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 | } | |
d312cd35 FD |
459 | |
460 | stack_top->type = REG_PTR; | |
461 | ||
47e5f13e MD |
462 | return 0; |
463 | ||
464 | end: | |
465 | return ret; | |
466 | } | |
467 | ||
468 | static int dynamic_load_field(struct estack_entry *stack_top) | |
469 | { | |
470 | int ret; | |
471 | ||
472 | switch (stack_top->u.ptr.type) { | |
473 | case LOAD_OBJECT: | |
474 | break; | |
475 | case LOAD_ROOT_CONTEXT: | |
476 | case LOAD_ROOT_APP_CONTEXT: | |
477 | case LOAD_ROOT_PAYLOAD: | |
478 | default: | |
479 | dbg_printf("Filter warning: cannot load root, missing field name.\n"); | |
480 | ret = -EINVAL; | |
481 | goto end; | |
482 | } | |
483 | switch (stack_top->u.ptr.object_type) { | |
484 | case OBJECT_TYPE_S8: | |
485 | dbg_printf("op load field s8\n"); | |
486 | stack_top->u.v = *(int8_t *) stack_top->u.ptr.ptr; | |
487 | stack_top->type = REG_S64; | |
488 | break; | |
489 | case OBJECT_TYPE_S16: | |
490 | { | |
491 | int16_t tmp; | |
492 | ||
493 | dbg_printf("op load field s16\n"); | |
494 | tmp = *(int16_t *) stack_top->u.ptr.ptr; | |
495 | if (stack_top->u.ptr.rev_bo) | |
496 | tmp = bswap_16(tmp); | |
497 | stack_top->u.v = tmp; | |
498 | stack_top->type = REG_S64; | |
499 | break; | |
500 | } | |
501 | case OBJECT_TYPE_S32: | |
502 | { | |
503 | int32_t tmp; | |
504 | ||
505 | dbg_printf("op load field s32\n"); | |
506 | tmp = *(int32_t *) stack_top->u.ptr.ptr; | |
507 | if (stack_top->u.ptr.rev_bo) | |
508 | tmp = bswap_32(tmp); | |
509 | stack_top->u.v = tmp; | |
510 | stack_top->type = REG_S64; | |
511 | break; | |
512 | } | |
513 | case OBJECT_TYPE_S64: | |
514 | { | |
515 | int64_t tmp; | |
516 | ||
517 | dbg_printf("op load field s64\n"); | |
518 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
519 | if (stack_top->u.ptr.rev_bo) | |
520 | tmp = bswap_64(tmp); | |
521 | stack_top->u.v = tmp; | |
522 | stack_top->type = REG_S64; | |
523 | break; | |
524 | } | |
525 | case OBJECT_TYPE_U8: | |
526 | dbg_printf("op load field u8\n"); | |
527 | stack_top->u.v = *(uint8_t *) stack_top->u.ptr.ptr; | |
d97f9b78 | 528 | stack_top->type = REG_U64; |
47e5f13e MD |
529 | break; |
530 | case OBJECT_TYPE_U16: | |
531 | { | |
532 | uint16_t tmp; | |
533 | ||
055d27d7 | 534 | dbg_printf("op load field u16\n"); |
47e5f13e MD |
535 | tmp = *(uint16_t *) stack_top->u.ptr.ptr; |
536 | if (stack_top->u.ptr.rev_bo) | |
537 | tmp = bswap_16(tmp); | |
538 | stack_top->u.v = tmp; | |
d97f9b78 | 539 | stack_top->type = REG_U64; |
47e5f13e MD |
540 | break; |
541 | } | |
542 | case OBJECT_TYPE_U32: | |
543 | { | |
544 | uint32_t tmp; | |
545 | ||
546 | dbg_printf("op load field u32\n"); | |
547 | tmp = *(uint32_t *) stack_top->u.ptr.ptr; | |
548 | if (stack_top->u.ptr.rev_bo) | |
549 | tmp = bswap_32(tmp); | |
550 | stack_top->u.v = tmp; | |
d97f9b78 | 551 | stack_top->type = REG_U64; |
47e5f13e MD |
552 | break; |
553 | } | |
554 | case OBJECT_TYPE_U64: | |
555 | { | |
556 | uint64_t tmp; | |
557 | ||
558 | dbg_printf("op load field u64\n"); | |
559 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
560 | if (stack_top->u.ptr.rev_bo) | |
561 | tmp = bswap_64(tmp); | |
562 | stack_top->u.v = tmp; | |
d97f9b78 | 563 | stack_top->type = REG_U64; |
47e5f13e MD |
564 | break; |
565 | } | |
566 | case OBJECT_TYPE_DOUBLE: | |
567 | memcpy(&stack_top->u.d, | |
568 | stack_top->u.ptr.ptr, | |
569 | sizeof(struct literal_double)); | |
570 | stack_top->type = REG_DOUBLE; | |
571 | break; | |
572 | case OBJECT_TYPE_STRING: | |
573 | { | |
574 | const char *str; | |
575 | ||
576 | dbg_printf("op load field string\n"); | |
577 | str = (const char *) stack_top->u.ptr.ptr; | |
578 | stack_top->u.s.str = str; | |
579 | if (unlikely(!stack_top->u.s.str)) { | |
580 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
581 | ret = -EINVAL; | |
582 | goto end; | |
583 | } | |
584 | stack_top->u.s.seq_len = SIZE_MAX; | |
585 | stack_top->u.s.literal_type = | |
586 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
587 | stack_top->type = REG_STRING; | |
588 | break; | |
589 | } | |
590 | case OBJECT_TYPE_STRING_SEQUENCE: | |
591 | { | |
592 | const char *ptr; | |
593 | ||
594 | dbg_printf("op load field string sequence\n"); | |
595 | ptr = stack_top->u.ptr.ptr; | |
596 | stack_top->u.s.seq_len = *(unsigned long *) ptr; | |
597 | stack_top->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
598 | stack_top->type = REG_STRING; | |
599 | if (unlikely(!stack_top->u.s.str)) { | |
600 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
601 | ret = -EINVAL; | |
602 | goto end; | |
603 | } | |
604 | stack_top->u.s.literal_type = | |
605 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
606 | break; | |
607 | } | |
608 | case OBJECT_TYPE_DYNAMIC: | |
609 | /* | |
610 | * Dynamic types in context are looked up | |
611 | * by context get index. | |
612 | */ | |
613 | ret = -EINVAL; | |
614 | goto end; | |
615 | case OBJECT_TYPE_SEQUENCE: | |
616 | case OBJECT_TYPE_ARRAY: | |
617 | case OBJECT_TYPE_STRUCT: | |
618 | case OBJECT_TYPE_VARIANT: | |
619 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
620 | ret = -EINVAL; | |
621 | goto end; | |
622 | } | |
623 | return 0; | |
624 | ||
625 | end: | |
626 | return ret; | |
627 | } | |
628 | ||
f3503ba9 FD |
629 | static |
630 | int lttng_bytecode_interpret_format_output(struct estack_entry *ax, | |
631 | struct lttng_interpreter_output *output) | |
632 | { | |
633 | int ret; | |
634 | ||
635 | again: | |
636 | switch (ax->type) { | |
637 | case REG_S64: | |
638 | output->type = LTTNG_INTERPRETER_TYPE_S64; | |
639 | output->u.s = ax->u.v; | |
640 | break; | |
641 | case REG_U64: | |
642 | output->type = LTTNG_INTERPRETER_TYPE_U64; | |
643 | output->u.u = (uint64_t) ax->u.v; | |
644 | break; | |
645 | case REG_DOUBLE: | |
646 | output->type = LTTNG_INTERPRETER_TYPE_DOUBLE; | |
647 | output->u.d = ax->u.d; | |
648 | break; | |
649 | case REG_STRING: | |
650 | output->type = LTTNG_INTERPRETER_TYPE_STRING; | |
651 | output->u.str.str = ax->u.s.str; | |
652 | output->u.str.len = ax->u.s.seq_len; | |
653 | break; | |
654 | case REG_PTR: | |
655 | switch (ax->u.ptr.object_type) { | |
656 | case OBJECT_TYPE_S8: | |
657 | case OBJECT_TYPE_S16: | |
658 | case OBJECT_TYPE_S32: | |
659 | case OBJECT_TYPE_S64: | |
660 | case OBJECT_TYPE_U8: | |
661 | case OBJECT_TYPE_U16: | |
662 | case OBJECT_TYPE_U32: | |
663 | case OBJECT_TYPE_U64: | |
664 | case OBJECT_TYPE_DOUBLE: | |
665 | case OBJECT_TYPE_STRING: | |
666 | case OBJECT_TYPE_STRING_SEQUENCE: | |
667 | ret = dynamic_load_field(ax); | |
668 | if (ret) | |
669 | return ret; | |
670 | /* Retry after loading ptr into stack top. */ | |
671 | goto again; | |
672 | case OBJECT_TYPE_SEQUENCE: | |
673 | output->type = LTTNG_INTERPRETER_TYPE_SEQUENCE; | |
674 | output->u.sequence.ptr = *(const char **) (ax->u.ptr.ptr + sizeof(unsigned long)); | |
675 | output->u.sequence.nr_elem = *(unsigned long *) ax->u.ptr.ptr; | |
676 | output->u.sequence.nested_type = ax->u.ptr.field->type.u.sequence_nestable.elem_type; | |
677 | break; | |
678 | case OBJECT_TYPE_ARRAY: | |
679 | /* Skip count (unsigned long) */ | |
680 | output->type = LTTNG_INTERPRETER_TYPE_SEQUENCE; | |
681 | output->u.sequence.ptr = *(const char **) (ax->u.ptr.ptr + sizeof(unsigned long)); | |
682 | output->u.sequence.nr_elem = ax->u.ptr.field->type.u.array_nestable.length; | |
683 | output->u.sequence.nested_type = ax->u.ptr.field->type.u.array_nestable.elem_type; | |
684 | break; | |
685 | case OBJECT_TYPE_STRUCT: | |
686 | case OBJECT_TYPE_VARIANT: | |
687 | default: | |
688 | return -EINVAL; | |
689 | } | |
690 | ||
691 | break; | |
692 | case REG_STAR_GLOB_STRING: | |
693 | case REG_UNKNOWN: | |
694 | default: | |
695 | return -EINVAL; | |
696 | } | |
697 | ||
698 | return LTTNG_FILTER_RECORD_FLAG; | |
699 | } | |
700 | ||
8a92ed2a MD |
701 | /* |
702 | * Return 0 (discard), or raise the 0x1 flag (log event). | |
703 | * Currently, other flags are kept for future extensions and have no | |
704 | * effect. | |
705 | */ | |
f3503ba9 FD |
706 | static |
707 | uint64_t bytecode_interpret(void *interpreter_data, | |
708 | const char *interpreter_stack_data, | |
709 | struct lttng_interpreter_output *output) | |
97b58163 | 710 | { |
f3503ba9 | 711 | struct bytecode_runtime *bytecode = interpreter_data; |
b77aaa1b | 712 | struct lttng_ctx *ctx = rcu_dereference(*bytecode->p.pctx); |
97b58163 MD |
713 | void *pc, *next_pc, *start_pc; |
714 | int ret = -EINVAL; | |
8b82df15 | 715 | uint64_t retval = 0; |
0305960f MD |
716 | struct estack _stack; |
717 | struct estack *stack = &_stack; | |
9b33aac4 | 718 | register int64_t ax = 0, bx = 0; |
53569322 | 719 | register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; |
9b33aac4 | 720 | register int top = FILTER_STACK_EMPTY; |
97b58163 MD |
721 | #ifndef INTERPRETER_USE_SWITCH |
722 | static void *dispatch[NR_FILTER_OPS] = { | |
723 | [ FILTER_OP_UNKNOWN ] = &&LABEL_FILTER_OP_UNKNOWN, | |
724 | ||
725 | [ FILTER_OP_RETURN ] = &&LABEL_FILTER_OP_RETURN, | |
726 | ||
727 | /* binary */ | |
728 | [ FILTER_OP_MUL ] = &&LABEL_FILTER_OP_MUL, | |
729 | [ FILTER_OP_DIV ] = &&LABEL_FILTER_OP_DIV, | |
730 | [ FILTER_OP_MOD ] = &&LABEL_FILTER_OP_MOD, | |
731 | [ FILTER_OP_PLUS ] = &&LABEL_FILTER_OP_PLUS, | |
732 | [ FILTER_OP_MINUS ] = &&LABEL_FILTER_OP_MINUS, | |
0039e2d8 MD |
733 | [ FILTER_OP_BIT_RSHIFT ] = &&LABEL_FILTER_OP_BIT_RSHIFT, |
734 | [ FILTER_OP_BIT_LSHIFT ] = &&LABEL_FILTER_OP_BIT_LSHIFT, | |
47e5f13e MD |
735 | [ FILTER_OP_BIT_AND ] = &&LABEL_FILTER_OP_BIT_AND, |
736 | [ FILTER_OP_BIT_OR ] = &&LABEL_FILTER_OP_BIT_OR, | |
737 | [ FILTER_OP_BIT_XOR ] = &&LABEL_FILTER_OP_BIT_XOR, | |
97b58163 MD |
738 | |
739 | /* binary comparators */ | |
740 | [ FILTER_OP_EQ ] = &&LABEL_FILTER_OP_EQ, | |
741 | [ FILTER_OP_NE ] = &&LABEL_FILTER_OP_NE, | |
742 | [ FILTER_OP_GT ] = &&LABEL_FILTER_OP_GT, | |
743 | [ FILTER_OP_LT ] = &&LABEL_FILTER_OP_LT, | |
744 | [ FILTER_OP_GE ] = &&LABEL_FILTER_OP_GE, | |
745 | [ FILTER_OP_LE ] = &&LABEL_FILTER_OP_LE, | |
746 | ||
747 | /* string binary comparator */ | |
748 | [ FILTER_OP_EQ_STRING ] = &&LABEL_FILTER_OP_EQ_STRING, | |
749 | [ FILTER_OP_NE_STRING ] = &&LABEL_FILTER_OP_NE_STRING, | |
750 | [ FILTER_OP_GT_STRING ] = &&LABEL_FILTER_OP_GT_STRING, | |
751 | [ FILTER_OP_LT_STRING ] = &&LABEL_FILTER_OP_LT_STRING, | |
752 | [ FILTER_OP_GE_STRING ] = &&LABEL_FILTER_OP_GE_STRING, | |
753 | [ FILTER_OP_LE_STRING ] = &&LABEL_FILTER_OP_LE_STRING, | |
754 | ||
3151a51d PP |
755 | /* globbing pattern binary comparator */ |
756 | [ FILTER_OP_EQ_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_EQ_STAR_GLOB_STRING, | |
757 | [ FILTER_OP_NE_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_NE_STAR_GLOB_STRING, | |
758 | ||
97b58163 MD |
759 | /* s64 binary comparator */ |
760 | [ FILTER_OP_EQ_S64 ] = &&LABEL_FILTER_OP_EQ_S64, | |
761 | [ FILTER_OP_NE_S64 ] = &&LABEL_FILTER_OP_NE_S64, | |
762 | [ FILTER_OP_GT_S64 ] = &&LABEL_FILTER_OP_GT_S64, | |
763 | [ FILTER_OP_LT_S64 ] = &&LABEL_FILTER_OP_LT_S64, | |
764 | [ FILTER_OP_GE_S64 ] = &&LABEL_FILTER_OP_GE_S64, | |
765 | [ FILTER_OP_LE_S64 ] = &&LABEL_FILTER_OP_LE_S64, | |
766 | ||
767 | /* double binary comparator */ | |
768 | [ FILTER_OP_EQ_DOUBLE ] = &&LABEL_FILTER_OP_EQ_DOUBLE, | |
769 | [ FILTER_OP_NE_DOUBLE ] = &&LABEL_FILTER_OP_NE_DOUBLE, | |
770 | [ FILTER_OP_GT_DOUBLE ] = &&LABEL_FILTER_OP_GT_DOUBLE, | |
771 | [ FILTER_OP_LT_DOUBLE ] = &&LABEL_FILTER_OP_LT_DOUBLE, | |
772 | [ FILTER_OP_GE_DOUBLE ] = &&LABEL_FILTER_OP_GE_DOUBLE, | |
773 | [ FILTER_OP_LE_DOUBLE ] = &&LABEL_FILTER_OP_LE_DOUBLE, | |
774 | ||
dbea82ec MD |
775 | /* Mixed S64-double binary comparators */ |
776 | [ FILTER_OP_EQ_DOUBLE_S64 ] = &&LABEL_FILTER_OP_EQ_DOUBLE_S64, | |
777 | [ FILTER_OP_NE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_NE_DOUBLE_S64, | |
778 | [ FILTER_OP_GT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GT_DOUBLE_S64, | |
779 | [ FILTER_OP_LT_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LT_DOUBLE_S64, | |
780 | [ FILTER_OP_GE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_GE_DOUBLE_S64, | |
781 | [ FILTER_OP_LE_DOUBLE_S64 ] = &&LABEL_FILTER_OP_LE_DOUBLE_S64, | |
782 | ||
783 | [ FILTER_OP_EQ_S64_DOUBLE ] = &&LABEL_FILTER_OP_EQ_S64_DOUBLE, | |
784 | [ FILTER_OP_NE_S64_DOUBLE ] = &&LABEL_FILTER_OP_NE_S64_DOUBLE, | |
785 | [ FILTER_OP_GT_S64_DOUBLE ] = &&LABEL_FILTER_OP_GT_S64_DOUBLE, | |
786 | [ FILTER_OP_LT_S64_DOUBLE ] = &&LABEL_FILTER_OP_LT_S64_DOUBLE, | |
787 | [ FILTER_OP_GE_S64_DOUBLE ] = &&LABEL_FILTER_OP_GE_S64_DOUBLE, | |
788 | [ FILTER_OP_LE_S64_DOUBLE ] = &&LABEL_FILTER_OP_LE_S64_DOUBLE, | |
789 | ||
97b58163 MD |
790 | /* unary */ |
791 | [ FILTER_OP_UNARY_PLUS ] = &&LABEL_FILTER_OP_UNARY_PLUS, | |
792 | [ FILTER_OP_UNARY_MINUS ] = &&LABEL_FILTER_OP_UNARY_MINUS, | |
793 | [ FILTER_OP_UNARY_NOT ] = &&LABEL_FILTER_OP_UNARY_NOT, | |
794 | [ FILTER_OP_UNARY_PLUS_S64 ] = &&LABEL_FILTER_OP_UNARY_PLUS_S64, | |
795 | [ FILTER_OP_UNARY_MINUS_S64 ] = &&LABEL_FILTER_OP_UNARY_MINUS_S64, | |
796 | [ FILTER_OP_UNARY_NOT_S64 ] = &&LABEL_FILTER_OP_UNARY_NOT_S64, | |
797 | [ FILTER_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_PLUS_DOUBLE, | |
798 | [ FILTER_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_MINUS_DOUBLE, | |
799 | [ FILTER_OP_UNARY_NOT_DOUBLE ] = &&LABEL_FILTER_OP_UNARY_NOT_DOUBLE, | |
800 | ||
801 | /* logical */ | |
802 | [ FILTER_OP_AND ] = &&LABEL_FILTER_OP_AND, | |
803 | [ FILTER_OP_OR ] = &&LABEL_FILTER_OP_OR, | |
804 | ||
77aa5901 | 805 | /* load field ref */ |
97b58163 MD |
806 | [ FILTER_OP_LOAD_FIELD_REF ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF, |
807 | [ FILTER_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_STRING, | |
808 | [ FILTER_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_SEQUENCE, | |
809 | [ FILTER_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_S64, | |
810 | [ FILTER_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_REF_DOUBLE, | |
811 | ||
77aa5901 | 812 | /* load from immediate operand */ |
97b58163 | 813 | [ FILTER_OP_LOAD_STRING ] = &&LABEL_FILTER_OP_LOAD_STRING, |
3151a51d | 814 | [ FILTER_OP_LOAD_STAR_GLOB_STRING ] = &&LABEL_FILTER_OP_LOAD_STAR_GLOB_STRING, |
97b58163 MD |
815 | [ FILTER_OP_LOAD_S64 ] = &&LABEL_FILTER_OP_LOAD_S64, |
816 | [ FILTER_OP_LOAD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_DOUBLE, | |
817 | ||
818 | /* cast */ | |
819 | [ FILTER_OP_CAST_TO_S64 ] = &&LABEL_FILTER_OP_CAST_TO_S64, | |
820 | [ FILTER_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_FILTER_OP_CAST_DOUBLE_TO_S64, | |
821 | [ FILTER_OP_CAST_NOP ] = &&LABEL_FILTER_OP_CAST_NOP, | |
77aa5901 MD |
822 | |
823 | /* get context ref */ | |
824 | [ FILTER_OP_GET_CONTEXT_REF ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF, | |
825 | [ FILTER_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_STRING, | |
826 | [ FILTER_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_S64, | |
827 | [ FILTER_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_FILTER_OP_GET_CONTEXT_REF_DOUBLE, | |
47e5f13e MD |
828 | |
829 | /* Instructions for recursive traversal through composed types. */ | |
830 | [ FILTER_OP_GET_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_CONTEXT_ROOT, | |
831 | [ FILTER_OP_GET_APP_CONTEXT_ROOT ] = &&LABEL_FILTER_OP_GET_APP_CONTEXT_ROOT, | |
832 | [ FILTER_OP_GET_PAYLOAD_ROOT ] = &&LABEL_FILTER_OP_GET_PAYLOAD_ROOT, | |
833 | ||
834 | [ FILTER_OP_GET_SYMBOL ] = &&LABEL_FILTER_OP_GET_SYMBOL, | |
835 | [ FILTER_OP_GET_SYMBOL_FIELD ] = &&LABEL_FILTER_OP_GET_SYMBOL_FIELD, | |
836 | [ FILTER_OP_GET_INDEX_U16 ] = &&LABEL_FILTER_OP_GET_INDEX_U16, | |
837 | [ FILTER_OP_GET_INDEX_U64 ] = &&LABEL_FILTER_OP_GET_INDEX_U64, | |
838 | ||
839 | [ FILTER_OP_LOAD_FIELD ] = &&LABEL_FILTER_OP_LOAD_FIELD, | |
840 | [ FILTER_OP_LOAD_FIELD_S8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S8, | |
841 | [ FILTER_OP_LOAD_FIELD_S16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S16, | |
842 | [ FILTER_OP_LOAD_FIELD_S32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S32, | |
843 | [ FILTER_OP_LOAD_FIELD_S64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_S64, | |
844 | [ FILTER_OP_LOAD_FIELD_U8 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U8, | |
845 | [ FILTER_OP_LOAD_FIELD_U16 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U16, | |
846 | [ FILTER_OP_LOAD_FIELD_U32 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U32, | |
847 | [ FILTER_OP_LOAD_FIELD_U64 ] = &&LABEL_FILTER_OP_LOAD_FIELD_U64, | |
848 | [ FILTER_OP_LOAD_FIELD_STRING ] = &&LABEL_FILTER_OP_LOAD_FIELD_STRING, | |
849 | [ FILTER_OP_LOAD_FIELD_SEQUENCE ] = &&LABEL_FILTER_OP_LOAD_FIELD_SEQUENCE, | |
850 | [ FILTER_OP_LOAD_FIELD_DOUBLE ] = &&LABEL_FILTER_OP_LOAD_FIELD_DOUBLE, | |
0039e2d8 MD |
851 | |
852 | [ FILTER_OP_UNARY_BIT_NOT ] = &&LABEL_FILTER_OP_UNARY_BIT_NOT, | |
93c591bb MD |
853 | |
854 | [ FILTER_OP_RETURN_S64 ] = &&LABEL_FILTER_OP_RETURN_S64, | |
97b58163 MD |
855 | }; |
856 | #endif /* #ifndef INTERPRETER_USE_SWITCH */ | |
857 | ||
858 | START_OP | |
859 | ||
860 | OP(FILTER_OP_UNKNOWN): | |
861 | OP(FILTER_OP_LOAD_FIELD_REF): | |
862 | #ifdef INTERPRETER_USE_SWITCH | |
863 | default: | |
864 | #endif /* INTERPRETER_USE_SWITCH */ | |
47e5f13e | 865 | ERR("unknown bytecode op %u", |
97b58163 MD |
866 | (unsigned int) *(filter_opcode_t *) pc); |
867 | ret = -EINVAL; | |
868 | goto end; | |
869 | ||
870 | OP(FILTER_OP_RETURN): | |
4526ba69 | 871 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
47e5f13e MD |
872 | /* Handle dynamic typing. */ |
873 | switch (estack_ax_t) { | |
874 | case REG_S64: | |
d97f9b78 | 875 | case REG_U64: |
47e5f13e MD |
876 | retval = !!estack_ax_v; |
877 | break; | |
878 | case REG_DOUBLE: | |
879 | case REG_STRING: | |
f3503ba9 FD |
880 | case REG_PTR: |
881 | if (!output) { | |
882 | ret = -EINVAL; | |
883 | goto end; | |
884 | } | |
885 | retval = 0; | |
886 | break; | |
47e5f13e | 887 | case REG_STAR_GLOB_STRING: |
f3503ba9 | 888 | case REG_UNKNOWN: |
47e5f13e MD |
889 | default: |
890 | ret = -EINVAL; | |
891 | goto end; | |
892 | } | |
97b58163 MD |
893 | ret = 0; |
894 | goto end; | |
895 | ||
93c591bb | 896 | OP(FILTER_OP_RETURN_S64): |
4526ba69 | 897 | /* LTTNG_FILTER_DISCARD or LTTNG_FILTER_RECORD_FLAG */ |
93c591bb MD |
898 | retval = !!estack_ax_v; |
899 | ret = 0; | |
900 | goto end; | |
901 | ||
97b58163 MD |
902 | /* binary */ |
903 | OP(FILTER_OP_MUL): | |
904 | OP(FILTER_OP_DIV): | |
905 | OP(FILTER_OP_MOD): | |
906 | OP(FILTER_OP_PLUS): | |
907 | OP(FILTER_OP_MINUS): | |
47e5f13e | 908 | ERR("unsupported bytecode op %u", |
97b58163 MD |
909 | (unsigned int) *(filter_opcode_t *) pc); |
910 | ret = -EINVAL; | |
911 | goto end; | |
912 | ||
913 | OP(FILTER_OP_EQ): | |
53569322 MD |
914 | { |
915 | /* Dynamic typing. */ | |
916 | switch (estack_ax_t) { | |
d97f9b78 MD |
917 | case REG_S64: /* Fall-through */ |
918 | case REG_U64: | |
53569322 | 919 | switch (estack_bx_t) { |
d97f9b78 MD |
920 | case REG_S64: /* Fall-through */ |
921 | case REG_U64: | |
53569322 MD |
922 | JUMP_TO(FILTER_OP_EQ_S64); |
923 | case REG_DOUBLE: | |
924 | JUMP_TO(FILTER_OP_EQ_DOUBLE_S64); | |
3151a51d PP |
925 | case REG_STRING: /* Fall-through */ |
926 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
927 | ret = -EINVAL; |
928 | goto end; | |
929 | default: | |
930 | ERR("Unknown filter register type (%d)", | |
931 | (int) estack_bx_t); | |
932 | ret = -EINVAL; | |
933 | goto end; | |
934 | } | |
935 | break; | |
936 | case REG_DOUBLE: | |
937 | switch (estack_bx_t) { | |
d97f9b78 MD |
938 | case REG_S64: /* Fall-through */ |
939 | case REG_U64: | |
53569322 MD |
940 | JUMP_TO(FILTER_OP_EQ_S64_DOUBLE); |
941 | case REG_DOUBLE: | |
942 | JUMP_TO(FILTER_OP_EQ_DOUBLE); | |
3151a51d PP |
943 | case REG_STRING: /* Fall-through */ |
944 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
945 | ret = -EINVAL; |
946 | goto end; | |
947 | default: | |
948 | ERR("Unknown filter register type (%d)", | |
949 | (int) estack_bx_t); | |
950 | ret = -EINVAL; | |
951 | goto end; | |
952 | } | |
953 | break; | |
954 | case REG_STRING: | |
955 | switch (estack_bx_t) { | |
956 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 957 | case REG_U64: /* Fall-through */ |
53569322 MD |
958 | case REG_DOUBLE: |
959 | ret = -EINVAL; | |
960 | goto end; | |
961 | case REG_STRING: | |
962 | JUMP_TO(FILTER_OP_EQ_STRING); | |
3151a51d PP |
963 | case REG_STAR_GLOB_STRING: |
964 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
965 | default: | |
966 | ERR("Unknown filter register type (%d)", | |
967 | (int) estack_bx_t); | |
968 | ret = -EINVAL; | |
969 | goto end; | |
970 | } | |
971 | break; | |
972 | case REG_STAR_GLOB_STRING: | |
973 | switch (estack_bx_t) { | |
974 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 975 | case REG_U64: /* Fall-through */ |
3151a51d PP |
976 | case REG_DOUBLE: |
977 | ret = -EINVAL; | |
978 | goto end; | |
979 | case REG_STRING: | |
980 | JUMP_TO(FILTER_OP_EQ_STAR_GLOB_STRING); | |
981 | case REG_STAR_GLOB_STRING: | |
982 | ret = -EINVAL; | |
983 | goto end; | |
53569322 MD |
984 | default: |
985 | ERR("Unknown filter register type (%d)", | |
986 | (int) estack_bx_t); | |
987 | ret = -EINVAL; | |
988 | goto end; | |
989 | } | |
990 | break; | |
991 | default: | |
992 | ERR("Unknown filter register type (%d)", | |
993 | (int) estack_ax_t); | |
994 | ret = -EINVAL; | |
995 | goto end; | |
996 | } | |
997 | } | |
97b58163 | 998 | OP(FILTER_OP_NE): |
53569322 MD |
999 | { |
1000 | /* Dynamic typing. */ | |
1001 | switch (estack_ax_t) { | |
d97f9b78 MD |
1002 | case REG_S64: /* Fall-through */ |
1003 | case REG_U64: | |
53569322 | 1004 | switch (estack_bx_t) { |
d97f9b78 MD |
1005 | case REG_S64: /* Fall-through */ |
1006 | case REG_U64: | |
53569322 MD |
1007 | JUMP_TO(FILTER_OP_NE_S64); |
1008 | case REG_DOUBLE: | |
1009 | JUMP_TO(FILTER_OP_NE_DOUBLE_S64); | |
3151a51d PP |
1010 | case REG_STRING: /* Fall-through */ |
1011 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1012 | ret = -EINVAL; |
1013 | goto end; | |
1014 | default: | |
1015 | ERR("Unknown filter register type (%d)", | |
1016 | (int) estack_bx_t); | |
1017 | ret = -EINVAL; | |
1018 | goto end; | |
1019 | } | |
1020 | break; | |
1021 | case REG_DOUBLE: | |
1022 | switch (estack_bx_t) { | |
d97f9b78 MD |
1023 | case REG_S64: /* Fall-through */ |
1024 | case REG_U64: | |
53569322 MD |
1025 | JUMP_TO(FILTER_OP_NE_S64_DOUBLE); |
1026 | case REG_DOUBLE: | |
1027 | JUMP_TO(FILTER_OP_NE_DOUBLE); | |
3151a51d PP |
1028 | case REG_STRING: /* Fall-through */ |
1029 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1030 | ret = -EINVAL; |
1031 | goto end; | |
1032 | default: | |
1033 | ERR("Unknown filter register type (%d)", | |
1034 | (int) estack_bx_t); | |
1035 | ret = -EINVAL; | |
1036 | goto end; | |
1037 | } | |
1038 | break; | |
1039 | case REG_STRING: | |
1040 | switch (estack_bx_t) { | |
1041 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1042 | case REG_U64: |
53569322 MD |
1043 | case REG_DOUBLE: |
1044 | ret = -EINVAL; | |
1045 | goto end; | |
1046 | case REG_STRING: | |
1047 | JUMP_TO(FILTER_OP_NE_STRING); | |
3151a51d PP |
1048 | case REG_STAR_GLOB_STRING: |
1049 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
1050 | default: | |
1051 | ERR("Unknown filter register type (%d)", | |
1052 | (int) estack_bx_t); | |
1053 | ret = -EINVAL; | |
1054 | goto end; | |
1055 | } | |
1056 | break; | |
1057 | case REG_STAR_GLOB_STRING: | |
1058 | switch (estack_bx_t) { | |
1059 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1060 | case REG_U64: |
3151a51d PP |
1061 | case REG_DOUBLE: |
1062 | ret = -EINVAL; | |
1063 | goto end; | |
1064 | case REG_STRING: | |
1065 | JUMP_TO(FILTER_OP_NE_STAR_GLOB_STRING); | |
1066 | case REG_STAR_GLOB_STRING: | |
1067 | ret = -EINVAL; | |
1068 | goto end; | |
53569322 MD |
1069 | default: |
1070 | ERR("Unknown filter register type (%d)", | |
1071 | (int) estack_bx_t); | |
1072 | ret = -EINVAL; | |
1073 | goto end; | |
1074 | } | |
1075 | break; | |
1076 | default: | |
1077 | ERR("Unknown filter register type (%d)", | |
1078 | (int) estack_ax_t); | |
1079 | ret = -EINVAL; | |
1080 | goto end; | |
1081 | } | |
1082 | } | |
97b58163 | 1083 | OP(FILTER_OP_GT): |
53569322 MD |
1084 | { |
1085 | /* Dynamic typing. */ | |
1086 | switch (estack_ax_t) { | |
d97f9b78 MD |
1087 | case REG_S64: /* Fall-through */ |
1088 | case REG_U64: | |
53569322 | 1089 | switch (estack_bx_t) { |
d97f9b78 MD |
1090 | case REG_S64: /* Fall-through */ |
1091 | case REG_U64: | |
53569322 MD |
1092 | JUMP_TO(FILTER_OP_GT_S64); |
1093 | case REG_DOUBLE: | |
1094 | JUMP_TO(FILTER_OP_GT_DOUBLE_S64); | |
3151a51d PP |
1095 | case REG_STRING: /* Fall-through */ |
1096 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1097 | ret = -EINVAL; |
1098 | goto end; | |
1099 | default: | |
1100 | ERR("Unknown filter register type (%d)", | |
1101 | (int) estack_bx_t); | |
1102 | ret = -EINVAL; | |
1103 | goto end; | |
1104 | } | |
1105 | break; | |
1106 | case REG_DOUBLE: | |
1107 | switch (estack_bx_t) { | |
d97f9b78 MD |
1108 | case REG_S64: /* Fall-through */ |
1109 | case REG_U64: | |
53569322 MD |
1110 | JUMP_TO(FILTER_OP_GT_S64_DOUBLE); |
1111 | case REG_DOUBLE: | |
1112 | JUMP_TO(FILTER_OP_GT_DOUBLE); | |
3151a51d PP |
1113 | case REG_STRING: /* Fall-through */ |
1114 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1115 | ret = -EINVAL; |
1116 | goto end; | |
1117 | default: | |
1118 | ERR("Unknown filter register type (%d)", | |
1119 | (int) estack_bx_t); | |
1120 | ret = -EINVAL; | |
1121 | goto end; | |
1122 | } | |
1123 | break; | |
1124 | case REG_STRING: | |
1125 | switch (estack_bx_t) { | |
1126 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1127 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1128 | case REG_DOUBLE: /* Fall-through */ |
1129 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1130 | ret = -EINVAL; |
1131 | goto end; | |
1132 | case REG_STRING: | |
1133 | JUMP_TO(FILTER_OP_GT_STRING); | |
1134 | default: | |
1135 | ERR("Unknown filter register type (%d)", | |
1136 | (int) estack_bx_t); | |
1137 | ret = -EINVAL; | |
1138 | goto end; | |
1139 | } | |
1140 | break; | |
1141 | default: | |
1142 | ERR("Unknown filter register type (%d)", | |
1143 | (int) estack_ax_t); | |
1144 | ret = -EINVAL; | |
1145 | goto end; | |
1146 | } | |
1147 | } | |
97b58163 | 1148 | OP(FILTER_OP_LT): |
53569322 MD |
1149 | { |
1150 | /* Dynamic typing. */ | |
1151 | switch (estack_ax_t) { | |
d97f9b78 MD |
1152 | case REG_S64: /* Fall-through */ |
1153 | case REG_U64: | |
53569322 | 1154 | switch (estack_bx_t) { |
d97f9b78 MD |
1155 | case REG_S64: /* Fall-through */ |
1156 | case REG_U64: | |
53569322 MD |
1157 | JUMP_TO(FILTER_OP_LT_S64); |
1158 | case REG_DOUBLE: | |
1159 | JUMP_TO(FILTER_OP_LT_DOUBLE_S64); | |
3151a51d PP |
1160 | case REG_STRING: /* Fall-through */ |
1161 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1162 | ret = -EINVAL; |
1163 | goto end; | |
1164 | default: | |
1165 | ERR("Unknown filter register type (%d)", | |
1166 | (int) estack_bx_t); | |
1167 | ret = -EINVAL; | |
1168 | goto end; | |
1169 | } | |
1170 | break; | |
1171 | case REG_DOUBLE: | |
1172 | switch (estack_bx_t) { | |
d97f9b78 MD |
1173 | case REG_S64: /* Fall-through */ |
1174 | case REG_U64: | |
53569322 MD |
1175 | JUMP_TO(FILTER_OP_LT_S64_DOUBLE); |
1176 | case REG_DOUBLE: | |
1177 | JUMP_TO(FILTER_OP_LT_DOUBLE); | |
3151a51d PP |
1178 | case REG_STRING: /* Fall-through */ |
1179 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1180 | ret = -EINVAL; |
1181 | goto end; | |
1182 | default: | |
1183 | ERR("Unknown filter register type (%d)", | |
1184 | (int) estack_bx_t); | |
1185 | ret = -EINVAL; | |
1186 | goto end; | |
1187 | } | |
1188 | break; | |
1189 | case REG_STRING: | |
1190 | switch (estack_bx_t) { | |
1191 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1192 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1193 | case REG_DOUBLE: /* Fall-through */ |
1194 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1195 | ret = -EINVAL; |
1196 | goto end; | |
1197 | case REG_STRING: | |
1198 | JUMP_TO(FILTER_OP_LT_STRING); | |
1199 | default: | |
1200 | ERR("Unknown filter register type (%d)", | |
1201 | (int) estack_bx_t); | |
1202 | ret = -EINVAL; | |
1203 | goto end; | |
1204 | } | |
1205 | break; | |
1206 | default: | |
1207 | ERR("Unknown filter register type (%d)", | |
1208 | (int) estack_ax_t); | |
1209 | ret = -EINVAL; | |
1210 | goto end; | |
1211 | } | |
1212 | } | |
97b58163 | 1213 | OP(FILTER_OP_GE): |
53569322 MD |
1214 | { |
1215 | /* Dynamic typing. */ | |
1216 | switch (estack_ax_t) { | |
d97f9b78 MD |
1217 | case REG_S64: /* Fall-through */ |
1218 | case REG_U64: | |
53569322 | 1219 | switch (estack_bx_t) { |
d97f9b78 MD |
1220 | case REG_S64: /* Fall-through */ |
1221 | case REG_U64: | |
53569322 MD |
1222 | JUMP_TO(FILTER_OP_GE_S64); |
1223 | case REG_DOUBLE: | |
1224 | JUMP_TO(FILTER_OP_GE_DOUBLE_S64); | |
3151a51d PP |
1225 | case REG_STRING: /* Fall-through */ |
1226 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1227 | ret = -EINVAL; |
1228 | goto end; | |
1229 | default: | |
1230 | ERR("Unknown filter register type (%d)", | |
1231 | (int) estack_bx_t); | |
1232 | ret = -EINVAL; | |
1233 | goto end; | |
1234 | } | |
1235 | break; | |
1236 | case REG_DOUBLE: | |
1237 | switch (estack_bx_t) { | |
d97f9b78 MD |
1238 | case REG_S64: /* Fall-through */ |
1239 | case REG_U64: | |
53569322 MD |
1240 | JUMP_TO(FILTER_OP_GE_S64_DOUBLE); |
1241 | case REG_DOUBLE: | |
1242 | JUMP_TO(FILTER_OP_GE_DOUBLE); | |
3151a51d PP |
1243 | case REG_STRING: /* Fall-through */ |
1244 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1245 | ret = -EINVAL; |
1246 | goto end; | |
1247 | default: | |
1248 | ERR("Unknown filter register type (%d)", | |
1249 | (int) estack_bx_t); | |
1250 | ret = -EINVAL; | |
1251 | goto end; | |
1252 | } | |
1253 | break; | |
1254 | case REG_STRING: | |
1255 | switch (estack_bx_t) { | |
1256 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1257 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1258 | case REG_DOUBLE: /* Fall-through */ |
1259 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1260 | ret = -EINVAL; |
1261 | goto end; | |
1262 | case REG_STRING: | |
1263 | JUMP_TO(FILTER_OP_GE_STRING); | |
1264 | default: | |
1265 | ERR("Unknown filter register type (%d)", | |
1266 | (int) estack_bx_t); | |
1267 | ret = -EINVAL; | |
1268 | goto end; | |
1269 | } | |
1270 | break; | |
1271 | default: | |
1272 | ERR("Unknown filter register type (%d)", | |
1273 | (int) estack_ax_t); | |
1274 | ret = -EINVAL; | |
1275 | goto end; | |
1276 | } | |
1277 | } | |
97b58163 | 1278 | OP(FILTER_OP_LE): |
53569322 MD |
1279 | { |
1280 | /* Dynamic typing. */ | |
1281 | switch (estack_ax_t) { | |
d97f9b78 MD |
1282 | case REG_S64: /* Fall-through */ |
1283 | case REG_U64: | |
53569322 | 1284 | switch (estack_bx_t) { |
d97f9b78 MD |
1285 | case REG_S64: /* Fall-through */ |
1286 | case REG_U64: | |
53569322 MD |
1287 | JUMP_TO(FILTER_OP_LE_S64); |
1288 | case REG_DOUBLE: | |
1289 | JUMP_TO(FILTER_OP_LE_DOUBLE_S64); | |
3151a51d PP |
1290 | case REG_STRING: /* Fall-through */ |
1291 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1292 | ret = -EINVAL; |
1293 | goto end; | |
1294 | default: | |
1295 | ERR("Unknown filter register type (%d)", | |
1296 | (int) estack_bx_t); | |
1297 | ret = -EINVAL; | |
1298 | goto end; | |
1299 | } | |
1300 | break; | |
1301 | case REG_DOUBLE: | |
1302 | switch (estack_bx_t) { | |
d97f9b78 MD |
1303 | case REG_S64: /* Fall-through */ |
1304 | case REG_U64: | |
53569322 MD |
1305 | JUMP_TO(FILTER_OP_LE_S64_DOUBLE); |
1306 | case REG_DOUBLE: | |
1307 | JUMP_TO(FILTER_OP_LE_DOUBLE); | |
3151a51d PP |
1308 | case REG_STRING: /* Fall-through */ |
1309 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1310 | ret = -EINVAL; |
1311 | goto end; | |
1312 | default: | |
1313 | ERR("Unknown filter register type (%d)", | |
1314 | (int) estack_bx_t); | |
1315 | ret = -EINVAL; | |
1316 | goto end; | |
1317 | } | |
1318 | break; | |
1319 | case REG_STRING: | |
1320 | switch (estack_bx_t) { | |
1321 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1322 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1323 | case REG_DOUBLE: /* Fall-through */ |
1324 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1325 | ret = -EINVAL; |
1326 | goto end; | |
1327 | case REG_STRING: | |
1328 | JUMP_TO(FILTER_OP_LE_STRING); | |
1329 | default: | |
1330 | ERR("Unknown filter register type (%d)", | |
1331 | (int) estack_bx_t); | |
1332 | ret = -EINVAL; | |
1333 | goto end; | |
1334 | } | |
1335 | break; | |
1336 | default: | |
1337 | ERR("Unknown filter register type (%d)", | |
1338 | (int) estack_ax_t); | |
1339 | ret = -EINVAL; | |
1340 | goto end; | |
1341 | } | |
1342 | } | |
97b58163 MD |
1343 | |
1344 | OP(FILTER_OP_EQ_STRING): | |
1345 | { | |
0305960f MD |
1346 | int res; |
1347 | ||
9b33aac4 | 1348 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 1349 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1350 | estack_ax_v = res; |
53569322 | 1351 | estack_ax_t = REG_S64; |
97b58163 MD |
1352 | next_pc += sizeof(struct binary_op); |
1353 | PO; | |
1354 | } | |
1355 | OP(FILTER_OP_NE_STRING): | |
1356 | { | |
0305960f MD |
1357 | int res; |
1358 | ||
9b33aac4 | 1359 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 1360 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1361 | estack_ax_v = res; |
53569322 | 1362 | estack_ax_t = REG_S64; |
97b58163 MD |
1363 | next_pc += sizeof(struct binary_op); |
1364 | PO; | |
1365 | } | |
1366 | OP(FILTER_OP_GT_STRING): | |
1367 | { | |
0305960f MD |
1368 | int res; |
1369 | ||
9b33aac4 | 1370 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 1371 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1372 | estack_ax_v = res; |
53569322 | 1373 | estack_ax_t = REG_S64; |
97b58163 MD |
1374 | next_pc += sizeof(struct binary_op); |
1375 | PO; | |
1376 | } | |
1377 | OP(FILTER_OP_LT_STRING): | |
1378 | { | |
0305960f MD |
1379 | int res; |
1380 | ||
9b33aac4 | 1381 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 1382 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1383 | estack_ax_v = res; |
53569322 | 1384 | estack_ax_t = REG_S64; |
97b58163 MD |
1385 | next_pc += sizeof(struct binary_op); |
1386 | PO; | |
1387 | } | |
1388 | OP(FILTER_OP_GE_STRING): | |
1389 | { | |
0305960f MD |
1390 | int res; |
1391 | ||
9b33aac4 | 1392 | res = (stack_strcmp(stack, top, ">=") >= 0); |
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_LE_STRING): | |
1400 | { | |
0305960f MD |
1401 | int res; |
1402 | ||
9b33aac4 | 1403 | res = (stack_strcmp(stack, top, "<=") <= 0); |
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 | ||
3151a51d PP |
1411 | OP(FILTER_OP_EQ_STAR_GLOB_STRING): |
1412 | { | |
1413 | int res; | |
1414 | ||
1415 | res = (stack_star_glob_match(stack, top, "==") == 0); | |
1416 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1417 | estack_ax_v = res; | |
1418 | estack_ax_t = REG_S64; | |
1419 | next_pc += sizeof(struct binary_op); | |
1420 | PO; | |
1421 | } | |
1422 | OP(FILTER_OP_NE_STAR_GLOB_STRING): | |
1423 | { | |
1424 | int res; | |
1425 | ||
1426 | res = (stack_star_glob_match(stack, top, "!=") != 0); | |
1427 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1428 | estack_ax_v = res; | |
1429 | estack_ax_t = REG_S64; | |
1430 | next_pc += sizeof(struct binary_op); | |
1431 | PO; | |
1432 | } | |
1433 | ||
97b58163 MD |
1434 | OP(FILTER_OP_EQ_S64): |
1435 | { | |
0305960f MD |
1436 | int res; |
1437 | ||
9b33aac4 | 1438 | res = (estack_bx_v == estack_ax_v); |
53569322 | 1439 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1440 | estack_ax_v = res; |
53569322 | 1441 | estack_ax_t = REG_S64; |
97b58163 MD |
1442 | next_pc += sizeof(struct binary_op); |
1443 | PO; | |
1444 | } | |
1445 | OP(FILTER_OP_NE_S64): | |
1446 | { | |
0305960f MD |
1447 | int res; |
1448 | ||
9b33aac4 | 1449 | res = (estack_bx_v != estack_ax_v); |
53569322 | 1450 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1451 | estack_ax_v = res; |
53569322 | 1452 | estack_ax_t = REG_S64; |
97b58163 MD |
1453 | next_pc += sizeof(struct binary_op); |
1454 | PO; | |
1455 | } | |
1456 | OP(FILTER_OP_GT_S64): | |
1457 | { | |
0305960f MD |
1458 | int res; |
1459 | ||
9b33aac4 | 1460 | res = (estack_bx_v > 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; |
97b58163 MD |
1464 | next_pc += sizeof(struct binary_op); |
1465 | PO; | |
1466 | } | |
1467 | OP(FILTER_OP_LT_S64): | |
1468 | { | |
0305960f MD |
1469 | int res; |
1470 | ||
9b33aac4 | 1471 | res = (estack_bx_v < 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; |
97b58163 MD |
1475 | next_pc += sizeof(struct binary_op); |
1476 | PO; | |
1477 | } | |
1478 | OP(FILTER_OP_GE_S64): | |
1479 | { | |
0305960f MD |
1480 | int res; |
1481 | ||
9b33aac4 | 1482 | res = (estack_bx_v >= 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; |
97b58163 MD |
1486 | next_pc += sizeof(struct binary_op); |
1487 | PO; | |
1488 | } | |
1489 | OP(FILTER_OP_LE_S64): | |
1490 | { | |
0305960f MD |
1491 | int res; |
1492 | ||
9b33aac4 | 1493 | res = (estack_bx_v <= 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; |
97b58163 MD |
1497 | next_pc += sizeof(struct binary_op); |
1498 | PO; | |
1499 | } | |
1500 | ||
1501 | OP(FILTER_OP_EQ_DOUBLE): | |
1502 | { | |
0305960f MD |
1503 | int res; |
1504 | ||
9b33aac4 | 1505 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 1506 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1507 | estack_ax_v = res; |
53569322 | 1508 | estack_ax_t = REG_S64; |
97b58163 MD |
1509 | next_pc += sizeof(struct binary_op); |
1510 | PO; | |
1511 | } | |
1512 | OP(FILTER_OP_NE_DOUBLE): | |
1513 | { | |
0305960f MD |
1514 | int res; |
1515 | ||
9b33aac4 | 1516 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 1517 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1518 | estack_ax_v = res; |
53569322 | 1519 | estack_ax_t = REG_S64; |
97b58163 MD |
1520 | next_pc += sizeof(struct binary_op); |
1521 | PO; | |
1522 | } | |
1523 | OP(FILTER_OP_GT_DOUBLE): | |
1524 | { | |
0305960f MD |
1525 | int res; |
1526 | ||
9b33aac4 | 1527 | res = (estack_bx(stack, top)->u.d > 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; |
97b58163 MD |
1531 | next_pc += sizeof(struct binary_op); |
1532 | PO; | |
1533 | } | |
1534 | OP(FILTER_OP_LT_DOUBLE): | |
1535 | { | |
0305960f MD |
1536 | int res; |
1537 | ||
9b33aac4 | 1538 | res = (estack_bx(stack, top)->u.d < 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; |
97b58163 MD |
1542 | next_pc += sizeof(struct binary_op); |
1543 | PO; | |
1544 | } | |
1545 | OP(FILTER_OP_GE_DOUBLE): | |
1546 | { | |
0305960f MD |
1547 | int res; |
1548 | ||
9b33aac4 | 1549 | res = (estack_bx(stack, top)->u.d >= 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; |
97b58163 MD |
1553 | next_pc += sizeof(struct binary_op); |
1554 | PO; | |
1555 | } | |
1556 | OP(FILTER_OP_LE_DOUBLE): | |
1557 | { | |
0305960f MD |
1558 | int res; |
1559 | ||
9b33aac4 | 1560 | res = (estack_bx(stack, top)->u.d <= 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 | ||
1568 | /* Mixed S64-double binary comparators */ | |
1569 | OP(FILTER_OP_EQ_DOUBLE_S64): | |
1570 | { | |
1571 | int res; | |
1572 | ||
9b33aac4 | 1573 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
53569322 | 1574 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1575 | estack_ax_v = res; |
53569322 | 1576 | estack_ax_t = REG_S64; |
dbea82ec MD |
1577 | next_pc += sizeof(struct binary_op); |
1578 | PO; | |
1579 | } | |
1580 | OP(FILTER_OP_NE_DOUBLE_S64): | |
1581 | { | |
1582 | int res; | |
1583 | ||
9b33aac4 | 1584 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
53569322 | 1585 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1586 | estack_ax_v = res; |
53569322 | 1587 | estack_ax_t = REG_S64; |
dbea82ec MD |
1588 | next_pc += sizeof(struct binary_op); |
1589 | PO; | |
1590 | } | |
1591 | OP(FILTER_OP_GT_DOUBLE_S64): | |
1592 | { | |
1593 | int res; | |
1594 | ||
9b33aac4 | 1595 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
53569322 | 1596 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1597 | estack_ax_v = res; |
53569322 | 1598 | estack_ax_t = REG_S64; |
dbea82ec MD |
1599 | next_pc += sizeof(struct binary_op); |
1600 | PO; | |
1601 | } | |
1602 | OP(FILTER_OP_LT_DOUBLE_S64): | |
1603 | { | |
1604 | int res; | |
1605 | ||
9b33aac4 | 1606 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 1607 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1608 | estack_ax_v = res; |
53569322 | 1609 | estack_ax_t = REG_S64; |
dbea82ec MD |
1610 | next_pc += sizeof(struct binary_op); |
1611 | PO; | |
1612 | } | |
1613 | OP(FILTER_OP_GE_DOUBLE_S64): | |
1614 | { | |
1615 | int res; | |
1616 | ||
9b33aac4 | 1617 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 1618 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1619 | estack_ax_v = res; |
53569322 | 1620 | estack_ax_t = REG_S64; |
dbea82ec MD |
1621 | next_pc += sizeof(struct binary_op); |
1622 | PO; | |
1623 | } | |
1624 | OP(FILTER_OP_LE_DOUBLE_S64): | |
1625 | { | |
1626 | int res; | |
1627 | ||
9b33aac4 | 1628 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 1629 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1630 | estack_ax_v = res; |
53569322 | 1631 | estack_ax_t = REG_S64; |
dbea82ec MD |
1632 | next_pc += sizeof(struct binary_op); |
1633 | PO; | |
1634 | } | |
1635 | ||
1636 | OP(FILTER_OP_EQ_S64_DOUBLE): | |
1637 | { | |
1638 | int res; | |
1639 | ||
9b33aac4 | 1640 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 1641 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1642 | estack_ax_v = res; |
53569322 | 1643 | estack_ax_t = REG_S64; |
dbea82ec MD |
1644 | next_pc += sizeof(struct binary_op); |
1645 | PO; | |
1646 | } | |
1647 | OP(FILTER_OP_NE_S64_DOUBLE): | |
1648 | { | |
1649 | int res; | |
1650 | ||
9b33aac4 | 1651 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 1652 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1653 | estack_ax_v = res; |
53569322 | 1654 | estack_ax_t = REG_S64; |
dbea82ec MD |
1655 | next_pc += sizeof(struct binary_op); |
1656 | PO; | |
1657 | } | |
1658 | OP(FILTER_OP_GT_S64_DOUBLE): | |
1659 | { | |
1660 | int res; | |
1661 | ||
9b33aac4 | 1662 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 1663 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1664 | estack_ax_v = res; |
53569322 | 1665 | estack_ax_t = REG_S64; |
dbea82ec MD |
1666 | next_pc += sizeof(struct binary_op); |
1667 | PO; | |
1668 | } | |
1669 | OP(FILTER_OP_LT_S64_DOUBLE): | |
1670 | { | |
1671 | int res; | |
1672 | ||
9b33aac4 | 1673 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 1674 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1675 | estack_ax_v = res; |
53569322 | 1676 | estack_ax_t = REG_S64; |
dbea82ec MD |
1677 | next_pc += sizeof(struct binary_op); |
1678 | PO; | |
1679 | } | |
1680 | OP(FILTER_OP_GE_S64_DOUBLE): | |
1681 | { | |
1682 | int res; | |
1683 | ||
9b33aac4 | 1684 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 1685 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1686 | estack_ax_v = res; |
53569322 | 1687 | estack_ax_t = REG_S64; |
dbea82ec MD |
1688 | next_pc += sizeof(struct binary_op); |
1689 | PO; | |
1690 | } | |
1691 | OP(FILTER_OP_LE_S64_DOUBLE): | |
1692 | { | |
1693 | int res; | |
1694 | ||
9b33aac4 | 1695 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1696 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1697 | estack_ax_v = res; |
53569322 | 1698 | estack_ax_t = REG_S64; |
97b58163 MD |
1699 | next_pc += sizeof(struct binary_op); |
1700 | PO; | |
1701 | } | |
0039e2d8 MD |
1702 | OP(FILTER_OP_BIT_RSHIFT): |
1703 | { | |
1704 | int64_t res; | |
1705 | ||
d97f9b78 | 1706 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
0039e2d8 MD |
1707 | ret = -EINVAL; |
1708 | goto end; | |
1709 | } | |
d97f9b78 | 1710 | |
3703f1d2 MD |
1711 | /* Catch undefined behavior. */ |
1712 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1713 | ret = -EINVAL; | |
1714 | goto end; | |
1715 | } | |
4e8f9a89 | 1716 | res = ((uint64_t) estack_bx_v >> (uint32_t) estack_ax_v); |
0039e2d8 MD |
1717 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1718 | estack_ax_v = res; | |
d97f9b78 | 1719 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1720 | next_pc += sizeof(struct binary_op); |
1721 | PO; | |
1722 | } | |
1723 | OP(FILTER_OP_BIT_LSHIFT): | |
1724 | { | |
1725 | int64_t res; | |
1726 | ||
d97f9b78 | 1727 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
0039e2d8 MD |
1728 | ret = -EINVAL; |
1729 | goto end; | |
1730 | } | |
d97f9b78 | 1731 | |
3703f1d2 MD |
1732 | /* Catch undefined behavior. */ |
1733 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1734 | ret = -EINVAL; | |
1735 | goto end; | |
1736 | } | |
4e8f9a89 | 1737 | res = ((uint64_t) estack_bx_v << (uint32_t) estack_ax_v); |
0039e2d8 MD |
1738 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1739 | estack_ax_v = res; | |
d97f9b78 | 1740 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1741 | next_pc += sizeof(struct binary_op); |
1742 | PO; | |
1743 | } | |
47e5f13e MD |
1744 | OP(FILTER_OP_BIT_AND): |
1745 | { | |
1746 | int64_t res; | |
1747 | ||
d97f9b78 | 1748 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1749 | ret = -EINVAL; |
1750 | goto end; | |
1751 | } | |
1752 | ||
4e8f9a89 | 1753 | res = ((uint64_t) estack_bx_v & (uint64_t) estack_ax_v); |
47e5f13e MD |
1754 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1755 | estack_ax_v = res; | |
d97f9b78 | 1756 | estack_ax_t = REG_U64; |
47e5f13e MD |
1757 | next_pc += sizeof(struct binary_op); |
1758 | PO; | |
1759 | } | |
1760 | OP(FILTER_OP_BIT_OR): | |
1761 | { | |
1762 | int64_t res; | |
1763 | ||
d97f9b78 | 1764 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1765 | ret = -EINVAL; |
1766 | goto end; | |
1767 | } | |
1768 | ||
4e8f9a89 | 1769 | res = ((uint64_t) estack_bx_v | (uint64_t) estack_ax_v); |
47e5f13e MD |
1770 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1771 | estack_ax_v = res; | |
d97f9b78 | 1772 | estack_ax_t = REG_U64; |
47e5f13e MD |
1773 | next_pc += sizeof(struct binary_op); |
1774 | PO; | |
1775 | } | |
1776 | OP(FILTER_OP_BIT_XOR): | |
1777 | { | |
1778 | int64_t res; | |
1779 | ||
d97f9b78 | 1780 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1781 | ret = -EINVAL; |
1782 | goto end; | |
1783 | } | |
1784 | ||
4e8f9a89 | 1785 | res = ((uint64_t) estack_bx_v ^ (uint64_t) estack_ax_v); |
47e5f13e MD |
1786 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1787 | estack_ax_v = res; | |
d97f9b78 | 1788 | estack_ax_t = REG_U64; |
47e5f13e MD |
1789 | next_pc += sizeof(struct binary_op); |
1790 | PO; | |
1791 | } | |
97b58163 MD |
1792 | |
1793 | /* unary */ | |
1794 | OP(FILTER_OP_UNARY_PLUS): | |
53569322 MD |
1795 | { |
1796 | /* Dynamic typing. */ | |
1797 | switch (estack_ax_t) { | |
1798 | case REG_S64: /* Fall-through. */ | |
d97f9b78 | 1799 | case REG_U64: |
53569322 MD |
1800 | JUMP_TO(FILTER_OP_UNARY_PLUS_S64); |
1801 | case REG_DOUBLE: | |
1802 | JUMP_TO(FILTER_OP_UNARY_PLUS_DOUBLE); | |
3151a51d PP |
1803 | case REG_STRING: /* Fall-through */ |
1804 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1805 | ret = -EINVAL; |
1806 | goto end; | |
1807 | default: | |
1808 | ERR("Unknown filter register type (%d)", | |
1809 | (int) estack_ax_t); | |
1810 | ret = -EINVAL; | |
1811 | goto end; | |
1812 | } | |
1813 | } | |
97b58163 | 1814 | OP(FILTER_OP_UNARY_MINUS): |
53569322 MD |
1815 | { |
1816 | /* Dynamic typing. */ | |
1817 | switch (estack_ax_t) { | |
d97f9b78 MD |
1818 | case REG_S64: /* Fall-through. */ |
1819 | case REG_U64: | |
53569322 MD |
1820 | JUMP_TO(FILTER_OP_UNARY_MINUS_S64); |
1821 | case REG_DOUBLE: | |
1822 | JUMP_TO(FILTER_OP_UNARY_MINUS_DOUBLE); | |
3151a51d PP |
1823 | case REG_STRING: /* Fall-through */ |
1824 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1825 | ret = -EINVAL; |
1826 | goto end; | |
1827 | default: | |
1828 | ERR("Unknown filter register type (%d)", | |
1829 | (int) estack_ax_t); | |
1830 | ret = -EINVAL; | |
1831 | goto end; | |
1832 | } | |
1833 | } | |
97b58163 | 1834 | OP(FILTER_OP_UNARY_NOT): |
53569322 MD |
1835 | { |
1836 | /* Dynamic typing. */ | |
1837 | switch (estack_ax_t) { | |
d97f9b78 MD |
1838 | case REG_S64: /* Fall-through. */ |
1839 | case REG_U64: | |
53569322 MD |
1840 | JUMP_TO(FILTER_OP_UNARY_NOT_S64); |
1841 | case REG_DOUBLE: | |
1842 | JUMP_TO(FILTER_OP_UNARY_NOT_DOUBLE); | |
3151a51d PP |
1843 | case REG_STRING: /* Fall-through */ |
1844 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1845 | ret = -EINVAL; |
1846 | goto end; | |
1847 | default: | |
1848 | ERR("Unknown filter register type (%d)", | |
1849 | (int) estack_ax_t); | |
1850 | ret = -EINVAL; | |
1851 | goto end; | |
1852 | } | |
1853 | next_pc += sizeof(struct unary_op); | |
1854 | PO; | |
1855 | } | |
97b58163 | 1856 | |
0039e2d8 MD |
1857 | OP(FILTER_OP_UNARY_BIT_NOT): |
1858 | { | |
1859 | /* Dynamic typing. */ | |
d97f9b78 | 1860 | if (!IS_INTEGER_REGISTER(estack_ax_t)) { |
0039e2d8 MD |
1861 | ret = -EINVAL; |
1862 | goto end; | |
1863 | } | |
1864 | ||
4e8f9a89 | 1865 | estack_ax_v = ~(uint64_t) estack_ax_v; |
d97f9b78 | 1866 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1867 | next_pc += sizeof(struct unary_op); |
1868 | PO; | |
1869 | } | |
1870 | ||
97b58163 MD |
1871 | OP(FILTER_OP_UNARY_PLUS_S64): |
1872 | OP(FILTER_OP_UNARY_PLUS_DOUBLE): | |
1873 | { | |
1874 | next_pc += sizeof(struct unary_op); | |
1875 | PO; | |
1876 | } | |
1877 | OP(FILTER_OP_UNARY_MINUS_S64): | |
1878 | { | |
9b33aac4 | 1879 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1880 | next_pc += sizeof(struct unary_op); |
1881 | PO; | |
1882 | } | |
1883 | OP(FILTER_OP_UNARY_MINUS_DOUBLE): | |
1884 | { | |
9b33aac4 | 1885 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1886 | next_pc += sizeof(struct unary_op); |
1887 | PO; | |
1888 | } | |
1889 | OP(FILTER_OP_UNARY_NOT_S64): | |
1890 | { | |
9b33aac4 | 1891 | estack_ax_v = !estack_ax_v; |
d97f9b78 | 1892 | estack_ax_t = REG_S64; |
97b58163 MD |
1893 | next_pc += sizeof(struct unary_op); |
1894 | PO; | |
1895 | } | |
1896 | OP(FILTER_OP_UNARY_NOT_DOUBLE): | |
1897 | { | |
53569322 MD |
1898 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1899 | estack_ax_t = REG_S64; | |
97b58163 MD |
1900 | next_pc += sizeof(struct unary_op); |
1901 | PO; | |
1902 | } | |
1903 | ||
1904 | /* logical */ | |
1905 | OP(FILTER_OP_AND): | |
1906 | { | |
1907 | struct logical_op *insn = (struct logical_op *) pc; | |
1908 | ||
d97f9b78 | 1909 | if (estack_ax_t != REG_S64 && estack_ax_t != REG_U64) { |
53569322 MD |
1910 | ret = -EINVAL; |
1911 | goto end; | |
1912 | } | |
0305960f | 1913 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1914 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1915 | dbg_printf("Jumping to bytecode offset %u\n", |
1916 | (unsigned int) insn->skip_offset); | |
1917 | next_pc = start_pc + insn->skip_offset; | |
1918 | } else { | |
71c1ceeb | 1919 | /* Pop 1 when jump not taken */ |
53569322 | 1920 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1921 | next_pc += sizeof(struct logical_op); |
1922 | } | |
1923 | PO; | |
1924 | } | |
1925 | OP(FILTER_OP_OR): | |
1926 | { | |
1927 | struct logical_op *insn = (struct logical_op *) pc; | |
1928 | ||
d97f9b78 | 1929 | if (estack_ax_t != REG_S64 && estack_ax_t != REG_U64) { |
53569322 MD |
1930 | ret = -EINVAL; |
1931 | goto end; | |
1932 | } | |
0305960f | 1933 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1934 | if (unlikely(estack_ax_v != 0)) { |
1935 | estack_ax_v = 1; | |
97b58163 MD |
1936 | dbg_printf("Jumping to bytecode offset %u\n", |
1937 | (unsigned int) insn->skip_offset); | |
1938 | next_pc = start_pc + insn->skip_offset; | |
1939 | } else { | |
71c1ceeb | 1940 | /* Pop 1 when jump not taken */ |
53569322 | 1941 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1942 | next_pc += sizeof(struct logical_op); |
1943 | } | |
1944 | PO; | |
1945 | } | |
1946 | ||
1947 | ||
77aa5901 | 1948 | /* load field ref */ |
97b58163 MD |
1949 | OP(FILTER_OP_LOAD_FIELD_REF_STRING): |
1950 | { | |
1951 | struct load_op *insn = (struct load_op *) pc; | |
1952 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1953 | ||
1954 | dbg_printf("load field ref offset %u type string\n", | |
1955 | ref->offset); | |
53569322 | 1956 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1957 | estack_ax(stack, top)->u.s.str = |
f3503ba9 | 1958 | *(const char * const *) &interpreter_stack_data[ref->offset]; |
9b33aac4 | 1959 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1960 | dbg_printf("Filter warning: loading a NULL string.\n"); |
1961 | ret = -EINVAL; | |
1962 | goto end; | |
1963 | } | |
a63d0dc8 | 1964 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1965 | estack_ax(stack, top)->u.s.literal_type = |
1966 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 1967 | estack_ax_t = REG_STRING; |
9b33aac4 | 1968 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1969 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1970 | PO; | |
1971 | } | |
1972 | ||
1973 | OP(FILTER_OP_LOAD_FIELD_REF_SEQUENCE): | |
1974 | { | |
1975 | struct load_op *insn = (struct load_op *) pc; | |
1976 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1977 | ||
1978 | dbg_printf("load field ref offset %u type sequence\n", | |
1979 | ref->offset); | |
53569322 | 1980 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1981 | estack_ax(stack, top)->u.s.seq_len = |
f3503ba9 | 1982 | *(unsigned long *) &interpreter_stack_data[ref->offset]; |
9b33aac4 | 1983 | estack_ax(stack, top)->u.s.str = |
f3503ba9 | 1984 | *(const char **) (&interpreter_stack_data[ref->offset |
97b58163 | 1985 | + sizeof(unsigned long)]); |
53569322 | 1986 | estack_ax_t = REG_STRING; |
9b33aac4 | 1987 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
97b58163 MD |
1988 | dbg_printf("Filter warning: loading a NULL sequence.\n"); |
1989 | ret = -EINVAL; | |
1990 | goto end; | |
1991 | } | |
3151a51d PP |
1992 | estack_ax(stack, top)->u.s.literal_type = |
1993 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
97b58163 MD |
1994 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1995 | PO; | |
1996 | } | |
1997 | ||
1998 | OP(FILTER_OP_LOAD_FIELD_REF_S64): | |
1999 | { | |
2000 | struct load_op *insn = (struct load_op *) pc; | |
2001 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2002 | ||
2003 | dbg_printf("load field ref offset %u type s64\n", | |
2004 | ref->offset); | |
53569322 | 2005 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2006 | estack_ax_v = |
f3503ba9 | 2007 | ((struct literal_numeric *) &interpreter_stack_data[ref->offset])->v; |
53569322 | 2008 | estack_ax_t = REG_S64; |
9b33aac4 | 2009 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
2010 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2011 | PO; | |
2012 | } | |
2013 | ||
2014 | OP(FILTER_OP_LOAD_FIELD_REF_DOUBLE): | |
2015 | { | |
2016 | struct load_op *insn = (struct load_op *) pc; | |
2017 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2018 | ||
2019 | dbg_printf("load field ref offset %u type double\n", | |
2020 | ref->offset); | |
53569322 | 2021 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
f3503ba9 | 2022 | memcpy(&estack_ax(stack, top)->u.d, &interpreter_stack_data[ref->offset], |
97b58163 | 2023 | sizeof(struct literal_double)); |
53569322 | 2024 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 2025 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
2026 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2027 | PO; | |
2028 | } | |
2029 | ||
77aa5901 | 2030 | /* load from immediate operand */ |
97b58163 MD |
2031 | OP(FILTER_OP_LOAD_STRING): |
2032 | { | |
2033 | struct load_op *insn = (struct load_op *) pc; | |
2034 | ||
2035 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 2036 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2037 | estack_ax(stack, top)->u.s.str = insn->data; |
a63d0dc8 | 2038 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2039 | estack_ax(stack, top)->u.s.literal_type = |
2040 | ESTACK_STRING_LITERAL_TYPE_PLAIN; | |
53569322 | 2041 | estack_ax_t = REG_STRING; |
97b58163 MD |
2042 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
2043 | PO; | |
2044 | } | |
2045 | ||
3151a51d PP |
2046 | OP(FILTER_OP_LOAD_STAR_GLOB_STRING): |
2047 | { | |
2048 | struct load_op *insn = (struct load_op *) pc; | |
2049 | ||
2050 | dbg_printf("load globbing pattern %s\n", insn->data); | |
2051 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2052 | estack_ax(stack, top)->u.s.str = insn->data; | |
a63d0dc8 | 2053 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2054 | estack_ax(stack, top)->u.s.literal_type = |
2055 | ESTACK_STRING_LITERAL_TYPE_STAR_GLOB; | |
2056 | estack_ax_t = REG_STAR_GLOB_STRING; | |
2057 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
2058 | PO; | |
2059 | } | |
2060 | ||
97b58163 MD |
2061 | OP(FILTER_OP_LOAD_S64): |
2062 | { | |
2063 | struct load_op *insn = (struct load_op *) pc; | |
2064 | ||
53569322 | 2065 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2066 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 2067 | estack_ax_t = REG_S64; |
9b33aac4 | 2068 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
2069 | next_pc += sizeof(struct load_op) |
2070 | + sizeof(struct literal_numeric); | |
2071 | PO; | |
2072 | } | |
2073 | ||
2074 | OP(FILTER_OP_LOAD_DOUBLE): | |
2075 | { | |
2076 | struct load_op *insn = (struct load_op *) pc; | |
2077 | ||
53569322 | 2078 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2079 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 2080 | sizeof(struct literal_double)); |
53569322 MD |
2081 | estack_ax_t = REG_DOUBLE; |
2082 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
2083 | next_pc += sizeof(struct load_op) |
2084 | + sizeof(struct literal_double); | |
2085 | PO; | |
2086 | } | |
2087 | ||
2088 | /* cast */ | |
2089 | OP(FILTER_OP_CAST_TO_S64): | |
53569322 MD |
2090 | { |
2091 | /* Dynamic typing. */ | |
2092 | switch (estack_ax_t) { | |
2093 | case REG_S64: | |
2094 | JUMP_TO(FILTER_OP_CAST_NOP); | |
2095 | case REG_DOUBLE: | |
2096 | JUMP_TO(FILTER_OP_CAST_DOUBLE_TO_S64); | |
d97f9b78 MD |
2097 | case REG_U64: |
2098 | estack_ax_t = REG_S64; | |
2099 | next_pc += sizeof(struct cast_op); | |
3151a51d PP |
2100 | case REG_STRING: /* Fall-through */ |
2101 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
2102 | ret = -EINVAL; |
2103 | goto end; | |
2104 | default: | |
2105 | ERR("Unknown filter register type (%d)", | |
2106 | (int) estack_ax_t); | |
2107 | ret = -EINVAL; | |
2108 | goto end; | |
2109 | } | |
2110 | } | |
97b58163 MD |
2111 | |
2112 | OP(FILTER_OP_CAST_DOUBLE_TO_S64): | |
2113 | { | |
9b33aac4 | 2114 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 2115 | estack_ax_t = REG_S64; |
97b58163 MD |
2116 | next_pc += sizeof(struct cast_op); |
2117 | PO; | |
2118 | } | |
2119 | ||
2120 | OP(FILTER_OP_CAST_NOP): | |
2121 | { | |
2122 | next_pc += sizeof(struct cast_op); | |
2123 | PO; | |
2124 | } | |
2125 | ||
77aa5901 | 2126 | /* get context ref */ |
53569322 MD |
2127 | OP(FILTER_OP_GET_CONTEXT_REF): |
2128 | { | |
2129 | struct load_op *insn = (struct load_op *) pc; | |
2130 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 MD |
2131 | struct lttng_ctx_field *ctx_field; |
2132 | struct lttng_ctx_value v; | |
2133 | ||
2134 | dbg_printf("get context ref offset %u type dynamic\n", | |
2135 | ref->offset); | |
53569322 MD |
2136 | ctx_field = &ctx->fields[ref->offset]; |
2137 | ctx_field->get_value(ctx_field, &v); | |
2138 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2139 | switch (v.sel) { | |
2140 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
2141 | ret = -EINVAL; | |
2142 | goto end; | |
2143 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
2144 | estack_ax_v = v.u.s64; | |
2145 | estack_ax_t = REG_S64; | |
2146 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
2147 | break; | |
2148 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
2149 | estack_ax(stack, top)->u.d = v.u.d; | |
2150 | estack_ax_t = REG_DOUBLE; | |
2151 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
2152 | break; | |
2153 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
2154 | estack_ax(stack, top)->u.s.str = v.u.str; | |
2155 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2156 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2157 | ret = -EINVAL; | |
2158 | goto end; | |
2159 | } | |
a63d0dc8 | 2160 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2161 | estack_ax(stack, top)->u.s.literal_type = |
2162 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 MD |
2163 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); |
2164 | estack_ax_t = REG_STRING; | |
2165 | break; | |
2166 | default: | |
2167 | dbg_printf("Filter warning: unknown dynamic type (%d).\n", (int) v.sel); | |
2168 | ret = -EINVAL; | |
2169 | goto end; | |
2170 | } | |
2171 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2172 | PO; | |
2173 | } | |
2174 | ||
77aa5901 MD |
2175 | OP(FILTER_OP_GET_CONTEXT_REF_STRING): |
2176 | { | |
2177 | struct load_op *insn = (struct load_op *) pc; | |
2178 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2179 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2180 | struct lttng_ctx_value v; |
77aa5901 MD |
2181 | |
2182 | dbg_printf("get context ref offset %u type string\n", | |
2183 | ref->offset); | |
53569322 | 2184 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2185 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2186 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2187 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 MD |
2188 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
2189 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2190 | ret = -EINVAL; | |
2191 | goto end; | |
2192 | } | |
a63d0dc8 | 2193 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2194 | estack_ax(stack, top)->u.s.literal_type = |
2195 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2196 | estack_ax_t = REG_STRING; |
77aa5901 MD |
2197 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
2198 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2199 | PO; | |
2200 | } | |
2201 | ||
2202 | OP(FILTER_OP_GET_CONTEXT_REF_S64): | |
2203 | { | |
2204 | struct load_op *insn = (struct load_op *) pc; | |
2205 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2206 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2207 | struct lttng_ctx_value v; |
77aa5901 MD |
2208 | |
2209 | dbg_printf("get context ref offset %u type s64\n", | |
2210 | ref->offset); | |
53569322 | 2211 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2212 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2213 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2214 | estack_ax_v = v.u.s64; | |
2215 | estack_ax_t = REG_S64; | |
77aa5901 MD |
2216 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
2217 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2218 | PO; | |
2219 | } | |
2220 | ||
2221 | OP(FILTER_OP_GET_CONTEXT_REF_DOUBLE): | |
2222 | { | |
2223 | struct load_op *insn = (struct load_op *) pc; | |
2224 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2225 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2226 | struct lttng_ctx_value v; |
77aa5901 MD |
2227 | |
2228 | dbg_printf("get context ref offset %u type double\n", | |
2229 | ref->offset); | |
53569322 | 2230 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2231 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2232 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2233 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
2234 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
2235 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
2236 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2237 | PO; | |
2238 | } | |
2239 | ||
47e5f13e MD |
2240 | OP(FILTER_OP_GET_CONTEXT_ROOT): |
2241 | { | |
2242 | dbg_printf("op get context root\n"); | |
2243 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2244 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_CONTEXT; | |
2245 | /* "field" only needed for variants. */ | |
2246 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2247 | estack_ax_t = REG_PTR; | |
2248 | next_pc += sizeof(struct load_op); | |
2249 | PO; | |
2250 | } | |
2251 | ||
2252 | OP(FILTER_OP_GET_APP_CONTEXT_ROOT): | |
2253 | { | |
2254 | dbg_printf("op get app context root\n"); | |
2255 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2256 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_APP_CONTEXT; | |
2257 | /* "field" only needed for variants. */ | |
2258 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2259 | estack_ax_t = REG_PTR; | |
2260 | next_pc += sizeof(struct load_op); | |
2261 | PO; | |
2262 | } | |
2263 | ||
2264 | OP(FILTER_OP_GET_PAYLOAD_ROOT): | |
2265 | { | |
2266 | dbg_printf("op get app payload root\n"); | |
2267 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2268 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_PAYLOAD; | |
f3503ba9 | 2269 | estack_ax(stack, top)->u.ptr.ptr = interpreter_stack_data; |
47e5f13e MD |
2270 | /* "field" only needed for variants. */ |
2271 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2272 | estack_ax_t = REG_PTR; | |
2273 | next_pc += sizeof(struct load_op); | |
2274 | PO; | |
2275 | } | |
2276 | ||
2277 | OP(FILTER_OP_GET_SYMBOL): | |
2278 | { | |
2279 | dbg_printf("op get symbol\n"); | |
2280 | switch (estack_ax(stack, top)->u.ptr.type) { | |
2281 | case LOAD_OBJECT: | |
2282 | ERR("Nested fields not implemented yet."); | |
2283 | ret = -EINVAL; | |
2284 | goto end; | |
2285 | case LOAD_ROOT_CONTEXT: | |
2286 | case LOAD_ROOT_APP_CONTEXT: | |
2287 | case LOAD_ROOT_PAYLOAD: | |
2288 | /* | |
2289 | * symbol lookup is performed by | |
2290 | * specialization. | |
2291 | */ | |
2292 | ret = -EINVAL; | |
2293 | goto end; | |
2294 | } | |
2295 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
2296 | PO; | |
2297 | } | |
2298 | ||
2299 | OP(FILTER_OP_GET_SYMBOL_FIELD): | |
2300 | { | |
2301 | /* | |
2302 | * Used for first variant encountered in a | |
2303 | * traversal. Variants are not implemented yet. | |
2304 | */ | |
2305 | ret = -EINVAL; | |
2306 | goto end; | |
2307 | } | |
2308 | ||
2309 | OP(FILTER_OP_GET_INDEX_U16): | |
2310 | { | |
2311 | struct load_op *insn = (struct load_op *) pc; | |
2312 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
2313 | ||
2314 | dbg_printf("op get index u16\n"); | |
b77aaa1b | 2315 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2316 | if (ret) |
2317 | goto end; | |
2318 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2319 | estack_ax_t = estack_ax(stack, top)->type; | |
2320 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
2321 | PO; | |
2322 | } | |
2323 | ||
2324 | OP(FILTER_OP_GET_INDEX_U64): | |
2325 | { | |
2326 | struct load_op *insn = (struct load_op *) pc; | |
2327 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
2328 | ||
2329 | dbg_printf("op get index u64\n"); | |
b77aaa1b | 2330 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2331 | if (ret) |
2332 | goto end; | |
2333 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2334 | estack_ax_t = estack_ax(stack, top)->type; | |
2335 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
2336 | PO; | |
2337 | } | |
2338 | ||
2339 | OP(FILTER_OP_LOAD_FIELD): | |
2340 | { | |
2341 | dbg_printf("op load field\n"); | |
2342 | ret = dynamic_load_field(estack_ax(stack, top)); | |
2343 | if (ret) | |
2344 | goto end; | |
2345 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2346 | estack_ax_t = estack_ax(stack, top)->type; | |
2347 | next_pc += sizeof(struct load_op); | |
2348 | PO; | |
2349 | } | |
2350 | ||
2351 | OP(FILTER_OP_LOAD_FIELD_S8): | |
2352 | { | |
2353 | dbg_printf("op load field s8\n"); | |
2354 | ||
2355 | estack_ax_v = *(int8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2356 | estack_ax_t = REG_S64; | |
2357 | next_pc += sizeof(struct load_op); | |
2358 | PO; | |
2359 | } | |
2360 | OP(FILTER_OP_LOAD_FIELD_S16): | |
2361 | { | |
2362 | dbg_printf("op load field s16\n"); | |
2363 | ||
2364 | estack_ax_v = *(int16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2365 | estack_ax_t = REG_S64; | |
2366 | next_pc += sizeof(struct load_op); | |
2367 | PO; | |
2368 | } | |
2369 | OP(FILTER_OP_LOAD_FIELD_S32): | |
2370 | { | |
2371 | dbg_printf("op load field s32\n"); | |
2372 | ||
2373 | estack_ax_v = *(int32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2374 | estack_ax_t = REG_S64; | |
2375 | next_pc += sizeof(struct load_op); | |
2376 | PO; | |
2377 | } | |
2378 | OP(FILTER_OP_LOAD_FIELD_S64): | |
2379 | { | |
2380 | dbg_printf("op load field s64\n"); | |
2381 | ||
2382 | estack_ax_v = *(int64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2383 | estack_ax_t = REG_S64; | |
2384 | next_pc += sizeof(struct load_op); | |
2385 | PO; | |
2386 | } | |
2387 | OP(FILTER_OP_LOAD_FIELD_U8): | |
2388 | { | |
2389 | dbg_printf("op load field u8\n"); | |
2390 | ||
2391 | estack_ax_v = *(uint8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2392 | estack_ax_t = REG_U64; |
47e5f13e MD |
2393 | next_pc += sizeof(struct load_op); |
2394 | PO; | |
2395 | } | |
2396 | OP(FILTER_OP_LOAD_FIELD_U16): | |
2397 | { | |
2398 | dbg_printf("op load field u16\n"); | |
2399 | ||
2400 | estack_ax_v = *(uint16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2401 | estack_ax_t = REG_U64; |
47e5f13e MD |
2402 | next_pc += sizeof(struct load_op); |
2403 | PO; | |
2404 | } | |
2405 | OP(FILTER_OP_LOAD_FIELD_U32): | |
2406 | { | |
2407 | dbg_printf("op load field u32\n"); | |
2408 | ||
2409 | estack_ax_v = *(uint32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2410 | estack_ax_t = REG_U64; |
47e5f13e MD |
2411 | next_pc += sizeof(struct load_op); |
2412 | PO; | |
2413 | } | |
2414 | OP(FILTER_OP_LOAD_FIELD_U64): | |
2415 | { | |
2416 | dbg_printf("op load field u64\n"); | |
2417 | ||
2418 | estack_ax_v = *(uint64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2419 | estack_ax_t = REG_U64; |
47e5f13e MD |
2420 | next_pc += sizeof(struct load_op); |
2421 | PO; | |
2422 | } | |
2423 | OP(FILTER_OP_LOAD_FIELD_DOUBLE): | |
2424 | { | |
2425 | dbg_printf("op load field double\n"); | |
2426 | ||
2427 | memcpy(&estack_ax(stack, top)->u.d, | |
2428 | estack_ax(stack, top)->u.ptr.ptr, | |
2429 | sizeof(struct literal_double)); | |
2430 | estack_ax(stack, top)->type = REG_DOUBLE; | |
2431 | next_pc += sizeof(struct load_op); | |
2432 | PO; | |
2433 | } | |
2434 | ||
2435 | OP(FILTER_OP_LOAD_FIELD_STRING): | |
2436 | { | |
2437 | const char *str; | |
2438 | ||
2439 | dbg_printf("op load field string\n"); | |
2440 | str = (const char *) estack_ax(stack, top)->u.ptr.ptr; | |
2441 | estack_ax(stack, top)->u.s.str = str; | |
2442 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2443 | dbg_printf("Filter warning: loading a NULL string.\n"); | |
2444 | ret = -EINVAL; | |
2445 | goto end; | |
2446 | } | |
2447 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; | |
2448 | estack_ax(stack, top)->u.s.literal_type = | |
2449 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2450 | estack_ax(stack, top)->type = REG_STRING; | |
2451 | next_pc += sizeof(struct load_op); | |
2452 | PO; | |
2453 | } | |
2454 | ||
2455 | OP(FILTER_OP_LOAD_FIELD_SEQUENCE): | |
2456 | { | |
2457 | const char *ptr; | |
2458 | ||
2459 | dbg_printf("op load field string sequence\n"); | |
2460 | ptr = estack_ax(stack, top)->u.ptr.ptr; | |
2461 | estack_ax(stack, top)->u.s.seq_len = *(unsigned long *) ptr; | |
2462 | estack_ax(stack, top)->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
2463 | estack_ax(stack, top)->type = REG_STRING; | |
2464 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
2465 | dbg_printf("Filter warning: loading a NULL sequence.\n"); | |
2466 | ret = -EINVAL; | |
2467 | goto end; | |
2468 | } | |
2469 | estack_ax(stack, top)->u.s.literal_type = | |
2470 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2471 | next_pc += sizeof(struct load_op); | |
2472 | PO; | |
2473 | } | |
2474 | ||
97b58163 MD |
2475 | END_OP |
2476 | end: | |
4526ba69 | 2477 | /* Return _DISCARD on error. */ |
97b58163 | 2478 | if (ret) |
4526ba69 | 2479 | return LTTNG_FILTER_DISCARD; |
f3503ba9 FD |
2480 | |
2481 | if (output) { | |
2482 | return lttng_bytecode_interpret_format_output(estack_ax(stack, top), | |
2483 | output); | |
2484 | } | |
2485 | ||
97b58163 MD |
2486 | return retval; |
2487 | } | |
2488 | ||
f3503ba9 FD |
2489 | uint64_t lttng_filter_interpret_bytecode(void *filter_data, |
2490 | const char *filter_stack_data) | |
2491 | { | |
2492 | return bytecode_interpret(filter_data, filter_stack_data, NULL); | |
2493 | } | |
2494 | ||
97b58163 MD |
2495 | #undef START_OP |
2496 | #undef OP | |
2497 | #undef PO | |
2498 | #undef END_OP |