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> |
f3503ba9 FD |
31 | #include <byteswap.h> |
32 | ||
3208818b | 33 | #include <lttng/ust-endian.h> |
f3503ba9 FD |
34 | #include <lttng/ust-events.h> |
35 | ||
97b58163 | 36 | #include "lttng-filter.h" |
3151a51d | 37 | #include "string-utils.h" |
97b58163 | 38 | |
f3503ba9 | 39 | |
97b58163 MD |
40 | /* |
41 | * -1: wildcard found. | |
42 | * -2: unknown escape char. | |
43 | * 0: normal char. | |
44 | */ | |
45 | ||
46 | static | |
47 | int parse_char(const char **p) | |
48 | { | |
49 | switch (**p) { | |
50 | case '\\': | |
51 | (*p)++; | |
52 | switch (**p) { | |
53 | case '\\': | |
54 | case '*': | |
55 | return 0; | |
56 | default: | |
57 | return -2; | |
58 | } | |
59 | case '*': | |
60 | return -1; | |
61 | default: | |
62 | return 0; | |
63 | } | |
64 | } | |
65 | ||
3151a51d | 66 | /* |
a63d0dc8 | 67 | * Returns SIZE_MAX if the string is null-terminated, or the number of |
3151a51d PP |
68 | * characters if not. |
69 | */ | |
70 | static | |
71 | size_t get_str_or_seq_len(const struct estack_entry *entry) | |
72 | { | |
a63d0dc8 | 73 | return entry->u.s.seq_len; |
3151a51d PP |
74 | } |
75 | ||
76 | static | |
77 | int stack_star_glob_match(struct estack *stack, int top, const char *cmp_type) | |
78 | { | |
79 | const char *pattern; | |
80 | const char *candidate; | |
81 | size_t pattern_len; | |
82 | size_t candidate_len; | |
83 | ||
84 | /* Find out which side is the pattern vs. the candidate. */ | |
85 | if (estack_ax(stack, top)->u.s.literal_type == ESTACK_STRING_LITERAL_TYPE_STAR_GLOB) { | |
86 | pattern = estack_ax(stack, top)->u.s.str; | |
87 | pattern_len = get_str_or_seq_len(estack_ax(stack, top)); | |
88 | candidate = estack_bx(stack, top)->u.s.str; | |
89 | candidate_len = get_str_or_seq_len(estack_bx(stack, top)); | |
90 | } else { | |
91 | pattern = estack_bx(stack, top)->u.s.str; | |
92 | pattern_len = get_str_or_seq_len(estack_bx(stack, top)); | |
93 | candidate = estack_ax(stack, top)->u.s.str; | |
94 | candidate_len = get_str_or_seq_len(estack_ax(stack, top)); | |
95 | } | |
96 | ||
97 | /* Perform the match. Returns 0 when the result is true. */ | |
98 | return !strutils_star_glob_match(pattern, pattern_len, candidate, | |
99 | candidate_len); | |
100 | } | |
101 | ||
97b58163 | 102 | static |
9b33aac4 | 103 | int stack_strcmp(struct estack *stack, int top, const char *cmp_type) |
97b58163 | 104 | { |
9b33aac4 | 105 | const char *p = estack_bx(stack, top)->u.s.str, *q = estack_ax(stack, top)->u.s.str; |
97b58163 MD |
106 | int ret; |
107 | int diff; | |
108 | ||
109 | for (;;) { | |
110 | int escaped_r0 = 0; | |
111 | ||
332335cd MD |
112 | if (unlikely(p - estack_bx(stack, top)->u.s.str >= estack_bx(stack, top)->u.s.seq_len || *p == '\0')) { |
113 | if (q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0') { | |
5cf8141d | 114 | return 0; |
a0928c1e | 115 | } else { |
3151a51d PP |
116 | if (estack_ax(stack, top)->u.s.literal_type == |
117 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
5cf8141d MD |
118 | ret = parse_char(&q); |
119 | if (ret == -1) | |
120 | return 0; | |
121 | } | |
122 | return -1; | |
a0928c1e | 123 | } |
97b58163 | 124 | } |
332335cd | 125 | if (unlikely(q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0')) { |
3151a51d PP |
126 | if (estack_bx(stack, top)->u.s.literal_type == |
127 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
3e6a0694 MD |
128 | ret = parse_char(&p); |
129 | if (ret == -1) | |
130 | return 0; | |
a0928c1e | 131 | } |
3e6a0694 | 132 | return 1; |
97b58163 | 133 | } |
3151a51d PP |
134 | if (estack_bx(stack, top)->u.s.literal_type == |
135 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
97b58163 MD |
136 | ret = parse_char(&p); |
137 | if (ret == -1) { | |
138 | return 0; | |
139 | } else if (ret == -2) { | |
140 | escaped_r0 = 1; | |
141 | } | |
142 | /* else compare both char */ | |
143 | } | |
3151a51d PP |
144 | if (estack_ax(stack, top)->u.s.literal_type == |
145 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
97b58163 MD |
146 | ret = parse_char(&q); |
147 | if (ret == -1) { | |
148 | return 0; | |
149 | } else if (ret == -2) { | |
150 | if (!escaped_r0) | |
151 | return -1; | |
152 | } else { | |
153 | if (escaped_r0) | |
154 | return 1; | |
155 | } | |
156 | } else { | |
157 | if (escaped_r0) | |
158 | return 1; | |
159 | } | |
160 | diff = *p - *q; | |
161 | if (diff != 0) | |
162 | break; | |
163 | p++; | |
164 | q++; | |
165 | } | |
166 | return diff; | |
167 | } | |
168 | ||
f3503ba9 | 169 | uint64_t lttng_filter_interpret_bytecode_false(void *filter_data, |
97b58163 MD |
170 | const char *filter_stack_data) |
171 | { | |
4526ba69 | 172 | return LTTNG_FILTER_DISCARD; |
97b58163 MD |
173 | } |
174 | ||
175 | #ifdef INTERPRETER_USE_SWITCH | |
176 | ||
177 | /* | |
178 | * Fallback for compilers that do not support taking address of labels. | |
179 | */ | |
180 | ||
181 | #define START_OP \ | |
182 | start_pc = &bytecode->data[0]; \ | |
183 | for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; \ | |
184 | pc = next_pc) { \ | |
185 | dbg_printf("Executing op %s (%u)\n", \ | |
186 | print_op((unsigned int) *(filter_opcode_t *) pc), \ | |
187 | (unsigned int) *(filter_opcode_t *) pc); \ | |
188 | switch (*(filter_opcode_t *) pc) { | |
189 | ||
53569322 MD |
190 | #define OP(name) jump_target_##name: __attribute__((unused)); \ |
191 | case name | |
97b58163 MD |
192 | |
193 | #define PO break | |
194 | ||
195 | #define END_OP } \ | |
196 | } | |
197 | ||
53569322 MD |
198 | #define JUMP_TO(name) \ |
199 | goto jump_target_##name | |
200 | ||
97b58163 MD |
201 | #else |
202 | ||
203 | /* | |
204 | * Dispatch-table based interpreter. | |
205 | */ | |
206 | ||
207 | #define START_OP \ | |
47e5f13e | 208 | start_pc = &bytecode->code[0]; \ |
97b58163 MD |
209 | pc = next_pc = start_pc; \ |
210 | if (unlikely(pc - start_pc >= bytecode->len)) \ | |
211 | goto end; \ | |
212 | goto *dispatch[*(filter_opcode_t *) pc]; | |
213 | ||
214 | #define OP(name) \ | |
215 | LABEL_##name | |
216 | ||
217 | #define PO \ | |
218 | pc = next_pc; \ | |
219 | goto *dispatch[*(filter_opcode_t *) pc]; | |
220 | ||
221 | #define END_OP | |
222 | ||
53569322 MD |
223 | #define JUMP_TO(name) \ |
224 | goto LABEL_##name | |
225 | ||
97b58163 MD |
226 | #endif |
227 | ||
d97f9b78 MD |
228 | #define IS_INTEGER_REGISTER(reg_type) \ |
229 | (reg_type == REG_U64 || reg_type == REG_S64) | |
230 | ||
47e5f13e MD |
231 | static int context_get_index(struct lttng_ctx *ctx, |
232 | struct load_ptr *ptr, | |
233 | uint32_t idx) | |
234 | { | |
235 | ||
236 | struct lttng_ctx_field *ctx_field; | |
237 | struct lttng_event_field *field; | |
238 | struct lttng_ctx_value v; | |
239 | ||
240 | ctx_field = &ctx->fields[idx]; | |
241 | field = &ctx_field->event_field; | |
242 | ptr->type = LOAD_OBJECT; | |
f3503ba9 | 243 | ptr->field = field; |
47e5f13e MD |
244 | |
245 | switch (field->type.atype) { | |
246 | case atype_integer: | |
247 | ctx_field->get_value(ctx_field, &v); | |
218deb69 | 248 | if (field->type.u.integer.signedness) { |
47e5f13e MD |
249 | ptr->object_type = OBJECT_TYPE_S64; |
250 | ptr->u.s64 = v.u.s64; | |
251 | ptr->ptr = &ptr->u.s64; | |
252 | } else { | |
253 | ptr->object_type = OBJECT_TYPE_U64; | |
254 | ptr->u.u64 = v.u.s64; /* Cast. */ | |
255 | ptr->ptr = &ptr->u.u64; | |
256 | } | |
257 | break; | |
218deb69 MD |
258 | case atype_enum: /* Fall-through */ |
259 | case atype_enum_nestable: | |
47e5f13e | 260 | { |
218deb69 | 261 | const struct lttng_integer_type *itype; |
47e5f13e | 262 | |
218deb69 MD |
263 | if (field->type.atype == atype_enum) { |
264 | itype = &field->type.u.legacy.basic.enumeration.container_type; | |
265 | } else { | |
266 | itype = &field->type.u.enum_nestable.container_type->u.integer; | |
267 | } | |
47e5f13e MD |
268 | ctx_field->get_value(ctx_field, &v); |
269 | if (itype->signedness) { | |
270 | ptr->object_type = OBJECT_TYPE_S64; | |
271 | ptr->u.s64 = v.u.s64; | |
272 | ptr->ptr = &ptr->u.s64; | |
273 | } else { | |
274 | ptr->object_type = OBJECT_TYPE_U64; | |
275 | ptr->u.u64 = v.u.s64; /* Cast. */ | |
276 | ptr->ptr = &ptr->u.u64; | |
277 | } | |
278 | break; | |
279 | } | |
280 | case atype_array: | |
218deb69 MD |
281 | if (field->type.u.legacy.array.elem_type.atype != atype_integer) { |
282 | ERR("Array nesting only supports integer types."); | |
283 | return -EINVAL; | |
284 | } | |
285 | if (field->type.u.legacy.array.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
286 | ERR("Only string arrays are supported for contexts."); | |
287 | return -EINVAL; | |
288 | } | |
289 | ptr->object_type = OBJECT_TYPE_STRING; | |
290 | ctx_field->get_value(ctx_field, &v); | |
291 | ptr->ptr = v.u.str; | |
292 | break; | |
293 | case atype_array_nestable: | |
294 | if (field->type.u.array_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
295 | ERR("Array nesting only supports integer types."); |
296 | return -EINVAL; | |
297 | } | |
218deb69 | 298 | if (field->type.u.array_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
299 | ERR("Only string arrays are supported for contexts."); |
300 | return -EINVAL; | |
301 | } | |
302 | ptr->object_type = OBJECT_TYPE_STRING; | |
303 | ctx_field->get_value(ctx_field, &v); | |
304 | ptr->ptr = v.u.str; | |
305 | break; | |
306 | case atype_sequence: | |
218deb69 MD |
307 | if (field->type.u.legacy.sequence.elem_type.atype != atype_integer) { |
308 | ERR("Sequence nesting only supports integer types."); | |
309 | return -EINVAL; | |
310 | } | |
311 | if (field->type.u.legacy.sequence.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
312 | ERR("Only string sequences are supported for contexts."); | |
313 | return -EINVAL; | |
314 | } | |
315 | ptr->object_type = OBJECT_TYPE_STRING; | |
316 | ctx_field->get_value(ctx_field, &v); | |
317 | ptr->ptr = v.u.str; | |
318 | break; | |
319 | case atype_sequence_nestable: | |
320 | if (field->type.u.sequence_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
321 | ERR("Sequence nesting only supports integer types."); |
322 | return -EINVAL; | |
323 | } | |
218deb69 | 324 | if (field->type.u.sequence_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
325 | ERR("Only string sequences are supported for contexts."); |
326 | return -EINVAL; | |
327 | } | |
328 | ptr->object_type = OBJECT_TYPE_STRING; | |
329 | ctx_field->get_value(ctx_field, &v); | |
330 | ptr->ptr = v.u.str; | |
331 | break; | |
332 | case atype_string: | |
333 | ptr->object_type = OBJECT_TYPE_STRING; | |
334 | ctx_field->get_value(ctx_field, &v); | |
335 | ptr->ptr = v.u.str; | |
336 | break; | |
337 | case atype_float: | |
338 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
0245c698 | 339 | ctx_field->get_value(ctx_field, &v); |
47e5f13e MD |
340 | ptr->u.d = v.u.d; |
341 | ptr->ptr = &ptr->u.d; | |
342 | break; | |
343 | case atype_dynamic: | |
344 | ctx_field->get_value(ctx_field, &v); | |
345 | switch (v.sel) { | |
346 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
347 | return -EINVAL; | |
348 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
349 | ptr->object_type = OBJECT_TYPE_S64; | |
350 | ptr->u.s64 = v.u.s64; | |
351 | ptr->ptr = &ptr->u.s64; | |
352 | dbg_printf("context get index dynamic s64 %" PRIi64 "\n", ptr->u.s64); | |
353 | break; | |
354 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
355 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
356 | ptr->u.d = v.u.d; | |
357 | ptr->ptr = &ptr->u.d; | |
358 | dbg_printf("context get index dynamic double %g\n", ptr->u.d); | |
359 | break; | |
360 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
361 | ptr->object_type = OBJECT_TYPE_STRING; | |
362 | ptr->ptr = v.u.str; | |
363 | dbg_printf("context get index dynamic string %s\n", (const char *) ptr->ptr); | |
364 | break; | |
365 | default: | |
366 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
367 | return -EINVAL; | |
368 | } | |
369 | break; | |
370 | case atype_struct: | |
371 | ERR("Structure type cannot be loaded."); | |
372 | return -EINVAL; | |
373 | default: | |
374 | ERR("Unknown type: %d", (int) field->type.atype); | |
375 | return -EINVAL; | |
376 | } | |
377 | return 0; | |
378 | } | |
379 | ||
b77aaa1b | 380 | static int dynamic_get_index(struct lttng_ctx *ctx, |
47e5f13e MD |
381 | struct bytecode_runtime *runtime, |
382 | uint64_t index, struct estack_entry *stack_top) | |
383 | { | |
384 | int ret; | |
385 | const struct filter_get_index_data *gid; | |
386 | ||
47e5f13e MD |
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; | |
f3503ba9 FD |
402 | assert(stack_top->u.ptr.field->type.atype == atype_array || |
403 | stack_top->u.ptr.field->type.atype == atype_array_nestable); | |
47e5f13e MD |
404 | stack_top->u.ptr.field = NULL; |
405 | break; | |
406 | } | |
407 | case OBJECT_TYPE_SEQUENCE: | |
408 | { | |
409 | const char *ptr; | |
410 | size_t ptr_seq_len; | |
411 | ||
412 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
413 | ptr_seq_len = *(unsigned long *) stack_top->u.ptr.ptr; | |
414 | if (gid->offset >= gid->elem.len * ptr_seq_len) { | |
415 | ret = -EINVAL; | |
416 | goto end; | |
417 | } | |
418 | ptr = ptr + gid->offset; | |
419 | stack_top->u.ptr.ptr = ptr; | |
420 | stack_top->u.ptr.object_type = gid->elem.type; | |
421 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
f3503ba9 FD |
422 | assert(stack_top->u.ptr.field->type.atype == atype_sequence || |
423 | stack_top->u.ptr.field->type.atype == atype_sequence_nestable); | |
47e5f13e MD |
424 | stack_top->u.ptr.field = NULL; |
425 | break; | |
426 | } | |
427 | case OBJECT_TYPE_STRUCT: | |
428 | ERR("Nested structures are not supported yet."); | |
429 | ret = -EINVAL; | |
430 | goto end; | |
431 | case OBJECT_TYPE_VARIANT: | |
432 | default: | |
433 | ERR("Unexpected get index type %d", | |
434 | (int) stack_top->u.ptr.object_type); | |
435 | ret = -EINVAL; | |
436 | goto end; | |
437 | } | |
438 | break; | |
439 | case LOAD_ROOT_CONTEXT: | |
440 | case LOAD_ROOT_APP_CONTEXT: /* Fall-through */ | |
441 | { | |
47e5f13e MD |
442 | ret = context_get_index(ctx, |
443 | &stack_top->u.ptr, | |
444 | gid->ctx_index); | |
445 | if (ret) { | |
446 | goto end; | |
447 | } | |
448 | break; | |
449 | } | |
450 | case LOAD_ROOT_PAYLOAD: | |
451 | stack_top->u.ptr.ptr += gid->offset; | |
452 | if (gid->elem.type == OBJECT_TYPE_STRING) | |
453 | stack_top->u.ptr.ptr = *(const char * const *) stack_top->u.ptr.ptr; | |
454 | stack_top->u.ptr.object_type = gid->elem.type; | |
455 | stack_top->u.ptr.type = LOAD_OBJECT; | |
f3503ba9 | 456 | stack_top->u.ptr.field = gid->field; |
47e5f13e MD |
457 | break; |
458 | } | |
459 | return 0; | |
460 | ||
461 | end: | |
462 | return ret; | |
463 | } | |
464 | ||
465 | static int dynamic_load_field(struct estack_entry *stack_top) | |
466 | { | |
467 | int ret; | |
468 | ||
469 | switch (stack_top->u.ptr.type) { | |
470 | case LOAD_OBJECT: | |
471 | break; | |
472 | case LOAD_ROOT_CONTEXT: | |
473 | case LOAD_ROOT_APP_CONTEXT: | |
474 | case LOAD_ROOT_PAYLOAD: | |
475 | default: | |
476 | dbg_printf("Filter warning: cannot load root, missing field name.\n"); | |
477 | ret = -EINVAL; | |
478 | goto end; | |
479 | } | |
480 | switch (stack_top->u.ptr.object_type) { | |
481 | case OBJECT_TYPE_S8: | |
482 | dbg_printf("op load field s8\n"); | |
483 | stack_top->u.v = *(int8_t *) stack_top->u.ptr.ptr; | |
484 | stack_top->type = REG_S64; | |
485 | break; | |
486 | case OBJECT_TYPE_S16: | |
487 | { | |
488 | int16_t tmp; | |
489 | ||
490 | dbg_printf("op load field s16\n"); | |
491 | tmp = *(int16_t *) stack_top->u.ptr.ptr; | |
492 | if (stack_top->u.ptr.rev_bo) | |
493 | tmp = bswap_16(tmp); | |
494 | stack_top->u.v = tmp; | |
495 | stack_top->type = REG_S64; | |
496 | break; | |
497 | } | |
498 | case OBJECT_TYPE_S32: | |
499 | { | |
500 | int32_t tmp; | |
501 | ||
502 | dbg_printf("op load field s32\n"); | |
503 | tmp = *(int32_t *) stack_top->u.ptr.ptr; | |
504 | if (stack_top->u.ptr.rev_bo) | |
505 | tmp = bswap_32(tmp); | |
506 | stack_top->u.v = tmp; | |
507 | stack_top->type = REG_S64; | |
508 | break; | |
509 | } | |
510 | case OBJECT_TYPE_S64: | |
511 | { | |
512 | int64_t tmp; | |
513 | ||
514 | dbg_printf("op load field s64\n"); | |
515 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
516 | if (stack_top->u.ptr.rev_bo) | |
517 | tmp = bswap_64(tmp); | |
518 | stack_top->u.v = tmp; | |
519 | stack_top->type = REG_S64; | |
520 | break; | |
521 | } | |
522 | case OBJECT_TYPE_U8: | |
523 | dbg_printf("op load field u8\n"); | |
524 | stack_top->u.v = *(uint8_t *) stack_top->u.ptr.ptr; | |
d97f9b78 | 525 | stack_top->type = REG_U64; |
47e5f13e MD |
526 | break; |
527 | case OBJECT_TYPE_U16: | |
528 | { | |
529 | uint16_t tmp; | |
530 | ||
055d27d7 | 531 | dbg_printf("op load field u16\n"); |
47e5f13e MD |
532 | tmp = *(uint16_t *) stack_top->u.ptr.ptr; |
533 | if (stack_top->u.ptr.rev_bo) | |
534 | tmp = bswap_16(tmp); | |
535 | stack_top->u.v = tmp; | |
d97f9b78 | 536 | stack_top->type = REG_U64; |
47e5f13e MD |
537 | break; |
538 | } | |
539 | case OBJECT_TYPE_U32: | |
540 | { | |
541 | uint32_t tmp; | |
542 | ||
543 | dbg_printf("op load field u32\n"); | |
544 | tmp = *(uint32_t *) stack_top->u.ptr.ptr; | |
545 | if (stack_top->u.ptr.rev_bo) | |
546 | tmp = bswap_32(tmp); | |
547 | stack_top->u.v = tmp; | |
d97f9b78 | 548 | stack_top->type = REG_U64; |
47e5f13e MD |
549 | break; |
550 | } | |
551 | case OBJECT_TYPE_U64: | |
552 | { | |
553 | uint64_t tmp; | |
554 | ||
555 | dbg_printf("op load field u64\n"); | |
556 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
557 | if (stack_top->u.ptr.rev_bo) | |
558 | tmp = bswap_64(tmp); | |
559 | stack_top->u.v = tmp; | |
d97f9b78 | 560 | stack_top->type = REG_U64; |
47e5f13e MD |
561 | break; |
562 | } | |
563 | case OBJECT_TYPE_DOUBLE: | |
564 | memcpy(&stack_top->u.d, | |
565 | stack_top->u.ptr.ptr, | |
566 | sizeof(struct literal_double)); | |
567 | stack_top->type = REG_DOUBLE; | |
568 | break; | |
569 | case OBJECT_TYPE_STRING: | |
570 | { | |
571 | const char *str; | |
572 | ||
573 | dbg_printf("op load field string\n"); | |
574 | str = (const char *) stack_top->u.ptr.ptr; | |
575 | stack_top->u.s.str = str; | |
576 | if (unlikely(!stack_top->u.s.str)) { | |
577 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
578 | ret = -EINVAL; | |
579 | goto end; | |
580 | } | |
581 | stack_top->u.s.seq_len = SIZE_MAX; | |
582 | stack_top->u.s.literal_type = | |
583 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
584 | stack_top->type = REG_STRING; | |
585 | break; | |
586 | } | |
587 | case OBJECT_TYPE_STRING_SEQUENCE: | |
588 | { | |
589 | const char *ptr; | |
590 | ||
591 | dbg_printf("op load field string sequence\n"); | |
592 | ptr = stack_top->u.ptr.ptr; | |
593 | stack_top->u.s.seq_len = *(unsigned long *) ptr; | |
594 | stack_top->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
595 | stack_top->type = REG_STRING; | |
596 | if (unlikely(!stack_top->u.s.str)) { | |
597 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
598 | ret = -EINVAL; | |
599 | goto end; | |
600 | } | |
601 | stack_top->u.s.literal_type = | |
602 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
603 | break; | |
604 | } | |
605 | case OBJECT_TYPE_DYNAMIC: | |
606 | /* | |
607 | * Dynamic types in context are looked up | |
608 | * by context get index. | |
609 | */ | |
610 | ret = -EINVAL; | |
611 | goto end; | |
612 | case OBJECT_TYPE_SEQUENCE: | |
613 | case OBJECT_TYPE_ARRAY: | |
614 | case OBJECT_TYPE_STRUCT: | |
615 | case OBJECT_TYPE_VARIANT: | |
616 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
617 | ret = -EINVAL; | |
618 | goto end; | |
619 | } | |
620 | return 0; | |
621 | ||
622 | end: | |
623 | return ret; | |
624 | } | |
625 | ||
f3503ba9 FD |
626 | static |
627 | int lttng_bytecode_interpret_format_output(struct estack_entry *ax, | |
628 | struct lttng_interpreter_output *output) | |
629 | { | |
630 | int ret; | |
631 | ||
632 | again: | |
633 | switch (ax->type) { | |
634 | case REG_S64: | |
635 | output->type = LTTNG_INTERPRETER_TYPE_S64; | |
636 | output->u.s = ax->u.v; | |
637 | break; | |
638 | case REG_U64: | |
639 | output->type = LTTNG_INTERPRETER_TYPE_U64; | |
640 | output->u.u = (uint64_t) ax->u.v; | |
641 | break; | |
642 | case REG_DOUBLE: | |
643 | output->type = LTTNG_INTERPRETER_TYPE_DOUBLE; | |
644 | output->u.d = ax->u.d; | |
645 | break; | |
646 | case REG_STRING: | |
647 | output->type = LTTNG_INTERPRETER_TYPE_STRING; | |
648 | output->u.str.str = ax->u.s.str; | |
649 | output->u.str.len = ax->u.s.seq_len; | |
650 | break; | |
651 | case REG_PTR: | |
652 | switch (ax->u.ptr.object_type) { | |
653 | case OBJECT_TYPE_S8: | |
654 | case OBJECT_TYPE_S16: | |
655 | case OBJECT_TYPE_S32: | |
656 | case OBJECT_TYPE_S64: | |
657 | case OBJECT_TYPE_U8: | |
658 | case OBJECT_TYPE_U16: | |
659 | case OBJECT_TYPE_U32: | |
660 | case OBJECT_TYPE_U64: | |
661 | case OBJECT_TYPE_DOUBLE: | |
662 | case OBJECT_TYPE_STRING: | |
663 | case OBJECT_TYPE_STRING_SEQUENCE: | |
664 | ret = dynamic_load_field(ax); | |
665 | if (ret) | |
666 | return ret; | |
667 | /* Retry after loading ptr into stack top. */ | |
668 | goto again; | |
669 | case OBJECT_TYPE_SEQUENCE: | |
670 | output->type = LTTNG_INTERPRETER_TYPE_SEQUENCE; | |
671 | output->u.sequence.ptr = *(const char **) (ax->u.ptr.ptr + sizeof(unsigned long)); | |
672 | output->u.sequence.nr_elem = *(unsigned long *) ax->u.ptr.ptr; | |
673 | output->u.sequence.nested_type = ax->u.ptr.field->type.u.sequence_nestable.elem_type; | |
674 | break; | |
675 | case OBJECT_TYPE_ARRAY: | |
676 | /* Skip count (unsigned long) */ | |
677 | output->type = LTTNG_INTERPRETER_TYPE_SEQUENCE; | |
678 | output->u.sequence.ptr = *(const char **) (ax->u.ptr.ptr + sizeof(unsigned long)); | |
679 | output->u.sequence.nr_elem = ax->u.ptr.field->type.u.array_nestable.length; | |
680 | output->u.sequence.nested_type = ax->u.ptr.field->type.u.array_nestable.elem_type; | |
681 | break; | |
682 | case OBJECT_TYPE_STRUCT: | |
683 | case OBJECT_TYPE_VARIANT: | |
684 | default: | |
685 | return -EINVAL; | |
686 | } | |
687 | ||
688 | break; | |
689 | case REG_STAR_GLOB_STRING: | |
690 | case REG_UNKNOWN: | |
691 | default: | |
692 | return -EINVAL; | |
693 | } | |
694 | ||
695 | return LTTNG_FILTER_RECORD_FLAG; | |
696 | } | |
697 | ||
8a92ed2a MD |
698 | /* |
699 | * Return 0 (discard), or raise the 0x1 flag (log event). | |
700 | * Currently, other flags are kept for future extensions and have no | |
701 | * effect. | |
702 | */ | |
f3503ba9 FD |
703 | static |
704 | uint64_t bytecode_interpret(void *interpreter_data, | |
705 | const char *interpreter_stack_data, | |
706 | struct lttng_interpreter_output *output) | |
97b58163 | 707 | { |
f3503ba9 | 708 | struct bytecode_runtime *bytecode = interpreter_data; |
b77aaa1b | 709 | struct lttng_ctx *ctx = rcu_dereference(*bytecode->p.pctx); |
97b58163 MD |
710 | void *pc, *next_pc, *start_pc; |
711 | int ret = -EINVAL; | |
8b82df15 | 712 | uint64_t retval = 0; |
0305960f MD |
713 | struct estack _stack; |
714 | struct estack *stack = &_stack; | |
9b33aac4 | 715 | register int64_t ax = 0, bx = 0; |
53569322 | 716 | register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; |
9b33aac4 | 717 | register int top = FILTER_STACK_EMPTY; |
97b58163 MD |
718 | #ifndef INTERPRETER_USE_SWITCH |
719 | static void *dispatch[NR_FILTER_OPS] = { | |
720 | [ FILTER_OP_UNKNOWN ] = &&LABEL_FILTER_OP_UNKNOWN, | |
721 | ||
722 | [ FILTER_OP_RETURN ] = &&LABEL_FILTER_OP_RETURN, | |
723 | ||
724 | /* binary */ | |
725 | [ FILTER_OP_MUL ] = &&LABEL_FILTER_OP_MUL, | |
726 | [ FILTER_OP_DIV ] = &&LABEL_FILTER_OP_DIV, | |
727 | [ FILTER_OP_MOD ] = &&LABEL_FILTER_OP_MOD, | |
728 | [ FILTER_OP_PLUS ] = &&LABEL_FILTER_OP_PLUS, | |
729 | [ FILTER_OP_MINUS ] = &&LABEL_FILTER_OP_MINUS, | |
0039e2d8 MD |
730 | [ FILTER_OP_BIT_RSHIFT ] = &&LABEL_FILTER_OP_BIT_RSHIFT, |
731 | [ FILTER_OP_BIT_LSHIFT ] = &&LABEL_FILTER_OP_BIT_LSHIFT, | |
47e5f13e MD |
732 | [ FILTER_OP_BIT_AND ] = &&LABEL_FILTER_OP_BIT_AND, |
733 | [ FILTER_OP_BIT_OR ] = &&LABEL_FILTER_OP_BIT_OR, | |
734 | [ FILTER_OP_BIT_XOR ] = &&LABEL_FILTER_OP_BIT_XOR, | |
97b58163 MD |
735 | |
736 | /* binary comparators */ | |
737 | [ FILTER_OP_EQ ] = &&LABEL_FILTER_OP_EQ, | |
738 | [ FILTER_OP_NE ] = &&LABEL_FILTER_OP_NE, | |
739 | [ FILTER_OP_GT ] = &&LABEL_FILTER_OP_GT, | |
740 | [ FILTER_OP_LT ] = &&LABEL_FILTER_OP_LT, | |
741 | [ FILTER_OP_GE ] = &&LABEL_FILTER_OP_GE, | |
742 | [ FILTER_OP_LE ] = &&LABEL_FILTER_OP_LE, | |
743 | ||
744 | /* string binary comparator */ | |
745 | [ FILTER_OP_EQ_STRING ] = &&LABEL_FILTER_OP_EQ_STRING, | |
746 | [ FILTER_OP_NE_STRING ] = &&LABEL_FILTER_OP_NE_STRING, | |
747 | [ FILTER_OP_GT_STRING ] = &&LABEL_FILTER_OP_GT_STRING, | |
748 | [ FILTER_OP_LT_STRING ] = &&LABEL_FILTER_OP_LT_STRING, | |
749 | [ FILTER_OP_GE_STRING ] = &&LABEL_FILTER_OP_GE_STRING, | |
750 | [ FILTER_OP_LE_STRING ] = &&LABEL_FILTER_OP_LE_STRING, | |
751 | ||
3151a51d PP |
752 | /* globbing pattern binary comparator */ |
753 | [ FILTER_OP_EQ_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_EQ_STAR_GLOB_STRING, | |
754 | [ FILTER_OP_NE_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_NE_STAR_GLOB_STRING, | |
755 | ||
97b58163 MD |
756 | /* s64 binary comparator */ |
757 | [ FILTER_OP_EQ_S64 ] = &&LABEL_FILTER_OP_EQ_S64, | |
758 | [ FILTER_OP_NE_S64 ] = &&LABEL_FILTER_OP_NE_S64, | |
759 | [ FILTER_OP_GT_S64 ] = &&LABEL_FILTER_OP_GT_S64, | |
760 | [ FILTER_OP_LT_S64 ] = &&LABEL_FILTER_OP_LT_S64, | |
761 | [ FILTER_OP_GE_S64 ] = &&LABEL_FILTER_OP_GE_S64, | |
762 | [ FILTER_OP_LE_S64 ] = &&LABEL_FILTER_OP_LE_S64, | |
763 | ||
764 | /* double binary comparator */ | |
765 | [ FILTER_OP_EQ_DOUBLE ] = &&LABEL_FILTER_OP_EQ_DOUBLE, | |
766 | [ FILTER_OP_NE_DOUBLE ] = &&LABEL_FILTER_OP_NE_DOUBLE, | |
767 | [ FILTER_OP_GT_DOUBLE ] = &&LABEL_FILTER_OP_GT_DOUBLE, | |
768 | [ FILTER_OP_LT_DOUBLE ] = &&LABEL_FILTER_OP_LT_DOUBLE, | |
769 | [ FILTER_OP_GE_DOUBLE ] = &&LABEL_FILTER_OP_GE_DOUBLE, | |
770 | [ FILTER_OP_LE_DOUBLE ] = &&LABEL_FILTER_OP_LE_DOUBLE, | |
771 | ||
dbea82ec MD |
772 | /* Mixed S64-double binary comparators */ |
773 | [ FILTER_OP_EQ_DOUBLE_S64 ] = &&LABEL_FILTER_OP_EQ_DOUBLE_S64, | |
774 | [ FILTER_OP_NE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_NE_DOUBLE_S64, | |
775 | [ FILTER_OP_GT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GT_DOUBLE_S64, | |
776 | [ FILTER_OP_LT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LT_DOUBLE_S64, | |
777 | [ FILTER_OP_GE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GE_DOUBLE_S64, | |
778 | [ FILTER_OP_LE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LE_DOUBLE_S64, | |
779 | ||
780 | [ FILTER_OP_EQ_S64_DOUBLE ] = &&LABEL_FILTER_OP_EQ_S64_DOUBLE, | |
781 | [ FILTER_OP_NE_S64_DOUBLE ] = &&LABEL_FILTER_OP_NE_S64_DOUBLE, | |
782 | [ FILTER_OP_GT_S64_DOUBLE ] = &&LABEL_FILTER_OP_GT_S64_DOUBLE, | |
783 | [ FILTER_OP_LT_S64_DOUBLE ] = &&LABEL_FILTER_OP_LT_S64_DOUBLE, | |
784 | [ FILTER_OP_GE_S64_DOUBLE ] = &&LABEL_FILTER_OP_GE_S64_DOUBLE, | |
785 | [ FILTER_OP_LE_S64_DOUBLE ] = &&LABEL_FILTER_OP_LE_S64_DOUBLE, | |
786 | ||
97b58163 MD |
787 | /* unary */ |
788 | [ FILTER_OP_UNARY_PLUS ] = &&LABEL_FILTER_OP_UNARY_PLUS, | |
789 | [ FILTER_OP_UNARY_MINUS ] = &&LABEL_FILTER_OP_UNARY_MINUS, | |
790 | [ FILTER_OP_UNARY_NOT ] = &&LABEL_FILTER_OP_UNARY_NOT, | |
791 | [ FILTER_OP_UNARY_PLUS_S64 ] = &&LABEL_FILTER_OP_UNARY_PLUS_S64, | |
792 | [ FILTER_OP_UNARY_MINUS_S64 ] = &&LABEL_FILTER_OP_UNARY_MINUS_S64, | |
793 | [ FILTER_OP_UNARY_NOT_S64 ] = &&LABEL_FILTER_OP_UNARY_NOT_S64, | |
794 | [ FILTER_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_PLUS_DOUBLE, | |
795 | [ FILTER_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_MINUS_DOUBLE, | |
796 | [ FILTER_OP_UNARY_NOT_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_NOT_DOUBLE, | |
797 | ||
798 | /* logical */ | |
799 | [ FILTER_OP_AND ] = &&LABEL_FILTER_OP_AND, | |
800 | [ FILTER_OP_OR ] = &&LABEL_FILTER_OP_OR, | |
801 | ||
77aa5901 | 802 | /* load field ref */ |
97b58163 MD |
803 | [ FILTER_OP_LOAD_FIELD_REF ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF, |
804 | [ FILTER_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_STRING, | |
805 | [ FILTER_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_SEQUENCE, | |
806 | [ FILTER_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_S64, | |
807 | [ FILTER_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_DOUBLE, | |
808 | ||
77aa5901 | 809 | /* load from immediate operand */ |
97b58163 | 810 | [ FILTER_OP_LOAD_STRING ] = &&LABEL_FILTER_OP_LOAD_STRING, |
3151a51d | 811 | [ FILTER_OP_LOAD_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_LOAD_STAR_GLOB_STRING, |
97b58163 MD |
812 | [ FILTER_OP_LOAD_S64 ] = &&LABEL_FILTER_OP_LOAD_S64, |
813 | [ FILTER_OP_LOAD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_DOUBLE, | |
814 | ||
815 | /* cast */ | |
816 | [ FILTER_OP_CAST_TO_S64 ] = &&LABEL_FILTER_OP_CAST_TO_S64, | |
817 | [ FILTER_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_FILTER_OP_CAST_DOUBLE_TO_S64, | |
818 | [ FILTER_OP_CAST_NOP ] = &&LABEL_FILTER_OP_CAST_NOP, | |
77aa5901 MD |
819 | |
820 | /* get context ref */ | |
821 | [ FILTER_OP_GET_CONTEXT_REF ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF, | |
822 | [ FILTER_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_STRING, | |
823 | [ FILTER_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_S64, | |
824 | [ FILTER_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_DOUBLE, | |
47e5f13e MD |
825 | |
826 | /* Instructions for recursive traversal through composed types. */ | |
827 | [ FILTER_OP_GET_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_CONTEXT_ROOT, | |
828 | [ FILTER_OP_GET_APP_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_APP_CONTEXT_ROOT, | |
829 | [ FILTER_OP_GET_PAYLOAD_ROOT ] = &&LABEL_FILTER_OP_GET_PAYLOAD_ROOT, | |
830 | ||
831 | [ FILTER_OP_GET_SYMBOL ] = &&LABEL_FILTER_OP_GET_SYMBOL, | |
832 | [ FILTER_OP_GET_SYMBOL_FIELD ] = &&LABEL_FILTER_OP_GET_SYMBOL_FIELD, | |
833 | [ FILTER_OP_GET_INDEX_U16 ] = &&LABEL_FILTER_OP_GET_INDEX_U16, | |
834 | [ FILTER_OP_GET_INDEX_U64 ] = &&LABEL_FILTER_OP_GET_INDEX_U64, | |
835 | ||
836 | [ FILTER_OP_LOAD_FIELD ] = &&LABEL_FILTER_OP_LOAD_FIELD, | |
837 | [ FILTER_OP_LOAD_FIELD_S8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S8, | |
838 | [ FILTER_OP_LOAD_FIELD_S16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S16, | |
839 | [ FILTER_OP_LOAD_FIELD_S32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S32, | |
840 | [ FILTER_OP_LOAD_FIELD_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S64, | |
841 | [ FILTER_OP_LOAD_FIELD_U8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U8, | |
842 | [ FILTER_OP_LOAD_FIELD_U16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U16, | |
843 | [ FILTER_OP_LOAD_FIELD_U32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U32, | |
844 | [ FILTER_OP_LOAD_FIELD_U64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U64, | |
845 | [ FILTER_OP_LOAD_FIELD_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_STRING, | |
846 | [ FILTER_OP_LOAD_FIELD_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_SEQUENCE, | |
847 | [ FILTER_OP_LOAD_FIELD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_DOUBLE, | |
0039e2d8 MD |
848 | |
849 | [ FILTER_OP_UNARY_BIT_NOT ] = &&LABEL_FILTER_OP_UNARY_BIT_NOT, | |
93c591bb MD |
850 | |
851 | [ FILTER_OP_RETURN_S64 ] = &&LABEL_FILTER_OP_RETURN_S64, | |
97b58163 MD |
852 | }; |
853 | #endif /* #ifndef INTERPRETER_USE_SWITCH */ | |
854 | ||
855 | START_OP | |
856 | ||
857 | OP(FILTER_OP_UNKNOWN): | |
858 | OP(FILTER_OP_LOAD_FIELD_REF): | |
859 | #ifdef INTERPRETER_USE_SWITCH | |
860 | default: | |
861 | #endif /* INTERPRETER_USE_SWITCH */ | |
47e5f13e | 862 | ERR("unknown bytecode op %u", |
97b58163 MD |
863 | (unsigned int) *(filter_opcode_t *) pc); |
864 | ret = -EINVAL; | |
865 | goto end; | |
866 | ||
867 | OP(FILTER_OP_RETURN): | |
4526ba69 | 868 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
47e5f13e MD |
869 | /* Handle dynamic typing. */ |
870 | switch (estack_ax_t) { | |
871 | case REG_S64: | |
d97f9b78 | 872 | case REG_U64: |
47e5f13e MD |
873 | retval = !!estack_ax_v; |
874 | break; | |
875 | case REG_DOUBLE: | |
876 | case REG_STRING: | |
f3503ba9 FD |
877 | case REG_PTR: |
878 | if (!output) { | |
879 | ret = -EINVAL; | |
880 | goto end; | |
881 | } | |
882 | retval = 0; | |
883 | break; | |
47e5f13e | 884 | case REG_STAR_GLOB_STRING: |
f3503ba9 | 885 | case REG_UNKNOWN: |
47e5f13e MD |
886 | default: |
887 | ret = -EINVAL; | |
888 | goto end; | |
889 | } | |
97b58163 MD |
890 | ret = 0; |
891 | goto end; | |
892 | ||
93c591bb | 893 | OP(FILTER_OP_RETURN_S64): |
4526ba69 | 894 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
93c591bb MD |
895 | retval = !!estack_ax_v; |
896 | ret = 0; | |
897 | goto end; | |
898 | ||
97b58163 MD |
899 | /* binary */ |
900 | OP(FILTER_OP_MUL): | |
901 | OP(FILTER_OP_DIV): | |
902 | OP(FILTER_OP_MOD): | |
903 | OP(FILTER_OP_PLUS): | |
904 | OP(FILTER_OP_MINUS): | |
47e5f13e | 905 | ERR("unsupported bytecode op %u", |
97b58163 MD |
906 | (unsigned int) *(filter_opcode_t *) pc); |
907 | ret = -EINVAL; | |
908 | goto end; | |
909 | ||
910 | OP(FILTER_OP_EQ): | |
53569322 MD |
911 | { |
912 | /* Dynamic typing. */ | |
913 | switch (estack_ax_t) { | |
d97f9b78 MD |
914 | case REG_S64: /* Fall-through */ |
915 | case REG_U64: | |
53569322 | 916 | switch (estack_bx_t) { |
d97f9b78 MD |
917 | case REG_S64: /* Fall-through */ |
918 | case REG_U64: | |
53569322 MD |
919 | JUMP_TO(FILTER_OP_EQ_S64); |
920 | case REG_DOUBLE: | |
921 | JUMP_TO(FILTER_OP_EQ_DOUBLE_S64); | |
3151a51d PP |
922 | case REG_STRING: /* Fall-through */ |
923 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
924 | ret = -EINVAL; |
925 | goto end; | |
926 | default: | |
927 | ERR("Unknown filter register type (%d)", | |
928 | (int) estack_bx_t); | |
929 | ret = -EINVAL; | |
930 | goto end; | |
931 | } | |
932 | break; | |
933 | case REG_DOUBLE: | |
934 | switch (estack_bx_t) { | |
d97f9b78 MD |
935 | case REG_S64: /* Fall-through */ |
936 | case REG_U64: | |
53569322 MD |
937 | JUMP_TO(FILTER_OP_EQ_S64_DOUBLE); |
938 | case REG_DOUBLE: | |
939 | JUMP_TO(FILTER_OP_EQ_DOUBLE); | |
3151a51d PP |
940 | case REG_STRING: /* Fall-through */ |
941 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
942 | ret = -EINVAL; |
943 | goto end; | |
944 | default: | |
945 | ERR("Unknown filter register type (%d)", | |
946 | (int) estack_bx_t); | |
947 | ret = -EINVAL; | |
948 | goto end; | |
949 | } | |
950 | break; | |
951 | case REG_STRING: | |
952 | switch (estack_bx_t) { | |
953 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 954 | case REG_U64: /* Fall-through */ |
53569322 MD |
955 | case REG_DOUBLE: |
956 | ret = -EINVAL; | |
957 | goto end; | |
958 | case REG_STRING: | |
959 | JUMP_TO(FILTER_OP_EQ_STRING); | |
3151a51d PP |
960 | case REG_STAR_GLOB_STRING: |
961 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
962 | default: | |
963 | ERR("Unknown filter register type (%d)", | |
964 | (int) estack_bx_t); | |
965 | ret = -EINVAL; | |
966 | goto end; | |
967 | } | |
968 | break; | |
969 | case REG_STAR_GLOB_STRING: | |
970 | switch (estack_bx_t) { | |
971 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 972 | case REG_U64: /* Fall-through */ |
3151a51d PP |
973 | case REG_DOUBLE: |
974 | ret = -EINVAL; | |
975 | goto end; | |
976 | case REG_STRING: | |
977 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
978 | case REG_STAR_GLOB_STRING: | |
979 | ret = -EINVAL; | |
980 | goto end; | |
53569322 MD |
981 | default: |
982 | ERR("Unknown filter register type (%d)", | |
983 | (int) estack_bx_t); | |
984 | ret = -EINVAL; | |
985 | goto end; | |
986 | } | |
987 | break; | |
988 | default: | |
989 | ERR("Unknown filter register type (%d)", | |
990 | (int) estack_ax_t); | |
991 | ret = -EINVAL; | |
992 | goto end; | |
993 | } | |
994 | } | |
97b58163 | 995 | OP(FILTER_OP_NE): |
53569322 MD |
996 | { |
997 | /* Dynamic typing. */ | |
998 | switch (estack_ax_t) { | |
d97f9b78 MD |
999 | case REG_S64: /* Fall-through */ |
1000 | case REG_U64: | |
53569322 | 1001 | switch (estack_bx_t) { |
d97f9b78 MD |
1002 | case REG_S64: /* Fall-through */ |
1003 | case REG_U64: | |
53569322 MD |
1004 | JUMP_TO(FILTER_OP_NE_S64); |
1005 | case REG_DOUBLE: | |
1006 | JUMP_TO(FILTER_OP_NE_DOUBLE_S64); | |
3151a51d PP |
1007 | case REG_STRING: /* Fall-through */ |
1008 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1009 | ret = -EINVAL; |
1010 | goto end; | |
1011 | default: | |
1012 | ERR("Unknown filter register type (%d)", | |
1013 | (int) estack_bx_t); | |
1014 | ret = -EINVAL; | |
1015 | goto end; | |
1016 | } | |
1017 | break; | |
1018 | case REG_DOUBLE: | |
1019 | switch (estack_bx_t) { | |
d97f9b78 MD |
1020 | case REG_S64: /* Fall-through */ |
1021 | case REG_U64: | |
53569322 MD |
1022 | JUMP_TO(FILTER_OP_NE_S64_DOUBLE); |
1023 | case REG_DOUBLE: | |
1024 | JUMP_TO(FILTER_OP_NE_DOUBLE); | |
3151a51d PP |
1025 | case REG_STRING: /* Fall-through */ |
1026 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1027 | ret = -EINVAL; |
1028 | goto end; | |
1029 | default: | |
1030 | ERR("Unknown filter register type (%d)", | |
1031 | (int) estack_bx_t); | |
1032 | ret = -EINVAL; | |
1033 | goto end; | |
1034 | } | |
1035 | break; | |
1036 | case REG_STRING: | |
1037 | switch (estack_bx_t) { | |
1038 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1039 | case REG_U64: |
53569322 MD |
1040 | case REG_DOUBLE: |
1041 | ret = -EINVAL; | |
1042 | goto end; | |
1043 | case REG_STRING: | |
1044 | JUMP_TO(FILTER_OP_NE_STRING); | |
3151a51d PP |
1045 | case REG_STAR_GLOB_STRING: |
1046 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
1047 | default: | |
1048 | ERR("Unknown filter register type (%d)", | |
1049 | (int) estack_bx_t); | |
1050 | ret = -EINVAL; | |
1051 | goto end; | |
1052 | } | |
1053 | break; | |
1054 | case REG_STAR_GLOB_STRING: | |
1055 | switch (estack_bx_t) { | |
1056 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1057 | case REG_U64: |
3151a51d PP |
1058 | case REG_DOUBLE: |
1059 | ret = -EINVAL; | |
1060 | goto end; | |
1061 | case REG_STRING: | |
1062 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
1063 | case REG_STAR_GLOB_STRING: | |
1064 | ret = -EINVAL; | |
1065 | goto end; | |
53569322 MD |
1066 | default: |
1067 | ERR("Unknown filter register type (%d)", | |
1068 | (int) estack_bx_t); | |
1069 | ret = -EINVAL; | |
1070 | goto end; | |
1071 | } | |
1072 | break; | |
1073 | default: | |
1074 | ERR("Unknown filter register type (%d)", | |
1075 | (int) estack_ax_t); | |
1076 | ret = -EINVAL; | |
1077 | goto end; | |
1078 | } | |
1079 | } | |
97b58163 | 1080 | OP(FILTER_OP_GT): |
53569322 MD |
1081 | { |
1082 | /* Dynamic typing. */ | |
1083 | switch (estack_ax_t) { | |
d97f9b78 MD |
1084 | case REG_S64: /* Fall-through */ |
1085 | case REG_U64: | |
53569322 | 1086 | switch (estack_bx_t) { |
d97f9b78 MD |
1087 | case REG_S64: /* Fall-through */ |
1088 | case REG_U64: | |
53569322 MD |
1089 | JUMP_TO(FILTER_OP_GT_S64); |
1090 | case REG_DOUBLE: | |
1091 | JUMP_TO(FILTER_OP_GT_DOUBLE_S64); | |
3151a51d PP |
1092 | case REG_STRING: /* Fall-through */ |
1093 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1094 | ret = -EINVAL; |
1095 | goto end; | |
1096 | default: | |
1097 | ERR("Unknown filter register type (%d)", | |
1098 | (int) estack_bx_t); | |
1099 | ret = -EINVAL; | |
1100 | goto end; | |
1101 | } | |
1102 | break; | |
1103 | case REG_DOUBLE: | |
1104 | switch (estack_bx_t) { | |
d97f9b78 MD |
1105 | case REG_S64: /* Fall-through */ |
1106 | case REG_U64: | |
53569322 MD |
1107 | JUMP_TO(FILTER_OP_GT_S64_DOUBLE); |
1108 | case REG_DOUBLE: | |
1109 | JUMP_TO(FILTER_OP_GT_DOUBLE); | |
3151a51d PP |
1110 | case REG_STRING: /* Fall-through */ |
1111 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1112 | ret = -EINVAL; |
1113 | goto end; | |
1114 | default: | |
1115 | ERR("Unknown filter register type (%d)", | |
1116 | (int) estack_bx_t); | |
1117 | ret = -EINVAL; | |
1118 | goto end; | |
1119 | } | |
1120 | break; | |
1121 | case REG_STRING: | |
1122 | switch (estack_bx_t) { | |
1123 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1124 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1125 | case REG_DOUBLE: /* Fall-through */ |
1126 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1127 | ret = -EINVAL; |
1128 | goto end; | |
1129 | case REG_STRING: | |
1130 | JUMP_TO(FILTER_OP_GT_STRING); | |
1131 | default: | |
1132 | ERR("Unknown filter register type (%d)", | |
1133 | (int) estack_bx_t); | |
1134 | ret = -EINVAL; | |
1135 | goto end; | |
1136 | } | |
1137 | break; | |
1138 | default: | |
1139 | ERR("Unknown filter register type (%d)", | |
1140 | (int) estack_ax_t); | |
1141 | ret = -EINVAL; | |
1142 | goto end; | |
1143 | } | |
1144 | } | |
97b58163 | 1145 | OP(FILTER_OP_LT): |
53569322 MD |
1146 | { |
1147 | /* Dynamic typing. */ | |
1148 | switch (estack_ax_t) { | |
d97f9b78 MD |
1149 | case REG_S64: /* Fall-through */ |
1150 | case REG_U64: | |
53569322 | 1151 | switch (estack_bx_t) { |
d97f9b78 MD |
1152 | case REG_S64: /* Fall-through */ |
1153 | case REG_U64: | |
53569322 MD |
1154 | JUMP_TO(FILTER_OP_LT_S64); |
1155 | case REG_DOUBLE: | |
1156 | JUMP_TO(FILTER_OP_LT_DOUBLE_S64); | |
3151a51d PP |
1157 | case REG_STRING: /* Fall-through */ |
1158 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1159 | ret = -EINVAL; |
1160 | goto end; | |
1161 | default: | |
1162 | ERR("Unknown filter register type (%d)", | |
1163 | (int) estack_bx_t); | |
1164 | ret = -EINVAL; | |
1165 | goto end; | |
1166 | } | |
1167 | break; | |
1168 | case REG_DOUBLE: | |
1169 | switch (estack_bx_t) { | |
d97f9b78 MD |
1170 | case REG_S64: /* Fall-through */ |
1171 | case REG_U64: | |
53569322 MD |
1172 | JUMP_TO(FILTER_OP_LT_S64_DOUBLE); |
1173 | case REG_DOUBLE: | |
1174 | JUMP_TO(FILTER_OP_LT_DOUBLE); | |
3151a51d PP |
1175 | case REG_STRING: /* Fall-through */ |
1176 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1177 | ret = -EINVAL; |
1178 | goto end; | |
1179 | default: | |
1180 | ERR("Unknown filter register type (%d)", | |
1181 | (int) estack_bx_t); | |
1182 | ret = -EINVAL; | |
1183 | goto end; | |
1184 | } | |
1185 | break; | |
1186 | case REG_STRING: | |
1187 | switch (estack_bx_t) { | |
1188 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1189 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1190 | case REG_DOUBLE: /* Fall-through */ |
1191 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1192 | ret = -EINVAL; |
1193 | goto end; | |
1194 | case REG_STRING: | |
1195 | JUMP_TO(FILTER_OP_LT_STRING); | |
1196 | default: | |
1197 | ERR("Unknown filter register type (%d)", | |
1198 | (int) estack_bx_t); | |
1199 | ret = -EINVAL; | |
1200 | goto end; | |
1201 | } | |
1202 | break; | |
1203 | default: | |
1204 | ERR("Unknown filter register type (%d)", | |
1205 | (int) estack_ax_t); | |
1206 | ret = -EINVAL; | |
1207 | goto end; | |
1208 | } | |
1209 | } | |
97b58163 | 1210 | OP(FILTER_OP_GE): |
53569322 MD |
1211 | { |
1212 | /* Dynamic typing. */ | |
1213 | switch (estack_ax_t) { | |
d97f9b78 MD |
1214 | case REG_S64: /* Fall-through */ |
1215 | case REG_U64: | |
53569322 | 1216 | switch (estack_bx_t) { |
d97f9b78 MD |
1217 | case REG_S64: /* Fall-through */ |
1218 | case REG_U64: | |
53569322 MD |
1219 | JUMP_TO(FILTER_OP_GE_S64); |
1220 | case REG_DOUBLE: | |
1221 | JUMP_TO(FILTER_OP_GE_DOUBLE_S64); | |
3151a51d PP |
1222 | case REG_STRING: /* Fall-through */ |
1223 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1224 | ret = -EINVAL; |
1225 | goto end; | |
1226 | default: | |
1227 | ERR("Unknown filter register type (%d)", | |
1228 | (int) estack_bx_t); | |
1229 | ret = -EINVAL; | |
1230 | goto end; | |
1231 | } | |
1232 | break; | |
1233 | case REG_DOUBLE: | |
1234 | switch (estack_bx_t) { | |
d97f9b78 MD |
1235 | case REG_S64: /* Fall-through */ |
1236 | case REG_U64: | |
53569322 MD |
1237 | JUMP_TO(FILTER_OP_GE_S64_DOUBLE); |
1238 | case REG_DOUBLE: | |
1239 | JUMP_TO(FILTER_OP_GE_DOUBLE); | |
3151a51d PP |
1240 | case REG_STRING: /* Fall-through */ |
1241 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1242 | ret = -EINVAL; |
1243 | goto end; | |
1244 | default: | |
1245 | ERR("Unknown filter register type (%d)", | |
1246 | (int) estack_bx_t); | |
1247 | ret = -EINVAL; | |
1248 | goto end; | |
1249 | } | |
1250 | break; | |
1251 | case REG_STRING: | |
1252 | switch (estack_bx_t) { | |
1253 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1254 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1255 | case REG_DOUBLE: /* Fall-through */ |
1256 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1257 | ret = -EINVAL; |
1258 | goto end; | |
1259 | case REG_STRING: | |
1260 | JUMP_TO(FILTER_OP_GE_STRING); | |
1261 | default: | |
1262 | ERR("Unknown filter register type (%d)", | |
1263 | (int) estack_bx_t); | |
1264 | ret = -EINVAL; | |
1265 | goto end; | |
1266 | } | |
1267 | break; | |
1268 | default: | |
1269 | ERR("Unknown filter register type (%d)", | |
1270 | (int) estack_ax_t); | |
1271 | ret = -EINVAL; | |
1272 | goto end; | |
1273 | } | |
1274 | } | |
97b58163 | 1275 | OP(FILTER_OP_LE): |
53569322 MD |
1276 | { |
1277 | /* Dynamic typing. */ | |
1278 | switch (estack_ax_t) { | |
d97f9b78 MD |
1279 | case REG_S64: /* Fall-through */ |
1280 | case REG_U64: | |
53569322 | 1281 | switch (estack_bx_t) { |
d97f9b78 MD |
1282 | case REG_S64: /* Fall-through */ |
1283 | case REG_U64: | |
53569322 MD |
1284 | JUMP_TO(FILTER_OP_LE_S64); |
1285 | case REG_DOUBLE: | |
1286 | JUMP_TO(FILTER_OP_LE_DOUBLE_S64); | |
3151a51d PP |
1287 | case REG_STRING: /* Fall-through */ |
1288 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1289 | ret = -EINVAL; |
1290 | goto end; | |
1291 | default: | |
1292 | ERR("Unknown filter register type (%d)", | |
1293 | (int) estack_bx_t); | |
1294 | ret = -EINVAL; | |
1295 | goto end; | |
1296 | } | |
1297 | break; | |
1298 | case REG_DOUBLE: | |
1299 | switch (estack_bx_t) { | |
d97f9b78 MD |
1300 | case REG_S64: /* Fall-through */ |
1301 | case REG_U64: | |
53569322 MD |
1302 | JUMP_TO(FILTER_OP_LE_S64_DOUBLE); |
1303 | case REG_DOUBLE: | |
1304 | JUMP_TO(FILTER_OP_LE_DOUBLE); | |
3151a51d PP |
1305 | case REG_STRING: /* Fall-through */ |
1306 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1307 | ret = -EINVAL; |
1308 | goto end; | |
1309 | default: | |
1310 | ERR("Unknown filter register type (%d)", | |
1311 | (int) estack_bx_t); | |
1312 | ret = -EINVAL; | |
1313 | goto end; | |
1314 | } | |
1315 | break; | |
1316 | case REG_STRING: | |
1317 | switch (estack_bx_t) { | |
1318 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1319 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1320 | case REG_DOUBLE: /* Fall-through */ |
1321 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1322 | ret = -EINVAL; |
1323 | goto end; | |
1324 | case REG_STRING: | |
1325 | JUMP_TO(FILTER_OP_LE_STRING); | |
1326 | default: | |
1327 | ERR("Unknown filter register type (%d)", | |
1328 | (int) estack_bx_t); | |
1329 | ret = -EINVAL; | |
1330 | goto end; | |
1331 | } | |
1332 | break; | |
1333 | default: | |
1334 | ERR("Unknown filter register type (%d)", | |
1335 | (int) estack_ax_t); | |
1336 | ret = -EINVAL; | |
1337 | goto end; | |
1338 | } | |
1339 | } | |
97b58163 MD |
1340 | |
1341 | OP(FILTER_OP_EQ_STRING): | |
1342 | { | |
0305960f MD |
1343 | int res; |
1344 | ||
9b33aac4 | 1345 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 1346 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1347 | estack_ax_v = res; |
53569322 | 1348 | estack_ax_t = REG_S64; |
97b58163 MD |
1349 | next_pc += sizeof(struct binary_op); |
1350 | PO; | |
1351 | } | |
1352 | OP(FILTER_OP_NE_STRING): | |
1353 | { | |
0305960f MD |
1354 | int res; |
1355 | ||
9b33aac4 | 1356 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 1357 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1358 | estack_ax_v = res; |
53569322 | 1359 | estack_ax_t = REG_S64; |
97b58163 MD |
1360 | next_pc += sizeof(struct binary_op); |
1361 | PO; | |
1362 | } | |
1363 | OP(FILTER_OP_GT_STRING): | |
1364 | { | |
0305960f MD |
1365 | int res; |
1366 | ||
9b33aac4 | 1367 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 1368 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1369 | estack_ax_v = res; |
53569322 | 1370 | estack_ax_t = REG_S64; |
97b58163 MD |
1371 | next_pc += sizeof(struct binary_op); |
1372 | PO; | |
1373 | } | |
1374 | OP(FILTER_OP_LT_STRING): | |
1375 | { | |
0305960f MD |
1376 | int res; |
1377 | ||
9b33aac4 | 1378 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 1379 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1380 | estack_ax_v = res; |
53569322 | 1381 | estack_ax_t = REG_S64; |
97b58163 MD |
1382 | next_pc += sizeof(struct binary_op); |
1383 | PO; | |
1384 | } | |
1385 | OP(FILTER_OP_GE_STRING): | |
1386 | { | |
0305960f MD |
1387 | int res; |
1388 | ||
9b33aac4 | 1389 | res = (stack_strcmp(stack, top, ">=") >= 0); |
53569322 | 1390 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1391 | estack_ax_v = res; |
53569322 | 1392 | estack_ax_t = REG_S64; |
97b58163 MD |
1393 | next_pc += sizeof(struct binary_op); |
1394 | PO; | |
1395 | } | |
1396 | OP(FILTER_OP_LE_STRING): | |
1397 | { | |
0305960f MD |
1398 | int res; |
1399 | ||
9b33aac4 | 1400 | res = (stack_strcmp(stack, top, "<=") <= 0); |
53569322 | 1401 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1402 | estack_ax_v = res; |
53569322 | 1403 | estack_ax_t = REG_S64; |
97b58163 MD |
1404 | next_pc += sizeof(struct binary_op); |
1405 | PO; | |
1406 | } | |
1407 | ||
3151a51d PP |
1408 | OP(FILTER_OP_EQ_STAR_GLOB_STRING): |
1409 | { | |
1410 | int res; | |
1411 | ||
1412 | res = (stack_star_glob_match(stack, top, "==") == 0); | |
1413 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1414 | estack_ax_v = res; | |
1415 | estack_ax_t = REG_S64; | |
1416 | next_pc += sizeof(struct binary_op); | |
1417 | PO; | |
1418 | } | |
1419 | OP(FILTER_OP_NE_STAR_GLOB_STRING): | |
1420 | { | |
1421 | int res; | |
1422 | ||
1423 | res = (stack_star_glob_match(stack, top, "!=") != 0); | |
1424 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1425 | estack_ax_v = res; | |
1426 | estack_ax_t = REG_S64; | |
1427 | next_pc += sizeof(struct binary_op); | |
1428 | PO; | |
1429 | } | |
1430 | ||
97b58163 MD |
1431 | OP(FILTER_OP_EQ_S64): |
1432 | { | |
0305960f MD |
1433 | int res; |
1434 | ||
9b33aac4 | 1435 | res = (estack_bx_v == estack_ax_v); |
53569322 | 1436 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1437 | estack_ax_v = res; |
53569322 | 1438 | estack_ax_t = REG_S64; |
97b58163 MD |
1439 | next_pc += sizeof(struct binary_op); |
1440 | PO; | |
1441 | } | |
1442 | OP(FILTER_OP_NE_S64): | |
1443 | { | |
0305960f MD |
1444 | int res; |
1445 | ||
9b33aac4 | 1446 | res = (estack_bx_v != estack_ax_v); |
53569322 | 1447 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1448 | estack_ax_v = res; |
53569322 | 1449 | estack_ax_t = REG_S64; |
97b58163 MD |
1450 | next_pc += sizeof(struct binary_op); |
1451 | PO; | |
1452 | } | |
1453 | OP(FILTER_OP_GT_S64): | |
1454 | { | |
0305960f MD |
1455 | int res; |
1456 | ||
9b33aac4 | 1457 | res = (estack_bx_v > estack_ax_v); |
53569322 | 1458 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1459 | estack_ax_v = res; |
53569322 | 1460 | estack_ax_t = REG_S64; |
97b58163 MD |
1461 | next_pc += sizeof(struct binary_op); |
1462 | PO; | |
1463 | } | |
1464 | OP(FILTER_OP_LT_S64): | |
1465 | { | |
0305960f MD |
1466 | int res; |
1467 | ||
9b33aac4 | 1468 | res = (estack_bx_v < estack_ax_v); |
53569322 | 1469 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1470 | estack_ax_v = res; |
53569322 | 1471 | estack_ax_t = REG_S64; |
97b58163 MD |
1472 | next_pc += sizeof(struct binary_op); |
1473 | PO; | |
1474 | } | |
1475 | OP(FILTER_OP_GE_S64): | |
1476 | { | |
0305960f MD |
1477 | int res; |
1478 | ||
9b33aac4 | 1479 | res = (estack_bx_v >= estack_ax_v); |
53569322 | 1480 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1481 | estack_ax_v = res; |
53569322 | 1482 | estack_ax_t = REG_S64; |
97b58163 MD |
1483 | next_pc += sizeof(struct binary_op); |
1484 | PO; | |
1485 | } | |
1486 | OP(FILTER_OP_LE_S64): | |
1487 | { | |
0305960f MD |
1488 | int res; |
1489 | ||
9b33aac4 | 1490 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 1491 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1492 | estack_ax_v = res; |
53569322 | 1493 | estack_ax_t = REG_S64; |
97b58163 MD |
1494 | next_pc += sizeof(struct binary_op); |
1495 | PO; | |
1496 | } | |
1497 | ||
1498 | OP(FILTER_OP_EQ_DOUBLE): | |
1499 | { | |
0305960f MD |
1500 | int res; |
1501 | ||
9b33aac4 | 1502 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 1503 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1504 | estack_ax_v = res; |
53569322 | 1505 | estack_ax_t = REG_S64; |
97b58163 MD |
1506 | next_pc += sizeof(struct binary_op); |
1507 | PO; | |
1508 | } | |
1509 | OP(FILTER_OP_NE_DOUBLE): | |
1510 | { | |
0305960f MD |
1511 | int res; |
1512 | ||
9b33aac4 | 1513 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 1514 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1515 | estack_ax_v = res; |
53569322 | 1516 | estack_ax_t = REG_S64; |
97b58163 MD |
1517 | next_pc += sizeof(struct binary_op); |
1518 | PO; | |
1519 | } | |
1520 | OP(FILTER_OP_GT_DOUBLE): | |
1521 | { | |
0305960f MD |
1522 | int res; |
1523 | ||
9b33aac4 | 1524 | res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); |
53569322 | 1525 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1526 | estack_ax_v = res; |
53569322 | 1527 | estack_ax_t = REG_S64; |
97b58163 MD |
1528 | next_pc += sizeof(struct binary_op); |
1529 | PO; | |
1530 | } | |
1531 | OP(FILTER_OP_LT_DOUBLE): | |
1532 | { | |
0305960f MD |
1533 | int res; |
1534 | ||
9b33aac4 | 1535 | res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); |
53569322 | 1536 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1537 | estack_ax_v = res; |
53569322 | 1538 | estack_ax_t = REG_S64; |
97b58163 MD |
1539 | next_pc += sizeof(struct binary_op); |
1540 | PO; | |
1541 | } | |
1542 | OP(FILTER_OP_GE_DOUBLE): | |
1543 | { | |
0305960f MD |
1544 | int res; |
1545 | ||
9b33aac4 | 1546 | res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); |
53569322 | 1547 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1548 | estack_ax_v = res; |
53569322 | 1549 | estack_ax_t = REG_S64; |
97b58163 MD |
1550 | next_pc += sizeof(struct binary_op); |
1551 | PO; | |
1552 | } | |
1553 | OP(FILTER_OP_LE_DOUBLE): | |
1554 | { | |
0305960f MD |
1555 | int res; |
1556 | ||
9b33aac4 | 1557 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 1558 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1559 | estack_ax_v = res; |
53569322 | 1560 | estack_ax_t = REG_S64; |
dbea82ec MD |
1561 | next_pc += sizeof(struct binary_op); |
1562 | PO; | |
1563 | } | |
1564 | ||
1565 | /* Mixed S64-double binary comparators */ | |
1566 | OP(FILTER_OP_EQ_DOUBLE_S64): | |
1567 | { | |
1568 | int res; | |
1569 | ||
9b33aac4 | 1570 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
53569322 | 1571 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1572 | estack_ax_v = res; |
53569322 | 1573 | estack_ax_t = REG_S64; |
dbea82ec MD |
1574 | next_pc += sizeof(struct binary_op); |
1575 | PO; | |
1576 | } | |
1577 | OP(FILTER_OP_NE_DOUBLE_S64): | |
1578 | { | |
1579 | int res; | |
1580 | ||
9b33aac4 | 1581 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
53569322 | 1582 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1583 | estack_ax_v = res; |
53569322 | 1584 | estack_ax_t = REG_S64; |
dbea82ec MD |
1585 | next_pc += sizeof(struct binary_op); |
1586 | PO; | |
1587 | } | |
1588 | OP(FILTER_OP_GT_DOUBLE_S64): | |
1589 | { | |
1590 | int res; | |
1591 | ||
9b33aac4 | 1592 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
53569322 | 1593 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1594 | estack_ax_v = res; |
53569322 | 1595 | estack_ax_t = REG_S64; |
dbea82ec MD |
1596 | next_pc += sizeof(struct binary_op); |
1597 | PO; | |
1598 | } | |
1599 | OP(FILTER_OP_LT_DOUBLE_S64): | |
1600 | { | |
1601 | int res; | |
1602 | ||
9b33aac4 | 1603 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 1604 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1605 | estack_ax_v = res; |
53569322 | 1606 | estack_ax_t = REG_S64; |
dbea82ec MD |
1607 | next_pc += sizeof(struct binary_op); |
1608 | PO; | |
1609 | } | |
1610 | OP(FILTER_OP_GE_DOUBLE_S64): | |
1611 | { | |
1612 | int res; | |
1613 | ||
9b33aac4 | 1614 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 1615 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1616 | estack_ax_v = res; |
53569322 | 1617 | estack_ax_t = REG_S64; |
dbea82ec MD |
1618 | next_pc += sizeof(struct binary_op); |
1619 | PO; | |
1620 | } | |
1621 | OP(FILTER_OP_LE_DOUBLE_S64): | |
1622 | { | |
1623 | int res; | |
1624 | ||
9b33aac4 | 1625 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 1626 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1627 | estack_ax_v = res; |
53569322 | 1628 | estack_ax_t = REG_S64; |
dbea82ec MD |
1629 | next_pc += sizeof(struct binary_op); |
1630 | PO; | |
1631 | } | |
1632 | ||
1633 | OP(FILTER_OP_EQ_S64_DOUBLE): | |
1634 | { | |
1635 | int res; | |
1636 | ||
9b33aac4 | 1637 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 1638 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1639 | estack_ax_v = res; |
53569322 | 1640 | estack_ax_t = REG_S64; |
dbea82ec MD |
1641 | next_pc += sizeof(struct binary_op); |
1642 | PO; | |
1643 | } | |
1644 | OP(FILTER_OP_NE_S64_DOUBLE): | |
1645 | { | |
1646 | int res; | |
1647 | ||
9b33aac4 | 1648 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 1649 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1650 | estack_ax_v = res; |
53569322 | 1651 | estack_ax_t = REG_S64; |
dbea82ec MD |
1652 | next_pc += sizeof(struct binary_op); |
1653 | PO; | |
1654 | } | |
1655 | OP(FILTER_OP_GT_S64_DOUBLE): | |
1656 | { | |
1657 | int res; | |
1658 | ||
9b33aac4 | 1659 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 1660 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1661 | estack_ax_v = res; |
53569322 | 1662 | estack_ax_t = REG_S64; |
dbea82ec MD |
1663 | next_pc += sizeof(struct binary_op); |
1664 | PO; | |
1665 | } | |
1666 | OP(FILTER_OP_LT_S64_DOUBLE): | |
1667 | { | |
1668 | int res; | |
1669 | ||
9b33aac4 | 1670 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 1671 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1672 | estack_ax_v = res; |
53569322 | 1673 | estack_ax_t = REG_S64; |
dbea82ec MD |
1674 | next_pc += sizeof(struct binary_op); |
1675 | PO; | |
1676 | } | |
1677 | OP(FILTER_OP_GE_S64_DOUBLE): | |
1678 | { | |
1679 | int res; | |
1680 | ||
9b33aac4 | 1681 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 1682 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1683 | estack_ax_v = res; |
53569322 | 1684 | estack_ax_t = REG_S64; |
dbea82ec MD |
1685 | next_pc += sizeof(struct binary_op); |
1686 | PO; | |
1687 | } | |
1688 | OP(FILTER_OP_LE_S64_DOUBLE): | |
1689 | { | |
1690 | int res; | |
1691 | ||
9b33aac4 | 1692 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1693 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1694 | estack_ax_v = res; |
53569322 | 1695 | estack_ax_t = REG_S64; |
97b58163 MD |
1696 | next_pc += sizeof(struct binary_op); |
1697 | PO; | |
1698 | } | |
0039e2d8 MD |
1699 | OP(FILTER_OP_BIT_RSHIFT): |
1700 | { | |
1701 | int64_t res; | |
1702 | ||
d97f9b78 | 1703 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
0039e2d8 MD |
1704 | ret = -EINVAL; |
1705 | goto end; | |
1706 | } | |
d97f9b78 | 1707 | |
3703f1d2 MD |
1708 | /* Catch undefined behavior. */ |
1709 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1710 | ret = -EINVAL; | |
1711 | goto end; | |
1712 | } | |
4e8f9a89 | 1713 | res = ((uint64_t) estack_bx_v >> (uint32_t) estack_ax_v); |
0039e2d8 MD |
1714 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1715 | estack_ax_v = res; | |
d97f9b78 | 1716 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1717 | next_pc += sizeof(struct binary_op); |
1718 | PO; | |
1719 | } | |
1720 | OP(FILTER_OP_BIT_LSHIFT): | |
1721 | { | |
1722 | int64_t res; | |
1723 | ||
d97f9b78 | 1724 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
0039e2d8 MD |
1725 | ret = -EINVAL; |
1726 | goto end; | |
1727 | } | |
d97f9b78 | 1728 | |
3703f1d2 MD |
1729 | /* Catch undefined behavior. */ |
1730 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1731 | ret = -EINVAL; | |
1732 | goto end; | |
1733 | } | |
4e8f9a89 | 1734 | res = ((uint64_t) estack_bx_v << (uint32_t) estack_ax_v); |
0039e2d8 MD |
1735 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1736 | estack_ax_v = res; | |
d97f9b78 | 1737 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1738 | next_pc += sizeof(struct binary_op); |
1739 | PO; | |
1740 | } | |
47e5f13e MD |
1741 | OP(FILTER_OP_BIT_AND): |
1742 | { | |
1743 | int64_t res; | |
1744 | ||
d97f9b78 | 1745 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1746 | ret = -EINVAL; |
1747 | goto end; | |
1748 | } | |
1749 | ||
4e8f9a89 | 1750 | res = ((uint64_t) estack_bx_v & (uint64_t) estack_ax_v); |
47e5f13e MD |
1751 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1752 | estack_ax_v = res; | |
d97f9b78 | 1753 | estack_ax_t = REG_U64; |
47e5f13e MD |
1754 | next_pc += sizeof(struct binary_op); |
1755 | PO; | |
1756 | } | |
1757 | OP(FILTER_OP_BIT_OR): | |
1758 | { | |
1759 | int64_t res; | |
1760 | ||
d97f9b78 | 1761 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1762 | ret = -EINVAL; |
1763 | goto end; | |
1764 | } | |
1765 | ||
4e8f9a89 | 1766 | res = ((uint64_t) estack_bx_v | (uint64_t) estack_ax_v); |
47e5f13e MD |
1767 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1768 | estack_ax_v = res; | |
d97f9b78 | 1769 | estack_ax_t = REG_U64; |
47e5f13e MD |
1770 | next_pc += sizeof(struct binary_op); |
1771 | PO; | |
1772 | } | |
1773 | OP(FILTER_OP_BIT_XOR): | |
1774 | { | |
1775 | int64_t res; | |
1776 | ||
d97f9b78 | 1777 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1778 | ret = -EINVAL; |
1779 | goto end; | |
1780 | } | |
1781 | ||
4e8f9a89 | 1782 | res = ((uint64_t) estack_bx_v ^ (uint64_t) estack_ax_v); |
47e5f13e MD |
1783 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1784 | estack_ax_v = res; | |
d97f9b78 | 1785 | estack_ax_t = REG_U64; |
47e5f13e MD |
1786 | next_pc += sizeof(struct binary_op); |
1787 | PO; | |
1788 | } | |
97b58163 MD |
1789 | |
1790 | /* unary */ | |
1791 | OP(FILTER_OP_UNARY_PLUS): | |
53569322 MD |
1792 | { |
1793 | /* Dynamic typing. */ | |
1794 | switch (estack_ax_t) { | |
1795 | case REG_S64: /* Fall-through. */ | |
d97f9b78 | 1796 | case REG_U64: |
53569322 MD |
1797 | JUMP_TO(FILTER_OP_UNARY_PLUS_S64); |
1798 | case REG_DOUBLE: | |
1799 | JUMP_TO(FILTER_OP_UNARY_PLUS_DOUBLE); | |
3151a51d PP |
1800 | case REG_STRING: /* Fall-through */ |
1801 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1802 | ret = -EINVAL; |
1803 | goto end; | |
1804 | default: | |
1805 | ERR("Unknown filter register type (%d)", | |
1806 | (int) estack_ax_t); | |
1807 | ret = -EINVAL; | |
1808 | goto end; | |
1809 | } | |
1810 | } | |
97b58163 | 1811 | OP(FILTER_OP_UNARY_MINUS): |
53569322 MD |
1812 | { |
1813 | /* Dynamic typing. */ | |
1814 | switch (estack_ax_t) { | |
d97f9b78 MD |
1815 | case REG_S64: /* Fall-through. */ |
1816 | case REG_U64: | |
53569322 MD |
1817 | JUMP_TO(FILTER_OP_UNARY_MINUS_S64); |
1818 | case REG_DOUBLE: | |
1819 | JUMP_TO(FILTER_OP_UNARY_MINUS_DOUBLE); | |
3151a51d PP |
1820 | case REG_STRING: /* Fall-through */ |
1821 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1822 | ret = -EINVAL; |
1823 | goto end; | |
1824 | default: | |
1825 | ERR("Unknown filter register type (%d)", | |
1826 | (int) estack_ax_t); | |
1827 | ret = -EINVAL; | |
1828 | goto end; | |
1829 | } | |
1830 | } | |
97b58163 | 1831 | OP(FILTER_OP_UNARY_NOT): |
53569322 MD |
1832 | { |
1833 | /* Dynamic typing. */ | |
1834 | switch (estack_ax_t) { | |
d97f9b78 MD |
1835 | case REG_S64: /* Fall-through. */ |
1836 | case REG_U64: | |
53569322 MD |
1837 | JUMP_TO(FILTER_OP_UNARY_NOT_S64); |
1838 | case REG_DOUBLE: | |
1839 | JUMP_TO(FILTER_OP_UNARY_NOT_DOUBLE); | |
3151a51d PP |
1840 | case REG_STRING: /* Fall-through */ |
1841 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1842 | ret = -EINVAL; |
1843 | goto end; | |
1844 | default: | |
1845 | ERR("Unknown filter register type (%d)", | |
1846 | (int) estack_ax_t); | |
1847 | ret = -EINVAL; | |
1848 | goto end; | |
1849 | } | |
1850 | next_pc += sizeof(struct unary_op); | |
1851 | PO; | |
1852 | } | |
97b58163 | 1853 | |
0039e2d8 MD |
1854 | OP(FILTER_OP_UNARY_BIT_NOT): |
1855 | { | |
1856 | /* Dynamic typing. */ | |
d97f9b78 | 1857 | if (!IS_INTEGER_REGISTER(estack_ax_t)) { |
0039e2d8 MD |
1858 | ret = -EINVAL; |
1859 | goto end; | |
1860 | } | |
1861 | ||
4e8f9a89 | 1862 | estack_ax_v = ~(uint64_t) estack_ax_v; |
d97f9b78 | 1863 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1864 | next_pc += sizeof(struct unary_op); |
1865 | PO; | |
1866 | } | |
1867 | ||
97b58163 MD |
1868 | OP(FILTER_OP_UNARY_PLUS_S64): |
1869 | OP(FILTER_OP_UNARY_PLUS_DOUBLE): | |
1870 | { | |
1871 | next_pc += sizeof(struct unary_op); | |
1872 | PO; | |
1873 | } | |
1874 | OP(FILTER_OP_UNARY_MINUS_S64): | |
1875 | { | |
9b33aac4 | 1876 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1877 | next_pc += sizeof(struct unary_op); |
1878 | PO; | |
1879 | } | |
1880 | OP(FILTER_OP_UNARY_MINUS_DOUBLE): | |
1881 | { | |
9b33aac4 | 1882 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1883 | next_pc += sizeof(struct unary_op); |
1884 | PO; | |
1885 | } | |
1886 | OP(FILTER_OP_UNARY_NOT_S64): | |
1887 | { | |
9b33aac4 | 1888 | estack_ax_v = !estack_ax_v; |
d97f9b78 | 1889 | estack_ax_t = REG_S64; |
97b58163 MD |
1890 | next_pc += sizeof(struct unary_op); |
1891 | PO; | |
1892 | } | |
1893 | OP(FILTER_OP_UNARY_NOT_DOUBLE): | |
1894 | { | |
53569322 MD |
1895 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1896 | estack_ax_t = REG_S64; | |
97b58163 MD |
1897 | next_pc += sizeof(struct unary_op); |
1898 | PO; | |
1899 | } | |
1900 | ||
1901 | /* logical */ | |
1902 | OP(FILTER_OP_AND): | |
1903 | { | |
1904 | struct logical_op *insn = (struct logical_op *) pc; | |
1905 | ||
d97f9b78 | 1906 | if (estack_ax_t != REG_S64 && estack_ax_t != REG_U64) { |
53569322 MD |
1907 | ret = -EINVAL; |
1908 | goto end; | |
1909 | } | |
0305960f | 1910 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1911 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1912 | dbg_printf("Jumping to bytecode offset %u\n", |
1913 | (unsigned int) insn->skip_offset); | |
1914 | next_pc = start_pc + insn->skip_offset; | |
1915 | } else { | |
71c1ceeb | 1916 | /* Pop 1 when jump not taken */ |
53569322 | 1917 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1918 | next_pc += sizeof(struct logical_op); |
1919 | } | |
1920 | PO; | |
1921 | } | |
1922 | OP(FILTER_OP_OR): | |
1923 | { | |
1924 | struct logical_op *insn = (struct logical_op *) pc; | |
1925 | ||
d97f9b78 | 1926 | if (estack_ax_t != REG_S64 && estack_ax_t != REG_U64) { |
53569322 MD |
1927 | ret = -EINVAL; |
1928 | goto end; | |
1929 | } | |
0305960f | 1930 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1931 | if (unlikely(estack_ax_v != 0)) { |
1932 | estack_ax_v = 1; | |
97b58163 MD |
1933 | dbg_printf("Jumping to bytecode offset %u\n", |
1934 | (unsigned int) insn->skip_offset); | |
1935 | next_pc = start_pc + insn->skip_offset; | |
1936 | } else { | |
71c1ceeb | 1937 | /* Pop 1 when jump not taken */ |
53569322 | 1938 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1939 | next_pc += sizeof(struct logical_op); |
1940 | } | |
1941 | PO; | |
1942 | } | |
1943 | ||
1944 | ||
77aa5901 | 1945 | /* load field ref */ |
97b58163 MD |
1946 | OP(FILTER_OP_LOAD_FIELD_REF_STRING): |
1947 | { | |
1948 | struct load_op *insn = (struct load_op *) pc; | |
1949 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1950 | ||
1951 | dbg_printf("load field ref offset %u type string\n", | |
1952 | ref->offset); | |
53569322 | 1953 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1954 | estack_ax(stack, top)->u.s.str = |
f3503ba9 | 1955 | *(const char * const *) &interpreter_stack_data[ref->offset]; |
9b33aac4 | 1956 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1957 | dbg_printf("Filter warning: loading a NULL string.\n"); |
1958 | ret = -EINVAL; | |
1959 | goto end; | |
1960 | } | |
a63d0dc8 | 1961 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1962 | estack_ax(stack, top)->u.s.literal_type = |
1963 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 1964 | estack_ax_t = REG_STRING; |
9b33aac4 | 1965 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1966 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1967 | PO; | |
1968 | } | |
1969 | ||
1970 | OP(FILTER_OP_LOAD_FIELD_REF_SEQUENCE): | |
1971 | { | |
1972 | struct load_op *insn = (struct load_op *) pc; | |
1973 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1974 | ||
1975 | dbg_printf("load field ref offset %u type sequence\n", | |
1976 | ref->offset); | |
53569322 | 1977 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1978 | estack_ax(stack, top)->u.s.seq_len = |
f3503ba9 | 1979 | *(unsigned long *) &interpreter_stack_data[ref->offset]; |
9b33aac4 | 1980 | estack_ax(stack, top)->u.s.str = |
f3503ba9 | 1981 | *(const char **) (&interpreter_stack_data[ref->offset |
97b58163 | 1982 | + sizeof(unsigned long)]); |
53569322 | 1983 | estack_ax_t = REG_STRING; |
9b33aac4 | 1984 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1985 | dbg_printf("Filter warning: loading a NULL sequence.\n"); |
1986 | ret = -EINVAL; | |
1987 | goto end; | |
1988 | } | |
3151a51d PP |
1989 | estack_ax(stack, top)->u.s.literal_type = |
1990 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
97b58163 MD |
1991 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1992 | PO; | |
1993 | } | |
1994 | ||
1995 | OP(FILTER_OP_LOAD_FIELD_REF_S64): | |
1996 | { | |
1997 | struct load_op *insn = (struct load_op *) pc; | |
1998 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1999 | ||
2000 | dbg_printf("load field ref offset %u type s64\n", | |
2001 | ref->offset); | |
53569322 | 2002 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2003 | estack_ax_v = |
f3503ba9 | 2004 | ((struct literal_numeric *) &interpreter_stack_data[ref->offset])->v; |
53569322 | 2005 | estack_ax_t = REG_S64; |
9b33aac4 | 2006 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
2007 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2008 | PO; | |
2009 | } | |
2010 | ||
2011 | OP(FILTER_OP_LOAD_FIELD_REF_DOUBLE): | |
2012 | { | |
2013 | struct load_op *insn = (struct load_op *) pc; | |
2014 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2015 | ||
2016 | dbg_printf("load field ref offset %u type double\n", | |
2017 | ref->offset); | |
53569322 | 2018 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
f3503ba9 | 2019 | memcpy(&estack_ax(stack, top)->u.d, &interpreter_stack_data[ref->offset], |
97b58163 | 2020 | sizeof(struct literal_double)); |
53569322 | 2021 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 2022 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
2023 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2024 | PO; | |
2025 | } | |
2026 | ||
77aa5901 | 2027 | /* load from immediate operand */ |
97b58163 MD |
2028 | OP(FILTER_OP_LOAD_STRING): |
2029 | { | |
2030 | struct load_op *insn = (struct load_op *) pc; | |
2031 | ||
2032 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 2033 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2034 | estack_ax(stack, top)->u.s.str = insn->data; |
a63d0dc8 | 2035 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2036 | estack_ax(stack, top)->u.s.literal_type = |
2037 | ESTACK_STRING_LITERAL_TYPE_PLAIN; | |
53569322 | 2038 | estack_ax_t = REG_STRING; |
97b58163 MD |
2039 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
2040 | PO; | |
2041 | } | |
2042 | ||
3151a51d PP |
2043 | OP(FILTER_OP_LOAD_STAR_GLOB_STRING): |
2044 | { | |
2045 | struct load_op *insn = (struct load_op *) pc; | |
2046 | ||
2047 | dbg_printf("load globbing pattern %s\n", insn->data); | |
2048 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2049 | estack_ax(stack, top)->u.s.str = insn->data; | |
a63d0dc8 | 2050 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2051 | estack_ax(stack, top)->u.s.literal_type = |
2052 | ESTACK_STRING_LITERAL_TYPE_STAR_GLOB; | |
2053 | estack_ax_t = REG_STAR_GLOB_STRING; | |
2054 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
2055 | PO; | |
2056 | } | |
2057 | ||
97b58163 MD |
2058 | OP(FILTER_OP_LOAD_S64): |
2059 | { | |
2060 | struct load_op *insn = (struct load_op *) pc; | |
2061 | ||
53569322 | 2062 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2063 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 2064 | estack_ax_t = REG_S64; |
9b33aac4 | 2065 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
2066 | next_pc += sizeof(struct load_op) |
2067 | + sizeof(struct literal_numeric); | |
2068 | PO; | |
2069 | } | |
2070 | ||
2071 | OP(FILTER_OP_LOAD_DOUBLE): | |
2072 | { | |
2073 | struct load_op *insn = (struct load_op *) pc; | |
2074 | ||
53569322 | 2075 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2076 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 2077 | sizeof(struct literal_double)); |
53569322 MD |
2078 | estack_ax_t = REG_DOUBLE; |
2079 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
2080 | next_pc += sizeof(struct load_op) |
2081 | + sizeof(struct literal_double); | |
2082 | PO; | |
2083 | } | |
2084 | ||
2085 | /* cast */ | |
2086 | OP(FILTER_OP_CAST_TO_S64): | |
53569322 MD |
2087 | { |
2088 | /* Dynamic typing. */ | |
2089 | switch (estack_ax_t) { | |
2090 | case REG_S64: | |
2091 | JUMP_TO(FILTER_OP_CAST_NOP); | |
2092 | case REG_DOUBLE: | |
2093 | JUMP_TO(FILTER_OP_CAST_DOUBLE_TO_S64); | |
d97f9b78 MD |
2094 | case REG_U64: |
2095 | estack_ax_t = REG_S64; | |
2096 | next_pc += sizeof(struct cast_op); | |
3151a51d PP |
2097 | case REG_STRING: /* Fall-through */ |
2098 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
2099 | ret = -EINVAL; |
2100 | goto end; | |
2101 | default: | |
2102 | ERR("Unknown filter register type (%d)", | |
2103 | (int) estack_ax_t); | |
2104 | ret = -EINVAL; | |
2105 | goto end; | |
2106 | } | |
2107 | } | |
97b58163 MD |
2108 | |
2109 | OP(FILTER_OP_CAST_DOUBLE_TO_S64): | |
2110 | { | |
9b33aac4 | 2111 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 2112 | estack_ax_t = REG_S64; |
97b58163 MD |
2113 | next_pc += sizeof(struct cast_op); |
2114 | PO; | |
2115 | } | |
2116 | ||
2117 | OP(FILTER_OP_CAST_NOP): | |
2118 | { | |
2119 | next_pc += sizeof(struct cast_op); | |
2120 | PO; | |
2121 | } | |
2122 | ||
77aa5901 | 2123 | /* get context ref */ |
53569322 MD |
2124 | OP(FILTER_OP_GET_CONTEXT_REF): |
2125 | { | |
2126 | struct load_op *insn = (struct load_op *) pc; | |
2127 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 MD |
2128 | struct lttng_ctx_field *ctx_field; |
2129 | struct lttng_ctx_value v; | |
2130 | ||
2131 | dbg_printf("get context ref offset %u type dynamic\n", | |
2132 | ref->offset); | |
53569322 MD |
2133 | ctx_field = &ctx->fields[ref->offset]; |
2134 | ctx_field->get_value(ctx_field, &v); | |
2135 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2136 | switch (v.sel) { | |
2137 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
2138 | ret = -EINVAL; | |
2139 | goto end; | |
2140 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
2141 | estack_ax_v = v.u.s64; | |
2142 | estack_ax_t = REG_S64; | |
2143 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
2144 | break; | |
2145 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
2146 | estack_ax(stack, top)->u.d = v.u.d; | |
2147 | estack_ax_t = REG_DOUBLE; | |
2148 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
2149 | break; | |
2150 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
2151 | estack_ax(stack, top)->u.s.str = v.u.str; | |
2152 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2153 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2154 | ret = -EINVAL; | |
2155 | goto end; | |
2156 | } | |
a63d0dc8 | 2157 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2158 | estack_ax(stack, top)->u.s.literal_type = |
2159 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 MD |
2160 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); |
2161 | estack_ax_t = REG_STRING; | |
2162 | break; | |
2163 | default: | |
2164 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
2165 | ret = -EINVAL; | |
2166 | goto end; | |
2167 | } | |
2168 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2169 | PO; | |
2170 | } | |
2171 | ||
77aa5901 MD |
2172 | OP(FILTER_OP_GET_CONTEXT_REF_STRING): |
2173 | { | |
2174 | struct load_op *insn = (struct load_op *) pc; | |
2175 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2176 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2177 | struct lttng_ctx_value v; |
77aa5901 MD |
2178 | |
2179 | dbg_printf("get context ref offset %u type string\n", | |
2180 | ref->offset); | |
53569322 | 2181 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2182 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2183 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2184 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 MD |
2185 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
2186 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2187 | ret = -EINVAL; | |
2188 | goto end; | |
2189 | } | |
a63d0dc8 | 2190 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2191 | estack_ax(stack, top)->u.s.literal_type = |
2192 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2193 | estack_ax_t = REG_STRING; |
77aa5901 MD |
2194 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
2195 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2196 | PO; | |
2197 | } | |
2198 | ||
2199 | OP(FILTER_OP_GET_CONTEXT_REF_S64): | |
2200 | { | |
2201 | struct load_op *insn = (struct load_op *) pc; | |
2202 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2203 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2204 | struct lttng_ctx_value v; |
77aa5901 MD |
2205 | |
2206 | dbg_printf("get context ref offset %u type s64\n", | |
2207 | ref->offset); | |
53569322 | 2208 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2209 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2210 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2211 | estack_ax_v = v.u.s64; | |
2212 | estack_ax_t = REG_S64; | |
77aa5901 MD |
2213 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
2214 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2215 | PO; | |
2216 | } | |
2217 | ||
2218 | OP(FILTER_OP_GET_CONTEXT_REF_DOUBLE): | |
2219 | { | |
2220 | struct load_op *insn = (struct load_op *) pc; | |
2221 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2222 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2223 | struct lttng_ctx_value v; |
77aa5901 MD |
2224 | |
2225 | dbg_printf("get context ref offset %u type double\n", | |
2226 | ref->offset); | |
53569322 | 2227 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2228 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2229 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2230 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
2231 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
2232 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
2233 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2234 | PO; | |
2235 | } | |
2236 | ||
47e5f13e MD |
2237 | OP(FILTER_OP_GET_CONTEXT_ROOT): |
2238 | { | |
2239 | dbg_printf("op get context root\n"); | |
2240 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2241 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_CONTEXT; | |
2242 | /* "field" only needed for variants. */ | |
2243 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2244 | estack_ax_t = REG_PTR; | |
2245 | next_pc += sizeof(struct load_op); | |
2246 | PO; | |
2247 | } | |
2248 | ||
2249 | OP(FILTER_OP_GET_APP_CONTEXT_ROOT): | |
2250 | { | |
2251 | dbg_printf("op get app context root\n"); | |
2252 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2253 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_APP_CONTEXT; | |
2254 | /* "field" only needed for variants. */ | |
2255 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2256 | estack_ax_t = REG_PTR; | |
2257 | next_pc += sizeof(struct load_op); | |
2258 | PO; | |
2259 | } | |
2260 | ||
2261 | OP(FILTER_OP_GET_PAYLOAD_ROOT): | |
2262 | { | |
2263 | dbg_printf("op get app payload root\n"); | |
2264 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2265 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_PAYLOAD; | |
f3503ba9 | 2266 | estack_ax(stack, top)->u.ptr.ptr = interpreter_stack_data; |
47e5f13e MD |
2267 | /* "field" only needed for variants. */ |
2268 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2269 | estack_ax_t = REG_PTR; | |
2270 | next_pc += sizeof(struct load_op); | |
2271 | PO; | |
2272 | } | |
2273 | ||
2274 | OP(FILTER_OP_GET_SYMBOL): | |
2275 | { | |
2276 | dbg_printf("op get symbol\n"); | |
2277 | switch (estack_ax(stack, top)->u.ptr.type) { | |
2278 | case LOAD_OBJECT: | |
2279 | ERR("Nested fields not implemented yet."); | |
2280 | ret = -EINVAL; | |
2281 | goto end; | |
2282 | case LOAD_ROOT_CONTEXT: | |
2283 | case LOAD_ROOT_APP_CONTEXT: | |
2284 | case LOAD_ROOT_PAYLOAD: | |
2285 | /* | |
2286 | * symbol lookup is performed by | |
2287 | * specialization. | |
2288 | */ | |
2289 | ret = -EINVAL; | |
2290 | goto end; | |
2291 | } | |
2292 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
2293 | PO; | |
2294 | } | |
2295 | ||
2296 | OP(FILTER_OP_GET_SYMBOL_FIELD): | |
2297 | { | |
2298 | /* | |
2299 | * Used for first variant encountered in a | |
2300 | * traversal. Variants are not implemented yet. | |
2301 | */ | |
2302 | ret = -EINVAL; | |
2303 | goto end; | |
2304 | } | |
2305 | ||
2306 | OP(FILTER_OP_GET_INDEX_U16): | |
2307 | { | |
2308 | struct load_op *insn = (struct load_op *) pc; | |
2309 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
2310 | ||
2311 | dbg_printf("op get index u16\n"); | |
b77aaa1b | 2312 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2313 | if (ret) |
2314 | goto end; | |
2315 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2316 | estack_ax_t = estack_ax(stack, top)->type; | |
2317 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
2318 | PO; | |
2319 | } | |
2320 | ||
2321 | OP(FILTER_OP_GET_INDEX_U64): | |
2322 | { | |
2323 | struct load_op *insn = (struct load_op *) pc; | |
2324 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
2325 | ||
2326 | dbg_printf("op get index u64\n"); | |
b77aaa1b | 2327 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2328 | if (ret) |
2329 | goto end; | |
2330 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2331 | estack_ax_t = estack_ax(stack, top)->type; | |
2332 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
2333 | PO; | |
2334 | } | |
2335 | ||
2336 | OP(FILTER_OP_LOAD_FIELD): | |
2337 | { | |
2338 | dbg_printf("op load field\n"); | |
2339 | ret = dynamic_load_field(estack_ax(stack, top)); | |
2340 | if (ret) | |
2341 | goto end; | |
2342 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2343 | estack_ax_t = estack_ax(stack, top)->type; | |
2344 | next_pc += sizeof(struct load_op); | |
2345 | PO; | |
2346 | } | |
2347 | ||
2348 | OP(FILTER_OP_LOAD_FIELD_S8): | |
2349 | { | |
2350 | dbg_printf("op load field s8\n"); | |
2351 | ||
2352 | estack_ax_v = *(int8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2353 | estack_ax_t = REG_S64; | |
2354 | next_pc += sizeof(struct load_op); | |
2355 | PO; | |
2356 | } | |
2357 | OP(FILTER_OP_LOAD_FIELD_S16): | |
2358 | { | |
2359 | dbg_printf("op load field s16\n"); | |
2360 | ||
2361 | estack_ax_v = *(int16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2362 | estack_ax_t = REG_S64; | |
2363 | next_pc += sizeof(struct load_op); | |
2364 | PO; | |
2365 | } | |
2366 | OP(FILTER_OP_LOAD_FIELD_S32): | |
2367 | { | |
2368 | dbg_printf("op load field s32\n"); | |
2369 | ||
2370 | estack_ax_v = *(int32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2371 | estack_ax_t = REG_S64; | |
2372 | next_pc += sizeof(struct load_op); | |
2373 | PO; | |
2374 | } | |
2375 | OP(FILTER_OP_LOAD_FIELD_S64): | |
2376 | { | |
2377 | dbg_printf("op load field s64\n"); | |
2378 | ||
2379 | estack_ax_v = *(int64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2380 | estack_ax_t = REG_S64; | |
2381 | next_pc += sizeof(struct load_op); | |
2382 | PO; | |
2383 | } | |
2384 | OP(FILTER_OP_LOAD_FIELD_U8): | |
2385 | { | |
2386 | dbg_printf("op load field u8\n"); | |
2387 | ||
2388 | estack_ax_v = *(uint8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2389 | estack_ax_t = REG_U64; |
47e5f13e MD |
2390 | next_pc += sizeof(struct load_op); |
2391 | PO; | |
2392 | } | |
2393 | OP(FILTER_OP_LOAD_FIELD_U16): | |
2394 | { | |
2395 | dbg_printf("op load field u16\n"); | |
2396 | ||
2397 | estack_ax_v = *(uint16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2398 | estack_ax_t = REG_U64; |
47e5f13e MD |
2399 | next_pc += sizeof(struct load_op); |
2400 | PO; | |
2401 | } | |
2402 | OP(FILTER_OP_LOAD_FIELD_U32): | |
2403 | { | |
2404 | dbg_printf("op load field u32\n"); | |
2405 | ||
2406 | estack_ax_v = *(uint32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2407 | estack_ax_t = REG_U64; |
47e5f13e MD |
2408 | next_pc += sizeof(struct load_op); |
2409 | PO; | |
2410 | } | |
2411 | OP(FILTER_OP_LOAD_FIELD_U64): | |
2412 | { | |
2413 | dbg_printf("op load field u64\n"); | |
2414 | ||
2415 | estack_ax_v = *(uint64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2416 | estack_ax_t = REG_U64; |
47e5f13e MD |
2417 | next_pc += sizeof(struct load_op); |
2418 | PO; | |
2419 | } | |
2420 | OP(FILTER_OP_LOAD_FIELD_DOUBLE): | |
2421 | { | |
2422 | dbg_printf("op load field double\n"); | |
2423 | ||
2424 | memcpy(&estack_ax(stack, top)->u.d, | |
2425 | estack_ax(stack, top)->u.ptr.ptr, | |
2426 | sizeof(struct literal_double)); | |
2427 | estack_ax(stack, top)->type = REG_DOUBLE; | |
2428 | next_pc += sizeof(struct load_op); | |
2429 | PO; | |
2430 | } | |
2431 | ||
2432 | OP(FILTER_OP_LOAD_FIELD_STRING): | |
2433 | { | |
2434 | const char *str; | |
2435 | ||
2436 | dbg_printf("op load field string\n"); | |
2437 | str = (const char *) estack_ax(stack, top)->u.ptr.ptr; | |
2438 | estack_ax(stack, top)->u.s.str = str; | |
2439 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2440 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2441 | ret = -EINVAL; | |
2442 | goto end; | |
2443 | } | |
2444 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; | |
2445 | estack_ax(stack, top)->u.s.literal_type = | |
2446 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2447 | estack_ax(stack, top)->type = REG_STRING; | |
2448 | next_pc += sizeof(struct load_op); | |
2449 | PO; | |
2450 | } | |
2451 | ||
2452 | OP(FILTER_OP_LOAD_FIELD_SEQUENCE): | |
2453 | { | |
2454 | const char *ptr; | |
2455 | ||
2456 | dbg_printf("op load field string sequence\n"); | |
2457 | ptr = estack_ax(stack, top)->u.ptr.ptr; | |
2458 | estack_ax(stack, top)->u.s.seq_len = *(unsigned long *) ptr; | |
2459 | estack_ax(stack, top)->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
2460 | estack_ax(stack, top)->type = REG_STRING; | |
2461 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2462 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
2463 | ret = -EINVAL; | |
2464 | goto end; | |
2465 | } | |
2466 | estack_ax(stack, top)->u.s.literal_type = | |
2467 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2468 | next_pc += sizeof(struct load_op); | |
2469 | PO; | |
2470 | } | |
2471 | ||
97b58163 MD |
2472 | END_OP |
2473 | end: | |
4526ba69 | 2474 | /* Return _DISCARD on error. */ |
97b58163 | 2475 | if (ret) |
4526ba69 | 2476 | return LTTNG_FILTER_DISCARD; |
f3503ba9 FD |
2477 | |
2478 | if (output) { | |
2479 | return lttng_bytecode_interpret_format_output(estack_ax(stack, top), | |
2480 | output); | |
2481 | } | |
2482 | ||
97b58163 MD |
2483 | return retval; |
2484 | } | |
2485 | ||
f3503ba9 FD |
2486 | uint64_t lttng_filter_interpret_bytecode(void *filter_data, |
2487 | const char *filter_stack_data) | |
2488 | { | |
2489 | return bytecode_interpret(filter_data, filter_stack_data, NULL); | |
2490 | } | |
2491 | ||
97b58163 MD |
2492 | #undef START_OP |
2493 | #undef OP | |
2494 | #undef PO | |
2495 | #undef END_OP |