNARY_MINUS ] = &&LABEL_FILTER_OP_UNARY_MINUS, | |
685 | [ FILTER_OP_UNARY_NOT ] = &&LABEL_FILTER_OP_UNARY_NOT, | |
686 | [ FILTER_OP_UNARY_PLUS_S64 ] = &&LABEL_FILTER_OP_UNARY_PLUS_S64, | |
687 | [ FILTER_OP_UNARY_MINUS_S64 ] = &&LABEL_FILTER_OP_UNARY_MINUS_S64, | |
688 | [ FILTER_OP_UNARY_NOT_S64 ] = &&LABEL_FILTER_OP_UNARY_NOT_S64, | |
689 | [ FILTER_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_PLUS_DOUBLE, | |
690 | [ FILTER_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_MINUS_DOUBLE, | |
691 | [ FILTER_OP_UNARY_NOT_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_NOT_DOUBLE, | |
692 | ||
693 | /* logical */ | |
694 | [ FILTER_OP_AND ] = &&LABEL_FILTER_OP_AND, | |
695 | [ FILTER_OP_OR ] = &&LABEL_FILTER_OP_OR, | |
696 | ||
77aa5901 | 697 | /* load field ref */ |
97b58163 MD |
698 | [ FILTER_OP_LOAD_FIELD_REF ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF, |
699 | [ FILTER_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_STRING, | |
700 | [ FILTER_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_SEQUENCE, | |
701 | [ FILTER_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_S64, | |
702 | [ FILTER_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_DOUBLE, | |
703 | ||
77aa5901 | 704 | /* load from immediate operand */ |
97b58163 | 705 | [ FILTER_OP_LOAD_STRING ] = &&LABEL_FILTER_OP_LOAD_STRING, |
3151a51d | 706 | [ FILTER_OP_LOAD_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_LOAD_STAR_GLOB_STRING, |
97b58163 MD |
707 | [ FILTER_OP_LOAD_S64 ] = &&LABEL_FILTER_OP_LOAD_S64, |
708 | [ FILTER_OP_LOAD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_DOUBLE, | |
709 | ||
710 | /* cast */ | |
711 | [ FILTER_OP_CAST_TO_S64 ] = &&LABEL_FILTER_OP_CAST_TO_S64, | |
712 | [ FILTER_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_FILTER_OP_CAST_DOUBLE_TO_S64, | |
713 | [ FILTER_OP_CAST_NOP ] = &&LABEL_FILTER_OP_CAST_NOP, | |
77aa5901 MD |
714 | |
715 | /* get context ref */ | |
716 | [ FILTER_OP_GET_CONTEXT_REF ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF, | |
717 | [ FILTER_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_STRING, | |
718 | [ FILTER_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_S64, | |
719 | [ FILTER_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_DOUBLE, | |
47e5f13e MD |
720 | |
721 | /* Instructions for recursive traversal through composed types. */ | |
722 | [ FILTER_OP_GET_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_CONTEXT_ROOT, | |
723 | [ FILTER_OP_GET_APP_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_APP_CONTEXT_ROOT, | |
724 | [ FILTER_OP_GET_PAYLOAD_ROOT ] = &&LABEL_FILTER_OP_GET_PAYLOAD_ROOT, | |
725 | ||
726 | [ FILTER_OP_GET_SYMBOL ] = &&LABEL_FILTER_OP_GET_SYMBOL, | |
727 | [ FILTER_OP_GET_SYMBOL_FIELD ] = &&LABEL_FILTER_OP_GET_SYMBOL_FIELD, | |
728 | [ FILTER_OP_GET_INDEX_U16 ] = &&LABEL_FILTER_OP_GET_INDEX_U16, | |
729 | [ FILTER_OP_GET_INDEX_U64 ] = &&LABEL_FILTER_OP_GET_INDEX_U64, | |
730 | ||
731 | [ FILTER_OP_LOAD_FIELD ] = &&LABEL_FILTER_OP_LOAD_FIELD, | |
732 | [ FILTER_OP_LOAD_FIELD_S8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S8, | |
733 | [ FILTER_OP_LOAD_FIELD_S16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S16, | |
734 | [ FILTER_OP_LOAD_FIELD_S32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S32, | |
735 | [ FILTER_OP_LOAD_FIELD_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S64, | |
736 | [ FILTER_OP_LOAD_FIELD_U8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U8, | |
737 | [ FILTER_OP_LOAD_FIELD_U16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U16, | |
738 | [ FILTER_OP_LOAD_FIELD_U32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U32, | |
739 | [ FILTER_OP_LOAD_FIELD_U64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U64, | |
740 | [ FILTER_OP_LOAD_FIELD_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_STRING, | |
741 | [ FILTER_OP_LOAD_FIELD_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_SEQUENCE, | |
742 | [ FILTER_OP_LOAD_FIELD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_DOUBLE, | |
0039e2d8 MD |
743 | |
744 | [ FILTER_OP_UNARY_BIT_NOT ] = &&LABEL_FILTER_OP_UNARY_BIT_NOT, | |
97b58163 MD |
745 | }; |
746 | #endif /* #ifndef INTERPRETER_USE_SWITCH */ | |
747 | ||
748 | START_OP | |
749 | ||
750 | OP(FILTER_OP_UNKNOWN): | |
751 | OP(FILTER_OP_LOAD_FIELD_REF): | |
752 | #ifdef INTERPRETER_USE_SWITCH | |
753 | default: | |
754 | #endif /* INTERPRETER_USE_SWITCH */ | |
47e5f13e | 755 | ERR("unknown bytecode op %u", |
97b58163 MD |
756 | (unsigned int) *(filter_opcode_t *) pc); |
757 | ret = -EINVAL; | |
758 | goto end; | |
759 | ||
760 | OP(FILTER_OP_RETURN): | |
8a92ed2a | 761 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
47e5f13e MD |
762 | /* Handle dynamic typing. */ |
763 | switch (estack_ax_t) { | |
764 | case REG_S64: | |
765 | retval = !!estack_ax_v; | |
766 | break; | |
767 | case REG_DOUBLE: | |
768 | case REG_STRING: | |
769 | case REG_STAR_GLOB_STRING: | |
770 | default: | |
771 | ret = -EINVAL; | |
772 | goto end; | |
773 | } | |
97b58163 MD |
774 | ret = 0; |
775 | goto end; | |
776 | ||
777 | /* binary */ | |
778 | OP(FILTER_OP_MUL): | |
779 | OP(FILTER_OP_DIV): | |
780 | OP(FILTER_OP_MOD): | |
781 | OP(FILTER_OP_PLUS): | |
782 | OP(FILTER_OP_MINUS): | |
47e5f13e | 783 | ERR("unsupported bytecode op %u", |
97b58163 MD |
784 | (unsigned int) *(filter_opcode_t *) pc); |
785 | ret = -EINVAL; | |
786 | goto end; | |
787 | ||
788 | OP(FILTER_OP_EQ): | |
53569322 MD |
789 | { |
790 | /* Dynamic typing. */ | |
791 | switch (estack_ax_t) { | |
792 | case REG_S64: | |
793 | switch (estack_bx_t) { | |
794 | case REG_S64: | |
795 | JUMP_TO(FILTER_OP_EQ_S64); | |
796 | case REG_DOUBLE: | |
797 | JUMP_TO(FILTER_OP_EQ_DOUBLE_S64); | |
3151a51d PP |
798 | case REG_STRING: /* Fall-through */ |
799 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
800 | ret = -EINVAL; |
801 | goto end; | |
802 | default: | |
803 | ERR("Unknown filter register type (%d)", | |
804 | (int) estack_bx_t); | |
805 | ret = -EINVAL; | |
806 | goto end; | |
807 | } | |
808 | break; | |
809 | case REG_DOUBLE: | |
810 | switch (estack_bx_t) { | |
811 | case REG_S64: | |
812 | JUMP_TO(FILTER_OP_EQ_S64_DOUBLE); | |
813 | case REG_DOUBLE: | |
814 | JUMP_TO(FILTER_OP_EQ_DOUBLE); | |
3151a51d PP |
815 | case REG_STRING: /* Fall-through */ |
816 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
817 | ret = -EINVAL; |
818 | goto end; | |
819 | default: | |
820 | ERR("Unknown filter register type (%d)", | |
821 | (int) estack_bx_t); | |
822 | ret = -EINVAL; | |
823 | goto end; | |
824 | } | |
825 | break; | |
826 | case REG_STRING: | |
827 | switch (estack_bx_t) { | |
828 | case REG_S64: /* Fall-through */ | |
829 | case REG_DOUBLE: | |
830 | ret = -EINVAL; | |
831 | goto end; | |
832 | case REG_STRING: | |
833 | JUMP_TO(FILTER_OP_EQ_STRING); | |
3151a51d PP |
834 | case REG_STAR_GLOB_STRING: |
835 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
836 | default: | |
837 | ERR("Unknown filter register type (%d)", | |
838 | (int) estack_bx_t); | |
839 | ret = -EINVAL; | |
840 | goto end; | |
841 | } | |
842 | break; | |
843 | case REG_STAR_GLOB_STRING: | |
844 | switch (estack_bx_t) { | |
845 | case REG_S64: /* Fall-through */ | |
846 | case REG_DOUBLE: | |
847 | ret = -EINVAL; | |
848 | goto end; | |
849 | case REG_STRING: | |
850 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
851 | case REG_STAR_GLOB_STRING: | |
852 | ret = -EINVAL; | |
853 | goto end; | |
53569322 MD |
854 | default: |
855 | ERR("Unknown filter register type (%d)", | |
856 | (int) estack_bx_t); | |
857 | ret = -EINVAL; | |
858 | goto end; | |
859 | } | |
860 | break; | |
861 | default: | |
862 | ERR("Unknown filter register type (%d)", | |
863 | (int) estack_ax_t); | |
864 | ret = -EINVAL; | |
865 | goto end; | |
866 | } | |
867 | } | |
97b58163 | 868 | OP(FILTER_OP_NE): |
53569322 MD |
869 | { |
870 | /* Dynamic typing. */ | |
871 | switch (estack_ax_t) { | |
872 | case REG_S64: | |
873 | switch (estack_bx_t) { | |
874 | case REG_S64: | |
875 | JUMP_TO(FILTER_OP_NE_S64); | |
876 | case REG_DOUBLE: | |
877 | JUMP_TO(FILTER_OP_NE_DOUBLE_S64); | |
3151a51d PP |
878 | case REG_STRING: /* Fall-through */ |
879 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
880 | ret = -EINVAL; |
881 | goto end; | |
882 | default: | |
883 | ERR("Unknown filter register type (%d)", | |
884 | (int) estack_bx_t); | |
885 | ret = -EINVAL; | |
886 | goto end; | |
887 | } | |
888 | break; | |
889 | case REG_DOUBLE: | |
890 | switch (estack_bx_t) { | |
891 | case REG_S64: | |
892 | JUMP_TO(FILTER_OP_NE_S64_DOUBLE); | |
893 | case REG_DOUBLE: | |
894 | JUMP_TO(FILTER_OP_NE_DOUBLE); | |
3151a51d PP |
895 | case REG_STRING: /* Fall-through */ |
896 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
897 | ret = -EINVAL; |
898 | goto end; | |
899 | default: | |
900 | ERR("Unknown filter register type (%d)", | |
901 | (int) estack_bx_t); | |
902 | ret = -EINVAL; | |
903 | goto end; | |
904 | } | |
905 | break; | |
906 | case REG_STRING: | |
907 | switch (estack_bx_t) { | |
908 | case REG_S64: /* Fall-through */ | |
909 | case REG_DOUBLE: | |
910 | ret = -EINVAL; | |
911 | goto end; | |
912 | case REG_STRING: | |
913 | JUMP_TO(FILTER_OP_NE_STRING); | |
3151a51d PP |
914 | case REG_STAR_GLOB_STRING: |
915 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
916 | default: | |
917 | ERR("Unknown filter register type (%d)", | |
918 | (int) estack_bx_t); | |
919 | ret = -EINVAL; | |
920 | goto end; | |
921 | } | |
922 | break; | |
923 | case REG_STAR_GLOB_STRING: | |
924 | switch (estack_bx_t) { | |
925 | case REG_S64: /* Fall-through */ | |
926 | case REG_DOUBLE: | |
927 | ret = -EINVAL; | |
928 | goto end; | |
929 | case REG_STRING: | |
930 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
931 | case REG_STAR_GLOB_STRING: | |
932 | ret = -EINVAL; | |
933 | goto end; | |
53569322 MD |
934 | default: |
935 | ERR("Unknown filter register type (%d)", | |
936 | (int) estack_bx_t); | |
937 | ret = -EINVAL; | |
938 | goto end; | |
939 | } | |
940 | break; | |
941 | default: | |
942 | ERR("Unknown filter register type (%d)", | |
943 | (int) estack_ax_t); | |
944 | ret = -EINVAL; | |
945 | goto end; | |
946 | } | |
947 | } | |
97b58163 | 948 | OP(FILTER_OP_GT): |
53569322 MD |
949 | { |
950 | /* Dynamic typing. */ | |
951 | switch (estack_ax_t) { | |
952 | case REG_S64: | |
953 | switch (estack_bx_t) { | |
954 | case REG_S64: | |
955 | JUMP_TO(FILTER_OP_GT_S64); | |
956 | case REG_DOUBLE: | |
957 | JUMP_TO(FILTER_OP_GT_DOUBLE_S64); | |
3151a51d PP |
958 | case REG_STRING: /* Fall-through */ |
959 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
960 | ret = -EINVAL; |
961 | goto end; | |
962 | default: | |
963 | ERR("Unknown filter register type (%d)", | |
964 | (int) estack_bx_t); | |
965 | ret = -EINVAL; | |
966 | goto end; | |
967 | } | |
968 | break; | |
969 | case REG_DOUBLE: | |
970 | switch (estack_bx_t) { | |
971 | case REG_S64: | |
972 | JUMP_TO(FILTER_OP_GT_S64_DOUBLE); | |
973 | case REG_DOUBLE: | |
974 | JUMP_TO(FILTER_OP_GT_DOUBLE); | |
3151a51d PP |
975 | case REG_STRING: /* Fall-through */ |
976 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
977 | ret = -EINVAL; |
978 | goto end; | |
979 | default: | |
980 | ERR("Unknown filter register type (%d)", | |
981 | (int) estack_bx_t); | |
982 | ret = -EINVAL; | |
983 | goto end; | |
984 | } | |
985 | break; | |
986 | case REG_STRING: | |
987 | switch (estack_bx_t) { | |
988 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
989 | case REG_DOUBLE: /* Fall-through */ |
990 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
991 | ret = -EINVAL; |
992 | goto end; | |
993 | case REG_STRING: | |
994 | JUMP_TO(FILTER_OP_GT_STRING); | |
995 | default: | |
996 | ERR("Unknown filter register type (%d)", | |
997 | (int) estack_bx_t); | |
998 | ret = -EINVAL; | |
999 | goto end; | |
1000 | } | |
1001 | break; | |
1002 | default: | |
1003 | ERR("Unknown filter register type (%d)", | |
1004 | (int) estack_ax_t); | |
1005 | ret = -EINVAL; | |
1006 | goto end; | |
1007 | } | |
1008 | } | |
97b58163 | 1009 | OP(FILTER_OP_LT): |
53569322 MD |
1010 | { |
1011 | /* Dynamic typing. */ | |
1012 | switch (estack_ax_t) { | |
1013 | case REG_S64: | |
1014 | switch (estack_bx_t) { | |
1015 | case REG_S64: | |
1016 | JUMP_TO(FILTER_OP_LT_S64); | |
1017 | case REG_DOUBLE: | |
1018 | JUMP_TO(FILTER_OP_LT_DOUBLE_S64); | |
3151a51d PP |
1019 | case REG_STRING: /* Fall-through */ |
1020 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1021 | ret = -EINVAL; |
1022 | goto end; | |
1023 | default: | |
1024 | ERR("Unknown filter register type (%d)", | |
1025 | (int) estack_bx_t); | |
1026 | ret = -EINVAL; | |
1027 | goto end; | |
1028 | } | |
1029 | break; | |
1030 | case REG_DOUBLE: | |
1031 | switch (estack_bx_t) { | |
1032 | case REG_S64: | |
1033 | JUMP_TO(FILTER_OP_LT_S64_DOUBLE); | |
1034 | case REG_DOUBLE: | |
1035 | JUMP_TO(FILTER_OP_LT_DOUBLE); | |
3151a51d PP |
1036 | case REG_STRING: /* Fall-through */ |
1037 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1038 | ret = -EINVAL; |
1039 | goto end; | |
1040 | default: | |
1041 | ERR("Unknown filter register type (%d)", | |
1042 | (int) estack_bx_t); | |
1043 | ret = -EINVAL; | |
1044 | goto end; | |
1045 | } | |
1046 | break; | |
1047 | case REG_STRING: | |
1048 | switch (estack_bx_t) { | |
1049 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1050 | case REG_DOUBLE: /* Fall-through */ |
1051 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1052 | ret = -EINVAL; |
1053 | goto end; | |
1054 | case REG_STRING: | |
1055 | JUMP_TO(FILTER_OP_LT_STRING); | |
1056 | default: | |
1057 | ERR("Unknown filter register type (%d)", | |
1058 | (int) estack_bx_t); | |
1059 | ret = -EINVAL; | |
1060 | goto end; | |
1061 | } | |
1062 | break; | |
1063 | default: | |
1064 | ERR("Unknown filter register type (%d)", | |
1065 | (int) estack_ax_t); | |
1066 | ret = -EINVAL; | |
1067 | goto end; | |
1068 | } | |
1069 | } | |
97b58163 | 1070 | OP(FILTER_OP_GE): |
53569322 MD |
1071 | { |
1072 | /* Dynamic typing. */ | |
1073 | switch (estack_ax_t) { | |
1074 | case REG_S64: | |
1075 | switch (estack_bx_t) { | |
1076 | case REG_S64: | |
1077 | JUMP_TO(FILTER_OP_GE_S64); | |
1078 | case REG_DOUBLE: | |
1079 | JUMP_TO(FILTER_OP_GE_DOUBLE_S64); | |
3151a51d PP |
1080 | case REG_STRING: /* Fall-through */ |
1081 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1082 | ret = -EINVAL; |
1083 | goto end; | |
1084 | default: | |
1085 | ERR("Unknown filter register type (%d)", | |
1086 | (int) estack_bx_t); | |
1087 | ret = -EINVAL; | |
1088 | goto end; | |
1089 | } | |
1090 | break; | |
1091 | case REG_DOUBLE: | |
1092 | switch (estack_bx_t) { | |
1093 | case REG_S64: | |
1094 | JUMP_TO(FILTER_OP_GE_S64_DOUBLE); | |
1095 | case REG_DOUBLE: | |
1096 | JUMP_TO(FILTER_OP_GE_DOUBLE); | |
3151a51d PP |
1097 | case REG_STRING: /* Fall-through */ |
1098 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1099 | ret = -EINVAL; |
1100 | goto end; | |
1101 | default: | |
1102 | ERR("Unknown filter register type (%d)", | |
1103 | (int) estack_bx_t); | |
1104 | ret = -EINVAL; | |
1105 | goto end; | |
1106 | } | |
1107 | break; | |
1108 | case REG_STRING: | |
1109 | switch (estack_bx_t) { | |
1110 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1111 | case REG_DOUBLE: /* Fall-through */ |
1112 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1113 | ret = -EINVAL; |
1114 | goto end; | |
1115 | case REG_STRING: | |
1116 | JUMP_TO(FILTER_OP_GE_STRING); | |
1117 | default: | |
1118 | ERR("Unknown filter register type (%d)", | |
1119 | (int) estack_bx_t); | |
1120 | ret = -EINVAL; | |
1121 | goto end; | |
1122 | } | |
1123 | break; | |
1124 | default: | |
1125 | ERR("Unknown filter register type (%d)", | |
1126 | (int) estack_ax_t); | |
1127 | ret = -EINVAL; | |
1128 | goto end; | |
1129 | } | |
1130 | } | |
97b58163 | 1131 | OP(FILTER_OP_LE): |
53569322 MD |
1132 | { |
1133 | /* Dynamic typing. */ | |
1134 | switch (estack_ax_t) { | |
1135 | case REG_S64: | |
1136 | switch (estack_bx_t) { | |
1137 | case REG_S64: | |
1138 | JUMP_TO(FILTER_OP_LE_S64); | |
1139 | case REG_DOUBLE: | |
1140 | JUMP_TO(FILTER_OP_LE_DOUBLE_S64); | |
3151a51d PP |
1141 | case REG_STRING: /* Fall-through */ |
1142 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1143 | ret = -EINVAL; |
1144 | goto end; | |
1145 | default: | |
1146 | ERR("Unknown filter register type (%d)", | |
1147 | (int) estack_bx_t); | |
1148 | ret = -EINVAL; | |
1149 | goto end; | |
1150 | } | |
1151 | break; | |
1152 | case REG_DOUBLE: | |
1153 | switch (estack_bx_t) { | |
1154 | case REG_S64: | |
1155 | JUMP_TO(FILTER_OP_LE_S64_DOUBLE); | |
1156 | case REG_DOUBLE: | |
1157 | JUMP_TO(FILTER_OP_LE_DOUBLE); | |
3151a51d PP |
1158 | case REG_STRING: /* Fall-through */ |
1159 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1160 | ret = -EINVAL; |
1161 | goto end; | |
1162 | default: | |
1163 | ERR("Unknown filter register type (%d)", | |
1164 | (int) estack_bx_t); | |
1165 | ret = -EINVAL; | |
1166 | goto end; | |
1167 | } | |
1168 | break; | |
1169 | case REG_STRING: | |
1170 | switch (estack_bx_t) { | |
1171 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1172 | case REG_DOUBLE: /* Fall-through */ |
1173 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1174 | ret = -EINVAL; |
1175 | goto end; | |
1176 | case REG_STRING: | |
1177 | JUMP_TO(FILTER_OP_LE_STRING); | |
1178 | default: | |
1179 | ERR("Unknown filter register type (%d)", | |
1180 | (int) estack_bx_t); | |
1181 | ret = -EINVAL; | |
1182 | goto end; | |
1183 | } | |
1184 | break; | |
1185 | default: | |
1186 | ERR("Unknown filter register type (%d)", | |
1187 | (int) estack_ax_t); | |
1188 | ret = -EINVAL; | |
1189 | goto end; | |
1190 | } | |
1191 | } | |
97b58163 MD |
1192 | |
1193 | OP(FILTER_OP_EQ_STRING): | |
1194 | { | |
0305960f MD |
1195 | int res; |
1196 | ||
9b33aac4 | 1197 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 1198 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1199 | estack_ax_v = res; |
53569322 | 1200 | estack_ax_t = REG_S64; |
97b58163 MD |
1201 | next_pc += sizeof(struct binary_op); |
1202 | PO; | |
1203 | } | |
1204 | OP(FILTER_OP_NE_STRING): | |
1205 | { | |
0305960f MD |
1206 | int res; |
1207 | ||
9b33aac4 | 1208 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 1209 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1210 | estack_ax_v = res; |
53569322 | 1211 | estack_ax_t = REG_S64; |
97b58163 MD |
1212 | next_pc += sizeof(struct binary_op); |
1213 | PO; | |
1214 | } | |
1215 | OP(FILTER_OP_GT_STRING): | |
1216 | { | |
0305960f MD |
1217 | int res; |
1218 | ||
9b33aac4 | 1219 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 1220 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1221 | estack_ax_v = res; |
53569322 | 1222 | estack_ax_t = REG_S64; |
97b58163 MD |
1223 | next_pc += sizeof(struct binary_op); |
1224 | PO; | |
1225 | } | |
1226 | OP(FILTER_OP_LT_STRING): | |
1227 | { | |
0305960f MD |
1228 | int res; |
1229 | ||
9b33aac4 | 1230 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 1231 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1232 | estack_ax_v = res; |
53569322 | 1233 | estack_ax_t = REG_S64; |
97b58163 MD |
1234 | next_pc += sizeof(struct binary_op); |
1235 | PO; | |
1236 | } | |
1237 | OP(FILTER_OP_GE_STRING): | |
1238 | { | |
0305960f MD |
1239 | int res; |
1240 | ||
9b33aac4 | 1241 | res = (stack_strcmp(stack, top, ">=") >= 0); |
53569322 | 1242 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1243 | estack_ax_v = res; |
53569322 | 1244 | estack_ax_t = REG_S64; |
97b58163 MD |
1245 | next_pc += sizeof(struct binary_op); |
1246 | PO; | |
1247 | } | |
1248 | OP(FILTER_OP_LE_STRING): | |
1249 | { | |
0305960f MD |
1250 | int res; |
1251 | ||
9b33aac4 | 1252 | res = (stack_strcmp(stack, top, "<=") <= 0); |
53569322 | 1253 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1254 | estack_ax_v = res; |
53569322 | 1255 | estack_ax_t = REG_S64; |
97b58163 MD |
1256 | next_pc += sizeof(struct binary_op); |
1257 | PO; | |
1258 | } | |
1259 | ||
3151a51d PP |
1260 | OP(FILTER_OP_EQ_STAR_GLOB_STRING): |
1261 | { | |
1262 | int res; | |
1263 | ||
1264 | res = (stack_star_glob_match(stack, top, "==") == 0); | |
1265 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1266 | estack_ax_v = res; | |
1267 | estack_ax_t = REG_S64; | |
1268 | next_pc += sizeof(struct binary_op); | |
1269 | PO; | |
1270 | } | |
1271 | OP(FILTER_OP_NE_STAR_GLOB_STRING): | |
1272 | { | |
1273 | int res; | |
1274 | ||
1275 | res = (stack_star_glob_match(stack, top, "!=") != 0); | |
1276 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1277 | estack_ax_v = res; | |
1278 | estack_ax_t = REG_S64; | |
1279 | next_pc += sizeof(struct binary_op); | |
1280 | PO; | |
1281 | } | |
1282 | ||
97b58163 MD |
1283 | OP(FILTER_OP_EQ_S64): |
1284 | { | |
0305960f MD |
1285 | int res; |
1286 | ||
9b33aac4 | 1287 | res = (estack_bx_v == estack_ax_v); |
53569322 | 1288 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1289 | estack_ax_v = res; |
53569322 | 1290 | estack_ax_t = REG_S64; |
97b58163 MD |
1291 | next_pc += sizeof(struct binary_op); |
1292 | PO; | |
1293 | } | |
1294 | OP(FILTER_OP_NE_S64): | |
1295 | { | |
0305960f MD |
1296 | int res; |
1297 | ||
9b33aac4 | 1298 | res = (estack_bx_v != estack_ax_v); |
53569322 | 1299 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1300 | estack_ax_v = res; |
53569322 | 1301 | estack_ax_t = REG_S64; |
97b58163 MD |
1302 | next_pc += sizeof(struct binary_op); |
1303 | PO; | |
1304 | } | |
1305 | OP(FILTER_OP_GT_S64): | |
1306 | { | |
0305960f MD |
1307 | int res; |
1308 | ||
9b33aac4 | 1309 | res = (estack_bx_v > estack_ax_v); |
53569322 | 1310 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1311 | estack_ax_v = res; |
53569322 | 1312 | estack_ax_t = REG_S64; |
97b58163 MD |
1313 | next_pc += sizeof(struct binary_op); |
1314 | PO; | |
1315 | } | |
1316 | OP(FILTER_OP_LT_S64): | |
1317 | { | |
0305960f MD |
1318 | int res; |
1319 | ||
9b33aac4 | 1320 | res = (estack_bx_v < estack_ax_v); |
53569322 | 1321 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1322 | estack_ax_v = res; |
53569322 | 1323 | estack_ax_t = REG_S64; |
97b58163 MD |
1324 | next_pc += sizeof(struct binary_op); |
1325 | PO; | |
1326 | } | |
1327 | OP(FILTER_OP_GE_S64): | |
1328 | { | |
0305960f MD |
1329 | int res; |
1330 | ||
9b33aac4 | 1331 | res = (estack_bx_v >= estack_ax_v); |
53569322 | 1332 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1333 | estack_ax_v = res; |
53569322 | 1334 | estack_ax_t = REG_S64; |
97b58163 MD |
1335 | next_pc += sizeof(struct binary_op); |
1336 | PO; | |
1337 | } | |
1338 | OP(FILTER_OP_LE_S64): | |
1339 | { | |
0305960f MD |
1340 | int res; |
1341 | ||
9b33aac4 | 1342 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 1343 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1344 | estack_ax_v = res; |
53569322 | 1345 | estack_ax_t = REG_S64; |
97b58163 MD |
1346 | next_pc += sizeof(struct binary_op); |
1347 | PO; | |
1348 | } | |
1349 | ||
1350 | OP(FILTER_OP_EQ_DOUBLE): | |
1351 | { | |
0305960f MD |
1352 | int res; |
1353 | ||
9b33aac4 | 1354 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 1355 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1356 | estack_ax_v = res; |
53569322 | 1357 | estack_ax_t = REG_S64; |
97b58163 MD |
1358 | next_pc += sizeof(struct binary_op); |
1359 | PO; | |
1360 | } | |
1361 | OP(FILTER_OP_NE_DOUBLE): | |
1362 | { | |
0305960f MD |
1363 | int res; |
1364 | ||
9b33aac4 | 1365 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 1366 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1367 | estack_ax_v = res; |
53569322 | 1368 | estack_ax_t = REG_S64; |
97b58163 MD |
1369 | next_pc += sizeof(struct binary_op); |
1370 | PO; | |
1371 | } | |
1372 | OP(FILTER_OP_GT_DOUBLE): | |
1373 | { | |
0305960f MD |
1374 | int res; |
1375 | ||
9b33aac4 | 1376 | res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); |
53569322 | 1377 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1378 | estack_ax_v = res; |
53569322 | 1379 | estack_ax_t = REG_S64; |
97b58163 MD |
1380 | next_pc += sizeof(struct binary_op); |
1381 | PO; | |
1382 | } | |
1383 | OP(FILTER_OP_LT_DOUBLE): | |
1384 | { | |
0305960f MD |
1385 | int res; |
1386 | ||
9b33aac4 | 1387 | res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); |
53569322 | 1388 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1389 | estack_ax_v = res; |
53569322 | 1390 | estack_ax_t = REG_S64; |
97b58163 MD |
1391 | next_pc += sizeof(struct binary_op); |
1392 | PO; | |
1393 | } | |
1394 | OP(FILTER_OP_GE_DOUBLE): | |
1395 | { | |
0305960f MD |
1396 | int res; |
1397 | ||
9b33aac4 | 1398 | res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); |
53569322 | 1399 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1400 | estack_ax_v = res; |
53569322 | 1401 | estack_ax_t = REG_S64; |
97b58163 MD |
1402 | next_pc += sizeof(struct binary_op); |
1403 | PO; | |
1404 | } | |
1405 | OP(FILTER_OP_LE_DOUBLE): | |
1406 | { | |
0305960f MD |
1407 | int res; |
1408 | ||
9b33aac4 | 1409 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 1410 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1411 | estack_ax_v = res; |
53569322 | 1412 | estack_ax_t = REG_S64; |
dbea82ec MD |
1413 | next_pc += sizeof(struct binary_op); |
1414 | PO; | |
1415 | } | |
1416 | ||
1417 | /* Mixed S64-double binary comparators */ | |
1418 | OP(FILTER_OP_EQ_DOUBLE_S64): | |
1419 | { | |
1420 | int res; | |
1421 | ||
9b33aac4 | 1422 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
53569322 | 1423 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1424 | estack_ax_v = res; |
53569322 | 1425 | estack_ax_t = REG_S64; |
dbea82ec MD |
1426 | next_pc += sizeof(struct binary_op); |
1427 | PO; | |
1428 | } | |
1429 | OP(FILTER_OP_NE_DOUBLE_S64): | |
1430 | { | |
1431 | int res; | |
1432 | ||
9b33aac4 | 1433 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
53569322 | 1434 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1435 | estack_ax_v = res; |
53569322 | 1436 | estack_ax_t = REG_S64; |
dbea82ec MD |
1437 | next_pc += sizeof(struct binary_op); |
1438 | PO; | |
1439 | } | |
1440 | OP(FILTER_OP_GT_DOUBLE_S64): | |
1441 | { | |
1442 | int res; | |
1443 | ||
9b33aac4 | 1444 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
53569322 | 1445 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1446 | estack_ax_v = res; |
53569322 | 1447 | estack_ax_t = REG_S64; |
dbea82ec MD |
1448 | next_pc += sizeof(struct binary_op); |
1449 | PO; | |
1450 | } | |
1451 | OP(FILTER_OP_LT_DOUBLE_S64): | |
1452 | { | |
1453 | int res; | |
1454 | ||
9b33aac4 | 1455 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 1456 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1457 | estack_ax_v = res; |
53569322 | 1458 | estack_ax_t = REG_S64; |
dbea82ec MD |
1459 | next_pc += sizeof(struct binary_op); |
1460 | PO; | |
1461 | } | |
1462 | OP(FILTER_OP_GE_DOUBLE_S64): | |
1463 | { | |
1464 | int res; | |
1465 | ||
9b33aac4 | 1466 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 1467 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1468 | estack_ax_v = res; |
53569322 | 1469 | estack_ax_t = REG_S64; |
dbea82ec MD |
1470 | next_pc += sizeof(struct binary_op); |
1471 | PO; | |
1472 | } | |
1473 | OP(FILTER_OP_LE_DOUBLE_S64): | |
1474 | { | |
1475 | int res; | |
1476 | ||
9b33aac4 | 1477 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 1478 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1479 | estack_ax_v = res; |
53569322 | 1480 | estack_ax_t = REG_S64; |
dbea82ec MD |
1481 | next_pc += sizeof(struct binary_op); |
1482 | PO; | |
1483 | } | |
1484 | ||
1485 | OP(FILTER_OP_EQ_S64_DOUBLE): | |
1486 | { | |
1487 | int res; | |
1488 | ||
9b33aac4 | 1489 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 1490 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1491 | estack_ax_v = res; |
53569322 | 1492 | estack_ax_t = REG_S64; |
dbea82ec MD |
1493 | next_pc += sizeof(struct binary_op); |
1494 | PO; | |
1495 | } | |
1496 | OP(FILTER_OP_NE_S64_DOUBLE): | |
1497 | { | |
1498 | int res; | |
1499 | ||
9b33aac4 | 1500 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 1501 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1502 | estack_ax_v = res; |
53569322 | 1503 | estack_ax_t = REG_S64; |
dbea82ec MD |
1504 | next_pc += sizeof(struct binary_op); |
1505 | PO; | |
1506 | } | |
1507 | OP(FILTER_OP_GT_S64_DOUBLE): | |
1508 | { | |
1509 | int res; | |
1510 | ||
9b33aac4 | 1511 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 1512 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1513 | estack_ax_v = res; |
53569322 | 1514 | estack_ax_t = REG_S64; |
dbea82ec MD |
1515 | next_pc += sizeof(struct binary_op); |
1516 | PO; | |
1517 | } | |
1518 | OP(FILTER_OP_LT_S64_DOUBLE): | |
1519 | { | |
1520 | int res; | |
1521 | ||
9b33aac4 | 1522 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 1523 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1524 | estack_ax_v = res; |
53569322 | 1525 | estack_ax_t = REG_S64; |
dbea82ec MD |
1526 | next_pc += sizeof(struct binary_op); |
1527 | PO; | |
1528 | } | |
1529 | OP(FILTER_OP_GE_S64_DOUBLE): | |
1530 | { | |
1531 | int res; | |
1532 | ||
9b33aac4 | 1533 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 1534 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1535 | estack_ax_v = res; |
53569322 | 1536 | estack_ax_t = REG_S64; |
dbea82ec MD |
1537 | next_pc += sizeof(struct binary_op); |
1538 | PO; | |
1539 | } | |
1540 | OP(FILTER_OP_LE_S64_DOUBLE): | |
1541 | { | |
1542 | int res; | |
1543 | ||
9b33aac4 | 1544 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1545 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1546 | estack_ax_v = res; |
53569322 | 1547 | estack_ax_t = REG_S64; |
97b58163 MD |
1548 | next_pc += sizeof(struct binary_op); |
1549 | PO; | |
1550 | } | |
0039e2d8 MD |
1551 | OP(FILTER_OP_BIT_RSHIFT): |
1552 | { | |
1553 | int64_t res; | |
1554 | ||
1555 | /* Dynamic typing. */ | |
1556 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1557 | ret = -EINVAL; | |
1558 | goto end; | |
1559 | } | |
3703f1d2 MD |
1560 | /* Catch undefined behavior. */ |
1561 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1562 | ret = -EINVAL; | |
1563 | goto end; | |
1564 | } | |
0039e2d8 MD |
1565 | res = (estack_bx_v >> estack_ax_v); |
1566 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1567 | estack_ax_v = res; | |
1568 | estack_ax_t = REG_S64; | |
1569 | next_pc += sizeof(struct binary_op); | |
1570 | PO; | |
1571 | } | |
1572 | OP(FILTER_OP_BIT_LSHIFT): | |
1573 | { | |
1574 | int64_t res; | |
1575 | ||
1576 | /* Dynamic typing. */ | |
1577 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1578 | ret = -EINVAL; | |
1579 | goto end; | |
1580 | } | |
3703f1d2 MD |
1581 | /* Catch undefined behavior. */ |
1582 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1583 | ret = -EINVAL; | |
1584 | goto end; | |
1585 | } | |
0039e2d8 MD |
1586 | res = (estack_bx_v << estack_ax_v); |
1587 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1588 | estack_ax_v = res; | |
1589 | estack_ax_t = REG_S64; | |
1590 | next_pc += sizeof(struct binary_op); | |
1591 | PO; | |
1592 | } | |
47e5f13e MD |
1593 | OP(FILTER_OP_BIT_AND): |
1594 | { | |
1595 | int64_t res; | |
1596 | ||
1597 | /* Dynamic typing. */ | |
1598 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1599 | ret = -EINVAL; | |
1600 | goto end; | |
1601 | } | |
1602 | ||
1603 | res = (estack_bx_v & estack_ax_v); | |
1604 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1605 | estack_ax_v = res; | |
1606 | estack_ax_t = REG_S64; | |
1607 | next_pc += sizeof(struct binary_op); | |
1608 | PO; | |
1609 | } | |
1610 | OP(FILTER_OP_BIT_OR): | |
1611 | { | |
1612 | int64_t res; | |
1613 | ||
1614 | /* Dynamic typing. */ | |
1615 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1616 | ret = -EINVAL; | |
1617 | goto end; | |
1618 | } | |
1619 | ||
1620 | res = (estack_bx_v | estack_ax_v); | |
1621 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1622 | estack_ax_v = res; | |
1623 | estack_ax_t = REG_S64; | |
1624 | next_pc += sizeof(struct binary_op); | |
1625 | PO; | |
1626 | } | |
1627 | OP(FILTER_OP_BIT_XOR): | |
1628 | { | |
1629 | int64_t res; | |
1630 | ||
1631 | /* Dynamic typing. */ | |
1632 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1633 | ret = -EINVAL; | |
1634 | goto end; | |
1635 | } | |
1636 | ||
1637 | res = (estack_bx_v ^ estack_ax_v); | |
1638 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1639 | estack_ax_v = res; | |
1640 | estack_ax_t = REG_S64; | |
1641 | next_pc += sizeof(struct binary_op); | |
1642 | PO; | |
1643 | } | |
97b58163 MD |
1644 | |
1645 | /* unary */ | |
1646 | OP(FILTER_OP_UNARY_PLUS): | |
53569322 MD |
1647 | { |
1648 | /* Dynamic typing. */ | |
1649 | switch (estack_ax_t) { | |
1650 | case REG_S64: /* Fall-through. */ | |
1651 | JUMP_TO(FILTER_OP_UNARY_PLUS_S64); | |
1652 | case REG_DOUBLE: | |
1653 | JUMP_TO(FILTER_OP_UNARY_PLUS_DOUBLE); | |
3151a51d PP |
1654 | case REG_STRING: /* Fall-through */ |
1655 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1656 | ret = -EINVAL; |
1657 | goto end; | |
1658 | default: | |
1659 | ERR("Unknown filter register type (%d)", | |
1660 | (int) estack_ax_t); | |
1661 | ret = -EINVAL; | |
1662 | goto end; | |
1663 | } | |
1664 | } | |
97b58163 | 1665 | OP(FILTER_OP_UNARY_MINUS): |
53569322 MD |
1666 | { |
1667 | /* Dynamic typing. */ | |
1668 | switch (estack_ax_t) { | |
1669 | case REG_S64: | |
1670 | JUMP_TO(FILTER_OP_UNARY_MINUS_S64); | |
1671 | case REG_DOUBLE: | |
1672 | JUMP_TO(FILTER_OP_UNARY_MINUS_DOUBLE); | |
3151a51d PP |
1673 | case REG_STRING: /* Fall-through */ |
1674 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1675 | ret = -EINVAL; |
1676 | goto end; | |
1677 | default: | |
1678 | ERR("Unknown filter register type (%d)", | |
1679 | (int) estack_ax_t); | |
1680 | ret = -EINVAL; | |
1681 | goto end; | |
1682 | } | |
1683 | } | |
97b58163 | 1684 | OP(FILTER_OP_UNARY_NOT): |
53569322 MD |
1685 | { |
1686 | /* Dynamic typing. */ | |
1687 | switch (estack_ax_t) { | |
1688 | case REG_S64: | |
1689 | JUMP_TO(FILTER_OP_UNARY_NOT_S64); | |
1690 | case REG_DOUBLE: | |
1691 | JUMP_TO(FILTER_OP_UNARY_NOT_DOUBLE); | |
3151a51d PP |
1692 | case REG_STRING: /* Fall-through */ |
1693 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1694 | ret = -EINVAL; |
1695 | goto end; | |
1696 | default: | |
1697 | ERR("Unknown filter register type (%d)", | |
1698 | (int) estack_ax_t); | |
1699 | ret = -EINVAL; | |
1700 | goto end; | |
1701 | } | |
1702 | next_pc += sizeof(struct unary_op); | |
1703 | PO; | |
1704 | } | |
97b58163 | 1705 | |
0039e2d8 MD |
1706 | OP(FILTER_OP_UNARY_BIT_NOT): |
1707 | { | |
1708 | /* Dynamic typing. */ | |
1709 | if (estack_ax_t != REG_S64) { | |
1710 | ret = -EINVAL; | |
1711 | goto end; | |
1712 | } | |
1713 | ||
1714 | estack_ax_v = ~estack_ax_v; | |
1715 | next_pc += sizeof(struct unary_op); | |
1716 | PO; | |
1717 | } | |
1718 | ||
97b58163 MD |
1719 | OP(FILTER_OP_UNARY_PLUS_S64): |
1720 | OP(FILTER_OP_UNARY_PLUS_DOUBLE): | |
1721 | { | |
1722 | next_pc += sizeof(struct unary_op); | |
1723 | PO; | |
1724 | } | |
1725 | OP(FILTER_OP_UNARY_MINUS_S64): | |
1726 | { | |
9b33aac4 | 1727 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1728 | next_pc += sizeof(struct unary_op); |
1729 | PO; | |
1730 | } | |
1731 | OP(FILTER_OP_UNARY_MINUS_DOUBLE): | |
1732 | { | |
9b33aac4 | 1733 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1734 | next_pc += sizeof(struct unary_op); |
1735 | PO; | |
1736 | } | |
1737 | OP(FILTER_OP_UNARY_NOT_S64): | |
1738 | { | |
9b33aac4 | 1739 | estack_ax_v = !estack_ax_v; |
97b58163 MD |
1740 | next_pc += sizeof(struct unary_op); |
1741 | PO; | |
1742 | } | |
1743 | OP(FILTER_OP_UNARY_NOT_DOUBLE): | |
1744 | { | |
53569322 MD |
1745 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1746 | estack_ax_t = REG_S64; | |
97b58163 MD |
1747 | next_pc += sizeof(struct unary_op); |
1748 | PO; | |
1749 | } | |
1750 | ||
1751 | /* logical */ | |
1752 | OP(FILTER_OP_AND): | |
1753 | { | |
1754 | struct logical_op *insn = (struct logical_op *) pc; | |
1755 | ||
53569322 MD |
1756 | if (estack_ax_t != REG_S64) { |
1757 | ret = -EINVAL; | |
1758 | goto end; | |
1759 | } | |
0305960f | 1760 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1761 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1762 | dbg_printf("Jumping to bytecode offset %u\n", |
1763 | (unsigned int) insn->skip_offset); | |
1764 | next_pc = start_pc + insn->skip_offset; | |
1765 | } else { | |
71c1ceeb | 1766 | /* Pop 1 when jump not taken */ |
53569322 | 1767 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1768 | next_pc += sizeof(struct logical_op); |
1769 | } | |
1770 | PO; | |
1771 | } | |
1772 | OP(FILTER_OP_OR): | |
1773 | { | |
1774 | struct logical_op *insn = (struct logical_op *) pc; | |
1775 | ||
53569322 MD |
1776 | if (estack_ax_t != REG_S64) { |
1777 | ret = -EINVAL; | |
1778 | goto end; | |
1779 | } | |
0305960f | 1780 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1781 | if (unlikely(estack_ax_v != 0)) { |
1782 | estack_ax_v = 1; | |
97b58163 MD |
1783 | dbg_printf("Jumping to bytecode offset %u\n", |
1784 | (unsigned int) insn->skip_offset); | |
1785 | next_pc = start_pc + insn->skip_offset; | |
1786 | } else { | |
71c1ceeb | 1787 | /* Pop 1 when jump not taken */ |
53569322 | 1788 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1789 | next_pc += sizeof(struct logical_op); |
1790 | } | |
1791 | PO; | |
1792 | } | |
1793 | ||
1794 | ||
77aa5901 | 1795 | /* load field ref */ |
97b58163 MD |
1796 | OP(FILTER_OP_LOAD_FIELD_REF_STRING): |
1797 | { | |
1798 | struct load_op *insn = (struct load_op *) pc; | |
1799 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1800 | ||
1801 | dbg_printf("load field ref offset %u type string\n", | |
1802 | ref->offset); | |
53569322 | 1803 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1804 | estack_ax(stack, top)->u.s.str = |
97b58163 | 1805 | *(const char * const *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1806 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1807 | dbg_printf("Filter warning: loading a NULL string.\n"); |
1808 | ret = -EINVAL; | |
1809 | goto end; | |
1810 | } | |
a63d0dc8 | 1811 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1812 | estack_ax(stack, top)->u.s.literal_type = |
1813 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 1814 | estack_ax_t = REG_STRING; |
9b33aac4 | 1815 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1816 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1817 | PO; | |
1818 | } | |
1819 | ||
1820 | OP(FILTER_OP_LOAD_FIELD_REF_SEQUENCE): | |
1821 | { | |
1822 | struct load_op *insn = (struct load_op *) pc; | |
1823 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1824 | ||
1825 | dbg_printf("load field ref offset %u type sequence\n", | |
1826 | ref->offset); | |
53569322 | 1827 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1828 | estack_ax(stack, top)->u.s.seq_len = |
97b58163 | 1829 | *(unsigned long *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1830 | estack_ax(stack, top)->u.s.str = |
97b58163 MD |
1831 | *(const char **) (&filter_stack_data[ref->offset |
1832 | + sizeof(unsigned long)]); | |
53569322 | 1833 | estack_ax_t = REG_STRING; |
9b33aac4 | 1834 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1835 | dbg_printf("Filter warning: loading a NULL sequence.\n"); |
1836 | ret = -EINVAL; | |
1837 | goto end; | |
1838 | } | |
3151a51d PP |
1839 | estack_ax(stack, top)->u.s.literal_type = |
1840 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
97b58163 MD |
1841 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1842 | PO; | |
1843 | } | |
1844 | ||
1845 | OP(FILTER_OP_LOAD_FIELD_REF_S64): | |
1846 | { | |
1847 | struct load_op *insn = (struct load_op *) pc; | |
1848 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1849 | ||
1850 | dbg_printf("load field ref offset %u type s64\n", | |
1851 | ref->offset); | |
53569322 | 1852 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 MD |
1853 | estack_ax_v = |
1854 | ((struct literal_numeric *) &filter_stack_data[ref->offset])->v; | |
53569322 | 1855 | estack_ax_t = REG_S64; |
9b33aac4 | 1856 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1857 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1858 | PO; | |
1859 | } | |
1860 | ||
1861 | OP(FILTER_OP_LOAD_FIELD_REF_DOUBLE): | |
1862 | { | |
1863 | struct load_op *insn = (struct load_op *) pc; | |
1864 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1865 | ||
1866 | dbg_printf("load field ref offset %u type double\n", | |
1867 | ref->offset); | |
53569322 | 1868 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1869 | memcpy(&estack_ax(stack, top)->u.d, &filter_stack_data[ref->offset], |
97b58163 | 1870 | sizeof(struct literal_double)); |
53569322 | 1871 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 1872 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
1873 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1874 | PO; | |
1875 | } | |
1876 | ||
77aa5901 | 1877 | /* load from immediate operand */ |
97b58163 MD |
1878 | OP(FILTER_OP_LOAD_STRING): |
1879 | { | |
1880 | struct load_op *insn = (struct load_op *) pc; | |
1881 | ||
1882 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 1883 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1884 | estack_ax(stack, top)->u.s.str = insn->data; |
a63d0dc8 | 1885 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1886 | estack_ax(stack, top)->u.s.literal_type = |
1887 | ESTACK_STRING_LITERAL_TYPE_PLAIN; | |
53569322 | 1888 | estack_ax_t = REG_STRING; |
97b58163 MD |
1889 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
1890 | PO; | |
1891 | } | |
1892 | ||
3151a51d PP |
1893 | OP(FILTER_OP_LOAD_STAR_GLOB_STRING): |
1894 | { | |
1895 | struct load_op *insn = (struct load_op *) pc; | |
1896 | ||
1897 | dbg_printf("load globbing pattern %s\n", insn->data); | |
1898 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
1899 | estack_ax(stack, top)->u.s.str = insn->data; | |
a63d0dc8 | 1900 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1901 | estack_ax(stack, top)->u.s.literal_type = |
1902 | ESTACK_STRING_LITERAL_TYPE_STAR_GLOB; | |
1903 | estack_ax_t = REG_STAR_GLOB_STRING; | |
1904 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
1905 | PO; | |
1906 | } | |
1907 | ||
97b58163 MD |
1908 | OP(FILTER_OP_LOAD_S64): |
1909 | { | |
1910 | struct load_op *insn = (struct load_op *) pc; | |
1911 | ||
53569322 | 1912 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1913 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 1914 | estack_ax_t = REG_S64; |
9b33aac4 | 1915 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1916 | next_pc += sizeof(struct load_op) |
1917 | + sizeof(struct literal_numeric); | |
1918 | PO; | |
1919 | } | |
1920 | ||
1921 | OP(FILTER_OP_LOAD_DOUBLE): | |
1922 | { | |
1923 | struct load_op *insn = (struct load_op *) pc; | |
1924 | ||
53569322 | 1925 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1926 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 1927 | sizeof(struct literal_double)); |
53569322 MD |
1928 | estack_ax_t = REG_DOUBLE; |
1929 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
1930 | next_pc += sizeof(struct load_op) |
1931 | + sizeof(struct literal_double); | |
1932 | PO; | |
1933 | } | |
1934 | ||
1935 | /* cast */ | |
1936 | OP(FILTER_OP_CAST_TO_S64): | |
53569322 MD |
1937 | { |
1938 | /* Dynamic typing. */ | |
1939 | switch (estack_ax_t) { | |
1940 | case REG_S64: | |
1941 | JUMP_TO(FILTER_OP_CAST_NOP); | |
1942 | case REG_DOUBLE: | |
1943 | JUMP_TO(FILTER_OP_CAST_DOUBLE_TO_S64); | |
3151a51d PP |
1944 | case REG_STRING: /* Fall-through */ |
1945 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1946 | ret = -EINVAL; |
1947 | goto end; | |
1948 | default: | |
1949 | ERR("Unknown filter register type (%d)", | |
1950 | (int) estack_ax_t); | |
1951 | ret = -EINVAL; | |
1952 | goto end; | |
1953 | } | |
1954 | } | |
97b58163 MD |
1955 | |
1956 | OP(FILTER_OP_CAST_DOUBLE_TO_S64): | |
1957 | { | |
9b33aac4 | 1958 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 1959 | estack_ax_t = REG_S64; |
97b58163 MD |
1960 | next_pc += sizeof(struct cast_op); |
1961 | PO; | |
1962 | } | |
1963 | ||
1964 | OP(FILTER_OP_CAST_NOP): | |
1965 | { | |
1966 | next_pc += sizeof(struct cast_op); | |
1967 | PO; | |
1968 | } | |
1969 | ||
77aa5901 | 1970 | /* get context ref */ |
53569322 MD |
1971 | OP(FILTER_OP_GET_CONTEXT_REF): |
1972 | { | |
1973 | struct load_op *insn = (struct load_op *) pc; | |
1974 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1975 | struct lttng_ctx *ctx; | |
1976 | struct lttng_ctx_field *ctx_field; | |
1977 | struct lttng_ctx_value v; | |
1978 | ||
1979 | dbg_printf("get context ref offset %u type dynamic\n", | |
1980 | ref->offset); | |
1981 | ctx = rcu_dereference(session->ctx); | |
1982 | ctx_field = &ctx->fields[ref->offset]; | |
1983 | ctx_field->get_value(ctx_field, &v); | |
1984 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
1985 | switch (v.sel) { | |
1986 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
1987 | ret = -EINVAL; | |
1988 | goto end; | |
1989 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
1990 | estack_ax_v = v.u.s64; | |
1991 | estack_ax_t = REG_S64; | |
1992 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
1993 | break; | |
1994 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
1995 | estack_ax(stack, top)->u.d = v.u.d; | |
1996 | estack_ax_t = REG_DOUBLE; | |
1997 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
1998 | break; | |
1999 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
2000 | estack_ax(stack, top)->u.s.str = v.u.str; | |
2001 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2002 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2003 | ret = -EINVAL; | |
2004 | goto end; | |
2005 | } | |
a63d0dc8 | 2006 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2007 | estack_ax(stack, top)->u.s.literal_type = |
2008 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 MD |
2009 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); |
2010 | estack_ax_t = REG_STRING; | |
2011 | break; | |
2012 | default: | |
2013 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
2014 | ret = -EINVAL; | |
2015 | goto end; | |
2016 | } | |
2017 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2018 | PO; | |
2019 | } | |
2020 | ||
77aa5901 MD |
2021 | OP(FILTER_OP_GET_CONTEXT_REF_STRING): |
2022 | { | |
2023 | struct load_op *insn = (struct load_op *) pc; | |
2024 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 2025 | struct lttng_ctx *ctx; |
77aa5901 | 2026 | struct lttng_ctx_field *ctx_field; |
53569322 | 2027 | struct lttng_ctx_value v; |
77aa5901 MD |
2028 | |
2029 | dbg_printf("get context ref offset %u type string\n", | |
2030 | ref->offset); | |
53569322 MD |
2031 | ctx = rcu_dereference(session->ctx); |
2032 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 2033 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2034 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2035 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 MD |
2036 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
2037 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2038 | ret = -EINVAL; | |
2039 | goto end; | |
2040 | } | |
a63d0dc8 | 2041 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2042 | estack_ax(stack, top)->u.s.literal_type = |
2043 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2044 | estack_ax_t = REG_STRING; |
77aa5901 MD |
2045 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
2046 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2047 | PO; | |
2048 | } | |
2049 | ||
2050 | OP(FILTER_OP_GET_CONTEXT_REF_S64): | |
2051 | { | |
2052 | struct load_op *insn = (struct load_op *) pc; | |
2053 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 2054 | struct lttng_ctx *ctx; |
77aa5901 | 2055 | struct lttng_ctx_field *ctx_field; |
53569322 | 2056 | struct lttng_ctx_value v; |
77aa5901 MD |
2057 | |
2058 | dbg_printf("get context ref offset %u type s64\n", | |
2059 | ref->offset); | |
53569322 MD |
2060 | ctx = rcu_dereference(session->ctx); |
2061 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 2062 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2063 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2064 | estack_ax_v = v.u.s64; | |
2065 | estack_ax_t = REG_S64; | |
77aa5901 MD |
2066 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
2067 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2068 | PO; | |
2069 | } | |
2070 | ||
2071 | OP(FILTER_OP_GET_CONTEXT_REF_DOUBLE): | |
2072 | { | |
2073 | struct load_op *insn = (struct load_op *) pc; | |
2074 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 2075 | struct lttng_ctx *ctx; |
77aa5901 | 2076 | struct lttng_ctx_field *ctx_field; |
53569322 | 2077 | struct lttng_ctx_value v; |
77aa5901 MD |
2078 | |
2079 | dbg_printf("get context ref offset %u type double\n", | |
2080 | ref->offset); | |
53569322 MD |
2081 | ctx = rcu_dereference(session->ctx); |
2082 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 2083 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2084 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2085 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
2086 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
2087 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
2088 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2089 | PO; | |
2090 | } | |
2091 | ||
47e5f13e MD |
2092 | OP(FILTER_OP_GET_CONTEXT_ROOT): |
2093 | { | |
2094 | dbg_printf("op get context root\n"); | |
2095 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2096 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_CONTEXT; | |
2097 | /* "field" only needed for variants. */ | |
2098 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2099 | estack_ax_t = REG_PTR; | |
2100 | next_pc += sizeof(struct load_op); | |
2101 | PO; | |
2102 | } | |
2103 | ||
2104 | OP(FILTER_OP_GET_APP_CONTEXT_ROOT): | |
2105 | { | |
2106 | dbg_printf("op get app context root\n"); | |
2107 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2108 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_APP_CONTEXT; | |
2109 | /* "field" only needed for variants. */ | |
2110 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2111 | estack_ax_t = REG_PTR; | |
2112 | next_pc += sizeof(struct load_op); | |
2113 | PO; | |
2114 | } | |
2115 | ||
2116 | OP(FILTER_OP_GET_PAYLOAD_ROOT): | |
2117 | { | |
2118 | dbg_printf("op get app payload root\n"); | |
2119 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2120 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_PAYLOAD; | |
2121 | estack_ax(stack, top)->u.ptr.ptr = filter_stack_data; | |
2122 | /* "field" only needed for variants. */ | |
2123 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2124 | estack_ax_t = REG_PTR; | |
2125 | next_pc += sizeof(struct load_op); | |
2126 | PO; | |
2127 | } | |
2128 | ||
2129 | OP(FILTER_OP_GET_SYMBOL): | |
2130 | { | |
2131 | dbg_printf("op get symbol\n"); | |
2132 | switch (estack_ax(stack, top)->u.ptr.type) { | |
2133 | case LOAD_OBJECT: | |
2134 | ERR("Nested fields not implemented yet."); | |
2135 | ret = -EINVAL; | |
2136 | goto end; | |
2137 | case LOAD_ROOT_CONTEXT: | |
2138 | case LOAD_ROOT_APP_CONTEXT: | |
2139 | case LOAD_ROOT_PAYLOAD: | |
2140 | /* | |
2141 | * symbol lookup is performed by | |
2142 | * specialization. | |
2143 | */ | |
2144 | ret = -EINVAL; | |
2145 | goto end; | |
2146 | } | |
2147 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
2148 | PO; | |
2149 | } | |
2150 | ||
2151 | OP(FILTER_OP_GET_SYMBOL_FIELD): | |
2152 | { | |
2153 | /* | |
2154 | * Used for first variant encountered in a | |
2155 | * traversal. Variants are not implemented yet. | |
2156 | */ | |
2157 | ret = -EINVAL; | |
2158 | goto end; | |
2159 | } | |
2160 | ||
2161 | OP(FILTER_OP_GET_INDEX_U16): | |
2162 | { | |
2163 | struct load_op *insn = (struct load_op *) pc; | |
2164 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
2165 | ||
2166 | dbg_printf("op get index u16\n"); | |
2167 | ret = dynamic_get_index(session, bytecode, index->index, estack_ax(stack, top)); | |
2168 | if (ret) | |
2169 | goto end; | |
2170 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2171 | estack_ax_t = estack_ax(stack, top)->type; | |
2172 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
2173 | PO; | |
2174 | } | |
2175 | ||
2176 | OP(FILTER_OP_GET_INDEX_U64): | |
2177 | { | |
2178 | struct load_op *insn = (struct load_op *) pc; | |
2179 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
2180 | ||
2181 | dbg_printf("op get index u64\n"); | |
2182 | ret = dynamic_get_index(session, bytecode, index->index, estack_ax(stack, top)); | |
2183 | if (ret) | |
2184 | goto end; | |
2185 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2186 | estack_ax_t = estack_ax(stack, top)->type; | |
2187 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
2188 | PO; | |
2189 | } | |
2190 | ||
2191 | OP(FILTER_OP_LOAD_FIELD): | |
2192 | { | |
2193 | dbg_printf("op load field\n"); | |
2194 | ret = dynamic_load_field(estack_ax(stack, top)); | |
2195 | if (ret) | |
2196 | goto end; | |
2197 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2198 | estack_ax_t = estack_ax(stack, top)->type; | |
2199 | next_pc += sizeof(struct load_op); | |
2200 | PO; | |
2201 | } | |
2202 | ||
2203 | OP(FILTER_OP_LOAD_FIELD_S8): | |
2204 | { | |
2205 | dbg_printf("op load field s8\n"); | |
2206 | ||
2207 | estack_ax_v = *(int8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2208 | estack_ax_t = REG_S64; | |
2209 | next_pc += sizeof(struct load_op); | |
2210 | PO; | |
2211 | } | |
2212 | OP(FILTER_OP_LOAD_FIELD_S16): | |
2213 | { | |
2214 | dbg_printf("op load field s16\n"); | |
2215 | ||
2216 | estack_ax_v = *(int16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2217 | estack_ax_t = REG_S64; | |
2218 | next_pc += sizeof(struct load_op); | |
2219 | PO; | |
2220 | } | |
2221 | OP(FILTER_OP_LOAD_FIELD_S32): | |
2222 | { | |
2223 | dbg_printf("op load field s32\n"); | |
2224 | ||
2225 | estack_ax_v = *(int32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2226 | estack_ax_t = REG_S64; | |
2227 | next_pc += sizeof(struct load_op); | |
2228 | PO; | |
2229 | } | |
2230 | OP(FILTER_OP_LOAD_FIELD_S64): | |
2231 | { | |
2232 | dbg_printf("op load field s64\n"); | |
2233 | ||
2234 | estack_ax_v = *(int64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2235 | estack_ax_t = REG_S64; | |
2236 | next_pc += sizeof(struct load_op); | |
2237 | PO; | |
2238 | } | |
2239 | OP(FILTER_OP_LOAD_FIELD_U8): | |
2240 | { | |
2241 | dbg_printf("op load field u8\n"); | |
2242 | ||
2243 | estack_ax_v = *(uint8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2244 | estack_ax_t = REG_S64; | |
2245 | next_pc += sizeof(struct load_op); | |
2246 | PO; | |
2247 | } | |
2248 | OP(FILTER_OP_LOAD_FIELD_U16): | |
2249 | { | |
2250 | dbg_printf("op load field u16\n"); | |
2251 | ||
2252 | estack_ax_v = *(uint16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2253 | estack_ax_t = REG_S64; | |
2254 | next_pc += sizeof(struct load_op); | |
2255 | PO; | |
2256 | } | |
2257 | OP(FILTER_OP_LOAD_FIELD_U32): | |
2258 | { | |
2259 | dbg_printf("op load field u32\n"); | |
2260 | ||
2261 | estack_ax_v = *(uint32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2262 | estack_ax_t = REG_S64; | |
2263 | next_pc += sizeof(struct load_op); | |
2264 | PO; | |
2265 | } | |
2266 | OP(FILTER_OP_LOAD_FIELD_U64): | |
2267 | { | |
2268 | dbg_printf("op load field u64\n"); | |
2269 | ||
2270 | estack_ax_v = *(uint64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2271 | estack_ax_t = REG_S64; | |
2272 | next_pc += sizeof(struct load_op); | |
2273 | PO; | |
2274 | } | |
2275 | OP(FILTER_OP_LOAD_FIELD_DOUBLE): | |
2276 | { | |
2277 | dbg_printf("op load field double\n"); | |
2278 | ||
2279 | memcpy(&estack_ax(stack, top)->u.d, | |
2280 | estack_ax(stack, top)->u.ptr.ptr, | |
2281 | sizeof(struct literal_double)); | |
2282 | estack_ax(stack, top)->type = REG_DOUBLE; | |
2283 | next_pc += sizeof(struct load_op); | |
2284 | PO; | |
2285 | } | |
2286 | ||
2287 | OP(FILTER_OP_LOAD_FIELD_STRING): | |
2288 | { | |
2289 | const char *str; | |
2290 | ||
2291 | dbg_printf("op load field string\n"); | |
2292 | str = (const char *) estack_ax(stack, top)->u.ptr.ptr; | |
2293 | estack_ax(stack, top)->u.s.str = str; | |
2294 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2295 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2296 | ret = -EINVAL; | |
2297 | goto end; | |
2298 | } | |
2299 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; | |
2300 | estack_ax(stack, top)->u.s.literal_type = | |
2301 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2302 | estack_ax(stack, top)->type = REG_STRING; | |
2303 | next_pc += sizeof(struct load_op); | |
2304 | PO; | |
2305 | } | |
2306 | ||
2307 | OP(FILTER_OP_LOAD_FIELD_SEQUENCE): | |
2308 | { | |
2309 | const char *ptr; | |
2310 | ||
2311 | dbg_printf("op load field string sequence\n"); | |
2312 | ptr = estack_ax(stack, top)->u.ptr.ptr; | |
2313 | estack_ax(stack, top)->u.s.seq_len = *(unsigned long *) ptr; | |
2314 | estack_ax(stack, top)->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
2315 | estack_ax(stack, top)->type = REG_STRING; | |
2316 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2317 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
2318 | ret = -EINVAL; | |
2319 | goto end; | |
2320 | } | |
2321 | estack_ax(stack, top)->u.s.literal_type = | |
2322 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2323 | next_pc += sizeof(struct load_op); | |
2324 | PO; | |
2325 | } | |
2326 | ||
97b58163 MD |
2327 | END_OP |
2328 | end: | |
2329 | /* return 0 (discard) on error */ | |
2330 | if (ret) | |
2331 | return 0; | |
2332 | return retval; | |
2333 | } | |
2334 | ||
2335 | #undef START_OP | |
2336 | #undef OP | |
2337 | #undef PO | |
2338 | #undef END_OP |