Commit | Line | Data |
---|---|---|
97b58163 | 1 | /* |
c0c0989a | 2 | * SPDX-License-Identifier: MIT |
97b58163 | 3 | * |
7e50015d | 4 | * Copyright (C) 2010-2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
97b58163 | 5 | * |
c0c0989a | 6 | * LTTng UST bytecode interpreter. |
97b58163 MD |
7 | */ |
8 | ||
3fbec7dc | 9 | #define _LGPL_SOURCE |
b4051ad8 | 10 | #include <stddef.h> |
a63d0dc8 | 11 | #include <stdint.h> |
f3503ba9 | 12 | |
10544ee8 | 13 | #include <lttng/urcu/pointer.h> |
3208818b | 14 | #include <lttng/ust-endian.h> |
f3503ba9 | 15 | #include <lttng/ust-events.h> |
362a65de | 16 | #include "ust-events-internal.h" |
f3503ba9 | 17 | |
04aa13f8 | 18 | #include "lttng-bytecode.h" |
3151a51d | 19 | #include "string-utils.h" |
97b58163 | 20 | |
f3503ba9 | 21 | |
97b58163 MD |
22 | /* |
23 | * -1: wildcard found. | |
24 | * -2: unknown escape char. | |
25 | * 0: normal char. | |
26 | */ | |
27 | ||
28 | static | |
29 | int parse_char(const char **p) | |
30 | { | |
31 | switch (**p) { | |
32 | case '\\': | |
33 | (*p)++; | |
34 | switch (**p) { | |
35 | case '\\': | |
36 | case '*': | |
37 | return 0; | |
38 | default: | |
39 | return -2; | |
40 | } | |
41 | case '*': | |
42 | return -1; | |
43 | default: | |
44 | return 0; | |
45 | } | |
46 | } | |
47 | ||
3151a51d | 48 | /* |
a63d0dc8 | 49 | * Returns SIZE_MAX if the string is null-terminated, or the number of |
3151a51d PP |
50 | * characters if not. |
51 | */ | |
52 | static | |
53 | size_t get_str_or_seq_len(const struct estack_entry *entry) | |
54 | { | |
a63d0dc8 | 55 | return entry->u.s.seq_len; |
3151a51d PP |
56 | } |
57 | ||
58 | static | |
59 | int stack_star_glob_match(struct estack *stack, int top, const char *cmp_type) | |
60 | { | |
61 | const char *pattern; | |
62 | const char *candidate; | |
63 | size_t pattern_len; | |
64 | size_t candidate_len; | |
65 | ||
66 | /* Find out which side is the pattern vs. the candidate. */ | |
67 | if (estack_ax(stack, top)->u.s.literal_type == ESTACK_STRING_LITERAL_TYPE_STAR_GLOB) { | |
68 | pattern = estack_ax(stack, top)->u.s.str; | |
69 | pattern_len = get_str_or_seq_len(estack_ax(stack, top)); | |
70 | candidate = estack_bx(stack, top)->u.s.str; | |
71 | candidate_len = get_str_or_seq_len(estack_bx(stack, top)); | |
72 | } else { | |
73 | pattern = estack_bx(stack, top)->u.s.str; | |
74 | pattern_len = get_str_or_seq_len(estack_bx(stack, top)); | |
75 | candidate = estack_ax(stack, top)->u.s.str; | |
76 | candidate_len = get_str_or_seq_len(estack_ax(stack, top)); | |
77 | } | |
78 | ||
79 | /* Perform the match. Returns 0 when the result is true. */ | |
80 | return !strutils_star_glob_match(pattern, pattern_len, candidate, | |
81 | candidate_len); | |
82 | } | |
83 | ||
97b58163 | 84 | static |
9b33aac4 | 85 | int stack_strcmp(struct estack *stack, int top, const char *cmp_type) |
97b58163 | 86 | { |
9b33aac4 | 87 | const char *p = estack_bx(stack, top)->u.s.str, *q = estack_ax(stack, top)->u.s.str; |
97b58163 MD |
88 | int ret; |
89 | int diff; | |
90 | ||
91 | for (;;) { | |
92 | int escaped_r0 = 0; | |
93 | ||
332335cd MD |
94 | if (unlikely(p - estack_bx(stack, top)->u.s.str >= estack_bx(stack, top)->u.s.seq_len || *p == '\0')) { |
95 | if (q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0') { | |
5cf8141d | 96 | return 0; |
a0928c1e | 97 | } else { |
3151a51d PP |
98 | if (estack_ax(stack, top)->u.s.literal_type == |
99 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
5cf8141d MD |
100 | ret = parse_char(&q); |
101 | if (ret == -1) | |
102 | return 0; | |
103 | } | |
104 | return -1; | |
a0928c1e | 105 | } |
97b58163 | 106 | } |
332335cd | 107 | if (unlikely(q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0')) { |
3151a51d PP |
108 | if (estack_bx(stack, top)->u.s.literal_type == |
109 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
3e6a0694 MD |
110 | ret = parse_char(&p); |
111 | if (ret == -1) | |
112 | return 0; | |
a0928c1e | 113 | } |
3e6a0694 | 114 | return 1; |
97b58163 | 115 | } |
3151a51d PP |
116 | if (estack_bx(stack, top)->u.s.literal_type == |
117 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
97b58163 MD |
118 | ret = parse_char(&p); |
119 | if (ret == -1) { | |
120 | return 0; | |
121 | } else if (ret == -2) { | |
122 | escaped_r0 = 1; | |
123 | } | |
124 | /* else compare both char */ | |
125 | } | |
3151a51d PP |
126 | if (estack_ax(stack, top)->u.s.literal_type == |
127 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
97b58163 MD |
128 | ret = parse_char(&q); |
129 | if (ret == -1) { | |
130 | return 0; | |
131 | } else if (ret == -2) { | |
132 | if (!escaped_r0) | |
133 | return -1; | |
134 | } else { | |
135 | if (escaped_r0) | |
136 | return 1; | |
137 | } | |
138 | } else { | |
139 | if (escaped_r0) | |
140 | return 1; | |
141 | } | |
142 | diff = *p - *q; | |
143 | if (diff != 0) | |
144 | break; | |
145 | p++; | |
146 | q++; | |
147 | } | |
148 | return diff; | |
149 | } | |
150 | ||
04aa13f8 | 151 | uint64_t lttng_bytecode_filter_interpret_false(void *filter_data, |
97b58163 MD |
152 | const char *filter_stack_data) |
153 | { | |
04aa13f8 | 154 | return LTTNG_INTERPRETER_DISCARD; |
97b58163 MD |
155 | } |
156 | ||
d37ecb3f FD |
157 | uint64_t lttng_bytecode_capture_interpret_false(void *capture_data, |
158 | const char *capture_stack_data, | |
159 | struct lttng_interpreter_output *output) | |
160 | { | |
161 | return LTTNG_INTERPRETER_DISCARD; | |
162 | } | |
163 | ||
97b58163 MD |
164 | #ifdef INTERPRETER_USE_SWITCH |
165 | ||
166 | /* | |
167 | * Fallback for compilers that do not support taking address of labels. | |
168 | */ | |
169 | ||
170 | #define START_OP \ | |
171 | start_pc = &bytecode->data[0]; \ | |
172 | for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; \ | |
173 | pc = next_pc) { \ | |
174 | dbg_printf("Executing op %s (%u)\n", \ | |
bf617e20 | 175 | lttng_bytecode_print_op((unsigned int) *(bytecode_opcode_t *) pc), \ |
04aa13f8 FD |
176 | (unsigned int) *(bytecode_opcode_t *) pc); \ |
177 | switch (*(bytecode_opcode_t *) pc) { | |
97b58163 | 178 | |
53569322 MD |
179 | #define OP(name) jump_target_##name: __attribute__((unused)); \ |
180 | case name | |
97b58163 MD |
181 | |
182 | #define PO break | |
183 | ||
184 | #define END_OP } \ | |
185 | } | |
186 | ||
53569322 MD |
187 | #define JUMP_TO(name) \ |
188 | goto jump_target_##name | |
189 | ||
97b58163 MD |
190 | #else |
191 | ||
192 | /* | |
193 | * Dispatch-table based interpreter. | |
194 | */ | |
195 | ||
196 | #define START_OP \ | |
47e5f13e | 197 | start_pc = &bytecode->code[0]; \ |
97b58163 MD |
198 | pc = next_pc = start_pc; \ |
199 | if (unlikely(pc - start_pc >= bytecode->len)) \ | |
200 | goto end; \ | |
04aa13f8 | 201 | goto *dispatch[*(bytecode_opcode_t *) pc]; |
97b58163 MD |
202 | |
203 | #define OP(name) \ | |
204 | LABEL_##name | |
205 | ||
206 | #define PO \ | |
207 | pc = next_pc; \ | |
04aa13f8 | 208 | goto *dispatch[*(bytecode_opcode_t *) pc]; |
97b58163 MD |
209 | |
210 | #define END_OP | |
211 | ||
53569322 MD |
212 | #define JUMP_TO(name) \ |
213 | goto LABEL_##name | |
214 | ||
97b58163 MD |
215 | #endif |
216 | ||
d97f9b78 MD |
217 | #define IS_INTEGER_REGISTER(reg_type) \ |
218 | (reg_type == REG_U64 || reg_type == REG_S64) | |
219 | ||
47e5f13e MD |
220 | static int context_get_index(struct lttng_ctx *ctx, |
221 | struct load_ptr *ptr, | |
222 | uint32_t idx) | |
223 | { | |
224 | ||
225 | struct lttng_ctx_field *ctx_field; | |
25cff019 | 226 | struct lttng_ust_event_field *field; |
47e5f13e MD |
227 | struct lttng_ctx_value v; |
228 | ||
229 | ctx_field = &ctx->fields[idx]; | |
230 | field = &ctx_field->event_field; | |
231 | ptr->type = LOAD_OBJECT; | |
f3503ba9 | 232 | ptr->field = field; |
47e5f13e MD |
233 | |
234 | switch (field->type.atype) { | |
235 | case atype_integer: | |
236 | ctx_field->get_value(ctx_field, &v); | |
218deb69 | 237 | if (field->type.u.integer.signedness) { |
47e5f13e MD |
238 | ptr->object_type = OBJECT_TYPE_S64; |
239 | ptr->u.s64 = v.u.s64; | |
240 | ptr->ptr = &ptr->u.s64; | |
241 | } else { | |
242 | ptr->object_type = OBJECT_TYPE_U64; | |
243 | ptr->u.u64 = v.u.s64; /* Cast. */ | |
244 | ptr->ptr = &ptr->u.u64; | |
245 | } | |
246 | break; | |
218deb69 | 247 | case atype_enum_nestable: |
47e5f13e | 248 | { |
218deb69 | 249 | const struct lttng_integer_type *itype; |
47e5f13e | 250 | |
8c3470ea | 251 | itype = &field->type.u.enum_nestable.container_type->u.integer; |
47e5f13e MD |
252 | ctx_field->get_value(ctx_field, &v); |
253 | if (itype->signedness) { | |
70f9f7f9 | 254 | ptr->object_type = OBJECT_TYPE_SIGNED_ENUM; |
47e5f13e MD |
255 | ptr->u.s64 = v.u.s64; |
256 | ptr->ptr = &ptr->u.s64; | |
257 | } else { | |
70f9f7f9 | 258 | ptr->object_type = OBJECT_TYPE_UNSIGNED_ENUM; |
47e5f13e MD |
259 | ptr->u.u64 = v.u.s64; /* Cast. */ |
260 | ptr->ptr = &ptr->u.u64; | |
261 | } | |
262 | break; | |
263 | } | |
218deb69 MD |
264 | case atype_array_nestable: |
265 | if (field->type.u.array_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
266 | ERR("Array nesting only supports integer types."); |
267 | return -EINVAL; | |
268 | } | |
218deb69 | 269 | if (field->type.u.array_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
270 | ERR("Only string arrays are supported for contexts."); |
271 | return -EINVAL; | |
272 | } | |
273 | ptr->object_type = OBJECT_TYPE_STRING; | |
274 | ctx_field->get_value(ctx_field, &v); | |
275 | ptr->ptr = v.u.str; | |
276 | break; | |
218deb69 MD |
277 | case atype_sequence_nestable: |
278 | if (field->type.u.sequence_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
279 | ERR("Sequence nesting only supports integer types."); |
280 | return -EINVAL; | |
281 | } | |
218deb69 | 282 | if (field->type.u.sequence_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
283 | ERR("Only string sequences are supported for contexts."); |
284 | return -EINVAL; | |
285 | } | |
286 | ptr->object_type = OBJECT_TYPE_STRING; | |
287 | ctx_field->get_value(ctx_field, &v); | |
288 | ptr->ptr = v.u.str; | |
289 | break; | |
290 | case atype_string: | |
291 | ptr->object_type = OBJECT_TYPE_STRING; | |
292 | ctx_field->get_value(ctx_field, &v); | |
293 | ptr->ptr = v.u.str; | |
294 | break; | |
295 | case atype_float: | |
296 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
0245c698 | 297 | ctx_field->get_value(ctx_field, &v); |
47e5f13e MD |
298 | ptr->u.d = v.u.d; |
299 | ptr->ptr = &ptr->u.d; | |
300 | break; | |
301 | case atype_dynamic: | |
302 | ctx_field->get_value(ctx_field, &v); | |
303 | switch (v.sel) { | |
304 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
305 | return -EINVAL; | |
86133caf FD |
306 | case LTTNG_UST_DYNAMIC_TYPE_U8: |
307 | case LTTNG_UST_DYNAMIC_TYPE_U16: | |
308 | case LTTNG_UST_DYNAMIC_TYPE_U32: | |
309 | case LTTNG_UST_DYNAMIC_TYPE_U64: | |
310 | ptr->object_type = OBJECT_TYPE_U64; | |
311 | ptr->u.u64 = v.u.u64; | |
312 | ptr->ptr = &ptr->u.u64; | |
313 | dbg_printf("context get index dynamic u64 %" PRIi64 "\n", ptr->u.u64); | |
314 | break; | |
315 | case LTTNG_UST_DYNAMIC_TYPE_S8: | |
316 | case LTTNG_UST_DYNAMIC_TYPE_S16: | |
317 | case LTTNG_UST_DYNAMIC_TYPE_S32: | |
47e5f13e MD |
318 | case LTTNG_UST_DYNAMIC_TYPE_S64: |
319 | ptr->object_type = OBJECT_TYPE_S64; | |
320 | ptr->u.s64 = v.u.s64; | |
321 | ptr->ptr = &ptr->u.s64; | |
322 | dbg_printf("context get index dynamic s64 %" PRIi64 "\n", ptr->u.s64); | |
323 | break; | |
86133caf | 324 | case LTTNG_UST_DYNAMIC_TYPE_FLOAT: |
47e5f13e MD |
325 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: |
326 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
327 | ptr->u.d = v.u.d; | |
328 | ptr->ptr = &ptr->u.d; | |
329 | dbg_printf("context get index dynamic double %g\n", ptr->u.d); | |
330 | break; | |
331 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
332 | ptr->object_type = OBJECT_TYPE_STRING; | |
333 | ptr->ptr = v.u.str; | |
334 | dbg_printf("context get index dynamic string %s\n", (const char *) ptr->ptr); | |
335 | break; | |
336 | default: | |
04aa13f8 | 337 | dbg_printf("Interpreter warning: unknown dynamic type (%d).\n", (int) v.sel); |
47e5f13e MD |
338 | return -EINVAL; |
339 | } | |
340 | break; | |
47e5f13e MD |
341 | default: |
342 | ERR("Unknown type: %d", (int) field->type.atype); | |
343 | return -EINVAL; | |
344 | } | |
345 | return 0; | |
346 | } | |
347 | ||
b77aaa1b | 348 | static int dynamic_get_index(struct lttng_ctx *ctx, |
47e5f13e MD |
349 | struct bytecode_runtime *runtime, |
350 | uint64_t index, struct estack_entry *stack_top) | |
351 | { | |
352 | int ret; | |
04aa13f8 | 353 | const struct bytecode_get_index_data *gid; |
47e5f13e | 354 | |
04aa13f8 | 355 | gid = (const struct bytecode_get_index_data *) &runtime->data[index]; |
47e5f13e MD |
356 | switch (stack_top->u.ptr.type) { |
357 | case LOAD_OBJECT: | |
358 | switch (stack_top->u.ptr.object_type) { | |
359 | case OBJECT_TYPE_ARRAY: | |
360 | { | |
361 | const char *ptr; | |
362 | ||
363 | assert(gid->offset < gid->array_len); | |
364 | /* Skip count (unsigned long) */ | |
365 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
366 | ptr = ptr + gid->offset; | |
367 | stack_top->u.ptr.ptr = ptr; | |
368 | stack_top->u.ptr.object_type = gid->elem.type; | |
369 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
8c3470ea | 370 | assert(stack_top->u.ptr.field->type.atype == atype_array_nestable); |
47e5f13e MD |
371 | stack_top->u.ptr.field = NULL; |
372 | break; | |
373 | } | |
374 | case OBJECT_TYPE_SEQUENCE: | |
375 | { | |
376 | const char *ptr; | |
377 | size_t ptr_seq_len; | |
378 | ||
379 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
380 | ptr_seq_len = *(unsigned long *) stack_top->u.ptr.ptr; | |
381 | if (gid->offset >= gid->elem.len * ptr_seq_len) { | |
382 | ret = -EINVAL; | |
383 | goto end; | |
384 | } | |
385 | ptr = ptr + gid->offset; | |
386 | stack_top->u.ptr.ptr = ptr; | |
387 | stack_top->u.ptr.object_type = gid->elem.type; | |
388 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
8c3470ea | 389 | assert(stack_top->u.ptr.field->type.atype == atype_sequence_nestable); |
47e5f13e MD |
390 | stack_top->u.ptr.field = NULL; |
391 | break; | |
392 | } | |
393 | case OBJECT_TYPE_STRUCT: | |
394 | ERR("Nested structures are not supported yet."); | |
395 | ret = -EINVAL; | |
396 | goto end; | |
397 | case OBJECT_TYPE_VARIANT: | |
398 | default: | |
399 | ERR("Unexpected get index type %d", | |
400 | (int) stack_top->u.ptr.object_type); | |
401 | ret = -EINVAL; | |
402 | goto end; | |
403 | } | |
404 | break; | |
405 | case LOAD_ROOT_CONTEXT: | |
406 | case LOAD_ROOT_APP_CONTEXT: /* Fall-through */ | |
407 | { | |
47e5f13e MD |
408 | ret = context_get_index(ctx, |
409 | &stack_top->u.ptr, | |
410 | gid->ctx_index); | |
411 | if (ret) { | |
412 | goto end; | |
413 | } | |
414 | break; | |
415 | } | |
416 | case LOAD_ROOT_PAYLOAD: | |
417 | stack_top->u.ptr.ptr += gid->offset; | |
418 | if (gid->elem.type == OBJECT_TYPE_STRING) | |
419 | stack_top->u.ptr.ptr = *(const char * const *) stack_top->u.ptr.ptr; | |
420 | stack_top->u.ptr.object_type = gid->elem.type; | |
421 | stack_top->u.ptr.type = LOAD_OBJECT; | |
f3503ba9 | 422 | stack_top->u.ptr.field = gid->field; |
6bbd9df3 | 423 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; |
47e5f13e MD |
424 | break; |
425 | } | |
d312cd35 FD |
426 | |
427 | stack_top->type = REG_PTR; | |
428 | ||
47e5f13e MD |
429 | return 0; |
430 | ||
431 | end: | |
432 | return ret; | |
433 | } | |
434 | ||
435 | static int dynamic_load_field(struct estack_entry *stack_top) | |
436 | { | |
437 | int ret; | |
438 | ||
439 | switch (stack_top->u.ptr.type) { | |
440 | case LOAD_OBJECT: | |
441 | break; | |
442 | case LOAD_ROOT_CONTEXT: | |
443 | case LOAD_ROOT_APP_CONTEXT: | |
444 | case LOAD_ROOT_PAYLOAD: | |
445 | default: | |
04aa13f8 | 446 | dbg_printf("Interpreter warning: cannot load root, missing field name.\n"); |
47e5f13e MD |
447 | ret = -EINVAL; |
448 | goto end; | |
449 | } | |
450 | switch (stack_top->u.ptr.object_type) { | |
451 | case OBJECT_TYPE_S8: | |
452 | dbg_printf("op load field s8\n"); | |
453 | stack_top->u.v = *(int8_t *) stack_top->u.ptr.ptr; | |
454 | stack_top->type = REG_S64; | |
455 | break; | |
456 | case OBJECT_TYPE_S16: | |
457 | { | |
458 | int16_t tmp; | |
459 | ||
460 | dbg_printf("op load field s16\n"); | |
461 | tmp = *(int16_t *) stack_top->u.ptr.ptr; | |
462 | if (stack_top->u.ptr.rev_bo) | |
463 | tmp = bswap_16(tmp); | |
464 | stack_top->u.v = tmp; | |
465 | stack_top->type = REG_S64; | |
466 | break; | |
467 | } | |
468 | case OBJECT_TYPE_S32: | |
469 | { | |
470 | int32_t tmp; | |
471 | ||
472 | dbg_printf("op load field s32\n"); | |
473 | tmp = *(int32_t *) stack_top->u.ptr.ptr; | |
474 | if (stack_top->u.ptr.rev_bo) | |
475 | tmp = bswap_32(tmp); | |
476 | stack_top->u.v = tmp; | |
477 | stack_top->type = REG_S64; | |
478 | break; | |
479 | } | |
480 | case OBJECT_TYPE_S64: | |
481 | { | |
482 | int64_t tmp; | |
483 | ||
484 | dbg_printf("op load field s64\n"); | |
485 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
486 | if (stack_top->u.ptr.rev_bo) | |
487 | tmp = bswap_64(tmp); | |
488 | stack_top->u.v = tmp; | |
489 | stack_top->type = REG_S64; | |
490 | break; | |
491 | } | |
70f9f7f9 FD |
492 | case OBJECT_TYPE_SIGNED_ENUM: |
493 | { | |
494 | int64_t tmp; | |
495 | ||
496 | dbg_printf("op load field signed enumeration\n"); | |
497 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
498 | if (stack_top->u.ptr.rev_bo) | |
499 | tmp = bswap_64(tmp); | |
500 | stack_top->u.v = tmp; | |
501 | stack_top->type = REG_S64; | |
502 | break; | |
503 | } | |
47e5f13e MD |
504 | case OBJECT_TYPE_U8: |
505 | dbg_printf("op load field u8\n"); | |
506 | stack_top->u.v = *(uint8_t *) stack_top->u.ptr.ptr; | |
d97f9b78 | 507 | stack_top->type = REG_U64; |
47e5f13e MD |
508 | break; |
509 | case OBJECT_TYPE_U16: | |
510 | { | |
511 | uint16_t tmp; | |
512 | ||
055d27d7 | 513 | dbg_printf("op load field u16\n"); |
47e5f13e MD |
514 | tmp = *(uint16_t *) stack_top->u.ptr.ptr; |
515 | if (stack_top->u.ptr.rev_bo) | |
516 | tmp = bswap_16(tmp); | |
517 | stack_top->u.v = tmp; | |
d97f9b78 | 518 | stack_top->type = REG_U64; |
47e5f13e MD |
519 | break; |
520 | } | |
521 | case OBJECT_TYPE_U32: | |
522 | { | |
523 | uint32_t tmp; | |
524 | ||
525 | dbg_printf("op load field u32\n"); | |
526 | tmp = *(uint32_t *) stack_top->u.ptr.ptr; | |
527 | if (stack_top->u.ptr.rev_bo) | |
528 | tmp = bswap_32(tmp); | |
529 | stack_top->u.v = tmp; | |
d97f9b78 | 530 | stack_top->type = REG_U64; |
47e5f13e MD |
531 | break; |
532 | } | |
533 | case OBJECT_TYPE_U64: | |
534 | { | |
535 | uint64_t tmp; | |
536 | ||
537 | dbg_printf("op load field u64\n"); | |
538 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
539 | if (stack_top->u.ptr.rev_bo) | |
540 | tmp = bswap_64(tmp); | |
541 | stack_top->u.v = tmp; | |
d97f9b78 | 542 | stack_top->type = REG_U64; |
47e5f13e MD |
543 | break; |
544 | } | |
70f9f7f9 FD |
545 | case OBJECT_TYPE_UNSIGNED_ENUM: |
546 | { | |
547 | uint64_t tmp; | |
548 | ||
549 | dbg_printf("op load field unsigned enumeration\n"); | |
550 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
551 | if (stack_top->u.ptr.rev_bo) | |
552 | tmp = bswap_64(tmp); | |
553 | stack_top->u.v = tmp; | |
554 | stack_top->type = REG_U64; | |
555 | break; | |
556 | } | |
47e5f13e MD |
557 | case OBJECT_TYPE_DOUBLE: |
558 | memcpy(&stack_top->u.d, | |
559 | stack_top->u.ptr.ptr, | |
560 | sizeof(struct literal_double)); | |
561 | stack_top->type = REG_DOUBLE; | |
562 | break; | |
563 | case OBJECT_TYPE_STRING: | |
564 | { | |
565 | const char *str; | |
566 | ||
567 | dbg_printf("op load field string\n"); | |
568 | str = (const char *) stack_top->u.ptr.ptr; | |
569 | stack_top->u.s.str = str; | |
570 | if (unlikely(!stack_top->u.s.str)) { | |
04aa13f8 | 571 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
47e5f13e MD |
572 | ret = -EINVAL; |
573 | goto end; | |
574 | } | |
575 | stack_top->u.s.seq_len = SIZE_MAX; | |
576 | stack_top->u.s.literal_type = | |
577 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
578 | stack_top->type = REG_STRING; | |
579 | break; | |
580 | } | |
581 | case OBJECT_TYPE_STRING_SEQUENCE: | |
582 | { | |
583 | const char *ptr; | |
584 | ||
585 | dbg_printf("op load field string sequence\n"); | |
586 | ptr = stack_top->u.ptr.ptr; | |
587 | stack_top->u.s.seq_len = *(unsigned long *) ptr; | |
588 | stack_top->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
589 | stack_top->type = REG_STRING; | |
590 | if (unlikely(!stack_top->u.s.str)) { | |
04aa13f8 | 591 | dbg_printf("Interpreter warning: loading a NULL sequence.\n"); |
47e5f13e MD |
592 | ret = -EINVAL; |
593 | goto end; | |
594 | } | |
595 | stack_top->u.s.literal_type = | |
596 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
597 | break; | |
598 | } | |
599 | case OBJECT_TYPE_DYNAMIC: | |
600 | /* | |
601 | * Dynamic types in context are looked up | |
602 | * by context get index. | |
603 | */ | |
604 | ret = -EINVAL; | |
605 | goto end; | |
606 | case OBJECT_TYPE_SEQUENCE: | |
607 | case OBJECT_TYPE_ARRAY: | |
608 | case OBJECT_TYPE_STRUCT: | |
609 | case OBJECT_TYPE_VARIANT: | |
610 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
611 | ret = -EINVAL; | |
612 | goto end; | |
613 | } | |
614 | return 0; | |
615 | ||
616 | end: | |
617 | return ret; | |
618 | } | |
619 | ||
f3503ba9 FD |
620 | static |
621 | int lttng_bytecode_interpret_format_output(struct estack_entry *ax, | |
622 | struct lttng_interpreter_output *output) | |
623 | { | |
624 | int ret; | |
625 | ||
626 | again: | |
627 | switch (ax->type) { | |
628 | case REG_S64: | |
629 | output->type = LTTNG_INTERPRETER_TYPE_S64; | |
630 | output->u.s = ax->u.v; | |
631 | break; | |
632 | case REG_U64: | |
633 | output->type = LTTNG_INTERPRETER_TYPE_U64; | |
634 | output->u.u = (uint64_t) ax->u.v; | |
635 | break; | |
636 | case REG_DOUBLE: | |
637 | output->type = LTTNG_INTERPRETER_TYPE_DOUBLE; | |
638 | output->u.d = ax->u.d; | |
639 | break; | |
640 | case REG_STRING: | |
641 | output->type = LTTNG_INTERPRETER_TYPE_STRING; | |
642 | output->u.str.str = ax->u.s.str; | |
643 | output->u.str.len = ax->u.s.seq_len; | |
644 | break; | |
645 | case REG_PTR: | |
646 | switch (ax->u.ptr.object_type) { | |
647 | case OBJECT_TYPE_S8: | |
648 | case OBJECT_TYPE_S16: | |
649 | case OBJECT_TYPE_S32: | |
650 | case OBJECT_TYPE_S64: | |
651 | case OBJECT_TYPE_U8: | |
652 | case OBJECT_TYPE_U16: | |
653 | case OBJECT_TYPE_U32: | |
654 | case OBJECT_TYPE_U64: | |
655 | case OBJECT_TYPE_DOUBLE: | |
656 | case OBJECT_TYPE_STRING: | |
657 | case OBJECT_TYPE_STRING_SEQUENCE: | |
658 | ret = dynamic_load_field(ax); | |
659 | if (ret) | |
660 | return ret; | |
661 | /* Retry after loading ptr into stack top. */ | |
662 | goto again; | |
663 | case OBJECT_TYPE_SEQUENCE: | |
664 | output->type = LTTNG_INTERPRETER_TYPE_SEQUENCE; | |
665 | output->u.sequence.ptr = *(const char **) (ax->u.ptr.ptr + sizeof(unsigned long)); | |
666 | output->u.sequence.nr_elem = *(unsigned long *) ax->u.ptr.ptr; | |
667 | output->u.sequence.nested_type = ax->u.ptr.field->type.u.sequence_nestable.elem_type; | |
668 | break; | |
669 | case OBJECT_TYPE_ARRAY: | |
670 | /* Skip count (unsigned long) */ | |
671 | output->type = LTTNG_INTERPRETER_TYPE_SEQUENCE; | |
672 | output->u.sequence.ptr = *(const char **) (ax->u.ptr.ptr + sizeof(unsigned long)); | |
673 | output->u.sequence.nr_elem = ax->u.ptr.field->type.u.array_nestable.length; | |
674 | output->u.sequence.nested_type = ax->u.ptr.field->type.u.array_nestable.elem_type; | |
675 | break; | |
70f9f7f9 FD |
676 | case OBJECT_TYPE_SIGNED_ENUM: |
677 | ret = dynamic_load_field(ax); | |
678 | if (ret) | |
679 | return ret; | |
680 | output->type = LTTNG_INTERPRETER_TYPE_SIGNED_ENUM; | |
681 | output->u.s = ax->u.v; | |
682 | break; | |
683 | case OBJECT_TYPE_UNSIGNED_ENUM: | |
684 | ret = dynamic_load_field(ax); | |
685 | if (ret) | |
686 | return ret; | |
687 | output->type = LTTNG_INTERPRETER_TYPE_UNSIGNED_ENUM; | |
688 | output->u.u = ax->u.v; | |
689 | break; | |
f3503ba9 FD |
690 | case OBJECT_TYPE_STRUCT: |
691 | case OBJECT_TYPE_VARIANT: | |
692 | default: | |
693 | return -EINVAL; | |
694 | } | |
695 | ||
696 | break; | |
697 | case REG_STAR_GLOB_STRING: | |
698 | case REG_UNKNOWN: | |
699 | default: | |
700 | return -EINVAL; | |
701 | } | |
702 | ||
04aa13f8 | 703 | return LTTNG_INTERPRETER_RECORD_FLAG; |
f3503ba9 FD |
704 | } |
705 | ||
8a92ed2a | 706 | /* |
d37ecb3f FD |
707 | * For `output` equal to NULL: |
708 | * Return 0 (discard), or raise the 0x1 flag (log event). | |
709 | * Currently, other flags are kept for future extensions and have no | |
710 | * effect. | |
711 | * For `output` not equal to NULL: | |
712 | * Return 0 on success, negative error value on error. | |
8a92ed2a | 713 | */ |
f3503ba9 FD |
714 | static |
715 | uint64_t bytecode_interpret(void *interpreter_data, | |
716 | const char *interpreter_stack_data, | |
717 | struct lttng_interpreter_output *output) | |
97b58163 | 718 | { |
f3503ba9 | 719 | struct bytecode_runtime *bytecode = interpreter_data; |
362a65de | 720 | struct lttng_ctx *ctx = lttng_ust_rcu_dereference(*bytecode->p.priv->pctx); |
97b58163 MD |
721 | void *pc, *next_pc, *start_pc; |
722 | int ret = -EINVAL; | |
8b82df15 | 723 | uint64_t retval = 0; |
0305960f MD |
724 | struct estack _stack; |
725 | struct estack *stack = &_stack; | |
9b33aac4 | 726 | register int64_t ax = 0, bx = 0; |
53569322 | 727 | register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; |
04aa13f8 | 728 | register int top = INTERPRETER_STACK_EMPTY; |
97b58163 | 729 | #ifndef INTERPRETER_USE_SWITCH |
04aa13f8 FD |
730 | static void *dispatch[NR_BYTECODE_OPS] = { |
731 | [ BYTECODE_OP_UNKNOWN ] = &&LABEL_BYTECODE_OP_UNKNOWN, | |
97b58163 | 732 | |
04aa13f8 | 733 | [ BYTECODE_OP_RETURN ] = &&LABEL_BYTECODE_OP_RETURN, |
97b58163 MD |
734 | |
735 | /* binary */ | |
04aa13f8 FD |
736 | [ BYTECODE_OP_MUL ] = &&LABEL_BYTECODE_OP_MUL, |
737 | [ BYTECODE_OP_DIV ] = &&LABEL_BYTECODE_OP_DIV, | |
738 | [ BYTECODE_OP_MOD ] = &&LABEL_BYTECODE_OP_MOD, | |
739 | [ BYTECODE_OP_PLUS ] = &&LABEL_BYTECODE_OP_PLUS, | |
740 | [ BYTECODE_OP_MINUS ] = &&LABEL_BYTECODE_OP_MINUS, | |
741 | [ BYTECODE_OP_BIT_RSHIFT ] = &&LABEL_BYTECODE_OP_BIT_RSHIFT, | |
742 | [ BYTECODE_OP_BIT_LSHIFT ] = &&LABEL_BYTECODE_OP_BIT_LSHIFT, | |
743 | [ BYTECODE_OP_BIT_AND ] = &&LABEL_BYTECODE_OP_BIT_AND, | |
744 | [ BYTECODE_OP_BIT_OR ] = &&LABEL_BYTECODE_OP_BIT_OR, | |
745 | [ BYTECODE_OP_BIT_XOR ] = &&LABEL_BYTECODE_OP_BIT_XOR, | |
97b58163 MD |
746 | |
747 | /* binary comparators */ | |
04aa13f8 FD |
748 | [ BYTECODE_OP_EQ ] = &&LABEL_BYTECODE_OP_EQ, |
749 | [ BYTECODE_OP_NE ] = &&LABEL_BYTECODE_OP_NE, | |
750 | [ BYTECODE_OP_GT ] = &&LABEL_BYTECODE_OP_GT, | |
751 | [ BYTECODE_OP_LT ] = &&LABEL_BYTECODE_OP_LT, | |
752 | [ BYTECODE_OP_GE ] = &&LABEL_BYTECODE_OP_GE, | |
753 | [ BYTECODE_OP_LE ] = &&LABEL_BYTECODE_OP_LE, | |
97b58163 MD |
754 | |
755 | /* string binary comparator */ | |
04aa13f8 FD |
756 | [ BYTECODE_OP_EQ_STRING ] = &&LABEL_BYTECODE_OP_EQ_STRING, |
757 | [ BYTECODE_OP_NE_STRING ] = &&LABEL_BYTECODE_OP_NE_STRING, | |
758 | [ BYTECODE_OP_GT_STRING ] = &&LABEL_BYTECODE_OP_GT_STRING, | |
759 | [ BYTECODE_OP_LT_STRING ] = &&LABEL_BYTECODE_OP_LT_STRING, | |
760 | [ BYTECODE_OP_GE_STRING ] = &&LABEL_BYTECODE_OP_GE_STRING, | |
761 | [ BYTECODE_OP_LE_STRING ] = &&LABEL_BYTECODE_OP_LE_STRING, | |
97b58163 | 762 | |
3151a51d | 763 | /* globbing pattern binary comparator */ |
04aa13f8 FD |
764 | [ BYTECODE_OP_EQ_STAR_GLOB_STRING ] = &&LABEL_BYTECODE_OP_EQ_STAR_GLOB_STRING, |
765 | [ BYTECODE_OP_NE_STAR_GLOB_STRING ] = &&LABEL_BYTECODE_OP_NE_STAR_GLOB_STRING, | |
3151a51d | 766 | |
97b58163 | 767 | /* s64 binary comparator */ |
04aa13f8 FD |
768 | [ BYTECODE_OP_EQ_S64 ] = &&LABEL_BYTECODE_OP_EQ_S64, |
769 | [ BYTECODE_OP_NE_S64 ] = &&LABEL_BYTECODE_OP_NE_S64, | |
770 | [ BYTECODE_OP_GT_S64 ] = &&LABEL_BYTECODE_OP_GT_S64, | |
771 | [ BYTECODE_OP_LT_S64 ] = &&LABEL_BYTECODE_OP_LT_S64, | |
772 | [ BYTECODE_OP_GE_S64 ] = &&LABEL_BYTECODE_OP_GE_S64, | |
773 | [ BYTECODE_OP_LE_S64 ] = &&LABEL_BYTECODE_OP_LE_S64, | |
97b58163 MD |
774 | |
775 | /* double binary comparator */ | |
04aa13f8 FD |
776 | [ BYTECODE_OP_EQ_DOUBLE ] = &&LABEL_BYTECODE_OP_EQ_DOUBLE, |
777 | [ BYTECODE_OP_NE_DOUBLE ] = &&LABEL_BYTECODE_OP_NE_DOUBLE, | |
778 | [ BYTECODE_OP_GT_DOUBLE ] = &&LABEL_BYTECODE_OP_GT_DOUBLE, | |
779 | [ BYTECODE_OP_LT_DOUBLE ] = &&LABEL_BYTECODE_OP_LT_DOUBLE, | |
780 | [ BYTECODE_OP_GE_DOUBLE ] = &&LABEL_BYTECODE_OP_GE_DOUBLE, | |
781 | [ BYTECODE_OP_LE_DOUBLE ] = &&LABEL_BYTECODE_OP_LE_DOUBLE, | |
97b58163 | 782 | |
dbea82ec | 783 | /* Mixed S64-double binary comparators */ |
04aa13f8 FD |
784 | [ BYTECODE_OP_EQ_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_EQ_DOUBLE_S64, |
785 | [ BYTECODE_OP_NE_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_NE_DOUBLE_S64, | |
786 | [ BYTECODE_OP_GT_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_GT_DOUBLE_S64, | |
787 | [ BYTECODE_OP_LT_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_LT_DOUBLE_S64, | |
788 | [ BYTECODE_OP_GE_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_GE_DOUBLE_S64, | |
789 | [ BYTECODE_OP_LE_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_LE_DOUBLE_S64, | |
790 | ||
791 | [ BYTECODE_OP_EQ_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_EQ_S64_DOUBLE, | |
792 | [ BYTECODE_OP_NE_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_NE_S64_DOUBLE, | |
793 | [ BYTECODE_OP_GT_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_GT_S64_DOUBLE, | |
794 | [ BYTECODE_OP_LT_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_LT_S64_DOUBLE, | |
795 | [ BYTECODE_OP_GE_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_GE_S64_DOUBLE, | |
796 | [ BYTECODE_OP_LE_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_LE_S64_DOUBLE, | |
dbea82ec | 797 | |
97b58163 | 798 | /* unary */ |
04aa13f8 FD |
799 | [ BYTECODE_OP_UNARY_PLUS ] = &&LABEL_BYTECODE_OP_UNARY_PLUS, |
800 | [ BYTECODE_OP_UNARY_MINUS ] = &&LABEL_BYTECODE_OP_UNARY_MINUS, | |
801 | [ BYTECODE_OP_UNARY_NOT ] = &&LABEL_BYTECODE_OP_UNARY_NOT, | |
802 | [ BYTECODE_OP_UNARY_PLUS_S64 ] = &&LABEL_BYTECODE_OP_UNARY_PLUS_S64, | |
803 | [ BYTECODE_OP_UNARY_MINUS_S64 ] = &&LABEL_BYTECODE_OP_UNARY_MINUS_S64, | |
804 | [ BYTECODE_OP_UNARY_NOT_S64 ] = &&LABEL_BYTECODE_OP_UNARY_NOT_S64, | |
805 | [ BYTECODE_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_BYTECODE_OP_UNARY_PLUS_DOUBLE, | |
806 | [ BYTECODE_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_BYTECODE_OP_UNARY_MINUS_DOUBLE, | |
807 | [ BYTECODE_OP_UNARY_NOT_DOUBLE ] = &&LABEL_BYTECODE_OP_UNARY_NOT_DOUBLE, | |
97b58163 MD |
808 | |
809 | /* logical */ | |
04aa13f8 FD |
810 | [ BYTECODE_OP_AND ] = &&LABEL_BYTECODE_OP_AND, |
811 | [ BYTECODE_OP_OR ] = &&LABEL_BYTECODE_OP_OR, | |
97b58163 | 812 | |
77aa5901 | 813 | /* load field ref */ |
04aa13f8 FD |
814 | [ BYTECODE_OP_LOAD_FIELD_REF ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF, |
815 | [ BYTECODE_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF_STRING, | |
816 | [ BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE, | |
817 | [ BYTECODE_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF_S64, | |
818 | [ BYTECODE_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF_DOUBLE, | |
97b58163 | 819 | |
77aa5901 | 820 | /* load from immediate operand */ |
04aa13f8 FD |
821 | [ BYTECODE_OP_LOAD_STRING ] = &&LABEL_BYTECODE_OP_LOAD_STRING, |
822 | [ BYTECODE_OP_LOAD_STAR_GLOB_STRING ] = &&LABEL_BYTECODE_OP_LOAD_STAR_GLOB_STRING, | |
823 | [ BYTECODE_OP_LOAD_S64 ] = &&LABEL_BYTECODE_OP_LOAD_S64, | |
824 | [ BYTECODE_OP_LOAD_DOUBLE ] = &&LABEL_BYTECODE_OP_LOAD_DOUBLE, | |
97b58163 MD |
825 | |
826 | /* cast */ | |
04aa13f8 FD |
827 | [ BYTECODE_OP_CAST_TO_S64 ] = &&LABEL_BYTECODE_OP_CAST_TO_S64, |
828 | [ BYTECODE_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_BYTECODE_OP_CAST_DOUBLE_TO_S64, | |
829 | [ BYTECODE_OP_CAST_NOP ] = &&LABEL_BYTECODE_OP_CAST_NOP, | |
77aa5901 MD |
830 | |
831 | /* get context ref */ | |
04aa13f8 FD |
832 | [ BYTECODE_OP_GET_CONTEXT_REF ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_REF, |
833 | [ BYTECODE_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_REF_STRING, | |
834 | [ BYTECODE_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_REF_S64, | |
835 | [ BYTECODE_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_REF_DOUBLE, | |
47e5f13e MD |
836 | |
837 | /* Instructions for recursive traversal through composed types. */ | |
04aa13f8 FD |
838 | [ BYTECODE_OP_GET_CONTEXT_ROOT ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_ROOT, |
839 | [ BYTECODE_OP_GET_APP_CONTEXT_ROOT ] = &&LABEL_BYTECODE_OP_GET_APP_CONTEXT_ROOT, | |
840 | [ BYTECODE_OP_GET_PAYLOAD_ROOT ] = &&LABEL_BYTECODE_OP_GET_PAYLOAD_ROOT, | |
841 | ||
842 | [ BYTECODE_OP_GET_SYMBOL ] = &&LABEL_BYTECODE_OP_GET_SYMBOL, | |
843 | [ BYTECODE_OP_GET_SYMBOL_FIELD ] = &&LABEL_BYTECODE_OP_GET_SYMBOL_FIELD, | |
844 | [ BYTECODE_OP_GET_INDEX_U16 ] = &&LABEL_BYTECODE_OP_GET_INDEX_U16, | |
845 | [ BYTECODE_OP_GET_INDEX_U64 ] = &&LABEL_BYTECODE_OP_GET_INDEX_U64, | |
846 | ||
847 | [ BYTECODE_OP_LOAD_FIELD ] = &&LABEL_BYTECODE_OP_LOAD_FIELD, | |
848 | [ BYTECODE_OP_LOAD_FIELD_S8 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_S8, | |
849 | [ BYTECODE_OP_LOAD_FIELD_S16 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_S16, | |
850 | [ BYTECODE_OP_LOAD_FIELD_S32 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_S32, | |
851 | [ BYTECODE_OP_LOAD_FIELD_S64 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_S64, | |
852 | [ BYTECODE_OP_LOAD_FIELD_U8 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_U8, | |
853 | [ BYTECODE_OP_LOAD_FIELD_U16 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_U16, | |
854 | [ BYTECODE_OP_LOAD_FIELD_U32 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_U32, | |
855 | [ BYTECODE_OP_LOAD_FIELD_U64 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_U64, | |
856 | [ BYTECODE_OP_LOAD_FIELD_STRING ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_STRING, | |
857 | [ BYTECODE_OP_LOAD_FIELD_SEQUENCE ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_SEQUENCE, | |
858 | [ BYTECODE_OP_LOAD_FIELD_DOUBLE ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_DOUBLE, | |
859 | ||
860 | [ BYTECODE_OP_UNARY_BIT_NOT ] = &&LABEL_BYTECODE_OP_UNARY_BIT_NOT, | |
861 | ||
862 | [ BYTECODE_OP_RETURN_S64 ] = &&LABEL_BYTECODE_OP_RETURN_S64, | |
97b58163 MD |
863 | }; |
864 | #endif /* #ifndef INTERPRETER_USE_SWITCH */ | |
865 | ||
866 | START_OP | |
867 | ||
04aa13f8 FD |
868 | OP(BYTECODE_OP_UNKNOWN): |
869 | OP(BYTECODE_OP_LOAD_FIELD_REF): | |
97b58163 MD |
870 | #ifdef INTERPRETER_USE_SWITCH |
871 | default: | |
872 | #endif /* INTERPRETER_USE_SWITCH */ | |
47e5f13e | 873 | ERR("unknown bytecode op %u", |
04aa13f8 | 874 | (unsigned int) *(bytecode_opcode_t *) pc); |
97b58163 MD |
875 | ret = -EINVAL; |
876 | goto end; | |
877 | ||
04aa13f8 FD |
878 | OP(BYTECODE_OP_RETURN): |
879 | /* LTTNG_INTERPRETER_DISCARD or LTTNG_INTERPRETER_RECORD_FLAG */ | |
47e5f13e MD |
880 | /* Handle dynamic typing. */ |
881 | switch (estack_ax_t) { | |
882 | case REG_S64: | |
d97f9b78 | 883 | case REG_U64: |
47e5f13e MD |
884 | retval = !!estack_ax_v; |
885 | break; | |
886 | case REG_DOUBLE: | |
887 | case REG_STRING: | |
f3503ba9 FD |
888 | case REG_PTR: |
889 | if (!output) { | |
890 | ret = -EINVAL; | |
891 | goto end; | |
892 | } | |
893 | retval = 0; | |
894 | break; | |
47e5f13e | 895 | case REG_STAR_GLOB_STRING: |
f3503ba9 | 896 | case REG_UNKNOWN: |
47e5f13e MD |
897 | default: |
898 | ret = -EINVAL; | |
899 | goto end; | |
900 | } | |
97b58163 MD |
901 | ret = 0; |
902 | goto end; | |
903 | ||
04aa13f8 FD |
904 | OP(BYTECODE_OP_RETURN_S64): |
905 | /* LTTNG_INTERPRETER_DISCARD or LTTNG_INTERPRETER_RECORD_FLAG */ | |
93c591bb MD |
906 | retval = !!estack_ax_v; |
907 | ret = 0; | |
908 | goto end; | |
909 | ||
97b58163 | 910 | /* binary */ |
04aa13f8 FD |
911 | OP(BYTECODE_OP_MUL): |
912 | OP(BYTECODE_OP_DIV): | |
913 | OP(BYTECODE_OP_MOD): | |
914 | OP(BYTECODE_OP_PLUS): | |
915 | OP(BYTECODE_OP_MINUS): | |
47e5f13e | 916 | ERR("unsupported bytecode op %u", |
04aa13f8 | 917 | (unsigned int) *(bytecode_opcode_t *) pc); |
97b58163 MD |
918 | ret = -EINVAL; |
919 | goto end; | |
920 | ||
04aa13f8 | 921 | OP(BYTECODE_OP_EQ): |
53569322 MD |
922 | { |
923 | /* Dynamic typing. */ | |
924 | switch (estack_ax_t) { | |
d97f9b78 MD |
925 | case REG_S64: /* Fall-through */ |
926 | case REG_U64: | |
53569322 | 927 | switch (estack_bx_t) { |
d97f9b78 MD |
928 | case REG_S64: /* Fall-through */ |
929 | case REG_U64: | |
04aa13f8 | 930 | JUMP_TO(BYTECODE_OP_EQ_S64); |
53569322 | 931 | case REG_DOUBLE: |
04aa13f8 | 932 | JUMP_TO(BYTECODE_OP_EQ_DOUBLE_S64); |
3151a51d PP |
933 | case REG_STRING: /* Fall-through */ |
934 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
935 | ret = -EINVAL; |
936 | goto end; | |
937 | default: | |
04aa13f8 | 938 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
939 | (int) estack_bx_t); |
940 | ret = -EINVAL; | |
941 | goto end; | |
942 | } | |
943 | break; | |
944 | case REG_DOUBLE: | |
945 | switch (estack_bx_t) { | |
d97f9b78 MD |
946 | case REG_S64: /* Fall-through */ |
947 | case REG_U64: | |
04aa13f8 | 948 | JUMP_TO(BYTECODE_OP_EQ_S64_DOUBLE); |
53569322 | 949 | case REG_DOUBLE: |
04aa13f8 | 950 | JUMP_TO(BYTECODE_OP_EQ_DOUBLE); |
3151a51d PP |
951 | case REG_STRING: /* Fall-through */ |
952 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
953 | ret = -EINVAL; |
954 | goto end; | |
955 | default: | |
04aa13f8 | 956 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
957 | (int) estack_bx_t); |
958 | ret = -EINVAL; | |
959 | goto end; | |
960 | } | |
961 | break; | |
962 | case REG_STRING: | |
963 | switch (estack_bx_t) { | |
964 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 965 | case REG_U64: /* Fall-through */ |
53569322 MD |
966 | case REG_DOUBLE: |
967 | ret = -EINVAL; | |
968 | goto end; | |
969 | case REG_STRING: | |
04aa13f8 | 970 | JUMP_TO(BYTECODE_OP_EQ_STRING); |
3151a51d | 971 | case REG_STAR_GLOB_STRING: |
04aa13f8 | 972 | JUMP_TO(BYTECODE_OP_EQ_STAR_GLOB_STRING); |
3151a51d | 973 | default: |
04aa13f8 | 974 | ERR("Unknown interpreter register type (%d)", |
3151a51d PP |
975 | (int) estack_bx_t); |
976 | ret = -EINVAL; | |
977 | goto end; | |
978 | } | |
979 | break; | |
980 | case REG_STAR_GLOB_STRING: | |
981 | switch (estack_bx_t) { | |
982 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 983 | case REG_U64: /* Fall-through */ |
3151a51d PP |
984 | case REG_DOUBLE: |
985 | ret = -EINVAL; | |
986 | goto end; | |
987 | case REG_STRING: | |
04aa13f8 | 988 | JUMP_TO(BYTECODE_OP_EQ_STAR_GLOB_STRING); |
3151a51d PP |
989 | case REG_STAR_GLOB_STRING: |
990 | ret = -EINVAL; | |
991 | goto end; | |
53569322 | 992 | default: |
04aa13f8 | 993 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
994 | (int) estack_bx_t); |
995 | ret = -EINVAL; | |
996 | goto end; | |
997 | } | |
998 | break; | |
999 | default: | |
04aa13f8 | 1000 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1001 | (int) estack_ax_t); |
1002 | ret = -EINVAL; | |
1003 | goto end; | |
1004 | } | |
1005 | } | |
04aa13f8 | 1006 | OP(BYTECODE_OP_NE): |
53569322 MD |
1007 | { |
1008 | /* Dynamic typing. */ | |
1009 | switch (estack_ax_t) { | |
d97f9b78 MD |
1010 | case REG_S64: /* Fall-through */ |
1011 | case REG_U64: | |
53569322 | 1012 | switch (estack_bx_t) { |
d97f9b78 MD |
1013 | case REG_S64: /* Fall-through */ |
1014 | case REG_U64: | |
04aa13f8 | 1015 | JUMP_TO(BYTECODE_OP_NE_S64); |
53569322 | 1016 | case REG_DOUBLE: |
04aa13f8 | 1017 | JUMP_TO(BYTECODE_OP_NE_DOUBLE_S64); |
3151a51d PP |
1018 | case REG_STRING: /* Fall-through */ |
1019 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1020 | ret = -EINVAL; |
1021 | goto end; | |
1022 | default: | |
04aa13f8 | 1023 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1024 | (int) estack_bx_t); |
1025 | ret = -EINVAL; | |
1026 | goto end; | |
1027 | } | |
1028 | break; | |
1029 | case REG_DOUBLE: | |
1030 | switch (estack_bx_t) { | |
d97f9b78 MD |
1031 | case REG_S64: /* Fall-through */ |
1032 | case REG_U64: | |
04aa13f8 | 1033 | JUMP_TO(BYTECODE_OP_NE_S64_DOUBLE); |
53569322 | 1034 | case REG_DOUBLE: |
04aa13f8 | 1035 | JUMP_TO(BYTECODE_OP_NE_DOUBLE); |
3151a51d PP |
1036 | case REG_STRING: /* Fall-through */ |
1037 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1038 | ret = -EINVAL; |
1039 | goto end; | |
1040 | default: | |
04aa13f8 | 1041 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1042 | (int) estack_bx_t); |
1043 | ret = -EINVAL; | |
1044 | goto end; | |
1045 | } | |
1046 | break; | |
1047 | case REG_STRING: | |
1048 | switch (estack_bx_t) { | |
1049 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1050 | case REG_U64: |
53569322 MD |
1051 | case REG_DOUBLE: |
1052 | ret = -EINVAL; | |
1053 | goto end; | |
1054 | case REG_STRING: | |
04aa13f8 | 1055 | JUMP_TO(BYTECODE_OP_NE_STRING); |
3151a51d | 1056 | case REG_STAR_GLOB_STRING: |
04aa13f8 | 1057 | JUMP_TO(BYTECODE_OP_NE_STAR_GLOB_STRING); |
3151a51d | 1058 | default: |
04aa13f8 | 1059 | ERR("Unknown interpreter register type (%d)", |
3151a51d PP |
1060 | (int) estack_bx_t); |
1061 | ret = -EINVAL; | |
1062 | goto end; | |
1063 | } | |
1064 | break; | |
1065 | case REG_STAR_GLOB_STRING: | |
1066 | switch (estack_bx_t) { | |
1067 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1068 | case REG_U64: |
3151a51d PP |
1069 | case REG_DOUBLE: |
1070 | ret = -EINVAL; | |
1071 | goto end; | |
1072 | case REG_STRING: | |
04aa13f8 | 1073 | JUMP_TO(BYTECODE_OP_NE_STAR_GLOB_STRING); |
3151a51d PP |
1074 | case REG_STAR_GLOB_STRING: |
1075 | ret = -EINVAL; | |
1076 | goto end; | |
53569322 | 1077 | default: |
04aa13f8 | 1078 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1079 | (int) estack_bx_t); |
1080 | ret = -EINVAL; | |
1081 | goto end; | |
1082 | } | |
1083 | break; | |
1084 | default: | |
04aa13f8 | 1085 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1086 | (int) estack_ax_t); |
1087 | ret = -EINVAL; | |
1088 | goto end; | |
1089 | } | |
1090 | } | |
04aa13f8 | 1091 | OP(BYTECODE_OP_GT): |
53569322 MD |
1092 | { |
1093 | /* Dynamic typing. */ | |
1094 | switch (estack_ax_t) { | |
d97f9b78 MD |
1095 | case REG_S64: /* Fall-through */ |
1096 | case REG_U64: | |
53569322 | 1097 | switch (estack_bx_t) { |
d97f9b78 MD |
1098 | case REG_S64: /* Fall-through */ |
1099 | case REG_U64: | |
04aa13f8 | 1100 | JUMP_TO(BYTECODE_OP_GT_S64); |
53569322 | 1101 | case REG_DOUBLE: |
04aa13f8 | 1102 | JUMP_TO(BYTECODE_OP_GT_DOUBLE_S64); |
3151a51d PP |
1103 | case REG_STRING: /* Fall-through */ |
1104 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1105 | ret = -EINVAL; |
1106 | goto end; | |
1107 | default: | |
04aa13f8 | 1108 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1109 | (int) estack_bx_t); |
1110 | ret = -EINVAL; | |
1111 | goto end; | |
1112 | } | |
1113 | break; | |
1114 | case REG_DOUBLE: | |
1115 | switch (estack_bx_t) { | |
d97f9b78 MD |
1116 | case REG_S64: /* Fall-through */ |
1117 | case REG_U64: | |
04aa13f8 | 1118 | JUMP_TO(BYTECODE_OP_GT_S64_DOUBLE); |
53569322 | 1119 | case REG_DOUBLE: |
04aa13f8 | 1120 | JUMP_TO(BYTECODE_OP_GT_DOUBLE); |
3151a51d PP |
1121 | case REG_STRING: /* Fall-through */ |
1122 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1123 | ret = -EINVAL; |
1124 | goto end; | |
1125 | default: | |
04aa13f8 | 1126 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1127 | (int) estack_bx_t); |
1128 | ret = -EINVAL; | |
1129 | goto end; | |
1130 | } | |
1131 | break; | |
1132 | case REG_STRING: | |
1133 | switch (estack_bx_t) { | |
1134 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1135 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1136 | case REG_DOUBLE: /* Fall-through */ |
1137 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1138 | ret = -EINVAL; |
1139 | goto end; | |
1140 | case REG_STRING: | |
04aa13f8 | 1141 | JUMP_TO(BYTECODE_OP_GT_STRING); |
53569322 | 1142 | default: |
04aa13f8 | 1143 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1144 | (int) estack_bx_t); |
1145 | ret = -EINVAL; | |
1146 | goto end; | |
1147 | } | |
1148 | break; | |
1149 | default: | |
04aa13f8 | 1150 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1151 | (int) estack_ax_t); |
1152 | ret = -EINVAL; | |
1153 | goto end; | |
1154 | } | |
1155 | } | |
04aa13f8 | 1156 | OP(BYTECODE_OP_LT): |
53569322 MD |
1157 | { |
1158 | /* Dynamic typing. */ | |
1159 | switch (estack_ax_t) { | |
d97f9b78 MD |
1160 | case REG_S64: /* Fall-through */ |
1161 | case REG_U64: | |
53569322 | 1162 | switch (estack_bx_t) { |
d97f9b78 MD |
1163 | case REG_S64: /* Fall-through */ |
1164 | case REG_U64: | |
04aa13f8 | 1165 | JUMP_TO(BYTECODE_OP_LT_S64); |
53569322 | 1166 | case REG_DOUBLE: |
04aa13f8 | 1167 | JUMP_TO(BYTECODE_OP_LT_DOUBLE_S64); |
3151a51d PP |
1168 | case REG_STRING: /* Fall-through */ |
1169 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1170 | ret = -EINVAL; |
1171 | goto end; | |
1172 | default: | |
04aa13f8 | 1173 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1174 | (int) estack_bx_t); |
1175 | ret = -EINVAL; | |
1176 | goto end; | |
1177 | } | |
1178 | break; | |
1179 | case REG_DOUBLE: | |
1180 | switch (estack_bx_t) { | |
d97f9b78 MD |
1181 | case REG_S64: /* Fall-through */ |
1182 | case REG_U64: | |
04aa13f8 | 1183 | JUMP_TO(BYTECODE_OP_LT_S64_DOUBLE); |
53569322 | 1184 | case REG_DOUBLE: |
04aa13f8 | 1185 | JUMP_TO(BYTECODE_OP_LT_DOUBLE); |
3151a51d PP |
1186 | case REG_STRING: /* Fall-through */ |
1187 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1188 | ret = -EINVAL; |
1189 | goto end; | |
1190 | default: | |
04aa13f8 | 1191 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1192 | (int) estack_bx_t); |
1193 | ret = -EINVAL; | |
1194 | goto end; | |
1195 | } | |
1196 | break; | |
1197 | case REG_STRING: | |
1198 | switch (estack_bx_t) { | |
1199 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1200 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1201 | case REG_DOUBLE: /* Fall-through */ |
1202 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1203 | ret = -EINVAL; |
1204 | goto end; | |
1205 | case REG_STRING: | |
04aa13f8 | 1206 | JUMP_TO(BYTECODE_OP_LT_STRING); |
53569322 | 1207 | default: |
04aa13f8 | 1208 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1209 | (int) estack_bx_t); |
1210 | ret = -EINVAL; | |
1211 | goto end; | |
1212 | } | |
1213 | break; | |
1214 | default: | |
04aa13f8 | 1215 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1216 | (int) estack_ax_t); |
1217 | ret = -EINVAL; | |
1218 | goto end; | |
1219 | } | |
1220 | } | |
04aa13f8 | 1221 | OP(BYTECODE_OP_GE): |
53569322 MD |
1222 | { |
1223 | /* Dynamic typing. */ | |
1224 | switch (estack_ax_t) { | |
d97f9b78 MD |
1225 | case REG_S64: /* Fall-through */ |
1226 | case REG_U64: | |
53569322 | 1227 | switch (estack_bx_t) { |
d97f9b78 MD |
1228 | case REG_S64: /* Fall-through */ |
1229 | case REG_U64: | |
04aa13f8 | 1230 | JUMP_TO(BYTECODE_OP_GE_S64); |
53569322 | 1231 | case REG_DOUBLE: |
04aa13f8 | 1232 | JUMP_TO(BYTECODE_OP_GE_DOUBLE_S64); |
3151a51d PP |
1233 | case REG_STRING: /* Fall-through */ |
1234 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1235 | ret = -EINVAL; |
1236 | goto end; | |
1237 | default: | |
04aa13f8 | 1238 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1239 | (int) estack_bx_t); |
1240 | ret = -EINVAL; | |
1241 | goto end; | |
1242 | } | |
1243 | break; | |
1244 | case REG_DOUBLE: | |
1245 | switch (estack_bx_t) { | |
d97f9b78 MD |
1246 | case REG_S64: /* Fall-through */ |
1247 | case REG_U64: | |
04aa13f8 | 1248 | JUMP_TO(BYTECODE_OP_GE_S64_DOUBLE); |
53569322 | 1249 | case REG_DOUBLE: |
04aa13f8 | 1250 | JUMP_TO(BYTECODE_OP_GE_DOUBLE); |
3151a51d PP |
1251 | case REG_STRING: /* Fall-through */ |
1252 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1253 | ret = -EINVAL; |
1254 | goto end; | |
1255 | default: | |
04aa13f8 | 1256 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1257 | (int) estack_bx_t); |
1258 | ret = -EINVAL; | |
1259 | goto end; | |
1260 | } | |
1261 | break; | |
1262 | case REG_STRING: | |
1263 | switch (estack_bx_t) { | |
1264 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1265 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1266 | case REG_DOUBLE: /* Fall-through */ |
1267 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1268 | ret = -EINVAL; |
1269 | goto end; | |
1270 | case REG_STRING: | |
04aa13f8 | 1271 | JUMP_TO(BYTECODE_OP_GE_STRING); |
53569322 | 1272 | default: |
04aa13f8 | 1273 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1274 | (int) estack_bx_t); |
1275 | ret = -EINVAL; | |
1276 | goto end; | |
1277 | } | |
1278 | break; | |
1279 | default: | |
04aa13f8 | 1280 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1281 | (int) estack_ax_t); |
1282 | ret = -EINVAL; | |
1283 | goto end; | |
1284 | } | |
1285 | } | |
04aa13f8 | 1286 | OP(BYTECODE_OP_LE): |
53569322 MD |
1287 | { |
1288 | /* Dynamic typing. */ | |
1289 | switch (estack_ax_t) { | |
d97f9b78 MD |
1290 | case REG_S64: /* Fall-through */ |
1291 | case REG_U64: | |
53569322 | 1292 | switch (estack_bx_t) { |
d97f9b78 MD |
1293 | case REG_S64: /* Fall-through */ |
1294 | case REG_U64: | |
04aa13f8 | 1295 | JUMP_TO(BYTECODE_OP_LE_S64); |
53569322 | 1296 | case REG_DOUBLE: |
04aa13f8 | 1297 | JUMP_TO(BYTECODE_OP_LE_DOUBLE_S64); |
3151a51d PP |
1298 | case REG_STRING: /* Fall-through */ |
1299 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1300 | ret = -EINVAL; |
1301 | goto end; | |
1302 | default: | |
04aa13f8 | 1303 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1304 | (int) estack_bx_t); |
1305 | ret = -EINVAL; | |
1306 | goto end; | |
1307 | } | |
1308 | break; | |
1309 | case REG_DOUBLE: | |
1310 | switch (estack_bx_t) { | |
d97f9b78 MD |
1311 | case REG_S64: /* Fall-through */ |
1312 | case REG_U64: | |
04aa13f8 | 1313 | JUMP_TO(BYTECODE_OP_LE_S64_DOUBLE); |
53569322 | 1314 | case REG_DOUBLE: |
04aa13f8 | 1315 | JUMP_TO(BYTECODE_OP_LE_DOUBLE); |
3151a51d PP |
1316 | case REG_STRING: /* Fall-through */ |
1317 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1318 | ret = -EINVAL; |
1319 | goto end; | |
1320 | default: | |
04aa13f8 | 1321 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1322 | (int) estack_bx_t); |
1323 | ret = -EINVAL; | |
1324 | goto end; | |
1325 | } | |
1326 | break; | |
1327 | case REG_STRING: | |
1328 | switch (estack_bx_t) { | |
1329 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1330 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1331 | case REG_DOUBLE: /* Fall-through */ |
1332 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1333 | ret = -EINVAL; |
1334 | goto end; | |
1335 | case REG_STRING: | |
04aa13f8 | 1336 | JUMP_TO(BYTECODE_OP_LE_STRING); |
53569322 | 1337 | default: |
04aa13f8 | 1338 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1339 | (int) estack_bx_t); |
1340 | ret = -EINVAL; | |
1341 | goto end; | |
1342 | } | |
1343 | break; | |
1344 | default: | |
04aa13f8 | 1345 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1346 | (int) estack_ax_t); |
1347 | ret = -EINVAL; | |
1348 | goto end; | |
1349 | } | |
1350 | } | |
97b58163 | 1351 | |
04aa13f8 | 1352 | OP(BYTECODE_OP_EQ_STRING): |
97b58163 | 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 | } | |
04aa13f8 | 1363 | OP(BYTECODE_OP_NE_STRING): |
97b58163 | 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 | } | |
04aa13f8 | 1374 | OP(BYTECODE_OP_GT_STRING): |
97b58163 | 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 | } | |
04aa13f8 | 1385 | OP(BYTECODE_OP_LT_STRING): |
97b58163 | 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 | } | |
04aa13f8 | 1396 | OP(BYTECODE_OP_GE_STRING): |
97b58163 | 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 | } | |
04aa13f8 | 1407 | OP(BYTECODE_OP_LE_STRING): |
97b58163 | 1408 | { |
0305960f MD |
1409 | int res; |
1410 | ||
9b33aac4 | 1411 | res = (stack_strcmp(stack, top, "<=") <= 0); |
53569322 | 1412 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1413 | estack_ax_v = res; |
53569322 | 1414 | estack_ax_t = REG_S64; |
97b58163 MD |
1415 | next_pc += sizeof(struct binary_op); |
1416 | PO; | |
1417 | } | |
1418 | ||
04aa13f8 | 1419 | OP(BYTECODE_OP_EQ_STAR_GLOB_STRING): |
3151a51d PP |
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 | } | |
04aa13f8 | 1430 | OP(BYTECODE_OP_NE_STAR_GLOB_STRING): |
3151a51d PP |
1431 | { |
1432 | int res; | |
1433 | ||
1434 | res = (stack_star_glob_match(stack, top, "!=") != 0); | |
1435 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1436 | estack_ax_v = res; | |
1437 | estack_ax_t = REG_S64; | |
1438 | next_pc += sizeof(struct binary_op); | |
1439 | PO; | |
1440 | } | |
1441 | ||
04aa13f8 | 1442 | OP(BYTECODE_OP_EQ_S64): |
97b58163 | 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 | } | |
04aa13f8 | 1453 | OP(BYTECODE_OP_NE_S64): |
97b58163 | 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 | } | |
04aa13f8 | 1464 | OP(BYTECODE_OP_GT_S64): |
97b58163 | 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 | } | |
04aa13f8 | 1475 | OP(BYTECODE_OP_LT_S64): |
97b58163 | 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 | } | |
04aa13f8 | 1486 | OP(BYTECODE_OP_GE_S64): |
97b58163 | 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 | } | |
04aa13f8 | 1497 | OP(BYTECODE_OP_LE_S64): |
97b58163 | 1498 | { |
0305960f MD |
1499 | int res; |
1500 | ||
9b33aac4 | 1501 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 1502 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1503 | estack_ax_v = res; |
53569322 | 1504 | estack_ax_t = REG_S64; |
97b58163 MD |
1505 | next_pc += sizeof(struct binary_op); |
1506 | PO; | |
1507 | } | |
1508 | ||
04aa13f8 | 1509 | OP(BYTECODE_OP_EQ_DOUBLE): |
97b58163 | 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 | } | |
04aa13f8 | 1520 | OP(BYTECODE_OP_NE_DOUBLE): |
97b58163 | 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 | } | |
04aa13f8 | 1531 | OP(BYTECODE_OP_GT_DOUBLE): |
97b58163 | 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 | } | |
04aa13f8 | 1542 | OP(BYTECODE_OP_LT_DOUBLE): |
97b58163 | 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 | } | |
04aa13f8 | 1553 | OP(BYTECODE_OP_GE_DOUBLE): |
97b58163 | 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; |
97b58163 MD |
1561 | next_pc += sizeof(struct binary_op); |
1562 | PO; | |
1563 | } | |
04aa13f8 | 1564 | OP(BYTECODE_OP_LE_DOUBLE): |
97b58163 | 1565 | { |
0305960f MD |
1566 | int res; |
1567 | ||
9b33aac4 | 1568 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 1569 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1570 | estack_ax_v = res; |
53569322 | 1571 | estack_ax_t = REG_S64; |
dbea82ec MD |
1572 | next_pc += sizeof(struct binary_op); |
1573 | PO; | |
1574 | } | |
1575 | ||
1576 | /* Mixed S64-double binary comparators */ | |
04aa13f8 | 1577 | OP(BYTECODE_OP_EQ_DOUBLE_S64): |
dbea82ec MD |
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 | } | |
04aa13f8 | 1588 | OP(BYTECODE_OP_NE_DOUBLE_S64): |
dbea82ec MD |
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 | } | |
04aa13f8 | 1599 | OP(BYTECODE_OP_GT_DOUBLE_S64): |
dbea82ec MD |
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 | } | |
04aa13f8 | 1610 | OP(BYTECODE_OP_LT_DOUBLE_S64): |
dbea82ec MD |
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 | } | |
04aa13f8 | 1621 | OP(BYTECODE_OP_GE_DOUBLE_S64): |
dbea82ec MD |
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 | } | |
04aa13f8 | 1632 | OP(BYTECODE_OP_LE_DOUBLE_S64): |
dbea82ec MD |
1633 | { |
1634 | int res; | |
1635 | ||
9b33aac4 | 1636 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 1637 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1638 | estack_ax_v = res; |
53569322 | 1639 | estack_ax_t = REG_S64; |
dbea82ec MD |
1640 | next_pc += sizeof(struct binary_op); |
1641 | PO; | |
1642 | } | |
1643 | ||
04aa13f8 | 1644 | OP(BYTECODE_OP_EQ_S64_DOUBLE): |
dbea82ec MD |
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 | } | |
04aa13f8 | 1655 | OP(BYTECODE_OP_NE_S64_DOUBLE): |
dbea82ec MD |
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 | } | |
04aa13f8 | 1666 | OP(BYTECODE_OP_GT_S64_DOUBLE): |
dbea82ec MD |
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 | } | |
04aa13f8 | 1677 | OP(BYTECODE_OP_LT_S64_DOUBLE): |
dbea82ec MD |
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 | } | |
04aa13f8 | 1688 | OP(BYTECODE_OP_GE_S64_DOUBLE): |
dbea82ec MD |
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; |
dbea82ec MD |
1696 | next_pc += sizeof(struct binary_op); |
1697 | PO; | |
1698 | } | |
04aa13f8 | 1699 | OP(BYTECODE_OP_LE_S64_DOUBLE): |
dbea82ec MD |
1700 | { |
1701 | int res; | |
1702 | ||
9b33aac4 | 1703 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1704 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1705 | estack_ax_v = res; |
53569322 | 1706 | estack_ax_t = REG_S64; |
97b58163 MD |
1707 | next_pc += sizeof(struct binary_op); |
1708 | PO; | |
1709 | } | |
04aa13f8 | 1710 | OP(BYTECODE_OP_BIT_RSHIFT): |
0039e2d8 MD |
1711 | { |
1712 | int64_t res; | |
1713 | ||
d97f9b78 | 1714 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
0039e2d8 MD |
1715 | ret = -EINVAL; |
1716 | goto end; | |
1717 | } | |
d97f9b78 | 1718 | |
3703f1d2 MD |
1719 | /* Catch undefined behavior. */ |
1720 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1721 | ret = -EINVAL; | |
1722 | goto end; | |
1723 | } | |
4e8f9a89 | 1724 | res = ((uint64_t) estack_bx_v >> (uint32_t) estack_ax_v); |
0039e2d8 MD |
1725 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1726 | estack_ax_v = res; | |
d97f9b78 | 1727 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1728 | next_pc += sizeof(struct binary_op); |
1729 | PO; | |
1730 | } | |
04aa13f8 | 1731 | OP(BYTECODE_OP_BIT_LSHIFT): |
0039e2d8 MD |
1732 | { |
1733 | int64_t res; | |
1734 | ||
d97f9b78 | 1735 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
0039e2d8 MD |
1736 | ret = -EINVAL; |
1737 | goto end; | |
1738 | } | |
d97f9b78 | 1739 | |
3703f1d2 MD |
1740 | /* Catch undefined behavior. */ |
1741 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1742 | ret = -EINVAL; | |
1743 | goto end; | |
1744 | } | |
4e8f9a89 | 1745 | res = ((uint64_t) estack_bx_v << (uint32_t) estack_ax_v); |
0039e2d8 MD |
1746 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1747 | estack_ax_v = res; | |
d97f9b78 | 1748 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1749 | next_pc += sizeof(struct binary_op); |
1750 | PO; | |
1751 | } | |
04aa13f8 | 1752 | OP(BYTECODE_OP_BIT_AND): |
47e5f13e MD |
1753 | { |
1754 | int64_t res; | |
1755 | ||
d97f9b78 | 1756 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1757 | ret = -EINVAL; |
1758 | goto end; | |
1759 | } | |
1760 | ||
4e8f9a89 | 1761 | res = ((uint64_t) estack_bx_v & (uint64_t) estack_ax_v); |
47e5f13e MD |
1762 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1763 | estack_ax_v = res; | |
d97f9b78 | 1764 | estack_ax_t = REG_U64; |
47e5f13e MD |
1765 | next_pc += sizeof(struct binary_op); |
1766 | PO; | |
1767 | } | |
04aa13f8 | 1768 | OP(BYTECODE_OP_BIT_OR): |
47e5f13e MD |
1769 | { |
1770 | int64_t res; | |
1771 | ||
d97f9b78 | 1772 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1773 | ret = -EINVAL; |
1774 | goto end; | |
1775 | } | |
1776 | ||
4e8f9a89 | 1777 | res = ((uint64_t) estack_bx_v | (uint64_t) estack_ax_v); |
47e5f13e MD |
1778 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1779 | estack_ax_v = res; | |
d97f9b78 | 1780 | estack_ax_t = REG_U64; |
47e5f13e MD |
1781 | next_pc += sizeof(struct binary_op); |
1782 | PO; | |
1783 | } | |
04aa13f8 | 1784 | OP(BYTECODE_OP_BIT_XOR): |
47e5f13e MD |
1785 | { |
1786 | int64_t res; | |
1787 | ||
d97f9b78 | 1788 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1789 | ret = -EINVAL; |
1790 | goto end; | |
1791 | } | |
1792 | ||
4e8f9a89 | 1793 | res = ((uint64_t) estack_bx_v ^ (uint64_t) estack_ax_v); |
47e5f13e MD |
1794 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1795 | estack_ax_v = res; | |
d97f9b78 | 1796 | estack_ax_t = REG_U64; |
47e5f13e MD |
1797 | next_pc += sizeof(struct binary_op); |
1798 | PO; | |
1799 | } | |
97b58163 MD |
1800 | |
1801 | /* unary */ | |
04aa13f8 | 1802 | OP(BYTECODE_OP_UNARY_PLUS): |
53569322 MD |
1803 | { |
1804 | /* Dynamic typing. */ | |
1805 | switch (estack_ax_t) { | |
1806 | case REG_S64: /* Fall-through. */ | |
d97f9b78 | 1807 | case REG_U64: |
04aa13f8 | 1808 | JUMP_TO(BYTECODE_OP_UNARY_PLUS_S64); |
53569322 | 1809 | case REG_DOUBLE: |
04aa13f8 | 1810 | JUMP_TO(BYTECODE_OP_UNARY_PLUS_DOUBLE); |
3151a51d PP |
1811 | case REG_STRING: /* Fall-through */ |
1812 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1813 | ret = -EINVAL; |
1814 | goto end; | |
1815 | default: | |
04aa13f8 | 1816 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1817 | (int) estack_ax_t); |
1818 | ret = -EINVAL; | |
1819 | goto end; | |
1820 | } | |
1821 | } | |
04aa13f8 | 1822 | OP(BYTECODE_OP_UNARY_MINUS): |
53569322 MD |
1823 | { |
1824 | /* Dynamic typing. */ | |
1825 | switch (estack_ax_t) { | |
d97f9b78 MD |
1826 | case REG_S64: /* Fall-through. */ |
1827 | case REG_U64: | |
04aa13f8 | 1828 | JUMP_TO(BYTECODE_OP_UNARY_MINUS_S64); |
53569322 | 1829 | case REG_DOUBLE: |
04aa13f8 | 1830 | JUMP_TO(BYTECODE_OP_UNARY_MINUS_DOUBLE); |
3151a51d PP |
1831 | case REG_STRING: /* Fall-through */ |
1832 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1833 | ret = -EINVAL; |
1834 | goto end; | |
1835 | default: | |
04aa13f8 | 1836 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1837 | (int) estack_ax_t); |
1838 | ret = -EINVAL; | |
1839 | goto end; | |
1840 | } | |
1841 | } | |
04aa13f8 | 1842 | OP(BYTECODE_OP_UNARY_NOT): |
53569322 MD |
1843 | { |
1844 | /* Dynamic typing. */ | |
1845 | switch (estack_ax_t) { | |
d97f9b78 MD |
1846 | case REG_S64: /* Fall-through. */ |
1847 | case REG_U64: | |
04aa13f8 | 1848 | JUMP_TO(BYTECODE_OP_UNARY_NOT_S64); |
53569322 | 1849 | case REG_DOUBLE: |
04aa13f8 | 1850 | JUMP_TO(BYTECODE_OP_UNARY_NOT_DOUBLE); |
3151a51d PP |
1851 | case REG_STRING: /* Fall-through */ |
1852 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1853 | ret = -EINVAL; |
1854 | goto end; | |
1855 | default: | |
04aa13f8 | 1856 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1857 | (int) estack_ax_t); |
1858 | ret = -EINVAL; | |
1859 | goto end; | |
1860 | } | |
1861 | next_pc += sizeof(struct unary_op); | |
1862 | PO; | |
1863 | } | |
97b58163 | 1864 | |
04aa13f8 | 1865 | OP(BYTECODE_OP_UNARY_BIT_NOT): |
0039e2d8 MD |
1866 | { |
1867 | /* Dynamic typing. */ | |
d97f9b78 | 1868 | if (!IS_INTEGER_REGISTER(estack_ax_t)) { |
0039e2d8 MD |
1869 | ret = -EINVAL; |
1870 | goto end; | |
1871 | } | |
1872 | ||
4e8f9a89 | 1873 | estack_ax_v = ~(uint64_t) estack_ax_v; |
d97f9b78 | 1874 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1875 | next_pc += sizeof(struct unary_op); |
1876 | PO; | |
1877 | } | |
1878 | ||
04aa13f8 FD |
1879 | OP(BYTECODE_OP_UNARY_PLUS_S64): |
1880 | OP(BYTECODE_OP_UNARY_PLUS_DOUBLE): | |
97b58163 MD |
1881 | { |
1882 | next_pc += sizeof(struct unary_op); | |
1883 | PO; | |
1884 | } | |
04aa13f8 | 1885 | OP(BYTECODE_OP_UNARY_MINUS_S64): |
97b58163 | 1886 | { |
9b33aac4 | 1887 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1888 | next_pc += sizeof(struct unary_op); |
1889 | PO; | |
1890 | } | |
04aa13f8 | 1891 | OP(BYTECODE_OP_UNARY_MINUS_DOUBLE): |
97b58163 | 1892 | { |
9b33aac4 | 1893 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1894 | next_pc += sizeof(struct unary_op); |
1895 | PO; | |
1896 | } | |
04aa13f8 | 1897 | OP(BYTECODE_OP_UNARY_NOT_S64): |
97b58163 | 1898 | { |
9b33aac4 | 1899 | estack_ax_v = !estack_ax_v; |
d97f9b78 | 1900 | estack_ax_t = REG_S64; |
97b58163 MD |
1901 | next_pc += sizeof(struct unary_op); |
1902 | PO; | |
1903 | } | |
04aa13f8 | 1904 | OP(BYTECODE_OP_UNARY_NOT_DOUBLE): |
97b58163 | 1905 | { |
53569322 MD |
1906 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1907 | estack_ax_t = REG_S64; | |
97b58163 MD |
1908 | next_pc += sizeof(struct unary_op); |
1909 | PO; | |
1910 | } | |
1911 | ||
1912 | /* logical */ | |
04aa13f8 | 1913 | OP(BYTECODE_OP_AND): |
97b58163 MD |
1914 | { |
1915 | struct logical_op *insn = (struct logical_op *) pc; | |
1916 | ||
d97f9b78 | 1917 | if (estack_ax_t != REG_S64 && estack_ax_t != REG_U64) { |
53569322 MD |
1918 | ret = -EINVAL; |
1919 | goto end; | |
1920 | } | |
0305960f | 1921 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1922 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1923 | dbg_printf("Jumping to bytecode offset %u\n", |
1924 | (unsigned int) insn->skip_offset); | |
1925 | next_pc = start_pc + insn->skip_offset; | |
1926 | } else { | |
71c1ceeb | 1927 | /* Pop 1 when jump not taken */ |
53569322 | 1928 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1929 | next_pc += sizeof(struct logical_op); |
1930 | } | |
1931 | PO; | |
1932 | } | |
04aa13f8 | 1933 | OP(BYTECODE_OP_OR): |
97b58163 MD |
1934 | { |
1935 | struct logical_op *insn = (struct logical_op *) pc; | |
1936 | ||
d97f9b78 | 1937 | if (estack_ax_t != REG_S64 && estack_ax_t != REG_U64) { |
53569322 MD |
1938 | ret = -EINVAL; |
1939 | goto end; | |
1940 | } | |
0305960f | 1941 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1942 | if (unlikely(estack_ax_v != 0)) { |
1943 | estack_ax_v = 1; | |
97b58163 MD |
1944 | dbg_printf("Jumping to bytecode offset %u\n", |
1945 | (unsigned int) insn->skip_offset); | |
1946 | next_pc = start_pc + insn->skip_offset; | |
1947 | } else { | |
71c1ceeb | 1948 | /* Pop 1 when jump not taken */ |
53569322 | 1949 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1950 | next_pc += sizeof(struct logical_op); |
1951 | } | |
1952 | PO; | |
1953 | } | |
1954 | ||
1955 | ||
77aa5901 | 1956 | /* load field ref */ |
04aa13f8 | 1957 | OP(BYTECODE_OP_LOAD_FIELD_REF_STRING): |
97b58163 MD |
1958 | { |
1959 | struct load_op *insn = (struct load_op *) pc; | |
1960 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1961 | ||
1962 | dbg_printf("load field ref offset %u type string\n", | |
1963 | ref->offset); | |
53569322 | 1964 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1965 | estack_ax(stack, top)->u.s.str = |
f3503ba9 | 1966 | *(const char * const *) &interpreter_stack_data[ref->offset]; |
9b33aac4 | 1967 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
04aa13f8 | 1968 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
97b58163 MD |
1969 | ret = -EINVAL; |
1970 | goto end; | |
1971 | } | |
a63d0dc8 | 1972 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1973 | estack_ax(stack, top)->u.s.literal_type = |
1974 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 1975 | estack_ax_t = REG_STRING; |
9b33aac4 | 1976 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1977 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1978 | PO; | |
1979 | } | |
1980 | ||
04aa13f8 | 1981 | OP(BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE): |
97b58163 MD |
1982 | { |
1983 | struct load_op *insn = (struct load_op *) pc; | |
1984 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1985 | ||
1986 | dbg_printf("load field ref offset %u type sequence\n", | |
1987 | ref->offset); | |
53569322 | 1988 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1989 | estack_ax(stack, top)->u.s.seq_len = |
f3503ba9 | 1990 | *(unsigned long *) &interpreter_stack_data[ref->offset]; |
9b33aac4 | 1991 | estack_ax(stack, top)->u.s.str = |
f3503ba9 | 1992 | *(const char **) (&interpreter_stack_data[ref->offset |
97b58163 | 1993 | + sizeof(unsigned long)]); |
53569322 | 1994 | estack_ax_t = REG_STRING; |
9b33aac4 | 1995 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
04aa13f8 | 1996 | dbg_printf("Interpreter warning: loading a NULL sequence.\n"); |
97b58163 MD |
1997 | ret = -EINVAL; |
1998 | goto end; | |
1999 | } | |
3151a51d PP |
2000 | estack_ax(stack, top)->u.s.literal_type = |
2001 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
97b58163 MD |
2002 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2003 | PO; | |
2004 | } | |
2005 | ||
04aa13f8 | 2006 | OP(BYTECODE_OP_LOAD_FIELD_REF_S64): |
97b58163 MD |
2007 | { |
2008 | struct load_op *insn = (struct load_op *) pc; | |
2009 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2010 | ||
2011 | dbg_printf("load field ref offset %u type s64\n", | |
2012 | ref->offset); | |
53569322 | 2013 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2014 | estack_ax_v = |
f3503ba9 | 2015 | ((struct literal_numeric *) &interpreter_stack_data[ref->offset])->v; |
53569322 | 2016 | estack_ax_t = REG_S64; |
9b33aac4 | 2017 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
2018 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2019 | PO; | |
2020 | } | |
2021 | ||
04aa13f8 | 2022 | OP(BYTECODE_OP_LOAD_FIELD_REF_DOUBLE): |
97b58163 MD |
2023 | { |
2024 | struct load_op *insn = (struct load_op *) pc; | |
2025 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2026 | ||
2027 | dbg_printf("load field ref offset %u type double\n", | |
2028 | ref->offset); | |
53569322 | 2029 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
f3503ba9 | 2030 | memcpy(&estack_ax(stack, top)->u.d, &interpreter_stack_data[ref->offset], |
97b58163 | 2031 | sizeof(struct literal_double)); |
53569322 | 2032 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 2033 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
2034 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2035 | PO; | |
2036 | } | |
2037 | ||
77aa5901 | 2038 | /* load from immediate operand */ |
04aa13f8 | 2039 | OP(BYTECODE_OP_LOAD_STRING): |
97b58163 MD |
2040 | { |
2041 | struct load_op *insn = (struct load_op *) pc; | |
2042 | ||
2043 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 2044 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2045 | estack_ax(stack, top)->u.s.str = insn->data; |
a63d0dc8 | 2046 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2047 | estack_ax(stack, top)->u.s.literal_type = |
2048 | ESTACK_STRING_LITERAL_TYPE_PLAIN; | |
53569322 | 2049 | estack_ax_t = REG_STRING; |
97b58163 MD |
2050 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
2051 | PO; | |
2052 | } | |
2053 | ||
04aa13f8 | 2054 | OP(BYTECODE_OP_LOAD_STAR_GLOB_STRING): |
3151a51d PP |
2055 | { |
2056 | struct load_op *insn = (struct load_op *) pc; | |
2057 | ||
2058 | dbg_printf("load globbing pattern %s\n", insn->data); | |
2059 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2060 | estack_ax(stack, top)->u.s.str = insn->data; | |
a63d0dc8 | 2061 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2062 | estack_ax(stack, top)->u.s.literal_type = |
2063 | ESTACK_STRING_LITERAL_TYPE_STAR_GLOB; | |
2064 | estack_ax_t = REG_STAR_GLOB_STRING; | |
2065 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
2066 | PO; | |
2067 | } | |
2068 | ||
04aa13f8 | 2069 | OP(BYTECODE_OP_LOAD_S64): |
97b58163 MD |
2070 | { |
2071 | struct load_op *insn = (struct load_op *) pc; | |
2072 | ||
53569322 | 2073 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2074 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 2075 | estack_ax_t = REG_S64; |
9b33aac4 | 2076 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
2077 | next_pc += sizeof(struct load_op) |
2078 | + sizeof(struct literal_numeric); | |
2079 | PO; | |
2080 | } | |
2081 | ||
04aa13f8 | 2082 | OP(BYTECODE_OP_LOAD_DOUBLE): |
97b58163 MD |
2083 | { |
2084 | struct load_op *insn = (struct load_op *) pc; | |
2085 | ||
53569322 | 2086 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2087 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 2088 | sizeof(struct literal_double)); |
53569322 MD |
2089 | estack_ax_t = REG_DOUBLE; |
2090 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
2091 | next_pc += sizeof(struct load_op) |
2092 | + sizeof(struct literal_double); | |
2093 | PO; | |
2094 | } | |
2095 | ||
2096 | /* cast */ | |
04aa13f8 | 2097 | OP(BYTECODE_OP_CAST_TO_S64): |
53569322 MD |
2098 | { |
2099 | /* Dynamic typing. */ | |
2100 | switch (estack_ax_t) { | |
2101 | case REG_S64: | |
04aa13f8 | 2102 | JUMP_TO(BYTECODE_OP_CAST_NOP); |
53569322 | 2103 | case REG_DOUBLE: |
04aa13f8 | 2104 | JUMP_TO(BYTECODE_OP_CAST_DOUBLE_TO_S64); |
d97f9b78 MD |
2105 | case REG_U64: |
2106 | estack_ax_t = REG_S64; | |
2107 | next_pc += sizeof(struct cast_op); | |
3151a51d PP |
2108 | case REG_STRING: /* Fall-through */ |
2109 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
2110 | ret = -EINVAL; |
2111 | goto end; | |
2112 | default: | |
04aa13f8 | 2113 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
2114 | (int) estack_ax_t); |
2115 | ret = -EINVAL; | |
2116 | goto end; | |
2117 | } | |
2118 | } | |
97b58163 | 2119 | |
04aa13f8 | 2120 | OP(BYTECODE_OP_CAST_DOUBLE_TO_S64): |
97b58163 | 2121 | { |
9b33aac4 | 2122 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 2123 | estack_ax_t = REG_S64; |
97b58163 MD |
2124 | next_pc += sizeof(struct cast_op); |
2125 | PO; | |
2126 | } | |
2127 | ||
04aa13f8 | 2128 | OP(BYTECODE_OP_CAST_NOP): |
97b58163 MD |
2129 | { |
2130 | next_pc += sizeof(struct cast_op); | |
2131 | PO; | |
2132 | } | |
2133 | ||
77aa5901 | 2134 | /* get context ref */ |
04aa13f8 | 2135 | OP(BYTECODE_OP_GET_CONTEXT_REF): |
53569322 MD |
2136 | { |
2137 | struct load_op *insn = (struct load_op *) pc; | |
2138 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 MD |
2139 | struct lttng_ctx_field *ctx_field; |
2140 | struct lttng_ctx_value v; | |
2141 | ||
2142 | dbg_printf("get context ref offset %u type dynamic\n", | |
2143 | ref->offset); | |
53569322 MD |
2144 | ctx_field = &ctx->fields[ref->offset]; |
2145 | ctx_field->get_value(ctx_field, &v); | |
2146 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2147 | switch (v.sel) { | |
2148 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
2149 | ret = -EINVAL; | |
2150 | goto end; | |
2151 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
2152 | estack_ax_v = v.u.s64; | |
2153 | estack_ax_t = REG_S64; | |
2154 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
2155 | break; | |
2156 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
2157 | estack_ax(stack, top)->u.d = v.u.d; | |
2158 | estack_ax_t = REG_DOUBLE; | |
2159 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
2160 | break; | |
2161 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
2162 | estack_ax(stack, top)->u.s.str = v.u.str; | |
2163 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
04aa13f8 | 2164 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
53569322 MD |
2165 | ret = -EINVAL; |
2166 | goto end; | |
2167 | } | |
a63d0dc8 | 2168 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2169 | estack_ax(stack, top)->u.s.literal_type = |
2170 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 MD |
2171 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); |
2172 | estack_ax_t = REG_STRING; | |
2173 | break; | |
2174 | default: | |
04aa13f8 | 2175 | dbg_printf("Interpreter warning: unknown dynamic type (%d).\n", (int) v.sel); |
53569322 MD |
2176 | ret = -EINVAL; |
2177 | goto end; | |
2178 | } | |
2179 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2180 | PO; | |
2181 | } | |
2182 | ||
04aa13f8 | 2183 | OP(BYTECODE_OP_GET_CONTEXT_REF_STRING): |
77aa5901 MD |
2184 | { |
2185 | struct load_op *insn = (struct load_op *) pc; | |
2186 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2187 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2188 | struct lttng_ctx_value v; |
77aa5901 MD |
2189 | |
2190 | dbg_printf("get context ref offset %u type string\n", | |
2191 | ref->offset); | |
53569322 | 2192 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2193 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2194 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2195 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 | 2196 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
04aa13f8 | 2197 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
77aa5901 MD |
2198 | ret = -EINVAL; |
2199 | goto end; | |
2200 | } | |
a63d0dc8 | 2201 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2202 | estack_ax(stack, top)->u.s.literal_type = |
2203 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2204 | estack_ax_t = REG_STRING; |
77aa5901 MD |
2205 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
2206 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2207 | PO; | |
2208 | } | |
2209 | ||
04aa13f8 | 2210 | OP(BYTECODE_OP_GET_CONTEXT_REF_S64): |
77aa5901 MD |
2211 | { |
2212 | struct load_op *insn = (struct load_op *) pc; | |
2213 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2214 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2215 | struct lttng_ctx_value v; |
77aa5901 MD |
2216 | |
2217 | dbg_printf("get context ref offset %u type s64\n", | |
2218 | ref->offset); | |
53569322 | 2219 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2220 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2221 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2222 | estack_ax_v = v.u.s64; | |
2223 | estack_ax_t = REG_S64; | |
77aa5901 MD |
2224 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
2225 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2226 | PO; | |
2227 | } | |
2228 | ||
04aa13f8 | 2229 | OP(BYTECODE_OP_GET_CONTEXT_REF_DOUBLE): |
77aa5901 MD |
2230 | { |
2231 | struct load_op *insn = (struct load_op *) pc; | |
2232 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2233 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2234 | struct lttng_ctx_value v; |
77aa5901 MD |
2235 | |
2236 | dbg_printf("get context ref offset %u type double\n", | |
2237 | ref->offset); | |
53569322 | 2238 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2239 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2240 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2241 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
2242 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
2243 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
2244 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2245 | PO; | |
2246 | } | |
2247 | ||
04aa13f8 | 2248 | OP(BYTECODE_OP_GET_CONTEXT_ROOT): |
47e5f13e MD |
2249 | { |
2250 | dbg_printf("op get context root\n"); | |
2251 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2252 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_CONTEXT; | |
2253 | /* "field" only needed for variants. */ | |
2254 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2255 | estack_ax_t = REG_PTR; | |
2256 | next_pc += sizeof(struct load_op); | |
2257 | PO; | |
2258 | } | |
2259 | ||
04aa13f8 | 2260 | OP(BYTECODE_OP_GET_APP_CONTEXT_ROOT): |
47e5f13e MD |
2261 | { |
2262 | dbg_printf("op get app context root\n"); | |
2263 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2264 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_APP_CONTEXT; | |
2265 | /* "field" only needed for variants. */ | |
2266 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2267 | estack_ax_t = REG_PTR; | |
2268 | next_pc += sizeof(struct load_op); | |
2269 | PO; | |
2270 | } | |
2271 | ||
04aa13f8 | 2272 | OP(BYTECODE_OP_GET_PAYLOAD_ROOT): |
47e5f13e MD |
2273 | { |
2274 | dbg_printf("op get app payload root\n"); | |
2275 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2276 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_PAYLOAD; | |
f3503ba9 | 2277 | estack_ax(stack, top)->u.ptr.ptr = interpreter_stack_data; |
47e5f13e MD |
2278 | /* "field" only needed for variants. */ |
2279 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2280 | estack_ax_t = REG_PTR; | |
2281 | next_pc += sizeof(struct load_op); | |
2282 | PO; | |
2283 | } | |
2284 | ||
04aa13f8 | 2285 | OP(BYTECODE_OP_GET_SYMBOL): |
47e5f13e MD |
2286 | { |
2287 | dbg_printf("op get symbol\n"); | |
2288 | switch (estack_ax(stack, top)->u.ptr.type) { | |
2289 | case LOAD_OBJECT: | |
2290 | ERR("Nested fields not implemented yet."); | |
2291 | ret = -EINVAL; | |
2292 | goto end; | |
2293 | case LOAD_ROOT_CONTEXT: | |
2294 | case LOAD_ROOT_APP_CONTEXT: | |
2295 | case LOAD_ROOT_PAYLOAD: | |
2296 | /* | |
2297 | * symbol lookup is performed by | |
2298 | * specialization. | |
2299 | */ | |
2300 | ret = -EINVAL; | |
2301 | goto end; | |
2302 | } | |
2303 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
2304 | PO; | |
2305 | } | |
2306 | ||
04aa13f8 | 2307 | OP(BYTECODE_OP_GET_SYMBOL_FIELD): |
47e5f13e MD |
2308 | { |
2309 | /* | |
2310 | * Used for first variant encountered in a | |
2311 | * traversal. Variants are not implemented yet. | |
2312 | */ | |
2313 | ret = -EINVAL; | |
2314 | goto end; | |
2315 | } | |
2316 | ||
04aa13f8 | 2317 | OP(BYTECODE_OP_GET_INDEX_U16): |
47e5f13e MD |
2318 | { |
2319 | struct load_op *insn = (struct load_op *) pc; | |
2320 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
2321 | ||
2322 | dbg_printf("op get index u16\n"); | |
b77aaa1b | 2323 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2324 | if (ret) |
2325 | goto end; | |
2326 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2327 | estack_ax_t = estack_ax(stack, top)->type; | |
2328 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
2329 | PO; | |
2330 | } | |
2331 | ||
04aa13f8 | 2332 | OP(BYTECODE_OP_GET_INDEX_U64): |
47e5f13e MD |
2333 | { |
2334 | struct load_op *insn = (struct load_op *) pc; | |
2335 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
2336 | ||
2337 | dbg_printf("op get index u64\n"); | |
b77aaa1b | 2338 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2339 | if (ret) |
2340 | goto end; | |
2341 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2342 | estack_ax_t = estack_ax(stack, top)->type; | |
2343 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
2344 | PO; | |
2345 | } | |
2346 | ||
04aa13f8 | 2347 | OP(BYTECODE_OP_LOAD_FIELD): |
47e5f13e MD |
2348 | { |
2349 | dbg_printf("op load field\n"); | |
2350 | ret = dynamic_load_field(estack_ax(stack, top)); | |
2351 | if (ret) | |
2352 | goto end; | |
2353 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2354 | estack_ax_t = estack_ax(stack, top)->type; | |
2355 | next_pc += sizeof(struct load_op); | |
2356 | PO; | |
2357 | } | |
2358 | ||
04aa13f8 | 2359 | OP(BYTECODE_OP_LOAD_FIELD_S8): |
47e5f13e MD |
2360 | { |
2361 | dbg_printf("op load field s8\n"); | |
2362 | ||
2363 | estack_ax_v = *(int8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2364 | estack_ax_t = REG_S64; | |
2365 | next_pc += sizeof(struct load_op); | |
2366 | PO; | |
2367 | } | |
04aa13f8 | 2368 | OP(BYTECODE_OP_LOAD_FIELD_S16): |
47e5f13e MD |
2369 | { |
2370 | dbg_printf("op load field s16\n"); | |
2371 | ||
2372 | estack_ax_v = *(int16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2373 | estack_ax_t = REG_S64; | |
2374 | next_pc += sizeof(struct load_op); | |
2375 | PO; | |
2376 | } | |
04aa13f8 | 2377 | OP(BYTECODE_OP_LOAD_FIELD_S32): |
47e5f13e MD |
2378 | { |
2379 | dbg_printf("op load field s32\n"); | |
2380 | ||
2381 | estack_ax_v = *(int32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2382 | estack_ax_t = REG_S64; | |
2383 | next_pc += sizeof(struct load_op); | |
2384 | PO; | |
2385 | } | |
04aa13f8 | 2386 | OP(BYTECODE_OP_LOAD_FIELD_S64): |
47e5f13e MD |
2387 | { |
2388 | dbg_printf("op load field s64\n"); | |
2389 | ||
2390 | estack_ax_v = *(int64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2391 | estack_ax_t = REG_S64; | |
2392 | next_pc += sizeof(struct load_op); | |
2393 | PO; | |
2394 | } | |
04aa13f8 | 2395 | OP(BYTECODE_OP_LOAD_FIELD_U8): |
47e5f13e MD |
2396 | { |
2397 | dbg_printf("op load field u8\n"); | |
2398 | ||
2399 | estack_ax_v = *(uint8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2400 | estack_ax_t = REG_U64; |
47e5f13e MD |
2401 | next_pc += sizeof(struct load_op); |
2402 | PO; | |
2403 | } | |
04aa13f8 | 2404 | OP(BYTECODE_OP_LOAD_FIELD_U16): |
47e5f13e MD |
2405 | { |
2406 | dbg_printf("op load field u16\n"); | |
2407 | ||
2408 | estack_ax_v = *(uint16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2409 | estack_ax_t = REG_U64; |
47e5f13e MD |
2410 | next_pc += sizeof(struct load_op); |
2411 | PO; | |
2412 | } | |
04aa13f8 | 2413 | OP(BYTECODE_OP_LOAD_FIELD_U32): |
47e5f13e MD |
2414 | { |
2415 | dbg_printf("op load field u32\n"); | |
2416 | ||
2417 | estack_ax_v = *(uint32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2418 | estack_ax_t = REG_U64; |
47e5f13e MD |
2419 | next_pc += sizeof(struct load_op); |
2420 | PO; | |
2421 | } | |
04aa13f8 | 2422 | OP(BYTECODE_OP_LOAD_FIELD_U64): |
47e5f13e MD |
2423 | { |
2424 | dbg_printf("op load field u64\n"); | |
2425 | ||
2426 | estack_ax_v = *(uint64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2427 | estack_ax_t = REG_U64; |
47e5f13e MD |
2428 | next_pc += sizeof(struct load_op); |
2429 | PO; | |
2430 | } | |
04aa13f8 | 2431 | OP(BYTECODE_OP_LOAD_FIELD_DOUBLE): |
47e5f13e MD |
2432 | { |
2433 | dbg_printf("op load field double\n"); | |
2434 | ||
2435 | memcpy(&estack_ax(stack, top)->u.d, | |
2436 | estack_ax(stack, top)->u.ptr.ptr, | |
2437 | sizeof(struct literal_double)); | |
2438 | estack_ax(stack, top)->type = REG_DOUBLE; | |
2439 | next_pc += sizeof(struct load_op); | |
2440 | PO; | |
2441 | } | |
2442 | ||
04aa13f8 | 2443 | OP(BYTECODE_OP_LOAD_FIELD_STRING): |
47e5f13e MD |
2444 | { |
2445 | const char *str; | |
2446 | ||
2447 | dbg_printf("op load field string\n"); | |
2448 | str = (const char *) estack_ax(stack, top)->u.ptr.ptr; | |
2449 | estack_ax(stack, top)->u.s.str = str; | |
2450 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
04aa13f8 | 2451 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
47e5f13e MD |
2452 | ret = -EINVAL; |
2453 | goto end; | |
2454 | } | |
2455 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; | |
2456 | estack_ax(stack, top)->u.s.literal_type = | |
2457 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2458 | estack_ax(stack, top)->type = REG_STRING; | |
2459 | next_pc += sizeof(struct load_op); | |
2460 | PO; | |
2461 | } | |
2462 | ||
04aa13f8 | 2463 | OP(BYTECODE_OP_LOAD_FIELD_SEQUENCE): |
47e5f13e MD |
2464 | { |
2465 | const char *ptr; | |
2466 | ||
2467 | dbg_printf("op load field string sequence\n"); | |
2468 | ptr = estack_ax(stack, top)->u.ptr.ptr; | |
2469 | estack_ax(stack, top)->u.s.seq_len = *(unsigned long *) ptr; | |
2470 | estack_ax(stack, top)->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
2471 | estack_ax(stack, top)->type = REG_STRING; | |
2472 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
04aa13f8 | 2473 | dbg_printf("Interpreter warning: loading a NULL sequence.\n"); |
47e5f13e MD |
2474 | ret = -EINVAL; |
2475 | goto end; | |
2476 | } | |
2477 | estack_ax(stack, top)->u.s.literal_type = | |
2478 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2479 | next_pc += sizeof(struct load_op); | |
2480 | PO; | |
2481 | } | |
2482 | ||
97b58163 MD |
2483 | END_OP |
2484 | end: | |
4526ba69 | 2485 | /* Return _DISCARD on error. */ |
97b58163 | 2486 | if (ret) |
04aa13f8 | 2487 | return LTTNG_INTERPRETER_DISCARD; |
f3503ba9 FD |
2488 | |
2489 | if (output) { | |
2490 | return lttng_bytecode_interpret_format_output(estack_ax(stack, top), | |
2491 | output); | |
2492 | } | |
2493 | ||
97b58163 MD |
2494 | return retval; |
2495 | } | |
2496 | ||
04aa13f8 | 2497 | uint64_t lttng_bytecode_filter_interpret(void *filter_data, |
f3503ba9 FD |
2498 | const char *filter_stack_data) |
2499 | { | |
2500 | return bytecode_interpret(filter_data, filter_stack_data, NULL); | |
2501 | } | |
2502 | ||
d37ecb3f FD |
2503 | uint64_t lttng_bytecode_capture_interpret(void *capture_data, |
2504 | const char *capture_stack_data, | |
2505 | struct lttng_interpreter_output *output) | |
2506 | { | |
2507 | return bytecode_interpret(capture_data, capture_stack_data, | |
2508 | (struct lttng_interpreter_output *) output); | |
2509 | } | |
2510 | ||
97b58163 MD |
2511 | #undef START_OP |
2512 | #undef OP | |
2513 | #undef PO | |
2514 | #undef END_OP |