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; | |
226 | struct lttng_event_field *field; | |
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 MD |
247 | case atype_enum: /* Fall-through */ |
248 | case atype_enum_nestable: | |
47e5f13e | 249 | { |
218deb69 | 250 | const struct lttng_integer_type *itype; |
47e5f13e | 251 | |
218deb69 MD |
252 | if (field->type.atype == atype_enum) { |
253 | itype = &field->type.u.legacy.basic.enumeration.container_type; | |
254 | } else { | |
255 | itype = &field->type.u.enum_nestable.container_type->u.integer; | |
256 | } | |
47e5f13e MD |
257 | ctx_field->get_value(ctx_field, &v); |
258 | if (itype->signedness) { | |
70f9f7f9 | 259 | ptr->object_type = OBJECT_TYPE_SIGNED_ENUM; |
47e5f13e MD |
260 | ptr->u.s64 = v.u.s64; |
261 | ptr->ptr = &ptr->u.s64; | |
262 | } else { | |
70f9f7f9 | 263 | ptr->object_type = OBJECT_TYPE_UNSIGNED_ENUM; |
47e5f13e MD |
264 | ptr->u.u64 = v.u.s64; /* Cast. */ |
265 | ptr->ptr = &ptr->u.u64; | |
266 | } | |
267 | break; | |
268 | } | |
269 | case atype_array: | |
218deb69 MD |
270 | if (field->type.u.legacy.array.elem_type.atype != atype_integer) { |
271 | ERR("Array nesting only supports integer types."); | |
272 | return -EINVAL; | |
273 | } | |
274 | if (field->type.u.legacy.array.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
275 | ERR("Only string arrays are supported for contexts."); | |
276 | return -EINVAL; | |
277 | } | |
278 | ptr->object_type = OBJECT_TYPE_STRING; | |
279 | ctx_field->get_value(ctx_field, &v); | |
280 | ptr->ptr = v.u.str; | |
281 | break; | |
282 | case atype_array_nestable: | |
283 | if (field->type.u.array_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
284 | ERR("Array nesting only supports integer types."); |
285 | return -EINVAL; | |
286 | } | |
218deb69 | 287 | if (field->type.u.array_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
288 | ERR("Only string arrays are supported for contexts."); |
289 | return -EINVAL; | |
290 | } | |
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_sequence: | |
218deb69 MD |
296 | if (field->type.u.legacy.sequence.elem_type.atype != atype_integer) { |
297 | ERR("Sequence nesting only supports integer types."); | |
298 | return -EINVAL; | |
299 | } | |
300 | if (field->type.u.legacy.sequence.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
301 | ERR("Only string sequences are supported for contexts."); | |
302 | return -EINVAL; | |
303 | } | |
304 | ptr->object_type = OBJECT_TYPE_STRING; | |
305 | ctx_field->get_value(ctx_field, &v); | |
306 | ptr->ptr = v.u.str; | |
307 | break; | |
308 | case atype_sequence_nestable: | |
309 | if (field->type.u.sequence_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
310 | ERR("Sequence nesting only supports integer types."); |
311 | return -EINVAL; | |
312 | } | |
218deb69 | 313 | if (field->type.u.sequence_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
314 | ERR("Only string sequences are supported for contexts."); |
315 | return -EINVAL; | |
316 | } | |
317 | ptr->object_type = OBJECT_TYPE_STRING; | |
318 | ctx_field->get_value(ctx_field, &v); | |
319 | ptr->ptr = v.u.str; | |
320 | break; | |
321 | case atype_string: | |
322 | ptr->object_type = OBJECT_TYPE_STRING; | |
323 | ctx_field->get_value(ctx_field, &v); | |
324 | ptr->ptr = v.u.str; | |
325 | break; | |
326 | case atype_float: | |
327 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
0245c698 | 328 | ctx_field->get_value(ctx_field, &v); |
47e5f13e MD |
329 | ptr->u.d = v.u.d; |
330 | ptr->ptr = &ptr->u.d; | |
331 | break; | |
332 | case atype_dynamic: | |
333 | ctx_field->get_value(ctx_field, &v); | |
334 | switch (v.sel) { | |
335 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
336 | return -EINVAL; | |
86133caf FD |
337 | case LTTNG_UST_DYNAMIC_TYPE_U8: |
338 | case LTTNG_UST_DYNAMIC_TYPE_U16: | |
339 | case LTTNG_UST_DYNAMIC_TYPE_U32: | |
340 | case LTTNG_UST_DYNAMIC_TYPE_U64: | |
341 | ptr->object_type = OBJECT_TYPE_U64; | |
342 | ptr->u.u64 = v.u.u64; | |
343 | ptr->ptr = &ptr->u.u64; | |
344 | dbg_printf("context get index dynamic u64 %" PRIi64 "\n", ptr->u.u64); | |
345 | break; | |
346 | case LTTNG_UST_DYNAMIC_TYPE_S8: | |
347 | case LTTNG_UST_DYNAMIC_TYPE_S16: | |
348 | case LTTNG_UST_DYNAMIC_TYPE_S32: | |
47e5f13e MD |
349 | case LTTNG_UST_DYNAMIC_TYPE_S64: |
350 | ptr->object_type = OBJECT_TYPE_S64; | |
351 | ptr->u.s64 = v.u.s64; | |
352 | ptr->ptr = &ptr->u.s64; | |
353 | dbg_printf("context get index dynamic s64 %" PRIi64 "\n", ptr->u.s64); | |
354 | break; | |
86133caf | 355 | case LTTNG_UST_DYNAMIC_TYPE_FLOAT: |
47e5f13e MD |
356 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: |
357 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
358 | ptr->u.d = v.u.d; | |
359 | ptr->ptr = &ptr->u.d; | |
360 | dbg_printf("context get index dynamic double %g\n", ptr->u.d); | |
361 | break; | |
362 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
363 | ptr->object_type = OBJECT_TYPE_STRING; | |
364 | ptr->ptr = v.u.str; | |
365 | dbg_printf("context get index dynamic string %s\n", (const char *) ptr->ptr); | |
366 | break; | |
367 | default: | |
04aa13f8 | 368 | dbg_printf("Interpreter warning: unknown dynamic type (%d).\n", (int) v.sel); |
47e5f13e MD |
369 | return -EINVAL; |
370 | } | |
371 | break; | |
372 | case atype_struct: | |
373 | ERR("Structure type cannot be loaded."); | |
374 | return -EINVAL; | |
375 | default: | |
376 | ERR("Unknown type: %d", (int) field->type.atype); | |
377 | return -EINVAL; | |
378 | } | |
379 | return 0; | |
380 | } | |
381 | ||
b77aaa1b | 382 | static int dynamic_get_index(struct lttng_ctx *ctx, |
47e5f13e MD |
383 | struct bytecode_runtime *runtime, |
384 | uint64_t index, struct estack_entry *stack_top) | |
385 | { | |
386 | int ret; | |
04aa13f8 | 387 | const struct bytecode_get_index_data *gid; |
47e5f13e | 388 | |
04aa13f8 | 389 | gid = (const struct bytecode_get_index_data *) &runtime->data[index]; |
47e5f13e MD |
390 | switch (stack_top->u.ptr.type) { |
391 | case LOAD_OBJECT: | |
392 | switch (stack_top->u.ptr.object_type) { | |
393 | case OBJECT_TYPE_ARRAY: | |
394 | { | |
395 | const char *ptr; | |
396 | ||
397 | assert(gid->offset < gid->array_len); | |
398 | /* Skip count (unsigned long) */ | |
399 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
400 | ptr = ptr + gid->offset; | |
401 | stack_top->u.ptr.ptr = ptr; | |
402 | stack_top->u.ptr.object_type = gid->elem.type; | |
403 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
f3503ba9 FD |
404 | assert(stack_top->u.ptr.field->type.atype == atype_array || |
405 | stack_top->u.ptr.field->type.atype == atype_array_nestable); | |
47e5f13e MD |
406 | stack_top->u.ptr.field = NULL; |
407 | break; | |
408 | } | |
409 | case OBJECT_TYPE_SEQUENCE: | |
410 | { | |
411 | const char *ptr; | |
412 | size_t ptr_seq_len; | |
413 | ||
414 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
415 | ptr_seq_len = *(unsigned long *) stack_top->u.ptr.ptr; | |
416 | if (gid->offset >= gid->elem.len * ptr_seq_len) { | |
417 | ret = -EINVAL; | |
418 | goto end; | |
419 | } | |
420 | ptr = ptr + gid->offset; | |
421 | stack_top->u.ptr.ptr = ptr; | |
422 | stack_top->u.ptr.object_type = gid->elem.type; | |
423 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
f3503ba9 FD |
424 | assert(stack_top->u.ptr.field->type.atype == atype_sequence || |
425 | stack_top->u.ptr.field->type.atype == atype_sequence_nestable); | |
47e5f13e MD |
426 | stack_top->u.ptr.field = NULL; |
427 | break; | |
428 | } | |
429 | case OBJECT_TYPE_STRUCT: | |
430 | ERR("Nested structures are not supported yet."); | |
431 | ret = -EINVAL; | |
432 | goto end; | |
433 | case OBJECT_TYPE_VARIANT: | |
434 | default: | |
435 | ERR("Unexpected get index type %d", | |
436 | (int) stack_top->u.ptr.object_type); | |
437 | ret = -EINVAL; | |
438 | goto end; | |
439 | } | |
440 | break; | |
441 | case LOAD_ROOT_CONTEXT: | |
442 | case LOAD_ROOT_APP_CONTEXT: /* Fall-through */ | |
443 | { | |
47e5f13e MD |
444 | ret = context_get_index(ctx, |
445 | &stack_top->u.ptr, | |
446 | gid->ctx_index); | |
447 | if (ret) { | |
448 | goto end; | |
449 | } | |
450 | break; | |
451 | } | |
452 | case LOAD_ROOT_PAYLOAD: | |
453 | stack_top->u.ptr.ptr += gid->offset; | |
454 | if (gid->elem.type == OBJECT_TYPE_STRING) | |
455 | stack_top->u.ptr.ptr = *(const char * const *) stack_top->u.ptr.ptr; | |
456 | stack_top->u.ptr.object_type = gid->elem.type; | |
457 | stack_top->u.ptr.type = LOAD_OBJECT; | |
f3503ba9 | 458 | stack_top->u.ptr.field = gid->field; |
6bbd9df3 | 459 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; |
47e5f13e MD |
460 | break; |
461 | } | |
d312cd35 FD |
462 | |
463 | stack_top->type = REG_PTR; | |
464 | ||
47e5f13e MD |
465 | return 0; |
466 | ||
467 | end: | |
468 | return ret; | |
469 | } | |
470 | ||
471 | static int dynamic_load_field(struct estack_entry *stack_top) | |
472 | { | |
473 | int ret; | |
474 | ||
475 | switch (stack_top->u.ptr.type) { | |
476 | case LOAD_OBJECT: | |
477 | break; | |
478 | case LOAD_ROOT_CONTEXT: | |
479 | case LOAD_ROOT_APP_CONTEXT: | |
480 | case LOAD_ROOT_PAYLOAD: | |
481 | default: | |
04aa13f8 | 482 | dbg_printf("Interpreter warning: cannot load root, missing field name.\n"); |
47e5f13e MD |
483 | ret = -EINVAL; |
484 | goto end; | |
485 | } | |
486 | switch (stack_top->u.ptr.object_type) { | |
487 | case OBJECT_TYPE_S8: | |
488 | dbg_printf("op load field s8\n"); | |
489 | stack_top->u.v = *(int8_t *) stack_top->u.ptr.ptr; | |
490 | stack_top->type = REG_S64; | |
491 | break; | |
492 | case OBJECT_TYPE_S16: | |
493 | { | |
494 | int16_t tmp; | |
495 | ||
496 | dbg_printf("op load field s16\n"); | |
497 | tmp = *(int16_t *) stack_top->u.ptr.ptr; | |
498 | if (stack_top->u.ptr.rev_bo) | |
499 | tmp = bswap_16(tmp); | |
500 | stack_top->u.v = tmp; | |
501 | stack_top->type = REG_S64; | |
502 | break; | |
503 | } | |
504 | case OBJECT_TYPE_S32: | |
505 | { | |
506 | int32_t tmp; | |
507 | ||
508 | dbg_printf("op load field s32\n"); | |
509 | tmp = *(int32_t *) stack_top->u.ptr.ptr; | |
510 | if (stack_top->u.ptr.rev_bo) | |
511 | tmp = bswap_32(tmp); | |
512 | stack_top->u.v = tmp; | |
513 | stack_top->type = REG_S64; | |
514 | break; | |
515 | } | |
516 | case OBJECT_TYPE_S64: | |
517 | { | |
518 | int64_t tmp; | |
519 | ||
520 | dbg_printf("op load field s64\n"); | |
521 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
522 | if (stack_top->u.ptr.rev_bo) | |
523 | tmp = bswap_64(tmp); | |
524 | stack_top->u.v = tmp; | |
525 | stack_top->type = REG_S64; | |
526 | break; | |
527 | } | |
70f9f7f9 FD |
528 | case OBJECT_TYPE_SIGNED_ENUM: |
529 | { | |
530 | int64_t tmp; | |
531 | ||
532 | dbg_printf("op load field signed enumeration\n"); | |
533 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
534 | if (stack_top->u.ptr.rev_bo) | |
535 | tmp = bswap_64(tmp); | |
536 | stack_top->u.v = tmp; | |
537 | stack_top->type = REG_S64; | |
538 | break; | |
539 | } | |
47e5f13e MD |
540 | case OBJECT_TYPE_U8: |
541 | dbg_printf("op load field u8\n"); | |
542 | stack_top->u.v = *(uint8_t *) stack_top->u.ptr.ptr; | |
d97f9b78 | 543 | stack_top->type = REG_U64; |
47e5f13e MD |
544 | break; |
545 | case OBJECT_TYPE_U16: | |
546 | { | |
547 | uint16_t tmp; | |
548 | ||
055d27d7 | 549 | dbg_printf("op load field u16\n"); |
47e5f13e MD |
550 | tmp = *(uint16_t *) stack_top->u.ptr.ptr; |
551 | if (stack_top->u.ptr.rev_bo) | |
552 | tmp = bswap_16(tmp); | |
553 | stack_top->u.v = tmp; | |
d97f9b78 | 554 | stack_top->type = REG_U64; |
47e5f13e MD |
555 | break; |
556 | } | |
557 | case OBJECT_TYPE_U32: | |
558 | { | |
559 | uint32_t tmp; | |
560 | ||
561 | dbg_printf("op load field u32\n"); | |
562 | tmp = *(uint32_t *) stack_top->u.ptr.ptr; | |
563 | if (stack_top->u.ptr.rev_bo) | |
564 | tmp = bswap_32(tmp); | |
565 | stack_top->u.v = tmp; | |
d97f9b78 | 566 | stack_top->type = REG_U64; |
47e5f13e MD |
567 | break; |
568 | } | |
569 | case OBJECT_TYPE_U64: | |
570 | { | |
571 | uint64_t tmp; | |
572 | ||
573 | dbg_printf("op load field u64\n"); | |
574 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
575 | if (stack_top->u.ptr.rev_bo) | |
576 | tmp = bswap_64(tmp); | |
577 | stack_top->u.v = tmp; | |
d97f9b78 | 578 | stack_top->type = REG_U64; |
47e5f13e MD |
579 | break; |
580 | } | |
70f9f7f9 FD |
581 | case OBJECT_TYPE_UNSIGNED_ENUM: |
582 | { | |
583 | uint64_t tmp; | |
584 | ||
585 | dbg_printf("op load field unsigned enumeration\n"); | |
586 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
587 | if (stack_top->u.ptr.rev_bo) | |
588 | tmp = bswap_64(tmp); | |
589 | stack_top->u.v = tmp; | |
590 | stack_top->type = REG_U64; | |
591 | break; | |
592 | } | |
47e5f13e MD |
593 | case OBJECT_TYPE_DOUBLE: |
594 | memcpy(&stack_top->u.d, | |
595 | stack_top->u.ptr.ptr, | |
596 | sizeof(struct literal_double)); | |
597 | stack_top->type = REG_DOUBLE; | |
598 | break; | |
599 | case OBJECT_TYPE_STRING: | |
600 | { | |
601 | const char *str; | |
602 | ||
603 | dbg_printf("op load field string\n"); | |
604 | str = (const char *) stack_top->u.ptr.ptr; | |
605 | stack_top->u.s.str = str; | |
606 | if (unlikely(!stack_top->u.s.str)) { | |
04aa13f8 | 607 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
47e5f13e MD |
608 | ret = -EINVAL; |
609 | goto end; | |
610 | } | |
611 | stack_top->u.s.seq_len = SIZE_MAX; | |
612 | stack_top->u.s.literal_type = | |
613 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
614 | stack_top->type = REG_STRING; | |
615 | break; | |
616 | } | |
617 | case OBJECT_TYPE_STRING_SEQUENCE: | |
618 | { | |
619 | const char *ptr; | |
620 | ||
621 | dbg_printf("op load field string sequence\n"); | |
622 | ptr = stack_top->u.ptr.ptr; | |
623 | stack_top->u.s.seq_len = *(unsigned long *) ptr; | |
624 | stack_top->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
625 | stack_top->type = REG_STRING; | |
626 | if (unlikely(!stack_top->u.s.str)) { | |
04aa13f8 | 627 | dbg_printf("Interpreter warning: loading a NULL sequence.\n"); |
47e5f13e MD |
628 | ret = -EINVAL; |
629 | goto end; | |
630 | } | |
631 | stack_top->u.s.literal_type = | |
632 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
633 | break; | |
634 | } | |
635 | case OBJECT_TYPE_DYNAMIC: | |
636 | /* | |
637 | * Dynamic types in context are looked up | |
638 | * by context get index. | |
639 | */ | |
640 | ret = -EINVAL; | |
641 | goto end; | |
642 | case OBJECT_TYPE_SEQUENCE: | |
643 | case OBJECT_TYPE_ARRAY: | |
644 | case OBJECT_TYPE_STRUCT: | |
645 | case OBJECT_TYPE_VARIANT: | |
646 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
647 | ret = -EINVAL; | |
648 | goto end; | |
649 | } | |
650 | return 0; | |
651 | ||
652 | end: | |
653 | return ret; | |
654 | } | |
655 | ||
f3503ba9 FD |
656 | static |
657 | int lttng_bytecode_interpret_format_output(struct estack_entry *ax, | |
658 | struct lttng_interpreter_output *output) | |
659 | { | |
660 | int ret; | |
661 | ||
662 | again: | |
663 | switch (ax->type) { | |
664 | case REG_S64: | |
665 | output->type = LTTNG_INTERPRETER_TYPE_S64; | |
666 | output->u.s = ax->u.v; | |
667 | break; | |
668 | case REG_U64: | |
669 | output->type = LTTNG_INTERPRETER_TYPE_U64; | |
670 | output->u.u = (uint64_t) ax->u.v; | |
671 | break; | |
672 | case REG_DOUBLE: | |
673 | output->type = LTTNG_INTERPRETER_TYPE_DOUBLE; | |
674 | output->u.d = ax->u.d; | |
675 | break; | |
676 | case REG_STRING: | |
677 | output->type = LTTNG_INTERPRETER_TYPE_STRING; | |
678 | output->u.str.str = ax->u.s.str; | |
679 | output->u.str.len = ax->u.s.seq_len; | |
680 | break; | |
681 | case REG_PTR: | |
682 | switch (ax->u.ptr.object_type) { | |
683 | case OBJECT_TYPE_S8: | |
684 | case OBJECT_TYPE_S16: | |
685 | case OBJECT_TYPE_S32: | |
686 | case OBJECT_TYPE_S64: | |
687 | case OBJECT_TYPE_U8: | |
688 | case OBJECT_TYPE_U16: | |
689 | case OBJECT_TYPE_U32: | |
690 | case OBJECT_TYPE_U64: | |
691 | case OBJECT_TYPE_DOUBLE: | |
692 | case OBJECT_TYPE_STRING: | |
693 | case OBJECT_TYPE_STRING_SEQUENCE: | |
694 | ret = dynamic_load_field(ax); | |
695 | if (ret) | |
696 | return ret; | |
697 | /* Retry after loading ptr into stack top. */ | |
698 | goto again; | |
699 | case OBJECT_TYPE_SEQUENCE: | |
700 | output->type = LTTNG_INTERPRETER_TYPE_SEQUENCE; | |
701 | output->u.sequence.ptr = *(const char **) (ax->u.ptr.ptr + sizeof(unsigned long)); | |
702 | output->u.sequence.nr_elem = *(unsigned long *) ax->u.ptr.ptr; | |
703 | output->u.sequence.nested_type = ax->u.ptr.field->type.u.sequence_nestable.elem_type; | |
704 | break; | |
705 | case OBJECT_TYPE_ARRAY: | |
706 | /* Skip count (unsigned long) */ | |
707 | output->type = LTTNG_INTERPRETER_TYPE_SEQUENCE; | |
708 | output->u.sequence.ptr = *(const char **) (ax->u.ptr.ptr + sizeof(unsigned long)); | |
709 | output->u.sequence.nr_elem = ax->u.ptr.field->type.u.array_nestable.length; | |
710 | output->u.sequence.nested_type = ax->u.ptr.field->type.u.array_nestable.elem_type; | |
711 | break; | |
70f9f7f9 FD |
712 | case OBJECT_TYPE_SIGNED_ENUM: |
713 | ret = dynamic_load_field(ax); | |
714 | if (ret) | |
715 | return ret; | |
716 | output->type = LTTNG_INTERPRETER_TYPE_SIGNED_ENUM; | |
717 | output->u.s = ax->u.v; | |
718 | break; | |
719 | case OBJECT_TYPE_UNSIGNED_ENUM: | |
720 | ret = dynamic_load_field(ax); | |
721 | if (ret) | |
722 | return ret; | |
723 | output->type = LTTNG_INTERPRETER_TYPE_UNSIGNED_ENUM; | |
724 | output->u.u = ax->u.v; | |
725 | break; | |
f3503ba9 FD |
726 | case OBJECT_TYPE_STRUCT: |
727 | case OBJECT_TYPE_VARIANT: | |
728 | default: | |
729 | return -EINVAL; | |
730 | } | |
731 | ||
732 | break; | |
733 | case REG_STAR_GLOB_STRING: | |
734 | case REG_UNKNOWN: | |
735 | default: | |
736 | return -EINVAL; | |
737 | } | |
738 | ||
04aa13f8 | 739 | return LTTNG_INTERPRETER_RECORD_FLAG; |
f3503ba9 FD |
740 | } |
741 | ||
8a92ed2a | 742 | /* |
d37ecb3f FD |
743 | * For `output` equal to NULL: |
744 | * Return 0 (discard), or raise the 0x1 flag (log event). | |
745 | * Currently, other flags are kept for future extensions and have no | |
746 | * effect. | |
747 | * For `output` not equal to NULL: | |
748 | * Return 0 on success, negative error value on error. | |
8a92ed2a | 749 | */ |
f3503ba9 FD |
750 | static |
751 | uint64_t bytecode_interpret(void *interpreter_data, | |
752 | const char *interpreter_stack_data, | |
753 | struct lttng_interpreter_output *output) | |
97b58163 | 754 | { |
f3503ba9 | 755 | struct bytecode_runtime *bytecode = interpreter_data; |
362a65de | 756 | struct lttng_ctx *ctx = lttng_ust_rcu_dereference(*bytecode->p.priv->pctx); |
97b58163 MD |
757 | void *pc, *next_pc, *start_pc; |
758 | int ret = -EINVAL; | |
8b82df15 | 759 | uint64_t retval = 0; |
0305960f MD |
760 | struct estack _stack; |
761 | struct estack *stack = &_stack; | |
9b33aac4 | 762 | register int64_t ax = 0, bx = 0; |
53569322 | 763 | register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; |
04aa13f8 | 764 | register int top = INTERPRETER_STACK_EMPTY; |
97b58163 | 765 | #ifndef INTERPRETER_USE_SWITCH |
04aa13f8 FD |
766 | static void *dispatch[NR_BYTECODE_OPS] = { |
767 | [ BYTECODE_OP_UNKNOWN ] = &&LABEL_BYTECODE_OP_UNKNOWN, | |
97b58163 | 768 | |
04aa13f8 | 769 | [ BYTECODE_OP_RETURN ] = &&LABEL_BYTECODE_OP_RETURN, |
97b58163 MD |
770 | |
771 | /* binary */ | |
04aa13f8 FD |
772 | [ BYTECODE_OP_MUL ] = &&LABEL_BYTECODE_OP_MUL, |
773 | [ BYTECODE_OP_DIV ] = &&LABEL_BYTECODE_OP_DIV, | |
774 | [ BYTECODE_OP_MOD ] = &&LABEL_BYTECODE_OP_MOD, | |
775 | [ BYTECODE_OP_PLUS ] = &&LABEL_BYTECODE_OP_PLUS, | |
776 | [ BYTECODE_OP_MINUS ] = &&LABEL_BYTECODE_OP_MINUS, | |
777 | [ BYTECODE_OP_BIT_RSHIFT ] = &&LABEL_BYTECODE_OP_BIT_RSHIFT, | |
778 | [ BYTECODE_OP_BIT_LSHIFT ] = &&LABEL_BYTECODE_OP_BIT_LSHIFT, | |
779 | [ BYTECODE_OP_BIT_AND ] = &&LABEL_BYTECODE_OP_BIT_AND, | |
780 | [ BYTECODE_OP_BIT_OR ] = &&LABEL_BYTECODE_OP_BIT_OR, | |
781 | [ BYTECODE_OP_BIT_XOR ] = &&LABEL_BYTECODE_OP_BIT_XOR, | |
97b58163 MD |
782 | |
783 | /* binary comparators */ | |
04aa13f8 FD |
784 | [ BYTECODE_OP_EQ ] = &&LABEL_BYTECODE_OP_EQ, |
785 | [ BYTECODE_OP_NE ] = &&LABEL_BYTECODE_OP_NE, | |
786 | [ BYTECODE_OP_GT ] = &&LABEL_BYTECODE_OP_GT, | |
787 | [ BYTECODE_OP_LT ] = &&LABEL_BYTECODE_OP_LT, | |
788 | [ BYTECODE_OP_GE ] = &&LABEL_BYTECODE_OP_GE, | |
789 | [ BYTECODE_OP_LE ] = &&LABEL_BYTECODE_OP_LE, | |
97b58163 MD |
790 | |
791 | /* string binary comparator */ | |
04aa13f8 FD |
792 | [ BYTECODE_OP_EQ_STRING ] = &&LABEL_BYTECODE_OP_EQ_STRING, |
793 | [ BYTECODE_OP_NE_STRING ] = &&LABEL_BYTECODE_OP_NE_STRING, | |
794 | [ BYTECODE_OP_GT_STRING ] = &&LABEL_BYTECODE_OP_GT_STRING, | |
795 | [ BYTECODE_OP_LT_STRING ] = &&LABEL_BYTECODE_OP_LT_STRING, | |
796 | [ BYTECODE_OP_GE_STRING ] = &&LABEL_BYTECODE_OP_GE_STRING, | |
797 | [ BYTECODE_OP_LE_STRING ] = &&LABEL_BYTECODE_OP_LE_STRING, | |
97b58163 | 798 | |
3151a51d | 799 | /* globbing pattern binary comparator */ |
04aa13f8 FD |
800 | [ BYTECODE_OP_EQ_STAR_GLOB_STRING ] = &&LABEL_BYTECODE_OP_EQ_STAR_GLOB_STRING, |
801 | [ BYTECODE_OP_NE_STAR_GLOB_STRING ] = &&LABEL_BYTECODE_OP_NE_STAR_GLOB_STRING, | |
3151a51d | 802 | |
97b58163 | 803 | /* s64 binary comparator */ |
04aa13f8 FD |
804 | [ BYTECODE_OP_EQ_S64 ] = &&LABEL_BYTECODE_OP_EQ_S64, |
805 | [ BYTECODE_OP_NE_S64 ] = &&LABEL_BYTECODE_OP_NE_S64, | |
806 | [ BYTECODE_OP_GT_S64 ] = &&LABEL_BYTECODE_OP_GT_S64, | |
807 | [ BYTECODE_OP_LT_S64 ] = &&LABEL_BYTECODE_OP_LT_S64, | |
808 | [ BYTECODE_OP_GE_S64 ] = &&LABEL_BYTECODE_OP_GE_S64, | |
809 | [ BYTECODE_OP_LE_S64 ] = &&LABEL_BYTECODE_OP_LE_S64, | |
97b58163 MD |
810 | |
811 | /* double binary comparator */ | |
04aa13f8 FD |
812 | [ BYTECODE_OP_EQ_DOUBLE ] = &&LABEL_BYTECODE_OP_EQ_DOUBLE, |
813 | [ BYTECODE_OP_NE_DOUBLE ] = &&LABEL_BYTECODE_OP_NE_DOUBLE, | |
814 | [ BYTECODE_OP_GT_DOUBLE ] = &&LABEL_BYTECODE_OP_GT_DOUBLE, | |
815 | [ BYTECODE_OP_LT_DOUBLE ] = &&LABEL_BYTECODE_OP_LT_DOUBLE, | |
816 | [ BYTECODE_OP_GE_DOUBLE ] = &&LABEL_BYTECODE_OP_GE_DOUBLE, | |
817 | [ BYTECODE_OP_LE_DOUBLE ] = &&LABEL_BYTECODE_OP_LE_DOUBLE, | |
97b58163 | 818 | |
dbea82ec | 819 | /* Mixed S64-double binary comparators */ |
04aa13f8 FD |
820 | [ BYTECODE_OP_EQ_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_EQ_DOUBLE_S64, |
821 | [ BYTECODE_OP_NE_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_NE_DOUBLE_S64, | |
822 | [ BYTECODE_OP_GT_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_GT_DOUBLE_S64, | |
823 | [ BYTECODE_OP_LT_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_LT_DOUBLE_S64, | |
824 | [ BYTECODE_OP_GE_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_GE_DOUBLE_S64, | |
825 | [ BYTECODE_OP_LE_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_LE_DOUBLE_S64, | |
826 | ||
827 | [ BYTECODE_OP_EQ_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_EQ_S64_DOUBLE, | |
828 | [ BYTECODE_OP_NE_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_NE_S64_DOUBLE, | |
829 | [ BYTECODE_OP_GT_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_GT_S64_DOUBLE, | |
830 | [ BYTECODE_OP_LT_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_LT_S64_DOUBLE, | |
831 | [ BYTECODE_OP_GE_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_GE_S64_DOUBLE, | |
832 | [ BYTECODE_OP_LE_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_LE_S64_DOUBLE, | |
dbea82ec | 833 | |
97b58163 | 834 | /* unary */ |
04aa13f8 FD |
835 | [ BYTECODE_OP_UNARY_PLUS ] = &&LABEL_BYTECODE_OP_UNARY_PLUS, |
836 | [ BYTECODE_OP_UNARY_MINUS ] = &&LABEL_BYTECODE_OP_UNARY_MINUS, | |
837 | [ BYTECODE_OP_UNARY_NOT ] = &&LABEL_BYTECODE_OP_UNARY_NOT, | |
838 | [ BYTECODE_OP_UNARY_PLUS_S64 ] = &&LABEL_BYTECODE_OP_UNARY_PLUS_S64, | |
839 | [ BYTECODE_OP_UNARY_MINUS_S64 ] = &&LABEL_BYTECODE_OP_UNARY_MINUS_S64, | |
840 | [ BYTECODE_OP_UNARY_NOT_S64 ] = &&LABEL_BYTECODE_OP_UNARY_NOT_S64, | |
841 | [ BYTECODE_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_BYTECODE_OP_UNARY_PLUS_DOUBLE, | |
842 | [ BYTECODE_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_BYTECODE_OP_UNARY_MINUS_DOUBLE, | |
843 | [ BYTECODE_OP_UNARY_NOT_DOUBLE ] = &&LABEL_BYTECODE_OP_UNARY_NOT_DOUBLE, | |
97b58163 MD |
844 | |
845 | /* logical */ | |
04aa13f8 FD |
846 | [ BYTECODE_OP_AND ] = &&LABEL_BYTECODE_OP_AND, |
847 | [ BYTECODE_OP_OR ] = &&LABEL_BYTECODE_OP_OR, | |
97b58163 | 848 | |
77aa5901 | 849 | /* load field ref */ |
04aa13f8 FD |
850 | [ BYTECODE_OP_LOAD_FIELD_REF ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF, |
851 | [ BYTECODE_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF_STRING, | |
852 | [ BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE, | |
853 | [ BYTECODE_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF_S64, | |
854 | [ BYTECODE_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF_DOUBLE, | |
97b58163 | 855 | |
77aa5901 | 856 | /* load from immediate operand */ |
04aa13f8 FD |
857 | [ BYTECODE_OP_LOAD_STRING ] = &&LABEL_BYTECODE_OP_LOAD_STRING, |
858 | [ BYTECODE_OP_LOAD_STAR_GLOB_STRING ] = &&LABEL_BYTECODE_OP_LOAD_STAR_GLOB_STRING, | |
859 | [ BYTECODE_OP_LOAD_S64 ] = &&LABEL_BYTECODE_OP_LOAD_S64, | |
860 | [ BYTECODE_OP_LOAD_DOUBLE ] = &&LABEL_BYTECODE_OP_LOAD_DOUBLE, | |
97b58163 MD |
861 | |
862 | /* cast */ | |
04aa13f8 FD |
863 | [ BYTECODE_OP_CAST_TO_S64 ] = &&LABEL_BYTECODE_OP_CAST_TO_S64, |
864 | [ BYTECODE_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_BYTECODE_OP_CAST_DOUBLE_TO_S64, | |
865 | [ BYTECODE_OP_CAST_NOP ] = &&LABEL_BYTECODE_OP_CAST_NOP, | |
77aa5901 MD |
866 | |
867 | /* get context ref */ | |
04aa13f8 FD |
868 | [ BYTECODE_OP_GET_CONTEXT_REF ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_REF, |
869 | [ BYTECODE_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_REF_STRING, | |
870 | [ BYTECODE_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_REF_S64, | |
871 | [ BYTECODE_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_REF_DOUBLE, | |
47e5f13e MD |
872 | |
873 | /* Instructions for recursive traversal through composed types. */ | |
04aa13f8 FD |
874 | [ BYTECODE_OP_GET_CONTEXT_ROOT ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_ROOT, |
875 | [ BYTECODE_OP_GET_APP_CONTEXT_ROOT ] = &&LABEL_BYTECODE_OP_GET_APP_CONTEXT_ROOT, | |
876 | [ BYTECODE_OP_GET_PAYLOAD_ROOT ] = &&LABEL_BYTECODE_OP_GET_PAYLOAD_ROOT, | |
877 | ||
878 | [ BYTECODE_OP_GET_SYMBOL ] = &&LABEL_BYTECODE_OP_GET_SYMBOL, | |
879 | [ BYTECODE_OP_GET_SYMBOL_FIELD ] = &&LABEL_BYTECODE_OP_GET_SYMBOL_FIELD, | |
880 | [ BYTECODE_OP_GET_INDEX_U16 ] = &&LABEL_BYTECODE_OP_GET_INDEX_U16, | |
881 | [ BYTECODE_OP_GET_INDEX_U64 ] = &&LABEL_BYTECODE_OP_GET_INDEX_U64, | |
882 | ||
883 | [ BYTECODE_OP_LOAD_FIELD ] = &&LABEL_BYTECODE_OP_LOAD_FIELD, | |
884 | [ BYTECODE_OP_LOAD_FIELD_S8 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_S8, | |
885 | [ BYTECODE_OP_LOAD_FIELD_S16 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_S16, | |
886 | [ BYTECODE_OP_LOAD_FIELD_S32 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_S32, | |
887 | [ BYTECODE_OP_LOAD_FIELD_S64 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_S64, | |
888 | [ BYTECODE_OP_LOAD_FIELD_U8 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_U8, | |
889 | [ BYTECODE_OP_LOAD_FIELD_U16 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_U16, | |
890 | [ BYTECODE_OP_LOAD_FIELD_U32 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_U32, | |
891 | [ BYTECODE_OP_LOAD_FIELD_U64 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_U64, | |
892 | [ BYTECODE_OP_LOAD_FIELD_STRING ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_STRING, | |
893 | [ BYTECODE_OP_LOAD_FIELD_SEQUENCE ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_SEQUENCE, | |
894 | [ BYTECODE_OP_LOAD_FIELD_DOUBLE ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_DOUBLE, | |
895 | ||
896 | [ BYTECODE_OP_UNARY_BIT_NOT ] = &&LABEL_BYTECODE_OP_UNARY_BIT_NOT, | |
897 | ||
898 | [ BYTECODE_OP_RETURN_S64 ] = &&LABEL_BYTECODE_OP_RETURN_S64, | |
97b58163 MD |
899 | }; |
900 | #endif /* #ifndef INTERPRETER_USE_SWITCH */ | |
901 | ||
902 | START_OP | |
903 | ||
04aa13f8 FD |
904 | OP(BYTECODE_OP_UNKNOWN): |
905 | OP(BYTECODE_OP_LOAD_FIELD_REF): | |
97b58163 MD |
906 | #ifdef INTERPRETER_USE_SWITCH |
907 | default: | |
908 | #endif /* INTERPRETER_USE_SWITCH */ | |
47e5f13e | 909 | ERR("unknown bytecode op %u", |
04aa13f8 | 910 | (unsigned int) *(bytecode_opcode_t *) pc); |
97b58163 MD |
911 | ret = -EINVAL; |
912 | goto end; | |
913 | ||
04aa13f8 FD |
914 | OP(BYTECODE_OP_RETURN): |
915 | /* LTTNG_INTERPRETER_DISCARD or LTTNG_INTERPRETER_RECORD_FLAG */ | |
47e5f13e MD |
916 | /* Handle dynamic typing. */ |
917 | switch (estack_ax_t) { | |
918 | case REG_S64: | |
d97f9b78 | 919 | case REG_U64: |
47e5f13e MD |
920 | retval = !!estack_ax_v; |
921 | break; | |
922 | case REG_DOUBLE: | |
923 | case REG_STRING: | |
f3503ba9 FD |
924 | case REG_PTR: |
925 | if (!output) { | |
926 | ret = -EINVAL; | |
927 | goto end; | |
928 | } | |
929 | retval = 0; | |
930 | break; | |
47e5f13e | 931 | case REG_STAR_GLOB_STRING: |
f3503ba9 | 932 | case REG_UNKNOWN: |
47e5f13e MD |
933 | default: |
934 | ret = -EINVAL; | |
935 | goto end; | |
936 | } | |
97b58163 MD |
937 | ret = 0; |
938 | goto end; | |
939 | ||
04aa13f8 FD |
940 | OP(BYTECODE_OP_RETURN_S64): |
941 | /* LTTNG_INTERPRETER_DISCARD or LTTNG_INTERPRETER_RECORD_FLAG */ | |
93c591bb MD |
942 | retval = !!estack_ax_v; |
943 | ret = 0; | |
944 | goto end; | |
945 | ||
97b58163 | 946 | /* binary */ |
04aa13f8 FD |
947 | OP(BYTECODE_OP_MUL): |
948 | OP(BYTECODE_OP_DIV): | |
949 | OP(BYTECODE_OP_MOD): | |
950 | OP(BYTECODE_OP_PLUS): | |
951 | OP(BYTECODE_OP_MINUS): | |
47e5f13e | 952 | ERR("unsupported bytecode op %u", |
04aa13f8 | 953 | (unsigned int) *(bytecode_opcode_t *) pc); |
97b58163 MD |
954 | ret = -EINVAL; |
955 | goto end; | |
956 | ||
04aa13f8 | 957 | OP(BYTECODE_OP_EQ): |
53569322 MD |
958 | { |
959 | /* Dynamic typing. */ | |
960 | switch (estack_ax_t) { | |
d97f9b78 MD |
961 | case REG_S64: /* Fall-through */ |
962 | case REG_U64: | |
53569322 | 963 | switch (estack_bx_t) { |
d97f9b78 MD |
964 | case REG_S64: /* Fall-through */ |
965 | case REG_U64: | |
04aa13f8 | 966 | JUMP_TO(BYTECODE_OP_EQ_S64); |
53569322 | 967 | case REG_DOUBLE: |
04aa13f8 | 968 | JUMP_TO(BYTECODE_OP_EQ_DOUBLE_S64); |
3151a51d PP |
969 | case REG_STRING: /* Fall-through */ |
970 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
971 | ret = -EINVAL; |
972 | goto end; | |
973 | default: | |
04aa13f8 | 974 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
975 | (int) estack_bx_t); |
976 | ret = -EINVAL; | |
977 | goto end; | |
978 | } | |
979 | break; | |
980 | case REG_DOUBLE: | |
981 | switch (estack_bx_t) { | |
d97f9b78 MD |
982 | case REG_S64: /* Fall-through */ |
983 | case REG_U64: | |
04aa13f8 | 984 | JUMP_TO(BYTECODE_OP_EQ_S64_DOUBLE); |
53569322 | 985 | case REG_DOUBLE: |
04aa13f8 | 986 | JUMP_TO(BYTECODE_OP_EQ_DOUBLE); |
3151a51d PP |
987 | case REG_STRING: /* Fall-through */ |
988 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
989 | ret = -EINVAL; |
990 | goto end; | |
991 | default: | |
04aa13f8 | 992 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
993 | (int) estack_bx_t); |
994 | ret = -EINVAL; | |
995 | goto end; | |
996 | } | |
997 | break; | |
998 | case REG_STRING: | |
999 | switch (estack_bx_t) { | |
1000 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1001 | case REG_U64: /* Fall-through */ |
53569322 MD |
1002 | case REG_DOUBLE: |
1003 | ret = -EINVAL; | |
1004 | goto end; | |
1005 | case REG_STRING: | |
04aa13f8 | 1006 | JUMP_TO(BYTECODE_OP_EQ_STRING); |
3151a51d | 1007 | case REG_STAR_GLOB_STRING: |
04aa13f8 | 1008 | JUMP_TO(BYTECODE_OP_EQ_STAR_GLOB_STRING); |
3151a51d | 1009 | default: |
04aa13f8 | 1010 | ERR("Unknown interpreter register type (%d)", |
3151a51d PP |
1011 | (int) estack_bx_t); |
1012 | ret = -EINVAL; | |
1013 | goto end; | |
1014 | } | |
1015 | break; | |
1016 | case REG_STAR_GLOB_STRING: | |
1017 | switch (estack_bx_t) { | |
1018 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1019 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1020 | case REG_DOUBLE: |
1021 | ret = -EINVAL; | |
1022 | goto end; | |
1023 | case REG_STRING: | |
04aa13f8 | 1024 | JUMP_TO(BYTECODE_OP_EQ_STAR_GLOB_STRING); |
3151a51d PP |
1025 | case REG_STAR_GLOB_STRING: |
1026 | ret = -EINVAL; | |
1027 | goto end; | |
53569322 | 1028 | default: |
04aa13f8 | 1029 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1030 | (int) estack_bx_t); |
1031 | ret = -EINVAL; | |
1032 | goto end; | |
1033 | } | |
1034 | break; | |
1035 | default: | |
04aa13f8 | 1036 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1037 | (int) estack_ax_t); |
1038 | ret = -EINVAL; | |
1039 | goto end; | |
1040 | } | |
1041 | } | |
04aa13f8 | 1042 | OP(BYTECODE_OP_NE): |
53569322 MD |
1043 | { |
1044 | /* Dynamic typing. */ | |
1045 | switch (estack_ax_t) { | |
d97f9b78 MD |
1046 | case REG_S64: /* Fall-through */ |
1047 | case REG_U64: | |
53569322 | 1048 | switch (estack_bx_t) { |
d97f9b78 MD |
1049 | case REG_S64: /* Fall-through */ |
1050 | case REG_U64: | |
04aa13f8 | 1051 | JUMP_TO(BYTECODE_OP_NE_S64); |
53569322 | 1052 | case REG_DOUBLE: |
04aa13f8 | 1053 | JUMP_TO(BYTECODE_OP_NE_DOUBLE_S64); |
3151a51d PP |
1054 | case REG_STRING: /* Fall-through */ |
1055 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1056 | ret = -EINVAL; |
1057 | goto end; | |
1058 | default: | |
04aa13f8 | 1059 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1060 | (int) estack_bx_t); |
1061 | ret = -EINVAL; | |
1062 | goto end; | |
1063 | } | |
1064 | break; | |
1065 | case REG_DOUBLE: | |
1066 | switch (estack_bx_t) { | |
d97f9b78 MD |
1067 | case REG_S64: /* Fall-through */ |
1068 | case REG_U64: | |
04aa13f8 | 1069 | JUMP_TO(BYTECODE_OP_NE_S64_DOUBLE); |
53569322 | 1070 | case REG_DOUBLE: |
04aa13f8 | 1071 | JUMP_TO(BYTECODE_OP_NE_DOUBLE); |
3151a51d PP |
1072 | case REG_STRING: /* Fall-through */ |
1073 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1074 | ret = -EINVAL; |
1075 | goto end; | |
1076 | default: | |
04aa13f8 | 1077 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1078 | (int) estack_bx_t); |
1079 | ret = -EINVAL; | |
1080 | goto end; | |
1081 | } | |
1082 | break; | |
1083 | case REG_STRING: | |
1084 | switch (estack_bx_t) { | |
1085 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1086 | case REG_U64: |
53569322 MD |
1087 | case REG_DOUBLE: |
1088 | ret = -EINVAL; | |
1089 | goto end; | |
1090 | case REG_STRING: | |
04aa13f8 | 1091 | JUMP_TO(BYTECODE_OP_NE_STRING); |
3151a51d | 1092 | case REG_STAR_GLOB_STRING: |
04aa13f8 | 1093 | JUMP_TO(BYTECODE_OP_NE_STAR_GLOB_STRING); |
3151a51d | 1094 | default: |
04aa13f8 | 1095 | ERR("Unknown interpreter register type (%d)", |
3151a51d PP |
1096 | (int) estack_bx_t); |
1097 | ret = -EINVAL; | |
1098 | goto end; | |
1099 | } | |
1100 | break; | |
1101 | case REG_STAR_GLOB_STRING: | |
1102 | switch (estack_bx_t) { | |
1103 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1104 | case REG_U64: |
3151a51d PP |
1105 | case REG_DOUBLE: |
1106 | ret = -EINVAL; | |
1107 | goto end; | |
1108 | case REG_STRING: | |
04aa13f8 | 1109 | JUMP_TO(BYTECODE_OP_NE_STAR_GLOB_STRING); |
3151a51d PP |
1110 | case REG_STAR_GLOB_STRING: |
1111 | ret = -EINVAL; | |
1112 | goto end; | |
53569322 | 1113 | default: |
04aa13f8 | 1114 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1115 | (int) estack_bx_t); |
1116 | ret = -EINVAL; | |
1117 | goto end; | |
1118 | } | |
1119 | break; | |
1120 | default: | |
04aa13f8 | 1121 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1122 | (int) estack_ax_t); |
1123 | ret = -EINVAL; | |
1124 | goto end; | |
1125 | } | |
1126 | } | |
04aa13f8 | 1127 | OP(BYTECODE_OP_GT): |
53569322 MD |
1128 | { |
1129 | /* Dynamic typing. */ | |
1130 | switch (estack_ax_t) { | |
d97f9b78 MD |
1131 | case REG_S64: /* Fall-through */ |
1132 | case REG_U64: | |
53569322 | 1133 | switch (estack_bx_t) { |
d97f9b78 MD |
1134 | case REG_S64: /* Fall-through */ |
1135 | case REG_U64: | |
04aa13f8 | 1136 | JUMP_TO(BYTECODE_OP_GT_S64); |
53569322 | 1137 | case REG_DOUBLE: |
04aa13f8 | 1138 | JUMP_TO(BYTECODE_OP_GT_DOUBLE_S64); |
3151a51d PP |
1139 | case REG_STRING: /* Fall-through */ |
1140 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1141 | ret = -EINVAL; |
1142 | goto end; | |
1143 | default: | |
04aa13f8 | 1144 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1145 | (int) estack_bx_t); |
1146 | ret = -EINVAL; | |
1147 | goto end; | |
1148 | } | |
1149 | break; | |
1150 | case REG_DOUBLE: | |
1151 | switch (estack_bx_t) { | |
d97f9b78 MD |
1152 | case REG_S64: /* Fall-through */ |
1153 | case REG_U64: | |
04aa13f8 | 1154 | JUMP_TO(BYTECODE_OP_GT_S64_DOUBLE); |
53569322 | 1155 | case REG_DOUBLE: |
04aa13f8 | 1156 | JUMP_TO(BYTECODE_OP_GT_DOUBLE); |
3151a51d PP |
1157 | case REG_STRING: /* Fall-through */ |
1158 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1159 | ret = -EINVAL; |
1160 | goto end; | |
1161 | default: | |
04aa13f8 | 1162 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1163 | (int) estack_bx_t); |
1164 | ret = -EINVAL; | |
1165 | goto end; | |
1166 | } | |
1167 | break; | |
1168 | case REG_STRING: | |
1169 | switch (estack_bx_t) { | |
1170 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1171 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1172 | case REG_DOUBLE: /* Fall-through */ |
1173 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1174 | ret = -EINVAL; |
1175 | goto end; | |
1176 | case REG_STRING: | |
04aa13f8 | 1177 | JUMP_TO(BYTECODE_OP_GT_STRING); |
53569322 | 1178 | default: |
04aa13f8 | 1179 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1180 | (int) estack_bx_t); |
1181 | ret = -EINVAL; | |
1182 | goto end; | |
1183 | } | |
1184 | break; | |
1185 | default: | |
04aa13f8 | 1186 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1187 | (int) estack_ax_t); |
1188 | ret = -EINVAL; | |
1189 | goto end; | |
1190 | } | |
1191 | } | |
04aa13f8 | 1192 | OP(BYTECODE_OP_LT): |
53569322 MD |
1193 | { |
1194 | /* Dynamic typing. */ | |
1195 | switch (estack_ax_t) { | |
d97f9b78 MD |
1196 | case REG_S64: /* Fall-through */ |
1197 | case REG_U64: | |
53569322 | 1198 | switch (estack_bx_t) { |
d97f9b78 MD |
1199 | case REG_S64: /* Fall-through */ |
1200 | case REG_U64: | |
04aa13f8 | 1201 | JUMP_TO(BYTECODE_OP_LT_S64); |
53569322 | 1202 | case REG_DOUBLE: |
04aa13f8 | 1203 | JUMP_TO(BYTECODE_OP_LT_DOUBLE_S64); |
3151a51d PP |
1204 | case REG_STRING: /* Fall-through */ |
1205 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1206 | ret = -EINVAL; |
1207 | goto end; | |
1208 | default: | |
04aa13f8 | 1209 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1210 | (int) estack_bx_t); |
1211 | ret = -EINVAL; | |
1212 | goto end; | |
1213 | } | |
1214 | break; | |
1215 | case REG_DOUBLE: | |
1216 | switch (estack_bx_t) { | |
d97f9b78 MD |
1217 | case REG_S64: /* Fall-through */ |
1218 | case REG_U64: | |
04aa13f8 | 1219 | JUMP_TO(BYTECODE_OP_LT_S64_DOUBLE); |
53569322 | 1220 | case REG_DOUBLE: |
04aa13f8 | 1221 | JUMP_TO(BYTECODE_OP_LT_DOUBLE); |
3151a51d PP |
1222 | case REG_STRING: /* Fall-through */ |
1223 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1224 | ret = -EINVAL; |
1225 | goto end; | |
1226 | default: | |
04aa13f8 | 1227 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1228 | (int) estack_bx_t); |
1229 | ret = -EINVAL; | |
1230 | goto end; | |
1231 | } | |
1232 | break; | |
1233 | case REG_STRING: | |
1234 | switch (estack_bx_t) { | |
1235 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1236 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1237 | case REG_DOUBLE: /* Fall-through */ |
1238 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1239 | ret = -EINVAL; |
1240 | goto end; | |
1241 | case REG_STRING: | |
04aa13f8 | 1242 | JUMP_TO(BYTECODE_OP_LT_STRING); |
53569322 | 1243 | default: |
04aa13f8 | 1244 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1245 | (int) estack_bx_t); |
1246 | ret = -EINVAL; | |
1247 | goto end; | |
1248 | } | |
1249 | break; | |
1250 | default: | |
04aa13f8 | 1251 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1252 | (int) estack_ax_t); |
1253 | ret = -EINVAL; | |
1254 | goto end; | |
1255 | } | |
1256 | } | |
04aa13f8 | 1257 | OP(BYTECODE_OP_GE): |
53569322 MD |
1258 | { |
1259 | /* Dynamic typing. */ | |
1260 | switch (estack_ax_t) { | |
d97f9b78 MD |
1261 | case REG_S64: /* Fall-through */ |
1262 | case REG_U64: | |
53569322 | 1263 | switch (estack_bx_t) { |
d97f9b78 MD |
1264 | case REG_S64: /* Fall-through */ |
1265 | case REG_U64: | |
04aa13f8 | 1266 | JUMP_TO(BYTECODE_OP_GE_S64); |
53569322 | 1267 | case REG_DOUBLE: |
04aa13f8 | 1268 | JUMP_TO(BYTECODE_OP_GE_DOUBLE_S64); |
3151a51d PP |
1269 | case REG_STRING: /* Fall-through */ |
1270 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1271 | ret = -EINVAL; |
1272 | goto end; | |
1273 | default: | |
04aa13f8 | 1274 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1275 | (int) estack_bx_t); |
1276 | ret = -EINVAL; | |
1277 | goto end; | |
1278 | } | |
1279 | break; | |
1280 | case REG_DOUBLE: | |
1281 | switch (estack_bx_t) { | |
d97f9b78 MD |
1282 | case REG_S64: /* Fall-through */ |
1283 | case REG_U64: | |
04aa13f8 | 1284 | JUMP_TO(BYTECODE_OP_GE_S64_DOUBLE); |
53569322 | 1285 | case REG_DOUBLE: |
04aa13f8 | 1286 | JUMP_TO(BYTECODE_OP_GE_DOUBLE); |
3151a51d PP |
1287 | case REG_STRING: /* Fall-through */ |
1288 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1289 | ret = -EINVAL; |
1290 | goto end; | |
1291 | default: | |
04aa13f8 | 1292 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1293 | (int) estack_bx_t); |
1294 | ret = -EINVAL; | |
1295 | goto end; | |
1296 | } | |
1297 | break; | |
1298 | case REG_STRING: | |
1299 | switch (estack_bx_t) { | |
1300 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1301 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1302 | case REG_DOUBLE: /* Fall-through */ |
1303 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1304 | ret = -EINVAL; |
1305 | goto end; | |
1306 | case REG_STRING: | |
04aa13f8 | 1307 | JUMP_TO(BYTECODE_OP_GE_STRING); |
53569322 | 1308 | default: |
04aa13f8 | 1309 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1310 | (int) estack_bx_t); |
1311 | ret = -EINVAL; | |
1312 | goto end; | |
1313 | } | |
1314 | break; | |
1315 | default: | |
04aa13f8 | 1316 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1317 | (int) estack_ax_t); |
1318 | ret = -EINVAL; | |
1319 | goto end; | |
1320 | } | |
1321 | } | |
04aa13f8 | 1322 | OP(BYTECODE_OP_LE): |
53569322 MD |
1323 | { |
1324 | /* Dynamic typing. */ | |
1325 | switch (estack_ax_t) { | |
d97f9b78 MD |
1326 | case REG_S64: /* Fall-through */ |
1327 | case REG_U64: | |
53569322 | 1328 | switch (estack_bx_t) { |
d97f9b78 MD |
1329 | case REG_S64: /* Fall-through */ |
1330 | case REG_U64: | |
04aa13f8 | 1331 | JUMP_TO(BYTECODE_OP_LE_S64); |
53569322 | 1332 | case REG_DOUBLE: |
04aa13f8 | 1333 | JUMP_TO(BYTECODE_OP_LE_DOUBLE_S64); |
3151a51d PP |
1334 | case REG_STRING: /* Fall-through */ |
1335 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1336 | ret = -EINVAL; |
1337 | goto end; | |
1338 | default: | |
04aa13f8 | 1339 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1340 | (int) estack_bx_t); |
1341 | ret = -EINVAL; | |
1342 | goto end; | |
1343 | } | |
1344 | break; | |
1345 | case REG_DOUBLE: | |
1346 | switch (estack_bx_t) { | |
d97f9b78 MD |
1347 | case REG_S64: /* Fall-through */ |
1348 | case REG_U64: | |
04aa13f8 | 1349 | JUMP_TO(BYTECODE_OP_LE_S64_DOUBLE); |
53569322 | 1350 | case REG_DOUBLE: |
04aa13f8 | 1351 | JUMP_TO(BYTECODE_OP_LE_DOUBLE); |
3151a51d PP |
1352 | case REG_STRING: /* Fall-through */ |
1353 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1354 | ret = -EINVAL; |
1355 | goto end; | |
1356 | default: | |
04aa13f8 | 1357 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1358 | (int) estack_bx_t); |
1359 | ret = -EINVAL; | |
1360 | goto end; | |
1361 | } | |
1362 | break; | |
1363 | case REG_STRING: | |
1364 | switch (estack_bx_t) { | |
1365 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1366 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1367 | case REG_DOUBLE: /* Fall-through */ |
1368 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1369 | ret = -EINVAL; |
1370 | goto end; | |
1371 | case REG_STRING: | |
04aa13f8 | 1372 | JUMP_TO(BYTECODE_OP_LE_STRING); |
53569322 | 1373 | default: |
04aa13f8 | 1374 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1375 | (int) estack_bx_t); |
1376 | ret = -EINVAL; | |
1377 | goto end; | |
1378 | } | |
1379 | break; | |
1380 | default: | |
04aa13f8 | 1381 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1382 | (int) estack_ax_t); |
1383 | ret = -EINVAL; | |
1384 | goto end; | |
1385 | } | |
1386 | } | |
97b58163 | 1387 | |
04aa13f8 | 1388 | OP(BYTECODE_OP_EQ_STRING): |
97b58163 | 1389 | { |
0305960f MD |
1390 | int res; |
1391 | ||
9b33aac4 | 1392 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 1393 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1394 | estack_ax_v = res; |
53569322 | 1395 | estack_ax_t = REG_S64; |
97b58163 MD |
1396 | next_pc += sizeof(struct binary_op); |
1397 | PO; | |
1398 | } | |
04aa13f8 | 1399 | OP(BYTECODE_OP_NE_STRING): |
97b58163 | 1400 | { |
0305960f MD |
1401 | int res; |
1402 | ||
9b33aac4 | 1403 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 1404 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1405 | estack_ax_v = res; |
53569322 | 1406 | estack_ax_t = REG_S64; |
97b58163 MD |
1407 | next_pc += sizeof(struct binary_op); |
1408 | PO; | |
1409 | } | |
04aa13f8 | 1410 | OP(BYTECODE_OP_GT_STRING): |
97b58163 | 1411 | { |
0305960f MD |
1412 | int res; |
1413 | ||
9b33aac4 | 1414 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 1415 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1416 | estack_ax_v = res; |
53569322 | 1417 | estack_ax_t = REG_S64; |
97b58163 MD |
1418 | next_pc += sizeof(struct binary_op); |
1419 | PO; | |
1420 | } | |
04aa13f8 | 1421 | OP(BYTECODE_OP_LT_STRING): |
97b58163 | 1422 | { |
0305960f MD |
1423 | int res; |
1424 | ||
9b33aac4 | 1425 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 1426 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1427 | estack_ax_v = res; |
53569322 | 1428 | estack_ax_t = REG_S64; |
97b58163 MD |
1429 | next_pc += sizeof(struct binary_op); |
1430 | PO; | |
1431 | } | |
04aa13f8 | 1432 | OP(BYTECODE_OP_GE_STRING): |
97b58163 | 1433 | { |
0305960f MD |
1434 | int res; |
1435 | ||
9b33aac4 | 1436 | res = (stack_strcmp(stack, top, ">=") >= 0); |
53569322 | 1437 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1438 | estack_ax_v = res; |
53569322 | 1439 | estack_ax_t = REG_S64; |
97b58163 MD |
1440 | next_pc += sizeof(struct binary_op); |
1441 | PO; | |
1442 | } | |
04aa13f8 | 1443 | OP(BYTECODE_OP_LE_STRING): |
97b58163 | 1444 | { |
0305960f MD |
1445 | int res; |
1446 | ||
9b33aac4 | 1447 | res = (stack_strcmp(stack, top, "<=") <= 0); |
53569322 | 1448 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1449 | estack_ax_v = res; |
53569322 | 1450 | estack_ax_t = REG_S64; |
97b58163 MD |
1451 | next_pc += sizeof(struct binary_op); |
1452 | PO; | |
1453 | } | |
1454 | ||
04aa13f8 | 1455 | OP(BYTECODE_OP_EQ_STAR_GLOB_STRING): |
3151a51d PP |
1456 | { |
1457 | int res; | |
1458 | ||
1459 | res = (stack_star_glob_match(stack, top, "==") == 0); | |
1460 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1461 | estack_ax_v = res; | |
1462 | estack_ax_t = REG_S64; | |
1463 | next_pc += sizeof(struct binary_op); | |
1464 | PO; | |
1465 | } | |
04aa13f8 | 1466 | OP(BYTECODE_OP_NE_STAR_GLOB_STRING): |
3151a51d PP |
1467 | { |
1468 | int res; | |
1469 | ||
1470 | res = (stack_star_glob_match(stack, top, "!=") != 0); | |
1471 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1472 | estack_ax_v = res; | |
1473 | estack_ax_t = REG_S64; | |
1474 | next_pc += sizeof(struct binary_op); | |
1475 | PO; | |
1476 | } | |
1477 | ||
04aa13f8 | 1478 | OP(BYTECODE_OP_EQ_S64): |
97b58163 | 1479 | { |
0305960f MD |
1480 | int res; |
1481 | ||
9b33aac4 | 1482 | res = (estack_bx_v == estack_ax_v); |
53569322 | 1483 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1484 | estack_ax_v = res; |
53569322 | 1485 | estack_ax_t = REG_S64; |
97b58163 MD |
1486 | next_pc += sizeof(struct binary_op); |
1487 | PO; | |
1488 | } | |
04aa13f8 | 1489 | OP(BYTECODE_OP_NE_S64): |
97b58163 | 1490 | { |
0305960f MD |
1491 | int res; |
1492 | ||
9b33aac4 | 1493 | res = (estack_bx_v != estack_ax_v); |
53569322 | 1494 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1495 | estack_ax_v = res; |
53569322 | 1496 | estack_ax_t = REG_S64; |
97b58163 MD |
1497 | next_pc += sizeof(struct binary_op); |
1498 | PO; | |
1499 | } | |
04aa13f8 | 1500 | OP(BYTECODE_OP_GT_S64): |
97b58163 | 1501 | { |
0305960f MD |
1502 | int res; |
1503 | ||
9b33aac4 | 1504 | res = (estack_bx_v > estack_ax_v); |
53569322 | 1505 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1506 | estack_ax_v = res; |
53569322 | 1507 | estack_ax_t = REG_S64; |
97b58163 MD |
1508 | next_pc += sizeof(struct binary_op); |
1509 | PO; | |
1510 | } | |
04aa13f8 | 1511 | OP(BYTECODE_OP_LT_S64): |
97b58163 | 1512 | { |
0305960f MD |
1513 | int res; |
1514 | ||
9b33aac4 | 1515 | res = (estack_bx_v < estack_ax_v); |
53569322 | 1516 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1517 | estack_ax_v = res; |
53569322 | 1518 | estack_ax_t = REG_S64; |
97b58163 MD |
1519 | next_pc += sizeof(struct binary_op); |
1520 | PO; | |
1521 | } | |
04aa13f8 | 1522 | OP(BYTECODE_OP_GE_S64): |
97b58163 | 1523 | { |
0305960f MD |
1524 | int res; |
1525 | ||
9b33aac4 | 1526 | res = (estack_bx_v >= estack_ax_v); |
53569322 | 1527 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1528 | estack_ax_v = res; |
53569322 | 1529 | estack_ax_t = REG_S64; |
97b58163 MD |
1530 | next_pc += sizeof(struct binary_op); |
1531 | PO; | |
1532 | } | |
04aa13f8 | 1533 | OP(BYTECODE_OP_LE_S64): |
97b58163 | 1534 | { |
0305960f MD |
1535 | int res; |
1536 | ||
9b33aac4 | 1537 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 1538 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1539 | estack_ax_v = res; |
53569322 | 1540 | estack_ax_t = REG_S64; |
97b58163 MD |
1541 | next_pc += sizeof(struct binary_op); |
1542 | PO; | |
1543 | } | |
1544 | ||
04aa13f8 | 1545 | OP(BYTECODE_OP_EQ_DOUBLE): |
97b58163 | 1546 | { |
0305960f MD |
1547 | int res; |
1548 | ||
9b33aac4 | 1549 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 1550 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1551 | estack_ax_v = res; |
53569322 | 1552 | estack_ax_t = REG_S64; |
97b58163 MD |
1553 | next_pc += sizeof(struct binary_op); |
1554 | PO; | |
1555 | } | |
04aa13f8 | 1556 | OP(BYTECODE_OP_NE_DOUBLE): |
97b58163 | 1557 | { |
0305960f MD |
1558 | int res; |
1559 | ||
9b33aac4 | 1560 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 1561 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1562 | estack_ax_v = res; |
53569322 | 1563 | estack_ax_t = REG_S64; |
97b58163 MD |
1564 | next_pc += sizeof(struct binary_op); |
1565 | PO; | |
1566 | } | |
04aa13f8 | 1567 | OP(BYTECODE_OP_GT_DOUBLE): |
97b58163 | 1568 | { |
0305960f MD |
1569 | int res; |
1570 | ||
9b33aac4 | 1571 | res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); |
53569322 | 1572 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1573 | estack_ax_v = res; |
53569322 | 1574 | estack_ax_t = REG_S64; |
97b58163 MD |
1575 | next_pc += sizeof(struct binary_op); |
1576 | PO; | |
1577 | } | |
04aa13f8 | 1578 | OP(BYTECODE_OP_LT_DOUBLE): |
97b58163 | 1579 | { |
0305960f MD |
1580 | int res; |
1581 | ||
9b33aac4 | 1582 | res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); |
53569322 | 1583 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1584 | estack_ax_v = res; |
53569322 | 1585 | estack_ax_t = REG_S64; |
97b58163 MD |
1586 | next_pc += sizeof(struct binary_op); |
1587 | PO; | |
1588 | } | |
04aa13f8 | 1589 | OP(BYTECODE_OP_GE_DOUBLE): |
97b58163 | 1590 | { |
0305960f MD |
1591 | int res; |
1592 | ||
9b33aac4 | 1593 | res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); |
53569322 | 1594 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1595 | estack_ax_v = res; |
53569322 | 1596 | estack_ax_t = REG_S64; |
97b58163 MD |
1597 | next_pc += sizeof(struct binary_op); |
1598 | PO; | |
1599 | } | |
04aa13f8 | 1600 | OP(BYTECODE_OP_LE_DOUBLE): |
97b58163 | 1601 | { |
0305960f MD |
1602 | int res; |
1603 | ||
9b33aac4 | 1604 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 1605 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1606 | estack_ax_v = res; |
53569322 | 1607 | estack_ax_t = REG_S64; |
dbea82ec MD |
1608 | next_pc += sizeof(struct binary_op); |
1609 | PO; | |
1610 | } | |
1611 | ||
1612 | /* Mixed S64-double binary comparators */ | |
04aa13f8 | 1613 | OP(BYTECODE_OP_EQ_DOUBLE_S64): |
dbea82ec MD |
1614 | { |
1615 | int res; | |
1616 | ||
9b33aac4 | 1617 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
53569322 | 1618 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1619 | estack_ax_v = res; |
53569322 | 1620 | estack_ax_t = REG_S64; |
dbea82ec MD |
1621 | next_pc += sizeof(struct binary_op); |
1622 | PO; | |
1623 | } | |
04aa13f8 | 1624 | OP(BYTECODE_OP_NE_DOUBLE_S64): |
dbea82ec MD |
1625 | { |
1626 | int res; | |
1627 | ||
9b33aac4 | 1628 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
53569322 | 1629 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1630 | estack_ax_v = res; |
53569322 | 1631 | estack_ax_t = REG_S64; |
dbea82ec MD |
1632 | next_pc += sizeof(struct binary_op); |
1633 | PO; | |
1634 | } | |
04aa13f8 | 1635 | OP(BYTECODE_OP_GT_DOUBLE_S64): |
dbea82ec MD |
1636 | { |
1637 | int res; | |
1638 | ||
9b33aac4 | 1639 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
53569322 | 1640 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1641 | estack_ax_v = res; |
53569322 | 1642 | estack_ax_t = REG_S64; |
dbea82ec MD |
1643 | next_pc += sizeof(struct binary_op); |
1644 | PO; | |
1645 | } | |
04aa13f8 | 1646 | OP(BYTECODE_OP_LT_DOUBLE_S64): |
dbea82ec MD |
1647 | { |
1648 | int res; | |
1649 | ||
9b33aac4 | 1650 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 1651 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1652 | estack_ax_v = res; |
53569322 | 1653 | estack_ax_t = REG_S64; |
dbea82ec MD |
1654 | next_pc += sizeof(struct binary_op); |
1655 | PO; | |
1656 | } | |
04aa13f8 | 1657 | OP(BYTECODE_OP_GE_DOUBLE_S64): |
dbea82ec MD |
1658 | { |
1659 | int res; | |
1660 | ||
9b33aac4 | 1661 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 1662 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1663 | estack_ax_v = res; |
53569322 | 1664 | estack_ax_t = REG_S64; |
dbea82ec MD |
1665 | next_pc += sizeof(struct binary_op); |
1666 | PO; | |
1667 | } | |
04aa13f8 | 1668 | OP(BYTECODE_OP_LE_DOUBLE_S64): |
dbea82ec MD |
1669 | { |
1670 | int res; | |
1671 | ||
9b33aac4 | 1672 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 1673 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1674 | estack_ax_v = res; |
53569322 | 1675 | estack_ax_t = REG_S64; |
dbea82ec MD |
1676 | next_pc += sizeof(struct binary_op); |
1677 | PO; | |
1678 | } | |
1679 | ||
04aa13f8 | 1680 | OP(BYTECODE_OP_EQ_S64_DOUBLE): |
dbea82ec MD |
1681 | { |
1682 | int res; | |
1683 | ||
9b33aac4 | 1684 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 1685 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1686 | estack_ax_v = res; |
53569322 | 1687 | estack_ax_t = REG_S64; |
dbea82ec MD |
1688 | next_pc += sizeof(struct binary_op); |
1689 | PO; | |
1690 | } | |
04aa13f8 | 1691 | OP(BYTECODE_OP_NE_S64_DOUBLE): |
dbea82ec MD |
1692 | { |
1693 | int res; | |
1694 | ||
9b33aac4 | 1695 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 1696 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1697 | estack_ax_v = res; |
53569322 | 1698 | estack_ax_t = REG_S64; |
dbea82ec MD |
1699 | next_pc += sizeof(struct binary_op); |
1700 | PO; | |
1701 | } | |
04aa13f8 | 1702 | OP(BYTECODE_OP_GT_S64_DOUBLE): |
dbea82ec MD |
1703 | { |
1704 | int res; | |
1705 | ||
9b33aac4 | 1706 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 1707 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1708 | estack_ax_v = res; |
53569322 | 1709 | estack_ax_t = REG_S64; |
dbea82ec MD |
1710 | next_pc += sizeof(struct binary_op); |
1711 | PO; | |
1712 | } | |
04aa13f8 | 1713 | OP(BYTECODE_OP_LT_S64_DOUBLE): |
dbea82ec MD |
1714 | { |
1715 | int res; | |
1716 | ||
9b33aac4 | 1717 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 1718 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1719 | estack_ax_v = res; |
53569322 | 1720 | estack_ax_t = REG_S64; |
dbea82ec MD |
1721 | next_pc += sizeof(struct binary_op); |
1722 | PO; | |
1723 | } | |
04aa13f8 | 1724 | OP(BYTECODE_OP_GE_S64_DOUBLE): |
dbea82ec MD |
1725 | { |
1726 | int res; | |
1727 | ||
9b33aac4 | 1728 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 1729 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1730 | estack_ax_v = res; |
53569322 | 1731 | estack_ax_t = REG_S64; |
dbea82ec MD |
1732 | next_pc += sizeof(struct binary_op); |
1733 | PO; | |
1734 | } | |
04aa13f8 | 1735 | OP(BYTECODE_OP_LE_S64_DOUBLE): |
dbea82ec MD |
1736 | { |
1737 | int res; | |
1738 | ||
9b33aac4 | 1739 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1740 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1741 | estack_ax_v = res; |
53569322 | 1742 | estack_ax_t = REG_S64; |
97b58163 MD |
1743 | next_pc += sizeof(struct binary_op); |
1744 | PO; | |
1745 | } | |
04aa13f8 | 1746 | OP(BYTECODE_OP_BIT_RSHIFT): |
0039e2d8 MD |
1747 | { |
1748 | int64_t res; | |
1749 | ||
d97f9b78 | 1750 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
0039e2d8 MD |
1751 | ret = -EINVAL; |
1752 | goto end; | |
1753 | } | |
d97f9b78 | 1754 | |
3703f1d2 MD |
1755 | /* Catch undefined behavior. */ |
1756 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1757 | ret = -EINVAL; | |
1758 | goto end; | |
1759 | } | |
4e8f9a89 | 1760 | res = ((uint64_t) estack_bx_v >> (uint32_t) estack_ax_v); |
0039e2d8 MD |
1761 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1762 | estack_ax_v = res; | |
d97f9b78 | 1763 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1764 | next_pc += sizeof(struct binary_op); |
1765 | PO; | |
1766 | } | |
04aa13f8 | 1767 | OP(BYTECODE_OP_BIT_LSHIFT): |
0039e2d8 MD |
1768 | { |
1769 | int64_t res; | |
1770 | ||
d97f9b78 | 1771 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
0039e2d8 MD |
1772 | ret = -EINVAL; |
1773 | goto end; | |
1774 | } | |
d97f9b78 | 1775 | |
3703f1d2 MD |
1776 | /* Catch undefined behavior. */ |
1777 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1778 | ret = -EINVAL; | |
1779 | goto end; | |
1780 | } | |
4e8f9a89 | 1781 | res = ((uint64_t) estack_bx_v << (uint32_t) estack_ax_v); |
0039e2d8 MD |
1782 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1783 | estack_ax_v = res; | |
d97f9b78 | 1784 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1785 | next_pc += sizeof(struct binary_op); |
1786 | PO; | |
1787 | } | |
04aa13f8 | 1788 | OP(BYTECODE_OP_BIT_AND): |
47e5f13e MD |
1789 | { |
1790 | int64_t res; | |
1791 | ||
d97f9b78 | 1792 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1793 | ret = -EINVAL; |
1794 | goto end; | |
1795 | } | |
1796 | ||
4e8f9a89 | 1797 | res = ((uint64_t) estack_bx_v & (uint64_t) estack_ax_v); |
47e5f13e MD |
1798 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1799 | estack_ax_v = res; | |
d97f9b78 | 1800 | estack_ax_t = REG_U64; |
47e5f13e MD |
1801 | next_pc += sizeof(struct binary_op); |
1802 | PO; | |
1803 | } | |
04aa13f8 | 1804 | OP(BYTECODE_OP_BIT_OR): |
47e5f13e MD |
1805 | { |
1806 | int64_t res; | |
1807 | ||
d97f9b78 | 1808 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1809 | ret = -EINVAL; |
1810 | goto end; | |
1811 | } | |
1812 | ||
4e8f9a89 | 1813 | res = ((uint64_t) estack_bx_v | (uint64_t) estack_ax_v); |
47e5f13e MD |
1814 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1815 | estack_ax_v = res; | |
d97f9b78 | 1816 | estack_ax_t = REG_U64; |
47e5f13e MD |
1817 | next_pc += sizeof(struct binary_op); |
1818 | PO; | |
1819 | } | |
04aa13f8 | 1820 | OP(BYTECODE_OP_BIT_XOR): |
47e5f13e MD |
1821 | { |
1822 | int64_t res; | |
1823 | ||
d97f9b78 | 1824 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1825 | ret = -EINVAL; |
1826 | goto end; | |
1827 | } | |
1828 | ||
4e8f9a89 | 1829 | res = ((uint64_t) estack_bx_v ^ (uint64_t) estack_ax_v); |
47e5f13e MD |
1830 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1831 | estack_ax_v = res; | |
d97f9b78 | 1832 | estack_ax_t = REG_U64; |
47e5f13e MD |
1833 | next_pc += sizeof(struct binary_op); |
1834 | PO; | |
1835 | } | |
97b58163 MD |
1836 | |
1837 | /* unary */ | |
04aa13f8 | 1838 | OP(BYTECODE_OP_UNARY_PLUS): |
53569322 MD |
1839 | { |
1840 | /* Dynamic typing. */ | |
1841 | switch (estack_ax_t) { | |
1842 | case REG_S64: /* Fall-through. */ | |
d97f9b78 | 1843 | case REG_U64: |
04aa13f8 | 1844 | JUMP_TO(BYTECODE_OP_UNARY_PLUS_S64); |
53569322 | 1845 | case REG_DOUBLE: |
04aa13f8 | 1846 | JUMP_TO(BYTECODE_OP_UNARY_PLUS_DOUBLE); |
3151a51d PP |
1847 | case REG_STRING: /* Fall-through */ |
1848 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1849 | ret = -EINVAL; |
1850 | goto end; | |
1851 | default: | |
04aa13f8 | 1852 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1853 | (int) estack_ax_t); |
1854 | ret = -EINVAL; | |
1855 | goto end; | |
1856 | } | |
1857 | } | |
04aa13f8 | 1858 | OP(BYTECODE_OP_UNARY_MINUS): |
53569322 MD |
1859 | { |
1860 | /* Dynamic typing. */ | |
1861 | switch (estack_ax_t) { | |
d97f9b78 MD |
1862 | case REG_S64: /* Fall-through. */ |
1863 | case REG_U64: | |
04aa13f8 | 1864 | JUMP_TO(BYTECODE_OP_UNARY_MINUS_S64); |
53569322 | 1865 | case REG_DOUBLE: |
04aa13f8 | 1866 | JUMP_TO(BYTECODE_OP_UNARY_MINUS_DOUBLE); |
3151a51d PP |
1867 | case REG_STRING: /* Fall-through */ |
1868 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1869 | ret = -EINVAL; |
1870 | goto end; | |
1871 | default: | |
04aa13f8 | 1872 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1873 | (int) estack_ax_t); |
1874 | ret = -EINVAL; | |
1875 | goto end; | |
1876 | } | |
1877 | } | |
04aa13f8 | 1878 | OP(BYTECODE_OP_UNARY_NOT): |
53569322 MD |
1879 | { |
1880 | /* Dynamic typing. */ | |
1881 | switch (estack_ax_t) { | |
d97f9b78 MD |
1882 | case REG_S64: /* Fall-through. */ |
1883 | case REG_U64: | |
04aa13f8 | 1884 | JUMP_TO(BYTECODE_OP_UNARY_NOT_S64); |
53569322 | 1885 | case REG_DOUBLE: |
04aa13f8 | 1886 | JUMP_TO(BYTECODE_OP_UNARY_NOT_DOUBLE); |
3151a51d PP |
1887 | case REG_STRING: /* Fall-through */ |
1888 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1889 | ret = -EINVAL; |
1890 | goto end; | |
1891 | default: | |
04aa13f8 | 1892 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1893 | (int) estack_ax_t); |
1894 | ret = -EINVAL; | |
1895 | goto end; | |
1896 | } | |
1897 | next_pc += sizeof(struct unary_op); | |
1898 | PO; | |
1899 | } | |
97b58163 | 1900 | |
04aa13f8 | 1901 | OP(BYTECODE_OP_UNARY_BIT_NOT): |
0039e2d8 MD |
1902 | { |
1903 | /* Dynamic typing. */ | |
d97f9b78 | 1904 | if (!IS_INTEGER_REGISTER(estack_ax_t)) { |
0039e2d8 MD |
1905 | ret = -EINVAL; |
1906 | goto end; | |
1907 | } | |
1908 | ||
4e8f9a89 | 1909 | estack_ax_v = ~(uint64_t) estack_ax_v; |
d97f9b78 | 1910 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1911 | next_pc += sizeof(struct unary_op); |
1912 | PO; | |
1913 | } | |
1914 | ||
04aa13f8 FD |
1915 | OP(BYTECODE_OP_UNARY_PLUS_S64): |
1916 | OP(BYTECODE_OP_UNARY_PLUS_DOUBLE): | |
97b58163 MD |
1917 | { |
1918 | next_pc += sizeof(struct unary_op); | |
1919 | PO; | |
1920 | } | |
04aa13f8 | 1921 | OP(BYTECODE_OP_UNARY_MINUS_S64): |
97b58163 | 1922 | { |
9b33aac4 | 1923 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1924 | next_pc += sizeof(struct unary_op); |
1925 | PO; | |
1926 | } | |
04aa13f8 | 1927 | OP(BYTECODE_OP_UNARY_MINUS_DOUBLE): |
97b58163 | 1928 | { |
9b33aac4 | 1929 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1930 | next_pc += sizeof(struct unary_op); |
1931 | PO; | |
1932 | } | |
04aa13f8 | 1933 | OP(BYTECODE_OP_UNARY_NOT_S64): |
97b58163 | 1934 | { |
9b33aac4 | 1935 | estack_ax_v = !estack_ax_v; |
d97f9b78 | 1936 | estack_ax_t = REG_S64; |
97b58163 MD |
1937 | next_pc += sizeof(struct unary_op); |
1938 | PO; | |
1939 | } | |
04aa13f8 | 1940 | OP(BYTECODE_OP_UNARY_NOT_DOUBLE): |
97b58163 | 1941 | { |
53569322 MD |
1942 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1943 | estack_ax_t = REG_S64; | |
97b58163 MD |
1944 | next_pc += sizeof(struct unary_op); |
1945 | PO; | |
1946 | } | |
1947 | ||
1948 | /* logical */ | |
04aa13f8 | 1949 | OP(BYTECODE_OP_AND): |
97b58163 MD |
1950 | { |
1951 | struct logical_op *insn = (struct logical_op *) pc; | |
1952 | ||
d97f9b78 | 1953 | if (estack_ax_t != REG_S64 && estack_ax_t != REG_U64) { |
53569322 MD |
1954 | ret = -EINVAL; |
1955 | goto end; | |
1956 | } | |
0305960f | 1957 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1958 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1959 | dbg_printf("Jumping to bytecode offset %u\n", |
1960 | (unsigned int) insn->skip_offset); | |
1961 | next_pc = start_pc + insn->skip_offset; | |
1962 | } else { | |
71c1ceeb | 1963 | /* Pop 1 when jump not taken */ |
53569322 | 1964 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1965 | next_pc += sizeof(struct logical_op); |
1966 | } | |
1967 | PO; | |
1968 | } | |
04aa13f8 | 1969 | OP(BYTECODE_OP_OR): |
97b58163 MD |
1970 | { |
1971 | struct logical_op *insn = (struct logical_op *) pc; | |
1972 | ||
d97f9b78 | 1973 | if (estack_ax_t != REG_S64 && estack_ax_t != REG_U64) { |
53569322 MD |
1974 | ret = -EINVAL; |
1975 | goto end; | |
1976 | } | |
0305960f | 1977 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1978 | if (unlikely(estack_ax_v != 0)) { |
1979 | estack_ax_v = 1; | |
97b58163 MD |
1980 | dbg_printf("Jumping to bytecode offset %u\n", |
1981 | (unsigned int) insn->skip_offset); | |
1982 | next_pc = start_pc + insn->skip_offset; | |
1983 | } else { | |
71c1ceeb | 1984 | /* Pop 1 when jump not taken */ |
53569322 | 1985 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1986 | next_pc += sizeof(struct logical_op); |
1987 | } | |
1988 | PO; | |
1989 | } | |
1990 | ||
1991 | ||
77aa5901 | 1992 | /* load field ref */ |
04aa13f8 | 1993 | OP(BYTECODE_OP_LOAD_FIELD_REF_STRING): |
97b58163 MD |
1994 | { |
1995 | struct load_op *insn = (struct load_op *) pc; | |
1996 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1997 | ||
1998 | dbg_printf("load field ref offset %u type string\n", | |
1999 | ref->offset); | |
53569322 | 2000 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2001 | estack_ax(stack, top)->u.s.str = |
f3503ba9 | 2002 | *(const char * const *) &interpreter_stack_data[ref->offset]; |
9b33aac4 | 2003 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
04aa13f8 | 2004 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
97b58163 MD |
2005 | ret = -EINVAL; |
2006 | goto end; | |
2007 | } | |
a63d0dc8 | 2008 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2009 | estack_ax(stack, top)->u.s.literal_type = |
2010 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2011 | estack_ax_t = REG_STRING; |
9b33aac4 | 2012 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
2013 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2014 | PO; | |
2015 | } | |
2016 | ||
04aa13f8 | 2017 | OP(BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE): |
97b58163 MD |
2018 | { |
2019 | struct load_op *insn = (struct load_op *) pc; | |
2020 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2021 | ||
2022 | dbg_printf("load field ref offset %u type sequence\n", | |
2023 | ref->offset); | |
53569322 | 2024 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2025 | estack_ax(stack, top)->u.s.seq_len = |
f3503ba9 | 2026 | *(unsigned long *) &interpreter_stack_data[ref->offset]; |
9b33aac4 | 2027 | estack_ax(stack, top)->u.s.str = |
f3503ba9 | 2028 | *(const char **) (&interpreter_stack_data[ref->offset |
97b58163 | 2029 | + sizeof(unsigned long)]); |
53569322 | 2030 | estack_ax_t = REG_STRING; |
9b33aac4 | 2031 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
04aa13f8 | 2032 | dbg_printf("Interpreter warning: loading a NULL sequence.\n"); |
97b58163 MD |
2033 | ret = -EINVAL; |
2034 | goto end; | |
2035 | } | |
3151a51d PP |
2036 | estack_ax(stack, top)->u.s.literal_type = |
2037 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
97b58163 MD |
2038 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2039 | PO; | |
2040 | } | |
2041 | ||
04aa13f8 | 2042 | OP(BYTECODE_OP_LOAD_FIELD_REF_S64): |
97b58163 MD |
2043 | { |
2044 | struct load_op *insn = (struct load_op *) pc; | |
2045 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2046 | ||
2047 | dbg_printf("load field ref offset %u type s64\n", | |
2048 | ref->offset); | |
53569322 | 2049 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2050 | estack_ax_v = |
f3503ba9 | 2051 | ((struct literal_numeric *) &interpreter_stack_data[ref->offset])->v; |
53569322 | 2052 | estack_ax_t = REG_S64; |
9b33aac4 | 2053 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
2054 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2055 | PO; | |
2056 | } | |
2057 | ||
04aa13f8 | 2058 | OP(BYTECODE_OP_LOAD_FIELD_REF_DOUBLE): |
97b58163 MD |
2059 | { |
2060 | struct load_op *insn = (struct load_op *) pc; | |
2061 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2062 | ||
2063 | dbg_printf("load field ref offset %u type double\n", | |
2064 | ref->offset); | |
53569322 | 2065 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
f3503ba9 | 2066 | memcpy(&estack_ax(stack, top)->u.d, &interpreter_stack_data[ref->offset], |
97b58163 | 2067 | sizeof(struct literal_double)); |
53569322 | 2068 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 2069 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
2070 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2071 | PO; | |
2072 | } | |
2073 | ||
77aa5901 | 2074 | /* load from immediate operand */ |
04aa13f8 | 2075 | OP(BYTECODE_OP_LOAD_STRING): |
97b58163 MD |
2076 | { |
2077 | struct load_op *insn = (struct load_op *) pc; | |
2078 | ||
2079 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 2080 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2081 | estack_ax(stack, top)->u.s.str = insn->data; |
a63d0dc8 | 2082 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2083 | estack_ax(stack, top)->u.s.literal_type = |
2084 | ESTACK_STRING_LITERAL_TYPE_PLAIN; | |
53569322 | 2085 | estack_ax_t = REG_STRING; |
97b58163 MD |
2086 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
2087 | PO; | |
2088 | } | |
2089 | ||
04aa13f8 | 2090 | OP(BYTECODE_OP_LOAD_STAR_GLOB_STRING): |
3151a51d PP |
2091 | { |
2092 | struct load_op *insn = (struct load_op *) pc; | |
2093 | ||
2094 | dbg_printf("load globbing pattern %s\n", insn->data); | |
2095 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2096 | estack_ax(stack, top)->u.s.str = insn->data; | |
a63d0dc8 | 2097 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2098 | estack_ax(stack, top)->u.s.literal_type = |
2099 | ESTACK_STRING_LITERAL_TYPE_STAR_GLOB; | |
2100 | estack_ax_t = REG_STAR_GLOB_STRING; | |
2101 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
2102 | PO; | |
2103 | } | |
2104 | ||
04aa13f8 | 2105 | OP(BYTECODE_OP_LOAD_S64): |
97b58163 MD |
2106 | { |
2107 | struct load_op *insn = (struct load_op *) pc; | |
2108 | ||
53569322 | 2109 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2110 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 2111 | estack_ax_t = REG_S64; |
9b33aac4 | 2112 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
2113 | next_pc += sizeof(struct load_op) |
2114 | + sizeof(struct literal_numeric); | |
2115 | PO; | |
2116 | } | |
2117 | ||
04aa13f8 | 2118 | OP(BYTECODE_OP_LOAD_DOUBLE): |
97b58163 MD |
2119 | { |
2120 | struct load_op *insn = (struct load_op *) pc; | |
2121 | ||
53569322 | 2122 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2123 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 2124 | sizeof(struct literal_double)); |
53569322 MD |
2125 | estack_ax_t = REG_DOUBLE; |
2126 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
2127 | next_pc += sizeof(struct load_op) |
2128 | + sizeof(struct literal_double); | |
2129 | PO; | |
2130 | } | |
2131 | ||
2132 | /* cast */ | |
04aa13f8 | 2133 | OP(BYTECODE_OP_CAST_TO_S64): |
53569322 MD |
2134 | { |
2135 | /* Dynamic typing. */ | |
2136 | switch (estack_ax_t) { | |
2137 | case REG_S64: | |
04aa13f8 | 2138 | JUMP_TO(BYTECODE_OP_CAST_NOP); |
53569322 | 2139 | case REG_DOUBLE: |
04aa13f8 | 2140 | JUMP_TO(BYTECODE_OP_CAST_DOUBLE_TO_S64); |
d97f9b78 MD |
2141 | case REG_U64: |
2142 | estack_ax_t = REG_S64; | |
2143 | next_pc += sizeof(struct cast_op); | |
3151a51d PP |
2144 | case REG_STRING: /* Fall-through */ |
2145 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
2146 | ret = -EINVAL; |
2147 | goto end; | |
2148 | default: | |
04aa13f8 | 2149 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
2150 | (int) estack_ax_t); |
2151 | ret = -EINVAL; | |
2152 | goto end; | |
2153 | } | |
2154 | } | |
97b58163 | 2155 | |
04aa13f8 | 2156 | OP(BYTECODE_OP_CAST_DOUBLE_TO_S64): |
97b58163 | 2157 | { |
9b33aac4 | 2158 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 2159 | estack_ax_t = REG_S64; |
97b58163 MD |
2160 | next_pc += sizeof(struct cast_op); |
2161 | PO; | |
2162 | } | |
2163 | ||
04aa13f8 | 2164 | OP(BYTECODE_OP_CAST_NOP): |
97b58163 MD |
2165 | { |
2166 | next_pc += sizeof(struct cast_op); | |
2167 | PO; | |
2168 | } | |
2169 | ||
77aa5901 | 2170 | /* get context ref */ |
04aa13f8 | 2171 | OP(BYTECODE_OP_GET_CONTEXT_REF): |
53569322 MD |
2172 | { |
2173 | struct load_op *insn = (struct load_op *) pc; | |
2174 | struct field_ref *ref = (struct field_ref *) insn->data; | |
53569322 MD |
2175 | struct lttng_ctx_field *ctx_field; |
2176 | struct lttng_ctx_value v; | |
2177 | ||
2178 | dbg_printf("get context ref offset %u type dynamic\n", | |
2179 | ref->offset); | |
53569322 MD |
2180 | ctx_field = &ctx->fields[ref->offset]; |
2181 | ctx_field->get_value(ctx_field, &v); | |
2182 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2183 | switch (v.sel) { | |
2184 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
2185 | ret = -EINVAL; | |
2186 | goto end; | |
2187 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
2188 | estack_ax_v = v.u.s64; | |
2189 | estack_ax_t = REG_S64; | |
2190 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
2191 | break; | |
2192 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
2193 | estack_ax(stack, top)->u.d = v.u.d; | |
2194 | estack_ax_t = REG_DOUBLE; | |
2195 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
2196 | break; | |
2197 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
2198 | estack_ax(stack, top)->u.s.str = v.u.str; | |
2199 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
04aa13f8 | 2200 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
53569322 MD |
2201 | ret = -EINVAL; |
2202 | goto end; | |
2203 | } | |
a63d0dc8 | 2204 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2205 | estack_ax(stack, top)->u.s.literal_type = |
2206 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 MD |
2207 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); |
2208 | estack_ax_t = REG_STRING; | |
2209 | break; | |
2210 | default: | |
04aa13f8 | 2211 | dbg_printf("Interpreter warning: unknown dynamic type (%d).\n", (int) v.sel); |
53569322 MD |
2212 | ret = -EINVAL; |
2213 | goto end; | |
2214 | } | |
2215 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2216 | PO; | |
2217 | } | |
2218 | ||
04aa13f8 | 2219 | OP(BYTECODE_OP_GET_CONTEXT_REF_STRING): |
77aa5901 MD |
2220 | { |
2221 | struct load_op *insn = (struct load_op *) pc; | |
2222 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2223 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2224 | struct lttng_ctx_value v; |
77aa5901 MD |
2225 | |
2226 | dbg_printf("get context ref offset %u type string\n", | |
2227 | ref->offset); | |
53569322 | 2228 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2229 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2230 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2231 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 | 2232 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
04aa13f8 | 2233 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
77aa5901 MD |
2234 | ret = -EINVAL; |
2235 | goto end; | |
2236 | } | |
a63d0dc8 | 2237 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2238 | estack_ax(stack, top)->u.s.literal_type = |
2239 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2240 | estack_ax_t = REG_STRING; |
77aa5901 MD |
2241 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
2242 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2243 | PO; | |
2244 | } | |
2245 | ||
04aa13f8 | 2246 | OP(BYTECODE_OP_GET_CONTEXT_REF_S64): |
77aa5901 MD |
2247 | { |
2248 | struct load_op *insn = (struct load_op *) pc; | |
2249 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2250 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2251 | struct lttng_ctx_value v; |
77aa5901 MD |
2252 | |
2253 | dbg_printf("get context ref offset %u type s64\n", | |
2254 | ref->offset); | |
53569322 | 2255 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2256 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2257 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2258 | estack_ax_v = v.u.s64; | |
2259 | estack_ax_t = REG_S64; | |
77aa5901 MD |
2260 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
2261 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2262 | PO; | |
2263 | } | |
2264 | ||
04aa13f8 | 2265 | OP(BYTECODE_OP_GET_CONTEXT_REF_DOUBLE): |
77aa5901 MD |
2266 | { |
2267 | struct load_op *insn = (struct load_op *) pc; | |
2268 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2269 | struct lttng_ctx_field *ctx_field; | |
53569322 | 2270 | struct lttng_ctx_value v; |
77aa5901 MD |
2271 | |
2272 | dbg_printf("get context ref offset %u type double\n", | |
2273 | ref->offset); | |
53569322 | 2274 | ctx_field = &ctx->fields[ref->offset]; |
77aa5901 | 2275 | ctx_field->get_value(ctx_field, &v); |
53569322 MD |
2276 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2277 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
2278 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
2279 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
2280 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2281 | PO; | |
2282 | } | |
2283 | ||
04aa13f8 | 2284 | OP(BYTECODE_OP_GET_CONTEXT_ROOT): |
47e5f13e MD |
2285 | { |
2286 | dbg_printf("op get context root\n"); | |
2287 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2288 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_CONTEXT; | |
2289 | /* "field" only needed for variants. */ | |
2290 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2291 | estack_ax_t = REG_PTR; | |
2292 | next_pc += sizeof(struct load_op); | |
2293 | PO; | |
2294 | } | |
2295 | ||
04aa13f8 | 2296 | OP(BYTECODE_OP_GET_APP_CONTEXT_ROOT): |
47e5f13e MD |
2297 | { |
2298 | dbg_printf("op get app context root\n"); | |
2299 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2300 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_APP_CONTEXT; | |
2301 | /* "field" only needed for variants. */ | |
2302 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2303 | estack_ax_t = REG_PTR; | |
2304 | next_pc += sizeof(struct load_op); | |
2305 | PO; | |
2306 | } | |
2307 | ||
04aa13f8 | 2308 | OP(BYTECODE_OP_GET_PAYLOAD_ROOT): |
47e5f13e MD |
2309 | { |
2310 | dbg_printf("op get app payload root\n"); | |
2311 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2312 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_PAYLOAD; | |
f3503ba9 | 2313 | estack_ax(stack, top)->u.ptr.ptr = interpreter_stack_data; |
47e5f13e MD |
2314 | /* "field" only needed for variants. */ |
2315 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2316 | estack_ax_t = REG_PTR; | |
2317 | next_pc += sizeof(struct load_op); | |
2318 | PO; | |
2319 | } | |
2320 | ||
04aa13f8 | 2321 | OP(BYTECODE_OP_GET_SYMBOL): |
47e5f13e MD |
2322 | { |
2323 | dbg_printf("op get symbol\n"); | |
2324 | switch (estack_ax(stack, top)->u.ptr.type) { | |
2325 | case LOAD_OBJECT: | |
2326 | ERR("Nested fields not implemented yet."); | |
2327 | ret = -EINVAL; | |
2328 | goto end; | |
2329 | case LOAD_ROOT_CONTEXT: | |
2330 | case LOAD_ROOT_APP_CONTEXT: | |
2331 | case LOAD_ROOT_PAYLOAD: | |
2332 | /* | |
2333 | * symbol lookup is performed by | |
2334 | * specialization. | |
2335 | */ | |
2336 | ret = -EINVAL; | |
2337 | goto end; | |
2338 | } | |
2339 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
2340 | PO; | |
2341 | } | |
2342 | ||
04aa13f8 | 2343 | OP(BYTECODE_OP_GET_SYMBOL_FIELD): |
47e5f13e MD |
2344 | { |
2345 | /* | |
2346 | * Used for first variant encountered in a | |
2347 | * traversal. Variants are not implemented yet. | |
2348 | */ | |
2349 | ret = -EINVAL; | |
2350 | goto end; | |
2351 | } | |
2352 | ||
04aa13f8 | 2353 | OP(BYTECODE_OP_GET_INDEX_U16): |
47e5f13e MD |
2354 | { |
2355 | struct load_op *insn = (struct load_op *) pc; | |
2356 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
2357 | ||
2358 | dbg_printf("op get index u16\n"); | |
b77aaa1b | 2359 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2360 | if (ret) |
2361 | goto end; | |
2362 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2363 | estack_ax_t = estack_ax(stack, top)->type; | |
2364 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
2365 | PO; | |
2366 | } | |
2367 | ||
04aa13f8 | 2368 | OP(BYTECODE_OP_GET_INDEX_U64): |
47e5f13e MD |
2369 | { |
2370 | struct load_op *insn = (struct load_op *) pc; | |
2371 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
2372 | ||
2373 | dbg_printf("op get index u64\n"); | |
b77aaa1b | 2374 | ret = dynamic_get_index(ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2375 | if (ret) |
2376 | goto end; | |
2377 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2378 | estack_ax_t = estack_ax(stack, top)->type; | |
2379 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
2380 | PO; | |
2381 | } | |
2382 | ||
04aa13f8 | 2383 | OP(BYTECODE_OP_LOAD_FIELD): |
47e5f13e MD |
2384 | { |
2385 | dbg_printf("op load field\n"); | |
2386 | ret = dynamic_load_field(estack_ax(stack, top)); | |
2387 | if (ret) | |
2388 | goto end; | |
2389 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2390 | estack_ax_t = estack_ax(stack, top)->type; | |
2391 | next_pc += sizeof(struct load_op); | |
2392 | PO; | |
2393 | } | |
2394 | ||
04aa13f8 | 2395 | OP(BYTECODE_OP_LOAD_FIELD_S8): |
47e5f13e MD |
2396 | { |
2397 | dbg_printf("op load field s8\n"); | |
2398 | ||
2399 | estack_ax_v = *(int8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2400 | estack_ax_t = REG_S64; | |
2401 | next_pc += sizeof(struct load_op); | |
2402 | PO; | |
2403 | } | |
04aa13f8 | 2404 | OP(BYTECODE_OP_LOAD_FIELD_S16): |
47e5f13e MD |
2405 | { |
2406 | dbg_printf("op load field s16\n"); | |
2407 | ||
2408 | estack_ax_v = *(int16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2409 | estack_ax_t = REG_S64; | |
2410 | next_pc += sizeof(struct load_op); | |
2411 | PO; | |
2412 | } | |
04aa13f8 | 2413 | OP(BYTECODE_OP_LOAD_FIELD_S32): |
47e5f13e MD |
2414 | { |
2415 | dbg_printf("op load field s32\n"); | |
2416 | ||
2417 | estack_ax_v = *(int32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2418 | estack_ax_t = REG_S64; | |
2419 | next_pc += sizeof(struct load_op); | |
2420 | PO; | |
2421 | } | |
04aa13f8 | 2422 | OP(BYTECODE_OP_LOAD_FIELD_S64): |
47e5f13e MD |
2423 | { |
2424 | dbg_printf("op load field s64\n"); | |
2425 | ||
2426 | estack_ax_v = *(int64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2427 | estack_ax_t = REG_S64; | |
2428 | next_pc += sizeof(struct load_op); | |
2429 | PO; | |
2430 | } | |
04aa13f8 | 2431 | OP(BYTECODE_OP_LOAD_FIELD_U8): |
47e5f13e MD |
2432 | { |
2433 | dbg_printf("op load field u8\n"); | |
2434 | ||
2435 | estack_ax_v = *(uint8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2436 | estack_ax_t = REG_U64; |
47e5f13e MD |
2437 | next_pc += sizeof(struct load_op); |
2438 | PO; | |
2439 | } | |
04aa13f8 | 2440 | OP(BYTECODE_OP_LOAD_FIELD_U16): |
47e5f13e MD |
2441 | { |
2442 | dbg_printf("op load field u16\n"); | |
2443 | ||
2444 | estack_ax_v = *(uint16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2445 | estack_ax_t = REG_U64; |
47e5f13e MD |
2446 | next_pc += sizeof(struct load_op); |
2447 | PO; | |
2448 | } | |
04aa13f8 | 2449 | OP(BYTECODE_OP_LOAD_FIELD_U32): |
47e5f13e MD |
2450 | { |
2451 | dbg_printf("op load field u32\n"); | |
2452 | ||
2453 | estack_ax_v = *(uint32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2454 | estack_ax_t = REG_U64; |
47e5f13e MD |
2455 | next_pc += sizeof(struct load_op); |
2456 | PO; | |
2457 | } | |
04aa13f8 | 2458 | OP(BYTECODE_OP_LOAD_FIELD_U64): |
47e5f13e MD |
2459 | { |
2460 | dbg_printf("op load field u64\n"); | |
2461 | ||
2462 | estack_ax_v = *(uint64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2463 | estack_ax_t = REG_U64; |
47e5f13e MD |
2464 | next_pc += sizeof(struct load_op); |
2465 | PO; | |
2466 | } | |
04aa13f8 | 2467 | OP(BYTECODE_OP_LOAD_FIELD_DOUBLE): |
47e5f13e MD |
2468 | { |
2469 | dbg_printf("op load field double\n"); | |
2470 | ||
2471 | memcpy(&estack_ax(stack, top)->u.d, | |
2472 | estack_ax(stack, top)->u.ptr.ptr, | |
2473 | sizeof(struct literal_double)); | |
2474 | estack_ax(stack, top)->type = REG_DOUBLE; | |
2475 | next_pc += sizeof(struct load_op); | |
2476 | PO; | |
2477 | } | |
2478 | ||
04aa13f8 | 2479 | OP(BYTECODE_OP_LOAD_FIELD_STRING): |
47e5f13e MD |
2480 | { |
2481 | const char *str; | |
2482 | ||
2483 | dbg_printf("op load field string\n"); | |
2484 | str = (const char *) estack_ax(stack, top)->u.ptr.ptr; | |
2485 | estack_ax(stack, top)->u.s.str = str; | |
2486 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
04aa13f8 | 2487 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
47e5f13e MD |
2488 | ret = -EINVAL; |
2489 | goto end; | |
2490 | } | |
2491 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; | |
2492 | estack_ax(stack, top)->u.s.literal_type = | |
2493 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2494 | estack_ax(stack, top)->type = REG_STRING; | |
2495 | next_pc += sizeof(struct load_op); | |
2496 | PO; | |
2497 | } | |
2498 | ||
04aa13f8 | 2499 | OP(BYTECODE_OP_LOAD_FIELD_SEQUENCE): |
47e5f13e MD |
2500 | { |
2501 | const char *ptr; | |
2502 | ||
2503 | dbg_printf("op load field string sequence\n"); | |
2504 | ptr = estack_ax(stack, top)->u.ptr.ptr; | |
2505 | estack_ax(stack, top)->u.s.seq_len = *(unsigned long *) ptr; | |
2506 | estack_ax(stack, top)->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
2507 | estack_ax(stack, top)->type = REG_STRING; | |
2508 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
04aa13f8 | 2509 | dbg_printf("Interpreter warning: loading a NULL sequence.\n"); |
47e5f13e MD |
2510 | ret = -EINVAL; |
2511 | goto end; | |
2512 | } | |
2513 | estack_ax(stack, top)->u.s.literal_type = | |
2514 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2515 | next_pc += sizeof(struct load_op); | |
2516 | PO; | |
2517 | } | |
2518 | ||
97b58163 MD |
2519 | END_OP |
2520 | end: | |
4526ba69 | 2521 | /* Return _DISCARD on error. */ |
97b58163 | 2522 | if (ret) |
04aa13f8 | 2523 | return LTTNG_INTERPRETER_DISCARD; |
f3503ba9 FD |
2524 | |
2525 | if (output) { | |
2526 | return lttng_bytecode_interpret_format_output(estack_ax(stack, top), | |
2527 | output); | |
2528 | } | |
2529 | ||
97b58163 MD |
2530 | return retval; |
2531 | } | |
2532 | ||
04aa13f8 | 2533 | uint64_t lttng_bytecode_filter_interpret(void *filter_data, |
f3503ba9 FD |
2534 | const char *filter_stack_data) |
2535 | { | |
2536 | return bytecode_interpret(filter_data, filter_stack_data, NULL); | |
2537 | } | |
2538 | ||
d37ecb3f FD |
2539 | uint64_t lttng_bytecode_capture_interpret(void *capture_data, |
2540 | const char *capture_stack_data, | |
2541 | struct lttng_interpreter_output *output) | |
2542 | { | |
2543 | return bytecode_interpret(capture_data, capture_stack_data, | |
2544 | (struct lttng_interpreter_output *) output); | |
2545 | } | |
2546 | ||
97b58163 MD |
2547 | #undef START_OP |
2548 | #undef OP | |
2549 | #undef PO | |
2550 | #undef END_OP |