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 | |
47e5f13e | 13 | #include <lttng/align.h> |
fc80554e MJ |
14 | |
15 | #include "context-internal.h" | |
16 | #include "lttng-bytecode.h" | |
92495593 | 17 | #include "ust-events-internal.h" |
97b58163 | 18 | |
47e5f13e MD |
19 | static int lttng_fls(int val) |
20 | { | |
21 | int r = 32; | |
22 | unsigned int x = (unsigned int) val; | |
23 | ||
24 | if (!x) | |
25 | return 0; | |
26 | if (!(x & 0xFFFF0000U)) { | |
27 | x <<= 16; | |
28 | r -= 16; | |
29 | } | |
30 | if (!(x & 0xFF000000U)) { | |
31 | x <<= 8; | |
32 | r -= 8; | |
33 | } | |
34 | if (!(x & 0xF0000000U)) { | |
35 | x <<= 4; | |
36 | r -= 4; | |
37 | } | |
38 | if (!(x & 0xC0000000U)) { | |
39 | x <<= 2; | |
40 | r -= 2; | |
41 | } | |
42 | if (!(x & 0x80000000U)) { | |
43 | r -= 1; | |
44 | } | |
45 | return r; | |
46 | } | |
47 | ||
48 | static int get_count_order(unsigned int count) | |
49 | { | |
50 | int order; | |
51 | ||
52 | order = lttng_fls(count) - 1; | |
53 | if (count & (count - 1)) | |
54 | order++; | |
55 | return order; | |
56 | } | |
57 | ||
58 | static ssize_t bytecode_reserve_data(struct bytecode_runtime *runtime, | |
59 | size_t align, size_t len) | |
60 | { | |
61 | ssize_t ret; | |
b72687b8 | 62 | size_t padding = lttng_ust_offset_align(runtime->data_len, align); |
47e5f13e MD |
63 | size_t new_len = runtime->data_len + padding + len; |
64 | size_t new_alloc_len = new_len; | |
65 | size_t old_alloc_len = runtime->data_alloc_len; | |
66 | ||
04aa13f8 | 67 | if (new_len > BYTECODE_MAX_DATA_LEN) |
47e5f13e MD |
68 | return -EINVAL; |
69 | ||
70 | if (new_alloc_len > old_alloc_len) { | |
71 | char *newptr; | |
72 | ||
73 | new_alloc_len = | |
74 | max_t(size_t, 1U << get_count_order(new_alloc_len), old_alloc_len << 1); | |
75 | newptr = realloc(runtime->data, new_alloc_len); | |
76 | if (!newptr) | |
77 | return -ENOMEM; | |
78 | runtime->data = newptr; | |
79 | /* We zero directly the memory from start of allocation. */ | |
80 | memset(&runtime->data[old_alloc_len], 0, new_alloc_len - old_alloc_len); | |
81 | runtime->data_alloc_len = new_alloc_len; | |
82 | } | |
83 | runtime->data_len += padding; | |
84 | ret = runtime->data_len; | |
85 | runtime->data_len += len; | |
86 | return ret; | |
87 | } | |
88 | ||
89 | static ssize_t bytecode_push_data(struct bytecode_runtime *runtime, | |
90 | const void *p, size_t align, size_t len) | |
91 | { | |
92 | ssize_t offset; | |
93 | ||
94 | offset = bytecode_reserve_data(runtime, align, len); | |
95 | if (offset < 0) | |
96 | return -ENOMEM; | |
97 | memcpy(&runtime->data[offset], p, len); | |
98 | return offset; | |
99 | } | |
100 | ||
101 | static int specialize_load_field(struct vstack_entry *stack_top, | |
102 | struct load_op *insn) | |
103 | { | |
104 | int ret; | |
105 | ||
106 | switch (stack_top->load.type) { | |
107 | case LOAD_OBJECT: | |
108 | break; | |
109 | case LOAD_ROOT_CONTEXT: | |
110 | case LOAD_ROOT_APP_CONTEXT: | |
111 | case LOAD_ROOT_PAYLOAD: | |
112 | default: | |
04aa13f8 | 113 | dbg_printf("Bytecode warning: cannot load root, missing field name.\n"); |
47e5f13e MD |
114 | ret = -EINVAL; |
115 | goto end; | |
116 | } | |
117 | switch (stack_top->load.object_type) { | |
118 | case OBJECT_TYPE_S8: | |
119 | dbg_printf("op load field s8\n"); | |
120 | stack_top->type = REG_S64; | |
121 | if (!stack_top->load.rev_bo) | |
04aa13f8 | 122 | insn->op = BYTECODE_OP_LOAD_FIELD_S8; |
47e5f13e MD |
123 | break; |
124 | case OBJECT_TYPE_S16: | |
125 | dbg_printf("op load field s16\n"); | |
126 | stack_top->type = REG_S64; | |
127 | if (!stack_top->load.rev_bo) | |
04aa13f8 | 128 | insn->op = BYTECODE_OP_LOAD_FIELD_S16; |
47e5f13e MD |
129 | break; |
130 | case OBJECT_TYPE_S32: | |
131 | dbg_printf("op load field s32\n"); | |
132 | stack_top->type = REG_S64; | |
133 | if (!stack_top->load.rev_bo) | |
04aa13f8 | 134 | insn->op = BYTECODE_OP_LOAD_FIELD_S32; |
47e5f13e MD |
135 | break; |
136 | case OBJECT_TYPE_S64: | |
137 | dbg_printf("op load field s64\n"); | |
138 | stack_top->type = REG_S64; | |
139 | if (!stack_top->load.rev_bo) | |
04aa13f8 | 140 | insn->op = BYTECODE_OP_LOAD_FIELD_S64; |
47e5f13e | 141 | break; |
70f9f7f9 FD |
142 | case OBJECT_TYPE_SIGNED_ENUM: |
143 | dbg_printf("op load field signed enumeration\n"); | |
144 | stack_top->type = REG_PTR; | |
145 | break; | |
47e5f13e MD |
146 | case OBJECT_TYPE_U8: |
147 | dbg_printf("op load field u8\n"); | |
d97f9b78 | 148 | stack_top->type = REG_U64; |
04aa13f8 | 149 | insn->op = BYTECODE_OP_LOAD_FIELD_U8; |
47e5f13e MD |
150 | break; |
151 | case OBJECT_TYPE_U16: | |
152 | dbg_printf("op load field u16\n"); | |
d97f9b78 | 153 | stack_top->type = REG_U64; |
47e5f13e | 154 | if (!stack_top->load.rev_bo) |
04aa13f8 | 155 | insn->op = BYTECODE_OP_LOAD_FIELD_U16; |
47e5f13e MD |
156 | break; |
157 | case OBJECT_TYPE_U32: | |
158 | dbg_printf("op load field u32\n"); | |
d97f9b78 | 159 | stack_top->type = REG_U64; |
47e5f13e | 160 | if (!stack_top->load.rev_bo) |
04aa13f8 | 161 | insn->op = BYTECODE_OP_LOAD_FIELD_U32; |
47e5f13e MD |
162 | break; |
163 | case OBJECT_TYPE_U64: | |
164 | dbg_printf("op load field u64\n"); | |
d97f9b78 | 165 | stack_top->type = REG_U64; |
47e5f13e | 166 | if (!stack_top->load.rev_bo) |
04aa13f8 | 167 | insn->op = BYTECODE_OP_LOAD_FIELD_U64; |
47e5f13e | 168 | break; |
70f9f7f9 FD |
169 | case OBJECT_TYPE_UNSIGNED_ENUM: |
170 | dbg_printf("op load field unsigned enumeration\n"); | |
171 | stack_top->type = REG_PTR; | |
172 | break; | |
47e5f13e MD |
173 | case OBJECT_TYPE_DOUBLE: |
174 | stack_top->type = REG_DOUBLE; | |
04aa13f8 | 175 | insn->op = BYTECODE_OP_LOAD_FIELD_DOUBLE; |
47e5f13e MD |
176 | break; |
177 | case OBJECT_TYPE_STRING: | |
178 | dbg_printf("op load field string\n"); | |
179 | stack_top->type = REG_STRING; | |
04aa13f8 | 180 | insn->op = BYTECODE_OP_LOAD_FIELD_STRING; |
47e5f13e MD |
181 | break; |
182 | case OBJECT_TYPE_STRING_SEQUENCE: | |
183 | dbg_printf("op load field string sequence\n"); | |
184 | stack_top->type = REG_STRING; | |
04aa13f8 | 185 | insn->op = BYTECODE_OP_LOAD_FIELD_SEQUENCE; |
47e5f13e MD |
186 | break; |
187 | case OBJECT_TYPE_DYNAMIC: | |
188 | dbg_printf("op load field dynamic\n"); | |
189 | stack_top->type = REG_UNKNOWN; | |
190 | /* Don't specialize load op. */ | |
191 | break; | |
192 | case OBJECT_TYPE_SEQUENCE: | |
193 | case OBJECT_TYPE_ARRAY: | |
194 | case OBJECT_TYPE_STRUCT: | |
195 | case OBJECT_TYPE_VARIANT: | |
196 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
197 | ret = -EINVAL; | |
198 | goto end; | |
199 | } | |
200 | return 0; | |
201 | ||
202 | end: | |
203 | return ret; | |
204 | } | |
205 | ||
206 | static int specialize_get_index_object_type(enum object_type *otype, | |
207 | int signedness, uint32_t elem_len) | |
208 | { | |
209 | switch (elem_len) { | |
210 | case 8: | |
211 | if (signedness) | |
212 | *otype = OBJECT_TYPE_S8; | |
213 | else | |
214 | *otype = OBJECT_TYPE_U8; | |
215 | break; | |
216 | case 16: | |
217 | if (signedness) | |
218 | *otype = OBJECT_TYPE_S16; | |
219 | else | |
220 | *otype = OBJECT_TYPE_U16; | |
221 | break; | |
222 | case 32: | |
223 | if (signedness) | |
224 | *otype = OBJECT_TYPE_S32; | |
225 | else | |
226 | *otype = OBJECT_TYPE_U32; | |
227 | break; | |
228 | case 64: | |
229 | if (signedness) | |
230 | *otype = OBJECT_TYPE_S64; | |
231 | else | |
232 | *otype = OBJECT_TYPE_U64; | |
233 | break; | |
234 | default: | |
235 | return -EINVAL; | |
236 | } | |
237 | return 0; | |
238 | } | |
239 | ||
240 | static int specialize_get_index(struct bytecode_runtime *runtime, | |
241 | struct load_op *insn, uint64_t index, | |
242 | struct vstack_entry *stack_top, | |
243 | int idx_len) | |
244 | { | |
245 | int ret; | |
04aa13f8 | 246 | struct bytecode_get_index_data gid; |
47e5f13e MD |
247 | ssize_t data_offset; |
248 | ||
249 | memset(&gid, 0, sizeof(gid)); | |
250 | switch (stack_top->load.type) { | |
251 | case LOAD_OBJECT: | |
252 | switch (stack_top->load.object_type) { | |
253 | case OBJECT_TYPE_ARRAY: | |
254 | { | |
218deb69 | 255 | const struct lttng_integer_type *integer_type; |
47e5f13e MD |
256 | const struct lttng_event_field *field; |
257 | uint32_t elem_len, num_elems; | |
258 | int signedness; | |
259 | ||
260 | field = stack_top->load.field; | |
218deb69 | 261 | switch (field->type.atype) { |
218deb69 MD |
262 | case atype_array_nestable: |
263 | if (field->type.u.array_nestable.elem_type->atype != atype_integer) { | |
264 | ret = -EINVAL; | |
265 | goto end; | |
266 | } | |
267 | integer_type = &field->type.u.array_nestable.elem_type->u.integer; | |
268 | num_elems = field->type.u.array_nestable.length; | |
269 | break; | |
270 | default: | |
271 | ret = -EINVAL; | |
272 | goto end; | |
273 | } | |
274 | elem_len = integer_type->size; | |
275 | signedness = integer_type->signedness; | |
47e5f13e MD |
276 | if (index >= num_elems) { |
277 | ret = -EINVAL; | |
278 | goto end; | |
279 | } | |
280 | ret = specialize_get_index_object_type(&stack_top->load.object_type, | |
281 | signedness, elem_len); | |
282 | if (ret) | |
283 | goto end; | |
284 | gid.offset = index * (elem_len / CHAR_BIT); | |
285 | gid.array_len = num_elems * (elem_len / CHAR_BIT); | |
286 | gid.elem.type = stack_top->load.object_type; | |
287 | gid.elem.len = elem_len; | |
218deb69 | 288 | if (integer_type->reverse_byte_order) |
47e5f13e MD |
289 | gid.elem.rev_bo = true; |
290 | stack_top->load.rev_bo = gid.elem.rev_bo; | |
291 | break; | |
292 | } | |
293 | case OBJECT_TYPE_SEQUENCE: | |
294 | { | |
218deb69 | 295 | const struct lttng_integer_type *integer_type; |
47e5f13e MD |
296 | const struct lttng_event_field *field; |
297 | uint32_t elem_len; | |
298 | int signedness; | |
299 | ||
300 | field = stack_top->load.field; | |
218deb69 | 301 | switch (field->type.atype) { |
218deb69 MD |
302 | case atype_sequence_nestable: |
303 | if (field->type.u.sequence_nestable.elem_type->atype != atype_integer) { | |
304 | ret = -EINVAL; | |
305 | goto end; | |
306 | } | |
307 | integer_type = &field->type.u.sequence_nestable.elem_type->u.integer; | |
308 | break; | |
309 | default: | |
310 | ret = -EINVAL; | |
311 | goto end; | |
312 | } | |
313 | elem_len = integer_type->size; | |
314 | signedness = integer_type->signedness; | |
47e5f13e MD |
315 | ret = specialize_get_index_object_type(&stack_top->load.object_type, |
316 | signedness, elem_len); | |
317 | if (ret) | |
318 | goto end; | |
319 | gid.offset = index * (elem_len / CHAR_BIT); | |
320 | gid.elem.type = stack_top->load.object_type; | |
321 | gid.elem.len = elem_len; | |
218deb69 | 322 | if (integer_type->reverse_byte_order) |
47e5f13e MD |
323 | gid.elem.rev_bo = true; |
324 | stack_top->load.rev_bo = gid.elem.rev_bo; | |
325 | break; | |
326 | } | |
327 | case OBJECT_TYPE_STRUCT: | |
328 | /* Only generated by the specialize phase. */ | |
329 | case OBJECT_TYPE_VARIANT: /* Fall-through */ | |
330 | default: | |
331 | ERR("Unexpected get index type %d", | |
332 | (int) stack_top->load.object_type); | |
333 | ret = -EINVAL; | |
334 | goto end; | |
335 | } | |
336 | break; | |
337 | case LOAD_ROOT_CONTEXT: | |
338 | case LOAD_ROOT_APP_CONTEXT: | |
339 | case LOAD_ROOT_PAYLOAD: | |
340 | ERR("Index lookup for root field not implemented yet."); | |
341 | ret = -EINVAL; | |
342 | goto end; | |
343 | } | |
344 | data_offset = bytecode_push_data(runtime, &gid, | |
345 | __alignof__(gid), sizeof(gid)); | |
346 | if (data_offset < 0) { | |
347 | ret = -EINVAL; | |
348 | goto end; | |
349 | } | |
350 | switch (idx_len) { | |
351 | case 2: | |
352 | ((struct get_index_u16 *) insn->data)->index = data_offset; | |
353 | break; | |
354 | case 8: | |
355 | ((struct get_index_u64 *) insn->data)->index = data_offset; | |
356 | break; | |
357 | default: | |
358 | ret = -EINVAL; | |
359 | goto end; | |
360 | } | |
361 | ||
362 | return 0; | |
363 | ||
364 | end: | |
365 | return ret; | |
366 | } | |
367 | ||
368 | static int specialize_context_lookup_name(struct lttng_ctx *ctx, | |
369 | struct bytecode_runtime *bytecode, | |
370 | struct load_op *insn) | |
371 | { | |
372 | uint16_t offset; | |
373 | const char *name; | |
374 | ||
375 | offset = ((struct get_symbol *) insn->data)->offset; | |
362a65de | 376 | name = bytecode->p.priv->bc->bc.data + bytecode->p.priv->bc->bc.reloc_offset + offset; |
47e5f13e MD |
377 | return lttng_get_context_index(ctx, name); |
378 | } | |
379 | ||
380 | static int specialize_load_object(const struct lttng_event_field *field, | |
381 | struct vstack_load *load, bool is_context) | |
382 | { | |
383 | load->type = LOAD_OBJECT; | |
d97f9b78 | 384 | |
47e5f13e MD |
385 | switch (field->type.atype) { |
386 | case atype_integer: | |
218deb69 | 387 | if (field->type.u.integer.signedness) |
47e5f13e MD |
388 | load->object_type = OBJECT_TYPE_S64; |
389 | else | |
390 | load->object_type = OBJECT_TYPE_U64; | |
391 | load->rev_bo = false; | |
392 | break; | |
218deb69 | 393 | case atype_enum_nestable: |
47e5f13e | 394 | { |
218deb69 | 395 | const struct lttng_integer_type *itype; |
47e5f13e | 396 | |
8c3470ea | 397 | itype = &field->type.u.enum_nestable.container_type->u.integer; |
47e5f13e | 398 | if (itype->signedness) |
70f9f7f9 | 399 | load->object_type = OBJECT_TYPE_SIGNED_ENUM; |
47e5f13e | 400 | else |
70f9f7f9 | 401 | load->object_type = OBJECT_TYPE_UNSIGNED_ENUM; |
47e5f13e MD |
402 | load->rev_bo = false; |
403 | break; | |
404 | } | |
218deb69 MD |
405 | case atype_array_nestable: |
406 | if (field->type.u.array_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
407 | ERR("Array nesting only supports integer types."); |
408 | return -EINVAL; | |
409 | } | |
410 | if (is_context) { | |
411 | load->object_type = OBJECT_TYPE_STRING; | |
412 | } else { | |
218deb69 | 413 | if (field->type.u.array_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
414 | load->object_type = OBJECT_TYPE_ARRAY; |
415 | load->field = field; | |
416 | } else { | |
417 | load->object_type = OBJECT_TYPE_STRING_SEQUENCE; | |
418 | } | |
419 | } | |
420 | break; | |
218deb69 MD |
421 | case atype_sequence_nestable: |
422 | if (field->type.u.sequence_nestable.elem_type->atype != atype_integer) { | |
47e5f13e MD |
423 | ERR("Sequence nesting only supports integer types."); |
424 | return -EINVAL; | |
425 | } | |
426 | if (is_context) { | |
427 | load->object_type = OBJECT_TYPE_STRING; | |
428 | } else { | |
218deb69 | 429 | if (field->type.u.sequence_nestable.elem_type->u.integer.encoding == lttng_encode_none) { |
47e5f13e MD |
430 | load->object_type = OBJECT_TYPE_SEQUENCE; |
431 | load->field = field; | |
432 | } else { | |
433 | load->object_type = OBJECT_TYPE_STRING_SEQUENCE; | |
434 | } | |
435 | } | |
436 | break; | |
218deb69 | 437 | |
47e5f13e MD |
438 | case atype_string: |
439 | load->object_type = OBJECT_TYPE_STRING; | |
440 | break; | |
441 | case atype_float: | |
442 | load->object_type = OBJECT_TYPE_DOUBLE; | |
443 | break; | |
444 | case atype_dynamic: | |
445 | load->object_type = OBJECT_TYPE_DYNAMIC; | |
8d3190bd | 446 | break; |
47e5f13e MD |
447 | default: |
448 | ERR("Unknown type: %d", (int) field->type.atype); | |
449 | return -EINVAL; | |
450 | } | |
451 | return 0; | |
452 | } | |
453 | ||
b77aaa1b | 454 | static int specialize_context_lookup(struct lttng_ctx *ctx, |
47e5f13e MD |
455 | struct bytecode_runtime *runtime, |
456 | struct load_op *insn, | |
457 | struct vstack_load *load) | |
458 | { | |
459 | int idx, ret; | |
460 | struct lttng_ctx_field *ctx_field; | |
461 | struct lttng_event_field *field; | |
04aa13f8 | 462 | struct bytecode_get_index_data gid; |
47e5f13e MD |
463 | ssize_t data_offset; |
464 | ||
b77aaa1b | 465 | idx = specialize_context_lookup_name(ctx, runtime, insn); |
47e5f13e MD |
466 | if (idx < 0) { |
467 | return -ENOENT; | |
468 | } | |
b77aaa1b | 469 | ctx_field = &ctx->fields[idx]; |
47e5f13e MD |
470 | field = &ctx_field->event_field; |
471 | ret = specialize_load_object(field, load, true); | |
472 | if (ret) | |
473 | return ret; | |
474 | /* Specialize each get_symbol into a get_index. */ | |
04aa13f8 | 475 | insn->op = BYTECODE_OP_GET_INDEX_U16; |
47e5f13e MD |
476 | memset(&gid, 0, sizeof(gid)); |
477 | gid.ctx_index = idx; | |
478 | gid.elem.type = load->object_type; | |
6bbd9df3 | 479 | gid.elem.rev_bo = load->rev_bo; |
f3503ba9 | 480 | gid.field = field; |
47e5f13e MD |
481 | data_offset = bytecode_push_data(runtime, &gid, |
482 | __alignof__(gid), sizeof(gid)); | |
483 | if (data_offset < 0) { | |
484 | return -EINVAL; | |
485 | } | |
486 | ((struct get_index_u16 *) insn->data)->index = data_offset; | |
487 | return 0; | |
488 | } | |
489 | ||
b77aaa1b | 490 | static int specialize_app_context_lookup(struct lttng_ctx **pctx, |
47e5f13e MD |
491 | struct bytecode_runtime *runtime, |
492 | struct load_op *insn, | |
493 | struct vstack_load *load) | |
494 | { | |
495 | uint16_t offset; | |
496 | const char *orig_name; | |
497 | char *name = NULL; | |
498 | int idx, ret; | |
499 | struct lttng_ctx_field *ctx_field; | |
500 | struct lttng_event_field *field; | |
04aa13f8 | 501 | struct bytecode_get_index_data gid; |
47e5f13e MD |
502 | ssize_t data_offset; |
503 | ||
504 | offset = ((struct get_symbol *) insn->data)->offset; | |
362a65de | 505 | orig_name = runtime->p.priv->bc->bc.data + runtime->p.priv->bc->bc.reloc_offset + offset; |
47e5f13e MD |
506 | name = zmalloc(strlen(orig_name) + strlen("$app.") + 1); |
507 | if (!name) { | |
508 | ret = -ENOMEM; | |
509 | goto end; | |
510 | } | |
511 | strcpy(name, "$app."); | |
512 | strcat(name, orig_name); | |
b77aaa1b | 513 | idx = lttng_get_context_index(*pctx, name); |
47e5f13e MD |
514 | if (idx < 0) { |
515 | assert(lttng_context_is_app(name)); | |
516 | ret = lttng_ust_add_app_context_to_ctx_rcu(name, | |
b77aaa1b | 517 | pctx); |
47e5f13e MD |
518 | if (ret) |
519 | return ret; | |
b77aaa1b | 520 | idx = lttng_get_context_index(*pctx, name); |
47e5f13e MD |
521 | if (idx < 0) |
522 | return -ENOENT; | |
523 | } | |
b77aaa1b | 524 | ctx_field = &(*pctx)->fields[idx]; |
47e5f13e MD |
525 | field = &ctx_field->event_field; |
526 | ret = specialize_load_object(field, load, true); | |
527 | if (ret) | |
528 | goto end; | |
529 | /* Specialize each get_symbol into a get_index. */ | |
04aa13f8 | 530 | insn->op = BYTECODE_OP_GET_INDEX_U16; |
47e5f13e MD |
531 | memset(&gid, 0, sizeof(gid)); |
532 | gid.ctx_index = idx; | |
533 | gid.elem.type = load->object_type; | |
6bbd9df3 | 534 | gid.elem.rev_bo = load->rev_bo; |
f3503ba9 | 535 | gid.field = field; |
47e5f13e MD |
536 | data_offset = bytecode_push_data(runtime, &gid, |
537 | __alignof__(gid), sizeof(gid)); | |
538 | if (data_offset < 0) { | |
539 | ret = -EINVAL; | |
540 | goto end; | |
541 | } | |
542 | ((struct get_index_u16 *) insn->data)->index = data_offset; | |
543 | ret = 0; | |
544 | end: | |
545 | free(name); | |
546 | return ret; | |
547 | } | |
548 | ||
53b9d7db | 549 | static int specialize_payload_lookup(const struct lttng_event_desc *event_desc, |
47e5f13e MD |
550 | struct bytecode_runtime *runtime, |
551 | struct load_op *insn, | |
552 | struct vstack_load *load) | |
553 | { | |
554 | const char *name; | |
555 | uint16_t offset; | |
47e5f13e MD |
556 | unsigned int i, nr_fields; |
557 | bool found = false; | |
558 | uint32_t field_offset = 0; | |
559 | const struct lttng_event_field *field; | |
560 | int ret; | |
04aa13f8 | 561 | struct bytecode_get_index_data gid; |
47e5f13e MD |
562 | ssize_t data_offset; |
563 | ||
53b9d7db | 564 | nr_fields = event_desc->nr_fields; |
47e5f13e | 565 | offset = ((struct get_symbol *) insn->data)->offset; |
362a65de | 566 | name = runtime->p.priv->bc->bc.data + runtime->p.priv->bc->bc.reloc_offset + offset; |
47e5f13e | 567 | for (i = 0; i < nr_fields; i++) { |
53b9d7db | 568 | field = &event_desc->fields[i]; |
218deb69 MD |
569 | if (field->u.ext.nofilter) { |
570 | continue; | |
571 | } | |
47e5f13e MD |
572 | if (!strcmp(field->name, name)) { |
573 | found = true; | |
574 | break; | |
575 | } | |
576 | /* compute field offset on stack */ | |
577 | switch (field->type.atype) { | |
578 | case atype_integer: | |
218deb69 | 579 | case atype_enum_nestable: |
47e5f13e MD |
580 | field_offset += sizeof(int64_t); |
581 | break; | |
218deb69 | 582 | case atype_array_nestable: |
218deb69 | 583 | case atype_sequence_nestable: |
47e5f13e MD |
584 | field_offset += sizeof(unsigned long); |
585 | field_offset += sizeof(void *); | |
586 | break; | |
587 | case atype_string: | |
588 | field_offset += sizeof(void *); | |
589 | break; | |
590 | case atype_float: | |
591 | field_offset += sizeof(double); | |
592 | break; | |
593 | default: | |
594 | ret = -EINVAL; | |
595 | goto end; | |
596 | } | |
597 | } | |
598 | if (!found) { | |
599 | ret = -EINVAL; | |
600 | goto end; | |
601 | } | |
602 | ||
603 | ret = specialize_load_object(field, load, false); | |
604 | if (ret) | |
605 | goto end; | |
606 | ||
607 | /* Specialize each get_symbol into a get_index. */ | |
04aa13f8 | 608 | insn->op = BYTECODE_OP_GET_INDEX_U16; |
47e5f13e MD |
609 | memset(&gid, 0, sizeof(gid)); |
610 | gid.offset = field_offset; | |
611 | gid.elem.type = load->object_type; | |
6bbd9df3 | 612 | gid.elem.rev_bo = load->rev_bo; |
f3503ba9 | 613 | gid.field = field; |
47e5f13e MD |
614 | data_offset = bytecode_push_data(runtime, &gid, |
615 | __alignof__(gid), sizeof(gid)); | |
616 | if (data_offset < 0) { | |
617 | ret = -EINVAL; | |
618 | goto end; | |
619 | } | |
620 | ((struct get_index_u16 *) insn->data)->index = data_offset; | |
621 | ret = 0; | |
622 | end: | |
623 | return ret; | |
624 | } | |
625 | ||
04aa13f8 | 626 | int lttng_bytecode_specialize(const struct lttng_event_desc *event_desc, |
47e5f13e | 627 | struct bytecode_runtime *bytecode) |
97b58163 MD |
628 | { |
629 | void *pc, *next_pc, *start_pc; | |
630 | int ret = -EINVAL; | |
0305960f MD |
631 | struct vstack _stack; |
632 | struct vstack *stack = &_stack; | |
362a65de | 633 | struct lttng_ctx **pctx = bytecode->p.priv->pctx; |
97b58163 | 634 | |
0305960f | 635 | vstack_init(stack); |
97b58163 | 636 | |
47e5f13e | 637 | start_pc = &bytecode->code[0]; |
97b58163 MD |
638 | for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; |
639 | pc = next_pc) { | |
04aa13f8 FD |
640 | switch (*(bytecode_opcode_t *) pc) { |
641 | case BYTECODE_OP_UNKNOWN: | |
97b58163 MD |
642 | default: |
643 | ERR("unknown bytecode op %u\n", | |
04aa13f8 | 644 | (unsigned int) *(bytecode_opcode_t *) pc); |
97b58163 MD |
645 | ret = -EINVAL; |
646 | goto end; | |
647 | ||
04aa13f8 | 648 | case BYTECODE_OP_RETURN: |
d97f9b78 MD |
649 | if (vstack_ax(stack)->type == REG_S64 || |
650 | vstack_ax(stack)->type == REG_U64) | |
04aa13f8 | 651 | *(bytecode_opcode_t *) pc = BYTECODE_OP_RETURN_S64; |
93c591bb MD |
652 | ret = 0; |
653 | goto end; | |
654 | ||
04aa13f8 | 655 | case BYTECODE_OP_RETURN_S64: |
d97f9b78 MD |
656 | if (vstack_ax(stack)->type != REG_S64 && |
657 | vstack_ax(stack)->type != REG_U64) { | |
93c591bb MD |
658 | ERR("Unexpected register type\n"); |
659 | ret = -EINVAL; | |
660 | goto end; | |
661 | } | |
97b58163 MD |
662 | ret = 0; |
663 | goto end; | |
664 | ||
665 | /* binary */ | |
04aa13f8 FD |
666 | case BYTECODE_OP_MUL: |
667 | case BYTECODE_OP_DIV: | |
668 | case BYTECODE_OP_MOD: | |
669 | case BYTECODE_OP_PLUS: | |
670 | case BYTECODE_OP_MINUS: | |
97b58163 | 671 | ERR("unsupported bytecode op %u\n", |
04aa13f8 | 672 | (unsigned int) *(bytecode_opcode_t *) pc); |
97b58163 MD |
673 | ret = -EINVAL; |
674 | goto end; | |
675 | ||
04aa13f8 | 676 | case BYTECODE_OP_EQ: |
97b58163 MD |
677 | { |
678 | struct binary_op *insn = (struct binary_op *) pc; | |
679 | ||
0305960f | 680 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
681 | default: |
682 | ERR("unknown register type\n"); | |
683 | ret = -EINVAL; | |
684 | goto end; | |
685 | ||
686 | case REG_STRING: | |
53569322 MD |
687 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
688 | break; | |
3151a51d | 689 | if (vstack_bx(stack)->type == REG_STAR_GLOB_STRING) |
04aa13f8 | 690 | insn->op = BYTECODE_OP_EQ_STAR_GLOB_STRING; |
3151a51d | 691 | else |
04aa13f8 | 692 | insn->op = BYTECODE_OP_EQ_STRING; |
3151a51d PP |
693 | break; |
694 | case REG_STAR_GLOB_STRING: | |
695 | if (vstack_bx(stack)->type == REG_UNKNOWN) | |
696 | break; | |
04aa13f8 | 697 | insn->op = BYTECODE_OP_EQ_STAR_GLOB_STRING; |
97b58163 MD |
698 | break; |
699 | case REG_S64: | |
d97f9b78 | 700 | case REG_U64: |
53569322 MD |
701 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
702 | break; | |
d97f9b78 MD |
703 | if (vstack_bx(stack)->type == REG_S64 || |
704 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 705 | insn->op = BYTECODE_OP_EQ_S64; |
97b58163 | 706 | else |
04aa13f8 | 707 | insn->op = BYTECODE_OP_EQ_DOUBLE_S64; |
97b58163 MD |
708 | break; |
709 | case REG_DOUBLE: | |
53569322 MD |
710 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
711 | break; | |
d97f9b78 MD |
712 | if (vstack_bx(stack)->type == REG_S64 || |
713 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 714 | insn->op = BYTECODE_OP_EQ_S64_DOUBLE; |
dbea82ec | 715 | else |
04aa13f8 | 716 | insn->op = BYTECODE_OP_EQ_DOUBLE; |
97b58163 | 717 | break; |
53569322 MD |
718 | case REG_UNKNOWN: |
719 | break; /* Dynamic typing. */ | |
97b58163 | 720 | } |
0305960f MD |
721 | /* Pop 2, push 1 */ |
722 | if (vstack_pop(stack)) { | |
723 | ret = -EINVAL; | |
724 | goto end; | |
725 | } | |
726 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
727 | next_pc += sizeof(struct binary_op); |
728 | break; | |
729 | } | |
730 | ||
04aa13f8 | 731 | case BYTECODE_OP_NE: |
97b58163 MD |
732 | { |
733 | struct binary_op *insn = (struct binary_op *) pc; | |
734 | ||
0305960f | 735 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
736 | default: |
737 | ERR("unknown register type\n"); | |
738 | ret = -EINVAL; | |
739 | goto end; | |
740 | ||
741 | case REG_STRING: | |
53569322 MD |
742 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
743 | break; | |
3151a51d | 744 | if (vstack_bx(stack)->type == REG_STAR_GLOB_STRING) |
04aa13f8 | 745 | insn->op = BYTECODE_OP_NE_STAR_GLOB_STRING; |
3151a51d | 746 | else |
04aa13f8 | 747 | insn->op = BYTECODE_OP_NE_STRING; |
3151a51d PP |
748 | break; |
749 | case REG_STAR_GLOB_STRING: | |
750 | if (vstack_bx(stack)->type == REG_UNKNOWN) | |
751 | break; | |
04aa13f8 | 752 | insn->op = BYTECODE_OP_NE_STAR_GLOB_STRING; |
97b58163 MD |
753 | break; |
754 | case REG_S64: | |
d97f9b78 | 755 | case REG_U64: |
53569322 MD |
756 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
757 | break; | |
d97f9b78 MD |
758 | if (vstack_bx(stack)->type == REG_S64 || |
759 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 760 | insn->op = BYTECODE_OP_NE_S64; |
97b58163 | 761 | else |
04aa13f8 | 762 | insn->op = BYTECODE_OP_NE_DOUBLE_S64; |
97b58163 MD |
763 | break; |
764 | case REG_DOUBLE: | |
53569322 MD |
765 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
766 | break; | |
d97f9b78 MD |
767 | if (vstack_bx(stack)->type == REG_S64 || |
768 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 769 | insn->op = BYTECODE_OP_NE_S64_DOUBLE; |
dbea82ec | 770 | else |
04aa13f8 | 771 | insn->op = BYTECODE_OP_NE_DOUBLE; |
97b58163 | 772 | break; |
53569322 MD |
773 | case REG_UNKNOWN: |
774 | break; /* Dynamic typing. */ | |
97b58163 | 775 | } |
0305960f MD |
776 | /* Pop 2, push 1 */ |
777 | if (vstack_pop(stack)) { | |
778 | ret = -EINVAL; | |
779 | goto end; | |
780 | } | |
781 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
782 | next_pc += sizeof(struct binary_op); |
783 | break; | |
784 | } | |
785 | ||
04aa13f8 | 786 | case BYTECODE_OP_GT: |
97b58163 MD |
787 | { |
788 | struct binary_op *insn = (struct binary_op *) pc; | |
789 | ||
0305960f | 790 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
791 | default: |
792 | ERR("unknown register type\n"); | |
793 | ret = -EINVAL; | |
794 | goto end; | |
795 | ||
3151a51d PP |
796 | case REG_STAR_GLOB_STRING: |
797 | ERR("invalid register type for > binary operator\n"); | |
798 | ret = -EINVAL; | |
799 | goto end; | |
97b58163 | 800 | case REG_STRING: |
53569322 MD |
801 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
802 | break; | |
04aa13f8 | 803 | insn->op = BYTECODE_OP_GT_STRING; |
97b58163 MD |
804 | break; |
805 | case REG_S64: | |
d97f9b78 | 806 | case REG_U64: |
53569322 MD |
807 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
808 | break; | |
d97f9b78 MD |
809 | if (vstack_bx(stack)->type == REG_S64 || |
810 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 811 | insn->op = BYTECODE_OP_GT_S64; |
97b58163 | 812 | else |
04aa13f8 | 813 | insn->op = BYTECODE_OP_GT_DOUBLE_S64; |
97b58163 MD |
814 | break; |
815 | case REG_DOUBLE: | |
53569322 MD |
816 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
817 | break; | |
d97f9b78 MD |
818 | if (vstack_bx(stack)->type == REG_S64 || |
819 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 820 | insn->op = BYTECODE_OP_GT_S64_DOUBLE; |
dbea82ec | 821 | else |
04aa13f8 | 822 | insn->op = BYTECODE_OP_GT_DOUBLE; |
97b58163 | 823 | break; |
53569322 MD |
824 | case REG_UNKNOWN: |
825 | break; /* Dynamic typing. */ | |
97b58163 | 826 | } |
0305960f MD |
827 | /* Pop 2, push 1 */ |
828 | if (vstack_pop(stack)) { | |
829 | ret = -EINVAL; | |
830 | goto end; | |
831 | } | |
832 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
833 | next_pc += sizeof(struct binary_op); |
834 | break; | |
835 | } | |
836 | ||
04aa13f8 | 837 | case BYTECODE_OP_LT: |
97b58163 MD |
838 | { |
839 | struct binary_op *insn = (struct binary_op *) pc; | |
840 | ||
0305960f | 841 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
842 | default: |
843 | ERR("unknown register type\n"); | |
844 | ret = -EINVAL; | |
845 | goto end; | |
846 | ||
3151a51d PP |
847 | case REG_STAR_GLOB_STRING: |
848 | ERR("invalid register type for < binary operator\n"); | |
849 | ret = -EINVAL; | |
850 | goto end; | |
97b58163 | 851 | case REG_STRING: |
53569322 MD |
852 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
853 | break; | |
04aa13f8 | 854 | insn->op = BYTECODE_OP_LT_STRING; |
97b58163 MD |
855 | break; |
856 | case REG_S64: | |
d97f9b78 | 857 | case REG_U64: |
53569322 MD |
858 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
859 | break; | |
d97f9b78 MD |
860 | if (vstack_bx(stack)->type == REG_S64 || |
861 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 862 | insn->op = BYTECODE_OP_LT_S64; |
97b58163 | 863 | else |
04aa13f8 | 864 | insn->op = BYTECODE_OP_LT_DOUBLE_S64; |
97b58163 MD |
865 | break; |
866 | case REG_DOUBLE: | |
53569322 MD |
867 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
868 | break; | |
d97f9b78 MD |
869 | if (vstack_bx(stack)->type == REG_S64 || |
870 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 871 | insn->op = BYTECODE_OP_LT_S64_DOUBLE; |
dbea82ec | 872 | else |
04aa13f8 | 873 | insn->op = BYTECODE_OP_LT_DOUBLE; |
97b58163 | 874 | break; |
53569322 MD |
875 | case REG_UNKNOWN: |
876 | break; /* Dynamic typing. */ | |
97b58163 | 877 | } |
0305960f MD |
878 | /* Pop 2, push 1 */ |
879 | if (vstack_pop(stack)) { | |
880 | ret = -EINVAL; | |
881 | goto end; | |
882 | } | |
883 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
884 | next_pc += sizeof(struct binary_op); |
885 | break; | |
886 | } | |
887 | ||
04aa13f8 | 888 | case BYTECODE_OP_GE: |
97b58163 MD |
889 | { |
890 | struct binary_op *insn = (struct binary_op *) pc; | |
891 | ||
0305960f | 892 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
893 | default: |
894 | ERR("unknown register type\n"); | |
895 | ret = -EINVAL; | |
896 | goto end; | |
897 | ||
3151a51d PP |
898 | case REG_STAR_GLOB_STRING: |
899 | ERR("invalid register type for >= binary operator\n"); | |
900 | ret = -EINVAL; | |
901 | goto end; | |
97b58163 | 902 | case REG_STRING: |
53569322 MD |
903 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
904 | break; | |
04aa13f8 | 905 | insn->op = BYTECODE_OP_GE_STRING; |
97b58163 MD |
906 | break; |
907 | case REG_S64: | |
d97f9b78 | 908 | case REG_U64: |
53569322 MD |
909 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
910 | break; | |
d97f9b78 MD |
911 | if (vstack_bx(stack)->type == REG_S64 || |
912 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 913 | insn->op = BYTECODE_OP_GE_S64; |
97b58163 | 914 | else |
04aa13f8 | 915 | insn->op = BYTECODE_OP_GE_DOUBLE_S64; |
97b58163 MD |
916 | break; |
917 | case REG_DOUBLE: | |
53569322 MD |
918 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
919 | break; | |
d97f9b78 MD |
920 | if (vstack_bx(stack)->type == REG_S64 || |
921 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 922 | insn->op = BYTECODE_OP_GE_S64_DOUBLE; |
dbea82ec | 923 | else |
04aa13f8 | 924 | insn->op = BYTECODE_OP_GE_DOUBLE; |
97b58163 | 925 | break; |
53569322 MD |
926 | case REG_UNKNOWN: |
927 | break; /* Dynamic typing. */ | |
97b58163 | 928 | } |
0305960f MD |
929 | /* Pop 2, push 1 */ |
930 | if (vstack_pop(stack)) { | |
931 | ret = -EINVAL; | |
932 | goto end; | |
933 | } | |
d97f9b78 | 934 | vstack_ax(stack)->type = REG_U64; |
97b58163 MD |
935 | next_pc += sizeof(struct binary_op); |
936 | break; | |
937 | } | |
04aa13f8 | 938 | case BYTECODE_OP_LE: |
97b58163 MD |
939 | { |
940 | struct binary_op *insn = (struct binary_op *) pc; | |
941 | ||
0305960f | 942 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
943 | default: |
944 | ERR("unknown register type\n"); | |
945 | ret = -EINVAL; | |
946 | goto end; | |
947 | ||
3151a51d PP |
948 | case REG_STAR_GLOB_STRING: |
949 | ERR("invalid register type for <= binary operator\n"); | |
950 | ret = -EINVAL; | |
951 | goto end; | |
97b58163 | 952 | case REG_STRING: |
53569322 MD |
953 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
954 | break; | |
04aa13f8 | 955 | insn->op = BYTECODE_OP_LE_STRING; |
97b58163 MD |
956 | break; |
957 | case REG_S64: | |
d97f9b78 | 958 | case REG_U64: |
53569322 MD |
959 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
960 | break; | |
d97f9b78 MD |
961 | if (vstack_bx(stack)->type == REG_S64 || |
962 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 963 | insn->op = BYTECODE_OP_LE_S64; |
97b58163 | 964 | else |
04aa13f8 | 965 | insn->op = BYTECODE_OP_LE_DOUBLE_S64; |
97b58163 MD |
966 | break; |
967 | case REG_DOUBLE: | |
53569322 MD |
968 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
969 | break; | |
d97f9b78 MD |
970 | if (vstack_bx(stack)->type == REG_S64 || |
971 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 972 | insn->op = BYTECODE_OP_LE_S64_DOUBLE; |
dbea82ec | 973 | else |
04aa13f8 | 974 | insn->op = BYTECODE_OP_LE_DOUBLE; |
97b58163 | 975 | break; |
53569322 MD |
976 | case REG_UNKNOWN: |
977 | break; /* Dynamic typing. */ | |
97b58163 | 978 | } |
0305960f | 979 | vstack_ax(stack)->type = REG_S64; |
97b58163 MD |
980 | next_pc += sizeof(struct binary_op); |
981 | break; | |
982 | } | |
983 | ||
04aa13f8 FD |
984 | case BYTECODE_OP_EQ_STRING: |
985 | case BYTECODE_OP_NE_STRING: | |
986 | case BYTECODE_OP_GT_STRING: | |
987 | case BYTECODE_OP_LT_STRING: | |
988 | case BYTECODE_OP_GE_STRING: | |
989 | case BYTECODE_OP_LE_STRING: | |
990 | case BYTECODE_OP_EQ_STAR_GLOB_STRING: | |
991 | case BYTECODE_OP_NE_STAR_GLOB_STRING: | |
992 | case BYTECODE_OP_EQ_S64: | |
993 | case BYTECODE_OP_NE_S64: | |
994 | case BYTECODE_OP_GT_S64: | |
995 | case BYTECODE_OP_LT_S64: | |
996 | case BYTECODE_OP_GE_S64: | |
997 | case BYTECODE_OP_LE_S64: | |
998 | case BYTECODE_OP_EQ_DOUBLE: | |
999 | case BYTECODE_OP_NE_DOUBLE: | |
1000 | case BYTECODE_OP_GT_DOUBLE: | |
1001 | case BYTECODE_OP_LT_DOUBLE: | |
1002 | case BYTECODE_OP_GE_DOUBLE: | |
1003 | case BYTECODE_OP_LE_DOUBLE: | |
1004 | case BYTECODE_OP_EQ_DOUBLE_S64: | |
1005 | case BYTECODE_OP_NE_DOUBLE_S64: | |
1006 | case BYTECODE_OP_GT_DOUBLE_S64: | |
1007 | case BYTECODE_OP_LT_DOUBLE_S64: | |
1008 | case BYTECODE_OP_GE_DOUBLE_S64: | |
1009 | case BYTECODE_OP_LE_DOUBLE_S64: | |
1010 | case BYTECODE_OP_EQ_S64_DOUBLE: | |
1011 | case BYTECODE_OP_NE_S64_DOUBLE: | |
1012 | case BYTECODE_OP_GT_S64_DOUBLE: | |
1013 | case BYTECODE_OP_LT_S64_DOUBLE: | |
1014 | case BYTECODE_OP_GE_S64_DOUBLE: | |
1015 | case BYTECODE_OP_LE_S64_DOUBLE: | |
d97f9b78 MD |
1016 | { |
1017 | /* Pop 2, push 1 */ | |
1018 | if (vstack_pop(stack)) { | |
1019 | ret = -EINVAL; | |
1020 | goto end; | |
1021 | } | |
1022 | vstack_ax(stack)->type = REG_S64; | |
1023 | next_pc += sizeof(struct binary_op); | |
1024 | break; | |
1025 | } | |
1026 | ||
04aa13f8 FD |
1027 | case BYTECODE_OP_BIT_RSHIFT: |
1028 | case BYTECODE_OP_BIT_LSHIFT: | |
1029 | case BYTECODE_OP_BIT_AND: | |
1030 | case BYTECODE_OP_BIT_OR: | |
1031 | case BYTECODE_OP_BIT_XOR: | |
97b58163 | 1032 | { |
0305960f MD |
1033 | /* Pop 2, push 1 */ |
1034 | if (vstack_pop(stack)) { | |
1035 | ret = -EINVAL; | |
1036 | goto end; | |
1037 | } | |
1038 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1039 | next_pc += sizeof(struct binary_op); |
1040 | break; | |
1041 | } | |
1042 | ||
1043 | /* unary */ | |
04aa13f8 | 1044 | case BYTECODE_OP_UNARY_PLUS: |
97b58163 MD |
1045 | { |
1046 | struct unary_op *insn = (struct unary_op *) pc; | |
1047 | ||
0305960f | 1048 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
1049 | default: |
1050 | ERR("unknown register type\n"); | |
1051 | ret = -EINVAL; | |
1052 | goto end; | |
1053 | ||
1054 | case REG_S64: | |
d97f9b78 | 1055 | case REG_U64: |
04aa13f8 | 1056 | insn->op = BYTECODE_OP_UNARY_PLUS_S64; |
97b58163 MD |
1057 | break; |
1058 | case REG_DOUBLE: | |
04aa13f8 | 1059 | insn->op = BYTECODE_OP_UNARY_PLUS_DOUBLE; |
97b58163 | 1060 | break; |
53569322 MD |
1061 | case REG_UNKNOWN: /* Dynamic typing. */ |
1062 | break; | |
97b58163 | 1063 | } |
0305960f | 1064 | /* Pop 1, push 1 */ |
97b58163 MD |
1065 | next_pc += sizeof(struct unary_op); |
1066 | break; | |
1067 | } | |
1068 | ||
04aa13f8 | 1069 | case BYTECODE_OP_UNARY_MINUS: |
97b58163 MD |
1070 | { |
1071 | struct unary_op *insn = (struct unary_op *) pc; | |
1072 | ||
0305960f | 1073 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
1074 | default: |
1075 | ERR("unknown register type\n"); | |
1076 | ret = -EINVAL; | |
1077 | goto end; | |
1078 | ||
1079 | case REG_S64: | |
d97f9b78 | 1080 | case REG_U64: |
04aa13f8 | 1081 | insn->op = BYTECODE_OP_UNARY_MINUS_S64; |
97b58163 MD |
1082 | break; |
1083 | case REG_DOUBLE: | |
04aa13f8 | 1084 | insn->op = BYTECODE_OP_UNARY_MINUS_DOUBLE; |
97b58163 | 1085 | break; |
53569322 MD |
1086 | case REG_UNKNOWN: /* Dynamic typing. */ |
1087 | break; | |
97b58163 | 1088 | } |
0305960f | 1089 | /* Pop 1, push 1 */ |
97b58163 MD |
1090 | next_pc += sizeof(struct unary_op); |
1091 | break; | |
1092 | } | |
1093 | ||
04aa13f8 | 1094 | case BYTECODE_OP_UNARY_NOT: |
97b58163 MD |
1095 | { |
1096 | struct unary_op *insn = (struct unary_op *) pc; | |
1097 | ||
0305960f | 1098 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
1099 | default: |
1100 | ERR("unknown register type\n"); | |
1101 | ret = -EINVAL; | |
1102 | goto end; | |
1103 | ||
1104 | case REG_S64: | |
d97f9b78 | 1105 | case REG_U64: |
04aa13f8 | 1106 | insn->op = BYTECODE_OP_UNARY_NOT_S64; |
97b58163 MD |
1107 | break; |
1108 | case REG_DOUBLE: | |
04aa13f8 | 1109 | insn->op = BYTECODE_OP_UNARY_NOT_DOUBLE; |
97b58163 | 1110 | break; |
53569322 MD |
1111 | case REG_UNKNOWN: /* Dynamic typing. */ |
1112 | break; | |
97b58163 | 1113 | } |
0305960f | 1114 | /* Pop 1, push 1 */ |
97b58163 MD |
1115 | next_pc += sizeof(struct unary_op); |
1116 | break; | |
1117 | } | |
1118 | ||
04aa13f8 | 1119 | case BYTECODE_OP_UNARY_BIT_NOT: |
0039e2d8 MD |
1120 | { |
1121 | /* Pop 1, push 1 */ | |
1122 | next_pc += sizeof(struct unary_op); | |
1123 | break; | |
1124 | } | |
1125 | ||
04aa13f8 FD |
1126 | case BYTECODE_OP_UNARY_PLUS_S64: |
1127 | case BYTECODE_OP_UNARY_MINUS_S64: | |
1128 | case BYTECODE_OP_UNARY_NOT_S64: | |
1129 | case BYTECODE_OP_UNARY_PLUS_DOUBLE: | |
1130 | case BYTECODE_OP_UNARY_MINUS_DOUBLE: | |
1131 | case BYTECODE_OP_UNARY_NOT_DOUBLE: | |
97b58163 | 1132 | { |
0305960f | 1133 | /* Pop 1, push 1 */ |
97b58163 MD |
1134 | next_pc += sizeof(struct unary_op); |
1135 | break; | |
1136 | } | |
1137 | ||
1138 | /* logical */ | |
04aa13f8 FD |
1139 | case BYTECODE_OP_AND: |
1140 | case BYTECODE_OP_OR: | |
97b58163 | 1141 | { |
b9f4cd79 MD |
1142 | /* Continue to next instruction */ |
1143 | /* Pop 1 when jump not taken */ | |
1144 | if (vstack_pop(stack)) { | |
1145 | ret = -EINVAL; | |
1146 | goto end; | |
1147 | } | |
97b58163 MD |
1148 | next_pc += sizeof(struct logical_op); |
1149 | break; | |
1150 | } | |
1151 | ||
77aa5901 | 1152 | /* load field ref */ |
04aa13f8 | 1153 | case BYTECODE_OP_LOAD_FIELD_REF: |
97b58163 MD |
1154 | { |
1155 | ERR("Unknown field ref type\n"); | |
1156 | ret = -EINVAL; | |
1157 | goto end; | |
1158 | } | |
77aa5901 | 1159 | /* get context ref */ |
04aa13f8 | 1160 | case BYTECODE_OP_GET_CONTEXT_REF: |
77aa5901 | 1161 | { |
53569322 MD |
1162 | if (vstack_push(stack)) { |
1163 | ret = -EINVAL; | |
1164 | goto end; | |
1165 | } | |
1166 | vstack_ax(stack)->type = REG_UNKNOWN; | |
1167 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
1168 | break; | |
77aa5901 | 1169 | } |
04aa13f8 FD |
1170 | case BYTECODE_OP_LOAD_FIELD_REF_STRING: |
1171 | case BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE: | |
1172 | case BYTECODE_OP_GET_CONTEXT_REF_STRING: | |
97b58163 | 1173 | { |
0305960f MD |
1174 | if (vstack_push(stack)) { |
1175 | ret = -EINVAL; | |
1176 | goto end; | |
1177 | } | |
1178 | vstack_ax(stack)->type = REG_STRING; | |
97b58163 MD |
1179 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1180 | break; | |
1181 | } | |
04aa13f8 FD |
1182 | case BYTECODE_OP_LOAD_FIELD_REF_S64: |
1183 | case BYTECODE_OP_GET_CONTEXT_REF_S64: | |
97b58163 | 1184 | { |
0305960f MD |
1185 | if (vstack_push(stack)) { |
1186 | ret = -EINVAL; | |
1187 | goto end; | |
1188 | } | |
1189 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1190 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1191 | break; | |
1192 | } | |
04aa13f8 FD |
1193 | case BYTECODE_OP_LOAD_FIELD_REF_DOUBLE: |
1194 | case BYTECODE_OP_GET_CONTEXT_REF_DOUBLE: | |
97b58163 | 1195 | { |
0305960f MD |
1196 | if (vstack_push(stack)) { |
1197 | ret = -EINVAL; | |
1198 | goto end; | |
1199 | } | |
1200 | vstack_ax(stack)->type = REG_DOUBLE; | |
97b58163 MD |
1201 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1202 | break; | |
1203 | } | |
1204 | ||
77aa5901 | 1205 | /* load from immediate operand */ |
04aa13f8 | 1206 | case BYTECODE_OP_LOAD_STRING: |
97b58163 MD |
1207 | { |
1208 | struct load_op *insn = (struct load_op *) pc; | |
1209 | ||
0305960f MD |
1210 | if (vstack_push(stack)) { |
1211 | ret = -EINVAL; | |
1212 | goto end; | |
1213 | } | |
1214 | vstack_ax(stack)->type = REG_STRING; | |
97b58163 MD |
1215 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
1216 | break; | |
1217 | } | |
1218 | ||
04aa13f8 | 1219 | case BYTECODE_OP_LOAD_STAR_GLOB_STRING: |
3151a51d PP |
1220 | { |
1221 | struct load_op *insn = (struct load_op *) pc; | |
1222 | ||
1223 | if (vstack_push(stack)) { | |
1224 | ret = -EINVAL; | |
1225 | goto end; | |
1226 | } | |
1227 | vstack_ax(stack)->type = REG_STAR_GLOB_STRING; | |
1228 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
1229 | break; | |
1230 | } | |
1231 | ||
04aa13f8 | 1232 | case BYTECODE_OP_LOAD_S64: |
97b58163 | 1233 | { |
0305960f MD |
1234 | if (vstack_push(stack)) { |
1235 | ret = -EINVAL; | |
1236 | goto end; | |
1237 | } | |
1238 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1239 | next_pc += sizeof(struct load_op) |
1240 | + sizeof(struct literal_numeric); | |
1241 | break; | |
1242 | } | |
1243 | ||
04aa13f8 | 1244 | case BYTECODE_OP_LOAD_DOUBLE: |
97b58163 | 1245 | { |
0305960f MD |
1246 | if (vstack_push(stack)) { |
1247 | ret = -EINVAL; | |
1248 | goto end; | |
1249 | } | |
1250 | vstack_ax(stack)->type = REG_DOUBLE; | |
97b58163 MD |
1251 | next_pc += sizeof(struct load_op) |
1252 | + sizeof(struct literal_double); | |
1253 | break; | |
1254 | } | |
1255 | ||
1256 | /* cast */ | |
04aa13f8 | 1257 | case BYTECODE_OP_CAST_TO_S64: |
97b58163 MD |
1258 | { |
1259 | struct cast_op *insn = (struct cast_op *) pc; | |
1260 | ||
0305960f | 1261 | switch (vstack_ax(stack)->type) { |
97b58163 MD |
1262 | default: |
1263 | ERR("unknown register type\n"); | |
1264 | ret = -EINVAL; | |
1265 | goto end; | |
1266 | ||
1267 | case REG_STRING: | |
3151a51d | 1268 | case REG_STAR_GLOB_STRING: |
97b58163 MD |
1269 | ERR("Cast op can only be applied to numeric or floating point registers\n"); |
1270 | ret = -EINVAL; | |
1271 | goto end; | |
1272 | case REG_S64: | |
04aa13f8 | 1273 | insn->op = BYTECODE_OP_CAST_NOP; |
97b58163 MD |
1274 | break; |
1275 | case REG_DOUBLE: | |
04aa13f8 | 1276 | insn->op = BYTECODE_OP_CAST_DOUBLE_TO_S64; |
97b58163 | 1277 | break; |
53569322 | 1278 | case REG_UNKNOWN: |
d97f9b78 | 1279 | case REG_U64: |
53569322 | 1280 | break; |
97b58163 | 1281 | } |
0305960f MD |
1282 | /* Pop 1, push 1 */ |
1283 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1284 | next_pc += sizeof(struct cast_op); |
1285 | break; | |
1286 | } | |
04aa13f8 | 1287 | case BYTECODE_OP_CAST_DOUBLE_TO_S64: |
97b58163 | 1288 | { |
0305960f MD |
1289 | /* Pop 1, push 1 */ |
1290 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1291 | next_pc += sizeof(struct cast_op); |
1292 | break; | |
1293 | } | |
04aa13f8 | 1294 | case BYTECODE_OP_CAST_NOP: |
97b58163 MD |
1295 | { |
1296 | next_pc += sizeof(struct cast_op); | |
1297 | break; | |
1298 | } | |
1299 | ||
47e5f13e MD |
1300 | /* |
1301 | * Instructions for recursive traversal through composed types. | |
1302 | */ | |
04aa13f8 | 1303 | case BYTECODE_OP_GET_CONTEXT_ROOT: |
47e5f13e MD |
1304 | { |
1305 | if (vstack_push(stack)) { | |
1306 | ret = -EINVAL; | |
1307 | goto end; | |
1308 | } | |
1309 | vstack_ax(stack)->type = REG_PTR; | |
1310 | vstack_ax(stack)->load.type = LOAD_ROOT_CONTEXT; | |
1311 | next_pc += sizeof(struct load_op); | |
1312 | break; | |
1313 | } | |
04aa13f8 | 1314 | case BYTECODE_OP_GET_APP_CONTEXT_ROOT: |
47e5f13e MD |
1315 | { |
1316 | if (vstack_push(stack)) { | |
1317 | ret = -EINVAL; | |
1318 | goto end; | |
1319 | } | |
1320 | vstack_ax(stack)->type = REG_PTR; | |
1321 | vstack_ax(stack)->load.type = LOAD_ROOT_APP_CONTEXT; | |
1322 | next_pc += sizeof(struct load_op); | |
1323 | break; | |
1324 | } | |
04aa13f8 | 1325 | case BYTECODE_OP_GET_PAYLOAD_ROOT: |
47e5f13e MD |
1326 | { |
1327 | if (vstack_push(stack)) { | |
1328 | ret = -EINVAL; | |
1329 | goto end; | |
1330 | } | |
1331 | vstack_ax(stack)->type = REG_PTR; | |
1332 | vstack_ax(stack)->load.type = LOAD_ROOT_PAYLOAD; | |
1333 | next_pc += sizeof(struct load_op); | |
1334 | break; | |
1335 | } | |
1336 | ||
04aa13f8 | 1337 | case BYTECODE_OP_LOAD_FIELD: |
47e5f13e MD |
1338 | { |
1339 | struct load_op *insn = (struct load_op *) pc; | |
1340 | ||
1341 | assert(vstack_ax(stack)->type == REG_PTR); | |
1342 | /* Pop 1, push 1 */ | |
1343 | ret = specialize_load_field(vstack_ax(stack), insn); | |
1344 | if (ret) | |
1345 | goto end; | |
1346 | ||
1347 | next_pc += sizeof(struct load_op); | |
1348 | break; | |
1349 | } | |
1350 | ||
04aa13f8 FD |
1351 | case BYTECODE_OP_LOAD_FIELD_S8: |
1352 | case BYTECODE_OP_LOAD_FIELD_S16: | |
1353 | case BYTECODE_OP_LOAD_FIELD_S32: | |
1354 | case BYTECODE_OP_LOAD_FIELD_S64: | |
d97f9b78 MD |
1355 | { |
1356 | /* Pop 1, push 1 */ | |
1357 | vstack_ax(stack)->type = REG_S64; | |
1358 | next_pc += sizeof(struct load_op); | |
1359 | break; | |
1360 | } | |
1361 | ||
04aa13f8 FD |
1362 | case BYTECODE_OP_LOAD_FIELD_U8: |
1363 | case BYTECODE_OP_LOAD_FIELD_U16: | |
1364 | case BYTECODE_OP_LOAD_FIELD_U32: | |
1365 | case BYTECODE_OP_LOAD_FIELD_U64: | |
47e5f13e MD |
1366 | { |
1367 | /* Pop 1, push 1 */ | |
d97f9b78 | 1368 | vstack_ax(stack)->type = REG_U64; |
47e5f13e MD |
1369 | next_pc += sizeof(struct load_op); |
1370 | break; | |
1371 | } | |
1372 | ||
04aa13f8 FD |
1373 | case BYTECODE_OP_LOAD_FIELD_STRING: |
1374 | case BYTECODE_OP_LOAD_FIELD_SEQUENCE: | |
47e5f13e MD |
1375 | { |
1376 | /* Pop 1, push 1 */ | |
1377 | vstack_ax(stack)->type = REG_STRING; | |
1378 | next_pc += sizeof(struct load_op); | |
1379 | break; | |
1380 | } | |
1381 | ||
04aa13f8 | 1382 | case BYTECODE_OP_LOAD_FIELD_DOUBLE: |
47e5f13e MD |
1383 | { |
1384 | /* Pop 1, push 1 */ | |
1385 | vstack_ax(stack)->type = REG_DOUBLE; | |
1386 | next_pc += sizeof(struct load_op); | |
1387 | break; | |
1388 | } | |
1389 | ||
04aa13f8 | 1390 | case BYTECODE_OP_GET_SYMBOL: |
47e5f13e MD |
1391 | { |
1392 | struct load_op *insn = (struct load_op *) pc; | |
1393 | ||
1394 | dbg_printf("op get symbol\n"); | |
1395 | switch (vstack_ax(stack)->load.type) { | |
1396 | case LOAD_OBJECT: | |
1397 | ERR("Nested fields not implemented yet."); | |
1398 | ret = -EINVAL; | |
1399 | goto end; | |
1400 | case LOAD_ROOT_CONTEXT: | |
1401 | /* Lookup context field. */ | |
b77aaa1b | 1402 | ret = specialize_context_lookup(*pctx, |
47e5f13e MD |
1403 | bytecode, insn, |
1404 | &vstack_ax(stack)->load); | |
1405 | if (ret) | |
1406 | goto end; | |
1407 | break; | |
1408 | case LOAD_ROOT_APP_CONTEXT: | |
1409 | /* Lookup app context field. */ | |
b77aaa1b | 1410 | ret = specialize_app_context_lookup(pctx, |
47e5f13e MD |
1411 | bytecode, insn, |
1412 | &vstack_ax(stack)->load); | |
1413 | if (ret) | |
1414 | goto end; | |
1415 | break; | |
1416 | case LOAD_ROOT_PAYLOAD: | |
1417 | /* Lookup event payload field. */ | |
53b9d7db | 1418 | ret = specialize_payload_lookup(event_desc, |
47e5f13e MD |
1419 | bytecode, insn, |
1420 | &vstack_ax(stack)->load); | |
1421 | if (ret) | |
1422 | goto end; | |
1423 | break; | |
1424 | } | |
1425 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
1426 | break; | |
1427 | } | |
1428 | ||
04aa13f8 | 1429 | case BYTECODE_OP_GET_SYMBOL_FIELD: |
47e5f13e MD |
1430 | { |
1431 | /* Always generated by specialize phase. */ | |
1432 | ret = -EINVAL; | |
1433 | goto end; | |
1434 | } | |
1435 | ||
04aa13f8 | 1436 | case BYTECODE_OP_GET_INDEX_U16: |
47e5f13e MD |
1437 | { |
1438 | struct load_op *insn = (struct load_op *) pc; | |
1439 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
1440 | ||
1441 | dbg_printf("op get index u16\n"); | |
1442 | /* Pop 1, push 1 */ | |
1443 | ret = specialize_get_index(bytecode, insn, index->index, | |
1444 | vstack_ax(stack), sizeof(*index)); | |
1445 | if (ret) | |
1446 | goto end; | |
1447 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
1448 | break; | |
1449 | } | |
1450 | ||
04aa13f8 | 1451 | case BYTECODE_OP_GET_INDEX_U64: |
47e5f13e MD |
1452 | { |
1453 | struct load_op *insn = (struct load_op *) pc; | |
1454 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
1455 | ||
1456 | dbg_printf("op get index u64\n"); | |
1457 | /* Pop 1, push 1 */ | |
1458 | ret = specialize_get_index(bytecode, insn, index->index, | |
1459 | vstack_ax(stack), sizeof(*index)); | |
1460 | if (ret) | |
1461 | goto end; | |
1462 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
1463 | break; | |
1464 | } | |
1465 | ||
97b58163 MD |
1466 | } |
1467 | } | |
1468 | end: | |
1469 | return ret; | |
1470 | } |