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 | ||
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 | ||
b77aaa1b | 373 | static int dynamic_get_index(struct lttng_ctx *ctx, |
47e5f13e MD |
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 | { | |
47e5f13e MD |
440 | ret = context_get_index(ctx, |
441 | &stack_top->u.ptr, | |
442 | gid->ctx_index); | |
443 | if (ret) { | |
444 | goto end; | |
445 | } | |
446 | break; | |
447 | } | |
448 | case LOAD_ROOT_PAYLOAD: | |
449 | stack_top->u.ptr.ptr += gid->offset; | |
450 | if (gid->elem.type == OBJECT_TYPE_STRING) | |
451 | stack_top->u.ptr.ptr = *(const char * const *) stack_top->u.ptr.ptr; | |
452 | stack_top->u.ptr.object_type = gid->elem.type; | |
453 | stack_top->u.ptr.type = LOAD_OBJECT; | |
454 | /* field is only used for types nested within variants. */ | |
455 | stack_top->u.ptr.field = NULL; | |
456 | break; | |
457 | } | |
458 | return 0; | |
459 | ||
460 | end: | |
461 | return ret; | |
462 | } | |
463 | ||
464 | static int dynamic_load_field(struct estack_entry *stack_top) | |
465 | { | |
466 | int ret; | |
467 | ||
468 | switch (stack_top->u.ptr.type) { | |
469 | case LOAD_OBJECT: | |
470 | break; | |
471 | case LOAD_ROOT_CONTEXT: | |
472 | case LOAD_ROOT_APP_CONTEXT: | |
473 | case LOAD_ROOT_PAYLOAD: | |
474 | default: | |
475 | dbg_printf("Filter warning: cannot load root, missing field name.\n"); | |
476 | ret = -EINVAL; | |
477 | goto end; | |
478 | } | |
479 | switch (stack_top->u.ptr.object_type) { | |
480 | case OBJECT_TYPE_S8: | |
481 | dbg_printf("op load field s8\n"); | |
482 | stack_top->u.v = *(int8_t *) stack_top->u.ptr.ptr; | |
483 | stack_top->type = REG_S64; | |
484 | break; | |
485 | case OBJECT_TYPE_S16: | |
486 | { | |
487 | int16_t tmp; | |
488 | ||
489 | dbg_printf("op load field s16\n"); | |
490 | tmp = *(int16_t *) stack_top->u.ptr.ptr; | |
491 | if (stack_top->u.ptr.rev_bo) | |
492 | tmp = bswap_16(tmp); | |
493 | stack_top->u.v = tmp; | |
494 | stack_top->type = REG_S64; | |
495 | break; | |
496 | } | |
497 | case OBJECT_TYPE_S32: | |
498 | { | |
499 | int32_t tmp; | |
500 | ||
501 | dbg_printf("op load field s32\n"); | |
502 | tmp = *(int32_t *) stack_top->u.ptr.ptr; | |
503 | if (stack_top->u.ptr.rev_bo) | |
504 | tmp = bswap_32(tmp); | |
505 | stack_top->u.v = tmp; | |
506 | stack_top->type = REG_S64; | |
507 | break; | |
508 | } | |
509 | case OBJECT_TYPE_S64: | |
510 | { | |
511 | int64_t tmp; | |
512 | ||
513 | dbg_printf("op load field s64\n"); | |
514 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
515 | if (stack_top->u.ptr.rev_bo) | |
516 | tmp = bswap_64(tmp); | |
517 | stack_top->u.v = tmp; | |
518 | stack_top->type = REG_S64; | |
519 | break; | |
520 | } | |
521 | case OBJECT_TYPE_U8: | |
522 | dbg_printf("op load field u8\n"); | |
523 | stack_top->u.v = *(uint8_t *) stack_top->u.ptr.ptr; | |
524 | stack_top->type = REG_S64; | |
525 | break; | |
526 | case OBJECT_TYPE_U16: | |
527 | { | |
528 | uint16_t tmp; | |
529 | ||
055d27d7 | 530 | dbg_printf("op load field u16\n"); |
47e5f13e MD |
531 | tmp = *(uint16_t *) stack_top->u.ptr.ptr; |
532 | if (stack_top->u.ptr.rev_bo) | |
533 | tmp = bswap_16(tmp); | |
534 | stack_top->u.v = tmp; | |
535 | stack_top->type = REG_S64; | |
536 | break; | |
537 | } | |
538 | case OBJECT_TYPE_U32: | |
539 | { | |
540 | uint32_t tmp; | |
541 | ||
542 | dbg_printf("op load field u32\n"); | |
543 | tmp = *(uint32_t *) stack_top->u.ptr.ptr; | |
544 | if (stack_top->u.ptr.rev_bo) | |
545 | tmp = bswap_32(tmp); | |
546 | stack_top->u.v = tmp; | |
547 | stack_top->type = REG_S64; | |
548 | break; | |
549 | } | |
550 | case OBJECT_TYPE_U64: | |
551 | { | |
552 | uint64_t tmp; | |
553 | ||
554 | dbg_printf("op load field u64\n"); | |
555 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
556 | if (stack_top->u.ptr.rev_bo) | |
557 | tmp = bswap_64(tmp); | |
558 | stack_top->u.v = tmp; | |
559 | stack_top->type = REG_S64; | |
560 | break; | |
561 | } | |
562 | case OBJECT_TYPE_DOUBLE: | |
563 | memcpy(&stack_top->u.d, | |
564 | stack_top->u.ptr.ptr, | |
565 | sizeof(struct literal_double)); | |
566 | stack_top->type = REG_DOUBLE; | |
567 | break; | |
568 | case OBJECT_TYPE_STRING: | |
569 | { | |
570 | const char *str; | |
571 | ||
572 | dbg_printf("op load field string\n"); | |
573 | str = (const char *) stack_top->u.ptr.ptr; | |
574 | stack_top->u.s.str = str; | |
575 | if (unlikely(!stack_top->u.s.str)) { | |
576 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
577 | ret = -EINVAL; | |
578 | goto end; | |
579 | } | |
580 | stack_top->u.s.seq_len = SIZE_MAX; | |
581 | stack_top->u.s.literal_type = | |
582 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
583 | stack_top->type = REG_STRING; | |
584 | break; | |
585 | } | |
586 | case OBJECT_TYPE_STRING_SEQUENCE: | |
587 | { | |
588 | const char *ptr; | |
589 | ||
590 | dbg_printf("op load field string sequence\n"); | |
591 | ptr = stack_top->u.ptr.ptr; | |
592 | stack_top->u.s.seq_len = *(unsigned long *) ptr; | |
593 | stack_top->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
594 | stack_top->type = REG_STRING; | |
595 | if (unlikely(!stack_top->u.s.str)) { | |
596 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
597 | ret = -EINVAL; | |
598 | goto end; | |
599 | } | |
600 | stack_top->u.s.literal_type = | |
601 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
602 | break; | |
603 | } | |
604 | case OBJECT_TYPE_DYNAMIC: | |
605 | /* | |
606 | * Dynamic types in context are looked up | |
607 | * by context get index. | |
608 | */ | |
609 | ret = -EINVAL; | |
610 | goto end; | |
611 | case OBJECT_TYPE_SEQUENCE: | |
612 | case OBJECT_TYPE_ARRAY: | |
613 | case OBJECT_TYPE_STRUCT: | |
614 | case OBJECT_TYPE_VARIANT: | |
615 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
616 | ret = -EINVAL; | |
617 | goto end; | |
618 | } | |
619 | return 0; | |
620 | ||
621 | end: | |
622 | return ret; | |
623 | } | |
624 | ||
8a92ed2a MD |
625 | /* |
626 | * Return 0 (discard), or raise the 0x1 flag (log event). | |
627 | * Currently, other flags are kept for future extensions and have no | |
628 | * effect. | |
629 | */ | |
630 | uint64_t lttng_filter_interpret_bytecode(void *filter_data, | |
97b58163 MD |
631 | const char *filter_stack_data) |
632 | { | |
633 | struct bytecode_runtime *bytecode = filter_data; | |
b77aaa1b | 634 | struct lttng_ctx *ctx = rcu_dereference(*bytecode->p.pctx); |
97b58163 MD |
635 | void *pc, *next_pc, *start_pc; |
636 | int ret = -EINVAL; | |
8b82df15 | 637 | uint64_t retval = 0; |
0305960f MD |
638 | struct estack _stack; |
639 | struct estack *stack = &_stack; | |
9b33aac4 | 640 | register int64_t ax = 0, bx = 0; |
53569322 | 641 | register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; |
9b33aac4 | 642 | register int top = FILTER_STACK_EMPTY; |
97b58163 MD |
643 | #ifndef INTERPRETER_USE_SWITCH |
644 | static void *dispatch[NR_FILTER_OPS] = { | |
645 | [ FILTER_OP_UNKNOWN ] = &&LABEL_FILTER_OP_UNKNOWN, | |
646 | ||
647 | [ FILTER_OP_RETURN ] = &&LABEL_FILTER_OP_RETURN, | |
648 | ||
649 | /* binary */ | |
650 | [ FILTER_OP_MUL ] = &&LABEL_FILTER_OP_MUL, | |
651 | [ FILTER_OP_DIV ] = &&LABEL_FILTER_OP_DIV, | |
652 | [ FILTER_OP_MOD ] = &&LABEL_FILTER_OP_MOD, | |
653 | [ FILTER_OP_PLUS ] = &&LABEL_FILTER_OP_PLUS, | |
654 | [ FILTER_OP_MINUS ] = &&LABEL_FILTER_OP_MINUS, | |
0039e2d8 MD |
655 | [ FILTER_OP_BIT_RSHIFT ] = &&LABEL_FILTER_OP_BIT_RSHIFT, |
656 | [ FILTER_OP_BIT_LSHIFT ] = &&LABEL_FILTER_OP_BIT_LSHIFT, | |
47e5f13e MD |
657 | [ FILTER_OP_BIT_AND ] = &&LABEL_FILTER_OP_BIT_AND, |
658 | [ FILTER_OP_BIT_OR ] = &&LABEL_FILTER_OP_BIT_OR, | |
659 | [ FILTER_OP_BIT_XOR ] = &&LABEL_FILTER_OP_BIT_XOR, | |
97b58163 MD |
660 | |
661 | /* binary comparators */ | |
662 | [ FILTER_OP_EQ ] = &&LABEL_FILTER_OP_EQ, | |
663 | [ FILTER_OP_NE ] = &&LABEL_FILTER_OP_NE, | |
664 | [ FILTER_OP_GT ] = &&LABEL_FILTER_OP_GT, | |
665 | [ FILTER_OP_LT ] = &&LABEL_FILTER_OP_LT, | |
666 | [ FILTER_OP_GE ] = &&LABEL_FILTER_OP_GE, | |
667 | [ FILTER_OP_LE ] = &&LABEL_FILTER_OP_LE, | |
668 | ||
669 | /* string binary comparator */ | |
670 | [ FILTER_OP_EQ_STRING ] = &&LABEL_FILTER_OP_EQ_STRING, | |
671 | [ FILTER_OP_NE_STRING ] = &&LABEL_FILTER_OP_NE_STRING, | |
672 | [ FILTER_OP_GT_STRING ] = &&LABEL_FILTER_OP_GT_STRING, | |
673 | [ FILTER_OP_LT_STRING ] = &&LABEL_FILTER_OP_LT_STRING, | |
674 | [ FILTER_OP_GE_STRING ] = &&LABEL_FILTER_OP_GE_STRING, | |
675 | [ FILTER_OP_LE_STRING ] = &&LABEL_FILTER_OP_LE_STRING, | |
676 | ||
3151a51d PP |
677 | /* globbing pattern binary comparator */ |
678 | [ FILTER_OP_EQ_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_EQ_STAR_GLOB_STRING, | |
679 | [ FILTER_OP_NE_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_NE_STAR_GLOB_STRING, | |
680 | ||
97b58163 MD |
681 | /* s64 binary comparator */ |
682 | [ FILTER_OP_EQ_S64 ] = &&LABEL_FILTER_OP_EQ_S64, | |
683 | [ FILTER_OP_NE_S64 ] = &&LABEL_FILTER_OP_NE_S64, | |
684 | [ FILTER_OP_GT_S64 ] = &&LABEL_FILTER_OP_GT_S64, | |
685 | [ FILTER_OP_LT_S64 ] = &&LABEL_FILTER_OP_LT_S64, | |
686 | [ FILTER_OP_GE_S64 ] = &&LABEL_FILTER_OP_GE_S64, | |
687 | [ FILTER_OP_LE_S64 ] = &&LABEL_FILTER_OP_LE_S64, | |
688 | ||
689 | /* double binary comparator */ | |
690 | [ FILTER_OP_EQ_DOUBLE ] = &&LABEL_FILTER_OP_EQ_DOUBLE, | |
691 | [ FILTER_OP_NE_DOUBLE ] = &&LABEL_FILTER_OP_NE_DOUBLE, | |
692 | [ FILTER_OP_GT_DOUBLE ] = &&LABEL_FILTER_OP_GT_DOUBLE, | |
693 | [ FILTER_OP_LT_DOUBLE ] = &&LABEL_FILTER_OP_LT_DOUBLE, | |
694 | [ FILTER_OP_GE_DOUBLE ] = &&LABEL_FILTER_OP_GE_DOUBLE, | |
695 | [ FILTER_OP_LE_DOUBLE ] = &&LABEL_FILTER_OP_LE_DOUBLE, | |
696 | ||
dbea82ec MD |
697 | /* Mixed S64-double binary comparators */ |
698 | [ FILTER_OP_EQ_DOUBLE_S64 ] = &&LABEL_FILTER_OP_EQ_DOUBLE_S64, | |
699 | [ FILTER_OP_NE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_NE_DOUBLE_S64, | |
700 | [ FILTER_OP_GT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GT_DOUBLE_S64, | |
701 | [ FILTER_OP_LT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LT_DOUBLE_S64, | |
702 | [ FILTER_OP_GE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GE_DOUBLE_S64, | |
703 | [ FILTER_OP_LE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LE_DOUBLE_S64, | |
704 | ||
705 | [ FILTER_OP_EQ_S64_DOUBLE ] = &&LABEL_FILTER_OP_EQ_S64_DOUBLE, | |
706 | [ FILTER_OP_NE_S64_DOUBLE ] = &&LABEL_FILTER_OP_NE_S64_DOUBLE, | |
707 | [ FILTER_OP_GT_S64_DOUBLE ] = &&LABEL_FILTER_OP_GT_S64_DOUBLE, | |
708 | [ FILTER_OP_LT_S64_DOUBLE ] = &&LABEL_FILTER_OP_LT_S64_DOUBLE, | |
709 | [ FILTER_OP_GE_S64_DOUBLE ] = &&LABEL_FILTER_OP_GE_S64_DOUBLE, | |
710 | [ FILTER_OP_LE_S64_DOUBLE ] = &&LABEL_FILTER_OP_LE_S64_DOUBLE, | |
711 | ||
97b58163 MD |
712 | /* unary */ |
713 | [ FILTER_OP_UNARY_PLUS ] = &&LABEL_FILTER_OP_UNARY_PLUS, | |
714 | [ FILTER_OP_UNARY_MINUS ] = &&LABEL_FILTER_OP_UNARY_MINUS, | |
715 | [ FILTER_OP_UNARY_NOT ] = &&LABEL_FILTER_OP_UNARY_NOT, | |
716 | [ FILTER_OP_UNARY_PLUS_S64 ] = &&LABEL_FILTER_OP_UNARY_PLUS_S64, | |
717 | [ FILTER_OP_UNARY_MINUS_S64 ] = &&LABEL_FILTER_OP_UNARY_MINUS_S64, | |
718 | [ FILTER_OP_UNARY_NOT_S64 ] = &&LABEL_FILTER_OP_UNARY_NOT_S64, | |
719 | [ FILTER_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_PLUS_DOUBLE, | |
720 | [ FILTER_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_MINUS_DOUBLE, | |
721 | [ FILTER_OP_UNARY_NOT_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_NOT_DOUBLE, | |
722 | ||
723 | /* logical */ | |
724 | [ FILTER_OP_AND ] = &&LABEL_FILTER_OP_AND, | |
725 | [ FILTER_OP_OR ] = &&LABEL_FILTER_OP_OR, | |
726 | ||
77aa5901 | 727 | /* load field ref */ |
97b58163 MD |
728 | [ FILTER_OP_LOAD_FIELD_REF ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF, |
729 | [ FILTER_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_STRING, | |
730 | [ FILTER_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_SEQUENCE, | |
731 | [ FILTER_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_S64, | |
732 | [ FILTER_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_DOUBLE, | |
733 | ||
77aa5901 | 734 | /* load from immediate operand */ |
97b58163 | 735 | [ FILTER_OP_LOAD_STRING ] = &&LABEL_FILTER_OP_LOAD_STRING, |
3151a51d | 736 | [ FILTER_OP_LOAD_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_LOAD_STAR_GLOB_STRING, |
97b58163 MD |
737 | [ FILTER_OP_LOAD_S64 ] = &&LABEL_FILTER_OP_LOAD_S64, |
738 | [ FILTER_OP_LOAD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_DOUBLE, | |
739 | ||
740 | /* cast */ | |
741 | [ FILTER_OP_CAST_TO_S64 ] = &&LABEL_FILTER_OP_CAST_TO_S64, | |
742 | [ FILTER_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_FILTER_OP_CAST_DOUBLE_TO_S64, | |
743 | [ FILTER_OP_CAST_NOP ] = &&LABEL_FILTER_OP_CAST_NOP, | |
77aa5901 MD |
744 | |
745 | /* get context ref */ | |
746 | [ FILTER_OP_GET_CONTEXT_REF ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF, | |
747 | [ FILTER_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_STRING, | |
748 | [ FILTER_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_S64, | |
749 | [ FILTER_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_DOUBLE, | |
47e5f13e MD |
750 | |
751 | /* Instructions for recursive traversal through composed types. */ | |
752 | [ FILTER_OP_GET_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_CONTEXT_ROOT, | |
753 | [ FILTER_OP_GET_APP_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_APP_CONTEXT_ROOT, | |
754 | [ FILTER_OP_GET_PAYLOAD_ROOT ] = &&LABEL_FILTER_OP_GET_PAYLOAD_ROOT, | |
755 | ||
756 | [ FILTER_OP_GET_SYMBOL ] = &&LABEL_FILTER_OP_GET_SYMBOL, | |
757 | [ FILTER_OP_GET_SYMBOL_FIELD ] = &&LABEL_FILTER_OP_GET_SYMBOL_FIELD, | |
758 | [ FILTER_OP_GET_INDEX_U16 ] = &&LABEL_FILTER_OP_GET_INDEX_U16, | |
759 | [ FILTER_OP_GET_INDEX_U64 ] = &&LABEL_FILTER_OP_GET_INDEX_U64, | |
760 | ||
761 | [ FILTER_OP_LOAD_FIELD ] = &&LABEL_FILTER_OP_LOAD_FIELD, | |
762 | [ FILTER_OP_LOAD_FIELD_S8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S8, | |
763 | [ FILTER_OP_LOAD_FIELD_S16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S16, | |
764 | [ FILTER_OP_LOAD_FIELD_S32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S32, | |
765 | [ FILTER_OP_LOAD_FIELD_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S64, | |
766 | [ FILTER_OP_LOAD_FIELD_U8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U8, | |
767 | [ FILTER_OP_LOAD_FIELD_U16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U16, | |
768 | [ FILTER_OP_LOAD_FIELD_U32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U32, | |
769 | [ FILTER_OP_LOAD_FIELD_U64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U64, | |
770 | [ FILTER_OP_LOAD_FIELD_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_STRING, | |
771 | [ FILTER_OP_LOAD_FIELD_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_SEQUENCE, | |
772 | [ FILTER_OP_LOAD_FIELD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_DOUBLE, | |
0039e2d8 MD |
773 | |
774 | [ FILTER_OP_UNARY_BIT_NOT ] = &&LABEL_FILTER_OP_UNARY_BIT_NOT, | |
93c591bb MD |
775 | |
776 | [ FILTER_OP_RETURN_S64 ] = &&LABEL_FILTER_OP_RETURN_S64, | |
97b58163 MD |
777 | }; |
778 | #endif /* #ifndef INTERPRETER_USE_SWITCH */ | |
779 | ||
780 | START_OP | |
781 | ||
782 | OP(FILTER_OP_UNKNOWN): | |
783 | OP(FILTER_OP_LOAD_FIELD_REF): | |
784 | #ifdef INTERPRETER_USE_SWITCH | |
785 | default: | |
786 | #endif /* INTERPRETER_USE_SWITCH */ | |
47e5f13e | 787 | ERR("unknown bytecode op %u", |
97b58163 MD |
788 | (unsigned int) *(filter_opcode_t *) pc); |
789 | ret = -EINVAL; | |
790 | goto end; | |
791 | ||
792 | OP(FILTER_OP_RETURN): | |
4526ba69 | 793 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
47e5f13e MD |
794 | /* Handle dynamic typing. */ |
795 | switch (estack_ax_t) { | |
796 | case REG_S64: | |
797 | retval = !!estack_ax_v; | |
798 | break; | |
799 | case REG_DOUBLE: | |
800 | case REG_STRING: | |
801 | case REG_STAR_GLOB_STRING: | |
802 | default: | |
803 | ret = -EINVAL; | |
804 | goto end; | |
805 | } | |
97b58163 MD |
806 | ret = 0; |
807 | goto end; | |
808 | ||
93c591bb | 809 | OP(FILTER_OP_RETURN_S64): |
4526ba69 | 810 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
93c591bb MD |
811 | retval = !!estack_ax_v; |
812 | ret = 0; | |
813 | goto end; | |
814 | ||
97b58163 MD |
815 | /* binary */ |
816 | OP(FILTER_OP_MUL): | |
817 | OP(FILTER_OP_DIV): | |
818 | OP(FILTER_OP_MOD): | |
819 | OP(FILTER_OP_PLUS): | |
820 | OP(FILTER_OP_MINUS): | |
47e5f13e | 821 | ERR("unsupported bytecode op %u", |
97b58163 MD |
822 | (unsigned int) *(filter_opcode_t *) pc); |
823 | ret = -EINVAL; | |
824 | goto end; | |
825 | ||
826 | OP(FILTER_OP_EQ): | |
53569322 MD |
827 | { |
828 | /* Dynamic typing. */ | |
829 | switch (estack_ax_t) { | |
830 | case REG_S64: | |
831 | switch (estack_bx_t) { | |
832 | case REG_S64: | |
833 | JUMP_TO(FILTER_OP_EQ_S64); | |
834 | case REG_DOUBLE: | |
835 | JUMP_TO(FILTER_OP_EQ_DOUBLE_S64); | |
3151a51d PP |
836 | case REG_STRING: /* Fall-through */ |
837 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
838 | ret = -EINVAL; |
839 | goto end; | |
840 | default: | |
841 | ERR("Unknown filter register type (%d)", | |
842 | (int) estack_bx_t); | |
843 | ret = -EINVAL; | |
844 | goto end; | |
845 | } | |
846 | break; | |
847 | case REG_DOUBLE: | |
848 | switch (estack_bx_t) { | |
849 | case REG_S64: | |
850 | JUMP_TO(FILTER_OP_EQ_S64_DOUBLE); | |
851 | case REG_DOUBLE: | |
852 | JUMP_TO(FILTER_OP_EQ_DOUBLE); | |
3151a51d PP |
853 | case REG_STRING: /* Fall-through */ |
854 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
855 | ret = -EINVAL; |
856 | goto end; | |
857 | default: | |
858 | ERR("Unknown filter register type (%d)", | |
859 | (int) estack_bx_t); | |
860 | ret = -EINVAL; | |
861 | goto end; | |
862 | } | |
863 | break; | |
864 | case REG_STRING: | |
865 | switch (estack_bx_t) { | |
866 | case REG_S64: /* Fall-through */ | |
867 | case REG_DOUBLE: | |
868 | ret = -EINVAL; | |
869 | goto end; | |
870 | case REG_STRING: | |
871 | JUMP_TO(FILTER_OP_EQ_STRING); | |
3151a51d PP |
872 | case REG_STAR_GLOB_STRING: |
873 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
874 | default: | |
875 | ERR("Unknown filter register type (%d)", | |
876 | (int) estack_bx_t); | |
877 | ret = -EINVAL; | |
878 | goto end; | |
879 | } | |
880 | break; | |
881 | case REG_STAR_GLOB_STRING: | |
882 | switch (estack_bx_t) { | |
883 | case REG_S64: /* Fall-through */ | |
884 | case REG_DOUBLE: | |
885 | ret = -EINVAL; | |
886 | goto end; | |
887 | case REG_STRING: | |
888 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
889 | case REG_STAR_GLOB_STRING: | |
890 | ret = -EINVAL; | |
891 | goto end; | |
53569322 MD |
892 | default: |
893 | ERR("Unknown filter register type (%d)", | |
894 | (int) estack_bx_t); | |
895 | ret = -EINVAL; | |
896 | goto end; | |
897 | } | |
898 | break; | |
899 | default: | |
900 | ERR("Unknown filter register type (%d)", | |
901 | (int) estack_ax_t); | |
902 | ret = -EINVAL; | |
903 | goto end; | |
904 | } | |
905 | } | |
97b58163 | 906 | OP(FILTER_OP_NE): |
53569322 MD |
907 | { |
908 | /* Dynamic typing. */ | |
909 | switch (estack_ax_t) { | |
910 | case REG_S64: | |
911 | switch (estack_bx_t) { | |
912 | case REG_S64: | |
913 | JUMP_TO(FILTER_OP_NE_S64); | |
914 | case REG_DOUBLE: | |
915 | JUMP_TO(FILTER_OP_NE_DOUBLE_S64); | |
3151a51d PP |
916 | case REG_STRING: /* Fall-through */ |
917 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
918 | ret = -EINVAL; |
919 | goto end; | |
920 | default: | |
921 | ERR("Unknown filter register type (%d)", | |
922 | (int) estack_bx_t); | |
923 | ret = -EINVAL; | |
924 | goto end; | |
925 | } | |
926 | break; | |
927 | case REG_DOUBLE: | |
928 | switch (estack_bx_t) { | |
929 | case REG_S64: | |
930 | JUMP_TO(FILTER_OP_NE_S64_DOUBLE); | |
931 | case REG_DOUBLE: | |
932 | JUMP_TO(FILTER_OP_NE_DOUBLE); | |
3151a51d PP |
933 | case REG_STRING: /* Fall-through */ |
934 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
935 | ret = -EINVAL; |
936 | goto end; | |
937 | default: | |
938 | ERR("Unknown filter register type (%d)", | |
939 | (int) estack_bx_t); | |
940 | ret = -EINVAL; | |
941 | goto end; | |
942 | } | |
943 | break; | |
944 | case REG_STRING: | |
945 | switch (estack_bx_t) { | |
946 | case REG_S64: /* Fall-through */ | |
947 | case REG_DOUBLE: | |
948 | ret = -EINVAL; | |
949 | goto end; | |
950 | case REG_STRING: | |
951 | JUMP_TO(FILTER_OP_NE_STRING); | |
3151a51d PP |
952 | case REG_STAR_GLOB_STRING: |
953 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
954 | default: | |
955 | ERR("Unknown filter register type (%d)", | |
956 | (int) estack_bx_t); | |
957 | ret = -EINVAL; | |
958 | goto end; | |
959 | } | |
960 | break; | |
961 | case REG_STAR_GLOB_STRING: | |
962 | switch (estack_bx_t) { | |
963 | case REG_S64: /* Fall-through */ | |
964 | case REG_DOUBLE: | |
965 | ret = -EINVAL; | |
966 | goto end; | |
967 | case REG_STRING: | |
968 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
969 | case REG_STAR_GLOB_STRING: | |
970 | ret = -EINVAL; | |
971 | goto end; | |
53569322 MD |
972 | default: |
973 | ERR("Unknown filter register type (%d)", | |
974 | (int) estack_bx_t); | |
975 | ret = -EINVAL; | |
976 | goto end; | |
977 | } | |
978 | break; | |
979 | default: | |
980 | ERR("Unknown filter register type (%d)", | |
981 | (int) estack_ax_t); | |
982 | ret = -EINVAL; | |
983 | goto end; | |
984 | } | |
985 | } | |
97b58163 | 986 | OP(FILTER_OP_GT): |
53569322 MD |
987 | { |
988 | /* Dynamic typing. */ | |
989 | switch (estack_ax_t) { | |
990 | case REG_S64: | |
991 | switch (estack_bx_t) { | |
992 | case REG_S64: | |
993 | JUMP_TO(FILTER_OP_GT_S64); | |
994 | case REG_DOUBLE: | |
995 | JUMP_TO(FILTER_OP_GT_DOUBLE_S64); | |
3151a51d PP |
996 | case REG_STRING: /* Fall-through */ |
997 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
998 | ret = -EINVAL; |
999 | goto end; | |
1000 | default: | |
1001 | ERR("Unknown filter register type (%d)", | |
1002 | (int) estack_bx_t); | |
1003 | ret = -EINVAL; | |
1004 | goto end; | |
1005 | } | |
1006 | break; | |
1007 | case REG_DOUBLE: | |
1008 | switch (estack_bx_t) { | |
1009 | case REG_S64: | |
1010 | JUMP_TO(FILTER_OP_GT_S64_DOUBLE); | |
1011 | case REG_DOUBLE: | |
1012 | JUMP_TO(FILTER_OP_GT_DOUBLE); | |
3151a51d PP |
1013 | case REG_STRING: /* Fall-through */ |
1014 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1015 | ret = -EINVAL; |
1016 | goto end; | |
1017 | default: | |
1018 | ERR("Unknown filter register type (%d)", | |
1019 | (int) estack_bx_t); | |
1020 | ret = -EINVAL; | |
1021 | goto end; | |
1022 | } | |
1023 | break; | |
1024 | case REG_STRING: | |
1025 | switch (estack_bx_t) { | |
1026 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1027 | case REG_DOUBLE: /* Fall-through */ |
1028 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1029 | ret = -EINVAL; |
1030 | goto end; | |
1031 | case REG_STRING: | |
1032 | JUMP_TO(FILTER_OP_GT_STRING); | |
1033 | default: | |
1034 | ERR("Unknown filter register type (%d)", | |
1035 | (int) estack_bx_t); | |
1036 | ret = -EINVAL; | |
1037 | goto end; | |
1038 | } | |
1039 | break; | |
1040 | default: | |
1041 | ERR("Unknown filter register type (%d)", | |
1042 | (int) estack_ax_t); | |
1043 | ret = -EINVAL; | |
1044 | goto end; | |
1045 | } | |
1046 | } | |
97b58163 | 1047 | OP(FILTER_OP_LT): |
53569322 MD |
1048 | { |
1049 | /* Dynamic typing. */ | |
1050 | switch (estack_ax_t) { | |
1051 | case REG_S64: | |
1052 | switch (estack_bx_t) { | |
1053 | case REG_S64: | |
1054 | JUMP_TO(FILTER_OP_LT_S64); | |
1055 | case REG_DOUBLE: | |
1056 | JUMP_TO(FILTER_OP_LT_DOUBLE_S64); | |
3151a51d PP |
1057 | case REG_STRING: /* Fall-through */ |
1058 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1059 | ret = -EINVAL; |
1060 | goto end; | |
1061 | default: | |
1062 | ERR("Unknown filter register type (%d)", | |
1063 | (int) estack_bx_t); | |
1064 | ret = -EINVAL; | |
1065 | goto end; | |
1066 | } | |
1067 | break; | |
1068 | case REG_DOUBLE: | |
1069 | switch (estack_bx_t) { | |
1070 | case REG_S64: | |
1071 | JUMP_TO(FILTER_OP_LT_S64_DOUBLE); | |
1072 | case REG_DOUBLE: | |
1073 | JUMP_TO(FILTER_OP_LT_DOUBLE); | |
3151a51d PP |
1074 | case REG_STRING: /* Fall-through */ |
1075 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1076 | ret = -EINVAL; |
1077 | goto end; | |
1078 | default: | |
1079 | ERR("Unknown filter register type (%d)", | |
1080 | (int) estack_bx_t); | |
1081 | ret = -EINVAL; | |
1082 | goto end; | |
1083 | } | |
1084 | break; | |
1085 | case REG_STRING: | |
1086 | switch (estack_bx_t) { | |
1087 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1088 | case REG_DOUBLE: /* Fall-through */ |
1089 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1090 | ret = -EINVAL; |
1091 | goto end; | |
1092 | case REG_STRING: | |
1093 | JUMP_TO(FILTER_OP_LT_STRING); | |
1094 | default: | |
1095 | ERR("Unknown filter register type (%d)", | |
1096 | (int) estack_bx_t); | |
1097 | ret = -EINVAL; | |
1098 | goto end; | |
1099 | } | |
1100 | break; | |
1101 | default: | |
1102 | ERR("Unknown filter register type (%d)", | |
1103 | (int) estack_ax_t); | |
1104 | ret = -EINVAL; | |
1105 | goto end; | |
1106 | } | |
1107 | } | |
97b58163 | 1108 | OP(FILTER_OP_GE): |
53569322 MD |
1109 | { |
1110 | /* Dynamic typing. */ | |
1111 | switch (estack_ax_t) { | |
1112 | case REG_S64: | |
1113 | switch (estack_bx_t) { | |
1114 | case REG_S64: | |
1115 | JUMP_TO(FILTER_OP_GE_S64); | |
1116 | case REG_DOUBLE: | |
1117 | JUMP_TO(FILTER_OP_GE_DOUBLE_S64); | |
3151a51d PP |
1118 | case REG_STRING: /* Fall-through */ |
1119 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1120 | ret = -EINVAL; |
1121 | goto end; | |
1122 | default: | |
1123 | ERR("Unknown filter register type (%d)", | |
1124 | (int) estack_bx_t); | |
1125 | ret = -EINVAL; | |
1126 | goto end; | |
1127 | } | |
1128 | break; | |
1129 | case REG_DOUBLE: | |
1130 | switch (estack_bx_t) { | |
1131 | case REG_S64: | |
1132 | JUMP_TO(FILTER_OP_GE_S64_DOUBLE); | |
1133 | case REG_DOUBLE: | |
1134 | JUMP_TO(FILTER_OP_GE_DOUBLE); | |
3151a51d PP |
1135 | case REG_STRING: /* Fall-through */ |
1136 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1137 | ret = -EINVAL; |
1138 | goto end; | |
1139 | default: | |
1140 | ERR("Unknown filter register type (%d)", | |
1141 | (int) estack_bx_t); | |
1142 | ret = -EINVAL; | |
1143 | goto end; | |
1144 | } | |
1145 | break; | |
1146 | case REG_STRING: | |
1147 | switch (estack_bx_t) { | |
1148 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1149 | case REG_DOUBLE: /* Fall-through */ |
1150 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1151 | ret = -EINVAL; |
1152 | goto end; | |
1153 | case REG_STRING: | |
1154 | JUMP_TO(FILTER_OP_GE_STRING); | |
1155 | default: | |
1156 | ERR("Unknown filter register type (%d)", | |
1157 | (int) estack_bx_t); | |
1158 | ret = -EINVAL; | |
1159 | goto end; | |
1160 | } | |
1161 | break; | |
1162 | default: | |
1163 | ERR("Unknown filter register type (%d)", | |
1164 | (int) estack_ax_t); | |
1165 | ret = -EINVAL; | |
1166 | goto end; | |
1167 | } | |
1168 | } | |
97b58163 | 1169 | OP(FILTER_OP_LE): |
53569322 MD |
1170 | { |
1171 | /* Dynamic typing. */ | |
1172 | switch (estack_ax_t) { | |
1173 | case REG_S64: | |
1174 | switch (estack_bx_t) { | |
1175 | case REG_S64: | |
1176 | JUMP_TO(FILTER_OP_LE_S64); | |
1177 | case REG_DOUBLE: | |
1178 | JUMP_TO(FILTER_OP_LE_DOUBLE_S64); | |
3151a51d PP |
1179 | case REG_STRING: /* Fall-through */ |
1180 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1181 | ret = -EINVAL; |
1182 | goto end; | |
1183 | default: | |
1184 | ERR("Unknown filter register type (%d)", | |
1185 | (int) estack_bx_t); | |
1186 | ret = -EINVAL; | |
1187 | goto end; | |
1188 | } | |
1189 | break; | |
1190 | case REG_DOUBLE: | |
1191 | switch (estack_bx_t) { | |
1192 | case REG_S64: | |
1193 | JUMP_TO(FILTER_OP_LE_S64_DOUBLE); | |
1194 | case REG_DOUBLE: | |
1195 | JUMP_TO(FILTER_OP_LE_DOUBLE); | |
3151a51d PP |
1196 | case REG_STRING: /* Fall-through */ |
1197 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1198 | ret = -EINVAL; |
1199 | goto end; | |
1200 | default: | |
1201 | ERR("Unknown filter register type (%d)", | |
1202 | (int) estack_bx_t); | |
1203 | ret = -EINVAL; | |
1204 | goto end; | |
1205 | } | |
1206 | break; | |
1207 | case REG_STRING: | |
1208 | switch (estack_bx_t) { | |
1209 | case REG_S64: /* Fall-through */ | |
3151a51d PP |
1210 | case REG_DOUBLE: /* Fall-through */ |
1211 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1212 | ret = -EINVAL; |
1213 | goto end; | |
1214 | case REG_STRING: | |
1215 | JUMP_TO(FILTER_OP_LE_STRING); | |
1216 | default: | |
1217 | ERR("Unknown filter register type (%d)", | |
1218 | (int) estack_bx_t); | |
1219 | ret = -EINVAL; | |
1220 | goto end; | |
1221 | } | |
1222 | break; | |
1223 | default: | |
1224 | ERR("Unknown filter register type (%d)", | |
1225 | (int) estack_ax_t); | |
1226 | ret = -EINVAL; | |
1227 | goto end; | |
1228 | } | |
1229 | } | |
97b58163 MD |
1230 | |
1231 | OP(FILTER_OP_EQ_STRING): | |
1232 | { | |
0305960f MD |
1233 | int res; |
1234 | ||
9b33aac4 | 1235 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 1236 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1237 | estack_ax_v = res; |
53569322 | 1238 | estack_ax_t = REG_S64; |
97b58163 MD |
1239 | next_pc += sizeof(struct binary_op); |
1240 | PO; | |
1241 | } | |
1242 | OP(FILTER_OP_NE_STRING): | |
1243 | { | |
0305960f MD |
1244 | int res; |
1245 | ||
9b33aac4 | 1246 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 1247 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1248 | estack_ax_v = res; |
53569322 | 1249 | estack_ax_t = REG_S64; |
97b58163 MD |
1250 | next_pc += sizeof(struct binary_op); |
1251 | PO; | |
1252 | } | |
1253 | OP(FILTER_OP_GT_STRING): | |
1254 | { | |
0305960f MD |
1255 | int res; |
1256 | ||
9b33aac4 | 1257 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 1258 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1259 | estack_ax_v = res; |
53569322 | 1260 | estack_ax_t = REG_S64; |
97b58163 MD |
1261 | next_pc += sizeof(struct binary_op); |
1262 | PO; | |
1263 | } | |
1264 | OP(FILTER_OP_LT_STRING): | |
1265 | { | |
0305960f MD |
1266 | int res; |
1267 | ||
9b33aac4 | 1268 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 1269 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1270 | estack_ax_v = res; |
53569322 | 1271 | estack_ax_t = REG_S64; |
97b58163 MD |
1272 | next_pc += sizeof(struct binary_op); |
1273 | PO; | |
1274 | } | |
1275 | OP(FILTER_OP_GE_STRING): | |
1276 | { | |
0305960f MD |
1277 | int res; |
1278 | ||
9b33aac4 | 1279 | res = (stack_strcmp(stack, top, ">=") >= 0); |
53569322 | 1280 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1281 | estack_ax_v = res; |
53569322 | 1282 | estack_ax_t = REG_S64; |
97b58163 MD |
1283 | next_pc += sizeof(struct binary_op); |
1284 | PO; | |
1285 | } | |
1286 | OP(FILTER_OP_LE_STRING): | |
1287 | { | |
0305960f MD |
1288 | int res; |
1289 | ||
9b33aac4 | 1290 | res = (stack_strcmp(stack, top, "<=") <= 0); |
53569322 | 1291 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1292 | estack_ax_v = res; |
53569322 | 1293 | estack_ax_t = REG_S64; |
97b58163 MD |
1294 | next_pc += sizeof(struct binary_op); |
1295 | PO; | |
1296 | } | |
1297 | ||
3151a51d PP |
1298 | OP(FILTER_OP_EQ_STAR_GLOB_STRING): |
1299 | { | |
1300 | int res; | |
1301 | ||
1302 | res = (stack_star_glob_match(stack, top, "==") == 0); | |
1303 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1304 | estack_ax_v = res; | |
1305 | estack_ax_t = REG_S64; | |
1306 | next_pc += sizeof(struct binary_op); | |
1307 | PO; | |
1308 | } | |
1309 | OP(FILTER_OP_NE_STAR_GLOB_STRING): | |
1310 | { | |
1311 | int res; | |
1312 | ||
1313 | res = (stack_star_glob_match(stack, top, "!=") != 0); | |
1314 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1315 | estack_ax_v = res; | |
1316 | estack_ax_t = REG_S64; | |
1317 | next_pc += sizeof(struct binary_op); | |
1318 | PO; | |
1319 | } | |
1320 | ||
97b58163 MD |
1321 | OP(FILTER_OP_EQ_S64): |
1322 | { | |
0305960f MD |
1323 | int res; |
1324 | ||
9b33aac4 | 1325 | res = (estack_bx_v == estack_ax_v); |
53569322 | 1326 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1327 | estack_ax_v = res; |
53569322 | 1328 | estack_ax_t = REG_S64; |
97b58163 MD |
1329 | next_pc += sizeof(struct binary_op); |
1330 | PO; | |
1331 | } | |
1332 | OP(FILTER_OP_NE_S64): | |
1333 | { | |
0305960f MD |
1334 | int res; |
1335 | ||
9b33aac4 | 1336 | res = (estack_bx_v != estack_ax_v); |
53569322 | 1337 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1338 | estack_ax_v = res; |
53569322 | 1339 | estack_ax_t = REG_S64; |
97b58163 MD |
1340 | next_pc += sizeof(struct binary_op); |
1341 | PO; | |
1342 | } | |
1343 | OP(FILTER_OP_GT_S64): | |
1344 | { | |
0305960f MD |
1345 | int res; |
1346 | ||
9b33aac4 | 1347 | res = (estack_bx_v > estack_ax_v); |
53569322 | 1348 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1349 | estack_ax_v = res; |
53569322 | 1350 | estack_ax_t = REG_S64; |
97b58163 MD |
1351 | next_pc += sizeof(struct binary_op); |
1352 | PO; | |
1353 | } | |
1354 | OP(FILTER_OP_LT_S64): | |
1355 | { | |
0305960f MD |
1356 | int res; |
1357 | ||
9b33aac4 | 1358 | res = (estack_bx_v < estack_ax_v); |
53569322 | 1359 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1360 | estack_ax_v = res; |
53569322 | 1361 | estack_ax_t = REG_S64; |
97b58163 MD |
1362 | next_pc += sizeof(struct binary_op); |
1363 | PO; | |
1364 | } | |
1365 | OP(FILTER_OP_GE_S64): | |
1366 | { | |
0305960f MD |
1367 | int res; |
1368 | ||
9b33aac4 | 1369 | res = (estack_bx_v >= estack_ax_v); |
53569322 | 1370 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1371 | estack_ax_v = res; |
53569322 | 1372 | estack_ax_t = REG_S64; |
97b58163 MD |
1373 | next_pc += sizeof(struct binary_op); |
1374 | PO; | |
1375 | } | |
1376 | OP(FILTER_OP_LE_S64): | |
1377 | { | |
0305960f MD |
1378 | int res; |
1379 | ||
9b33aac4 | 1380 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 1381 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1382 | estack_ax_v = res; |
53569322 | 1383 | estack_ax_t = REG_S64; |
97b58163 MD |
1384 | next_pc += sizeof(struct binary_op); |
1385 | PO; | |
1386 | } | |
1387 | ||
1388 | OP(FILTER_OP_EQ_DOUBLE): | |
1389 | { | |
0305960f MD |
1390 | int res; |
1391 | ||
9b33aac4 | 1392 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 1393 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1394 | estack_ax_v = res; |
53569322 | 1395 | estack_ax_t = REG_S64; |
97b58163 MD |
1396 | next_pc += sizeof(struct binary_op); |
1397 | PO; | |
1398 | } | |
1399 | OP(FILTER_OP_NE_DOUBLE): | |
1400 | { | |
0305960f MD |
1401 | int res; |
1402 | ||
9b33aac4 | 1403 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 1404 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1405 | estack_ax_v = res; |
53569322 | 1406 | estack_ax_t = REG_S64; |
97b58163 MD |
1407 | next_pc += sizeof(struct binary_op); |
1408 | PO; | |
1409 | } | |
1410 | OP(FILTER_OP_GT_DOUBLE): | |
1411 | { | |
0305960f MD |
1412 | int res; |
1413 | ||
9b33aac4 | 1414 | res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); |
53569322 | 1415 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1416 | estack_ax_v = res; |
53569322 | 1417 | estack_ax_t = REG_S64; |
97b58163 MD |
1418 | next_pc += sizeof(struct binary_op); |
1419 | PO; | |
1420 | } | |
1421 | OP(FILTER_OP_LT_DOUBLE): | |
1422 | { | |
0305960f MD |
1423 | int res; |
1424 | ||
9b33aac4 | 1425 | res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); |
53569322 | 1426 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1427 | estack_ax_v = res; |
53569322 | 1428 | estack_ax_t = REG_S64; |
97b58163 MD |
1429 | next_pc += sizeof(struct binary_op); |
1430 | PO; | |
1431 | } | |
1432 | OP(FILTER_OP_GE_DOUBLE): | |
1433 | { | |
0305960f MD |
1434 | int res; |
1435 | ||
9b33aac4 | 1436 | res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); |
53569322 | 1437 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1438 | estack_ax_v = res; |
53569322 | 1439 | estack_ax_t = REG_S64; |
97b58163 MD |
1440 | next_pc += sizeof(struct binary_op); |
1441 | PO; | |
1442 | } | |
1443 | OP(FILTER_OP_LE_DOUBLE): | |
1444 | { | |
0305960f MD |
1445 | int res; |
1446 | ||
9b33aac4 | 1447 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 1448 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1449 | estack_ax_v = res; |
53569322 | 1450 | estack_ax_t = REG_S64; |
dbea82ec MD |
1451 | next_pc += sizeof(struct binary_op); |
1452 | PO; | |
1453 | } | |
1454 | ||
1455 | /* Mixed S64-double binary comparators */ | |
1456 | OP(FILTER_OP_EQ_DOUBLE_S64): | |
1457 | { | |
1458 | int res; | |
1459 | ||
9b33aac4 | 1460 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
53569322 | 1461 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1462 | estack_ax_v = res; |
53569322 | 1463 | estack_ax_t = REG_S64; |
dbea82ec MD |
1464 | next_pc += sizeof(struct binary_op); |
1465 | PO; | |
1466 | } | |
1467 | OP(FILTER_OP_NE_DOUBLE_S64): | |
1468 | { | |
1469 | int res; | |
1470 | ||
9b33aac4 | 1471 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
53569322 | 1472 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1473 | estack_ax_v = res; |
53569322 | 1474 | estack_ax_t = REG_S64; |
dbea82ec MD |
1475 | next_pc += sizeof(struct binary_op); |
1476 | PO; | |
1477 | } | |
1478 | OP(FILTER_OP_GT_DOUBLE_S64): | |
1479 | { | |
1480 | int res; | |
1481 | ||
9b33aac4 | 1482 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
53569322 | 1483 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1484 | estack_ax_v = res; |
53569322 | 1485 | estack_ax_t = REG_S64; |
dbea82ec MD |
1486 | next_pc += sizeof(struct binary_op); |
1487 | PO; | |
1488 | } | |
1489 | OP(FILTER_OP_LT_DOUBLE_S64): | |
1490 | { | |
1491 | int res; | |
1492 | ||
9b33aac4 | 1493 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 1494 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1495 | estack_ax_v = res; |
53569322 | 1496 | estack_ax_t = REG_S64; |
dbea82ec MD |
1497 | next_pc += sizeof(struct binary_op); |
1498 | PO; | |
1499 | } | |
1500 | OP(FILTER_OP_GE_DOUBLE_S64): | |
1501 | { | |
1502 | int res; | |
1503 | ||
9b33aac4 | 1504 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 1505 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1506 | estack_ax_v = res; |
53569322 | 1507 | estack_ax_t = REG_S64; |
dbea82ec MD |
1508 | next_pc += sizeof(struct binary_op); |
1509 | PO; | |
1510 | } | |
1511 | OP(FILTER_OP_LE_DOUBLE_S64): | |
1512 | { | |
1513 | int res; | |
1514 | ||
9b33aac4 | 1515 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 1516 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1517 | estack_ax_v = res; |
53569322 | 1518 | estack_ax_t = REG_S64; |
dbea82ec MD |
1519 | next_pc += sizeof(struct binary_op); |
1520 | PO; | |
1521 | } | |
1522 | ||
1523 | OP(FILTER_OP_EQ_S64_DOUBLE): | |
1524 | { | |
1525 | int res; | |
1526 | ||
9b33aac4 | 1527 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 1528 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1529 | estack_ax_v = res; |
53569322 | 1530 | estack_ax_t = REG_S64; |
dbea82ec MD |
1531 | next_pc += sizeof(struct binary_op); |
1532 | PO; | |
1533 | } | |
1534 | OP(FILTER_OP_NE_S64_DOUBLE): | |
1535 | { | |
1536 | int res; | |
1537 | ||
9b33aac4 | 1538 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 1539 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1540 | estack_ax_v = res; |
53569322 | 1541 | estack_ax_t = REG_S64; |
dbea82ec MD |
1542 | next_pc += sizeof(struct binary_op); |
1543 | PO; | |
1544 | } | |
1545 | OP(FILTER_OP_GT_S64_DOUBLE): | |
1546 | { | |
1547 | int res; | |
1548 | ||
9b33aac4 | 1549 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 1550 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1551 | estack_ax_v = res; |
53569322 | 1552 | estack_ax_t = REG_S64; |
dbea82ec MD |
1553 | next_pc += sizeof(struct binary_op); |
1554 | PO; | |
1555 | } | |
1556 | OP(FILTER_OP_LT_S64_DOUBLE): | |
1557 | { | |
1558 | int res; | |
1559 | ||
9b33aac4 | 1560 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 1561 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1562 | estack_ax_v = res; |
53569322 | 1563 | estack_ax_t = REG_S64; |
dbea82ec MD |
1564 | next_pc += sizeof(struct binary_op); |
1565 | PO; | |
1566 | } | |
1567 | OP(FILTER_OP_GE_S64_DOUBLE): | |
1568 | { | |
1569 | int res; | |
1570 | ||
9b33aac4 | 1571 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 1572 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1573 | estack_ax_v = res; |
53569322 | 1574 | estack_ax_t = REG_S64; |
dbea82ec MD |
1575 | next_pc += sizeof(struct binary_op); |
1576 | PO; | |
1577 | } | |
1578 | OP(FILTER_OP_LE_S64_DOUBLE): | |
1579 | { | |
1580 | int res; | |
1581 | ||
9b33aac4 | 1582 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1583 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1584 | estack_ax_v = res; |
53569322 | 1585 | estack_ax_t = REG_S64; |
97b58163 MD |
1586 | next_pc += sizeof(struct binary_op); |
1587 | PO; | |
1588 | } | |
0039e2d8 MD |
1589 | OP(FILTER_OP_BIT_RSHIFT): |
1590 | { | |
1591 | int64_t res; | |
1592 | ||
1593 | /* Dynamic typing. */ | |
1594 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1595 | ret = -EINVAL; | |
1596 | goto end; | |
1597 | } | |
3703f1d2 MD |
1598 | /* Catch undefined behavior. */ |
1599 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1600 | ret = -EINVAL; | |
1601 | goto end; | |
1602 | } | |
4e8f9a89 | 1603 | res = ((uint64_t) estack_bx_v >> (uint32_t) estack_ax_v); |
0039e2d8 MD |
1604 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1605 | estack_ax_v = res; | |
1606 | estack_ax_t = REG_S64; | |
1607 | next_pc += sizeof(struct binary_op); | |
1608 | PO; | |
1609 | } | |
1610 | OP(FILTER_OP_BIT_LSHIFT): | |
1611 | { | |
1612 | int64_t res; | |
1613 | ||
1614 | /* Dynamic typing. */ | |
1615 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1616 | ret = -EINVAL; | |
1617 | goto end; | |
1618 | } | |
3703f1d2 MD |
1619 | /* Catch undefined behavior. */ |
1620 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1621 | ret = -EINVAL; | |
1622 | goto end; | |
1623 | } | |
4e8f9a89 | 1624 | res = ((uint64_t) estack_bx_v << (uint32_t) estack_ax_v); |
0039e2d8 MD |
1625 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1626 | estack_ax_v = res; | |
1627 | estack_ax_t = REG_S64; | |
1628 | next_pc += sizeof(struct binary_op); | |
1629 | PO; | |
1630 | } | |
47e5f13e MD |
1631 | OP(FILTER_OP_BIT_AND): |
1632 | { | |
1633 | int64_t res; | |
1634 | ||
1635 | /* Dynamic typing. */ | |
1636 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1637 | ret = -EINVAL; | |
1638 | goto end; | |
1639 | } | |
1640 | ||
4e8f9a89 | 1641 | res = ((uint64_t) estack_bx_v & (uint64_t) estack_ax_v); |
47e5f13e MD |
1642 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1643 | estack_ax_v = res; | |
1644 | estack_ax_t = REG_S64; | |
1645 | next_pc += sizeof(struct binary_op); | |
1646 | PO; | |
1647 | } | |
1648 | OP(FILTER_OP_BIT_OR): | |
1649 | { | |
1650 | int64_t res; | |
1651 | ||
1652 | /* Dynamic typing. */ | |
1653 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1654 | ret = -EINVAL; | |
1655 | goto end; | |
1656 | } | |
1657 | ||
4e8f9a89 | 1658 | res = ((uint64_t) estack_bx_v | (uint64_t) estack_ax_v); |
47e5f13e MD |
1659 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1660 | estack_ax_v = res; | |
1661 | estack_ax_t = REG_S64; | |
1662 | next_pc += sizeof(struct binary_op); | |
1663 | PO; | |
1664 | } | |
1665 | OP(FILTER_OP_BIT_XOR): | |
1666 | { | |
1667 | int64_t res; | |
1668 | ||
1669 | /* Dynamic typing. */ | |
1670 | if (estack_ax_t != REG_S64 || estack_bx_t != REG_S64) { | |
1671 | ret = -EINVAL; | |
1672 | goto end; | |
1673 | } | |
1674 | ||
4e8f9a89 | 1675 | res = ((uint64_t) estack_bx_v ^ (uint64_t) estack_ax_v); |
47e5f13e MD |
1676 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1677 | estack_ax_v = res; | |
1678 | estack_ax_t = REG_S64; | |
1679 | next_pc += sizeof(struct binary_op); | |
1680 | PO; | |
1681 | } | |
97b58163 MD |
1682 | |
1683 | /* unary */ | |
1684 | OP(FILTER_OP_UNARY_PLUS): | |
53569322 MD |
1685 | { |
1686 | /* Dynamic typing. */ | |
1687 | switch (estack_ax_t) { | |
1688 | case REG_S64: /* Fall-through. */ | |
1689 | JUMP_TO(FILTER_OP_UNARY_PLUS_S64); | |
1690 | case REG_DOUBLE: | |
1691 | JUMP_TO(FILTER_OP_UNARY_PLUS_DOUBLE); | |
3151a51d PP |
1692 | case REG_STRING: /* Fall-through */ |
1693 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1694 | ret = -EINVAL; |
1695 | goto end; | |
1696 | default: | |
1697 | ERR("Unknown filter register type (%d)", | |
1698 | (int) estack_ax_t); | |
1699 | ret = -EINVAL; | |
1700 | goto end; | |
1701 | } | |
1702 | } | |
97b58163 | 1703 | OP(FILTER_OP_UNARY_MINUS): |
53569322 MD |
1704 | { |
1705 | /* Dynamic typing. */ | |
1706 | switch (estack_ax_t) { | |
1707 | case REG_S64: | |
1708 | JUMP_TO(FILTER_OP_UNARY_MINUS_S64); | |
1709 | case REG_DOUBLE: | |
1710 | JUMP_TO(FILTER_OP_UNARY_MINUS_DOUBLE); | |
3151a51d PP |
1711 | case REG_STRING: /* Fall-through */ |
1712 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1713 | ret = -EINVAL; |
1714 | goto end; | |
1715 | default: | |
1716 | ERR("Unknown filter register type (%d)", | |
1717 | (int) estack_ax_t); | |
1718 | ret = -EINVAL; | |
1719 | goto end; | |
1720 | } | |
1721 | } | |
97b58163 | 1722 | OP(FILTER_OP_UNARY_NOT): |
53569322 MD |
1723 | { |
1724 | /* Dynamic typing. */ | |
1725 | switch (estack_ax_t) { | |
1726 | case REG_S64: | |
1727 | JUMP_TO(FILTER_OP_UNARY_NOT_S64); | |
1728 | case REG_DOUBLE: | |
1729 | JUMP_TO(FILTER_OP_UNARY_NOT_DOUBLE); | |
3151a51d PP |
1730 | case REG_STRING: /* Fall-through */ |
1731 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1732 | ret = -EINVAL; |
1733 | goto end; | |
1734 | default: | |
1735 | ERR("Unknown filter register type (%d)", | |
1736 | (int) estack_ax_t); | |
1737 | ret = -EINVAL; | |
1738 | goto end; | |
1739 | } | |
1740 | next_pc += sizeof(struct unary_op); | |
1741 | PO; | |
1742 | } | |
97b58163 | 1743 | |
0039e2d8 MD |
1744 | OP(FILTER_OP_UNARY_BIT_NOT): |
1745 | { | |
1746 | /* Dynamic typing. */ | |
1747 | if (estack_ax_t != REG_S64) { | |
1748 | ret = -EINVAL; | |
1749 | goto end; | |
1750 | } | |
1751 | ||
4e8f9a89 | 1752 | estack_ax_v = ~(uint64_t) estack_ax_v; |
0039e2d8 MD |
1753 | next_pc += sizeof(struct unary_op); |
1754 | PO; | |
1755 | } | |
1756 | ||
97b58163 MD |
1757 | OP(FILTER_OP_UNARY_PLUS_S64): |
1758 | OP(FILTER_OP_UNARY_PLUS_DOUBLE): | |
1759 | { | |
1760 | next_pc += sizeof(struct unary_op); | |
1761 | PO; | |
1762 | } | |
1763 | OP(FILTER_OP_UNARY_MINUS_S64): | |
1764 | { | |
9b33aac4 | 1765 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1766 | next_pc += sizeof(struct unary_op); |
1767 | PO; | |
1768 | } | |
1769 | OP(FILTER_OP_UNARY_MINUS_DOUBLE): | |
1770 | { | |
9b33aac4 | 1771 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1772 | next_pc += sizeof(struct unary_op); |
1773 | PO; | |
1774 | } | |
1775 | OP(FILTER_OP_UNARY_NOT_S64): | |
1776 | { | |
9b33aac4 | 1777 | estack_ax_v = !estack_ax_v; |
97b58163 MD |
1778 | next_pc += sizeof(struct unary_op); |
1779 | PO; | |
1780 | } | |
1781 | OP(FILTER_OP_UNARY_NOT_DOUBLE): | |
1782 | { | |
53569322 MD |
1783 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1784 | estack_ax_t = REG_S64; | |
97b58163 MD |
1785 | next_pc += sizeof(struct unary_op); |
1786 | PO; | |
1787 | } | |
1788 | ||
1789 | /* logical */ | |
1790 | OP(FILTER_OP_AND): | |
1791 | { | |
1792 | struct logical_op *insn = (struct logical_op *) pc; | |
1793 | ||
53569322 MD |
1794 | if (estack_ax_t != REG_S64) { |
1795 | ret = -EINVAL; | |
1796 | goto end; | |
1797 | } | |
0305960f | 1798 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1799 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1800 | dbg_printf("Jumping to bytecode offset %u\n", |
1801 | (unsigned int) insn->skip_offset); | |
1802 | next_pc = start_pc + insn->skip_offset; | |
1803 | } else { | |
71c1ceeb | 1804 | /* Pop 1 when jump not taken */ |
53569322 | 1805 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1806 | next_pc += sizeof(struct logical_op); |
1807 | } | |
1808 | PO; | |
1809 | } | |
1810 | OP(FILTER_OP_OR): | |
1811 | { | |
1812 | struct logical_op *insn = (struct logical_op *) pc; | |
1813 | ||
53569322 MD |
1814 | if (estack_ax_t != REG_S64) { |
1815 | ret = -EINVAL; | |
1816 | goto end; | |
1817 | } | |
0305960f | 1818 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1819 | if (unlikely(estack_ax_v != 0)) { |
1820 | estack_ax_v = 1; | |
97b58163 MD |
1821 | dbg_printf("Jumping to bytecode offset %u\n", |
1822 | (unsigned int) insn->skip_offset); | |
1823 | next_pc = start_pc + insn->skip_offset; | |
1824 | } else { | |
71c1ceeb | 1825 | /* Pop 1 when jump not taken */ |
53569322 | 1826 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1827 | next_pc += sizeof(struct logical_op); |
1828 | } | |
1829 | PO; | |
1830 | } | |
1831 | ||
1832 | ||
77aa5901 | 1833 | /* load field ref */ |
97b58163 MD |
1834 | OP(FILTER_OP_LOAD_FIELD_REF_STRING): |
1835 | { | |
1836 | struct load_op *insn = (struct load_op *) pc; | |
1837 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1838 | ||
1839 | dbg_printf("load field ref offset %u type string\n", | |
1840 | ref->offset); | |
53569322 | 1841 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1842 | estack_ax(stack, top)->u.s.str = |
97b58163 | 1843 | *(const char * const *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1844 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1845 | dbg_printf("Filter warning: loading a NULL string.\n"); |
1846 | ret = -EINVAL; | |
1847 | goto end; | |
1848 | } | |
a63d0dc8 | 1849 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1850 | estack_ax(stack, top)->u.s.literal_type = |
1851 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 1852 | estack_ax_t = REG_STRING; |
9b33aac4 | 1853 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1854 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1855 | PO; | |
1856 | } | |
1857 | ||
1858 | OP(FILTER_OP_LOAD_FIELD_REF_SEQUENCE): | |
1859 | { | |
1860 | struct load_op *insn = (struct load_op *) pc; | |
1861 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1862 | ||
1863 | dbg_printf("load field ref offset %u type sequence\n", | |
1864 | ref->offset); | |
53569322 | 1865 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1866 | estack_ax(stack, top)->u.s.seq_len = |
97b58163 | 1867 | *(unsigned long *) &filter_stack_data[ref->offset]; |
9b33aac4 | 1868 | estack_ax(stack, top)->u.s.str = |
97b58163 MD |
1869 | *(const char **) (&filter_stack_data[ref->offset |
1870 | + sizeof(unsigned long)]); | |
53569322 | 1871 | estack_ax_t = REG_STRING; |
9b33aac4 | 1872 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1873 | dbg_printf("Filter warning: loading a NULL sequence.\n"); |
1874 | ret = -EINVAL; | |
1875 | goto end; | |
1876 | } | |
3151a51d PP |
1877 | estack_ax(stack, top)->u.s.literal_type = |
1878 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
97b58163 MD |
1879 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1880 | PO; | |
1881 | } | |
1882 | ||
1883 | OP(FILTER_OP_LOAD_FIELD_REF_S64): | |
1884 | { | |
1885 | struct load_op *insn = (struct load_op *) pc; | |
1886 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1887 | ||
1888 | dbg_printf("load field ref offset %u type s64\n", | |
1889 | ref->offset); | |
53569322 | 1890 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 MD |
1891 | estack_ax_v = |
1892 | ((struct literal_numeric *) &filter_stack_data[ref->offset])->v; | |
53569322 | 1893 | estack_ax_t = REG_S64; |
9b33aac4 | 1894 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1895 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1896 | PO; | |
1897 | } | |
1898 | ||
1899 | OP(FILTER_OP_LOAD_FIELD_REF_DOUBLE): | |
1900 | { | |
1901 | struct load_op *insn = (struct load_op *) pc; | |
1902 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1903 | ||
1904 | dbg_printf("load field ref offset %u type double\n", | |
1905 | ref->offset); | |
53569322 | 1906 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1907 | memcpy(&estack_ax(stack, top)->u.d, &filter_stack_data[ref->offset], |
97b58163 | 1908 | sizeof(struct literal_double)); |
53569322 | 1909 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 1910 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
1911 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1912 | PO; | |
1913 | } | |
1914 | ||
77aa5901 | 1915 | /* load from immediate operand */ |
97b58163 MD |
1916 | OP(FILTER_OP_LOAD_STRING): |
1917 | { | |
1918 | struct load_op *insn = (struct load_op *) pc; | |
1919 | ||
1920 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 1921 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1922 | estack_ax(stack, top)->u.s.str = insn->data; |
a63d0dc8 | 1923 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1924 | estack_ax(stack, top)->u.s.literal_type = |
1925 | ESTACK_STRING_LITERAL_TYPE_PLAIN; | |
53569322 | 1926 | estack_ax_t = REG_STRING; |
97b58163 MD |
1927 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
1928 | PO; | |
1929 | } | |
1930 | ||
3151a51d PP |
1931 | OP(FILTER_OP_LOAD_STAR_GLOB_STRING): |
1932 | { | |
1933 | struct load_op *insn = (struct load_op *) pc; | |
1934 | ||
1935 | dbg_printf("load globbing pattern %s\n", insn->data); | |
1936 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
1937 | estack_ax(stack, top)->u.s.str = insn->data; | |
a63d0dc8 | 1938 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1939 | estack_ax(stack, top)->u.s.literal_type = |
1940 | ESTACK_STRING_LITERAL_TYPE_STAR_GLOB; | |
1941 | estack_ax_t = REG_STAR_GLOB_STRING; | |
1942 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
1943 | PO; | |
1944 | } | |
1945 | ||
97b58163 MD |
1946 | OP(FILTER_OP_LOAD_S64): |
1947 | { | |
1948 | struct load_op *insn = (struct load_op *) pc; | |
1949 | ||
53569322 | 1950 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1951 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 1952 | estack_ax_t = REG_S64; |
9b33aac4 | 1953 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
1954 | next_pc += sizeof(struct load_op) |
1955 | + sizeof(struct literal_numeric); | |
1956 | PO; | |
1957 | } | |
1958 | ||
1959 | OP(FILTER_OP_LOAD_DOUBLE): | |
1960 | { | |
1961 | struct load_op *insn = (struct load_op *) pc; | |
1962 | ||
53569322 | 1963 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1964 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 1965 | sizeof(struct literal_double)); |
53569322 MD |
1966 | estack_ax_t = REG_DOUBLE; |
1967 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
1968 | next_pc += sizeof(struct load_op) |
1969 | + sizeof(struct literal_double); | |
1970 | PO; | |
1971 | } | |
1972 | ||
1973 | /* cast */ | |
1974 | OP(FILTER_OP_CAST_TO_S64): | |
53569322 MD |
1975 | { |
1976 | /* Dynamic typing. */ | |
1977 | switch (estack_ax_t) { | |
1978 | case REG_S64: | |
1979 | JUMP_TO(FILTER_OP_CAST_NOP); | |
1980 | case REG_DOUBLE: | |
1981 | JUMP_TO(FILTER_OP_CAST_DOUBLE_TO_S64); | |
3151a51d PP |
1982 | case REG_STRING: /* Fall-through */ |
1983 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1984 | ret = -EINVAL; |
1985 | goto end; | |
1986 | default: | |
1987 | ERR("Unknown filter register type (%d)", | |
1988 | (int) estack_ax_t); | |
1989 | ret = -EINVAL; | |
1990 | goto end; | |
1991 | } | |
1992 | } | |
97b58163 MD |
1993 | |
1994 | OP(FILTER_OP_CAST_DOUBLE_TO_S64): | |
1995 | { | |
9b33aac4 | 1996 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 1997 | estack_ax_t = REG_S64; |
97b58163 MD |
1998 | next_pc += sizeof(struct cast_op); |
1999 | PO; | |
2000 | } | |
2001 | ||
2002 | OP(FILTER_OP_CAST_NOP): | |
2003 | { | |
2004 | next_pc += sizeof(struct cast_op); | |
2005 | PO; | |
2006 | } | |
2007 | ||
77aa5901 | 2008 | /* get context ref */ |
53569322 MD |
2009 | OP(FILTER_OP_GET_CONTEXT_REF): |
2010 | { | |
2011 | struct load_op *insn = (struct load_op *) pc; | |
2012 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 MD |
2013 | struct lttng_ctx_field *ctx_field; |
2014 | struct lttng_ctx_value v; | |
2015 | ||
2016 | dbg_printf("get context ref offset %u type dynamic\n", | |
2017 | ref->offset); | |
53569322 MD |
2018 | ctx_field = &ctx->fields[ref->offset]; |
2019 | ctx_field->get_value(ctx_field, &v); | |
2020 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2021 | switch (v.sel) { | |
2022 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
2023 | ret = -EINVAL; | |
2024 | goto end; | |
2025 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
2026 | estack_ax_v = v.u.s64; | |
2027 | estack_ax_t = REG_S64; | |
2028 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
2029 | break; | |
2030 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
2031 | estack_ax(stack, top)->u.d = v.u.d; | |
2032 | estack_ax_t = REG_DOUBLE; | |
2033 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
2034 | break; | |
2035 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
2036 | estack_ax(stack, top)->u.s.str = v.u.str; | |
2037 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2038 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2039 | ret = -EINVAL; | |
2040 | goto end; | |
2041 | } | |
a63d0dc8 | 2042 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2043 | estack_ax(stack, top)->u.s.literal_type = |
2044 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 MD |
2045 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); |
2046 | estack_ax_t = REG_STRING; | |
2047 | break; | |
2048 | default: | |
2049 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
2050 | ret = -EINVAL; | |
2051 | goto end; | |
2052 | } | |
2053 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2054 | PO; | |
2055 | } | |
2056 | ||
77aa5901 MD |
2057 | OP(FILTER_OP_GET_CONTEXT_REF_STRING): |
2058 | { | |
2059 | struct load_op *insn = (struct load_op *) pc; | |
2060 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2061 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2062 | struct lttng_ctx_value v; |
77aa5901 MD |
2063 | |
2064 | dbg_printf("get context ref offset %u type string\n", | |
2065 | ref->offset); | |
53569322 | 2066 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2067 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2068 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2069 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 MD |
2070 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
2071 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2072 | ret = -EINVAL; | |
2073 | goto end; | |
2074 | } | |
a63d0dc8 | 2075 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2076 | estack_ax(stack, top)->u.s.literal_type = |
2077 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2078 | estack_ax_t = REG_STRING; |
77aa5901 MD |
2079 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
2080 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2081 | PO; | |
2082 | } | |
2083 | ||
2084 | OP(FILTER_OP_GET_CONTEXT_REF_S64): | |
2085 | { | |
2086 | struct load_op *insn = (struct load_op *) pc; | |
2087 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2088 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2089 | struct lttng_ctx_value v; |
77aa5901 MD |
2090 | |
2091 | dbg_printf("get context ref offset %u type s64\n", | |
2092 | ref->offset); | |
53569322 | 2093 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2094 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2095 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2096 | estack_ax_v = v.u.s64; | |
2097 | estack_ax_t = REG_S64; | |
77aa5901 MD |
2098 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
2099 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2100 | PO; | |
2101 | } | |
2102 | ||
2103 | OP(FILTER_OP_GET_CONTEXT_REF_DOUBLE): | |
2104 | { | |
2105 | struct load_op *insn = (struct load_op *) pc; | |
2106 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2107 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2108 | struct lttng_ctx_value v; |
77aa5901 MD |
2109 | |
2110 | dbg_printf("get context ref offset %u type double\n", | |
2111 | ref->offset); | |
53569322 | 2112 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2113 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2114 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2115 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
2116 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
2117 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
2118 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2119 | PO; | |
2120 | } | |
2121 | ||
47e5f13e MD |
2122 | OP(FILTER_OP_GET_CONTEXT_ROOT): |
2123 | { | |
2124 | dbg_printf("op get context root\n"); | |
2125 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2126 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_CONTEXT; | |
2127 | /* "field" only needed for variants. */ | |
2128 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2129 | estack_ax_t = REG_PTR; | |
2130 | next_pc += sizeof(struct load_op); | |
2131 | PO; | |
2132 | } | |
2133 | ||
2134 | OP(FILTER_OP_GET_APP_CONTEXT_ROOT): | |
2135 | { | |
2136 | dbg_printf("op get app context root\n"); | |
2137 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2138 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_APP_CONTEXT; | |
2139 | /* "field" only needed for variants. */ | |
2140 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2141 | estack_ax_t = REG_PTR; | |
2142 | next_pc += sizeof(struct load_op); | |
2143 | PO; | |
2144 | } | |
2145 | ||
2146 | OP(FILTER_OP_GET_PAYLOAD_ROOT): | |
2147 | { | |
2148 | dbg_printf("op get app payload root\n"); | |
2149 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2150 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_PAYLOAD; | |
2151 | estack_ax(stack, top)->u.ptr.ptr = filter_stack_data; | |
2152 | /* "field" only needed for variants. */ | |
2153 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2154 | estack_ax_t = REG_PTR; | |
2155 | next_pc += sizeof(struct load_op); | |
2156 | PO; | |
2157 | } | |
2158 | ||
2159 | OP(FILTER_OP_GET_SYMBOL): | |
2160 | { | |
2161 | dbg_printf("op get symbol\n"); | |
2162 | switch (estack_ax(stack, top)->u.ptr.type) { | |
2163 | case LOAD_OBJECT: | |
2164 | ERR("Nested fields not implemented yet."); | |
2165 | ret = -EINVAL; | |
2166 | goto end; | |
2167 | case LOAD_ROOT_CONTEXT: | |
2168 | case LOAD_ROOT_APP_CONTEXT: | |
2169 | case LOAD_ROOT_PAYLOAD: | |
2170 | /* | |
2171 | * symbol lookup is performed by | |
2172 | * specialization. | |
2173 | */ | |
2174 | ret = -EINVAL; | |
2175 | goto end; | |
2176 | } | |
2177 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
2178 | PO; | |
2179 | } | |
2180 | ||
2181 | OP(FILTER_OP_GET_SYMBOL_FIELD): | |
2182 | { | |
2183 | /* | |
2184 | * Used for first variant encountered in a | |
2185 | * traversal. Variants are not implemented yet. | |
2186 | */ | |
2187 | ret = -EINVAL; | |
2188 | goto end; | |
2189 | } | |
2190 | ||
2191 | OP(FILTER_OP_GET_INDEX_U16): | |
2192 | { | |
2193 | struct load_op *insn = (struct load_op *) pc; | |
2194 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
2195 | ||
2196 | dbg_printf("op get index u16\n"); | |
b77aaa1b | 2197 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2198 | if (ret) |
2199 | goto end; | |
2200 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2201 | estack_ax_t = estack_ax(stack, top)->type; | |
2202 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
2203 | PO; | |
2204 | } | |
2205 | ||
2206 | OP(FILTER_OP_GET_INDEX_U64): | |
2207 | { | |
2208 | struct load_op *insn = (struct load_op *) pc; | |
2209 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
2210 | ||
2211 | dbg_printf("op get index u64\n"); | |
b77aaa1b | 2212 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2213 | if (ret) |
2214 | goto end; | |
2215 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2216 | estack_ax_t = estack_ax(stack, top)->type; | |
2217 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
2218 | PO; | |
2219 | } | |
2220 | ||
2221 | OP(FILTER_OP_LOAD_FIELD): | |
2222 | { | |
2223 | dbg_printf("op load field\n"); | |
2224 | ret = dynamic_load_field(estack_ax(stack, top)); | |
2225 | if (ret) | |
2226 | goto end; | |
2227 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2228 | estack_ax_t = estack_ax(stack, top)->type; | |
2229 | next_pc += sizeof(struct load_op); | |
2230 | PO; | |
2231 | } | |
2232 | ||
2233 | OP(FILTER_OP_LOAD_FIELD_S8): | |
2234 | { | |
2235 | dbg_printf("op load field s8\n"); | |
2236 | ||
2237 | estack_ax_v = *(int8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2238 | estack_ax_t = REG_S64; | |
2239 | next_pc += sizeof(struct load_op); | |
2240 | PO; | |
2241 | } | |
2242 | OP(FILTER_OP_LOAD_FIELD_S16): | |
2243 | { | |
2244 | dbg_printf("op load field s16\n"); | |
2245 | ||
2246 | estack_ax_v = *(int16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2247 | estack_ax_t = REG_S64; | |
2248 | next_pc += sizeof(struct load_op); | |
2249 | PO; | |
2250 | } | |
2251 | OP(FILTER_OP_LOAD_FIELD_S32): | |
2252 | { | |
2253 | dbg_printf("op load field s32\n"); | |
2254 | ||
2255 | estack_ax_v = *(int32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2256 | estack_ax_t = REG_S64; | |
2257 | next_pc += sizeof(struct load_op); | |
2258 | PO; | |
2259 | } | |
2260 | OP(FILTER_OP_LOAD_FIELD_S64): | |
2261 | { | |
2262 | dbg_printf("op load field s64\n"); | |
2263 | ||
2264 | estack_ax_v = *(int64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2265 | estack_ax_t = REG_S64; | |
2266 | next_pc += sizeof(struct load_op); | |
2267 | PO; | |
2268 | } | |
2269 | OP(FILTER_OP_LOAD_FIELD_U8): | |
2270 | { | |
2271 | dbg_printf("op load field u8\n"); | |
2272 | ||
2273 | estack_ax_v = *(uint8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2274 | estack_ax_t = REG_S64; | |
2275 | next_pc += sizeof(struct load_op); | |
2276 | PO; | |
2277 | } | |
2278 | OP(FILTER_OP_LOAD_FIELD_U16): | |
2279 | { | |
2280 | dbg_printf("op load field u16\n"); | |
2281 | ||
2282 | estack_ax_v = *(uint16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2283 | estack_ax_t = REG_S64; | |
2284 | next_pc += sizeof(struct load_op); | |
2285 | PO; | |
2286 | } | |
2287 | OP(FILTER_OP_LOAD_FIELD_U32): | |
2288 | { | |
2289 | dbg_printf("op load field u32\n"); | |
2290 | ||
2291 | estack_ax_v = *(uint32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2292 | estack_ax_t = REG_S64; | |
2293 | next_pc += sizeof(struct load_op); | |
2294 | PO; | |
2295 | } | |
2296 | OP(FILTER_OP_LOAD_FIELD_U64): | |
2297 | { | |
2298 | dbg_printf("op load field u64\n"); | |
2299 | ||
2300 | estack_ax_v = *(uint64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2301 | estack_ax_t = REG_S64; | |
2302 | next_pc += sizeof(struct load_op); | |
2303 | PO; | |
2304 | } | |
2305 | OP(FILTER_OP_LOAD_FIELD_DOUBLE): | |
2306 | { | |
2307 | dbg_printf("op load field double\n"); | |
2308 | ||
2309 | memcpy(&estack_ax(stack, top)->u.d, | |
2310 | estack_ax(stack, top)->u.ptr.ptr, | |
2311 | sizeof(struct literal_double)); | |
2312 | estack_ax(stack, top)->type = REG_DOUBLE; | |
2313 | next_pc += sizeof(struct load_op); | |
2314 | PO; | |
2315 | } | |
2316 | ||
2317 | OP(FILTER_OP_LOAD_FIELD_STRING): | |
2318 | { | |
2319 | const char *str; | |
2320 | ||
2321 | dbg_printf("op load field string\n"); | |
2322 | str = (const char *) estack_ax(stack, top)->u.ptr.ptr; | |
2323 | estack_ax(stack, top)->u.s.str = str; | |
2324 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2325 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2326 | ret = -EINVAL; | |
2327 | goto end; | |
2328 | } | |
2329 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; | |
2330 | estack_ax(stack, top)->u.s.literal_type = | |
2331 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2332 | estack_ax(stack, top)->type = REG_STRING; | |
2333 | next_pc += sizeof(struct load_op); | |
2334 | PO; | |
2335 | } | |
2336 | ||
2337 | OP(FILTER_OP_LOAD_FIELD_SEQUENCE): | |
2338 | { | |
2339 | const char *ptr; | |
2340 | ||
2341 | dbg_printf("op load field string sequence\n"); | |
2342 | ptr = estack_ax(stack, top)->u.ptr.ptr; | |
2343 | estack_ax(stack, top)->u.s.seq_len = *(unsigned long *) ptr; | |
2344 | estack_ax(stack, top)->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
2345 | estack_ax(stack, top)->type = REG_STRING; | |
2346 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2347 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
2348 | ret = -EINVAL; | |
2349 | goto end; | |
2350 | } | |
2351 | estack_ax(stack, top)->u.s.literal_type = | |
2352 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2353 | next_pc += sizeof(struct load_op); | |
2354 | PO; | |
2355 | } | |
2356 | ||
97b58163 MD |
2357 | END_OP |
2358 | end: | |
4526ba69 | 2359 | /* Return _DISCARD on error. */ |
97b58163 | 2360 | if (ret) |
4526ba69 | 2361 | return LTTNG_FILTER_DISCARD; |
97b58163 MD |
2362 | return retval; |
2363 | } | |
2364 | ||
2365 | #undef START_OP | |
2366 | #undef OP | |
2367 | #undef PO | |
2368 | #undef END_OP |