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, | |
93c591bb MD |
745 | |
746 | [ FILTER_OP_RETURN_S64 ] = &&LABEL_FILTER_OP_RETURN_S64, | |
97b58163 MD |
747 | }; |
748 | #endif /* #ifndef INTERPRETER_USE_SWITCH */ | |
749 | ||
750 | START_OP | |
751 | ||
752 | OP(FILTER_OP_UNKNOWN): | |
753 | OP(FILTER_OP_LOAD_FIELD_REF): | |
754 | #ifdef INTERPRETER_USE_SWITCH | |
755 | default: | |
756 | #endif /* INTERPRETER_USE_SWITCH */ | |
47e5f13e | 757 | ERR("unknown bytecode op %u", |
97b58163 MD |
758 | (unsigned int) *(filter_opcode_t *) pc); |
759 | ret = -EINVAL; | |
760 | goto end; | |
761 | ||
762 | OP(FILTER_OP_RETURN): | |
8a92ed2a | 763 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
47e5f13e MD |
764 | /* Handle dynamic typing. */ |
765 | switch (estack_ax_t) { | |
766 | case REG_S64: | |
767 | retval = !!estack_ax_v; | |
768 | break; | |
769 | case REG_DOUBLE: | |
770 | case REG_STRING: | |
771 | case REG_STAR_GLOB_STRING: | |
772 | default: | |
773 | ret = -EINVAL; | |
774 | goto end; | |
775 | } | |
97b58163 MD |
776 | ret = 0; |
777 | goto end; | |
778 | ||
93c591bb MD |
779 | OP(FILTER_OP_RETURN_S64): |
780 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ | |
781 | retval = !!estack_ax_v; | |
782 | ret = 0; | |
783 | goto end; | |
784 | ||
97b58163 MD |
785 | /* binary */ |
786 | OP(FILTER_OP_MUL): | |
787 | OP(FILTER_OP_DIV): | |
788 | OP(FILTER_OP_MOD): | |
789 | OP(FILTER_OP_PLUS): | |
790 | OP(FILTER_OP_MINUS): | |
47e5f13e | 791 | ERR("unsupported bytecode op %u", |
97b58163 MD |
792 | (unsigned int) *(filter_opcode_t *) pc); |
793 | ret = -EINVAL; | |
794 | goto end; | |
795 | ||
796 | OP(FILTER_OP_EQ): | |
53569322 MD |
797 | { |
798 | /* Dynamic typing. */ | |
799 | switch (estack_ax_t) { | |
800 | case REG_S64: | |
801 | switch (estack_bx_t) { | |
802 | case REG_S64: | |
803 | JUMP_TO(FILTER_OP_EQ_S64); | |
804 | case REG_DOUBLE: | |
805 | JUMP_TO(FILTER_OP_EQ_DOUBLE_S64); | |
3151a51d PP |
806 | case REG_STRING: /* Fall-through */ |
807 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
808 | ret = -EINVAL; |
809 | goto end; | |
810 | default: | |
811 | ERR("Unknown filter register type (%d)", | |
812 | (int) estack_bx_t); | |
813 | ret = -EINVAL; | |
814 | goto end; | |
815 | } | |
816 | break; | |
817 | case REG_DOUBLE: | |
818 | switch (estack_bx_t) { | |
819 | case REG_S64: | |
820 | JUMP_TO(FILTER_OP_EQ_S64_DOUBLE); | |
821 | case REG_DOUBLE: | |
822 | JUMP_TO(FILTER_OP_EQ_DOUBLE); | |
3151a51d PP |
823 | case REG_STRING: /* Fall-through */ |
824 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
825 | ret = -EINVAL; |
826 | goto end; | |
827 | default: | |
828 | ERR("Unknown filter register type (%d)", | |
829 | (int) estack_bx_t); | |
830 | ret = -EINVAL; | |
831 | goto end; | |
832 | } | |
833 | break; | |
834 | case REG_STRING: | |
835 | switch (estack_bx_t) { | |
836 | case REG_S64: /* Fall-through */ | |
837 | case REG_DOUBLE: | |
838 | ret = -EINVAL; | |
839 | goto end; | |
840 | case REG_STRING: | |
841 | JUMP_TO(FILTER_OP_EQ_STRING); | |
3151a51d PP |
842 | case REG_STAR_GLOB_STRING: |
843 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
844 | default: | |
845 | ERR("Unknown filter register type (%d)", | |
846 | (int) estack_bx_t); | |
847 | ret = -EINVAL; | |
848 | goto end; | |
849 | } | |
850 | break; | |
851 | case REG_STAR_GLOB_STRING: | |
852 | switch (estack_bx_t) { | |
853 | case REG_S64: /* Fall-through */ | |
854 | case REG_DOUBLE: | |
855 | ret = -EINVAL; | |
856 | goto end; | |
857 | case REG_STRING: | |
858 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
859 | case REG_STAR_GLOB_STRING: | |
860 | ret = -EINVAL; | |
861 | goto end; | |
53569322 MD |
862 | default: |
863 | ERR("Unknown filter register type (%d)", | |
864 | (int) estack_bx_t); | |
865 | ret = -EINVAL; | |
866 | goto end; | |
867 | } | |
868 | break; | |
869 | default: | |
870 | ERR("Unknown filter register type (%d)", | |
871 | (int) estack_ax_t); | |
872 | ret = -EINVAL; | |
873 | goto end; | |
874 | } | |
875 | } | |
97b58163 | 876 | OP(FILTER_OP_NE): |
53569322 MD |
877 | { |
878 | /* Dynamic typing. */ | |
879 | switch (estack_ax_t) { | |
880 | case REG_S64: | |
881 | switch (estack_bx_t) { | |
882 | case REG_S64: | |
883 | JUMP_TO(FILTER_OP_NE_S64); | |
884 | case REG_DOUBLE: | |
885 | JUMP_TO(FILTER_OP_NE_DOUBLE_S64); | |
3151a51d PP |
886 | case REG_STRING: /* Fall-through */ |
887 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
888 | ret = -EINVAL; |
889 | goto end; | |
890 | default: | |
891 | ERR("Unknown filter register type (%d)", | |
892 | (int) estack_bx_t); | |
893 | ret = -EINVAL; | |
894 | goto end; | |
895 | } | |
896 | break; | |
897 | case REG_DOUBLE: | |
898 | switch (estack_bx_t) { | |
899 | case REG_S64: | |
900 | JUMP_TO(FILTER_OP_NE_S64_DOUBLE); | |
901 | case REG_DOUBLE: | |
902 | JUMP_TO(FILTER_OP_NE_DOUBLE); | |
3151a51d PP |
903 | case REG_STRING: /* Fall-through */ |
904 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
905 | ret = -EINVAL; |
906 | goto end; | |
907 | default: | |
908 | ERR("Unknown filter register type (%d)", | |
909 | (int) estack_bx_t); | |
910 | ret = -EINVAL; | |
911 | goto end; | |
912 | } | |
913 | break; | |
914 | case REG_STRING: | |
915 | switch (estack_bx_t) { | |
916 | case REG_S64: /* Fall-through */ | |
917 | case REG_DOUBLE: | |
918 | ret = -EINVAL; | |
919 | goto end; | |
920 | case REG_STRING: | |
921 | JUMP_TO(FILTER_OP_NE_STRING); | |
3151a51d PP |
922 | case REG_STAR_GLOB_STRING: |
923 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
924 | default: | |
925 | ERR("Unknown filter register type (%d)", | |
926 | (int) estack_bx_t); | |
927 | ret = -EINVAL; | |
928 | goto end; | |
929 | } | |
930 | break; | |
931 | case REG_STAR_GLOB_STRING: | |
932 | switch (estack_bx_t) { | |
933 | case REG_S64: /* Fall-through */ | |
934 | case REG_DOUBLE: | |
935 | ret = -EINVAL; | |
936 | goto end; | |
937 | case REG_STRING: | |
938 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
939 | case REG_STAR_GLOB_STRING: | |
940 | ret = -EINVAL; | |
941 | goto end; | |
53569322 MD |
942 | default: |
943 | ERR("Unknown filter register type (%d)", | |
944 | (int) estack_bx_t); | |
945 | ret = -EINVAL; | |
946 | goto end; | |
947 | } | |
948 | break; | |
949 | default: | |
950 | ERR("Unknown filter register type (%d)", | |
951 | (int) estack_ax_t); | |
952 | ret = -EINVAL; | |
953 | goto end; | |
954 | } | |
955 | } | |
97b58163 | 956 | OP(FILTER_OP_GT): |
53569322 MD |
957 | { |
958 | /* Dynamic typing. */ | |
959 | switch (estack_ax_t) { | |
960 | case REG_S64: | |
961 | switch (estack_bx_t) { | |
962 | case REG_S64: | |
963 | JUMP_TO(FILTER_OP_GT_S64); | |
964 | case REG_DOUBLE: | |
965 | JUMP_TO(FILTER_OP_GT_DOUBLE_S64); | |
3151a51d PP |
966 | case REG_STRING: /* Fall-through */ |
967 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
968 | ret = -EINVAL; |
969 | goto end; | |
970 | default: | |
971 | ERR("Unknown filter register type (%d)", | |
972 | (int) estack_bx_t); | |
973 | ret = -EINVAL; | |
974 | goto end; | |
975 | } | |
976 | break; | |
977 | case REG_DOUBLE: | |
978 | switch (estack_bx_t) { | |
979 | case REG_S64: | |
980 | JUMP_TO(FILTER_OP_GT_S64_DOUBLE); | |
981 | case REG_DOUBLE: | |
982 | JUMP_TO(FILTER_OP_GT_DOUBLE); | |
3151a51d PP |
983 | case REG_STRING: /* Fall-through */ |
984 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
985 | ret = -EINVAL; |
986 | goto end; | |
987 | default: | |
988 | ERR("Unknown filter register type (%d)", | |
989 | (int) estack_bx_t); | |
990 | ret = -EINVAL; | |
991 | goto end; | |
992 | } | |
993 | break; | |
994 | case REG_STRING: | |
995 | switch (estack_bx_t) { | |
996 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
997 | case REG_DOUBLE: /* Fall-through */ |
998 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
999 | ret = -EINVAL; |
1000 | goto end; | |
1001 | case REG_STRING: | |
1002 | JUMP_TO(FILTER_OP_GT_STRING); | |
1003 | default: | |
1004 | ERR("Unknown filter register type (%d)", | |
1005 | (int) estack_bx_t); | |
1006 | ret = -EINVAL; | |
1007 | goto end; | |
1008 | } | |
1009 | break; | |
1010 | default: | |
1011 | ERR("Unknown filter register type (%d)", | |
1012 | (int) estack_ax_t); | |
1013 | ret = -EINVAL; | |
1014 | goto end; | |
1015 | } | |
1016 | } | |
97b58163 | 1017 | OP(FILTER_OP_LT): |
53569322 MD |
1018 | { |
1019 | /* Dynamic typing. */ | |
1020 | switch (estack_ax_t) { | |
1021 | case REG_S64: | |
1022 | switch (estack_bx_t) { | |
1023 | case REG_S64: | |
1024 | JUMP_TO(FILTER_OP_LT_S64); | |
1025 | case REG_DOUBLE: | |
1026 | JUMP_TO(FILTER_OP_LT_DOUBLE_S64); | |
3151a51d PP |
1027 | case REG_STRING: /* Fall-through */ |
1028 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1029 | ret = -EINVAL; |
1030 | goto end; | |
1031 | default: | |
1032 | ERR("Unknown filter register type (%d)", | |
1033 | (int) estack_bx_t); | |
1034 | ret = -EINVAL; | |
1035 | goto end; | |
1036 | } | |
1037 | break; | |
1038 | case REG_DOUBLE: | |
1039 | switch (estack_bx_t) { | |
1040 | case REG_S64: | |
1041 | JUMP_TO(FILTER_OP_LT_S64_DOUBLE); | |
1042 | case REG_DOUBLE: | |
1043 | JUMP_TO(FILTER_OP_LT_DOUBLE); | |
3151a51d PP |
1044 | case REG_STRING: /* Fall-through */ |
1045 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1046 | ret = -EINVAL; |
1047 | goto end; | |
1048 | default: | |
1049 | ERR("Unknown filter register type (%d)", | |
1050 | (int) estack_bx_t); | |
1051 | ret = -EINVAL; | |
1052 | goto end; | |
1053 | } | |
1054 | break; | |
1055 | case REG_STRING: | |
1056 | switch (estack_bx_t) { | |
1057 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1058 | case REG_DOUBLE: /* Fall-through */ |
1059 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1060 | ret = -EINVAL; |
1061 | goto end; | |
1062 | case REG_STRING: | |
1063 | JUMP_TO(FILTER_OP_LT_STRING); | |
1064 | default: | |
1065 | ERR("Unknown filter register type (%d)", | |
1066 | (int) estack_bx_t); | |
1067 | ret = -EINVAL; | |
1068 | goto end; | |
1069 | } | |
1070 | break; | |
1071 | default: | |
1072 | ERR("Unknown filter register type (%d)", | |
1073 | (int) estack_ax_t); | |
1074 | ret = -EINVAL; | |
1075 | goto end; | |
1076 | } | |
1077 | } | |
97b58163 | 1078 | OP(FILTER_OP_GE): |
53569322 MD |
1079 | { |
1080 | /* Dynamic typing. */ | |
1081 | switch (estack_ax_t) { | |
1082 | case REG_S64: | |
1083 | switch (estack_bx_t) { | |
1084 | case REG_S64: | |
1085 | JUMP_TO(FILTER_OP_GE_S64); | |
1086 | case REG_DOUBLE: | |
1087 | JUMP_TO(FILTER_OP_GE_DOUBLE_S64); | |
3151a51d PP |
1088 | case REG_STRING: /* Fall-through */ |
1089 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1090 | ret = -EINVAL; |
1091 | goto end; | |
1092 | default: | |
1093 | ERR("Unknown filter register type (%d)", | |
1094 | (int) estack_bx_t); | |
1095 | ret = -EINVAL; | |
1096 | goto end; | |
1097 | } | |
1098 | break; | |
1099 | case REG_DOUBLE: | |
1100 | switch (estack_bx_t) { | |
1101 | case REG_S64: | |
1102 | JUMP_TO(FILTER_OP_GE_S64_DOUBLE); | |
1103 | case REG_DOUBLE: | |
1104 | JUMP_TO(FILTER_OP_GE_DOUBLE); | |
3151a51d PP |
1105 | case REG_STRING: /* Fall-through */ |
1106 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1107 | ret = -EINVAL; |
1108 | goto end; | |
1109 | default: | |
1110 | ERR("Unknown filter register type (%d)", | |
1111 | (int) estack_bx_t); | |
1112 | ret = -EINVAL; | |
1113 | goto end; | |
1114 | } | |
1115 | break; | |
1116 | case REG_STRING: | |
1117 | switch (estack_bx_t) { | |
1118 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1119 | case REG_DOUBLE: /* Fall-through */ |
1120 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1121 | ret = -EINVAL; |
1122 | goto end; | |
1123 | case REG_STRING: | |
1124 | JUMP_TO(FILTER_OP_GE_STRING); | |
1125 | default: | |
1126 | ERR("Unknown filter register type (%d)", | |
1127 | (int) estack_bx_t); | |
1128 | ret = -EINVAL; | |
1129 | goto end; | |
1130 | } | |
1131 | break; | |
1132 | default: | |
1133 | ERR("Unknown filter register type (%d)", | |
1134 | (int) estack_ax_t); | |
1135 | ret = -EINVAL; | |
1136 | goto end; | |
1137 | } | |
1138 | } | |
97b58163 | 1139 | OP(FILTER_OP_LE): |
53569322 MD |
1140 | { |
1141 | /* Dynamic typing. */ | |
1142 | switch (estack_ax_t) { | |
1143 | case REG_S64: | |
1144 | switch (estack_bx_t) { | |
1145 | case REG_S64: | |
1146 | JUMP_TO(FILTER_OP_LE_S64); | |
1147 | case REG_DOUBLE: | |
1148 | JUMP_TO(FILTER_OP_LE_DOUBLE_S64); | |
3151a51d PP |
1149 | case REG_STRING: /* Fall-through */ |
1150 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1151 | ret = -EINVAL; |
1152 | goto end; | |
1153 | default: | |
1154 | ERR("Unknown filter register type (%d)", | |
1155 | (int) estack_bx_t); | |
1156 | ret = -EINVAL; | |
1157 | goto end; | |
1158 | } | |
1159 | break; | |
1160 | case REG_DOUBLE: | |
1161 | switch (estack_bx_t) { | |
1162 | case REG_S64: | |
1163 | JUMP_TO(FILTER_OP_LE_S64_DOUBLE); | |
1164 | case REG_DOUBLE: | |
1165 | JUMP_TO(FILTER_OP_LE_DOUBLE); | |
3151a51d PP |
1166 | case REG_STRING: /* Fall-through */ |
1167 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1168 | ret = -EINVAL; |
1169 | goto end; | |
1170 | default: | |
1171 | ERR("Unknown filter register type (%d)", | |
1172 | (int) estack_bx_t); | |
1173 | ret = -EINVAL; | |
1174 | goto end; | |
1175 | } | |
1176 | break; | |
1177 | case REG_STRING: | |
1178 | switch (estack_bx_t) { | |
1179 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1180 | case REG_DOUBLE: /* Fall-through */ |
1181 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1182 | ret = -EINVAL; |
1183 | goto end; | |
1184 | case REG_STRING: | |
1185 | JUMP_TO(FILTER_OP_LE_STRING); | |
1186 | default: | |
1187 | ERR("Unknown filter register type (%d)", | |
1188 | (int) estack_bx_t); | |
1189 | ret = -EINVAL; | |
1190 | goto end; | |
1191 | } | |
1192 | break; | |
1193 | default: | |
1194 | ERR("Unknown filter register type (%d)", | |
1195 | (int) estack_ax_t); | |
1196 | ret = -EINVAL; | |
1197 | goto end; | |
1198 | } | |
1199 | } | |
97b58163 MD |
1200 | |
1201 | OP(FILTER_OP_EQ_STRING): | |
1202 | { | |
0305960f MD |
1203 | int res; |
1204 | ||
9b33aac4 | 1205 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 1206 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1207 | estack_ax_v = res; |
53569322 | 1208 | estack_ax_t = REG_S64; |
97b58163 MD |
1209 | next_pc += sizeof(struct binary_op); |
1210 | PO; | |
1211 | } | |
1212 | OP(FILTER_OP_NE_STRING): | |
1213 | { | |
0305960f MD |
1214 | int res; |
1215 | ||
9b33aac4 | 1216 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 1217 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1218 | estack_ax_v = res; |
53569322 | 1219 | estack_ax_t = REG_S64; |
97b58163 MD |
1220 | next_pc += sizeof(struct binary_op); |
1221 | PO; | |
1222 | } | |
1223 | OP(FILTER_OP_GT_STRING): | |
1224 | { | |
0305960f MD |
1225 | int res; |
1226 | ||
9b33aac4 | 1227 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 1228 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1229 | estack_ax_v = res; |
53569322 | 1230 | estack_ax_t = REG_S64; |
97b58163 MD |
1231 | next_pc += sizeof(struct binary_op); |
1232 | PO; | |
1233 | } | |
1234 | OP(FILTER_OP_LT_STRING): | |
1235 | { | |
0305960f MD |
1236 | int res; |
1237 | ||
9b33aac4 | 1238 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 1239 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1240 | estack_ax_v = res; |
53569322 | 1241 | estack_ax_t = REG_S64; |
97b58163 MD |
1242 | next_pc += sizeof(struct binary_op); |
1243 | PO; | |
1244 | } | |
1245 | OP(FILTER_OP_GE_STRING): | |
1246 | { | |
0305960f MD |
1247 | int res; |
1248 | ||
9b33aac4 | 1249 | res = (stack_strcmp(stack, top, ">=") >= 0); |
53569322 | 1250 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1251 | estack_ax_v = res; |
53569322 | 1252 | estack_ax_t = REG_S64; |
97b58163 MD |
1253 | next_pc += sizeof(struct binary_op); |
1254 | PO; | |
1255 | } | |
1256 | OP(FILTER_OP_LE_STRING): | |
1257 | { | |
0305960f MD |
1258 | int res; |
1259 | ||
9b33aac4 | 1260 | res = (stack_strcmp(stack, top, "<=") <= 0); |
53569322 | 1261 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1262 | estack_ax_v = res; |
53569322 | 1263 | estack_ax_t = REG_S64; |
97b58163 MD |
1264 | next_pc += sizeof(struct binary_op); |
1265 | PO; | |
1266 | } | |
1267 | ||
3151a51d PP |
1268 | OP(FILTER_OP_EQ_STAR_GLOB_STRING): |
1269 | { | |
1270 | int res; | |
1271 | ||
1272 | res = (stack_star_glob_match(stack, top, "==") == 0); | |
1273 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1274 | estack_ax_v = res; | |
1275 | estack_ax_t = REG_S64; | |
1276 | next_pc += sizeof(struct binary_op); | |
1277 | PO; | |
1278 | } | |
1279 | OP(FILTER_OP_NE_STAR_GLOB_STRING): | |
1280 | { | |
1281 | int res; | |
1282 | ||
1283 | res = (stack_star_glob_match(stack, top, "!=") != 0); | |
1284 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1285 | estack_ax_v = res; | |
1286 | estack_ax_t = REG_S64; | |
1287 | next_pc += sizeof(struct binary_op); | |
1288 | PO; | |
1289 | } | |
1290 | ||
97b58163 MD |
1291 | OP(FILTER_OP_EQ_S64): |
1292 | { | |
0305960f MD |
1293 | int res; |
1294 | ||
9b33aac4 | 1295 | res = (estack_bx_v == estack_ax_v); |
53569322 | 1296 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1297 | estack_ax_v = res; |
53569322 | 1298 | estack_ax_t = REG_S64; |
97b58163 MD |
1299 | next_pc += sizeof(struct binary_op); |
1300 | PO; | |
1301 | } | |
1302 | OP(FILTER_OP_NE_S64): | |
1303 | { | |
0305960f MD |
1304 | int res; |
1305 | ||
9b33aac4 | 1306 | res = (estack_bx_v != estack_ax_v); |
53569322 | 1307 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1308 | estack_ax_v = res; |
53569322 | 1309 | estack_ax_t = REG_S64; |
97b58163 MD |
1310 | next_pc += sizeof(struct binary_op); |
1311 | PO; | |
1312 | } | |
1313 | OP(FILTER_OP_GT_S64): | |
1314 | { | |
0305960f MD |
1315 | int res; |
1316 | ||
9b33aac4 | 1317 | res = (estack_bx_v > estack_ax_v); |
53569322 | 1318 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1319 | estack_ax_v = res; |
53569322 | 1320 | estack_ax_t = REG_S64; |
97b58163 MD |
1321 | next_pc += sizeof(struct binary_op); |
1322 | PO; | |
1323 | } | |
1324 | OP(FILTER_OP_LT_S64): | |
1325 | { | |
0305960f MD |
1326 | int res; |
1327 | ||
9b33aac4 | 1328 | res = (estack_bx_v < estack_ax_v); |
53569322 | 1329 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1330 | estack_ax_v = res; |
53569322 | 1331 | estack_ax_t = REG_S64; |
97b58163 MD |
1332 | next_pc += sizeof(struct binary_op); |
1333 | PO; | |
1334 | } | |
1335 | OP(FILTER_OP_GE_S64): | |
1336 | { | |
0305960f MD |
1337 | int res; |
1338 | ||
9b33aac4 | 1339 | res = (estack_bx_v >= estack_ax_v); |
53569322 | 1340 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1341 | estack_ax_v = res; |
53569322 | 1342 | estack_ax_t = REG_S64; |
97b58163 MD |
1343 | next_pc += sizeof(struct binary_op); |
1344 | PO; | |
1345 | } | |
1346 | OP(FILTER_OP_LE_S64): | |
1347 | { | |
0305960f MD |
1348 | int res; |
1349 | ||
9b33aac4 | 1350 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 1351 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1352 | estack_ax_v = res; |
53569322 | 1353 | estack_ax_t = REG_S64; |
97b58163 MD |
1354 | next_pc += sizeof(struct binary_op); |
1355 | PO; | |
1356 | } | |
1357 | ||
1358 | OP(FILTER_OP_EQ_DOUBLE): | |
1359 | { | |
0305960f MD |
1360 | int res; |
1361 | ||
9b33aac4 | 1362 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 1363 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1364 | estack_ax_v = res; |
53569322 | 1365 | estack_ax_t = REG_S64; |
97b58163 MD |
1366 | next_pc += sizeof(struct binary_op); |
1367 | PO; | |
1368 | } | |
1369 | OP(FILTER_OP_NE_DOUBLE): | |
1370 | { | |
0305960f MD |
1371 | int res; |
1372 | ||
9b33aac4 | 1373 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 1374 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1375 | estack_ax_v = res; |
53569322 | 1376 | estack_ax_t = REG_S64; |
97b58163 MD |
1377 | next_pc += sizeof(struct binary_op); |
1378 | PO; | |
1379 | } | |
1380 | OP(FILTER_OP_GT_DOUBLE): | |
1381 | { | |
0305960f MD |
1382 | int res; |
1383 | ||
9b33aac4 | 1384 | res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); |
53569322 | 1385 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1386 | estack_ax_v = res; |
53569322 | 1387 | estack_ax_t = REG_S64; |
97b58163 MD |
1388 | next_pc += sizeof(struct binary_op); |
1389 | PO; | |
1390 | } | |
1391 | OP(FILTER_OP_LT_DOUBLE): | |
1392 | { | |
0305960f MD |
1393 | int res; |
1394 | ||
9b33aac4 | 1395 | res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); |
53569322 | 1396 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1397 | estack_ax_v = res; |
53569322 | 1398 | estack_ax_t = REG_S64; |
97b58163 MD |
1399 | next_pc += sizeof(struct binary_op); |
1400 | PO; | |
1401 | } | |
1402 | OP(FILTER_OP_GE_DOUBLE): | |
1403 | { | |
0305960f MD |
1404 | int res; |
1405 | ||
9b33aac4 | 1406 | res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); |
53569322 | 1407 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1408 | estack_ax_v = res; |
53569322 | 1409 | estack_ax_t = REG_S64; |
97b58163 MD |
1410 | next_pc += sizeof(struct binary_op); |
1411 | PO; | |
1412 | } | |
1413 | OP(FILTER_OP_LE_DOUBLE): | |
1414 | { | |
0305960f MD |
1415 | int res; |
1416 | ||
9b33aac4 | 1417 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 1418 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1419 | estack_ax_v = res; |
53569322 | 1420 | estack_ax_t = REG_S64; |
dbea82ec MD |
1421 | next_pc += sizeof(struct binary_op); |
1422 | PO; | |
1423 | } | |
1424 | ||
1425 | /* Mixed S64-double binary comparators */ | |
1426 | OP(FILTER_OP_EQ_DOUBLE_S64): | |
1427 | { | |
1428 | int res; | |
1429 | ||
9b33aac4 | 1430 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
53569322 | 1431 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1432 | estack_ax_v = res; |
53569322 | 1433 | estack_ax_t = REG_S64; |
dbea82ec MD |
1434 | next_pc += sizeof(struct binary_op); |
1435 | PO; | |
1436 | } | |
1437 | OP(FILTER_OP_NE_DOUBLE_S64): | |
1438 | { | |
1439 | int res; | |
1440 | ||
9b33aac4 | 1441 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
53569322 | 1442 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1443 | estack_ax_v = res; |
53569322 | 1444 | estack_ax_t = REG_S64; |
dbea82ec MD |
1445 | next_pc += sizeof(struct binary_op); |
1446 | PO; | |
1447 | } | |
1448 | OP(FILTER_OP_GT_DOUBLE_S64): | |
1449 | { | |
1450 | int res; | |
1451 | ||
9b33aac4 | 1452 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
53569322 | 1453 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1454 | estack_ax_v = res; |
53569322 | 1455 | estack_ax_t = REG_S64; |
dbea82ec MD |
1456 | next_pc += sizeof(struct binary_op); |
1457 | PO; | |
1458 | } | |
1459 | OP(FILTER_OP_LT_DOUBLE_S64): | |
1460 | { | |
1461 | int res; | |
1462 | ||
9b33aac4 | 1463 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 1464 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1465 | estack_ax_v = res; |
53569322 | 1466 | estack_ax_t = REG_S64; |
dbea82ec MD |
1467 | next_pc += sizeof(struct binary_op); |
1468 | PO; | |
1469 | } | |
1470 | OP(FILTER_OP_GE_DOUBLE_S64): | |
1471 | { | |
1472 | int res; | |
1473 | ||
9b33aac4 | 1474 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 1475 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1476 | estack_ax_v = res; |
53569322 | 1477 | estack_ax_t = REG_S64; |
dbea82ec MD |
1478 | next_pc += sizeof(struct binary_op); |
1479 | PO; | |
1480 | } | |
1481 | OP(FILTER_OP_LE_DOUBLE_S64): | |
1482 | { | |
1483 | int res; | |
1484 | ||
9b33aac4 | 1485 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 1486 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1487 | estack_ax_v = res; |
53569322 | 1488 | estack_ax_t = REG_S64; |
dbea82ec MD |
1489 | next_pc += sizeof(struct binary_op); |
1490 | PO; | |
1491 | } | |
1492 | ||
1493 | OP(FILTER_OP_EQ_S64_DOUBLE): | |
1494 | { | |
1495 | int res; | |
1496 | ||
9b33aac4 | 1497 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 1498 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1499 | estack_ax_v = res; |
53569322 | 1500 | estack_ax_t = REG_S64; |
dbea82ec MD |
1501 | next_pc += sizeof(struct binary_op); |
1502 | PO; | |
1503 | } | |
1504 | OP(FILTER_OP_NE_S64_DOUBLE): | |
1505 | { | |
1506 | int res; | |
1507 | ||
9b33aac4 | 1508 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 1509 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1510 | estack_ax_v = res; |
53569322 | 1511 | estack_ax_t = REG_S64; |
dbea82ec MD |
1512 | next_pc += sizeof(struct binary_op); |
1513 | PO; | |
1514 | } | |
1515 | OP(FILTER_OP_GT_S64_DOUBLE): | |
1516 | { | |
1517 | int res; | |
1518 | ||
9b33aac4 | 1519 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 1520 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1521 | estack_ax_v = res; |
53569322 | 1522 | estack_ax_t = REG_S64; |
dbea82ec MD |
1523 | next_pc += sizeof(struct binary_op); |
1524 | PO; | |
1525 | } | |
1526 | OP(FILTER_OP_LT_S64_DOUBLE): | |
1527 | { | |
1528 | int res; | |
1529 | ||
9b33aac4 | 1530 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 1531 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1532 | estack_ax_v = res; |
53569322 | 1533 | estack_ax_t = REG_S64; |
dbea82ec MD |
1534 | next_pc += sizeof(struct binary_op); |
1535 | PO; | |
1536 | } | |
1537 | OP(FILTER_OP_GE_S64_DOUBLE): | |
1538 | { | |
1539 | int res; | |
1540 | ||
9b33aac4 | 1541 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 1542 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1543 | estack_ax_v = res; |
53569322 | 1544 | estack_ax_t = REG_S64; |
dbea82ec MD |
1545 | next_pc += sizeof(struct binary_op); |
1546 | PO; | |
1547 | } | |
1548 | OP(FILTER_OP_LE_S64_DOUBLE): | |
1549 | { | |
1550 | int res; | |
1551 | ||
9b33aac4 | 1552 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1553 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1554 | estack_ax_v = res; |
53569322 | 1555 | estack_ax_t = REG_S64; |
97b58163 MD |
1556 | next_pc += sizeof(struct binary_op); |
1557 | PO; | |
1558 | } | |
0039e2d8 MD |
1559 | OP(FILTER_OP_BIT_RSHIFT): |
1560 | { | |
1561 | int64_t res; | |
1562 | ||
1563 | /* Dynamic typing. */ | |
1564 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1565 | ret = -EINVAL; | |
1566 | goto end; | |
1567 | } | |
3703f1d2 MD |
1568 | /* Catch undefined behavior. */ |
1569 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1570 | ret = -EINVAL; | |
1571 | goto end; | |
1572 | } | |
4e8f9a89 | 1573 | res = ((uint64_t) estack_bx_v >> (uint32_t) estack_ax_v); |
0039e2d8 MD |
1574 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1575 | estack_ax_v = res; | |
1576 | estack_ax_t = REG_S64; | |
1577 | next_pc += sizeof(struct binary_op); | |
1578 | PO; | |
1579 | } | |
1580 | OP(FILTER_OP_BIT_LSHIFT): | |
1581 | { | |
1582 | int64_t res; | |
1583 | ||
1584 | /* Dynamic typing. */ | |
1585 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1586 | ret = -EINVAL; | |
1587 | goto end; | |
1588 | } | |
3703f1d2 MD |
1589 | /* Catch undefined behavior. */ |
1590 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1591 | ret = -EINVAL; | |
1592 | goto end; | |
1593 | } | |
4e8f9a89 | 1594 | res = ((uint64_t) estack_bx_v << (uint32_t) estack_ax_v); |
0039e2d8 MD |
1595 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1596 | estack_ax_v = res; | |
1597 | estack_ax_t = REG_S64; | |
1598 | next_pc += sizeof(struct binary_op); | |
1599 | PO; | |
1600 | } | |
47e5f13e MD |
1601 | OP(FILTER_OP_BIT_AND): |
1602 | { | |
1603 | int64_t res; | |
1604 | ||
1605 | /* Dynamic typing. */ | |
1606 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1607 | ret = -EINVAL; | |
1608 | goto end; | |
1609 | } | |
1610 | ||
4e8f9a89 | 1611 | res = ((uint64_t) estack_bx_v & (uint64_t) estack_ax_v); |
47e5f13e MD |
1612 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1613 | estack_ax_v = res; | |
1614 | estack_ax_t = REG_S64; | |
1615 | next_pc += sizeof(struct binary_op); | |
1616 | PO; | |
1617 | } | |
1618 | OP(FILTER_OP_BIT_OR): | |
1619 | { | |
1620 | int64_t res; | |
1621 | ||
1622 | /* Dynamic typing. */ | |
1623 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1624 | ret = -EINVAL; | |
1625 | goto end; | |
1626 | } | |
1627 | ||
4e8f9a89 | 1628 | res = ((uint64_t) estack_bx_v | (uint64_t) estack_ax_v); |
47e5f13e MD |
1629 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1630 | estack_ax_v = res; | |
1631 | estack_ax_t = REG_S64; | |
1632 | next_pc += sizeof(struct binary_op); | |
1633 | PO; | |
1634 | } | |
1635 | OP(FILTER_OP_BIT_XOR): | |
1636 | { | |
1637 | int64_t res; | |
1638 | ||
1639 | /* Dynamic typing. */ | |
1640 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1641 | ret = -EINVAL; | |
1642 | goto end; | |
1643 | } | |
1644 | ||
4e8f9a89 | 1645 | res = ((uint64_t) estack_bx_v ^ (uint64_t) estack_ax_v); |
47e5f13e MD |
1646 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1647 | estack_ax_v = res; | |
1648 | estack_ax_t = REG_S64; | |
1649 | next_pc += sizeof(struct binary_op); | |
1650 | PO; | |
1651 | } | |
97b58163 MD |
1652 | |
1653 | /* unary */ | |
1654 | OP(FILTER_OP_UNARY_PLUS): | |
53569322 MD |
1655 | { |
1656 | /* Dynamic typing. */ | |
1657 | switch (estack_ax_t) { | |
1658 | case REG_S64: /* Fall-through. */ | |
1659 | JUMP_TO(FILTER_OP_UNARY_PLUS_S64); | |
1660 | case REG_DOUBLE: | |
1661 | JUMP_TO(FILTER_OP_UNARY_PLUS_DOUBLE); | |
3151a51d PP |
1662 | case REG_STRING: /* Fall-through */ |
1663 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1664 | ret = -EINVAL; |
1665 | goto end; | |
1666 | default: | |
1667 | ERR("Unknown filter register type (%d)", | |
1668 | (int) estack_ax_t); | |
1669 | ret = -EINVAL; | |
1670 | goto end; | |
1671 | } | |
1672 | } | |
97b58163 | 1673 | OP(FILTER_OP_UNARY_MINUS): |
53569322 MD |
1674 | { |
1675 | /* Dynamic typing. */ | |
1676 | switch (estack_ax_t) { | |
1677 | case REG_S64: | |
1678 | JUMP_TO(FILTER_OP_UNARY_MINUS_S64); | |
1679 | case REG_DOUBLE: | |
1680 | JUMP_TO(FILTER_OP_UNARY_MINUS_DOUBLE); | |
3151a51d PP |
1681 | case REG_STRING: /* Fall-through */ |
1682 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1683 | ret = -EINVAL; |
1684 | goto end; | |
1685 | default: | |
1686 | ERR("Unknown filter register type (%d)", | |
1687 | (int) estack_ax_t); | |
1688 | ret = -EINVAL; | |
1689 | goto end; | |
1690 | } | |
1691 | } | |
97b58163 | 1692 | OP(FILTER_OP_UNARY_NOT): |
53569322 MD |
1693 | { |
1694 | /* Dynamic typing. */ | |
1695 | switch (estack_ax_t) { | |
1696 | case REG_S64: | |
1697 | JUMP_TO(FILTER_OP_UNARY_NOT_S64); | |
1698 | case REG_DOUBLE: | |
1699 | JUMP_TO(FILTER_OP_UNARY_NOT_DOUBLE); | |
3151a51d PP |
1700 | case REG_STRING: /* Fall-through */ |
1701 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1702 | ret = -EINVAL; |
1703 | goto end; | |
1704 | default: | |
1705 | ERR("Unknown filter register type (%d)", | |
1706 | (int) estack_ax_t); | |
1707 | ret = -EINVAL; | |
1708 | goto end; | |
1709 | } | |
1710 | next_pc += sizeof(struct unary_op); | |
1711 | PO; | |
1712 | } | |
97b58163 | 1713 | |
0039e2d8 MD |
1714 | OP(FILTER_OP_UNARY_BIT_NOT): |
1715 | { | |
1716 | /* Dynamic typing. */ | |
1717 | if (estack_ax_t != REG_S64) { | |
1718 | ret = -EINVAL; | |
1719 | goto end; | |
1720 | } | |
1721 | ||
4e8f9a89 | 1722 | estack_ax_v = ~(uint64_t) estack_ax_v; |
0039e2d8 MD |
1723 | next_pc += sizeof(struct unary_op); |
1724 | PO; | |
1725 | } | |
1726 | ||
97b58163 MD |
1727 | OP(FILTER_OP_UNARY_PLUS_S64): |
1728 | OP(FILTER_OP_UNARY_PLUS_DOUBLE): | |
1729 | { | |
1730 | next_pc += sizeof(struct unary_op); | |
1731 | PO; | |
1732 | } | |
1733 | OP(FILTER_OP_UNARY_MINUS_S64): | |
1734 | { | |
9b33aac4 | 1735 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1736 | next_pc += sizeof(struct unary_op); |
1737 | PO; | |
1738 | } | |
1739 | OP(FILTER_OP_UNARY_MINUS_DOUBLE): | |
1740 | { | |
9b33aac4 | 1741 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1742 | next_pc += sizeof(struct unary_op); |
1743 | PO; | |
1744 | } | |
1745 | OP(FILTER_OP_UNARY_NOT_S64): | |
1746 | { | |
9b33aac4 | 1747 | estack_ax_v = !estack_ax_v; |
97b58163 MD |
1748 | next_pc += sizeof(struct unary_op); |
1749 | PO; | |
1750 | } | |
1751 | OP(FILTER_OP_UNARY_NOT_DOUBLE): | |
1752 | { | |
53569322 MD |
1753 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1754 | estack_ax_t = REG_S64; | |
97b58163 MD |
1755 | next_pc += sizeof(struct unary_op); |
1756 | PO; | |
1757 | } | |
1758 | ||
1759 | /* logical */ | |
1760 | OP(FILTER_OP_AND): | |
1761 | { | |
1762 | struct logical_op *insn = (struct logical_op *) pc; | |
1763 | ||
53569322 MD |
1764 | if (estack_ax_t != REG_S64) { |
1765 | ret = -EINVAL; | |
1766 | goto end; | |
1767 | } | |
0305960f | 1768 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1769 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1770 | dbg_printf("Jumping to bytecode offset %u\n", |
1771 | (unsigned int) insn->skip_offset); | |
1772 | next_pc = start_pc + insn->skip_offset; | |
1773 | } else { | |
71c1ceeb | 1774 | /* Pop 1 when jump not taken */ |
53569322 | 1775 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1776 | next_pc += sizeof(struct logical_op); |
1777 | } | |
1778 | PO; | |
1779 | } | |
1780 | OP(FILTER_OP_OR): | |
1781 | { | |
1782 | struct logical_op *insn = (struct logical_op *) pc; | |
1783 | ||
53569322 MD |
1784 | if (estack_ax_t != REG_S64) { |
1785 | ret = -EINVAL; | |
1786 | goto end; | |
1787 | } | |
0305960f | 1788 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1789 | if (unlikely(estack_ax_v != 0)) { |
1790 | estack_ax_v = 1; | |
97b58163 MD |
1791 | dbg_printf("Jumping to bytecode offset %u\n", |
1792 | (unsigned int) insn->skip_offset); | |
1793 | next_pc = start_pc + insn->skip_offset; | |
1794 | } else { | |
71c1ceeb | 1795 | /* Pop 1 when jump not taken */ |
53569322 | 1796 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1797 | next_pc += sizeof(struct logical_op); |
1798 | } | |
1799 | PO; | |
1800 | } | |
1801 | ||
1802 | ||
77aa5901 | 1803 | /* load field ref */ |
97b58163 MD |
1804 | OP(FILTER_OP_LOAD_FIELD_REF_STRING): |
1805 | { | |
1806 | struct load_op *insn = (struct load_op *) pc; | |
1807 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1808 | ||
1809 | dbg_printf("load field ref offset %u type string\n", | |
1810 | ref->offset); | |
53569322 | 1811 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1812 | estack_ax(stack, top)->u.s.str = |
97b58163 | 1813 | *(const char * const *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1814 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1815 | dbg_printf("Filter warning: loading a NULL string.\n"); |
1816 | ret = -EINVAL; | |
1817 | goto end; | |
1818 | } | |
a63d0dc8 | 1819 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1820 | estack_ax(stack, top)->u.s.literal_type = |
1821 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 1822 | estack_ax_t = REG_STRING; |
9b33aac4 | 1823 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1824 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1825 | PO; | |
1826 | } | |
1827 | ||
1828 | OP(FILTER_OP_LOAD_FIELD_REF_SEQUENCE): | |
1829 | { | |
1830 | struct load_op *insn = (struct load_op *) pc; | |
1831 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1832 | ||
1833 | dbg_printf("load field ref offset %u type sequence\n", | |
1834 | ref->offset); | |
53569322 | 1835 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1836 | estack_ax(stack, top)->u.s.seq_len = |
97b58163 | 1837 | *(unsigned long *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1838 | estack_ax(stack, top)->u.s.str = |
97b58163 MD |
1839 | *(const char **) (&filter_stack_data[ref->offset |
1840 | + sizeof(unsigned long)]); | |
53569322 | 1841 | estack_ax_t = REG_STRING; |
9b33aac4 | 1842 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1843 | dbg_printf("Filter warning: loading a NULL sequence.\n"); |
1844 | ret = -EINVAL; | |
1845 | goto end; | |
1846 | } | |
3151a51d PP |
1847 | estack_ax(stack, top)->u.s.literal_type = |
1848 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
97b58163 MD |
1849 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1850 | PO; | |
1851 | } | |
1852 | ||
1853 | OP(FILTER_OP_LOAD_FIELD_REF_S64): | |
1854 | { | |
1855 | struct load_op *insn = (struct load_op *) pc; | |
1856 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1857 | ||
1858 | dbg_printf("load field ref offset %u type s64\n", | |
1859 | ref->offset); | |
53569322 | 1860 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 MD |
1861 | estack_ax_v = |
1862 | ((struct literal_numeric *) &filter_stack_data[ref->offset])->v; | |
53569322 | 1863 | estack_ax_t = REG_S64; |
9b33aac4 | 1864 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1865 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1866 | PO; | |
1867 | } | |
1868 | ||
1869 | OP(FILTER_OP_LOAD_FIELD_REF_DOUBLE): | |
1870 | { | |
1871 | struct load_op *insn = (struct load_op *) pc; | |
1872 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1873 | ||
1874 | dbg_printf("load field ref offset %u type double\n", | |
1875 | ref->offset); | |
53569322 | 1876 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1877 | memcpy(&estack_ax(stack, top)->u.d, &filter_stack_data[ref->offset], |
97b58163 | 1878 | sizeof(struct literal_double)); |
53569322 | 1879 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 1880 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
1881 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1882 | PO; | |
1883 | } | |
1884 | ||
77aa5901 | 1885 | /* load from immediate operand */ |
97b58163 MD |
1886 | OP(FILTER_OP_LOAD_STRING): |
1887 | { | |
1888 | struct load_op *insn = (struct load_op *) pc; | |
1889 | ||
1890 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 1891 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1892 | estack_ax(stack, top)->u.s.str = insn->data; |
a63d0dc8 | 1893 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1894 | estack_ax(stack, top)->u.s.literal_type = |
1895 | ESTACK_STRING_LITERAL_TYPE_PLAIN; | |
53569322 | 1896 | estack_ax_t = REG_STRING; |
97b58163 MD |
1897 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
1898 | PO; | |
1899 | } | |
1900 | ||
3151a51d PP |
1901 | OP(FILTER_OP_LOAD_STAR_GLOB_STRING): |
1902 | { | |
1903 | struct load_op *insn = (struct load_op *) pc; | |
1904 | ||
1905 | dbg_printf("load globbing pattern %s\n", insn->data); | |
1906 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
1907 | estack_ax(stack, top)->u.s.str = insn->data; | |
a63d0dc8 | 1908 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1909 | estack_ax(stack, top)->u.s.literal_type = |
1910 | ESTACK_STRING_LITERAL_TYPE_STAR_GLOB; | |
1911 | estack_ax_t = REG_STAR_GLOB_STRING; | |
1912 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
1913 | PO; | |
1914 | } | |
1915 | ||
97b58163 MD |
1916 | OP(FILTER_OP_LOAD_S64): |
1917 | { | |
1918 | struct load_op *insn = (struct load_op *) pc; | |
1919 | ||
53569322 | 1920 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1921 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 1922 | estack_ax_t = REG_S64; |
9b33aac4 | 1923 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1924 | next_pc += sizeof(struct load_op) |
1925 | + sizeof(struct literal_numeric); | |
1926 | PO; | |
1927 | } | |
1928 | ||
1929 | OP(FILTER_OP_LOAD_DOUBLE): | |
1930 | { | |
1931 | struct load_op *insn = (struct load_op *) pc; | |
1932 | ||
53569322 | 1933 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1934 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 1935 | sizeof(struct literal_double)); |
53569322 MD |
1936 | estack_ax_t = REG_DOUBLE; |
1937 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
1938 | next_pc += sizeof(struct load_op) |
1939 | + sizeof(struct literal_double); | |
1940 | PO; | |
1941 | } | |
1942 | ||
1943 | /* cast */ | |
1944 | OP(FILTER_OP_CAST_TO_S64): | |
53569322 MD |
1945 | { |
1946 | /* Dynamic typing. */ | |
1947 | switch (estack_ax_t) { | |
1948 | case REG_S64: | |
1949 | JUMP_TO(FILTER_OP_CAST_NOP); | |
1950 | case REG_DOUBLE: | |
1951 | JUMP_TO(FILTER_OP_CAST_DOUBLE_TO_S64); | |
3151a51d PP |
1952 | case REG_STRING: /* Fall-through */ |
1953 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1954 | ret = -EINVAL; |
1955 | goto end; | |
1956 | default: | |
1957 | ERR("Unknown filter register type (%d)", | |
1958 | (int) estack_ax_t); | |
1959 | ret = -EINVAL; | |
1960 | goto end; | |
1961 | } | |
1962 | } | |
97b58163 MD |
1963 | |
1964 | OP(FILTER_OP_CAST_DOUBLE_TO_S64): | |
1965 | { | |
9b33aac4 | 1966 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 1967 | estack_ax_t = REG_S64; |
97b58163 MD |
1968 | next_pc += sizeof(struct cast_op); |
1969 | PO; | |
1970 | } | |
1971 | ||
1972 | OP(FILTER_OP_CAST_NOP): | |
1973 | { | |
1974 | next_pc += sizeof(struct cast_op); | |
1975 | PO; | |
1976 | } | |
1977 | ||
77aa5901 | 1978 | /* get context ref */ |
53569322 MD |
1979 | OP(FILTER_OP_GET_CONTEXT_REF): |
1980 | { | |
1981 | struct load_op *insn = (struct load_op *) pc; | |
1982 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1983 | struct lttng_ctx *ctx; | |
1984 | struct lttng_ctx_field *ctx_field; | |
1985 | struct lttng_ctx_value v; | |
1986 | ||
1987 | dbg_printf("get context ref offset %u type dynamic\n", | |
1988 | ref->offset); | |
1989 | ctx = rcu_dereference(session->ctx); | |
1990 | ctx_field = &ctx->fields[ref->offset]; | |
1991 | ctx_field->get_value(ctx_field, &v); | |
1992 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
1993 | switch (v.sel) { | |
1994 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
1995 | ret = -EINVAL; | |
1996 | goto end; | |
1997 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
1998 | estack_ax_v = v.u.s64; | |
1999 | estack_ax_t = REG_S64; | |
2000 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
2001 | break; | |
2002 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
2003 | estack_ax(stack, top)->u.d = v.u.d; | |
2004 | estack_ax_t = REG_DOUBLE; | |
2005 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
2006 | break; | |
2007 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
2008 | estack_ax(stack, top)->u.s.str = v.u.str; | |
2009 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2010 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2011 | ret = -EINVAL; | |
2012 | goto end; | |
2013 | } | |
a63d0dc8 | 2014 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2015 | estack_ax(stack, top)->u.s.literal_type = |
2016 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 MD |
2017 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); |
2018 | estack_ax_t = REG_STRING; | |
2019 | break; | |
2020 | default: | |
2021 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
2022 | ret = -EINVAL; | |
2023 | goto end; | |
2024 | } | |
2025 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2026 | PO; | |
2027 | } | |
2028 | ||
77aa5901 MD |
2029 | OP(FILTER_OP_GET_CONTEXT_REF_STRING): |
2030 | { | |
2031 | struct load_op *insn = (struct load_op *) pc; | |
2032 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 2033 | struct lttng_ctx *ctx; |
77aa5901 | 2034 | struct lttng_ctx_field *ctx_field; |
53569322 | 2035 | struct lttng_ctx_value v; |
77aa5901 MD |
2036 | |
2037 | dbg_printf("get context ref offset %u type string\n", | |
2038 | ref->offset); | |
53569322 MD |
2039 | ctx = rcu_dereference(session->ctx); |
2040 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 2041 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2042 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2043 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 MD |
2044 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
2045 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2046 | ret = -EINVAL; | |
2047 | goto end; | |
2048 | } | |
a63d0dc8 | 2049 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2050 | estack_ax(stack, top)->u.s.literal_type = |
2051 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2052 | estack_ax_t = REG_STRING; |
77aa5901 MD |
2053 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
2054 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2055 | PO; | |
2056 | } | |
2057 | ||
2058 | OP(FILTER_OP_GET_CONTEXT_REF_S64): | |
2059 | { | |
2060 | struct load_op *insn = (struct load_op *) pc; | |
2061 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 2062 | struct lttng_ctx *ctx; |
77aa5901 | 2063 | struct lttng_ctx_field *ctx_field; |
53569322 | 2064 | struct lttng_ctx_value v; |
77aa5901 MD |
2065 | |
2066 | dbg_printf("get context ref offset %u type s64\n", | |
2067 | ref->offset); | |
53569322 MD |
2068 | ctx = rcu_dereference(session->ctx); |
2069 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 2070 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2071 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2072 | estack_ax_v = v.u.s64; | |
2073 | estack_ax_t = REG_S64; | |
77aa5901 MD |
2074 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
2075 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2076 | PO; | |
2077 | } | |
2078 | ||
2079 | OP(FILTER_OP_GET_CONTEXT_REF_DOUBLE): | |
2080 | { | |
2081 | struct load_op *insn = (struct load_op *) pc; | |
2082 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 2083 | struct lttng_ctx *ctx; |
77aa5901 | 2084 | struct lttng_ctx_field *ctx_field; |
53569322 | 2085 | struct lttng_ctx_value v; |
77aa5901 MD |
2086 | |
2087 | dbg_printf("get context ref offset %u type double\n", | |
2088 | ref->offset); | |
53569322 MD |
2089 | ctx = rcu_dereference(session->ctx); |
2090 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 2091 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2092 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2093 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
2094 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
2095 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
2096 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2097 | PO; | |
2098 | } | |
2099 | ||
47e5f13e MD |
2100 | OP(FILTER_OP_GET_CONTEXT_ROOT): |
2101 | { | |
2102 | dbg_printf("op get context root\n"); | |
2103 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2104 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_CONTEXT; | |
2105 | /* "field" only needed for variants. */ | |
2106 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2107 | estack_ax_t = REG_PTR; | |
2108 | next_pc += sizeof(struct load_op); | |
2109 | PO; | |
2110 | } | |
2111 | ||
2112 | OP(FILTER_OP_GET_APP_CONTEXT_ROOT): | |
2113 | { | |
2114 | dbg_printf("op get app context root\n"); | |
2115 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2116 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_APP_CONTEXT; | |
2117 | /* "field" only needed for variants. */ | |
2118 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2119 | estack_ax_t = REG_PTR; | |
2120 | next_pc += sizeof(struct load_op); | |
2121 | PO; | |
2122 | } | |
2123 | ||
2124 | OP(FILTER_OP_GET_PAYLOAD_ROOT): | |
2125 | { | |
2126 | dbg_printf("op get app payload root\n"); | |
2127 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2128 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_PAYLOAD; | |
2129 | estack_ax(stack, top)->u.ptr.ptr = filter_stack_data; | |
2130 | /* "field" only needed for variants. */ | |
2131 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2132 | estack_ax_t = REG_PTR; | |
2133 | next_pc += sizeof(struct load_op); | |
2134 | PO; | |
2135 | } | |
2136 | ||
2137 | OP(FILTER_OP_GET_SYMBOL): | |
2138 | { | |
2139 | dbg_printf("op get symbol\n"); | |
2140 | switch (estack_ax(stack, top)->u.ptr.type) { | |
2141 | case LOAD_OBJECT: | |
2142 | ERR("Nested fields not implemented yet."); | |
2143 | ret = -EINVAL; | |
2144 | goto end; | |
2145 | case LOAD_ROOT_CONTEXT: | |
2146 | case LOAD_ROOT_APP_CONTEXT: | |
2147 | case LOAD_ROOT_PAYLOAD: | |
2148 | /* | |
2149 | * symbol lookup is performed by | |
2150 | * specialization. | |
2151 | */ | |
2152 | ret = -EINVAL; | |
2153 | goto end; | |
2154 | } | |
2155 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
2156 | PO; | |
2157 | } | |
2158 | ||
2159 | OP(FILTER_OP_GET_SYMBOL_FIELD): | |
2160 | { | |
2161 | /* | |
2162 | * Used for first variant encountered in a | |
2163 | * traversal. Variants are not implemented yet. | |
2164 | */ | |
2165 | ret = -EINVAL; | |
2166 | goto end; | |
2167 | } | |
2168 | ||
2169 | OP(FILTER_OP_GET_INDEX_U16): | |
2170 | { | |
2171 | struct load_op *insn = (struct load_op *) pc; | |
2172 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
2173 | ||
2174 | dbg_printf("op get index u16\n"); | |
2175 | ret = dynamic_get_index(session, bytecode, index->index, estack_ax(stack, top)); | |
2176 | if (ret) | |
2177 | goto end; | |
2178 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2179 | estack_ax_t = estack_ax(stack, top)->type; | |
2180 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
2181 | PO; | |
2182 | } | |
2183 | ||
2184 | OP(FILTER_OP_GET_INDEX_U64): | |
2185 | { | |
2186 | struct load_op *insn = (struct load_op *) pc; | |
2187 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
2188 | ||
2189 | dbg_printf("op get index u64\n"); | |
2190 | ret = dynamic_get_index(session, bytecode, index->index, estack_ax(stack, top)); | |
2191 | if (ret) | |
2192 | goto end; | |
2193 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2194 | estack_ax_t = estack_ax(stack, top)->type; | |
2195 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
2196 | PO; | |
2197 | } | |
2198 | ||
2199 | OP(FILTER_OP_LOAD_FIELD): | |
2200 | { | |
2201 | dbg_printf("op load field\n"); | |
2202 | ret = dynamic_load_field(estack_ax(stack, top)); | |
2203 | if (ret) | |
2204 | goto end; | |
2205 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2206 | estack_ax_t = estack_ax(stack, top)->type; | |
2207 | next_pc += sizeof(struct load_op); | |
2208 | PO; | |
2209 | } | |
2210 | ||
2211 | OP(FILTER_OP_LOAD_FIELD_S8): | |
2212 | { | |
2213 | dbg_printf("op load field s8\n"); | |
2214 | ||
2215 | estack_ax_v = *(int8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2216 | estack_ax_t = REG_S64; | |
2217 | next_pc += sizeof(struct load_op); | |
2218 | PO; | |
2219 | } | |
2220 | OP(FILTER_OP_LOAD_FIELD_S16): | |
2221 | { | |
2222 | dbg_printf("op load field s16\n"); | |
2223 | ||
2224 | estack_ax_v = *(int16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2225 | estack_ax_t = REG_S64; | |
2226 | next_pc += sizeof(struct load_op); | |
2227 | PO; | |
2228 | } | |
2229 | OP(FILTER_OP_LOAD_FIELD_S32): | |
2230 | { | |
2231 | dbg_printf("op load field s32\n"); | |
2232 | ||
2233 | estack_ax_v = *(int32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2234 | estack_ax_t = REG_S64; | |
2235 | next_pc += sizeof(struct load_op); | |
2236 | PO; | |
2237 | } | |
2238 | OP(FILTER_OP_LOAD_FIELD_S64): | |
2239 | { | |
2240 | dbg_printf("op load field s64\n"); | |
2241 | ||
2242 | estack_ax_v = *(int64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2243 | estack_ax_t = REG_S64; | |
2244 | next_pc += sizeof(struct load_op); | |
2245 | PO; | |
2246 | } | |
2247 | OP(FILTER_OP_LOAD_FIELD_U8): | |
2248 | { | |
2249 | dbg_printf("op load field u8\n"); | |
2250 | ||
2251 | estack_ax_v = *(uint8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2252 | estack_ax_t = REG_S64; | |
2253 | next_pc += sizeof(struct load_op); | |
2254 | PO; | |
2255 | } | |
2256 | OP(FILTER_OP_LOAD_FIELD_U16): | |
2257 | { | |
2258 | dbg_printf("op load field u16\n"); | |
2259 | ||
2260 | estack_ax_v = *(uint16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2261 | estack_ax_t = REG_S64; | |
2262 | next_pc += sizeof(struct load_op); | |
2263 | PO; | |
2264 | } | |
2265 | OP(FILTER_OP_LOAD_FIELD_U32): | |
2266 | { | |
2267 | dbg_printf("op load field u32\n"); | |
2268 | ||
2269 | estack_ax_v = *(uint32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2270 | estack_ax_t = REG_S64; | |
2271 | next_pc += sizeof(struct load_op); | |
2272 | PO; | |
2273 | } | |
2274 | OP(FILTER_OP_LOAD_FIELD_U64): | |
2275 | { | |
2276 | dbg_printf("op load field u64\n"); | |
2277 | ||
2278 | estack_ax_v = *(uint64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2279 | estack_ax_t = REG_S64; | |
2280 | next_pc += sizeof(struct load_op); | |
2281 | PO; | |
2282 | } | |
2283 | OP(FILTER_OP_LOAD_FIELD_DOUBLE): | |
2284 | { | |
2285 | dbg_printf("op load field double\n"); | |
2286 | ||
2287 | memcpy(&estack_ax(stack, top)->u.d, | |
2288 | estack_ax(stack, top)->u.ptr.ptr, | |
2289 | sizeof(struct literal_double)); | |
2290 | estack_ax(stack, top)->type = REG_DOUBLE; | |
2291 | next_pc += sizeof(struct load_op); | |
2292 | PO; | |
2293 | } | |
2294 | ||
2295 | OP(FILTER_OP_LOAD_FIELD_STRING): | |
2296 | { | |
2297 | const char *str; | |
2298 | ||
2299 | dbg_printf("op load field string\n"); | |
2300 | str = (const char *) estack_ax(stack, top)->u.ptr.ptr; | |
2301 | estack_ax(stack, top)->u.s.str = str; | |
2302 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2303 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2304 | ret = -EINVAL; | |
2305 | goto end; | |
2306 | } | |
2307 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; | |
2308 | estack_ax(stack, top)->u.s.literal_type = | |
2309 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2310 | estack_ax(stack, top)->type = REG_STRING; | |
2311 | next_pc += sizeof(struct load_op); | |
2312 | PO; | |
2313 | } | |
2314 | ||
2315 | OP(FILTER_OP_LOAD_FIELD_SEQUENCE): | |
2316 | { | |
2317 | const char *ptr; | |
2318 | ||
2319 | dbg_printf("op load field string sequence\n"); | |
2320 | ptr = estack_ax(stack, top)->u.ptr.ptr; | |
2321 | estack_ax(stack, top)->u.s.seq_len = *(unsigned long *) ptr; | |
2322 | estack_ax(stack, top)->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
2323 | estack_ax(stack, top)->type = REG_STRING; | |
2324 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2325 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
2326 | ret = -EINVAL; | |
2327 | goto end; | |
2328 | } | |
2329 | estack_ax(stack, top)->u.s.literal_type = | |
2330 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2331 | next_pc += sizeof(struct load_op); | |
2332 | PO; | |
2333 | } | |
2334 | ||
97b58163 MD |
2335 | END_OP |
2336 | end: | |
2337 | /* return 0 (discard) on error */ | |
2338 | if (ret) | |
2339 | return 0; | |
2340 | return retval; | |
2341 | } | |
2342 | ||
2343 | #undef START_OP | |
2344 | #undef OP | |
2345 | #undef PO | |
2346 | #undef END_OP |