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 |
b4051ad8 | 28 | #include <stddef.h> |
a63d0dc8 | 29 | #include <stdint.h> |
b4051ad8 | 30 | #include <urcu-pointer.h> |
47e5f13e | 31 | #include <byteswap.h> |
97b58163 | 32 | #include "lttng-filter.h" |
3151a51d | 33 | #include "string-utils.h" |
97b58163 MD |
34 | |
35 | /* | |
36 | * -1: wildcard found. | |
37 | * -2: unknown escape char. | |
38 | * 0: normal char. | |
39 | */ | |
40 | ||
41 | static | |
42 | int parse_char(const char **p) | |
43 | { | |
44 | switch (**p) { | |
45 | case '\\': | |
46 | (*p)++; | |
47 | switch (**p) { | |
48 | case '\\': | |
49 | case '*': | |
50 | return 0; | |
51 | default: | |
52 | return -2; | |
53 | } | |
54 | case '*': | |
55 | return -1; | |
56 | default: | |
57 | return 0; | |
58 | } | |
59 | } | |
60 | ||
3151a51d | 61 | /* |
a63d0dc8 | 62 | * Returns SIZE_MAX if the string is null-terminated, or the number of |
3151a51d PP |
63 | * characters if not. |
64 | */ | |
65 | static | |
66 | size_t get_str_or_seq_len(const struct estack_entry *entry) | |
67 | { | |
a63d0dc8 | 68 | return entry->u.s.seq_len; |
3151a51d PP |
69 | } |
70 | ||
71 | static | |
72 | int stack_star_glob_match(struct estack *stack, int top, const char *cmp_type) | |
73 | { | |
74 | const char *pattern; | |
75 | const char *candidate; | |
76 | size_t pattern_len; | |
77 | size_t candidate_len; | |
78 | ||
79 | /* Find out which side is the pattern vs. the candidate. */ | |
80 | if (estack_ax(stack, top)->u.s.literal_type == ESTACK_STRING_LITERAL_TYPE_STAR_GLOB) { | |
81 | pattern = estack_ax(stack, top)->u.s.str; | |
82 | pattern_len = get_str_or_seq_len(estack_ax(stack, top)); | |
83 | candidate = estack_bx(stack, top)->u.s.str; | |
84 | candidate_len = get_str_or_seq_len(estack_bx(stack, top)); | |
85 | } else { | |
86 | pattern = estack_bx(stack, top)->u.s.str; | |
87 | pattern_len = get_str_or_seq_len(estack_bx(stack, top)); | |
88 | candidate = estack_ax(stack, top)->u.s.str; | |
89 | candidate_len = get_str_or_seq_len(estack_ax(stack, top)); | |
90 | } | |
91 | ||
92 | /* Perform the match. Returns 0 when the result is true. */ | |
93 | return !strutils_star_glob_match(pattern, pattern_len, candidate, | |
94 | candidate_len); | |
95 | } | |
96 | ||
97b58163 | 97 | static |
9b33aac4 | 98 | int stack_strcmp(struct estack *stack, int top, const char *cmp_type) |
97b58163 | 99 | { |
9b33aac4 | 100 | const char *p = estack_bx(stack, top)->u.s.str, *q = estack_ax(stack, top)->u.s.str; |
97b58163 MD |
101 | int ret; |
102 | int diff; | |
103 | ||
104 | for (;;) { | |
105 | int escaped_r0 = 0; | |
106 | ||
332335cd MD |
107 | if (unlikely(p - estack_bx(stack, top)->u.s.str >= estack_bx(stack, top)->u.s.seq_len || *p == '\0')) { |
108 | if (q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0') { | |
5cf8141d | 109 | return 0; |
a0928c1e | 110 | } else { |
3151a51d PP |
111 | if (estack_ax(stack, top)->u.s.literal_type == |
112 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
5cf8141d MD |
113 | ret = parse_char(&q); |
114 | if (ret == -1) | |
115 | return 0; | |
116 | } | |
117 | return -1; | |
a0928c1e | 118 | } |
97b58163 | 119 | } |
332335cd | 120 | if (unlikely(q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0')) { |
3151a51d PP |
121 | if (estack_bx(stack, top)->u.s.literal_type == |
122 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
3e6a0694 MD |
123 | ret = parse_char(&p); |
124 | if (ret == -1) | |
125 | return 0; | |
a0928c1e | 126 | } |
3e6a0694 | 127 | return 1; |
97b58163 | 128 | } |
3151a51d PP |
129 | if (estack_bx(stack, top)->u.s.literal_type == |
130 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
97b58163 MD |
131 | ret = parse_char(&p); |
132 | if (ret == -1) { | |
133 | return 0; | |
134 | } else if (ret == -2) { | |
135 | escaped_r0 = 1; | |
136 | } | |
137 | /* else compare both char */ | |
138 | } | |
3151a51d PP |
139 | if (estack_ax(stack, top)->u.s.literal_type == |
140 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
97b58163 MD |
141 | ret = parse_char(&q); |
142 | if (ret == -1) { | |
143 | return 0; | |
144 | } else if (ret == -2) { | |
145 | if (!escaped_r0) | |
146 | return -1; | |
147 | } else { | |
148 | if (escaped_r0) | |
149 | return 1; | |
150 | } | |
151 | } else { | |
152 | if (escaped_r0) | |
153 | return 1; | |
154 | } | |
155 | diff = *p - *q; | |
156 | if (diff != 0) | |
157 | break; | |
158 | p++; | |
159 | q++; | |
160 | } | |
161 | return diff; | |
162 | } | |
163 | ||
8a92ed2a | 164 | uint64_t lttng_filter_false(void *filter_data, |
97b58163 MD |
165 | const char *filter_stack_data) |
166 | { | |
167 | return 0; | |
168 | } | |
169 | ||
170 | #ifdef INTERPRETER_USE_SWITCH | |
171 | ||
172 | /* | |
173 | * Fallback for compilers that do not support taking address of labels. | |
174 | */ | |
175 | ||
176 | #define START_OP \ | |
177 | start_pc = &bytecode->data[0]; \ | |
178 | for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; \ | |
179 | pc = next_pc) { \ | |
180 | dbg_printf("Executing op %s (%u)\n", \ | |
181 | print_op((unsigned int) *(filter_opcode_t *) pc), \ | |
182 | (unsigned int) *(filter_opcode_t *) pc); \ | |
183 | switch (*(filter_opcode_t *) pc) { | |
184 | ||
53569322 MD |
185 | #define OP(name) jump_target_##name: __attribute__((unused)); \ |
186 | case name | |
97b58163 MD |
187 | |
188 | #define PO break | |
189 | ||
190 | #define END_OP } \ | |
191 | } | |
192 | ||
53569322 MD |
193 | #define JUMP_TO(name) \ |
194 | goto jump_target_##name | |
195 | ||
97b58163 MD |
196 | #else |
197 | ||
198 | /* | |
199 | * Dispatch-table based interpreter. | |
200 | */ | |
201 | ||
202 | #define START_OP \ | |
47e5f13e | 203 | start_pc = &bytecode->code[0]; \ |
97b58163 MD |
204 | pc = next_pc = start_pc; \ |
205 | if (unlikely(pc - start_pc >= bytecode->len)) \ | |
206 | goto end; \ | |
207 | goto *dispatch[*(filter_opcode_t *) pc]; | |
208 | ||
209 | #define OP(name) \ | |
210 | LABEL_##name | |
211 | ||
212 | #define PO \ | |
213 | pc = next_pc; \ | |
214 | goto *dispatch[*(filter_opcode_t *) pc]; | |
215 | ||
216 | #define END_OP | |
217 | ||
53569322 MD |
218 | #define JUMP_TO(name) \ |
219 | goto LABEL_##name | |
220 | ||
97b58163 MD |
221 | #endif |
222 | ||
47e5f13e MD |
223 | static int context_get_index(struct lttng_ctx *ctx, |
224 | struct load_ptr *ptr, | |
225 | uint32_t idx) | |
226 | { | |
227 | ||
228 | struct lttng_ctx_field *ctx_field; | |
229 | struct lttng_event_field *field; | |
230 | struct lttng_ctx_value v; | |
231 | ||
232 | ctx_field = &ctx->fields[idx]; | |
233 | field = &ctx_field->event_field; | |
234 | ptr->type = LOAD_OBJECT; | |
235 | /* field is only used for types nested within variants. */ | |
236 | ptr->field = NULL; | |
237 | ||
238 | switch (field->type.atype) { | |
239 | case atype_integer: | |
240 | ctx_field->get_value(ctx_field, &v); | |
241 | if (field->type.u.basic.integer.signedness) { | |
242 | ptr->object_type = OBJECT_TYPE_S64; | |
243 | ptr->u.s64 = v.u.s64; | |
244 | ptr->ptr = &ptr->u.s64; | |
245 | } else { | |
246 | ptr->object_type = OBJECT_TYPE_U64; | |
247 | ptr->u.u64 = v.u.s64; /* Cast. */ | |
248 | ptr->ptr = &ptr->u.u64; | |
249 | } | |
250 | break; | |
251 | case atype_enum: | |
252 | { | |
253 | const struct lttng_integer_type *itype = | |
254 | &field->type.u.basic.enumeration.container_type; | |
255 | ||
256 | ctx_field->get_value(ctx_field, &v); | |
257 | if (itype->signedness) { | |
258 | ptr->object_type = OBJECT_TYPE_S64; | |
259 | ptr->u.s64 = v.u.s64; | |
260 | ptr->ptr = &ptr->u.s64; | |
261 | } else { | |
262 | ptr->object_type = OBJECT_TYPE_U64; | |
263 | ptr->u.u64 = v.u.s64; /* Cast. */ | |
264 | ptr->ptr = &ptr->u.u64; | |
265 | } | |
266 | break; | |
267 | } | |
268 | case atype_array: | |
269 | if (field->type.u.array.elem_type.atype != atype_integer) { | |
270 | ERR("Array nesting only supports integer types."); | |
271 | return -EINVAL; | |
272 | } | |
273 | if (field->type.u.array.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
274 | ERR("Only string arrays are supported for contexts."); | |
275 | return -EINVAL; | |
276 | } | |
277 | ptr->object_type = OBJECT_TYPE_STRING; | |
278 | ctx_field->get_value(ctx_field, &v); | |
279 | ptr->ptr = v.u.str; | |
280 | break; | |
281 | case atype_sequence: | |
282 | if (field->type.u.sequence.elem_type.atype != atype_integer) { | |
283 | ERR("Sequence nesting only supports integer types."); | |
284 | return -EINVAL; | |
285 | } | |
286 | if (field->type.u.sequence.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
287 | ERR("Only string sequences are supported for contexts."); | |
288 | return -EINVAL; | |
289 | } | |
290 | ptr->object_type = OBJECT_TYPE_STRING; | |
291 | ctx_field->get_value(ctx_field, &v); | |
292 | ptr->ptr = v.u.str; | |
293 | break; | |
294 | case atype_string: | |
295 | ptr->object_type = OBJECT_TYPE_STRING; | |
296 | ctx_field->get_value(ctx_field, &v); | |
297 | ptr->ptr = v.u.str; | |
298 | break; | |
299 | case atype_float: | |
300 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
301 | ptr->u.d = v.u.d; | |
302 | ptr->ptr = &ptr->u.d; | |
303 | break; | |
304 | case atype_dynamic: | |
305 | ctx_field->get_value(ctx_field, &v); | |
306 | switch (v.sel) { | |
307 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
308 | return -EINVAL; | |
309 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
310 | ptr->object_type = OBJECT_TYPE_S64; | |
311 | ptr->u.s64 = v.u.s64; | |
312 | ptr->ptr = &ptr->u.s64; | |
313 | dbg_printf("context get index dynamic s64 %" PRIi64 "\n", ptr->u.s64); | |
314 | break; | |
315 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
316 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
317 | ptr->u.d = v.u.d; | |
318 | ptr->ptr = &ptr->u.d; | |
319 | dbg_printf("context get index dynamic double %g\n", ptr->u.d); | |
320 | break; | |
321 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
322 | ptr->object_type = OBJECT_TYPE_STRING; | |
323 | ptr->ptr = v.u.str; | |
324 | dbg_printf("context get index dynamic string %s\n", (const char *) ptr->ptr); | |
325 | break; | |
326 | default: | |
327 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
328 | return -EINVAL; | |
329 | } | |
330 | break; | |
331 | case atype_struct: | |
332 | ERR("Structure type cannot be loaded."); | |
333 | return -EINVAL; | |
334 | default: | |
335 | ERR("Unknown type: %d", (int) field->type.atype); | |
336 | return -EINVAL; | |
337 | } | |
338 | return 0; | |
339 | } | |
340 | ||
d5fc3224 | 341 | static int dynamic_get_index(struct lttng_ctx *ctx, |
47e5f13e MD |
342 | struct bytecode_runtime *runtime, |
343 | uint64_t index, struct estack_entry *stack_top) | |
344 | { | |
345 | int ret; | |
346 | const struct filter_get_index_data *gid; | |
347 | ||
348 | /* | |
349 | * Types nested within variants need to perform dynamic lookup | |
350 | * based on the field descriptions. LTTng-UST does not implement | |
351 | * variants for now. | |
352 | */ | |
353 | if (stack_top->u.ptr.field) | |
354 | return -EINVAL; | |
355 | gid = (const struct filter_get_index_data *) &runtime->data[index]; | |
356 | switch (stack_top->u.ptr.type) { | |
357 | case LOAD_OBJECT: | |
358 | switch (stack_top->u.ptr.object_type) { | |
359 | case OBJECT_TYPE_ARRAY: | |
360 | { | |
361 | const char *ptr; | |
362 | ||
363 | assert(gid->offset < gid->array_len); | |
364 | /* Skip count (unsigned long) */ | |
365 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
366 | ptr = ptr + gid->offset; | |
367 | stack_top->u.ptr.ptr = ptr; | |
368 | stack_top->u.ptr.object_type = gid->elem.type; | |
369 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
370 | /* field is only used for types nested within variants. */ | |
371 | stack_top->u.ptr.field = NULL; | |
372 | break; | |
373 | } | |
374 | case OBJECT_TYPE_SEQUENCE: | |
375 | { | |
376 | const char *ptr; | |
377 | size_t ptr_seq_len; | |
378 | ||
379 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
380 | ptr_seq_len = *(unsigned long *) stack_top->u.ptr.ptr; | |
381 | if (gid->offset >= gid->elem.len * ptr_seq_len) { | |
382 | ret = -EINVAL; | |
383 | goto end; | |
384 | } | |
385 | ptr = ptr + gid->offset; | |
386 | stack_top->u.ptr.ptr = ptr; | |
387 | stack_top->u.ptr.object_type = gid->elem.type; | |
388 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
389 | /* field is only used for types nested within variants. */ | |
390 | stack_top->u.ptr.field = NULL; | |
391 | break; | |
392 | } | |
393 | case OBJECT_TYPE_STRUCT: | |
394 | ERR("Nested structures are not supported yet."); | |
395 | ret = -EINVAL; | |
396 | goto end; | |
397 | case OBJECT_TYPE_VARIANT: | |
398 | default: | |
399 | ERR("Unexpected get index type %d", | |
400 | (int) stack_top->u.ptr.object_type); | |
401 | ret = -EINVAL; | |
402 | goto end; | |
403 | } | |
404 | break; | |
405 | case LOAD_ROOT_CONTEXT: | |
406 | case LOAD_ROOT_APP_CONTEXT: /* Fall-through */ | |
407 | { | |
47e5f13e MD |
408 | ret = context_get_index(ctx, |
409 | &stack_top->u.ptr, | |
410 | gid->ctx_index); | |
411 | if (ret) { | |
412 | goto end; | |
413 | } | |
414 | break; | |
415 | } | |
416 | case LOAD_ROOT_PAYLOAD: | |
417 | stack_top->u.ptr.ptr += gid->offset; | |
418 | if (gid->elem.type == OBJECT_TYPE_STRING) | |
419 | stack_top->u.ptr.ptr = *(const char * const *) stack_top->u.ptr.ptr; | |
420 | stack_top->u.ptr.object_type = gid->elem.type; | |
421 | stack_top->u.ptr.type = LOAD_OBJECT; | |
422 | /* field is only used for types nested within variants. */ | |
423 | stack_top->u.ptr.field = NULL; | |
424 | break; | |
425 | } | |
426 | return 0; | |
427 | ||
428 | end: | |
429 | return ret; | |
430 | } | |
431 | ||
432 | static int dynamic_load_field(struct estack_entry *stack_top) | |
433 | { | |
434 | int ret; | |
435 | ||
436 | switch (stack_top->u.ptr.type) { | |
437 | case LOAD_OBJECT: | |
438 | break; | |
439 | case LOAD_ROOT_CONTEXT: | |
440 | case LOAD_ROOT_APP_CONTEXT: | |
441 | case LOAD_ROOT_PAYLOAD: | |
442 | default: | |
443 | dbg_printf("Filter warning: cannot load root, missing field name.\n"); | |
444 | ret = -EINVAL; | |
445 | goto end; | |
446 | } | |
447 | switch (stack_top->u.ptr.object_type) { | |
448 | case OBJECT_TYPE_S8: | |
449 | dbg_printf("op load field s8\n"); | |
450 | stack_top->u.v = *(int8_t *) stack_top->u.ptr.ptr; | |
451 | stack_top->type = REG_S64; | |
452 | break; | |
453 | case OBJECT_TYPE_S16: | |
454 | { | |
455 | int16_t tmp; | |
456 | ||
457 | dbg_printf("op load field s16\n"); | |
458 | tmp = *(int16_t *) stack_top->u.ptr.ptr; | |
459 | if (stack_top->u.ptr.rev_bo) | |
460 | tmp = bswap_16(tmp); | |
461 | stack_top->u.v = tmp; | |
462 | stack_top->type = REG_S64; | |
463 | break; | |
464 | } | |
465 | case OBJECT_TYPE_S32: | |
466 | { | |
467 | int32_t tmp; | |
468 | ||
469 | dbg_printf("op load field s32\n"); | |
470 | tmp = *(int32_t *) stack_top->u.ptr.ptr; | |
471 | if (stack_top->u.ptr.rev_bo) | |
472 | tmp = bswap_32(tmp); | |
473 | stack_top->u.v = tmp; | |
474 | stack_top->type = REG_S64; | |
475 | break; | |
476 | } | |
477 | case OBJECT_TYPE_S64: | |
478 | { | |
479 | int64_t tmp; | |
480 | ||
481 | dbg_printf("op load field s64\n"); | |
482 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
483 | if (stack_top->u.ptr.rev_bo) | |
484 | tmp = bswap_64(tmp); | |
485 | stack_top->u.v = tmp; | |
486 | stack_top->type = REG_S64; | |
487 | break; | |
488 | } | |
489 | case OBJECT_TYPE_U8: | |
490 | dbg_printf("op load field u8\n"); | |
491 | stack_top->u.v = *(uint8_t *) stack_top->u.ptr.ptr; | |
492 | stack_top->type = REG_S64; | |
493 | break; | |
494 | case OBJECT_TYPE_U16: | |
495 | { | |
496 | uint16_t tmp; | |
497 | ||
498 | dbg_printf("op load field s16\n"); | |
499 | tmp = *(uint16_t *) stack_top->u.ptr.ptr; | |
500 | if (stack_top->u.ptr.rev_bo) | |
501 | tmp = bswap_16(tmp); | |
502 | stack_top->u.v = tmp; | |
503 | stack_top->type = REG_S64; | |
504 | break; | |
505 | } | |
506 | case OBJECT_TYPE_U32: | |
507 | { | |
508 | uint32_t tmp; | |
509 | ||
510 | dbg_printf("op load field u32\n"); | |
511 | tmp = *(uint32_t *) stack_top->u.ptr.ptr; | |
512 | if (stack_top->u.ptr.rev_bo) | |
513 | tmp = bswap_32(tmp); | |
514 | stack_top->u.v = tmp; | |
515 | stack_top->type = REG_S64; | |
516 | break; | |
517 | } | |
518 | case OBJECT_TYPE_U64: | |
519 | { | |
520 | uint64_t tmp; | |
521 | ||
522 | dbg_printf("op load field u64\n"); | |
523 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
524 | if (stack_top->u.ptr.rev_bo) | |
525 | tmp = bswap_64(tmp); | |
526 | stack_top->u.v = tmp; | |
527 | stack_top->type = REG_S64; | |
528 | break; | |
529 | } | |
530 | case OBJECT_TYPE_DOUBLE: | |
531 | memcpy(&stack_top->u.d, | |
532 | stack_top->u.ptr.ptr, | |
533 | sizeof(struct literal_double)); | |
534 | stack_top->type = REG_DOUBLE; | |
535 | break; | |
536 | case OBJECT_TYPE_STRING: | |
537 | { | |
538 | const char *str; | |
539 | ||
540 | dbg_printf("op load field string\n"); | |
541 | str = (const char *) stack_top->u.ptr.ptr; | |
542 | stack_top->u.s.str = str; | |
543 | if (unlikely(!stack_top->u.s.str)) { | |
544 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
545 | ret = -EINVAL; | |
546 | goto end; | |
547 | } | |
548 | stack_top->u.s.seq_len = SIZE_MAX; | |
549 | stack_top->u.s.literal_type = | |
550 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
551 | stack_top->type = REG_STRING; | |
552 | break; | |
553 | } | |
554 | case OBJECT_TYPE_STRING_SEQUENCE: | |
555 | { | |
556 | const char *ptr; | |
557 | ||
558 | dbg_printf("op load field string sequence\n"); | |
559 | ptr = stack_top->u.ptr.ptr; | |
560 | stack_top->u.s.seq_len = *(unsigned long *) ptr; | |
561 | stack_top->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
562 | stack_top->type = REG_STRING; | |
563 | if (unlikely(!stack_top->u.s.str)) { | |
564 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
565 | ret = -EINVAL; | |
566 | goto end; | |
567 | } | |
568 | stack_top->u.s.literal_type = | |
569 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
570 | break; | |
571 | } | |
572 | case OBJECT_TYPE_DYNAMIC: | |
573 | /* | |
574 | * Dynamic types in context are looked up | |
575 | * by context get index. | |
576 | */ | |
577 | ret = -EINVAL; | |
578 | goto end; | |
579 | case OBJECT_TYPE_SEQUENCE: | |
580 | case OBJECT_TYPE_ARRAY: | |
581 | case OBJECT_TYPE_STRUCT: | |
582 | case OBJECT_TYPE_VARIANT: | |
583 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
584 | ret = -EINVAL; | |
585 | goto end; | |
586 | } | |
587 | return 0; | |
588 | ||
589 | end: | |
590 | return ret; | |
591 | } | |
592 | ||
8a92ed2a MD |
593 | /* |
594 | * Return 0 (discard), or raise the 0x1 flag (log event). | |
595 | * Currently, other flags are kept for future extensions and have no | |
596 | * effect. | |
597 | */ | |
598 | uint64_t lttng_filter_interpret_bytecode(void *filter_data, | |
97b58163 MD |
599 | const char *filter_stack_data) |
600 | { | |
601 | struct bytecode_runtime *bytecode = filter_data; | |
d5fc3224 | 602 | struct lttng_ctx *ctx = rcu_dereference(*bytecode->p.ctx); |
97b58163 MD |
603 | void *pc, *next_pc, *start_pc; |
604 | int ret = -EINVAL; | |
8b82df15 | 605 | uint64_t retval = 0; |
0305960f MD |
606 | struct estack _stack; |
607 | struct estack *stack = &_stack; | |
9b33aac4 | 608 | register int64_t ax = 0, bx = 0; |
53569322 | 609 | register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; |
9b33aac4 | 610 | register int top = FILTER_STACK_EMPTY; |
97b58163 MD |
611 | #ifndef INTERPRETER_USE_SWITCH |
612 | static void *dispatch[NR_FILTER_OPS] = { | |
613 | [ FILTER_OP_UNKNOWN ] = &&LABEL_FILTER_OP_UNKNOWN, | |
614 | ||
615 | [ FILTER_OP_RETURN ] = &&LABEL_FILTER_OP_RETURN, | |
616 | ||
617 | /* binary */ | |
618 | [ FILTER_OP_MUL ] = &&LABEL_FILTER_OP_MUL, | |
619 | [ FILTER_OP_DIV ] = &&LABEL_FILTER_OP_DIV, | |
620 | [ FILTER_OP_MOD ] = &&LABEL_FILTER_OP_MOD, | |
621 | [ FILTER_OP_PLUS ] = &&LABEL_FILTER_OP_PLUS, | |
622 | [ FILTER_OP_MINUS ] = &&LABEL_FILTER_OP_MINUS, | |
0039e2d8 MD |
623 | [ FILTER_OP_BIT_RSHIFT ] = &&LABEL_FILTER_OP_BIT_RSHIFT, |
624 | [ FILTER_OP_BIT_LSHIFT ] = &&LABEL_FILTER_OP_BIT_LSHIFT, | |
47e5f13e MD |
625 | [ FILTER_OP_BIT_AND ] = &&LABEL_FILTER_OP_BIT_AND, |
626 | [ FILTER_OP_BIT_OR ] = &&LABEL_FILTER_OP_BIT_OR, | |
627 | [ FILTER_OP_BIT_XOR ] = &&LABEL_FILTER_OP_BIT_XOR, | |
97b58163 MD |
628 | |
629 | /* binary comparators */ | |
630 | [ FILTER_OP_EQ ] = &&LABEL_FILTER_OP_EQ, | |
631 | [ FILTER_OP_NE ] = &&LABEL_FILTER_OP_NE, | |
632 | [ FILTER_OP_GT ] = &&LABEL_FILTER_OP_GT, | |
633 | [ FILTER_OP_LT ] = &&LABEL_FILTER_OP_LT, | |
634 | [ FILTER_OP_GE ] = &&LABEL_FILTER_OP_GE, | |
635 | [ FILTER_OP_LE ] = &&LABEL_FILTER_OP_LE, | |
636 | ||
637 | /* string binary comparator */ | |
638 | [ FILTER_OP_EQ_STRING ] = &&LABEL_FILTER_OP_EQ_STRING, | |
639 | [ FILTER_OP_NE_STRING ] = &&LABEL_FILTER_OP_NE_STRING, | |
640 | [ FILTER_OP_GT_STRING ] = &&LABEL_FILTER_OP_GT_STRING, | |
641 | [ FILTER_OP_LT_STRING ] = &&LABEL_FILTER_OP_LT_STRING, | |
642 | [ FILTER_OP_GE_STRING ] = &&LABEL_FILTER_OP_GE_STRING, | |
643 | [ FILTER_OP_LE_STRING ] = &&LABEL_FILTER_OP_LE_STRING, | |
644 | ||
3151a51d PP |
645 | /* globbing pattern binary comparator */ |
646 | [ FILTER_OP_EQ_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_EQ_STAR_GLOB_STRING, | |
647 | [ FILTER_OP_NE_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_NE_STAR_GLOB_STRING, | |
648 | ||
97b58163 MD |
649 | /* s64 binary comparator */ |
650 | [ FILTER_OP_EQ_S64 ] = &&LABEL_FILTER_OP_EQ_S64, | |
651 | [ FILTER_OP_NE_S64 ] = &&LABEL_FILTER_OP_NE_S64, | |
652 | [ FILTER_OP_GT_S64 ] = &&LABEL_FILTER_OP_GT_S64, | |
653 | [ FILTER_OP_LT_S64 ] = &&LABEL_FILTER_OP_LT_S64, | |
654 | [ FILTER_OP_GE_S64 ] = &&LABEL_FILTER_OP_GE_S64, | |
655 | [ FILTER_OP_LE_S64 ] = &&LABEL_FILTER_OP_LE_S64, | |
656 | ||
657 | /* double binary comparator */ | |
658 | [ FILTER_OP_EQ_DOUBLE ] = &&LABEL_FILTER_OP_EQ_DOUBLE, | |
659 | [ FILTER_OP_NE_DOUBLE ] = &&LABEL_FILTER_OP_NE_DOUBLE, | |
660 | [ FILTER_OP_GT_DOUBLE ] = &&LABEL_FILTER_OP_GT_DOUBLE, | |
661 | [ FILTER_OP_LT_DOUBLE ] = &&LABEL_FILTER_OP_LT_DOUBLE, | |
662 | [ FILTER_OP_GE_DOUBLE ] = &&LABEL_FILTER_OP_GE_DOUBLE, | |
663 | [ FILTER_OP_LE_DOUBLE ] = &&LABEL_FILTER_OP_LE_DOUBLE, | |
664 | ||
dbea82ec MD |
665 | /* Mixed S64-double binary comparators */ |
666 | [ FILTER_OP_EQ_DOUBLE_S64 ] = &&LABEL_FILTER_OP_EQ_DOUBLE_S64, | |
667 | [ FILTER_OP_NE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_NE_DOUBLE_S64, | |
668 | [ FILTER_OP_GT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GT_DOUBLE_S64, | |
669 | [ FILTER_OP_LT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LT_DOUBLE_S64, | |
670 | [ FILTER_OP_GE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GE_DOUBLE_S64, | |
671 | [ FILTER_OP_LE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LE_DOUBLE_S64, | |
672 | ||
673 | [ FILTER_OP_EQ_S64_DOUBLE ] = &&LABEL_FILTER_OP_EQ_S64_DOUBLE, | |
674 | [ FILTER_OP_NE_S64_DOUBLE ] = &&LABEL_FILTER_OP_NE_S64_DOUBLE, | |
675 | [ FILTER_OP_GT_S64_DOUBLE ] = &&LABEL_FILTER_OP_GT_S64_DOUBLE, | |
676 | [ FILTER_OP_LT_S64_DOUBLE ] = &&LABEL_FILTER_OP_LT_S64_DOUBLE, | |
677 | [ FILTER_OP_GE_S64_DOUBLE ] = &&LABEL_FILTER_OP_GE_S64_DOUBLE, | |
678 | [ FILTER_OP_LE_S64_DOUBLE ] = &&LABEL_FILTER_OP_LE_S64_DOUBLE, | |
679 | ||
97b58163 MD |
680 | /* unary */ |
681 | [ FILTER_OP_UNARY_PLUS ] = &&LABEL_FILTER_OP_UNARY_PLUS, | |
682 | [ FILTER_OP_UNARY_MINUS ] = &&LABEL_FILTER_OP_UNARY_MINUS, | |
683 | [ FILTER_OP_UNARY_NOT ] = &&LABEL_FILTER_OP_UNARY_NOT, | |
684 | [ FILTER_OP_UNARY_PLUS_S64 ] = &&LABEL_FILTER_OP_UNARY_PLUS_S64, | |
685 | [ FILTER_OP_UNARY_MINUS_S64 ] = &&LABEL_FILTER_OP_UNARY_MINUS_S64, | |
686 | [ FILTER_OP_UNARY_NOT_S64 ] = &&LABEL_FILTER_OP_UNARY_NOT_S64, | |
687 | [ FILTER_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_PLUS_DOUBLE, | |
688 | [ FILTER_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_MINUS_DOUBLE, | |
689 | [ FILTER_OP_UNARY_NOT_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_NOT_DOUBLE, | |
690 | ||
691 | /* logical */ | |
692 | [ FILTER_OP_AND ] = &&LABEL_FILTER_OP_AND, | |
693 | [ FILTER_OP_OR ] = &&LABEL_FILTER_OP_OR, | |
694 | ||
77aa5901 | 695 | /* load field ref */ |
97b58163 MD |
696 | [ FILTER_OP_LOAD_FIELD_REF ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF, |
697 | [ FILTER_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_STRING, | |
698 | [ FILTER_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_SEQUENCE, | |
699 | [ FILTER_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_S64, | |
700 | [ FILTER_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_DOUBLE, | |
701 | ||
77aa5901 | 702 | /* load from immediate operand */ |
97b58163 | 703 | [ FILTER_OP_LOAD_STRING ] = &&LABEL_FILTER_OP_LOAD_STRING, |
3151a51d | 704 | [ FILTER_OP_LOAD_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_LOAD_STAR_GLOB_STRING, |
97b58163 MD |
705 | [ FILTER_OP_LOAD_S64 ] = &&LABEL_FILTER_OP_LOAD_S64, |
706 | [ FILTER_OP_LOAD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_DOUBLE, | |
707 | ||
708 | /* cast */ | |
709 | [ FILTER_OP_CAST_TO_S64 ] = &&LABEL_FILTER_OP_CAST_TO_S64, | |
710 | [ FILTER_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_FILTER_OP_CAST_DOUBLE_TO_S64, | |
711 | [ FILTER_OP_CAST_NOP ] = &&LABEL_FILTER_OP_CAST_NOP, | |
77aa5901 MD |
712 | |
713 | /* get context ref */ | |
714 | [ FILTER_OP_GET_CONTEXT_REF ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF, | |
715 | [ FILTER_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_STRING, | |
716 | [ FILTER_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_S64, | |
717 | [ FILTER_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_DOUBLE, | |
47e5f13e MD |
718 | |
719 | /* Instructions for recursive traversal through composed types. */ | |
720 | [ FILTER_OP_GET_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_CONTEXT_ROOT, | |
721 | [ FILTER_OP_GET_APP_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_APP_CONTEXT_ROOT, | |
722 | [ FILTER_OP_GET_PAYLOAD_ROOT ] = &&LABEL_FILTER_OP_GET_PAYLOAD_ROOT, | |
723 | ||
724 | [ FILTER_OP_GET_SYMBOL ] = &&LABEL_FILTER_OP_GET_SYMBOL, | |
725 | [ FILTER_OP_GET_SYMBOL_FIELD ] = &&LABEL_FILTER_OP_GET_SYMBOL_FIELD, | |
726 | [ FILTER_OP_GET_INDEX_U16 ] = &&LABEL_FILTER_OP_GET_INDEX_U16, | |
727 | [ FILTER_OP_GET_INDEX_U64 ] = &&LABEL_FILTER_OP_GET_INDEX_U64, | |
728 | ||
729 | [ FILTER_OP_LOAD_FIELD ] = &&LABEL_FILTER_OP_LOAD_FIELD, | |
730 | [ FILTER_OP_LOAD_FIELD_S8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S8, | |
731 | [ FILTER_OP_LOAD_FIELD_S16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S16, | |
732 | [ FILTER_OP_LOAD_FIELD_S32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S32, | |
733 | [ FILTER_OP_LOAD_FIELD_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S64, | |
734 | [ FILTER_OP_LOAD_FIELD_U8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U8, | |
735 | [ FILTER_OP_LOAD_FIELD_U16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U16, | |
736 | [ FILTER_OP_LOAD_FIELD_U32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U32, | |
737 | [ FILTER_OP_LOAD_FIELD_U64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U64, | |
738 | [ FILTER_OP_LOAD_FIELD_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_STRING, | |
739 | [ FILTER_OP_LOAD_FIELD_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_SEQUENCE, | |
740 | [ FILTER_OP_LOAD_FIELD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_DOUBLE, | |
0039e2d8 MD |
741 | |
742 | [ FILTER_OP_UNARY_BIT_NOT ] = &&LABEL_FILTER_OP_UNARY_BIT_NOT, | |
93c591bb MD |
743 | |
744 | [ FILTER_OP_RETURN_S64 ] = &&LABEL_FILTER_OP_RETURN_S64, | |
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 | ||
93c591bb MD |
777 | OP(FILTER_OP_RETURN_S64): |
778 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ | |
779 | retval = !!estack_ax_v; | |
780 | ret = 0; | |
781 | goto end; | |
782 | ||
97b58163 MD |
783 | /* binary */ |
784 | OP(FILTER_OP_MUL): | |
785 | OP(FILTER_OP_DIV): | |
786 | OP(FILTER_OP_MOD): | |
787 | OP(FILTER_OP_PLUS): | |
788 | OP(FILTER_OP_MINUS): | |
47e5f13e | 789 | ERR("unsupported bytecode op %u", |
97b58163 MD |
790 | (unsigned int) *(filter_opcode_t *) pc); |
791 | ret = -EINVAL; | |
792 | goto end; | |
793 | ||
794 | OP(FILTER_OP_EQ): | |
53569322 MD |
795 | { |
796 | /* Dynamic typing. */ | |
797 | switch (estack_ax_t) { | |
798 | case REG_S64: | |
799 | switch (estack_bx_t) { | |
800 | case REG_S64: | |
801 | JUMP_TO(FILTER_OP_EQ_S64); | |
802 | case REG_DOUBLE: | |
803 | JUMP_TO(FILTER_OP_EQ_DOUBLE_S64); | |
3151a51d PP |
804 | case REG_STRING: /* Fall-through */ |
805 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
806 | ret = -EINVAL; |
807 | goto end; | |
808 | default: | |
809 | ERR("Unknown filter register type (%d)", | |
810 | (int) estack_bx_t); | |
811 | ret = -EINVAL; | |
812 | goto end; | |
813 | } | |
814 | break; | |
815 | case REG_DOUBLE: | |
816 | switch (estack_bx_t) { | |
817 | case REG_S64: | |
818 | JUMP_TO(FILTER_OP_EQ_S64_DOUBLE); | |
819 | case REG_DOUBLE: | |
820 | JUMP_TO(FILTER_OP_EQ_DOUBLE); | |
3151a51d PP |
821 | case REG_STRING: /* Fall-through */ |
822 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
823 | ret = -EINVAL; |
824 | goto end; | |
825 | default: | |
826 | ERR("Unknown filter register type (%d)", | |
827 | (int) estack_bx_t); | |
828 | ret = -EINVAL; | |
829 | goto end; | |
830 | } | |
831 | break; | |
832 | case REG_STRING: | |
833 | switch (estack_bx_t) { | |
834 | case REG_S64: /* Fall-through */ | |
835 | case REG_DOUBLE: | |
836 | ret = -EINVAL; | |
837 | goto end; | |
838 | case REG_STRING: | |
839 | JUMP_TO(FILTER_OP_EQ_STRING); | |
3151a51d PP |
840 | case REG_STAR_GLOB_STRING: |
841 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
842 | default: | |
843 | ERR("Unknown filter register type (%d)", | |
844 | (int) estack_bx_t); | |
845 | ret = -EINVAL; | |
846 | goto end; | |
847 | } | |
848 | break; | |
849 | case REG_STAR_GLOB_STRING: | |
850 | switch (estack_bx_t) { | |
851 | case REG_S64: /* Fall-through */ | |
852 | case REG_DOUBLE: | |
853 | ret = -EINVAL; | |
854 | goto end; | |
855 | case REG_STRING: | |
856 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
857 | case REG_STAR_GLOB_STRING: | |
858 | ret = -EINVAL; | |
859 | goto end; | |
53569322 MD |
860 | default: |
861 | ERR("Unknown filter register type (%d)", | |
862 | (int) estack_bx_t); | |
863 | ret = -EINVAL; | |
864 | goto end; | |
865 | } | |
866 | break; | |
867 | default: | |
868 | ERR("Unknown filter register type (%d)", | |
869 | (int) estack_ax_t); | |
870 | ret = -EINVAL; | |
871 | goto end; | |
872 | } | |
873 | } | |
97b58163 | 874 | OP(FILTER_OP_NE): |
53569322 MD |
875 | { |
876 | /* Dynamic typing. */ | |
877 | switch (estack_ax_t) { | |
878 | case REG_S64: | |
879 | switch (estack_bx_t) { | |
880 | case REG_S64: | |
881 | JUMP_TO(FILTER_OP_NE_S64); | |
882 | case REG_DOUBLE: | |
883 | JUMP_TO(FILTER_OP_NE_DOUBLE_S64); | |
3151a51d PP |
884 | case REG_STRING: /* Fall-through */ |
885 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
886 | ret = -EINVAL; |
887 | goto end; | |
888 | default: | |
889 | ERR("Unknown filter register type (%d)", | |
890 | (int) estack_bx_t); | |
891 | ret = -EINVAL; | |
892 | goto end; | |
893 | } | |
894 | break; | |
895 | case REG_DOUBLE: | |
896 | switch (estack_bx_t) { | |
897 | case REG_S64: | |
898 | JUMP_TO(FILTER_OP_NE_S64_DOUBLE); | |
899 | case REG_DOUBLE: | |
900 | JUMP_TO(FILTER_OP_NE_DOUBLE); | |
3151a51d PP |
901 | case REG_STRING: /* Fall-through */ |
902 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
903 | ret = -EINVAL; |
904 | goto end; | |
905 | default: | |
906 | ERR("Unknown filter register type (%d)", | |
907 | (int) estack_bx_t); | |
908 | ret = -EINVAL; | |
909 | goto end; | |
910 | } | |
911 | break; | |
912 | case REG_STRING: | |
913 | switch (estack_bx_t) { | |
914 | case REG_S64: /* Fall-through */ | |
915 | case REG_DOUBLE: | |
916 | ret = -EINVAL; | |
917 | goto end; | |
918 | case REG_STRING: | |
919 | JUMP_TO(FILTER_OP_NE_STRING); | |
3151a51d PP |
920 | case REG_STAR_GLOB_STRING: |
921 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
922 | default: | |
923 | ERR("Unknown filter register type (%d)", | |
924 | (int) estack_bx_t); | |
925 | ret = -EINVAL; | |
926 | goto end; | |
927 | } | |
928 | break; | |
929 | case REG_STAR_GLOB_STRING: | |
930 | switch (estack_bx_t) { | |
931 | case REG_S64: /* Fall-through */ | |
932 | case REG_DOUBLE: | |
933 | ret = -EINVAL; | |
934 | goto end; | |
935 | case REG_STRING: | |
936 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
937 | case REG_STAR_GLOB_STRING: | |
938 | ret = -EINVAL; | |
939 | goto end; | |
53569322 MD |
940 | default: |
941 | ERR("Unknown filter register type (%d)", | |
942 | (int) estack_bx_t); | |
943 | ret = -EINVAL; | |
944 | goto end; | |
945 | } | |
946 | break; | |
947 | default: | |
948 | ERR("Unknown filter register type (%d)", | |
949 | (int) estack_ax_t); | |
950 | ret = -EINVAL; | |
951 | goto end; | |
952 | } | |
953 | } | |
97b58163 | 954 | OP(FILTER_OP_GT): |
53569322 MD |
955 | { |
956 | /* Dynamic typing. */ | |
957 | switch (estack_ax_t) { | |
958 | case REG_S64: | |
959 | switch (estack_bx_t) { | |
960 | case REG_S64: | |
961 | JUMP_TO(FILTER_OP_GT_S64); | |
962 | case REG_DOUBLE: | |
963 | JUMP_TO(FILTER_OP_GT_DOUBLE_S64); | |
3151a51d PP |
964 | case REG_STRING: /* Fall-through */ |
965 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
966 | ret = -EINVAL; |
967 | goto end; | |
968 | default: | |
969 | ERR("Unknown filter register type (%d)", | |
970 | (int) estack_bx_t); | |
971 | ret = -EINVAL; | |
972 | goto end; | |
973 | } | |
974 | break; | |
975 | case REG_DOUBLE: | |
976 | switch (estack_bx_t) { | |
977 | case REG_S64: | |
978 | JUMP_TO(FILTER_OP_GT_S64_DOUBLE); | |
979 | case REG_DOUBLE: | |
980 | JUMP_TO(FILTER_OP_GT_DOUBLE); | |
3151a51d PP |
981 | case REG_STRING: /* Fall-through */ |
982 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
983 | ret = -EINVAL; |
984 | goto end; | |
985 | default: | |
986 | ERR("Unknown filter register type (%d)", | |
987 | (int) estack_bx_t); | |
988 | ret = -EINVAL; | |
989 | goto end; | |
990 | } | |
991 | break; | |
992 | case REG_STRING: | |
993 | switch (estack_bx_t) { | |
994 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
995 | case REG_DOUBLE: /* Fall-through */ |
996 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
997 | ret = -EINVAL; |
998 | goto end; | |
999 | case REG_STRING: | |
1000 | JUMP_TO(FILTER_OP_GT_STRING); | |
1001 | default: | |
1002 | ERR("Unknown filter register type (%d)", | |
1003 | (int) estack_bx_t); | |
1004 | ret = -EINVAL; | |
1005 | goto end; | |
1006 | } | |
1007 | break; | |
1008 | default: | |
1009 | ERR("Unknown filter register type (%d)", | |
1010 | (int) estack_ax_t); | |
1011 | ret = -EINVAL; | |
1012 | goto end; | |
1013 | } | |
1014 | } | |
97b58163 | 1015 | OP(FILTER_OP_LT): |
53569322 MD |
1016 | { |
1017 | /* Dynamic typing. */ | |
1018 | switch (estack_ax_t) { | |
1019 | case REG_S64: | |
1020 | switch (estack_bx_t) { | |
1021 | case REG_S64: | |
1022 | JUMP_TO(FILTER_OP_LT_S64); | |
1023 | case REG_DOUBLE: | |
1024 | JUMP_TO(FILTER_OP_LT_DOUBLE_S64); | |
3151a51d PP |
1025 | case REG_STRING: /* Fall-through */ |
1026 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1027 | ret = -EINVAL; |
1028 | goto end; | |
1029 | default: | |
1030 | ERR("Unknown filter register type (%d)", | |
1031 | (int) estack_bx_t); | |
1032 | ret = -EINVAL; | |
1033 | goto end; | |
1034 | } | |
1035 | break; | |
1036 | case REG_DOUBLE: | |
1037 | switch (estack_bx_t) { | |
1038 | case REG_S64: | |
1039 | JUMP_TO(FILTER_OP_LT_S64_DOUBLE); | |
1040 | case REG_DOUBLE: | |
1041 | JUMP_TO(FILTER_OP_LT_DOUBLE); | |
3151a51d PP |
1042 | case REG_STRING: /* Fall-through */ |
1043 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1044 | ret = -EINVAL; |
1045 | goto end; | |
1046 | default: | |
1047 | ERR("Unknown filter register type (%d)", | |
1048 | (int) estack_bx_t); | |
1049 | ret = -EINVAL; | |
1050 | goto end; | |
1051 | } | |
1052 | break; | |
1053 | case REG_STRING: | |
1054 | switch (estack_bx_t) { | |
1055 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1056 | case REG_DOUBLE: /* Fall-through */ |
1057 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1058 | ret = -EINVAL; |
1059 | goto end; | |
1060 | case REG_STRING: | |
1061 | JUMP_TO(FILTER_OP_LT_STRING); | |
1062 | default: | |
1063 | ERR("Unknown filter register type (%d)", | |
1064 | (int) estack_bx_t); | |
1065 | ret = -EINVAL; | |
1066 | goto end; | |
1067 | } | |
1068 | break; | |
1069 | default: | |
1070 | ERR("Unknown filter register type (%d)", | |
1071 | (int) estack_ax_t); | |
1072 | ret = -EINVAL; | |
1073 | goto end; | |
1074 | } | |
1075 | } | |
97b58163 | 1076 | OP(FILTER_OP_GE): |
53569322 MD |
1077 | { |
1078 | /* Dynamic typing. */ | |
1079 | switch (estack_ax_t) { | |
1080 | case REG_S64: | |
1081 | switch (estack_bx_t) { | |
1082 | case REG_S64: | |
1083 | JUMP_TO(FILTER_OP_GE_S64); | |
1084 | case REG_DOUBLE: | |
1085 | JUMP_TO(FILTER_OP_GE_DOUBLE_S64); | |
3151a51d PP |
1086 | case REG_STRING: /* Fall-through */ |
1087 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1088 | ret = -EINVAL; |
1089 | goto end; | |
1090 | default: | |
1091 | ERR("Unknown filter register type (%d)", | |
1092 | (int) estack_bx_t); | |
1093 | ret = -EINVAL; | |
1094 | goto end; | |
1095 | } | |
1096 | break; | |
1097 | case REG_DOUBLE: | |
1098 | switch (estack_bx_t) { | |
1099 | case REG_S64: | |
1100 | JUMP_TO(FILTER_OP_GE_S64_DOUBLE); | |
1101 | case REG_DOUBLE: | |
1102 | JUMP_TO(FILTER_OP_GE_DOUBLE); | |
3151a51d PP |
1103 | case REG_STRING: /* Fall-through */ |
1104 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1105 | ret = -EINVAL; |
1106 | goto end; | |
1107 | default: | |
1108 | ERR("Unknown filter register type (%d)", | |
1109 | (int) estack_bx_t); | |
1110 | ret = -EINVAL; | |
1111 | goto end; | |
1112 | } | |
1113 | break; | |
1114 | case REG_STRING: | |
1115 | switch (estack_bx_t) { | |
1116 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1117 | case REG_DOUBLE: /* Fall-through */ |
1118 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1119 | ret = -EINVAL; |
1120 | goto end; | |
1121 | case REG_STRING: | |
1122 | JUMP_TO(FILTER_OP_GE_STRING); | |
1123 | default: | |
1124 | ERR("Unknown filter register type (%d)", | |
1125 | (int) estack_bx_t); | |
1126 | ret = -EINVAL; | |
1127 | goto end; | |
1128 | } | |
1129 | break; | |
1130 | default: | |
1131 | ERR("Unknown filter register type (%d)", | |
1132 | (int) estack_ax_t); | |
1133 | ret = -EINVAL; | |
1134 | goto end; | |
1135 | } | |
1136 | } | |
97b58163 | 1137 | OP(FILTER_OP_LE): |
53569322 MD |
1138 | { |
1139 | /* Dynamic typing. */ | |
1140 | switch (estack_ax_t) { | |
1141 | case REG_S64: | |
1142 | switch (estack_bx_t) { | |
1143 | case REG_S64: | |
1144 | JUMP_TO(FILTER_OP_LE_S64); | |
1145 | case REG_DOUBLE: | |
1146 | JUMP_TO(FILTER_OP_LE_DOUBLE_S64); | |
3151a51d PP |
1147 | case REG_STRING: /* Fall-through */ |
1148 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1149 | ret = -EINVAL; |
1150 | goto end; | |
1151 | default: | |
1152 | ERR("Unknown filter register type (%d)", | |
1153 | (int) estack_bx_t); | |
1154 | ret = -EINVAL; | |
1155 | goto end; | |
1156 | } | |
1157 | break; | |
1158 | case REG_DOUBLE: | |
1159 | switch (estack_bx_t) { | |
1160 | case REG_S64: | |
1161 | JUMP_TO(FILTER_OP_LE_S64_DOUBLE); | |
1162 | case REG_DOUBLE: | |
1163 | JUMP_TO(FILTER_OP_LE_DOUBLE); | |
3151a51d PP |
1164 | case REG_STRING: /* Fall-through */ |
1165 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1166 | ret = -EINVAL; |
1167 | goto end; | |
1168 | default: | |
1169 | ERR("Unknown filter register type (%d)", | |
1170 | (int) estack_bx_t); | |
1171 | ret = -EINVAL; | |
1172 | goto end; | |
1173 | } | |
1174 | break; | |
1175 | case REG_STRING: | |
1176 | switch (estack_bx_t) { | |
1177 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1178 | case REG_DOUBLE: /* Fall-through */ |
1179 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1180 | ret = -EINVAL; |
1181 | goto end; | |
1182 | case REG_STRING: | |
1183 | JUMP_TO(FILTER_OP_LE_STRING); | |
1184 | default: | |
1185 | ERR("Unknown filter register type (%d)", | |
1186 | (int) estack_bx_t); | |
1187 | ret = -EINVAL; | |
1188 | goto end; | |
1189 | } | |
1190 | break; | |
1191 | default: | |
1192 | ERR("Unknown filter register type (%d)", | |
1193 | (int) estack_ax_t); | |
1194 | ret = -EINVAL; | |
1195 | goto end; | |
1196 | } | |
1197 | } | |
97b58163 MD |
1198 | |
1199 | OP(FILTER_OP_EQ_STRING): | |
1200 | { | |
0305960f MD |
1201 | int res; |
1202 | ||
9b33aac4 | 1203 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 1204 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1205 | estack_ax_v = res; |
53569322 | 1206 | estack_ax_t = REG_S64; |
97b58163 MD |
1207 | next_pc += sizeof(struct binary_op); |
1208 | PO; | |
1209 | } | |
1210 | OP(FILTER_OP_NE_STRING): | |
1211 | { | |
0305960f MD |
1212 | int res; |
1213 | ||
9b33aac4 | 1214 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 1215 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1216 | estack_ax_v = res; |
53569322 | 1217 | estack_ax_t = REG_S64; |
97b58163 MD |
1218 | next_pc += sizeof(struct binary_op); |
1219 | PO; | |
1220 | } | |
1221 | OP(FILTER_OP_GT_STRING): | |
1222 | { | |
0305960f MD |
1223 | int res; |
1224 | ||
9b33aac4 | 1225 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 1226 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1227 | estack_ax_v = res; |
53569322 | 1228 | estack_ax_t = REG_S64; |
97b58163 MD |
1229 | next_pc += sizeof(struct binary_op); |
1230 | PO; | |
1231 | } | |
1232 | OP(FILTER_OP_LT_STRING): | |
1233 | { | |
0305960f MD |
1234 | int res; |
1235 | ||
9b33aac4 | 1236 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 1237 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1238 | estack_ax_v = res; |
53569322 | 1239 | estack_ax_t = REG_S64; |
97b58163 MD |
1240 | next_pc += sizeof(struct binary_op); |
1241 | PO; | |
1242 | } | |
1243 | OP(FILTER_OP_GE_STRING): | |
1244 | { | |
0305960f MD |
1245 | int res; |
1246 | ||
9b33aac4 | 1247 | res = (stack_strcmp(stack, top, ">=") >= 0); |
53569322 | 1248 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1249 | estack_ax_v = res; |
53569322 | 1250 | estack_ax_t = REG_S64; |
97b58163 MD |
1251 | next_pc += sizeof(struct binary_op); |
1252 | PO; | |
1253 | } | |
1254 | OP(FILTER_OP_LE_STRING): | |
1255 | { | |
0305960f MD |
1256 | int res; |
1257 | ||
9b33aac4 | 1258 | res = (stack_strcmp(stack, top, "<=") <= 0); |
53569322 | 1259 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1260 | estack_ax_v = res; |
53569322 | 1261 | estack_ax_t = REG_S64; |
97b58163 MD |
1262 | next_pc += sizeof(struct binary_op); |
1263 | PO; | |
1264 | } | |
1265 | ||
3151a51d PP |
1266 | OP(FILTER_OP_EQ_STAR_GLOB_STRING): |
1267 | { | |
1268 | int res; | |
1269 | ||
1270 | res = (stack_star_glob_match(stack, top, "==") == 0); | |
1271 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1272 | estack_ax_v = res; | |
1273 | estack_ax_t = REG_S64; | |
1274 | next_pc += sizeof(struct binary_op); | |
1275 | PO; | |
1276 | } | |
1277 | OP(FILTER_OP_NE_STAR_GLOB_STRING): | |
1278 | { | |
1279 | int res; | |
1280 | ||
1281 | res = (stack_star_glob_match(stack, top, "!=") != 0); | |
1282 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1283 | estack_ax_v = res; | |
1284 | estack_ax_t = REG_S64; | |
1285 | next_pc += sizeof(struct binary_op); | |
1286 | PO; | |
1287 | } | |
1288 | ||
97b58163 MD |
1289 | OP(FILTER_OP_EQ_S64): |
1290 | { | |
0305960f MD |
1291 | int res; |
1292 | ||
9b33aac4 | 1293 | res = (estack_bx_v == estack_ax_v); |
53569322 | 1294 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1295 | estack_ax_v = res; |
53569322 | 1296 | estack_ax_t = REG_S64; |
97b58163 MD |
1297 | next_pc += sizeof(struct binary_op); |
1298 | PO; | |
1299 | } | |
1300 | OP(FILTER_OP_NE_S64): | |
1301 | { | |
0305960f MD |
1302 | int res; |
1303 | ||
9b33aac4 | 1304 | res = (estack_bx_v != estack_ax_v); |
53569322 | 1305 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1306 | estack_ax_v = res; |
53569322 | 1307 | estack_ax_t = REG_S64; |
97b58163 MD |
1308 | next_pc += sizeof(struct binary_op); |
1309 | PO; | |
1310 | } | |
1311 | OP(FILTER_OP_GT_S64): | |
1312 | { | |
0305960f MD |
1313 | int res; |
1314 | ||
9b33aac4 | 1315 | res = (estack_bx_v > estack_ax_v); |
53569322 | 1316 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1317 | estack_ax_v = res; |
53569322 | 1318 | estack_ax_t = REG_S64; |
97b58163 MD |
1319 | next_pc += sizeof(struct binary_op); |
1320 | PO; | |
1321 | } | |
1322 | OP(FILTER_OP_LT_S64): | |
1323 | { | |
0305960f MD |
1324 | int res; |
1325 | ||
9b33aac4 | 1326 | res = (estack_bx_v < estack_ax_v); |
53569322 | 1327 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1328 | estack_ax_v = res; |
53569322 | 1329 | estack_ax_t = REG_S64; |
97b58163 MD |
1330 | next_pc += sizeof(struct binary_op); |
1331 | PO; | |
1332 | } | |
1333 | OP(FILTER_OP_GE_S64): | |
1334 | { | |
0305960f MD |
1335 | int res; |
1336 | ||
9b33aac4 | 1337 | res = (estack_bx_v >= estack_ax_v); |
53569322 | 1338 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1339 | estack_ax_v = res; |
53569322 | 1340 | estack_ax_t = REG_S64; |
97b58163 MD |
1341 | next_pc += sizeof(struct binary_op); |
1342 | PO; | |
1343 | } | |
1344 | OP(FILTER_OP_LE_S64): | |
1345 | { | |
0305960f MD |
1346 | int res; |
1347 | ||
9b33aac4 | 1348 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 1349 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1350 | estack_ax_v = res; |
53569322 | 1351 | estack_ax_t = REG_S64; |
97b58163 MD |
1352 | next_pc += sizeof(struct binary_op); |
1353 | PO; | |
1354 | } | |
1355 | ||
1356 | OP(FILTER_OP_EQ_DOUBLE): | |
1357 | { | |
0305960f MD |
1358 | int res; |
1359 | ||
9b33aac4 | 1360 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 1361 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1362 | estack_ax_v = res; |
53569322 | 1363 | estack_ax_t = REG_S64; |
97b58163 MD |
1364 | next_pc += sizeof(struct binary_op); |
1365 | PO; | |
1366 | } | |
1367 | OP(FILTER_OP_NE_DOUBLE): | |
1368 | { | |
0305960f MD |
1369 | int res; |
1370 | ||
9b33aac4 | 1371 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 1372 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1373 | estack_ax_v = res; |
53569322 | 1374 | estack_ax_t = REG_S64; |
97b58163 MD |
1375 | next_pc += sizeof(struct binary_op); |
1376 | PO; | |
1377 | } | |
1378 | OP(FILTER_OP_GT_DOUBLE): | |
1379 | { | |
0305960f MD |
1380 | int res; |
1381 | ||
9b33aac4 | 1382 | res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); |
53569322 | 1383 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1384 | estack_ax_v = res; |
53569322 | 1385 | estack_ax_t = REG_S64; |
97b58163 MD |
1386 | next_pc += sizeof(struct binary_op); |
1387 | PO; | |
1388 | } | |
1389 | OP(FILTER_OP_LT_DOUBLE): | |
1390 | { | |
0305960f MD |
1391 | int res; |
1392 | ||
9b33aac4 | 1393 | res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); |
53569322 | 1394 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1395 | estack_ax_v = res; |
53569322 | 1396 | estack_ax_t = REG_S64; |
97b58163 MD |
1397 | next_pc += sizeof(struct binary_op); |
1398 | PO; | |
1399 | } | |
1400 | OP(FILTER_OP_GE_DOUBLE): | |
1401 | { | |
0305960f MD |
1402 | int res; |
1403 | ||
9b33aac4 | 1404 | res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); |
53569322 | 1405 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1406 | estack_ax_v = res; |
53569322 | 1407 | estack_ax_t = REG_S64; |
97b58163 MD |
1408 | next_pc += sizeof(struct binary_op); |
1409 | PO; | |
1410 | } | |
1411 | OP(FILTER_OP_LE_DOUBLE): | |
1412 | { | |
0305960f MD |
1413 | int res; |
1414 | ||
9b33aac4 | 1415 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 1416 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1417 | estack_ax_v = res; |
53569322 | 1418 | estack_ax_t = REG_S64; |
dbea82ec MD |
1419 | next_pc += sizeof(struct binary_op); |
1420 | PO; | |
1421 | } | |
1422 | ||
1423 | /* Mixed S64-double binary comparators */ | |
1424 | OP(FILTER_OP_EQ_DOUBLE_S64): | |
1425 | { | |
1426 | int res; | |
1427 | ||
9b33aac4 | 1428 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
53569322 | 1429 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1430 | estack_ax_v = res; |
53569322 | 1431 | estack_ax_t = REG_S64; |
dbea82ec MD |
1432 | next_pc += sizeof(struct binary_op); |
1433 | PO; | |
1434 | } | |
1435 | OP(FILTER_OP_NE_DOUBLE_S64): | |
1436 | { | |
1437 | int res; | |
1438 | ||
9b33aac4 | 1439 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
53569322 | 1440 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1441 | estack_ax_v = res; |
53569322 | 1442 | estack_ax_t = REG_S64; |
dbea82ec MD |
1443 | next_pc += sizeof(struct binary_op); |
1444 | PO; | |
1445 | } | |
1446 | OP(FILTER_OP_GT_DOUBLE_S64): | |
1447 | { | |
1448 | int res; | |
1449 | ||
9b33aac4 | 1450 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
53569322 | 1451 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1452 | estack_ax_v = res; |
53569322 | 1453 | estack_ax_t = REG_S64; |
dbea82ec MD |
1454 | next_pc += sizeof(struct binary_op); |
1455 | PO; | |
1456 | } | |
1457 | OP(FILTER_OP_LT_DOUBLE_S64): | |
1458 | { | |
1459 | int res; | |
1460 | ||
9b33aac4 | 1461 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 1462 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1463 | estack_ax_v = res; |
53569322 | 1464 | estack_ax_t = REG_S64; |
dbea82ec MD |
1465 | next_pc += sizeof(struct binary_op); |
1466 | PO; | |
1467 | } | |
1468 | OP(FILTER_OP_GE_DOUBLE_S64): | |
1469 | { | |
1470 | int res; | |
1471 | ||
9b33aac4 | 1472 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 1473 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1474 | estack_ax_v = res; |
53569322 | 1475 | estack_ax_t = REG_S64; |
dbea82ec MD |
1476 | next_pc += sizeof(struct binary_op); |
1477 | PO; | |
1478 | } | |
1479 | OP(FILTER_OP_LE_DOUBLE_S64): | |
1480 | { | |
1481 | int res; | |
1482 | ||
9b33aac4 | 1483 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 1484 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1485 | estack_ax_v = res; |
53569322 | 1486 | estack_ax_t = REG_S64; |
dbea82ec MD |
1487 | next_pc += sizeof(struct binary_op); |
1488 | PO; | |
1489 | } | |
1490 | ||
1491 | OP(FILTER_OP_EQ_S64_DOUBLE): | |
1492 | { | |
1493 | int res; | |
1494 | ||
9b33aac4 | 1495 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 1496 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1497 | estack_ax_v = res; |
53569322 | 1498 | estack_ax_t = REG_S64; |
dbea82ec MD |
1499 | next_pc += sizeof(struct binary_op); |
1500 | PO; | |
1501 | } | |
1502 | OP(FILTER_OP_NE_S64_DOUBLE): | |
1503 | { | |
1504 | int res; | |
1505 | ||
9b33aac4 | 1506 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 1507 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1508 | estack_ax_v = res; |
53569322 | 1509 | estack_ax_t = REG_S64; |
dbea82ec MD |
1510 | next_pc += sizeof(struct binary_op); |
1511 | PO; | |
1512 | } | |
1513 | OP(FILTER_OP_GT_S64_DOUBLE): | |
1514 | { | |
1515 | int res; | |
1516 | ||
9b33aac4 | 1517 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 1518 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1519 | estack_ax_v = res; |
53569322 | 1520 | estack_ax_t = REG_S64; |
dbea82ec MD |
1521 | next_pc += sizeof(struct binary_op); |
1522 | PO; | |
1523 | } | |
1524 | OP(FILTER_OP_LT_S64_DOUBLE): | |
1525 | { | |
1526 | int res; | |
1527 | ||
9b33aac4 | 1528 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 1529 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1530 | estack_ax_v = res; |
53569322 | 1531 | estack_ax_t = REG_S64; |
dbea82ec MD |
1532 | next_pc += sizeof(struct binary_op); |
1533 | PO; | |
1534 | } | |
1535 | OP(FILTER_OP_GE_S64_DOUBLE): | |
1536 | { | |
1537 | int res; | |
1538 | ||
9b33aac4 | 1539 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 1540 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1541 | estack_ax_v = res; |
53569322 | 1542 | estack_ax_t = REG_S64; |
dbea82ec MD |
1543 | next_pc += sizeof(struct binary_op); |
1544 | PO; | |
1545 | } | |
1546 | OP(FILTER_OP_LE_S64_DOUBLE): | |
1547 | { | |
1548 | int res; | |
1549 | ||
9b33aac4 | 1550 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1551 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1552 | estack_ax_v = res; |
53569322 | 1553 | estack_ax_t = REG_S64; |
97b58163 MD |
1554 | next_pc += sizeof(struct binary_op); |
1555 | PO; | |
1556 | } | |
0039e2d8 MD |
1557 | OP(FILTER_OP_BIT_RSHIFT): |
1558 | { | |
1559 | int64_t res; | |
1560 | ||
1561 | /* Dynamic typing. */ | |
1562 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1563 | ret = -EINVAL; | |
1564 | goto end; | |
1565 | } | |
3703f1d2 MD |
1566 | /* Catch undefined behavior. */ |
1567 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1568 | ret = -EINVAL; | |
1569 | goto end; | |
1570 | } | |
4e8f9a89 | 1571 | res = ((uint64_t) estack_bx_v >> (uint32_t) estack_ax_v); |
0039e2d8 MD |
1572 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1573 | estack_ax_v = res; | |
1574 | estack_ax_t = REG_S64; | |
1575 | next_pc += sizeof(struct binary_op); | |
1576 | PO; | |
1577 | } | |
1578 | OP(FILTER_OP_BIT_LSHIFT): | |
1579 | { | |
1580 | int64_t res; | |
1581 | ||
1582 | /* Dynamic typing. */ | |
1583 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1584 | ret = -EINVAL; | |
1585 | goto end; | |
1586 | } | |
3703f1d2 MD |
1587 | /* Catch undefined behavior. */ |
1588 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1589 | ret = -EINVAL; | |
1590 | goto end; | |
1591 | } | |
4e8f9a89 | 1592 | res = ((uint64_t) estack_bx_v << (uint32_t) estack_ax_v); |
0039e2d8 MD |
1593 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1594 | estack_ax_v = res; | |
1595 | estack_ax_t = REG_S64; | |
1596 | next_pc += sizeof(struct binary_op); | |
1597 | PO; | |
1598 | } | |
47e5f13e MD |
1599 | OP(FILTER_OP_BIT_AND): |
1600 | { | |
1601 | int64_t res; | |
1602 | ||
1603 | /* Dynamic typing. */ | |
1604 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1605 | ret = -EINVAL; | |
1606 | goto end; | |
1607 | } | |
1608 | ||
4e8f9a89 | 1609 | res = ((uint64_t) estack_bx_v & (uint64_t) estack_ax_v); |
47e5f13e MD |
1610 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1611 | estack_ax_v = res; | |
1612 | estack_ax_t = REG_S64; | |
1613 | next_pc += sizeof(struct binary_op); | |
1614 | PO; | |
1615 | } | |
1616 | OP(FILTER_OP_BIT_OR): | |
1617 | { | |
1618 | int64_t res; | |
1619 | ||
1620 | /* Dynamic typing. */ | |
1621 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1622 | ret = -EINVAL; | |
1623 | goto end; | |
1624 | } | |
1625 | ||
4e8f9a89 | 1626 | res = ((uint64_t) estack_bx_v | (uint64_t) estack_ax_v); |
47e5f13e MD |
1627 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1628 | estack_ax_v = res; | |
1629 | estack_ax_t = REG_S64; | |
1630 | next_pc += sizeof(struct binary_op); | |
1631 | PO; | |
1632 | } | |
1633 | OP(FILTER_OP_BIT_XOR): | |
1634 | { | |
1635 | int64_t res; | |
1636 | ||
1637 | /* Dynamic typing. */ | |
1638 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1639 | ret = -EINVAL; | |
1640 | goto end; | |
1641 | } | |
1642 | ||
4e8f9a89 | 1643 | res = ((uint64_t) estack_bx_v ^ (uint64_t) estack_ax_v); |
47e5f13e MD |
1644 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1645 | estack_ax_v = res; | |
1646 | estack_ax_t = REG_S64; | |
1647 | next_pc += sizeof(struct binary_op); | |
1648 | PO; | |
1649 | } | |
97b58163 MD |
1650 | |
1651 | /* unary */ | |
1652 | OP(FILTER_OP_UNARY_PLUS): | |
53569322 MD |
1653 | { |
1654 | /* Dynamic typing. */ | |
1655 | switch (estack_ax_t) { | |
1656 | case REG_S64: /* Fall-through. */ | |
1657 | JUMP_TO(FILTER_OP_UNARY_PLUS_S64); | |
1658 | case REG_DOUBLE: | |
1659 | JUMP_TO(FILTER_OP_UNARY_PLUS_DOUBLE); | |
3151a51d PP |
1660 | case REG_STRING: /* Fall-through */ |
1661 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1662 | ret = -EINVAL; |
1663 | goto end; | |
1664 | default: | |
1665 | ERR("Unknown filter register type (%d)", | |
1666 | (int) estack_ax_t); | |
1667 | ret = -EINVAL; | |
1668 | goto end; | |
1669 | } | |
1670 | } | |
97b58163 | 1671 | OP(FILTER_OP_UNARY_MINUS): |
53569322 MD |
1672 | { |
1673 | /* Dynamic typing. */ | |
1674 | switch (estack_ax_t) { | |
1675 | case REG_S64: | |
1676 | JUMP_TO(FILTER_OP_UNARY_MINUS_S64); | |
1677 | case REG_DOUBLE: | |
1678 | JUMP_TO(FILTER_OP_UNARY_MINUS_DOUBLE); | |
3151a51d PP |
1679 | case REG_STRING: /* Fall-through */ |
1680 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1681 | ret = -EINVAL; |
1682 | goto end; | |
1683 | default: | |
1684 | ERR("Unknown filter register type (%d)", | |
1685 | (int) estack_ax_t); | |
1686 | ret = -EINVAL; | |
1687 | goto end; | |
1688 | } | |
1689 | } | |
97b58163 | 1690 | OP(FILTER_OP_UNARY_NOT): |
53569322 MD |
1691 | { |
1692 | /* Dynamic typing. */ | |
1693 | switch (estack_ax_t) { | |
1694 | case REG_S64: | |
1695 | JUMP_TO(FILTER_OP_UNARY_NOT_S64); | |
1696 | case REG_DOUBLE: | |
1697 | JUMP_TO(FILTER_OP_UNARY_NOT_DOUBLE); | |
3151a51d PP |
1698 | case REG_STRING: /* Fall-through */ |
1699 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1700 | ret = -EINVAL; |
1701 | goto end; | |
1702 | default: | |
1703 | ERR("Unknown filter register type (%d)", | |
1704 | (int) estack_ax_t); | |
1705 | ret = -EINVAL; | |
1706 | goto end; | |
1707 | } | |
1708 | next_pc += sizeof(struct unary_op); | |
1709 | PO; | |
1710 | } | |
97b58163 | 1711 | |
0039e2d8 MD |
1712 | OP(FILTER_OP_UNARY_BIT_NOT): |
1713 | { | |
1714 | /* Dynamic typing. */ | |
1715 | if (estack_ax_t != REG_S64) { | |
1716 | ret = -EINVAL; | |
1717 | goto end; | |
1718 | } | |
1719 | ||
4e8f9a89 | 1720 | estack_ax_v = ~(uint64_t) estack_ax_v; |
0039e2d8 MD |
1721 | next_pc += sizeof(struct unary_op); |
1722 | PO; | |
1723 | } | |
1724 | ||
97b58163 MD |
1725 | OP(FILTER_OP_UNARY_PLUS_S64): |
1726 | OP(FILTER_OP_UNARY_PLUS_DOUBLE): | |
1727 | { | |
1728 | next_pc += sizeof(struct unary_op); | |
1729 | PO; | |
1730 | } | |
1731 | OP(FILTER_OP_UNARY_MINUS_S64): | |
1732 | { | |
9b33aac4 | 1733 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1734 | next_pc += sizeof(struct unary_op); |
1735 | PO; | |
1736 | } | |
1737 | OP(FILTER_OP_UNARY_MINUS_DOUBLE): | |
1738 | { | |
9b33aac4 | 1739 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1740 | next_pc += sizeof(struct unary_op); |
1741 | PO; | |
1742 | } | |
1743 | OP(FILTER_OP_UNARY_NOT_S64): | |
1744 | { | |
9b33aac4 | 1745 | estack_ax_v = !estack_ax_v; |
97b58163 MD |
1746 | next_pc += sizeof(struct unary_op); |
1747 | PO; | |
1748 | } | |
1749 | OP(FILTER_OP_UNARY_NOT_DOUBLE): | |
1750 | { | |
53569322 MD |
1751 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1752 | estack_ax_t = REG_S64; | |
97b58163 MD |
1753 | next_pc += sizeof(struct unary_op); |
1754 | PO; | |
1755 | } | |
1756 | ||
1757 | /* logical */ | |
1758 | OP(FILTER_OP_AND): | |
1759 | { | |
1760 | struct logical_op *insn = (struct logical_op *) pc; | |
1761 | ||
53569322 MD |
1762 | if (estack_ax_t != REG_S64) { |
1763 | ret = -EINVAL; | |
1764 | goto end; | |
1765 | } | |
0305960f | 1766 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1767 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1768 | dbg_printf("Jumping to bytecode offset %u\n", |
1769 | (unsigned int) insn->skip_offset); | |
1770 | next_pc = start_pc + insn->skip_offset; | |
1771 | } else { | |
71c1ceeb | 1772 | /* Pop 1 when jump not taken */ |
53569322 | 1773 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1774 | next_pc += sizeof(struct logical_op); |
1775 | } | |
1776 | PO; | |
1777 | } | |
1778 | OP(FILTER_OP_OR): | |
1779 | { | |
1780 | struct logical_op *insn = (struct logical_op *) pc; | |
1781 | ||
53569322 MD |
1782 | if (estack_ax_t != REG_S64) { |
1783 | ret = -EINVAL; | |
1784 | goto end; | |
1785 | } | |
0305960f | 1786 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1787 | if (unlikely(estack_ax_v != 0)) { |
1788 | estack_ax_v = 1; | |
97b58163 MD |
1789 | dbg_printf("Jumping to bytecode offset %u\n", |
1790 | (unsigned int) insn->skip_offset); | |
1791 | next_pc = start_pc + insn->skip_offset; | |
1792 | } else { | |
71c1ceeb | 1793 | /* Pop 1 when jump not taken */ |
53569322 | 1794 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1795 | next_pc += sizeof(struct logical_op); |
1796 | } | |
1797 | PO; | |
1798 | } | |
1799 | ||
1800 | ||
77aa5901 | 1801 | /* load field ref */ |
97b58163 MD |
1802 | OP(FILTER_OP_LOAD_FIELD_REF_STRING): |
1803 | { | |
1804 | struct load_op *insn = (struct load_op *) pc; | |
1805 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1806 | ||
1807 | dbg_printf("load field ref offset %u type string\n", | |
1808 | ref->offset); | |
53569322 | 1809 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1810 | estack_ax(stack, top)->u.s.str = |
97b58163 | 1811 | *(const char * const *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1812 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1813 | dbg_printf("Filter warning: loading a NULL string.\n"); |
1814 | ret = -EINVAL; | |
1815 | goto end; | |
1816 | } | |
a63d0dc8 | 1817 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1818 | estack_ax(stack, top)->u.s.literal_type = |
1819 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 1820 | estack_ax_t = REG_STRING; |
9b33aac4 | 1821 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1822 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1823 | PO; | |
1824 | } | |
1825 | ||
1826 | OP(FILTER_OP_LOAD_FIELD_REF_SEQUENCE): | |
1827 | { | |
1828 | struct load_op *insn = (struct load_op *) pc; | |
1829 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1830 | ||
1831 | dbg_printf("load field ref offset %u type sequence\n", | |
1832 | ref->offset); | |
53569322 | 1833 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1834 | estack_ax(stack, top)->u.s.seq_len = |
97b58163 | 1835 | *(unsigned long *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1836 | estack_ax(stack, top)->u.s.str = |
97b58163 MD |
1837 | *(const char **) (&filter_stack_data[ref->offset |
1838 | + sizeof(unsigned long)]); | |
53569322 | 1839 | estack_ax_t = REG_STRING; |
9b33aac4 | 1840 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1841 | dbg_printf("Filter warning: loading a NULL sequence.\n"); |
1842 | ret = -EINVAL; | |
1843 | goto end; | |
1844 | } | |
3151a51d PP |
1845 | estack_ax(stack, top)->u.s.literal_type = |
1846 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
97b58163 MD |
1847 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1848 | PO; | |
1849 | } | |
1850 | ||
1851 | OP(FILTER_OP_LOAD_FIELD_REF_S64): | |
1852 | { | |
1853 | struct load_op *insn = (struct load_op *) pc; | |
1854 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1855 | ||
1856 | dbg_printf("load field ref offset %u type s64\n", | |
1857 | ref->offset); | |
53569322 | 1858 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 MD |
1859 | estack_ax_v = |
1860 | ((struct literal_numeric *) &filter_stack_data[ref->offset])->v; | |
53569322 | 1861 | estack_ax_t = REG_S64; |
9b33aac4 | 1862 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1863 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1864 | PO; | |
1865 | } | |
1866 | ||
1867 | OP(FILTER_OP_LOAD_FIELD_REF_DOUBLE): | |
1868 | { | |
1869 | struct load_op *insn = (struct load_op *) pc; | |
1870 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1871 | ||
1872 | dbg_printf("load field ref offset %u type double\n", | |
1873 | ref->offset); | |
53569322 | 1874 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1875 | memcpy(&estack_ax(stack, top)->u.d, &filter_stack_data[ref->offset], |
97b58163 | 1876 | sizeof(struct literal_double)); |
53569322 | 1877 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 1878 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
1879 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1880 | PO; | |
1881 | } | |
1882 | ||
77aa5901 | 1883 | /* load from immediate operand */ |
97b58163 MD |
1884 | OP(FILTER_OP_LOAD_STRING): |
1885 | { | |
1886 | struct load_op *insn = (struct load_op *) pc; | |
1887 | ||
1888 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 1889 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1890 | estack_ax(stack, top)->u.s.str = insn->data; |
a63d0dc8 | 1891 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1892 | estack_ax(stack, top)->u.s.literal_type = |
1893 | ESTACK_STRING_LITERAL_TYPE_PLAIN; | |
53569322 | 1894 | estack_ax_t = REG_STRING; |
97b58163 MD |
1895 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
1896 | PO; | |
1897 | } | |
1898 | ||
3151a51d PP |
1899 | OP(FILTER_OP_LOAD_STAR_GLOB_STRING): |
1900 | { | |
1901 | struct load_op *insn = (struct load_op *) pc; | |
1902 | ||
1903 | dbg_printf("load globbing pattern %s\n", insn->data); | |
1904 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
1905 | estack_ax(stack, top)->u.s.str = insn->data; | |
a63d0dc8 | 1906 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1907 | estack_ax(stack, top)->u.s.literal_type = |
1908 | ESTACK_STRING_LITERAL_TYPE_STAR_GLOB; | |
1909 | estack_ax_t = REG_STAR_GLOB_STRING; | |
1910 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
1911 | PO; | |
1912 | } | |
1913 | ||
97b58163 MD |
1914 | OP(FILTER_OP_LOAD_S64): |
1915 | { | |
1916 | struct load_op *insn = (struct load_op *) pc; | |
1917 | ||
53569322 | 1918 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1919 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 1920 | estack_ax_t = REG_S64; |
9b33aac4 | 1921 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1922 | next_pc += sizeof(struct load_op) |
1923 | + sizeof(struct literal_numeric); | |
1924 | PO; | |
1925 | } | |
1926 | ||
1927 | OP(FILTER_OP_LOAD_DOUBLE): | |
1928 | { | |
1929 | struct load_op *insn = (struct load_op *) pc; | |
1930 | ||
53569322 | 1931 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1932 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 1933 | sizeof(struct literal_double)); |
53569322 MD |
1934 | estack_ax_t = REG_DOUBLE; |
1935 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
1936 | next_pc += sizeof(struct load_op) |
1937 | + sizeof(struct literal_double); | |
1938 | PO; | |
1939 | } | |
1940 | ||
1941 | /* cast */ | |
1942 | OP(FILTER_OP_CAST_TO_S64): | |
53569322 MD |
1943 | { |
1944 | /* Dynamic typing. */ | |
1945 | switch (estack_ax_t) { | |
1946 | case REG_S64: | |
1947 | JUMP_TO(FILTER_OP_CAST_NOP); | |
1948 | case REG_DOUBLE: | |
1949 | JUMP_TO(FILTER_OP_CAST_DOUBLE_TO_S64); | |
3151a51d PP |
1950 | case REG_STRING: /* Fall-through */ |
1951 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1952 | ret = -EINVAL; |
1953 | goto end; | |
1954 | default: | |
1955 | ERR("Unknown filter register type (%d)", | |
1956 | (int) estack_ax_t); | |
1957 | ret = -EINVAL; | |
1958 | goto end; | |
1959 | } | |
1960 | } | |
97b58163 MD |
1961 | |
1962 | OP(FILTER_OP_CAST_DOUBLE_TO_S64): | |
1963 | { | |
9b33aac4 | 1964 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 1965 | estack_ax_t = REG_S64; |
97b58163 MD |
1966 | next_pc += sizeof(struct cast_op); |
1967 | PO; | |
1968 | } | |
1969 | ||
1970 | OP(FILTER_OP_CAST_NOP): | |
1971 | { | |
1972 | next_pc += sizeof(struct cast_op); | |
1973 | PO; | |
1974 | } | |
1975 | ||
77aa5901 | 1976 | /* get context ref */ |
53569322 MD |
1977 | OP(FILTER_OP_GET_CONTEXT_REF): |
1978 | { | |
1979 | struct load_op *insn = (struct load_op *) pc; | |
1980 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 MD |
1981 | struct lttng_ctx_field *ctx_field; |
1982 | struct lttng_ctx_value v; | |
1983 | ||
1984 | dbg_printf("get context ref offset %u type dynamic\n", | |
1985 | ref->offset); | |
53569322 MD |
1986 | ctx_field = &ctx->fields[ref->offset]; |
1987 | ctx_field->get_value(ctx_field, &v); | |
1988 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
1989 | switch (v.sel) { | |
1990 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
1991 | ret = -EINVAL; | |
1992 | goto end; | |
1993 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
1994 | estack_ax_v = v.u.s64; | |
1995 | estack_ax_t = REG_S64; | |
1996 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
1997 | break; | |
1998 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
1999 | estack_ax(stack, top)->u.d = v.u.d; | |
2000 | estack_ax_t = REG_DOUBLE; | |
2001 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
2002 | break; | |
2003 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
2004 | estack_ax(stack, top)->u.s.str = v.u.str; | |
2005 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2006 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2007 | ret = -EINVAL; | |
2008 | goto end; | |
2009 | } | |
a63d0dc8 | 2010 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2011 | estack_ax(stack, top)->u.s.literal_type = |
2012 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 MD |
2013 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); |
2014 | estack_ax_t = REG_STRING; | |
2015 | break; | |
2016 | default: | |
2017 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
2018 | ret = -EINVAL; | |
2019 | goto end; | |
2020 | } | |
2021 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2022 | PO; | |
2023 | } | |
2024 | ||
77aa5901 MD |
2025 | OP(FILTER_OP_GET_CONTEXT_REF_STRING): |
2026 | { | |
2027 | struct load_op *insn = (struct load_op *) pc; | |
2028 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2029 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2030 | struct lttng_ctx_value v; |
77aa5901 MD |
2031 | |
2032 | dbg_printf("get context ref offset %u type string\n", | |
2033 | ref->offset); | |
53569322 | 2034 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2035 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2036 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2037 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 MD |
2038 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
2039 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2040 | ret = -EINVAL; | |
2041 | goto end; | |
2042 | } | |
a63d0dc8 | 2043 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2044 | estack_ax(stack, top)->u.s.literal_type = |
2045 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2046 | estack_ax_t = REG_STRING; |
77aa5901 MD |
2047 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
2048 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2049 | PO; | |
2050 | } | |
2051 | ||
2052 | OP(FILTER_OP_GET_CONTEXT_REF_S64): | |
2053 | { | |
2054 | struct load_op *insn = (struct load_op *) pc; | |
2055 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2056 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2057 | struct lttng_ctx_value v; |
77aa5901 MD |
2058 | |
2059 | dbg_printf("get context ref offset %u type s64\n", | |
2060 | ref->offset); | |
53569322 | 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; | |
2075 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2076 | struct lttng_ctx_value v; |
77aa5901 MD |
2077 | |
2078 | dbg_printf("get context ref offset %u type double\n", | |
2079 | ref->offset); | |
53569322 | 2080 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2081 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2082 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2083 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
2084 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
2085 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
2086 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2087 | PO; | |
2088 | } | |
2089 | ||
47e5f13e MD |
2090 | OP(FILTER_OP_GET_CONTEXT_ROOT): |
2091 | { | |
2092 | dbg_printf("op get context root\n"); | |
2093 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2094 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_CONTEXT; | |
2095 | /* "field" only needed for variants. */ | |
2096 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2097 | estack_ax_t = REG_PTR; | |
2098 | next_pc += sizeof(struct load_op); | |
2099 | PO; | |
2100 | } | |
2101 | ||
2102 | OP(FILTER_OP_GET_APP_CONTEXT_ROOT): | |
2103 | { | |
2104 | dbg_printf("op get app context root\n"); | |
2105 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2106 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_APP_CONTEXT; | |
2107 | /* "field" only needed for variants. */ | |
2108 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2109 | estack_ax_t = REG_PTR; | |
2110 | next_pc += sizeof(struct load_op); | |
2111 | PO; | |
2112 | } | |
2113 | ||
2114 | OP(FILTER_OP_GET_PAYLOAD_ROOT): | |
2115 | { | |
2116 | dbg_printf("op get app payload root\n"); | |
2117 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2118 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_PAYLOAD; | |
2119 | estack_ax(stack, top)->u.ptr.ptr = filter_stack_data; | |
2120 | /* "field" only needed for variants. */ | |
2121 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2122 | estack_ax_t = REG_PTR; | |
2123 | next_pc += sizeof(struct load_op); | |
2124 | PO; | |
2125 | } | |
2126 | ||
2127 | OP(FILTER_OP_GET_SYMBOL): | |
2128 | { | |
2129 | dbg_printf("op get symbol\n"); | |
2130 | switch (estack_ax(stack, top)->u.ptr.type) { | |
2131 | case LOAD_OBJECT: | |
2132 | ERR("Nested fields not implemented yet."); | |
2133 | ret = -EINVAL; | |
2134 | goto end; | |
2135 | case LOAD_ROOT_CONTEXT: | |
2136 | case LOAD_ROOT_APP_CONTEXT: | |
2137 | case LOAD_ROOT_PAYLOAD: | |
2138 | /* | |
2139 | * symbol lookup is performed by | |
2140 | * specialization. | |
2141 | */ | |
2142 | ret = -EINVAL; | |
2143 | goto end; | |
2144 | } | |
2145 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
2146 | PO; | |
2147 | } | |
2148 | ||
2149 | OP(FILTER_OP_GET_SYMBOL_FIELD): | |
2150 | { | |
2151 | /* | |
2152 | * Used for first variant encountered in a | |
2153 | * traversal. Variants are not implemented yet. | |
2154 | */ | |
2155 | ret = -EINVAL; | |
2156 | goto end; | |
2157 | } | |
2158 | ||
2159 | OP(FILTER_OP_GET_INDEX_U16): | |
2160 | { | |
2161 | struct load_op *insn = (struct load_op *) pc; | |
2162 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
2163 | ||
2164 | dbg_printf("op get index u16\n"); | |
d5fc3224 | 2165 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2166 | if (ret) |
2167 | goto end; | |
2168 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2169 | estack_ax_t = estack_ax(stack, top)->type; | |
2170 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
2171 | PO; | |
2172 | } | |
2173 | ||
2174 | OP(FILTER_OP_GET_INDEX_U64): | |
2175 | { | |
2176 | struct load_op *insn = (struct load_op *) pc; | |
2177 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
2178 | ||
2179 | dbg_printf("op get index u64\n"); | |
d5fc3224 | 2180 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2181 | if (ret) |
2182 | goto end; | |
2183 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2184 | estack_ax_t = estack_ax(stack, top)->type; | |
2185 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
2186 | PO; | |
2187 | } | |
2188 | ||
2189 | OP(FILTER_OP_LOAD_FIELD): | |
2190 | { | |
2191 | dbg_printf("op load field\n"); | |
2192 | ret = dynamic_load_field(estack_ax(stack, top)); | |
2193 | if (ret) | |
2194 | goto end; | |
2195 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2196 | estack_ax_t = estack_ax(stack, top)->type; | |
2197 | next_pc += sizeof(struct load_op); | |
2198 | PO; | |
2199 | } | |
2200 | ||
2201 | OP(FILTER_OP_LOAD_FIELD_S8): | |
2202 | { | |
2203 | dbg_printf("op load field s8\n"); | |
2204 | ||
2205 | estack_ax_v = *(int8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2206 | estack_ax_t = REG_S64; | |
2207 | next_pc += sizeof(struct load_op); | |
2208 | PO; | |
2209 | } | |
2210 | OP(FILTER_OP_LOAD_FIELD_S16): | |
2211 | { | |
2212 | dbg_printf("op load field s16\n"); | |
2213 | ||
2214 | estack_ax_v = *(int16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2215 | estack_ax_t = REG_S64; | |
2216 | next_pc += sizeof(struct load_op); | |
2217 | PO; | |
2218 | } | |
2219 | OP(FILTER_OP_LOAD_FIELD_S32): | |
2220 | { | |
2221 | dbg_printf("op load field s32\n"); | |
2222 | ||
2223 | estack_ax_v = *(int32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2224 | estack_ax_t = REG_S64; | |
2225 | next_pc += sizeof(struct load_op); | |
2226 | PO; | |
2227 | } | |
2228 | OP(FILTER_OP_LOAD_FIELD_S64): | |
2229 | { | |
2230 | dbg_printf("op load field s64\n"); | |
2231 | ||
2232 | estack_ax_v = *(int64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2233 | estack_ax_t = REG_S64; | |
2234 | next_pc += sizeof(struct load_op); | |
2235 | PO; | |
2236 | } | |
2237 | OP(FILTER_OP_LOAD_FIELD_U8): | |
2238 | { | |
2239 | dbg_printf("op load field u8\n"); | |
2240 | ||
2241 | estack_ax_v = *(uint8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2242 | estack_ax_t = REG_S64; | |
2243 | next_pc += sizeof(struct load_op); | |
2244 | PO; | |
2245 | } | |
2246 | OP(FILTER_OP_LOAD_FIELD_U16): | |
2247 | { | |
2248 | dbg_printf("op load field u16\n"); | |
2249 | ||
2250 | estack_ax_v = *(uint16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2251 | estack_ax_t = REG_S64; | |
2252 | next_pc += sizeof(struct load_op); | |
2253 | PO; | |
2254 | } | |
2255 | OP(FILTER_OP_LOAD_FIELD_U32): | |
2256 | { | |
2257 | dbg_printf("op load field u32\n"); | |
2258 | ||
2259 | estack_ax_v = *(uint32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2260 | estack_ax_t = REG_S64; | |
2261 | next_pc += sizeof(struct load_op); | |
2262 | PO; | |
2263 | } | |
2264 | OP(FILTER_OP_LOAD_FIELD_U64): | |
2265 | { | |
2266 | dbg_printf("op load field u64\n"); | |
2267 | ||
2268 | estack_ax_v = *(uint64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2269 | estack_ax_t = REG_S64; | |
2270 | next_pc += sizeof(struct load_op); | |
2271 | PO; | |
2272 | } | |
2273 | OP(FILTER_OP_LOAD_FIELD_DOUBLE): | |
2274 | { | |
2275 | dbg_printf("op load field double\n"); | |
2276 | ||
2277 | memcpy(&estack_ax(stack, top)->u.d, | |
2278 | estack_ax(stack, top)->u.ptr.ptr, | |
2279 | sizeof(struct literal_double)); | |
2280 | estack_ax(stack, top)->type = REG_DOUBLE; | |
2281 | next_pc += sizeof(struct load_op); | |
2282 | PO; | |
2283 | } | |
2284 | ||
2285 | OP(FILTER_OP_LOAD_FIELD_STRING): | |
2286 | { | |
2287 | const char *str; | |
2288 | ||
2289 | dbg_printf("op load field string\n"); | |
2290 | str = (const char *) estack_ax(stack, top)->u.ptr.ptr; | |
2291 | estack_ax(stack, top)->u.s.str = str; | |
2292 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2293 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2294 | ret = -EINVAL; | |
2295 | goto end; | |
2296 | } | |
2297 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; | |
2298 | estack_ax(stack, top)->u.s.literal_type = | |
2299 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2300 | estack_ax(stack, top)->type = REG_STRING; | |
2301 | next_pc += sizeof(struct load_op); | |
2302 | PO; | |
2303 | } | |
2304 | ||
2305 | OP(FILTER_OP_LOAD_FIELD_SEQUENCE): | |
2306 | { | |
2307 | const char *ptr; | |
2308 | ||
2309 | dbg_printf("op load field string sequence\n"); | |
2310 | ptr = estack_ax(stack, top)->u.ptr.ptr; | |
2311 | estack_ax(stack, top)->u.s.seq_len = *(unsigned long *) ptr; | |
2312 | estack_ax(stack, top)->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
2313 | estack_ax(stack, top)->type = REG_STRING; | |
2314 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2315 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
2316 | ret = -EINVAL; | |
2317 | goto end; | |
2318 | } | |
2319 | estack_ax(stack, top)->u.s.literal_type = | |
2320 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2321 | next_pc += sizeof(struct load_op); | |
2322 | PO; | |
2323 | } | |
2324 | ||
97b58163 MD |
2325 | END_OP |
2326 | end: | |
2327 | /* return 0 (discard) on error */ | |
2328 | if (ret) | |
2329 | return 0; | |
2330 | return retval; | |
2331 | } | |
2332 | ||
2333 | #undef START_OP | |
2334 | #undef OP | |
2335 | #undef PO | |
2336 | #undef END_OP |