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> |
3208818b | 31 | #include <lttng/ust-endian.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 | { | |
4526ba69 | 167 | return LTTNG_FILTER_DISCARD; |
97b58163 MD |
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 | ||
d97f9b78 MD |
223 | #define IS_INTEGER_REGISTER(reg_type) \ |
224 | (reg_type == REG_U64 || reg_type == REG_S64) | |
225 | ||
47e5f13e MD |
226 | static int context_get_index(struct lttng_ctx *ctx, |
227 | struct load_ptr *ptr, | |
228 | uint32_t idx) | |
229 | { | |
230 | ||
231 | struct lttng_ctx_field *ctx_field; | |
232 | struct lttng_event_field *field; | |
233 | struct lttng_ctx_value v; | |
234 | ||
235 | ctx_field = &ctx->fields[idx]; | |
236 | field = &ctx_field->event_field; | |
237 | ptr->type = LOAD_OBJECT; | |
238 | /* field is only used for types nested within variants. */ | |
239 | ptr->field = NULL; | |
240 | ||
241 | switch (field->type.atype) { | |
242 | case atype_integer: | |
243 | ctx_field->get_value(ctx_field, &v); | |
218deb69 | 244 | if (field->type.u.integer.signedness) { |
47e5f13e MD |
245 | ptr->object_type = OBJECT_TYPE_S64; |
246 | ptr->u.s64 = v.u.s64; | |
247 | ptr->ptr = &ptr->u.s64; | |
248 | } else { | |
249 | ptr->object_type = OBJECT_TYPE_U64; | |
250 | ptr->u.u64 = v.u.s64; /* Cast. */ | |
251 | ptr->ptr = &ptr->u.u64; | |
252 | } | |
253 | break; | |
218deb69 MD |
254 | case atype_enum: /* Fall-through */ |
255 | case atype_enum_nestable: | |
47e5f13e | 256 | { |
218deb69 | 257 | const struct lttng_integer_type *itype; |
47e5f13e | 258 | |
218deb69 MD |
259 | if (field->type.atype == atype_enum) { |
260 | itype = &field->type.u.legacy.basic.enumeration.container_type; | |
261 | } else { | |
262 | itype = &field->type.u.enum_nestable.container_type->u.integer; | |
263 | } | |
47e5f13e MD |
264 | ctx_field->get_value(ctx_field, &v); |
265 | if (itype->signedness) { | |
266 | ptr->object_type = OBJECT_TYPE_S64; | |
267 | ptr->u.s64 = v.u.s64; | |
268 | ptr->ptr = &ptr->u.s64; | |
269 | } else { | |
270 | ptr->object_type = OBJECT_TYPE_U64; | |
271 | ptr->u.u64 = v.u.s64; /* Cast. */ | |
272 | ptr->ptr = &ptr->u.u64; | |
273 | } | |
274 | break; | |
275 | } | |
276 | case atype_array: | |
218deb69 MD |
277 | if (field->type.u.legacy.array.elem_type.atype != atype_integer) { |
278 | ERR("Array nesting only supports integer types."); | |
279 | return -EINVAL; | |
280 | } | |
281 | if (field->type.u.legacy.array.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
282 | ERR("Only string arrays are supported for contexts."); | |
283 | return -EINVAL; | |
284 | } | |
285 | ptr->object_type = OBJECT_TYPE_STRING; | |
286 | ctx_field->get_value(ctx_field, &v); | |
287 | ptr->ptr = v.u.str; | |
288 | break; | |
289 | case atype_array_nestable: | |
290 | if (field->type.u.array_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
291 | ERR("Array nesting only supports integer types."); |
292 | return -EINVAL; | |
293 | } | |
218deb69 | 294 | if (field->type.u.array_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
295 | ERR("Only string arrays are supported for contexts."); |
296 | return -EINVAL; | |
297 | } | |
298 | ptr->object_type = OBJECT_TYPE_STRING; | |
299 | ctx_field->get_value(ctx_field, &v); | |
300 | ptr->ptr = v.u.str; | |
301 | break; | |
302 | case atype_sequence: | |
218deb69 MD |
303 | if (field->type.u.legacy.sequence.elem_type.atype != atype_integer) { |
304 | ERR("Sequence nesting only supports integer types."); | |
305 | return -EINVAL; | |
306 | } | |
307 | if (field->type.u.legacy.sequence.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
308 | ERR("Only string sequences are supported for contexts."); | |
309 | return -EINVAL; | |
310 | } | |
311 | ptr->object_type = OBJECT_TYPE_STRING; | |
312 | ctx_field->get_value(ctx_field, &v); | |
313 | ptr->ptr = v.u.str; | |
314 | break; | |
315 | case atype_sequence_nestable: | |
316 | if (field->type.u.sequence_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
317 | ERR("Sequence nesting only supports integer types."); |
318 | return -EINVAL; | |
319 | } | |
218deb69 | 320 | if (field->type.u.sequence_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
321 | ERR("Only string sequences are supported for contexts."); |
322 | return -EINVAL; | |
323 | } | |
324 | ptr->object_type = OBJECT_TYPE_STRING; | |
325 | ctx_field->get_value(ctx_field, &v); | |
326 | ptr->ptr = v.u.str; | |
327 | break; | |
328 | case atype_string: | |
329 | ptr->object_type = OBJECT_TYPE_STRING; | |
330 | ctx_field->get_value(ctx_field, &v); | |
331 | ptr->ptr = v.u.str; | |
332 | break; | |
333 | case atype_float: | |
334 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
0245c698 | 335 | ctx_field->get_value(ctx_field, &v); |
47e5f13e MD |
336 | ptr->u.d = v.u.d; |
337 | ptr->ptr = &ptr->u.d; | |
338 | break; | |
339 | case atype_dynamic: | |
340 | ctx_field->get_value(ctx_field, &v); | |
341 | switch (v.sel) { | |
342 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
343 | return -EINVAL; | |
344 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
345 | ptr->object_type = OBJECT_TYPE_S64; | |
346 | ptr->u.s64 = v.u.s64; | |
347 | ptr->ptr = &ptr->u.s64; | |
348 | dbg_printf("context get index dynamic s64 %" PRIi64 "\n", ptr->u.s64); | |
349 | break; | |
350 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
351 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
352 | ptr->u.d = v.u.d; | |
353 | ptr->ptr = &ptr->u.d; | |
354 | dbg_printf("context get index dynamic double %g\n", ptr->u.d); | |
355 | break; | |
356 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
357 | ptr->object_type = OBJECT_TYPE_STRING; | |
358 | ptr->ptr = v.u.str; | |
359 | dbg_printf("context get index dynamic string %s\n", (const char *) ptr->ptr); | |
360 | break; | |
361 | default: | |
362 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
363 | return -EINVAL; | |
364 | } | |
365 | break; | |
366 | case atype_struct: | |
367 | ERR("Structure type cannot be loaded."); | |
368 | return -EINVAL; | |
369 | default: | |
370 | ERR("Unknown type: %d", (int) field->type.atype); | |
371 | return -EINVAL; | |
372 | } | |
373 | return 0; | |
374 | } | |
375 | ||
b77aaa1b | 376 | static int dynamic_get_index(struct lttng_ctx *ctx, |
47e5f13e MD |
377 | struct bytecode_runtime *runtime, |
378 | uint64_t index, struct estack_entry *stack_top) | |
379 | { | |
380 | int ret; | |
381 | const struct filter_get_index_data *gid; | |
382 | ||
383 | /* | |
384 | * Types nested within variants need to perform dynamic lookup | |
385 | * based on the field descriptions. LTTng-UST does not implement | |
386 | * variants for now. | |
387 | */ | |
388 | if (stack_top->u.ptr.field) | |
389 | return -EINVAL; | |
390 | gid = (const struct filter_get_index_data *) &runtime->data[index]; | |
391 | switch (stack_top->u.ptr.type) { | |
392 | case LOAD_OBJECT: | |
393 | switch (stack_top->u.ptr.object_type) { | |
394 | case OBJECT_TYPE_ARRAY: | |
395 | { | |
396 | const char *ptr; | |
397 | ||
398 | assert(gid->offset < gid->array_len); | |
399 | /* Skip count (unsigned long) */ | |
400 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
401 | ptr = ptr + gid->offset; | |
402 | stack_top->u.ptr.ptr = ptr; | |
403 | stack_top->u.ptr.object_type = gid->elem.type; | |
404 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
405 | /* field is only used for types nested within variants. */ | |
406 | stack_top->u.ptr.field = NULL; | |
407 | break; | |
408 | } | |
409 | case OBJECT_TYPE_SEQUENCE: | |
410 | { | |
411 | const char *ptr; | |
412 | size_t ptr_seq_len; | |
413 | ||
414 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
415 | ptr_seq_len = *(unsigned long *) stack_top->u.ptr.ptr; | |
416 | if (gid->offset >= gid->elem.len * ptr_seq_len) { | |
417 | ret = -EINVAL; | |
418 | goto end; | |
419 | } | |
420 | ptr = ptr + gid->offset; | |
421 | stack_top->u.ptr.ptr = ptr; | |
422 | stack_top->u.ptr.object_type = gid->elem.type; | |
423 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
424 | /* field is only used for types nested within variants. */ | |
425 | stack_top->u.ptr.field = NULL; | |
426 | break; | |
427 | } | |
428 | case OBJECT_TYPE_STRUCT: | |
429 | ERR("Nested structures are not supported yet."); | |
430 | ret = -EINVAL; | |
431 | goto end; | |
432 | case OBJECT_TYPE_VARIANT: | |
433 | default: | |
434 | ERR("Unexpected get index type %d", | |
435 | (int) stack_top->u.ptr.object_type); | |
436 | ret = -EINVAL; | |
437 | goto end; | |
438 | } | |
439 | break; | |
440 | case LOAD_ROOT_CONTEXT: | |
441 | case LOAD_ROOT_APP_CONTEXT: /* Fall-through */ | |
442 | { | |
47e5f13e MD |
443 | ret = context_get_index(ctx, |
444 | &stack_top->u.ptr, | |
445 | gid->ctx_index); | |
446 | if (ret) { | |
447 | goto end; | |
448 | } | |
449 | break; | |
450 | } | |
451 | case LOAD_ROOT_PAYLOAD: | |
452 | stack_top->u.ptr.ptr += gid->offset; | |
453 | if (gid->elem.type == OBJECT_TYPE_STRING) | |
454 | stack_top->u.ptr.ptr = *(const char * const *) stack_top->u.ptr.ptr; | |
455 | stack_top->u.ptr.object_type = gid->elem.type; | |
456 | stack_top->u.ptr.type = LOAD_OBJECT; | |
457 | /* field is only used for types nested within variants. */ | |
458 | stack_top->u.ptr.field = NULL; | |
459 | break; | |
460 | } | |
461 | return 0; | |
462 | ||
463 | end: | |
464 | return ret; | |
465 | } | |
466 | ||
467 | static int dynamic_load_field(struct estack_entry *stack_top) | |
468 | { | |
469 | int ret; | |
470 | ||
471 | switch (stack_top->u.ptr.type) { | |
472 | case LOAD_OBJECT: | |
473 | break; | |
474 | case LOAD_ROOT_CONTEXT: | |
475 | case LOAD_ROOT_APP_CONTEXT: | |
476 | case LOAD_ROOT_PAYLOAD: | |
477 | default: | |
478 | dbg_printf("Filter warning: cannot load root, missing field name.\n"); | |
479 | ret = -EINVAL; | |
480 | goto end; | |
481 | } | |
482 | switch (stack_top->u.ptr.object_type) { | |
483 | case OBJECT_TYPE_S8: | |
484 | dbg_printf("op load field s8\n"); | |
485 | stack_top->u.v = *(int8_t *) stack_top->u.ptr.ptr; | |
486 | stack_top->type = REG_S64; | |
487 | break; | |
488 | case OBJECT_TYPE_S16: | |
489 | { | |
490 | int16_t tmp; | |
491 | ||
492 | dbg_printf("op load field s16\n"); | |
493 | tmp = *(int16_t *) stack_top->u.ptr.ptr; | |
494 | if (stack_top->u.ptr.rev_bo) | |
495 | tmp = bswap_16(tmp); | |
496 | stack_top->u.v = tmp; | |
497 | stack_top->type = REG_S64; | |
498 | break; | |
499 | } | |
500 | case OBJECT_TYPE_S32: | |
501 | { | |
502 | int32_t tmp; | |
503 | ||
504 | dbg_printf("op load field s32\n"); | |
505 | tmp = *(int32_t *) stack_top->u.ptr.ptr; | |
506 | if (stack_top->u.ptr.rev_bo) | |
507 | tmp = bswap_32(tmp); | |
508 | stack_top->u.v = tmp; | |
509 | stack_top->type = REG_S64; | |
510 | break; | |
511 | } | |
512 | case OBJECT_TYPE_S64: | |
513 | { | |
514 | int64_t tmp; | |
515 | ||
516 | dbg_printf("op load field s64\n"); | |
517 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
518 | if (stack_top->u.ptr.rev_bo) | |
519 | tmp = bswap_64(tmp); | |
520 | stack_top->u.v = tmp; | |
521 | stack_top->type = REG_S64; | |
522 | break; | |
523 | } | |
524 | case OBJECT_TYPE_U8: | |
525 | dbg_printf("op load field u8\n"); | |
526 | stack_top->u.v = *(uint8_t *) stack_top->u.ptr.ptr; | |
d97f9b78 | 527 | stack_top->type = REG_U64; |
47e5f13e MD |
528 | break; |
529 | case OBJECT_TYPE_U16: | |
530 | { | |
531 | uint16_t tmp; | |
532 | ||
055d27d7 | 533 | dbg_printf("op load field u16\n"); |
47e5f13e MD |
534 | tmp = *(uint16_t *) stack_top->u.ptr.ptr; |
535 | if (stack_top->u.ptr.rev_bo) | |
536 | tmp = bswap_16(tmp); | |
537 | stack_top->u.v = tmp; | |
d97f9b78 | 538 | stack_top->type = REG_U64; |
47e5f13e MD |
539 | break; |
540 | } | |
541 | case OBJECT_TYPE_U32: | |
542 | { | |
543 | uint32_t tmp; | |
544 | ||
545 | dbg_printf("op load field u32\n"); | |
546 | tmp = *(uint32_t *) stack_top->u.ptr.ptr; | |
547 | if (stack_top->u.ptr.rev_bo) | |
548 | tmp = bswap_32(tmp); | |
549 | stack_top->u.v = tmp; | |
d97f9b78 | 550 | stack_top->type = REG_U64; |
47e5f13e MD |
551 | break; |
552 | } | |
553 | case OBJECT_TYPE_U64: | |
554 | { | |
555 | uint64_t tmp; | |
556 | ||
557 | dbg_printf("op load field u64\n"); | |
558 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
559 | if (stack_top->u.ptr.rev_bo) | |
560 | tmp = bswap_64(tmp); | |
561 | stack_top->u.v = tmp; | |
d97f9b78 | 562 | stack_top->type = REG_U64; |
47e5f13e MD |
563 | break; |
564 | } | |
565 | case OBJECT_TYPE_DOUBLE: | |
566 | memcpy(&stack_top->u.d, | |
567 | stack_top->u.ptr.ptr, | |
568 | sizeof(struct literal_double)); | |
569 | stack_top->type = REG_DOUBLE; | |
570 | break; | |
571 | case OBJECT_TYPE_STRING: | |
572 | { | |
573 | const char *str; | |
574 | ||
575 | dbg_printf("op load field string\n"); | |
576 | str = (const char *) stack_top->u.ptr.ptr; | |
577 | stack_top->u.s.str = str; | |
578 | if (unlikely(!stack_top->u.s.str)) { | |
579 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
580 | ret = -EINVAL; | |
581 | goto end; | |
582 | } | |
583 | stack_top->u.s.seq_len = SIZE_MAX; | |
584 | stack_top->u.s.literal_type = | |
585 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
586 | stack_top->type = REG_STRING; | |
587 | break; | |
588 | } | |
589 | case OBJECT_TYPE_STRING_SEQUENCE: | |
590 | { | |
591 | const char *ptr; | |
592 | ||
593 | dbg_printf("op load field string sequence\n"); | |
594 | ptr = stack_top->u.ptr.ptr; | |
595 | stack_top->u.s.seq_len = *(unsigned long *) ptr; | |
596 | stack_top->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
597 | stack_top->type = REG_STRING; | |
598 | if (unlikely(!stack_top->u.s.str)) { | |
599 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
600 | ret = -EINVAL; | |
601 | goto end; | |
602 | } | |
603 | stack_top->u.s.literal_type = | |
604 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
605 | break; | |
606 | } | |
607 | case OBJECT_TYPE_DYNAMIC: | |
608 | /* | |
609 | * Dynamic types in context are looked up | |
610 | * by context get index. | |
611 | */ | |
612 | ret = -EINVAL; | |
613 | goto end; | |
614 | case OBJECT_TYPE_SEQUENCE: | |
615 | case OBJECT_TYPE_ARRAY: | |
616 | case OBJECT_TYPE_STRUCT: | |
617 | case OBJECT_TYPE_VARIANT: | |
618 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
619 | ret = -EINVAL; | |
620 | goto end; | |
621 | } | |
622 | return 0; | |
623 | ||
624 | end: | |
625 | return ret; | |
626 | } | |
627 | ||
8a92ed2a MD |
628 | /* |
629 | * Return 0 (discard), or raise the 0x1 flag (log event). | |
630 | * Currently, other flags are kept for future extensions and have no | |
631 | * effect. | |
632 | */ | |
633 | uint64_t lttng_filter_interpret_bytecode(void *filter_data, | |
97b58163 MD |
634 | const char *filter_stack_data) |
635 | { | |
636 | struct bytecode_runtime *bytecode = filter_data; | |
b77aaa1b | 637 | struct lttng_ctx *ctx = rcu_dereference(*bytecode->p.pctx); |
97b58163 MD |
638 | void *pc, *next_pc, *start_pc; |
639 | int ret = -EINVAL; | |
8b82df15 | 640 | uint64_t retval = 0; |
0305960f MD |
641 | struct estack _stack; |
642 | struct estack *stack = &_stack; | |
9b33aac4 | 643 | register int64_t ax = 0, bx = 0; |
53569322 | 644 | register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; |
9b33aac4 | 645 | register int top = FILTER_STACK_EMPTY; |
97b58163 MD |
646 | #ifndef INTERPRETER_USE_SWITCH |
647 | static void *dispatch[NR_FILTER_OPS] = { | |
648 | [ FILTER_OP_UNKNOWN ] = &&LABEL_FILTER_OP_UNKNOWN, | |
649 | ||
650 | [ FILTER_OP_RETURN ] = &&LABEL_FILTER_OP_RETURN, | |
651 | ||
652 | /* binary */ | |
653 | [ FILTER_OP_MUL ] = &&LABEL_FILTER_OP_MUL, | |
654 | [ FILTER_OP_DIV ] = &&LABEL_FILTER_OP_DIV, | |
655 | [ FILTER_OP_MOD ] = &&LABEL_FILTER_OP_MOD, | |
656 | [ FILTER_OP_PLUS ] = &&LABEL_FILTER_OP_PLUS, | |
657 | [ FILTER_OP_MINUS ] = &&LABEL_FILTER_OP_MINUS, | |
0039e2d8 MD |
658 | [ FILTER_OP_BIT_RSHIFT ] = &&LABEL_FILTER_OP_BIT_RSHIFT, |
659 | [ FILTER_OP_BIT_LSHIFT ] = &&LABEL_FILTER_OP_BIT_LSHIFT, | |
47e5f13e MD |
660 | [ FILTER_OP_BIT_AND ] = &&LABEL_FILTER_OP_BIT_AND, |
661 | [ FILTER_OP_BIT_OR ] = &&LABEL_FILTER_OP_BIT_OR, | |
662 | [ FILTER_OP_BIT_XOR ] = &&LABEL_FILTER_OP_BIT_XOR, | |
97b58163 MD |
663 | |
664 | /* binary comparators */ | |
665 | [ FILTER_OP_EQ ] = &&LABEL_FILTER_OP_EQ, | |
666 | [ FILTER_OP_NE ] = &&LABEL_FILTER_OP_NE, | |
667 | [ FILTER_OP_GT ] = &&LABEL_FILTER_OP_GT, | |
668 | [ FILTER_OP_LT ] = &&LABEL_FILTER_OP_LT, | |
669 | [ FILTER_OP_GE ] = &&LABEL_FILTER_OP_GE, | |
670 | [ FILTER_OP_LE ] = &&LABEL_FILTER_OP_LE, | |
671 | ||
672 | /* string binary comparator */ | |
673 | [ FILTER_OP_EQ_STRING ] = &&LABEL_FILTER_OP_EQ_STRING, | |
674 | [ FILTER_OP_NE_STRING ] = &&LABEL_FILTER_OP_NE_STRING, | |
675 | [ FILTER_OP_GT_STRING ] = &&LABEL_FILTER_OP_GT_STRING, | |
676 | [ FILTER_OP_LT_STRING ] = &&LABEL_FILTER_OP_LT_STRING, | |
677 | [ FILTER_OP_GE_STRING ] = &&LABEL_FILTER_OP_GE_STRING, | |
678 | [ FILTER_OP_LE_STRING ] = &&LABEL_FILTER_OP_LE_STRING, | |
679 | ||
3151a51d PP |
680 | /* globbing pattern binary comparator */ |
681 | [ FILTER_OP_EQ_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_EQ_STAR_GLOB_STRING, | |
682 | [ FILTER_OP_NE_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_NE_STAR_GLOB_STRING, | |
683 | ||
97b58163 MD |
684 | /* s64 binary comparator */ |
685 | [ FILTER_OP_EQ_S64 ] = &&LABEL_FILTER_OP_EQ_S64, | |
686 | [ FILTER_OP_NE_S64 ] = &&LABEL_FILTER_OP_NE_S64, | |
687 | [ FILTER_OP_GT_S64 ] = &&LABEL_FILTER_OP_GT_S64, | |
688 | [ FILTER_OP_LT_S64 ] = &&LABEL_FILTER_OP_LT_S64, | |
689 | [ FILTER_OP_GE_S64 ] = &&LABEL_FILTER_OP_GE_S64, | |
690 | [ FILTER_OP_LE_S64 ] = &&LABEL_FILTER_OP_LE_S64, | |
691 | ||
692 | /* double binary comparator */ | |
693 | [ FILTER_OP_EQ_DOUBLE ] = &&LABEL_FILTER_OP_EQ_DOUBLE, | |
694 | [ FILTER_OP_NE_DOUBLE ] = &&LABEL_FILTER_OP_NE_DOUBLE, | |
695 | [ FILTER_OP_GT_DOUBLE ] = &&LABEL_FILTER_OP_GT_DOUBLE, | |
696 | [ FILTER_OP_LT_DOUBLE ] = &&LABEL_FILTER_OP_LT_DOUBLE, | |
697 | [ FILTER_OP_GE_DOUBLE ] = &&LABEL_FILTER_OP_GE_DOUBLE, | |
698 | [ FILTER_OP_LE_DOUBLE ] = &&LABEL_FILTER_OP_LE_DOUBLE, | |
699 | ||
dbea82ec MD |
700 | /* Mixed S64-double binary comparators */ |
701 | [ FILTER_OP_EQ_DOUBLE_S64 ] = &&LABEL_FILTER_OP_EQ_DOUBLE_S64, | |
702 | [ FILTER_OP_NE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_NE_DOUBLE_S64, | |
703 | [ FILTER_OP_GT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GT_DOUBLE_S64, | |
704 | [ FILTER_OP_LT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LT_DOUBLE_S64, | |
705 | [ FILTER_OP_GE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GE_DOUBLE_S64, | |
706 | [ FILTER_OP_LE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LE_DOUBLE_S64, | |
707 | ||
708 | [ FILTER_OP_EQ_S64_DOUBLE ] = &&LABEL_FILTER_OP_EQ_S64_DOUBLE, | |
709 | [ FILTER_OP_NE_S64_DOUBLE ] = &&LABEL_FILTER_OP_NE_S64_DOUBLE, | |
710 | [ FILTER_OP_GT_S64_DOUBLE ] = &&LABEL_FILTER_OP_GT_S64_DOUBLE, | |
711 | [ FILTER_OP_LT_S64_DOUBLE ] = &&LABEL_FILTER_OP_LT_S64_DOUBLE, | |
712 | [ FILTER_OP_GE_S64_DOUBLE ] = &&LABEL_FILTER_OP_GE_S64_DOUBLE, | |
713 | [ FILTER_OP_LE_S64_DOUBLE ] = &&LABEL_FILTER_OP_LE_S64_DOUBLE, | |
714 | ||
97b58163 MD |
715 | /* unary */ |
716 | [ FILTER_OP_UNARY_PLUS ] = &&LABEL_FILTER_OP_UNARY_PLUS, | |
717 | [ FILTER_OP_UNARY_MINUS ] = &&LABEL_FILTER_OP_UNARY_MINUS, | |
718 | [ FILTER_OP_UNARY_NOT ] = &&LABEL_FILTER_OP_UNARY_NOT, | |
719 | [ FILTER_OP_UNARY_PLUS_S64 ] = &&LABEL_FILTER_OP_UNARY_PLUS_S64, | |
720 | [ FILTER_OP_UNARY_MINUS_S64 ] = &&LABEL_FILTER_OP_UNARY_MINUS_S64, | |
721 | [ FILTER_OP_UNARY_NOT_S64 ] = &&LABEL_FILTER_OP_UNARY_NOT_S64, | |
722 | [ FILTER_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_PLUS_DOUBLE, | |
723 | [ FILTER_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_MINUS_DOUBLE, | |
724 | [ FILTER_OP_UNARY_NOT_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_NOT_DOUBLE, | |
725 | ||
726 | /* logical */ | |
727 | [ FILTER_OP_AND ] = &&LABEL_FILTER_OP_AND, | |
728 | [ FILTER_OP_OR ] = &&LABEL_FILTER_OP_OR, | |
729 | ||
77aa5901 | 730 | /* load field ref */ |
97b58163 MD |
731 | [ FILTER_OP_LOAD_FIELD_REF ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF, |
732 | [ FILTER_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_STRING, | |
733 | [ FILTER_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_SEQUENCE, | |
734 | [ FILTER_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_S64, | |
735 | [ FILTER_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_DOUBLE, | |
736 | ||
77aa5901 | 737 | /* load from immediate operand */ |
97b58163 | 738 | [ FILTER_OP_LOAD_STRING ] = &&LABEL_FILTER_OP_LOAD_STRING, |
3151a51d | 739 | [ FILTER_OP_LOAD_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_LOAD_STAR_GLOB_STRING, |
97b58163 MD |
740 | [ FILTER_OP_LOAD_S64 ] = &&LABEL_FILTER_OP_LOAD_S64, |
741 | [ FILTER_OP_LOAD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_DOUBLE, | |
742 | ||
743 | /* cast */ | |
744 | [ FILTER_OP_CAST_TO_S64 ] = &&LABEL_FILTER_OP_CAST_TO_S64, | |
745 | [ FILTER_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_FILTER_OP_CAST_DOUBLE_TO_S64, | |
746 | [ FILTER_OP_CAST_NOP ] = &&LABEL_FILTER_OP_CAST_NOP, | |
77aa5901 MD |
747 | |
748 | /* get context ref */ | |
749 | [ FILTER_OP_GET_CONTEXT_REF ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF, | |
750 | [ FILTER_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_STRING, | |
751 | [ FILTER_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_S64, | |
752 | [ FILTER_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_DOUBLE, | |
47e5f13e MD |
753 | |
754 | /* Instructions for recursive traversal through composed types. */ | |
755 | [ FILTER_OP_GET_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_CONTEXT_ROOT, | |
756 | [ FILTER_OP_GET_APP_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_APP_CONTEXT_ROOT, | |
757 | [ FILTER_OP_GET_PAYLOAD_ROOT ] = &&LABEL_FILTER_OP_GET_PAYLOAD_ROOT, | |
758 | ||
759 | [ FILTER_OP_GET_SYMBOL ] = &&LABEL_FILTER_OP_GET_SYMBOL, | |
760 | [ FILTER_OP_GET_SYMBOL_FIELD ] = &&LABEL_FILTER_OP_GET_SYMBOL_FIELD, | |
761 | [ FILTER_OP_GET_INDEX_U16 ] = &&LABEL_FILTER_OP_GET_INDEX_U16, | |
762 | [ FILTER_OP_GET_INDEX_U64 ] = &&LABEL_FILTER_OP_GET_INDEX_U64, | |
763 | ||
764 | [ FILTER_OP_LOAD_FIELD ] = &&LABEL_FILTER_OP_LOAD_FIELD, | |
765 | [ FILTER_OP_LOAD_FIELD_S8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S8, | |
766 | [ FILTER_OP_LOAD_FIELD_S16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S16, | |
767 | [ FILTER_OP_LOAD_FIELD_S32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S32, | |
768 | [ FILTER_OP_LOAD_FIELD_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S64, | |
769 | [ FILTER_OP_LOAD_FIELD_U8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U8, | |
770 | [ FILTER_OP_LOAD_FIELD_U16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U16, | |
771 | [ FILTER_OP_LOAD_FIELD_U32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U32, | |
772 | [ FILTER_OP_LOAD_FIELD_U64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U64, | |
773 | [ FILTER_OP_LOAD_FIELD_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_STRING, | |
774 | [ FILTER_OP_LOAD_FIELD_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_SEQUENCE, | |
775 | [ FILTER_OP_LOAD_FIELD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_DOUBLE, | |
0039e2d8 MD |
776 | |
777 | [ FILTER_OP_UNARY_BIT_NOT ] = &&LABEL_FILTER_OP_UNARY_BIT_NOT, | |
93c591bb MD |
778 | |
779 | [ FILTER_OP_RETURN_S64 ] = &&LABEL_FILTER_OP_RETURN_S64, | |
97b58163 MD |
780 | }; |
781 | #endif /* #ifndef INTERPRETER_USE_SWITCH */ | |
782 | ||
783 | START_OP | |
784 | ||
785 | OP(FILTER_OP_UNKNOWN): | |
786 | OP(FILTER_OP_LOAD_FIELD_REF): | |
787 | #ifdef INTERPRETER_USE_SWITCH | |
788 | default: | |
789 | #endif /* INTERPRETER_USE_SWITCH */ | |
47e5f13e | 790 | ERR("unknown bytecode op %u", |
97b58163 MD |
791 | (unsigned int) *(filter_opcode_t *) pc); |
792 | ret = -EINVAL; | |
793 | goto end; | |
794 | ||
795 | OP(FILTER_OP_RETURN): | |
4526ba69 | 796 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
47e5f13e MD |
797 | /* Handle dynamic typing. */ |
798 | switch (estack_ax_t) { | |
799 | case REG_S64: | |
d97f9b78 | 800 | case REG_U64: |
47e5f13e MD |
801 | retval = !!estack_ax_v; |
802 | break; | |
803 | case REG_DOUBLE: | |
804 | case REG_STRING: | |
805 | case REG_STAR_GLOB_STRING: | |
806 | default: | |
807 | ret = -EINVAL; | |
808 | goto end; | |
809 | } | |
97b58163 MD |
810 | ret = 0; |
811 | goto end; | |
812 | ||
93c591bb | 813 | OP(FILTER_OP_RETURN_S64): |
4526ba69 | 814 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
93c591bb MD |
815 | retval = !!estack_ax_v; |
816 | ret = 0; | |
817 | goto end; | |
818 | ||
97b58163 MD |
819 | /* binary */ |
820 | OP(FILTER_OP_MUL): | |
821 | OP(FILTER_OP_DIV): | |
822 | OP(FILTER_OP_MOD): | |
823 | OP(FILTER_OP_PLUS): | |
824 | OP(FILTER_OP_MINUS): | |
47e5f13e | 825 | ERR("unsupported bytecode op %u", |
97b58163 MD |
826 | (unsigned int) *(filter_opcode_t *) pc); |
827 | ret = -EINVAL; | |
828 | goto end; | |
829 | ||
830 | OP(FILTER_OP_EQ): | |
53569322 MD |
831 | { |
832 | /* Dynamic typing. */ | |
833 | switch (estack_ax_t) { | |
d97f9b78 MD |
834 | case REG_S64: /* Fall-through */ |
835 | case REG_U64: | |
53569322 | 836 | switch (estack_bx_t) { |
d97f9b78 MD |
837 | case REG_S64: /* Fall-through */ |
838 | case REG_U64: | |
53569322 MD |
839 | JUMP_TO(FILTER_OP_EQ_S64); |
840 | case REG_DOUBLE: | |
841 | JUMP_TO(FILTER_OP_EQ_DOUBLE_S64); | |
3151a51d PP |
842 | case REG_STRING: /* Fall-through */ |
843 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
844 | ret = -EINVAL; |
845 | goto end; | |
846 | default: | |
847 | ERR("Unknown filter register type (%d)", | |
848 | (int) estack_bx_t); | |
849 | ret = -EINVAL; | |
850 | goto end; | |
851 | } | |
852 | break; | |
853 | case REG_DOUBLE: | |
854 | switch (estack_bx_t) { | |
d97f9b78 MD |
855 | case REG_S64: /* Fall-through */ |
856 | case REG_U64: | |
53569322 MD |
857 | JUMP_TO(FILTER_OP_EQ_S64_DOUBLE); |
858 | case REG_DOUBLE: | |
859 | JUMP_TO(FILTER_OP_EQ_DOUBLE); | |
3151a51d PP |
860 | case REG_STRING: /* Fall-through */ |
861 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
862 | ret = -EINVAL; |
863 | goto end; | |
864 | default: | |
865 | ERR("Unknown filter register type (%d)", | |
866 | (int) estack_bx_t); | |
867 | ret = -EINVAL; | |
868 | goto end; | |
869 | } | |
870 | break; | |
871 | case REG_STRING: | |
872 | switch (estack_bx_t) { | |
873 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 874 | case REG_U64: /* Fall-through */ |
53569322 MD |
875 | case REG_DOUBLE: |
876 | ret = -EINVAL; | |
877 | goto end; | |
878 | case REG_STRING: | |
879 | JUMP_TO(FILTER_OP_EQ_STRING); | |
3151a51d PP |
880 | case REG_STAR_GLOB_STRING: |
881 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
882 | default: | |
883 | ERR("Unknown filter register type (%d)", | |
884 | (int) estack_bx_t); | |
885 | ret = -EINVAL; | |
886 | goto end; | |
887 | } | |
888 | break; | |
889 | case REG_STAR_GLOB_STRING: | |
890 | switch (estack_bx_t) { | |
891 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 892 | case REG_U64: /* Fall-through */ |
3151a51d PP |
893 | case REG_DOUBLE: |
894 | ret = -EINVAL; | |
895 | goto end; | |
896 | case REG_STRING: | |
897 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
898 | case REG_STAR_GLOB_STRING: | |
899 | ret = -EINVAL; | |
900 | goto end; | |
53569322 MD |
901 | default: |
902 | ERR("Unknown filter register type (%d)", | |
903 | (int) estack_bx_t); | |
904 | ret = -EINVAL; | |
905 | goto end; | |
906 | } | |
907 | break; | |
908 | default: | |
909 | ERR("Unknown filter register type (%d)", | |
910 | (int) estack_ax_t); | |
911 | ret = -EINVAL; | |
912 | goto end; | |
913 | } | |
914 | } | |
97b58163 | 915 | OP(FILTER_OP_NE): |
53569322 MD |
916 | { |
917 | /* Dynamic typing. */ | |
918 | switch (estack_ax_t) { | |
d97f9b78 MD |
919 | case REG_S64: /* Fall-through */ |
920 | case REG_U64: | |
53569322 | 921 | switch (estack_bx_t) { |
d97f9b78 MD |
922 | case REG_S64: /* Fall-through */ |
923 | case REG_U64: | |
53569322 MD |
924 | JUMP_TO(FILTER_OP_NE_S64); |
925 | case REG_DOUBLE: | |
926 | JUMP_TO(FILTER_OP_NE_DOUBLE_S64); | |
3151a51d PP |
927 | case REG_STRING: /* Fall-through */ |
928 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
929 | ret = -EINVAL; |
930 | goto end; | |
931 | default: | |
932 | ERR("Unknown filter register type (%d)", | |
933 | (int) estack_bx_t); | |
934 | ret = -EINVAL; | |
935 | goto end; | |
936 | } | |
937 | break; | |
938 | case REG_DOUBLE: | |
939 | switch (estack_bx_t) { | |
d97f9b78 MD |
940 | case REG_S64: /* Fall-through */ |
941 | case REG_U64: | |
53569322 MD |
942 | JUMP_TO(FILTER_OP_NE_S64_DOUBLE); |
943 | case REG_DOUBLE: | |
944 | JUMP_TO(FILTER_OP_NE_DOUBLE); | |
3151a51d PP |
945 | case REG_STRING: /* Fall-through */ |
946 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
947 | ret = -EINVAL; |
948 | goto end; | |
949 | default: | |
950 | ERR("Unknown filter register type (%d)", | |
951 | (int) estack_bx_t); | |
952 | ret = -EINVAL; | |
953 | goto end; | |
954 | } | |
955 | break; | |
956 | case REG_STRING: | |
957 | switch (estack_bx_t) { | |
958 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 959 | case REG_U64: |
53569322 MD |
960 | case REG_DOUBLE: |
961 | ret = -EINVAL; | |
962 | goto end; | |
963 | case REG_STRING: | |
964 | JUMP_TO(FILTER_OP_NE_STRING); | |
3151a51d PP |
965 | case REG_STAR_GLOB_STRING: |
966 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
967 | default: | |
968 | ERR("Unknown filter register type (%d)", | |
969 | (int) estack_bx_t); | |
970 | ret = -EINVAL; | |
971 | goto end; | |
972 | } | |
973 | break; | |
974 | case REG_STAR_GLOB_STRING: | |
975 | switch (estack_bx_t) { | |
976 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 977 | case REG_U64: |
3151a51d PP |
978 | case REG_DOUBLE: |
979 | ret = -EINVAL; | |
980 | goto end; | |
981 | case REG_STRING: | |
982 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
983 | case REG_STAR_GLOB_STRING: | |
984 | ret = -EINVAL; | |
985 | goto end; | |
53569322 MD |
986 | default: |
987 | ERR("Unknown filter register type (%d)", | |
988 | (int) estack_bx_t); | |
989 | ret = -EINVAL; | |
990 | goto end; | |
991 | } | |
992 | break; | |
993 | default: | |
994 | ERR("Unknown filter register type (%d)", | |
995 | (int) estack_ax_t); | |
996 | ret = -EINVAL; | |
997 | goto end; | |
998 | } | |
999 | } | |
97b58163 | 1000 | OP(FILTER_OP_GT): |
53569322 MD |
1001 | { |
1002 | /* Dynamic typing. */ | |
1003 | switch (estack_ax_t) { | |
d97f9b78 MD |
1004 | case REG_S64: /* Fall-through */ |
1005 | case REG_U64: | |
53569322 | 1006 | switch (estack_bx_t) { |
d97f9b78 MD |
1007 | case REG_S64: /* Fall-through */ |
1008 | case REG_U64: | |
53569322 MD |
1009 | JUMP_TO(FILTER_OP_GT_S64); |
1010 | case REG_DOUBLE: | |
1011 | JUMP_TO(FILTER_OP_GT_DOUBLE_S64); | |
3151a51d PP |
1012 | case REG_STRING: /* Fall-through */ |
1013 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1014 | ret = -EINVAL; |
1015 | goto end; | |
1016 | default: | |
1017 | ERR("Unknown filter register type (%d)", | |
1018 | (int) estack_bx_t); | |
1019 | ret = -EINVAL; | |
1020 | goto end; | |
1021 | } | |
1022 | break; | |
1023 | case REG_DOUBLE: | |
1024 | switch (estack_bx_t) { | |
d97f9b78 MD |
1025 | case REG_S64: /* Fall-through */ |
1026 | case REG_U64: | |
53569322 MD |
1027 | JUMP_TO(FILTER_OP_GT_S64_DOUBLE); |
1028 | case REG_DOUBLE: | |
1029 | JUMP_TO(FILTER_OP_GT_DOUBLE); | |
3151a51d PP |
1030 | case REG_STRING: /* Fall-through */ |
1031 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1032 | ret = -EINVAL; |
1033 | goto end; | |
1034 | default: | |
1035 | ERR("Unknown filter register type (%d)", | |
1036 | (int) estack_bx_t); | |
1037 | ret = -EINVAL; | |
1038 | goto end; | |
1039 | } | |
1040 | break; | |
1041 | case REG_STRING: | |
1042 | switch (estack_bx_t) { | |
1043 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1044 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1045 | case REG_DOUBLE: /* Fall-through */ |
1046 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1047 | ret = -EINVAL; |
1048 | goto end; | |
1049 | case REG_STRING: | |
1050 | JUMP_TO(FILTER_OP_GT_STRING); | |
1051 | default: | |
1052 | ERR("Unknown filter register type (%d)", | |
1053 | (int) estack_bx_t); | |
1054 | ret = -EINVAL; | |
1055 | goto end; | |
1056 | } | |
1057 | break; | |
1058 | default: | |
1059 | ERR("Unknown filter register type (%d)", | |
1060 | (int) estack_ax_t); | |
1061 | ret = -EINVAL; | |
1062 | goto end; | |
1063 | } | |
1064 | } | |
97b58163 | 1065 | OP(FILTER_OP_LT): |
53569322 MD |
1066 | { |
1067 | /* Dynamic typing. */ | |
1068 | switch (estack_ax_t) { | |
d97f9b78 MD |
1069 | case REG_S64: /* Fall-through */ |
1070 | case REG_U64: | |
53569322 | 1071 | switch (estack_bx_t) { |
d97f9b78 MD |
1072 | case REG_S64: /* Fall-through */ |
1073 | case REG_U64: | |
53569322 MD |
1074 | JUMP_TO(FILTER_OP_LT_S64); |
1075 | case REG_DOUBLE: | |
1076 | JUMP_TO(FILTER_OP_LT_DOUBLE_S64); | |
3151a51d PP |
1077 | case REG_STRING: /* Fall-through */ |
1078 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1079 | ret = -EINVAL; |
1080 | goto end; | |
1081 | default: | |
1082 | ERR("Unknown filter register type (%d)", | |
1083 | (int) estack_bx_t); | |
1084 | ret = -EINVAL; | |
1085 | goto end; | |
1086 | } | |
1087 | break; | |
1088 | case REG_DOUBLE: | |
1089 | switch (estack_bx_t) { | |
d97f9b78 MD |
1090 | case REG_S64: /* Fall-through */ |
1091 | case REG_U64: | |
53569322 MD |
1092 | JUMP_TO(FILTER_OP_LT_S64_DOUBLE); |
1093 | case REG_DOUBLE: | |
1094 | JUMP_TO(FILTER_OP_LT_DOUBLE); | |
3151a51d PP |
1095 | case REG_STRING: /* Fall-through */ |
1096 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1097 | ret = -EINVAL; |
1098 | goto end; | |
1099 | default: | |
1100 | ERR("Unknown filter register type (%d)", | |
1101 | (int) estack_bx_t); | |
1102 | ret = -EINVAL; | |
1103 | goto end; | |
1104 | } | |
1105 | break; | |
1106 | case REG_STRING: | |
1107 | switch (estack_bx_t) { | |
1108 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1109 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1110 | case REG_DOUBLE: /* Fall-through */ |
1111 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1112 | ret = -EINVAL; |
1113 | goto end; | |
1114 | case REG_STRING: | |
1115 | JUMP_TO(FILTER_OP_LT_STRING); | |
1116 | default: | |
1117 | ERR("Unknown filter register type (%d)", | |
1118 | (int) estack_bx_t); | |
1119 | ret = -EINVAL; | |
1120 | goto end; | |
1121 | } | |
1122 | break; | |
1123 | default: | |
1124 | ERR("Unknown filter register type (%d)", | |
1125 | (int) estack_ax_t); | |
1126 | ret = -EINVAL; | |
1127 | goto end; | |
1128 | } | |
1129 | } | |
97b58163 | 1130 | OP(FILTER_OP_GE): |
53569322 MD |
1131 | { |
1132 | /* Dynamic typing. */ | |
1133 | switch (estack_ax_t) { | |
d97f9b78 MD |
1134 | case REG_S64: /* Fall-through */ |
1135 | case REG_U64: | |
53569322 | 1136 | switch (estack_bx_t) { |
d97f9b78 MD |
1137 | case REG_S64: /* Fall-through */ |
1138 | case REG_U64: | |
53569322 MD |
1139 | JUMP_TO(FILTER_OP_GE_S64); |
1140 | case REG_DOUBLE: | |
1141 | JUMP_TO(FILTER_OP_GE_DOUBLE_S64); | |
3151a51d PP |
1142 | case REG_STRING: /* Fall-through */ |
1143 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1144 | ret = -EINVAL; |
1145 | goto end; | |
1146 | default: | |
1147 | ERR("Unknown filter register type (%d)", | |
1148 | (int) estack_bx_t); | |
1149 | ret = -EINVAL; | |
1150 | goto end; | |
1151 | } | |
1152 | break; | |
1153 | case REG_DOUBLE: | |
1154 | switch (estack_bx_t) { | |
d97f9b78 MD |
1155 | case REG_S64: /* Fall-through */ |
1156 | case REG_U64: | |
53569322 MD |
1157 | JUMP_TO(FILTER_OP_GE_S64_DOUBLE); |
1158 | case REG_DOUBLE: | |
1159 | JUMP_TO(FILTER_OP_GE_DOUBLE); | |
3151a51d PP |
1160 | case REG_STRING: /* Fall-through */ |
1161 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1162 | ret = -EINVAL; |
1163 | goto end; | |
1164 | default: | |
1165 | ERR("Unknown filter register type (%d)", | |
1166 | (int) estack_bx_t); | |
1167 | ret = -EINVAL; | |
1168 | goto end; | |
1169 | } | |
1170 | break; | |
1171 | case REG_STRING: | |
1172 | switch (estack_bx_t) { | |
1173 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1174 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1175 | case REG_DOUBLE: /* Fall-through */ |
1176 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1177 | ret = -EINVAL; |
1178 | goto end; | |
1179 | case REG_STRING: | |
1180 | JUMP_TO(FILTER_OP_GE_STRING); | |
1181 | default: | |
1182 | ERR("Unknown filter register type (%d)", | |
1183 | (int) estack_bx_t); | |
1184 | ret = -EINVAL; | |
1185 | goto end; | |
1186 | } | |
1187 | break; | |
1188 | default: | |
1189 | ERR("Unknown filter register type (%d)", | |
1190 | (int) estack_ax_t); | |
1191 | ret = -EINVAL; | |
1192 | goto end; | |
1193 | } | |
1194 | } | |
97b58163 | 1195 | OP(FILTER_OP_LE): |
53569322 MD |
1196 | { |
1197 | /* Dynamic typing. */ | |
1198 | switch (estack_ax_t) { | |
d97f9b78 MD |
1199 | case REG_S64: /* Fall-through */ |
1200 | case REG_U64: | |
53569322 | 1201 | switch (estack_bx_t) { |
d97f9b78 MD |
1202 | case REG_S64: /* Fall-through */ |
1203 | case REG_U64: | |
53569322 MD |
1204 | JUMP_TO(FILTER_OP_LE_S64); |
1205 | case REG_DOUBLE: | |
1206 | JUMP_TO(FILTER_OP_LE_DOUBLE_S64); | |
3151a51d PP |
1207 | case REG_STRING: /* Fall-through */ |
1208 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1209 | ret = -EINVAL; |
1210 | goto end; | |
1211 | default: | |
1212 | ERR("Unknown filter register type (%d)", | |
1213 | (int) estack_bx_t); | |
1214 | ret = -EINVAL; | |
1215 | goto end; | |
1216 | } | |
1217 | break; | |
1218 | case REG_DOUBLE: | |
1219 | switch (estack_bx_t) { | |
d97f9b78 MD |
1220 | case REG_S64: /* Fall-through */ |
1221 | case REG_U64: | |
53569322 MD |
1222 | JUMP_TO(FILTER_OP_LE_S64_DOUBLE); |
1223 | case REG_DOUBLE: | |
1224 | JUMP_TO(FILTER_OP_LE_DOUBLE); | |
3151a51d PP |
1225 | case REG_STRING: /* Fall-through */ |
1226 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1227 | ret = -EINVAL; |
1228 | goto end; | |
1229 | default: | |
1230 | ERR("Unknown filter register type (%d)", | |
1231 | (int) estack_bx_t); | |
1232 | ret = -EINVAL; | |
1233 | goto end; | |
1234 | } | |
1235 | break; | |
1236 | case REG_STRING: | |
1237 | switch (estack_bx_t) { | |
1238 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1239 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1240 | case REG_DOUBLE: /* Fall-through */ |
1241 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1242 | ret = -EINVAL; |
1243 | goto end; | |
1244 | case REG_STRING: | |
1245 | JUMP_TO(FILTER_OP_LE_STRING); | |
1246 | default: | |
1247 | ERR("Unknown filter register type (%d)", | |
1248 | (int) estack_bx_t); | |
1249 | ret = -EINVAL; | |
1250 | goto end; | |
1251 | } | |
1252 | break; | |
1253 | default: | |
1254 | ERR("Unknown filter register type (%d)", | |
1255 | (int) estack_ax_t); | |
1256 | ret = -EINVAL; | |
1257 | goto end; | |
1258 | } | |
1259 | } | |
97b58163 MD |
1260 | |
1261 | OP(FILTER_OP_EQ_STRING): | |
1262 | { | |
0305960f MD |
1263 | int res; |
1264 | ||
9b33aac4 | 1265 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 1266 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1267 | estack_ax_v = res; |
53569322 | 1268 | estack_ax_t = REG_S64; |
97b58163 MD |
1269 | next_pc += sizeof(struct binary_op); |
1270 | PO; | |
1271 | } | |
1272 | OP(FILTER_OP_NE_STRING): | |
1273 | { | |
0305960f MD |
1274 | int res; |
1275 | ||
9b33aac4 | 1276 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 1277 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1278 | estack_ax_v = res; |
53569322 | 1279 | estack_ax_t = REG_S64; |
97b58163 MD |
1280 | next_pc += sizeof(struct binary_op); |
1281 | PO; | |
1282 | } | |
1283 | OP(FILTER_OP_GT_STRING): | |
1284 | { | |
0305960f MD |
1285 | int res; |
1286 | ||
9b33aac4 | 1287 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 1288 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1289 | estack_ax_v = res; |
53569322 | 1290 | estack_ax_t = REG_S64; |
97b58163 MD |
1291 | next_pc += sizeof(struct binary_op); |
1292 | PO; | |
1293 | } | |
1294 | OP(FILTER_OP_LT_STRING): | |
1295 | { | |
0305960f MD |
1296 | int res; |
1297 | ||
9b33aac4 | 1298 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 1299 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1300 | estack_ax_v = res; |
53569322 | 1301 | estack_ax_t = REG_S64; |
97b58163 MD |
1302 | next_pc += sizeof(struct binary_op); |
1303 | PO; | |
1304 | } | |
1305 | OP(FILTER_OP_GE_STRING): | |
1306 | { | |
0305960f MD |
1307 | int res; |
1308 | ||
9b33aac4 | 1309 | res = (stack_strcmp(stack, top, ">=") >= 0); |
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_LE_STRING): | |
1317 | { | |
0305960f MD |
1318 | int res; |
1319 | ||
9b33aac4 | 1320 | res = (stack_strcmp(stack, top, "<=") <= 0); |
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 | ||
3151a51d PP |
1328 | OP(FILTER_OP_EQ_STAR_GLOB_STRING): |
1329 | { | |
1330 | int res; | |
1331 | ||
1332 | res = (stack_star_glob_match(stack, top, "==") == 0); | |
1333 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1334 | estack_ax_v = res; | |
1335 | estack_ax_t = REG_S64; | |
1336 | next_pc += sizeof(struct binary_op); | |
1337 | PO; | |
1338 | } | |
1339 | OP(FILTER_OP_NE_STAR_GLOB_STRING): | |
1340 | { | |
1341 | int res; | |
1342 | ||
1343 | res = (stack_star_glob_match(stack, top, "!=") != 0); | |
1344 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1345 | estack_ax_v = res; | |
1346 | estack_ax_t = REG_S64; | |
1347 | next_pc += sizeof(struct binary_op); | |
1348 | PO; | |
1349 | } | |
1350 | ||
97b58163 MD |
1351 | OP(FILTER_OP_EQ_S64): |
1352 | { | |
0305960f MD |
1353 | int res; |
1354 | ||
9b33aac4 | 1355 | res = (estack_bx_v == estack_ax_v); |
53569322 | 1356 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1357 | estack_ax_v = res; |
53569322 | 1358 | estack_ax_t = REG_S64; |
97b58163 MD |
1359 | next_pc += sizeof(struct binary_op); |
1360 | PO; | |
1361 | } | |
1362 | OP(FILTER_OP_NE_S64): | |
1363 | { | |
0305960f MD |
1364 | int res; |
1365 | ||
9b33aac4 | 1366 | res = (estack_bx_v != estack_ax_v); |
53569322 | 1367 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1368 | estack_ax_v = res; |
53569322 | 1369 | estack_ax_t = REG_S64; |
97b58163 MD |
1370 | next_pc += sizeof(struct binary_op); |
1371 | PO; | |
1372 | } | |
1373 | OP(FILTER_OP_GT_S64): | |
1374 | { | |
0305960f MD |
1375 | int res; |
1376 | ||
9b33aac4 | 1377 | res = (estack_bx_v > estack_ax_v); |
53569322 | 1378 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1379 | estack_ax_v = res; |
53569322 | 1380 | estack_ax_t = REG_S64; |
97b58163 MD |
1381 | next_pc += sizeof(struct binary_op); |
1382 | PO; | |
1383 | } | |
1384 | OP(FILTER_OP_LT_S64): | |
1385 | { | |
0305960f MD |
1386 | int res; |
1387 | ||
9b33aac4 | 1388 | res = (estack_bx_v < estack_ax_v); |
53569322 | 1389 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1390 | estack_ax_v = res; |
53569322 | 1391 | estack_ax_t = REG_S64; |
97b58163 MD |
1392 | next_pc += sizeof(struct binary_op); |
1393 | PO; | |
1394 | } | |
1395 | OP(FILTER_OP_GE_S64): | |
1396 | { | |
0305960f MD |
1397 | int res; |
1398 | ||
9b33aac4 | 1399 | res = (estack_bx_v >= estack_ax_v); |
53569322 | 1400 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1401 | estack_ax_v = res; |
53569322 | 1402 | estack_ax_t = REG_S64; |
97b58163 MD |
1403 | next_pc += sizeof(struct binary_op); |
1404 | PO; | |
1405 | } | |
1406 | OP(FILTER_OP_LE_S64): | |
1407 | { | |
0305960f MD |
1408 | int res; |
1409 | ||
9b33aac4 | 1410 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 1411 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1412 | estack_ax_v = res; |
53569322 | 1413 | estack_ax_t = REG_S64; |
97b58163 MD |
1414 | next_pc += sizeof(struct binary_op); |
1415 | PO; | |
1416 | } | |
1417 | ||
1418 | OP(FILTER_OP_EQ_DOUBLE): | |
1419 | { | |
0305960f MD |
1420 | int res; |
1421 | ||
9b33aac4 | 1422 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 1423 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1424 | estack_ax_v = res; |
53569322 | 1425 | estack_ax_t = REG_S64; |
97b58163 MD |
1426 | next_pc += sizeof(struct binary_op); |
1427 | PO; | |
1428 | } | |
1429 | OP(FILTER_OP_NE_DOUBLE): | |
1430 | { | |
0305960f MD |
1431 | int res; |
1432 | ||
9b33aac4 | 1433 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 1434 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1435 | estack_ax_v = res; |
53569322 | 1436 | estack_ax_t = REG_S64; |
97b58163 MD |
1437 | next_pc += sizeof(struct binary_op); |
1438 | PO; | |
1439 | } | |
1440 | OP(FILTER_OP_GT_DOUBLE): | |
1441 | { | |
0305960f MD |
1442 | int res; |
1443 | ||
9b33aac4 | 1444 | res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); |
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; |
97b58163 MD |
1448 | next_pc += sizeof(struct binary_op); |
1449 | PO; | |
1450 | } | |
1451 | OP(FILTER_OP_LT_DOUBLE): | |
1452 | { | |
0305960f MD |
1453 | int res; |
1454 | ||
9b33aac4 | 1455 | res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); |
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; |
97b58163 MD |
1459 | next_pc += sizeof(struct binary_op); |
1460 | PO; | |
1461 | } | |
1462 | OP(FILTER_OP_GE_DOUBLE): | |
1463 | { | |
0305960f MD |
1464 | int res; |
1465 | ||
9b33aac4 | 1466 | res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); |
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; |
97b58163 MD |
1470 | next_pc += sizeof(struct binary_op); |
1471 | PO; | |
1472 | } | |
1473 | OP(FILTER_OP_LE_DOUBLE): | |
1474 | { | |
0305960f MD |
1475 | int res; |
1476 | ||
9b33aac4 | 1477 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 1478 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1479 | estack_ax_v = res; |
53569322 | 1480 | estack_ax_t = REG_S64; |
dbea82ec MD |
1481 | next_pc += sizeof(struct binary_op); |
1482 | PO; | |
1483 | } | |
1484 | ||
1485 | /* Mixed S64-double binary comparators */ | |
1486 | OP(FILTER_OP_EQ_DOUBLE_S64): | |
1487 | { | |
1488 | int res; | |
1489 | ||
9b33aac4 | 1490 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
53569322 | 1491 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1492 | estack_ax_v = res; |
53569322 | 1493 | estack_ax_t = REG_S64; |
dbea82ec MD |
1494 | next_pc += sizeof(struct binary_op); |
1495 | PO; | |
1496 | } | |
1497 | OP(FILTER_OP_NE_DOUBLE_S64): | |
1498 | { | |
1499 | int res; | |
1500 | ||
9b33aac4 | 1501 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
53569322 | 1502 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1503 | estack_ax_v = res; |
53569322 | 1504 | estack_ax_t = REG_S64; |
dbea82ec MD |
1505 | next_pc += sizeof(struct binary_op); |
1506 | PO; | |
1507 | } | |
1508 | OP(FILTER_OP_GT_DOUBLE_S64): | |
1509 | { | |
1510 | int res; | |
1511 | ||
9b33aac4 | 1512 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
53569322 | 1513 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1514 | estack_ax_v = res; |
53569322 | 1515 | estack_ax_t = REG_S64; |
dbea82ec MD |
1516 | next_pc += sizeof(struct binary_op); |
1517 | PO; | |
1518 | } | |
1519 | OP(FILTER_OP_LT_DOUBLE_S64): | |
1520 | { | |
1521 | int res; | |
1522 | ||
9b33aac4 | 1523 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 1524 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1525 | estack_ax_v = res; |
53569322 | 1526 | estack_ax_t = REG_S64; |
dbea82ec MD |
1527 | next_pc += sizeof(struct binary_op); |
1528 | PO; | |
1529 | } | |
1530 | OP(FILTER_OP_GE_DOUBLE_S64): | |
1531 | { | |
1532 | int res; | |
1533 | ||
9b33aac4 | 1534 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 1535 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1536 | estack_ax_v = res; |
53569322 | 1537 | estack_ax_t = REG_S64; |
dbea82ec MD |
1538 | next_pc += sizeof(struct binary_op); |
1539 | PO; | |
1540 | } | |
1541 | OP(FILTER_OP_LE_DOUBLE_S64): | |
1542 | { | |
1543 | int res; | |
1544 | ||
9b33aac4 | 1545 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 1546 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1547 | estack_ax_v = res; |
53569322 | 1548 | estack_ax_t = REG_S64; |
dbea82ec MD |
1549 | next_pc += sizeof(struct binary_op); |
1550 | PO; | |
1551 | } | |
1552 | ||
1553 | OP(FILTER_OP_EQ_S64_DOUBLE): | |
1554 | { | |
1555 | int res; | |
1556 | ||
9b33aac4 | 1557 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 1558 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1559 | estack_ax_v = res; |
53569322 | 1560 | estack_ax_t = REG_S64; |
dbea82ec MD |
1561 | next_pc += sizeof(struct binary_op); |
1562 | PO; | |
1563 | } | |
1564 | OP(FILTER_OP_NE_S64_DOUBLE): | |
1565 | { | |
1566 | int res; | |
1567 | ||
9b33aac4 | 1568 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 1569 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1570 | estack_ax_v = res; |
53569322 | 1571 | estack_ax_t = REG_S64; |
dbea82ec MD |
1572 | next_pc += sizeof(struct binary_op); |
1573 | PO; | |
1574 | } | |
1575 | OP(FILTER_OP_GT_S64_DOUBLE): | |
1576 | { | |
1577 | int res; | |
1578 | ||
9b33aac4 | 1579 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 1580 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1581 | estack_ax_v = res; |
53569322 | 1582 | estack_ax_t = REG_S64; |
dbea82ec MD |
1583 | next_pc += sizeof(struct binary_op); |
1584 | PO; | |
1585 | } | |
1586 | OP(FILTER_OP_LT_S64_DOUBLE): | |
1587 | { | |
1588 | int res; | |
1589 | ||
9b33aac4 | 1590 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 1591 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1592 | estack_ax_v = res; |
53569322 | 1593 | estack_ax_t = REG_S64; |
dbea82ec MD |
1594 | next_pc += sizeof(struct binary_op); |
1595 | PO; | |
1596 | } | |
1597 | OP(FILTER_OP_GE_S64_DOUBLE): | |
1598 | { | |
1599 | int res; | |
1600 | ||
9b33aac4 | 1601 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 1602 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1603 | estack_ax_v = res; |
53569322 | 1604 | estack_ax_t = REG_S64; |
dbea82ec MD |
1605 | next_pc += sizeof(struct binary_op); |
1606 | PO; | |
1607 | } | |
1608 | OP(FILTER_OP_LE_S64_DOUBLE): | |
1609 | { | |
1610 | int res; | |
1611 | ||
9b33aac4 | 1612 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1613 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1614 | estack_ax_v = res; |
53569322 | 1615 | estack_ax_t = REG_S64; |
97b58163 MD |
1616 | next_pc += sizeof(struct binary_op); |
1617 | PO; | |
1618 | } | |
0039e2d8 MD |
1619 | OP(FILTER_OP_BIT_RSHIFT): |
1620 | { | |
1621 | int64_t res; | |
1622 | ||
d97f9b78 | 1623 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
0039e2d8 MD |
1624 | ret = -EINVAL; |
1625 | goto end; | |
1626 | } | |
d97f9b78 | 1627 | |
3703f1d2 MD |
1628 | /* Catch undefined behavior. */ |
1629 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1630 | ret = -EINVAL; | |
1631 | goto end; | |
1632 | } | |
4e8f9a89 | 1633 | res = ((uint64_t) estack_bx_v >> (uint32_t) estack_ax_v); |
0039e2d8 MD |
1634 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1635 | estack_ax_v = res; | |
d97f9b78 | 1636 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1637 | next_pc += sizeof(struct binary_op); |
1638 | PO; | |
1639 | } | |
1640 | OP(FILTER_OP_BIT_LSHIFT): | |
1641 | { | |
1642 | int64_t res; | |
1643 | ||
d97f9b78 | 1644 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
0039e2d8 MD |
1645 | ret = -EINVAL; |
1646 | goto end; | |
1647 | } | |
d97f9b78 | 1648 | |
3703f1d2 MD |
1649 | /* Catch undefined behavior. */ |
1650 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1651 | ret = -EINVAL; | |
1652 | goto end; | |
1653 | } | |
4e8f9a89 | 1654 | res = ((uint64_t) estack_bx_v << (uint32_t) estack_ax_v); |
0039e2d8 MD |
1655 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1656 | estack_ax_v = res; | |
d97f9b78 | 1657 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1658 | next_pc += sizeof(struct binary_op); |
1659 | PO; | |
1660 | } | |
47e5f13e MD |
1661 | OP(FILTER_OP_BIT_AND): |
1662 | { | |
1663 | int64_t res; | |
1664 | ||
d97f9b78 | 1665 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1666 | ret = -EINVAL; |
1667 | goto end; | |
1668 | } | |
1669 | ||
4e8f9a89 | 1670 | res = ((uint64_t) estack_bx_v & (uint64_t) estack_ax_v); |
47e5f13e MD |
1671 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1672 | estack_ax_v = res; | |
d97f9b78 | 1673 | estack_ax_t = REG_U64; |
47e5f13e MD |
1674 | next_pc += sizeof(struct binary_op); |
1675 | PO; | |
1676 | } | |
1677 | OP(FILTER_OP_BIT_OR): | |
1678 | { | |
1679 | int64_t res; | |
1680 | ||
d97f9b78 | 1681 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1682 | ret = -EINVAL; |
1683 | goto end; | |
1684 | } | |
1685 | ||
4e8f9a89 | 1686 | res = ((uint64_t) estack_bx_v | (uint64_t) estack_ax_v); |
47e5f13e MD |
1687 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1688 | estack_ax_v = res; | |
d97f9b78 | 1689 | estack_ax_t = REG_U64; |
47e5f13e MD |
1690 | next_pc += sizeof(struct binary_op); |
1691 | PO; | |
1692 | } | |
1693 | OP(FILTER_OP_BIT_XOR): | |
1694 | { | |
1695 | int64_t res; | |
1696 | ||
d97f9b78 | 1697 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1698 | ret = -EINVAL; |
1699 | goto end; | |
1700 | } | |
1701 | ||
4e8f9a89 | 1702 | res = ((uint64_t) estack_bx_v ^ (uint64_t) estack_ax_v); |
47e5f13e MD |
1703 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1704 | estack_ax_v = res; | |
d97f9b78 | 1705 | estack_ax_t = REG_U64; |
47e5f13e MD |
1706 | next_pc += sizeof(struct binary_op); |
1707 | PO; | |
1708 | } | |
97b58163 MD |
1709 | |
1710 | /* unary */ | |
1711 | OP(FILTER_OP_UNARY_PLUS): | |
53569322 MD |
1712 | { |
1713 | /* Dynamic typing. */ | |
1714 | switch (estack_ax_t) { | |
1715 | case REG_S64: /* Fall-through. */ | |
d97f9b78 | 1716 | case REG_U64: |
53569322 MD |
1717 | JUMP_TO(FILTER_OP_UNARY_PLUS_S64); |
1718 | case REG_DOUBLE: | |
1719 | JUMP_TO(FILTER_OP_UNARY_PLUS_DOUBLE); | |
3151a51d PP |
1720 | case REG_STRING: /* Fall-through */ |
1721 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1722 | ret = -EINVAL; |
1723 | goto end; | |
1724 | default: | |
1725 | ERR("Unknown filter register type (%d)", | |
1726 | (int) estack_ax_t); | |
1727 | ret = -EINVAL; | |
1728 | goto end; | |
1729 | } | |
1730 | } | |
97b58163 | 1731 | OP(FILTER_OP_UNARY_MINUS): |
53569322 MD |
1732 | { |
1733 | /* Dynamic typing. */ | |
1734 | switch (estack_ax_t) { | |
d97f9b78 MD |
1735 | case REG_S64: /* Fall-through. */ |
1736 | case REG_U64: | |
53569322 MD |
1737 | JUMP_TO(FILTER_OP_UNARY_MINUS_S64); |
1738 | case REG_DOUBLE: | |
1739 | JUMP_TO(FILTER_OP_UNARY_MINUS_DOUBLE); | |
3151a51d PP |
1740 | case REG_STRING: /* Fall-through */ |
1741 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1742 | ret = -EINVAL; |
1743 | goto end; | |
1744 | default: | |
1745 | ERR("Unknown filter register type (%d)", | |
1746 | (int) estack_ax_t); | |
1747 | ret = -EINVAL; | |
1748 | goto end; | |
1749 | } | |
1750 | } | |
97b58163 | 1751 | OP(FILTER_OP_UNARY_NOT): |
53569322 MD |
1752 | { |
1753 | /* Dynamic typing. */ | |
1754 | switch (estack_ax_t) { | |
d97f9b78 MD |
1755 | case REG_S64: /* Fall-through. */ |
1756 | case REG_U64: | |
53569322 MD |
1757 | JUMP_TO(FILTER_OP_UNARY_NOT_S64); |
1758 | case REG_DOUBLE: | |
1759 | JUMP_TO(FILTER_OP_UNARY_NOT_DOUBLE); | |
3151a51d PP |
1760 | case REG_STRING: /* Fall-through */ |
1761 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1762 | ret = -EINVAL; |
1763 | goto end; | |
1764 | default: | |
1765 | ERR("Unknown filter register type (%d)", | |
1766 | (int) estack_ax_t); | |
1767 | ret = -EINVAL; | |
1768 | goto end; | |
1769 | } | |
1770 | next_pc += sizeof(struct unary_op); | |
1771 | PO; | |
1772 | } | |
97b58163 | 1773 | |
0039e2d8 MD |
1774 | OP(FILTER_OP_UNARY_BIT_NOT): |
1775 | { | |
1776 | /* Dynamic typing. */ | |
d97f9b78 | 1777 | if (!IS_INTEGER_REGISTER(estack_ax_t)) { |
0039e2d8 MD |
1778 | ret = -EINVAL; |
1779 | goto end; | |
1780 | } | |
1781 | ||
4e8f9a89 | 1782 | estack_ax_v = ~(uint64_t) estack_ax_v; |
d97f9b78 | 1783 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1784 | next_pc += sizeof(struct unary_op); |
1785 | PO; | |
1786 | } | |
1787 | ||
97b58163 MD |
1788 | OP(FILTER_OP_UNARY_PLUS_S64): |
1789 | OP(FILTER_OP_UNARY_PLUS_DOUBLE): | |
1790 | { | |
1791 | next_pc += sizeof(struct unary_op); | |
1792 | PO; | |
1793 | } | |
1794 | OP(FILTER_OP_UNARY_MINUS_S64): | |
1795 | { | |
9b33aac4 | 1796 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1797 | next_pc += sizeof(struct unary_op); |
1798 | PO; | |
1799 | } | |
1800 | OP(FILTER_OP_UNARY_MINUS_DOUBLE): | |
1801 | { | |
9b33aac4 | 1802 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1803 | next_pc += sizeof(struct unary_op); |
1804 | PO; | |
1805 | } | |
1806 | OP(FILTER_OP_UNARY_NOT_S64): | |
1807 | { | |
9b33aac4 | 1808 | estack_ax_v = !estack_ax_v; |
d97f9b78 | 1809 | estack_ax_t = REG_S64; |
97b58163 MD |
1810 | next_pc += sizeof(struct unary_op); |
1811 | PO; | |
1812 | } | |
1813 | OP(FILTER_OP_UNARY_NOT_DOUBLE): | |
1814 | { | |
53569322 MD |
1815 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1816 | estack_ax_t = REG_S64; | |
97b58163 MD |
1817 | next_pc += sizeof(struct unary_op); |
1818 | PO; | |
1819 | } | |
1820 | ||
1821 | /* logical */ | |
1822 | OP(FILTER_OP_AND): | |
1823 | { | |
1824 | struct logical_op *insn = (struct logical_op *) pc; | |
1825 | ||
d97f9b78 | 1826 | if (estack_ax_t != REG_S64 && estack_ax_t != REG_U64) { |
53569322 MD |
1827 | ret = -EINVAL; |
1828 | goto end; | |
1829 | } | |
0305960f | 1830 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1831 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1832 | dbg_printf("Jumping to bytecode offset %u\n", |
1833 | (unsigned int) insn->skip_offset); | |
1834 | next_pc = start_pc + insn->skip_offset; | |
1835 | } else { | |
71c1ceeb | 1836 | /* Pop 1 when jump not taken */ |
53569322 | 1837 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1838 | next_pc += sizeof(struct logical_op); |
1839 | } | |
1840 | PO; | |
1841 | } | |
1842 | OP(FILTER_OP_OR): | |
1843 | { | |
1844 | struct logical_op *insn = (struct logical_op *) pc; | |
1845 | ||
d97f9b78 | 1846 | if (estack_ax_t != REG_S64 && estack_ax_t != REG_U64) { |
53569322 MD |
1847 | ret = -EINVAL; |
1848 | goto end; | |
1849 | } | |
0305960f | 1850 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1851 | if (unlikely(estack_ax_v != 0)) { |
1852 | estack_ax_v = 1; | |
97b58163 MD |
1853 | dbg_printf("Jumping to bytecode offset %u\n", |
1854 | (unsigned int) insn->skip_offset); | |
1855 | next_pc = start_pc + insn->skip_offset; | |
1856 | } else { | |
71c1ceeb | 1857 | /* Pop 1 when jump not taken */ |
53569322 | 1858 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1859 | next_pc += sizeof(struct logical_op); |
1860 | } | |
1861 | PO; | |
1862 | } | |
1863 | ||
1864 | ||
77aa5901 | 1865 | /* load field ref */ |
97b58163 MD |
1866 | OP(FILTER_OP_LOAD_FIELD_REF_STRING): |
1867 | { | |
1868 | struct load_op *insn = (struct load_op *) pc; | |
1869 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1870 | ||
1871 | dbg_printf("load field ref offset %u type string\n", | |
1872 | ref->offset); | |
53569322 | 1873 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1874 | estack_ax(stack, top)->u.s.str = |
97b58163 | 1875 | *(const char * const *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1876 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1877 | dbg_printf("Filter warning: loading a NULL string.\n"); |
1878 | ret = -EINVAL; | |
1879 | goto end; | |
1880 | } | |
a63d0dc8 | 1881 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1882 | estack_ax(stack, top)->u.s.literal_type = |
1883 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 1884 | estack_ax_t = REG_STRING; |
9b33aac4 | 1885 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1886 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1887 | PO; | |
1888 | } | |
1889 | ||
1890 | OP(FILTER_OP_LOAD_FIELD_REF_SEQUENCE): | |
1891 | { | |
1892 | struct load_op *insn = (struct load_op *) pc; | |
1893 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1894 | ||
1895 | dbg_printf("load field ref offset %u type sequence\n", | |
1896 | ref->offset); | |
53569322 | 1897 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1898 | estack_ax(stack, top)->u.s.seq_len = |
97b58163 | 1899 | *(unsigned long *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1900 | estack_ax(stack, top)->u.s.str = |
97b58163 MD |
1901 | *(const char **) (&filter_stack_data[ref->offset |
1902 | + sizeof(unsigned long)]); | |
53569322 | 1903 | estack_ax_t = REG_STRING; |
9b33aac4 | 1904 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1905 | dbg_printf("Filter warning: loading a NULL sequence.\n"); |
1906 | ret = -EINVAL; | |
1907 | goto end; | |
1908 | } | |
3151a51d PP |
1909 | estack_ax(stack, top)->u.s.literal_type = |
1910 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
97b58163 MD |
1911 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1912 | PO; | |
1913 | } | |
1914 | ||
1915 | OP(FILTER_OP_LOAD_FIELD_REF_S64): | |
1916 | { | |
1917 | struct load_op *insn = (struct load_op *) pc; | |
1918 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1919 | ||
1920 | dbg_printf("load field ref offset %u type s64\n", | |
1921 | ref->offset); | |
53569322 | 1922 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 MD |
1923 | estack_ax_v = |
1924 | ((struct literal_numeric *) &filter_stack_data[ref->offset])->v; | |
53569322 | 1925 | estack_ax_t = REG_S64; |
9b33aac4 | 1926 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1927 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1928 | PO; | |
1929 | } | |
1930 | ||
1931 | OP(FILTER_OP_LOAD_FIELD_REF_DOUBLE): | |
1932 | { | |
1933 | struct load_op *insn = (struct load_op *) pc; | |
1934 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1935 | ||
1936 | dbg_printf("load field ref offset %u type double\n", | |
1937 | ref->offset); | |
53569322 | 1938 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1939 | memcpy(&estack_ax(stack, top)->u.d, &filter_stack_data[ref->offset], |
97b58163 | 1940 | sizeof(struct literal_double)); |
53569322 | 1941 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 1942 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
1943 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1944 | PO; | |
1945 | } | |
1946 | ||
77aa5901 | 1947 | /* load from immediate operand */ |
97b58163 MD |
1948 | OP(FILTER_OP_LOAD_STRING): |
1949 | { | |
1950 | struct load_op *insn = (struct load_op *) pc; | |
1951 | ||
1952 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 1953 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1954 | estack_ax(stack, top)->u.s.str = insn->data; |
a63d0dc8 | 1955 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1956 | estack_ax(stack, top)->u.s.literal_type = |
1957 | ESTACK_STRING_LITERAL_TYPE_PLAIN; | |
53569322 | 1958 | estack_ax_t = REG_STRING; |
97b58163 MD |
1959 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
1960 | PO; | |
1961 | } | |
1962 | ||
3151a51d PP |
1963 | OP(FILTER_OP_LOAD_STAR_GLOB_STRING): |
1964 | { | |
1965 | struct load_op *insn = (struct load_op *) pc; | |
1966 | ||
1967 | dbg_printf("load globbing pattern %s\n", insn->data); | |
1968 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
1969 | estack_ax(stack, top)->u.s.str = insn->data; | |
a63d0dc8 | 1970 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1971 | estack_ax(stack, top)->u.s.literal_type = |
1972 | ESTACK_STRING_LITERAL_TYPE_STAR_GLOB; | |
1973 | estack_ax_t = REG_STAR_GLOB_STRING; | |
1974 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
1975 | PO; | |
1976 | } | |
1977 | ||
97b58163 MD |
1978 | OP(FILTER_OP_LOAD_S64): |
1979 | { | |
1980 | struct load_op *insn = (struct load_op *) pc; | |
1981 | ||
53569322 | 1982 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1983 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 1984 | estack_ax_t = REG_S64; |
9b33aac4 | 1985 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1986 | next_pc += sizeof(struct load_op) |
1987 | + sizeof(struct literal_numeric); | |
1988 | PO; | |
1989 | } | |
1990 | ||
1991 | OP(FILTER_OP_LOAD_DOUBLE): | |
1992 | { | |
1993 | struct load_op *insn = (struct load_op *) pc; | |
1994 | ||
53569322 | 1995 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1996 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 1997 | sizeof(struct literal_double)); |
53569322 MD |
1998 | estack_ax_t = REG_DOUBLE; |
1999 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
2000 | next_pc += sizeof(struct load_op) |
2001 | + sizeof(struct literal_double); | |
2002 | PO; | |
2003 | } | |
2004 | ||
2005 | /* cast */ | |
2006 | OP(FILTER_OP_CAST_TO_S64): | |
53569322 MD |
2007 | { |
2008 | /* Dynamic typing. */ | |
2009 | switch (estack_ax_t) { | |
2010 | case REG_S64: | |
2011 | JUMP_TO(FILTER_OP_CAST_NOP); | |
2012 | case REG_DOUBLE: | |
2013 | JUMP_TO(FILTER_OP_CAST_DOUBLE_TO_S64); | |
d97f9b78 MD |
2014 | case REG_U64: |
2015 | estack_ax_t = REG_S64; | |
2016 | next_pc += sizeof(struct cast_op); | |
3151a51d PP |
2017 | case REG_STRING: /* Fall-through */ |
2018 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
2019 | ret = -EINVAL; |
2020 | goto end; | |
2021 | default: | |
2022 | ERR("Unknown filter register type (%d)", | |
2023 | (int) estack_ax_t); | |
2024 | ret = -EINVAL; | |
2025 | goto end; | |
2026 | } | |
2027 | } | |
97b58163 MD |
2028 | |
2029 | OP(FILTER_OP_CAST_DOUBLE_TO_S64): | |
2030 | { | |
9b33aac4 | 2031 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 2032 | estack_ax_t = REG_S64; |
97b58163 MD |
2033 | next_pc += sizeof(struct cast_op); |
2034 | PO; | |
2035 | } | |
2036 | ||
2037 | OP(FILTER_OP_CAST_NOP): | |
2038 | { | |
2039 | next_pc += sizeof(struct cast_op); | |
2040 | PO; | |
2041 | } | |
2042 | ||
77aa5901 | 2043 | /* get context ref */ |
53569322 MD |
2044 | OP(FILTER_OP_GET_CONTEXT_REF): |
2045 | { | |
2046 | struct load_op *insn = (struct load_op *) pc; | |
2047 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 MD |
2048 | struct lttng_ctx_field *ctx_field; |
2049 | struct lttng_ctx_value v; | |
2050 | ||
2051 | dbg_printf("get context ref offset %u type dynamic\n", | |
2052 | ref->offset); | |
53569322 MD |
2053 | ctx_field = &ctx->fields[ref->offset]; |
2054 | ctx_field->get_value(ctx_field, &v); | |
2055 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2056 | switch (v.sel) { | |
2057 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
2058 | ret = -EINVAL; | |
2059 | goto end; | |
2060 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
2061 | estack_ax_v = v.u.s64; | |
2062 | estack_ax_t = REG_S64; | |
2063 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
2064 | break; | |
2065 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
2066 | estack_ax(stack, top)->u.d = v.u.d; | |
2067 | estack_ax_t = REG_DOUBLE; | |
2068 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
2069 | break; | |
2070 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
2071 | estack_ax(stack, top)->u.s.str = v.u.str; | |
2072 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2073 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2074 | ret = -EINVAL; | |
2075 | goto end; | |
2076 | } | |
a63d0dc8 | 2077 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2078 | estack_ax(stack, top)->u.s.literal_type = |
2079 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 MD |
2080 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); |
2081 | estack_ax_t = REG_STRING; | |
2082 | break; | |
2083 | default: | |
2084 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
2085 | ret = -EINVAL; | |
2086 | goto end; | |
2087 | } | |
2088 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2089 | PO; | |
2090 | } | |
2091 | ||
77aa5901 MD |
2092 | OP(FILTER_OP_GET_CONTEXT_REF_STRING): |
2093 | { | |
2094 | struct load_op *insn = (struct load_op *) pc; | |
2095 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2096 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2097 | struct lttng_ctx_value v; |
77aa5901 MD |
2098 | |
2099 | dbg_printf("get context ref offset %u type string\n", | |
2100 | ref->offset); | |
53569322 | 2101 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2102 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2103 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2104 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 MD |
2105 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
2106 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2107 | ret = -EINVAL; | |
2108 | goto end; | |
2109 | } | |
a63d0dc8 | 2110 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2111 | estack_ax(stack, top)->u.s.literal_type = |
2112 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2113 | estack_ax_t = REG_STRING; |
77aa5901 MD |
2114 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
2115 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2116 | PO; | |
2117 | } | |
2118 | ||
2119 | OP(FILTER_OP_GET_CONTEXT_REF_S64): | |
2120 | { | |
2121 | struct load_op *insn = (struct load_op *) pc; | |
2122 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2123 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2124 | struct lttng_ctx_value v; |
77aa5901 MD |
2125 | |
2126 | dbg_printf("get context ref offset %u type s64\n", | |
2127 | ref->offset); | |
53569322 | 2128 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2129 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2130 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2131 | estack_ax_v = v.u.s64; | |
2132 | estack_ax_t = REG_S64; | |
77aa5901 MD |
2133 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
2134 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2135 | PO; | |
2136 | } | |
2137 | ||
2138 | OP(FILTER_OP_GET_CONTEXT_REF_DOUBLE): | |
2139 | { | |
2140 | struct load_op *insn = (struct load_op *) pc; | |
2141 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2142 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2143 | struct lttng_ctx_value v; |
77aa5901 MD |
2144 | |
2145 | dbg_printf("get context ref offset %u type double\n", | |
2146 | ref->offset); | |
53569322 | 2147 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2148 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2149 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2150 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
2151 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
2152 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
2153 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2154 | PO; | |
2155 | } | |
2156 | ||
47e5f13e MD |
2157 | OP(FILTER_OP_GET_CONTEXT_ROOT): |
2158 | { | |
2159 | dbg_printf("op get context root\n"); | |
2160 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2161 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_CONTEXT; | |
2162 | /* "field" only needed for variants. */ | |
2163 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2164 | estack_ax_t = REG_PTR; | |
2165 | next_pc += sizeof(struct load_op); | |
2166 | PO; | |
2167 | } | |
2168 | ||
2169 | OP(FILTER_OP_GET_APP_CONTEXT_ROOT): | |
2170 | { | |
2171 | dbg_printf("op get app context root\n"); | |
2172 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2173 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_APP_CONTEXT; | |
2174 | /* "field" only needed for variants. */ | |
2175 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2176 | estack_ax_t = REG_PTR; | |
2177 | next_pc += sizeof(struct load_op); | |
2178 | PO; | |
2179 | } | |
2180 | ||
2181 | OP(FILTER_OP_GET_PAYLOAD_ROOT): | |
2182 | { | |
2183 | dbg_printf("op get app payload root\n"); | |
2184 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2185 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_PAYLOAD; | |
2186 | estack_ax(stack, top)->u.ptr.ptr = filter_stack_data; | |
2187 | /* "field" only needed for variants. */ | |
2188 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2189 | estack_ax_t = REG_PTR; | |
2190 | next_pc += sizeof(struct load_op); | |
2191 | PO; | |
2192 | } | |
2193 | ||
2194 | OP(FILTER_OP_GET_SYMBOL): | |
2195 | { | |
2196 | dbg_printf("op get symbol\n"); | |
2197 | switch (estack_ax(stack, top)->u.ptr.type) { | |
2198 | case LOAD_OBJECT: | |
2199 | ERR("Nested fields not implemented yet."); | |
2200 | ret = -EINVAL; | |
2201 | goto end; | |
2202 | case LOAD_ROOT_CONTEXT: | |
2203 | case LOAD_ROOT_APP_CONTEXT: | |
2204 | case LOAD_ROOT_PAYLOAD: | |
2205 | /* | |
2206 | * symbol lookup is performed by | |
2207 | * specialization. | |
2208 | */ | |
2209 | ret = -EINVAL; | |
2210 | goto end; | |
2211 | } | |
2212 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
2213 | PO; | |
2214 | } | |
2215 | ||
2216 | OP(FILTER_OP_GET_SYMBOL_FIELD): | |
2217 | { | |
2218 | /* | |
2219 | * Used for first variant encountered in a | |
2220 | * traversal. Variants are not implemented yet. | |
2221 | */ | |
2222 | ret = -EINVAL; | |
2223 | goto end; | |
2224 | } | |
2225 | ||
2226 | OP(FILTER_OP_GET_INDEX_U16): | |
2227 | { | |
2228 | struct load_op *insn = (struct load_op *) pc; | |
2229 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
2230 | ||
2231 | dbg_printf("op get index u16\n"); | |
b77aaa1b | 2232 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2233 | if (ret) |
2234 | goto end; | |
2235 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2236 | estack_ax_t = estack_ax(stack, top)->type; | |
2237 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
2238 | PO; | |
2239 | } | |
2240 | ||
2241 | OP(FILTER_OP_GET_INDEX_U64): | |
2242 | { | |
2243 | struct load_op *insn = (struct load_op *) pc; | |
2244 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
2245 | ||
2246 | dbg_printf("op get index u64\n"); | |
b77aaa1b | 2247 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2248 | if (ret) |
2249 | goto end; | |
2250 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2251 | estack_ax_t = estack_ax(stack, top)->type; | |
2252 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
2253 | PO; | |
2254 | } | |
2255 | ||
2256 | OP(FILTER_OP_LOAD_FIELD): | |
2257 | { | |
2258 | dbg_printf("op load field\n"); | |
2259 | ret = dynamic_load_field(estack_ax(stack, top)); | |
2260 | if (ret) | |
2261 | goto end; | |
2262 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2263 | estack_ax_t = estack_ax(stack, top)->type; | |
2264 | next_pc += sizeof(struct load_op); | |
2265 | PO; | |
2266 | } | |
2267 | ||
2268 | OP(FILTER_OP_LOAD_FIELD_S8): | |
2269 | { | |
2270 | dbg_printf("op load field s8\n"); | |
2271 | ||
2272 | estack_ax_v = *(int8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2273 | estack_ax_t = REG_S64; | |
2274 | next_pc += sizeof(struct load_op); | |
2275 | PO; | |
2276 | } | |
2277 | OP(FILTER_OP_LOAD_FIELD_S16): | |
2278 | { | |
2279 | dbg_printf("op load field s16\n"); | |
2280 | ||
2281 | estack_ax_v = *(int16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2282 | estack_ax_t = REG_S64; | |
2283 | next_pc += sizeof(struct load_op); | |
2284 | PO; | |
2285 | } | |
2286 | OP(FILTER_OP_LOAD_FIELD_S32): | |
2287 | { | |
2288 | dbg_printf("op load field s32\n"); | |
2289 | ||
2290 | estack_ax_v = *(int32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2291 | estack_ax_t = REG_S64; | |
2292 | next_pc += sizeof(struct load_op); | |
2293 | PO; | |
2294 | } | |
2295 | OP(FILTER_OP_LOAD_FIELD_S64): | |
2296 | { | |
2297 | dbg_printf("op load field s64\n"); | |
2298 | ||
2299 | estack_ax_v = *(int64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2300 | estack_ax_t = REG_S64; | |
2301 | next_pc += sizeof(struct load_op); | |
2302 | PO; | |
2303 | } | |
2304 | OP(FILTER_OP_LOAD_FIELD_U8): | |
2305 | { | |
2306 | dbg_printf("op load field u8\n"); | |
2307 | ||
2308 | estack_ax_v = *(uint8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2309 | estack_ax_t = REG_U64; |
47e5f13e MD |
2310 | next_pc += sizeof(struct load_op); |
2311 | PO; | |
2312 | } | |
2313 | OP(FILTER_OP_LOAD_FIELD_U16): | |
2314 | { | |
2315 | dbg_printf("op load field u16\n"); | |
2316 | ||
2317 | estack_ax_v = *(uint16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2318 | estack_ax_t = REG_U64; |
47e5f13e MD |
2319 | next_pc += sizeof(struct load_op); |
2320 | PO; | |
2321 | } | |
2322 | OP(FILTER_OP_LOAD_FIELD_U32): | |
2323 | { | |
2324 | dbg_printf("op load field u32\n"); | |
2325 | ||
2326 | estack_ax_v = *(uint32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2327 | estack_ax_t = REG_U64; |
47e5f13e MD |
2328 | next_pc += sizeof(struct load_op); |
2329 | PO; | |
2330 | } | |
2331 | OP(FILTER_OP_LOAD_FIELD_U64): | |
2332 | { | |
2333 | dbg_printf("op load field u64\n"); | |
2334 | ||
2335 | estack_ax_v = *(uint64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2336 | estack_ax_t = REG_U64; |
47e5f13e MD |
2337 | next_pc += sizeof(struct load_op); |
2338 | PO; | |
2339 | } | |
2340 | OP(FILTER_OP_LOAD_FIELD_DOUBLE): | |
2341 | { | |
2342 | dbg_printf("op load field double\n"); | |
2343 | ||
2344 | memcpy(&estack_ax(stack, top)->u.d, | |
2345 | estack_ax(stack, top)->u.ptr.ptr, | |
2346 | sizeof(struct literal_double)); | |
2347 | estack_ax(stack, top)->type = REG_DOUBLE; | |
2348 | next_pc += sizeof(struct load_op); | |
2349 | PO; | |
2350 | } | |
2351 | ||
2352 | OP(FILTER_OP_LOAD_FIELD_STRING): | |
2353 | { | |
2354 | const char *str; | |
2355 | ||
2356 | dbg_printf("op load field string\n"); | |
2357 | str = (const char *) estack_ax(stack, top)->u.ptr.ptr; | |
2358 | estack_ax(stack, top)->u.s.str = str; | |
2359 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2360 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2361 | ret = -EINVAL; | |
2362 | goto end; | |
2363 | } | |
2364 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; | |
2365 | estack_ax(stack, top)->u.s.literal_type = | |
2366 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2367 | estack_ax(stack, top)->type = REG_STRING; | |
2368 | next_pc += sizeof(struct load_op); | |
2369 | PO; | |
2370 | } | |
2371 | ||
2372 | OP(FILTER_OP_LOAD_FIELD_SEQUENCE): | |
2373 | { | |
2374 | const char *ptr; | |
2375 | ||
2376 | dbg_printf("op load field string sequence\n"); | |
2377 | ptr = estack_ax(stack, top)->u.ptr.ptr; | |
2378 | estack_ax(stack, top)->u.s.seq_len = *(unsigned long *) ptr; | |
2379 | estack_ax(stack, top)->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
2380 | estack_ax(stack, top)->type = REG_STRING; | |
2381 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2382 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
2383 | ret = -EINVAL; | |
2384 | goto end; | |
2385 | } | |
2386 | estack_ax(stack, top)->u.s.literal_type = | |
2387 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2388 | next_pc += sizeof(struct load_op); | |
2389 | PO; | |
2390 | } | |
2391 | ||
97b58163 MD |
2392 | END_OP |
2393 | end: | |
4526ba69 | 2394 | /* Return _DISCARD on error. */ |
97b58163 | 2395 | if (ret) |
4526ba69 | 2396 | return LTTNG_FILTER_DISCARD; |
97b58163 MD |
2397 | return retval; |
2398 | } | |
2399 | ||
2400 | #undef START_OP | |
2401 | #undef OP | |
2402 | #undef PO | |
2403 | #undef END_OP |