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 | } | |
6f0a5631 | 249 | ptr->rev_bo = field->type.u.basic.integer.reverse_byte_order; |
47e5f13e MD |
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 | } | |
6f0a5631 | 266 | ptr->rev_bo = itype->reverse_byte_order; |
47e5f13e MD |
267 | break; |
268 | } | |
269 | case atype_array: | |
270 | if (field->type.u.array.elem_type.atype != atype_integer) { | |
271 | ERR("Array nesting only supports integer types."); | |
272 | return -EINVAL; | |
273 | } | |
274 | if (field->type.u.array.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
275 | ERR("Only string arrays are supported for contexts."); | |
276 | return -EINVAL; | |
277 | } | |
278 | ptr->object_type = OBJECT_TYPE_STRING; | |
279 | ctx_field->get_value(ctx_field, &v); | |
280 | ptr->ptr = v.u.str; | |
281 | break; | |
282 | case atype_sequence: | |
283 | if (field->type.u.sequence.elem_type.atype != atype_integer) { | |
284 | ERR("Sequence nesting only supports integer types."); | |
285 | return -EINVAL; | |
286 | } | |
287 | if (field->type.u.sequence.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
288 | ERR("Only string sequences are supported for contexts."); | |
289 | return -EINVAL; | |
290 | } | |
291 | ptr->object_type = OBJECT_TYPE_STRING; | |
292 | ctx_field->get_value(ctx_field, &v); | |
293 | ptr->ptr = v.u.str; | |
294 | break; | |
295 | case atype_string: | |
296 | ptr->object_type = OBJECT_TYPE_STRING; | |
297 | ctx_field->get_value(ctx_field, &v); | |
298 | ptr->ptr = v.u.str; | |
299 | break; | |
300 | case atype_float: | |
301 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
628f0e45 | 302 | ctx_field->get_value(ctx_field, &v); |
47e5f13e MD |
303 | ptr->u.d = v.u.d; |
304 | ptr->ptr = &ptr->u.d; | |
6f0a5631 | 305 | ptr->rev_bo = field->type.u.basic._float.reverse_byte_order; |
47e5f13e MD |
306 | break; |
307 | case atype_dynamic: | |
308 | ctx_field->get_value(ctx_field, &v); | |
309 | switch (v.sel) { | |
310 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
311 | return -EINVAL; | |
312 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
313 | ptr->object_type = OBJECT_TYPE_S64; | |
314 | ptr->u.s64 = v.u.s64; | |
315 | ptr->ptr = &ptr->u.s64; | |
6f0a5631 MD |
316 | /* |
317 | * struct lttng_ctx_value does not currently | |
318 | * feature a byte order field. | |
319 | */ | |
320 | ptr->rev_bo = false; | |
47e5f13e MD |
321 | dbg_printf("context get index dynamic s64 %" PRIi64 "\n", ptr->u.s64); |
322 | break; | |
323 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
324 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
325 | ptr->u.d = v.u.d; | |
326 | ptr->ptr = &ptr->u.d; | |
6f0a5631 MD |
327 | /* |
328 | * struct lttng_ctx_value does not currently | |
329 | * feature a byte order field. | |
330 | */ | |
331 | ptr->rev_bo = false; | |
47e5f13e MD |
332 | dbg_printf("context get index dynamic double %g\n", ptr->u.d); |
333 | break; | |
334 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
335 | ptr->object_type = OBJECT_TYPE_STRING; | |
336 | ptr->ptr = v.u.str; | |
337 | dbg_printf("context get index dynamic string %s\n", (const char *) ptr->ptr); | |
338 | break; | |
339 | default: | |
340 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
341 | return -EINVAL; | |
342 | } | |
343 | break; | |
344 | case atype_struct: | |
345 | ERR("Structure type cannot be loaded."); | |
346 | return -EINVAL; | |
347 | default: | |
348 | ERR("Unknown type: %d", (int) field->type.atype); | |
349 | return -EINVAL; | |
350 | } | |
351 | return 0; | |
352 | } | |
353 | ||
354 | static int dynamic_get_index(struct lttng_session *session, | |
355 | struct bytecode_runtime *runtime, | |
356 | uint64_t index, struct estack_entry *stack_top) | |
357 | { | |
358 | int ret; | |
359 | const struct filter_get_index_data *gid; | |
360 | ||
361 | /* | |
362 | * Types nested within variants need to perform dynamic lookup | |
363 | * based on the field descriptions. LTTng-UST does not implement | |
364 | * variants for now. | |
365 | */ | |
366 | if (stack_top->u.ptr.field) | |
367 | return -EINVAL; | |
368 | gid = (const struct filter_get_index_data *) &runtime->data[index]; | |
369 | switch (stack_top->u.ptr.type) { | |
370 | case LOAD_OBJECT: | |
371 | switch (stack_top->u.ptr.object_type) { | |
372 | case OBJECT_TYPE_ARRAY: | |
373 | { | |
374 | const char *ptr; | |
375 | ||
376 | assert(gid->offset < gid->array_len); | |
377 | /* Skip count (unsigned long) */ | |
378 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
379 | ptr = ptr + gid->offset; | |
380 | stack_top->u.ptr.ptr = ptr; | |
381 | stack_top->u.ptr.object_type = gid->elem.type; | |
382 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
383 | /* field is only used for types nested within variants. */ | |
384 | stack_top->u.ptr.field = NULL; | |
385 | break; | |
386 | } | |
387 | case OBJECT_TYPE_SEQUENCE: | |
388 | { | |
389 | const char *ptr; | |
390 | size_t ptr_seq_len; | |
391 | ||
392 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
393 | ptr_seq_len = *(unsigned long *) stack_top->u.ptr.ptr; | |
394 | if (gid->offset >= gid->elem.len * ptr_seq_len) { | |
395 | ret = -EINVAL; | |
396 | goto end; | |
397 | } | |
398 | ptr = ptr + gid->offset; | |
399 | stack_top->u.ptr.ptr = ptr; | |
400 | stack_top->u.ptr.object_type = gid->elem.type; | |
401 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
402 | /* field is only used for types nested within variants. */ | |
403 | stack_top->u.ptr.field = NULL; | |
404 | break; | |
405 | } | |
406 | case OBJECT_TYPE_STRUCT: | |
407 | ERR("Nested structures are not supported yet."); | |
408 | ret = -EINVAL; | |
409 | goto end; | |
410 | case OBJECT_TYPE_VARIANT: | |
411 | default: | |
412 | ERR("Unexpected get index type %d", | |
413 | (int) stack_top->u.ptr.object_type); | |
414 | ret = -EINVAL; | |
415 | goto end; | |
416 | } | |
417 | break; | |
418 | case LOAD_ROOT_CONTEXT: | |
419 | case LOAD_ROOT_APP_CONTEXT: /* Fall-through */ | |
420 | { | |
421 | struct lttng_ctx *ctx; | |
422 | ||
423 | ctx = rcu_dereference(session->ctx); | |
424 | ret = context_get_index(ctx, | |
425 | &stack_top->u.ptr, | |
426 | gid->ctx_index); | |
427 | if (ret) { | |
428 | goto end; | |
429 | } | |
430 | break; | |
431 | } | |
432 | case LOAD_ROOT_PAYLOAD: | |
433 | stack_top->u.ptr.ptr += gid->offset; | |
434 | if (gid->elem.type == OBJECT_TYPE_STRING) | |
435 | stack_top->u.ptr.ptr = *(const char * const *) stack_top->u.ptr.ptr; | |
436 | stack_top->u.ptr.object_type = gid->elem.type; | |
437 | stack_top->u.ptr.type = LOAD_OBJECT; | |
438 | /* field is only used for types nested within variants. */ | |
439 | stack_top->u.ptr.field = NULL; | |
440 | break; | |
441 | } | |
442 | return 0; | |
443 | ||
444 | end: | |
445 | return ret; | |
446 | } | |
447 | ||
448 | static int dynamic_load_field(struct estack_entry *stack_top) | |
449 | { | |
450 | int ret; | |
451 | ||
452 | switch (stack_top->u.ptr.type) { | |
453 | case LOAD_OBJECT: | |
454 | break; | |
455 | case LOAD_ROOT_CONTEXT: | |
456 | case LOAD_ROOT_APP_CONTEXT: | |
457 | case LOAD_ROOT_PAYLOAD: | |
458 | default: | |
459 | dbg_printf("Filter warning: cannot load root, missing field name.\n"); | |
460 | ret = -EINVAL; | |
461 | goto end; | |
462 | } | |
463 | switch (stack_top->u.ptr.object_type) { | |
464 | case OBJECT_TYPE_S8: | |
465 | dbg_printf("op load field s8\n"); | |
466 | stack_top->u.v = *(int8_t *) stack_top->u.ptr.ptr; | |
467 | stack_top->type = REG_S64; | |
468 | break; | |
469 | case OBJECT_TYPE_S16: | |
470 | { | |
471 | int16_t tmp; | |
472 | ||
473 | dbg_printf("op load field s16\n"); | |
474 | tmp = *(int16_t *) stack_top->u.ptr.ptr; | |
475 | if (stack_top->u.ptr.rev_bo) | |
476 | tmp = bswap_16(tmp); | |
477 | stack_top->u.v = tmp; | |
478 | stack_top->type = REG_S64; | |
479 | break; | |
480 | } | |
481 | case OBJECT_TYPE_S32: | |
482 | { | |
483 | int32_t tmp; | |
484 | ||
485 | dbg_printf("op load field s32\n"); | |
486 | tmp = *(int32_t *) stack_top->u.ptr.ptr; | |
487 | if (stack_top->u.ptr.rev_bo) | |
488 | tmp = bswap_32(tmp); | |
489 | stack_top->u.v = tmp; | |
490 | stack_top->type = REG_S64; | |
491 | break; | |
492 | } | |
493 | case OBJECT_TYPE_S64: | |
494 | { | |
495 | int64_t tmp; | |
496 | ||
497 | dbg_printf("op load field s64\n"); | |
498 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
499 | if (stack_top->u.ptr.rev_bo) | |
500 | tmp = bswap_64(tmp); | |
501 | stack_top->u.v = tmp; | |
502 | stack_top->type = REG_S64; | |
503 | break; | |
504 | } | |
505 | case OBJECT_TYPE_U8: | |
506 | dbg_printf("op load field u8\n"); | |
507 | stack_top->u.v = *(uint8_t *) stack_top->u.ptr.ptr; | |
508 | stack_top->type = REG_S64; | |
509 | break; | |
510 | case OBJECT_TYPE_U16: | |
511 | { | |
512 | uint16_t tmp; | |
513 | ||
514 | dbg_printf("op load field s16\n"); | |
515 | tmp = *(uint16_t *) stack_top->u.ptr.ptr; | |
516 | if (stack_top->u.ptr.rev_bo) | |
517 | tmp = bswap_16(tmp); | |
518 | stack_top->u.v = tmp; | |
519 | stack_top->type = REG_S64; | |
520 | break; | |
521 | } | |
522 | case OBJECT_TYPE_U32: | |
523 | { | |
524 | uint32_t tmp; | |
525 | ||
526 | dbg_printf("op load field u32\n"); | |
527 | tmp = *(uint32_t *) stack_top->u.ptr.ptr; | |
528 | if (stack_top->u.ptr.rev_bo) | |
529 | tmp = bswap_32(tmp); | |
530 | stack_top->u.v = tmp; | |
531 | stack_top->type = REG_S64; | |
532 | break; | |
533 | } | |
534 | case OBJECT_TYPE_U64: | |
535 | { | |
536 | uint64_t tmp; | |
537 | ||
538 | dbg_printf("op load field u64\n"); | |
539 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
540 | if (stack_top->u.ptr.rev_bo) | |
541 | tmp = bswap_64(tmp); | |
542 | stack_top->u.v = tmp; | |
543 | stack_top->type = REG_S64; | |
544 | break; | |
545 | } | |
546 | case OBJECT_TYPE_DOUBLE: | |
547 | memcpy(&stack_top->u.d, | |
548 | stack_top->u.ptr.ptr, | |
549 | sizeof(struct literal_double)); | |
550 | stack_top->type = REG_DOUBLE; | |
551 | break; | |
552 | case OBJECT_TYPE_STRING: | |
553 | { | |
554 | const char *str; | |
555 | ||
556 | dbg_printf("op load field string\n"); | |
557 | str = (const char *) stack_top->u.ptr.ptr; | |
558 | stack_top->u.s.str = str; | |
559 | if (unlikely(!stack_top->u.s.str)) { | |
560 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
561 | ret = -EINVAL; | |
562 | goto end; | |
563 | } | |
564 | stack_top->u.s.seq_len = SIZE_MAX; | |
565 | stack_top->u.s.literal_type = | |
566 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
567 | stack_top->type = REG_STRING; | |
568 | break; | |
569 | } | |
570 | case OBJECT_TYPE_STRING_SEQUENCE: | |
571 | { | |
572 | const char *ptr; | |
573 | ||
574 | dbg_printf("op load field string sequence\n"); | |
575 | ptr = stack_top->u.ptr.ptr; | |
576 | stack_top->u.s.seq_len = *(unsigned long *) ptr; | |
577 | stack_top->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
578 | stack_top->type = REG_STRING; | |
579 | if (unlikely(!stack_top->u.s.str)) { | |
580 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
581 | ret = -EINVAL; | |
582 | goto end; | |
583 | } | |
584 | stack_top->u.s.literal_type = | |
585 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
586 | break; | |
587 | } | |
588 | case OBJECT_TYPE_DYNAMIC: | |
589 | /* | |
590 | * Dynamic types in context are looked up | |
591 | * by context get index. | |
592 | */ | |
593 | ret = -EINVAL; | |
594 | goto end; | |
595 | case OBJECT_TYPE_SEQUENCE: | |
596 | case OBJECT_TYPE_ARRAY: | |
597 | case OBJECT_TYPE_STRUCT: | |
598 | case OBJECT_TYPE_VARIANT: | |
599 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
600 | ret = -EINVAL; | |
601 | goto end; | |
602 | } | |
603 | return 0; | |
604 | ||
605 | end: | |
606 | return ret; | |
607 | } | |
608 | ||
8a92ed2a MD |
609 | /* |
610 | * Return 0 (discard), or raise the 0x1 flag (log event). | |
611 | * Currently, other flags are kept for future extensions and have no | |
612 | * effect. | |
613 | */ | |
614 | uint64_t lttng_filter_interpret_bytecode(void *filter_data, | |
97b58163 MD |
615 | const char *filter_stack_data) |
616 | { | |
617 | struct bytecode_runtime *bytecode = filter_data; | |
53569322 | 618 | struct lttng_session *session = bytecode->p.session; |
97b58163 MD |
619 | void *pc, *next_pc, *start_pc; |
620 | int ret = -EINVAL; | |
8b82df15 | 621 | uint64_t retval = 0; |
0305960f MD |
622 | struct estack _stack; |
623 | struct estack *stack = &_stack; | |
9b33aac4 | 624 | register int64_t ax = 0, bx = 0; |
53569322 | 625 | register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; |
9b33aac4 | 626 | register int top = FILTER_STACK_EMPTY; |
97b58163 MD |
627 | #ifndef INTERPRETER_USE_SWITCH |
628 | static void *dispatch[NR_FILTER_OPS] = { | |
629 | [ FILTER_OP_UNKNOWN ] = &&LABEL_FILTER_OP_UNKNOWN, | |
630 | ||
631 | [ FILTER_OP_RETURN ] = &&LABEL_FILTER_OP_RETURN, | |
632 | ||
633 | /* binary */ | |
634 | [ FILTER_OP_MUL ] = &&LABEL_FILTER_OP_MUL, | |
635 | [ FILTER_OP_DIV ] = &&LABEL_FILTER_OP_DIV, | |
636 | [ FILTER_OP_MOD ] = &&LABEL_FILTER_OP_MOD, | |
637 | [ FILTER_OP_PLUS ] = &&LABEL_FILTER_OP_PLUS, | |
638 | [ FILTER_OP_MINUS ] = &&LABEL_FILTER_OP_MINUS, | |
0039e2d8 MD |
639 | [ FILTER_OP_BIT_RSHIFT ] = &&LABEL_FILTER_OP_BIT_RSHIFT, |
640 | [ FILTER_OP_BIT_LSHIFT ] = &&LABEL_FILTER_OP_BIT_LSHIFT, | |
47e5f13e MD |
641 | [ FILTER_OP_BIT_AND ] = &&LABEL_FILTER_OP_BIT_AND, |
642 | [ FILTER_OP_BIT_OR ] = &&LABEL_FILTER_OP_BIT_OR, | |
643 | [ FILTER_OP_BIT_XOR ] = &&LABEL_FILTER_OP_BIT_XOR, | |
97b58163 MD |
644 | |
645 | /* binary comparators */ | |
646 | [ FILTER_OP_EQ ] = &&LABEL_FILTER_OP_EQ, | |
647 | [ FILTER_OP_NE ] = &&LABEL_FILTER_OP_NE, | |
648 | [ FILTER_OP_GT ] = &&LABEL_FILTER_OP_GT, | |
649 | [ FILTER_OP_LT ] = &&LABEL_FILTER_OP_LT, | |
650 | [ FILTER_OP_GE ] = &&LABEL_FILTER_OP_GE, | |
651 | [ FILTER_OP_LE ] = &&LABEL_FILTER_OP_LE, | |
652 | ||
653 | /* string binary comparator */ | |
654 | [ FILTER_OP_EQ_STRING ] = &&LABEL_FILTER_OP_EQ_STRING, | |
655 | [ FILTER_OP_NE_STRING ] = &&LABEL_FILTER_OP_NE_STRING, | |
656 | [ FILTER_OP_GT_STRING ] = &&LABEL_FILTER_OP_GT_STRING, | |
657 | [ FILTER_OP_LT_STRING ] = &&LABEL_FILTER_OP_LT_STRING, | |
658 | [ FILTER_OP_GE_STRING ] = &&LABEL_FILTER_OP_GE_STRING, | |
659 | [ FILTER_OP_LE_STRING ] = &&LABEL_FILTER_OP_LE_STRING, | |
660 | ||
3151a51d PP |
661 | /* globbing pattern binary comparator */ |
662 | [ FILTER_OP_EQ_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_EQ_STAR_GLOB_STRING, | |
663 | [ FILTER_OP_NE_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_NE_STAR_GLOB_STRING, | |
664 | ||
97b58163 MD |
665 | /* s64 binary comparator */ |
666 | [ FILTER_OP_EQ_S64 ] = &&LABEL_FILTER_OP_EQ_S64, | |
667 | [ FILTER_OP_NE_S64 ] = &&LABEL_FILTER_OP_NE_S64, | |
668 | [ FILTER_OP_GT_S64 ] = &&LABEL_FILTER_OP_GT_S64, | |
669 | [ FILTER_OP_LT_S64 ] = &&LABEL_FILTER_OP_LT_S64, | |
670 | [ FILTER_OP_GE_S64 ] = &&LABEL_FILTER_OP_GE_S64, | |
671 | [ FILTER_OP_LE_S64 ] = &&LABEL_FILTER_OP_LE_S64, | |
672 | ||
673 | /* double binary comparator */ | |
674 | [ FILTER_OP_EQ_DOUBLE ] = &&LABEL_FILTER_OP_EQ_DOUBLE, | |
675 | [ FILTER_OP_NE_DOUBLE ] = &&LABEL_FILTER_OP_NE_DOUBLE, | |
676 | [ FILTER_OP_GT_DOUBLE ] = &&LABEL_FILTER_OP_GT_DOUBLE, | |
677 | [ FILTER_OP_LT_DOUBLE ] = &&LABEL_FILTER_OP_LT_DOUBLE, | |
678 | [ FILTER_OP_GE_DOUBLE ] = &&LABEL_FILTER_OP_GE_DOUBLE, | |
679 | [ FILTER_OP_LE_DOUBLE ] = &&LABEL_FILTER_OP_LE_DOUBLE, | |
680 | ||
dbea82ec MD |
681 | /* Mixed S64-double binary comparators */ |
682 | [ FILTER_OP_EQ_DOUBLE_S64 ] = &&LABEL_FILTER_OP_EQ_DOUBLE_S64, | |
683 | [ FILTER_OP_NE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_NE_DOUBLE_S64, | |
684 | [ FILTER_OP_GT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GT_DOUBLE_S64, | |
685 | [ FILTER_OP_LT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LT_DOUBLE_S64, | |
686 | [ FILTER_OP_GE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GE_DOUBLE_S64, | |
687 | [ FILTER_OP_LE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LE_DOUBLE_S64, | |
688 | ||
689 | [ FILTER_OP_EQ_S64_DOUBLE ] = &&LABEL_FILTER_OP_EQ_S64_DOUBLE, | |
690 | [ FILTER_OP_NE_S64_DOUBLE ] = &&LABEL_FILTER_OP_NE_S64_DOUBLE, | |
691 | [ FILTER_OP_GT_S64_DOUBLE ] = &&LABEL_FILTER_OP_GT_S64_DOUBLE, | |
692 | [ FILTER_OP_LT_S64_DOUBLE ] = &&LABEL_FILTER_OP_LT_S64_DOUBLE, | |
693 | [ FILTER_OP_GE_S64_DOUBLE ] = &&LABEL_FILTER_OP_GE_S64_DOUBLE, | |
694 | [ FILTER_OP_LE_S64_DOUBLE ] = &&LABEL_FILTER_OP_LE_S64_DOUBLE, | |
695 | ||
97b58163 MD |
696 | /* unary */ |
697 | [ FILTER_OP_UNARY_PLUS ] = &&LABEL_FILTER_OP_UNARY_PLUS, | |
698 | [ FILTER_OP_UNARY_MINUS ] = &&LABEL_FILTER_OP_UNARY_MINUS, | |
699 | [ FILTER_OP_UNARY_NOT ] = &&LABEL_FILTER_OP_UNARY_NOT, | |
700 | [ FILTER_OP_UNARY_PLUS_S64 ] = &&LABEL_FILTER_OP_UNARY_PLUS_S64, | |
701 | [ FILTER_OP_UNARY_MINUS_S64 ] = &&LABEL_FILTER_OP_UNARY_MINUS_S64, | |
702 | [ FILTER_OP_UNARY_NOT_S64 ] = &&LABEL_FILTER_OP_UNARY_NOT_S64, | |
703 | [ FILTER_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_PLUS_DOUBLE, | |
704 | [ FILTER_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_MINUS_DOUBLE, | |
705 | [ FILTER_OP_UNARY_NOT_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_NOT_DOUBLE, | |
706 | ||
707 | /* logical */ | |
708 | [ FILTER_OP_AND ] = &&LABEL_FILTER_OP_AND, | |
709 | [ FILTER_OP_OR ] = &&LABEL_FILTER_OP_OR, | |
710 | ||
77aa5901 | 711 | /* load field ref */ |
97b58163 MD |
712 | [ FILTER_OP_LOAD_FIELD_REF ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF, |
713 | [ FILTER_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_STRING, | |
714 | [ FILTER_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_SEQUENCE, | |
715 | [ FILTER_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_S64, | |
716 | [ FILTER_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_DOUBLE, | |
717 | ||
77aa5901 | 718 | /* load from immediate operand */ |
97b58163 | 719 | [ FILTER_OP_LOAD_STRING ] = &&LABEL_FILTER_OP_LOAD_STRING, |
3151a51d | 720 | [ FILTER_OP_LOAD_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_LOAD_STAR_GLOB_STRING, |
97b58163 MD |
721 | [ FILTER_OP_LOAD_S64 ] = &&LABEL_FILTER_OP_LOAD_S64, |
722 | [ FILTER_OP_LOAD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_DOUBLE, | |
723 | ||
724 | /* cast */ | |
725 | [ FILTER_OP_CAST_TO_S64 ] = &&LABEL_FILTER_OP_CAST_TO_S64, | |
726 | [ FILTER_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_FILTER_OP_CAST_DOUBLE_TO_S64, | |
727 | [ FILTER_OP_CAST_NOP ] = &&LABEL_FILTER_OP_CAST_NOP, | |
77aa5901 MD |
728 | |
729 | /* get context ref */ | |
730 | [ FILTER_OP_GET_CONTEXT_REF ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF, | |
731 | [ FILTER_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_STRING, | |
732 | [ FILTER_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_S64, | |
733 | [ FILTER_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_DOUBLE, | |
47e5f13e MD |
734 | |
735 | /* Instructions for recursive traversal through composed types. */ | |
736 | [ FILTER_OP_GET_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_CONTEXT_ROOT, | |
737 | [ FILTER_OP_GET_APP_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_APP_CONTEXT_ROOT, | |
738 | [ FILTER_OP_GET_PAYLOAD_ROOT ] = &&LABEL_FILTER_OP_GET_PAYLOAD_ROOT, | |
739 | ||
740 | [ FILTER_OP_GET_SYMBOL ] = &&LABEL_FILTER_OP_GET_SYMBOL, | |
741 | [ FILTER_OP_GET_SYMBOL_FIELD ] = &&LABEL_FILTER_OP_GET_SYMBOL_FIELD, | |
742 | [ FILTER_OP_GET_INDEX_U16 ] = &&LABEL_FILTER_OP_GET_INDEX_U16, | |
743 | [ FILTER_OP_GET_INDEX_U64 ] = &&LABEL_FILTER_OP_GET_INDEX_U64, | |
744 | ||
745 | [ FILTER_OP_LOAD_FIELD ] = &&LABEL_FILTER_OP_LOAD_FIELD, | |
746 | [ FILTER_OP_LOAD_FIELD_S8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S8, | |
747 | [ FILTER_OP_LOAD_FIELD_S16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S16, | |
748 | [ FILTER_OP_LOAD_FIELD_S32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S32, | |
749 | [ FILTER_OP_LOAD_FIELD_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S64, | |
750 | [ FILTER_OP_LOAD_FIELD_U8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U8, | |
751 | [ FILTER_OP_LOAD_FIELD_U16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U16, | |
752 | [ FILTER_OP_LOAD_FIELD_U32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U32, | |
753 | [ FILTER_OP_LOAD_FIELD_U64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U64, | |
754 | [ FILTER_OP_LOAD_FIELD_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_STRING, | |
755 | [ FILTER_OP_LOAD_FIELD_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_SEQUENCE, | |
756 | [ FILTER_OP_LOAD_FIELD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_DOUBLE, | |
0039e2d8 MD |
757 | |
758 | [ FILTER_OP_UNARY_BIT_NOT ] = &&LABEL_FILTER_OP_UNARY_BIT_NOT, | |
93c591bb MD |
759 | |
760 | [ FILTER_OP_RETURN_S64 ] = &&LABEL_FILTER_OP_RETURN_S64, | |
97b58163 MD |
761 | }; |
762 | #endif /* #ifndef INTERPRETER_USE_SWITCH */ | |
763 | ||
764 | START_OP | |
765 | ||
766 | OP(FILTER_OP_UNKNOWN): | |
767 | OP(FILTER_OP_LOAD_FIELD_REF): | |
768 | #ifdef INTERPRETER_USE_SWITCH | |
769 | default: | |
770 | #endif /* INTERPRETER_USE_SWITCH */ | |
47e5f13e | 771 | ERR("unknown bytecode op %u", |
97b58163 MD |
772 | (unsigned int) *(filter_opcode_t *) pc); |
773 | ret = -EINVAL; | |
774 | goto end; | |
775 | ||
776 | OP(FILTER_OP_RETURN): | |
8a92ed2a | 777 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
47e5f13e MD |
778 | /* Handle dynamic typing. */ |
779 | switch (estack_ax_t) { | |
780 | case REG_S64: | |
781 | retval = !!estack_ax_v; | |
782 | break; | |
783 | case REG_DOUBLE: | |
784 | case REG_STRING: | |
785 | case REG_STAR_GLOB_STRING: | |
786 | default: | |
787 | ret = -EINVAL; | |
788 | goto end; | |
789 | } | |
97b58163 MD |
790 | ret = 0; |
791 | goto end; | |
792 | ||
93c591bb MD |
793 | OP(FILTER_OP_RETURN_S64): |
794 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ | |
795 | retval = !!estack_ax_v; | |
796 | ret = 0; | |
797 | goto end; | |
798 | ||
97b58163 MD |
799 | /* binary */ |
800 | OP(FILTER_OP_MUL): | |
801 | OP(FILTER_OP_DIV): | |
802 | OP(FILTER_OP_MOD): | |
803 | OP(FILTER_OP_PLUS): | |
804 | OP(FILTER_OP_MINUS): | |
47e5f13e | 805 | ERR("unsupported bytecode op %u", |
97b58163 MD |
806 | (unsigned int) *(filter_opcode_t *) pc); |
807 | ret = -EINVAL; | |
808 | goto end; | |
809 | ||
810 | OP(FILTER_OP_EQ): | |
53569322 MD |
811 | { |
812 | /* Dynamic typing. */ | |
813 | switch (estack_ax_t) { | |
814 | case REG_S64: | |
815 | switch (estack_bx_t) { | |
816 | case REG_S64: | |
817 | JUMP_TO(FILTER_OP_EQ_S64); | |
818 | case REG_DOUBLE: | |
819 | JUMP_TO(FILTER_OP_EQ_DOUBLE_S64); | |
3151a51d PP |
820 | case REG_STRING: /* Fall-through */ |
821 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
822 | ret = -EINVAL; |
823 | goto end; | |
824 | default: | |
825 | ERR("Unknown filter register type (%d)", | |
826 | (int) estack_bx_t); | |
827 | ret = -EINVAL; | |
828 | goto end; | |
829 | } | |
830 | break; | |
831 | case REG_DOUBLE: | |
832 | switch (estack_bx_t) { | |
833 | case REG_S64: | |
834 | JUMP_TO(FILTER_OP_EQ_S64_DOUBLE); | |
835 | case REG_DOUBLE: | |
836 | JUMP_TO(FILTER_OP_EQ_DOUBLE); | |
3151a51d PP |
837 | case REG_STRING: /* Fall-through */ |
838 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
839 | ret = -EINVAL; |
840 | goto end; | |
841 | default: | |
842 | ERR("Unknown filter register type (%d)", | |
843 | (int) estack_bx_t); | |
844 | ret = -EINVAL; | |
845 | goto end; | |
846 | } | |
847 | break; | |
848 | case REG_STRING: | |
849 | switch (estack_bx_t) { | |
850 | case REG_S64: /* Fall-through */ | |
851 | case REG_DOUBLE: | |
852 | ret = -EINVAL; | |
853 | goto end; | |
854 | case REG_STRING: | |
855 | JUMP_TO(FILTER_OP_EQ_STRING); | |
3151a51d PP |
856 | case REG_STAR_GLOB_STRING: |
857 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
858 | default: | |
859 | ERR("Unknown filter register type (%d)", | |
860 | (int) estack_bx_t); | |
861 | ret = -EINVAL; | |
862 | goto end; | |
863 | } | |
864 | break; | |
865 | case REG_STAR_GLOB_STRING: | |
866 | switch (estack_bx_t) { | |
867 | case REG_S64: /* Fall-through */ | |
868 | case REG_DOUBLE: | |
869 | ret = -EINVAL; | |
870 | goto end; | |
871 | case REG_STRING: | |
872 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
873 | case REG_STAR_GLOB_STRING: | |
874 | ret = -EINVAL; | |
875 | goto end; | |
53569322 MD |
876 | default: |
877 | ERR("Unknown filter register type (%d)", | |
878 | (int) estack_bx_t); | |
879 | ret = -EINVAL; | |
880 | goto end; | |
881 | } | |
882 | break; | |
883 | default: | |
884 | ERR("Unknown filter register type (%d)", | |
885 | (int) estack_ax_t); | |
886 | ret = -EINVAL; | |
887 | goto end; | |
888 | } | |
889 | } | |
97b58163 | 890 | OP(FILTER_OP_NE): |
53569322 MD |
891 | { |
892 | /* Dynamic typing. */ | |
893 | switch (estack_ax_t) { | |
894 | case REG_S64: | |
895 | switch (estack_bx_t) { | |
896 | case REG_S64: | |
897 | JUMP_TO(FILTER_OP_NE_S64); | |
898 | case REG_DOUBLE: | |
899 | JUMP_TO(FILTER_OP_NE_DOUBLE_S64); | |
3151a51d PP |
900 | case REG_STRING: /* Fall-through */ |
901 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
902 | ret = -EINVAL; |
903 | goto end; | |
904 | default: | |
905 | ERR("Unknown filter register type (%d)", | |
906 | (int) estack_bx_t); | |
907 | ret = -EINVAL; | |
908 | goto end; | |
909 | } | |
910 | break; | |
911 | case REG_DOUBLE: | |
912 | switch (estack_bx_t) { | |
913 | case REG_S64: | |
914 | JUMP_TO(FILTER_OP_NE_S64_DOUBLE); | |
915 | case REG_DOUBLE: | |
916 | JUMP_TO(FILTER_OP_NE_DOUBLE); | |
3151a51d PP |
917 | case REG_STRING: /* Fall-through */ |
918 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
919 | ret = -EINVAL; |
920 | goto end; | |
921 | default: | |
922 | ERR("Unknown filter register type (%d)", | |
923 | (int) estack_bx_t); | |
924 | ret = -EINVAL; | |
925 | goto end; | |
926 | } | |
927 | break; | |
928 | case REG_STRING: | |
929 | switch (estack_bx_t) { | |
930 | case REG_S64: /* Fall-through */ | |
931 | case REG_DOUBLE: | |
932 | ret = -EINVAL; | |
933 | goto end; | |
934 | case REG_STRING: | |
935 | JUMP_TO(FILTER_OP_NE_STRING); | |
3151a51d PP |
936 | case REG_STAR_GLOB_STRING: |
937 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
938 | default: | |
939 | ERR("Unknown filter register type (%d)", | |
940 | (int) estack_bx_t); | |
941 | ret = -EINVAL; | |
942 | goto end; | |
943 | } | |
944 | break; | |
945 | case REG_STAR_GLOB_STRING: | |
946 | switch (estack_bx_t) { | |
947 | case REG_S64: /* Fall-through */ | |
948 | case REG_DOUBLE: | |
949 | ret = -EINVAL; | |
950 | goto end; | |
951 | case REG_STRING: | |
952 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
953 | case REG_STAR_GLOB_STRING: | |
954 | ret = -EINVAL; | |
955 | goto end; | |
53569322 MD |
956 | default: |
957 | ERR("Unknown filter register type (%d)", | |
958 | (int) estack_bx_t); | |
959 | ret = -EINVAL; | |
960 | goto end; | |
961 | } | |
962 | break; | |
963 | default: | |
964 | ERR("Unknown filter register type (%d)", | |
965 | (int) estack_ax_t); | |
966 | ret = -EINVAL; | |
967 | goto end; | |
968 | } | |
969 | } | |
97b58163 | 970 | OP(FILTER_OP_GT): |
53569322 MD |
971 | { |
972 | /* Dynamic typing. */ | |
973 | switch (estack_ax_t) { | |
974 | case REG_S64: | |
975 | switch (estack_bx_t) { | |
976 | case REG_S64: | |
977 | JUMP_TO(FILTER_OP_GT_S64); | |
978 | case REG_DOUBLE: | |
979 | JUMP_TO(FILTER_OP_GT_DOUBLE_S64); | |
3151a51d PP |
980 | case REG_STRING: /* Fall-through */ |
981 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
982 | ret = -EINVAL; |
983 | goto end; | |
984 | default: | |
985 | ERR("Unknown filter register type (%d)", | |
986 | (int) estack_bx_t); | |
987 | ret = -EINVAL; | |
988 | goto end; | |
989 | } | |
990 | break; | |
991 | case REG_DOUBLE: | |
992 | switch (estack_bx_t) { | |
993 | case REG_S64: | |
994 | JUMP_TO(FILTER_OP_GT_S64_DOUBLE); | |
995 | case REG_DOUBLE: | |
996 | JUMP_TO(FILTER_OP_GT_DOUBLE); | |
3151a51d PP |
997 | case REG_STRING: /* Fall-through */ |
998 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
999 | ret = -EINVAL; |
1000 | goto end; | |
1001 | default: | |
1002 | ERR("Unknown filter register type (%d)", | |
1003 | (int) estack_bx_t); | |
1004 | ret = -EINVAL; | |
1005 | goto end; | |
1006 | } | |
1007 | break; | |
1008 | case REG_STRING: | |
1009 | switch (estack_bx_t) { | |
1010 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1011 | case REG_DOUBLE: /* Fall-through */ |
1012 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1013 | ret = -EINVAL; |
1014 | goto end; | |
1015 | case REG_STRING: | |
1016 | JUMP_TO(FILTER_OP_GT_STRING); | |
1017 | default: | |
1018 | ERR("Unknown filter register type (%d)", | |
1019 | (int) estack_bx_t); | |
1020 | ret = -EINVAL; | |
1021 | goto end; | |
1022 | } | |
1023 | break; | |
1024 | default: | |
1025 | ERR("Unknown filter register type (%d)", | |
1026 | (int) estack_ax_t); | |
1027 | ret = -EINVAL; | |
1028 | goto end; | |
1029 | } | |
1030 | } | |
97b58163 | 1031 | OP(FILTER_OP_LT): |
53569322 MD |
1032 | { |
1033 | /* Dynamic typing. */ | |
1034 | switch (estack_ax_t) { | |
1035 | case REG_S64: | |
1036 | switch (estack_bx_t) { | |
1037 | case REG_S64: | |
1038 | JUMP_TO(FILTER_OP_LT_S64); | |
1039 | case REG_DOUBLE: | |
1040 | JUMP_TO(FILTER_OP_LT_DOUBLE_S64); | |
3151a51d PP |
1041 | case REG_STRING: /* Fall-through */ |
1042 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1043 | ret = -EINVAL; |
1044 | goto end; | |
1045 | default: | |
1046 | ERR("Unknown filter register type (%d)", | |
1047 | (int) estack_bx_t); | |
1048 | ret = -EINVAL; | |
1049 | goto end; | |
1050 | } | |
1051 | break; | |
1052 | case REG_DOUBLE: | |
1053 | switch (estack_bx_t) { | |
1054 | case REG_S64: | |
1055 | JUMP_TO(FILTER_OP_LT_S64_DOUBLE); | |
1056 | case REG_DOUBLE: | |
1057 | JUMP_TO(FILTER_OP_LT_DOUBLE); | |
3151a51d PP |
1058 | case REG_STRING: /* Fall-through */ |
1059 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1060 | ret = -EINVAL; |
1061 | goto end; | |
1062 | default: | |
1063 | ERR("Unknown filter register type (%d)", | |
1064 | (int) estack_bx_t); | |
1065 | ret = -EINVAL; | |
1066 | goto end; | |
1067 | } | |
1068 | break; | |
1069 | case REG_STRING: | |
1070 | switch (estack_bx_t) { | |
1071 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1072 | case REG_DOUBLE: /* Fall-through */ |
1073 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1074 | ret = -EINVAL; |
1075 | goto end; | |
1076 | case REG_STRING: | |
1077 | JUMP_TO(FILTER_OP_LT_STRING); | |
1078 | default: | |
1079 | ERR("Unknown filter register type (%d)", | |
1080 | (int) estack_bx_t); | |
1081 | ret = -EINVAL; | |
1082 | goto end; | |
1083 | } | |
1084 | break; | |
1085 | default: | |
1086 | ERR("Unknown filter register type (%d)", | |
1087 | (int) estack_ax_t); | |
1088 | ret = -EINVAL; | |
1089 | goto end; | |
1090 | } | |
1091 | } | |
97b58163 | 1092 | OP(FILTER_OP_GE): |
53569322 MD |
1093 | { |
1094 | /* Dynamic typing. */ | |
1095 | switch (estack_ax_t) { | |
1096 | case REG_S64: | |
1097 | switch (estack_bx_t) { | |
1098 | case REG_S64: | |
1099 | JUMP_TO(FILTER_OP_GE_S64); | |
1100 | case REG_DOUBLE: | |
1101 | JUMP_TO(FILTER_OP_GE_DOUBLE_S64); | |
3151a51d PP |
1102 | case REG_STRING: /* Fall-through */ |
1103 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1104 | ret = -EINVAL; |
1105 | goto end; | |
1106 | default: | |
1107 | ERR("Unknown filter register type (%d)", | |
1108 | (int) estack_bx_t); | |
1109 | ret = -EINVAL; | |
1110 | goto end; | |
1111 | } | |
1112 | break; | |
1113 | case REG_DOUBLE: | |
1114 | switch (estack_bx_t) { | |
1115 | case REG_S64: | |
1116 | JUMP_TO(FILTER_OP_GE_S64_DOUBLE); | |
1117 | case REG_DOUBLE: | |
1118 | JUMP_TO(FILTER_OP_GE_DOUBLE); | |
3151a51d PP |
1119 | case REG_STRING: /* Fall-through */ |
1120 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1121 | ret = -EINVAL; |
1122 | goto end; | |
1123 | default: | |
1124 | ERR("Unknown filter register type (%d)", | |
1125 | (int) estack_bx_t); | |
1126 | ret = -EINVAL; | |
1127 | goto end; | |
1128 | } | |
1129 | break; | |
1130 | case REG_STRING: | |
1131 | switch (estack_bx_t) { | |
1132 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1133 | case REG_DOUBLE: /* Fall-through */ |
1134 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1135 | ret = -EINVAL; |
1136 | goto end; | |
1137 | case REG_STRING: | |
1138 | JUMP_TO(FILTER_OP_GE_STRING); | |
1139 | default: | |
1140 | ERR("Unknown filter register type (%d)", | |
1141 | (int) estack_bx_t); | |
1142 | ret = -EINVAL; | |
1143 | goto end; | |
1144 | } | |
1145 | break; | |
1146 | default: | |
1147 | ERR("Unknown filter register type (%d)", | |
1148 | (int) estack_ax_t); | |
1149 | ret = -EINVAL; | |
1150 | goto end; | |
1151 | } | |
1152 | } | |
97b58163 | 1153 | OP(FILTER_OP_LE): |
53569322 MD |
1154 | { |
1155 | /* Dynamic typing. */ | |
1156 | switch (estack_ax_t) { | |
1157 | case REG_S64: | |
1158 | switch (estack_bx_t) { | |
1159 | case REG_S64: | |
1160 | JUMP_TO(FILTER_OP_LE_S64); | |
1161 | case REG_DOUBLE: | |
1162 | JUMP_TO(FILTER_OP_LE_DOUBLE_S64); | |
3151a51d PP |
1163 | case REG_STRING: /* Fall-through */ |
1164 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1165 | ret = -EINVAL; |
1166 | goto end; | |
1167 | default: | |
1168 | ERR("Unknown filter register type (%d)", | |
1169 | (int) estack_bx_t); | |
1170 | ret = -EINVAL; | |
1171 | goto end; | |
1172 | } | |
1173 | break; | |
1174 | case REG_DOUBLE: | |
1175 | switch (estack_bx_t) { | |
1176 | case REG_S64: | |
1177 | JUMP_TO(FILTER_OP_LE_S64_DOUBLE); | |
1178 | case REG_DOUBLE: | |
1179 | JUMP_TO(FILTER_OP_LE_DOUBLE); | |
3151a51d PP |
1180 | case REG_STRING: /* Fall-through */ |
1181 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1182 | ret = -EINVAL; |
1183 | goto end; | |
1184 | default: | |
1185 | ERR("Unknown filter register type (%d)", | |
1186 | (int) estack_bx_t); | |
1187 | ret = -EINVAL; | |
1188 | goto end; | |
1189 | } | |
1190 | break; | |
1191 | case REG_STRING: | |
1192 | switch (estack_bx_t) { | |
1193 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1194 | case REG_DOUBLE: /* Fall-through */ |
1195 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1196 | ret = -EINVAL; |
1197 | goto end; | |
1198 | case REG_STRING: | |
1199 | JUMP_TO(FILTER_OP_LE_STRING); | |
1200 | default: | |
1201 | ERR("Unknown filter register type (%d)", | |
1202 | (int) estack_bx_t); | |
1203 | ret = -EINVAL; | |
1204 | goto end; | |
1205 | } | |
1206 | break; | |
1207 | default: | |
1208 | ERR("Unknown filter register type (%d)", | |
1209 | (int) estack_ax_t); | |
1210 | ret = -EINVAL; | |
1211 | goto end; | |
1212 | } | |
1213 | } | |
97b58163 MD |
1214 | |
1215 | OP(FILTER_OP_EQ_STRING): | |
1216 | { | |
0305960f MD |
1217 | int res; |
1218 | ||
9b33aac4 | 1219 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 1220 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1221 | estack_ax_v = res; |
53569322 | 1222 | estack_ax_t = REG_S64; |
97b58163 MD |
1223 | next_pc += sizeof(struct binary_op); |
1224 | PO; | |
1225 | } | |
1226 | OP(FILTER_OP_NE_STRING): | |
1227 | { | |
0305960f MD |
1228 | int res; |
1229 | ||
9b33aac4 | 1230 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 1231 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1232 | estack_ax_v = res; |
53569322 | 1233 | estack_ax_t = REG_S64; |
97b58163 MD |
1234 | next_pc += sizeof(struct binary_op); |
1235 | PO; | |
1236 | } | |
1237 | OP(FILTER_OP_GT_STRING): | |
1238 | { | |
0305960f MD |
1239 | int res; |
1240 | ||
9b33aac4 | 1241 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 1242 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1243 | estack_ax_v = res; |
53569322 | 1244 | estack_ax_t = REG_S64; |
97b58163 MD |
1245 | next_pc += sizeof(struct binary_op); |
1246 | PO; | |
1247 | } | |
1248 | OP(FILTER_OP_LT_STRING): | |
1249 | { | |
0305960f MD |
1250 | int res; |
1251 | ||
9b33aac4 | 1252 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 1253 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1254 | estack_ax_v = res; |
53569322 | 1255 | estack_ax_t = REG_S64; |
97b58163 MD |
1256 | next_pc += sizeof(struct binary_op); |
1257 | PO; | |
1258 | } | |
1259 | OP(FILTER_OP_GE_STRING): | |
1260 | { | |
0305960f MD |
1261 | int res; |
1262 | ||
9b33aac4 | 1263 | res = (stack_strcmp(stack, top, ">=") >= 0); |
53569322 | 1264 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1265 | estack_ax_v = res; |
53569322 | 1266 | estack_ax_t = REG_S64; |
97b58163 MD |
1267 | next_pc += sizeof(struct binary_op); |
1268 | PO; | |
1269 | } | |
1270 | OP(FILTER_OP_LE_STRING): | |
1271 | { | |
0305960f MD |
1272 | int res; |
1273 | ||
9b33aac4 | 1274 | res = (stack_strcmp(stack, top, "<=") <= 0); |
53569322 | 1275 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1276 | estack_ax_v = res; |
53569322 | 1277 | estack_ax_t = REG_S64; |
97b58163 MD |
1278 | next_pc += sizeof(struct binary_op); |
1279 | PO; | |
1280 | } | |
1281 | ||
3151a51d PP |
1282 | OP(FILTER_OP_EQ_STAR_GLOB_STRING): |
1283 | { | |
1284 | int res; | |
1285 | ||
1286 | res = (stack_star_glob_match(stack, top, "==") == 0); | |
1287 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1288 | estack_ax_v = res; | |
1289 | estack_ax_t = REG_S64; | |
1290 | next_pc += sizeof(struct binary_op); | |
1291 | PO; | |
1292 | } | |
1293 | OP(FILTER_OP_NE_STAR_GLOB_STRING): | |
1294 | { | |
1295 | int res; | |
1296 | ||
1297 | res = (stack_star_glob_match(stack, top, "!=") != 0); | |
1298 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1299 | estack_ax_v = res; | |
1300 | estack_ax_t = REG_S64; | |
1301 | next_pc += sizeof(struct binary_op); | |
1302 | PO; | |
1303 | } | |
1304 | ||
97b58163 MD |
1305 | OP(FILTER_OP_EQ_S64): |
1306 | { | |
0305960f MD |
1307 | int res; |
1308 | ||
9b33aac4 | 1309 | res = (estack_bx_v == estack_ax_v); |
53569322 | 1310 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1311 | estack_ax_v = res; |
53569322 | 1312 | estack_ax_t = REG_S64; |
97b58163 MD |
1313 | next_pc += sizeof(struct binary_op); |
1314 | PO; | |
1315 | } | |
1316 | OP(FILTER_OP_NE_S64): | |
1317 | { | |
0305960f MD |
1318 | int res; |
1319 | ||
9b33aac4 | 1320 | res = (estack_bx_v != estack_ax_v); |
53569322 | 1321 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1322 | estack_ax_v = res; |
53569322 | 1323 | estack_ax_t = REG_S64; |
97b58163 MD |
1324 | next_pc += sizeof(struct binary_op); |
1325 | PO; | |
1326 | } | |
1327 | OP(FILTER_OP_GT_S64): | |
1328 | { | |
0305960f MD |
1329 | int res; |
1330 | ||
9b33aac4 | 1331 | res = (estack_bx_v > estack_ax_v); |
53569322 | 1332 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1333 | estack_ax_v = res; |
53569322 | 1334 | estack_ax_t = REG_S64; |
97b58163 MD |
1335 | next_pc += sizeof(struct binary_op); |
1336 | PO; | |
1337 | } | |
1338 | OP(FILTER_OP_LT_S64): | |
1339 | { | |
0305960f MD |
1340 | int res; |
1341 | ||
9b33aac4 | 1342 | res = (estack_bx_v < estack_ax_v); |
53569322 | 1343 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1344 | estack_ax_v = res; |
53569322 | 1345 | estack_ax_t = REG_S64; |
97b58163 MD |
1346 | next_pc += sizeof(struct binary_op); |
1347 | PO; | |
1348 | } | |
1349 | OP(FILTER_OP_GE_S64): | |
1350 | { | |
0305960f MD |
1351 | int res; |
1352 | ||
9b33aac4 | 1353 | res = (estack_bx_v >= estack_ax_v); |
53569322 | 1354 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1355 | estack_ax_v = res; |
53569322 | 1356 | estack_ax_t = REG_S64; |
97b58163 MD |
1357 | next_pc += sizeof(struct binary_op); |
1358 | PO; | |
1359 | } | |
1360 | OP(FILTER_OP_LE_S64): | |
1361 | { | |
0305960f MD |
1362 | int res; |
1363 | ||
9b33aac4 | 1364 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 1365 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1366 | estack_ax_v = res; |
53569322 | 1367 | estack_ax_t = REG_S64; |
97b58163 MD |
1368 | next_pc += sizeof(struct binary_op); |
1369 | PO; | |
1370 | } | |
1371 | ||
1372 | OP(FILTER_OP_EQ_DOUBLE): | |
1373 | { | |
0305960f MD |
1374 | int res; |
1375 | ||
9b33aac4 | 1376 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 1377 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1378 | estack_ax_v = res; |
53569322 | 1379 | estack_ax_t = REG_S64; |
97b58163 MD |
1380 | next_pc += sizeof(struct binary_op); |
1381 | PO; | |
1382 | } | |
1383 | OP(FILTER_OP_NE_DOUBLE): | |
1384 | { | |
0305960f MD |
1385 | int res; |
1386 | ||
9b33aac4 | 1387 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 1388 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1389 | estack_ax_v = res; |
53569322 | 1390 | estack_ax_t = REG_S64; |
97b58163 MD |
1391 | next_pc += sizeof(struct binary_op); |
1392 | PO; | |
1393 | } | |
1394 | OP(FILTER_OP_GT_DOUBLE): | |
1395 | { | |
0305960f MD |
1396 | int res; |
1397 | ||
9b33aac4 | 1398 | res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); |
53569322 | 1399 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1400 | estack_ax_v = res; |
53569322 | 1401 | estack_ax_t = REG_S64; |
97b58163 MD |
1402 | next_pc += sizeof(struct binary_op); |
1403 | PO; | |
1404 | } | |
1405 | OP(FILTER_OP_LT_DOUBLE): | |
1406 | { | |
0305960f MD |
1407 | int res; |
1408 | ||
9b33aac4 | 1409 | res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); |
53569322 | 1410 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1411 | estack_ax_v = res; |
53569322 | 1412 | estack_ax_t = REG_S64; |
97b58163 MD |
1413 | next_pc += sizeof(struct binary_op); |
1414 | PO; | |
1415 | } | |
1416 | OP(FILTER_OP_GE_DOUBLE): | |
1417 | { | |
0305960f MD |
1418 | int res; |
1419 | ||
9b33aac4 | 1420 | res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); |
53569322 | 1421 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1422 | estack_ax_v = res; |
53569322 | 1423 | estack_ax_t = REG_S64; |
97b58163 MD |
1424 | next_pc += sizeof(struct binary_op); |
1425 | PO; | |
1426 | } | |
1427 | OP(FILTER_OP_LE_DOUBLE): | |
1428 | { | |
0305960f MD |
1429 | int res; |
1430 | ||
9b33aac4 | 1431 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 1432 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1433 | estack_ax_v = res; |
53569322 | 1434 | estack_ax_t = REG_S64; |
dbea82ec MD |
1435 | next_pc += sizeof(struct binary_op); |
1436 | PO; | |
1437 | } | |
1438 | ||
1439 | /* Mixed S64-double binary comparators */ | |
1440 | OP(FILTER_OP_EQ_DOUBLE_S64): | |
1441 | { | |
1442 | int res; | |
1443 | ||
9b33aac4 | 1444 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
53569322 | 1445 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1446 | estack_ax_v = res; |
53569322 | 1447 | estack_ax_t = REG_S64; |
dbea82ec MD |
1448 | next_pc += sizeof(struct binary_op); |
1449 | PO; | |
1450 | } | |
1451 | OP(FILTER_OP_NE_DOUBLE_S64): | |
1452 | { | |
1453 | int res; | |
1454 | ||
9b33aac4 | 1455 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
53569322 | 1456 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1457 | estack_ax_v = res; |
53569322 | 1458 | estack_ax_t = REG_S64; |
dbea82ec MD |
1459 | next_pc += sizeof(struct binary_op); |
1460 | PO; | |
1461 | } | |
1462 | OP(FILTER_OP_GT_DOUBLE_S64): | |
1463 | { | |
1464 | int res; | |
1465 | ||
9b33aac4 | 1466 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
53569322 | 1467 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1468 | estack_ax_v = res; |
53569322 | 1469 | estack_ax_t = REG_S64; |
dbea82ec MD |
1470 | next_pc += sizeof(struct binary_op); |
1471 | PO; | |
1472 | } | |
1473 | OP(FILTER_OP_LT_DOUBLE_S64): | |
1474 | { | |
1475 | int res; | |
1476 | ||
9b33aac4 | 1477 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 1478 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1479 | estack_ax_v = res; |
53569322 | 1480 | estack_ax_t = REG_S64; |
dbea82ec MD |
1481 | next_pc += sizeof(struct binary_op); |
1482 | PO; | |
1483 | } | |
1484 | OP(FILTER_OP_GE_DOUBLE_S64): | |
1485 | { | |
1486 | int res; | |
1487 | ||
9b33aac4 | 1488 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 1489 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1490 | estack_ax_v = res; |
53569322 | 1491 | estack_ax_t = REG_S64; |
dbea82ec MD |
1492 | next_pc += sizeof(struct binary_op); |
1493 | PO; | |
1494 | } | |
1495 | OP(FILTER_OP_LE_DOUBLE_S64): | |
1496 | { | |
1497 | int res; | |
1498 | ||
9b33aac4 | 1499 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 1500 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1501 | estack_ax_v = res; |
53569322 | 1502 | estack_ax_t = REG_S64; |
dbea82ec MD |
1503 | next_pc += sizeof(struct binary_op); |
1504 | PO; | |
1505 | } | |
1506 | ||
1507 | OP(FILTER_OP_EQ_S64_DOUBLE): | |
1508 | { | |
1509 | int res; | |
1510 | ||
9b33aac4 | 1511 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 1512 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1513 | estack_ax_v = res; |
53569322 | 1514 | estack_ax_t = REG_S64; |
dbea82ec MD |
1515 | next_pc += sizeof(struct binary_op); |
1516 | PO; | |
1517 | } | |
1518 | OP(FILTER_OP_NE_S64_DOUBLE): | |
1519 | { | |
1520 | int res; | |
1521 | ||
9b33aac4 | 1522 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 1523 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1524 | estack_ax_v = res; |
53569322 | 1525 | estack_ax_t = REG_S64; |
dbea82ec MD |
1526 | next_pc += sizeof(struct binary_op); |
1527 | PO; | |
1528 | } | |
1529 | OP(FILTER_OP_GT_S64_DOUBLE): | |
1530 | { | |
1531 | int res; | |
1532 | ||
9b33aac4 | 1533 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 1534 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1535 | estack_ax_v = res; |
53569322 | 1536 | estack_ax_t = REG_S64; |
dbea82ec MD |
1537 | next_pc += sizeof(struct binary_op); |
1538 | PO; | |
1539 | } | |
1540 | OP(FILTER_OP_LT_S64_DOUBLE): | |
1541 | { | |
1542 | int res; | |
1543 | ||
9b33aac4 | 1544 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 1545 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1546 | estack_ax_v = res; |
53569322 | 1547 | estack_ax_t = REG_S64; |
dbea82ec MD |
1548 | next_pc += sizeof(struct binary_op); |
1549 | PO; | |
1550 | } | |
1551 | OP(FILTER_OP_GE_S64_DOUBLE): | |
1552 | { | |
1553 | int res; | |
1554 | ||
9b33aac4 | 1555 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 1556 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1557 | estack_ax_v = res; |
53569322 | 1558 | estack_ax_t = REG_S64; |
dbea82ec MD |
1559 | next_pc += sizeof(struct binary_op); |
1560 | PO; | |
1561 | } | |
1562 | OP(FILTER_OP_LE_S64_DOUBLE): | |
1563 | { | |
1564 | int res; | |
1565 | ||
9b33aac4 | 1566 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1567 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1568 | estack_ax_v = res; |
53569322 | 1569 | estack_ax_t = REG_S64; |
97b58163 MD |
1570 | next_pc += sizeof(struct binary_op); |
1571 | PO; | |
1572 | } | |
0039e2d8 MD |
1573 | OP(FILTER_OP_BIT_RSHIFT): |
1574 | { | |
1575 | int64_t res; | |
1576 | ||
1577 | /* Dynamic typing. */ | |
1578 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1579 | ret = -EINVAL; | |
1580 | goto end; | |
1581 | } | |
3703f1d2 MD |
1582 | /* Catch undefined behavior. */ |
1583 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1584 | ret = -EINVAL; | |
1585 | goto end; | |
1586 | } | |
4e8f9a89 | 1587 | res = ((uint64_t) estack_bx_v >> (uint32_t) estack_ax_v); |
0039e2d8 MD |
1588 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1589 | estack_ax_v = res; | |
1590 | estack_ax_t = REG_S64; | |
1591 | next_pc += sizeof(struct binary_op); | |
1592 | PO; | |
1593 | } | |
1594 | OP(FILTER_OP_BIT_LSHIFT): | |
1595 | { | |
1596 | int64_t res; | |
1597 | ||
1598 | /* Dynamic typing. */ | |
1599 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1600 | ret = -EINVAL; | |
1601 | goto end; | |
1602 | } | |
3703f1d2 MD |
1603 | /* Catch undefined behavior. */ |
1604 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1605 | ret = -EINVAL; | |
1606 | goto end; | |
1607 | } | |
4e8f9a89 | 1608 | res = ((uint64_t) estack_bx_v << (uint32_t) estack_ax_v); |
0039e2d8 MD |
1609 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1610 | estack_ax_v = res; | |
1611 | estack_ax_t = REG_S64; | |
1612 | next_pc += sizeof(struct binary_op); | |
1613 | PO; | |
1614 | } | |
47e5f13e MD |
1615 | OP(FILTER_OP_BIT_AND): |
1616 | { | |
1617 | int64_t res; | |
1618 | ||
1619 | /* Dynamic typing. */ | |
1620 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1621 | ret = -EINVAL; | |
1622 | goto end; | |
1623 | } | |
1624 | ||
4e8f9a89 | 1625 | res = ((uint64_t) estack_bx_v & (uint64_t) estack_ax_v); |
47e5f13e MD |
1626 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1627 | estack_ax_v = res; | |
1628 | estack_ax_t = REG_S64; | |
1629 | next_pc += sizeof(struct binary_op); | |
1630 | PO; | |
1631 | } | |
1632 | OP(FILTER_OP_BIT_OR): | |
1633 | { | |
1634 | int64_t res; | |
1635 | ||
1636 | /* Dynamic typing. */ | |
1637 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1638 | ret = -EINVAL; | |
1639 | goto end; | |
1640 | } | |
1641 | ||
4e8f9a89 | 1642 | res = ((uint64_t) estack_bx_v | (uint64_t) estack_ax_v); |
47e5f13e MD |
1643 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1644 | estack_ax_v = res; | |
1645 | estack_ax_t = REG_S64; | |
1646 | next_pc += sizeof(struct binary_op); | |
1647 | PO; | |
1648 | } | |
1649 | OP(FILTER_OP_BIT_XOR): | |
1650 | { | |
1651 | int64_t res; | |
1652 | ||
1653 | /* Dynamic typing. */ | |
1654 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1655 | ret = -EINVAL; | |
1656 | goto end; | |
1657 | } | |
1658 | ||
4e8f9a89 | 1659 | res = ((uint64_t) estack_bx_v ^ (uint64_t) estack_ax_v); |
47e5f13e MD |
1660 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1661 | estack_ax_v = res; | |
1662 | estack_ax_t = REG_S64; | |
1663 | next_pc += sizeof(struct binary_op); | |
1664 | PO; | |
1665 | } | |
97b58163 MD |
1666 | |
1667 | /* unary */ | |
1668 | OP(FILTER_OP_UNARY_PLUS): | |
53569322 MD |
1669 | { |
1670 | /* Dynamic typing. */ | |
1671 | switch (estack_ax_t) { | |
1672 | case REG_S64: /* Fall-through. */ | |
1673 | JUMP_TO(FILTER_OP_UNARY_PLUS_S64); | |
1674 | case REG_DOUBLE: | |
1675 | JUMP_TO(FILTER_OP_UNARY_PLUS_DOUBLE); | |
3151a51d PP |
1676 | case REG_STRING: /* Fall-through */ |
1677 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1678 | ret = -EINVAL; |
1679 | goto end; | |
1680 | default: | |
1681 | ERR("Unknown filter register type (%d)", | |
1682 | (int) estack_ax_t); | |
1683 | ret = -EINVAL; | |
1684 | goto end; | |
1685 | } | |
1686 | } | |
97b58163 | 1687 | OP(FILTER_OP_UNARY_MINUS): |
53569322 MD |
1688 | { |
1689 | /* Dynamic typing. */ | |
1690 | switch (estack_ax_t) { | |
1691 | case REG_S64: | |
1692 | JUMP_TO(FILTER_OP_UNARY_MINUS_S64); | |
1693 | case REG_DOUBLE: | |
1694 | JUMP_TO(FILTER_OP_UNARY_MINUS_DOUBLE); | |
3151a51d PP |
1695 | case REG_STRING: /* Fall-through */ |
1696 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1697 | ret = -EINVAL; |
1698 | goto end; | |
1699 | default: | |
1700 | ERR("Unknown filter register type (%d)", | |
1701 | (int) estack_ax_t); | |
1702 | ret = -EINVAL; | |
1703 | goto end; | |
1704 | } | |
1705 | } | |
97b58163 | 1706 | OP(FILTER_OP_UNARY_NOT): |
53569322 MD |
1707 | { |
1708 | /* Dynamic typing. */ | |
1709 | switch (estack_ax_t) { | |
1710 | case REG_S64: | |
1711 | JUMP_TO(FILTER_OP_UNARY_NOT_S64); | |
1712 | case REG_DOUBLE: | |
1713 | JUMP_TO(FILTER_OP_UNARY_NOT_DOUBLE); | |
3151a51d PP |
1714 | case REG_STRING: /* Fall-through */ |
1715 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1716 | ret = -EINVAL; |
1717 | goto end; | |
1718 | default: | |
1719 | ERR("Unknown filter register type (%d)", | |
1720 | (int) estack_ax_t); | |
1721 | ret = -EINVAL; | |
1722 | goto end; | |
1723 | } | |
1724 | next_pc += sizeof(struct unary_op); | |
1725 | PO; | |
1726 | } | |
97b58163 | 1727 | |
0039e2d8 MD |
1728 | OP(FILTER_OP_UNARY_BIT_NOT): |
1729 | { | |
1730 | /* Dynamic typing. */ | |
1731 | if (estack_ax_t != REG_S64) { | |
1732 | ret = -EINVAL; | |
1733 | goto end; | |
1734 | } | |
1735 | ||
4e8f9a89 | 1736 | estack_ax_v = ~(uint64_t) estack_ax_v; |
0039e2d8 MD |
1737 | next_pc += sizeof(struct unary_op); |
1738 | PO; | |
1739 | } | |
1740 | ||
97b58163 MD |
1741 | OP(FILTER_OP_UNARY_PLUS_S64): |
1742 | OP(FILTER_OP_UNARY_PLUS_DOUBLE): | |
1743 | { | |
1744 | next_pc += sizeof(struct unary_op); | |
1745 | PO; | |
1746 | } | |
1747 | OP(FILTER_OP_UNARY_MINUS_S64): | |
1748 | { | |
9b33aac4 | 1749 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1750 | next_pc += sizeof(struct unary_op); |
1751 | PO; | |
1752 | } | |
1753 | OP(FILTER_OP_UNARY_MINUS_DOUBLE): | |
1754 | { | |
9b33aac4 | 1755 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1756 | next_pc += sizeof(struct unary_op); |
1757 | PO; | |
1758 | } | |
1759 | OP(FILTER_OP_UNARY_NOT_S64): | |
1760 | { | |
9b33aac4 | 1761 | estack_ax_v = !estack_ax_v; |
97b58163 MD |
1762 | next_pc += sizeof(struct unary_op); |
1763 | PO; | |
1764 | } | |
1765 | OP(FILTER_OP_UNARY_NOT_DOUBLE): | |
1766 | { | |
53569322 MD |
1767 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1768 | estack_ax_t = REG_S64; | |
97b58163 MD |
1769 | next_pc += sizeof(struct unary_op); |
1770 | PO; | |
1771 | } | |
1772 | ||
1773 | /* logical */ | |
1774 | OP(FILTER_OP_AND): | |
1775 | { | |
1776 | struct logical_op *insn = (struct logical_op *) pc; | |
1777 | ||
53569322 MD |
1778 | if (estack_ax_t != REG_S64) { |
1779 | ret = -EINVAL; | |
1780 | goto end; | |
1781 | } | |
0305960f | 1782 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1783 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1784 | dbg_printf("Jumping to bytecode offset %u\n", |
1785 | (unsigned int) insn->skip_offset); | |
1786 | next_pc = start_pc + insn->skip_offset; | |
1787 | } else { | |
71c1ceeb | 1788 | /* Pop 1 when jump not taken */ |
53569322 | 1789 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1790 | next_pc += sizeof(struct logical_op); |
1791 | } | |
1792 | PO; | |
1793 | } | |
1794 | OP(FILTER_OP_OR): | |
1795 | { | |
1796 | struct logical_op *insn = (struct logical_op *) pc; | |
1797 | ||
53569322 MD |
1798 | if (estack_ax_t != REG_S64) { |
1799 | ret = -EINVAL; | |
1800 | goto end; | |
1801 | } | |
0305960f | 1802 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1803 | if (unlikely(estack_ax_v != 0)) { |
1804 | estack_ax_v = 1; | |
97b58163 MD |
1805 | dbg_printf("Jumping to bytecode offset %u\n", |
1806 | (unsigned int) insn->skip_offset); | |
1807 | next_pc = start_pc + insn->skip_offset; | |
1808 | } else { | |
71c1ceeb | 1809 | /* Pop 1 when jump not taken */ |
53569322 | 1810 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1811 | next_pc += sizeof(struct logical_op); |
1812 | } | |
1813 | PO; | |
1814 | } | |
1815 | ||
1816 | ||
77aa5901 | 1817 | /* load field ref */ |
97b58163 MD |
1818 | OP(FILTER_OP_LOAD_FIELD_REF_STRING): |
1819 | { | |
1820 | struct load_op *insn = (struct load_op *) pc; | |
1821 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1822 | ||
1823 | dbg_printf("load field ref offset %u type string\n", | |
1824 | ref->offset); | |
53569322 | 1825 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1826 | estack_ax(stack, top)->u.s.str = |
97b58163 | 1827 | *(const char * const *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1828 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1829 | dbg_printf("Filter warning: loading a NULL string.\n"); |
1830 | ret = -EINVAL; | |
1831 | goto end; | |
1832 | } | |
a63d0dc8 | 1833 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1834 | estack_ax(stack, top)->u.s.literal_type = |
1835 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 1836 | estack_ax_t = REG_STRING; |
9b33aac4 | 1837 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1838 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1839 | PO; | |
1840 | } | |
1841 | ||
1842 | OP(FILTER_OP_LOAD_FIELD_REF_SEQUENCE): | |
1843 | { | |
1844 | struct load_op *insn = (struct load_op *) pc; | |
1845 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1846 | ||
1847 | dbg_printf("load field ref offset %u type sequence\n", | |
1848 | ref->offset); | |
53569322 | 1849 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1850 | estack_ax(stack, top)->u.s.seq_len = |
97b58163 | 1851 | *(unsigned long *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1852 | estack_ax(stack, top)->u.s.str = |
97b58163 MD |
1853 | *(const char **) (&filter_stack_data[ref->offset |
1854 | + sizeof(unsigned long)]); | |
53569322 | 1855 | estack_ax_t = REG_STRING; |
9b33aac4 | 1856 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1857 | dbg_printf("Filter warning: loading a NULL sequence.\n"); |
1858 | ret = -EINVAL; | |
1859 | goto end; | |
1860 | } | |
3151a51d PP |
1861 | estack_ax(stack, top)->u.s.literal_type = |
1862 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
97b58163 MD |
1863 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1864 | PO; | |
1865 | } | |
1866 | ||
1867 | OP(FILTER_OP_LOAD_FIELD_REF_S64): | |
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 s64\n", | |
1873 | ref->offset); | |
53569322 | 1874 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 MD |
1875 | estack_ax_v = |
1876 | ((struct literal_numeric *) &filter_stack_data[ref->offset])->v; | |
53569322 | 1877 | estack_ax_t = REG_S64; |
9b33aac4 | 1878 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1879 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1880 | PO; | |
1881 | } | |
1882 | ||
1883 | OP(FILTER_OP_LOAD_FIELD_REF_DOUBLE): | |
1884 | { | |
1885 | struct load_op *insn = (struct load_op *) pc; | |
1886 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1887 | ||
1888 | dbg_printf("load field ref offset %u type double\n", | |
1889 | ref->offset); | |
53569322 | 1890 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1891 | memcpy(&estack_ax(stack, top)->u.d, &filter_stack_data[ref->offset], |
97b58163 | 1892 | sizeof(struct literal_double)); |
53569322 | 1893 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 1894 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
1895 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1896 | PO; | |
1897 | } | |
1898 | ||
77aa5901 | 1899 | /* load from immediate operand */ |
97b58163 MD |
1900 | OP(FILTER_OP_LOAD_STRING): |
1901 | { | |
1902 | struct load_op *insn = (struct load_op *) pc; | |
1903 | ||
1904 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 1905 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1906 | estack_ax(stack, top)->u.s.str = insn->data; |
a63d0dc8 | 1907 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1908 | estack_ax(stack, top)->u.s.literal_type = |
1909 | ESTACK_STRING_LITERAL_TYPE_PLAIN; | |
53569322 | 1910 | estack_ax_t = REG_STRING; |
97b58163 MD |
1911 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
1912 | PO; | |
1913 | } | |
1914 | ||
3151a51d PP |
1915 | OP(FILTER_OP_LOAD_STAR_GLOB_STRING): |
1916 | { | |
1917 | struct load_op *insn = (struct load_op *) pc; | |
1918 | ||
1919 | dbg_printf("load globbing pattern %s\n", insn->data); | |
1920 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
1921 | estack_ax(stack, top)->u.s.str = insn->data; | |
a63d0dc8 | 1922 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1923 | estack_ax(stack, top)->u.s.literal_type = |
1924 | ESTACK_STRING_LITERAL_TYPE_STAR_GLOB; | |
1925 | estack_ax_t = REG_STAR_GLOB_STRING; | |
1926 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
1927 | PO; | |
1928 | } | |
1929 | ||
97b58163 MD |
1930 | OP(FILTER_OP_LOAD_S64): |
1931 | { | |
1932 | struct load_op *insn = (struct load_op *) pc; | |
1933 | ||
53569322 | 1934 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1935 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 1936 | estack_ax_t = REG_S64; |
9b33aac4 | 1937 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1938 | next_pc += sizeof(struct load_op) |
1939 | + sizeof(struct literal_numeric); | |
1940 | PO; | |
1941 | } | |
1942 | ||
1943 | OP(FILTER_OP_LOAD_DOUBLE): | |
1944 | { | |
1945 | struct load_op *insn = (struct load_op *) pc; | |
1946 | ||
53569322 | 1947 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1948 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 1949 | sizeof(struct literal_double)); |
53569322 MD |
1950 | estack_ax_t = REG_DOUBLE; |
1951 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
1952 | next_pc += sizeof(struct load_op) |
1953 | + sizeof(struct literal_double); | |
1954 | PO; | |
1955 | } | |
1956 | ||
1957 | /* cast */ | |
1958 | OP(FILTER_OP_CAST_TO_S64): | |
53569322 MD |
1959 | { |
1960 | /* Dynamic typing. */ | |
1961 | switch (estack_ax_t) { | |
1962 | case REG_S64: | |
1963 | JUMP_TO(FILTER_OP_CAST_NOP); | |
1964 | case REG_DOUBLE: | |
1965 | JUMP_TO(FILTER_OP_CAST_DOUBLE_TO_S64); | |
3151a51d PP |
1966 | case REG_STRING: /* Fall-through */ |
1967 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1968 | ret = -EINVAL; |
1969 | goto end; | |
1970 | default: | |
1971 | ERR("Unknown filter register type (%d)", | |
1972 | (int) estack_ax_t); | |
1973 | ret = -EINVAL; | |
1974 | goto end; | |
1975 | } | |
1976 | } | |
97b58163 MD |
1977 | |
1978 | OP(FILTER_OP_CAST_DOUBLE_TO_S64): | |
1979 | { | |
9b33aac4 | 1980 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 1981 | estack_ax_t = REG_S64; |
97b58163 MD |
1982 | next_pc += sizeof(struct cast_op); |
1983 | PO; | |
1984 | } | |
1985 | ||
1986 | OP(FILTER_OP_CAST_NOP): | |
1987 | { | |
1988 | next_pc += sizeof(struct cast_op); | |
1989 | PO; | |
1990 | } | |
1991 | ||
77aa5901 | 1992 | /* get context ref */ |
53569322 MD |
1993 | OP(FILTER_OP_GET_CONTEXT_REF): |
1994 | { | |
1995 | struct load_op *insn = (struct load_op *) pc; | |
1996 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1997 | struct lttng_ctx *ctx; | |
1998 | struct lttng_ctx_field *ctx_field; | |
1999 | struct lttng_ctx_value v; | |
2000 | ||
2001 | dbg_printf("get context ref offset %u type dynamic\n", | |
2002 | ref->offset); | |
2003 | ctx = rcu_dereference(session->ctx); | |
2004 | ctx_field = &ctx->fields[ref->offset]; | |
2005 | ctx_field->get_value(ctx_field, &v); | |
2006 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2007 | switch (v.sel) { | |
2008 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
2009 | ret = -EINVAL; | |
2010 | goto end; | |
2011 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
2012 | estack_ax_v = v.u.s64; | |
2013 | estack_ax_t = REG_S64; | |
2014 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
2015 | break; | |
2016 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
2017 | estack_ax(stack, top)->u.d = v.u.d; | |
2018 | estack_ax_t = REG_DOUBLE; | |
2019 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
2020 | break; | |
2021 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
2022 | estack_ax(stack, top)->u.s.str = v.u.str; | |
2023 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2024 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2025 | ret = -EINVAL; | |
2026 | goto end; | |
2027 | } | |
a63d0dc8 | 2028 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2029 | estack_ax(stack, top)->u.s.literal_type = |
2030 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 MD |
2031 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); |
2032 | estack_ax_t = REG_STRING; | |
2033 | break; | |
2034 | default: | |
2035 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
2036 | ret = -EINVAL; | |
2037 | goto end; | |
2038 | } | |
2039 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2040 | PO; | |
2041 | } | |
2042 | ||
77aa5901 MD |
2043 | OP(FILTER_OP_GET_CONTEXT_REF_STRING): |
2044 | { | |
2045 | struct load_op *insn = (struct load_op *) pc; | |
2046 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 2047 | struct lttng_ctx *ctx; |
77aa5901 | 2048 | struct lttng_ctx_field *ctx_field; |
53569322 | 2049 | struct lttng_ctx_value v; |
77aa5901 MD |
2050 | |
2051 | dbg_printf("get context ref offset %u type string\n", | |
2052 | ref->offset); | |
53569322 MD |
2053 | ctx = rcu_dereference(session->ctx); |
2054 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 2055 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2056 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2057 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 MD |
2058 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
2059 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2060 | ret = -EINVAL; | |
2061 | goto end; | |
2062 | } | |
a63d0dc8 | 2063 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2064 | estack_ax(stack, top)->u.s.literal_type = |
2065 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2066 | estack_ax_t = REG_STRING; |
77aa5901 MD |
2067 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
2068 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2069 | PO; | |
2070 | } | |
2071 | ||
2072 | OP(FILTER_OP_GET_CONTEXT_REF_S64): | |
2073 | { | |
2074 | struct load_op *insn = (struct load_op *) pc; | |
2075 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 2076 | struct lttng_ctx *ctx; |
77aa5901 | 2077 | struct lttng_ctx_field *ctx_field; |
53569322 | 2078 | struct lttng_ctx_value v; |
77aa5901 MD |
2079 | |
2080 | dbg_printf("get context ref offset %u type s64\n", | |
2081 | ref->offset); | |
53569322 MD |
2082 | ctx = rcu_dereference(session->ctx); |
2083 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 2084 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2085 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2086 | estack_ax_v = v.u.s64; | |
2087 | estack_ax_t = REG_S64; | |
77aa5901 MD |
2088 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
2089 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2090 | PO; | |
2091 | } | |
2092 | ||
2093 | OP(FILTER_OP_GET_CONTEXT_REF_DOUBLE): | |
2094 | { | |
2095 | struct load_op *insn = (struct load_op *) pc; | |
2096 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 2097 | struct lttng_ctx *ctx; |
77aa5901 | 2098 | struct lttng_ctx_field *ctx_field; |
53569322 | 2099 | struct lttng_ctx_value v; |
77aa5901 MD |
2100 | |
2101 | dbg_printf("get context ref offset %u type double\n", | |
2102 | ref->offset); | |
53569322 MD |
2103 | ctx = rcu_dereference(session->ctx); |
2104 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 2105 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2106 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2107 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
2108 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
2109 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
2110 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2111 | PO; | |
2112 | } | |
2113 | ||
47e5f13e MD |
2114 | OP(FILTER_OP_GET_CONTEXT_ROOT): |
2115 | { | |
2116 | dbg_printf("op get context root\n"); | |
2117 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2118 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_CONTEXT; | |
2119 | /* "field" only needed for variants. */ | |
2120 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2121 | estack_ax_t = REG_PTR; | |
2122 | next_pc += sizeof(struct load_op); | |
2123 | PO; | |
2124 | } | |
2125 | ||
2126 | OP(FILTER_OP_GET_APP_CONTEXT_ROOT): | |
2127 | { | |
2128 | dbg_printf("op get app context root\n"); | |
2129 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2130 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_APP_CONTEXT; | |
2131 | /* "field" only needed for variants. */ | |
2132 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2133 | estack_ax_t = REG_PTR; | |
2134 | next_pc += sizeof(struct load_op); | |
2135 | PO; | |
2136 | } | |
2137 | ||
2138 | OP(FILTER_OP_GET_PAYLOAD_ROOT): | |
2139 | { | |
2140 | dbg_printf("op get app payload root\n"); | |
2141 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2142 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_PAYLOAD; | |
2143 | estack_ax(stack, top)->u.ptr.ptr = filter_stack_data; | |
2144 | /* "field" only needed for variants. */ | |
2145 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2146 | estack_ax_t = REG_PTR; | |
2147 | next_pc += sizeof(struct load_op); | |
2148 | PO; | |
2149 | } | |
2150 | ||
2151 | OP(FILTER_OP_GET_SYMBOL): | |
2152 | { | |
2153 | dbg_printf("op get symbol\n"); | |
2154 | switch (estack_ax(stack, top)->u.ptr.type) { | |
2155 | case LOAD_OBJECT: | |
2156 | ERR("Nested fields not implemented yet."); | |
2157 | ret = -EINVAL; | |
2158 | goto end; | |
2159 | case LOAD_ROOT_CONTEXT: | |
2160 | case LOAD_ROOT_APP_CONTEXT: | |
2161 | case LOAD_ROOT_PAYLOAD: | |
2162 | /* | |
2163 | * symbol lookup is performed by | |
2164 | * specialization. | |
2165 | */ | |
2166 | ret = -EINVAL; | |
2167 | goto end; | |
2168 | } | |
2169 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
2170 | PO; | |
2171 | } | |
2172 | ||
2173 | OP(FILTER_OP_GET_SYMBOL_FIELD): | |
2174 | { | |
2175 | /* | |
2176 | * Used for first variant encountered in a | |
2177 | * traversal. Variants are not implemented yet. | |
2178 | */ | |
2179 | ret = -EINVAL; | |
2180 | goto end; | |
2181 | } | |
2182 | ||
2183 | OP(FILTER_OP_GET_INDEX_U16): | |
2184 | { | |
2185 | struct load_op *insn = (struct load_op *) pc; | |
2186 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
2187 | ||
2188 | dbg_printf("op get index u16\n"); | |
2189 | ret = dynamic_get_index(session, bytecode, index->index, estack_ax(stack, top)); | |
2190 | if (ret) | |
2191 | goto end; | |
2192 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2193 | estack_ax_t = estack_ax(stack, top)->type; | |
2194 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
2195 | PO; | |
2196 | } | |
2197 | ||
2198 | OP(FILTER_OP_GET_INDEX_U64): | |
2199 | { | |
2200 | struct load_op *insn = (struct load_op *) pc; | |
2201 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
2202 | ||
2203 | dbg_printf("op get index u64\n"); | |
2204 | ret = dynamic_get_index(session, bytecode, index->index, estack_ax(stack, top)); | |
2205 | if (ret) | |
2206 | goto end; | |
2207 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2208 | estack_ax_t = estack_ax(stack, top)->type; | |
2209 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
2210 | PO; | |
2211 | } | |
2212 | ||
2213 | OP(FILTER_OP_LOAD_FIELD): | |
2214 | { | |
2215 | dbg_printf("op load field\n"); | |
2216 | ret = dynamic_load_field(estack_ax(stack, top)); | |
2217 | if (ret) | |
2218 | goto end; | |
2219 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2220 | estack_ax_t = estack_ax(stack, top)->type; | |
2221 | next_pc += sizeof(struct load_op); | |
2222 | PO; | |
2223 | } | |
2224 | ||
2225 | OP(FILTER_OP_LOAD_FIELD_S8): | |
2226 | { | |
2227 | dbg_printf("op load field s8\n"); | |
2228 | ||
2229 | estack_ax_v = *(int8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2230 | estack_ax_t = REG_S64; | |
2231 | next_pc += sizeof(struct load_op); | |
2232 | PO; | |
2233 | } | |
2234 | OP(FILTER_OP_LOAD_FIELD_S16): | |
2235 | { | |
2236 | dbg_printf("op load field s16\n"); | |
2237 | ||
2238 | estack_ax_v = *(int16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2239 | estack_ax_t = REG_S64; | |
2240 | next_pc += sizeof(struct load_op); | |
2241 | PO; | |
2242 | } | |
2243 | OP(FILTER_OP_LOAD_FIELD_S32): | |
2244 | { | |
2245 | dbg_printf("op load field s32\n"); | |
2246 | ||
2247 | estack_ax_v = *(int32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2248 | estack_ax_t = REG_S64; | |
2249 | next_pc += sizeof(struct load_op); | |
2250 | PO; | |
2251 | } | |
2252 | OP(FILTER_OP_LOAD_FIELD_S64): | |
2253 | { | |
2254 | dbg_printf("op load field s64\n"); | |
2255 | ||
2256 | estack_ax_v = *(int64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2257 | estack_ax_t = REG_S64; | |
2258 | next_pc += sizeof(struct load_op); | |
2259 | PO; | |
2260 | } | |
2261 | OP(FILTER_OP_LOAD_FIELD_U8): | |
2262 | { | |
2263 | dbg_printf("op load field u8\n"); | |
2264 | ||
2265 | estack_ax_v = *(uint8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2266 | estack_ax_t = REG_S64; | |
2267 | next_pc += sizeof(struct load_op); | |
2268 | PO; | |
2269 | } | |
2270 | OP(FILTER_OP_LOAD_FIELD_U16): | |
2271 | { | |
2272 | dbg_printf("op load field u16\n"); | |
2273 | ||
2274 | estack_ax_v = *(uint16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2275 | estack_ax_t = REG_S64; | |
2276 | next_pc += sizeof(struct load_op); | |
2277 | PO; | |
2278 | } | |
2279 | OP(FILTER_OP_LOAD_FIELD_U32): | |
2280 | { | |
2281 | dbg_printf("op load field u32\n"); | |
2282 | ||
2283 | estack_ax_v = *(uint32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2284 | estack_ax_t = REG_S64; | |
2285 | next_pc += sizeof(struct load_op); | |
2286 | PO; | |
2287 | } | |
2288 | OP(FILTER_OP_LOAD_FIELD_U64): | |
2289 | { | |
2290 | dbg_printf("op load field u64\n"); | |
2291 | ||
2292 | estack_ax_v = *(uint64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2293 | estack_ax_t = REG_S64; | |
2294 | next_pc += sizeof(struct load_op); | |
2295 | PO; | |
2296 | } | |
2297 | OP(FILTER_OP_LOAD_FIELD_DOUBLE): | |
2298 | { | |
2299 | dbg_printf("op load field double\n"); | |
2300 | ||
2301 | memcpy(&estack_ax(stack, top)->u.d, | |
2302 | estack_ax(stack, top)->u.ptr.ptr, | |
2303 | sizeof(struct literal_double)); | |
2304 | estack_ax(stack, top)->type = REG_DOUBLE; | |
2305 | next_pc += sizeof(struct load_op); | |
2306 | PO; | |
2307 | } | |
2308 | ||
2309 | OP(FILTER_OP_LOAD_FIELD_STRING): | |
2310 | { | |
2311 | const char *str; | |
2312 | ||
2313 | dbg_printf("op load field string\n"); | |
2314 | str = (const char *) estack_ax(stack, top)->u.ptr.ptr; | |
2315 | estack_ax(stack, top)->u.s.str = str; | |
2316 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2317 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2318 | ret = -EINVAL; | |
2319 | goto end; | |
2320 | } | |
2321 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; | |
2322 | estack_ax(stack, top)->u.s.literal_type = | |
2323 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2324 | estack_ax(stack, top)->type = REG_STRING; | |
2325 | next_pc += sizeof(struct load_op); | |
2326 | PO; | |
2327 | } | |
2328 | ||
2329 | OP(FILTER_OP_LOAD_FIELD_SEQUENCE): | |
2330 | { | |
2331 | const char *ptr; | |
2332 | ||
2333 | dbg_printf("op load field string sequence\n"); | |
2334 | ptr = estack_ax(stack, top)->u.ptr.ptr; | |
2335 | estack_ax(stack, top)->u.s.seq_len = *(unsigned long *) ptr; | |
2336 | estack_ax(stack, top)->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
2337 | estack_ax(stack, top)->type = REG_STRING; | |
2338 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2339 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
2340 | ret = -EINVAL; | |
2341 | goto end; | |
2342 | } | |
2343 | estack_ax(stack, top)->u.s.literal_type = | |
2344 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2345 | next_pc += sizeof(struct load_op); | |
2346 | PO; | |
2347 | } | |
2348 | ||
97b58163 MD |
2349 | END_OP |
2350 | end: | |
2351 | /* return 0 (discard) on error */ | |
2352 | if (ret) | |
2353 | return 0; | |
2354 | return retval; | |
2355 | } | |
2356 | ||
2357 | #undef START_OP | |
2358 | #undef OP | |
2359 | #undef PO | |
2360 | #undef END_OP |