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 specializer. |
97b58163 MD |
7 | */ |
8 | ||
3fbec7dc | 9 | #define _LGPL_SOURCE |
b4051ad8 | 10 | #include <stddef.h> |
fb31eb73 | 11 | #include <stdint.h> |
b4051ad8 | 12 | |
04aa13f8 | 13 | #include "lttng-bytecode.h" |
47e5f13e | 14 | #include <lttng/align.h> |
92495593 | 15 | #include "ust-events-internal.h" |
97b58163 | 16 | |
47e5f13e MD |
17 | static int lttng_fls(int val) |
18 | { | |
19 | int r = 32; | |
20 | unsigned int x = (unsigned int) val; | |
21 | ||
22 | if (!x) | |
23 | return 0; | |
24 | if (!(x & 0xFFFF0000U)) { | |
25 | x <<= 16; | |
26 | r -= 16; | |
27 | } | |
28 | if (!(x & 0xFF000000U)) { | |
29 | x <<= 8; | |
30 | r -= 8; | |
31 | } | |
32 | if (!(x & 0xF0000000U)) { | |
33 | x <<= 4; | |
34 | r -= 4; | |
35 | } | |
36 | if (!(x & 0xC0000000U)) { | |
37 | x <<= 2; | |
38 | r -= 2; | |
39 | } | |
40 | if (!(x & 0x80000000U)) { | |
41 | r -= 1; | |
42 | } | |
43 | return r; | |
44 | } | |
45 | ||
46 | static int get_count_order(unsigned int count) | |
47 | { | |
48 | int order; | |
49 | ||
50 | order = lttng_fls(count) - 1; | |
51 | if (count & (count - 1)) | |
52 | order++; | |
53 | return order; | |
54 | } | |
55 | ||
56 | static ssize_t bytecode_reserve_data(struct bytecode_runtime *runtime, | |
57 | size_t align, size_t len) | |
58 | { | |
59 | ssize_t ret; | |
b72687b8 | 60 | size_t padding = lttng_ust_offset_align(runtime->data_len, align); |
47e5f13e MD |
61 | size_t new_len = runtime->data_len + padding + len; |
62 | size_t new_alloc_len = new_len; | |
63 | size_t old_alloc_len = runtime->data_alloc_len; | |
64 | ||
04aa13f8 | 65 | if (new_len > BYTECODE_MAX_DATA_LEN) |
47e5f13e MD |
66 | return -EINVAL; |
67 | ||
68 | if (new_alloc_len > old_alloc_len) { | |
69 | char *newptr; | |
70 | ||
71 | new_alloc_len = | |
72 | max_t(size_t, 1U << get_count_order(new_alloc_len), old_alloc_len << 1); | |
73 | newptr = realloc(runtime->data, new_alloc_len); | |
74 | if (!newptr) | |
75 | return -ENOMEM; | |
76 | runtime->data = newptr; | |
77 | /* We zero directly the memory from start of allocation. */ | |
78 | memset(&runtime->data[old_alloc_len], 0, new_alloc_len - old_alloc_len); | |
79 | runtime->data_alloc_len = new_alloc_len; | |
80 | } | |
81 | runtime->data_len += padding; | |
82 | ret = runtime->data_len; | |
83 | runtime->data_len += len; | |
84 | return ret; | |
85 | } | |
86 | ||
87 | static ssize_t bytecode_push_data(struct bytecode_runtime *runtime, | |
88 | const void *p, size_t align, size_t len) | |
89 | { | |
90 | ssize_t offset; | |
91 | ||
92 | offset = bytecode_reserve_data(runtime, align, len); | |
93 | if (offset < 0) | |
94 | return -ENOMEM; | |
95 | memcpy(&runtime->data[offset], p, len); | |
96 | return offset; | |
97 | } | |
98 | ||
99 | static int specialize_load_field(struct vstack_entry *stack_top, | |
100 | struct load_op *insn) | |
101 | { | |
102 | int ret; | |
103 | ||
104 | switch (stack_top->load.type) { | |
105 | case LOAD_OBJECT: | |
106 | break; | |
107 | case LOAD_ROOT_CONTEXT: | |
108 | case LOAD_ROOT_APP_CONTEXT: | |
109 | case LOAD_ROOT_PAYLOAD: | |
110 | default: | |
04aa13f8 | 111 | dbg_printf("Bytecode warning: cannot load root, missing field name.\n"); |
47e5f13e MD |
112 | ret = -EINVAL; |
113 | goto end; | |
114 | } | |
115 | switch (stack_top->load.object_type) { | |
116 | case OBJECT_TYPE_S8: | |
117 | dbg_printf("op load field s8\n"); | |
118 | stack_top->type = REG_S64; | |
119 | if (!stack_top->load.rev_bo) | |
04aa13f8 | 120 | insn->op = BYTECODE_OP_LOAD_FIELD_S8; |
47e5f13e MD |
121 | break; |
122 | case OBJECT_TYPE_S16: | |
123 | dbg_printf("op load field s16\n"); | |
124 | stack_top->type = REG_S64; | |
125 | if (!stack_top->load.rev_bo) | |
04aa13f8 | 126 | insn->op = BYTECODE_OP_LOAD_FIELD_S16; |
47e5f13e MD |
127 | break; |
128 | case OBJECT_TYPE_S32: | |
129 | dbg_printf("op load field s32\n"); | |
130 | stack_top->type = REG_S64; | |
131 | if (!stack_top->load.rev_bo) | |
04aa13f8 | 132 | insn->op = BYTECODE_OP_LOAD_FIELD_S32; |
47e5f13e MD |
133 | break; |
134 | case OBJECT_TYPE_S64: | |
135 | dbg_printf("op load field s64\n"); | |
136 | stack_top->type = REG_S64; | |
137 | if (!stack_top->load.rev_bo) | |
04aa13f8 | 138 | insn->op = BYTECODE_OP_LOAD_FIELD_S64; |
47e5f13e | 139 | break; |
70f9f7f9 FD |
140 | case OBJECT_TYPE_SIGNED_ENUM: |
141 | dbg_printf("op load field signed enumeration\n"); | |
142 | stack_top->type = REG_PTR; | |
143 | break; | |
47e5f13e MD |
144 | case OBJECT_TYPE_U8: |
145 | dbg_printf("op load field u8\n"); | |
d97f9b78 | 146 | stack_top->type = REG_U64; |
04aa13f8 | 147 | insn->op = BYTECODE_OP_LOAD_FIELD_U8; |
47e5f13e MD |
148 | break; |
149 | case OBJECT_TYPE_U16: | |
150 | dbg_printf("op load field u16\n"); | |
d97f9b78 | 151 | stack_top->type = REG_U64; |
47e5f13e | 152 | if (!stack_top->load.rev_bo) |
04aa13f8 | 153 | insn->op = BYTECODE_OP_LOAD_FIELD_U16; |
47e5f13e MD |
154 | break; |
155 | case OBJECT_TYPE_U32: | |
156 | dbg_printf("op load field u32\n"); | |
d97f9b78 | 157 | stack_top->type = REG_U64; |
47e5f13e | 158 | if (!stack_top->load.rev_bo) |
04aa13f8 | 159 | insn->op = BYTECODE_OP_LOAD_FIELD_U32; |
47e5f13e MD |
160 | break; |
161 | case OBJECT_TYPE_U64: | |
162 | dbg_printf("op load field u64\n"); | |
d97f9b78 | 163 | stack_top->type = REG_U64; |
47e5f13e | 164 | if (!stack_top->load.rev_bo) |
04aa13f8 | 165 | insn->op = BYTECODE_OP_LOAD_FIELD_U64; |
47e5f13e | 166 | break; |
70f9f7f9 FD |
167 | case OBJECT_TYPE_UNSIGNED_ENUM: |
168 | dbg_printf("op load field unsigned enumeration\n"); | |
169 | stack_top->type = REG_PTR; | |
170 | break; | |
47e5f13e MD |
171 | case OBJECT_TYPE_DOUBLE: |
172 | stack_top->type = REG_DOUBLE; | |
04aa13f8 | 173 | insn->op = BYTECODE_OP_LOAD_FIELD_DOUBLE; |
47e5f13e MD |
174 | break; |
175 | case OBJECT_TYPE_STRING: | |
176 | dbg_printf("op load field string\n"); | |
177 | stack_top->type = REG_STRING; | |
04aa13f8 | 178 | insn->op = BYTECODE_OP_LOAD_FIELD_STRING; |
47e5f13e MD |
179 | break; |
180 | case OBJECT_TYPE_STRING_SEQUENCE: | |
181 | dbg_printf("op load field string sequence\n"); | |
182 | stack_top->type = REG_STRING; | |
04aa13f8 | 183 | insn->op = BYTECODE_OP_LOAD_FIELD_SEQUENCE; |
47e5f13e MD |
184 | break; |
185 | case OBJECT_TYPE_DYNAMIC: | |
186 | dbg_printf("op load field dynamic\n"); | |
187 | stack_top->type = REG_UNKNOWN; | |
188 | /* Don't specialize load op. */ | |
189 | break; | |
190 | case OBJECT_TYPE_SEQUENCE: | |
191 | case OBJECT_TYPE_ARRAY: | |
192 | case OBJECT_TYPE_STRUCT: | |
193 | case OBJECT_TYPE_VARIANT: | |
194 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
195 | ret = -EINVAL; | |
196 | goto end; | |
197 | } | |
198 | return 0; | |
199 | ||
200 | end: | |
201 | return ret; | |
202 | } | |
203 | ||
204 | static int specialize_get_index_object_type(enum object_type *otype, | |
205 | int signedness, uint32_t elem_len) | |
206 | { | |
207 | switch (elem_len) { | |
208 | case 8: | |
209 | if (signedness) | |
210 | *otype = OBJECT_TYPE_S8; | |
211 | else | |
212 | *otype = OBJECT_TYPE_U8; | |
213 | break; | |
214 | case 16: | |
215 | if (signedness) | |
216 | *otype = OBJECT_TYPE_S16; | |
217 | else | |
218 | *otype = OBJECT_TYPE_U16; | |
219 | break; | |
220 | case 32: | |
221 | if (signedness) | |
222 | *otype = OBJECT_TYPE_S32; | |
223 | else | |
224 | *otype = OBJECT_TYPE_U32; | |
225 | break; | |
226 | case 64: | |
227 | if (signedness) | |
228 | *otype = OBJECT_TYPE_S64; | |
229 | else | |
230 | *otype = OBJECT_TYPE_U64; | |
231 | break; | |
232 | default: | |
233 | return -EINVAL; | |
234 | } | |
235 | return 0; | |
236 | } | |
237 | ||
238 | static int specialize_get_index(struct bytecode_runtime *runtime, | |
239 | struct load_op *insn, uint64_t index, | |
240 | struct vstack_entry *stack_top, | |
241 | int idx_len) | |
242 | { | |
243 | int ret; | |
04aa13f8 | 244 | struct bytecode_get_index_data gid; |
47e5f13e MD |
245 | ssize_t data_offset; |
246 | ||
247 | memset(&gid, 0, sizeof(gid)); | |
248 | switch (stack_top->load.type) { | |
249 | case LOAD_OBJECT: | |
250 | switch (stack_top->load.object_type) { | |
251 | case OBJECT_TYPE_ARRAY: | |
252 | { | |
218deb69 | 253 | const struct lttng_integer_type *integer_type; |
47e5f13e MD |
254 | const struct lttng_event_field *field; |
255 | uint32_t elem_len, num_elems; | |
256 | int signedness; | |
257 | ||
258 | field = stack_top->load.field; | |
218deb69 MD |
259 | switch (field->type.atype) { |
260 | case atype_array: | |
261 | integer_type = &field->type.u.legacy.array.elem_type.u.basic.integer; | |
262 | num_elems = field->type.u.legacy.array.length; | |
263 | break; | |
264 | case atype_array_nestable: | |
265 | if (field->type.u.array_nestable.elem_type->atype != atype_integer) { | |
266 | ret = -EINVAL; | |
267 | goto end; | |
268 | } | |
269 | integer_type = &field->type.u.array_nestable.elem_type->u.integer; | |
270 | num_elems = field->type.u.array_nestable.length; | |
271 | break; | |
272 | default: | |
273 | ret = -EINVAL; | |
274 | goto end; | |
275 | } | |
276 | elem_len = integer_type->size; | |
277 | signedness = integer_type->signedness; | |
47e5f13e MD |
278 | if (index >= num_elems) { |
279 | ret = -EINVAL; | |
280 | goto end; | |
281 | } | |
282 | ret = specialize_get_index_object_type(&stack_top->load.object_type, | |
283 | signedness, elem_len); | |
284 | if (ret) | |
285 | goto end; | |
286 | gid.offset = index * (elem_len / CHAR_BIT); | |
287 | gid.array_len = num_elems * (elem_len / CHAR_BIT); | |
288 | gid.elem.type = stack_top->load.object_type; | |
289 | gid.elem.len = elem_len; | |
218deb69 | 290 | if (integer_type->reverse_byte_order) |
47e5f13e MD |
291 | gid.elem.rev_bo = true; |
292 | stack_top->load.rev_bo = gid.elem.rev_bo; | |
293 | break; | |
294 | } | |
295 | case OBJECT_TYPE_SEQUENCE: | |
296 | { | |
218deb69 | 297 | const struct lttng_integer_type *integer_type; |
47e5f13e MD |
298 | const struct lttng_event_field *field; |
299 | uint32_t elem_len; | |
300 | int signedness; | |
301 | ||
302 | field = stack_top->load.field; | |
218deb69 MD |
303 | switch (field->type.atype) { |
304 | case atype_sequence: | |
305 | integer_type = &field->type.u.legacy.sequence.elem_type.u.basic.integer; | |
306 | break; | |
307 | case atype_sequence_nestable: | |
308 | if (field->type.u.sequence_nestable.elem_type->atype != atype_integer) { | |
309 | ret = -EINVAL; | |
310 | goto end; | |
311 | } | |
312 | integer_type = &field->type.u.sequence_nestable.elem_type->u.integer; | |
313 | break; | |
314 | default: | |
315 | ret = -EINVAL; | |
316 | goto end; | |
317 | } | |
318 | elem_len = integer_type->size; | |
319 | signedness = integer_type->signedness; | |
47e5f13e MD |
320 | ret = specialize_get_index_object_type(&stack_top->load.object_type, |
321 | signedness, elem_len); | |
322 | if (ret) | |
323 | goto end; | |
324 | gid.offset = index * (elem_len / CHAR_BIT); | |
325 | gid.elem.type = stack_top->load.object_type; | |
326 | gid.elem.len = elem_len; | |
218deb69 | 327 | if (integer_type->reverse_byte_order) |
47e5f13e MD |
328 | gid.elem.rev_bo = true; |
329 | stack_top->load.rev_bo = gid.elem.rev_bo; | |
330 | break; | |
331 | } | |
332 | case OBJECT_TYPE_STRUCT: | |
333 | /* Only generated by the specialize phase. */ | |
334 | case OBJECT_TYPE_VARIANT: /* Fall-through */ | |
335 | default: | |
336 | ERR("Unexpected get index type %d", | |
337 | (int) stack_top->load.object_type); | |
338 | ret = -EINVAL; | |
339 | goto end; | |
340 | } | |
341 | break; | |
342 | case LOAD_ROOT_CONTEXT: | |
343 | case LOAD_ROOT_APP_CONTEXT: | |
344 | case LOAD_ROOT_PAYLOAD: | |
345 | ERR("Index lookup for root field not implemented yet."); | |
346 | ret = -EINVAL; | |
347 | goto end; | |
348 | } | |
349 | data_offset = bytecode_push_data(runtime, &gid, | |
350 | __alignof__(gid), sizeof(gid)); | |
351 | if (data_offset < 0) { | |
352 | ret = -EINVAL; | |
353 | goto end; | |
354 | } | |
355 | switch (idx_len) { | |
356 | case 2: | |
357 | ((struct get_index_u16 *) insn->data)->index = data_offset; | |
358 | break; | |
359 | case 8: | |
360 | ((struct get_index_u64 *) insn->data)->index = data_offset; | |
361 | break; | |
362 | default: | |
363 | ret = -EINVAL; | |
364 | goto end; | |
365 | } | |
366 | ||
367 | return 0; | |
368 | ||
369 | end: | |
370 | return ret; | |
371 | } | |
372 | ||
373 | static int specialize_context_lookup_name(struct lttng_ctx *ctx, | |
374 | struct bytecode_runtime *bytecode, | |
375 | struct load_op *insn) | |
376 | { | |
377 | uint16_t offset; | |
378 | const char *name; | |
379 | ||
380 | offset = ((struct get_symbol *) insn->data)->offset; | |
381 | name = bytecode->p.bc->bc.data + bytecode->p.bc->bc.reloc_offset + offset; | |
382 | return lttng_get_context_index(ctx, name); | |
383 | } | |
384 | ||
385 | static int specialize_load_object(const struct lttng_event_field *field, | |
386 | struct vstack_load *load, bool is_context) | |
387 | { | |
388 | load->type = LOAD_OBJECT; | |
d97f9b78 | 389 | |
47e5f13e MD |
390 | switch (field->type.atype) { |
391 | case atype_integer: | |
218deb69 | 392 | if (field->type.u.integer.signedness) |
47e5f13e MD |
393 | load->object_type = OBJECT_TYPE_S64; |
394 | else | |
395 | load->object_type = OBJECT_TYPE_U64; | |
396 | load->rev_bo = false; | |
397 | break; | |
398 | case atype_enum: | |
218deb69 | 399 | case atype_enum_nestable: |
47e5f13e | 400 | { |
218deb69 | 401 | const struct lttng_integer_type *itype; |
47e5f13e | 402 | |
218deb69 MD |
403 | if (field->type.atype == atype_enum) { |
404 | itype = &field->type.u.legacy.basic.enumeration.container_type; | |
405 | } else { | |
406 | itype = &field->type.u.enum_nestable.container_type->u.integer; | |
407 | } | |
47e5f13e | 408 | if (itype->signedness) |
70f9f7f9 | 409 | load->object_type = OBJECT_TYPE_SIGNED_ENUM; |
47e5f13e | 410 | else |
70f9f7f9 | 411 | load->object_type = OBJECT_TYPE_UNSIGNED_ENUM; |
47e5f13e MD |
412 | load->rev_bo = false; |
413 | break; | |
414 | } | |
415 | case atype_array: | |
218deb69 MD |
416 | if (field->type.u.legacy.array.elem_type.atype != atype_integer) { |
417 | ERR("Array nesting only supports integer types."); | |
418 | return -EINVAL; | |
419 | } | |
420 | if (is_context) { | |
421 | load->object_type = OBJECT_TYPE_STRING; | |
422 | } else { | |
423 | if (field->type.u.legacy.array.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
424 | load->object_type = OBJECT_TYPE_ARRAY; | |
425 | load->field = field; | |
426 | } else { | |
427 | load->object_type = OBJECT_TYPE_STRING_SEQUENCE; | |
428 | } | |
429 | } | |
430 | break; | |
431 | case atype_array_nestable: | |
432 | if (field->type.u.array_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
433 | ERR("Array nesting only supports integer types."); |
434 | return -EINVAL; | |
435 | } | |
436 | if (is_context) { | |
437 | load->object_type = OBJECT_TYPE_STRING; | |
438 | } else { | |
218deb69 | 439 | if (field->type.u.array_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
440 | load->object_type = OBJECT_TYPE_ARRAY; |
441 | load->field = field; | |
442 | } else { | |
443 | load->object_type = OBJECT_TYPE_STRING_SEQUENCE; | |
444 | } | |
445 | } | |
446 | break; | |
447 | case atype_sequence: | |
218deb69 MD |
448 | if (field->type.u.legacy.sequence.elem_type.atype != atype_integer) { |
449 | ERR("Sequence nesting only supports integer types."); | |
450 | return -EINVAL; | |
451 | } | |
452 | if (is_context) { | |
453 | load->object_type = OBJECT_TYPE_STRING; | |
454 | } else { | |
455 | if (field->type.u.legacy.sequence.elem_type.u.basic.integer.encoding == lttng_encode_none) { | |
456 | load->object_type = OBJECT_TYPE_SEQUENCE; | |
457 | load->field = field; | |
458 | } else { | |
459 | load->object_type = OBJECT_TYPE_STRING_SEQUENCE; | |
460 | } | |
461 | } | |
462 | break; | |
463 | case atype_sequence_nestable: | |
464 | if (field->type.u.sequence_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
465 | ERR("Sequence nesting only supports integer types."); |
466 | return -EINVAL; | |
467 | } | |
468 | if (is_context) { | |
469 | load->object_type = OBJECT_TYPE_STRING; | |
470 | } else { | |
218deb69 | 471 | if (field->type.u.sequence_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
472 | load->object_type = OBJECT_TYPE_SEQUENCE; |
473 | load->field = field; | |
474 | } else { | |
475 | load->object_type = OBJECT_TYPE_STRING_SEQUENCE; | |
476 | } | |
477 | } | |
478 | break; | |
218deb69 | 479 | |
47e5f13e MD |
480 | case atype_string: |
481 | load->object_type = OBJECT_TYPE_STRING; | |
482 | break; | |
483 | case atype_float: | |
484 | load->object_type = OBJECT_TYPE_DOUBLE; | |
485 | break; | |
486 | case atype_dynamic: | |
487 | load->object_type = OBJECT_TYPE_DYNAMIC; | |
8d3190bd | 488 | break; |
47e5f13e MD |
489 | case atype_struct: |
490 | ERR("Structure type cannot be loaded."); | |
491 | return -EINVAL; | |
492 | default: | |
493 | ERR("Unknown type: %d", (int) field->type.atype); | |
494 | return -EINVAL; | |
495 | } | |
496 | return 0; | |
497 | } | |
498 | ||
b77aaa1b | 499 | static int specialize_context_lookup(struct lttng_ctx *ctx, |
47e5f13e MD |
500 | struct bytecode_runtime *runtime, |
501 | struct load_op *insn, | |
502 | struct vstack_load *load) | |
503 | { | |
504 | int idx, ret; | |
505 | struct lttng_ctx_field *ctx_field; | |
506 | struct lttng_event_field *field; | |
04aa13f8 | 507 | struct bytecode_get_index_data gid; |
47e5f13e MD |
508 | ssize_t data_offset; |
509 | ||
b77aaa1b | 510 | idx = specialize_context_lookup_name(ctx, runtime, insn); |
47e5f13e MD |
511 | if (idx < 0) { |
512 | return -ENOENT; | |
513 | } | |
b77aaa1b | 514 | ctx_field = &ctx->fields[idx]; |
47e5f13e MD |
515 | field = &ctx_field->event_field; |
516 | ret = specialize_load_object(field, load, true); | |
517 | if (ret) | |
518 | return ret; | |
519 | /* Specialize each get_symbol into a get_index. */ | |
04aa13f8 | 520 | insn->op = BYTECODE_OP_GET_INDEX_U16; |
47e5f13e MD |
521 | memset(&gid, 0, sizeof(gid)); |
522 | gid.ctx_index = idx; | |
523 | gid.elem.type = load->object_type; | |
6bbd9df3 | 524 | gid.elem.rev_bo = load->rev_bo; |
f3503ba9 | 525 | gid.field = field; |
47e5f13e MD |
526 | data_offset = bytecode_push_data(runtime, &gid, |
527 | __alignof__(gid), sizeof(gid)); | |
528 | if (data_offset < 0) { | |
529 | return -EINVAL; | |
530 | } | |
531 | ((struct get_index_u16 *) insn->data)->index = data_offset; | |
532 | return 0; | |
533 | } | |
534 | ||
b77aaa1b | 535 | static int specialize_app_context_lookup(struct lttng_ctx **pctx, |
47e5f13e MD |
536 | struct bytecode_runtime *runtime, |
537 | struct load_op *insn, | |
538 | struct vstack_load *load) | |
539 | { | |
540 | uint16_t offset; | |
541 | const char *orig_name; | |
542 | char *name = NULL; | |
543 | int idx, ret; | |
544 | struct lttng_ctx_field *ctx_field; | |
545 | struct lttng_event_field *field; | |
04aa13f8 | 546 | struct bytecode_get_index_data gid; |
47e5f13e MD |
547 | ssize_t data_offset; |
548 | ||
549 | offset = ((struct get_symbol *) insn->data)->offset; | |
550 | orig_name = runtime->p.bc->bc.data + runtime->p.bc->bc.reloc_offset + offset; | |
551 | name = zmalloc(strlen(orig_name) + strlen("$app.") + 1); | |
552 | if (!name) { | |
553 | ret = -ENOMEM; | |
554 | goto end; | |
555 | } | |
556 | strcpy(name, "$app."); | |
557 | strcat(name, orig_name); | |
b77aaa1b | 558 | idx = lttng_get_context_index(*pctx, name); |
47e5f13e MD |
559 | if (idx < 0) { |
560 | assert(lttng_context_is_app(name)); | |
561 | ret = lttng_ust_add_app_context_to_ctx_rcu(name, | |
b77aaa1b | 562 | pctx); |
47e5f13e MD |
563 | if (ret) |
564 | return ret; | |
b77aaa1b | 565 | idx = lttng_get_context_index(*pctx, name); |
47e5f13e MD |
566 | if (idx < 0) |
567 | return -ENOENT; | |
568 | } | |
b77aaa1b | 569 | ctx_field = &(*pctx)->fields[idx]; |
47e5f13e MD |
570 | field = &ctx_field->event_field; |
571 | ret = specialize_load_object(field, load, true); | |
572 | if (ret) | |
573 | goto end; | |
574 | /* Specialize each get_symbol into a get_index. */ | |
04aa13f8 | 575 | insn->op = BYTECODE_OP_GET_INDEX_U16; |
47e5f13e MD |
576 | memset(&gid, 0, sizeof(gid)); |
577 | gid.ctx_index = idx; | |
578 | gid.elem.type = load->object_type; | |
6bbd9df3 | 579 | gid.elem.rev_bo = load->rev_bo; |
f3503ba9 | 580 | gid.field = field; |
47e5f13e MD |
581 | data_offset = bytecode_push_data(runtime, &gid, |
582 | __alignof__(gid), sizeof(gid)); | |
583 | if (data_offset < 0) { | |
584 | ret = -EINVAL; | |
585 | goto end; | |
586 | } | |
587 | ((struct get_index_u16 *) insn->data)->index = data_offset; | |
588 | ret = 0; | |
589 | end: | |
590 | free(name); | |
591 | return ret; | |
592 | } | |
593 | ||
53b9d7db | 594 | static int specialize_payload_lookup(const struct lttng_event_desc *event_desc, |
47e5f13e MD |
595 | struct bytecode_runtime *runtime, |
596 | struct load_op *insn, | |
597 | struct vstack_load *load) | |
598 | { | |
599 | const char *name; | |
600 | uint16_t offset; | |
47e5f13e MD |
601 | unsigned int i, nr_fields; |
602 | bool found = false; | |
603 | uint32_t field_offset = 0; | |
604 | const struct lttng_event_field *field; | |
605 | int ret; | |
04aa13f8 | 606 | struct bytecode_get_index_data gid; |
47e5f13e MD |
607 | ssize_t data_offset; |
608 | ||
53b9d7db | 609 | nr_fields = event_desc->nr_fields; |
47e5f13e MD |
610 | offset = ((struct get_symbol *) insn->data)->offset; |
611 | name = runtime->p.bc->bc.data + runtime->p.bc->bc.reloc_offset + offset; | |
612 | for (i = 0; i < nr_fields; i++) { | |
53b9d7db | 613 | field = &event_desc->fields[i]; |
218deb69 MD |
614 | if (field->u.ext.nofilter) { |
615 | continue; | |
616 | } | |
47e5f13e MD |
617 | if (!strcmp(field->name, name)) { |
618 | found = true; | |
619 | break; | |
620 | } | |
621 | /* compute field offset on stack */ | |
622 | switch (field->type.atype) { | |
623 | case atype_integer: | |
624 | case atype_enum: | |
218deb69 | 625 | case atype_enum_nestable: |
47e5f13e MD |
626 | field_offset += sizeof(int64_t); |
627 | break; | |
628 | case atype_array: | |
218deb69 | 629 | case atype_array_nestable: |
47e5f13e | 630 | case atype_sequence: |
218deb69 | 631 | case atype_sequence_nestable: |
47e5f13e MD |
632 | field_offset += sizeof(unsigned long); |
633 | field_offset += sizeof(void *); | |
634 | break; | |
635 | case atype_string: | |
636 | field_offset += sizeof(void *); | |
637 | break; | |
638 | case atype_float: | |
639 | field_offset += sizeof(double); | |
640 | break; | |
641 | default: | |
642 | ret = -EINVAL; | |
643 | goto end; | |
644 | } | |
645 | } | |
646 | if (!found) { | |
647 | ret = -EINVAL; | |
648 | goto end; | |
649 | } | |
650 | ||
651 | ret = specialize_load_object(field, load, false); | |
652 | if (ret) | |
653 | goto end; | |
654 | ||
655 | /* Specialize each get_symbol into a get_index. */ | |
04aa13f8 | 656 | insn->op = BYTECODE_OP_GET_INDEX_U16; |
47e5f13e MD |
657 | memset(&gid, 0, sizeof(gid)); |
658 | gid.offset = field_offset; | |
659 | gid.elem.type = load->object_type; | |
6bbd9df3 | 660 | gid.elem.rev_bo = load->rev_bo; |
f3503ba9 | 661 | gid.field = field; |
47e5f13e MD |
662 | data_offset = bytecode_push_data(runtime, &gid, |
663 | __alignof__(gid), sizeof(gid)); | |
664 | if (data_offset < 0) { | |
665 | ret = -EINVAL; | |
666 | goto end; | |
667 | } | |
668 | ((struct get_index_u16 *) insn->data)->index = data_offset; | |
669 | ret = 0; | |
670 | end: | |
671 | return ret; | |
672 | } | |
673 | ||
04aa13f8 | 674 | int lttng_bytecode_specialize(const struct lttng_event_desc *event_desc, |
47e5f13e | 675 | struct bytecode_runtime *bytecode) |
97b58163 MD |
676 | { |
677 | void *pc, *next_pc, *start_pc; | |
678 | int ret = -EINVAL; | |
0305960f MD |
679 | struct vstack _stack; |
680 | struct vstack *stack = &_stack; | |
b77aaa1b | 681 | struct lttng_ctx **pctx = bytecode->p.pctx; |
97b58163 | 682 | |
0305960f | 683 | vstack_init(stack); |
97b58163 | 684 | |
47e5f13e | 685 | start_pc = &bytecode->code[0]; |
97b58163 MD |
686 | for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; |
687 | pc = next_pc) { | |
04aa13f8 FD |
688 | switch (*(bytecode_opcode_t *) pc) { |
689 | case BYTECODE_OP_UNKNOWN: | |
97b58163 MD |
690 | default: |
691 | ERR("unknown bytecode op %u\n", | |
04aa13f8 | 692 | (unsigned int) *(bytecode_opcode_t *) pc); |
97b58163 MD |
693 | ret = -EINVAL; |
694 | goto end; | |
695 | ||
04aa13f8 | 696 | case BYTECODE_OP_RETURN: |
d97f9b78 MD |
697 | if (vstack_ax(stack)->type == REG_S64 || |
698 | vstack_ax(stack)->type == REG_U64) | |
04aa13f8 | 699 | *(bytecode_opcode_t *) pc = BYTECODE_OP_RETURN_S64; |
93c591bb MD |
700 | ret = 0; |
701 | goto end; | |
702 | ||
04aa13f8 | 703 | case BYTECODE_OP_RETURN_S64: |
d97f9b78 MD |
704 | if (vstack_ax(stack)->type != REG_S64 && |
705 | vstack_ax(stack)->type != REG_U64) { | |
93c591bb MD |
706 | ERR("Unexpected register type\n"); |
707 | ret = -EINVAL; | |
708 | goto end; | |
709 | } | |
97b58163 MD |
710 | ret = 0; |
711 | goto end; | |
712 | ||
713 | /* binary */ | |
04aa13f8 FD |
714 | case BYTECODE_OP_MUL: |
715 | case BYTECODE_OP_DIV: | |
716 | case BYTECODE_OP_MOD: | |
717 | case BYTECODE_OP_PLUS: | |
718 | case BYTECODE_OP_MINUS: | |
97b58163 | 719 | ERR("unsupported bytecode op %u\n", |
04aa13f8 | 720 | (unsigned int) *(bytecode_opcode_t *) pc); |
97b58163 MD |
721 | ret = -EINVAL; |
722 | goto end; | |
723 | ||
04aa13f8 | 724 | case BYTECODE_OP_EQ: |
97b58163 MD |
725 | { |
726 | struct binary_op *insn = (struct binary_op *) pc; | |
727 | ||
0305960f | 728 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
729 | default: |
730 | ERR("unknown register type\n"); | |
731 | ret = -EINVAL; | |
732 | goto end; | |
733 | ||
734 | case REG_STRING: | |
53569322 MD |
735 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
736 | break; | |
3151a51d | 737 | if (vstack_bx(stack)->type == REG_STAR_GLOB_STRING) |
04aa13f8 | 738 | insn->op = BYTECODE_OP_EQ_STAR_GLOB_STRING; |
3151a51d | 739 | else |
04aa13f8 | 740 | insn->op = BYTECODE_OP_EQ_STRING; |
3151a51d PP |
741 | break; |
742 | case REG_STAR_GLOB_STRING: | |
743 | if (vstack_bx(stack)->type == REG_UNKNOWN) | |
744 | break; | |
04aa13f8 | 745 | insn->op = BYTECODE_OP_EQ_STAR_GLOB_STRING; |
97b58163 MD |
746 | break; |
747 | case REG_S64: | |
d97f9b78 | 748 | case REG_U64: |
53569322 MD |
749 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
750 | break; | |
d97f9b78 MD |
751 | if (vstack_bx(stack)->type == REG_S64 || |
752 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 753 | insn->op = BYTECODE_OP_EQ_S64; |
97b58163 | 754 | else |
04aa13f8 | 755 | insn->op = BYTECODE_OP_EQ_DOUBLE_S64; |
97b58163 MD |
756 | break; |
757 | case REG_DOUBLE: | |
53569322 MD |
758 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
759 | break; | |
d97f9b78 MD |
760 | if (vstack_bx(stack)->type == REG_S64 || |
761 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 762 | insn->op = BYTECODE_OP_EQ_S64_DOUBLE; |
dbea82ec | 763 | else |
04aa13f8 | 764 | insn->op = BYTECODE_OP_EQ_DOUBLE; |
97b58163 | 765 | break; |
53569322 MD |
766 | case REG_UNKNOWN: |
767 | break; /* Dynamic typing. */ | |
97b58163 | 768 | } |
0305960f MD |
769 | /* Pop 2, push 1 */ |
770 | if (vstack_pop(stack)) { | |
771 | ret = -EINVAL; | |
772 | goto end; | |
773 | } | |
774 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
775 | next_pc += sizeof(struct binary_op); |
776 | break; | |
777 | } | |
778 | ||
04aa13f8 | 779 | case BYTECODE_OP_NE: |
97b58163 MD |
780 | { |
781 | struct binary_op *insn = (struct binary_op *) pc; | |
782 | ||
0305960f | 783 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
784 | default: |
785 | ERR("unknown register type\n"); | |
786 | ret = -EINVAL; | |
787 | goto end; | |
788 | ||
789 | case REG_STRING: | |
53569322 MD |
790 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
791 | break; | |
3151a51d | 792 | if (vstack_bx(stack)->type == REG_STAR_GLOB_STRING) |
04aa13f8 | 793 | insn->op = BYTECODE_OP_NE_STAR_GLOB_STRING; |
3151a51d | 794 | else |
04aa13f8 | 795 | insn->op = BYTECODE_OP_NE_STRING; |
3151a51d PP |
796 | break; |
797 | case REG_STAR_GLOB_STRING: | |
798 | if (vstack_bx(stack)->type == REG_UNKNOWN) | |
799 | break; | |
04aa13f8 | 800 | insn->op = BYTECODE_OP_NE_STAR_GLOB_STRING; |
97b58163 MD |
801 | break; |
802 | case REG_S64: | |
d97f9b78 | 803 | case REG_U64: |
53569322 MD |
804 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
805 | break; | |
d97f9b78 MD |
806 | if (vstack_bx(stack)->type == REG_S64 || |
807 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 808 | insn->op = BYTECODE_OP_NE_S64; |
97b58163 | 809 | else |
04aa13f8 | 810 | insn->op = BYTECODE_OP_NE_DOUBLE_S64; |
97b58163 MD |
811 | break; |
812 | case REG_DOUBLE: | |
53569322 MD |
813 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
814 | break; | |
d97f9b78 MD |
815 | if (vstack_bx(stack)->type == REG_S64 || |
816 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 817 | insn->op = BYTECODE_OP_NE_S64_DOUBLE; |
dbea82ec | 818 | else |
04aa13f8 | 819 | insn->op = BYTECODE_OP_NE_DOUBLE; |
97b58163 | 820 | break; |
53569322 MD |
821 | case REG_UNKNOWN: |
822 | break; /* Dynamic typing. */ | |
97b58163 | 823 | } |
0305960f MD |
824 | /* Pop 2, push 1 */ |
825 | if (vstack_pop(stack)) { | |
826 | ret = -EINVAL; | |
827 | goto end; | |
828 | } | |
829 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
830 | next_pc += sizeof(struct binary_op); |
831 | break; | |
832 | } | |
833 | ||
04aa13f8 | 834 | case BYTECODE_OP_GT: |
97b58163 MD |
835 | { |
836 | struct binary_op *insn = (struct binary_op *) pc; | |
837 | ||
0305960f | 838 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
839 | default: |
840 | ERR("unknown register type\n"); | |
841 | ret = -EINVAL; | |
842 | goto end; | |
843 | ||
3151a51d PP |
844 | case REG_STAR_GLOB_STRING: |
845 | ERR("invalid register type for > binary operator\n"); | |
846 | ret = -EINVAL; | |
847 | goto end; | |
97b58163 | 848 | case REG_STRING: |
53569322 MD |
849 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
850 | break; | |
04aa13f8 | 851 | insn->op = BYTECODE_OP_GT_STRING; |
97b58163 MD |
852 | break; |
853 | case REG_S64: | |
d97f9b78 | 854 | case REG_U64: |
53569322 MD |
855 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
856 | break; | |
d97f9b78 MD |
857 | if (vstack_bx(stack)->type == REG_S64 || |
858 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 859 | insn->op = BYTECODE_OP_GT_S64; |
97b58163 | 860 | else |
04aa13f8 | 861 | insn->op = BYTECODE_OP_GT_DOUBLE_S64; |
97b58163 MD |
862 | break; |
863 | case REG_DOUBLE: | |
53569322 MD |
864 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
865 | break; | |
d97f9b78 MD |
866 | if (vstack_bx(stack)->type == REG_S64 || |
867 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 868 | insn->op = BYTECODE_OP_GT_S64_DOUBLE; |
dbea82ec | 869 | else |
04aa13f8 | 870 | insn->op = BYTECODE_OP_GT_DOUBLE; |
97b58163 | 871 | break; |
53569322 MD |
872 | case REG_UNKNOWN: |
873 | break; /* Dynamic typing. */ | |
97b58163 | 874 | } |
0305960f MD |
875 | /* Pop 2, push 1 */ |
876 | if (vstack_pop(stack)) { | |
877 | ret = -EINVAL; | |
878 | goto end; | |
879 | } | |
880 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
881 | next_pc += sizeof(struct binary_op); |
882 | break; | |
883 | } | |
884 | ||
04aa13f8 | 885 | case BYTECODE_OP_LT: |
97b58163 MD |
886 | { |
887 | struct binary_op *insn = (struct binary_op *) pc; | |
888 | ||
0305960f | 889 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
890 | default: |
891 | ERR("unknown register type\n"); | |
892 | ret = -EINVAL; | |
893 | goto end; | |
894 | ||
3151a51d PP |
895 | case REG_STAR_GLOB_STRING: |
896 | ERR("invalid register type for < binary operator\n"); | |
897 | ret = -EINVAL; | |
898 | goto end; | |
97b58163 | 899 | case REG_STRING: |
53569322 MD |
900 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
901 | break; | |
04aa13f8 | 902 | insn->op = BYTECODE_OP_LT_STRING; |
97b58163 MD |
903 | break; |
904 | case REG_S64: | |
d97f9b78 | 905 | case REG_U64: |
53569322 MD |
906 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
907 | break; | |
d97f9b78 MD |
908 | if (vstack_bx(stack)->type == REG_S64 || |
909 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 910 | insn->op = BYTECODE_OP_LT_S64; |
97b58163 | 911 | else |
04aa13f8 | 912 | insn->op = BYTECODE_OP_LT_DOUBLE_S64; |
97b58163 MD |
913 | break; |
914 | case REG_DOUBLE: | |
53569322 MD |
915 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
916 | break; | |
d97f9b78 MD |
917 | if (vstack_bx(stack)->type == REG_S64 || |
918 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 919 | insn->op = BYTECODE_OP_LT_S64_DOUBLE; |
dbea82ec | 920 | else |
04aa13f8 | 921 | insn->op = BYTECODE_OP_LT_DOUBLE; |
97b58163 | 922 | break; |
53569322 MD |
923 | case REG_UNKNOWN: |
924 | break; /* Dynamic typing. */ | |
97b58163 | 925 | } |
0305960f MD |
926 | /* Pop 2, push 1 */ |
927 | if (vstack_pop(stack)) { | |
928 | ret = -EINVAL; | |
929 | goto end; | |
930 | } | |
931 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
932 | next_pc += sizeof(struct binary_op); |
933 | break; | |
934 | } | |
935 | ||
04aa13f8 | 936 | case BYTECODE_OP_GE: |
97b58163 MD |
937 | { |
938 | struct binary_op *insn = (struct binary_op *) pc; | |
939 | ||
0305960f | 940 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
941 | default: |
942 | ERR("unknown register type\n"); | |
943 | ret = -EINVAL; | |
944 | goto end; | |
945 | ||
3151a51d PP |
946 | case REG_STAR_GLOB_STRING: |
947 | ERR("invalid register type for >= binary operator\n"); | |
948 | ret = -EINVAL; | |
949 | goto end; | |
97b58163 | 950 | case REG_STRING: |
53569322 MD |
951 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
952 | break; | |
04aa13f8 | 953 | insn->op = BYTECODE_OP_GE_STRING; |
97b58163 MD |
954 | break; |
955 | case REG_S64: | |
d97f9b78 | 956 | case REG_U64: |
53569322 MD |
957 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
958 | break; | |
d97f9b78 MD |
959 | if (vstack_bx(stack)->type == REG_S64 || |
960 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 961 | insn->op = BYTECODE_OP_GE_S64; |
97b58163 | 962 | else |
04aa13f8 | 963 | insn->op = BYTECODE_OP_GE_DOUBLE_S64; |
97b58163 MD |
964 | break; |
965 | case REG_DOUBLE: | |
53569322 MD |
966 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
967 | break; | |
d97f9b78 MD |
968 | if (vstack_bx(stack)->type == REG_S64 || |
969 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 970 | insn->op = BYTECODE_OP_GE_S64_DOUBLE; |
dbea82ec | 971 | else |
04aa13f8 | 972 | insn->op = BYTECODE_OP_GE_DOUBLE; |
97b58163 | 973 | break; |
53569322 MD |
974 | case REG_UNKNOWN: |
975 | break; /* Dynamic typing. */ | |
97b58163 | 976 | } |
0305960f MD |
977 | /* Pop 2, push 1 */ |
978 | if (vstack_pop(stack)) { | |
979 | ret = -EINVAL; | |
980 | goto end; | |
981 | } | |
d97f9b78 | 982 | vstack_ax(stack)->type = REG_U64; |
97b58163 MD |
983 | next_pc += sizeof(struct binary_op); |
984 | break; | |
985 | } | |
04aa13f8 | 986 | case BYTECODE_OP_LE: |
97b58163 MD |
987 | { |
988 | struct binary_op *insn = (struct binary_op *) pc; | |
989 | ||
0305960f | 990 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
991 | default: |
992 | ERR("unknown register type\n"); | |
993 | ret = -EINVAL; | |
994 | goto end; | |
995 | ||
3151a51d PP |
996 | case REG_STAR_GLOB_STRING: |
997 | ERR("invalid register type for <= binary operator\n"); | |
998 | ret = -EINVAL; | |
999 | goto end; | |
97b58163 | 1000 | case REG_STRING: |
53569322 MD |
1001 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
1002 | break; | |
04aa13f8 | 1003 | insn->op = BYTECODE_OP_LE_STRING; |
97b58163 MD |
1004 | break; |
1005 | case REG_S64: | |
d97f9b78 | 1006 | case REG_U64: |
53569322 MD |
1007 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
1008 | break; | |
d97f9b78 MD |
1009 | if (vstack_bx(stack)->type == REG_S64 || |
1010 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 1011 | insn->op = BYTECODE_OP_LE_S64; |
97b58163 | 1012 | else |
04aa13f8 | 1013 | insn->op = BYTECODE_OP_LE_DOUBLE_S64; |
97b58163 MD |
1014 | break; |
1015 | case REG_DOUBLE: | |
53569322 MD |
1016 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
1017 | break; | |
d97f9b78 MD |
1018 | if (vstack_bx(stack)->type == REG_S64 || |
1019 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 1020 | insn->op = BYTECODE_OP_LE_S64_DOUBLE; |
dbea82ec | 1021 | else |
04aa13f8 | 1022 | insn->op = BYTECODE_OP_LE_DOUBLE; |
97b58163 | 1023 | break; |
53569322 MD |
1024 | case REG_UNKNOWN: |
1025 | break; /* Dynamic typing. */ | |
97b58163 | 1026 | } |
0305960f | 1027 | vstack_ax(stack)->type = REG_S64; |
97b58163 MD |
1028 | next_pc += sizeof(struct binary_op); |
1029 | break; | |
1030 | } | |
1031 | ||
04aa13f8 FD |
1032 | case BYTECODE_OP_EQ_STRING: |
1033 | case BYTECODE_OP_NE_STRING: | |
1034 | case BYTECODE_OP_GT_STRING: | |
1035 | case BYTECODE_OP_LT_STRING: | |
1036 | case BYTECODE_OP_GE_STRING: | |
1037 | case BYTECODE_OP_LE_STRING: | |
1038 | case BYTECODE_OP_EQ_STAR_GLOB_STRING: | |
1039 | case BYTECODE_OP_NE_STAR_GLOB_STRING: | |
1040 | case BYTECODE_OP_EQ_S64: | |
1041 | case BYTECODE_OP_NE_S64: | |
1042 | case BYTECODE_OP_GT_S64: | |
1043 | case BYTECODE_OP_LT_S64: | |
1044 | case BYTECODE_OP_GE_S64: | |
1045 | case BYTECODE_OP_LE_S64: | |
1046 | case BYTECODE_OP_EQ_DOUBLE: | |
1047 | case BYTECODE_OP_NE_DOUBLE: | |
1048 | case BYTECODE_OP_GT_DOUBLE: | |
1049 | case BYTECODE_OP_LT_DOUBLE: | |
1050 | case BYTECODE_OP_GE_DOUBLE: | |
1051 | case BYTECODE_OP_LE_DOUBLE: | |
1052 | case BYTECODE_OP_EQ_DOUBLE_S64: | |
1053 | case BYTECODE_OP_NE_DOUBLE_S64: | |
1054 | case BYTECODE_OP_GT_DOUBLE_S64: | |
1055 | case BYTECODE_OP_LT_DOUBLE_S64: | |
1056 | case BYTECODE_OP_GE_DOUBLE_S64: | |
1057 | case BYTECODE_OP_LE_DOUBLE_S64: | |
1058 | case BYTECODE_OP_EQ_S64_DOUBLE: | |
1059 | case BYTECODE_OP_NE_S64_DOUBLE: | |
1060 | case BYTECODE_OP_GT_S64_DOUBLE: | |
1061 | case BYTECODE_OP_LT_S64_DOUBLE: | |
1062 | case BYTECODE_OP_GE_S64_DOUBLE: | |
1063 | case BYTECODE_OP_LE_S64_DOUBLE: | |
d97f9b78 MD |
1064 | { |
1065 | /* Pop 2, push 1 */ | |
1066 | if (vstack_pop(stack)) { | |
1067 | ret = -EINVAL; | |
1068 | goto end; | |
1069 | } | |
1070 | vstack_ax(stack)->type = REG_S64; | |
1071 | next_pc += sizeof(struct binary_op); | |
1072 | break; | |
1073 | } | |
1074 | ||
04aa13f8 FD |
1075 | case BYTECODE_OP_BIT_RSHIFT: |
1076 | case BYTECODE_OP_BIT_LSHIFT: | |
1077 | case BYTECODE_OP_BIT_AND: | |
1078 | case BYTECODE_OP_BIT_OR: | |
1079 | case BYTECODE_OP_BIT_XOR: | |
97b58163 | 1080 | { |
0305960f MD |
1081 | /* Pop 2, push 1 */ |
1082 | if (vstack_pop(stack)) { | |
1083 | ret = -EINVAL; | |
1084 | goto end; | |
1085 | } | |
1086 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1087 | next_pc += sizeof(struct binary_op); |
1088 | break; | |
1089 | } | |
1090 | ||
1091 | /* unary */ | |
04aa13f8 | 1092 | case BYTECODE_OP_UNARY_PLUS: |
97b58163 MD |
1093 | { |
1094 | struct unary_op *insn = (struct unary_op *) pc; | |
1095 | ||
0305960f | 1096 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
1097 | default: |
1098 | ERR("unknown register type\n"); | |
1099 | ret = -EINVAL; | |
1100 | goto end; | |
1101 | ||
1102 | case REG_S64: | |
d97f9b78 | 1103 | case REG_U64: |
04aa13f8 | 1104 | insn->op = BYTECODE_OP_UNARY_PLUS_S64; |
97b58163 MD |
1105 | break; |
1106 | case REG_DOUBLE: | |
04aa13f8 | 1107 | insn->op = BYTECODE_OP_UNARY_PLUS_DOUBLE; |
97b58163 | 1108 | break; |
53569322 MD |
1109 | case REG_UNKNOWN: /* Dynamic typing. */ |
1110 | break; | |
97b58163 | 1111 | } |
0305960f | 1112 | /* Pop 1, push 1 */ |
97b58163 MD |
1113 | next_pc += sizeof(struct unary_op); |
1114 | break; | |
1115 | } | |
1116 | ||
04aa13f8 | 1117 | case BYTECODE_OP_UNARY_MINUS: |
97b58163 MD |
1118 | { |
1119 | struct unary_op *insn = (struct unary_op *) pc; | |
1120 | ||
0305960f | 1121 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
1122 | default: |
1123 | ERR("unknown register type\n"); | |
1124 | ret = -EINVAL; | |
1125 | goto end; | |
1126 | ||
1127 | case REG_S64: | |
d97f9b78 | 1128 | case REG_U64: |
04aa13f8 | 1129 | insn->op = BYTECODE_OP_UNARY_MINUS_S64; |
97b58163 MD |
1130 | break; |
1131 | case REG_DOUBLE: | |
04aa13f8 | 1132 | insn->op = BYTECODE_OP_UNARY_MINUS_DOUBLE; |
97b58163 | 1133 | break; |
53569322 MD |
1134 | case REG_UNKNOWN: /* Dynamic typing. */ |
1135 | break; | |
97b58163 | 1136 | } |
0305960f | 1137 | /* Pop 1, push 1 */ |
97b58163 MD |
1138 | next_pc += sizeof(struct unary_op); |
1139 | break; | |
1140 | } | |
1141 | ||
04aa13f8 | 1142 | case BYTECODE_OP_UNARY_NOT: |
97b58163 MD |
1143 | { |
1144 | struct unary_op *insn = (struct unary_op *) pc; | |
1145 | ||
0305960f | 1146 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
1147 | default: |
1148 | ERR("unknown register type\n"); | |
1149 | ret = -EINVAL; | |
1150 | goto end; | |
1151 | ||
1152 | case REG_S64: | |
d97f9b78 | 1153 | case REG_U64: |
04aa13f8 | 1154 | insn->op = BYTECODE_OP_UNARY_NOT_S64; |
97b58163 MD |
1155 | break; |
1156 | case REG_DOUBLE: | |
04aa13f8 | 1157 | insn->op = BYTECODE_OP_UNARY_NOT_DOUBLE; |
97b58163 | 1158 | break; |
53569322 MD |
1159 | case REG_UNKNOWN: /* Dynamic typing. */ |
1160 | break; | |
97b58163 | 1161 | } |
0305960f | 1162 | /* Pop 1, push 1 */ |
97b58163 MD |
1163 | next_pc += sizeof(struct unary_op); |
1164 | break; | |
1165 | } | |
1166 | ||
04aa13f8 | 1167 | case BYTECODE_OP_UNARY_BIT_NOT: |
0039e2d8 MD |
1168 | { |
1169 | /* Pop 1, push 1 */ | |
1170 | next_pc += sizeof(struct unary_op); | |
1171 | break; | |
1172 | } | |
1173 | ||
04aa13f8 FD |
1174 | case BYTECODE_OP_UNARY_PLUS_S64: |
1175 | case BYTECODE_OP_UNARY_MINUS_S64: | |
1176 | case BYTECODE_OP_UNARY_NOT_S64: | |
1177 | case BYTECODE_OP_UNARY_PLUS_DOUBLE: | |
1178 | case BYTECODE_OP_UNARY_MINUS_DOUBLE: | |
1179 | case BYTECODE_OP_UNARY_NOT_DOUBLE: | |
97b58163 | 1180 | { |
0305960f | 1181 | /* Pop 1, push 1 */ |
97b58163 MD |
1182 | next_pc += sizeof(struct unary_op); |
1183 | break; | |
1184 | } | |
1185 | ||
1186 | /* logical */ | |
04aa13f8 FD |
1187 | case BYTECODE_OP_AND: |
1188 | case BYTECODE_OP_OR: | |
97b58163 | 1189 | { |
b9f4cd79 MD |
1190 | /* Continue to next instruction */ |
1191 | /* Pop 1 when jump not taken */ | |
1192 | if (vstack_pop(stack)) { | |
1193 | ret = -EINVAL; | |
1194 | goto end; | |
1195 | } | |
97b58163 MD |
1196 | next_pc += sizeof(struct logical_op); |
1197 | break; | |
1198 | } | |
1199 | ||
77aa5901 | 1200 | /* load field ref */ |
04aa13f8 | 1201 | case BYTECODE_OP_LOAD_FIELD_REF: |
97b58163 MD |
1202 | { |
1203 | ERR("Unknown field ref type\n"); | |
1204 | ret = -EINVAL; | |
1205 | goto end; | |
1206 | } | |
77aa5901 | 1207 | /* get context ref */ |
04aa13f8 | 1208 | case BYTECODE_OP_GET_CONTEXT_REF: |
77aa5901 | 1209 | { |
53569322 MD |
1210 | if (vstack_push(stack)) { |
1211 | ret = -EINVAL; | |
1212 | goto end; | |
1213 | } | |
1214 | vstack_ax(stack)->type = REG_UNKNOWN; | |
1215 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
1216 | break; | |
77aa5901 | 1217 | } |
04aa13f8 FD |
1218 | case BYTECODE_OP_LOAD_FIELD_REF_STRING: |
1219 | case BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE: | |
1220 | case BYTECODE_OP_GET_CONTEXT_REF_STRING: | |
97b58163 | 1221 | { |
0305960f MD |
1222 | if (vstack_push(stack)) { |
1223 | ret = -EINVAL; | |
1224 | goto end; | |
1225 | } | |
1226 | vstack_ax(stack)->type = REG_STRING; | |
97b58163 MD |
1227 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1228 | break; | |
1229 | } | |
04aa13f8 FD |
1230 | case BYTECODE_OP_LOAD_FIELD_REF_S64: |
1231 | case BYTECODE_OP_GET_CONTEXT_REF_S64: | |
97b58163 | 1232 | { |
0305960f MD |
1233 | if (vstack_push(stack)) { |
1234 | ret = -EINVAL; | |
1235 | goto end; | |
1236 | } | |
1237 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1238 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1239 | break; | |
1240 | } | |
04aa13f8 FD |
1241 | case BYTECODE_OP_LOAD_FIELD_REF_DOUBLE: |
1242 | case BYTECODE_OP_GET_CONTEXT_REF_DOUBLE: | |
97b58163 | 1243 | { |
0305960f MD |
1244 | if (vstack_push(stack)) { |
1245 | ret = -EINVAL; | |
1246 | goto end; | |
1247 | } | |
1248 | vstack_ax(stack)->type = REG_DOUBLE; | |
97b58163 MD |
1249 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1250 | break; | |
1251 | } | |
1252 | ||
77aa5901 | 1253 | /* load from immediate operand */ |
04aa13f8 | 1254 | case BYTECODE_OP_LOAD_STRING: |
97b58163 MD |
1255 | { |
1256 | struct load_op *insn = (struct load_op *) pc; | |
1257 | ||
0305960f MD |
1258 | if (vstack_push(stack)) { |
1259 | ret = -EINVAL; | |
1260 | goto end; | |
1261 | } | |
1262 | vstack_ax(stack)->type = REG_STRING; | |
97b58163 MD |
1263 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
1264 | break; | |
1265 | } | |
1266 | ||
04aa13f8 | 1267 | case BYTECODE_OP_LOAD_STAR_GLOB_STRING: |
3151a51d PP |
1268 | { |
1269 | struct load_op *insn = (struct load_op *) pc; | |
1270 | ||
1271 | if (vstack_push(stack)) { | |
1272 | ret = -EINVAL; | |
1273 | goto end; | |
1274 | } | |
1275 | vstack_ax(stack)->type = REG_STAR_GLOB_STRING; | |
1276 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
1277 | break; | |
1278 | } | |
1279 | ||
04aa13f8 | 1280 | case BYTECODE_OP_LOAD_S64: |
97b58163 | 1281 | { |
0305960f MD |
1282 | if (vstack_push(stack)) { |
1283 | ret = -EINVAL; | |
1284 | goto end; | |
1285 | } | |
1286 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1287 | next_pc += sizeof(struct load_op) |
1288 | + sizeof(struct literal_numeric); | |
1289 | break; | |
1290 | } | |
1291 | ||
04aa13f8 | 1292 | case BYTECODE_OP_LOAD_DOUBLE: |
97b58163 | 1293 | { |
0305960f MD |
1294 | if (vstack_push(stack)) { |
1295 | ret = -EINVAL; | |
1296 | goto end; | |
1297 | } | |
1298 | vstack_ax(stack)->type = REG_DOUBLE; | |
97b58163 MD |
1299 | next_pc += sizeof(struct load_op) |
1300 | + sizeof(struct literal_double); | |
1301 | break; | |
1302 | } | |
1303 | ||
1304 | /* cast */ | |
04aa13f8 | 1305 | case BYTECODE_OP_CAST_TO_S64: |
97b58163 MD |
1306 | { |
1307 | struct cast_op *insn = (struct cast_op *) pc; | |
1308 | ||
0305960f | 1309 | switch (vstack_ax(stack)->type) { |
97b58163 MD |
1310 | default: |
1311 | ERR("unknown register type\n"); | |
1312 | ret = -EINVAL; | |
1313 | goto end; | |
1314 | ||
1315 | case REG_STRING: | |
3151a51d | 1316 | case REG_STAR_GLOB_STRING: |
97b58163 MD |
1317 | ERR("Cast op can only be applied to numeric or floating point registers\n"); |
1318 | ret = -EINVAL; | |
1319 | goto end; | |
1320 | case REG_S64: | |
04aa13f8 | 1321 | insn->op = BYTECODE_OP_CAST_NOP; |
97b58163 MD |
1322 | break; |
1323 | case REG_DOUBLE: | |
04aa13f8 | 1324 | insn->op = BYTECODE_OP_CAST_DOUBLE_TO_S64; |
97b58163 | 1325 | break; |
53569322 | 1326 | case REG_UNKNOWN: |
d97f9b78 | 1327 | case REG_U64: |
53569322 | 1328 | break; |
97b58163 | 1329 | } |
0305960f MD |
1330 | /* Pop 1, push 1 */ |
1331 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1332 | next_pc += sizeof(struct cast_op); |
1333 | break; | |
1334 | } | |
04aa13f8 | 1335 | case BYTECODE_OP_CAST_DOUBLE_TO_S64: |
97b58163 | 1336 | { |
0305960f MD |
1337 | /* Pop 1, push 1 */ |
1338 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1339 | next_pc += sizeof(struct cast_op); |
1340 | break; | |
1341 | } | |
04aa13f8 | 1342 | case BYTECODE_OP_CAST_NOP: |
97b58163 MD |
1343 | { |
1344 | next_pc += sizeof(struct cast_op); | |
1345 | break; | |
1346 | } | |
1347 | ||
47e5f13e MD |
1348 | /* |
1349 | * Instructions for recursive traversal through composed types. | |
1350 | */ | |
04aa13f8 | 1351 | case BYTECODE_OP_GET_CONTEXT_ROOT: |
47e5f13e MD |
1352 | { |
1353 | if (vstack_push(stack)) { | |
1354 | ret = -EINVAL; | |
1355 | goto end; | |
1356 | } | |
1357 | vstack_ax(stack)->type = REG_PTR; | |
1358 | vstack_ax(stack)->load.type = LOAD_ROOT_CONTEXT; | |
1359 | next_pc += sizeof(struct load_op); | |
1360 | break; | |
1361 | } | |
04aa13f8 | 1362 | case BYTECODE_OP_GET_APP_CONTEXT_ROOT: |
47e5f13e MD |
1363 | { |
1364 | if (vstack_push(stack)) { | |
1365 | ret = -EINVAL; | |
1366 | goto end; | |
1367 | } | |
1368 | vstack_ax(stack)->type = REG_PTR; | |
1369 | vstack_ax(stack)->load.type = LOAD_ROOT_APP_CONTEXT; | |
1370 | next_pc += sizeof(struct load_op); | |
1371 | break; | |
1372 | } | |
04aa13f8 | 1373 | case BYTECODE_OP_GET_PAYLOAD_ROOT: |
47e5f13e MD |
1374 | { |
1375 | if (vstack_push(stack)) { | |
1376 | ret = -EINVAL; | |
1377 | goto end; | |
1378 | } | |
1379 | vstack_ax(stack)->type = REG_PTR; | |
1380 | vstack_ax(stack)->load.type = LOAD_ROOT_PAYLOAD; | |
1381 | next_pc += sizeof(struct load_op); | |
1382 | break; | |
1383 | } | |
1384 | ||
04aa13f8 | 1385 | case BYTECODE_OP_LOAD_FIELD: |
47e5f13e MD |
1386 | { |
1387 | struct load_op *insn = (struct load_op *) pc; | |
1388 | ||
1389 | assert(vstack_ax(stack)->type == REG_PTR); | |
1390 | /* Pop 1, push 1 */ | |
1391 | ret = specialize_load_field(vstack_ax(stack), insn); | |
1392 | if (ret) | |
1393 | goto end; | |
1394 | ||
1395 | next_pc += sizeof(struct load_op); | |
1396 | break; | |
1397 | } | |
1398 | ||
04aa13f8 FD |
1399 | case BYTECODE_OP_LOAD_FIELD_S8: |
1400 | case BYTECODE_OP_LOAD_FIELD_S16: | |
1401 | case BYTECODE_OP_LOAD_FIELD_S32: | |
1402 | case BYTECODE_OP_LOAD_FIELD_S64: | |
d97f9b78 MD |
1403 | { |
1404 | /* Pop 1, push 1 */ | |
1405 | vstack_ax(stack)->type = REG_S64; | |
1406 | next_pc += sizeof(struct load_op); | |
1407 | break; | |
1408 | } | |
1409 | ||
04aa13f8 FD |
1410 | case BYTECODE_OP_LOAD_FIELD_U8: |
1411 | case BYTECODE_OP_LOAD_FIELD_U16: | |
1412 | case BYTECODE_OP_LOAD_FIELD_U32: | |
1413 | case BYTECODE_OP_LOAD_FIELD_U64: | |
47e5f13e MD |
1414 | { |
1415 | /* Pop 1, push 1 */ | |
d97f9b78 | 1416 | vstack_ax(stack)->type = REG_U64; |
47e5f13e MD |
1417 | next_pc += sizeof(struct load_op); |
1418 | break; | |
1419 | } | |
1420 | ||
04aa13f8 FD |
1421 | case BYTECODE_OP_LOAD_FIELD_STRING: |
1422 | case BYTECODE_OP_LOAD_FIELD_SEQUENCE: | |
47e5f13e MD |
1423 | { |
1424 | /* Pop 1, push 1 */ | |
1425 | vstack_ax(stack)->type = REG_STRING; | |
1426 | next_pc += sizeof(struct load_op); | |
1427 | break; | |
1428 | } | |
1429 | ||
04aa13f8 | 1430 | case BYTECODE_OP_LOAD_FIELD_DOUBLE: |
47e5f13e MD |
1431 | { |
1432 | /* Pop 1, push 1 */ | |
1433 | vstack_ax(stack)->type = REG_DOUBLE; | |
1434 | next_pc += sizeof(struct load_op); | |
1435 | break; | |
1436 | } | |
1437 | ||
04aa13f8 | 1438 | case BYTECODE_OP_GET_SYMBOL: |
47e5f13e MD |
1439 | { |
1440 | struct load_op *insn = (struct load_op *) pc; | |
1441 | ||
1442 | dbg_printf("op get symbol\n"); | |
1443 | switch (vstack_ax(stack)->load.type) { | |
1444 | case LOAD_OBJECT: | |
1445 | ERR("Nested fields not implemented yet."); | |
1446 | ret = -EINVAL; | |
1447 | goto end; | |
1448 | case LOAD_ROOT_CONTEXT: | |
1449 | /* Lookup context field. */ | |
b77aaa1b | 1450 | ret = specialize_context_lookup(*pctx, |
47e5f13e MD |
1451 | bytecode, insn, |
1452 | &vstack_ax(stack)->load); | |
1453 | if (ret) | |
1454 | goto end; | |
1455 | break; | |
1456 | case LOAD_ROOT_APP_CONTEXT: | |
1457 | /* Lookup app context field. */ | |
b77aaa1b | 1458 | ret = specialize_app_context_lookup(pctx, |
47e5f13e MD |
1459 | bytecode, insn, |
1460 | &vstack_ax(stack)->load); | |
1461 | if (ret) | |
1462 | goto end; | |
1463 | break; | |
1464 | case LOAD_ROOT_PAYLOAD: | |
1465 | /* Lookup event payload field. */ | |
53b9d7db | 1466 | ret = specialize_payload_lookup(event_desc, |
47e5f13e MD |
1467 | bytecode, insn, |
1468 | &vstack_ax(stack)->load); | |
1469 | if (ret) | |
1470 | goto end; | |
1471 | break; | |
1472 | } | |
1473 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
1474 | break; | |
1475 | } | |
1476 | ||
04aa13f8 | 1477 | case BYTECODE_OP_GET_SYMBOL_FIELD: |
47e5f13e MD |
1478 | { |
1479 | /* Always generated by specialize phase. */ | |
1480 | ret = -EINVAL; | |
1481 | goto end; | |
1482 | } | |
1483 | ||
04aa13f8 | 1484 | case BYTECODE_OP_GET_INDEX_U16: |
47e5f13e MD |
1485 | { |
1486 | struct load_op *insn = (struct load_op *) pc; | |
1487 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
1488 | ||
1489 | dbg_printf("op get index u16\n"); | |
1490 | /* Pop 1, push 1 */ | |
1491 | ret = specialize_get_index(bytecode, insn, index->index, | |
1492 | vstack_ax(stack), sizeof(*index)); | |
1493 | if (ret) | |
1494 | goto end; | |
1495 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
1496 | break; | |
1497 | } | |
1498 | ||
04aa13f8 | 1499 | case BYTECODE_OP_GET_INDEX_U64: |
47e5f13e MD |
1500 | { |
1501 | struct load_op *insn = (struct load_op *) pc; | |
1502 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
1503 | ||
1504 | dbg_printf("op get index u64\n"); | |
1505 | /* Pop 1, push 1 */ | |
1506 | ret = specialize_get_index(bytecode, insn, index->index, | |
1507 | vstack_ax(stack), sizeof(*index)); | |
1508 | if (ret) | |
1509 | goto end; | |
1510 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
1511 | break; | |
1512 | } | |
1513 | ||
97b58163 MD |
1514 | } |
1515 | } | |
1516 | end: | |
1517 | return ret; | |
1518 | } |