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> |
a2e4d05e | 14 | #include <urcu/rculist.h> |
3208818b | 15 | #include <lttng/ust-endian.h> |
f3503ba9 | 16 | #include <lttng/ust-events.h> |
36c52fff | 17 | #include "lib/lttng-ust/events.h" |
f3503ba9 | 18 | |
04aa13f8 | 19 | #include "lttng-bytecode.h" |
b8aa6f43 | 20 | #include "common/strutils.h" |
97b58163 | 21 | |
f3503ba9 | 22 | |
97b58163 MD |
23 | /* |
24 | * -1: wildcard found. | |
25 | * -2: unknown escape char. | |
26 | * 0: normal char. | |
27 | */ | |
28 | ||
29 | static | |
30 | int parse_char(const char **p) | |
31 | { | |
32 | switch (**p) { | |
33 | case '\\': | |
34 | (*p)++; | |
35 | switch (**p) { | |
36 | case '\\': | |
37 | case '*': | |
38 | return 0; | |
39 | default: | |
40 | return -2; | |
41 | } | |
42 | case '*': | |
43 | return -1; | |
44 | default: | |
45 | return 0; | |
46 | } | |
47 | } | |
48 | ||
3151a51d | 49 | /* |
a63d0dc8 | 50 | * Returns SIZE_MAX if the string is null-terminated, or the number of |
3151a51d PP |
51 | * characters if not. |
52 | */ | |
53 | static | |
54 | size_t get_str_or_seq_len(const struct estack_entry *entry) | |
55 | { | |
a63d0dc8 | 56 | return entry->u.s.seq_len; |
3151a51d PP |
57 | } |
58 | ||
59 | static | |
2208d8b5 MJ |
60 | int stack_star_glob_match(struct estack *stack, int top, |
61 | const char *cmp_type __attribute__((unused))) | |
3151a51d PP |
62 | { |
63 | const char *pattern; | |
64 | const char *candidate; | |
65 | size_t pattern_len; | |
66 | size_t candidate_len; | |
67 | ||
68 | /* Find out which side is the pattern vs. the candidate. */ | |
69 | if (estack_ax(stack, top)->u.s.literal_type == ESTACK_STRING_LITERAL_TYPE_STAR_GLOB) { | |
70 | pattern = estack_ax(stack, top)->u.s.str; | |
71 | pattern_len = get_str_or_seq_len(estack_ax(stack, top)); | |
72 | candidate = estack_bx(stack, top)->u.s.str; | |
73 | candidate_len = get_str_or_seq_len(estack_bx(stack, top)); | |
74 | } else { | |
75 | pattern = estack_bx(stack, top)->u.s.str; | |
76 | pattern_len = get_str_or_seq_len(estack_bx(stack, top)); | |
77 | candidate = estack_ax(stack, top)->u.s.str; | |
78 | candidate_len = get_str_or_seq_len(estack_ax(stack, top)); | |
79 | } | |
80 | ||
81 | /* Perform the match. Returns 0 when the result is true. */ | |
82 | return !strutils_star_glob_match(pattern, pattern_len, candidate, | |
83 | candidate_len); | |
84 | } | |
85 | ||
97b58163 | 86 | static |
2208d8b5 | 87 | int stack_strcmp(struct estack *stack, int top, const char *cmp_type __attribute__((unused))) |
97b58163 | 88 | { |
9b33aac4 | 89 | const char *p = estack_bx(stack, top)->u.s.str, *q = estack_ax(stack, top)->u.s.str; |
97b58163 MD |
90 | int ret; |
91 | int diff; | |
92 | ||
93 | for (;;) { | |
94 | int escaped_r0 = 0; | |
95 | ||
332335cd MD |
96 | if (unlikely(p - estack_bx(stack, top)->u.s.str >= estack_bx(stack, top)->u.s.seq_len || *p == '\0')) { |
97 | if (q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0') { | |
5cf8141d | 98 | return 0; |
a0928c1e | 99 | } else { |
3151a51d PP |
100 | if (estack_ax(stack, top)->u.s.literal_type == |
101 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
5cf8141d MD |
102 | ret = parse_char(&q); |
103 | if (ret == -1) | |
104 | return 0; | |
105 | } | |
106 | return -1; | |
a0928c1e | 107 | } |
97b58163 | 108 | } |
332335cd | 109 | if (unlikely(q - estack_ax(stack, top)->u.s.str >= estack_ax(stack, top)->u.s.seq_len || *q == '\0')) { |
3151a51d PP |
110 | if (estack_bx(stack, top)->u.s.literal_type == |
111 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
3e6a0694 MD |
112 | ret = parse_char(&p); |
113 | if (ret == -1) | |
114 | return 0; | |
a0928c1e | 115 | } |
3e6a0694 | 116 | return 1; |
97b58163 | 117 | } |
3151a51d PP |
118 | if (estack_bx(stack, top)->u.s.literal_type == |
119 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
97b58163 MD |
120 | ret = parse_char(&p); |
121 | if (ret == -1) { | |
122 | return 0; | |
123 | } else if (ret == -2) { | |
124 | escaped_r0 = 1; | |
125 | } | |
126 | /* else compare both char */ | |
127 | } | |
3151a51d PP |
128 | if (estack_ax(stack, top)->u.s.literal_type == |
129 | ESTACK_STRING_LITERAL_TYPE_PLAIN) { | |
97b58163 MD |
130 | ret = parse_char(&q); |
131 | if (ret == -1) { | |
132 | return 0; | |
133 | } else if (ret == -2) { | |
134 | if (!escaped_r0) | |
135 | return -1; | |
136 | } else { | |
137 | if (escaped_r0) | |
138 | return 1; | |
139 | } | |
140 | } else { | |
141 | if (escaped_r0) | |
142 | return 1; | |
143 | } | |
144 | diff = *p - *q; | |
145 | if (diff != 0) | |
146 | break; | |
147 | p++; | |
148 | q++; | |
149 | } | |
150 | return diff; | |
151 | } | |
152 | ||
2208d8b5 MJ |
153 | int lttng_bytecode_interpret_error( |
154 | struct lttng_ust_bytecode_runtime *bytecode_runtime __attribute__((unused)), | |
155 | const char *stack_data __attribute__((unused)), | |
b2e37d27 | 156 | struct lttng_ust_probe_ctx *probe_ctx __attribute__((unused)), |
2208d8b5 | 157 | void *ctx __attribute__((unused))) |
97b58163 | 158 | { |
22c30e27 | 159 | return LTTNG_UST_BYTECODE_INTERPRETER_ERROR; |
d37ecb3f FD |
160 | } |
161 | ||
97b58163 MD |
162 | #ifdef INTERPRETER_USE_SWITCH |
163 | ||
164 | /* | |
165 | * Fallback for compilers that do not support taking address of labels. | |
166 | */ | |
167 | ||
168 | #define START_OP \ | |
169 | start_pc = &bytecode->data[0]; \ | |
170 | for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; \ | |
171 | pc = next_pc) { \ | |
172 | dbg_printf("Executing op %s (%u)\n", \ | |
bf617e20 | 173 | lttng_bytecode_print_op((unsigned int) *(bytecode_opcode_t *) pc), \ |
04aa13f8 FD |
174 | (unsigned int) *(bytecode_opcode_t *) pc); \ |
175 | switch (*(bytecode_opcode_t *) pc) { | |
97b58163 | 176 | |
53569322 MD |
177 | #define OP(name) jump_target_##name: __attribute__((unused)); \ |
178 | case name | |
97b58163 MD |
179 | |
180 | #define PO break | |
181 | ||
182 | #define END_OP } \ | |
183 | } | |
184 | ||
53569322 MD |
185 | #define JUMP_TO(name) \ |
186 | goto jump_target_##name | |
187 | ||
97b58163 MD |
188 | #else |
189 | ||
190 | /* | |
191 | * Dispatch-table based interpreter. | |
192 | */ | |
193 | ||
194 | #define START_OP \ | |
47e5f13e | 195 | start_pc = &bytecode->code[0]; \ |
97b58163 MD |
196 | pc = next_pc = start_pc; \ |
197 | if (unlikely(pc - start_pc >= bytecode->len)) \ | |
198 | goto end; \ | |
04aa13f8 | 199 | goto *dispatch[*(bytecode_opcode_t *) pc]; |
97b58163 MD |
200 | |
201 | #define OP(name) \ | |
202 | LABEL_##name | |
203 | ||
204 | #define PO \ | |
205 | pc = next_pc; \ | |
04aa13f8 | 206 | goto *dispatch[*(bytecode_opcode_t *) pc]; |
97b58163 MD |
207 | |
208 | #define END_OP | |
209 | ||
53569322 MD |
210 | #define JUMP_TO(name) \ |
211 | goto LABEL_##name | |
212 | ||
97b58163 MD |
213 | #endif |
214 | ||
d97f9b78 MD |
215 | #define IS_INTEGER_REGISTER(reg_type) \ |
216 | (reg_type == REG_U64 || reg_type == REG_S64) | |
217 | ||
daacdbfc | 218 | static int context_get_index(struct lttng_ust_ctx *ctx, |
b2e37d27 | 219 | struct lttng_ust_probe_ctx *probe_ctx, |
47e5f13e MD |
220 | struct load_ptr *ptr, |
221 | uint32_t idx) | |
222 | { | |
223 | ||
4e48b5d2 MD |
224 | const struct lttng_ust_ctx_field *ctx_field; |
225 | const struct lttng_ust_event_field *field; | |
daacdbfc | 226 | struct lttng_ust_ctx_value v; |
47e5f13e | 227 | |
4e48b5d2 | 228 | ctx_field = &ctx->fields[idx]; |
daacdbfc | 229 | field = ctx_field->event_field; |
47e5f13e | 230 | ptr->type = LOAD_OBJECT; |
f3503ba9 | 231 | ptr->field = field; |
47e5f13e | 232 | |
a084756d MD |
233 | switch (field->type->type) { |
234 | case lttng_ust_type_integer: | |
b2e37d27 | 235 | ctx_field->get_value(ctx_field->priv, probe_ctx, &v); |
a084756d | 236 | if (lttng_ust_get_type_integer(field->type)->signedness) { |
47e5f13e MD |
237 | ptr->object_type = OBJECT_TYPE_S64; |
238 | ptr->u.s64 = v.u.s64; | |
239 | ptr->ptr = &ptr->u.s64; | |
240 | } else { | |
241 | ptr->object_type = OBJECT_TYPE_U64; | |
242 | ptr->u.u64 = v.u.s64; /* Cast. */ | |
243 | ptr->ptr = &ptr->u.u64; | |
244 | } | |
245 | break; | |
a084756d | 246 | case lttng_ust_type_enum: |
47e5f13e | 247 | { |
a084756d | 248 | const struct lttng_ust_type_integer *itype; |
47e5f13e | 249 | |
a084756d | 250 | itype = lttng_ust_get_type_integer(lttng_ust_get_type_enum(field->type)->container_type); |
b2e37d27 | 251 | ctx_field->get_value(ctx_field->priv, probe_ctx, &v); |
47e5f13e | 252 | if (itype->signedness) { |
70f9f7f9 | 253 | ptr->object_type = OBJECT_TYPE_SIGNED_ENUM; |
47e5f13e MD |
254 | ptr->u.s64 = v.u.s64; |
255 | ptr->ptr = &ptr->u.s64; | |
256 | } else { | |
70f9f7f9 | 257 | ptr->object_type = OBJECT_TYPE_UNSIGNED_ENUM; |
47e5f13e MD |
258 | ptr->u.u64 = v.u.s64; /* Cast. */ |
259 | ptr->ptr = &ptr->u.u64; | |
260 | } | |
261 | break; | |
262 | } | |
a084756d MD |
263 | case lttng_ust_type_array: |
264 | if (lttng_ust_get_type_array(field->type)->elem_type->type != lttng_ust_type_integer) { | |
47e5f13e MD |
265 | ERR("Array nesting only supports integer types."); |
266 | return -EINVAL; | |
267 | } | |
a084756d | 268 | if (lttng_ust_get_type_array(field->type)->encoding == lttng_ust_string_encoding_none) { |
47e5f13e MD |
269 | ERR("Only string arrays are supported for contexts."); |
270 | return -EINVAL; | |
271 | } | |
272 | ptr->object_type = OBJECT_TYPE_STRING; | |
b2e37d27 | 273 | ctx_field->get_value(ctx_field->priv, probe_ctx, &v); |
47e5f13e MD |
274 | ptr->ptr = v.u.str; |
275 | break; | |
a084756d MD |
276 | case lttng_ust_type_sequence: |
277 | if (lttng_ust_get_type_sequence(field->type)->elem_type->type != lttng_ust_type_integer) { | |
47e5f13e MD |
278 | ERR("Sequence nesting only supports integer types."); |
279 | return -EINVAL; | |
280 | } | |
a084756d | 281 | if (lttng_ust_get_type_sequence(field->type)->encoding == lttng_ust_string_encoding_none) { |
47e5f13e MD |
282 | ERR("Only string sequences are supported for contexts."); |
283 | return -EINVAL; | |
284 | } | |
285 | ptr->object_type = OBJECT_TYPE_STRING; | |
b2e37d27 | 286 | ctx_field->get_value(ctx_field->priv, probe_ctx, &v); |
47e5f13e MD |
287 | ptr->ptr = v.u.str; |
288 | break; | |
a084756d | 289 | case lttng_ust_type_string: |
47e5f13e | 290 | ptr->object_type = OBJECT_TYPE_STRING; |
b2e37d27 | 291 | ctx_field->get_value(ctx_field->priv, probe_ctx, &v); |
47e5f13e MD |
292 | ptr->ptr = v.u.str; |
293 | break; | |
a084756d | 294 | case lttng_ust_type_float: |
47e5f13e | 295 | ptr->object_type = OBJECT_TYPE_DOUBLE; |
b2e37d27 | 296 | ctx_field->get_value(ctx_field->priv, probe_ctx, &v); |
47e5f13e MD |
297 | ptr->u.d = v.u.d; |
298 | ptr->ptr = &ptr->u.d; | |
299 | break; | |
a084756d | 300 | case lttng_ust_type_dynamic: |
b2e37d27 | 301 | ctx_field->get_value(ctx_field->priv, probe_ctx, &v); |
47e5f13e MD |
302 | switch (v.sel) { |
303 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
304 | return -EINVAL; | |
86133caf FD |
305 | case LTTNG_UST_DYNAMIC_TYPE_U8: |
306 | case LTTNG_UST_DYNAMIC_TYPE_U16: | |
307 | case LTTNG_UST_DYNAMIC_TYPE_U32: | |
308 | case LTTNG_UST_DYNAMIC_TYPE_U64: | |
309 | ptr->object_type = OBJECT_TYPE_U64; | |
310 | ptr->u.u64 = v.u.u64; | |
311 | ptr->ptr = &ptr->u.u64; | |
312 | dbg_printf("context get index dynamic u64 %" PRIi64 "\n", ptr->u.u64); | |
313 | break; | |
314 | case LTTNG_UST_DYNAMIC_TYPE_S8: | |
315 | case LTTNG_UST_DYNAMIC_TYPE_S16: | |
316 | case LTTNG_UST_DYNAMIC_TYPE_S32: | |
47e5f13e MD |
317 | case LTTNG_UST_DYNAMIC_TYPE_S64: |
318 | ptr->object_type = OBJECT_TYPE_S64; | |
319 | ptr->u.s64 = v.u.s64; | |
320 | ptr->ptr = &ptr->u.s64; | |
321 | dbg_printf("context get index dynamic s64 %" PRIi64 "\n", ptr->u.s64); | |
322 | break; | |
86133caf | 323 | case LTTNG_UST_DYNAMIC_TYPE_FLOAT: |
47e5f13e MD |
324 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: |
325 | ptr->object_type = OBJECT_TYPE_DOUBLE; | |
326 | ptr->u.d = v.u.d; | |
327 | ptr->ptr = &ptr->u.d; | |
328 | dbg_printf("context get index dynamic double %g\n", ptr->u.d); | |
329 | break; | |
330 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
331 | ptr->object_type = OBJECT_TYPE_STRING; | |
332 | ptr->ptr = v.u.str; | |
333 | dbg_printf("context get index dynamic string %s\n", (const char *) ptr->ptr); | |
334 | break; | |
335 | default: | |
04aa13f8 | 336 | dbg_printf("Interpreter warning: unknown dynamic type (%d).\n", (int) v.sel); |
47e5f13e MD |
337 | return -EINVAL; |
338 | } | |
339 | break; | |
47e5f13e | 340 | default: |
a084756d | 341 | ERR("Unknown type: %d", (int) field->type->type); |
47e5f13e MD |
342 | return -EINVAL; |
343 | } | |
344 | return 0; | |
345 | } | |
346 | ||
daacdbfc | 347 | static int dynamic_get_index(struct lttng_ust_ctx *ctx, |
b2e37d27 | 348 | struct lttng_ust_probe_ctx *probe_ctx, |
47e5f13e MD |
349 | struct bytecode_runtime *runtime, |
350 | uint64_t index, struct estack_entry *stack_top) | |
351 | { | |
352 | int ret; | |
04aa13f8 | 353 | const struct bytecode_get_index_data *gid; |
47e5f13e | 354 | |
04aa13f8 | 355 | gid = (const struct bytecode_get_index_data *) &runtime->data[index]; |
47e5f13e MD |
356 | switch (stack_top->u.ptr.type) { |
357 | case LOAD_OBJECT: | |
358 | switch (stack_top->u.ptr.object_type) { | |
359 | case OBJECT_TYPE_ARRAY: | |
360 | { | |
361 | const char *ptr; | |
362 | ||
363 | assert(gid->offset < gid->array_len); | |
364 | /* Skip count (unsigned long) */ | |
365 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
366 | ptr = ptr + gid->offset; | |
367 | stack_top->u.ptr.ptr = ptr; | |
368 | stack_top->u.ptr.object_type = gid->elem.type; | |
369 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
a084756d | 370 | assert(stack_top->u.ptr.field->type->type == lttng_ust_type_array); |
47e5f13e MD |
371 | stack_top->u.ptr.field = NULL; |
372 | break; | |
373 | } | |
374 | case OBJECT_TYPE_SEQUENCE: | |
375 | { | |
376 | const char *ptr; | |
377 | size_t ptr_seq_len; | |
378 | ||
379 | ptr = *(const char **) (stack_top->u.ptr.ptr + sizeof(unsigned long)); | |
380 | ptr_seq_len = *(unsigned long *) stack_top->u.ptr.ptr; | |
381 | if (gid->offset >= gid->elem.len * ptr_seq_len) { | |
382 | ret = -EINVAL; | |
383 | goto end; | |
384 | } | |
385 | ptr = ptr + gid->offset; | |
386 | stack_top->u.ptr.ptr = ptr; | |
387 | stack_top->u.ptr.object_type = gid->elem.type; | |
388 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; | |
a084756d | 389 | assert(stack_top->u.ptr.field->type->type == lttng_ust_type_sequence); |
47e5f13e MD |
390 | stack_top->u.ptr.field = NULL; |
391 | break; | |
392 | } | |
393 | case OBJECT_TYPE_STRUCT: | |
394 | ERR("Nested structures are not supported yet."); | |
395 | ret = -EINVAL; | |
396 | goto end; | |
397 | case OBJECT_TYPE_VARIANT: | |
398 | default: | |
399 | ERR("Unexpected get index type %d", | |
400 | (int) stack_top->u.ptr.object_type); | |
401 | ret = -EINVAL; | |
402 | goto end; | |
403 | } | |
404 | break; | |
405 | case LOAD_ROOT_CONTEXT: | |
406 | case LOAD_ROOT_APP_CONTEXT: /* Fall-through */ | |
407 | { | |
47e5f13e | 408 | ret = context_get_index(ctx, |
b2e37d27 | 409 | probe_ctx, |
47e5f13e MD |
410 | &stack_top->u.ptr, |
411 | gid->ctx_index); | |
412 | if (ret) { | |
413 | goto end; | |
414 | } | |
415 | break; | |
416 | } | |
417 | case LOAD_ROOT_PAYLOAD: | |
418 | stack_top->u.ptr.ptr += gid->offset; | |
419 | if (gid->elem.type == OBJECT_TYPE_STRING) | |
420 | stack_top->u.ptr.ptr = *(const char * const *) stack_top->u.ptr.ptr; | |
421 | stack_top->u.ptr.object_type = gid->elem.type; | |
422 | stack_top->u.ptr.type = LOAD_OBJECT; | |
f3503ba9 | 423 | stack_top->u.ptr.field = gid->field; |
6bbd9df3 | 424 | stack_top->u.ptr.rev_bo = gid->elem.rev_bo; |
47e5f13e MD |
425 | break; |
426 | } | |
d312cd35 FD |
427 | |
428 | stack_top->type = REG_PTR; | |
429 | ||
47e5f13e MD |
430 | return 0; |
431 | ||
432 | end: | |
433 | return ret; | |
434 | } | |
435 | ||
436 | static int dynamic_load_field(struct estack_entry *stack_top) | |
437 | { | |
438 | int ret; | |
439 | ||
440 | switch (stack_top->u.ptr.type) { | |
441 | case LOAD_OBJECT: | |
442 | break; | |
443 | case LOAD_ROOT_CONTEXT: | |
444 | case LOAD_ROOT_APP_CONTEXT: | |
445 | case LOAD_ROOT_PAYLOAD: | |
446 | default: | |
04aa13f8 | 447 | dbg_printf("Interpreter warning: cannot load root, missing field name.\n"); |
47e5f13e MD |
448 | ret = -EINVAL; |
449 | goto end; | |
450 | } | |
451 | switch (stack_top->u.ptr.object_type) { | |
452 | case OBJECT_TYPE_S8: | |
453 | dbg_printf("op load field s8\n"); | |
454 | stack_top->u.v = *(int8_t *) stack_top->u.ptr.ptr; | |
455 | stack_top->type = REG_S64; | |
456 | break; | |
457 | case OBJECT_TYPE_S16: | |
458 | { | |
459 | int16_t tmp; | |
460 | ||
461 | dbg_printf("op load field s16\n"); | |
462 | tmp = *(int16_t *) stack_top->u.ptr.ptr; | |
463 | if (stack_top->u.ptr.rev_bo) | |
baa8acf3 | 464 | tmp = lttng_ust_bswap_16(tmp); |
47e5f13e MD |
465 | stack_top->u.v = tmp; |
466 | stack_top->type = REG_S64; | |
467 | break; | |
468 | } | |
469 | case OBJECT_TYPE_S32: | |
470 | { | |
471 | int32_t tmp; | |
472 | ||
473 | dbg_printf("op load field s32\n"); | |
474 | tmp = *(int32_t *) stack_top->u.ptr.ptr; | |
475 | if (stack_top->u.ptr.rev_bo) | |
baa8acf3 | 476 | tmp = lttng_ust_bswap_32(tmp); |
47e5f13e MD |
477 | stack_top->u.v = tmp; |
478 | stack_top->type = REG_S64; | |
479 | break; | |
480 | } | |
481 | case OBJECT_TYPE_S64: | |
482 | { | |
483 | int64_t tmp; | |
484 | ||
485 | dbg_printf("op load field s64\n"); | |
486 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
487 | if (stack_top->u.ptr.rev_bo) | |
baa8acf3 | 488 | tmp = lttng_ust_bswap_64(tmp); |
47e5f13e MD |
489 | stack_top->u.v = tmp; |
490 | stack_top->type = REG_S64; | |
491 | break; | |
492 | } | |
70f9f7f9 FD |
493 | case OBJECT_TYPE_SIGNED_ENUM: |
494 | { | |
495 | int64_t tmp; | |
496 | ||
497 | dbg_printf("op load field signed enumeration\n"); | |
498 | tmp = *(int64_t *) stack_top->u.ptr.ptr; | |
499 | if (stack_top->u.ptr.rev_bo) | |
baa8acf3 | 500 | tmp = lttng_ust_bswap_64(tmp); |
70f9f7f9 FD |
501 | stack_top->u.v = tmp; |
502 | stack_top->type = REG_S64; | |
503 | break; | |
504 | } | |
47e5f13e MD |
505 | case OBJECT_TYPE_U8: |
506 | dbg_printf("op load field u8\n"); | |
507 | stack_top->u.v = *(uint8_t *) stack_top->u.ptr.ptr; | |
d97f9b78 | 508 | stack_top->type = REG_U64; |
47e5f13e MD |
509 | break; |
510 | case OBJECT_TYPE_U16: | |
511 | { | |
512 | uint16_t tmp; | |
513 | ||
055d27d7 | 514 | dbg_printf("op load field u16\n"); |
47e5f13e MD |
515 | tmp = *(uint16_t *) stack_top->u.ptr.ptr; |
516 | if (stack_top->u.ptr.rev_bo) | |
baa8acf3 | 517 | tmp = lttng_ust_bswap_16(tmp); |
47e5f13e | 518 | stack_top->u.v = tmp; |
d97f9b78 | 519 | stack_top->type = REG_U64; |
47e5f13e MD |
520 | break; |
521 | } | |
522 | case OBJECT_TYPE_U32: | |
523 | { | |
524 | uint32_t tmp; | |
525 | ||
526 | dbg_printf("op load field u32\n"); | |
527 | tmp = *(uint32_t *) stack_top->u.ptr.ptr; | |
528 | if (stack_top->u.ptr.rev_bo) | |
baa8acf3 | 529 | tmp = lttng_ust_bswap_32(tmp); |
47e5f13e | 530 | stack_top->u.v = tmp; |
d97f9b78 | 531 | stack_top->type = REG_U64; |
47e5f13e MD |
532 | break; |
533 | } | |
534 | case OBJECT_TYPE_U64: | |
535 | { | |
536 | uint64_t tmp; | |
537 | ||
538 | dbg_printf("op load field u64\n"); | |
539 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
540 | if (stack_top->u.ptr.rev_bo) | |
baa8acf3 | 541 | tmp = lttng_ust_bswap_64(tmp); |
47e5f13e | 542 | stack_top->u.v = tmp; |
d97f9b78 | 543 | stack_top->type = REG_U64; |
47e5f13e MD |
544 | break; |
545 | } | |
70f9f7f9 FD |
546 | case OBJECT_TYPE_UNSIGNED_ENUM: |
547 | { | |
548 | uint64_t tmp; | |
549 | ||
550 | dbg_printf("op load field unsigned enumeration\n"); | |
551 | tmp = *(uint64_t *) stack_top->u.ptr.ptr; | |
552 | if (stack_top->u.ptr.rev_bo) | |
baa8acf3 | 553 | tmp = lttng_ust_bswap_64(tmp); |
70f9f7f9 FD |
554 | stack_top->u.v = tmp; |
555 | stack_top->type = REG_U64; | |
556 | break; | |
557 | } | |
47e5f13e MD |
558 | case OBJECT_TYPE_DOUBLE: |
559 | memcpy(&stack_top->u.d, | |
560 | stack_top->u.ptr.ptr, | |
561 | sizeof(struct literal_double)); | |
562 | stack_top->type = REG_DOUBLE; | |
563 | break; | |
564 | case OBJECT_TYPE_STRING: | |
565 | { | |
566 | const char *str; | |
567 | ||
568 | dbg_printf("op load field string\n"); | |
569 | str = (const char *) stack_top->u.ptr.ptr; | |
570 | stack_top->u.s.str = str; | |
571 | if (unlikely(!stack_top->u.s.str)) { | |
04aa13f8 | 572 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
47e5f13e MD |
573 | ret = -EINVAL; |
574 | goto end; | |
575 | } | |
576 | stack_top->u.s.seq_len = SIZE_MAX; | |
577 | stack_top->u.s.literal_type = | |
578 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
579 | stack_top->type = REG_STRING; | |
580 | break; | |
581 | } | |
582 | case OBJECT_TYPE_STRING_SEQUENCE: | |
583 | { | |
584 | const char *ptr; | |
585 | ||
586 | dbg_printf("op load field string sequence\n"); | |
587 | ptr = stack_top->u.ptr.ptr; | |
588 | stack_top->u.s.seq_len = *(unsigned long *) ptr; | |
589 | stack_top->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
590 | stack_top->type = REG_STRING; | |
591 | if (unlikely(!stack_top->u.s.str)) { | |
04aa13f8 | 592 | dbg_printf("Interpreter warning: loading a NULL sequence.\n"); |
47e5f13e MD |
593 | ret = -EINVAL; |
594 | goto end; | |
595 | } | |
596 | stack_top->u.s.literal_type = | |
597 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
598 | break; | |
599 | } | |
600 | case OBJECT_TYPE_DYNAMIC: | |
601 | /* | |
602 | * Dynamic types in context are looked up | |
603 | * by context get index. | |
604 | */ | |
605 | ret = -EINVAL; | |
606 | goto end; | |
607 | case OBJECT_TYPE_SEQUENCE: | |
608 | case OBJECT_TYPE_ARRAY: | |
609 | case OBJECT_TYPE_STRUCT: | |
610 | case OBJECT_TYPE_VARIANT: | |
611 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
612 | ret = -EINVAL; | |
613 | goto end; | |
614 | } | |
615 | return 0; | |
616 | ||
617 | end: | |
618 | return ret; | |
619 | } | |
620 | ||
f3503ba9 FD |
621 | static |
622 | int lttng_bytecode_interpret_format_output(struct estack_entry *ax, | |
623 | struct lttng_interpreter_output *output) | |
624 | { | |
625 | int ret; | |
626 | ||
627 | again: | |
628 | switch (ax->type) { | |
629 | case REG_S64: | |
630 | output->type = LTTNG_INTERPRETER_TYPE_S64; | |
631 | output->u.s = ax->u.v; | |
632 | break; | |
633 | case REG_U64: | |
634 | output->type = LTTNG_INTERPRETER_TYPE_U64; | |
635 | output->u.u = (uint64_t) ax->u.v; | |
636 | break; | |
637 | case REG_DOUBLE: | |
638 | output->type = LTTNG_INTERPRETER_TYPE_DOUBLE; | |
639 | output->u.d = ax->u.d; | |
640 | break; | |
641 | case REG_STRING: | |
642 | output->type = LTTNG_INTERPRETER_TYPE_STRING; | |
643 | output->u.str.str = ax->u.s.str; | |
644 | output->u.str.len = ax->u.s.seq_len; | |
645 | break; | |
646 | case REG_PTR: | |
647 | switch (ax->u.ptr.object_type) { | |
648 | case OBJECT_TYPE_S8: | |
649 | case OBJECT_TYPE_S16: | |
650 | case OBJECT_TYPE_S32: | |
651 | case OBJECT_TYPE_S64: | |
652 | case OBJECT_TYPE_U8: | |
653 | case OBJECT_TYPE_U16: | |
654 | case OBJECT_TYPE_U32: | |
655 | case OBJECT_TYPE_U64: | |
656 | case OBJECT_TYPE_DOUBLE: | |
657 | case OBJECT_TYPE_STRING: | |
658 | case OBJECT_TYPE_STRING_SEQUENCE: | |
659 | ret = dynamic_load_field(ax); | |
660 | if (ret) | |
661 | return ret; | |
662 | /* Retry after loading ptr into stack top. */ | |
663 | goto again; | |
664 | case OBJECT_TYPE_SEQUENCE: | |
665 | output->type = LTTNG_INTERPRETER_TYPE_SEQUENCE; | |
666 | output->u.sequence.ptr = *(const char **) (ax->u.ptr.ptr + sizeof(unsigned long)); | |
667 | output->u.sequence.nr_elem = *(unsigned long *) ax->u.ptr.ptr; | |
a084756d | 668 | output->u.sequence.nested_type = lttng_ust_get_type_sequence(ax->u.ptr.field->type)->elem_type; |
f3503ba9 FD |
669 | break; |
670 | case OBJECT_TYPE_ARRAY: | |
671 | /* Skip count (unsigned long) */ | |
672 | output->type = LTTNG_INTERPRETER_TYPE_SEQUENCE; | |
673 | output->u.sequence.ptr = *(const char **) (ax->u.ptr.ptr + sizeof(unsigned long)); | |
a084756d MD |
674 | output->u.sequence.nr_elem = lttng_ust_get_type_array(ax->u.ptr.field->type)->length; |
675 | output->u.sequence.nested_type = lttng_ust_get_type_array(ax->u.ptr.field->type)->elem_type; | |
f3503ba9 | 676 | break; |
70f9f7f9 FD |
677 | case OBJECT_TYPE_SIGNED_ENUM: |
678 | ret = dynamic_load_field(ax); | |
679 | if (ret) | |
680 | return ret; | |
681 | output->type = LTTNG_INTERPRETER_TYPE_SIGNED_ENUM; | |
682 | output->u.s = ax->u.v; | |
683 | break; | |
684 | case OBJECT_TYPE_UNSIGNED_ENUM: | |
685 | ret = dynamic_load_field(ax); | |
686 | if (ret) | |
687 | return ret; | |
688 | output->type = LTTNG_INTERPRETER_TYPE_UNSIGNED_ENUM; | |
689 | output->u.u = ax->u.v; | |
690 | break; | |
f3503ba9 FD |
691 | case OBJECT_TYPE_STRUCT: |
692 | case OBJECT_TYPE_VARIANT: | |
693 | default: | |
694 | return -EINVAL; | |
695 | } | |
696 | ||
697 | break; | |
698 | case REG_STAR_GLOB_STRING: | |
699 | case REG_UNKNOWN: | |
700 | default: | |
701 | return -EINVAL; | |
702 | } | |
703 | ||
22c30e27 | 704 | return 0; |
f3503ba9 FD |
705 | } |
706 | ||
8a92ed2a | 707 | /* |
da83d1e3 MD |
708 | * Return LTTNG_UST_BYTECODE_INTERPRETER_OK on success. |
709 | * Return LTTNG_UST_BYTECODE_INTERPRETER_ERROR on error. | |
710 | * | |
711 | * For FILTER bytecode: expect a struct lttng_ust_bytecode_filter_ctx * | |
712 | * as @ctx argument. | |
713 | * For CAPTURE bytecode: expect a struct lttng_interpreter_output * | |
714 | * as @ctx argument. | |
8a92ed2a | 715 | */ |
22c30e27 | 716 | int lttng_bytecode_interpret(struct lttng_ust_bytecode_runtime *ust_bytecode, |
f3503ba9 | 717 | const char *interpreter_stack_data, |
b2e37d27 | 718 | struct lttng_ust_probe_ctx *probe_ctx, |
22c30e27 | 719 | void *caller_ctx) |
97b58163 | 720 | { |
22c30e27 | 721 | struct bytecode_runtime *bytecode = caa_container_of(ust_bytecode, struct bytecode_runtime, p); |
a2e4d05e | 722 | struct lttng_ust_ctx *ctx = lttng_ust_rcu_dereference(*ust_bytecode->pctx); |
97b58163 | 723 | void *pc, *next_pc, *start_pc; |
22c30e27 | 724 | int ret = -EINVAL, retval = 0; |
0305960f MD |
725 | struct estack _stack; |
726 | struct estack *stack = &_stack; | |
9b33aac4 | 727 | register int64_t ax = 0, bx = 0; |
53569322 | 728 | register enum entry_type ax_t = REG_UNKNOWN, bx_t = REG_UNKNOWN; |
04aa13f8 | 729 | register int top = INTERPRETER_STACK_EMPTY; |
97b58163 | 730 | #ifndef INTERPRETER_USE_SWITCH |
04aa13f8 FD |
731 | static void *dispatch[NR_BYTECODE_OPS] = { |
732 | [ BYTECODE_OP_UNKNOWN ] = &&LABEL_BYTECODE_OP_UNKNOWN, | |
97b58163 | 733 | |
04aa13f8 | 734 | [ BYTECODE_OP_RETURN ] = &&LABEL_BYTECODE_OP_RETURN, |
97b58163 MD |
735 | |
736 | /* binary */ | |
04aa13f8 FD |
737 | [ BYTECODE_OP_MUL ] = &&LABEL_BYTECODE_OP_MUL, |
738 | [ BYTECODE_OP_DIV ] = &&LABEL_BYTECODE_OP_DIV, | |
739 | [ BYTECODE_OP_MOD ] = &&LABEL_BYTECODE_OP_MOD, | |
740 | [ BYTECODE_OP_PLUS ] = &&LABEL_BYTECODE_OP_PLUS, | |
741 | [ BYTECODE_OP_MINUS ] = &&LABEL_BYTECODE_OP_MINUS, | |
742 | [ BYTECODE_OP_BIT_RSHIFT ] = &&LABEL_BYTECODE_OP_BIT_RSHIFT, | |
743 | [ BYTECODE_OP_BIT_LSHIFT ] = &&LABEL_BYTECODE_OP_BIT_LSHIFT, | |
744 | [ BYTECODE_OP_BIT_AND ] = &&LABEL_BYTECODE_OP_BIT_AND, | |
745 | [ BYTECODE_OP_BIT_OR ] = &&LABEL_BYTECODE_OP_BIT_OR, | |
746 | [ BYTECODE_OP_BIT_XOR ] = &&LABEL_BYTECODE_OP_BIT_XOR, | |
97b58163 MD |
747 | |
748 | /* binary comparators */ | |
04aa13f8 FD |
749 | [ BYTECODE_OP_EQ ] = &&LABEL_BYTECODE_OP_EQ, |
750 | [ BYTECODE_OP_NE ] = &&LABEL_BYTECODE_OP_NE, | |
751 | [ BYTECODE_OP_GT ] = &&LABEL_BYTECODE_OP_GT, | |
752 | [ BYTECODE_OP_LT ] = &&LABEL_BYTECODE_OP_LT, | |
753 | [ BYTECODE_OP_GE ] = &&LABEL_BYTECODE_OP_GE, | |
754 | [ BYTECODE_OP_LE ] = &&LABEL_BYTECODE_OP_LE, | |
97b58163 MD |
755 | |
756 | /* string binary comparator */ | |
04aa13f8 FD |
757 | [ BYTECODE_OP_EQ_STRING ] = &&LABEL_BYTECODE_OP_EQ_STRING, |
758 | [ BYTECODE_OP_NE_STRING ] = &&LABEL_BYTECODE_OP_NE_STRING, | |
759 | [ BYTECODE_OP_GT_STRING ] = &&LABEL_BYTECODE_OP_GT_STRING, | |
760 | [ BYTECODE_OP_LT_STRING ] = &&LABEL_BYTECODE_OP_LT_STRING, | |
761 | [ BYTECODE_OP_GE_STRING ] = &&LABEL_BYTECODE_OP_GE_STRING, | |
762 | [ BYTECODE_OP_LE_STRING ] = &&LABEL_BYTECODE_OP_LE_STRING, | |
97b58163 | 763 | |
3151a51d | 764 | /* globbing pattern binary comparator */ |
04aa13f8 FD |
765 | [ BYTECODE_OP_EQ_STAR_GLOB_STRING ] = &&LABEL_BYTECODE_OP_EQ_STAR_GLOB_STRING, |
766 | [ BYTECODE_OP_NE_STAR_GLOB_STRING ] = &&LABEL_BYTECODE_OP_NE_STAR_GLOB_STRING, | |
3151a51d | 767 | |
97b58163 | 768 | /* s64 binary comparator */ |
04aa13f8 FD |
769 | [ BYTECODE_OP_EQ_S64 ] = &&LABEL_BYTECODE_OP_EQ_S64, |
770 | [ BYTECODE_OP_NE_S64 ] = &&LABEL_BYTECODE_OP_NE_S64, | |
771 | [ BYTECODE_OP_GT_S64 ] = &&LABEL_BYTECODE_OP_GT_S64, | |
772 | [ BYTECODE_OP_LT_S64 ] = &&LABEL_BYTECODE_OP_LT_S64, | |
773 | [ BYTECODE_OP_GE_S64 ] = &&LABEL_BYTECODE_OP_GE_S64, | |
774 | [ BYTECODE_OP_LE_S64 ] = &&LABEL_BYTECODE_OP_LE_S64, | |
97b58163 MD |
775 | |
776 | /* double binary comparator */ | |
04aa13f8 FD |
777 | [ BYTECODE_OP_EQ_DOUBLE ] = &&LABEL_BYTECODE_OP_EQ_DOUBLE, |
778 | [ BYTECODE_OP_NE_DOUBLE ] = &&LABEL_BYTECODE_OP_NE_DOUBLE, | |
779 | [ BYTECODE_OP_GT_DOUBLE ] = &&LABEL_BYTECODE_OP_GT_DOUBLE, | |
780 | [ BYTECODE_OP_LT_DOUBLE ] = &&LABEL_BYTECODE_OP_LT_DOUBLE, | |
781 | [ BYTECODE_OP_GE_DOUBLE ] = &&LABEL_BYTECODE_OP_GE_DOUBLE, | |
782 | [ BYTECODE_OP_LE_DOUBLE ] = &&LABEL_BYTECODE_OP_LE_DOUBLE, | |
97b58163 | 783 | |
dbea82ec | 784 | /* Mixed S64-double binary comparators */ |
04aa13f8 FD |
785 | [ BYTECODE_OP_EQ_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_EQ_DOUBLE_S64, |
786 | [ BYTECODE_OP_NE_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_NE_DOUBLE_S64, | |
787 | [ BYTECODE_OP_GT_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_GT_DOUBLE_S64, | |
788 | [ BYTECODE_OP_LT_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_LT_DOUBLE_S64, | |
789 | [ BYTECODE_OP_GE_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_GE_DOUBLE_S64, | |
790 | [ BYTECODE_OP_LE_DOUBLE_S64 ] = &&LABEL_BYTECODE_OP_LE_DOUBLE_S64, | |
791 | ||
792 | [ BYTECODE_OP_EQ_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_EQ_S64_DOUBLE, | |
793 | [ BYTECODE_OP_NE_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_NE_S64_DOUBLE, | |
794 | [ BYTECODE_OP_GT_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_GT_S64_DOUBLE, | |
795 | [ BYTECODE_OP_LT_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_LT_S64_DOUBLE, | |
796 | [ BYTECODE_OP_GE_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_GE_S64_DOUBLE, | |
797 | [ BYTECODE_OP_LE_S64_DOUBLE ] = &&LABEL_BYTECODE_OP_LE_S64_DOUBLE, | |
dbea82ec | 798 | |
97b58163 | 799 | /* unary */ |
04aa13f8 FD |
800 | [ BYTECODE_OP_UNARY_PLUS ] = &&LABEL_BYTECODE_OP_UNARY_PLUS, |
801 | [ BYTECODE_OP_UNARY_MINUS ] = &&LABEL_BYTECODE_OP_UNARY_MINUS, | |
802 | [ BYTECODE_OP_UNARY_NOT ] = &&LABEL_BYTECODE_OP_UNARY_NOT, | |
803 | [ BYTECODE_OP_UNARY_PLUS_S64 ] = &&LABEL_BYTECODE_OP_UNARY_PLUS_S64, | |
804 | [ BYTECODE_OP_UNARY_MINUS_S64 ] = &&LABEL_BYTECODE_OP_UNARY_MINUS_S64, | |
805 | [ BYTECODE_OP_UNARY_NOT_S64 ] = &&LABEL_BYTECODE_OP_UNARY_NOT_S64, | |
806 | [ BYTECODE_OP_UNARY_PLUS_DOUBLE ] = &&LABEL_BYTECODE_OP_UNARY_PLUS_DOUBLE, | |
807 | [ BYTECODE_OP_UNARY_MINUS_DOUBLE ] = &&LABEL_BYTECODE_OP_UNARY_MINUS_DOUBLE, | |
808 | [ BYTECODE_OP_UNARY_NOT_DOUBLE ] = &&LABEL_BYTECODE_OP_UNARY_NOT_DOUBLE, | |
97b58163 MD |
809 | |
810 | /* logical */ | |
04aa13f8 FD |
811 | [ BYTECODE_OP_AND ] = &&LABEL_BYTECODE_OP_AND, |
812 | [ BYTECODE_OP_OR ] = &&LABEL_BYTECODE_OP_OR, | |
97b58163 | 813 | |
77aa5901 | 814 | /* load field ref */ |
04aa13f8 FD |
815 | [ BYTECODE_OP_LOAD_FIELD_REF ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF, |
816 | [ BYTECODE_OP_LOAD_FIELD_REF_STRING ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF_STRING, | |
817 | [ BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE, | |
818 | [ BYTECODE_OP_LOAD_FIELD_REF_S64 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF_S64, | |
819 | [ BYTECODE_OP_LOAD_FIELD_REF_DOUBLE ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_REF_DOUBLE, | |
97b58163 | 820 | |
77aa5901 | 821 | /* load from immediate operand */ |
04aa13f8 FD |
822 | [ BYTECODE_OP_LOAD_STRING ] = &&LABEL_BYTECODE_OP_LOAD_STRING, |
823 | [ BYTECODE_OP_LOAD_STAR_GLOB_STRING ] = &&LABEL_BYTECODE_OP_LOAD_STAR_GLOB_STRING, | |
824 | [ BYTECODE_OP_LOAD_S64 ] = &&LABEL_BYTECODE_OP_LOAD_S64, | |
825 | [ BYTECODE_OP_LOAD_DOUBLE ] = &&LABEL_BYTECODE_OP_LOAD_DOUBLE, | |
97b58163 MD |
826 | |
827 | /* cast */ | |
04aa13f8 FD |
828 | [ BYTECODE_OP_CAST_TO_S64 ] = &&LABEL_BYTECODE_OP_CAST_TO_S64, |
829 | [ BYTECODE_OP_CAST_DOUBLE_TO_S64 ] = &&LABEL_BYTECODE_OP_CAST_DOUBLE_TO_S64, | |
830 | [ BYTECODE_OP_CAST_NOP ] = &&LABEL_BYTECODE_OP_CAST_NOP, | |
77aa5901 MD |
831 | |
832 | /* get context ref */ | |
04aa13f8 FD |
833 | [ BYTECODE_OP_GET_CONTEXT_REF ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_REF, |
834 | [ BYTECODE_OP_GET_CONTEXT_REF_STRING ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_REF_STRING, | |
835 | [ BYTECODE_OP_GET_CONTEXT_REF_S64 ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_REF_S64, | |
836 | [ BYTECODE_OP_GET_CONTEXT_REF_DOUBLE ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_REF_DOUBLE, | |
47e5f13e MD |
837 | |
838 | /* Instructions for recursive traversal through composed types. */ | |
04aa13f8 FD |
839 | [ BYTECODE_OP_GET_CONTEXT_ROOT ] = &&LABEL_BYTECODE_OP_GET_CONTEXT_ROOT, |
840 | [ BYTECODE_OP_GET_APP_CONTEXT_ROOT ] = &&LABEL_BYTECODE_OP_GET_APP_CONTEXT_ROOT, | |
841 | [ BYTECODE_OP_GET_PAYLOAD_ROOT ] = &&LABEL_BYTECODE_OP_GET_PAYLOAD_ROOT, | |
842 | ||
843 | [ BYTECODE_OP_GET_SYMBOL ] = &&LABEL_BYTECODE_OP_GET_SYMBOL, | |
844 | [ BYTECODE_OP_GET_SYMBOL_FIELD ] = &&LABEL_BYTECODE_OP_GET_SYMBOL_FIELD, | |
845 | [ BYTECODE_OP_GET_INDEX_U16 ] = &&LABEL_BYTECODE_OP_GET_INDEX_U16, | |
846 | [ BYTECODE_OP_GET_INDEX_U64 ] = &&LABEL_BYTECODE_OP_GET_INDEX_U64, | |
847 | ||
848 | [ BYTECODE_OP_LOAD_FIELD ] = &&LABEL_BYTECODE_OP_LOAD_FIELD, | |
849 | [ BYTECODE_OP_LOAD_FIELD_S8 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_S8, | |
850 | [ BYTECODE_OP_LOAD_FIELD_S16 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_S16, | |
851 | [ BYTECODE_OP_LOAD_FIELD_S32 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_S32, | |
852 | [ BYTECODE_OP_LOAD_FIELD_S64 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_S64, | |
853 | [ BYTECODE_OP_LOAD_FIELD_U8 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_U8, | |
854 | [ BYTECODE_OP_LOAD_FIELD_U16 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_U16, | |
855 | [ BYTECODE_OP_LOAD_FIELD_U32 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_U32, | |
856 | [ BYTECODE_OP_LOAD_FIELD_U64 ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_U64, | |
857 | [ BYTECODE_OP_LOAD_FIELD_STRING ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_STRING, | |
858 | [ BYTECODE_OP_LOAD_FIELD_SEQUENCE ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_SEQUENCE, | |
859 | [ BYTECODE_OP_LOAD_FIELD_DOUBLE ] = &&LABEL_BYTECODE_OP_LOAD_FIELD_DOUBLE, | |
860 | ||
861 | [ BYTECODE_OP_UNARY_BIT_NOT ] = &&LABEL_BYTECODE_OP_UNARY_BIT_NOT, | |
862 | ||
863 | [ BYTECODE_OP_RETURN_S64 ] = &&LABEL_BYTECODE_OP_RETURN_S64, | |
97b58163 MD |
864 | }; |
865 | #endif /* #ifndef INTERPRETER_USE_SWITCH */ | |
866 | ||
867 | START_OP | |
868 | ||
04aa13f8 FD |
869 | OP(BYTECODE_OP_UNKNOWN): |
870 | OP(BYTECODE_OP_LOAD_FIELD_REF): | |
97b58163 MD |
871 | #ifdef INTERPRETER_USE_SWITCH |
872 | default: | |
873 | #endif /* INTERPRETER_USE_SWITCH */ | |
47e5f13e | 874 | ERR("unknown bytecode op %u", |
04aa13f8 | 875 | (unsigned int) *(bytecode_opcode_t *) pc); |
97b58163 MD |
876 | ret = -EINVAL; |
877 | goto end; | |
878 | ||
04aa13f8 | 879 | OP(BYTECODE_OP_RETURN): |
22c30e27 | 880 | /* LTTNG_UST_BYTECODE_INTERPRETER_ERROR or LTTNG_UST_BYTECODE_INTERPRETER_OK */ |
47e5f13e MD |
881 | /* Handle dynamic typing. */ |
882 | switch (estack_ax_t) { | |
883 | case REG_S64: | |
d97f9b78 | 884 | case REG_U64: |
47e5f13e MD |
885 | retval = !!estack_ax_v; |
886 | break; | |
887 | case REG_DOUBLE: | |
888 | case REG_STRING: | |
f3503ba9 | 889 | case REG_PTR: |
a2e4d05e | 890 | if (ust_bytecode->type != LTTNG_UST_BYTECODE_TYPE_CAPTURE) { |
f3503ba9 FD |
891 | ret = -EINVAL; |
892 | goto end; | |
893 | } | |
894 | retval = 0; | |
895 | break; | |
47e5f13e | 896 | case REG_STAR_GLOB_STRING: |
f3503ba9 | 897 | case REG_UNKNOWN: |
47e5f13e MD |
898 | default: |
899 | ret = -EINVAL; | |
900 | goto end; | |
901 | } | |
97b58163 MD |
902 | ret = 0; |
903 | goto end; | |
904 | ||
04aa13f8 | 905 | OP(BYTECODE_OP_RETURN_S64): |
22c30e27 | 906 | /* LTTNG_UST_BYTECODE_INTERPRETER_ERROR or LTTNG_UST_BYTECODE_INTERPRETER_OK */ |
93c591bb MD |
907 | retval = !!estack_ax_v; |
908 | ret = 0; | |
909 | goto end; | |
910 | ||
97b58163 | 911 | /* binary */ |
04aa13f8 FD |
912 | OP(BYTECODE_OP_MUL): |
913 | OP(BYTECODE_OP_DIV): | |
914 | OP(BYTECODE_OP_MOD): | |
915 | OP(BYTECODE_OP_PLUS): | |
916 | OP(BYTECODE_OP_MINUS): | |
47e5f13e | 917 | ERR("unsupported bytecode op %u", |
04aa13f8 | 918 | (unsigned int) *(bytecode_opcode_t *) pc); |
97b58163 MD |
919 | ret = -EINVAL; |
920 | goto end; | |
921 | ||
04aa13f8 | 922 | OP(BYTECODE_OP_EQ): |
53569322 MD |
923 | { |
924 | /* Dynamic typing. */ | |
925 | switch (estack_ax_t) { | |
d97f9b78 MD |
926 | case REG_S64: /* Fall-through */ |
927 | case REG_U64: | |
53569322 | 928 | switch (estack_bx_t) { |
d97f9b78 MD |
929 | case REG_S64: /* Fall-through */ |
930 | case REG_U64: | |
04aa13f8 | 931 | JUMP_TO(BYTECODE_OP_EQ_S64); |
53569322 | 932 | case REG_DOUBLE: |
04aa13f8 | 933 | JUMP_TO(BYTECODE_OP_EQ_DOUBLE_S64); |
3151a51d PP |
934 | case REG_STRING: /* Fall-through */ |
935 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
936 | ret = -EINVAL; |
937 | goto end; | |
938 | default: | |
04aa13f8 | 939 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
940 | (int) estack_bx_t); |
941 | ret = -EINVAL; | |
942 | goto end; | |
943 | } | |
944 | break; | |
945 | case REG_DOUBLE: | |
946 | switch (estack_bx_t) { | |
d97f9b78 MD |
947 | case REG_S64: /* Fall-through */ |
948 | case REG_U64: | |
04aa13f8 | 949 | JUMP_TO(BYTECODE_OP_EQ_S64_DOUBLE); |
53569322 | 950 | case REG_DOUBLE: |
04aa13f8 | 951 | JUMP_TO(BYTECODE_OP_EQ_DOUBLE); |
3151a51d PP |
952 | case REG_STRING: /* Fall-through */ |
953 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
954 | ret = -EINVAL; |
955 | goto end; | |
956 | default: | |
04aa13f8 | 957 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
958 | (int) estack_bx_t); |
959 | ret = -EINVAL; | |
960 | goto end; | |
961 | } | |
962 | break; | |
963 | case REG_STRING: | |
964 | switch (estack_bx_t) { | |
965 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 966 | case REG_U64: /* Fall-through */ |
53569322 MD |
967 | case REG_DOUBLE: |
968 | ret = -EINVAL; | |
969 | goto end; | |
970 | case REG_STRING: | |
04aa13f8 | 971 | JUMP_TO(BYTECODE_OP_EQ_STRING); |
3151a51d | 972 | case REG_STAR_GLOB_STRING: |
04aa13f8 | 973 | JUMP_TO(BYTECODE_OP_EQ_STAR_GLOB_STRING); |
3151a51d | 974 | default: |
04aa13f8 | 975 | ERR("Unknown interpreter register type (%d)", |
3151a51d PP |
976 | (int) estack_bx_t); |
977 | ret = -EINVAL; | |
978 | goto end; | |
979 | } | |
980 | break; | |
981 | case REG_STAR_GLOB_STRING: | |
982 | switch (estack_bx_t) { | |
983 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 984 | case REG_U64: /* Fall-through */ |
3151a51d PP |
985 | case REG_DOUBLE: |
986 | ret = -EINVAL; | |
987 | goto end; | |
988 | case REG_STRING: | |
04aa13f8 | 989 | JUMP_TO(BYTECODE_OP_EQ_STAR_GLOB_STRING); |
3151a51d PP |
990 | case REG_STAR_GLOB_STRING: |
991 | ret = -EINVAL; | |
992 | goto end; | |
53569322 | 993 | default: |
04aa13f8 | 994 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
995 | (int) estack_bx_t); |
996 | ret = -EINVAL; | |
997 | goto end; | |
998 | } | |
999 | break; | |
1000 | default: | |
04aa13f8 | 1001 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1002 | (int) estack_ax_t); |
1003 | ret = -EINVAL; | |
1004 | goto end; | |
1005 | } | |
1006 | } | |
04aa13f8 | 1007 | OP(BYTECODE_OP_NE): |
53569322 MD |
1008 | { |
1009 | /* Dynamic typing. */ | |
1010 | switch (estack_ax_t) { | |
d97f9b78 MD |
1011 | case REG_S64: /* Fall-through */ |
1012 | case REG_U64: | |
53569322 | 1013 | switch (estack_bx_t) { |
d97f9b78 MD |
1014 | case REG_S64: /* Fall-through */ |
1015 | case REG_U64: | |
04aa13f8 | 1016 | JUMP_TO(BYTECODE_OP_NE_S64); |
53569322 | 1017 | case REG_DOUBLE: |
04aa13f8 | 1018 | JUMP_TO(BYTECODE_OP_NE_DOUBLE_S64); |
3151a51d PP |
1019 | case REG_STRING: /* Fall-through */ |
1020 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1021 | ret = -EINVAL; |
1022 | goto end; | |
1023 | default: | |
04aa13f8 | 1024 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1025 | (int) estack_bx_t); |
1026 | ret = -EINVAL; | |
1027 | goto end; | |
1028 | } | |
1029 | break; | |
1030 | case REG_DOUBLE: | |
1031 | switch (estack_bx_t) { | |
d97f9b78 MD |
1032 | case REG_S64: /* Fall-through */ |
1033 | case REG_U64: | |
04aa13f8 | 1034 | JUMP_TO(BYTECODE_OP_NE_S64_DOUBLE); |
53569322 | 1035 | case REG_DOUBLE: |
04aa13f8 | 1036 | JUMP_TO(BYTECODE_OP_NE_DOUBLE); |
3151a51d PP |
1037 | case REG_STRING: /* Fall-through */ |
1038 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1039 | ret = -EINVAL; |
1040 | goto end; | |
1041 | default: | |
04aa13f8 | 1042 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1043 | (int) estack_bx_t); |
1044 | ret = -EINVAL; | |
1045 | goto end; | |
1046 | } | |
1047 | break; | |
1048 | case REG_STRING: | |
1049 | switch (estack_bx_t) { | |
1050 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1051 | case REG_U64: |
53569322 MD |
1052 | case REG_DOUBLE: |
1053 | ret = -EINVAL; | |
1054 | goto end; | |
1055 | case REG_STRING: | |
04aa13f8 | 1056 | JUMP_TO(BYTECODE_OP_NE_STRING); |
3151a51d | 1057 | case REG_STAR_GLOB_STRING: |
04aa13f8 | 1058 | JUMP_TO(BYTECODE_OP_NE_STAR_GLOB_STRING); |
3151a51d | 1059 | default: |
04aa13f8 | 1060 | ERR("Unknown interpreter register type (%d)", |
3151a51d PP |
1061 | (int) estack_bx_t); |
1062 | ret = -EINVAL; | |
1063 | goto end; | |
1064 | } | |
1065 | break; | |
1066 | case REG_STAR_GLOB_STRING: | |
1067 | switch (estack_bx_t) { | |
1068 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1069 | case REG_U64: |
3151a51d PP |
1070 | case REG_DOUBLE: |
1071 | ret = -EINVAL; | |
1072 | goto end; | |
1073 | case REG_STRING: | |
04aa13f8 | 1074 | JUMP_TO(BYTECODE_OP_NE_STAR_GLOB_STRING); |
3151a51d PP |
1075 | case REG_STAR_GLOB_STRING: |
1076 | ret = -EINVAL; | |
1077 | goto end; | |
53569322 | 1078 | default: |
04aa13f8 | 1079 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1080 | (int) estack_bx_t); |
1081 | ret = -EINVAL; | |
1082 | goto end; | |
1083 | } | |
1084 | break; | |
1085 | default: | |
04aa13f8 | 1086 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1087 | (int) estack_ax_t); |
1088 | ret = -EINVAL; | |
1089 | goto end; | |
1090 | } | |
1091 | } | |
04aa13f8 | 1092 | OP(BYTECODE_OP_GT): |
53569322 MD |
1093 | { |
1094 | /* Dynamic typing. */ | |
1095 | switch (estack_ax_t) { | |
d97f9b78 MD |
1096 | case REG_S64: /* Fall-through */ |
1097 | case REG_U64: | |
53569322 | 1098 | switch (estack_bx_t) { |
d97f9b78 MD |
1099 | case REG_S64: /* Fall-through */ |
1100 | case REG_U64: | |
04aa13f8 | 1101 | JUMP_TO(BYTECODE_OP_GT_S64); |
53569322 | 1102 | case REG_DOUBLE: |
04aa13f8 | 1103 | JUMP_TO(BYTECODE_OP_GT_DOUBLE_S64); |
3151a51d PP |
1104 | case REG_STRING: /* Fall-through */ |
1105 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1106 | ret = -EINVAL; |
1107 | goto end; | |
1108 | default: | |
04aa13f8 | 1109 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1110 | (int) estack_bx_t); |
1111 | ret = -EINVAL; | |
1112 | goto end; | |
1113 | } | |
1114 | break; | |
1115 | case REG_DOUBLE: | |
1116 | switch (estack_bx_t) { | |
d97f9b78 MD |
1117 | case REG_S64: /* Fall-through */ |
1118 | case REG_U64: | |
04aa13f8 | 1119 | JUMP_TO(BYTECODE_OP_GT_S64_DOUBLE); |
53569322 | 1120 | case REG_DOUBLE: |
04aa13f8 | 1121 | JUMP_TO(BYTECODE_OP_GT_DOUBLE); |
3151a51d PP |
1122 | case REG_STRING: /* Fall-through */ |
1123 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1124 | ret = -EINVAL; |
1125 | goto end; | |
1126 | default: | |
04aa13f8 | 1127 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1128 | (int) estack_bx_t); |
1129 | ret = -EINVAL; | |
1130 | goto end; | |
1131 | } | |
1132 | break; | |
1133 | case REG_STRING: | |
1134 | switch (estack_bx_t) { | |
1135 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1136 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1137 | case REG_DOUBLE: /* Fall-through */ |
1138 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1139 | ret = -EINVAL; |
1140 | goto end; | |
1141 | case REG_STRING: | |
04aa13f8 | 1142 | JUMP_TO(BYTECODE_OP_GT_STRING); |
53569322 | 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 | default: | |
04aa13f8 | 1151 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1152 | (int) estack_ax_t); |
1153 | ret = -EINVAL; | |
1154 | goto end; | |
1155 | } | |
1156 | } | |
04aa13f8 | 1157 | OP(BYTECODE_OP_LT): |
53569322 MD |
1158 | { |
1159 | /* Dynamic typing. */ | |
1160 | switch (estack_ax_t) { | |
d97f9b78 MD |
1161 | case REG_S64: /* Fall-through */ |
1162 | case REG_U64: | |
53569322 | 1163 | switch (estack_bx_t) { |
d97f9b78 MD |
1164 | case REG_S64: /* Fall-through */ |
1165 | case REG_U64: | |
04aa13f8 | 1166 | JUMP_TO(BYTECODE_OP_LT_S64); |
53569322 | 1167 | case REG_DOUBLE: |
04aa13f8 | 1168 | JUMP_TO(BYTECODE_OP_LT_DOUBLE_S64); |
3151a51d PP |
1169 | case REG_STRING: /* Fall-through */ |
1170 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1171 | ret = -EINVAL; |
1172 | goto end; | |
1173 | default: | |
04aa13f8 | 1174 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1175 | (int) estack_bx_t); |
1176 | ret = -EINVAL; | |
1177 | goto end; | |
1178 | } | |
1179 | break; | |
1180 | case REG_DOUBLE: | |
1181 | switch (estack_bx_t) { | |
d97f9b78 MD |
1182 | case REG_S64: /* Fall-through */ |
1183 | case REG_U64: | |
04aa13f8 | 1184 | JUMP_TO(BYTECODE_OP_LT_S64_DOUBLE); |
53569322 | 1185 | case REG_DOUBLE: |
04aa13f8 | 1186 | JUMP_TO(BYTECODE_OP_LT_DOUBLE); |
3151a51d PP |
1187 | case REG_STRING: /* Fall-through */ |
1188 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1189 | ret = -EINVAL; |
1190 | goto end; | |
1191 | default: | |
04aa13f8 | 1192 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1193 | (int) estack_bx_t); |
1194 | ret = -EINVAL; | |
1195 | goto end; | |
1196 | } | |
1197 | break; | |
1198 | case REG_STRING: | |
1199 | switch (estack_bx_t) { | |
1200 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1201 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1202 | case REG_DOUBLE: /* Fall-through */ |
1203 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1204 | ret = -EINVAL; |
1205 | goto end; | |
1206 | case REG_STRING: | |
04aa13f8 | 1207 | JUMP_TO(BYTECODE_OP_LT_STRING); |
53569322 | 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 | default: | |
04aa13f8 | 1216 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1217 | (int) estack_ax_t); |
1218 | ret = -EINVAL; | |
1219 | goto end; | |
1220 | } | |
1221 | } | |
04aa13f8 | 1222 | OP(BYTECODE_OP_GE): |
53569322 MD |
1223 | { |
1224 | /* Dynamic typing. */ | |
1225 | switch (estack_ax_t) { | |
d97f9b78 MD |
1226 | case REG_S64: /* Fall-through */ |
1227 | case REG_U64: | |
53569322 | 1228 | switch (estack_bx_t) { |
d97f9b78 MD |
1229 | case REG_S64: /* Fall-through */ |
1230 | case REG_U64: | |
04aa13f8 | 1231 | JUMP_TO(BYTECODE_OP_GE_S64); |
53569322 | 1232 | case REG_DOUBLE: |
04aa13f8 | 1233 | JUMP_TO(BYTECODE_OP_GE_DOUBLE_S64); |
3151a51d PP |
1234 | case REG_STRING: /* Fall-through */ |
1235 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1236 | ret = -EINVAL; |
1237 | goto end; | |
1238 | default: | |
04aa13f8 | 1239 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1240 | (int) estack_bx_t); |
1241 | ret = -EINVAL; | |
1242 | goto end; | |
1243 | } | |
1244 | break; | |
1245 | case REG_DOUBLE: | |
1246 | switch (estack_bx_t) { | |
d97f9b78 MD |
1247 | case REG_S64: /* Fall-through */ |
1248 | case REG_U64: | |
04aa13f8 | 1249 | JUMP_TO(BYTECODE_OP_GE_S64_DOUBLE); |
53569322 | 1250 | case REG_DOUBLE: |
04aa13f8 | 1251 | JUMP_TO(BYTECODE_OP_GE_DOUBLE); |
3151a51d PP |
1252 | case REG_STRING: /* Fall-through */ |
1253 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1254 | ret = -EINVAL; |
1255 | goto end; | |
1256 | default: | |
04aa13f8 | 1257 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1258 | (int) estack_bx_t); |
1259 | ret = -EINVAL; | |
1260 | goto end; | |
1261 | } | |
1262 | break; | |
1263 | case REG_STRING: | |
1264 | switch (estack_bx_t) { | |
1265 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1266 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1267 | case REG_DOUBLE: /* Fall-through */ |
1268 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1269 | ret = -EINVAL; |
1270 | goto end; | |
1271 | case REG_STRING: | |
04aa13f8 | 1272 | JUMP_TO(BYTECODE_OP_GE_STRING); |
53569322 | 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 | default: | |
04aa13f8 | 1281 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1282 | (int) estack_ax_t); |
1283 | ret = -EINVAL; | |
1284 | goto end; | |
1285 | } | |
1286 | } | |
04aa13f8 | 1287 | OP(BYTECODE_OP_LE): |
53569322 MD |
1288 | { |
1289 | /* Dynamic typing. */ | |
1290 | switch (estack_ax_t) { | |
d97f9b78 MD |
1291 | case REG_S64: /* Fall-through */ |
1292 | case REG_U64: | |
53569322 | 1293 | switch (estack_bx_t) { |
d97f9b78 MD |
1294 | case REG_S64: /* Fall-through */ |
1295 | case REG_U64: | |
04aa13f8 | 1296 | JUMP_TO(BYTECODE_OP_LE_S64); |
53569322 | 1297 | case REG_DOUBLE: |
04aa13f8 | 1298 | JUMP_TO(BYTECODE_OP_LE_DOUBLE_S64); |
3151a51d PP |
1299 | case REG_STRING: /* Fall-through */ |
1300 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1301 | ret = -EINVAL; |
1302 | goto end; | |
1303 | default: | |
04aa13f8 | 1304 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1305 | (int) estack_bx_t); |
1306 | ret = -EINVAL; | |
1307 | goto end; | |
1308 | } | |
1309 | break; | |
1310 | case REG_DOUBLE: | |
1311 | switch (estack_bx_t) { | |
d97f9b78 MD |
1312 | case REG_S64: /* Fall-through */ |
1313 | case REG_U64: | |
04aa13f8 | 1314 | JUMP_TO(BYTECODE_OP_LE_S64_DOUBLE); |
53569322 | 1315 | case REG_DOUBLE: |
04aa13f8 | 1316 | JUMP_TO(BYTECODE_OP_LE_DOUBLE); |
3151a51d PP |
1317 | case REG_STRING: /* Fall-through */ |
1318 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1319 | ret = -EINVAL; |
1320 | goto end; | |
1321 | default: | |
04aa13f8 | 1322 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1323 | (int) estack_bx_t); |
1324 | ret = -EINVAL; | |
1325 | goto end; | |
1326 | } | |
1327 | break; | |
1328 | case REG_STRING: | |
1329 | switch (estack_bx_t) { | |
1330 | case REG_S64: /* Fall-through */ | |
d97f9b78 | 1331 | case REG_U64: /* Fall-through */ |
3151a51d PP |
1332 | case REG_DOUBLE: /* Fall-through */ |
1333 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1334 | ret = -EINVAL; |
1335 | goto end; | |
1336 | case REG_STRING: | |
04aa13f8 | 1337 | JUMP_TO(BYTECODE_OP_LE_STRING); |
53569322 | 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 | default: | |
04aa13f8 | 1346 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1347 | (int) estack_ax_t); |
1348 | ret = -EINVAL; | |
1349 | goto end; | |
1350 | } | |
1351 | } | |
97b58163 | 1352 | |
04aa13f8 | 1353 | OP(BYTECODE_OP_EQ_STRING): |
97b58163 | 1354 | { |
0305960f MD |
1355 | int res; |
1356 | ||
9b33aac4 | 1357 | res = (stack_strcmp(stack, top, "==") == 0); |
53569322 | 1358 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1359 | estack_ax_v = res; |
53569322 | 1360 | estack_ax_t = REG_S64; |
97b58163 MD |
1361 | next_pc += sizeof(struct binary_op); |
1362 | PO; | |
1363 | } | |
04aa13f8 | 1364 | OP(BYTECODE_OP_NE_STRING): |
97b58163 | 1365 | { |
0305960f MD |
1366 | int res; |
1367 | ||
9b33aac4 | 1368 | res = (stack_strcmp(stack, top, "!=") != 0); |
53569322 | 1369 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1370 | estack_ax_v = res; |
53569322 | 1371 | estack_ax_t = REG_S64; |
97b58163 MD |
1372 | next_pc += sizeof(struct binary_op); |
1373 | PO; | |
1374 | } | |
04aa13f8 | 1375 | OP(BYTECODE_OP_GT_STRING): |
97b58163 | 1376 | { |
0305960f MD |
1377 | int res; |
1378 | ||
9b33aac4 | 1379 | res = (stack_strcmp(stack, top, ">") > 0); |
53569322 | 1380 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1381 | estack_ax_v = res; |
53569322 | 1382 | estack_ax_t = REG_S64; |
97b58163 MD |
1383 | next_pc += sizeof(struct binary_op); |
1384 | PO; | |
1385 | } | |
04aa13f8 | 1386 | OP(BYTECODE_OP_LT_STRING): |
97b58163 | 1387 | { |
0305960f MD |
1388 | int res; |
1389 | ||
9b33aac4 | 1390 | res = (stack_strcmp(stack, top, "<") < 0); |
53569322 | 1391 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1392 | estack_ax_v = res; |
53569322 | 1393 | estack_ax_t = REG_S64; |
97b58163 MD |
1394 | next_pc += sizeof(struct binary_op); |
1395 | PO; | |
1396 | } | |
04aa13f8 | 1397 | OP(BYTECODE_OP_GE_STRING): |
97b58163 | 1398 | { |
0305960f MD |
1399 | int res; |
1400 | ||
9b33aac4 | 1401 | res = (stack_strcmp(stack, top, ">=") >= 0); |
53569322 | 1402 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1403 | estack_ax_v = res; |
53569322 | 1404 | estack_ax_t = REG_S64; |
97b58163 MD |
1405 | next_pc += sizeof(struct binary_op); |
1406 | PO; | |
1407 | } | |
04aa13f8 | 1408 | OP(BYTECODE_OP_LE_STRING): |
97b58163 | 1409 | { |
0305960f MD |
1410 | int res; |
1411 | ||
9b33aac4 | 1412 | res = (stack_strcmp(stack, top, "<=") <= 0); |
53569322 | 1413 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1414 | estack_ax_v = res; |
53569322 | 1415 | estack_ax_t = REG_S64; |
97b58163 MD |
1416 | next_pc += sizeof(struct binary_op); |
1417 | PO; | |
1418 | } | |
1419 | ||
04aa13f8 | 1420 | OP(BYTECODE_OP_EQ_STAR_GLOB_STRING): |
3151a51d PP |
1421 | { |
1422 | int res; | |
1423 | ||
1424 | res = (stack_star_glob_match(stack, top, "==") == 0); | |
1425 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1426 | estack_ax_v = res; | |
1427 | estack_ax_t = REG_S64; | |
1428 | next_pc += sizeof(struct binary_op); | |
1429 | PO; | |
1430 | } | |
04aa13f8 | 1431 | OP(BYTECODE_OP_NE_STAR_GLOB_STRING): |
3151a51d PP |
1432 | { |
1433 | int res; | |
1434 | ||
1435 | res = (stack_star_glob_match(stack, top, "!=") != 0); | |
1436 | estack_pop(stack, top, ax, bx, ax_t, bx_t); | |
1437 | estack_ax_v = res; | |
1438 | estack_ax_t = REG_S64; | |
1439 | next_pc += sizeof(struct binary_op); | |
1440 | PO; | |
1441 | } | |
1442 | ||
04aa13f8 | 1443 | OP(BYTECODE_OP_EQ_S64): |
97b58163 | 1444 | { |
0305960f MD |
1445 | int res; |
1446 | ||
9b33aac4 | 1447 | res = (estack_bx_v == estack_ax_v); |
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 | } | |
04aa13f8 | 1454 | OP(BYTECODE_OP_NE_S64): |
97b58163 | 1455 | { |
0305960f MD |
1456 | int res; |
1457 | ||
9b33aac4 | 1458 | res = (estack_bx_v != estack_ax_v); |
53569322 | 1459 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1460 | estack_ax_v = res; |
53569322 | 1461 | estack_ax_t = REG_S64; |
97b58163 MD |
1462 | next_pc += sizeof(struct binary_op); |
1463 | PO; | |
1464 | } | |
04aa13f8 | 1465 | OP(BYTECODE_OP_GT_S64): |
97b58163 | 1466 | { |
0305960f MD |
1467 | int res; |
1468 | ||
9b33aac4 | 1469 | res = (estack_bx_v > estack_ax_v); |
53569322 | 1470 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1471 | estack_ax_v = res; |
53569322 | 1472 | estack_ax_t = REG_S64; |
97b58163 MD |
1473 | next_pc += sizeof(struct binary_op); |
1474 | PO; | |
1475 | } | |
04aa13f8 | 1476 | OP(BYTECODE_OP_LT_S64): |
97b58163 | 1477 | { |
0305960f MD |
1478 | int res; |
1479 | ||
9b33aac4 | 1480 | res = (estack_bx_v < estack_ax_v); |
53569322 | 1481 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1482 | estack_ax_v = res; |
53569322 | 1483 | estack_ax_t = REG_S64; |
97b58163 MD |
1484 | next_pc += sizeof(struct binary_op); |
1485 | PO; | |
1486 | } | |
04aa13f8 | 1487 | OP(BYTECODE_OP_GE_S64): |
97b58163 | 1488 | { |
0305960f MD |
1489 | int res; |
1490 | ||
9b33aac4 | 1491 | res = (estack_bx_v >= estack_ax_v); |
53569322 | 1492 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1493 | estack_ax_v = res; |
53569322 | 1494 | estack_ax_t = REG_S64; |
97b58163 MD |
1495 | next_pc += sizeof(struct binary_op); |
1496 | PO; | |
1497 | } | |
04aa13f8 | 1498 | OP(BYTECODE_OP_LE_S64): |
97b58163 | 1499 | { |
0305960f MD |
1500 | int res; |
1501 | ||
9b33aac4 | 1502 | res = (estack_bx_v <= estack_ax_v); |
53569322 | 1503 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1504 | estack_ax_v = res; |
53569322 | 1505 | estack_ax_t = REG_S64; |
97b58163 MD |
1506 | next_pc += sizeof(struct binary_op); |
1507 | PO; | |
1508 | } | |
1509 | ||
04aa13f8 | 1510 | OP(BYTECODE_OP_EQ_DOUBLE): |
97b58163 | 1511 | { |
0305960f MD |
1512 | int res; |
1513 | ||
9b33aac4 | 1514 | res = (estack_bx(stack, top)->u.d == estack_ax(stack, top)->u.d); |
53569322 | 1515 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1516 | estack_ax_v = res; |
53569322 | 1517 | estack_ax_t = REG_S64; |
97b58163 MD |
1518 | next_pc += sizeof(struct binary_op); |
1519 | PO; | |
1520 | } | |
04aa13f8 | 1521 | OP(BYTECODE_OP_NE_DOUBLE): |
97b58163 | 1522 | { |
0305960f MD |
1523 | int res; |
1524 | ||
9b33aac4 | 1525 | res = (estack_bx(stack, top)->u.d != estack_ax(stack, top)->u.d); |
53569322 | 1526 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1527 | estack_ax_v = res; |
53569322 | 1528 | estack_ax_t = REG_S64; |
97b58163 MD |
1529 | next_pc += sizeof(struct binary_op); |
1530 | PO; | |
1531 | } | |
04aa13f8 | 1532 | OP(BYTECODE_OP_GT_DOUBLE): |
97b58163 | 1533 | { |
0305960f MD |
1534 | int res; |
1535 | ||
9b33aac4 | 1536 | res = (estack_bx(stack, top)->u.d > estack_ax(stack, top)->u.d); |
53569322 | 1537 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1538 | estack_ax_v = res; |
53569322 | 1539 | estack_ax_t = REG_S64; |
97b58163 MD |
1540 | next_pc += sizeof(struct binary_op); |
1541 | PO; | |
1542 | } | |
04aa13f8 | 1543 | OP(BYTECODE_OP_LT_DOUBLE): |
97b58163 | 1544 | { |
0305960f MD |
1545 | int res; |
1546 | ||
9b33aac4 | 1547 | res = (estack_bx(stack, top)->u.d < estack_ax(stack, top)->u.d); |
53569322 | 1548 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1549 | estack_ax_v = res; |
53569322 | 1550 | estack_ax_t = REG_S64; |
97b58163 MD |
1551 | next_pc += sizeof(struct binary_op); |
1552 | PO; | |
1553 | } | |
04aa13f8 | 1554 | OP(BYTECODE_OP_GE_DOUBLE): |
97b58163 | 1555 | { |
0305960f MD |
1556 | int res; |
1557 | ||
9b33aac4 | 1558 | res = (estack_bx(stack, top)->u.d >= estack_ax(stack, top)->u.d); |
53569322 | 1559 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1560 | estack_ax_v = res; |
53569322 | 1561 | estack_ax_t = REG_S64; |
97b58163 MD |
1562 | next_pc += sizeof(struct binary_op); |
1563 | PO; | |
1564 | } | |
04aa13f8 | 1565 | OP(BYTECODE_OP_LE_DOUBLE): |
97b58163 | 1566 | { |
0305960f MD |
1567 | int res; |
1568 | ||
9b33aac4 | 1569 | res = (estack_bx(stack, top)->u.d <= estack_ax(stack, top)->u.d); |
53569322 | 1570 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1571 | estack_ax_v = res; |
53569322 | 1572 | estack_ax_t = REG_S64; |
dbea82ec MD |
1573 | next_pc += sizeof(struct binary_op); |
1574 | PO; | |
1575 | } | |
1576 | ||
1577 | /* Mixed S64-double binary comparators */ | |
04aa13f8 | 1578 | OP(BYTECODE_OP_EQ_DOUBLE_S64): |
dbea82ec MD |
1579 | { |
1580 | int res; | |
1581 | ||
9b33aac4 | 1582 | res = (estack_bx(stack, top)->u.d == estack_ax_v); |
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; |
dbea82ec MD |
1586 | next_pc += sizeof(struct binary_op); |
1587 | PO; | |
1588 | } | |
04aa13f8 | 1589 | OP(BYTECODE_OP_NE_DOUBLE_S64): |
dbea82ec MD |
1590 | { |
1591 | int res; | |
1592 | ||
9b33aac4 | 1593 | res = (estack_bx(stack, top)->u.d != estack_ax_v); |
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; |
dbea82ec MD |
1597 | next_pc += sizeof(struct binary_op); |
1598 | PO; | |
1599 | } | |
04aa13f8 | 1600 | OP(BYTECODE_OP_GT_DOUBLE_S64): |
dbea82ec MD |
1601 | { |
1602 | int res; | |
1603 | ||
9b33aac4 | 1604 | res = (estack_bx(stack, top)->u.d > estack_ax_v); |
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 | } | |
04aa13f8 | 1611 | OP(BYTECODE_OP_LT_DOUBLE_S64): |
dbea82ec MD |
1612 | { |
1613 | int res; | |
1614 | ||
9b33aac4 | 1615 | res = (estack_bx(stack, top)->u.d < estack_ax_v); |
53569322 | 1616 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1617 | estack_ax_v = res; |
53569322 | 1618 | estack_ax_t = REG_S64; |
dbea82ec MD |
1619 | next_pc += sizeof(struct binary_op); |
1620 | PO; | |
1621 | } | |
04aa13f8 | 1622 | OP(BYTECODE_OP_GE_DOUBLE_S64): |
dbea82ec MD |
1623 | { |
1624 | int res; | |
1625 | ||
9b33aac4 | 1626 | res = (estack_bx(stack, top)->u.d >= estack_ax_v); |
53569322 | 1627 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1628 | estack_ax_v = res; |
53569322 | 1629 | estack_ax_t = REG_S64; |
dbea82ec MD |
1630 | next_pc += sizeof(struct binary_op); |
1631 | PO; | |
1632 | } | |
04aa13f8 | 1633 | OP(BYTECODE_OP_LE_DOUBLE_S64): |
dbea82ec MD |
1634 | { |
1635 | int res; | |
1636 | ||
9b33aac4 | 1637 | res = (estack_bx(stack, top)->u.d <= estack_ax_v); |
53569322 | 1638 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1639 | estack_ax_v = res; |
53569322 | 1640 | estack_ax_t = REG_S64; |
dbea82ec MD |
1641 | next_pc += sizeof(struct binary_op); |
1642 | PO; | |
1643 | } | |
1644 | ||
04aa13f8 | 1645 | OP(BYTECODE_OP_EQ_S64_DOUBLE): |
dbea82ec MD |
1646 | { |
1647 | int res; | |
1648 | ||
9b33aac4 | 1649 | res = (estack_bx_v == estack_ax(stack, top)->u.d); |
53569322 | 1650 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1651 | estack_ax_v = res; |
53569322 | 1652 | estack_ax_t = REG_S64; |
dbea82ec MD |
1653 | next_pc += sizeof(struct binary_op); |
1654 | PO; | |
1655 | } | |
04aa13f8 | 1656 | OP(BYTECODE_OP_NE_S64_DOUBLE): |
dbea82ec MD |
1657 | { |
1658 | int res; | |
1659 | ||
9b33aac4 | 1660 | res = (estack_bx_v != estack_ax(stack, top)->u.d); |
53569322 | 1661 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1662 | estack_ax_v = res; |
53569322 | 1663 | estack_ax_t = REG_S64; |
dbea82ec MD |
1664 | next_pc += sizeof(struct binary_op); |
1665 | PO; | |
1666 | } | |
04aa13f8 | 1667 | OP(BYTECODE_OP_GT_S64_DOUBLE): |
dbea82ec MD |
1668 | { |
1669 | int res; | |
1670 | ||
9b33aac4 | 1671 | res = (estack_bx_v > estack_ax(stack, top)->u.d); |
53569322 | 1672 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1673 | estack_ax_v = res; |
53569322 | 1674 | estack_ax_t = REG_S64; |
dbea82ec MD |
1675 | next_pc += sizeof(struct binary_op); |
1676 | PO; | |
1677 | } | |
04aa13f8 | 1678 | OP(BYTECODE_OP_LT_S64_DOUBLE): |
dbea82ec MD |
1679 | { |
1680 | int res; | |
1681 | ||
9b33aac4 | 1682 | res = (estack_bx_v < estack_ax(stack, top)->u.d); |
53569322 | 1683 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1684 | estack_ax_v = res; |
53569322 | 1685 | estack_ax_t = REG_S64; |
dbea82ec MD |
1686 | next_pc += sizeof(struct binary_op); |
1687 | PO; | |
1688 | } | |
04aa13f8 | 1689 | OP(BYTECODE_OP_GE_S64_DOUBLE): |
dbea82ec MD |
1690 | { |
1691 | int res; | |
1692 | ||
9b33aac4 | 1693 | res = (estack_bx_v >= estack_ax(stack, top)->u.d); |
53569322 | 1694 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1695 | estack_ax_v = res; |
53569322 | 1696 | estack_ax_t = REG_S64; |
dbea82ec MD |
1697 | next_pc += sizeof(struct binary_op); |
1698 | PO; | |
1699 | } | |
04aa13f8 | 1700 | OP(BYTECODE_OP_LE_S64_DOUBLE): |
dbea82ec MD |
1701 | { |
1702 | int res; | |
1703 | ||
9b33aac4 | 1704 | res = (estack_bx_v <= estack_ax(stack, top)->u.d); |
53569322 | 1705 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1706 | estack_ax_v = res; |
53569322 | 1707 | estack_ax_t = REG_S64; |
97b58163 MD |
1708 | next_pc += sizeof(struct binary_op); |
1709 | PO; | |
1710 | } | |
04aa13f8 | 1711 | OP(BYTECODE_OP_BIT_RSHIFT): |
0039e2d8 MD |
1712 | { |
1713 | int64_t res; | |
1714 | ||
d97f9b78 | 1715 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
0039e2d8 MD |
1716 | ret = -EINVAL; |
1717 | goto end; | |
1718 | } | |
d97f9b78 | 1719 | |
3703f1d2 MD |
1720 | /* Catch undefined behavior. */ |
1721 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1722 | ret = -EINVAL; | |
1723 | goto end; | |
1724 | } | |
4e8f9a89 | 1725 | res = ((uint64_t) estack_bx_v >> (uint32_t) estack_ax_v); |
0039e2d8 MD |
1726 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1727 | estack_ax_v = res; | |
d97f9b78 | 1728 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1729 | next_pc += sizeof(struct binary_op); |
1730 | PO; | |
1731 | } | |
04aa13f8 | 1732 | OP(BYTECODE_OP_BIT_LSHIFT): |
0039e2d8 MD |
1733 | { |
1734 | int64_t res; | |
1735 | ||
d97f9b78 | 1736 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
0039e2d8 MD |
1737 | ret = -EINVAL; |
1738 | goto end; | |
1739 | } | |
d97f9b78 | 1740 | |
3703f1d2 MD |
1741 | /* Catch undefined behavior. */ |
1742 | if (caa_unlikely(estack_ax_v < 0 || estack_ax_v >= 64)) { | |
1743 | ret = -EINVAL; | |
1744 | goto end; | |
1745 | } | |
4e8f9a89 | 1746 | res = ((uint64_t) estack_bx_v << (uint32_t) estack_ax_v); |
0039e2d8 MD |
1747 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1748 | estack_ax_v = res; | |
d97f9b78 | 1749 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1750 | next_pc += sizeof(struct binary_op); |
1751 | PO; | |
1752 | } | |
04aa13f8 | 1753 | OP(BYTECODE_OP_BIT_AND): |
47e5f13e MD |
1754 | { |
1755 | int64_t res; | |
1756 | ||
d97f9b78 | 1757 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1758 | ret = -EINVAL; |
1759 | goto end; | |
1760 | } | |
1761 | ||
4e8f9a89 | 1762 | res = ((uint64_t) estack_bx_v & (uint64_t) estack_ax_v); |
47e5f13e MD |
1763 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1764 | estack_ax_v = res; | |
d97f9b78 | 1765 | estack_ax_t = REG_U64; |
47e5f13e MD |
1766 | next_pc += sizeof(struct binary_op); |
1767 | PO; | |
1768 | } | |
04aa13f8 | 1769 | OP(BYTECODE_OP_BIT_OR): |
47e5f13e MD |
1770 | { |
1771 | int64_t res; | |
1772 | ||
d97f9b78 | 1773 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1774 | ret = -EINVAL; |
1775 | goto end; | |
1776 | } | |
1777 | ||
4e8f9a89 | 1778 | res = ((uint64_t) estack_bx_v | (uint64_t) estack_ax_v); |
47e5f13e MD |
1779 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1780 | estack_ax_v = res; | |
d97f9b78 | 1781 | estack_ax_t = REG_U64; |
47e5f13e MD |
1782 | next_pc += sizeof(struct binary_op); |
1783 | PO; | |
1784 | } | |
04aa13f8 | 1785 | OP(BYTECODE_OP_BIT_XOR): |
47e5f13e MD |
1786 | { |
1787 | int64_t res; | |
1788 | ||
d97f9b78 | 1789 | if (!IS_INTEGER_REGISTER(estack_ax_t) || !IS_INTEGER_REGISTER(estack_bx_t)) { |
47e5f13e MD |
1790 | ret = -EINVAL; |
1791 | goto end; | |
1792 | } | |
1793 | ||
4e8f9a89 | 1794 | res = ((uint64_t) estack_bx_v ^ (uint64_t) estack_ax_v); |
47e5f13e MD |
1795 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
1796 | estack_ax_v = res; | |
d97f9b78 | 1797 | estack_ax_t = REG_U64; |
47e5f13e MD |
1798 | next_pc += sizeof(struct binary_op); |
1799 | PO; | |
1800 | } | |
97b58163 MD |
1801 | |
1802 | /* unary */ | |
04aa13f8 | 1803 | OP(BYTECODE_OP_UNARY_PLUS): |
53569322 MD |
1804 | { |
1805 | /* Dynamic typing. */ | |
1806 | switch (estack_ax_t) { | |
1807 | case REG_S64: /* Fall-through. */ | |
d97f9b78 | 1808 | case REG_U64: |
04aa13f8 | 1809 | JUMP_TO(BYTECODE_OP_UNARY_PLUS_S64); |
53569322 | 1810 | case REG_DOUBLE: |
04aa13f8 | 1811 | JUMP_TO(BYTECODE_OP_UNARY_PLUS_DOUBLE); |
3151a51d PP |
1812 | case REG_STRING: /* Fall-through */ |
1813 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1814 | ret = -EINVAL; |
1815 | goto end; | |
1816 | default: | |
04aa13f8 | 1817 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1818 | (int) estack_ax_t); |
1819 | ret = -EINVAL; | |
1820 | goto end; | |
1821 | } | |
1822 | } | |
04aa13f8 | 1823 | OP(BYTECODE_OP_UNARY_MINUS): |
53569322 MD |
1824 | { |
1825 | /* Dynamic typing. */ | |
1826 | switch (estack_ax_t) { | |
d97f9b78 MD |
1827 | case REG_S64: /* Fall-through. */ |
1828 | case REG_U64: | |
04aa13f8 | 1829 | JUMP_TO(BYTECODE_OP_UNARY_MINUS_S64); |
53569322 | 1830 | case REG_DOUBLE: |
04aa13f8 | 1831 | JUMP_TO(BYTECODE_OP_UNARY_MINUS_DOUBLE); |
3151a51d PP |
1832 | case REG_STRING: /* Fall-through */ |
1833 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1834 | ret = -EINVAL; |
1835 | goto end; | |
1836 | default: | |
04aa13f8 | 1837 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1838 | (int) estack_ax_t); |
1839 | ret = -EINVAL; | |
1840 | goto end; | |
1841 | } | |
1842 | } | |
04aa13f8 | 1843 | OP(BYTECODE_OP_UNARY_NOT): |
53569322 MD |
1844 | { |
1845 | /* Dynamic typing. */ | |
1846 | switch (estack_ax_t) { | |
d97f9b78 MD |
1847 | case REG_S64: /* Fall-through. */ |
1848 | case REG_U64: | |
04aa13f8 | 1849 | JUMP_TO(BYTECODE_OP_UNARY_NOT_S64); |
53569322 | 1850 | case REG_DOUBLE: |
04aa13f8 | 1851 | JUMP_TO(BYTECODE_OP_UNARY_NOT_DOUBLE); |
3151a51d PP |
1852 | case REG_STRING: /* Fall-through */ |
1853 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
1854 | ret = -EINVAL; |
1855 | goto end; | |
1856 | default: | |
04aa13f8 | 1857 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
1858 | (int) estack_ax_t); |
1859 | ret = -EINVAL; | |
1860 | goto end; | |
1861 | } | |
1862 | next_pc += sizeof(struct unary_op); | |
1863 | PO; | |
1864 | } | |
97b58163 | 1865 | |
04aa13f8 | 1866 | OP(BYTECODE_OP_UNARY_BIT_NOT): |
0039e2d8 MD |
1867 | { |
1868 | /* Dynamic typing. */ | |
d97f9b78 | 1869 | if (!IS_INTEGER_REGISTER(estack_ax_t)) { |
0039e2d8 MD |
1870 | ret = -EINVAL; |
1871 | goto end; | |
1872 | } | |
1873 | ||
4e8f9a89 | 1874 | estack_ax_v = ~(uint64_t) estack_ax_v; |
d97f9b78 | 1875 | estack_ax_t = REG_U64; |
0039e2d8 MD |
1876 | next_pc += sizeof(struct unary_op); |
1877 | PO; | |
1878 | } | |
1879 | ||
04aa13f8 FD |
1880 | OP(BYTECODE_OP_UNARY_PLUS_S64): |
1881 | OP(BYTECODE_OP_UNARY_PLUS_DOUBLE): | |
97b58163 MD |
1882 | { |
1883 | next_pc += sizeof(struct unary_op); | |
1884 | PO; | |
1885 | } | |
04aa13f8 | 1886 | OP(BYTECODE_OP_UNARY_MINUS_S64): |
97b58163 | 1887 | { |
9b33aac4 | 1888 | estack_ax_v = -estack_ax_v; |
97b58163 MD |
1889 | next_pc += sizeof(struct unary_op); |
1890 | PO; | |
1891 | } | |
04aa13f8 | 1892 | OP(BYTECODE_OP_UNARY_MINUS_DOUBLE): |
97b58163 | 1893 | { |
9b33aac4 | 1894 | estack_ax(stack, top)->u.d = -estack_ax(stack, top)->u.d; |
97b58163 MD |
1895 | next_pc += sizeof(struct unary_op); |
1896 | PO; | |
1897 | } | |
04aa13f8 | 1898 | OP(BYTECODE_OP_UNARY_NOT_S64): |
97b58163 | 1899 | { |
9b33aac4 | 1900 | estack_ax_v = !estack_ax_v; |
d97f9b78 | 1901 | estack_ax_t = REG_S64; |
97b58163 MD |
1902 | next_pc += sizeof(struct unary_op); |
1903 | PO; | |
1904 | } | |
04aa13f8 | 1905 | OP(BYTECODE_OP_UNARY_NOT_DOUBLE): |
97b58163 | 1906 | { |
53569322 MD |
1907 | estack_ax_v = !estack_ax(stack, top)->u.d; |
1908 | estack_ax_t = REG_S64; | |
97b58163 MD |
1909 | next_pc += sizeof(struct unary_op); |
1910 | PO; | |
1911 | } | |
1912 | ||
1913 | /* logical */ | |
04aa13f8 | 1914 | OP(BYTECODE_OP_AND): |
97b58163 MD |
1915 | { |
1916 | struct logical_op *insn = (struct logical_op *) pc; | |
1917 | ||
d97f9b78 | 1918 | if (estack_ax_t != REG_S64 && estack_ax_t != REG_U64) { |
53569322 MD |
1919 | ret = -EINVAL; |
1920 | goto end; | |
1921 | } | |
0305960f | 1922 | /* If AX is 0, skip and evaluate to 0 */ |
9b33aac4 | 1923 | if (unlikely(estack_ax_v == 0)) { |
97b58163 MD |
1924 | dbg_printf("Jumping to bytecode offset %u\n", |
1925 | (unsigned int) insn->skip_offset); | |
1926 | next_pc = start_pc + insn->skip_offset; | |
1927 | } else { | |
71c1ceeb | 1928 | /* Pop 1 when jump not taken */ |
53569322 | 1929 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1930 | next_pc += sizeof(struct logical_op); |
1931 | } | |
1932 | PO; | |
1933 | } | |
04aa13f8 | 1934 | OP(BYTECODE_OP_OR): |
97b58163 MD |
1935 | { |
1936 | struct logical_op *insn = (struct logical_op *) pc; | |
1937 | ||
d97f9b78 | 1938 | if (estack_ax_t != REG_S64 && estack_ax_t != REG_U64) { |
53569322 MD |
1939 | ret = -EINVAL; |
1940 | goto end; | |
1941 | } | |
0305960f | 1942 | /* If AX is nonzero, skip and evaluate to 1 */ |
9b33aac4 MD |
1943 | if (unlikely(estack_ax_v != 0)) { |
1944 | estack_ax_v = 1; | |
97b58163 MD |
1945 | dbg_printf("Jumping to bytecode offset %u\n", |
1946 | (unsigned int) insn->skip_offset); | |
1947 | next_pc = start_pc + insn->skip_offset; | |
1948 | } else { | |
71c1ceeb | 1949 | /* Pop 1 when jump not taken */ |
53569322 | 1950 | estack_pop(stack, top, ax, bx, ax_t, bx_t); |
97b58163 MD |
1951 | next_pc += sizeof(struct logical_op); |
1952 | } | |
1953 | PO; | |
1954 | } | |
1955 | ||
1956 | ||
77aa5901 | 1957 | /* load field ref */ |
04aa13f8 | 1958 | OP(BYTECODE_OP_LOAD_FIELD_REF_STRING): |
97b58163 MD |
1959 | { |
1960 | struct load_op *insn = (struct load_op *) pc; | |
1961 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1962 | ||
1963 | dbg_printf("load field ref offset %u type string\n", | |
1964 | ref->offset); | |
53569322 | 1965 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1966 | estack_ax(stack, top)->u.s.str = |
f3503ba9 | 1967 | *(const char * const *) &interpreter_stack_data[ref->offset]; |
9b33aac4 | 1968 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
04aa13f8 | 1969 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
97b58163 MD |
1970 | ret = -EINVAL; |
1971 | goto end; | |
1972 | } | |
a63d0dc8 | 1973 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
1974 | estack_ax(stack, top)->u.s.literal_type = |
1975 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 1976 | estack_ax_t = REG_STRING; |
9b33aac4 | 1977 | dbg_printf("ref load string %s\n", estack_ax(stack, top)->u.s.str); |
97b58163 MD |
1978 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1979 | PO; | |
1980 | } | |
1981 | ||
04aa13f8 | 1982 | OP(BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE): |
97b58163 MD |
1983 | { |
1984 | struct load_op *insn = (struct load_op *) pc; | |
1985 | struct field_ref *ref = (struct field_ref *) insn->data; | |
1986 | ||
1987 | dbg_printf("load field ref offset %u type sequence\n", | |
1988 | ref->offset); | |
53569322 | 1989 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 1990 | estack_ax(stack, top)->u.s.seq_len = |
f3503ba9 | 1991 | *(unsigned long *) &interpreter_stack_data[ref->offset]; |
9b33aac4 | 1992 | estack_ax(stack, top)->u.s.str = |
f3503ba9 | 1993 | *(const char **) (&interpreter_stack_data[ref->offset |
97b58163 | 1994 | + sizeof(unsigned long)]); |
53569322 | 1995 | estack_ax_t = REG_STRING; |
9b33aac4 | 1996 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
04aa13f8 | 1997 | dbg_printf("Interpreter warning: loading a NULL sequence.\n"); |
97b58163 MD |
1998 | ret = -EINVAL; |
1999 | goto end; | |
2000 | } | |
3151a51d PP |
2001 | estack_ax(stack, top)->u.s.literal_type = |
2002 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
97b58163 MD |
2003 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2004 | PO; | |
2005 | } | |
2006 | ||
04aa13f8 | 2007 | OP(BYTECODE_OP_LOAD_FIELD_REF_S64): |
97b58163 MD |
2008 | { |
2009 | struct load_op *insn = (struct load_op *) pc; | |
2010 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2011 | ||
2012 | dbg_printf("load field ref offset %u type s64\n", | |
2013 | ref->offset); | |
53569322 | 2014 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2015 | estack_ax_v = |
f3503ba9 | 2016 | ((struct literal_numeric *) &interpreter_stack_data[ref->offset])->v; |
53569322 | 2017 | estack_ax_t = REG_S64; |
9b33aac4 | 2018 | dbg_printf("ref load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
2019 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2020 | PO; | |
2021 | } | |
2022 | ||
04aa13f8 | 2023 | OP(BYTECODE_OP_LOAD_FIELD_REF_DOUBLE): |
97b58163 MD |
2024 | { |
2025 | struct load_op *insn = (struct load_op *) pc; | |
2026 | struct field_ref *ref = (struct field_ref *) insn->data; | |
2027 | ||
2028 | dbg_printf("load field ref offset %u type double\n", | |
2029 | ref->offset); | |
53569322 | 2030 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
f3503ba9 | 2031 | memcpy(&estack_ax(stack, top)->u.d, &interpreter_stack_data[ref->offset], |
97b58163 | 2032 | sizeof(struct literal_double)); |
53569322 | 2033 | estack_ax_t = REG_DOUBLE; |
9b33aac4 | 2034 | dbg_printf("ref load double %g\n", estack_ax(stack, top)->u.d); |
97b58163 MD |
2035 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
2036 | PO; | |
2037 | } | |
2038 | ||
77aa5901 | 2039 | /* load from immediate operand */ |
04aa13f8 | 2040 | OP(BYTECODE_OP_LOAD_STRING): |
97b58163 MD |
2041 | { |
2042 | struct load_op *insn = (struct load_op *) pc; | |
2043 | ||
2044 | dbg_printf("load string %s\n", insn->data); | |
53569322 | 2045 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2046 | estack_ax(stack, top)->u.s.str = insn->data; |
a63d0dc8 | 2047 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2048 | estack_ax(stack, top)->u.s.literal_type = |
2049 | ESTACK_STRING_LITERAL_TYPE_PLAIN; | |
53569322 | 2050 | estack_ax_t = REG_STRING; |
97b58163 MD |
2051 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
2052 | PO; | |
2053 | } | |
2054 | ||
04aa13f8 | 2055 | OP(BYTECODE_OP_LOAD_STAR_GLOB_STRING): |
3151a51d PP |
2056 | { |
2057 | struct load_op *insn = (struct load_op *) pc; | |
2058 | ||
2059 | dbg_printf("load globbing pattern %s\n", insn->data); | |
2060 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2061 | estack_ax(stack, top)->u.s.str = insn->data; | |
a63d0dc8 | 2062 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2063 | estack_ax(stack, top)->u.s.literal_type = |
2064 | ESTACK_STRING_LITERAL_TYPE_STAR_GLOB; | |
2065 | estack_ax_t = REG_STAR_GLOB_STRING; | |
2066 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
2067 | PO; | |
2068 | } | |
2069 | ||
04aa13f8 | 2070 | OP(BYTECODE_OP_LOAD_S64): |
97b58163 MD |
2071 | { |
2072 | struct load_op *insn = (struct load_op *) pc; | |
2073 | ||
53569322 | 2074 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2075 | estack_ax_v = ((struct literal_numeric *) insn->data)->v; |
53569322 | 2076 | estack_ax_t = REG_S64; |
9b33aac4 | 2077 | dbg_printf("load s64 %" PRIi64 "\n", estack_ax_v); |
97b58163 MD |
2078 | next_pc += sizeof(struct load_op) |
2079 | + sizeof(struct literal_numeric); | |
2080 | PO; | |
2081 | } | |
2082 | ||
04aa13f8 | 2083 | OP(BYTECODE_OP_LOAD_DOUBLE): |
97b58163 MD |
2084 | { |
2085 | struct load_op *insn = (struct load_op *) pc; | |
2086 | ||
53569322 | 2087 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
9b33aac4 | 2088 | memcpy(&estack_ax(stack, top)->u.d, insn->data, |
97b58163 | 2089 | sizeof(struct literal_double)); |
53569322 MD |
2090 | estack_ax_t = REG_DOUBLE; |
2091 | dbg_printf("load double %g\n", estack_ax(stack, top)->u.d); | |
97b58163 MD |
2092 | next_pc += sizeof(struct load_op) |
2093 | + sizeof(struct literal_double); | |
2094 | PO; | |
2095 | } | |
2096 | ||
2097 | /* cast */ | |
04aa13f8 | 2098 | OP(BYTECODE_OP_CAST_TO_S64): |
53569322 MD |
2099 | { |
2100 | /* Dynamic typing. */ | |
2101 | switch (estack_ax_t) { | |
2102 | case REG_S64: | |
04aa13f8 | 2103 | JUMP_TO(BYTECODE_OP_CAST_NOP); |
53569322 | 2104 | case REG_DOUBLE: |
04aa13f8 | 2105 | JUMP_TO(BYTECODE_OP_CAST_DOUBLE_TO_S64); |
d97f9b78 MD |
2106 | case REG_U64: |
2107 | estack_ax_t = REG_S64; | |
60864af0 | 2108 | next_pc += sizeof(struct cast_op); /* Fall-through */ |
3151a51d PP |
2109 | case REG_STRING: /* Fall-through */ |
2110 | case REG_STAR_GLOB_STRING: | |
53569322 MD |
2111 | ret = -EINVAL; |
2112 | goto end; | |
2113 | default: | |
04aa13f8 | 2114 | ERR("Unknown interpreter register type (%d)", |
53569322 MD |
2115 | (int) estack_ax_t); |
2116 | ret = -EINVAL; | |
2117 | goto end; | |
2118 | } | |
2119 | } | |
97b58163 | 2120 | |
04aa13f8 | 2121 | OP(BYTECODE_OP_CAST_DOUBLE_TO_S64): |
97b58163 | 2122 | { |
9b33aac4 | 2123 | estack_ax_v = (int64_t) estack_ax(stack, top)->u.d; |
53569322 | 2124 | estack_ax_t = REG_S64; |
97b58163 MD |
2125 | next_pc += sizeof(struct cast_op); |
2126 | PO; | |
2127 | } | |
2128 | ||
04aa13f8 | 2129 | OP(BYTECODE_OP_CAST_NOP): |
97b58163 MD |
2130 | { |
2131 | next_pc += sizeof(struct cast_op); | |
2132 | PO; | |
2133 | } | |
2134 | ||
77aa5901 | 2135 | /* get context ref */ |
04aa13f8 | 2136 | OP(BYTECODE_OP_GET_CONTEXT_REF): |
53569322 MD |
2137 | { |
2138 | struct load_op *insn = (struct load_op *) pc; | |
2139 | struct field_ref *ref = (struct field_ref *) insn->data; | |
4e48b5d2 | 2140 | const struct lttng_ust_ctx_field *ctx_field; |
daacdbfc | 2141 | struct lttng_ust_ctx_value v; |
53569322 MD |
2142 | |
2143 | dbg_printf("get context ref offset %u type dynamic\n", | |
2144 | ref->offset); | |
4e48b5d2 | 2145 | ctx_field = &ctx->fields[ref->offset]; |
b2e37d27 | 2146 | ctx_field->get_value(ctx_field->priv, probe_ctx, &v); |
53569322 MD |
2147 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2148 | switch (v.sel) { | |
2149 | case LTTNG_UST_DYNAMIC_TYPE_NONE: | |
2150 | ret = -EINVAL; | |
2151 | goto end; | |
2152 | case LTTNG_UST_DYNAMIC_TYPE_S64: | |
2153 | estack_ax_v = v.u.s64; | |
2154 | estack_ax_t = REG_S64; | |
2155 | dbg_printf("ref get context dynamic s64 %" PRIi64 "\n", estack_ax_v); | |
2156 | break; | |
2157 | case LTTNG_UST_DYNAMIC_TYPE_DOUBLE: | |
2158 | estack_ax(stack, top)->u.d = v.u.d; | |
2159 | estack_ax_t = REG_DOUBLE; | |
2160 | dbg_printf("ref get context dynamic double %g\n", estack_ax(stack, top)->u.d); | |
2161 | break; | |
2162 | case LTTNG_UST_DYNAMIC_TYPE_STRING: | |
2163 | estack_ax(stack, top)->u.s.str = v.u.str; | |
2164 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
04aa13f8 | 2165 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
53569322 MD |
2166 | ret = -EINVAL; |
2167 | goto end; | |
2168 | } | |
a63d0dc8 | 2169 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2170 | estack_ax(stack, top)->u.s.literal_type = |
2171 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 MD |
2172 | dbg_printf("ref get context dynamic string %s\n", estack_ax(stack, top)->u.s.str); |
2173 | estack_ax_t = REG_STRING; | |
2174 | break; | |
2175 | default: | |
04aa13f8 | 2176 | dbg_printf("Interpreter warning: unknown dynamic type (%d).\n", (int) v.sel); |
53569322 MD |
2177 | ret = -EINVAL; |
2178 | goto end; | |
2179 | } | |
2180 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2181 | PO; | |
2182 | } | |
2183 | ||
04aa13f8 | 2184 | OP(BYTECODE_OP_GET_CONTEXT_REF_STRING): |
77aa5901 MD |
2185 | { |
2186 | struct load_op *insn = (struct load_op *) pc; | |
2187 | struct field_ref *ref = (struct field_ref *) insn->data; | |
4e48b5d2 | 2188 | const struct lttng_ust_ctx_field *ctx_field; |
daacdbfc | 2189 | struct lttng_ust_ctx_value v; |
77aa5901 MD |
2190 | |
2191 | dbg_printf("get context ref offset %u type string\n", | |
2192 | ref->offset); | |
4e48b5d2 | 2193 | ctx_field = &ctx->fields[ref->offset]; |
b2e37d27 | 2194 | ctx_field->get_value(ctx_field->priv, probe_ctx, &v); |
53569322 MD |
2195 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2196 | estack_ax(stack, top)->u.s.str = v.u.str; | |
77aa5901 | 2197 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { |
04aa13f8 | 2198 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
77aa5901 MD |
2199 | ret = -EINVAL; |
2200 | goto end; | |
2201 | } | |
a63d0dc8 | 2202 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; |
3151a51d PP |
2203 | estack_ax(stack, top)->u.s.literal_type = |
2204 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
53569322 | 2205 | estack_ax_t = REG_STRING; |
77aa5901 MD |
2206 | dbg_printf("ref get context string %s\n", estack_ax(stack, top)->u.s.str); |
2207 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2208 | PO; | |
2209 | } | |
2210 | ||
04aa13f8 | 2211 | OP(BYTECODE_OP_GET_CONTEXT_REF_S64): |
77aa5901 MD |
2212 | { |
2213 | struct load_op *insn = (struct load_op *) pc; | |
2214 | struct field_ref *ref = (struct field_ref *) insn->data; | |
4e48b5d2 | 2215 | const struct lttng_ust_ctx_field *ctx_field; |
daacdbfc | 2216 | struct lttng_ust_ctx_value v; |
77aa5901 MD |
2217 | |
2218 | dbg_printf("get context ref offset %u type s64\n", | |
2219 | ref->offset); | |
4e48b5d2 | 2220 | ctx_field = &ctx->fields[ref->offset]; |
b2e37d27 | 2221 | ctx_field->get_value(ctx_field->priv, probe_ctx, &v); |
53569322 MD |
2222 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2223 | estack_ax_v = v.u.s64; | |
2224 | estack_ax_t = REG_S64; | |
77aa5901 MD |
2225 | dbg_printf("ref get context s64 %" PRIi64 "\n", estack_ax_v); |
2226 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2227 | PO; | |
2228 | } | |
2229 | ||
04aa13f8 | 2230 | OP(BYTECODE_OP_GET_CONTEXT_REF_DOUBLE): |
77aa5901 MD |
2231 | { |
2232 | struct load_op *insn = (struct load_op *) pc; | |
2233 | struct field_ref *ref = (struct field_ref *) insn->data; | |
4e48b5d2 | 2234 | const struct lttng_ust_ctx_field *ctx_field; |
daacdbfc | 2235 | struct lttng_ust_ctx_value v; |
77aa5901 MD |
2236 | |
2237 | dbg_printf("get context ref offset %u type double\n", | |
2238 | ref->offset); | |
4e48b5d2 | 2239 | ctx_field = &ctx->fields[ref->offset]; |
b2e37d27 | 2240 | ctx_field->get_value(ctx_field->priv, probe_ctx, &v); |
53569322 MD |
2241 | estack_push(stack, top, ax, bx, ax_t, bx_t); |
2242 | memcpy(&estack_ax(stack, top)->u.d, &v.u.d, sizeof(struct literal_double)); | |
2243 | estack_ax_t = REG_DOUBLE; | |
77aa5901 MD |
2244 | dbg_printf("ref get context double %g\n", estack_ax(stack, top)->u.d); |
2245 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
2246 | PO; | |
2247 | } | |
2248 | ||
04aa13f8 | 2249 | OP(BYTECODE_OP_GET_CONTEXT_ROOT): |
47e5f13e MD |
2250 | { |
2251 | dbg_printf("op get context root\n"); | |
2252 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2253 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_CONTEXT; | |
2254 | /* "field" only needed for variants. */ | |
2255 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2256 | estack_ax_t = REG_PTR; | |
2257 | next_pc += sizeof(struct load_op); | |
2258 | PO; | |
2259 | } | |
2260 | ||
04aa13f8 | 2261 | OP(BYTECODE_OP_GET_APP_CONTEXT_ROOT): |
47e5f13e MD |
2262 | { |
2263 | dbg_printf("op get app context root\n"); | |
2264 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2265 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_APP_CONTEXT; | |
2266 | /* "field" only needed for variants. */ | |
2267 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2268 | estack_ax_t = REG_PTR; | |
2269 | next_pc += sizeof(struct load_op); | |
2270 | PO; | |
2271 | } | |
2272 | ||
04aa13f8 | 2273 | OP(BYTECODE_OP_GET_PAYLOAD_ROOT): |
47e5f13e MD |
2274 | { |
2275 | dbg_printf("op get app payload root\n"); | |
2276 | estack_push(stack, top, ax, bx, ax_t, bx_t); | |
2277 | estack_ax(stack, top)->u.ptr.type = LOAD_ROOT_PAYLOAD; | |
f3503ba9 | 2278 | estack_ax(stack, top)->u.ptr.ptr = interpreter_stack_data; |
47e5f13e MD |
2279 | /* "field" only needed for variants. */ |
2280 | estack_ax(stack, top)->u.ptr.field = NULL; | |
2281 | estack_ax_t = REG_PTR; | |
2282 | next_pc += sizeof(struct load_op); | |
2283 | PO; | |
2284 | } | |
2285 | ||
04aa13f8 | 2286 | OP(BYTECODE_OP_GET_SYMBOL): |
47e5f13e MD |
2287 | { |
2288 | dbg_printf("op get symbol\n"); | |
2289 | switch (estack_ax(stack, top)->u.ptr.type) { | |
2290 | case LOAD_OBJECT: | |
2291 | ERR("Nested fields not implemented yet."); | |
2292 | ret = -EINVAL; | |
2293 | goto end; | |
2294 | case LOAD_ROOT_CONTEXT: | |
2295 | case LOAD_ROOT_APP_CONTEXT: | |
2296 | case LOAD_ROOT_PAYLOAD: | |
2297 | /* | |
2298 | * symbol lookup is performed by | |
2299 | * specialization. | |
2300 | */ | |
2301 | ret = -EINVAL; | |
2302 | goto end; | |
2303 | } | |
2304 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
2305 | PO; | |
2306 | } | |
2307 | ||
04aa13f8 | 2308 | OP(BYTECODE_OP_GET_SYMBOL_FIELD): |
47e5f13e MD |
2309 | { |
2310 | /* | |
2311 | * Used for first variant encountered in a | |
2312 | * traversal. Variants are not implemented yet. | |
2313 | */ | |
2314 | ret = -EINVAL; | |
2315 | goto end; | |
2316 | } | |
2317 | ||
04aa13f8 | 2318 | OP(BYTECODE_OP_GET_INDEX_U16): |
47e5f13e MD |
2319 | { |
2320 | struct load_op *insn = (struct load_op *) pc; | |
2321 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
2322 | ||
2323 | dbg_printf("op get index u16\n"); | |
b2e37d27 | 2324 | ret = dynamic_get_index(ctx, probe_ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2325 | if (ret) |
2326 | goto end; | |
2327 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2328 | estack_ax_t = estack_ax(stack, top)->type; | |
2329 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
2330 | PO; | |
2331 | } | |
2332 | ||
04aa13f8 | 2333 | OP(BYTECODE_OP_GET_INDEX_U64): |
47e5f13e MD |
2334 | { |
2335 | struct load_op *insn = (struct load_op *) pc; | |
2336 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
2337 | ||
2338 | dbg_printf("op get index u64\n"); | |
b2e37d27 | 2339 | ret = dynamic_get_index(ctx, probe_ctx, bytecode, index->index, estack_ax(stack, top)); |
47e5f13e MD |
2340 | if (ret) |
2341 | goto end; | |
2342 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2343 | estack_ax_t = estack_ax(stack, top)->type; | |
2344 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
2345 | PO; | |
2346 | } | |
2347 | ||
04aa13f8 | 2348 | OP(BYTECODE_OP_LOAD_FIELD): |
47e5f13e MD |
2349 | { |
2350 | dbg_printf("op load field\n"); | |
2351 | ret = dynamic_load_field(estack_ax(stack, top)); | |
2352 | if (ret) | |
2353 | goto end; | |
2354 | estack_ax_v = estack_ax(stack, top)->u.v; | |
2355 | estack_ax_t = estack_ax(stack, top)->type; | |
2356 | next_pc += sizeof(struct load_op); | |
2357 | PO; | |
2358 | } | |
2359 | ||
04aa13f8 | 2360 | OP(BYTECODE_OP_LOAD_FIELD_S8): |
47e5f13e MD |
2361 | { |
2362 | dbg_printf("op load field s8\n"); | |
2363 | ||
2364 | estack_ax_v = *(int8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2365 | estack_ax_t = REG_S64; | |
2366 | next_pc += sizeof(struct load_op); | |
2367 | PO; | |
2368 | } | |
04aa13f8 | 2369 | OP(BYTECODE_OP_LOAD_FIELD_S16): |
47e5f13e MD |
2370 | { |
2371 | dbg_printf("op load field s16\n"); | |
2372 | ||
2373 | estack_ax_v = *(int16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2374 | estack_ax_t = REG_S64; | |
2375 | next_pc += sizeof(struct load_op); | |
2376 | PO; | |
2377 | } | |
04aa13f8 | 2378 | OP(BYTECODE_OP_LOAD_FIELD_S32): |
47e5f13e MD |
2379 | { |
2380 | dbg_printf("op load field s32\n"); | |
2381 | ||
2382 | estack_ax_v = *(int32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2383 | estack_ax_t = REG_S64; | |
2384 | next_pc += sizeof(struct load_op); | |
2385 | PO; | |
2386 | } | |
04aa13f8 | 2387 | OP(BYTECODE_OP_LOAD_FIELD_S64): |
47e5f13e MD |
2388 | { |
2389 | dbg_printf("op load field s64\n"); | |
2390 | ||
2391 | estack_ax_v = *(int64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
2392 | estack_ax_t = REG_S64; | |
2393 | next_pc += sizeof(struct load_op); | |
2394 | PO; | |
2395 | } | |
04aa13f8 | 2396 | OP(BYTECODE_OP_LOAD_FIELD_U8): |
47e5f13e MD |
2397 | { |
2398 | dbg_printf("op load field u8\n"); | |
2399 | ||
2400 | estack_ax_v = *(uint8_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2401 | estack_ax_t = REG_U64; |
47e5f13e MD |
2402 | next_pc += sizeof(struct load_op); |
2403 | PO; | |
2404 | } | |
04aa13f8 | 2405 | OP(BYTECODE_OP_LOAD_FIELD_U16): |
47e5f13e MD |
2406 | { |
2407 | dbg_printf("op load field u16\n"); | |
2408 | ||
2409 | estack_ax_v = *(uint16_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2410 | estack_ax_t = REG_U64; |
47e5f13e MD |
2411 | next_pc += sizeof(struct load_op); |
2412 | PO; | |
2413 | } | |
04aa13f8 | 2414 | OP(BYTECODE_OP_LOAD_FIELD_U32): |
47e5f13e MD |
2415 | { |
2416 | dbg_printf("op load field u32\n"); | |
2417 | ||
2418 | estack_ax_v = *(uint32_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2419 | estack_ax_t = REG_U64; |
47e5f13e MD |
2420 | next_pc += sizeof(struct load_op); |
2421 | PO; | |
2422 | } | |
04aa13f8 | 2423 | OP(BYTECODE_OP_LOAD_FIELD_U64): |
47e5f13e MD |
2424 | { |
2425 | dbg_printf("op load field u64\n"); | |
2426 | ||
2427 | estack_ax_v = *(uint64_t *) estack_ax(stack, top)->u.ptr.ptr; | |
d97f9b78 | 2428 | estack_ax_t = REG_U64; |
47e5f13e MD |
2429 | next_pc += sizeof(struct load_op); |
2430 | PO; | |
2431 | } | |
04aa13f8 | 2432 | OP(BYTECODE_OP_LOAD_FIELD_DOUBLE): |
47e5f13e MD |
2433 | { |
2434 | dbg_printf("op load field double\n"); | |
2435 | ||
2436 | memcpy(&estack_ax(stack, top)->u.d, | |
2437 | estack_ax(stack, top)->u.ptr.ptr, | |
2438 | sizeof(struct literal_double)); | |
2439 | estack_ax(stack, top)->type = REG_DOUBLE; | |
2440 | next_pc += sizeof(struct load_op); | |
2441 | PO; | |
2442 | } | |
2443 | ||
04aa13f8 | 2444 | OP(BYTECODE_OP_LOAD_FIELD_STRING): |
47e5f13e MD |
2445 | { |
2446 | const char *str; | |
2447 | ||
2448 | dbg_printf("op load field string\n"); | |
2449 | str = (const char *) estack_ax(stack, top)->u.ptr.ptr; | |
2450 | estack_ax(stack, top)->u.s.str = str; | |
2451 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
04aa13f8 | 2452 | dbg_printf("Interpreter warning: loading a NULL string.\n"); |
47e5f13e MD |
2453 | ret = -EINVAL; |
2454 | goto end; | |
2455 | } | |
2456 | estack_ax(stack, top)->u.s.seq_len = SIZE_MAX; | |
2457 | estack_ax(stack, top)->u.s.literal_type = | |
2458 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2459 | estack_ax(stack, top)->type = REG_STRING; | |
2460 | next_pc += sizeof(struct load_op); | |
2461 | PO; | |
2462 | } | |
2463 | ||
04aa13f8 | 2464 | OP(BYTECODE_OP_LOAD_FIELD_SEQUENCE): |
47e5f13e MD |
2465 | { |
2466 | const char *ptr; | |
2467 | ||
2468 | dbg_printf("op load field string sequence\n"); | |
2469 | ptr = estack_ax(stack, top)->u.ptr.ptr; | |
2470 | estack_ax(stack, top)->u.s.seq_len = *(unsigned long *) ptr; | |
2471 | estack_ax(stack, top)->u.s.str = *(const char **) (ptr + sizeof(unsigned long)); | |
2472 | estack_ax(stack, top)->type = REG_STRING; | |
2473 | if (unlikely(!estack_ax(stack, top)->u.s.str)) { | |
04aa13f8 | 2474 | dbg_printf("Interpreter warning: loading a NULL sequence.\n"); |
47e5f13e MD |
2475 | ret = -EINVAL; |
2476 | goto end; | |
2477 | } | |
2478 | estack_ax(stack, top)->u.s.literal_type = | |
2479 | ESTACK_STRING_LITERAL_TYPE_NONE; | |
2480 | next_pc += sizeof(struct load_op); | |
2481 | PO; | |
2482 | } | |
2483 | ||
97b58163 MD |
2484 | END_OP |
2485 | end: | |
22c30e27 | 2486 | /* No need to prepare output if an error occurred. */ |
97b58163 | 2487 | if (ret) |
22c30e27 | 2488 | return LTTNG_UST_BYTECODE_INTERPRETER_ERROR; |
f3503ba9 | 2489 | |
22c30e27 | 2490 | /* Prepare output. */ |
a2e4d05e | 2491 | switch (ust_bytecode->type) { |
22c30e27 MD |
2492 | case LTTNG_UST_BYTECODE_TYPE_FILTER: |
2493 | { | |
2494 | struct lttng_ust_bytecode_filter_ctx *filter_ctx = | |
2495 | (struct lttng_ust_bytecode_filter_ctx *) caller_ctx; | |
2496 | if (retval) | |
2497 | filter_ctx->result = LTTNG_UST_BYTECODE_FILTER_ACCEPT; | |
2498 | else | |
2499 | filter_ctx->result = LTTNG_UST_BYTECODE_FILTER_REJECT; | |
2500 | break; | |
f3503ba9 | 2501 | } |
22c30e27 MD |
2502 | case LTTNG_UST_BYTECODE_TYPE_CAPTURE: |
2503 | ret = lttng_bytecode_interpret_format_output(estack_ax(stack, top), | |
2504 | (struct lttng_interpreter_output *) caller_ctx); | |
2505 | break; | |
2506 | default: | |
2507 | ret = -EINVAL; | |
2508 | break; | |
2509 | } | |
2510 | if (ret) | |
2511 | return LTTNG_UST_BYTECODE_INTERPRETER_ERROR; | |
2512 | else | |
2513 | return LTTNG_UST_BYTECODE_INTERPRETER_OK; | |
d37ecb3f FD |
2514 | } |
2515 | ||
a2e4d05e MD |
2516 | /* |
2517 | * Return LTTNG_UST_EVENT_FILTER_ACCEPT or LTTNG_UST_EVENT_FILTER_REJECT. | |
2518 | */ | |
9c098f23 | 2519 | int lttng_ust_interpret_event_filter(const struct lttng_ust_event_common *event, |
a2e4d05e | 2520 | const char *interpreter_stack_data, |
b2e37d27 | 2521 | struct lttng_ust_probe_ctx *probe_ctx, |
2208d8b5 | 2522 | void *event_filter_ctx __attribute__((unused))) |
a2e4d05e MD |
2523 | { |
2524 | struct lttng_ust_bytecode_runtime *filter_bc_runtime; | |
2525 | struct cds_list_head *filter_bytecode_runtime_head = &event->priv->filter_bytecode_runtime_head; | |
2526 | struct lttng_ust_bytecode_filter_ctx bytecode_filter_ctx; | |
2527 | bool filter_record = false; | |
2528 | ||
2529 | cds_list_for_each_entry_rcu(filter_bc_runtime, filter_bytecode_runtime_head, node) { | |
2530 | if (caa_likely(filter_bc_runtime->interpreter_func(filter_bc_runtime, | |
b2e37d27 | 2531 | interpreter_stack_data, probe_ctx, &bytecode_filter_ctx) == LTTNG_UST_BYTECODE_INTERPRETER_OK)) { |
a2e4d05e MD |
2532 | if (caa_unlikely(bytecode_filter_ctx.result == LTTNG_UST_BYTECODE_FILTER_ACCEPT)) { |
2533 | filter_record = true; | |
2534 | break; | |
2535 | } | |
2536 | } | |
2537 | } | |
2538 | if (filter_record) | |
2539 | return LTTNG_UST_EVENT_FILTER_ACCEPT; | |
2540 | else | |
2541 | return LTTNG_UST_EVENT_FILTER_REJECT; | |
2542 | } | |
2543 | ||
97b58163 MD |
2544 | #undef START_OP |
2545 | #undef OP | |
2546 | #undef PO | |
2547 | #undef END_OP |