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 |
9af5d97a | 10 | #include <limits.h> |
b4051ad8 | 11 | #include <stddef.h> |
fb31eb73 | 12 | #include <stdint.h> |
b4051ad8 | 13 | |
eae3c729 | 14 | #include <lttng/ust-utils.h> |
fc80554e MJ |
15 | |
16 | #include "context-internal.h" | |
17 | #include "lttng-bytecode.h" | |
36c52fff | 18 | #include "lib/lttng-ust/events.h" |
9d315d6d | 19 | #include "common/macros.h" |
97b58163 | 20 | |
47e5f13e MD |
21 | static int lttng_fls(int val) |
22 | { | |
23 | int r = 32; | |
24 | unsigned int x = (unsigned int) val; | |
25 | ||
26 | if (!x) | |
27 | return 0; | |
28 | if (!(x & 0xFFFF0000U)) { | |
29 | x <<= 16; | |
30 | r -= 16; | |
31 | } | |
32 | if (!(x & 0xFF000000U)) { | |
33 | x <<= 8; | |
34 | r -= 8; | |
35 | } | |
36 | if (!(x & 0xF0000000U)) { | |
37 | x <<= 4; | |
38 | r -= 4; | |
39 | } | |
40 | if (!(x & 0xC0000000U)) { | |
41 | x <<= 2; | |
42 | r -= 2; | |
43 | } | |
44 | if (!(x & 0x80000000U)) { | |
45 | r -= 1; | |
46 | } | |
47 | return r; | |
48 | } | |
49 | ||
50 | static int get_count_order(unsigned int count) | |
51 | { | |
52 | int order; | |
53 | ||
54 | order = lttng_fls(count) - 1; | |
55 | if (count & (count - 1)) | |
56 | order++; | |
57 | return order; | |
58 | } | |
59 | ||
60 | static ssize_t bytecode_reserve_data(struct bytecode_runtime *runtime, | |
61 | size_t align, size_t len) | |
62 | { | |
63 | ssize_t ret; | |
b72687b8 | 64 | size_t padding = lttng_ust_offset_align(runtime->data_len, align); |
47e5f13e MD |
65 | size_t new_len = runtime->data_len + padding + len; |
66 | size_t new_alloc_len = new_len; | |
67 | size_t old_alloc_len = runtime->data_alloc_len; | |
68 | ||
04aa13f8 | 69 | if (new_len > BYTECODE_MAX_DATA_LEN) |
47e5f13e MD |
70 | return -EINVAL; |
71 | ||
72 | if (new_alloc_len > old_alloc_len) { | |
73 | char *newptr; | |
74 | ||
75 | new_alloc_len = | |
76 | max_t(size_t, 1U << get_count_order(new_alloc_len), old_alloc_len << 1); | |
77 | newptr = realloc(runtime->data, new_alloc_len); | |
78 | if (!newptr) | |
79 | return -ENOMEM; | |
80 | runtime->data = newptr; | |
81 | /* We zero directly the memory from start of allocation. */ | |
82 | memset(&runtime->data[old_alloc_len], 0, new_alloc_len - old_alloc_len); | |
83 | runtime->data_alloc_len = new_alloc_len; | |
84 | } | |
85 | runtime->data_len += padding; | |
86 | ret = runtime->data_len; | |
87 | runtime->data_len += len; | |
88 | return ret; | |
89 | } | |
90 | ||
91 | static ssize_t bytecode_push_data(struct bytecode_runtime *runtime, | |
92 | const void *p, size_t align, size_t len) | |
93 | { | |
94 | ssize_t offset; | |
95 | ||
96 | offset = bytecode_reserve_data(runtime, align, len); | |
97 | if (offset < 0) | |
98 | return -ENOMEM; | |
99 | memcpy(&runtime->data[offset], p, len); | |
100 | return offset; | |
101 | } | |
102 | ||
103 | static int specialize_load_field(struct vstack_entry *stack_top, | |
104 | struct load_op *insn) | |
105 | { | |
106 | int ret; | |
107 | ||
108 | switch (stack_top->load.type) { | |
109 | case LOAD_OBJECT: | |
110 | break; | |
111 | case LOAD_ROOT_CONTEXT: | |
112 | case LOAD_ROOT_APP_CONTEXT: | |
113 | case LOAD_ROOT_PAYLOAD: | |
114 | default: | |
04aa13f8 | 115 | dbg_printf("Bytecode warning: cannot load root, missing field name.\n"); |
47e5f13e MD |
116 | ret = -EINVAL; |
117 | goto end; | |
118 | } | |
119 | switch (stack_top->load.object_type) { | |
120 | case OBJECT_TYPE_S8: | |
121 | dbg_printf("op load field s8\n"); | |
122 | stack_top->type = REG_S64; | |
123 | if (!stack_top->load.rev_bo) | |
04aa13f8 | 124 | insn->op = BYTECODE_OP_LOAD_FIELD_S8; |
47e5f13e MD |
125 | break; |
126 | case OBJECT_TYPE_S16: | |
127 | dbg_printf("op load field s16\n"); | |
128 | stack_top->type = REG_S64; | |
129 | if (!stack_top->load.rev_bo) | |
04aa13f8 | 130 | insn->op = BYTECODE_OP_LOAD_FIELD_S16; |
47e5f13e MD |
131 | break; |
132 | case OBJECT_TYPE_S32: | |
133 | dbg_printf("op load field s32\n"); | |
134 | stack_top->type = REG_S64; | |
135 | if (!stack_top->load.rev_bo) | |
04aa13f8 | 136 | insn->op = BYTECODE_OP_LOAD_FIELD_S32; |
47e5f13e MD |
137 | break; |
138 | case OBJECT_TYPE_S64: | |
139 | dbg_printf("op load field s64\n"); | |
140 | stack_top->type = REG_S64; | |
141 | if (!stack_top->load.rev_bo) | |
04aa13f8 | 142 | insn->op = BYTECODE_OP_LOAD_FIELD_S64; |
47e5f13e | 143 | break; |
70f9f7f9 FD |
144 | case OBJECT_TYPE_SIGNED_ENUM: |
145 | dbg_printf("op load field signed enumeration\n"); | |
146 | stack_top->type = REG_PTR; | |
147 | break; | |
47e5f13e MD |
148 | case OBJECT_TYPE_U8: |
149 | dbg_printf("op load field u8\n"); | |
d97f9b78 | 150 | stack_top->type = REG_U64; |
04aa13f8 | 151 | insn->op = BYTECODE_OP_LOAD_FIELD_U8; |
47e5f13e MD |
152 | break; |
153 | case OBJECT_TYPE_U16: | |
154 | dbg_printf("op load field u16\n"); | |
d97f9b78 | 155 | stack_top->type = REG_U64; |
47e5f13e | 156 | if (!stack_top->load.rev_bo) |
04aa13f8 | 157 | insn->op = BYTECODE_OP_LOAD_FIELD_U16; |
47e5f13e MD |
158 | break; |
159 | case OBJECT_TYPE_U32: | |
160 | dbg_printf("op load field u32\n"); | |
d97f9b78 | 161 | stack_top->type = REG_U64; |
47e5f13e | 162 | if (!stack_top->load.rev_bo) |
04aa13f8 | 163 | insn->op = BYTECODE_OP_LOAD_FIELD_U32; |
47e5f13e MD |
164 | break; |
165 | case OBJECT_TYPE_U64: | |
166 | dbg_printf("op load field u64\n"); | |
d97f9b78 | 167 | stack_top->type = REG_U64; |
47e5f13e | 168 | if (!stack_top->load.rev_bo) |
04aa13f8 | 169 | insn->op = BYTECODE_OP_LOAD_FIELD_U64; |
47e5f13e | 170 | break; |
70f9f7f9 FD |
171 | case OBJECT_TYPE_UNSIGNED_ENUM: |
172 | dbg_printf("op load field unsigned enumeration\n"); | |
173 | stack_top->type = REG_PTR; | |
174 | break; | |
47e5f13e MD |
175 | case OBJECT_TYPE_DOUBLE: |
176 | stack_top->type = REG_DOUBLE; | |
04aa13f8 | 177 | insn->op = BYTECODE_OP_LOAD_FIELD_DOUBLE; |
47e5f13e MD |
178 | break; |
179 | case OBJECT_TYPE_STRING: | |
180 | dbg_printf("op load field string\n"); | |
181 | stack_top->type = REG_STRING; | |
04aa13f8 | 182 | insn->op = BYTECODE_OP_LOAD_FIELD_STRING; |
47e5f13e MD |
183 | break; |
184 | case OBJECT_TYPE_STRING_SEQUENCE: | |
185 | dbg_printf("op load field string sequence\n"); | |
186 | stack_top->type = REG_STRING; | |
04aa13f8 | 187 | insn->op = BYTECODE_OP_LOAD_FIELD_SEQUENCE; |
47e5f13e MD |
188 | break; |
189 | case OBJECT_TYPE_DYNAMIC: | |
190 | dbg_printf("op load field dynamic\n"); | |
191 | stack_top->type = REG_UNKNOWN; | |
192 | /* Don't specialize load op. */ | |
193 | break; | |
194 | case OBJECT_TYPE_SEQUENCE: | |
195 | case OBJECT_TYPE_ARRAY: | |
196 | case OBJECT_TYPE_STRUCT: | |
197 | case OBJECT_TYPE_VARIANT: | |
198 | ERR("Sequences, arrays, struct and variant cannot be loaded (nested types)."); | |
199 | ret = -EINVAL; | |
200 | goto end; | |
201 | } | |
202 | return 0; | |
203 | ||
204 | end: | |
205 | return ret; | |
206 | } | |
207 | ||
208 | static int specialize_get_index_object_type(enum object_type *otype, | |
209 | int signedness, uint32_t elem_len) | |
210 | { | |
211 | switch (elem_len) { | |
212 | case 8: | |
213 | if (signedness) | |
214 | *otype = OBJECT_TYPE_S8; | |
215 | else | |
216 | *otype = OBJECT_TYPE_U8; | |
217 | break; | |
218 | case 16: | |
219 | if (signedness) | |
220 | *otype = OBJECT_TYPE_S16; | |
221 | else | |
222 | *otype = OBJECT_TYPE_U16; | |
223 | break; | |
224 | case 32: | |
225 | if (signedness) | |
226 | *otype = OBJECT_TYPE_S32; | |
227 | else | |
228 | *otype = OBJECT_TYPE_U32; | |
229 | break; | |
230 | case 64: | |
231 | if (signedness) | |
232 | *otype = OBJECT_TYPE_S64; | |
233 | else | |
234 | *otype = OBJECT_TYPE_U64; | |
235 | break; | |
236 | default: | |
237 | return -EINVAL; | |
238 | } | |
239 | return 0; | |
240 | } | |
241 | ||
242 | static int specialize_get_index(struct bytecode_runtime *runtime, | |
243 | struct load_op *insn, uint64_t index, | |
244 | struct vstack_entry *stack_top, | |
245 | int idx_len) | |
246 | { | |
247 | int ret; | |
04aa13f8 | 248 | struct bytecode_get_index_data gid; |
47e5f13e MD |
249 | ssize_t data_offset; |
250 | ||
251 | memset(&gid, 0, sizeof(gid)); | |
252 | switch (stack_top->load.type) { | |
253 | case LOAD_OBJECT: | |
254 | switch (stack_top->load.object_type) { | |
255 | case OBJECT_TYPE_ARRAY: | |
256 | { | |
4e48b5d2 MD |
257 | const struct lttng_ust_type_integer *integer_type; |
258 | const struct lttng_ust_event_field *field; | |
47e5f13e MD |
259 | uint32_t elem_len, num_elems; |
260 | int signedness; | |
261 | ||
262 | field = stack_top->load.field; | |
a084756d MD |
263 | switch (field->type->type) { |
264 | case lttng_ust_type_array: | |
265 | if (lttng_ust_get_type_array(field->type)->elem_type->type != lttng_ust_type_integer) { | |
218deb69 MD |
266 | ret = -EINVAL; |
267 | goto end; | |
268 | } | |
a084756d MD |
269 | integer_type = lttng_ust_get_type_integer(lttng_ust_get_type_array(field->type)->elem_type); |
270 | num_elems = lttng_ust_get_type_array(field->type)->length; | |
218deb69 MD |
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 | { | |
4e48b5d2 MD |
297 | const struct lttng_ust_type_integer *integer_type; |
298 | const struct lttng_ust_event_field *field; | |
47e5f13e MD |
299 | uint32_t elem_len; |
300 | int signedness; | |
301 | ||
302 | field = stack_top->load.field; | |
a084756d MD |
303 | switch (field->type->type) { |
304 | case lttng_ust_type_sequence: | |
305 | if (lttng_ust_get_type_sequence(field->type)->elem_type->type != lttng_ust_type_integer) { | |
218deb69 MD |
306 | ret = -EINVAL; |
307 | goto end; | |
308 | } | |
a084756d | 309 | integer_type = lttng_ust_get_type_integer(lttng_ust_get_type_sequence(field->type)->elem_type); |
218deb69 MD |
310 | break; |
311 | default: | |
312 | ret = -EINVAL; | |
313 | goto end; | |
314 | } | |
315 | elem_len = integer_type->size; | |
316 | signedness = integer_type->signedness; | |
47e5f13e MD |
317 | ret = specialize_get_index_object_type(&stack_top->load.object_type, |
318 | signedness, elem_len); | |
319 | if (ret) | |
320 | goto end; | |
321 | gid.offset = index * (elem_len / CHAR_BIT); | |
322 | gid.elem.type = stack_top->load.object_type; | |
323 | gid.elem.len = elem_len; | |
218deb69 | 324 | if (integer_type->reverse_byte_order) |
47e5f13e MD |
325 | gid.elem.rev_bo = true; |
326 | stack_top->load.rev_bo = gid.elem.rev_bo; | |
327 | break; | |
328 | } | |
329 | case OBJECT_TYPE_STRUCT: | |
330 | /* Only generated by the specialize phase. */ | |
331 | case OBJECT_TYPE_VARIANT: /* Fall-through */ | |
332 | default: | |
333 | ERR("Unexpected get index type %d", | |
334 | (int) stack_top->load.object_type); | |
335 | ret = -EINVAL; | |
336 | goto end; | |
337 | } | |
338 | break; | |
339 | case LOAD_ROOT_CONTEXT: | |
340 | case LOAD_ROOT_APP_CONTEXT: | |
341 | case LOAD_ROOT_PAYLOAD: | |
342 | ERR("Index lookup for root field not implemented yet."); | |
343 | ret = -EINVAL; | |
344 | goto end; | |
345 | } | |
346 | data_offset = bytecode_push_data(runtime, &gid, | |
347 | __alignof__(gid), sizeof(gid)); | |
348 | if (data_offset < 0) { | |
349 | ret = -EINVAL; | |
350 | goto end; | |
351 | } | |
352 | switch (idx_len) { | |
353 | case 2: | |
354 | ((struct get_index_u16 *) insn->data)->index = data_offset; | |
355 | break; | |
356 | case 8: | |
357 | ((struct get_index_u64 *) insn->data)->index = data_offset; | |
358 | break; | |
359 | default: | |
360 | ret = -EINVAL; | |
361 | goto end; | |
362 | } | |
363 | ||
364 | return 0; | |
365 | ||
366 | end: | |
367 | return ret; | |
368 | } | |
369 | ||
daacdbfc | 370 | static int specialize_context_lookup_name(struct lttng_ust_ctx *ctx, |
47e5f13e MD |
371 | struct bytecode_runtime *bytecode, |
372 | struct load_op *insn) | |
373 | { | |
374 | uint16_t offset; | |
375 | const char *name; | |
376 | ||
377 | offset = ((struct get_symbol *) insn->data)->offset; | |
a2e4d05e | 378 | name = bytecode->p.bc->bc.data + bytecode->p.bc->bc.reloc_offset + offset; |
47e5f13e MD |
379 | return lttng_get_context_index(ctx, name); |
380 | } | |
381 | ||
4e48b5d2 | 382 | static int specialize_load_object(const struct lttng_ust_event_field *field, |
47e5f13e MD |
383 | struct vstack_load *load, bool is_context) |
384 | { | |
385 | load->type = LOAD_OBJECT; | |
d97f9b78 | 386 | |
a084756d MD |
387 | switch (field->type->type) { |
388 | case lttng_ust_type_integer: | |
389 | if (lttng_ust_get_type_integer(field->type)->signedness) | |
47e5f13e MD |
390 | load->object_type = OBJECT_TYPE_S64; |
391 | else | |
392 | load->object_type = OBJECT_TYPE_U64; | |
393 | load->rev_bo = false; | |
394 | break; | |
a084756d | 395 | case lttng_ust_type_enum: |
47e5f13e | 396 | { |
4e48b5d2 | 397 | const struct lttng_ust_type_integer *itype; |
47e5f13e | 398 | |
a084756d | 399 | itype = lttng_ust_get_type_integer(lttng_ust_get_type_enum(field->type)->container_type); |
47e5f13e | 400 | if (itype->signedness) |
70f9f7f9 | 401 | load->object_type = OBJECT_TYPE_SIGNED_ENUM; |
47e5f13e | 402 | else |
70f9f7f9 | 403 | load->object_type = OBJECT_TYPE_UNSIGNED_ENUM; |
47e5f13e MD |
404 | load->rev_bo = false; |
405 | break; | |
406 | } | |
a084756d MD |
407 | case lttng_ust_type_array: |
408 | if (lttng_ust_get_type_array(field->type)->elem_type->type != lttng_ust_type_integer) { | |
47e5f13e MD |
409 | ERR("Array nesting only supports integer types."); |
410 | return -EINVAL; | |
411 | } | |
412 | if (is_context) { | |
413 | load->object_type = OBJECT_TYPE_STRING; | |
414 | } else { | |
a084756d | 415 | if (lttng_ust_get_type_array(field->type)->encoding == lttng_ust_string_encoding_none) { |
47e5f13e MD |
416 | load->object_type = OBJECT_TYPE_ARRAY; |
417 | load->field = field; | |
418 | } else { | |
419 | load->object_type = OBJECT_TYPE_STRING_SEQUENCE; | |
420 | } | |
421 | } | |
422 | break; | |
a084756d MD |
423 | case lttng_ust_type_sequence: |
424 | if (lttng_ust_get_type_sequence(field->type)->elem_type->type != lttng_ust_type_integer) { | |
47e5f13e MD |
425 | ERR("Sequence nesting only supports integer types."); |
426 | return -EINVAL; | |
427 | } | |
428 | if (is_context) { | |
429 | load->object_type = OBJECT_TYPE_STRING; | |
430 | } else { | |
a084756d | 431 | if (lttng_ust_get_type_sequence(field->type)->encoding == lttng_ust_string_encoding_none) { |
47e5f13e MD |
432 | load->object_type = OBJECT_TYPE_SEQUENCE; |
433 | load->field = field; | |
434 | } else { | |
435 | load->object_type = OBJECT_TYPE_STRING_SEQUENCE; | |
436 | } | |
437 | } | |
438 | break; | |
218deb69 | 439 | |
a084756d | 440 | case lttng_ust_type_string: |
47e5f13e MD |
441 | load->object_type = OBJECT_TYPE_STRING; |
442 | break; | |
a084756d | 443 | case lttng_ust_type_float: |
47e5f13e MD |
444 | load->object_type = OBJECT_TYPE_DOUBLE; |
445 | break; | |
a084756d | 446 | case lttng_ust_type_dynamic: |
47e5f13e | 447 | load->object_type = OBJECT_TYPE_DYNAMIC; |
8d3190bd | 448 | break; |
47e5f13e | 449 | default: |
a084756d | 450 | ERR("Unknown type: %d", (int) field->type->type); |
47e5f13e MD |
451 | return -EINVAL; |
452 | } | |
453 | return 0; | |
454 | } | |
455 | ||
daacdbfc | 456 | static int specialize_context_lookup(struct lttng_ust_ctx *ctx, |
47e5f13e MD |
457 | struct bytecode_runtime *runtime, |
458 | struct load_op *insn, | |
459 | struct vstack_load *load) | |
460 | { | |
461 | int idx, ret; | |
4e48b5d2 MD |
462 | const struct lttng_ust_ctx_field *ctx_field; |
463 | const struct lttng_ust_event_field *field; | |
04aa13f8 | 464 | struct bytecode_get_index_data gid; |
47e5f13e MD |
465 | ssize_t data_offset; |
466 | ||
b77aaa1b | 467 | idx = specialize_context_lookup_name(ctx, runtime, insn); |
47e5f13e MD |
468 | if (idx < 0) { |
469 | return -ENOENT; | |
470 | } | |
4e48b5d2 | 471 | ctx_field = &ctx->fields[idx]; |
daacdbfc | 472 | field = ctx_field->event_field; |
47e5f13e MD |
473 | ret = specialize_load_object(field, load, true); |
474 | if (ret) | |
475 | return ret; | |
476 | /* Specialize each get_symbol into a get_index. */ | |
04aa13f8 | 477 | insn->op = BYTECODE_OP_GET_INDEX_U16; |
47e5f13e MD |
478 | memset(&gid, 0, sizeof(gid)); |
479 | gid.ctx_index = idx; | |
480 | gid.elem.type = load->object_type; | |
6bbd9df3 | 481 | gid.elem.rev_bo = load->rev_bo; |
f3503ba9 | 482 | gid.field = field; |
47e5f13e MD |
483 | data_offset = bytecode_push_data(runtime, &gid, |
484 | __alignof__(gid), sizeof(gid)); | |
485 | if (data_offset < 0) { | |
486 | return -EINVAL; | |
487 | } | |
488 | ((struct get_index_u16 *) insn->data)->index = data_offset; | |
489 | return 0; | |
490 | } | |
491 | ||
daacdbfc | 492 | static int specialize_app_context_lookup(struct lttng_ust_ctx **pctx, |
47e5f13e MD |
493 | struct bytecode_runtime *runtime, |
494 | struct load_op *insn, | |
495 | struct vstack_load *load) | |
496 | { | |
497 | uint16_t offset; | |
498 | const char *orig_name; | |
499 | char *name = NULL; | |
500 | int idx, ret; | |
4e48b5d2 MD |
501 | const struct lttng_ust_ctx_field *ctx_field; |
502 | const struct lttng_ust_event_field *field; | |
04aa13f8 | 503 | struct bytecode_get_index_data gid; |
47e5f13e MD |
504 | ssize_t data_offset; |
505 | ||
506 | offset = ((struct get_symbol *) insn->data)->offset; | |
a2e4d05e | 507 | orig_name = runtime->p.bc->bc.data + runtime->p.bc->bc.reloc_offset + offset; |
47e5f13e MD |
508 | name = zmalloc(strlen(orig_name) + strlen("$app.") + 1); |
509 | if (!name) { | |
510 | ret = -ENOMEM; | |
511 | goto end; | |
512 | } | |
513 | strcpy(name, "$app."); | |
514 | strcat(name, orig_name); | |
b77aaa1b | 515 | idx = lttng_get_context_index(*pctx, name); |
47e5f13e MD |
516 | if (idx < 0) { |
517 | assert(lttng_context_is_app(name)); | |
518 | ret = lttng_ust_add_app_context_to_ctx_rcu(name, | |
b77aaa1b | 519 | pctx); |
47e5f13e MD |
520 | if (ret) |
521 | return ret; | |
b77aaa1b | 522 | idx = lttng_get_context_index(*pctx, name); |
47e5f13e MD |
523 | if (idx < 0) |
524 | return -ENOENT; | |
525 | } | |
4e48b5d2 | 526 | ctx_field = &(*pctx)->fields[idx]; |
daacdbfc | 527 | field = ctx_field->event_field; |
47e5f13e MD |
528 | ret = specialize_load_object(field, load, true); |
529 | if (ret) | |
530 | goto end; | |
531 | /* Specialize each get_symbol into a get_index. */ | |
04aa13f8 | 532 | insn->op = BYTECODE_OP_GET_INDEX_U16; |
47e5f13e MD |
533 | memset(&gid, 0, sizeof(gid)); |
534 | gid.ctx_index = idx; | |
535 | gid.elem.type = load->object_type; | |
6bbd9df3 | 536 | gid.elem.rev_bo = load->rev_bo; |
f3503ba9 | 537 | gid.field = field; |
47e5f13e MD |
538 | data_offset = bytecode_push_data(runtime, &gid, |
539 | __alignof__(gid), sizeof(gid)); | |
540 | if (data_offset < 0) { | |
541 | ret = -EINVAL; | |
542 | goto end; | |
543 | } | |
544 | ((struct get_index_u16 *) insn->data)->index = data_offset; | |
545 | ret = 0; | |
546 | end: | |
547 | free(name); | |
548 | return ret; | |
549 | } | |
550 | ||
4e48b5d2 | 551 | static int specialize_payload_lookup(const struct lttng_ust_event_desc *event_desc, |
47e5f13e MD |
552 | struct bytecode_runtime *runtime, |
553 | struct load_op *insn, | |
554 | struct vstack_load *load) | |
555 | { | |
556 | const char *name; | |
557 | uint16_t offset; | |
47e5f13e MD |
558 | unsigned int i, nr_fields; |
559 | bool found = false; | |
560 | uint32_t field_offset = 0; | |
4e48b5d2 | 561 | const struct lttng_ust_event_field *field; |
47e5f13e | 562 | int ret; |
04aa13f8 | 563 | struct bytecode_get_index_data gid; |
47e5f13e MD |
564 | ssize_t data_offset; |
565 | ||
53b9d7db | 566 | nr_fields = event_desc->nr_fields; |
47e5f13e | 567 | offset = ((struct get_symbol *) insn->data)->offset; |
a2e4d05e | 568 | name = runtime->p.bc->bc.data + runtime->p.bc->bc.reloc_offset + offset; |
47e5f13e | 569 | for (i = 0; i < nr_fields; i++) { |
25cff019 MD |
570 | field = event_desc->fields[i]; |
571 | if (field->nofilter) { | |
218deb69 MD |
572 | continue; |
573 | } | |
47e5f13e MD |
574 | if (!strcmp(field->name, name)) { |
575 | found = true; | |
576 | break; | |
577 | } | |
578 | /* compute field offset on stack */ | |
a084756d MD |
579 | switch (field->type->type) { |
580 | case lttng_ust_type_integer: | |
581 | case lttng_ust_type_enum: | |
47e5f13e MD |
582 | field_offset += sizeof(int64_t); |
583 | break; | |
a084756d MD |
584 | case lttng_ust_type_array: |
585 | case lttng_ust_type_sequence: | |
47e5f13e MD |
586 | field_offset += sizeof(unsigned long); |
587 | field_offset += sizeof(void *); | |
588 | break; | |
a084756d | 589 | case lttng_ust_type_string: |
47e5f13e MD |
590 | field_offset += sizeof(void *); |
591 | break; | |
a084756d | 592 | case lttng_ust_type_float: |
47e5f13e MD |
593 | field_offset += sizeof(double); |
594 | break; | |
595 | default: | |
596 | ret = -EINVAL; | |
597 | goto end; | |
598 | } | |
599 | } | |
600 | if (!found) { | |
601 | ret = -EINVAL; | |
602 | goto end; | |
603 | } | |
604 | ||
605 | ret = specialize_load_object(field, load, false); | |
606 | if (ret) | |
607 | goto end; | |
608 | ||
609 | /* Specialize each get_symbol into a get_index. */ | |
04aa13f8 | 610 | insn->op = BYTECODE_OP_GET_INDEX_U16; |
47e5f13e MD |
611 | memset(&gid, 0, sizeof(gid)); |
612 | gid.offset = field_offset; | |
613 | gid.elem.type = load->object_type; | |
6bbd9df3 | 614 | gid.elem.rev_bo = load->rev_bo; |
f3503ba9 | 615 | gid.field = field; |
47e5f13e MD |
616 | data_offset = bytecode_push_data(runtime, &gid, |
617 | __alignof__(gid), sizeof(gid)); | |
618 | if (data_offset < 0) { | |
619 | ret = -EINVAL; | |
620 | goto end; | |
621 | } | |
622 | ((struct get_index_u16 *) insn->data)->index = data_offset; | |
623 | ret = 0; | |
624 | end: | |
625 | return ret; | |
626 | } | |
627 | ||
4e48b5d2 | 628 | int lttng_bytecode_specialize(const struct lttng_ust_event_desc *event_desc, |
47e5f13e | 629 | struct bytecode_runtime *bytecode) |
97b58163 MD |
630 | { |
631 | void *pc, *next_pc, *start_pc; | |
632 | int ret = -EINVAL; | |
0305960f MD |
633 | struct vstack _stack; |
634 | struct vstack *stack = &_stack; | |
a2e4d05e | 635 | struct lttng_ust_ctx **pctx = bytecode->p.pctx; |
97b58163 | 636 | |
0305960f | 637 | vstack_init(stack); |
97b58163 | 638 | |
47e5f13e | 639 | start_pc = &bytecode->code[0]; |
97b58163 MD |
640 | for (pc = next_pc = start_pc; pc - start_pc < bytecode->len; |
641 | pc = next_pc) { | |
04aa13f8 FD |
642 | switch (*(bytecode_opcode_t *) pc) { |
643 | case BYTECODE_OP_UNKNOWN: | |
97b58163 MD |
644 | default: |
645 | ERR("unknown bytecode op %u\n", | |
04aa13f8 | 646 | (unsigned int) *(bytecode_opcode_t *) pc); |
97b58163 MD |
647 | ret = -EINVAL; |
648 | goto end; | |
649 | ||
04aa13f8 | 650 | case BYTECODE_OP_RETURN: |
d97f9b78 MD |
651 | if (vstack_ax(stack)->type == REG_S64 || |
652 | vstack_ax(stack)->type == REG_U64) | |
04aa13f8 | 653 | *(bytecode_opcode_t *) pc = BYTECODE_OP_RETURN_S64; |
93c591bb MD |
654 | ret = 0; |
655 | goto end; | |
656 | ||
04aa13f8 | 657 | case BYTECODE_OP_RETURN_S64: |
d97f9b78 MD |
658 | if (vstack_ax(stack)->type != REG_S64 && |
659 | vstack_ax(stack)->type != REG_U64) { | |
93c591bb MD |
660 | ERR("Unexpected register type\n"); |
661 | ret = -EINVAL; | |
662 | goto end; | |
663 | } | |
97b58163 MD |
664 | ret = 0; |
665 | goto end; | |
666 | ||
667 | /* binary */ | |
04aa13f8 FD |
668 | case BYTECODE_OP_MUL: |
669 | case BYTECODE_OP_DIV: | |
670 | case BYTECODE_OP_MOD: | |
671 | case BYTECODE_OP_PLUS: | |
672 | case BYTECODE_OP_MINUS: | |
97b58163 | 673 | ERR("unsupported bytecode op %u\n", |
04aa13f8 | 674 | (unsigned int) *(bytecode_opcode_t *) pc); |
97b58163 MD |
675 | ret = -EINVAL; |
676 | goto end; | |
677 | ||
04aa13f8 | 678 | case BYTECODE_OP_EQ: |
97b58163 MD |
679 | { |
680 | struct binary_op *insn = (struct binary_op *) pc; | |
681 | ||
0305960f | 682 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
683 | default: |
684 | ERR("unknown register type\n"); | |
685 | ret = -EINVAL; | |
686 | goto end; | |
687 | ||
688 | case REG_STRING: | |
53569322 MD |
689 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
690 | break; | |
3151a51d | 691 | if (vstack_bx(stack)->type == REG_STAR_GLOB_STRING) |
04aa13f8 | 692 | insn->op = BYTECODE_OP_EQ_STAR_GLOB_STRING; |
3151a51d | 693 | else |
04aa13f8 | 694 | insn->op = BYTECODE_OP_EQ_STRING; |
3151a51d PP |
695 | break; |
696 | case REG_STAR_GLOB_STRING: | |
697 | if (vstack_bx(stack)->type == REG_UNKNOWN) | |
698 | break; | |
04aa13f8 | 699 | insn->op = BYTECODE_OP_EQ_STAR_GLOB_STRING; |
97b58163 MD |
700 | break; |
701 | case REG_S64: | |
d97f9b78 | 702 | case REG_U64: |
53569322 MD |
703 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
704 | break; | |
d97f9b78 MD |
705 | if (vstack_bx(stack)->type == REG_S64 || |
706 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 707 | insn->op = BYTECODE_OP_EQ_S64; |
97b58163 | 708 | else |
04aa13f8 | 709 | insn->op = BYTECODE_OP_EQ_DOUBLE_S64; |
97b58163 MD |
710 | break; |
711 | case REG_DOUBLE: | |
53569322 MD |
712 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
713 | break; | |
d97f9b78 MD |
714 | if (vstack_bx(stack)->type == REG_S64 || |
715 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 716 | insn->op = BYTECODE_OP_EQ_S64_DOUBLE; |
dbea82ec | 717 | else |
04aa13f8 | 718 | insn->op = BYTECODE_OP_EQ_DOUBLE; |
97b58163 | 719 | break; |
53569322 MD |
720 | case REG_UNKNOWN: |
721 | break; /* Dynamic typing. */ | |
97b58163 | 722 | } |
0305960f MD |
723 | /* Pop 2, push 1 */ |
724 | if (vstack_pop(stack)) { | |
725 | ret = -EINVAL; | |
726 | goto end; | |
727 | } | |
728 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
729 | next_pc += sizeof(struct binary_op); |
730 | break; | |
731 | } | |
732 | ||
04aa13f8 | 733 | case BYTECODE_OP_NE: |
97b58163 MD |
734 | { |
735 | struct binary_op *insn = (struct binary_op *) pc; | |
736 | ||
0305960f | 737 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
738 | default: |
739 | ERR("unknown register type\n"); | |
740 | ret = -EINVAL; | |
741 | goto end; | |
742 | ||
743 | case REG_STRING: | |
53569322 MD |
744 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
745 | break; | |
3151a51d | 746 | if (vstack_bx(stack)->type == REG_STAR_GLOB_STRING) |
04aa13f8 | 747 | insn->op = BYTECODE_OP_NE_STAR_GLOB_STRING; |
3151a51d | 748 | else |
04aa13f8 | 749 | insn->op = BYTECODE_OP_NE_STRING; |
3151a51d PP |
750 | break; |
751 | case REG_STAR_GLOB_STRING: | |
752 | if (vstack_bx(stack)->type == REG_UNKNOWN) | |
753 | break; | |
04aa13f8 | 754 | insn->op = BYTECODE_OP_NE_STAR_GLOB_STRING; |
97b58163 MD |
755 | break; |
756 | case REG_S64: | |
d97f9b78 | 757 | case REG_U64: |
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_NE_S64; |
97b58163 | 763 | else |
04aa13f8 | 764 | insn->op = BYTECODE_OP_NE_DOUBLE_S64; |
97b58163 MD |
765 | break; |
766 | case REG_DOUBLE: | |
53569322 MD |
767 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
768 | break; | |
d97f9b78 MD |
769 | if (vstack_bx(stack)->type == REG_S64 || |
770 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 771 | insn->op = BYTECODE_OP_NE_S64_DOUBLE; |
dbea82ec | 772 | else |
04aa13f8 | 773 | insn->op = BYTECODE_OP_NE_DOUBLE; |
97b58163 | 774 | break; |
53569322 MD |
775 | case REG_UNKNOWN: |
776 | break; /* Dynamic typing. */ | |
97b58163 | 777 | } |
0305960f MD |
778 | /* Pop 2, push 1 */ |
779 | if (vstack_pop(stack)) { | |
780 | ret = -EINVAL; | |
781 | goto end; | |
782 | } | |
783 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
784 | next_pc += sizeof(struct binary_op); |
785 | break; | |
786 | } | |
787 | ||
04aa13f8 | 788 | case BYTECODE_OP_GT: |
97b58163 MD |
789 | { |
790 | struct binary_op *insn = (struct binary_op *) pc; | |
791 | ||
0305960f | 792 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
793 | default: |
794 | ERR("unknown register type\n"); | |
795 | ret = -EINVAL; | |
796 | goto end; | |
797 | ||
3151a51d PP |
798 | case REG_STAR_GLOB_STRING: |
799 | ERR("invalid register type for > binary operator\n"); | |
800 | ret = -EINVAL; | |
801 | goto end; | |
97b58163 | 802 | case REG_STRING: |
53569322 MD |
803 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
804 | break; | |
04aa13f8 | 805 | insn->op = BYTECODE_OP_GT_STRING; |
97b58163 MD |
806 | break; |
807 | case REG_S64: | |
d97f9b78 | 808 | case REG_U64: |
53569322 MD |
809 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
810 | break; | |
d97f9b78 MD |
811 | if (vstack_bx(stack)->type == REG_S64 || |
812 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 813 | insn->op = BYTECODE_OP_GT_S64; |
97b58163 | 814 | else |
04aa13f8 | 815 | insn->op = BYTECODE_OP_GT_DOUBLE_S64; |
97b58163 MD |
816 | break; |
817 | case REG_DOUBLE: | |
53569322 MD |
818 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
819 | break; | |
d97f9b78 MD |
820 | if (vstack_bx(stack)->type == REG_S64 || |
821 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 822 | insn->op = BYTECODE_OP_GT_S64_DOUBLE; |
dbea82ec | 823 | else |
04aa13f8 | 824 | insn->op = BYTECODE_OP_GT_DOUBLE; |
97b58163 | 825 | break; |
53569322 MD |
826 | case REG_UNKNOWN: |
827 | break; /* Dynamic typing. */ | |
97b58163 | 828 | } |
0305960f MD |
829 | /* Pop 2, push 1 */ |
830 | if (vstack_pop(stack)) { | |
831 | ret = -EINVAL; | |
832 | goto end; | |
833 | } | |
834 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
835 | next_pc += sizeof(struct binary_op); |
836 | break; | |
837 | } | |
838 | ||
04aa13f8 | 839 | case BYTECODE_OP_LT: |
97b58163 MD |
840 | { |
841 | struct binary_op *insn = (struct binary_op *) pc; | |
842 | ||
0305960f | 843 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
844 | default: |
845 | ERR("unknown register type\n"); | |
846 | ret = -EINVAL; | |
847 | goto end; | |
848 | ||
3151a51d PP |
849 | case REG_STAR_GLOB_STRING: |
850 | ERR("invalid register type for < binary operator\n"); | |
851 | ret = -EINVAL; | |
852 | goto end; | |
97b58163 | 853 | case REG_STRING: |
53569322 MD |
854 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
855 | break; | |
04aa13f8 | 856 | insn->op = BYTECODE_OP_LT_STRING; |
97b58163 MD |
857 | break; |
858 | case REG_S64: | |
d97f9b78 | 859 | case REG_U64: |
53569322 MD |
860 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
861 | break; | |
d97f9b78 MD |
862 | if (vstack_bx(stack)->type == REG_S64 || |
863 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 864 | insn->op = BYTECODE_OP_LT_S64; |
97b58163 | 865 | else |
04aa13f8 | 866 | insn->op = BYTECODE_OP_LT_DOUBLE_S64; |
97b58163 MD |
867 | break; |
868 | case REG_DOUBLE: | |
53569322 MD |
869 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
870 | break; | |
d97f9b78 MD |
871 | if (vstack_bx(stack)->type == REG_S64 || |
872 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 873 | insn->op = BYTECODE_OP_LT_S64_DOUBLE; |
dbea82ec | 874 | else |
04aa13f8 | 875 | insn->op = BYTECODE_OP_LT_DOUBLE; |
97b58163 | 876 | break; |
53569322 MD |
877 | case REG_UNKNOWN: |
878 | break; /* Dynamic typing. */ | |
97b58163 | 879 | } |
0305960f MD |
880 | /* Pop 2, push 1 */ |
881 | if (vstack_pop(stack)) { | |
882 | ret = -EINVAL; | |
883 | goto end; | |
884 | } | |
885 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
886 | next_pc += sizeof(struct binary_op); |
887 | break; | |
888 | } | |
889 | ||
04aa13f8 | 890 | case BYTECODE_OP_GE: |
97b58163 MD |
891 | { |
892 | struct binary_op *insn = (struct binary_op *) pc; | |
893 | ||
0305960f | 894 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
895 | default: |
896 | ERR("unknown register type\n"); | |
897 | ret = -EINVAL; | |
898 | goto end; | |
899 | ||
3151a51d PP |
900 | case REG_STAR_GLOB_STRING: |
901 | ERR("invalid register type for >= binary operator\n"); | |
902 | ret = -EINVAL; | |
903 | goto end; | |
97b58163 | 904 | case REG_STRING: |
53569322 MD |
905 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
906 | break; | |
04aa13f8 | 907 | insn->op = BYTECODE_OP_GE_STRING; |
97b58163 MD |
908 | break; |
909 | case REG_S64: | |
d97f9b78 | 910 | case REG_U64: |
53569322 MD |
911 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
912 | break; | |
d97f9b78 MD |
913 | if (vstack_bx(stack)->type == REG_S64 || |
914 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 915 | insn->op = BYTECODE_OP_GE_S64; |
97b58163 | 916 | else |
04aa13f8 | 917 | insn->op = BYTECODE_OP_GE_DOUBLE_S64; |
97b58163 MD |
918 | break; |
919 | case REG_DOUBLE: | |
53569322 MD |
920 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
921 | break; | |
d97f9b78 MD |
922 | if (vstack_bx(stack)->type == REG_S64 || |
923 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 924 | insn->op = BYTECODE_OP_GE_S64_DOUBLE; |
dbea82ec | 925 | else |
04aa13f8 | 926 | insn->op = BYTECODE_OP_GE_DOUBLE; |
97b58163 | 927 | break; |
53569322 MD |
928 | case REG_UNKNOWN: |
929 | break; /* Dynamic typing. */ | |
97b58163 | 930 | } |
0305960f MD |
931 | /* Pop 2, push 1 */ |
932 | if (vstack_pop(stack)) { | |
933 | ret = -EINVAL; | |
934 | goto end; | |
935 | } | |
d97f9b78 | 936 | vstack_ax(stack)->type = REG_U64; |
97b58163 MD |
937 | next_pc += sizeof(struct binary_op); |
938 | break; | |
939 | } | |
04aa13f8 | 940 | case BYTECODE_OP_LE: |
97b58163 MD |
941 | { |
942 | struct binary_op *insn = (struct binary_op *) pc; | |
943 | ||
0305960f | 944 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
945 | default: |
946 | ERR("unknown register type\n"); | |
947 | ret = -EINVAL; | |
948 | goto end; | |
949 | ||
3151a51d PP |
950 | case REG_STAR_GLOB_STRING: |
951 | ERR("invalid register type for <= binary operator\n"); | |
952 | ret = -EINVAL; | |
953 | goto end; | |
97b58163 | 954 | case REG_STRING: |
53569322 MD |
955 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
956 | break; | |
04aa13f8 | 957 | insn->op = BYTECODE_OP_LE_STRING; |
97b58163 MD |
958 | break; |
959 | case REG_S64: | |
d97f9b78 | 960 | case REG_U64: |
53569322 MD |
961 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
962 | break; | |
d97f9b78 MD |
963 | if (vstack_bx(stack)->type == REG_S64 || |
964 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 965 | insn->op = BYTECODE_OP_LE_S64; |
97b58163 | 966 | else |
04aa13f8 | 967 | insn->op = BYTECODE_OP_LE_DOUBLE_S64; |
97b58163 MD |
968 | break; |
969 | case REG_DOUBLE: | |
53569322 MD |
970 | if (vstack_bx(stack)->type == REG_UNKNOWN) |
971 | break; | |
d97f9b78 MD |
972 | if (vstack_bx(stack)->type == REG_S64 || |
973 | vstack_bx(stack)->type == REG_U64) | |
04aa13f8 | 974 | insn->op = BYTECODE_OP_LE_S64_DOUBLE; |
dbea82ec | 975 | else |
04aa13f8 | 976 | insn->op = BYTECODE_OP_LE_DOUBLE; |
97b58163 | 977 | break; |
53569322 MD |
978 | case REG_UNKNOWN: |
979 | break; /* Dynamic typing. */ | |
97b58163 | 980 | } |
0305960f | 981 | vstack_ax(stack)->type = REG_S64; |
97b58163 MD |
982 | next_pc += sizeof(struct binary_op); |
983 | break; | |
984 | } | |
985 | ||
04aa13f8 FD |
986 | case BYTECODE_OP_EQ_STRING: |
987 | case BYTECODE_OP_NE_STRING: | |
988 | case BYTECODE_OP_GT_STRING: | |
989 | case BYTECODE_OP_LT_STRING: | |
990 | case BYTECODE_OP_GE_STRING: | |
991 | case BYTECODE_OP_LE_STRING: | |
992 | case BYTECODE_OP_EQ_STAR_GLOB_STRING: | |
993 | case BYTECODE_OP_NE_STAR_GLOB_STRING: | |
994 | case BYTECODE_OP_EQ_S64: | |
995 | case BYTECODE_OP_NE_S64: | |
996 | case BYTECODE_OP_GT_S64: | |
997 | case BYTECODE_OP_LT_S64: | |
998 | case BYTECODE_OP_GE_S64: | |
999 | case BYTECODE_OP_LE_S64: | |
1000 | case BYTECODE_OP_EQ_DOUBLE: | |
1001 | case BYTECODE_OP_NE_DOUBLE: | |
1002 | case BYTECODE_OP_GT_DOUBLE: | |
1003 | case BYTECODE_OP_LT_DOUBLE: | |
1004 | case BYTECODE_OP_GE_DOUBLE: | |
1005 | case BYTECODE_OP_LE_DOUBLE: | |
1006 | case BYTECODE_OP_EQ_DOUBLE_S64: | |
1007 | case BYTECODE_OP_NE_DOUBLE_S64: | |
1008 | case BYTECODE_OP_GT_DOUBLE_S64: | |
1009 | case BYTECODE_OP_LT_DOUBLE_S64: | |
1010 | case BYTECODE_OP_GE_DOUBLE_S64: | |
1011 | case BYTECODE_OP_LE_DOUBLE_S64: | |
1012 | case BYTECODE_OP_EQ_S64_DOUBLE: | |
1013 | case BYTECODE_OP_NE_S64_DOUBLE: | |
1014 | case BYTECODE_OP_GT_S64_DOUBLE: | |
1015 | case BYTECODE_OP_LT_S64_DOUBLE: | |
1016 | case BYTECODE_OP_GE_S64_DOUBLE: | |
1017 | case BYTECODE_OP_LE_S64_DOUBLE: | |
d97f9b78 MD |
1018 | { |
1019 | /* Pop 2, push 1 */ | |
1020 | if (vstack_pop(stack)) { | |
1021 | ret = -EINVAL; | |
1022 | goto end; | |
1023 | } | |
1024 | vstack_ax(stack)->type = REG_S64; | |
1025 | next_pc += sizeof(struct binary_op); | |
1026 | break; | |
1027 | } | |
1028 | ||
04aa13f8 FD |
1029 | case BYTECODE_OP_BIT_RSHIFT: |
1030 | case BYTECODE_OP_BIT_LSHIFT: | |
1031 | case BYTECODE_OP_BIT_AND: | |
1032 | case BYTECODE_OP_BIT_OR: | |
1033 | case BYTECODE_OP_BIT_XOR: | |
97b58163 | 1034 | { |
0305960f MD |
1035 | /* Pop 2, push 1 */ |
1036 | if (vstack_pop(stack)) { | |
1037 | ret = -EINVAL; | |
1038 | goto end; | |
1039 | } | |
1040 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1041 | next_pc += sizeof(struct binary_op); |
1042 | break; | |
1043 | } | |
1044 | ||
1045 | /* unary */ | |
04aa13f8 | 1046 | case BYTECODE_OP_UNARY_PLUS: |
97b58163 MD |
1047 | { |
1048 | struct unary_op *insn = (struct unary_op *) pc; | |
1049 | ||
0305960f | 1050 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
1051 | default: |
1052 | ERR("unknown register type\n"); | |
1053 | ret = -EINVAL; | |
1054 | goto end; | |
1055 | ||
1056 | case REG_S64: | |
d97f9b78 | 1057 | case REG_U64: |
04aa13f8 | 1058 | insn->op = BYTECODE_OP_UNARY_PLUS_S64; |
97b58163 MD |
1059 | break; |
1060 | case REG_DOUBLE: | |
04aa13f8 | 1061 | insn->op = BYTECODE_OP_UNARY_PLUS_DOUBLE; |
97b58163 | 1062 | break; |
53569322 MD |
1063 | case REG_UNKNOWN: /* Dynamic typing. */ |
1064 | break; | |
97b58163 | 1065 | } |
0305960f | 1066 | /* Pop 1, push 1 */ |
97b58163 MD |
1067 | next_pc += sizeof(struct unary_op); |
1068 | break; | |
1069 | } | |
1070 | ||
04aa13f8 | 1071 | case BYTECODE_OP_UNARY_MINUS: |
97b58163 MD |
1072 | { |
1073 | struct unary_op *insn = (struct unary_op *) pc; | |
1074 | ||
0305960f | 1075 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
1076 | default: |
1077 | ERR("unknown register type\n"); | |
1078 | ret = -EINVAL; | |
1079 | goto end; | |
1080 | ||
1081 | case REG_S64: | |
d97f9b78 | 1082 | case REG_U64: |
04aa13f8 | 1083 | insn->op = BYTECODE_OP_UNARY_MINUS_S64; |
97b58163 MD |
1084 | break; |
1085 | case REG_DOUBLE: | |
04aa13f8 | 1086 | insn->op = BYTECODE_OP_UNARY_MINUS_DOUBLE; |
97b58163 | 1087 | break; |
53569322 MD |
1088 | case REG_UNKNOWN: /* Dynamic typing. */ |
1089 | break; | |
97b58163 | 1090 | } |
0305960f | 1091 | /* Pop 1, push 1 */ |
97b58163 MD |
1092 | next_pc += sizeof(struct unary_op); |
1093 | break; | |
1094 | } | |
1095 | ||
04aa13f8 | 1096 | case BYTECODE_OP_UNARY_NOT: |
97b58163 MD |
1097 | { |
1098 | struct unary_op *insn = (struct unary_op *) pc; | |
1099 | ||
0305960f | 1100 | switch(vstack_ax(stack)->type) { |
97b58163 MD |
1101 | default: |
1102 | ERR("unknown register type\n"); | |
1103 | ret = -EINVAL; | |
1104 | goto end; | |
1105 | ||
1106 | case REG_S64: | |
d97f9b78 | 1107 | case REG_U64: |
04aa13f8 | 1108 | insn->op = BYTECODE_OP_UNARY_NOT_S64; |
97b58163 MD |
1109 | break; |
1110 | case REG_DOUBLE: | |
04aa13f8 | 1111 | insn->op = BYTECODE_OP_UNARY_NOT_DOUBLE; |
97b58163 | 1112 | break; |
53569322 MD |
1113 | case REG_UNKNOWN: /* Dynamic typing. */ |
1114 | break; | |
97b58163 | 1115 | } |
0305960f | 1116 | /* Pop 1, push 1 */ |
97b58163 MD |
1117 | next_pc += sizeof(struct unary_op); |
1118 | break; | |
1119 | } | |
1120 | ||
04aa13f8 | 1121 | case BYTECODE_OP_UNARY_BIT_NOT: |
0039e2d8 MD |
1122 | { |
1123 | /* Pop 1, push 1 */ | |
1124 | next_pc += sizeof(struct unary_op); | |
1125 | break; | |
1126 | } | |
1127 | ||
04aa13f8 FD |
1128 | case BYTECODE_OP_UNARY_PLUS_S64: |
1129 | case BYTECODE_OP_UNARY_MINUS_S64: | |
1130 | case BYTECODE_OP_UNARY_NOT_S64: | |
1131 | case BYTECODE_OP_UNARY_PLUS_DOUBLE: | |
1132 | case BYTECODE_OP_UNARY_MINUS_DOUBLE: | |
1133 | case BYTECODE_OP_UNARY_NOT_DOUBLE: | |
97b58163 | 1134 | { |
0305960f | 1135 | /* Pop 1, push 1 */ |
97b58163 MD |
1136 | next_pc += sizeof(struct unary_op); |
1137 | break; | |
1138 | } | |
1139 | ||
1140 | /* logical */ | |
04aa13f8 FD |
1141 | case BYTECODE_OP_AND: |
1142 | case BYTECODE_OP_OR: | |
97b58163 | 1143 | { |
b9f4cd79 MD |
1144 | /* Continue to next instruction */ |
1145 | /* Pop 1 when jump not taken */ | |
1146 | if (vstack_pop(stack)) { | |
1147 | ret = -EINVAL; | |
1148 | goto end; | |
1149 | } | |
97b58163 MD |
1150 | next_pc += sizeof(struct logical_op); |
1151 | break; | |
1152 | } | |
1153 | ||
77aa5901 | 1154 | /* load field ref */ |
04aa13f8 | 1155 | case BYTECODE_OP_LOAD_FIELD_REF: |
97b58163 MD |
1156 | { |
1157 | ERR("Unknown field ref type\n"); | |
1158 | ret = -EINVAL; | |
1159 | goto end; | |
1160 | } | |
77aa5901 | 1161 | /* get context ref */ |
04aa13f8 | 1162 | case BYTECODE_OP_GET_CONTEXT_REF: |
77aa5901 | 1163 | { |
53569322 MD |
1164 | if (vstack_push(stack)) { |
1165 | ret = -EINVAL; | |
1166 | goto end; | |
1167 | } | |
1168 | vstack_ax(stack)->type = REG_UNKNOWN; | |
1169 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); | |
1170 | break; | |
77aa5901 | 1171 | } |
04aa13f8 FD |
1172 | case BYTECODE_OP_LOAD_FIELD_REF_STRING: |
1173 | case BYTECODE_OP_LOAD_FIELD_REF_SEQUENCE: | |
1174 | case BYTECODE_OP_GET_CONTEXT_REF_STRING: | |
97b58163 | 1175 | { |
0305960f MD |
1176 | if (vstack_push(stack)) { |
1177 | ret = -EINVAL; | |
1178 | goto end; | |
1179 | } | |
1180 | vstack_ax(stack)->type = REG_STRING; | |
97b58163 MD |
1181 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1182 | break; | |
1183 | } | |
04aa13f8 FD |
1184 | case BYTECODE_OP_LOAD_FIELD_REF_S64: |
1185 | case BYTECODE_OP_GET_CONTEXT_REF_S64: | |
97b58163 | 1186 | { |
0305960f MD |
1187 | if (vstack_push(stack)) { |
1188 | ret = -EINVAL; | |
1189 | goto end; | |
1190 | } | |
1191 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1192 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1193 | break; | |
1194 | } | |
04aa13f8 FD |
1195 | case BYTECODE_OP_LOAD_FIELD_REF_DOUBLE: |
1196 | case BYTECODE_OP_GET_CONTEXT_REF_DOUBLE: | |
97b58163 | 1197 | { |
0305960f MD |
1198 | if (vstack_push(stack)) { |
1199 | ret = -EINVAL; | |
1200 | goto end; | |
1201 | } | |
1202 | vstack_ax(stack)->type = REG_DOUBLE; | |
97b58163 MD |
1203 | next_pc += sizeof(struct load_op) + sizeof(struct field_ref); |
1204 | break; | |
1205 | } | |
1206 | ||
77aa5901 | 1207 | /* load from immediate operand */ |
04aa13f8 | 1208 | case BYTECODE_OP_LOAD_STRING: |
97b58163 MD |
1209 | { |
1210 | struct load_op *insn = (struct load_op *) pc; | |
1211 | ||
0305960f MD |
1212 | if (vstack_push(stack)) { |
1213 | ret = -EINVAL; | |
1214 | goto end; | |
1215 | } | |
1216 | vstack_ax(stack)->type = REG_STRING; | |
97b58163 MD |
1217 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; |
1218 | break; | |
1219 | } | |
1220 | ||
04aa13f8 | 1221 | case BYTECODE_OP_LOAD_STAR_GLOB_STRING: |
3151a51d PP |
1222 | { |
1223 | struct load_op *insn = (struct load_op *) pc; | |
1224 | ||
1225 | if (vstack_push(stack)) { | |
1226 | ret = -EINVAL; | |
1227 | goto end; | |
1228 | } | |
1229 | vstack_ax(stack)->type = REG_STAR_GLOB_STRING; | |
1230 | next_pc += sizeof(struct load_op) + strlen(insn->data) + 1; | |
1231 | break; | |
1232 | } | |
1233 | ||
04aa13f8 | 1234 | case BYTECODE_OP_LOAD_S64: |
97b58163 | 1235 | { |
0305960f MD |
1236 | if (vstack_push(stack)) { |
1237 | ret = -EINVAL; | |
1238 | goto end; | |
1239 | } | |
1240 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1241 | next_pc += sizeof(struct load_op) |
1242 | + sizeof(struct literal_numeric); | |
1243 | break; | |
1244 | } | |
1245 | ||
04aa13f8 | 1246 | case BYTECODE_OP_LOAD_DOUBLE: |
97b58163 | 1247 | { |
0305960f MD |
1248 | if (vstack_push(stack)) { |
1249 | ret = -EINVAL; | |
1250 | goto end; | |
1251 | } | |
1252 | vstack_ax(stack)->type = REG_DOUBLE; | |
97b58163 MD |
1253 | next_pc += sizeof(struct load_op) |
1254 | + sizeof(struct literal_double); | |
1255 | break; | |
1256 | } | |
1257 | ||
1258 | /* cast */ | |
04aa13f8 | 1259 | case BYTECODE_OP_CAST_TO_S64: |
97b58163 MD |
1260 | { |
1261 | struct cast_op *insn = (struct cast_op *) pc; | |
1262 | ||
0305960f | 1263 | switch (vstack_ax(stack)->type) { |
97b58163 MD |
1264 | default: |
1265 | ERR("unknown register type\n"); | |
1266 | ret = -EINVAL; | |
1267 | goto end; | |
1268 | ||
1269 | case REG_STRING: | |
3151a51d | 1270 | case REG_STAR_GLOB_STRING: |
97b58163 MD |
1271 | ERR("Cast op can only be applied to numeric or floating point registers\n"); |
1272 | ret = -EINVAL; | |
1273 | goto end; | |
1274 | case REG_S64: | |
04aa13f8 | 1275 | insn->op = BYTECODE_OP_CAST_NOP; |
97b58163 MD |
1276 | break; |
1277 | case REG_DOUBLE: | |
04aa13f8 | 1278 | insn->op = BYTECODE_OP_CAST_DOUBLE_TO_S64; |
97b58163 | 1279 | break; |
53569322 | 1280 | case REG_UNKNOWN: |
d97f9b78 | 1281 | case REG_U64: |
53569322 | 1282 | break; |
97b58163 | 1283 | } |
0305960f MD |
1284 | /* Pop 1, push 1 */ |
1285 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1286 | next_pc += sizeof(struct cast_op); |
1287 | break; | |
1288 | } | |
04aa13f8 | 1289 | case BYTECODE_OP_CAST_DOUBLE_TO_S64: |
97b58163 | 1290 | { |
0305960f MD |
1291 | /* Pop 1, push 1 */ |
1292 | vstack_ax(stack)->type = REG_S64; | |
97b58163 MD |
1293 | next_pc += sizeof(struct cast_op); |
1294 | break; | |
1295 | } | |
04aa13f8 | 1296 | case BYTECODE_OP_CAST_NOP: |
97b58163 MD |
1297 | { |
1298 | next_pc += sizeof(struct cast_op); | |
1299 | break; | |
1300 | } | |
1301 | ||
47e5f13e MD |
1302 | /* |
1303 | * Instructions for recursive traversal through composed types. | |
1304 | */ | |
04aa13f8 | 1305 | case BYTECODE_OP_GET_CONTEXT_ROOT: |
47e5f13e MD |
1306 | { |
1307 | if (vstack_push(stack)) { | |
1308 | ret = -EINVAL; | |
1309 | goto end; | |
1310 | } | |
1311 | vstack_ax(stack)->type = REG_PTR; | |
1312 | vstack_ax(stack)->load.type = LOAD_ROOT_CONTEXT; | |
1313 | next_pc += sizeof(struct load_op); | |
1314 | break; | |
1315 | } | |
04aa13f8 | 1316 | case BYTECODE_OP_GET_APP_CONTEXT_ROOT: |
47e5f13e MD |
1317 | { |
1318 | if (vstack_push(stack)) { | |
1319 | ret = -EINVAL; | |
1320 | goto end; | |
1321 | } | |
1322 | vstack_ax(stack)->type = REG_PTR; | |
1323 | vstack_ax(stack)->load.type = LOAD_ROOT_APP_CONTEXT; | |
1324 | next_pc += sizeof(struct load_op); | |
1325 | break; | |
1326 | } | |
04aa13f8 | 1327 | case BYTECODE_OP_GET_PAYLOAD_ROOT: |
47e5f13e MD |
1328 | { |
1329 | if (vstack_push(stack)) { | |
1330 | ret = -EINVAL; | |
1331 | goto end; | |
1332 | } | |
1333 | vstack_ax(stack)->type = REG_PTR; | |
1334 | vstack_ax(stack)->load.type = LOAD_ROOT_PAYLOAD; | |
1335 | next_pc += sizeof(struct load_op); | |
1336 | break; | |
1337 | } | |
1338 | ||
04aa13f8 | 1339 | case BYTECODE_OP_LOAD_FIELD: |
47e5f13e MD |
1340 | { |
1341 | struct load_op *insn = (struct load_op *) pc; | |
1342 | ||
1343 | assert(vstack_ax(stack)->type == REG_PTR); | |
1344 | /* Pop 1, push 1 */ | |
1345 | ret = specialize_load_field(vstack_ax(stack), insn); | |
1346 | if (ret) | |
1347 | goto end; | |
1348 | ||
1349 | next_pc += sizeof(struct load_op); | |
1350 | break; | |
1351 | } | |
1352 | ||
04aa13f8 FD |
1353 | case BYTECODE_OP_LOAD_FIELD_S8: |
1354 | case BYTECODE_OP_LOAD_FIELD_S16: | |
1355 | case BYTECODE_OP_LOAD_FIELD_S32: | |
1356 | case BYTECODE_OP_LOAD_FIELD_S64: | |
d97f9b78 MD |
1357 | { |
1358 | /* Pop 1, push 1 */ | |
1359 | vstack_ax(stack)->type = REG_S64; | |
1360 | next_pc += sizeof(struct load_op); | |
1361 | break; | |
1362 | } | |
1363 | ||
04aa13f8 FD |
1364 | case BYTECODE_OP_LOAD_FIELD_U8: |
1365 | case BYTECODE_OP_LOAD_FIELD_U16: | |
1366 | case BYTECODE_OP_LOAD_FIELD_U32: | |
1367 | case BYTECODE_OP_LOAD_FIELD_U64: | |
47e5f13e MD |
1368 | { |
1369 | /* Pop 1, push 1 */ | |
d97f9b78 | 1370 | vstack_ax(stack)->type = REG_U64; |
47e5f13e MD |
1371 | next_pc += sizeof(struct load_op); |
1372 | break; | |
1373 | } | |
1374 | ||
04aa13f8 FD |
1375 | case BYTECODE_OP_LOAD_FIELD_STRING: |
1376 | case BYTECODE_OP_LOAD_FIELD_SEQUENCE: | |
47e5f13e MD |
1377 | { |
1378 | /* Pop 1, push 1 */ | |
1379 | vstack_ax(stack)->type = REG_STRING; | |
1380 | next_pc += sizeof(struct load_op); | |
1381 | break; | |
1382 | } | |
1383 | ||
04aa13f8 | 1384 | case BYTECODE_OP_LOAD_FIELD_DOUBLE: |
47e5f13e MD |
1385 | { |
1386 | /* Pop 1, push 1 */ | |
1387 | vstack_ax(stack)->type = REG_DOUBLE; | |
1388 | next_pc += sizeof(struct load_op); | |
1389 | break; | |
1390 | } | |
1391 | ||
04aa13f8 | 1392 | case BYTECODE_OP_GET_SYMBOL: |
47e5f13e MD |
1393 | { |
1394 | struct load_op *insn = (struct load_op *) pc; | |
1395 | ||
1396 | dbg_printf("op get symbol\n"); | |
1397 | switch (vstack_ax(stack)->load.type) { | |
1398 | case LOAD_OBJECT: | |
1399 | ERR("Nested fields not implemented yet."); | |
1400 | ret = -EINVAL; | |
1401 | goto end; | |
1402 | case LOAD_ROOT_CONTEXT: | |
1403 | /* Lookup context field. */ | |
b77aaa1b | 1404 | ret = specialize_context_lookup(*pctx, |
47e5f13e MD |
1405 | bytecode, insn, |
1406 | &vstack_ax(stack)->load); | |
1407 | if (ret) | |
1408 | goto end; | |
1409 | break; | |
1410 | case LOAD_ROOT_APP_CONTEXT: | |
1411 | /* Lookup app context field. */ | |
b77aaa1b | 1412 | ret = specialize_app_context_lookup(pctx, |
47e5f13e MD |
1413 | bytecode, insn, |
1414 | &vstack_ax(stack)->load); | |
1415 | if (ret) | |
1416 | goto end; | |
1417 | break; | |
1418 | case LOAD_ROOT_PAYLOAD: | |
1419 | /* Lookup event payload field. */ | |
53b9d7db | 1420 | ret = specialize_payload_lookup(event_desc, |
47e5f13e MD |
1421 | bytecode, insn, |
1422 | &vstack_ax(stack)->load); | |
1423 | if (ret) | |
1424 | goto end; | |
1425 | break; | |
1426 | } | |
1427 | next_pc += sizeof(struct load_op) + sizeof(struct get_symbol); | |
1428 | break; | |
1429 | } | |
1430 | ||
04aa13f8 | 1431 | case BYTECODE_OP_GET_SYMBOL_FIELD: |
47e5f13e MD |
1432 | { |
1433 | /* Always generated by specialize phase. */ | |
1434 | ret = -EINVAL; | |
1435 | goto end; | |
1436 | } | |
1437 | ||
04aa13f8 | 1438 | case BYTECODE_OP_GET_INDEX_U16: |
47e5f13e MD |
1439 | { |
1440 | struct load_op *insn = (struct load_op *) pc; | |
1441 | struct get_index_u16 *index = (struct get_index_u16 *) insn->data; | |
1442 | ||
1443 | dbg_printf("op get index u16\n"); | |
1444 | /* Pop 1, push 1 */ | |
1445 | ret = specialize_get_index(bytecode, insn, index->index, | |
1446 | vstack_ax(stack), sizeof(*index)); | |
1447 | if (ret) | |
1448 | goto end; | |
1449 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u16); | |
1450 | break; | |
1451 | } | |
1452 | ||
04aa13f8 | 1453 | case BYTECODE_OP_GET_INDEX_U64: |
47e5f13e MD |
1454 | { |
1455 | struct load_op *insn = (struct load_op *) pc; | |
1456 | struct get_index_u64 *index = (struct get_index_u64 *) insn->data; | |
1457 | ||
1458 | dbg_printf("op get index u64\n"); | |
1459 | /* Pop 1, push 1 */ | |
1460 | ret = specialize_get_index(bytecode, insn, index->index, | |
1461 | vstack_ax(stack), sizeof(*index)); | |
1462 | if (ret) | |
1463 | goto end; | |
1464 | next_pc += sizeof(struct load_op) + sizeof(struct get_index_u64); | |
1465 | break; | |
1466 | } | |
1467 | ||
97b58163 MD |
1468 | } |
1469 | } | |
1470 | end: | |
1471 | return ret; | |
1472 | } |