Commit | Line | Data |
---|---|---|
97b58163 MD |
1 | /* |
2 | * lttng-filter-interpreter.c | |
3 | * | |
4 | * LTTng UST filter interpreter. | |
5 | * | |
7e50015d | 6 | * Copyright (C) 2010-2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
97b58163 | 7 | * |
7e50015d MD |
8 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
9 | * of this software and associated documentation files (the "Software"), to deal | |
10 | * in the Software without restriction, including without limitation the rights | |
11 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
12 | * copies of the Software, and to permit persons to whom the Software is | |
13 | * furnished to do so, subject to the following conditions: | |
97b58163 | 14 | * |
7e50015d MD |
15 | * The above copyright notice and this permission notice shall be included in |
16 | * all copies or substantial portions of the Software. | |
97b58163 | 17 | * |
7e50015d MD |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
21 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
23 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
24 | * SOFTWARE. | |
97b58163 MD |
25 | */ |
26 | ||
3fbec7dc | 27 | #define _LGPL_SOURCE |
b4051ad8 | 28 | #include <stddef.h> |
a63d0dc8 | 29 | #include <stdint.h> |
b4051ad8 | 30 | #include <urcu-pointer.h> |
47e5f13e | 31 | #include <byteswap.h> |
97b58163 | 32 | #include "lttng-filter.h" |
3151a51d | 33 | #include "string-utils.h" |
97b58163 MD |
34 | |
35 | /* | |
36 | * -1: wildcard found. | |
37 | * -2: unknown escape char. | |
38 | * 0: normal char. | |
39 | */ | |
40 | ||
41 | static | |
42 | int parse_char(const char **p) | |
43 | { | |
44 | switch (**p) { | |
45 | case '\\': | |
46 | (*p)++; | |
47 | switch (**p) { | |
48 | case '\\': | |
49 | case '*': | |
50 | return 0; | |
51 | default: | |
52 | return -2; | |
53 | } | |
54 | case '*': | |
55 | return -1; | |
56 | default: | |
57 | return 0; | |
58 | } | |
59 | } | |
60 | ||
3151a51d | 61 | /* |
a63d0dc8 | 62 | * Returns SIZE_MAX if the string is null-terminated, or the number of |
3151a51d PP |
63 | * characters if not. |
64 | */ | |
65 | static | |
66 | size_t get_str_or_seq_len(const struct estack_entry *entry) | |
67 | { | |
a63d0dc8 | 68 | return entry->u.s.seq_len; |
3151a51d PP |
69 | } |
70 | ||
71 | static | |
72 | int stack_star_glob_match(struct estack *stack, int top, const char *cmp_type) | |
73 | { | |
74 | const char *pattern; | |
75 | const char *candidate; | |
76 | size_t pattern_len; | |
77 | size_t candidate_len; | |
78 | ||
79 | /* Find out which side is the pattern vs. the candidate. */ | |
80 | if (estack_ax(stack, top)->u.s.literal_type == ESTACK_STRING_LITERAL_TYPE_STAR_GLOB) { | |
81 | pattern = estack_ax(stack, top)->u.s.str; | |
82 | pattern_len = get_str_or_seq_len(estack_ax(stack, top)); | |
83 | candidate = estack_bx(stack, top)->u.s.str; | |
84 | candidate_len = get_str_or_seq_len(estack_bx(stack, top)); | |
85 | } else { | |
86 | pattern = estack_bx(stack, top)->u.s.str; | |
87 | pattern_len = get_str_or_seq_len(estack_bx(stack, top)); | |
88 | candidate = estack_ax(stack, top)->u.s.str; | |
89 | candidate_len = get_str_or_seq_len(estack_ax(stack, top)); | |
90 | } | |
91 | ||
92 | /* Perform the match. Returns 0 when the result is true. */ | |
93 | return !strutils_star_glob_match(pattern, pattern_len, candidate, | |
94 | candidate_len); | |
95 | } | |
96 | ||
97b58163 | 97 | static |
9b33aac4 | 98 | int stack_strcmp(struct estack *stack, int top, const char *cmp_type) |
97b58163 | 99 | { |
9b33aac4 | 100 | const char *p = estack_bx(stack, top)->u.s.str, *q = estack_ax(stack, top)->u.s.str; |
97b58163 MD |
101 | int ret; |
102 | int diff; | |
103 | ||
104 | for (;;) { | |
105 | int escaped_r0 = 0; | |
106 | ||
332335cd MD |
107 | if (unlikely(p - estack_bx(stack, top)->u.s.str >= estack_bx(stack, top)->u.s.seq_len || *p == '\0')) { |
108 | if (q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0') { | |
5cf8141d | 109 | return 0; |
a0928c1e | 110 | } else { |
3151a51d PP |
111 | if (estack_ax(stack, top)->u.s.literal_type == |
112 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
5cf8141d MD |
113 | ret = parse_char(&q); |
114 | if (ret == -1) | |
115 | return 0; | |
116 | } | |
117 | return -1; | |
a0928c1e | 118 | } |
97b58163 | 119 | } |
332335cd | 120 | if (unlikely(q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0')) { |
3151a51d PP |
121 | if (estack_bx(stack, top)->u.s.literal_type == |
122 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
3e6a0694 MD |
123 | ret = parse_char(&p); |
124 | if (ret == -1) | |
125 | return 0; | |
a0928c1e | 126 | } |
3e6a0694 | 127 | return 1; |
97b58163 | 128 | } |
3151a51d PP |
129 | if (estack_bx(stack, top)->u.s.literal_type == |
130 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
97b58163 MD |
131 | ret = parse_char(&p); |
132 | if (ret == -1) { | |
133 | return 0; | |
134 | } else if (ret == -2) { | |
135 | escaped_r0 = 1; | |
136 | } | |
137 | /* else compare both char */ | |
138 | } | |
3151a51d PP |
139 | if (estack_ax(stack, top)->u.s.literal_type == |
140 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
97b58163 MD |
141 | ret = parse_char(&q); |
142 | if (ret == -1) { | |
143 | return 0; | |
144 | } else if (ret == -2) { | |
145 | if (!escaped_r0) | |
146 | return -1; | |
147 | } else { | |
148 | if (escaped_r0) | |
149 | return 1; | |
150 | } | |
151 | } else { | |
152 | if (escaped_r0) | |
153 | return 1; | |
154 | } | |
155 | diff = *p - *q; | |
156 | if (diff != 0) | |
157 | break; | |
158 | p++; | |
159 | q++; | |
160 | } | |
161 | return diff; | |
162 | } | |
163 | ||
8a92ed2a | 164 | uint64_t lttng_filter_false(void *filter_data, |
97b58163 MD |
165 | const char *filter_stack_data) |
166 | { | |
167 | return 0; | |
168 | } | |
169 | ||
170 | #ifdef INTERPRETER_USE_SWITCH | |
171 | ||
172 | /* | |
173 | * Fallback for compilers that do not support taking address of labels. | |
174 | */ | |
175 | ||
176 | #define START_OP \ | |
177 | start_pc = &bytecode->data[0]; \ | |
178 | for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; \ | |
179 | pc = next_pc) { \ | |
180 | dbg_printf("Executing op %s (%u)\n", \ | |
181 | print_op((unsigned int) *(filter_opcode_t *) pc), \ | |
182 | (unsigned int) *(filter_opcode_t *) pc); \ | |
183 | switch (*(filter_opcode_t *) pc) { | |
184 | ||
53569322 MD |
185 | #define OP(name) jump_target_##name: __attribute__((unused)); \ |
186 | case name | |
97b58163 MD |
187 | |
188 | #define PO break | |
189 | ||
190 | #define END_OP } \ | |
191 | } | |
192 | ||
53569322 MD |
193 | #define JUMP_TO(name) \ |
194 | goto jump_target_##name | |
195 | ||
97b58163 MD |
196 | #else |
197 | ||
198 | /* | |
199 | * Dispatch-table based interpreter. | |
200 | */ | |
201 | ||
202 | #define START_OP \ | |
47e5f13e | 203 | start_pc = &bytecode->code[0]; \ |
97b58163 MD |
204 | pc = next_pc = start_pc; \ |
205 | if (unlikely(pc - start_pc >= bytecode->len)) \ | |
206 | goto end; \ | |
207 | goto *dispatch[*(filter_opcode_t *) pc]; | |
208 | ||
209 | #define OP(name) \ | |
210 | LABEL_##name | |
211 | ||
212 | #define PO \ | |
213 | pc = next_pc; \ | |
214 | goto *dispatch[*(filter_opcode_t *) pc]; | |
215 | ||
216 | #define END_OP | |
217 | ||
53569322 MD |
218 | #define JUMP_TO(name) \ |
219 | goto LABEL_##name | |
220 | ||
97b58163 MD |
221 | #endif |
222 | ||
47e5f13e MD |
223 | static int context_get_index(struct lttng_ctx *ctx, |
224 | struct load_ptr *ptr, | |
225 | uint32_t idx) | |
226 | { | |
227 | ||
228 | struct lttng_ctx_field *ctx_field; | |
229 | struct lttng_event_field *field; | |
230 | struct lttng_ctx_value v; | |
231 | ||
232 | ctx_field = &ctx->fields[idx]; | |
233 | field = &ctx_field->event_field; | |
234 | ptr->type = LOAD_OBJECT; | |
235 | /* field is only used for types nested within variants. */ | |
236 | ptr->field = NULL; | |
237 | ||
238 | switch (field->type.atype) { | |
239 | case atype_integer: | |
240 | ctx_field->get_value(ctx_field, &v); | |
218deb69 | 241 | if (field->type.u.integer.signedness) { |
47e5f13e MD |
242 | ptr->object_type = OBJECT_TYPE_S64; |
243 | ptr->u.s64 = v.u.s64; | |
244 | ptr->ptr = &ptr->u.s64; | |
245 | } else { | |
246 | ptr->object_type = OBJECT_TYPE_U64; | |
247 | ptr->u.u64 = v.u.s64; /* Cast. */ | |
248 | ptr->ptr = &ptr->u.u64; | |
249 | } | |
250 | break; | |
218deb69 MD |
251 | case atype_enum: /* Fall-through */ |
252 | case atype_enum_nestable: | |
47e5f13e | 253 | { |
218deb69 | 254 | const struct lttng_integer_type *itype; |
47e5f13e | 255 | |
218deb69 MD |
256 | if (field->type.atype == atype_enum) { |
257 | itype = &field->type.u.legacy.basic.enumeration.container_type; | |
258 | } else { | |
259 | itype = &field->type.u.enum_nestable.container_type->u.integer; | |
260 | } | |
47e5f13e MD |
261 | ctx_field->get_value(ctx_field, &v); |
262 | if (itype->signedness) { | |
263 | ptr->object_type = OBJECT_TYPE_S64; | |
264 | ptr->u.s64 = v.u.s64; | |
265 | ptr->ptr = &ptr->u.s64; | |
266 | } else { | |
267 | ptr->object_type = OBJECT_TYPE_U64; | |
268 | ptr->u.u64 = v.u.s64; /* Cast. */ | |
269 | ptr->ptr = &ptr->u.u64; | |
270 | } | |
271 | break; | |
272 | } | |
273 | case atype_array: | |
218deb69 MD |
274 | if (field->type.u.legacy.array.elem_type.atype != atype_integer) { |
275 | ERR("Array nesting only supports integer types."); | |
276 | return -EINVAL; | |
277 | } | |
278 | if (field->type.u.legacy.array.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
279 | ERR("Only string arrays are supported for contexts."); | |
280 | return -EINVAL; | |
281 | } | |
282 | ptr->object_type = OBJECT_TYPE_STRING; | |
283 | ctx_field->get_value(ctx_field, &v); | |
284 | ptr->ptr = v.u.str; | |
285 | break; | |
286 | case atype_array_nestable: | |
287 | if (field->type.u.array_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
288 | ERR("Array nesting only supports integer types."); |
289 | return -EINVAL; | |
290 | } | |
218deb69 | 291 | if (field->type.u.array_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
292 | ERR("Only string arrays are supported for contexts."); |
293 | return -EINVAL; | |
294 | } | |
295 | ptr->object_type = OBJECT_TYPE_STRING; | |
296 | ctx_field->get_value(ctx_field, &v); | |
297 | ptr->ptr = v.u.str; | |
298 | break; | |
299 | case atype_sequence: | |
218deb69 MD |
300 | if (field->type.u.legacy.sequence.elem_type.atype != atype_integer) { |
301 | ERR("Sequence nesting only supports integer types."); | |
302 | return -EINVAL; | |
303 | } | |
304 | if (field->type.u.legacy.sequence.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
305 | ERR("Only string sequences are supported for contexts."); | |
306 | return -EINVAL; | |
307 | } | |
308 | ptr->object_type = OBJECT_TYPE_STRING; | |
309 | ctx_field->get_value(ctx_field, &v); | |
310 | ptr->ptr = v.u.str; | |
311 | break; | |
312 | case atype_sequence_nestable: | |
313 | if (field->type.u.sequence_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
314 | ERR("Sequence nesting only supports integer types."); |
315 | return -EINVAL; | |
316 | } | |
218deb69 | 317 | if (field->type.u.sequence_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
318 | ERR("Only string sequences are supported for contexts."); |
319 | return -EINVAL; | |
320 | } | |
321 | ptr->object_type = OBJECT_TYPE_STRING; | |
322 | ctx_field->get_value(ctx_field, &v); | |
323 | ptr->ptr = v.u.str; | |
324 | break; | |
325 | case atype_string: | |
326 | ptr->object_type = OBJECT_TYPE_STRING; | |
327 | ctx_field->get_value(ctx_field, &v); | |
328 | ptr->ptr = v.u.str; | |
329 | break; | |
330 | case atype_float: | |
331 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
0245c698 | 332 | ctx_field->get_value(ctx_field, &v); |
47e5f13e MD |
333 | ptr->u.d = v.u.d; |
334 | ptr->ptr = &ptr->u.d; | |
335 | break; | |
336 | case atype_dynamic: | |
337 | ctx_field->get_value(ctx_field, &v); | |
338 | switch (v.sel) { | |
339 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
340 | return -EINVAL; | |
341 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
342 | ptr->object_type = OBJECT_TYPE_S64; | |
343 | ptr->u.s64 = v.u.s64; | |
344 | ptr->ptr = &ptr->u.s64; | |
345 | dbg_printf("context get index dynamic s64 %" PRIi64 "\n", ptr->u.s64); | |
346 | break; | |
347 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
348 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
349 | ptr->u.d = v.u.d; | |
350 | ptr->ptr = &ptr->u.d; | |
351 | dbg_printf("context get index dynamic double %g\n", ptr->u.d); | |
352 | break; | |
353 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
354 | ptr->object_type = OBJECT_TYPE_STRING; | |
355 | ptr->ptr = v.u.str; | |
356 | dbg_printf("context get index dynamic string %s\n", (const char *) ptr->ptr); | |
357 | break; | |
358 | default: | |
359 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
360 | return -EINVAL; | |
361 | } | |
362 | break; | |
363 | case atype_struct: | |
364 | ERR("Structure type cannot be loaded."); | |
365 | return -EINVAL; | |
366 | default: | |
367 | ERR("Unknown type: %d", (int) field->type.atype); | |
368 | return -EINVAL; | |
369 | } | |
370 | return 0; | |
371 | } | |
372 | ||
373 | static int dynamic_get_index(struct lttng_session *session, | |
374 | struct bytecode_runtime *runtime, | |
375 | uint64_t index, struct estack_entry *stack_top) | |
376 | { | |
377 | int ret; | |
378 | const struct filter_get_index_data *gid; | |
379 | ||
380 | /* | |
381 | * Types nested within variants need to perform dynamic lookup | |
382 | * based on the field descriptions. LTTng-UST does not implement | |
383 | * variants for now. | |
384 | */ | |
385 | if (stack_top->u.ptr.field) | |
386 | return -EINVAL; | |
387 | gid = (const struct filter_get_index_data *) &runtime->data[index]; | |
388 | switch (stack_top->u.ptr.type) { | |
389 | case LOAD_OBJECT: | |
390 | switch (stack_top->u.ptr.object_type) { | |
391 | case OBJECT_TYPE_ARRAY: | |
392 | { | |
393 | const char *ptr; | |
394 | ||
395 | assert(gid->offset < gid->array_len); | |
396 | /* Skip count (unsigned long) */ | |
397 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
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_SEQUENCE: | |
407 | { | |
408 | const char *ptr; | |
409 | size_t ptr_seq_len; | |
410 | ||
411 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
412 | ptr_seq_len = *(unsigned long *) stack_top->u.ptr.ptr; | |
413 | if (gid->offset >= gid->elem.len * ptr_seq_len) { | |
414 | ret = -EINVAL; | |
415 | goto end; | |
416 | } | |
417 | ptr = ptr + gid->offset; | |
418 | stack_top->u.ptr.ptr = ptr; | |
419 | stack_top->u.ptr.object_type = gid->elem.type; | |
420 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
421 | /* field is only used for types nested within variants. */ | |
422 | stack_top->u.ptr.field = NULL; | |
423 | break; | |
424 | } | |
425 | case OBJECT_TYPE_STRUCT: | |
426 | ERR("Nested structures are not supported yet."); | |
427 | ret = -EINVAL; | |
428 | goto end; | |
429 | case OBJECT_TYPE_VARIANT: | |
430 | default: | |
431 | ERR("Unexpected get index type %d", | |
432 | (int) stack_top->u.ptr.object_type); | |
433 | ret = -EINVAL; | |
434 | goto end; | |
435 | } | |
436 | break; | |
437 | case LOAD_ROOT_CONTEXT: | |
438 | case LOAD_ROOT_APP_CONTEXT: /* Fall-through */ | |
439 | { | |
440 | struct lttng_ctx *ctx; | |
441 | ||
442 | ctx = rcu_dereference(session->ctx); | |
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; | |
527 | stack_top->type = REG_S64; | |
528 | break; | |
529 | case OBJECT_TYPE_U16: | |
530 | { | |
531 | uint16_t tmp; | |
532 | ||
533 | dbg_printf("op load field s16\n"); | |
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; | |
538 | stack_top->type = REG_S64; | |
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; | |
550 | stack_top->type = REG_S64; | |
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; | |
562 | stack_top->type = REG_S64; | |
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; | |
53569322 | 637 | struct lttng_session *session = bytecode->p.session; |
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): | |
8a92ed2a | 796 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
47e5f13e MD |
797 | /* Handle dynamic typing. */ |
798 | switch (estack_ax_t) { | |
799 | case REG_S64: | |
800 | retval = !!estack_ax_v; | |
801 | break; | |
802 | case REG_DOUBLE: | |
803 | case REG_STRING: | |
804 | case REG_STAR_GLOB_STRING: | |
805 | default: | |
806 | ret = -EINVAL; | |
807 | goto end; | |
808 | } | |
97b58163 MD |
809 | ret = 0; |
810 | goto end; | |
811 | ||
93c591bb MD |
812 | OP(FILTER_OP_RETURN_S64): |
813 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ | |
814 | retval = !!estack_ax_v; | |
815 | ret = 0; | |
816 | goto end; | |
817 | ||
97b58163 MD |
818 | /* binary */ |
819 | OP(FILTER_OP_MUL): | |
820 | OP(FILTER_OP_DIV): | |
821 | OP(FILTER_OP_MOD): | |
822 | OP(FILTER_OP_PLUS): | |
823 | OP(FILTER_OP_MINUS): | |
47e5f13e | 824 | ERR("unsupported bytecode op %u", |
97b58163 MD |
825 | (unsigned int) *(filter_opcode_t *) pc); |
826 | ret = -EINVAL; | |
827 | goto end; | |
828 | ||
829 | OP(FILTER_OP_EQ): | |
53569322 MD |
830 | { |
831 | /* Dynamic typing. */ | |
832 | switch (estack_ax_t) { | |
833 | case REG_S64: | |
834 | switch (estack_bx_t) { | |
835 | case REG_S64: | |
836 | JUMP_TO(FILTER_OP_EQ_S64); | |
837 | case REG_DOUBLE: | |
838 | JUMP_TO(FILTER_OP_EQ_DOUBLE_S64); | |
3151a51d PP |
839 | case REG_STRING: /* Fall-through */ |
840 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
841 | ret = -EINVAL; |
842 | goto end; | |
843 | default: | |
844 | ERR("Unknown filter register type (%d)", | |
845 | (int) estack_bx_t); | |
846 | ret = -EINVAL; | |
847 | goto end; | |
848 | } | |
849 | break; | |
850 | case REG_DOUBLE: | |
851 | switch (estack_bx_t) { | |
852 | case REG_S64: | |
853 | JUMP_TO(FILTER_OP_EQ_S64_DOUBLE); | |
854 | case REG_DOUBLE: | |
855 | JUMP_TO(FILTER_OP_EQ_DOUBLE); | |
3151a51d PP |
856 | case REG_STRING: /* Fall-through */ |
857 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
858 | ret = -EINVAL; |
859 | goto end; | |
860 | default: | |
861 | ERR("Unknown filter register type (%d)", | |
862 | (int) estack_bx_t); | |
863 | ret = -EINVAL; | |
864 | goto end; | |
865 | } | |
866 | break; | |
867 | case REG_STRING: | |
868 | switch (estack_bx_t) { | |
869 | case REG_S64: /* Fall-through */ | |
870 | case REG_DOUBLE: | |
871 | ret = -EINVAL; | |
872 | goto end; | |
873 | case REG_STRING: | |
874 | JUMP_TO(FILTER_OP_EQ_STRING); | |
3151a51d PP |
875 | case REG_STAR_GLOB_STRING: |
876 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
877 | default: | |
878 | ERR("Unknown filter register type (%d)", | |
879 | (int) estack_bx_t); | |
880 | ret = -EINVAL; | |
881 | goto end; | |
882 | } | |
883 | break; | |
884 | case REG_STAR_GLOB_STRING: | |
885 | switch (estack_bx_t) { | |
886 | case REG_S64: /* Fall-through */ | |
887 | case REG_DOUBLE: | |
888 | ret = -EINVAL; | |
889 | goto end; | |
890 | case REG_STRING: | |
891 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
892 | case REG_STAR_GLOB_STRING: | |
893 | ret = -EINVAL; | |
894 | goto end; | |
53569322 MD |
895 | default: |
896 | ERR("Unknown filter register type (%d)", | |
897 | (int) estack_bx_t); | |
898 | ret = -EINVAL; | |
899 | goto end; | |
900 | } | |
901 | break; | |
902 | default: | |
903 | ERR("Unknown filter register type (%d)", | |
904 | (int) estack_ax_t); | |
905 | ret = -EINVAL; | |
906 | goto end; | |
907 | } | |
908 | } | |
97b58163 | 909 | OP(FILTER_OP_NE): |
53569322 MD |
910 | { |
911 | /* Dynamic typing. */ | |
912 | switch (estack_ax_t) { | |
913 | case REG_S64: | |
914 | switch (estack_bx_t) { | |
915 | case REG_S64: | |
916 | JUMP_TO(FILTER_OP_NE_S64); | |
917 | case REG_DOUBLE: | |
918 | JUMP_TO(FILTER_OP_NE_DOUBLE_S64); | |
3151a51d PP |
919 | case REG_STRING: /* Fall-through */ |
920 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
921 | ret = -EINVAL; |
922 | goto end; | |
923 | default: | |
924 | ERR("Unknown filter register type (%d)", | |
925 | (int) estack_bx_t); | |
926 | ret = -EINVAL; | |
927 | goto end; | |
928 | } | |
929 | break; | |
930 | case REG_DOUBLE: | |
931 | switch (estack_bx_t) { | |
932 | case REG_S64: | |
933 | JUMP_TO(FILTER_OP_NE_S64_DOUBLE); | |
934 | case REG_DOUBLE: | |
935 | JUMP_TO(FILTER_OP_NE_DOUBLE); | |
3151a51d PP |
936 | case REG_STRING: /* Fall-through */ |
937 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
938 | ret = -EINVAL; |
939 | goto end; | |
940 | default: | |
941 | ERR("Unknown filter register type (%d)", | |
942 | (int) estack_bx_t); | |
943 | ret = -EINVAL; | |
944 | goto end; | |
945 | } | |
946 | break; | |
947 | case REG_STRING: | |
948 | switch (estack_bx_t) { | |
949 | case REG_S64: /* Fall-through */ | |
950 | case REG_DOUBLE: | |
951 | ret = -EINVAL; | |
952 | goto end; | |
953 | case REG_STRING: | |
954 | JUMP_TO(FILTER_OP_NE_STRING); | |
3151a51d PP |
955 | case REG_STAR_GLOB_STRING: |
956 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
957 | default: | |
958 | ERR("Unknown filter register type (%d)", | |
959 | (int) estack_bx_t); | |
960 | ret = -EINVAL; | |
961 | goto end; | |
962 | } | |
963 | break; | |
964 | case REG_STAR_GLOB_STRING: | |
965 | switch (estack_bx_t) { | |
966 | case REG_S64: /* Fall-through */ | |
967 | case REG_DOUBLE: | |
968 | ret = -EINVAL; | |
969 | goto end; | |
970 | case REG_STRING: | |
971 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
972 | case REG_STAR_GLOB_STRING: | |
973 | ret = -EINVAL; | |
974 | goto end; | |
53569322 MD |
975 | default: |
976 | ERR("Unknown filter register type (%d)", | |
977 | (int) estack_bx_t); | |
978 | ret = -EINVAL; | |
979 | goto end; | |
980 | } | |
981 | break; | |
982 | default: | |
983 | ERR("Unknown filter register type (%d)", | |
984 | (int) estack_ax_t); | |
985 | ret = -EINVAL; | |
986 | goto end; | |
987 | } | |
988 | } | |
97b58163 | 989 | OP(FILTER_OP_GT): |
53569322 MD |
990 | { |
991 | /* Dynamic typing. */ | |
992 | switch (estack_ax_t) { | |
993 | case REG_S64: | |
994 | switch (estack_bx_t) { | |
995 | case REG_S64: | |
996 | JUMP_TO(FILTER_OP_GT_S64); | |
997 | case REG_DOUBLE: | |
998 | JUMP_TO(FILTER_OP_GT_DOUBLE_S64); | |
3151a51d PP |
999 | case REG_STRING: /* Fall-through */ |
1000 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1001 | ret = -EINVAL; |
1002 | goto end; | |
1003 | default: | |
1004 | ERR("Unknown filter register type (%d)", | |
1005 | (int) estack_bx_t); | |
1006 | ret = -EINVAL; | |
1007 | goto end; | |
1008 | } | |
1009 | break; | |
1010 | case REG_DOUBLE: | |
1011 | switch (estack_bx_t) { | |
1012 | case REG_S64: | |
1013 | JUMP_TO(FILTER_OP_GT_S64_DOUBLE); | |
1014 | case REG_DOUBLE: | |
1015 | JUMP_TO(FILTER_OP_GT_DOUBLE); | |
3151a51d PP |
1016 | case REG_STRING: /* Fall-through */ |
1017 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1018 | ret = -EINVAL; |
1019 | goto end; | |
1020 | default: | |
1021 | ERR("Unknown filter register type (%d)", | |
1022 | (int) estack_bx_t); | |
1023 | ret = -EINVAL; | |
1024 | goto end; | |
1025 | } | |
1026 | break; | |
1027 | case REG_STRING: | |
1028 | switch (estack_bx_t) { | |
1029 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1030 | case REG_DOUBLE: /* Fall-through */ |
1031 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1032 | ret = -EINVAL; |
1033 | goto end; | |
1034 | case REG_STRING: | |
1035 | JUMP_TO(FILTER_OP_GT_STRING); | |
1036 | default: | |
1037 | ERR("Unknown filter register type (%d)", | |
1038 | (int) estack_bx_t); | |
1039 | ret = -EINVAL; | |
1040 | goto end; | |
1041 | } | |
1042 | break; | |
1043 | default: | |
1044 | ERR("Unknown filter register type (%d)", | |
1045 | (int) estack_ax_t); | |
1046 | ret = -EINVAL; | |
1047 | goto end; | |
1048 | } | |
1049 | } | |
97b58163 | 1050 | OP(FILTER_OP_LT): |
53569322 MD |
1051 | { |
1052 | /* Dynamic typing. */ | |
1053 | switch (estack_ax_t) { | |
1054 | case REG_S64: | |
1055 | switch (estack_bx_t) { | |
1056 | case REG_S64: | |
1057 | JUMP_TO(FILTER_OP_LT_S64); | |
1058 | case REG_DOUBLE: | |
1059 | JUMP_TO(FILTER_OP_LT_DOUBLE_S64); | |
3151a51d PP |
1060 | case REG_STRING: /* Fall-through */ |
1061 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1062 | ret = -EINVAL; |
1063 | goto end; | |
1064 | default: | |
1065 | ERR("Unknown filter register type (%d)", | |
1066 | (int) estack_bx_t); | |
1067 | ret = -EINVAL; | |
1068 | goto end; | |
1069 | } | |
1070 | break; | |
1071 | case REG_DOUBLE: | |
1072 | switch (estack_bx_t) { | |
1073 | case REG_S64: | |
1074 | JUMP_TO(FILTER_OP_LT_S64_DOUBLE); | |
1075 | case REG_DOUBLE: | |
1076 | JUMP_TO(FILTER_OP_LT_DOUBLE); | |
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_STRING: | |
1089 | switch (estack_bx_t) { | |
1090 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1091 | case REG_DOUBLE: /* Fall-through */ |
1092 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1093 | ret = -EINVAL; |
1094 | goto end; | |
1095 | case REG_STRING: | |
1096 | JUMP_TO(FILTER_OP_LT_STRING); | |
1097 | default: | |
1098 | ERR("Unknown filter register type (%d)", | |
1099 | (int) estack_bx_t); | |
1100 | ret = -EINVAL; | |
1101 | goto end; | |
1102 | } | |
1103 | break; | |
1104 | default: | |
1105 | ERR("Unknown filter register type (%d)", | |
1106 | (int) estack_ax_t); | |
1107 | ret = -EINVAL; | |
1108 | goto end; | |
1109 | } | |
1110 | } | |
97b58163 | 1111 | OP(FILTER_OP_GE): |
53569322 MD |
1112 | { |
1113 | /* Dynamic typing. */ | |
1114 | switch (estack_ax_t) { | |
1115 | case REG_S64: | |
1116 | switch (estack_bx_t) { | |
1117 | case REG_S64: | |
1118 | JUMP_TO(FILTER_OP_GE_S64); | |
1119 | case REG_DOUBLE: | |
1120 | JUMP_TO(FILTER_OP_GE_DOUBLE_S64); | |
3151a51d PP |
1121 | case REG_STRING: /* Fall-through */ |
1122 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1123 | ret = -EINVAL; |
1124 | goto end; | |
1125 | default: | |
1126 | ERR("Unknown filter register type (%d)", | |
1127 | (int) estack_bx_t); | |
1128 | ret = -EINVAL; | |
1129 | goto end; | |
1130 | } | |
1131 | break; | |
1132 | case REG_DOUBLE: | |
1133 | switch (estack_bx_t) { | |
1134 | case REG_S64: | |
1135 | JUMP_TO(FILTER_OP_GE_S64_DOUBLE); | |
1136 | case REG_DOUBLE: | |
1137 | JUMP_TO(FILTER_OP_GE_DOUBLE); | |
3151a51d PP |
1138 | case REG_STRING: /* Fall-through */ |
1139 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1140 | ret = -EINVAL; |
1141 | goto end; | |
1142 | default: | |
1143 | ERR("Unknown filter register type (%d)", | |
1144 | (int) estack_bx_t); | |
1145 | ret = -EINVAL; | |
1146 | goto end; | |
1147 | } | |
1148 | break; | |
1149 | case REG_STRING: | |
1150 | switch (estack_bx_t) { | |
1151 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1152 | case REG_DOUBLE: /* Fall-through */ |
1153 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1154 | ret = -EINVAL; |
1155 | goto end; | |
1156 | case REG_STRING: | |
1157 | JUMP_TO(FILTER_OP_GE_STRING); | |
1158 | default: | |
1159 | ERR("Unknown filter register type (%d)", | |
1160 | (int) estack_bx_t); | |
1161 | ret = -EINVAL; | |
1162 | goto end; | |
1163 | } | |
1164 | break; | |
1165 | default: | |
1166 | ERR("Unknown filter register type (%d)", | |
1167 | (int) estack_ax_t); | |
1168 | ret = -EINVAL; | |
1169 | goto end; | |
1170 | } | |
1171 | } | |
97b58163 | 1172 | OP(FILTER_OP_LE): |
53569322 MD |
1173 | { |
1174 | /* Dynamic typing. */ | |
1175 | switch (estack_ax_t) { | |
1176 | case REG_S64: | |
1177 | switch (estack_bx_t) { | |
1178 | case REG_S64: | |
1179 | JUMP_TO(FILTER_OP_LE_S64); | |
1180 | case REG_DOUBLE: | |
1181 | JUMP_TO(FILTER_OP_LE_DOUBLE_S64); | |
3151a51d PP |
1182 | case REG_STRING: /* Fall-through */ |
1183 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1184 | ret = -EINVAL; |
1185 | goto end; | |
1186 | default: | |
1187 | ERR("Unknown filter register type (%d)", | |
1188 | (int) estack_bx_t); | |
1189 | ret = -EINVAL; | |
1190 | goto end; | |
1191 | } | |
1192 | break; | |
1193 | case REG_DOUBLE: | |
1194 | switch (estack_bx_t) { | |
1195 | case REG_S64: | |
1196 | JUMP_TO(FILTER_OP_LE_S64_DOUBLE); | |
1197 | case REG_DOUBLE: | |
1198 | JUMP_TO(FILTER_OP_LE_DOUBLE); | |
3151a51d PP |
1199 | case REG_STRING: /* Fall-through */ |
1200 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1201 | ret = -EINVAL; |
1202 | goto end; | |
1203 | default: | |
1204 | ERR("Unknown filter register type (%d)", | |
1205 | (int) estack_bx_t); | |
1206 | ret = -EINVAL; | |
1207 | goto end; | |
1208 | } | |
1209 | break; | |
1210 | case REG_STRING: | |
1211 | switch (estack_bx_t) { | |
1212 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1213 | case REG_DOUBLE: /* Fall-through */ |
1214 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1215 | ret = -EINVAL; |
1216 | goto end; | |
1217 | case REG_STRING: | |
1218 | JUMP_TO(FILTER_OP_LE_STRING); | |
1219 | default: | |
1220 | ERR("Unknown filter register type (%d)", | |
1221 | (int) estack_bx_t); | |
1222 | ret = -EINVAL; | |
1223 | goto end; | |
1224 | } | |
1225 | break; | |
1226 | default: | |
1227 | ERR("Unknown filter register type (%d)", | |
1228 | (int) estack_ax_t); | |
1229 | ret = -EINVAL; | |
1230 | goto end; | |
1231 | } | |
1232 | } | |
97b58163 MD |
1233 | |
1234 | OP(FILTER_OP_EQ_STRING): | |
1235 | { | |
0305960f MD |
1236 | int res; |
1237 | ||
9b33aac4 | 1238 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 1239 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1240 | estack_ax_v = res; |
53569322 | 1241 | estack_ax_t = REG_S64; |
97b58163 MD |
1242 | next_pc += sizeof(struct binary_op); |
1243 | PO; | |
1244 | } | |
1245 | OP(FILTER_OP_NE_STRING): | |
1246 | { | |
0305960f MD |
1247 | int res; |
1248 | ||
9b33aac4 | 1249 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 1250 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1251 | estack_ax_v = res; |
53569322 | 1252 | estack_ax_t = REG_S64; |
97b58163 MD |
1253 | next_pc += sizeof(struct binary_op); |
1254 | PO; | |
1255 | } | |
1256 | OP(FILTER_OP_GT_STRING): | |
1257 | { | |
0305960f MD |
1258 | int res; |
1259 | ||
9b33aac4 | 1260 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 1261 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1262 | estack_ax_v = res; |
53569322 | 1263 | estack_ax_t = REG_S64; |
97b58163 MD |
1264 | next_pc += sizeof(struct binary_op); |
1265 | PO; | |
1266 | } | |
1267 | OP(FILTER_OP_LT_STRING): | |
1268 | { | |
0305960f MD |
1269 | int res; |
1270 | ||
9b33aac4 | 1271 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 1272 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1273 | estack_ax_v = res; |
53569322 | 1274 | estack_ax_t = REG_S64; |
97b58163 MD |
1275 | next_pc += sizeof(struct binary_op); |
1276 | PO; | |
1277 | } | |
1278 | OP(FILTER_OP_GE_STRING): | |
1279 | { | |
0305960f MD |
1280 | int res; |
1281 | ||
9b33aac4 | 1282 | res = (stack_strcmp(stack, top, ">=") >= 0); |
53569322 | 1283 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1284 | estack_ax_v = res; |
53569322 | 1285 | estack_ax_t = REG_S64; |
97b58163 MD |
1286 | next_pc += sizeof(struct binary_op); |
1287 | PO; | |
1288 | } | |
1289 | OP(FILTER_OP_LE_STRING): | |
1290 | { | |
0305960f MD |
1291 | int res; |
1292 | ||
9b33aac4 | 1293 | res = (stack_strcmp(stack, top, "<=") <= 0); |
53569322 | 1294 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1295 | estack_ax_v = res; |
53569322 | 1296 | estack_ax_t = REG_S64; |
97b58163 MD |
1297 | next_pc += sizeof(struct binary_op); |
1298 | PO; | |
1299 | } | |
1300 | ||
3151a51d PP |
1301 | OP(FILTER_OP_EQ_STAR_GLOB_STRING): |
1302 | { | |
1303 | int res; | |
1304 | ||
1305 | res = (stack_star_glob_match(stack, top, "==") == 0); | |
1306 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1307 | estack_ax_v = res; | |
1308 | estack_ax_t = REG_S64; | |
1309 | next_pc += sizeof(struct binary_op); | |
1310 | PO; | |
1311 | } | |
1312 | OP(FILTER_OP_NE_STAR_GLOB_STRING): | |
1313 | { | |
1314 | int res; | |
1315 | ||
1316 | res = (stack_star_glob_match(stack, top, "!=") != 0); | |
1317 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1318 | estack_ax_v = res; | |
1319 | estack_ax_t = REG_S64; | |
1320 | next_pc += sizeof(struct binary_op); | |
1321 | PO; | |
1322 | } | |
1323 | ||
97b58163 MD |
1324 | OP(FILTER_OP_EQ_S64): |
1325 | { | |
0305960f MD |
1326 | int res; |
1327 | ||
9b33aac4 | 1328 | res = (estack_bx_v == estack_ax_v); |
53569322 | 1329 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1330 | estack_ax_v = res; |
53569322 | 1331 | estack_ax_t = REG_S64; |
97b58163 MD |
1332 | next_pc += sizeof(struct binary_op); |
1333 | PO; | |
1334 | } | |
1335 | OP(FILTER_OP_NE_S64): | |
1336 | { | |
0305960f MD |
1337 | int res; |
1338 | ||
9b33aac4 | 1339 | res = (estack_bx_v != estack_ax_v); |
53569322 | 1340 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1341 | estack_ax_v = res; |
53569322 | 1342 | estack_ax_t = REG_S64; |
97b58163 MD |
1343 | next_pc += sizeof(struct binary_op); |
1344 | PO; | |
1345 | } | |
1346 | OP(FILTER_OP_GT_S64): | |
1347 | { | |
0305960f MD |
1348 | int res; |
1349 | ||
9b33aac4 | 1350 | res = (estack_bx_v > estack_ax_v); |
53569322 | 1351 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1352 | estack_ax_v = res; |
53569322 | 1353 | estack_ax_t = REG_S64; |
97b58163 MD |
1354 | next_pc += sizeof(struct binary_op); |
1355 | PO; | |
1356 | } | |
1357 | OP(FILTER_OP_LT_S64): | |
1358 | { | |
0305960f MD |
1359 | int res; |
1360 | ||
9b33aac4 | 1361 | res = (estack_bx_v < estack_ax_v); |
53569322 | 1362 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1363 | estack_ax_v = res; |
53569322 | 1364 | estack_ax_t = REG_S64; |
97b58163 MD |
1365 | next_pc += sizeof(struct binary_op); |
1366 | PO; | |
1367 | } | |
1368 | OP(FILTER_OP_GE_S64): | |
1369 | { | |
0305960f MD |
1370 | int res; |
1371 | ||
9b33aac4 | 1372 | res = (estack_bx_v >= estack_ax_v); |
53569322 | 1373 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1374 | estack_ax_v = res; |
53569322 | 1375 | estack_ax_t = REG_S64; |
97b58163 MD |
1376 | next_pc += sizeof(struct binary_op); |
1377 | PO; | |
1378 | } | |
1379 | OP(FILTER_OP_LE_S64): | |
1380 | { | |
0305960f MD |
1381 | int res; |
1382 | ||
9b33aac4 | 1383 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 1384 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1385 | estack_ax_v = res; |
53569322 | 1386 | estack_ax_t = REG_S64; |
97b58163 MD |
1387 | next_pc += sizeof(struct binary_op); |
1388 | PO; | |
1389 | } | |
1390 | ||
1391 | OP(FILTER_OP_EQ_DOUBLE): | |
1392 | { | |
0305960f MD |
1393 | int res; |
1394 | ||
9b33aac4 | 1395 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 1396 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1397 | estack_ax_v = res; |
53569322 | 1398 | estack_ax_t = REG_S64; |
97b58163 MD |
1399 | next_pc += sizeof(struct binary_op); |
1400 | PO; | |
1401 | } | |
1402 | OP(FILTER_OP_NE_DOUBLE): | |
1403 | { | |
0305960f MD |
1404 | int res; |
1405 | ||
9b33aac4 | 1406 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 1407 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1408 | estack_ax_v = res; |
53569322 | 1409 | estack_ax_t = REG_S64; |
97b58163 MD |
1410 | next_pc += sizeof(struct binary_op); |
1411 | PO; | |
1412 | } | |
1413 | OP(FILTER_OP_GT_DOUBLE): | |
1414 | { | |
0305960f MD |
1415 | int res; |
1416 | ||
9b33aac4 | 1417 | res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); |
53569322 | 1418 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1419 | estack_ax_v = res; |
53569322 | 1420 | estack_ax_t = REG_S64; |
97b58163 MD |
1421 | next_pc += sizeof(struct binary_op); |
1422 | PO; | |
1423 | } | |
1424 | OP(FILTER_OP_LT_DOUBLE): | |
1425 | { | |
0305960f MD |
1426 | int res; |
1427 | ||
9b33aac4 | 1428 | res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); |
53569322 | 1429 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1430 | estack_ax_v = res; |
53569322 | 1431 | estack_ax_t = REG_S64; |
97b58163 MD |
1432 | next_pc += sizeof(struct binary_op); |
1433 | PO; | |
1434 | } | |
1435 | OP(FILTER_OP_GE_DOUBLE): | |
1436 | { | |
0305960f MD |
1437 | int res; |
1438 | ||
9b33aac4 | 1439 | res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); |
53569322 | 1440 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1441 | estack_ax_v = res; |
53569322 | 1442 | estack_ax_t = REG_S64; |
97b58163 MD |
1443 | next_pc += sizeof(struct binary_op); |
1444 | PO; | |
1445 | } | |
1446 | OP(FILTER_OP_LE_DOUBLE): | |
1447 | { | |
0305960f MD |
1448 | int res; |
1449 | ||
9b33aac4 | 1450 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 1451 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1452 | estack_ax_v = res; |
53569322 | 1453 | estack_ax_t = REG_S64; |
dbea82ec MD |
1454 | next_pc += sizeof(struct binary_op); |
1455 | PO; | |
1456 | } | |
1457 | ||
1458 | /* Mixed S64-double binary comparators */ | |
1459 | OP(FILTER_OP_EQ_DOUBLE_S64): | |
1460 | { | |
1461 | int res; | |
1462 | ||
9b33aac4 | 1463 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
53569322 | 1464 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1465 | estack_ax_v = res; |
53569322 | 1466 | estack_ax_t = REG_S64; |
dbea82ec MD |
1467 | next_pc += sizeof(struct binary_op); |
1468 | PO; | |
1469 | } | |
1470 | OP(FILTER_OP_NE_DOUBLE_S64): | |
1471 | { | |
1472 | int res; | |
1473 | ||
9b33aac4 | 1474 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
53569322 | 1475 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1476 | estack_ax_v = res; |
53569322 | 1477 | estack_ax_t = REG_S64; |
dbea82ec MD |
1478 | next_pc += sizeof(struct binary_op); |
1479 | PO; | |
1480 | } | |
1481 | OP(FILTER_OP_GT_DOUBLE_S64): | |
1482 | { | |
1483 | int res; | |
1484 | ||
9b33aac4 | 1485 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
53569322 | 1486 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1487 | estack_ax_v = res; |
53569322 | 1488 | estack_ax_t = REG_S64; |
dbea82ec MD |
1489 | next_pc += sizeof(struct binary_op); |
1490 | PO; | |
1491 | } | |
1492 | OP(FILTER_OP_LT_DOUBLE_S64): | |
1493 | { | |
1494 | int res; | |
1495 | ||
9b33aac4 | 1496 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 1497 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1498 | estack_ax_v = res; |
53569322 | 1499 | estack_ax_t = REG_S64; |
dbea82ec MD |
1500 | next_pc += sizeof(struct binary_op); |
1501 | PO; | |
1502 | } | |
1503 | OP(FILTER_OP_GE_DOUBLE_S64): | |
1504 | { | |
1505 | int res; | |
1506 | ||
9b33aac4 | 1507 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 1508 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1509 | estack_ax_v = res; |
53569322 | 1510 | estack_ax_t = REG_S64; |
dbea82ec MD |
1511 | next_pc += sizeof(struct binary_op); |
1512 | PO; | |
1513 | } | |
1514 | OP(FILTER_OP_LE_DOUBLE_S64): | |
1515 | { | |
1516 | int res; | |
1517 | ||
9b33aac4 | 1518 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 1519 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1520 | estack_ax_v = res; |
53569322 | 1521 | estack_ax_t = REG_S64; |
dbea82ec MD |
1522 | next_pc += sizeof(struct binary_op); |
1523 | PO; | |
1524 | } | |
1525 | ||
1526 | OP(FILTER_OP_EQ_S64_DOUBLE): | |
1527 | { | |
1528 | int res; | |
1529 | ||
9b33aac4 | 1530 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 1531 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1532 | estack_ax_v = res; |
53569322 | 1533 | estack_ax_t = REG_S64; |
dbea82ec MD |
1534 | next_pc += sizeof(struct binary_op); |
1535 | PO; | |
1536 | } | |
1537 | OP(FILTER_OP_NE_S64_DOUBLE): | |
1538 | { | |
1539 | int res; | |
1540 | ||
9b33aac4 | 1541 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 1542 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1543 | estack_ax_v = res; |
53569322 | 1544 | estack_ax_t = REG_S64; |
dbea82ec MD |
1545 | next_pc += sizeof(struct binary_op); |
1546 | PO; | |
1547 | } | |
1548 | OP(FILTER_OP_GT_S64_DOUBLE): | |
1549 | { | |
1550 | int res; | |
1551 | ||
9b33aac4 | 1552 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 1553 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1554 | estack_ax_v = res; |
53569322 | 1555 | estack_ax_t = REG_S64; |
dbea82ec MD |
1556 | next_pc += sizeof(struct binary_op); |
1557 | PO; | |
1558 | } | |
1559 | OP(FILTER_OP_LT_S64_DOUBLE): | |
1560 | { | |
1561 | int res; | |
1562 | ||
9b33aac4 | 1563 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 1564 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1565 | estack_ax_v = res; |
53569322 | 1566 | estack_ax_t = REG_S64; |
dbea82ec MD |
1567 | next_pc += sizeof(struct binary_op); |
1568 | PO; | |
1569 | } | |
1570 | OP(FILTER_OP_GE_S64_DOUBLE): | |
1571 | { | |
1572 | int res; | |
1573 | ||
9b33aac4 | 1574 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 1575 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1576 | estack_ax_v = res; |
53569322 | 1577 | estack_ax_t = REG_S64; |
dbea82ec MD |
1578 | next_pc += sizeof(struct binary_op); |
1579 | PO; | |
1580 | } | |
1581 | OP(FILTER_OP_LE_S64_DOUBLE): | |
1582 | { | |
1583 | int res; | |
1584 | ||
9b33aac4 | 1585 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1586 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1587 | estack_ax_v = res; |
53569322 | 1588 | estack_ax_t = REG_S64; |
97b58163 MD |
1589 | next_pc += sizeof(struct binary_op); |
1590 | PO; | |
1591 | } | |
0039e2d8 MD |
1592 | OP(FILTER_OP_BIT_RSHIFT): |
1593 | { | |
1594 | int64_t res; | |
1595 | ||
1596 | /* Dynamic typing. */ | |
1597 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1598 | ret = -EINVAL; | |
1599 | goto end; | |
1600 | } | |
3703f1d2 MD |
1601 | /* Catch undefined behavior. */ |
1602 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1603 | ret = -EINVAL; | |
1604 | goto end; | |
1605 | } | |
4e8f9a89 | 1606 | res = ((uint64_t) estack_bx_v >> (uint32_t) estack_ax_v); |
0039e2d8 MD |
1607 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1608 | estack_ax_v = res; | |
1609 | estack_ax_t = REG_S64; | |
1610 | next_pc += sizeof(struct binary_op); | |
1611 | PO; | |
1612 | } | |
1613 | OP(FILTER_OP_BIT_LSHIFT): | |
1614 | { | |
1615 | int64_t res; | |
1616 | ||
1617 | /* Dynamic typing. */ | |
1618 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1619 | ret = -EINVAL; | |
1620 | goto end; | |
1621 | } | |
3703f1d2 MD |
1622 | /* Catch undefined behavior. */ |
1623 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1624 | ret = -EINVAL; | |
1625 | goto end; | |
1626 | } | |
4e8f9a89 | 1627 | res = ((uint64_t) estack_bx_v << (uint32_t) estack_ax_v); |
0039e2d8 MD |
1628 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1629 | estack_ax_v = res; | |
1630 | estack_ax_t = REG_S64; | |
1631 | next_pc += sizeof(struct binary_op); | |
1632 | PO; | |
1633 | } | |
47e5f13e MD |
1634 | OP(FILTER_OP_BIT_AND): |
1635 | { | |
1636 | int64_t res; | |
1637 | ||
1638 | /* Dynamic typing. */ | |
1639 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1640 | ret = -EINVAL; | |
1641 | goto end; | |
1642 | } | |
1643 | ||
4e8f9a89 | 1644 | res = ((uint64_t) estack_bx_v & (uint64_t) estack_ax_v); |
47e5f13e MD |
1645 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1646 | estack_ax_v = res; | |
1647 | estack_ax_t = REG_S64; | |
1648 | next_pc += sizeof(struct binary_op); | |
1649 | PO; | |
1650 | } | |
1651 | OP(FILTER_OP_BIT_OR): | |
1652 | { | |
1653 | int64_t res; | |
1654 | ||
1655 | /* Dynamic typing. */ | |
1656 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1657 | ret = -EINVAL; | |
1658 | goto end; | |
1659 | } | |
1660 | ||
4e8f9a89 | 1661 | res = ((uint64_t) estack_bx_v | (uint64_t) estack_ax_v); |
47e5f13e MD |
1662 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1663 | estack_ax_v = res; | |
1664 | estack_ax_t = REG_S64; | |
1665 | next_pc += sizeof(struct binary_op); | |
1666 | PO; | |
1667 | } | |
1668 | OP(FILTER_OP_BIT_XOR): | |
1669 | { | |
1670 | int64_t res; | |
1671 | ||
1672 | /* Dynamic typing. */ | |
1673 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1674 | ret = -EINVAL; | |
1675 | goto end; | |
1676 | } | |
1677 | ||
4e8f9a89 | 1678 | res = ((uint64_t) estack_bx_v ^ (uint64_t) estack_ax_v); |
47e5f13e MD |
1679 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1680 | estack_ax_v = res; | |
1681 | estack_ax_t = REG_S64; | |
1682 | next_pc += sizeof(struct binary_op); | |
1683 | PO; | |
1684 | } | |
97b58163 MD |
1685 | |
1686 | /* unary */ | |
1687 | OP(FILTER_OP_UNARY_PLUS): | |
53569322 MD |
1688 | { |
1689 | /* Dynamic typing. */ | |
1690 | switch (estack_ax_t) { | |
1691 | case REG_S64: /* Fall-through. */ | |
1692 | JUMP_TO(FILTER_OP_UNARY_PLUS_S64); | |
1693 | case REG_DOUBLE: | |
1694 | JUMP_TO(FILTER_OP_UNARY_PLUS_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_MINUS): |
53569322 MD |
1707 | { |
1708 | /* Dynamic typing. */ | |
1709 | switch (estack_ax_t) { | |
1710 | case REG_S64: | |
1711 | JUMP_TO(FILTER_OP_UNARY_MINUS_S64); | |
1712 | case REG_DOUBLE: | |
1713 | JUMP_TO(FILTER_OP_UNARY_MINUS_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 | } | |
97b58163 | 1725 | OP(FILTER_OP_UNARY_NOT): |
53569322 MD |
1726 | { |
1727 | /* Dynamic typing. */ | |
1728 | switch (estack_ax_t) { | |
1729 | case REG_S64: | |
1730 | JUMP_TO(FILTER_OP_UNARY_NOT_S64); | |
1731 | case REG_DOUBLE: | |
1732 | JUMP_TO(FILTER_OP_UNARY_NOT_DOUBLE); | |
3151a51d PP |
1733 | case REG_STRING: /* Fall-through */ |
1734 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1735 | ret = -EINVAL; |
1736 | goto end; | |
1737 | default: | |
1738 | ERR("Unknown filter register type (%d)", | |
1739 | (int) estack_ax_t); | |
1740 | ret = -EINVAL; | |
1741 | goto end; | |
1742 | } | |
1743 | next_pc += sizeof(struct unary_op); | |
1744 | PO; | |
1745 | } | |
97b58163 | 1746 | |
0039e2d8 MD |
1747 | OP(FILTER_OP_UNARY_BIT_NOT): |
1748 | { | |
1749 | /* Dynamic typing. */ | |
1750 | if (estack_ax_t != REG_S64) { | |
1751 | ret = -EINVAL; | |
1752 | goto end; | |
1753 | } | |
1754 | ||
4e8f9a89 | 1755 | estack_ax_v = ~(uint64_t) estack_ax_v; |
0039e2d8 MD |
1756 | next_pc += sizeof(struct unary_op); |
1757 | PO; | |
1758 | } | |
1759 | ||
97b58163 MD |
1760 | OP(FILTER_OP_UNARY_PLUS_S64): |
1761 | OP(FILTER_OP_UNARY_PLUS_DOUBLE): | |
1762 | { | |
1763 | next_pc += sizeof(struct unary_op); | |
1764 | PO; | |
1765 | } | |
1766 | OP(FILTER_OP_UNARY_MINUS_S64): | |
1767 | { | |
9b33aac4 | 1768 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1769 | next_pc += sizeof(struct unary_op); |
1770 | PO; | |
1771 | } | |
1772 | OP(FILTER_OP_UNARY_MINUS_DOUBLE): | |
1773 | { | |
9b33aac4 | 1774 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1775 | next_pc += sizeof(struct unary_op); |
1776 | PO; | |
1777 | } | |
1778 | OP(FILTER_OP_UNARY_NOT_S64): | |
1779 | { | |
9b33aac4 | 1780 | estack_ax_v = !estack_ax_v; |
97b58163 MD |
1781 | next_pc += sizeof(struct unary_op); |
1782 | PO; | |
1783 | } | |
1784 | OP(FILTER_OP_UNARY_NOT_DOUBLE): | |
1785 | { | |
53569322 MD |
1786 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1787 | estack_ax_t = REG_S64; | |
97b58163 MD |
1788 | next_pc += sizeof(struct unary_op); |
1789 | PO; | |
1790 | } | |
1791 | ||
1792 | /* logical */ | |
1793 | OP(FILTER_OP_AND): | |
1794 | { | |
1795 | struct logical_op *insn = (struct logical_op *) pc; | |
1796 | ||
53569322 MD |
1797 | if (estack_ax_t != REG_S64) { |
1798 | ret = -EINVAL; | |
1799 | goto end; | |
1800 | } | |
0305960f | 1801 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1802 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1803 | dbg_printf("Jumping to bytecode offset %u\n", |
1804 | (unsigned int) insn->skip_offset); | |
1805 | next_pc = start_pc + insn->skip_offset; | |
1806 | } else { | |
71c1ceeb | 1807 | /* Pop 1 when jump not taken */ |
53569322 | 1808 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1809 | next_pc += sizeof(struct logical_op); |
1810 | } | |
1811 | PO; | |
1812 | } | |
1813 | OP(FILTER_OP_OR): | |
1814 | { | |
1815 | struct logical_op *insn = (struct logical_op *) pc; | |
1816 | ||
53569322 MD |
1817 | if (estack_ax_t != REG_S64) { |
1818 | ret = -EINVAL; | |
1819 | goto end; | |
1820 | } | |
0305960f | 1821 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1822 | if (unlikely(estack_ax_v != 0)) { |
1823 | estack_ax_v = 1; | |
97b58163 MD |
1824 | dbg_printf("Jumping to bytecode offset %u\n", |
1825 | (unsigned int) insn->skip_offset); | |
1826 | next_pc = start_pc + insn->skip_offset; | |
1827 | } else { | |
71c1ceeb | 1828 | /* Pop 1 when jump not taken */ |
53569322 | 1829 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1830 | next_pc += sizeof(struct logical_op); |
1831 | } | |
1832 | PO; | |
1833 | } | |
1834 | ||
1835 | ||
77aa5901 | 1836 | /* load field ref */ |
97b58163 MD |
1837 | OP(FILTER_OP_LOAD_FIELD_REF_STRING): |
1838 | { | |
1839 | struct load_op *insn = (struct load_op *) pc; | |
1840 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1841 | ||
1842 | dbg_printf("load field ref offset %u type string\n", | |
1843 | ref->offset); | |
53569322 | 1844 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1845 | estack_ax(stack, top)->u.s.str = |
97b58163 | 1846 | *(const char * const *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1847 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1848 | dbg_printf("Filter warning: loading a NULL string.\n"); |
1849 | ret = -EINVAL; | |
1850 | goto end; | |
1851 | } | |
a63d0dc8 | 1852 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1853 | estack_ax(stack, top)->u.s.literal_type = |
1854 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 1855 | estack_ax_t = REG_STRING; |
9b33aac4 | 1856 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1857 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1858 | PO; | |
1859 | } | |
1860 | ||
1861 | OP(FILTER_OP_LOAD_FIELD_REF_SEQUENCE): | |
1862 | { | |
1863 | struct load_op *insn = (struct load_op *) pc; | |
1864 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1865 | ||
1866 | dbg_printf("load field ref offset %u type sequence\n", | |
1867 | ref->offset); | |
53569322 | 1868 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1869 | estack_ax(stack, top)->u.s.seq_len = |
97b58163 | 1870 | *(unsigned long *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1871 | estack_ax(stack, top)->u.s.str = |
97b58163 MD |
1872 | *(const char **) (&filter_stack_data[ref->offset |
1873 | + sizeof(unsigned long)]); | |
53569322 | 1874 | estack_ax_t = REG_STRING; |
9b33aac4 | 1875 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1876 | dbg_printf("Filter warning: loading a NULL sequence.\n"); |
1877 | ret = -EINVAL; | |
1878 | goto end; | |
1879 | } | |
3151a51d PP |
1880 | estack_ax(stack, top)->u.s.literal_type = |
1881 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
97b58163 MD |
1882 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1883 | PO; | |
1884 | } | |
1885 | ||
1886 | OP(FILTER_OP_LOAD_FIELD_REF_S64): | |
1887 | { | |
1888 | struct load_op *insn = (struct load_op *) pc; | |
1889 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1890 | ||
1891 | dbg_printf("load field ref offset %u type s64\n", | |
1892 | ref->offset); | |
53569322 | 1893 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 MD |
1894 | estack_ax_v = |
1895 | ((struct literal_numeric *) &filter_stack_data[ref->offset])->v; | |
53569322 | 1896 | estack_ax_t = REG_S64; |
9b33aac4 | 1897 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1898 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1899 | PO; | |
1900 | } | |
1901 | ||
1902 | OP(FILTER_OP_LOAD_FIELD_REF_DOUBLE): | |
1903 | { | |
1904 | struct load_op *insn = (struct load_op *) pc; | |
1905 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1906 | ||
1907 | dbg_printf("load field ref offset %u type double\n", | |
1908 | ref->offset); | |
53569322 | 1909 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1910 | memcpy(&estack_ax(stack, top)->u.d, &filter_stack_data[ref->offset], |
97b58163 | 1911 | sizeof(struct literal_double)); |
53569322 | 1912 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 1913 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
1914 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1915 | PO; | |
1916 | } | |
1917 | ||
77aa5901 | 1918 | /* load from immediate operand */ |
97b58163 MD |
1919 | OP(FILTER_OP_LOAD_STRING): |
1920 | { | |
1921 | struct load_op *insn = (struct load_op *) pc; | |
1922 | ||
1923 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 1924 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1925 | estack_ax(stack, top)->u.s.str = insn->data; |
a63d0dc8 | 1926 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1927 | estack_ax(stack, top)->u.s.literal_type = |
1928 | ESTACK_STRING_LITERAL_TYPE_PLAIN; | |
53569322 | 1929 | estack_ax_t = REG_STRING; |
97b58163 MD |
1930 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
1931 | PO; | |
1932 | } | |
1933 | ||
3151a51d PP |
1934 | OP(FILTER_OP_LOAD_STAR_GLOB_STRING): |
1935 | { | |
1936 | struct load_op *insn = (struct load_op *) pc; | |
1937 | ||
1938 | dbg_printf("load globbing pattern %s\n", insn->data); | |
1939 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
1940 | estack_ax(stack, top)->u.s.str = insn->data; | |
a63d0dc8 | 1941 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1942 | estack_ax(stack, top)->u.s.literal_type = |
1943 | ESTACK_STRING_LITERAL_TYPE_STAR_GLOB; | |
1944 | estack_ax_t = REG_STAR_GLOB_STRING; | |
1945 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
1946 | PO; | |
1947 | } | |
1948 | ||
97b58163 MD |
1949 | OP(FILTER_OP_LOAD_S64): |
1950 | { | |
1951 | struct load_op *insn = (struct load_op *) pc; | |
1952 | ||
53569322 | 1953 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1954 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 1955 | estack_ax_t = REG_S64; |
9b33aac4 | 1956 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1957 | next_pc += sizeof(struct load_op) |
1958 | + sizeof(struct literal_numeric); | |
1959 | PO; | |
1960 | } | |
1961 | ||
1962 | OP(FILTER_OP_LOAD_DOUBLE): | |
1963 | { | |
1964 | struct load_op *insn = (struct load_op *) pc; | |
1965 | ||
53569322 | 1966 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1967 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 1968 | sizeof(struct literal_double)); |
53569322 MD |
1969 | estack_ax_t = REG_DOUBLE; |
1970 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
1971 | next_pc += sizeof(struct load_op) |
1972 | + sizeof(struct literal_double); | |
1973 | PO; | |
1974 | } | |
1975 | ||
1976 | /* cast */ | |
1977 | OP(FILTER_OP_CAST_TO_S64): | |
53569322 MD |
1978 | { |
1979 | /* Dynamic typing. */ | |
1980 | switch (estack_ax_t) { | |
1981 | case REG_S64: | |
1982 | JUMP_TO(FILTER_OP_CAST_NOP); | |
1983 | case REG_DOUBLE: | |
1984 | JUMP_TO(FILTER_OP_CAST_DOUBLE_TO_S64); | |
3151a51d PP |
1985 | case REG_STRING: /* Fall-through */ |
1986 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1987 | ret = -EINVAL; |
1988 | goto end; | |
1989 | default: | |
1990 | ERR("Unknown filter register type (%d)", | |
1991 | (int) estack_ax_t); | |
1992 | ret = -EINVAL; | |
1993 | goto end; | |
1994 | } | |
1995 | } | |
97b58163 MD |
1996 | |
1997 | OP(FILTER_OP_CAST_DOUBLE_TO_S64): | |
1998 | { | |
9b33aac4 | 1999 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 2000 | estack_ax_t = REG_S64; |
97b58163 MD |
2001 | next_pc += sizeof(struct cast_op); |
2002 | PO; | |
2003 | } | |
2004 | ||
2005 | OP(FILTER_OP_CAST_NOP): | |
2006 | { | |
2007 | next_pc += sizeof(struct cast_op); | |
2008 | PO; | |
2009 | } | |
2010 | ||
77aa5901 | 2011 | /* get context ref */ |
53569322 MD |
2012 | OP(FILTER_OP_GET_CONTEXT_REF): |
2013 | { | |
2014 | struct load_op *insn = (struct load_op *) pc; | |
2015 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2016 | struct lttng_ctx *ctx; | |
2017 | struct lttng_ctx_field *ctx_field; | |
2018 | struct lttng_ctx_value v; | |
2019 | ||
2020 | dbg_printf("get context ref offset %u type dynamic\n", | |
2021 | ref->offset); | |
2022 | ctx = rcu_dereference(session->ctx); | |
2023 | ctx_field = &ctx->fields[ref->offset]; | |
2024 | ctx_field->get_value(ctx_field, &v); | |
2025 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2026 | switch (v.sel) { | |
2027 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
2028 | ret = -EINVAL; | |
2029 | goto end; | |
2030 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
2031 | estack_ax_v = v.u.s64; | |
2032 | estack_ax_t = REG_S64; | |
2033 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
2034 | break; | |
2035 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
2036 | estack_ax(stack, top)->u.d = v.u.d; | |
2037 | estack_ax_t = REG_DOUBLE; | |
2038 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
2039 | break; | |
2040 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
2041 | estack_ax(stack, top)->u.s.str = v.u.str; | |
2042 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2043 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2044 | ret = -EINVAL; | |
2045 | goto end; | |
2046 | } | |
a63d0dc8 | 2047 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2048 | estack_ax(stack, top)->u.s.literal_type = |
2049 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 MD |
2050 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); |
2051 | estack_ax_t = REG_STRING; | |
2052 | break; | |
2053 | default: | |
2054 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
2055 | ret = -EINVAL; | |
2056 | goto end; | |
2057 | } | |
2058 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2059 | PO; | |
2060 | } | |
2061 | ||
77aa5901 MD |
2062 | OP(FILTER_OP_GET_CONTEXT_REF_STRING): |
2063 | { | |
2064 | struct load_op *insn = (struct load_op *) pc; | |
2065 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 2066 | struct lttng_ctx *ctx; |
77aa5901 | 2067 | struct lttng_ctx_field *ctx_field; |
53569322 | 2068 | struct lttng_ctx_value v; |
77aa5901 MD |
2069 | |
2070 | dbg_printf("get context ref offset %u type string\n", | |
2071 | ref->offset); | |
53569322 MD |
2072 | ctx = rcu_dereference(session->ctx); |
2073 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 2074 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2075 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2076 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 MD |
2077 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
2078 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2079 | ret = -EINVAL; | |
2080 | goto end; | |
2081 | } | |
a63d0dc8 | 2082 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2083 | estack_ax(stack, top)->u.s.literal_type = |
2084 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2085 | estack_ax_t = REG_STRING; |
77aa5901 MD |
2086 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
2087 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2088 | PO; | |
2089 | } | |
2090 | ||
2091 | OP(FILTER_OP_GET_CONTEXT_REF_S64): | |
2092 | { | |
2093 | struct load_op *insn = (struct load_op *) pc; | |
2094 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 2095 | struct lttng_ctx *ctx; |
77aa5901 | 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 s64\n", | |
2100 | ref->offset); | |
53569322 MD |
2101 | ctx = rcu_dereference(session->ctx); |
2102 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 2103 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2104 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2105 | estack_ax_v = v.u.s64; | |
2106 | estack_ax_t = REG_S64; | |
77aa5901 MD |
2107 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
2108 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2109 | PO; | |
2110 | } | |
2111 | ||
2112 | OP(FILTER_OP_GET_CONTEXT_REF_DOUBLE): | |
2113 | { | |
2114 | struct load_op *insn = (struct load_op *) pc; | |
2115 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 | 2116 | struct lttng_ctx *ctx; |
77aa5901 | 2117 | struct lttng_ctx_field *ctx_field; |
53569322 | 2118 | struct lttng_ctx_value v; |
77aa5901 MD |
2119 | |
2120 | dbg_printf("get context ref offset %u type double\n", | |
2121 | ref->offset); | |
53569322 MD |
2122 | ctx = rcu_dereference(session->ctx); |
2123 | ctx_field = &ctx->fields[ref->offset]; | |
77aa5901 | 2124 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2125 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2126 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
2127 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
2128 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
2129 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2130 | PO; | |
2131 | } | |
2132 | ||
47e5f13e MD |
2133 | OP(FILTER_OP_GET_CONTEXT_ROOT): |
2134 | { | |
2135 | dbg_printf("op get context root\n"); | |
2136 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2137 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_CONTEXT; | |
2138 | /* "field" only needed for variants. */ | |
2139 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2140 | estack_ax_t = REG_PTR; | |
2141 | next_pc += sizeof(struct load_op); | |
2142 | PO; | |
2143 | } | |
2144 | ||
2145 | OP(FILTER_OP_GET_APP_CONTEXT_ROOT): | |
2146 | { | |
2147 | dbg_printf("op get app context root\n"); | |
2148 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2149 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_APP_CONTEXT; | |
2150 | /* "field" only needed for variants. */ | |
2151 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2152 | estack_ax_t = REG_PTR; | |
2153 | next_pc += sizeof(struct load_op); | |
2154 | PO; | |
2155 | } | |
2156 | ||
2157 | OP(FILTER_OP_GET_PAYLOAD_ROOT): | |
2158 | { | |
2159 | dbg_printf("op get app payload root\n"); | |
2160 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2161 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_PAYLOAD; | |
2162 | estack_ax(stack, top)->u.ptr.ptr = filter_stack_data; | |
2163 | /* "field" only needed for variants. */ | |
2164 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2165 | estack_ax_t = REG_PTR; | |
2166 | next_pc += sizeof(struct load_op); | |
2167 | PO; | |
2168 | } | |
2169 | ||
2170 | OP(FILTER_OP_GET_SYMBOL): | |
2171 | { | |
2172 | dbg_printf("op get symbol\n"); | |
2173 | switch (estack_ax(stack, top)->u.ptr.type) { | |
2174 | case LOAD_OBJECT: | |
2175 | ERR("Nested fields not implemented yet."); | |
2176 | ret = -EINVAL; | |
2177 | goto end; | |
2178 | case LOAD_ROOT_CONTEXT: | |
2179 | case LOAD_ROOT_APP_CONTEXT: | |
2180 | case LOAD_ROOT_PAYLOAD: | |
2181 | /* | |
2182 | * symbol lookup is performed by | |
2183 | * specialization. | |
2184 | */ | |
2185 | ret = -EINVAL; | |
2186 | goto end; | |
2187 | } | |
2188 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
2189 | PO; | |
2190 | } | |
2191 | ||
2192 | OP(FILTER_OP_GET_SYMBOL_FIELD): | |
2193 | { | |
2194 | /* | |
2195 | * Used for first variant encountered in a | |
2196 | * traversal. Variants are not implemented yet. | |
2197 | */ | |
2198 | ret = -EINVAL; | |
2199 | goto end; | |
2200 | } | |
2201 | ||
2202 | OP(FILTER_OP_GET_INDEX_U16): | |
2203 | { | |
2204 | struct load_op *insn = (struct load_op *) pc; | |
2205 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
2206 | ||
2207 | dbg_printf("op get index u16\n"); | |
2208 | ret = dynamic_get_index(session, bytecode, index->index, estack_ax(stack, top)); | |
2209 | if (ret) | |
2210 | goto end; | |
2211 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2212 | estack_ax_t = estack_ax(stack, top)->type; | |
2213 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
2214 | PO; | |
2215 | } | |
2216 | ||
2217 | OP(FILTER_OP_GET_INDEX_U64): | |
2218 | { | |
2219 | struct load_op *insn = (struct load_op *) pc; | |
2220 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
2221 | ||
2222 | dbg_printf("op get index u64\n"); | |
2223 | ret = dynamic_get_index(session, bytecode, index->index, estack_ax(stack, top)); | |
2224 | if (ret) | |
2225 | goto end; | |
2226 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2227 | estack_ax_t = estack_ax(stack, top)->type; | |
2228 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
2229 | PO; | |
2230 | } | |
2231 | ||
2232 | OP(FILTER_OP_LOAD_FIELD): | |
2233 | { | |
2234 | dbg_printf("op load field\n"); | |
2235 | ret = dynamic_load_field(estack_ax(stack, top)); | |
2236 | if (ret) | |
2237 | goto end; | |
2238 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2239 | estack_ax_t = estack_ax(stack, top)->type; | |
2240 | next_pc += sizeof(struct load_op); | |
2241 | PO; | |
2242 | } | |
2243 | ||
2244 | OP(FILTER_OP_LOAD_FIELD_S8): | |
2245 | { | |
2246 | dbg_printf("op load field s8\n"); | |
2247 | ||
2248 | estack_ax_v = *(int8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2249 | estack_ax_t = REG_S64; | |
2250 | next_pc += sizeof(struct load_op); | |
2251 | PO; | |
2252 | } | |
2253 | OP(FILTER_OP_LOAD_FIELD_S16): | |
2254 | { | |
2255 | dbg_printf("op load field s16\n"); | |
2256 | ||
2257 | estack_ax_v = *(int16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2258 | estack_ax_t = REG_S64; | |
2259 | next_pc += sizeof(struct load_op); | |
2260 | PO; | |
2261 | } | |
2262 | OP(FILTER_OP_LOAD_FIELD_S32): | |
2263 | { | |
2264 | dbg_printf("op load field s32\n"); | |
2265 | ||
2266 | estack_ax_v = *(int32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2267 | estack_ax_t = REG_S64; | |
2268 | next_pc += sizeof(struct load_op); | |
2269 | PO; | |
2270 | } | |
2271 | OP(FILTER_OP_LOAD_FIELD_S64): | |
2272 | { | |
2273 | dbg_printf("op load field s64\n"); | |
2274 | ||
2275 | estack_ax_v = *(int64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2276 | estack_ax_t = REG_S64; | |
2277 | next_pc += sizeof(struct load_op); | |
2278 | PO; | |
2279 | } | |
2280 | OP(FILTER_OP_LOAD_FIELD_U8): | |
2281 | { | |
2282 | dbg_printf("op load field u8\n"); | |
2283 | ||
2284 | estack_ax_v = *(uint8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2285 | estack_ax_t = REG_S64; | |
2286 | next_pc += sizeof(struct load_op); | |
2287 | PO; | |
2288 | } | |
2289 | OP(FILTER_OP_LOAD_FIELD_U16): | |
2290 | { | |
2291 | dbg_printf("op load field u16\n"); | |
2292 | ||
2293 | estack_ax_v = *(uint16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2294 | estack_ax_t = REG_S64; | |
2295 | next_pc += sizeof(struct load_op); | |
2296 | PO; | |
2297 | } | |
2298 | OP(FILTER_OP_LOAD_FIELD_U32): | |
2299 | { | |
2300 | dbg_printf("op load field u32\n"); | |
2301 | ||
2302 | estack_ax_v = *(uint32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2303 | estack_ax_t = REG_S64; | |
2304 | next_pc += sizeof(struct load_op); | |
2305 | PO; | |
2306 | } | |
2307 | OP(FILTER_OP_LOAD_FIELD_U64): | |
2308 | { | |
2309 | dbg_printf("op load field u64\n"); | |
2310 | ||
2311 | estack_ax_v = *(uint64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2312 | estack_ax_t = REG_S64; | |
2313 | next_pc += sizeof(struct load_op); | |
2314 | PO; | |
2315 | } | |
2316 | OP(FILTER_OP_LOAD_FIELD_DOUBLE): | |
2317 | { | |
2318 | dbg_printf("op load field double\n"); | |
2319 | ||
2320 | memcpy(&estack_ax(stack, top)->u.d, | |
2321 | estack_ax(stack, top)->u.ptr.ptr, | |
2322 | sizeof(struct literal_double)); | |
2323 | estack_ax(stack, top)->type = REG_DOUBLE; | |
2324 | next_pc += sizeof(struct load_op); | |
2325 | PO; | |
2326 | } | |
2327 | ||
2328 | OP(FILTER_OP_LOAD_FIELD_STRING): | |
2329 | { | |
2330 | const char *str; | |
2331 | ||
2332 | dbg_printf("op load field string\n"); | |
2333 | str = (const char *) estack_ax(stack, top)->u.ptr.ptr; | |
2334 | estack_ax(stack, top)->u.s.str = str; | |
2335 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2336 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2337 | ret = -EINVAL; | |
2338 | goto end; | |
2339 | } | |
2340 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; | |
2341 | estack_ax(stack, top)->u.s.literal_type = | |
2342 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2343 | estack_ax(stack, top)->type = REG_STRING; | |
2344 | next_pc += sizeof(struct load_op); | |
2345 | PO; | |
2346 | } | |
2347 | ||
2348 | OP(FILTER_OP_LOAD_FIELD_SEQUENCE): | |
2349 | { | |
2350 | const char *ptr; | |
2351 | ||
2352 | dbg_printf("op load field string sequence\n"); | |
2353 | ptr = estack_ax(stack, top)->u.ptr.ptr; | |
2354 | estack_ax(stack, top)->u.s.seq_len = *(unsigned long *) ptr; | |
2355 | estack_ax(stack, top)->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
2356 | estack_ax(stack, top)->type = REG_STRING; | |
2357 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2358 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
2359 | ret = -EINVAL; | |
2360 | goto end; | |
2361 | } | |
2362 | estack_ax(stack, top)->u.s.literal_type = | |
2363 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2364 | next_pc += sizeof(struct load_op); | |
2365 | PO; | |
2366 | } | |
2367 | ||
97b58163 MD |
2368 | END_OP |
2369 | end: | |
2370 | /* return 0 (discard) on error */ | |
2371 | if (ret) | |
2372 | return 0; | |
2373 | return retval; | |
2374 | } | |
2375 | ||
2376 | #undef START_OP | |
2377 | #undef OP | |
2378 | #undef PO | |
2379 | #undef END_OP |