92d82357 |
1 | /****************************************************************************** |
2 | * Genevent |
3 | * |
4 | * Event generator. XML to logging C code converter. |
5 | * |
6 | * Program parameters : |
7 | * ./genevent name.xml |
8 | * |
9 | * Will generate ltt-facility-name.h, ltt-facility-id-name.h |
10 | * ltt-facility-loader-name.c, ltt-facility-loader-name.h |
11 | * in the current directory. |
12 | * |
13 | * Supports : |
14 | * - C Alignment |
15 | * - C types : struct, union, enum, basic types. |
16 | * - Architectures : LP32, ILP32, ILP64, LLP64, LP64. |
17 | * |
18 | * Additionnal structures supported : |
19 | * - embedded variable size strings |
20 | * - embedded variable size arrays |
21 | * - embedded variable size sequences |
22 | * |
23 | * Notes : |
24 | * (1) |
25 | * enums are limited to integer type, as this is what is used in C. Note, |
26 | * however, that ISO/IEC 9899:TC2 specify that the type of enum can be char, |
27 | * unsigned int or int. This is implementation defined (compiler). That's why we |
28 | * add a check for sizeof enum. |
29 | * |
30 | * (2) |
31 | * Because of archtecture defined type sizes, we need to ask for ltt_align |
32 | * (which gives the alignment) by passing basic types, not their actual sizes. |
33 | * It's up to ltt_align to determine sizes of types. |
34 | * |
35 | * Note that, from |
36 | * http://www.usenix.org/publications/login/standards/10.data.html |
37 | * (Andrew Josey <a.josey@opengroup.org>) : |
38 | * |
39 | * Data Type LP32 ILP32 ILP64 LLP64 LP64 |
40 | * char 8 8 8 8 8 |
41 | * short 16 16 16 16 16 |
42 | * int32 32 |
43 | * int 16 32 64 32 32 |
44 | * long 32 32 64 32 64 |
45 | * long long (int64) 64 |
46 | * pointer 32 32 64 64 64 |
47 | * |
48 | * With these constraints : |
49 | * sizeof(char) <= sizeof(short) <= sizeof(int) |
50 | * <= sizeof(long) = sizeof(size_t) |
51 | * |
52 | * and therefore sizeof(long) <= sizeof(pointer) <= sizeof(size_t) |
53 | * |
54 | * Which means we only have to remember which is the biggest type in a structure |
55 | * to know the structure's alignment. |
56 | */ |
57 | |
2d2d14a7 |
58 | #define _GNU_SOURCE |
59 | #include <limits.h> |
60 | #include <stdlib.h> |
92d82357 |
61 | #include <errno.h> |
62 | #include <sys/types.h> |
63 | #include <sys/stat.h> |
64 | #include <fcntl.h> |
65 | #include <stdio.h> |
66 | #include <string.h> |
67 | #include <unistd.h> |
2d2d14a7 |
68 | #include <assert.h> |
92d82357 |
69 | |
70 | #include "genevent.h" |
71 | #include "parser.h" |
72 | |
73 | |
74 | #define TRUE 1 |
75 | #define FALSE (!TRUE) |
76 | |
2d2d14a7 |
77 | /* Debugging printf */ |
78 | #ifdef DEBUG |
79 | #define dprintf(...) \ |
80 | do {\ |
81 | printf(__FILE__ ",%u,%s: ",\ |
82 | __LINE__, __func__);\ |
83 | printf(__VA_ARGS__);\ |
84 | } while(0) |
85 | #else |
86 | #define dprintf(...) |
87 | #endif |
88 | |
92d82357 |
89 | /* Code printing */ |
90 | |
2d2d14a7 |
91 | void print_tabs(unsigned int tabs, FILE *fd) |
92 | { |
93 | for(unsigned int i = 0; i<tabs;i++) |
94 | fprintf(fd, "\t"); |
95 | } |
96 | |
2d2d14a7 |
97 | /* print type. |
98 | * |
99 | * Copied from construct_types_and_fields in LTTV facility.c */ |
100 | |
101 | int print_type(type_descriptor_t * td, FILE *fd, unsigned int tabs, |
102 | char *nest_name, char *field_name) |
103 | { |
104 | char basename[PATH_MAX]; |
105 | unsigned int basename_len = 0; |
106 | |
107 | strcpy(basename, nest_name); |
108 | basename_len = strlen(basename); |
109 | |
110 | /* For a named type, we use the type_name directly */ |
111 | if(td->type_name != NULL) { |
112 | strncpy(basename, td->type_name, PATH_MAX); |
113 | basename_len = strlen(basename); |
114 | } else { |
115 | /* For a unnamed type, there must be a field name */ |
7b175edc |
116 | if((basename_len != 0) |
117 | && (basename[basename_len-1] != '_') |
118 | && (field_name[0] != '\0')) { |
2d2d14a7 |
119 | strncat(basename, "_", PATH_MAX - basename_len); |
120 | basename_len = strlen(basename); |
121 | } |
122 | strncat(basename, field_name, PATH_MAX - basename_len); |
123 | } |
124 | |
125 | switch(td->type) { |
126 | case INT_FIXED: |
127 | fprintf(fd, "%s", intOutputTypes[getSizeindex(td->size)]); |
128 | break; |
129 | case UINT_FIXED: |
130 | fprintf(fd, "%s", uintOutputTypes[getSizeindex(td->size)]); |
131 | break; |
132 | case CHAR: |
133 | fprintf(fd, "signed char"); |
134 | break; |
135 | case UCHAR: |
136 | fprintf(fd, "unsigned char"); |
137 | break; |
138 | case SHORT: |
139 | fprintf(fd, "short"); |
140 | break; |
141 | case USHORT: |
142 | fprintf(fd, "unsigned short"); |
143 | break; |
144 | case INT: |
145 | fprintf(fd, "int"); |
146 | break; |
147 | case UINT: |
148 | fprintf(fd, "unsigned int"); |
149 | break; |
150 | case FLOAT: |
151 | fprintf(fd, "%s", floatOutputTypes[getSizeindex(td->size)]); |
152 | break; |
153 | case POINTER: |
458989d8 |
154 | fprintf(fd, "const void *"); |
2d2d14a7 |
155 | break; |
156 | case LONG: |
157 | fprintf(fd, "long"); |
158 | break; |
159 | case ULONG: |
160 | fprintf(fd, "unsigned long"); |
161 | break; |
162 | case SIZE_T: |
163 | fprintf(fd, "size_t"); |
164 | break; |
165 | case SSIZE_T: |
166 | fprintf(fd, "ssize_t"); |
167 | break; |
168 | case OFF_T: |
169 | fprintf(fd, "off_t"); |
170 | break; |
171 | case STRING: |
3d9b9b0c |
172 | fprintf(fd, "const char *"); |
2d2d14a7 |
173 | break; |
174 | case ENUM: |
175 | fprintf(fd, "enum lttng_%s", basename); |
176 | break; |
177 | case ARRAY: |
178 | fprintf(fd, "lttng_array_%s", basename); |
179 | break; |
180 | case SEQUENCE: |
181 | fprintf(fd, "lttng_sequence_%s", basename); |
182 | break; |
183 | case STRUCT: |
184 | fprintf(fd, "struct lttng_%s", basename); |
185 | break; |
186 | case UNION: |
187 | fprintf(fd, "union lttng_%s", basename); |
188 | break; |
189 | default: |
190 | printf("print_type : unknown type\n"); |
191 | return 1; |
192 | } |
193 | |
194 | return 0; |
195 | } |
196 | |
7e97b039 |
197 | /* Print logging function argument */ |
198 | int print_arg(type_descriptor_t * td, FILE *fd, unsigned int tabs, |
199 | char *nest_name, char *field_name) |
200 | { |
201 | char basename[PATH_MAX]; |
202 | unsigned int basename_len = 0; |
203 | |
204 | strcpy(basename, nest_name); |
205 | basename_len = strlen(basename); |
206 | |
207 | /* For a named type, we use the type_name directly */ |
208 | if(td->type_name != NULL) { |
209 | strncpy(basename, td->type_name, PATH_MAX); |
210 | basename_len = strlen(basename); |
211 | } else { |
212 | /* For a unnamed type, there must be a field name */ |
213 | if((basename_len != 0) |
214 | && (basename[basename_len-1] != '_') |
215 | && (field_name[0] != '\0')) { |
216 | strncat(basename, "_", PATH_MAX - basename_len); |
217 | basename_len = strlen(basename); |
218 | } |
219 | strncat(basename, field_name, PATH_MAX - basename_len); |
220 | } |
221 | |
222 | print_tabs(tabs, fd); |
223 | |
224 | switch(td->type) { |
225 | case INT_FIXED: |
226 | fprintf(fd, "%s", intOutputTypes[getSizeindex(td->size)]); |
3ace7bc4 |
227 | fprintf(fd, "lttng_param_%s", field_name); |
7e97b039 |
228 | break; |
229 | case UINT_FIXED: |
230 | fprintf(fd, "%s", uintOutputTypes[getSizeindex(td->size)]); |
3ace7bc4 |
231 | fprintf(fd, "lttng_param_%s", field_name); |
7e97b039 |
232 | break; |
233 | case CHAR: |
234 | fprintf(fd, "signed char"); |
3ace7bc4 |
235 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
236 | break; |
237 | case UCHAR: |
238 | fprintf(fd, "unsigned char"); |
3ace7bc4 |
239 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
240 | break; |
241 | case SHORT: |
242 | fprintf(fd, "short"); |
3ace7bc4 |
243 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
244 | break; |
245 | case USHORT: |
246 | fprintf(fd, "unsigned short"); |
3ace7bc4 |
247 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
248 | break; |
249 | case INT: |
250 | fprintf(fd, "int"); |
3ace7bc4 |
251 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
252 | break; |
253 | case UINT: |
254 | fprintf(fd, "unsigned int"); |
3ace7bc4 |
255 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
256 | break; |
257 | case FLOAT: |
258 | fprintf(fd, "%s", floatOutputTypes[getSizeindex(td->size)]); |
3ace7bc4 |
259 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
260 | break; |
261 | case POINTER: |
458989d8 |
262 | fprintf(fd, "const void *"); |
3ace7bc4 |
263 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
264 | break; |
265 | case LONG: |
266 | fprintf(fd, "long"); |
3ace7bc4 |
267 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
268 | break; |
269 | case ULONG: |
270 | fprintf(fd, "unsigned long"); |
3ace7bc4 |
271 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
272 | break; |
273 | case SIZE_T: |
274 | fprintf(fd, "size_t"); |
3ace7bc4 |
275 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
276 | break; |
277 | case SSIZE_T: |
278 | fprintf(fd, "ssize_t"); |
3ace7bc4 |
279 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
280 | break; |
281 | case OFF_T: |
282 | fprintf(fd, "off_t"); |
3ace7bc4 |
283 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
284 | break; |
285 | case STRING: |
3d9b9b0c |
286 | fprintf(fd, "const char *"); |
3ace7bc4 |
287 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
288 | break; |
289 | case ENUM: |
290 | fprintf(fd, "enum lttng_%s", basename); |
3ace7bc4 |
291 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
292 | break; |
293 | case ARRAY: |
294 | fprintf(fd, "lttng_array_%s", basename); |
3ace7bc4 |
295 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
296 | break; |
297 | case SEQUENCE: |
298 | fprintf(fd, "lttng_sequence_%s *", basename); |
3ace7bc4 |
299 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
300 | break; |
301 | case STRUCT: |
302 | fprintf(fd, "struct lttng_%s *", basename); |
3ace7bc4 |
303 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
304 | break; |
305 | case UNION: |
306 | fprintf(fd, "union lttng_%s *", basename); |
3ace7bc4 |
307 | fprintf(fd, " lttng_param_%s", field_name); |
7e97b039 |
308 | break; |
309 | default: |
310 | printf("print_type : unknown type\n"); |
311 | return 1; |
312 | } |
313 | |
314 | return 0; |
315 | } |
316 | |
317 | |
a3e6ce64 |
318 | /* Does the type has a fixed size ? (as know from the compiler) |
319 | * |
320 | * 1 : fixed size |
321 | * 0 : variable length |
322 | */ |
323 | int has_type_fixed_size(type_descriptor_t *td) |
324 | { |
325 | switch(td->type) { |
326 | case INT_FIXED: |
327 | case UINT_FIXED: |
328 | case CHAR: |
329 | case UCHAR: |
330 | case SHORT: |
331 | case USHORT: |
332 | case INT: |
333 | case UINT: |
334 | case FLOAT: |
335 | case POINTER: |
336 | case LONG: |
337 | case ULONG: |
338 | case SIZE_T: |
339 | case SSIZE_T: |
340 | case OFF_T: |
341 | case ENUM: |
342 | case UNION: /* The union must have fixed size children. Must be checked by |
343 | the parser */ |
344 | return 1; |
345 | break; |
346 | case STRING: |
347 | case SEQUENCE: |
348 | return 0; |
349 | break; |
350 | case STRUCT: |
351 | { |
352 | int has_type_fixed = 0; |
353 | for(unsigned int i=0;i<td->fields.position;i++){ |
354 | field_t *field = (field_t*)(td->fields.array[i]); |
355 | type_descriptor_t *type = field->type; |
356 | |
357 | has_type_fixed = has_type_fixed_size(type); |
358 | if(!has_type_fixed) return 0; |
359 | } |
360 | return 1; |
361 | } |
362 | break; |
363 | case ARRAY: |
364 | assert(td->size >= 0); |
2e415130 |
365 | return has_type_fixed_size(((field_t*)td->fields.array[0])->type); |
366 | break; |
367 | case NONE: |
368 | printf("There is a type defined to NONE : bad.\n"); |
369 | assert(0); |
a3e6ce64 |
370 | break; |
371 | } |
2e415130 |
372 | return 0; //make gcc happy. |
a3e6ce64 |
373 | } |
374 | |
375 | |
376 | |
377 | |
378 | |
2d2d14a7 |
379 | /* print type declaration. |
380 | * |
381 | * Copied from construct_types_and_fields in LTTV facility.c */ |
382 | |
383 | int print_type_declaration(type_descriptor_t * td, FILE *fd, unsigned int tabs, |
384 | char *nest_name, char *field_name) |
385 | { |
386 | char basename[PATH_MAX]; |
387 | unsigned int basename_len = 0; |
388 | |
64a6ab10 |
389 | if(td->custom_write) return 0; /* Does print custom type */ |
390 | |
7b175edc |
391 | strncpy(basename, nest_name, PATH_MAX); |
2d2d14a7 |
392 | basename_len = strlen(basename); |
393 | |
394 | /* For a named type, we use the type_name directly */ |
395 | if(td->type_name != NULL) { |
396 | strncpy(basename, td->type_name, PATH_MAX); |
397 | basename_len = strlen(basename); |
398 | } else { |
7b175edc |
399 | /* For a unnamed type, there must be a field name, except for |
400 | * the array. */ |
401 | if((basename_len != 0) |
402 | && (basename[basename_len-1] != '_' |
403 | && (field_name[0] != '\0'))) { |
2d2d14a7 |
404 | strncat(basename, "_", PATH_MAX - basename_len); |
405 | basename_len = strlen(basename); |
406 | } |
407 | strncat(basename, field_name, PATH_MAX - basename_len); |
2d2d14a7 |
408 | } |
409 | |
410 | switch(td->type) { |
411 | case ENUM: |
412 | fprintf(fd, "enum lttng_%s", basename); |
413 | fprintf(fd, " {\n"); |
414 | for(unsigned int i=0;i<td->labels.position;i++){ |
415 | print_tabs(1, fd); |
70f46ac3 |
416 | fprintf(fd, "LTTNG_%s = %d", ((char*)td->labels.array[i]), |
417 | (*(int*)td->labels_values.array[i])); |
2d2d14a7 |
418 | fprintf(fd, ",\n"); |
419 | } |
420 | fprintf(fd, "};\n"); |
421 | fprintf(fd, "\n"); |
422 | break; |
423 | |
424 | case ARRAY: |
7b175edc |
425 | dprintf("%s\n", basename); |
2d2d14a7 |
426 | assert(td->size >= 0); |
a67cd958 |
427 | if(((field_t*)td->fields.array[0])->type->type_name == NULL) { |
2d2d14a7 |
428 | /* Not a named nested type : we must print its declaration first */ |
a67cd958 |
429 | if(print_type_declaration(((field_t*)td->fields.array[0])->type, |
2d2d14a7 |
430 | fd, 0, basename, "")) return 1; |
431 | } |
2e415130 |
432 | fprintf(fd, "#define LTTNG_ARRAY_SIZE_%s %zu\n", basename, |
2d2d14a7 |
433 | td->size); |
7e97b039 |
434 | fprintf(fd, "typedef "); |
a67cd958 |
435 | if(print_type(((field_t*)td->fields.array[0])->type, |
436 | fd, tabs, basename, "")) return 1; |
2d2d14a7 |
437 | fprintf(fd, " lttng_array_%s[LTTNG_ARRAY_SIZE_%s];\n", basename, |
438 | basename); |
439 | fprintf(fd, "\n"); |
440 | break; |
441 | case SEQUENCE: |
a67cd958 |
442 | /* We assume that the sequence length type does not need to be declared. |
443 | */ |
444 | if(((field_t*)td->fields.array[1])->type->type_name == NULL) { |
2d2d14a7 |
445 | /* Not a named nested type : we must print its declaration first */ |
a67cd958 |
446 | if(print_type_declaration(((field_t*)td->fields.array[1])->type, |
2d2d14a7 |
447 | fd, 0, basename, "")) return 1; |
448 | } |
449 | fprintf(fd, "typedef struct lttng_sequence_%s lttng_sequence_%s;\n", |
450 | basename, |
451 | basename); |
452 | fprintf(fd, "struct lttng_sequence_%s", basename); |
453 | fprintf(fd, " {\n"); |
454 | print_tabs(1, fd); |
a3e6ce64 |
455 | if(print_type(((field_t*)td->fields.array[0])->type, |
456 | fd, tabs, basename, "")) return 1; |
40c18b13 |
457 | fprintf(fd, " len;\n"); |
2d2d14a7 |
458 | print_tabs(1, fd); |
8c9e9076 |
459 | fprintf(fd, "const "); |
a67cd958 |
460 | if(print_type(((field_t*)td->fields.array[1])->type, |
461 | fd, tabs, basename, "")) return 1; |
2d2d14a7 |
462 | fprintf(fd, " *array;\n"); |
d428224c |
463 | fprintf(fd, "};\n"); /* We do not LTT_ALIGN, because we never copy |
464 | it to the buffer directly. */ |
2d2d14a7 |
465 | fprintf(fd, "\n"); |
466 | break; |
467 | |
468 | case STRUCT: |
469 | for(unsigned int i=0;i<td->fields.position;i++){ |
470 | field_t *field = (field_t*)(td->fields.array[i]); |
471 | type_descriptor_t *type = field->type; |
472 | if(type->type_name == NULL) { |
473 | /* Not a named nested type : we must print its declaration first */ |
474 | if(print_type_declaration(type, |
475 | fd, 0, basename, field->name)) return 1; |
476 | } |
477 | } |
478 | fprintf(fd, "struct lttng_%s", basename); |
479 | fprintf(fd, " {\n"); |
480 | for(unsigned int i=0;i<td->fields.position;i++){ |
481 | field_t *field = (field_t*)(td->fields.array[i]); |
482 | type_descriptor_t *type = field->type; |
483 | print_tabs(1, fd); |
47299663 |
484 | if(print_type(type, fd, tabs, basename, field->name)) return 1; |
2d2d14a7 |
485 | fprintf(fd, " "); |
486 | fprintf(fd, "%s", field->name); |
487 | fprintf(fd, ";\n"); |
488 | } |
d428224c |
489 | fprintf(fd, "} LTT_ALIGN;\n"); |
2d2d14a7 |
490 | fprintf(fd, "\n"); |
491 | break; |
492 | case UNION: |
2d2d14a7 |
493 | for(unsigned int i=0;i<td->fields.position;i++){ |
494 | field_t *field = (field_t*)(td->fields.array[i]); |
495 | type_descriptor_t *type = field->type; |
496 | if(type->type_name == NULL) { |
497 | /* Not a named nested type : we must print its declaration first */ |
47299663 |
498 | if(print_type_declaration(type, |
499 | fd, 0, basename, field->name)) return 1; |
2d2d14a7 |
500 | } |
501 | } |
502 | fprintf(fd, "union lttng_%s", basename); |
503 | fprintf(fd, " {\n"); |
504 | for(unsigned i=0;i<td->fields.position;i++){ |
505 | field_t *field = (field_t*)(td->fields.array[i]); |
506 | type_descriptor_t *type = field->type; |
507 | print_tabs(1, fd); |
47299663 |
508 | if(print_type(type, fd, tabs, basename, field->name)) return 1; |
2d2d14a7 |
509 | fprintf(fd, " "); |
510 | fprintf(fd, "%s", field->name); |
511 | fprintf(fd, ";\n"); |
512 | } |
d428224c |
513 | fprintf(fd, "} LTT_ALIGN;\n"); |
2d2d14a7 |
514 | fprintf(fd, "\n"); |
515 | break; |
516 | default: |
517 | dprintf("print_type_declaration : unknown type or nothing to declare.\n"); |
518 | break; |
519 | } |
520 | |
521 | return 0; |
522 | } |
523 | |
a67cd958 |
524 | |
a3e6ce64 |
525 | /* print type alignment. |
526 | * |
527 | * Copied from construct_types_and_fields in LTTV facility.c |
528 | * |
529 | * basename is the name which identifies the type (along with a prefix |
530 | * (possibly)). */ |
a67cd958 |
531 | |
a3e6ce64 |
532 | int print_type_alignment(type_descriptor_t * td, FILE *fd, unsigned int tabs, |
3261899d |
533 | char *nest_name, char *field_name, char *obj_prefix) |
a67cd958 |
534 | { |
a3e6ce64 |
535 | char basename[PATH_MAX]; |
536 | unsigned int basename_len = 0; |
537 | |
538 | strncpy(basename, nest_name, PATH_MAX); |
539 | basename_len = strlen(basename); |
540 | |
541 | /* For a named type, we use the type_name directly */ |
542 | if(td->type_name != NULL) { |
543 | strncpy(basename, td->type_name, PATH_MAX); |
544 | basename_len = strlen(basename); |
a67cd958 |
545 | } else { |
a3e6ce64 |
546 | /* For a unnamed type, there must be a field name, except for |
547 | * the array. */ |
548 | if((basename_len != 0) |
549 | && (basename[basename_len-1] != '_' |
34c1d1b5 |
550 | && field_name != NULL |
a3e6ce64 |
551 | && (field_name[0] != '\0'))) { |
552 | strncat(basename, "_", PATH_MAX - basename_len); |
553 | basename_len = strlen(basename); |
a67cd958 |
554 | } |
34c1d1b5 |
555 | if(field_name != NULL) |
556 | strncat(basename, field_name, PATH_MAX - basename_len); |
a67cd958 |
557 | } |
a3e6ce64 |
558 | |
3d9b9b0c |
559 | if(field_name[0] == '\0') { |
560 | /* We are in a write function : it's the obj that we must align. */ |
561 | switch(td->type) { |
562 | case SEQUENCE: |
3261899d |
563 | fprintf(fd, "lttng_get_alignment_sequence_%s(%s)", basename, |
564 | obj_prefix); |
3d9b9b0c |
565 | break; |
566 | case STRUCT: |
3261899d |
567 | fprintf(fd, "lttng_get_alignment_struct_%s(%s)", basename, |
568 | obj_prefix); |
3d9b9b0c |
569 | break; |
570 | case UNION: |
3261899d |
571 | fprintf(fd, "lttng_get_alignment_union_%s(%s)", basename, |
572 | obj_prefix); |
3d9b9b0c |
573 | break; |
574 | case ARRAY: |
3261899d |
575 | fprintf(fd, "lttng_get_alignment_array_%s(%s)", basename, |
576 | obj_prefix); |
a2ff13ed |
577 | case STRING: |
578 | fprintf(fd, "sizeof(char)"); |
3d9b9b0c |
579 | break; |
8f78c30f |
580 | case INT_FIXED: |
581 | case UINT_FIXED: |
582 | case CHAR: |
583 | case UCHAR: |
584 | case SHORT: |
585 | case USHORT: |
586 | case INT: |
587 | case UINT: |
588 | case FLOAT: |
589 | case POINTER: |
590 | case LONG: |
591 | case ULONG: |
592 | case SIZE_T: |
593 | case SSIZE_T: |
594 | case OFF_T: |
595 | case ENUM: |
596 | fprintf(fd, "sizeof("); |
597 | if(print_type(td, fd, 0, basename, "")) return 1; |
598 | fprintf(fd, ")"); |
599 | break; |
600 | |
3d9b9b0c |
601 | default: |
602 | printf("error : type unexpected\n"); |
603 | return 1; |
604 | break; |
605 | } |
606 | } else { |
607 | |
608 | switch(td->type) { |
609 | case INT_FIXED: |
610 | case UINT_FIXED: |
611 | case CHAR: |
612 | case UCHAR: |
613 | case SHORT: |
614 | case USHORT: |
615 | case INT: |
616 | case UINT: |
617 | case FLOAT: |
618 | case POINTER: |
619 | case LONG: |
620 | case ULONG: |
621 | case SIZE_T: |
622 | case SSIZE_T: |
623 | case OFF_T: |
624 | case ENUM: |
625 | fprintf(fd, "sizeof("); |
626 | if(print_type(td, fd, 0, basename, "")) return 1; |
627 | fprintf(fd, ")"); |
628 | break; |
629 | case STRING: |
630 | fprintf(fd, "sizeof(char)"); |
631 | break; |
632 | case SEQUENCE: |
3261899d |
633 | fprintf(fd, "lttng_get_alignment_sequence_%s(&%s%s)", basename, |
634 | obj_prefix, field_name); |
3d9b9b0c |
635 | break; |
636 | case STRUCT: |
3261899d |
637 | fprintf(fd, "lttng_get_alignment_struct_%s(&%s%s)", basename, |
638 | obj_prefix, field_name); |
3d9b9b0c |
639 | break; |
640 | case UNION: |
3261899d |
641 | fprintf(fd, "lttng_get_alignment_union_%s(&%s%s)", basename, |
642 | obj_prefix, field_name); |
3d9b9b0c |
643 | break; |
644 | case ARRAY: |
3261899d |
645 | fprintf(fd, "lttng_get_alignment_array_%s(%s%s)", basename, |
646 | obj_prefix, field_name); |
3d9b9b0c |
647 | break; |
648 | case NONE: |
649 | printf("error : type NONE unexpected\n"); |
650 | return 1; |
651 | break; |
652 | } |
a3e6ce64 |
653 | } |
3d9b9b0c |
654 | |
a3e6ce64 |
655 | return 0; |
a67cd958 |
656 | } |
657 | |
a3e6ce64 |
658 | /* print type write. |
659 | * |
660 | * Copied from construct_types_and_fields in LTTV facility.c |
661 | * |
662 | * basename is the name which identifies the type (along with a prefix |
663 | * (possibly)). */ |
a67cd958 |
664 | |
a3e6ce64 |
665 | int print_type_write(type_descriptor_t * td, FILE *fd, unsigned int tabs, |
458989d8 |
666 | char *nest_name, char *field_name, char *obj_prefix, int get_ptr) |
a67cd958 |
667 | { |
a67cd958 |
668 | char basename[PATH_MAX]; |
669 | unsigned int basename_len = 0; |
458989d8 |
670 | char get_ptr_char[2] = ""; |
64a6ab10 |
671 | char custom[PATH_MAX] = ""; |
a3e6ce64 |
672 | |
673 | strncpy(basename, nest_name, PATH_MAX); |
a67cd958 |
674 | basename_len = strlen(basename); |
675 | |
676 | /* For a named type, we use the type_name directly */ |
677 | if(td->type_name != NULL) { |
678 | strncpy(basename, td->type_name, PATH_MAX); |
679 | basename_len = strlen(basename); |
680 | } else { |
a3e6ce64 |
681 | /* For a unnamed type, there must be a field name, except for |
682 | * the array. */ |
a67cd958 |
683 | if((basename_len != 0) |
a3e6ce64 |
684 | && (basename[basename_len-1] != '_' |
685 | && (field_name[0] != '\0'))) { |
a67cd958 |
686 | strncat(basename, "_", PATH_MAX - basename_len); |
687 | basename_len = strlen(basename); |
688 | } |
689 | strncat(basename, field_name, PATH_MAX - basename_len); |
690 | } |
691 | |
458989d8 |
692 | if(get_ptr) { |
693 | strcpy(get_ptr_char, "&"); |
694 | } |
695 | |
64a6ab10 |
696 | if(td->custom_write) { |
697 | strcpy(custom, "_custom"); |
698 | } |
699 | |
a67cd958 |
700 | switch(td->type) { |
701 | case INT_FIXED: |
702 | case UINT_FIXED: |
703 | case CHAR: |
704 | case UCHAR: |
705 | case SHORT: |
706 | case USHORT: |
707 | case INT: |
708 | case UINT: |
709 | case FLOAT: |
710 | case POINTER: |
711 | case LONG: |
712 | case ULONG: |
713 | case SIZE_T: |
714 | case SSIZE_T: |
715 | case OFF_T: |
716 | case ENUM: |
a67cd958 |
717 | print_tabs(tabs, fd); |
8f78c30f |
718 | fprintf(fd, "align = "); |
719 | if(print_type_alignment(td, fd, 0, basename, "", "obj")) return 1; |
720 | fprintf(fd, ";\n"); |
721 | fprintf(fd, "\n"); |
722 | print_tabs(tabs, fd); |
723 | fprintf(fd, "if(*len == 0) {\n"); |
724 | print_tabs(tabs+1, fd); |
725 | fprintf(fd, "*to += ltt_align(*to, align); /* align output */\n"); |
726 | print_tabs(tabs, fd); |
727 | fprintf(fd, "} else {\n"); |
728 | print_tabs(tabs+1, fd); |
729 | fprintf(fd, "*len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */\n"); |
730 | print_tabs(tabs, fd); |
731 | fprintf(fd, "}\n"); |
732 | fprintf(fd, "\n"); |
733 | |
734 | print_tabs(tabs, fd); |
735 | fprintf(fd, "*len += "); |
a3e6ce64 |
736 | fprintf(fd, "sizeof("); |
2e415130 |
737 | if(print_type(td, fd, 0, basename, "")) return 1; |
a67cd958 |
738 | fprintf(fd, ");\n"); |
8f78c30f |
739 | |
a67cd958 |
740 | break; |
741 | case STRING: |
a67cd958 |
742 | print_tabs(tabs, fd); |
3261899d |
743 | fprintf(fd, |
64a6ab10 |
744 | "lttng_write%s_string_%s(buffer, to_base, to, from, len, %s%s);\n", |
745 | custom, basename, obj_prefix, field_name); |
a3e6ce64 |
746 | break; |
747 | case SEQUENCE: |
748 | print_tabs(tabs, fd); |
3261899d |
749 | fprintf(fd, |
64a6ab10 |
750 | "lttng_write%s_sequence_%s(buffer, to_base, to, from, len, %s%s%s);", |
751 | custom, basename, get_ptr_char, obj_prefix, field_name); |
a3e6ce64 |
752 | break; |
753 | case STRUCT: |
754 | print_tabs(tabs, fd); |
3261899d |
755 | fprintf(fd, |
64a6ab10 |
756 | "lttng_write%s_struct_%s(buffer, to_base, to, from, len, %s%s%s);", |
757 | custom, basename, get_ptr_char, obj_prefix, field_name); |
a3e6ce64 |
758 | break; |
759 | case UNION: |
760 | print_tabs(tabs, fd); |
3261899d |
761 | fprintf(fd, |
64a6ab10 |
762 | "lttng_write%s_union_%s(buffer, to_base, to, from, len, %s%s%s);", |
763 | custom, basename, get_ptr_char, obj_prefix, field_name); |
a67cd958 |
764 | break; |
765 | case ARRAY: |
a67cd958 |
766 | print_tabs(tabs, fd); |
3261899d |
767 | fprintf(fd, |
64a6ab10 |
768 | "lttng_write%s_array_%s(buffer, to_base, to, from, len, %s%s);", |
769 | custom, basename, obj_prefix, field_name); |
a3e6ce64 |
770 | break; |
2e415130 |
771 | case NONE: |
772 | printf("Error : type NONE unexpected\n"); |
773 | return 1; |
774 | break; |
a3e6ce64 |
775 | } |
a67cd958 |
776 | |
a3e6ce64 |
777 | return 0; |
778 | } |
a67cd958 |
779 | |
63c831c5 |
780 | /* print need local vars ?. |
781 | * |
782 | * Copied from print_type_write |
783 | * |
784 | * Does the type_write call needs local size and from variables ? |
785 | * return value : 1 yes, 0 no. |
786 | */ |
787 | |
788 | int has_type_local(type_descriptor_t * td) |
789 | { |
790 | switch(td->type) { |
791 | case INT_FIXED: |
792 | case UINT_FIXED: |
793 | case CHAR: |
794 | case UCHAR: |
795 | case SHORT: |
796 | case USHORT: |
797 | case INT: |
798 | case UINT: |
799 | case FLOAT: |
800 | case POINTER: |
801 | case LONG: |
802 | case ULONG: |
803 | case SIZE_T: |
804 | case SSIZE_T: |
805 | case OFF_T: |
806 | case ENUM: |
807 | return 1; |
808 | break; |
809 | case STRING: |
810 | case SEQUENCE: |
811 | case STRUCT: |
812 | case UNION: |
813 | case ARRAY: |
814 | return 0; |
815 | break; |
816 | case NONE: |
817 | printf("Error : type NONE unexpected\n"); |
818 | return 1; |
819 | break; |
820 | } |
821 | |
822 | return 0; |
823 | } |
824 | |
a67cd958 |
825 | |
a67cd958 |
826 | |
a3e6ce64 |
827 | /* print type alignment function. |
828 | * |
829 | * Copied from construct_types_and_fields in LTTV facility.c |
830 | * |
831 | * basename is the name which identifies the type (along with a prefix |
832 | * (possibly)). */ |
833 | |
834 | int print_type_alignment_fct(type_descriptor_t * td, FILE *fd, |
835 | unsigned int tabs, |
836 | char *nest_name, char *field_name) |
837 | { |
838 | char basename[PATH_MAX]; |
839 | unsigned int basename_len = 0; |
840 | |
64a6ab10 |
841 | if(td->custom_write) return 0; /* Does print custom type */ |
842 | |
a3e6ce64 |
843 | strncpy(basename, nest_name, PATH_MAX); |
844 | basename_len = strlen(basename); |
845 | |
846 | /* For a named type, we use the type_name directly */ |
847 | if(td->type_name != NULL) { |
848 | strncpy(basename, td->type_name, PATH_MAX); |
849 | basename_len = strlen(basename); |
850 | } else { |
851 | /* For a unnamed type, there must be a field name, except for |
852 | * the array. */ |
853 | if((basename_len != 0) |
854 | && (basename[basename_len-1] != '_' |
855 | && (field_name[0] != '\0'))) { |
856 | strncat(basename, "_", PATH_MAX - basename_len); |
857 | basename_len = strlen(basename); |
858 | } |
859 | strncat(basename, field_name, PATH_MAX - basename_len); |
860 | } |
861 | |
862 | switch(td->type) { |
863 | case SEQUENCE: |
864 | /* Function header */ |
865 | fprintf(fd, "static inline size_t lttng_get_alignment_sequence_%s(\n", |
866 | basename); |
867 | print_tabs(2, fd); |
2e415130 |
868 | if(print_type(td, fd, 0, basename, "")) return 1; |
a3e6ce64 |
869 | fprintf(fd, " *obj)\n"); |
870 | fprintf(fd, "{\n"); |
871 | print_tabs(1, fd); |
872 | fprintf(fd, "size_t align=0, localign;"); |
873 | fprintf(fd, "\n"); |
874 | print_tabs(1, fd); |
875 | fprintf(fd, "localign = "); |
876 | if(print_type_alignment(((field_t*)td->fields.array[0])->type, |
3261899d |
877 | fd, 0, basename, "len", "obj->")) return 1; |
a3e6ce64 |
878 | fprintf(fd, ";\n"); |
879 | print_tabs(1, fd); |
880 | fprintf(fd, "align = max(align, localign);\n"); |
881 | fprintf(fd, "\n"); |
882 | print_tabs(1, fd); |
883 | fprintf(fd, "localign = "); |
884 | if(print_type_alignment(((field_t*)td->fields.array[1])->type, |
3261899d |
885 | fd, 0, basename, "array[0]", "obj->")) return 1; |
a3e6ce64 |
886 | fprintf(fd, ";\n"); |
887 | print_tabs(1, fd); |
888 | fprintf(fd, "align = max(align, localign);\n"); |
889 | fprintf(fd, "\n"); |
890 | print_tabs(1, fd); |
891 | fprintf(fd, "return align;\n"); |
892 | break; |
893 | case STRUCT: |
894 | /* Function header */ |
895 | fprintf(fd, "static inline size_t lttng_get_alignment_struct_%s(\n", |
896 | basename); |
897 | print_tabs(2, fd); |
2e415130 |
898 | if(print_type(td, fd, 0, basename, "")) return 1; |
a3e6ce64 |
899 | fprintf(fd, " *obj)\n"); |
900 | fprintf(fd, "{\n"); |
901 | print_tabs(1, fd); |
902 | fprintf(fd, "size_t align=0, localign;"); |
903 | fprintf(fd, "\n"); |
904 | for(unsigned int i=0;i<td->fields.position;i++){ |
905 | field_t *field = (field_t*)(td->fields.array[i]); |
906 | type_descriptor_t *type = field->type; |
907 | print_tabs(1, fd); |
908 | fprintf(fd, "localign = "); |
3261899d |
909 | if(print_type_alignment(type, fd, 0, basename, field->name, "obj->")) |
910 | return 1; |
a3e6ce64 |
911 | fprintf(fd, ";\n"); |
912 | print_tabs(1, fd); |
913 | fprintf(fd, "align = max(align, localign);\n"); |
914 | fprintf(fd, "\n"); |
915 | } |
916 | print_tabs(1, fd); |
917 | fprintf(fd, "return align;\n"); |
918 | |
a67cd958 |
919 | break; |
a3e6ce64 |
920 | case UNION: |
921 | /* Function header */ |
922 | fprintf(fd, "static inline size_t lttng_get_alignment_union_%s(\n", |
923 | basename); |
924 | print_tabs(2, fd); |
2e415130 |
925 | if(print_type(td, fd, 0, basename, "")) return 1; |
a3e6ce64 |
926 | fprintf(fd, " *obj)\n"); |
927 | fprintf(fd, "{\n"); |
928 | print_tabs(1, fd); |
929 | fprintf(fd, "size_t align=0, localign;"); |
930 | fprintf(fd, "\n"); |
931 | for(unsigned int i=0;i<td->fields.position;i++){ |
932 | field_t *field = (field_t*)(td->fields.array[i]); |
933 | type_descriptor_t *type = field->type; |
934 | print_tabs(1, fd); |
935 | fprintf(fd, "localign = "); |
3261899d |
936 | if(print_type_alignment(type, fd, 0, basename, field->name, "obj->")) |
937 | return 1; |
a3e6ce64 |
938 | fprintf(fd, ";\n"); |
939 | print_tabs(1, fd); |
940 | fprintf(fd, "align = max(align, localign);\n"); |
941 | fprintf(fd, "\n"); |
942 | } |
943 | print_tabs(1, fd); |
944 | fprintf(fd, "return align;\n"); |
945 | |
946 | break; |
947 | case ARRAY: |
948 | /* Function header */ |
949 | fprintf(fd, "static inline size_t lttng_get_alignment_array_%s(\n", |
950 | basename); |
951 | print_tabs(2, fd); |
2e415130 |
952 | if(print_type(td, fd, 0, basename, "")) return 1; |
a3e6ce64 |
953 | fprintf(fd, " obj)\n"); |
954 | fprintf(fd, "{\n"); |
955 | print_tabs(1, fd); |
956 | fprintf(fd, "return \n"); |
957 | if(print_type_alignment(((field_t*)td->fields.array[0])->type, |
3261899d |
958 | fd, 0, basename, "", "obj[0]")) |
959 | return 1; |
a3e6ce64 |
960 | fprintf(fd, ";\n"); |
961 | break; |
962 | default: |
71e09db9 |
963 | dprintf("print_type_alignment_fct : type has no alignment function.\n"); |
34c1d1b5 |
964 | return 0; |
a3e6ce64 |
965 | break; |
966 | } |
967 | |
968 | |
969 | /* Function footer */ |
970 | fprintf(fd, "}\n"); |
971 | fprintf(fd, "\n"); |
972 | |
2e415130 |
973 | return 0; |
a3e6ce64 |
974 | } |
975 | |
976 | /* print type write function. |
977 | * |
978 | * Copied from construct_types_and_fields in LTTV facility.c |
979 | * |
980 | * basename is the name which identifies the type (along with a prefix |
981 | * (possibly)). */ |
982 | |
983 | int print_type_write_fct(type_descriptor_t * td, FILE *fd, unsigned int tabs, |
984 | char *nest_name, char *field_name) |
985 | { |
986 | char basename[PATH_MAX]; |
987 | unsigned int basename_len = 0; |
988 | |
64a6ab10 |
989 | if(td->custom_write) return 0; /* Does print custom type */ |
990 | |
a3e6ce64 |
991 | strncpy(basename, nest_name, PATH_MAX); |
992 | basename_len = strlen(basename); |
993 | |
994 | /* For a named type, we use the type_name directly */ |
995 | if(td->type_name != NULL) { |
996 | strncpy(basename, td->type_name, PATH_MAX); |
997 | basename_len = strlen(basename); |
998 | } else { |
999 | /* For a unnamed type, there must be a field name, except for |
1000 | * the array. */ |
1001 | if((basename_len != 0) |
1002 | && (basename[basename_len-1] != '_' |
1003 | && (field_name[0] != '\0'))) { |
1004 | strncat(basename, "_", PATH_MAX - basename_len); |
1005 | basename_len = strlen(basename); |
1006 | } |
1007 | strncat(basename, field_name, PATH_MAX - basename_len); |
1008 | } |
1009 | |
34c1d1b5 |
1010 | switch(td->type) { |
1011 | case SEQUENCE: |
1012 | case STRUCT: |
1013 | case UNION: |
1014 | case ARRAY: |
a2ff13ed |
1015 | case STRING: |
34c1d1b5 |
1016 | break; |
1017 | default: |
71e09db9 |
1018 | dprintf("print_type_write_fct : type has no write function.\n"); |
34c1d1b5 |
1019 | return 0; |
1020 | break; |
1021 | } |
1022 | |
a3e6ce64 |
1023 | /* Print header */ |
1024 | switch(td->type) { |
a67cd958 |
1025 | case SEQUENCE: |
34c1d1b5 |
1026 | fprintf(fd, "static inline void lttng_write_sequence_%s(\n", |
a3e6ce64 |
1027 | basename); |
a67cd958 |
1028 | break; |
a3e6ce64 |
1029 | case STRUCT: |
6e27ba88 |
1030 | fprintf(fd, "static inline void lttng_write_struct_%s(\n", basename); |
a67cd958 |
1031 | break; |
a3e6ce64 |
1032 | case UNION: |
6e27ba88 |
1033 | fprintf(fd, "static inline void lttng_write_union_%s(\n", basename); |
a3e6ce64 |
1034 | break; |
1035 | case ARRAY: |
6e27ba88 |
1036 | fprintf(fd, "static inline void lttng_write_array_%s(\n", basename); |
a3e6ce64 |
1037 | break; |
a2ff13ed |
1038 | case STRING: |
1039 | fprintf(fd, "static inline void lttng_write_string_%s(\n", basename); |
1040 | break; |
a3e6ce64 |
1041 | default: |
1042 | printf("print_type_write_fct : type has no write function.\n"); |
a67cd958 |
1043 | break; |
a67cd958 |
1044 | } |
1045 | |
a3e6ce64 |
1046 | print_tabs(2, fd); |
1047 | fprintf(fd, "void *buffer,\n"); |
1048 | print_tabs(2, fd); |
1049 | fprintf(fd, "size_t *to_base,\n"); |
1050 | print_tabs(2, fd); |
1051 | fprintf(fd, "size_t *to,\n"); |
1052 | print_tabs(2, fd); |
458989d8 |
1053 | fprintf(fd, "const void **from,\n"); |
a3e6ce64 |
1054 | print_tabs(2, fd); |
1055 | fprintf(fd, "size_t *len,\n"); |
1056 | print_tabs(2, fd); |
2e415130 |
1057 | if(print_type(td, fd, 0, basename, "")) return 1; |
a3e6ce64 |
1058 | |
1059 | switch(td->type) { |
1060 | case SEQUENCE: |
1061 | fprintf(fd, " *obj)\n"); |
1062 | break; |
1063 | case STRUCT: |
1064 | fprintf(fd, " *obj)\n"); |
1065 | break; |
1066 | case UNION: |
1067 | fprintf(fd, " *obj)\n"); |
1068 | break; |
1069 | case ARRAY: |
1070 | fprintf(fd, " obj)\n"); |
1071 | break; |
a2ff13ed |
1072 | case STRING: |
1073 | fprintf(fd, " obj)\n"); |
1074 | break; |
a3e6ce64 |
1075 | default: |
1076 | printf("print_type_write_fct : type has no write function.\n"); |
1077 | break; |
1078 | } |
1079 | |
1080 | fprintf(fd, "{\n"); |
3ace7bc4 |
1081 | |
f5f2fde4 |
1082 | switch(td->type) { |
1083 | case STRING: |
1084 | print_tabs(1, fd); |
1085 | fprintf(fd, "size_t size;\n"); |
1086 | break; |
1087 | default: |
1088 | break; |
1089 | } |
1090 | |
a3e6ce64 |
1091 | print_tabs(1, fd); |
3ace7bc4 |
1092 | fprintf(fd, "size_t align;\n"); |
a3e6ce64 |
1093 | fprintf(fd, "\n"); |
1094 | |
1095 | switch(td->type) { |
1096 | case SEQUENCE: |
1097 | case STRING: |
1098 | print_tabs(1, fd); |
1099 | fprintf(fd, "/* Flush pending memcpy */\n"); |
1100 | print_tabs(1, fd); |
1101 | fprintf(fd, "if(*len != 0) {\n"); |
1102 | print_tabs(2, fd); |
1103 | fprintf(fd, "if(buffer != NULL)\n"); |
1104 | print_tabs(3, fd); |
1105 | fprintf(fd, "memcpy(buffer+*to_base+*to, *from, *len);\n"); |
1106 | print_tabs(1, fd); |
1107 | fprintf(fd, "}\n"); |
1108 | print_tabs(1, fd); |
1109 | fprintf(fd, "*to += *len;\n"); |
1110 | print_tabs(1, fd); |
1111 | fprintf(fd, "*len = 0;\n"); |
1112 | fprintf(fd, "\n"); |
1113 | break; |
1114 | case STRUCT: |
1115 | case UNION: |
1116 | case ARRAY: |
1117 | break; |
1118 | default: |
1119 | printf("print_type_write_fct : type has no write function.\n"); |
1120 | break; |
1121 | } |
1122 | |
1123 | print_tabs(1, fd); |
34c1d1b5 |
1124 | fprintf(fd, "align = "); |
0231ef76 |
1125 | if(print_type_alignment(td, fd, 0, basename, "", "obj")) return 1; |
a3e6ce64 |
1126 | fprintf(fd, ";\n"); |
1127 | fprintf(fd, "\n"); |
1128 | print_tabs(1, fd); |
1129 | fprintf(fd, "if(*len == 0) {\n"); |
1130 | print_tabs(2, fd); |
1131 | fprintf(fd, "*to += ltt_align(*to, align); /* align output */\n"); |
1132 | print_tabs(1, fd); |
1133 | fprintf(fd, "} else {\n"); |
1134 | print_tabs(2, fd); |
1135 | fprintf(fd, "*len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */\n"); |
1136 | print_tabs(1, fd); |
1137 | fprintf(fd, "}\n"); |
1138 | fprintf(fd, "\n"); |
1139 | |
1140 | /* First, check if the type has a fixed size. If it is the case, then the size |
1141 | * to write is know by the compiler : simply use a sizeof() */ |
1142 | if(has_type_fixed_size(td)) { |
1143 | print_tabs(1, fd); |
1144 | fprintf(fd, "/* Contains only fixed size fields : use compiler sizeof() */\n"); |
1145 | fprintf(fd, "\n"); |
1146 | print_tabs(1, fd); |
f5f2fde4 |
1147 | fprintf(fd, "*len += sizeof("); |
2e415130 |
1148 | if(print_type(td, fd, 0, basename, field_name)) return 1; |
a3e6ce64 |
1149 | fprintf(fd, ");\n"); |
1150 | } else { |
1151 | /* The type contains nested variable size subtypes : |
1152 | * we must write field by field. */ |
1153 | print_tabs(1, fd); |
1154 | fprintf(fd, "/* Contains variable sized fields : must explode the structure */\n"); |
1155 | fprintf(fd, "\n"); |
1156 | |
1157 | switch(td->type) { |
1158 | case SEQUENCE: |
1159 | print_tabs(1, fd); |
1160 | fprintf(fd, "/* Copy members */\n"); |
3261899d |
1161 | // print_tabs(1, fd); |
1162 | // fprintf(fd, "size = sizeof(\n"); |
a3e6ce64 |
1163 | if(print_type_write(((field_t*)td->fields.array[0])->type, |
458989d8 |
1164 | fd, 1, basename, "len", "obj->", 1)) return 1; |
3261899d |
1165 | fprintf(fd, "\n"); |
1166 | // fprintf(fd, ");\n"); |
1167 | // print_tabs(1, fd); |
1168 | // fprintf(fd, "*to += ltt_align(*to, size);\n"); |
a3e6ce64 |
1169 | print_tabs(1, fd); |
1170 | fprintf(fd, "if(buffer != NULL)\n"); |
1171 | print_tabs(2, fd); |
8f78c30f |
1172 | fprintf(fd, "memcpy(buffer+*to_base+*to, &obj->len, *len);\n"); |
a3e6ce64 |
1173 | print_tabs(1, fd); |
8f78c30f |
1174 | fprintf(fd, "*to += *len;\n"); |
1175 | print_tabs(1, fd); |
1176 | fprintf(fd, "*len = 0;\n"); |
a3e6ce64 |
1177 | fprintf(fd, "\n"); |
8f78c30f |
1178 | |
a3e6ce64 |
1179 | /* Write the child : varlen child or not ? */ |
1180 | if(has_type_fixed_size(((field_t*)td->fields.array[1])->type)) { |
1181 | /* Fixed size len child : use a multiplication of its size */ |
3261899d |
1182 | // print_tabs(1, fd); |
1183 | // fprintf(fd, "size = sizeof(\n"); |
8f78c30f |
1184 | |
1185 | //print_tabs(1, fd); |
1186 | /* We know that *len does not contain alignment because of the |
1187 | * previous align output. len is always 0 here. */ |
a3e6ce64 |
1188 | if(print_type_write(((field_t*)td->fields.array[1])->type, |
8f78c30f |
1189 | fd, 1, basename, "array[0]", "obj->", 1)) |
1190 | return 1; |
3261899d |
1191 | // fprintf(fd, ");\n"); |
8f78c30f |
1192 | fprintf(fd, "\n"); |
a3e6ce64 |
1193 | print_tabs(1, fd); |
8f78c30f |
1194 | fprintf(fd, "*len = obj->len * (*len);\n"); |
a3e6ce64 |
1195 | print_tabs(1, fd); |
1196 | fprintf(fd, "if(buffer != NULL)\n"); |
1197 | print_tabs(2, fd); |
8f78c30f |
1198 | fprintf(fd, "memcpy(buffer+*to_base+*to, obj->array, *len);\n"); |
1199 | print_tabs(1, fd); |
1200 | fprintf(fd, "*to += *len;\n"); |
a3e6ce64 |
1201 | print_tabs(1, fd); |
8f78c30f |
1202 | fprintf(fd, "*len = 0;\n"); |
a3e6ce64 |
1203 | fprintf(fd, "\n"); |
1204 | } else { |
1205 | print_tabs(1, fd); |
1206 | fprintf(fd, "/* Variable length child : iter. */\n"); |
1207 | print_tabs(1, fd); |
1208 | fprintf(fd, "for(unsigned int i=0; i<obj->len; i++) {\n"); |
1209 | if(print_type_write(((field_t*)td->fields.array[1])->type, |
458989d8 |
1210 | fd, 2, basename, "array[i]", "obj->", 1)) return 1; |
a3e6ce64 |
1211 | print_tabs(1, fd); |
1212 | fprintf(fd, "}\n"); |
1213 | } |
1214 | fprintf(fd, "\n"); |
1215 | print_tabs(1, fd); |
1216 | fprintf(fd, "/* Realign the *to_base on arch size, set *to to 0 */\n"); |
1217 | print_tabs(1, fd); |
2a5eec7d |
1218 | fprintf(fd, "*to += ltt_align(*to, sizeof(void *));\n"); |
a3e6ce64 |
1219 | print_tabs(1, fd); |
1220 | fprintf(fd, "*to_base = *to_base+*to;\n"); |
1221 | print_tabs(1, fd); |
1222 | fprintf(fd, "*to = 0;\n"); |
1223 | fprintf(fd, "\n"); |
a2ff13ed |
1224 | print_tabs(1, fd); |
a3e6ce64 |
1225 | fprintf(fd, "/* Put source *from just after the C sequence */\n"); |
1226 | print_tabs(1, fd); |
1227 | fprintf(fd, "*from = obj+1;\n"); |
1228 | break; |
1229 | case STRING: |
a2ff13ed |
1230 | print_tabs(1, fd); |
caabcb43 |
1231 | fprintf(fd, "size = strlen(obj) + 1; /* Include final NULL char. */\n"); |
a3e6ce64 |
1232 | print_tabs(1, fd); |
1233 | fprintf(fd, "if(buffer != NULL)\n"); |
1234 | print_tabs(2, fd); |
1235 | fprintf(fd, "memcpy(buffer+*to_base+*to, obj, size);\n"); |
1236 | print_tabs(1, fd); |
1237 | fprintf(fd, "*to += size;\n"); |
1238 | fprintf(fd, "\n"); |
1239 | print_tabs(1, fd); |
1240 | fprintf(fd, "/* Realign the *to_base on arch size, set *to to 0 */\n"); |
1241 | print_tabs(1, fd); |
2a5eec7d |
1242 | fprintf(fd, "*to += ltt_align(*to, sizeof(void *));\n"); |
a3e6ce64 |
1243 | print_tabs(1, fd); |
1244 | fprintf(fd, "*to_base = *to_base+*to;\n"); |
1245 | print_tabs(1, fd); |
1246 | fprintf(fd, "*to = 0;\n"); |
1247 | fprintf(fd, "\n"); |
a3e6ce64 |
1248 | print_tabs(1, fd); |
a2ff13ed |
1249 | fprintf(fd, "/* Put source *from just after the C string */\n"); |
1250 | print_tabs(1, fd); |
1251 | fprintf(fd, "*from += size;\n"); |
a3e6ce64 |
1252 | break; |
1253 | case STRUCT: |
1254 | for(unsigned int i=0;i<td->fields.position;i++){ |
1255 | field_t *field = (field_t*)(td->fields.array[i]); |
1256 | type_descriptor_t *type = field->type; |
1257 | if(print_type_write(type, |
458989d8 |
1258 | fd, 1, basename, field->name, "obj->", 1)) return 1; |
a3e6ce64 |
1259 | fprintf(fd, "\n"); |
1260 | } |
1261 | break; |
1262 | case UNION: |
1263 | printf("ERROR : A union CANNOT contain a variable size child.\n"); |
1264 | return 1; |
1265 | break; |
1266 | case ARRAY: |
1267 | /* Write the child : varlen child or not ? */ |
1268 | if(has_type_fixed_size(((field_t*)td->fields.array[0])->type)) { |
1269 | /* Error : if an array has a variable size, then its child must also |
1270 | * have a variable size. */ |
1271 | assert(0); |
1272 | } else { |
1273 | print_tabs(1, fd); |
1274 | fprintf(fd, "/* Variable length child : iter. */\n"); |
1275 | print_tabs(1, fd); |
1276 | fprintf(fd, "for(unsigned int i=0; i<LTTNG_ARRAY_SIZE_%s; i++) {\n", basename); |
3261899d |
1277 | if(print_type_write(((field_t*)td->fields.array[0])->type, |
458989d8 |
1278 | fd, 2, basename, "", "obj->array[i]", 1)) return 1; |
a3e6ce64 |
1279 | print_tabs(1, fd); |
1280 | fprintf(fd, "}\n"); |
1281 | } |
1282 | break; |
1283 | default: |
1284 | printf("print_type_write_fct : type has no write function.\n"); |
1285 | break; |
1286 | } |
1287 | |
1288 | |
1289 | } |
1290 | |
1291 | |
1292 | /* Function footer */ |
1293 | fprintf(fd, "}\n"); |
1294 | fprintf(fd, "\n"); |
a67cd958 |
1295 | return 0; |
1296 | } |
1297 | |
1298 | |
1299 | |
47299663 |
1300 | /* Print the logging function of an event. This is the core of genevent */ |
a3e6ce64 |
1301 | int print_event_logging_function(char *basename, facility_t *fac, |
1302 | event_t *event, FILE *fd) |
47299663 |
1303 | { |
1304 | fprintf(fd, "static inline void trace_%s(\n", basename); |
3d9b9b0c |
1305 | int has_argument = 0; |
63c831c5 |
1306 | int has_type_fixed = 0; |
3d9b9b0c |
1307 | |
1308 | /* Does it support per trace tracing ? */ |
1309 | if(event->per_trace) { |
1310 | print_tabs(2, fd); |
1311 | fprintf(fd, "struct ltt_trace_struct *dest_trace"); |
1312 | has_argument = 1; |
1313 | } |
1314 | |
1315 | /* Does it support per tracefile tracing ? */ |
1316 | if(event->per_tracefile) { |
1317 | if(has_argument) { |
1318 | fprintf(fd, ","); |
1319 | fprintf(fd, "\n"); |
1320 | } |
1321 | fprintf(fd, "unsigned int tracefile_index"); |
1322 | has_argument = 1; |
1323 | } |
1324 | |
47299663 |
1325 | for(unsigned int j = 0; j < event->fields.position; j++) { |
1326 | /* For each field, print the function argument */ |
1327 | field_t *f = (field_t*)event->fields.array[j]; |
1328 | type_descriptor_t *t = f->type; |
3d9b9b0c |
1329 | if(has_argument) { |
47299663 |
1330 | fprintf(fd, ","); |
1331 | fprintf(fd, "\n"); |
1332 | } |
3d9b9b0c |
1333 | if(print_arg(t, fd, 2, basename, f->name)) return 1; |
1334 | has_argument = 1; |
47299663 |
1335 | } |
3d9b9b0c |
1336 | if(!has_argument) { |
47299663 |
1337 | print_tabs(2, fd); |
1338 | fprintf(fd, "void"); |
1339 | } |
1340 | fprintf(fd,")\n"); |
71e09db9 |
1341 | fprintf(fd, |
1342 | "#if (!defined(CONFIG_LTT) || !defined(CONFIG_LTT_FACILITY_%s))\n", |
1343 | fac->capname); |
47299663 |
1344 | fprintf(fd, "{\n"); |
1345 | fprintf(fd, "}\n"); |
1346 | fprintf(fd,"#else\n"); |
1347 | fprintf(fd, "{\n"); |
7e97b039 |
1348 | /* Print the function variables */ |
a67cd958 |
1349 | print_tabs(1, fd); |
a3e6ce64 |
1350 | fprintf(fd, "unsigned int index;\n"); |
1351 | print_tabs(1, fd); |
1352 | fprintf(fd, "struct ltt_channel_struct *channel;\n"); |
1353 | print_tabs(1, fd); |
1354 | fprintf(fd, "struct ltt_trace_struct *trace;\n"); |
1355 | print_tabs(1, fd); |
1356 | fprintf(fd, "struct rchan_buf *relayfs_buf;\n"); |
1357 | print_tabs(1, fd); |
1358 | fprintf(fd, "void *buffer = NULL;\n"); |
1359 | print_tabs(1, fd); |
458989d8 |
1360 | fprintf(fd, "size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */\n"); |
1361 | print_tabs(1, fd); |
1362 | fprintf(fd, "size_t *to_base = &real_to_base;\n"); |
a3e6ce64 |
1363 | print_tabs(1, fd); |
458989d8 |
1364 | fprintf(fd, "size_t real_to = 0;\n"); |
a3e6ce64 |
1365 | print_tabs(1, fd); |
458989d8 |
1366 | fprintf(fd, "size_t *to = &real_to;\n"); |
a3e6ce64 |
1367 | print_tabs(1, fd); |
458989d8 |
1368 | fprintf(fd, "size_t real_len = 0;\n"); |
1369 | print_tabs(1, fd); |
1370 | fprintf(fd, "size_t *len = &real_len;\n"); |
30d72138 |
1371 | print_tabs(1, fd); |
6e27ba88 |
1372 | fprintf(fd, "size_t reserve_size;\n"); |
1373 | print_tabs(1, fd); |
a3e6ce64 |
1374 | fprintf(fd, "size_t slot_size;\n"); |
30d72138 |
1375 | print_tabs(1, fd); |
63c831c5 |
1376 | |
ac963fe3 |
1377 | if(event->fields.position > 0) { |
63c831c5 |
1378 | for(unsigned int i=0;i<event->fields.position;i++){ |
1379 | /* Search for at least one child with fixed size. It means |
1380 | * we need local variables.*/ |
1381 | field_t *field = (field_t*)(event->fields.array[i]); |
1382 | type_descriptor_t *type = field->type; |
1383 | has_type_fixed = has_type_local(type); |
1384 | if(has_type_fixed) break; |
1385 | } |
1386 | |
1387 | if(has_type_fixed) { |
8f78c30f |
1388 | fprintf(fd, "size_t align;\n"); |
63c831c5 |
1389 | print_tabs(1, fd); |
1390 | } |
1391 | |
ac963fe3 |
1392 | fprintf(fd, "const void *real_from;\n"); |
1393 | print_tabs(1, fd); |
1394 | fprintf(fd, "const void **from = &real_from;\n"); |
1395 | print_tabs(1, fd); |
1396 | } |
8e290e8b |
1397 | fprintf(fd, "u64 tsc;\n"); |
30d72138 |
1398 | print_tabs(1, fd); |
458989d8 |
1399 | fprintf(fd, "size_t before_hdr_pad, after_hdr_pad, header_size;\n"); |
a3e6ce64 |
1400 | fprintf(fd, "\n"); |
7e97b039 |
1401 | |
a3e6ce64 |
1402 | print_tabs(1, fd); |
1403 | fprintf(fd, "if(ltt_traces.num_active_traces == 0) return;\n"); |
1404 | fprintf(fd, "\n"); |
1405 | |
a67cd958 |
1406 | /* Calculate event variable len + event data alignment offset. |
7e97b039 |
1407 | * Assume that the padding for alignment starts at a void* |
a67cd958 |
1408 | * address. |
1409 | * This excludes the header size and alignment. */ |
1410 | |
a3e6ce64 |
1411 | print_tabs(1, fd); |
1412 | fprintf(fd, "/* For each field, calculate the field size. */\n"); |
1413 | print_tabs(1, fd); |
458989d8 |
1414 | fprintf(fd, "/* size = *to_base + *to + *len */\n"); |
a3e6ce64 |
1415 | print_tabs(1, fd); |
30d72138 |
1416 | fprintf(fd, "/* Assume that the padding for alignment starts at a\n"); |
a3e6ce64 |
1417 | print_tabs(1, fd); |
30d72138 |
1418 | fprintf(fd, " * sizeof(void *) address. */\n"); |
a3e6ce64 |
1419 | fprintf(fd, "\n"); |
a67cd958 |
1420 | |
a3e6ce64 |
1421 | for(unsigned int i=0;i<event->fields.position;i++){ |
2e415130 |
1422 | field_t *field = (field_t*)(event->fields.array[i]); |
a3e6ce64 |
1423 | type_descriptor_t *type = field->type; |
458989d8 |
1424 | /* Set from */ |
1425 | print_tabs(1, fd); |
1426 | switch(type->type) { |
1427 | case SEQUENCE: |
1428 | case UNION: |
1429 | case ARRAY: |
1430 | case STRUCT: |
1431 | case STRING: |
3ace7bc4 |
1432 | fprintf(fd, "*from = lttng_param_%s;\n", field->name); |
458989d8 |
1433 | break; |
1434 | default: |
3ace7bc4 |
1435 | fprintf(fd, "*from = <tng_param_%s;\n", field->name); |
458989d8 |
1436 | break; |
1437 | } |
1438 | |
a3e6ce64 |
1439 | if(print_type_write(type, |
3ace7bc4 |
1440 | fd, 1, basename, field->name, "lttng_param_", 0)) return 1; |
a3e6ce64 |
1441 | fprintf(fd, "\n"); |
a67cd958 |
1442 | } |
6e27ba88 |
1443 | print_tabs(1, fd); |
458989d8 |
1444 | fprintf(fd, "reserve_size = *to_base + *to + *len;\n"); |
47299663 |
1445 | |
7e97b039 |
1446 | /* Take locks : make sure the trace does not vanish while we write on |
1447 | * it. A simple preemption disabling is enough (using rcu traces). */ |
a3e6ce64 |
1448 | print_tabs(1, fd); |
1449 | fprintf(fd, "preempt_disable();\n"); |
1450 | print_tabs(1, fd); |
1451 | fprintf(fd, "ltt_nesting[smp_processor_id()]++;\n"); |
1452 | |
1453 | /* Get facility index */ |
1454 | |
1455 | if(event->per_tracefile) { |
1456 | print_tabs(1, fd); |
1457 | fprintf(fd, "index = tracefile_index;\n"); |
1458 | } else { |
1459 | print_tabs(1, fd); |
1460 | fprintf(fd, |
1461 | "index = ltt_get_index_from_facility(ltt_facility_%s_%X,\n"\ |
458989d8 |
1462 | "\t\t\t\t\t\tevent_%s_%s);\n", |
1463 | fac->name, fac->checksum, fac->name, event->name); |
a3e6ce64 |
1464 | } |
1465 | fprintf(fd,"\n"); |
1466 | |
7e97b039 |
1467 | |
1468 | /* For each trace */ |
a3e6ce64 |
1469 | print_tabs(1, fd); |
1470 | fprintf(fd, "list_for_each_entry_rcu(trace, <t_traces.head, list) {\n"); |
1471 | print_tabs(2, fd); |
1472 | fprintf(fd, "if(!trace->active) continue;\n\n"); |
1473 | |
1474 | if(event->per_trace) { |
1475 | print_tabs(2, fd); |
1476 | fprintf(fd, "if(dest_trace != trace) continue;\n\n"); |
1477 | } |
1478 | |
1479 | print_tabs(2, fd); |
2e415130 |
1480 | fprintf(fd, "channel = ltt_get_channel_from_index(trace, index);\n"); |
a3e6ce64 |
1481 | print_tabs(2, fd); |
458989d8 |
1482 | fprintf(fd, "relayfs_buf = channel->rchan->buf[smp_processor_id()];\n"); |
a3e6ce64 |
1483 | fprintf(fd, "\n"); |
1484 | |
7e97b039 |
1485 | |
1486 | /* Relay reserve */ |
a3e6ce64 |
1487 | /* If error, increment event lost counter (done by ltt_reserve_slot) and |
1488 | * return */ |
1489 | print_tabs(2, fd); |
1490 | fprintf(fd, "slot_size = 0;\n"); |
1491 | print_tabs(2, fd); |
30d72138 |
1492 | fprintf(fd, "buffer = ltt_reserve_slot(trace, relayfs_buf,\n"); |
1493 | print_tabs(3, fd); |
6e27ba88 |
1494 | fprintf(fd, "reserve_size, &slot_size, &tsc,\n"); |
30d72138 |
1495 | print_tabs(3, fd); |
458989d8 |
1496 | fprintf(fd, "&before_hdr_pad, &after_hdr_pad, &header_size);\n"); |
a3e6ce64 |
1497 | /* If error, return */ |
1498 | print_tabs(2, fd); |
43f7f14f |
1499 | fprintf(fd, "if(!buffer) continue; /* buffer full */\n\n"); |
8f78c30f |
1500 | //print_tabs(2, fd); |
1501 | // for DEBUG only |
1502 | // fprintf(fd, "goto commit; /* DEBUG : never actually write. */\n\n"); |
1503 | print_tabs(2, fd); |
1504 | fprintf(fd, "*to_base = *to = *len = 0;\n"); |
1505 | fprintf(fd, "\n"); |
1506 | |
458989d8 |
1507 | /* Write event header */ |
1508 | print_tabs(2, fd); |
1509 | fprintf(fd, "ltt_write_event_header(trace, channel, buffer,\n"); |
1510 | print_tabs(3, fd); |
1511 | fprintf(fd, "ltt_facility_%s_%X, event_%s_%s,\n", fac->name, fac->checksum, |
1512 | fac->name, event->name); |
1513 | print_tabs(3, fd); |
1514 | fprintf(fd, "reserve_size, before_hdr_pad, tsc);\n"); |
1515 | print_tabs(2, fd); |
1516 | fprintf(fd, "*to_base += before_hdr_pad + after_hdr_pad + header_size;\n"); |
2a5eec7d |
1517 | fprintf(fd, "\n"); |
7e97b039 |
1518 | |
8f78c30f |
1519 | /* write data. */ |
a3e6ce64 |
1520 | |
1521 | for(unsigned int i=0;i<event->fields.position;i++){ |
2e415130 |
1522 | field_t *field = (field_t*)(event->fields.array[i]); |
a3e6ce64 |
1523 | type_descriptor_t *type = field->type; |
8f78c30f |
1524 | |
a3e6ce64 |
1525 | /* Set from */ |
30d72138 |
1526 | print_tabs(2, fd); |
1527 | switch(type->type) { |
1528 | case SEQUENCE: |
1529 | case UNION: |
1530 | case ARRAY: |
1531 | case STRUCT: |
1532 | case STRING: |
3ace7bc4 |
1533 | fprintf(fd, "*from = lttng_param_%s;\n", field->name); |
30d72138 |
1534 | break; |
1535 | default: |
3ace7bc4 |
1536 | fprintf(fd, "*from = <tng_param_%s;\n", field->name); |
30d72138 |
1537 | break; |
1538 | } |
1539 | |
a3e6ce64 |
1540 | |
1541 | if(print_type_write(type, |
3ace7bc4 |
1542 | fd, 2, basename, field->name, "lttng_param_", 0)) return 1; |
a3e6ce64 |
1543 | fprintf(fd, "\n"); |
7e97b039 |
1544 | |
a3e6ce64 |
1545 | /* Don't forget to flush pending memcpy */ |
1546 | print_tabs(2, fd); |
1547 | fprintf(fd, "/* Flush pending memcpy */\n"); |
1548 | print_tabs(2, fd); |
8f78c30f |
1549 | fprintf(fd, "if(*len != 0) {\n"); |
a3e6ce64 |
1550 | print_tabs(3, fd); |
458989d8 |
1551 | fprintf(fd, "memcpy(buffer+*to_base+*to, *from, *len);\n"); |
a3e6ce64 |
1552 | print_tabs(3, fd); |
458989d8 |
1553 | fprintf(fd, "*to += *len;\n"); |
a3e6ce64 |
1554 | //print_tabs(3, fd); |
1555 | //fprintf(fd, "from += len;\n"); |
1556 | print_tabs(3, fd); |
458989d8 |
1557 | fprintf(fd, "*len = 0;\n"); |
a3e6ce64 |
1558 | print_tabs(2, fd); |
1559 | fprintf(fd, "}\n"); |
1560 | fprintf(fd, "\n"); |
1561 | } |
1562 | |
1563 | |
7e97b039 |
1564 | /* commit */ |
8f78c30f |
1565 | // for DEBUG only. |
1566 | //fprintf(fd, "commit:\n"); /* DEBUG! */ |
a3e6ce64 |
1567 | print_tabs(2, fd); |
1568 | fprintf(fd, "ltt_commit_slot(relayfs_buf, buffer, slot_size);\n\n"); |
7e97b039 |
1569 | |
a3e6ce64 |
1570 | print_tabs(1, fd); |
1571 | fprintf(fd, "}\n\n"); |
1572 | |
7e97b039 |
1573 | /* Release locks */ |
a3e6ce64 |
1574 | print_tabs(1, fd); |
1575 | fprintf(fd, "ltt_nesting[smp_processor_id()]--;\n"); |
1576 | print_tabs(1, fd); |
1577 | fprintf(fd, "preempt_enable_no_resched();\n"); |
2d2d14a7 |
1578 | |
47299663 |
1579 | fprintf(fd, "}\n"); |
71e09db9 |
1580 | fprintf(fd, "#endif //(!defined(CONFIG_LTT) || !defined(CONFIG_LTT_FACILITY_%s))\n\n", |
1581 | fac->capname); |
47299663 |
1582 | return 0; |
1583 | } |
2d2d14a7 |
1584 | |
8a9103df |
1585 | /* print_event_logging_function_user_generic |
bd7b8ca6 |
1586 | * Print the logging function of an event for userspace tracing. This is the |
1587 | * core of genevent */ |
8a9103df |
1588 | int print_event_logging_function_user_generic(char *basename, facility_t *fac, |
bd7b8ca6 |
1589 | event_t *event, FILE *fd) |
1590 | { |
4a6829e2 |
1591 | char *attrib; |
8a9103df |
1592 | |
1593 | fprintf(fd, "#ifndef LTT_TRACE_FAST\n"); |
1594 | |
4a6829e2 |
1595 | if(event->no_instrument_function) { |
1596 | attrib = "__attribute__((no_instrument_function)) "; |
1597 | } else { |
1598 | attrib = ""; |
1599 | } |
1e08067e |
1600 | if(event->param_buffer) { |
4a6829e2 |
1601 | fprintf(fd, "static inline %sint trace_%s_param_buffer(\n", attrib, basename); |
1e08067e |
1602 | } else { |
4a6829e2 |
1603 | fprintf(fd, "static inline %sint trace_%s(\n",attrib, basename); |
1e08067e |
1604 | } |
bd7b8ca6 |
1605 | int has_argument = 0; |
1606 | int has_type_fixed = 0; |
1607 | |
1e08067e |
1608 | if(event->param_buffer) { |
bd7b8ca6 |
1609 | if(has_argument) { |
1e08067e |
1610 | fprintf(fd, ","); |
1611 | fprintf(fd, "\n"); |
bd7b8ca6 |
1612 | } |
1e08067e |
1613 | print_tabs(2, fd); |
1614 | fprintf(fd, "void *buffer"); |
bd7b8ca6 |
1615 | has_argument = 1; |
1e08067e |
1616 | fprintf(fd, ","); |
1617 | fprintf(fd, "\n"); |
1618 | print_tabs(2, fd); |
1619 | fprintf(fd, "size_t reserve_size"); |
1620 | } else { |
1621 | for(unsigned int j = 0; j < event->fields.position; j++) { |
1622 | /* For each field, print the function argument */ |
1623 | field_t *f = (field_t*)event->fields.array[j]; |
1624 | type_descriptor_t *t = f->type; |
1625 | if(has_argument) { |
1626 | fprintf(fd, ","); |
1627 | fprintf(fd, "\n"); |
1628 | } |
1629 | if(print_arg(t, fd, 2, basename, f->name)) return 1; |
1630 | has_argument = 1; |
1631 | } |
bd7b8ca6 |
1632 | } |
1633 | if(!has_argument) { |
1634 | print_tabs(2, fd); |
1635 | fprintf(fd, "void"); |
1636 | } |
1637 | fprintf(fd,")\n"); |
1638 | fprintf(fd, |
1639 | "#ifndef LTT_TRACE\n"); |
1640 | fprintf(fd, "{\n"); |
1641 | fprintf(fd, "}\n"); |
1642 | fprintf(fd,"#else\n"); |
1643 | fprintf(fd, "{\n"); |
1644 | /* Print the function variables */ |
1645 | print_tabs(1, fd); |
1e08067e |
1646 | fprintf(fd, "int ret = 0;\n"); |
1647 | if(event->param_buffer) { |
1648 | print_tabs(1, fd); |
1649 | fprintf(fd, "reserve_size = ltt_align(reserve_size, sizeof(void *));\n"); |
1650 | print_tabs(1, fd); |
1651 | fprintf(fd, "{\n"); |
1652 | goto do_syscall; |
1653 | } |
1654 | print_tabs(1, fd); |
bd7b8ca6 |
1655 | fprintf(fd, "void *buffer = NULL;\n"); |
1656 | print_tabs(1, fd); |
1657 | fprintf(fd, "size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */\n"); |
1658 | print_tabs(1, fd); |
1659 | fprintf(fd, "size_t *to_base = &real_to_base;\n"); |
1660 | print_tabs(1, fd); |
1661 | fprintf(fd, "size_t real_to = 0;\n"); |
1662 | print_tabs(1, fd); |
1663 | fprintf(fd, "size_t *to = &real_to;\n"); |
1664 | print_tabs(1, fd); |
1665 | fprintf(fd, "size_t real_len = 0;\n"); |
1666 | print_tabs(1, fd); |
1667 | fprintf(fd, "size_t *len = &real_len;\n"); |
1668 | print_tabs(1, fd); |
1669 | fprintf(fd, "size_t reserve_size;\n"); |
1670 | print_tabs(1, fd); |
1671 | fprintf(fd, "size_t slot_size;\n"); |
1672 | print_tabs(1, fd); |
bd7b8ca6 |
1673 | |
1674 | if(event->fields.position > 0) { |
1675 | for(unsigned int i=0;i<event->fields.position;i++){ |
1676 | /* Search for at least one child with fixed size. It means |
1677 | * we need local variables.*/ |
1678 | field_t *field = (field_t*)(event->fields.array[i]); |
1679 | type_descriptor_t *type = field->type; |
1680 | has_type_fixed = has_type_local(type); |
1681 | if(has_type_fixed) break; |
1682 | } |
1683 | |
1684 | if(has_type_fixed) { |
1685 | fprintf(fd, "size_t align;\n"); |
1686 | print_tabs(1, fd); |
1687 | } |
1688 | |
1689 | fprintf(fd, "const void *real_from;\n"); |
1690 | print_tabs(1, fd); |
1691 | fprintf(fd, "const void **from = &real_from;\n"); |
1692 | print_tabs(1, fd); |
1693 | } |
1694 | |
1695 | /* Calculate event variable len + event data alignment offset. |
1696 | * Assume that the padding for alignment starts at a void* |
1697 | * address. |
1698 | * This excludes the header size and alignment. */ |
1699 | |
1700 | print_tabs(1, fd); |
1701 | fprintf(fd, "/* For each field, calculate the field size. */\n"); |
1702 | print_tabs(1, fd); |
1703 | fprintf(fd, "/* size = *to_base + *to + *len */\n"); |
1704 | print_tabs(1, fd); |
1705 | fprintf(fd, "/* Assume that the padding for alignment starts at a\n"); |
1706 | print_tabs(1, fd); |
1707 | fprintf(fd, " * sizeof(void *) address. */\n"); |
1708 | fprintf(fd, "\n"); |
1709 | |
1710 | for(unsigned int i=0;i<event->fields.position;i++){ |
1711 | field_t *field = (field_t*)(event->fields.array[i]); |
1712 | type_descriptor_t *type = field->type; |
1713 | /* Set from */ |
1714 | print_tabs(1, fd); |
1715 | switch(type->type) { |
1716 | case SEQUENCE: |
1717 | case UNION: |
1718 | case ARRAY: |
1719 | case STRUCT: |
1720 | case STRING: |
1721 | fprintf(fd, "*from = lttng_param_%s;\n", field->name); |
1722 | break; |
1723 | default: |
1724 | fprintf(fd, "*from = <tng_param_%s;\n", field->name); |
1725 | break; |
1726 | } |
1727 | |
1728 | if(print_type_write(type, |
1729 | fd, 1, basename, field->name, "lttng_param_", 0)) return 1; |
1730 | fprintf(fd, "\n"); |
1731 | } |
1732 | print_tabs(1, fd); |
1733 | fprintf(fd, "reserve_size = *to_base + *to + *len;\n"); |
1734 | |
1735 | print_tabs(1, fd); |
1736 | fprintf(fd, "{\n"); |
1737 | print_tabs(2, fd); |
1738 | fprintf(fd, "char stack_buffer[reserve_size];\n"); |
1739 | print_tabs(2, fd); |
1740 | fprintf(fd, "buffer = stack_buffer;\n"); |
1741 | fprintf(fd, "\n"); |
1742 | |
1743 | |
1744 | //print_tabs(2, fd); |
1745 | // for DEBUG only |
1746 | // fprintf(fd, "goto commit; /* DEBUG : never actually write. */\n\n"); |
1747 | print_tabs(2, fd); |
1748 | fprintf(fd, "*to_base = *to = *len = 0;\n"); |
1749 | fprintf(fd, "\n"); |
1750 | |
1751 | /* write data. */ |
1752 | |
1753 | for(unsigned int i=0;i<event->fields.position;i++){ |
1754 | field_t *field = (field_t*)(event->fields.array[i]); |
1755 | type_descriptor_t *type = field->type; |
1756 | |
1757 | /* Set from */ |
1758 | print_tabs(2, fd); |
1759 | switch(type->type) { |
1760 | case SEQUENCE: |
1761 | case UNION: |
1762 | case ARRAY: |
1763 | case STRUCT: |
1764 | case STRING: |
1765 | fprintf(fd, "*from = lttng_param_%s;\n", field->name); |
1766 | break; |
1767 | default: |
1768 | fprintf(fd, "*from = <tng_param_%s;\n", field->name); |
1769 | break; |
1770 | } |
1771 | |
1772 | |
1773 | if(print_type_write(type, |
1774 | fd, 2, basename, field->name, "lttng_param_", 0)) return 1; |
1775 | fprintf(fd, "\n"); |
1776 | |
1777 | /* Don't forget to flush pending memcpy */ |
1778 | print_tabs(2, fd); |
1779 | fprintf(fd, "/* Flush pending memcpy */\n"); |
1780 | print_tabs(2, fd); |
1781 | fprintf(fd, "if(*len != 0) {\n"); |
1782 | print_tabs(3, fd); |
1783 | fprintf(fd, "memcpy(buffer+*to_base+*to, *from, *len);\n"); |
1784 | print_tabs(3, fd); |
1785 | fprintf(fd, "*to += *len;\n"); |
1786 | //print_tabs(3, fd); |
1787 | //fprintf(fd, "from += len;\n"); |
1788 | print_tabs(3, fd); |
1789 | fprintf(fd, "*len = 0;\n"); |
1790 | print_tabs(2, fd); |
1791 | fprintf(fd, "}\n"); |
1792 | fprintf(fd, "\n"); |
1793 | } |
1794 | |
1e08067e |
1795 | do_syscall: |
bd7b8ca6 |
1796 | print_tabs(2, fd); |
1e08067e |
1797 | fprintf(fd, "ret = ltt_trace_generic(ltt_facility_%s_%X, event_%s_%s, buffer, reserve_size, LTT_BLOCKING);\n", fac->name, fac->checksum, fac->name, event->name); |
bd7b8ca6 |
1798 | |
1799 | print_tabs(1, fd); |
1800 | fprintf(fd, "}\n\n"); |
1801 | |
1802 | print_tabs(1, fd); |
1803 | fprintf(fd, "return ret;\n\n"); |
1804 | |
1805 | fprintf(fd, "}\n"); |
1806 | fprintf(fd, |
1807 | "#endif //LTT_TRACE\n"); |
8a9103df |
1808 | fprintf(fd, "#endif //!LTT_TRACE_FAST\n\n"); |
bd7b8ca6 |
1809 | |
1810 | return 0; |
1811 | } |
2d2d14a7 |
1812 | |
8a9103df |
1813 | /* print_event_logging_function_user_fast |
1814 | * Print the logging function of an event for userspace tracing. This is the |
1815 | * core of genevent */ |
1816 | int print_event_logging_function_user_fast(char *basename, facility_t *fac, |
1817 | event_t *event, FILE *fd) |
1818 | { |
1819 | char *attrib; |
1820 | |
1821 | fprintf(fd, "#ifdef LTT_TRACE_FAST\n"); |
1822 | |
1823 | if(event->no_instrument_function) { |
1824 | attrib = "__attribute__((no_instrument_function)) "; |
1825 | } else { |
1826 | attrib = ""; |
1827 | } |
1828 | fprintf(fd, "static inline %sint trace_%s(\n",attrib, basename); |
1829 | |
1830 | int has_argument = 0; |
1831 | int has_type_fixed = 0; |
1832 | |
1833 | for(unsigned int j = 0; j < event->fields.position; j++) { |
1834 | /* For each field, print the function argument */ |
1835 | field_t *f = (field_t*)event->fields.array[j]; |
1836 | type_descriptor_t *t = f->type; |
1837 | if(has_argument) { |
1838 | fprintf(fd, ","); |
1839 | fprintf(fd, "\n"); |
1840 | } |
1841 | if(print_arg(t, fd, 2, basename, f->name)) return 1; |
1842 | has_argument = 1; |
1843 | } |
1844 | if(!has_argument) { |
1845 | print_tabs(2, fd); |
1846 | fprintf(fd, "void"); |
1847 | } |
1848 | fprintf(fd,")\n"); |
1849 | fprintf(fd, |
1850 | "#ifndef LTT_TRACE\n"); |
1851 | fprintf(fd, "{\n"); |
1852 | fprintf(fd, "}\n"); |
1853 | fprintf(fd,"#else\n"); |
1854 | fprintf(fd, "{\n"); |
1855 | /* Print the function variables */ |
1856 | print_tabs(1, fd); |
1857 | fprintf(fd, "unsigned int index;\n"); |
1858 | print_tabs(1, fd); |
1859 | fprintf(fd, "struct ltt_trace_info *trace = thread_trace_info;\n"); |
1860 | print_tabs(1, fd); |
1861 | fprintf(fd, "struct ltt_buf *ltt_buf;\n"); |
1862 | print_tabs(1, fd); |
1863 | fprintf(fd, "void *buffer = NULL;\n"); |
1864 | print_tabs(1, fd); |
1865 | fprintf(fd, "size_t real_to_base = 0; /* The buffer is allocated on arch_size alignment */\n"); |
1866 | print_tabs(1, fd); |
1867 | fprintf(fd, "size_t *to_base = &real_to_base;\n"); |
1868 | print_tabs(1, fd); |
1869 | fprintf(fd, "size_t real_to = 0;\n"); |
1870 | print_tabs(1, fd); |
1871 | fprintf(fd, "size_t *to = &real_to;\n"); |
1872 | print_tabs(1, fd); |
1873 | fprintf(fd, "size_t real_len = 0;\n"); |
1874 | print_tabs(1, fd); |
1875 | fprintf(fd, "size_t *len = &real_len;\n"); |
1876 | print_tabs(1, fd); |
1877 | fprintf(fd, "size_t reserve_size;\n"); |
1878 | print_tabs(1, fd); |
1879 | fprintf(fd, "size_t slot_size;\n"); |
1880 | print_tabs(1, fd); |
1881 | |
1882 | if(event->fields.position > 0) { |
1883 | for(unsigned int i=0;i<event->fields.position;i++){ |
1884 | /* Search for at least one child with fixed size. It means |
1885 | * we need local variables.*/ |
1886 | field_t *field = (field_t*)(event->fields.array[i]); |
1887 | type_descriptor_t *type = field->type; |
1888 | has_type_fixed = has_type_local(type); |
1889 | if(has_type_fixed) break; |
1890 | } |
1891 | |
1892 | if(has_type_fixed) { |
1893 | fprintf(fd, "size_t align;\n"); |
1894 | print_tabs(1, fd); |
1895 | } |
1896 | |
1897 | fprintf(fd, "const void *real_from;\n"); |
1898 | print_tabs(1, fd); |
1899 | fprintf(fd, "const void **from = &real_from;\n"); |
1900 | print_tabs(1, fd); |
1901 | } |
1902 | fprintf(fd, "uint64_t tsc;\n"); |
1903 | print_tabs(1, fd); |
1904 | fprintf(fd, "size_t before_hdr_pad, after_hdr_pad, header_size;\n"); |
1905 | fprintf(fd, "\n"); |
1906 | |
1907 | print_tabs(1, fd); |
ba017bc3 |
1908 | fprintf(fd, "if(!trace) {\n"); |
1909 | print_tabs(2, fd); |
1910 | fprintf(fd, "ltt_thread_init();\n"); |
1911 | print_tabs(2, fd); |
1912 | fprintf(fd, "trace = thread_trace_info;\n"); |
1913 | print_tabs(1, fd); |
1914 | fprintf(fd, "}\n\n"); |
8a9103df |
1915 | fprintf(fd, "\n"); |
1916 | |
1917 | /* Calculate event variable len + event data alignment offset. |
1918 | * Assume that the padding for alignment starts at a void* |
1919 | * address. |
1920 | * This excludes the header size and alignment. */ |
1921 | |
1922 | print_tabs(1, fd); |
1923 | fprintf(fd, "/* For each field, calculate the field size. */\n"); |
1924 | print_tabs(1, fd); |
1925 | fprintf(fd, "/* size = *to_base + *to + *len */\n"); |
1926 | print_tabs(1, fd); |
1927 | fprintf(fd, "/* Assume that the padding for alignment starts at a\n"); |
1928 | print_tabs(1, fd); |
1929 | fprintf(fd, " * sizeof(void *) address. */\n"); |
1930 | fprintf(fd, "\n"); |
1931 | |
1932 | for(unsigned int i=0;i<event->fields.position;i++){ |
1933 | field_t *field = (field_t*)(event->fields.array[i]); |
1934 | type_descriptor_t *type = field->type; |
1935 | /* Set from */ |
1936 | print_tabs(1, fd); |
1937 | switch(type->type) { |
1938 | case SEQUENCE: |
1939 | case UNION: |
1940 | case ARRAY: |
1941 | case STRUCT: |
1942 | case STRING: |
1943 | fprintf(fd, "*from = lttng_param_%s;\n", field->name); |
1944 | break; |
1945 | default: |
1946 | fprintf(fd, "*from = <tng_param_%s;\n", field->name); |
1947 | break; |
1948 | } |
1949 | |
1950 | if(print_type_write(type, |
1951 | fd, 1, basename, field->name, "lttng_param_", 0)) return 1; |
1952 | fprintf(fd, "\n"); |
1953 | } |
1954 | print_tabs(1, fd); |
1955 | fprintf(fd, "reserve_size = *to_base + *to + *len;\n"); |
1956 | |
1957 | print_tabs(1, fd); |
1958 | fprintf(fd, "trace->nesting++;\n"); |
1959 | |
1960 | /* Get facility index */ |
1961 | |
1962 | print_tabs(1, fd); |
1963 | fprintf(fd, |
1964 | "index = ltt_get_index_from_facility(ltt_facility_%s_%X,\n"\ |
1965 | "\t\t\t\t\t\tevent_%s_%s);\n", |
1966 | fac->name, fac->checksum, fac->name, event->name); |
1967 | fprintf(fd,"\n"); |
1968 | |
1969 | |
1970 | print_tabs(1, fd); |
1971 | fprintf(fd, "{\n"); |
1972 | |
1973 | if(event->per_trace) { |
1974 | print_tabs(2, fd); |
1975 | fprintf(fd, "if(dest_trace != trace) continue;\n\n"); |
1976 | } |
1977 | |
1978 | print_tabs(2, fd); |
1979 | fprintf(fd, "ltt_buf = ltt_get_channel_from_index(trace, index);\n"); |
1980 | print_tabs(2, fd); |
1981 | |
1982 | |
1983 | /* Relay reserve */ |
1984 | /* If error, increment event lost counter (done by ltt_reserve_slot) and |
1985 | * return */ |
1986 | print_tabs(2, fd); |
1987 | fprintf(fd, "slot_size = 0;\n"); |
1988 | print_tabs(2, fd); |
1989 | fprintf(fd, "buffer = ltt_reserve_slot(trace, ltt_buf,\n"); |
1990 | print_tabs(3, fd); |
1991 | fprintf(fd, "reserve_size, &slot_size, &tsc,\n"); |
1992 | print_tabs(3, fd); |
1993 | fprintf(fd, "&before_hdr_pad, &after_hdr_pad, &header_size);\n"); |
1994 | /* If error, return */ |
1995 | print_tabs(2, fd); |
1996 | fprintf(fd, "if(!buffer) goto end; /* buffer full */\n\n"); |
1997 | //print_tabs(2, fd); |
1998 | // for DEBUG only |
1999 | // fprintf(fd, "goto commit; /* DEBUG : never actually write. */\n\n"); |
2000 | print_tabs(2, fd); |
2001 | fprintf(fd, "*to_base = *to = *len = 0;\n"); |
2002 | fprintf(fd, "\n"); |
2003 | |
2004 | /* Write event header */ |
2005 | print_tabs(2, fd); |
2006 | fprintf(fd, "ltt_write_event_header(trace, ltt_buf, buffer,\n"); |
2007 | print_tabs(3, fd); |
2008 | fprintf(fd, "ltt_facility_%s_%X, event_%s_%s,\n", fac->name, fac->checksum, |
2009 | fac->name, event->name); |
2010 | print_tabs(3, fd); |
2011 | fprintf(fd, "reserve_size, before_hdr_pad, tsc);\n"); |
2012 | print_tabs(2, fd); |
2013 | fprintf(fd, "*to_base += before_hdr_pad + after_hdr_pad + header_size;\n"); |
2014 | fprintf(fd, "\n"); |
2015 | |
2016 | /* write data. */ |
2017 | |
2018 | for(unsigned int i=0;i<event->fields.position;i++){ |
2019 | field_t *field = (field_t*)(event->fields.array[i]); |
2020 | type_descriptor_t *type = field->type; |
2021 | |
2022 | /* Set from */ |
2023 | print_tabs(2, fd); |
2024 | switch(type->type) { |
2025 | case SEQUENCE: |
2026 | case UNION: |
2027 | case ARRAY: |
2028 | case STRUCT: |
2029 | case STRING: |
2030 | fprintf(fd, "*from = lttng_param_%s;\n", field->name); |
2031 | break; |
2032 | default: |
2033 | fprintf(fd, "*from = <tng_param_%s;\n", field->name); |
2034 | break; |
2035 | } |
2036 | |
2037 | |
2038 | if(print_type_write(type, |
2039 | fd, 2, basename, field->name, "lttng_param_", 0)) return 1; |
2040 | fprintf(fd, "\n"); |
2041 | |
2042 | /* Don't forget to flush pending memcpy */ |
2043 | print_tabs(2, fd); |
2044 | fprintf(fd, "/* Flush pending memcpy */\n"); |
2045 | print_tabs(2, fd); |
2046 | fprintf(fd, "if(*len != 0) {\n"); |
2047 | print_tabs(3, fd); |
2048 | fprintf(fd, "memcpy(buffer+*to_base+*to, *from, *len);\n"); |
2049 | print_tabs(3, fd); |
2050 | fprintf(fd, "*to += *len;\n"); |
2051 | //print_tabs(3, fd); |
2052 | //fprintf(fd, "from += len;\n"); |
2053 | print_tabs(3, fd); |
2054 | fprintf(fd, "*len = 0;\n"); |
2055 | print_tabs(2, fd); |
2056 | fprintf(fd, "}\n"); |
2057 | fprintf(fd, "\n"); |
2058 | } |
2059 | |
2060 | |
2061 | /* commit */ |
2062 | // for DEBUG only. |
2063 | //fprintf(fd, "commit:\n"); /* DEBUG! */ |
2064 | print_tabs(2, fd); |
2065 | fprintf(fd, "ltt_commit_slot(ltt_buf, buffer, slot_size);\n\n"); |
2066 | |
2067 | fprintf(fd, "}\n\n"); |
2068 | |
2069 | fprintf(fd, "end:\n"); |
2070 | /* Release locks */ |
2071 | print_tabs(1, fd); |
2072 | fprintf(fd, "trace->nesting--;\n"); |
2073 | |
2074 | |
2075 | fprintf(fd, "}\n"); |
2076 | fprintf(fd, |
2077 | "#endif //LTT_TRACE\n"); |
2078 | fprintf(fd, "#endif //LTT_TRACE_FAST\n"); |
2079 | |
2080 | return 0; |
2081 | } |
2082 | |
2083 | |
2084 | |
2085 | |
2086 | |
2087 | |
2d2d14a7 |
2088 | /* ltt-facility-name.h : main logging header. |
2089 | * log_header */ |
2090 | |
2091 | void print_log_header_head(facility_t *fac, FILE *fd) |
2092 | { |
2093 | fprintf(fd, "#ifndef _LTT_FACILITY_%s_H_\n", fac->capname); |
2094 | fprintf(fd, "#define _LTT_FACILITY_%s_H_\n\n", fac->capname); |
3d9b9b0c |
2095 | fprintf(fd, "#include <linux/types.h>\n"); |
ffaf5031 |
2096 | if(!fac->arch) |
2097 | fprintf(fd, "#include <linux/ltt/ltt-facility-id-%s.h>\n", fac->name); |
2098 | else |
2099 | fprintf(fd, "#include <asm/ltt/ltt-facility-id-%s_%s.h>\n", |
2100 | fac->name, |
2101 | fac->arch); |
3d9b9b0c |
2102 | fprintf(fd, "#include <linux/ltt-core.h>\n"); |
47299663 |
2103 | fprintf(fd, "\n"); |
2d2d14a7 |
2104 | } |
2105 | |
bd7b8ca6 |
2106 | /* ltt-facility-name.h : main logging header. |
2107 | * log_header */ |
2108 | |
2109 | void print_log_header_head_user(facility_t *fac, FILE *fd) |
2110 | { |
2111 | fprintf(fd, "#ifndef _LTT_FACILITY_%s_H_\n", fac->capname); |
2112 | fprintf(fd, "#define _LTT_FACILITY_%s_H_\n\n", fac->capname); |
2113 | fprintf(fd, "#include <sys/types.h>\n"); |
2114 | if(!fac->arch) |
2115 | fprintf(fd, "#include <ltt/ltt-facility-id-%s.h>\n", fac->name); |
2116 | else |
2117 | fprintf(fd, "#include <asm/ltt/ltt-facility-id-%s_%s.h>\n", |
2118 | fac->name, |
2119 | fac->arch); |
f389e596 |
2120 | fprintf(fd, "#include <ltt/ltt-usertrace.h>\n"); |
bd7b8ca6 |
2121 | fprintf(fd, "\n"); |
2122 | } |
2d2d14a7 |
2123 | |
2124 | |
2d2d14a7 |
2125 | int print_log_header_types(facility_t *fac, FILE *fd) |
2126 | { |
2127 | sequence_t *types = &fac->named_types.values; |
2128 | fprintf(fd, "/* Named types */\n"); |
2129 | fprintf(fd, "\n"); |
2130 | |
2131 | for(unsigned int i = 0; i < types->position; i++) { |
2132 | /* For each named type, print the definition */ |
458989d8 |
2133 | if(print_type_declaration(types->array[i], fd, |
2134 | 0, "", "")) return 1; |
34c1d1b5 |
2135 | /* Print also the align function */ |
458989d8 |
2136 | if(print_type_alignment_fct(types->array[i], fd, |
2137 | 0, "", "")) return 1; |
34c1d1b5 |
2138 | /* Print also the write function */ |
458989d8 |
2139 | if(print_type_write_fct(types->array[i], fd, |
2140 | 0, "", "")) return 1; |
2d2d14a7 |
2141 | } |
2142 | return 0; |
2143 | } |
2144 | |
2145 | int print_log_header_events(facility_t *fac, FILE *fd) |
2146 | { |
47299663 |
2147 | sequence_t *events = &fac->events; |
2148 | char basename[PATH_MAX]; |
2149 | unsigned int facname_len; |
2150 | |
2151 | strncpy(basename, fac->name, PATH_MAX); |
2152 | facname_len = strlen(basename); |
2153 | strncat(basename, "_", PATH_MAX-facname_len); |
2154 | facname_len = strlen(basename); |
2155 | |
2156 | for(unsigned int i = 0; i < events->position; i++) { |
2157 | event_t *event = (event_t*)events->array[i]; |
2158 | strncpy(&basename[facname_len], event->name, PATH_MAX-facname_len); |
2159 | |
2160 | /* For each event, print structure, and then logging function */ |
2161 | fprintf(fd, "/* Event %s structures */\n", |
2162 | event->name); |
2163 | for(unsigned int j = 0; j < event->fields.position; j++) { |
2164 | /* For each unnamed type, print the definition */ |
2165 | field_t *f = (field_t*)event->fields.array[j]; |
2166 | type_descriptor_t *t = f->type; |
34c1d1b5 |
2167 | if(t->type_name == NULL) { |
47299663 |
2168 | if((print_type_declaration(t, fd, 0, basename, f->name))) return 1; |
34c1d1b5 |
2169 | /* Print also the align function */ |
2170 | if((print_type_alignment_fct(t, fd, 0, basename, f->name))) return 1; |
2171 | /* Print also the write function */ |
2172 | if((print_type_write_fct(t, fd, 0, basename, f->name))) return 1; |
2173 | } |
47299663 |
2174 | } |
34c1d1b5 |
2175 | |
47299663 |
2176 | fprintf(fd, "\n"); |
2d2d14a7 |
2177 | |
47299663 |
2178 | fprintf(fd, "/* Event %s logging function */\n", |
2179 | event->name); |
bd7b8ca6 |
2180 | |
2181 | if(!fac->user) { |
2182 | if(print_event_logging_function(basename, fac, event, fd)) return 1; |
2183 | } else { |
8a9103df |
2184 | if(print_event_logging_function_user_generic(basename, fac, event, fd)) |
2185 | return 1; |
2186 | if(print_event_logging_function_user_fast(basename, fac, event, fd)) |
2187 | return 1; |
bd7b8ca6 |
2188 | } |
47299663 |
2189 | |
2190 | fprintf(fd, "\n"); |
2191 | } |
2192 | |
2d2d14a7 |
2193 | return 0; |
2194 | } |
2195 | |
2196 | |
2197 | void print_log_header_tail(facility_t *fac, FILE *fd) |
2198 | { |
2199 | fprintf(fd, "#endif //_LTT_FACILITY_%s_H_\n",fac->capname); |
2200 | } |
bd7b8ca6 |
2201 | |
2202 | void print_log_header_tail_user(facility_t *fac, FILE *fd) |
2203 | { |
2204 | fprintf(fd, "#endif //_LTT_FACILITY_%s_H_\n",fac->capname); |
2205 | } |
2d2d14a7 |
2206 | |
2207 | int print_log_header(facility_t *fac) |
2208 | { |
2209 | char filename[PATH_MAX]; |
2210 | unsigned int filename_size = 0; |
2211 | FILE *fd; |
2212 | dprintf("%s\n", fac->name); |
2213 | |
2214 | strcpy(filename, "ltt-facility-"); |
2215 | filename_size = strlen(filename); |
2216 | |
2217 | strncat(filename, fac->name, PATH_MAX - filename_size); |
2218 | filename_size = strlen(filename); |
2219 | |
ffaf5031 |
2220 | if(fac->arch) { |
2221 | strncat(filename, "_", PATH_MAX - filename_size); |
2222 | filename_size = strlen(filename); |
2223 | |
2224 | strncat(filename, fac->arch, PATH_MAX - filename_size); |
2225 | filename_size = strlen(filename); |
2226 | } |
2227 | |
2d2d14a7 |
2228 | strncat(filename, ".h", PATH_MAX - filename_size); |
2229 | filename_size = strlen(filename); |
2230 | |
2231 | |
2232 | fd = fopen(filename, "w"); |
2233 | if(fd == NULL) { |
2234 | printf("Error opening file %s for writing : %s\n", |
2235 | filename, strerror(errno)); |
2236 | return errno; |
2237 | } |
2238 | |
2239 | /* Print file head */ |
bd7b8ca6 |
2240 | if(!fac->user) |
2241 | print_log_header_head(fac, fd); |
2242 | else |
2243 | print_log_header_head_user(fac, fd); |
2d2d14a7 |
2244 | |
2245 | /* print named types in declaration order */ |
2246 | if(print_log_header_types(fac, fd)) return 1; |
2247 | |
2248 | /* Print events */ |
2249 | if(print_log_header_events(fac, fd)) return 1; |
2250 | |
2251 | /* Print file tail */ |
bd7b8ca6 |
2252 | if(!fac->user) |
2253 | print_log_header_tail(fac, fd); |
2254 | else |
2255 | print_log_header_tail_user(fac, fd); |
2256 | |
2d2d14a7 |
2257 | |
2258 | |
2259 | fclose(fd); |
2260 | |
2261 | return 0; |
2262 | } |
2263 | |
2264 | |
2265 | /* ltt-facility-id-name.h : facility id. |
2266 | * log_id_header */ |
2267 | int print_id_header(facility_t *fac) |
2268 | { |
2269 | char filename[PATH_MAX]; |
2270 | unsigned int filename_size = 0; |
2271 | FILE *fd; |
71e09db9 |
2272 | char basename[PATH_MAX]; |
2273 | char basename_len = 0; |
2274 | |
2d2d14a7 |
2275 | dprintf("%s\n", fac->name); |
2276 | |
2277 | strcpy(filename, "ltt-facility-id-"); |
2278 | filename_size = strlen(filename); |
2279 | |
2280 | strncat(filename, fac->name, PATH_MAX - filename_size); |
2281 | filename_size = strlen(filename); |
2282 | |
ffaf5031 |
2283 | if(fac->arch) { |
2284 | strncat(filename, "_", PATH_MAX - filename_size); |
2285 | filename_size = strlen(filename); |
2286 | |
2287 | strncat(filename, fac->arch, PATH_MAX - filename_size); |
2288 | filename_size = strlen(filename); |
2289 | } |
2290 | |
2d2d14a7 |
2291 | strncat(filename, ".h", PATH_MAX - filename_size); |
2292 | filename_size = strlen(filename); |
2293 | |
2294 | |
2295 | fd = fopen(filename, "w"); |
2296 | if(fd == NULL) { |
2297 | printf("Error opening file %s for writing : %s\n", |
2298 | filename, strerror(errno)); |
2299 | return errno; |
2300 | } |
2301 | |
bd7b8ca6 |
2302 | if(!fac->user) { |
2303 | fprintf(fd, "#ifndef _LTT_FACILITY_ID_%s_H_\n",fac->capname); |
2304 | fprintf(fd, "#define _LTT_FACILITY_ID_%s_H_\n\n",fac->capname); |
2305 | fprintf(fd, "#ifdef CONFIG_LTT\n"); |
71e09db9 |
2306 | |
bd7b8ca6 |
2307 | fprintf(fd,"#include <linux/ltt-facilities.h>\n\n"); |
71e09db9 |
2308 | |
bd7b8ca6 |
2309 | fprintf(fd,"/**** facility handle ****/\n\n"); |
2310 | fprintf(fd,"extern ltt_facility_t ltt_facility_%s_%X;\n", |
2311 | fac->name, fac->checksum); |
2312 | fprintf(fd,"extern ltt_facility_t ltt_facility_%s;\n\n\n",fac->name); |
71e09db9 |
2313 | |
bd7b8ca6 |
2314 | strncpy(basename, fac->name, PATH_MAX); |
2315 | basename_len = strlen(basename); |
2316 | strncat(basename, "_", PATH_MAX - basename_len); |
2317 | basename_len++; |
2318 | |
2319 | fprintf(fd,"/**** event index ****/\n\n"); |
2320 | fprintf(fd,"enum %s_event {\n",fac->name); |
2321 | |
2322 | for(unsigned int i = 0; i < fac->events.position; i++) { |
2323 | event_t *event = (event_t*)fac->events.array[i]; |
2324 | strncpy(basename+basename_len, event->name, PATH_MAX-basename_len); |
2325 | print_tabs(1, fd); |
2326 | fprintf(fd, "event_%s,\n", basename); |
2327 | } |
71e09db9 |
2328 | print_tabs(1, fd); |
bd7b8ca6 |
2329 | fprintf(fd, "facility_%s_num_events\n", fac->name); |
2330 | fprintf(fd, "};\n"); |
2331 | fprintf(fd, "\n"); |
71e09db9 |
2332 | |
2333 | |
bd7b8ca6 |
2334 | fprintf(fd, "#endif //CONFIG_LTT\n"); |
2335 | fprintf(fd, "#endif //_LTT_FACILITY_ID_%s_H_\n",fac->capname); |
2336 | } else { |
2337 | fprintf(fd, "#ifndef _LTT_FACILITY_ID_%s_H_\n",fac->capname); |
2338 | fprintf(fd, "#define _LTT_FACILITY_ID_%s_H_\n\n",fac->capname); |
2339 | fprintf(fd, "#ifdef LTT_TRACE\n"); |
2340 | |
f389e596 |
2341 | fprintf(fd,"#include <ltt/ltt-usertrace.h>\n\n"); |
bd7b8ca6 |
2342 | |
2343 | fprintf(fd,"/**** facility handle ****/\n\n"); |
2344 | fprintf(fd,"extern ltt_facility_t ltt_facility_%s_%X;\n", |
2345 | fac->name, fac->checksum); |
2346 | fprintf(fd,"extern ltt_facility_t ltt_facility_%s;\n\n\n",fac->name); |
2347 | |
2348 | strncpy(basename, fac->name, PATH_MAX); |
2349 | basename_len = strlen(basename); |
2350 | strncat(basename, "_", PATH_MAX - basename_len); |
2351 | basename_len++; |
2352 | |
2353 | fprintf(fd,"/**** event index ****/\n\n"); |
2354 | fprintf(fd,"enum %s_event {\n",fac->name); |
2355 | |
2356 | for(unsigned int i = 0; i < fac->events.position; i++) { |
2357 | event_t *event = (event_t*)fac->events.array[i]; |
2358 | strncpy(basename+basename_len, event->name, PATH_MAX-basename_len); |
2359 | print_tabs(1, fd); |
2360 | fprintf(fd, "event_%s,\n", basename); |
2361 | } |
2362 | print_tabs(1, fd); |
2363 | fprintf(fd, "facility_%s_num_events\n", fac->name); |
2364 | fprintf(fd, "};\n"); |
2365 | fprintf(fd, "\n"); |
2366 | |
2367 | |
2368 | fprintf(fd, "#endif //LTT_TRACE\n"); |
2369 | fprintf(fd, "#endif //_LTT_FACILITY_ID_%s_H_\n",fac->capname); |
2370 | } |
71e09db9 |
2371 | |
2372 | |
2d2d14a7 |
2373 | fclose(fd); |
2374 | |
2375 | return 0; |
2376 | } |
2377 | |
2378 | |
2379 | /* ltt-facility-loader-name.h : facility specific loader info. |
2380 | * loader_header */ |
2381 | int print_loader_header(facility_t *fac) |
2382 | { |
2383 | char filename[PATH_MAX]; |
2384 | unsigned int filename_size = 0; |
2385 | FILE *fd; |
2386 | dprintf("%s\n", fac->name); |
2387 | |
2388 | strcpy(filename, "ltt-facility-loader-"); |
2389 | filename_size = strlen(filename); |
2390 | |
2391 | strncat(filename, fac->name, PATH_MAX - filename_size); |
2392 | filename_size = strlen(filename); |
2393 | |
ffaf5031 |
2394 | if(fac->arch) { |
2395 | strncat(filename, "_", PATH_MAX - filename_size); |
2396 | filename_size = strlen(filename); |
2397 | |
2398 | strncat(filename, fac->arch, PATH_MAX - filename_size); |
2399 | filename_size = strlen(filename); |
2400 | } |
2401 | |
2d2d14a7 |
2402 | strncat(filename, ".h", PATH_MAX - filename_size); |
2403 | filename_size = strlen(filename); |
2404 | |
2405 | |
2406 | fd = fopen(filename, "w"); |
2407 | if(fd == NULL) { |
2408 | printf("Error opening file %s for writing : %s\n", |
2409 | filename, strerror(errno)); |
2410 | return errno; |
2411 | } |
2412 | |
71e09db9 |
2413 | fprintf(fd, "#ifndef _LTT_FACILITY_LOADER_%s_H_\n", fac->capname); |
2414 | fprintf(fd, "#define _LTT_FACILITY_LOADER_%s_H_\n\n", fac->capname); |
2415 | fprintf(fd, "#ifdef CONFIG_LTT\n\n"); |
2416 | fprintf(fd,"#include <linux/ltt-facilities.h>\n"); |
ffaf5031 |
2417 | if(!fac->arch) |
2418 | fprintf(fd,"#include <linux/ltt/ltt-facility-id-%s.h>\n\n", |
2419 | fac->name); |
2420 | else |
2421 | fprintf(fd,"#include <asm/ltt/ltt-facility-id-%s_%s.h>\n\n", |
2422 | fac->name, |
2423 | fac->arch); |
71e09db9 |
2424 | fprintf(fd,"ltt_facility_t\tltt_facility_%s;\n", fac->name); |
2425 | fprintf(fd,"ltt_facility_t\tltt_facility_%s_%X;\n\n", |
2426 | fac->name, fac->checksum); |
2427 | |
2428 | fprintf(fd,"#define LTT_FACILITY_SYMBOL\t\t\t\t\t\t\tltt_facility_%s\n", |
2429 | fac->name); |
2430 | fprintf(fd,"#define LTT_FACILITY_CHECKSUM_SYMBOL\t\tltt_facility_%s_%X\n", |
2431 | fac->name, fac->checksum); |
2432 | fprintf(fd,"#define LTT_FACILITY_CHECKSUM\t\t\t\t\t\t0x%X\n", fac->checksum); |
2433 | fprintf(fd,"#define LTT_FACILITY_NAME\t\t\t\t\t\t\t\t\"%s\"\n", fac->name); |
2434 | fprintf(fd,"#define LTT_FACILITY_NUM_EVENTS\t\t\t\t\tfacility_%s_num_events\n\n", |
2435 | fac->name); |
2436 | fprintf(fd, "#endif //CONFIG_LTT\n\n"); |
2437 | fprintf(fd, "#endif //_LTT_FACILITY_LOADER_%s_H_\n", fac->capname); |
2438 | |
2d2d14a7 |
2439 | fclose(fd); |
2440 | |
2441 | return 0; |
2442 | } |
2443 | |
bd7b8ca6 |
2444 | int print_loader_header_user(facility_t *fac) |
2445 | { |
2446 | char filename[PATH_MAX]; |
2447 | unsigned int filename_size = 0; |
2448 | FILE *fd; |
2449 | dprintf("%s\n", fac->name); |
2450 | |
2451 | strcpy(filename, "ltt-facility-loader-"); |
2452 | filename_size = strlen(filename); |
2453 | |
2454 | strncat(filename, fac->name, PATH_MAX - filename_size); |
2455 | filename_size = strlen(filename); |
2456 | |
2457 | if(fac->arch) { |
2458 | strncat(filename, "_", PATH_MAX - filename_size); |
2459 | filename_size = strlen(filename); |
2460 | |
2461 | strncat(filename, fac->arch, PATH_MAX - filename_size); |
2462 | filename_size = strlen(filename); |
2463 | } |
2464 | |
2465 | strncat(filename, ".h", PATH_MAX - filename_size); |
2466 | filename_size = strlen(filename); |
2467 | |
2468 | |
2469 | fd = fopen(filename, "w"); |
2470 | if(fd == NULL) { |
2471 | printf("Error opening file %s for writing : %s\n", |
2472 | filename, strerror(errno)); |
2473 | return errno; |
2474 | } |
2475 | |
2476 | fprintf(fd, "#ifndef _LTT_FACILITY_LOADER_%s_H_\n", fac->capname); |
2477 | fprintf(fd, "#define _LTT_FACILITY_LOADER_%s_H_\n\n", fac->capname); |
f389e596 |
2478 | fprintf(fd,"#include <ltt/ltt-usertrace.h>\n"); |
bd7b8ca6 |
2479 | if(!fac->arch) |
2480 | fprintf(fd,"#include <ltt/ltt-facility-id-%s.h>\n\n", |
2481 | fac->name); |
2482 | else |
2483 | fprintf(fd,"#include <asm/ltt/ltt-facility-id-%s_%s.h>\n\n", |
2484 | fac->name, |
2485 | fac->arch); |
2486 | fprintf(fd,"ltt_facility_t\tltt_facility_%s;\n", fac->name); |
2487 | fprintf(fd,"ltt_facility_t\tltt_facility_%s_%X;\n\n", |
2488 | fac->name, fac->checksum); |
2489 | |
2490 | fprintf(fd,"#define LTT_FACILITY_SYMBOL\t\t\t\t\t\t\tltt_facility_%s\n", |
2491 | fac->name); |
2492 | fprintf(fd,"#define LTT_FACILITY_CHECKSUM_SYMBOL\t\tltt_facility_%s_%X\n", |
2493 | fac->name, fac->checksum); |
2494 | fprintf(fd,"#define LTT_FACILITY_CHECKSUM\t\t\t\t\t\t0x%X\n", fac->checksum); |
2495 | fprintf(fd,"#define LTT_FACILITY_NAME\t\t\t\t\t\t\t\t\"%s\"\n", fac->name); |
2496 | fprintf(fd,"#define LTT_FACILITY_NUM_EVENTS\t\t\t\t\tfacility_%s_num_events\n\n", |
2497 | fac->name); |
2498 | fprintf(fd, "#endif //_LTT_FACILITY_LOADER_%s_H_\n", fac->capname); |
2499 | |
2500 | fclose(fd); |
2501 | |
2502 | return 0; |
2503 | } |
2504 | |
2505 | |
2506 | |
2507 | /* ltt-facility-loader-name.c : generic facility loader |
2d2d14a7 |
2508 | * loader_c */ |
2509 | int print_loader_c(facility_t *fac) |
2510 | { |
2511 | char filename[PATH_MAX]; |
2512 | unsigned int filename_size = 0; |
2513 | FILE *fd; |
2514 | dprintf("%s\n", fac->name); |
2515 | |
2516 | strcpy(filename, "ltt-facility-loader-"); |
2517 | filename_size = strlen(filename); |
2518 | |
2519 | strncat(filename, fac->name, PATH_MAX - filename_size); |
2520 | filename_size = strlen(filename); |
2521 | |
ffaf5031 |
2522 | if(fac->arch) { |
2523 | strncat(filename, "_", PATH_MAX - filename_size); |
2524 | filename_size = strlen(filename); |
2525 | |
2526 | strncat(filename, fac->arch, PATH_MAX - filename_size); |
2527 | filename_size = strlen(filename); |
2528 | } |
2529 | |
2d2d14a7 |
2530 | strncat(filename, ".c", PATH_MAX - filename_size); |
2531 | filename_size = strlen(filename); |
2532 | |
2533 | |
2534 | fd = fopen(filename, "w"); |
2535 | if(fd == NULL) { |
2536 | printf("Error opening file %s for writing : %s\n", |
2537 | filename, strerror(errno)); |
2538 | return errno; |
2539 | } |
2540 | |
71e09db9 |
2541 | fprintf(fd, "/*\n"); |
ffaf5031 |
2542 | if(!fac->arch) |
2543 | fprintf(fd, " * ltt-facility-loader-%s.c\n", fac->name); |
2544 | else |
2545 | fprintf(fd, " * ltt-facility-loader-%s_%s.c\n", fac->name, fac->arch); |
71e09db9 |
2546 | fprintf(fd, " *\n"); |
2547 | fprintf(fd, " * (C) Copyright 2005 - \n"); |
2548 | fprintf(fd, " * Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca)\n"); |
2549 | fprintf(fd, " *\n"); |
2550 | fprintf(fd, " * Contains the LTT facility loader.\n"); |
2551 | fprintf(fd, " *\n"); |
2552 | fprintf(fd, " */\n"); |
2553 | fprintf(fd, "\n"); |
2554 | fprintf(fd, "\n"); |
2555 | fprintf(fd, "#include <linux/ltt-facilities.h>\n"); |
2556 | fprintf(fd, "#include <linux/module.h>\n"); |
2557 | fprintf(fd, "#include <linux/init.h>\n"); |
2558 | fprintf(fd, "#include <linux/config.h>\n"); |
ffaf5031 |
2559 | if(!fac->arch) |
2560 | fprintf(fd, "#include \"ltt-facility-loader-%s.h\"\n", fac->name); |
2561 | else |
2562 | fprintf(fd, "#include \"ltt-facility-loader-%s_%s.h\"\n", |
2563 | fac->name, fac->arch); |
71e09db9 |
2564 | fprintf(fd, "\n"); |
2565 | fprintf(fd, "\n"); |
2566 | fprintf(fd, "#ifdef CONFIG_LTT\n"); |
2567 | fprintf(fd, "\n"); |
2568 | fprintf(fd, "EXPORT_SYMBOL(LTT_FACILITY_SYMBOL);\n"); |
2569 | fprintf(fd, "EXPORT_SYMBOL(LTT_FACILITY_CHECKSUM_SYMBOL);\n"); |
2570 | fprintf(fd, "\n"); |
2571 | fprintf(fd, "static const char ltt_facility_name[] = LTT_FACILITY_NAME;\n"); |
2572 | fprintf(fd, "\n"); |
2573 | fprintf(fd, "#define SYMBOL_STRING(sym) #sym\n"); |
2574 | fprintf(fd, "\n"); |
2575 | fprintf(fd, "static struct ltt_facility facility = {\n"); |
2576 | fprintf(fd, "\t.name = ltt_facility_name,\n"); |
2577 | fprintf(fd, "\t.num_events = LTT_FACILITY_NUM_EVENTS,\n"); |
2578 | fprintf(fd, "\t.checksum = LTT_FACILITY_CHECKSUM,\n"); |
2579 | fprintf(fd, "\t.symbol = SYMBOL_STRING(LTT_FACILITY_SYMBOL),\n"); |
2580 | fprintf(fd, "};\n"); |
2581 | fprintf(fd, "\n"); |
71e09db9 |
2582 | fprintf(fd, "static int __init facility_init(void)\n"); |
2583 | fprintf(fd, "{\n"); |
2584 | fprintf(fd, "\tprintk(KERN_INFO \"LTT : ltt-facility-%s init in kernel\\n\");\n", fac->name); |
2585 | fprintf(fd, "\n"); |
bd7b8ca6 |
2586 | fprintf(fd, "\tLTT_FACILITY_SYMBOL = ltt_facility_kernel_register(&facility);\n"); |
71e09db9 |
2587 | fprintf(fd, "\tLTT_FACILITY_CHECKSUM_SYMBOL = LTT_FACILITY_SYMBOL;\n"); |
2588 | fprintf(fd, "\t\n"); |
2589 | fprintf(fd, "\treturn LTT_FACILITY_SYMBOL;\n"); |
2590 | fprintf(fd, "}\n"); |
2591 | fprintf(fd, "__initcall(facility_init);\n"); |
2592 | fprintf(fd, "\n"); |
2593 | fprintf(fd, "\n"); |
bd7b8ca6 |
2594 | fprintf(fd, "#ifndef MODULE\n"); |
71e09db9 |
2595 | fprintf(fd, "\n"); |
2596 | fprintf(fd, "static void __exit facility_exit(void)\n"); |
2597 | fprintf(fd, "{\n"); |
2598 | fprintf(fd, "\tint err;\n"); |
2599 | fprintf(fd, "\n"); |
bd7b8ca6 |
2600 | fprintf(fd, "\terr = ltt_facility_unregister(LTT_FACILITY_SYMBOL);\n"); |
71e09db9 |
2601 | fprintf(fd, "\tif(err != 0)\n"); |
2602 | fprintf(fd, "\t\tprintk(KERN_ERR \"LTT : Error in unregistering facility.\\n\");\n"); |
2603 | fprintf(fd, "\n"); |
2604 | fprintf(fd, "}\n"); |
2605 | fprintf(fd, "\n"); |
71e09db9 |
2606 | fprintf(fd, "module_exit(facility_exit)\n"); |
2607 | fprintf(fd, "\n"); |
2608 | fprintf(fd, "\n"); |
2609 | fprintf(fd, "MODULE_LICENSE(\"GPL\");\n"); |
2610 | fprintf(fd, "MODULE_AUTHOR(\"Mathieu Desnoyers\");\n"); |
2611 | fprintf(fd, "MODULE_DESCRIPTION(\"Linux Trace Toolkit Facility\");\n"); |
2612 | fprintf(fd, "\n"); |
2613 | fprintf(fd, "#endif //MODULE\n"); |
2614 | fprintf(fd, "\n"); |
2615 | fprintf(fd, "#endif //CONFIG_LTT\n"); |
2d2d14a7 |
2616 | |
2617 | fclose(fd); |
2618 | |
2619 | return 0; |
2620 | } |
2621 | |
bd7b8ca6 |
2622 | int print_loader_c_user(facility_t *fac) |
2623 | { |
2624 | char filename[PATH_MAX]; |
2625 | unsigned int filename_size = 0; |
2626 | FILE *fd; |
2627 | dprintf("%s\n", fac->name); |
2628 | |
2629 | strcpy(filename, "ltt-facility-loader-"); |
2630 | filename_size = strlen(filename); |
2631 | |
2632 | strncat(filename, fac->name, PATH_MAX - filename_size); |
2633 | filename_size = strlen(filename); |
2634 | |
2635 | if(fac->arch) { |
2636 | strncat(filename, "_", PATH_MAX - filename_size); |
2637 | filename_size = strlen(filename); |
2638 | |
2639 | strncat(filename, fac->arch, PATH_MAX - filename_size); |
2640 | filename_size = strlen(filename); |
2641 | } |
2642 | |
2643 | strncat(filename, ".c", PATH_MAX - filename_size); |
2644 | filename_size = strlen(filename); |
2645 | |
2646 | |
2647 | fd = fopen(filename, "w"); |
2648 | if(fd == NULL) { |
2649 | printf("Error opening file %s for writing : %s\n", |
2650 | filename, strerror(errno)); |
2651 | return errno; |
2652 | } |
2653 | |
2654 | fprintf(fd, "/*\n"); |
2655 | if(!fac->arch) |
2656 | fprintf(fd, " * ltt-facility-loader-%s.c\n", fac->name); |
2657 | else |
2658 | fprintf(fd, " * ltt-facility-loader-%s_%s.c\n", fac->name, fac->arch); |
2659 | fprintf(fd, " *\n"); |
2660 | fprintf(fd, " * (C) Copyright 2005 - \n"); |
2661 | fprintf(fd, " * Mathieu Desnoyers (mathieu.desnoyers@polymtl.ca)\n"); |
2662 | fprintf(fd, " *\n"); |
2663 | fprintf(fd, " * Contains the LTT user space facility loader.\n"); |
2664 | fprintf(fd, " *\n"); |
2665 | fprintf(fd, " */\n"); |
2666 | fprintf(fd, "\n"); |
2667 | fprintf(fd, "\n"); |
2668 | fprintf(fd, "#define LTT_TRACE\n"); |
2669 | fprintf(fd, "#include <error.h>\n"); |
2670 | fprintf(fd, "#include <stdio.h>\n"); |
f389e596 |
2671 | fprintf(fd, "#include <ltt/ltt-usertrace.h>\n"); |
bd7b8ca6 |
2672 | if(!fac->arch) |
2673 | fprintf(fd, "#include \"ltt-facility-loader-%s.h\"\n", fac->name); |
2674 | else |
2675 | fprintf(fd, "#include \"ltt-facility-loader-%s_%s.h\"\n", |
2676 | fac->name, fac->arch); |
2677 | fprintf(fd, "\n"); |
2678 | fprintf(fd, "static struct user_facility_info facility = {\n"); |
2679 | fprintf(fd, "\t.name = LTT_FACILITY_NAME,\n"); |
2680 | fprintf(fd, "\t.num_events = LTT_FACILITY_NUM_EVENTS,\n"); |
2681 | fprintf(fd, "#ifndef LTT_PACK\n"); |
2682 | fprintf(fd, "\t.alignment = sizeof(void*),\n"); |
2683 | fprintf(fd, "#else\n"); |
2684 | fprintf(fd, "\t.alignment = 0,\n"); |
2685 | fprintf(fd, "#endif //LTT_PACK\n"); |
2686 | fprintf(fd, "\t.checksum = LTT_FACILITY_CHECKSUM,\n"); |
2687 | fprintf(fd, "\t.int_size = sizeof(int),\n"); |
2688 | fprintf(fd, "\t.long_size = sizeof(long),\n"); |
2689 | fprintf(fd, "\t.pointer_size = sizeof(void*),\n"); |
2690 | fprintf(fd, "\t.size_t_size = sizeof(size_t)\n"); |
2691 | fprintf(fd, "};\n"); |
2692 | fprintf(fd, "\n"); |
2693 | fprintf(fd, "static void __attribute__((constructor)) __ltt_user_init(void)\n"); |
2694 | fprintf(fd, "{\n"); |
2695 | fprintf(fd, "\tint err;\n"); |
2d6c6b76 |
2696 | fprintf(fd, "#ifdef LTT_SHOW_DEBUG\n"); |
bd7b8ca6 |
2697 | fprintf(fd, "\tprintf(\"LTT : ltt-facility-%s init in userspace\\n\");\n", fac->name); |
2d6c6b76 |
2698 | fprintf(fd, "#endif //LTT_SHOW_DEBUG\n"); |
bd7b8ca6 |
2699 | fprintf(fd, "\n"); |
2700 | fprintf(fd, "\terr = ltt_register_generic(<T_FACILITY_SYMBOL, &facility);\n"); |
2701 | fprintf(fd, "\tLTT_FACILITY_CHECKSUM_SYMBOL = LTT_FACILITY_SYMBOL;\n"); |
2702 | fprintf(fd, "\t\n"); |
2703 | fprintf(fd, "\tif(err) {\n"); |
2d6c6b76 |
2704 | fprintf(fd, "#ifdef LTT_SHOW_DEBUG\n"); |
bd7b8ca6 |
2705 | fprintf(fd, "\t\tperror(\"Error in ltt_register_generic\");\n"); |
2d6c6b76 |
2706 | fprintf(fd, "#endif //LTT_SHOW_DEBUG\n"); |
bd7b8ca6 |
2707 | fprintf(fd, "\t}\n"); |
2708 | fprintf(fd, "}\n"); |
2709 | fprintf(fd, "\n"); |
2710 | |
2711 | fclose(fd); |
2712 | |
2713 | return 0; |
2714 | } |
2715 | |
2d2d14a7 |
2716 | |
2717 | |
92d82357 |
2718 | /* open facility */ |
2719 | /* code taken from ltt_facility_open in ltt/facility.c in lttv */ |
2720 | |
2721 | /***************************************************************************** |
2722 | *Function name |
2723 | * ltt_facility_open : open facilities |
2724 | *Input params |
2725 | * pathname : the path name of the facility |
2726 | * |
2727 | * Open the facility corresponding to the right checksum. |
2728 | * |
2729 | *returns the facility on success, NULL on error. |
2730 | ****************************************************************************/ |
2731 | facility_t *ltt_facility_open(char * pathname) |
2732 | { |
2733 | int ret = 0; |
2734 | char *token; |
2735 | parse_file_t in; |
2736 | facility_t * fac = NULL; |
92d82357 |
2737 | char buffer[BUFFER_SIZE]; |
2738 | int generated = FALSE; |
2739 | |
2740 | in.buffer = &(buffer[0]); |
2741 | in.lineno = 0; |
2742 | in.error = error_callback; |
2743 | in.name = pathname; |
2744 | in.unget = 0; |
2745 | |
2746 | in.fp = fopen(in.name, "r"); |
2747 | if(in.fp == NULL) { |
2748 | ret = 1; |
2749 | goto open_error; |
2750 | } |
2751 | |
2752 | while(1){ |
2753 | token = getToken(&in); |
2754 | if(in.type == ENDFILE) break; |
2755 | |
2756 | if(generated) { |
2757 | printf("More than one facility in the file. Only using the first one.\n"); |
2758 | break; |
2759 | } |
2760 | |
2761 | if(strcmp(token, "<")) in.error(&in,"not a facility file"); |
2762 | token = getName(&in); |
f389e596 |
2763 | if(strcmp(token, "?")) in.error(&in,"not a facility file"); |
2764 | token = getName(&in); |
2765 | if(strcmp(token, "xml")) in.error(&in,"not a facility file"); |
2766 | token = getName(&in); |
2767 | if(strcmp(token, "version")) in.error(&in,"not a facility file"); |
2768 | token = getName(&in); |
2769 | if(strcmp(token, "=")) in.error(&in,"not a facility file"); |
2770 | token = getQuotedString(&in); |
2771 | if(strcmp(token, "1.0")) in.error(&in,"not a facility file"); |
2772 | token = getName(&in); |
2773 | if(strcmp(token, "?")) in.error(&in,"not a facility file"); |
2774 | token = getToken(&in); |
2775 | if(strcmp(token, ">")) in.error(&in,"not a facility file"); |
92d82357 |
2776 | |
f389e596 |
2777 | token = getName(&in); |
2778 | if(strcmp(token, "<")) in.error(&in,"not a facility file"); |
2779 | token = getName(&in); |
92d82357 |
2780 | if(strcmp("facility",token) == 0) { |
2781 | fac = malloc(sizeof(facility_t)); |
2782 | fac->name = NULL; |
2783 | fac->description = NULL; |
2784 | sequence_init(&(fac->events)); |
2785 | table_init(&(fac->named_types)); |
2786 | sequence_init(&(fac->unnamed_types)); |
2787 | |
2788 | parseFacility(&in, fac); |
2789 | |
2790 | //check if any namedType is not defined |
2791 | checkNamedTypesImplemented(&fac->named_types); |
2792 | |
2e415130 |
2793 | generateChecksum(fac->name, &fac->checksum, &fac->events); |
a67cd958 |
2794 | |
92d82357 |
2795 | generated = TRUE; |
2796 | } |
2797 | else { |
2798 | printf("facility token was expected in file %s\n", in.name); |
2799 | ret = 1; |
2800 | goto parse_error; |
2801 | } |
2802 | } |
2803 | |
2804 | parse_error: |
2805 | fclose(in.fp); |
2806 | open_error: |
2807 | |
2808 | if(!generated) { |
2809 | printf("Cannot find facility %s\n", pathname); |
2810 | fac = NULL; |
2811 | } |
2812 | |
2813 | return fac; |
2814 | } |
2815 | |
2816 | /* Close the facility */ |
2817 | void ltt_facility_close(facility_t *fac) |
2818 | { |
2819 | free(fac->name); |
2820 | free(fac->capname); |
2821 | free(fac->description); |
2822 | freeEvents(&fac->events); |
2823 | sequence_dispose(&fac->events); |
2824 | freeNamedType(&fac->named_types); |
2825 | table_dispose(&fac->named_types); |
2826 | freeTypes(&fac->unnamed_types); |
2827 | sequence_dispose(&fac->unnamed_types); |
2828 | free(fac); |
2829 | } |
2830 | |
2831 | |
2832 | /* Show help */ |
2833 | void show_help(int argc, char ** argv) |
2834 | { |
2835 | printf("Genevent help : \n"); |
2836 | printf("\n"); |
2837 | printf("Use %s name.xml\n", argv[0]); |
2838 | printf("to create :\n"); |
2839 | printf("ltt-facility-name.h\n"); |
2840 | printf("ltt-facility-id-name.h\n"); |
2841 | printf("ltt-facility-loader-name.h\n"); |
2842 | printf("ltt-facility-loader-name.c\n"); |
2843 | printf("In the current directory.\n"); |
2844 | printf("\n"); |
2845 | } |
2846 | |
2847 | /* Parse program arguments */ |
2848 | /* Return values : |
2849 | * 0 : continue program |
2850 | * -1 : stop program, return 0 |
2851 | * > 0 : stop program, return value as exit. |
2852 | */ |
2853 | int check_args(int argc, char **argv) |
2854 | { |
2855 | if(argc < 2) { |
2856 | printf("Not enough arguments\n"); |
2857 | show_help(argc, argv); |
2858 | return EINVAL; |
2859 | } |
2860 | |
2861 | if(strcmp(argv[1], "-h") == 0) { |
2862 | show_help(argc, argv); |
2863 | return -1; |
2864 | } |
2865 | |
2866 | return 0; |
2867 | } |
2868 | |
2869 | int main(int argc, char **argv) |
2870 | { |
2871 | int err = 0; |
2872 | facility_t *fac; |
2873 | |
2874 | err = check_args(argc, argv); |
2875 | if(err > 0) return err; |
2876 | else if(err < 0) return 0; |
2877 | |
2878 | /* open the facility */ |
2879 | fac = ltt_facility_open(argv[1]); |
2880 | if(fac == NULL) { |
2881 | printf("Error opening file %s for reading : %s\n", |
2882 | argv[1], strerror(errno)); |
2883 | return errno; |
2884 | } |
2885 | |
2886 | /* generate the output C files */ |
2887 | |
2888 | |
2d2d14a7 |
2889 | /* ltt-facility-name.h : main logging header. |
2890 | * log_header */ |
2891 | err = print_log_header(fac); |
2892 | if(err) return err; |
92d82357 |
2893 | |
2d2d14a7 |
2894 | /* ltt-facility-id-name.h : facility id. |
2895 | * log_id_header */ |
2896 | err = print_id_header(fac); |
2897 | if(err) return err; |
92d82357 |
2898 | |
2d2d14a7 |
2899 | /* ltt-facility-loader-name.h : facility specific loader info. |
2900 | * loader_header */ |
bd7b8ca6 |
2901 | if(!fac->user) |
2902 | err = print_loader_header(fac); |
2903 | else |
2904 | err = print_loader_header_user(fac); |
2d2d14a7 |
2905 | if(err) return err; |
2906 | |
2907 | /* ltt-facility-loader-name.c : generic faciilty loader |
2908 | * loader_c */ |
bd7b8ca6 |
2909 | if(!fac->user) |
2910 | err = print_loader_c(fac); |
2911 | else |
2912 | err = print_loader_c_user(fac); |
2d2d14a7 |
2913 | if(err) return err; |
92d82357 |
2914 | |
2915 | /* close the facility */ |
2916 | ltt_facility_close(fac); |
2917 | |
2918 | return 0; |
2919 | } |
2920 | |
2921 | |