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: |
154 | fprintf(fd, "void *"); |
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: |
172 | fprintf(fd, "char *"); |
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)]); |
227 | fprintf(fd, " %s", field_name); |
228 | break; |
229 | case UINT_FIXED: |
230 | fprintf(fd, "%s", uintOutputTypes[getSizeindex(td->size)]); |
231 | fprintf(fd, " %s", field_name); |
232 | break; |
233 | case CHAR: |
234 | fprintf(fd, "signed char"); |
235 | fprintf(fd, " %s", field_name); |
236 | break; |
237 | case UCHAR: |
238 | fprintf(fd, "unsigned char"); |
239 | fprintf(fd, " %s", field_name); |
240 | break; |
241 | case SHORT: |
242 | fprintf(fd, "short"); |
243 | fprintf(fd, " %s", field_name); |
244 | break; |
245 | case USHORT: |
246 | fprintf(fd, "unsigned short"); |
247 | fprintf(fd, " %s", field_name); |
248 | break; |
249 | case INT: |
250 | fprintf(fd, "int"); |
251 | fprintf(fd, " %s", field_name); |
252 | break; |
253 | case UINT: |
254 | fprintf(fd, "unsigned int"); |
255 | fprintf(fd, " %s", field_name); |
256 | break; |
257 | case FLOAT: |
258 | fprintf(fd, "%s", floatOutputTypes[getSizeindex(td->size)]); |
259 | fprintf(fd, " %s", field_name); |
260 | break; |
261 | case POINTER: |
262 | fprintf(fd, "void *"); |
263 | fprintf(fd, " %s", field_name); |
264 | break; |
265 | case LONG: |
266 | fprintf(fd, "long"); |
267 | fprintf(fd, " %s", field_name); |
268 | break; |
269 | case ULONG: |
270 | fprintf(fd, "unsigned long"); |
271 | fprintf(fd, " %s", field_name); |
272 | break; |
273 | case SIZE_T: |
274 | fprintf(fd, "size_t"); |
275 | fprintf(fd, " %s", field_name); |
276 | break; |
277 | case SSIZE_T: |
278 | fprintf(fd, "ssize_t"); |
279 | fprintf(fd, " %s", field_name); |
280 | break; |
281 | case OFF_T: |
282 | fprintf(fd, "off_t"); |
283 | fprintf(fd, " %s", field_name); |
284 | break; |
285 | case STRING: |
286 | fprintf(fd, "char *"); |
287 | fprintf(fd, " %s", field_name); |
288 | break; |
289 | case ENUM: |
290 | fprintf(fd, "enum lttng_%s", basename); |
291 | fprintf(fd, " %s", field_name); |
292 | break; |
293 | case ARRAY: |
294 | fprintf(fd, "lttng_array_%s", basename); |
295 | fprintf(fd, " %s", field_name); |
296 | break; |
297 | case SEQUENCE: |
298 | fprintf(fd, "lttng_sequence_%s *", basename); |
299 | fprintf(fd, " %s", field_name); |
300 | break; |
301 | case STRUCT: |
302 | fprintf(fd, "struct lttng_%s *", basename); |
303 | fprintf(fd, " %s", field_name); |
304 | break; |
305 | case UNION: |
306 | fprintf(fd, "union lttng_%s *", basename); |
307 | fprintf(fd, " %s", field_name); |
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 | |
7b175edc |
389 | strncpy(basename, nest_name, PATH_MAX); |
2d2d14a7 |
390 | basename_len = strlen(basename); |
391 | |
392 | /* For a named type, we use the type_name directly */ |
393 | if(td->type_name != NULL) { |
394 | strncpy(basename, td->type_name, PATH_MAX); |
395 | basename_len = strlen(basename); |
396 | } else { |
7b175edc |
397 | /* For a unnamed type, there must be a field name, except for |
398 | * the array. */ |
399 | if((basename_len != 0) |
400 | && (basename[basename_len-1] != '_' |
401 | && (field_name[0] != '\0'))) { |
2d2d14a7 |
402 | strncat(basename, "_", PATH_MAX - basename_len); |
403 | basename_len = strlen(basename); |
404 | } |
405 | strncat(basename, field_name, PATH_MAX - basename_len); |
2d2d14a7 |
406 | } |
407 | |
408 | switch(td->type) { |
409 | case ENUM: |
410 | fprintf(fd, "enum lttng_%s", basename); |
411 | fprintf(fd, " {\n"); |
412 | for(unsigned int i=0;i<td->labels.position;i++){ |
413 | print_tabs(1, fd); |
414 | fprintf(fd, "LTTNG_%s", ((char*)(td->labels.array[i]))); |
415 | fprintf(fd, ",\n"); |
416 | } |
417 | fprintf(fd, "};\n"); |
418 | fprintf(fd, "\n"); |
419 | break; |
420 | |
421 | case ARRAY: |
7b175edc |
422 | dprintf("%s\n", basename); |
2d2d14a7 |
423 | assert(td->size >= 0); |
a67cd958 |
424 | if(((field_t*)td->fields.array[0])->type->type_name == NULL) { |
2d2d14a7 |
425 | /* Not a named nested type : we must print its declaration first */ |
a67cd958 |
426 | if(print_type_declaration(((field_t*)td->fields.array[0])->type, |
2d2d14a7 |
427 | fd, 0, basename, "")) return 1; |
428 | } |
2e415130 |
429 | fprintf(fd, "#define LTTNG_ARRAY_SIZE_%s %zu\n", basename, |
2d2d14a7 |
430 | td->size); |
7e97b039 |
431 | fprintf(fd, "typedef "); |
a67cd958 |
432 | if(print_type(((field_t*)td->fields.array[0])->type, |
433 | fd, tabs, basename, "")) return 1; |
2d2d14a7 |
434 | fprintf(fd, " lttng_array_%s[LTTNG_ARRAY_SIZE_%s];\n", basename, |
435 | basename); |
436 | fprintf(fd, "\n"); |
437 | break; |
438 | case SEQUENCE: |
a67cd958 |
439 | /* We assume that the sequence length type does not need to be declared. |
440 | */ |
441 | if(((field_t*)td->fields.array[1])->type->type_name == NULL) { |
2d2d14a7 |
442 | /* Not a named nested type : we must print its declaration first */ |
a67cd958 |
443 | if(print_type_declaration(((field_t*)td->fields.array[1])->type, |
2d2d14a7 |
444 | fd, 0, basename, "")) return 1; |
445 | } |
446 | fprintf(fd, "typedef struct lttng_sequence_%s lttng_sequence_%s;\n", |
447 | basename, |
448 | basename); |
449 | fprintf(fd, "struct lttng_sequence_%s", basename); |
450 | fprintf(fd, " {\n"); |
451 | print_tabs(1, fd); |
a3e6ce64 |
452 | if(print_type(((field_t*)td->fields.array[0])->type, |
453 | fd, tabs, basename, "")) return 1; |
40c18b13 |
454 | fprintf(fd, " len;\n"); |
2d2d14a7 |
455 | print_tabs(1, fd); |
a67cd958 |
456 | if(print_type(((field_t*)td->fields.array[1])->type, |
457 | fd, tabs, basename, "")) return 1; |
2d2d14a7 |
458 | fprintf(fd, " *array;\n"); |
d428224c |
459 | fprintf(fd, "};\n"); /* We do not LTT_ALIGN, because we never copy |
460 | it to the buffer directly. */ |
2d2d14a7 |
461 | fprintf(fd, "\n"); |
462 | break; |
463 | |
464 | case STRUCT: |
465 | for(unsigned int i=0;i<td->fields.position;i++){ |
466 | field_t *field = (field_t*)(td->fields.array[i]); |
467 | type_descriptor_t *type = field->type; |
468 | if(type->type_name == NULL) { |
469 | /* Not a named nested type : we must print its declaration first */ |
470 | if(print_type_declaration(type, |
471 | fd, 0, basename, field->name)) return 1; |
472 | } |
473 | } |
474 | fprintf(fd, "struct lttng_%s", basename); |
475 | fprintf(fd, " {\n"); |
476 | for(unsigned int i=0;i<td->fields.position;i++){ |
477 | field_t *field = (field_t*)(td->fields.array[i]); |
478 | type_descriptor_t *type = field->type; |
479 | print_tabs(1, fd); |
47299663 |
480 | if(print_type(type, fd, tabs, basename, field->name)) return 1; |
2d2d14a7 |
481 | fprintf(fd, " "); |
482 | fprintf(fd, "%s", field->name); |
483 | fprintf(fd, ";\n"); |
484 | } |
d428224c |
485 | fprintf(fd, "} LTT_ALIGN;\n"); |
2d2d14a7 |
486 | fprintf(fd, "\n"); |
487 | break; |
488 | case UNION: |
2d2d14a7 |
489 | for(unsigned int i=0;i<td->fields.position;i++){ |
490 | field_t *field = (field_t*)(td->fields.array[i]); |
491 | type_descriptor_t *type = field->type; |
492 | if(type->type_name == NULL) { |
493 | /* Not a named nested type : we must print its declaration first */ |
47299663 |
494 | if(print_type_declaration(type, |
495 | fd, 0, basename, field->name)) return 1; |
2d2d14a7 |
496 | } |
497 | } |
498 | fprintf(fd, "union lttng_%s", basename); |
499 | fprintf(fd, " {\n"); |
500 | for(unsigned i=0;i<td->fields.position;i++){ |
501 | field_t *field = (field_t*)(td->fields.array[i]); |
502 | type_descriptor_t *type = field->type; |
503 | print_tabs(1, fd); |
47299663 |
504 | if(print_type(type, fd, tabs, basename, field->name)) return 1; |
2d2d14a7 |
505 | fprintf(fd, " "); |
506 | fprintf(fd, "%s", field->name); |
507 | fprintf(fd, ";\n"); |
508 | } |
d428224c |
509 | fprintf(fd, "} LTT_ALIGN;\n"); |
2d2d14a7 |
510 | fprintf(fd, "\n"); |
511 | break; |
512 | default: |
513 | dprintf("print_type_declaration : unknown type or nothing to declare.\n"); |
514 | break; |
515 | } |
516 | |
517 | return 0; |
518 | } |
519 | |
a67cd958 |
520 | |
a3e6ce64 |
521 | /* print type alignment. |
522 | * |
523 | * Copied from construct_types_and_fields in LTTV facility.c |
524 | * |
525 | * basename is the name which identifies the type (along with a prefix |
526 | * (possibly)). */ |
a67cd958 |
527 | |
a3e6ce64 |
528 | int print_type_alignment(type_descriptor_t * td, FILE *fd, unsigned int tabs, |
529 | char *nest_name, char *field_name) |
a67cd958 |
530 | { |
a3e6ce64 |
531 | char basename[PATH_MAX]; |
532 | unsigned int basename_len = 0; |
533 | |
534 | strncpy(basename, nest_name, PATH_MAX); |
535 | basename_len = strlen(basename); |
536 | |
537 | /* For a named type, we use the type_name directly */ |
538 | if(td->type_name != NULL) { |
539 | strncpy(basename, td->type_name, PATH_MAX); |
540 | basename_len = strlen(basename); |
a67cd958 |
541 | } else { |
a3e6ce64 |
542 | /* For a unnamed type, there must be a field name, except for |
543 | * the array. */ |
544 | if((basename_len != 0) |
545 | && (basename[basename_len-1] != '_' |
34c1d1b5 |
546 | && field_name != NULL |
a3e6ce64 |
547 | && (field_name[0] != '\0'))) { |
548 | strncat(basename, "_", PATH_MAX - basename_len); |
549 | basename_len = strlen(basename); |
a67cd958 |
550 | } |
34c1d1b5 |
551 | if(field_name != NULL) |
552 | strncat(basename, field_name, PATH_MAX - basename_len); |
a67cd958 |
553 | } |
a3e6ce64 |
554 | |
555 | switch(td->type) { |
a67cd958 |
556 | case INT_FIXED: |
557 | case UINT_FIXED: |
a67cd958 |
558 | case CHAR: |
559 | case UCHAR: |
560 | case SHORT: |
561 | case USHORT: |
a3e6ce64 |
562 | case INT: |
563 | case UINT: |
564 | case FLOAT: |
565 | case POINTER: |
566 | case LONG: |
567 | case ULONG: |
568 | case SIZE_T: |
569 | case SSIZE_T: |
570 | case OFF_T: |
571 | case ENUM: |
572 | fprintf(fd, "sizeof("); |
2e415130 |
573 | if(print_type(td, fd, 0, basename, "")) return 1; |
a3e6ce64 |
574 | fprintf(fd, ")"); |
575 | break; |
576 | case STRING: |
577 | fprintf(fd, "sizeof(char)"); |
578 | break; |
579 | case SEQUENCE: |
580 | fprintf(fd, "lttng_get_alignment_sequence_%s(&obj->%s)", basename, |
581 | field_name); |
582 | break; |
583 | case STRUCT: |
584 | fprintf(fd, "lttng_get_alignment_struct_%s(&obj->%s)", basename, |
585 | field_name); |
586 | break; |
587 | case UNION: |
588 | fprintf(fd, "lttng_get_alignment_union_%s(&obj->%s)", basename, |
589 | field_name); |
590 | break; |
591 | case ARRAY: |
592 | fprintf(fd, "lttng_get_alignment_array_%s(obj->%s)", basename, |
593 | field_name); |
594 | break; |
2e415130 |
595 | case NONE: |
596 | printf("error : type NONE unexpected\n"); |
597 | return 1; |
598 | break; |
a3e6ce64 |
599 | } |
a67cd958 |
600 | |
a3e6ce64 |
601 | return 0; |
a67cd958 |
602 | } |
603 | |
a3e6ce64 |
604 | /* print type write. |
605 | * |
606 | * Copied from construct_types_and_fields in LTTV facility.c |
607 | * |
608 | * basename is the name which identifies the type (along with a prefix |
609 | * (possibly)). */ |
a67cd958 |
610 | |
a3e6ce64 |
611 | int print_type_write(type_descriptor_t * td, FILE *fd, unsigned int tabs, |
612 | char *nest_name, char *field_name) |
a67cd958 |
613 | { |
a67cd958 |
614 | char basename[PATH_MAX]; |
615 | unsigned int basename_len = 0; |
a3e6ce64 |
616 | |
617 | strncpy(basename, nest_name, PATH_MAX); |
a67cd958 |
618 | basename_len = strlen(basename); |
619 | |
620 | /* For a named type, we use the type_name directly */ |
621 | if(td->type_name != NULL) { |
622 | strncpy(basename, td->type_name, PATH_MAX); |
623 | basename_len = strlen(basename); |
624 | } else { |
a3e6ce64 |
625 | /* For a unnamed type, there must be a field name, except for |
626 | * the array. */ |
a67cd958 |
627 | if((basename_len != 0) |
a3e6ce64 |
628 | && (basename[basename_len-1] != '_' |
629 | && (field_name[0] != '\0'))) { |
a67cd958 |
630 | strncat(basename, "_", PATH_MAX - basename_len); |
631 | basename_len = strlen(basename); |
632 | } |
633 | strncat(basename, field_name, PATH_MAX - basename_len); |
634 | } |
635 | |
a67cd958 |
636 | switch(td->type) { |
637 | case INT_FIXED: |
638 | case UINT_FIXED: |
639 | case CHAR: |
640 | case UCHAR: |
641 | case SHORT: |
642 | case USHORT: |
643 | case INT: |
644 | case UINT: |
645 | case FLOAT: |
646 | case POINTER: |
647 | case LONG: |
648 | case ULONG: |
649 | case SIZE_T: |
650 | case SSIZE_T: |
651 | case OFF_T: |
652 | case ENUM: |
a67cd958 |
653 | print_tabs(tabs, fd); |
a3e6ce64 |
654 | fprintf(fd, "size = "); |
655 | fprintf(fd, "sizeof("); |
2e415130 |
656 | if(print_type(td, fd, 0, basename, "")) return 1; |
a67cd958 |
657 | fprintf(fd, ");\n"); |
a67cd958 |
658 | print_tabs(tabs, fd); |
30d72138 |
659 | fprintf(fd, "size += ltt_align(*to+*len, size) + size;\n"); |
a3e6ce64 |
660 | print_tabs(tabs, fd); |
661 | fprintf(fd, "*len += size;"); |
a67cd958 |
662 | break; |
663 | case STRING: |
a67cd958 |
664 | print_tabs(tabs, fd); |
2e415130 |
665 | fprintf(fd, "lttng_write_string_%s(buffer, to_base, to, from, len, obj->%s);\n", basename, field_name); |
a3e6ce64 |
666 | break; |
667 | case SEQUENCE: |
668 | print_tabs(tabs, fd); |
34c1d1b5 |
669 | fprintf(fd, "lttng_write_%s(buffer, to_base, to, from, len, &obj->%s)", basename, |
a3e6ce64 |
670 | field_name); |
671 | break; |
672 | case STRUCT: |
673 | print_tabs(tabs, fd); |
34c1d1b5 |
674 | fprintf(fd, "lttng_write_struct_%s(buffer, to_base, to, from, len, &obj->%s)", basename, |
a3e6ce64 |
675 | field_name); |
676 | break; |
677 | case UNION: |
678 | print_tabs(tabs, fd); |
34c1d1b5 |
679 | fprintf(fd, "lttng_write_union_%s(buffer, to_base, to, from, len, &obj->%s)", basename, |
a3e6ce64 |
680 | field_name); |
a67cd958 |
681 | break; |
682 | case ARRAY: |
a67cd958 |
683 | print_tabs(tabs, fd); |
a3e6ce64 |
684 | fprintf(fd, "lttng_write_array_%s(buffer, to_base, to, from, len, obj->%s)", basename, |
685 | field_name); |
686 | break; |
2e415130 |
687 | case NONE: |
688 | printf("Error : type NONE unexpected\n"); |
689 | return 1; |
690 | break; |
a3e6ce64 |
691 | } |
a67cd958 |
692 | |
a3e6ce64 |
693 | return 0; |
694 | } |
a67cd958 |
695 | |
a67cd958 |
696 | |
a67cd958 |
697 | |
a3e6ce64 |
698 | /* print type alignment function. |
699 | * |
700 | * Copied from construct_types_and_fields in LTTV facility.c |
701 | * |
702 | * basename is the name which identifies the type (along with a prefix |
703 | * (possibly)). */ |
704 | |
705 | int print_type_alignment_fct(type_descriptor_t * td, FILE *fd, |
706 | unsigned int tabs, |
707 | char *nest_name, char *field_name) |
708 | { |
709 | char basename[PATH_MAX]; |
710 | unsigned int basename_len = 0; |
711 | |
712 | strncpy(basename, nest_name, PATH_MAX); |
713 | basename_len = strlen(basename); |
714 | |
715 | /* For a named type, we use the type_name directly */ |
716 | if(td->type_name != NULL) { |
717 | strncpy(basename, td->type_name, PATH_MAX); |
718 | basename_len = strlen(basename); |
719 | } else { |
720 | /* For a unnamed type, there must be a field name, except for |
721 | * the array. */ |
722 | if((basename_len != 0) |
723 | && (basename[basename_len-1] != '_' |
724 | && (field_name[0] != '\0'))) { |
725 | strncat(basename, "_", PATH_MAX - basename_len); |
726 | basename_len = strlen(basename); |
727 | } |
728 | strncat(basename, field_name, PATH_MAX - basename_len); |
729 | } |
730 | |
731 | switch(td->type) { |
732 | case SEQUENCE: |
733 | /* Function header */ |
734 | fprintf(fd, "static inline size_t lttng_get_alignment_sequence_%s(\n", |
735 | basename); |
736 | print_tabs(2, fd); |
2e415130 |
737 | if(print_type(td, fd, 0, basename, "")) return 1; |
a3e6ce64 |
738 | fprintf(fd, " *obj)\n"); |
739 | fprintf(fd, "{\n"); |
740 | print_tabs(1, fd); |
741 | fprintf(fd, "size_t align=0, localign;"); |
742 | fprintf(fd, "\n"); |
743 | print_tabs(1, fd); |
744 | fprintf(fd, "localign = "); |
745 | if(print_type_alignment(((field_t*)td->fields.array[0])->type, |
2e415130 |
746 | fd, 0, basename, ((field_t*)td->fields.array[0])->name)) return 1; |
a3e6ce64 |
747 | fprintf(fd, ";\n"); |
748 | print_tabs(1, fd); |
749 | fprintf(fd, "align = max(align, localign);\n"); |
750 | fprintf(fd, "\n"); |
751 | print_tabs(1, fd); |
752 | fprintf(fd, "localign = "); |
753 | if(print_type_alignment(((field_t*)td->fields.array[1])->type, |
2e415130 |
754 | fd, 0, basename, ((field_t*)td->fields.array[1])->name)) return 1; |
a3e6ce64 |
755 | fprintf(fd, ";\n"); |
756 | print_tabs(1, fd); |
757 | fprintf(fd, "align = max(align, localign);\n"); |
758 | fprintf(fd, "\n"); |
759 | print_tabs(1, fd); |
760 | fprintf(fd, "return align;\n"); |
761 | break; |
762 | case STRUCT: |
763 | /* Function header */ |
764 | fprintf(fd, "static inline size_t lttng_get_alignment_struct_%s(\n", |
765 | basename); |
766 | print_tabs(2, fd); |
2e415130 |
767 | if(print_type(td, fd, 0, basename, "")) return 1; |
a3e6ce64 |
768 | fprintf(fd, " *obj)\n"); |
769 | fprintf(fd, "{\n"); |
770 | print_tabs(1, fd); |
771 | fprintf(fd, "size_t align=0, localign;"); |
772 | fprintf(fd, "\n"); |
773 | for(unsigned int i=0;i<td->fields.position;i++){ |
774 | field_t *field = (field_t*)(td->fields.array[i]); |
775 | type_descriptor_t *type = field->type; |
776 | print_tabs(1, fd); |
777 | fprintf(fd, "localign = "); |
778 | if(print_type_alignment(type, fd, 0, basename, field->name)) return 1; |
779 | fprintf(fd, ";\n"); |
780 | print_tabs(1, fd); |
781 | fprintf(fd, "align = max(align, localign);\n"); |
782 | fprintf(fd, "\n"); |
783 | } |
784 | print_tabs(1, fd); |
785 | fprintf(fd, "return align;\n"); |
786 | |
a67cd958 |
787 | break; |
a3e6ce64 |
788 | case UNION: |
789 | /* Function header */ |
790 | fprintf(fd, "static inline size_t lttng_get_alignment_union_%s(\n", |
791 | basename); |
792 | print_tabs(2, fd); |
2e415130 |
793 | if(print_type(td, fd, 0, basename, "")) return 1; |
a3e6ce64 |
794 | fprintf(fd, " *obj)\n"); |
795 | fprintf(fd, "{\n"); |
796 | print_tabs(1, fd); |
797 | fprintf(fd, "size_t align=0, localign;"); |
798 | fprintf(fd, "\n"); |
799 | for(unsigned int i=0;i<td->fields.position;i++){ |
800 | field_t *field = (field_t*)(td->fields.array[i]); |
801 | type_descriptor_t *type = field->type; |
802 | print_tabs(1, fd); |
803 | fprintf(fd, "localign = "); |
804 | if(print_type_alignment(type, fd, 0, basename, field->name)) return 1; |
805 | fprintf(fd, ";\n"); |
806 | print_tabs(1, fd); |
807 | fprintf(fd, "align = max(align, localign);\n"); |
808 | fprintf(fd, "\n"); |
809 | } |
810 | print_tabs(1, fd); |
811 | fprintf(fd, "return align;\n"); |
812 | |
813 | break; |
814 | case ARRAY: |
815 | /* Function header */ |
816 | fprintf(fd, "static inline size_t lttng_get_alignment_array_%s(\n", |
817 | basename); |
818 | print_tabs(2, fd); |
2e415130 |
819 | if(print_type(td, fd, 0, basename, "")) return 1; |
a3e6ce64 |
820 | fprintf(fd, " obj)\n"); |
821 | fprintf(fd, "{\n"); |
822 | print_tabs(1, fd); |
823 | fprintf(fd, "return \n"); |
824 | if(print_type_alignment(((field_t*)td->fields.array[0])->type, |
2e415130 |
825 | fd, 0, basename, ((field_t*)td->fields.array[0])->name)) return 1; |
a3e6ce64 |
826 | fprintf(fd, ";\n"); |
827 | break; |
828 | default: |
829 | printf("print_type_alignment_fct : type has no alignment function.\n"); |
34c1d1b5 |
830 | return 0; |
a3e6ce64 |
831 | break; |
832 | } |
833 | |
834 | |
835 | /* Function footer */ |
836 | fprintf(fd, "}\n"); |
837 | fprintf(fd, "\n"); |
838 | |
2e415130 |
839 | return 0; |
a3e6ce64 |
840 | } |
841 | |
842 | /* print type write function. |
843 | * |
844 | * Copied from construct_types_and_fields in LTTV facility.c |
845 | * |
846 | * basename is the name which identifies the type (along with a prefix |
847 | * (possibly)). */ |
848 | |
849 | int print_type_write_fct(type_descriptor_t * td, FILE *fd, unsigned int tabs, |
850 | char *nest_name, char *field_name) |
851 | { |
852 | char basename[PATH_MAX]; |
853 | unsigned int basename_len = 0; |
854 | |
855 | strncpy(basename, nest_name, PATH_MAX); |
856 | basename_len = strlen(basename); |
857 | |
858 | /* For a named type, we use the type_name directly */ |
859 | if(td->type_name != NULL) { |
860 | strncpy(basename, td->type_name, PATH_MAX); |
861 | basename_len = strlen(basename); |
862 | } else { |
863 | /* For a unnamed type, there must be a field name, except for |
864 | * the array. */ |
865 | if((basename_len != 0) |
866 | && (basename[basename_len-1] != '_' |
867 | && (field_name[0] != '\0'))) { |
868 | strncat(basename, "_", PATH_MAX - basename_len); |
869 | basename_len = strlen(basename); |
870 | } |
871 | strncat(basename, field_name, PATH_MAX - basename_len); |
872 | } |
873 | |
34c1d1b5 |
874 | switch(td->type) { |
875 | case SEQUENCE: |
876 | case STRUCT: |
877 | case UNION: |
878 | case ARRAY: |
879 | break; |
880 | default: |
881 | printf("print_type_write_fct : type has no write function.\n"); |
882 | return 0; |
883 | break; |
884 | } |
885 | |
a3e6ce64 |
886 | /* Print header */ |
887 | switch(td->type) { |
a67cd958 |
888 | case SEQUENCE: |
34c1d1b5 |
889 | fprintf(fd, "static inline void lttng_write_sequence_%s(\n", |
a3e6ce64 |
890 | basename); |
a67cd958 |
891 | break; |
a3e6ce64 |
892 | case STRUCT: |
6e27ba88 |
893 | fprintf(fd, "static inline void lttng_write_struct_%s(\n", basename); |
a67cd958 |
894 | break; |
a3e6ce64 |
895 | case UNION: |
6e27ba88 |
896 | fprintf(fd, "static inline void lttng_write_union_%s(\n", basename); |
a3e6ce64 |
897 | break; |
898 | case ARRAY: |
6e27ba88 |
899 | fprintf(fd, "static inline void lttng_write_array_%s(\n", basename); |
a3e6ce64 |
900 | break; |
901 | default: |
902 | printf("print_type_write_fct : type has no write function.\n"); |
a67cd958 |
903 | break; |
a67cd958 |
904 | } |
905 | |
a3e6ce64 |
906 | print_tabs(2, fd); |
907 | fprintf(fd, "void *buffer,\n"); |
908 | print_tabs(2, fd); |
909 | fprintf(fd, "size_t *to_base,\n"); |
910 | print_tabs(2, fd); |
911 | fprintf(fd, "size_t *to,\n"); |
912 | print_tabs(2, fd); |
913 | fprintf(fd, "void **from,\n"); |
914 | print_tabs(2, fd); |
915 | fprintf(fd, "size_t *len,\n"); |
916 | print_tabs(2, fd); |
2e415130 |
917 | if(print_type(td, fd, 0, basename, "")) return 1; |
a3e6ce64 |
918 | |
919 | switch(td->type) { |
920 | case SEQUENCE: |
921 | fprintf(fd, " *obj)\n"); |
922 | break; |
923 | case STRUCT: |
924 | fprintf(fd, " *obj)\n"); |
925 | break; |
926 | case UNION: |
927 | fprintf(fd, " *obj)\n"); |
928 | break; |
929 | case ARRAY: |
930 | fprintf(fd, " obj)\n"); |
931 | break; |
932 | default: |
933 | printf("print_type_write_fct : type has no write function.\n"); |
934 | break; |
935 | } |
936 | |
937 | fprintf(fd, "{\n"); |
938 | print_tabs(1, fd); |
939 | fprintf(fd, "size_t align, size;\n"); |
940 | fprintf(fd, "\n"); |
941 | |
942 | switch(td->type) { |
943 | case SEQUENCE: |
944 | case STRING: |
945 | print_tabs(1, fd); |
946 | fprintf(fd, "/* Flush pending memcpy */\n"); |
947 | print_tabs(1, fd); |
948 | fprintf(fd, "if(*len != 0) {\n"); |
949 | print_tabs(2, fd); |
950 | fprintf(fd, "if(buffer != NULL)\n"); |
951 | print_tabs(3, fd); |
952 | fprintf(fd, "memcpy(buffer+*to_base+*to, *from, *len);\n"); |
953 | print_tabs(1, fd); |
954 | fprintf(fd, "}\n"); |
955 | print_tabs(1, fd); |
956 | fprintf(fd, "*to += *len;\n"); |
957 | print_tabs(1, fd); |
958 | fprintf(fd, "*len = 0;\n"); |
959 | fprintf(fd, "\n"); |
960 | break; |
961 | case STRUCT: |
962 | case UNION: |
963 | case ARRAY: |
964 | break; |
965 | default: |
966 | printf("print_type_write_fct : type has no write function.\n"); |
967 | break; |
968 | } |
969 | |
970 | print_tabs(1, fd); |
34c1d1b5 |
971 | fprintf(fd, "align = "); |
2e415130 |
972 | if(print_type_alignment(td, fd, 0, basename, field_name)) return 1; |
a3e6ce64 |
973 | fprintf(fd, ";\n"); |
974 | fprintf(fd, "\n"); |
975 | print_tabs(1, fd); |
976 | fprintf(fd, "if(*len == 0) {\n"); |
977 | print_tabs(2, fd); |
978 | fprintf(fd, "*to += ltt_align(*to, align); /* align output */\n"); |
979 | print_tabs(1, fd); |
980 | fprintf(fd, "} else {\n"); |
981 | print_tabs(2, fd); |
982 | fprintf(fd, "*len += ltt_align(*to+*len, align); /* alignment, ok to do a memcpy of it */\n"); |
983 | print_tabs(1, fd); |
984 | fprintf(fd, "}\n"); |
985 | fprintf(fd, "\n"); |
986 | |
987 | /* First, check if the type has a fixed size. If it is the case, then the size |
988 | * to write is know by the compiler : simply use a sizeof() */ |
989 | if(has_type_fixed_size(td)) { |
990 | print_tabs(1, fd); |
991 | fprintf(fd, "/* Contains only fixed size fields : use compiler sizeof() */\n"); |
992 | fprintf(fd, "\n"); |
993 | print_tabs(1, fd); |
994 | fprintf(fd, "*len += sizeof("); |
2e415130 |
995 | if(print_type(td, fd, 0, basename, field_name)) return 1; |
a3e6ce64 |
996 | fprintf(fd, ");\n"); |
997 | } else { |
998 | /* The type contains nested variable size subtypes : |
999 | * we must write field by field. */ |
1000 | print_tabs(1, fd); |
1001 | fprintf(fd, "/* Contains variable sized fields : must explode the structure */\n"); |
1002 | fprintf(fd, "\n"); |
1003 | |
1004 | switch(td->type) { |
1005 | case SEQUENCE: |
1006 | print_tabs(1, fd); |
1007 | fprintf(fd, "/* Copy members */\n"); |
1008 | print_tabs(1, fd); |
1009 | fprintf(fd, "size = sizeof(\n"); |
1010 | if(print_type_write(((field_t*)td->fields.array[0])->type, |
2e415130 |
1011 | fd, 1, basename, ((field_t*)td->fields.array[0])->name)) return 1; |
a3e6ce64 |
1012 | fprintf(fd, ");\n"); |
1013 | print_tabs(1, fd); |
1014 | fprintf(fd, "*to += ltt_align(*to, size);\n"); |
1015 | print_tabs(1, fd); |
1016 | fprintf(fd, "if(buffer != NULL)\n"); |
1017 | print_tabs(2, fd); |
1018 | fprintf(fd, "memcpy(buffer+*to_base+*to, &obj->len, size);\n"); |
1019 | print_tabs(1, fd); |
1020 | fprintf(fd, "*to += size;\n"); |
1021 | fprintf(fd, "\n"); |
1022 | |
1023 | /* Write the child : varlen child or not ? */ |
1024 | if(has_type_fixed_size(((field_t*)td->fields.array[1])->type)) { |
1025 | /* Fixed size len child : use a multiplication of its size */ |
1026 | print_tabs(1, fd); |
1027 | fprintf(fd, "size = sizeof(\n"); |
1028 | if(print_type_write(((field_t*)td->fields.array[1])->type, |
2e415130 |
1029 | fd, 1, basename, ((field_t*)td->fields.array[1])->name)) return 1; |
a3e6ce64 |
1030 | fprintf(fd, ");\n"); |
1031 | print_tabs(1, fd); |
1032 | fprintf(fd, "*to += ltt_align(*to, size);\n"); |
1033 | print_tabs(1, fd); |
1034 | fprintf(fd, "size = obj->len * size;\n"); |
1035 | print_tabs(1, fd); |
1036 | fprintf(fd, "if(buffer != NULL)\n"); |
1037 | print_tabs(2, fd); |
1038 | fprintf(fd, "memcpy(buffer+*to_base+*to, obj->array, size);\n"); |
1039 | print_tabs(1, fd); |
1040 | fprintf(fd, "*to += size;\n"); |
1041 | fprintf(fd, "\n"); |
1042 | } else { |
1043 | print_tabs(1, fd); |
1044 | fprintf(fd, "/* Variable length child : iter. */\n"); |
1045 | print_tabs(1, fd); |
1046 | fprintf(fd, "for(unsigned int i=0; i<obj->len; i++) {\n"); |
1047 | if(print_type_write(((field_t*)td->fields.array[1])->type, |
2e415130 |
1048 | fd, 2, basename, ((field_t*)td->fields.array[1])->name)) return 1; |
a3e6ce64 |
1049 | print_tabs(1, fd); |
1050 | fprintf(fd, "}\n"); |
1051 | } |
1052 | fprintf(fd, "\n"); |
1053 | print_tabs(1, fd); |
1054 | fprintf(fd, "/* Realign the *to_base on arch size, set *to to 0 */\n"); |
1055 | print_tabs(1, fd); |
1056 | fprintf(fd, "*to = ltt_align(*to, sizeof(void *));\n"); |
1057 | print_tabs(1, fd); |
1058 | fprintf(fd, "*to_base = *to_base+*to;\n"); |
1059 | print_tabs(1, fd); |
1060 | fprintf(fd, "*to = 0;\n"); |
1061 | fprintf(fd, "\n"); |
1062 | fprintf(fd, "/* Put source *from just after the C sequence */\n"); |
1063 | print_tabs(1, fd); |
1064 | fprintf(fd, "*from = obj+1;\n"); |
1065 | break; |
1066 | case STRING: |
1067 | fprintf(fd, "size = strlen(obj);\n"); |
1068 | print_tabs(1, fd); |
1069 | fprintf(fd, "if(buffer != NULL)\n"); |
1070 | print_tabs(2, fd); |
1071 | fprintf(fd, "memcpy(buffer+*to_base+*to, obj, size);\n"); |
1072 | print_tabs(1, fd); |
1073 | fprintf(fd, "*to += size;\n"); |
1074 | fprintf(fd, "\n"); |
1075 | print_tabs(1, fd); |
1076 | fprintf(fd, "/* Realign the *to_base on arch size, set *to to 0 */\n"); |
1077 | print_tabs(1, fd); |
1078 | fprintf(fd, "*to = ltt_align(*to, sizeof(void *));\n"); |
1079 | print_tabs(1, fd); |
1080 | fprintf(fd, "*to_base = *to_base+*to;\n"); |
1081 | print_tabs(1, fd); |
1082 | fprintf(fd, "*to = 0;\n"); |
1083 | fprintf(fd, "\n"); |
1084 | fprintf(fd, "/* Put source *from just after the C sequence */\n"); |
1085 | print_tabs(1, fd); |
1086 | fprintf(fd, "*from = obj+1;\n"); |
1087 | break; |
1088 | case STRUCT: |
1089 | for(unsigned int i=0;i<td->fields.position;i++){ |
1090 | field_t *field = (field_t*)(td->fields.array[i]); |
1091 | type_descriptor_t *type = field->type; |
1092 | if(print_type_write(type, |
1093 | fd, 1, basename, field->name)) return 1; |
1094 | fprintf(fd, "\n"); |
1095 | } |
1096 | break; |
1097 | case UNION: |
1098 | printf("ERROR : A union CANNOT contain a variable size child.\n"); |
1099 | return 1; |
1100 | break; |
1101 | case ARRAY: |
1102 | /* Write the child : varlen child or not ? */ |
1103 | if(has_type_fixed_size(((field_t*)td->fields.array[0])->type)) { |
1104 | /* Error : if an array has a variable size, then its child must also |
1105 | * have a variable size. */ |
1106 | assert(0); |
1107 | } else { |
1108 | print_tabs(1, fd); |
1109 | fprintf(fd, "/* Variable length child : iter. */\n"); |
1110 | print_tabs(1, fd); |
1111 | fprintf(fd, "for(unsigned int i=0; i<LTTNG_ARRAY_SIZE_%s; i++) {\n", basename); |
1112 | if(print_type_write(((field_t*)td->fields.array[1])->type, |
2e415130 |
1113 | fd, 2, basename, ((field_t*)td->fields.array[1])->name)) return 1; |
a3e6ce64 |
1114 | print_tabs(1, fd); |
1115 | fprintf(fd, "}\n"); |
1116 | } |
1117 | break; |
1118 | default: |
1119 | printf("print_type_write_fct : type has no write function.\n"); |
1120 | break; |
1121 | } |
1122 | |
1123 | |
1124 | } |
1125 | |
1126 | |
1127 | /* Function footer */ |
1128 | fprintf(fd, "}\n"); |
1129 | fprintf(fd, "\n"); |
a67cd958 |
1130 | return 0; |
1131 | } |
1132 | |
1133 | |
1134 | |
47299663 |
1135 | /* Print the logging function of an event. This is the core of genevent */ |
a3e6ce64 |
1136 | int print_event_logging_function(char *basename, facility_t *fac, |
1137 | event_t *event, FILE *fd) |
47299663 |
1138 | { |
1139 | fprintf(fd, "static inline void trace_%s(\n", basename); |
1140 | for(unsigned int j = 0; j < event->fields.position; j++) { |
1141 | /* For each field, print the function argument */ |
1142 | field_t *f = (field_t*)event->fields.array[j]; |
1143 | type_descriptor_t *t = f->type; |
7e97b039 |
1144 | if(print_arg(t, fd, 2, basename, f->name)) return 1; |
47299663 |
1145 | if(j < event->fields.position-1) { |
1146 | fprintf(fd, ","); |
1147 | fprintf(fd, "\n"); |
1148 | } |
1149 | } |
1150 | if(event->fields.position == 0) { |
1151 | print_tabs(2, fd); |
1152 | fprintf(fd, "void"); |
1153 | } |
1154 | fprintf(fd,")\n"); |
1155 | fprintf(fd, "#ifndef CONFIG_LTT\n"); |
1156 | fprintf(fd, "{\n"); |
1157 | fprintf(fd, "}\n"); |
1158 | fprintf(fd,"#else\n"); |
1159 | fprintf(fd, "{\n"); |
7e97b039 |
1160 | /* Print the function variables */ |
a67cd958 |
1161 | print_tabs(1, fd); |
a3e6ce64 |
1162 | fprintf(fd, "unsigned int index;\n"); |
1163 | print_tabs(1, fd); |
1164 | fprintf(fd, "struct ltt_channel_struct *channel;\n"); |
1165 | print_tabs(1, fd); |
1166 | fprintf(fd, "struct ltt_trace_struct *trace;\n"); |
1167 | print_tabs(1, fd); |
1168 | fprintf(fd, "struct rchan_buf *relayfs_buf;\n"); |
1169 | print_tabs(1, fd); |
1170 | fprintf(fd, "void *buffer = NULL;\n"); |
1171 | print_tabs(1, fd); |
1172 | fprintf(fd, "size_t to_base = 0; /* The buffer is allocated on arch_size alignment */\n"); |
1173 | print_tabs(1, fd); |
1174 | fprintf(fd, "size_t to = 0;\n"); |
1175 | print_tabs(1, fd); |
1176 | fprintf(fd, "void *from;"); |
1177 | print_tabs(1, fd); |
1178 | fprintf(fd, "size_t len = 0;\n"); |
30d72138 |
1179 | print_tabs(1, fd); |
6e27ba88 |
1180 | fprintf(fd, "size_t reserve_size;\n"); |
1181 | print_tabs(1, fd); |
a3e6ce64 |
1182 | fprintf(fd, "size_t slot_size;\n"); |
30d72138 |
1183 | print_tabs(1, fd); |
a3e6ce64 |
1184 | fprintf(fd, "cycles_t tsc;\n"); |
30d72138 |
1185 | print_tabs(1, fd); |
a3e6ce64 |
1186 | fprintf(fd, "size_t before_hdr_pad, size_t after_hdr_pad;\n"); |
1187 | fprintf(fd, "\n"); |
7e97b039 |
1188 | |
a3e6ce64 |
1189 | print_tabs(1, fd); |
1190 | fprintf(fd, "if(ltt_traces.num_active_traces == 0) return;\n"); |
1191 | fprintf(fd, "\n"); |
1192 | |
a67cd958 |
1193 | /* Calculate event variable len + event data alignment offset. |
7e97b039 |
1194 | * Assume that the padding for alignment starts at a void* |
a67cd958 |
1195 | * address. |
1196 | * This excludes the header size and alignment. */ |
1197 | |
a3e6ce64 |
1198 | print_tabs(1, fd); |
1199 | fprintf(fd, "/* For each field, calculate the field size. */\n"); |
1200 | print_tabs(1, fd); |
1201 | fprintf(fd, "/* size = to_base + to + len */\n"); |
1202 | print_tabs(1, fd); |
30d72138 |
1203 | fprintf(fd, "/* Assume that the padding for alignment starts at a\n"); |
a3e6ce64 |
1204 | print_tabs(1, fd); |
30d72138 |
1205 | fprintf(fd, " * sizeof(void *) address. */\n"); |
a3e6ce64 |
1206 | fprintf(fd, "\n"); |
a67cd958 |
1207 | |
a3e6ce64 |
1208 | for(unsigned int i=0;i<event->fields.position;i++){ |
2e415130 |
1209 | field_t *field = (field_t*)(event->fields.array[i]); |
a3e6ce64 |
1210 | type_descriptor_t *type = field->type; |
1211 | if(print_type_write(type, |
1212 | fd, 1, basename, field->name)) return 1; |
1213 | fprintf(fd, "\n"); |
a67cd958 |
1214 | } |
6e27ba88 |
1215 | print_tabs(1, fd); |
1216 | fprintf(fd, "reserve_size = to_base + to + len;\n"); |
1217 | print_tabs(1, fd); |
1218 | fprintf(fd, "to_base = to = len = 0;\n"); |
30d72138 |
1219 | fprintf(fd, "\n"); |
47299663 |
1220 | |
7e97b039 |
1221 | /* Take locks : make sure the trace does not vanish while we write on |
1222 | * it. A simple preemption disabling is enough (using rcu traces). */ |
a3e6ce64 |
1223 | print_tabs(1, fd); |
1224 | fprintf(fd, "preempt_disable();\n"); |
1225 | print_tabs(1, fd); |
1226 | fprintf(fd, "ltt_nesting[smp_processor_id()]++;\n"); |
1227 | |
1228 | /* Get facility index */ |
1229 | |
1230 | if(event->per_tracefile) { |
1231 | print_tabs(1, fd); |
1232 | fprintf(fd, "index = tracefile_index;\n"); |
1233 | } else { |
1234 | print_tabs(1, fd); |
1235 | fprintf(fd, |
1236 | "index = ltt_get_index_from_facility(ltt_facility_%s_%X,\n"\ |
30d72138 |
1237 | "\t\t\t\t\t\tevent_%s);\n", |
a3e6ce64 |
1238 | fac->name, fac->checksum, event->name); |
1239 | } |
1240 | fprintf(fd,"\n"); |
1241 | |
7e97b039 |
1242 | |
1243 | /* For each trace */ |
a3e6ce64 |
1244 | print_tabs(1, fd); |
1245 | fprintf(fd, "list_for_each_entry_rcu(trace, <t_traces.head, list) {\n"); |
1246 | print_tabs(2, fd); |
1247 | fprintf(fd, "if(!trace->active) continue;\n\n"); |
1248 | |
1249 | if(event->per_trace) { |
1250 | print_tabs(2, fd); |
1251 | fprintf(fd, "if(dest_trace != trace) continue;\n\n"); |
1252 | } |
1253 | |
1254 | print_tabs(2, fd); |
2e415130 |
1255 | fprintf(fd, "channel = ltt_get_channel_from_index(trace, index);\n"); |
a3e6ce64 |
1256 | print_tabs(2, fd); |
1257 | fprintf(fd, "relayfs_buf = channel->rchan->buf[channel->rchan->buf->cpu];\n"); |
1258 | fprintf(fd, "\n"); |
1259 | |
7e97b039 |
1260 | |
1261 | /* Relay reserve */ |
a3e6ce64 |
1262 | /* If error, increment event lost counter (done by ltt_reserve_slot) and |
1263 | * return */ |
1264 | print_tabs(2, fd); |
1265 | fprintf(fd, "slot_size = 0;\n"); |
1266 | print_tabs(2, fd); |
30d72138 |
1267 | fprintf(fd, "buffer = ltt_reserve_slot(trace, relayfs_buf,\n"); |
1268 | print_tabs(3, fd); |
6e27ba88 |
1269 | fprintf(fd, "reserve_size, &slot_size, &tsc,\n"); |
30d72138 |
1270 | print_tabs(3, fd); |
1271 | fprintf(fd, "&before_hdr_pad, &after_hdr_pad);\n"); |
a3e6ce64 |
1272 | /* If error, return */ |
1273 | print_tabs(2, fd); |
1274 | fprintf(fd, "if(!buffer) return;\n\n"); |
7e97b039 |
1275 | |
a3e6ce64 |
1276 | /* write data : assume stack alignment is the same as struct alignment. */ |
1277 | |
1278 | for(unsigned int i=0;i<event->fields.position;i++){ |
2e415130 |
1279 | field_t *field = (field_t*)(event->fields.array[i]); |
a3e6ce64 |
1280 | type_descriptor_t *type = field->type; |
1281 | |
1282 | /* Set from */ |
30d72138 |
1283 | print_tabs(2, fd); |
1284 | switch(type->type) { |
1285 | case SEQUENCE: |
1286 | case UNION: |
1287 | case ARRAY: |
1288 | case STRUCT: |
1289 | case STRING: |
1290 | fprintf(fd, "from = %s;\n", field->name); |
1291 | break; |
1292 | default: |
1293 | fprintf(fd, "from = &%s;\n", field->name); |
1294 | break; |
1295 | } |
1296 | |
a3e6ce64 |
1297 | |
1298 | if(print_type_write(type, |
1299 | fd, 2, basename, field->name)) return 1; |
1300 | fprintf(fd, "\n"); |
7e97b039 |
1301 | |
a3e6ce64 |
1302 | /* Don't forget to flush pending memcpy */ |
1303 | print_tabs(2, fd); |
1304 | fprintf(fd, "/* Flush pending memcpy */\n"); |
1305 | print_tabs(2, fd); |
1306 | fprintf(fd, "if(len != 0) {\n"); |
1307 | print_tabs(3, fd); |
1308 | fprintf(fd, "memcpy(buffer+to_base+to, from, len);\n"); |
1309 | print_tabs(3, fd); |
1310 | fprintf(fd, "to += len;\n"); |
1311 | //print_tabs(3, fd); |
1312 | //fprintf(fd, "from += len;\n"); |
1313 | print_tabs(3, fd); |
1314 | fprintf(fd, "len = 0;\n"); |
1315 | print_tabs(2, fd); |
1316 | fprintf(fd, "}\n"); |
1317 | fprintf(fd, "\n"); |
1318 | } |
1319 | |
1320 | |
7e97b039 |
1321 | /* commit */ |
a3e6ce64 |
1322 | print_tabs(2, fd); |
1323 | fprintf(fd, "ltt_commit_slot(relayfs_buf, buffer, slot_size);\n\n"); |
7e97b039 |
1324 | |
a3e6ce64 |
1325 | print_tabs(1, fd); |
1326 | fprintf(fd, "}\n\n"); |
1327 | |
7e97b039 |
1328 | /* Release locks */ |
a3e6ce64 |
1329 | print_tabs(1, fd); |
1330 | fprintf(fd, "ltt_nesting[smp_processor_id()]--;\n"); |
1331 | print_tabs(1, fd); |
1332 | fprintf(fd, "preempt_enable_no_resched();\n"); |
2d2d14a7 |
1333 | |
47299663 |
1334 | fprintf(fd, "}\n"); |
1335 | fprintf(fd, "#endif //CONFIG_LTT\n\n"); |
1336 | return 0; |
1337 | } |
2d2d14a7 |
1338 | |
1339 | |
1340 | /* ltt-facility-name.h : main logging header. |
1341 | * log_header */ |
1342 | |
1343 | void print_log_header_head(facility_t *fac, FILE *fd) |
1344 | { |
1345 | fprintf(fd, "#ifndef _LTT_FACILITY_%s_H_\n", fac->capname); |
1346 | fprintf(fd, "#define _LTT_FACILITY_%s_H_\n\n", fac->capname); |
47299663 |
1347 | fprintf(fd, "\n"); |
1348 | fprintf(fd, "/* Facility activation at compile time. */\n"); |
1349 | fprintf(fd, "#ifdef CONFIG_LTT_FACILITY_%s\n\n", fac->capname); |
2d2d14a7 |
1350 | } |
1351 | |
1352 | |
1353 | |
2d2d14a7 |
1354 | int print_log_header_types(facility_t *fac, FILE *fd) |
1355 | { |
1356 | sequence_t *types = &fac->named_types.values; |
1357 | fprintf(fd, "/* Named types */\n"); |
1358 | fprintf(fd, "\n"); |
1359 | |
1360 | for(unsigned int i = 0; i < types->position; i++) { |
1361 | /* For each named type, print the definition */ |
1362 | if((print_type_declaration(types->array[i], fd, |
1363 | 0, "", ""))) return 1; |
34c1d1b5 |
1364 | /* Print also the align function */ |
1365 | if((print_type_alignment_fct(types->array[i], fd, |
1366 | 0, "", ""))) return 1; |
1367 | /* Print also the write function */ |
1368 | if((print_type_write_fct(types->array[i], fd, |
1369 | 0, "", ""))) return 1; |
2d2d14a7 |
1370 | } |
1371 | return 0; |
1372 | } |
1373 | |
1374 | int print_log_header_events(facility_t *fac, FILE *fd) |
1375 | { |
47299663 |
1376 | sequence_t *events = &fac->events; |
1377 | char basename[PATH_MAX]; |
1378 | unsigned int facname_len; |
1379 | |
1380 | strncpy(basename, fac->name, PATH_MAX); |
1381 | facname_len = strlen(basename); |
1382 | strncat(basename, "_", PATH_MAX-facname_len); |
1383 | facname_len = strlen(basename); |
1384 | |
1385 | for(unsigned int i = 0; i < events->position; i++) { |
1386 | event_t *event = (event_t*)events->array[i]; |
1387 | strncpy(&basename[facname_len], event->name, PATH_MAX-facname_len); |
1388 | |
1389 | /* For each event, print structure, and then logging function */ |
1390 | fprintf(fd, "/* Event %s structures */\n", |
1391 | event->name); |
1392 | for(unsigned int j = 0; j < event->fields.position; j++) { |
1393 | /* For each unnamed type, print the definition */ |
1394 | field_t *f = (field_t*)event->fields.array[j]; |
1395 | type_descriptor_t *t = f->type; |
34c1d1b5 |
1396 | if(t->type_name == NULL) { |
47299663 |
1397 | if((print_type_declaration(t, fd, 0, basename, f->name))) return 1; |
34c1d1b5 |
1398 | /* Print also the align function */ |
1399 | if((print_type_alignment_fct(t, fd, 0, basename, f->name))) return 1; |
1400 | /* Print also the write function */ |
1401 | if((print_type_write_fct(t, fd, 0, basename, f->name))) return 1; |
1402 | } |
47299663 |
1403 | } |
34c1d1b5 |
1404 | |
47299663 |
1405 | fprintf(fd, "\n"); |
2d2d14a7 |
1406 | |
47299663 |
1407 | fprintf(fd, "/* Event %s logging function */\n", |
1408 | event->name); |
1409 | |
a3e6ce64 |
1410 | if(print_event_logging_function(basename, fac, event, fd)) return 1; |
47299663 |
1411 | |
1412 | fprintf(fd, "\n"); |
1413 | } |
1414 | |
2d2d14a7 |
1415 | return 0; |
1416 | } |
1417 | |
1418 | |
1419 | void print_log_header_tail(facility_t *fac, FILE *fd) |
1420 | { |
47299663 |
1421 | fprintf(fd, "#endif //CONFIG_LTT_FACILITY_%s\n\n", fac->capname); |
2d2d14a7 |
1422 | fprintf(fd, "#endif //_LTT_FACILITY_%s_H_\n",fac->capname); |
1423 | } |
1424 | |
1425 | int print_log_header(facility_t *fac) |
1426 | { |
1427 | char filename[PATH_MAX]; |
1428 | unsigned int filename_size = 0; |
1429 | FILE *fd; |
1430 | dprintf("%s\n", fac->name); |
1431 | |
1432 | strcpy(filename, "ltt-facility-"); |
1433 | filename_size = strlen(filename); |
1434 | |
1435 | strncat(filename, fac->name, PATH_MAX - filename_size); |
1436 | filename_size = strlen(filename); |
1437 | |
1438 | strncat(filename, ".h", PATH_MAX - filename_size); |
1439 | filename_size = strlen(filename); |
1440 | |
1441 | |
1442 | fd = fopen(filename, "w"); |
1443 | if(fd == NULL) { |
1444 | printf("Error opening file %s for writing : %s\n", |
1445 | filename, strerror(errno)); |
1446 | return errno; |
1447 | } |
1448 | |
1449 | /* Print file head */ |
1450 | print_log_header_head(fac, fd); |
1451 | |
1452 | /* print named types in declaration order */ |
1453 | if(print_log_header_types(fac, fd)) return 1; |
1454 | |
1455 | /* Print events */ |
1456 | if(print_log_header_events(fac, fd)) return 1; |
1457 | |
1458 | /* Print file tail */ |
1459 | print_log_header_tail(fac, fd); |
1460 | |
1461 | |
1462 | fclose(fd); |
1463 | |
1464 | return 0; |
1465 | } |
1466 | |
1467 | |
1468 | /* ltt-facility-id-name.h : facility id. |
1469 | * log_id_header */ |
1470 | int print_id_header(facility_t *fac) |
1471 | { |
1472 | char filename[PATH_MAX]; |
1473 | unsigned int filename_size = 0; |
1474 | FILE *fd; |
1475 | dprintf("%s\n", fac->name); |
1476 | |
1477 | strcpy(filename, "ltt-facility-id-"); |
1478 | filename_size = strlen(filename); |
1479 | |
1480 | strncat(filename, fac->name, PATH_MAX - filename_size); |
1481 | filename_size = strlen(filename); |
1482 | |
1483 | strncat(filename, ".h", PATH_MAX - filename_size); |
1484 | filename_size = strlen(filename); |
1485 | |
1486 | |
1487 | fd = fopen(filename, "w"); |
1488 | if(fd == NULL) { |
1489 | printf("Error opening file %s for writing : %s\n", |
1490 | filename, strerror(errno)); |
1491 | return errno; |
1492 | } |
1493 | |
1494 | fclose(fd); |
1495 | |
1496 | return 0; |
1497 | } |
1498 | |
1499 | |
1500 | /* ltt-facility-loader-name.h : facility specific loader info. |
1501 | * loader_header */ |
1502 | int print_loader_header(facility_t *fac) |
1503 | { |
1504 | char filename[PATH_MAX]; |
1505 | unsigned int filename_size = 0; |
1506 | FILE *fd; |
1507 | dprintf("%s\n", fac->name); |
1508 | |
1509 | strcpy(filename, "ltt-facility-loader-"); |
1510 | filename_size = strlen(filename); |
1511 | |
1512 | strncat(filename, fac->name, PATH_MAX - filename_size); |
1513 | filename_size = strlen(filename); |
1514 | |
1515 | strncat(filename, ".h", PATH_MAX - filename_size); |
1516 | filename_size = strlen(filename); |
1517 | |
1518 | |
1519 | fd = fopen(filename, "w"); |
1520 | if(fd == NULL) { |
1521 | printf("Error opening file %s for writing : %s\n", |
1522 | filename, strerror(errno)); |
1523 | return errno; |
1524 | } |
1525 | |
1526 | fclose(fd); |
1527 | |
1528 | return 0; |
1529 | } |
1530 | |
1531 | /* ltt-facility-loader-name.c : generic faciilty loader |
1532 | * loader_c */ |
1533 | int print_loader_c(facility_t *fac) |
1534 | { |
1535 | char filename[PATH_MAX]; |
1536 | unsigned int filename_size = 0; |
1537 | FILE *fd; |
1538 | dprintf("%s\n", fac->name); |
1539 | |
1540 | strcpy(filename, "ltt-facility-loader-"); |
1541 | filename_size = strlen(filename); |
1542 | |
1543 | strncat(filename, fac->name, PATH_MAX - filename_size); |
1544 | filename_size = strlen(filename); |
1545 | |
1546 | strncat(filename, ".c", PATH_MAX - filename_size); |
1547 | filename_size = strlen(filename); |
1548 | |
1549 | |
1550 | fd = fopen(filename, "w"); |
1551 | if(fd == NULL) { |
1552 | printf("Error opening file %s for writing : %s\n", |
1553 | filename, strerror(errno)); |
1554 | return errno; |
1555 | } |
1556 | |
1557 | |
1558 | fclose(fd); |
1559 | |
1560 | return 0; |
1561 | } |
1562 | |
1563 | |
1564 | |
92d82357 |
1565 | /* open facility */ |
1566 | /* code taken from ltt_facility_open in ltt/facility.c in lttv */ |
1567 | |
1568 | /***************************************************************************** |
1569 | *Function name |
1570 | * ltt_facility_open : open facilities |
1571 | *Input params |
1572 | * pathname : the path name of the facility |
1573 | * |
1574 | * Open the facility corresponding to the right checksum. |
1575 | * |
1576 | *returns the facility on success, NULL on error. |
1577 | ****************************************************************************/ |
1578 | facility_t *ltt_facility_open(char * pathname) |
1579 | { |
1580 | int ret = 0; |
1581 | char *token; |
1582 | parse_file_t in; |
1583 | facility_t * fac = NULL; |
92d82357 |
1584 | char buffer[BUFFER_SIZE]; |
1585 | int generated = FALSE; |
1586 | |
1587 | in.buffer = &(buffer[0]); |
1588 | in.lineno = 0; |
1589 | in.error = error_callback; |
1590 | in.name = pathname; |
1591 | in.unget = 0; |
1592 | |
1593 | in.fp = fopen(in.name, "r"); |
1594 | if(in.fp == NULL) { |
1595 | ret = 1; |
1596 | goto open_error; |
1597 | } |
1598 | |
1599 | while(1){ |
1600 | token = getToken(&in); |
1601 | if(in.type == ENDFILE) break; |
1602 | |
1603 | if(generated) { |
1604 | printf("More than one facility in the file. Only using the first one.\n"); |
1605 | break; |
1606 | } |
1607 | |
1608 | if(strcmp(token, "<")) in.error(&in,"not a facility file"); |
1609 | token = getName(&in); |
1610 | |
1611 | if(strcmp("facility",token) == 0) { |
1612 | fac = malloc(sizeof(facility_t)); |
1613 | fac->name = NULL; |
1614 | fac->description = NULL; |
1615 | sequence_init(&(fac->events)); |
1616 | table_init(&(fac->named_types)); |
1617 | sequence_init(&(fac->unnamed_types)); |
1618 | |
1619 | parseFacility(&in, fac); |
1620 | |
1621 | //check if any namedType is not defined |
1622 | checkNamedTypesImplemented(&fac->named_types); |
1623 | |
2e415130 |
1624 | generateChecksum(fac->name, &fac->checksum, &fac->events); |
a67cd958 |
1625 | |
92d82357 |
1626 | generated = TRUE; |
1627 | } |
1628 | else { |
1629 | printf("facility token was expected in file %s\n", in.name); |
1630 | ret = 1; |
1631 | goto parse_error; |
1632 | } |
1633 | } |
1634 | |
1635 | parse_error: |
1636 | fclose(in.fp); |
1637 | open_error: |
1638 | |
1639 | if(!generated) { |
1640 | printf("Cannot find facility %s\n", pathname); |
1641 | fac = NULL; |
1642 | } |
1643 | |
1644 | return fac; |
1645 | } |
1646 | |
1647 | /* Close the facility */ |
1648 | void ltt_facility_close(facility_t *fac) |
1649 | { |
1650 | free(fac->name); |
1651 | free(fac->capname); |
1652 | free(fac->description); |
1653 | freeEvents(&fac->events); |
1654 | sequence_dispose(&fac->events); |
1655 | freeNamedType(&fac->named_types); |
1656 | table_dispose(&fac->named_types); |
1657 | freeTypes(&fac->unnamed_types); |
1658 | sequence_dispose(&fac->unnamed_types); |
1659 | free(fac); |
1660 | } |
1661 | |
1662 | |
1663 | /* Show help */ |
1664 | void show_help(int argc, char ** argv) |
1665 | { |
1666 | printf("Genevent help : \n"); |
1667 | printf("\n"); |
1668 | printf("Use %s name.xml\n", argv[0]); |
1669 | printf("to create :\n"); |
1670 | printf("ltt-facility-name.h\n"); |
1671 | printf("ltt-facility-id-name.h\n"); |
1672 | printf("ltt-facility-loader-name.h\n"); |
1673 | printf("ltt-facility-loader-name.c\n"); |
1674 | printf("In the current directory.\n"); |
1675 | printf("\n"); |
1676 | } |
1677 | |
1678 | /* Parse program arguments */ |
1679 | /* Return values : |
1680 | * 0 : continue program |
1681 | * -1 : stop program, return 0 |
1682 | * > 0 : stop program, return value as exit. |
1683 | */ |
1684 | int check_args(int argc, char **argv) |
1685 | { |
1686 | if(argc < 2) { |
1687 | printf("Not enough arguments\n"); |
1688 | show_help(argc, argv); |
1689 | return EINVAL; |
1690 | } |
1691 | |
1692 | if(strcmp(argv[1], "-h") == 0) { |
1693 | show_help(argc, argv); |
1694 | return -1; |
1695 | } |
1696 | |
1697 | return 0; |
1698 | } |
1699 | |
1700 | int main(int argc, char **argv) |
1701 | { |
1702 | int err = 0; |
1703 | facility_t *fac; |
1704 | |
1705 | err = check_args(argc, argv); |
1706 | if(err > 0) return err; |
1707 | else if(err < 0) return 0; |
1708 | |
1709 | /* open the facility */ |
1710 | fac = ltt_facility_open(argv[1]); |
1711 | if(fac == NULL) { |
1712 | printf("Error opening file %s for reading : %s\n", |
1713 | argv[1], strerror(errno)); |
1714 | return errno; |
1715 | } |
1716 | |
1717 | /* generate the output C files */ |
1718 | |
1719 | |
2d2d14a7 |
1720 | /* ltt-facility-name.h : main logging header. |
1721 | * log_header */ |
1722 | err = print_log_header(fac); |
1723 | if(err) return err; |
92d82357 |
1724 | |
2d2d14a7 |
1725 | /* ltt-facility-id-name.h : facility id. |
1726 | * log_id_header */ |
1727 | err = print_id_header(fac); |
1728 | if(err) return err; |
92d82357 |
1729 | |
2d2d14a7 |
1730 | /* ltt-facility-loader-name.h : facility specific loader info. |
1731 | * loader_header */ |
1732 | err = print_loader_header(fac); |
1733 | if(err) return err; |
1734 | |
1735 | /* ltt-facility-loader-name.c : generic faciilty loader |
1736 | * loader_c */ |
1737 | err = print_loader_c(fac); |
1738 | if(err) return err; |
92d82357 |
1739 | |
1740 | /* close the facility */ |
1741 | ltt_facility_close(fac); |
1742 | |
1743 | return 0; |
1744 | } |
1745 | |
1746 | |