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12259 CTF shouldn't assume enum size
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--- old/usr/src/cmd/ctfdump/ctfdump.c
+++ new/usr/src/cmd/ctfdump/ctfdump.c
1 1 /*
2 2 * This file and its contents are supplied under the terms of the
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3 3 * Common Development and Distribution License ("CDDL"), version 1.0.
4 4 * You may only use this file in accordance with the terms of version
5 5 * 1.0 of the CDDL.
6 6 *
7 7 * A full copy of the text of the CDDL should have accompanied this
8 8 * source. A copy of the CDDL is also available via the Internet at
9 9 * http://www.illumos.org/license/CDDL.
10 10 */
11 11
12 12 /*
13 - * Copyright 2019, Joyent, Inc.
13 + * Copyright 2020 Joyent, Inc.
14 14 */
15 15
16 16 /*
17 17 * Dump information about CTF containers.
18 18 */
19 19
20 20 #include <stdio.h>
21 21 #include <unistd.h>
22 22 #include <libctf.h>
23 23 #include <libgen.h>
24 24 #include <stdarg.h>
25 25 #include <stdlib.h>
26 26 #include <stddef.h>
27 27 #include <sys/sysmacros.h>
28 28 #include <sys/types.h>
29 29 #include <sys/stat.h>
30 30 #include <sys/note.h>
31 31 #include <fcntl.h>
32 32 #include <errno.h>
33 33 #include <string.h>
34 34 #include <strings.h>
35 35 #include <err.h>
36 36
37 37 #define MAX_NAMELEN (512)
38 38
39 39 typedef enum ctfdump_arg {
40 40 CTFDUMP_OBJECTS = 0x001,
41 41 CTFDUMP_FUNCTIONS = 0x002,
42 42 CTFDUMP_HEADER = 0x004,
43 43 CTFDUMP_LABELS = 0x008,
44 44 CTFDUMP_STRINGS = 0x010,
45 45 CTFDUMP_STATS = 0x020,
46 46 CTFDUMP_TYPES = 0x040,
47 47 CTFDUMP_DEFAULT = 0x07f,
48 48 CTFDUMP_OUTPUT = 0x080,
49 49 CTFDUMP_SOURCE = 0x100,
50 50 } ctfdump_arg_t;
51 51
52 52 typedef struct ctfdump_stat {
53 53 ulong_t cs_ndata; /* number of data objects */
54 54 ulong_t cs_nfuncs; /* number of functions */
55 55 ulong_t cs_nfuncargs; /* number of function args */
56 56 ulong_t cs_nfuncmax; /* largest number of args */
57 57 ulong_t cs_ntypes[CTF_K_MAX]; /* number of types */
58 58 ulong_t cs_nsmembs; /* number of struct members */
59 59 ulong_t cs_nsmax; /* largest number of members */
60 60 ulong_t cs_structsz; /* sum of structures sizes */
61 61 ulong_t cs_sszmax; /* largest structure */
62 62 ulong_t cs_numembs; /* number of union members */
63 63 ulong_t cs_numax; /* largest number of members */
64 64 ulong_t cs_unionsz; /* sum of unions sizes */
65 65 ulong_t cs_uszmax; /* largest union */
66 66 ulong_t cs_nemembs; /* number of enum members */
67 67 ulong_t cs_nemax; /* largest number of members */
68 68 ulong_t cs_nstrings; /* number of strings */
69 69 ulong_t cs_strsz; /* string size */
70 70 ulong_t cs_strmax; /* longest string */
71 71 } ctfdump_stat_t;
72 72
73 73 typedef struct {
74 74 char ci_name[MAX_NAMELEN];
75 75 ctf_id_t ci_id;
76 76 ulong_t ci_symidx;
77 77 ctf_funcinfo_t ci_funcinfo;
78 78 } ctf_idname_t;
79 79
80 80 static ctf_idname_t *idnames;
81 81 static const char *g_progname;
82 82 static ctfdump_arg_t g_dump;
83 83 static ctf_file_t *g_fp;
84 84 static ctfdump_stat_t g_stats;
85 85 static ctf_id_t *g_fargc;
86 86 static int g_nfargc;
87 87
88 88 static int g_exit = 0;
89 89
90 90 static const char *ctfdump_fpenc[] = {
91 91 NULL,
92 92 "SINGLE",
93 93 "DOUBLE",
94 94 "COMPLEX",
95 95 "DCOMPLEX",
96 96 "LDCOMPLEX",
97 97 "LDOUBLE",
98 98 "INTERVAL",
99 99 "DINTERVAL",
100 100 "LDINTERVAL",
101 101 "IMAGINARY",
102 102 "DIMAGINARY",
103 103 "LDIMAGINARY"
104 104 };
105 105
106 106 /*
107 107 * When stats are requested, we have to go through everything. To make our lives
108 108 * easier, we'll just always allow the code to print everything out, but only
109 109 * output it if we have actually enabled that section.
110 110 */
111 111 static void
112 112 ctfdump_printf(ctfdump_arg_t arg, const char *fmt, ...)
113 113 {
114 114 va_list ap;
115 115
116 116 if ((arg & g_dump) == 0)
117 117 return;
118 118
119 119 va_start(ap, fmt);
120 120 (void) vfprintf(stdout, fmt, ap);
121 121 va_end(ap);
122 122 }
123 123
124 124 static void
125 125 ctfdump_fatal(const char *fmt, ...)
126 126 {
127 127 va_list ap;
128 128
129 129 (void) fprintf(stderr, "%s: ", g_progname);
130 130 va_start(ap, fmt);
131 131 (void) vfprintf(stderr, fmt, ap);
132 132 va_end(ap);
133 133
134 134 exit(1);
135 135 }
136 136
137 137 static void
138 138 ctfdump_usage(const char *fmt, ...)
139 139 {
140 140 if (fmt != NULL) {
141 141 va_list ap;
142 142 (void) fprintf(stderr, "%s: ", g_progname);
143 143 va_start(ap, fmt);
144 144 (void) vfprintf(stderr, fmt, ap);
145 145 va_end(ap);
146 146 }
147 147
148 148 (void) fprintf(stderr, "Usage: %s [-cdfhlsSt] [-p parent] [-u outfile] "
149 149 "file\n"
150 150 "\n"
151 151 "\t-c dump C-style output\n"
152 152 "\t-d dump object data\n"
153 153 "\t-f dump function data\n"
154 154 "\t-h dump the CTF header\n"
155 155 "\t-l dump the label table\n"
156 156 "\t-p use parent to supply additional information\n"
157 157 "\t-s dump the string table\n"
158 158 "\t-S dump statistics about the CTF container\n"
159 159 "\t-t dump type information\n"
160 160 "\t-u dump uncompressed CTF data to outfile\n",
161 161 g_progname);
162 162 }
163 163
164 164 static void
165 165 ctfdump_title(ctfdump_arg_t arg, const char *header)
166 166 {
167 167 static const char line[] = "----------------------------------------"
168 168 "----------------------------------------";
169 169 ctfdump_printf(arg, "\n- %s %.*s\n\n", header, (int)78 - strlen(header),
170 170 line);
171 171 }
172 172
173 173 static int
174 174 ctfdump_objects_cb(const char *name, ctf_id_t id, ulong_t symidx, void *arg)
175 175 {
176 176 _NOTE(ARGUNUSED(arg));
177 177
178 178 int len;
179 179
180 180 len = snprintf(NULL, 0, " [%lu] %ld", g_stats.cs_ndata, id);
181 181 ctfdump_printf(CTFDUMP_OBJECTS, " [%lu] %ld %*s%s (%lu)\n",
182 182 g_stats.cs_ndata, id, MAX(15 - len, 0), "", name, symidx);
183 183 g_stats.cs_ndata++;
184 184 return (0);
185 185 }
186 186
187 187 static void
188 188 ctfdump_objects(void)
189 189 {
190 190 ctfdump_title(CTFDUMP_OBJECTS, "Data Objects");
191 191 if (ctf_object_iter(g_fp, ctfdump_objects_cb, NULL) == CTF_ERR) {
192 192 warnx("failed to dump objects: %s",
193 193 ctf_errmsg(ctf_errno(g_fp)));
194 194 g_exit = 1;
195 195 }
196 196 }
197 197
198 198 static void
199 199 ctfdump_fargs_grow(int nargs)
200 200 {
201 201 if (g_nfargc < nargs) {
202 202 g_fargc = realloc(g_fargc, sizeof (ctf_id_t) * nargs);
203 203 if (g_fargc == NULL)
204 204 ctfdump_fatal("failed to get memory for %d "
205 205 "ctf_id_t's\n", nargs);
206 206 g_nfargc = nargs;
207 207 }
208 208 }
209 209
210 210 static int
211 211 ctfdump_functions_cb(const char *name, ulong_t symidx, ctf_funcinfo_t *ctc,
212 212 void *arg)
213 213 {
214 214 _NOTE(ARGUNUSED(arg));
215 215 int i;
216 216
217 217 if (ctc->ctc_argc != 0) {
218 218 ctfdump_fargs_grow(ctc->ctc_argc);
219 219 if (ctf_func_args(g_fp, symidx, g_nfargc, g_fargc) == CTF_ERR)
220 220 ctfdump_fatal("failed to get arguments for function "
221 221 "%s: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
222 222 }
223 223
224 224 ctfdump_printf(CTFDUMP_FUNCTIONS,
225 225 " [%lu] %s (%lu) returns: %ld args: (", g_stats.cs_nfuncs, name,
226 226 symidx, ctc->ctc_return);
227 227 for (i = 0; i < ctc->ctc_argc; i++)
228 228 ctfdump_printf(CTFDUMP_FUNCTIONS, "%ld%s", g_fargc[i],
229 229 i + 1 == ctc->ctc_argc ? "" : ", ");
230 230 if (ctc->ctc_flags & CTF_FUNC_VARARG)
231 231 ctfdump_printf(CTFDUMP_FUNCTIONS, "%s...",
232 232 ctc->ctc_argc == 0 ? "" : ", ");
233 233 ctfdump_printf(CTFDUMP_FUNCTIONS, ")\n");
234 234
235 235 g_stats.cs_nfuncs++;
236 236 g_stats.cs_nfuncargs += ctc->ctc_argc;
237 237 g_stats.cs_nfuncmax = MAX(ctc->ctc_argc, g_stats.cs_nfuncmax);
238 238
239 239 return (0);
240 240 }
241 241
242 242 static void
243 243 ctfdump_functions(void)
244 244 {
245 245 ctfdump_title(CTFDUMP_FUNCTIONS, "Functions");
246 246
247 247 if (ctf_function_iter(g_fp, ctfdump_functions_cb, NULL) == CTF_ERR) {
248 248 warnx("failed to dump functions: %s",
249 249 ctf_errmsg(ctf_errno(g_fp)));
250 250 g_exit = 1;
251 251 }
252 252 }
253 253
254 254 static void
255 255 ctfdump_header(void)
256 256 {
257 257 const ctf_header_t *hp;
258 258 const char *parname, *parlabel;
259 259
260 260 ctfdump_title(CTFDUMP_HEADER, "CTF Header");
261 261 ctf_dataptr(g_fp, (const void **)&hp, NULL);
262 262 ctfdump_printf(CTFDUMP_HEADER, " cth_magic = 0x%04x\n",
263 263 hp->cth_magic);
264 264 ctfdump_printf(CTFDUMP_HEADER, " cth_version = %u\n",
265 265 hp->cth_version);
266 266 ctfdump_printf(CTFDUMP_HEADER, " cth_flags = 0x%02x\n",
267 267 ctf_flags(g_fp));
268 268 parname = ctf_parent_name(g_fp);
269 269 parlabel = ctf_parent_label(g_fp);
270 270 ctfdump_printf(CTFDUMP_HEADER, " cth_parlabel = %s\n",
271 271 parlabel == NULL ? "(anon)" : parlabel);
272 272 ctfdump_printf(CTFDUMP_HEADER, " cth_parname = %s\n",
273 273 parname == NULL ? "(anon)" : parname);
274 274 ctfdump_printf(CTFDUMP_HEADER, " cth_lbloff = %u\n",
275 275 hp->cth_lbloff);
276 276 ctfdump_printf(CTFDUMP_HEADER, " cth_objtoff = %u\n",
277 277 hp->cth_objtoff);
278 278 ctfdump_printf(CTFDUMP_HEADER, " cth_funcoff = %u\n",
279 279 hp->cth_funcoff);
280 280 ctfdump_printf(CTFDUMP_HEADER, " cth_typeoff = %u\n",
281 281 hp->cth_typeoff);
282 282 ctfdump_printf(CTFDUMP_HEADER, " cth_stroff = %u\n",
283 283 hp->cth_stroff);
284 284 ctfdump_printf(CTFDUMP_HEADER, " cth_strlen = %u\n",
285 285 hp->cth_strlen);
286 286 }
287 287
288 288 static int
289 289 ctfdump_labels_cb(const char *name, const ctf_lblinfo_t *li, void *arg)
290 290 {
291 291 _NOTE(ARGUNUSED(arg));
292 292 ctfdump_printf(CTFDUMP_LABELS, " %5ld %s\n", li->ctb_typeidx, name);
293 293 return (0);
294 294 }
295 295
296 296 static void
297 297 ctfdump_labels(void)
298 298 {
299 299 ctfdump_title(CTFDUMP_LABELS, "Label Table");
300 300 if (ctf_label_iter(g_fp, ctfdump_labels_cb, NULL) == CTF_ERR) {
301 301 warnx("failed to dump labels: %s",
302 302 ctf_errmsg(ctf_errno(g_fp)));
303 303 g_exit = 1;
304 304 }
305 305 }
306 306
307 307 static int
308 308 ctfdump_strings_cb(const char *s, void *arg)
309 309 {
310 310 size_t len = strlen(s) + 1;
311 311 ulong_t *stroff = arg;
312 312 ctfdump_printf(CTFDUMP_STRINGS, " [%lu] %s\n", *stroff,
313 313 *s == '\0' ? "\\0" : s);
314 314 *stroff = *stroff + len;
315 315 g_stats.cs_nstrings++;
316 316 g_stats.cs_strsz += len;
317 317 g_stats.cs_strmax = MAX(g_stats.cs_strmax, len);
318 318 return (0);
319 319 }
320 320
321 321 static void
322 322 ctfdump_strings(void)
323 323 {
324 324 ulong_t stroff = 0;
325 325
326 326 ctfdump_title(CTFDUMP_STRINGS, "String Table");
327 327 if (ctf_string_iter(g_fp, ctfdump_strings_cb, &stroff) == CTF_ERR) {
328 328 warnx("failed to dump strings: %s",
329 329 ctf_errmsg(ctf_errno(g_fp)));
330 330 g_exit = 1;
331 331 }
332 332 }
333 333
334 334 static void
335 335 ctfdump_stat_int(const char *name, ulong_t value)
336 336 {
337 337 ctfdump_printf(CTFDUMP_STATS, " %-36s= %lu\n", name, value);
338 338 }
339 339
340 340 static void
341 341 ctfdump_stat_fp(const char *name, float value)
342 342 {
343 343 ctfdump_printf(CTFDUMP_STATS, " %-36s= %.2f\n", name, value);
344 344 }
345 345
346 346 static void
347 347 ctfdump_stats(void)
348 348 {
349 349 int i;
350 350 ulong_t sum;
351 351
352 352 ctfdump_title(CTFDUMP_STATS, "CTF Statistics");
353 353
354 354 ctfdump_stat_int("total number of data objects", g_stats.cs_ndata);
355 355 ctfdump_printf(CTFDUMP_STATS, "\n");
356 356 ctfdump_stat_int("total number of functions", g_stats.cs_nfuncs);
357 357 ctfdump_stat_int("total number of function arguments",
358 358 g_stats.cs_nfuncargs);
359 359 ctfdump_stat_int("maximum argument list length", g_stats.cs_nfuncmax);
360 360 if (g_stats.cs_nfuncs != 0)
361 361 ctfdump_stat_fp("average argument list length",
362 362 (float)g_stats.cs_nfuncargs / (float)g_stats.cs_nfuncs);
363 363 ctfdump_printf(CTFDUMP_STATS, "\n");
364 364
365 365 sum = 0;
366 366 for (i = 0; i < CTF_K_MAX; i++)
367 367 sum += g_stats.cs_ntypes[i];
368 368 ctfdump_stat_int("total number of types", sum);
369 369 ctfdump_stat_int("total number of integers",
370 370 g_stats.cs_ntypes[CTF_K_INTEGER]);
371 371 ctfdump_stat_int("total number of floats",
372 372 g_stats.cs_ntypes[CTF_K_FLOAT]);
373 373 ctfdump_stat_int("total number of pointers",
374 374 g_stats.cs_ntypes[CTF_K_POINTER]);
375 375 ctfdump_stat_int("total number of arrays",
376 376 g_stats.cs_ntypes[CTF_K_ARRAY]);
377 377 ctfdump_stat_int("total number of func types",
378 378 g_stats.cs_ntypes[CTF_K_FUNCTION]);
379 379 ctfdump_stat_int("total number of structs",
380 380 g_stats.cs_ntypes[CTF_K_STRUCT]);
381 381 ctfdump_stat_int("total number of unions",
382 382 g_stats.cs_ntypes[CTF_K_UNION]);
383 383 ctfdump_stat_int("total number of enums",
384 384 g_stats.cs_ntypes[CTF_K_ENUM]);
385 385 ctfdump_stat_int("total number of forward tags",
386 386 g_stats.cs_ntypes[CTF_K_FORWARD]);
387 387 ctfdump_stat_int("total number of typedefs",
388 388 g_stats.cs_ntypes[CTF_K_TYPEDEF]);
389 389 ctfdump_stat_int("total number of volatile types",
390 390 g_stats.cs_ntypes[CTF_K_VOLATILE]);
391 391 ctfdump_stat_int("total number of const types",
392 392 g_stats.cs_ntypes[CTF_K_CONST]);
393 393 ctfdump_stat_int("total number of restrict types",
394 394 g_stats.cs_ntypes[CTF_K_RESTRICT]);
395 395 ctfdump_stat_int("total number of unknowns (holes)",
396 396 g_stats.cs_ntypes[CTF_K_UNKNOWN]);
397 397
398 398 ctfdump_printf(CTFDUMP_STATS, "\n");
399 399 ctfdump_stat_int("total number of struct members", g_stats.cs_nsmembs);
400 400 ctfdump_stat_int("maximum number of struct members", g_stats.cs_nsmax);
401 401 ctfdump_stat_int("total size of all structs", g_stats.cs_structsz);
402 402 ctfdump_stat_int("maximum size of a struct", g_stats.cs_sszmax);
403 403 if (g_stats.cs_ntypes[CTF_K_STRUCT] != 0) {
404 404 ctfdump_stat_fp("average number of struct members",
405 405 (float)g_stats.cs_nsmembs /
406 406 (float)g_stats.cs_ntypes[CTF_K_STRUCT]);
407 407 ctfdump_stat_fp("average size of a struct",
408 408 (float)g_stats.cs_structsz /
409 409 (float)g_stats.cs_ntypes[CTF_K_STRUCT]);
410 410 }
411 411 ctfdump_printf(CTFDUMP_STATS, "\n");
412 412 ctfdump_stat_int("total number of union members", g_stats.cs_numembs);
413 413 ctfdump_stat_int("maximum number of union members", g_stats.cs_numax);
414 414 ctfdump_stat_int("total size of all unions", g_stats.cs_unionsz);
415 415 ctfdump_stat_int("maximum size of a union", g_stats.cs_uszmax);
416 416 if (g_stats.cs_ntypes[CTF_K_UNION] != 0) {
417 417 ctfdump_stat_fp("average number of union members",
418 418 (float)g_stats.cs_numembs /
419 419 (float)g_stats.cs_ntypes[CTF_K_UNION]);
420 420 ctfdump_stat_fp("average size of a union",
421 421 (float)g_stats.cs_unionsz /
422 422 (float)g_stats.cs_ntypes[CTF_K_UNION]);
423 423 }
424 424 ctfdump_printf(CTFDUMP_STATS, "\n");
425 425
426 426 ctfdump_stat_int("total number of enum members", g_stats.cs_nemembs);
427 427 ctfdump_stat_int("maximum number of enum members", g_stats.cs_nemax);
428 428 if (g_stats.cs_ntypes[CTF_K_ENUM] != 0) {
429 429 ctfdump_stat_fp("average number of enum members",
430 430 (float)g_stats.cs_nemembs /
431 431 (float)g_stats.cs_ntypes[CTF_K_ENUM]);
432 432 }
433 433 ctfdump_printf(CTFDUMP_STATS, "\n");
434 434
435 435 ctfdump_stat_int("total number of strings", g_stats.cs_nstrings);
436 436 ctfdump_stat_int("bytes of string data", g_stats.cs_strsz);
437 437 ctfdump_stat_int("maximum string length", g_stats.cs_strmax);
438 438 if (g_stats.cs_nstrings != 0)
439 439 ctfdump_stat_fp("average string length",
440 440 (float)g_stats.cs_strsz / (float)g_stats.cs_nstrings);
441 441 ctfdump_printf(CTFDUMP_STATS, "\n");
442 442 }
443 443
444 444 static void
445 445 ctfdump_intenc_name(ctf_encoding_t *cte, char *buf, int len)
446 446 {
447 447 int off = 0;
448 448 boolean_t space = B_FALSE;
449 449
450 450 if (cte->cte_format == 0 || (cte->cte_format &
451 451 ~(CTF_INT_SIGNED | CTF_INT_CHAR | CTF_INT_BOOL |
452 452 CTF_INT_VARARGS)) != 0) {
453 453 (void) snprintf(buf, len, "0x%x", cte->cte_format);
454 454 return;
455 455 }
456 456
457 457 if (cte->cte_format & CTF_INT_SIGNED) {
458 458 off += snprintf(buf + off, MAX(len - off, 0), "%sSIGNED",
459 459 space == B_TRUE ? " " : "");
460 460 space = B_TRUE;
461 461 }
462 462
463 463 if (cte->cte_format & CTF_INT_CHAR) {
464 464 off += snprintf(buf + off, MAX(len - off, 0), "%sCHAR",
465 465 space == B_TRUE ? " " : "");
466 466 space = B_TRUE;
467 467 }
468 468
469 469 if (cte->cte_format & CTF_INT_BOOL) {
470 470 off += snprintf(buf + off, MAX(len - off, 0), "%sBOOL",
471 471 space == B_TRUE ? " " : "");
472 472 space = B_TRUE;
473 473 }
474 474
475 475 if (cte->cte_format & CTF_INT_VARARGS) {
476 476 off += snprintf(buf + off, MAX(len - off, 0), "%sVARARGS",
477 477 space == B_TRUE ? " " : "");
478 478 space = B_TRUE;
479 479 }
480 480 }
481 481
482 482 static int
483 483 ctfdump_member_cb(const char *member, ctf_id_t type, ulong_t off, void *arg)
484 484 {
485 485 int *count = arg;
486 486 ctfdump_printf(CTFDUMP_TYPES, "\t%s type=%ld off=%lu\n", member, type,
487 487 off);
488 488 *count = *count + 1;
489 489 return (0);
490 490 }
491 491
492 492 static int
493 493 ctfdump_enum_cb(const char *name, int value, void *arg)
494 494 {
495 495 int *count = arg;
496 496 ctfdump_printf(CTFDUMP_TYPES, "\t%s = %d\n", name, value);
497 497 *count = *count + 1;
498 498 return (0);
499 499 }
500 500
501 501 static int
502 502 ctfdump_types_cb(ctf_id_t id, boolean_t root, void *arg)
503 503 {
504 504 _NOTE(ARGUNUSED(arg));
505 505 int kind, i, count;
506 506 ctf_id_t ref;
507 507 char name[MAX_NAMELEN], ienc[128];
508 508 const char *encn;
509 509 ctf_funcinfo_t ctc;
510 510 ctf_arinfo_t ar;
511 511 ctf_encoding_t cte;
512 512 ssize_t size;
513 513
514 514 if ((kind = ctf_type_kind(g_fp, id)) == CTF_ERR)
515 515 ctfdump_fatal("encountered malformed ctf, type %s does not "
516 516 "have a kind: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
517 517
518 518 if (ctf_type_name(g_fp, id, name, sizeof (name)) == NULL) {
519 519 if (ctf_errno(g_fp) != ECTF_NOPARENT)
520 520 ctfdump_fatal("type %ld missing name: %s\n", id,
521 521 ctf_errmsg(ctf_errno(g_fp)));
522 522 (void) snprintf(name, sizeof (name), "(unknown %s)",
523 523 ctf_kind_name(g_fp, kind));
524 524 }
525 525
526 526 g_stats.cs_ntypes[kind]++;
527 527 if (root == B_TRUE)
528 528 ctfdump_printf(CTFDUMP_TYPES, " <%ld> ", id);
529 529 else
530 530 ctfdump_printf(CTFDUMP_TYPES, " [%ld] ", id);
531 531
532 532 switch (kind) {
533 533 case CTF_K_UNKNOWN:
534 534 break;
535 535 case CTF_K_INTEGER:
536 536 if (ctf_type_encoding(g_fp, id, &cte) == CTF_ERR)
537 537 ctfdump_fatal("failed to get encoding information "
538 538 "for %s: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
539 539 ctfdump_intenc_name(&cte, ienc, sizeof (ienc));
540 540 ctfdump_printf(CTFDUMP_TYPES,
541 541 "%s encoding=%s offset=%u bits=%u",
542 542 name, ienc, cte.cte_offset, cte.cte_bits);
543 543 break;
544 544 case CTF_K_FLOAT:
545 545 if (ctf_type_encoding(g_fp, id, &cte) == CTF_ERR)
546 546 ctfdump_fatal("failed to get encoding information "
547 547 "for %s: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
548 548 if (cte.cte_format < 1 || cte.cte_format > 12)
549 549 encn = "unknown";
550 550 else
551 551 encn = ctfdump_fpenc[cte.cte_format];
552 552 ctfdump_printf(CTFDUMP_TYPES, "%s encoding=%s offset=%u "
553 553 "bits=%u", name, encn, cte.cte_offset, cte.cte_bits);
554 554 break;
555 555 case CTF_K_POINTER:
556 556 if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
557 557 ctfdump_fatal("failed to get reference type for %s: "
558 558 "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
559 559 ctfdump_printf(CTFDUMP_TYPES, "%s refers to %ld", name,
560 560 ref);
561 561 break;
562 562 case CTF_K_ARRAY:
563 563 if (ctf_array_info(g_fp, id, &ar) == CTF_ERR)
564 564 ctfdump_fatal("failed to get array information for "
565 565 "%s: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
566 566 ctfdump_printf(CTFDUMP_TYPES, "%s contents: %ld, index: %ld",
567 567 name, ar.ctr_contents, ar.ctr_index);
568 568 break;
569 569 case CTF_K_FUNCTION:
570 570 if (ctf_func_info_by_id(g_fp, id, &ctc) == CTF_ERR)
571 571 ctfdump_fatal("failed to get function info for %s: "
572 572 "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
573 573 if (ctc.ctc_argc > 0) {
574 574 ctfdump_fargs_grow(ctc.ctc_argc);
575 575 if (ctf_func_args_by_id(g_fp, id, g_nfargc, g_fargc) ==
576 576 CTF_ERR)
577 577 ctfdump_fatal("failed to get function "
578 578 "arguments for %s: %s\n", name,
579 579 ctf_errmsg(ctf_errno(g_fp)));
580 580 }
581 581 ctfdump_printf(CTFDUMP_TYPES,
582 582 "%s returns: %ld args: (", name, ctc.ctc_return);
583 583 for (i = 0; i < ctc.ctc_argc; i++) {
584 584 ctfdump_printf(CTFDUMP_TYPES, "%ld%s", g_fargc[i],
585 585 i + 1 == ctc.ctc_argc ? "" : ", ");
586 586 }
587 587 if (ctc.ctc_flags & CTF_FUNC_VARARG)
588 588 ctfdump_printf(CTFDUMP_TYPES, "%s...",
589 589 ctc.ctc_argc == 0 ? "" : ", ");
590 590 ctfdump_printf(CTFDUMP_TYPES, ")");
591 591 break;
592 592 case CTF_K_STRUCT:
593 593 case CTF_K_UNION:
594 594 size = ctf_type_size(g_fp, id);
595 595 if (size == CTF_ERR)
596 596 ctfdump_fatal("failed to get size of %s: %s\n", name,
597 597 ctf_errmsg(ctf_errno(g_fp)));
598 598 ctfdump_printf(CTFDUMP_TYPES, "%s (%zd bytes)\n", name, size);
599 599 count = 0;
600 600 if (ctf_member_iter(g_fp, id, ctfdump_member_cb, &count) != 0)
601 601 ctfdump_fatal("failed to iterate members of %s: %s\n",
602 602 name, ctf_errmsg(ctf_errno(g_fp)));
603 603 if (kind == CTF_K_STRUCT) {
604 604 g_stats.cs_nsmembs += count;
605 605 g_stats.cs_nsmax = MAX(count, g_stats.cs_nsmax);
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606 606 g_stats.cs_structsz += size;
607 607 g_stats.cs_sszmax = MAX(size, g_stats.cs_sszmax);
608 608 } else {
609 609 g_stats.cs_numembs += count;
610 610 g_stats.cs_numax = MAX(count, g_stats.cs_numax);
611 611 g_stats.cs_unionsz += size;
612 612 g_stats.cs_uszmax = MAX(count, g_stats.cs_uszmax);
613 613 }
614 614 break;
615 615 case CTF_K_ENUM:
616 - ctfdump_printf(CTFDUMP_TYPES, "%s\n", name);
616 + size = ctf_type_size(g_fp, id);
617 +
618 + /* Only the oddest enums are worth reporting on size. */
619 + if (size != CTF_ERR && size != sizeof (int)) {
620 + ctfdump_printf(CTFDUMP_TYPES, "%s (%zd bytes)\n",
621 + name, size);
622 + } else {
623 + ctfdump_printf(CTFDUMP_TYPES, "%s\n", name);
624 + }
625 +
617 626 count = 0;
618 627 if (ctf_enum_iter(g_fp, id, ctfdump_enum_cb, &count) != 0)
619 628 ctfdump_fatal("failed to iterate enumerators of %s: "
620 629 "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
621 630 g_stats.cs_nemembs += count;
622 631 g_stats.cs_nemax = MAX(g_stats.cs_nemax, count);
623 632 break;
624 633 case CTF_K_FORWARD:
625 634 ctfdump_printf(CTFDUMP_TYPES, "forward %s\n", name);
626 635 break;
627 636 case CTF_K_TYPEDEF:
628 637 if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
629 638 ctfdump_fatal("failed to get reference type for %s: "
630 639 "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
631 640 ctfdump_printf(CTFDUMP_TYPES, "typedef %s refers to %ld", name,
632 641 ref);
633 642 break;
634 643 case CTF_K_VOLATILE:
635 644 if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
636 645 ctfdump_fatal("failed to get reference type for %s: "
637 646 "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
638 647 ctfdump_printf(CTFDUMP_TYPES, "%s refers to %ld", name,
639 648 ref);
640 649 break;
641 650 case CTF_K_CONST:
642 651 if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
643 652 ctfdump_fatal("failed to get reference type for %s: "
644 653 "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
645 654 ctfdump_printf(CTFDUMP_TYPES, "%s refers to %ld", name,
646 655 ref);
647 656 break;
648 657 case CTF_K_RESTRICT:
649 658 if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR)
650 659 ctfdump_fatal("failed to get reference type for %s: "
651 660 "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
652 661 ctfdump_printf(CTFDUMP_TYPES, "%s refers to %ld", name,
653 662 ref);
654 663 break;
655 664 default:
656 665 ctfdump_fatal("encountered unknown kind for type %s: %d\n",
657 666 name, kind);
658 667 }
659 668
660 669 ctfdump_printf(CTFDUMP_TYPES, "\n");
661 670
662 671 return (0);
663 672 }
664 673
665 674 static void
666 675 ctfdump_types(void)
667 676 {
668 677 ctfdump_title(CTFDUMP_TYPES, "Types");
669 678
670 679 if (ctf_type_iter(g_fp, B_TRUE, ctfdump_types_cb, NULL) == CTF_ERR) {
671 680 warnx("failed to dump types: %s",
672 681 ctf_errmsg(ctf_errno(g_fp)));
673 682 g_exit = 1;
674 683 }
675 684 }
676 685
677 686 /*
678 687 * C-style output. This is designed mainly for comparison purposes, and doesn't
679 688 * produce directly valid C:
680 689 *
681 690 * - the declarations are sorted alphabetically not semantically
682 691 * - anonymous enums without other users are elided (e.g. IDCS_PROBE_SENT)
683 692 * - doubly-pointed-to functions are wrong (e.g. in kiconv_ops_t)
684 693 * - anon unions declared within SOUs aren't expanded
685 694 * - function arguments aren't expanded recursively
686 695 */
687 696
688 697 static const char *
689 698 ctfsrc_refname(ctf_id_t id, char *buf, size_t bufsize)
690 699 {
691 700 ctf_id_t ref;
692 701
693 702 if ((ref = ctf_type_reference(g_fp, id)) == CTF_ERR) {
694 703 ctfdump_fatal("failed to get reference type for %ld: "
695 704 "%s\n", id, ctf_errmsg(ctf_errno(g_fp)));
696 705 }
697 706
698 707 return (ctf_type_name(g_fp, ref, buf, bufsize));
699 708 }
700 709
701 710 static int
702 711 ctfsrc_member_cb(const char *member, ctf_id_t type, ulong_t off, void *arg)
703 712 {
704 713 _NOTE(ARGUNUSED(arg));
705 714 char name[MAX_NAMELEN];
706 715
707 716 if (ctf_type_cname(g_fp, type, name, sizeof (name), member) == NULL) {
708 717 if (ctf_errno(g_fp) != ECTF_NOPARENT) {
709 718 ctfdump_fatal("type %ld missing name: %s\n", type,
710 719 ctf_errmsg(ctf_errno(g_fp)));
711 720 }
712 721
713 722 (void) snprintf(name, sizeof (name), "unknown_t %s", member);
714 723 }
715 724
716 725 /*
717 726 * A byte offset is friendlier, but we'll print bits too if it's not
718 727 * aligned (i.e. a bitfield).
719 728 */
720 729 if (off % NBBY != 0) {
721 730 printf("\t%s; /* offset: %lu bytes (%lu bits) */\n",
722 731 name, off / NBBY, off);
723 732 } else {
724 733 printf("\t%s; /* offset: %lu bytes */\n",
725 734 name, off / NBBY);
726 735 }
727 736 return (0);
728 737 }
729 738
730 739 static int
731 740 ctfsrc_enum_cb(const char *name, int value, void *arg)
732 741 {
733 742 _NOTE(ARGUNUSED(arg));
734 743 printf("\t%s = %d,\n", name, value);
735 744 return (0);
736 745 }
737 746
738 747 static int
739 748 is_anon_refname(const char *refname)
740 749 {
741 750 return ((strcmp(refname, "struct ") == 0 ||
742 751 strcmp(refname, "union ") == 0 ||
743 752 strcmp(refname, "enum ") == 0));
744 753 }
745 754
746 755 static int
747 756 ctfsrc_collect_types_cb(ctf_id_t id, boolean_t root, void *arg)
748 757 {
749 758 _NOTE(ARGUNUSED(root, arg));
750 759 (void) ctf_type_name(g_fp, id, idnames[id].ci_name,
751 760 sizeof (idnames[id].ci_name));
752 761 idnames[id].ci_id = id;
753 762 return (0);
754 763 }
755 764
756 765 static void
757 766 ctfsrc_type(ctf_id_t id, const char *name)
758 767 {
759 768 char refname[MAX_NAMELEN] = "unknown_t";
760 769 ctf_id_t ref;
761 770 ssize_t size;
762 771 int kind;
763 772
764 773 if ((kind = ctf_type_kind(g_fp, id)) == CTF_ERR) {
765 774 ctfdump_fatal("encountered malformed ctf, type %s does not "
766 775 "have a kind: %s\n", name, ctf_errmsg(ctf_errno(g_fp)));
767 776 }
768 777
769 778 switch (kind) {
770 779 case CTF_K_STRUCT:
771 780 case CTF_K_UNION:
772 781 /*
773 782 * Delay printing anonymous SOUs; a later typedef will usually
774 783 * pick them up.
775 784 */
776 785 if (is_anon_refname(name))
777 786 break;
778 787
779 788 if ((size = ctf_type_size(g_fp, id)) == CTF_ERR) {
780 789 ctfdump_fatal("failed to get size of %s: %s\n", name,
781 790 ctf_errmsg(ctf_errno(g_fp)));
782 791 }
783 792
784 793 printf("%s { /* 0x%x bytes */\n", name, size);
785 794
786 795 if (ctf_member_iter(g_fp, id, ctfsrc_member_cb, NULL) != 0) {
787 796 ctfdump_fatal("failed to iterate members of %s: %s\n",
788 797 name, ctf_errmsg(ctf_errno(g_fp)));
789 798 }
790 799
791 800 printf("};\n\n");
792 801 break;
793 802 case CTF_K_ENUM:
794 803 /*
795 804 * This will throw away any anon enum that isn't followed by a
796 805 * typedef...
797 806 */
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798 807 if (is_anon_refname(name))
799 808 break;
800 809
801 810 printf("%s {\n", name);
802 811
803 812 if (ctf_enum_iter(g_fp, id, ctfsrc_enum_cb, NULL) != 0) {
804 813 ctfdump_fatal("failed to iterate enumerators of %s: "
805 814 "%s\n", name, ctf_errmsg(ctf_errno(g_fp)));
806 815 }
807 816
808 - printf("};\n\n");
817 + size = ctf_type_size(g_fp, id);
818 +
819 + /* Only the oddest enums are worth reporting on size. */
820 + if (size != CTF_ERR && size != sizeof (int)) {
821 + printf("} /* 0x%x bytes */;\n\n", size);
822 + } else {
823 + printf("};\n\n");
824 + }
809 825 break;
810 826 case CTF_K_TYPEDEF:
811 827 /*
812 828 * If this fails, it's probably because the referent type is in
813 829 * a parent container that was not supplied via -p.
814 830 */
815 831 if (ctfsrc_refname(id, refname, sizeof (refname)) == NULL) {
816 832 printf("typedef %s %s;\n\n", refname, name);
817 833 break;
818 834 }
819 835
820 836 if (!is_anon_refname(refname)) {
821 837 (void) ctf_type_cname(g_fp,
822 838 ctf_type_reference(g_fp, id), refname,
823 839 sizeof (refname), name);
824 840
825 841 printf("typedef %s;\n\n", refname);
826 842 break;
827 843 }
828 844
829 845 ref = ctf_type_reference(g_fp, id);
830 846
831 847 if (ctf_type_kind(g_fp, ref) == CTF_K_ENUM) {
832 848 printf("typedef enum {\n");
833 849
834 850 if (ctf_enum_iter(g_fp, ref,
835 851 ctfsrc_enum_cb, NULL) != 0) {
836 852 ctfdump_fatal("failed to iterate enumerators "
837 853 "of %s: %s\n", refname,
838 854 ctf_errmsg(ctf_errno(g_fp)));
839 855 }
840 856
841 857 printf("} %s;\n\n", name);
842 858 } else {
843 859 if ((size = ctf_type_size(g_fp, ref)) == CTF_ERR) {
844 860 ctfdump_fatal("failed to get size of %s: %s\n",
845 861 refname, ctf_errmsg(ctf_errno(g_fp)));
846 862 }
847 863
848 864 printf("typedef %s{ /* 0x%zx bytes */\n",
849 865 refname, size);
850 866
851 867 if (ctf_member_iter(g_fp, ref,
852 868 ctfsrc_member_cb, NULL) != 0) {
853 869 ctfdump_fatal("failed to iterate members "
854 870 "of %s: %s\n", refname,
855 871 ctf_errmsg(ctf_errno(g_fp)));
856 872 }
857 873
858 874 printf("} %s;\n\n", name);
859 875 }
860 876
861 877 break;
862 878 case CTF_K_FORWARD:
863 879 printf("%s;\n\n", name);
864 880 break;
865 881 case CTF_K_UNKNOWN:
866 882 case CTF_K_INTEGER:
867 883 case CTF_K_FLOAT:
868 884 case CTF_K_POINTER:
869 885 case CTF_K_ARRAY:
870 886 case CTF_K_FUNCTION:
871 887 case CTF_K_VOLATILE:
872 888 case CTF_K_CONST:
873 889 case CTF_K_RESTRICT:
874 890 break;
875 891 default:
876 892 ctfdump_fatal("encountered unknown kind for type %s: %d\n",
877 893 name, kind);
878 894 break;
879 895 }
880 896 }
881 897
882 898 static int
883 899 ctfsrc_collect_objects_cb(const char *name, ctf_id_t id,
884 900 ulong_t symidx, void *arg)
885 901 {
886 902 size_t *count = arg;
887 903
888 904 /* local static vars can have an unknown ID */
889 905 if (id == 0)
890 906 return (0);
891 907
892 908 (void) strlcpy(idnames[*count].ci_name, name,
893 909 sizeof (idnames[*count].ci_name));
894 910 idnames[*count].ci_id = id;
895 911 idnames[*count].ci_symidx = symidx;
896 912 *count = *count + 1;
897 913 return (0);
898 914 }
899 915
900 916 static void
901 917 ctfsrc_object(ctf_id_t id, const char *name)
902 918 {
903 919 char tname[MAX_NAMELEN];
904 920
905 921 if (ctf_type_cname(g_fp, id, tname, sizeof (tname), name) == NULL) {
906 922 if (ctf_errno(g_fp) != ECTF_NOPARENT) {
907 923 ctfdump_fatal("type %ld missing name: %s\n", id,
908 924 ctf_errmsg(ctf_errno(g_fp)));
909 925 }
910 926 (void) snprintf(tname, sizeof (tname), "unknown_t %s", name);
911 927 }
912 928
913 929 printf("extern %s;\n", tname);
914 930 }
915 931
916 932 static int
917 933 ctfsrc_collect_functions_cb(const char *name, ulong_t symidx,
918 934 ctf_funcinfo_t *ctc, void *arg)
919 935 {
920 936 size_t *count = arg;
921 937
922 938 (void) strlcpy(idnames[*count].ci_name, name,
923 939 sizeof (idnames[*count].ci_name));
924 940 bcopy(ctc, &idnames[*count].ci_funcinfo, sizeof (*ctc));
925 941 idnames[*count].ci_id = 0;
926 942 idnames[*count].ci_symidx = symidx;
927 943 *count = *count + 1;
928 944 return (0);
929 945 }
930 946
931 947 static void
932 948 ctfsrc_function(ctf_idname_t *idn)
933 949 {
934 950 ctf_funcinfo_t *cfi = &idn->ci_funcinfo;
935 951 char name[MAX_NAMELEN] = "unknown_t";
936 952
937 953 (void) ctf_type_name(g_fp, cfi->ctc_return, name, sizeof (name));
938 954
939 955 printf("extern %s %s(", name, idn->ci_name);
940 956
941 957 if (cfi->ctc_argc != 0) {
942 958 ctfdump_fargs_grow(cfi->ctc_argc);
943 959 if (ctf_func_args(g_fp, idn->ci_symidx,
944 960 g_nfargc, g_fargc) == CTF_ERR) {
945 961 ctfdump_fatal("failed to get arguments for function "
946 962 "%s: %s\n", idn->ci_name,
947 963 ctf_errmsg(ctf_errno(g_fp)));
948 964 }
949 965
950 966 for (size_t i = 0; i < cfi->ctc_argc; i++) {
951 967 ctf_id_t aid = g_fargc[i];
952 968
953 969 (void) strlcpy(name, "unknown_t", sizeof (name));
954 970
955 971 (void) ctf_type_name(g_fp, aid, name, sizeof (name));
956 972
957 973 printf("%s%s", name,
958 974 i + 1 == cfi->ctc_argc ? "" : ", ");
959 975 }
960 976 } else {
961 977 if (!(cfi->ctc_flags & CTF_FUNC_VARARG))
962 978 printf("void");
963 979 }
964 980
965 981 if (cfi->ctc_flags & CTF_FUNC_VARARG)
966 982 printf("%s...", cfi->ctc_argc == 0 ? "" : ", ");
967 983
968 984 printf(");\n");
969 985 }
970 986
971 987 static int
972 988 idname_compare(const void *lhs, const void *rhs)
973 989 {
974 990 return (strcmp(((ctf_idname_t *)lhs)->ci_name,
975 991 ((ctf_idname_t *)rhs)->ci_name));
976 992 }
977 993
978 994 static void
979 995 ctfdump_source(void)
980 996 {
981 997 ulong_t nr_syms = ctf_nr_syms(g_fp);
982 998 ctf_id_t max_id = ctf_max_id(g_fp);
983 999 size_t count = 0;
984 1000
985 1001 printf("/* Types */\n\n");
986 1002
987 1003 if ((idnames = calloc(max_id + 1, sizeof (idnames[0]))) == NULL) {
988 1004 ctfdump_fatal("failed to alloc idnames: %s\n",
989 1005 strerror(errno));
990 1006 }
991 1007
992 1008 /*
993 1009 * Prep for any unknown types (most likely, they exist in the parent,
994 1010 * but we weren't given the -p option).
995 1011 */
996 1012 for (size_t i = 0; i <= max_id; i++) {
997 1013 (void) strlcpy(idnames[i].ci_name, "unknown_t",
998 1014 sizeof (idnames[i].ci_name));
999 1015 }
1000 1016
1001 1017 if (ctf_type_iter(g_fp, B_TRUE, ctfsrc_collect_types_cb,
1002 1018 idnames) == CTF_ERR) {
1003 1019 warnx("failed to collect types: %s",
1004 1020 ctf_errmsg(ctf_errno(g_fp)));
1005 1021 g_exit = 1;
1006 1022 }
1007 1023
1008 1024 qsort(idnames, max_id, sizeof (ctf_idname_t), idname_compare);
1009 1025
1010 1026 for (size_t i = 0; i <= max_id; i++) {
1011 1027 if (idnames[i].ci_id != 0)
1012 1028 ctfsrc_type(idnames[i].ci_id, idnames[i].ci_name);
1013 1029 }
1014 1030
1015 1031 free(idnames);
1016 1032
1017 1033 printf("\n\n/* Data Objects */\n\n");
1018 1034
1019 1035 if ((idnames = calloc(nr_syms, sizeof (idnames[0]))) == NULL) {
1020 1036 ctfdump_fatal("failed to alloc idnames: %s\n",
1021 1037 strerror(errno));
1022 1038 }
1023 1039
1024 1040 if (ctf_object_iter(g_fp, ctfsrc_collect_objects_cb,
1025 1041 &count) == CTF_ERR) {
1026 1042 warnx("failed to collect objects: %s",
1027 1043 ctf_errmsg(ctf_errno(g_fp)));
1028 1044 g_exit = 1;
1029 1045 }
1030 1046
1031 1047 qsort(idnames, count, sizeof (ctf_idname_t), idname_compare);
1032 1048
1033 1049 for (size_t i = 0; i < count; i++)
1034 1050 ctfsrc_object(idnames[i].ci_id, idnames[i].ci_name);
1035 1051
1036 1052 free(idnames);
1037 1053
1038 1054 printf("\n\n/* Functions */\n\n");
1039 1055
1040 1056 if ((idnames = calloc(nr_syms, sizeof (idnames[0]))) == NULL) {
1041 1057 ctfdump_fatal("failed to alloc idnames: %s\n",
1042 1058 strerror(errno));
1043 1059 }
1044 1060
1045 1061 count = 0;
1046 1062
1047 1063 if (ctf_function_iter(g_fp, ctfsrc_collect_functions_cb,
1048 1064 &count) == CTF_ERR) {
1049 1065 warnx("failed to collect functions: %s",
1050 1066 ctf_errmsg(ctf_errno(g_fp)));
1051 1067 g_exit = 1;
1052 1068 }
1053 1069
1054 1070 qsort(idnames, count, sizeof (ctf_idname_t), idname_compare);
1055 1071
1056 1072 for (size_t i = 0; i < count; i++)
1057 1073 ctfsrc_function(&idnames[i]);
1058 1074
1059 1075 free(idnames);
1060 1076 }
1061 1077
1062 1078 static void
1063 1079 ctfdump_output(const char *out)
1064 1080 {
1065 1081 int fd, ret;
1066 1082 const void *data;
1067 1083 size_t len;
1068 1084
1069 1085 ctf_dataptr(g_fp, &data, &len);
1070 1086 if ((fd = open(out, O_WRONLY | O_CREAT | O_TRUNC, 0666)) < 0)
1071 1087 ctfdump_fatal("failed to open output file %s: %s\n", out,
1072 1088 strerror(errno));
1073 1089
1074 1090 while (len > 0) {
1075 1091 ret = write(fd, data, len);
1076 1092 if (ret == -1 && errno == EINTR)
1077 1093 continue;
1078 1094 else if (ret == -1 && (errno == EFAULT || errno == EBADF))
1079 1095 abort();
1080 1096 else if (ret == -1)
1081 1097 ctfdump_fatal("failed to write to %s: %s\n", out,
1082 1098 strerror(errno));
1083 1099 data = ((char *)data) + ret;
1084 1100 len -= ret;
1085 1101 }
1086 1102
1087 1103 do {
1088 1104 ret = close(fd);
1089 1105 } while (ret == -1 && errno == EINTR);
1090 1106 if (ret != 0 && errno == EBADF)
1091 1107 abort();
1092 1108 if (ret != 0)
1093 1109 ctfdump_fatal("failed to close %s: %s\n", out, strerror(errno));
1094 1110 }
1095 1111
1096 1112 int
1097 1113 main(int argc, char *argv[])
1098 1114 {
1099 1115 int c, fd, err;
1100 1116 const char *ufile = NULL, *parent = NULL;
1101 1117
1102 1118 g_progname = basename(argv[0]);
1103 1119 while ((c = getopt(argc, argv, ":cdfhlp:sStu:")) != -1) {
1104 1120 switch (c) {
1105 1121 case 'c':
1106 1122 g_dump |= CTFDUMP_SOURCE;
1107 1123 break;
1108 1124 case 'd':
1109 1125 g_dump |= CTFDUMP_OBJECTS;
1110 1126 break;
1111 1127 case 'f':
1112 1128 g_dump |= CTFDUMP_FUNCTIONS;
1113 1129 break;
1114 1130 case 'h':
1115 1131 g_dump |= CTFDUMP_HEADER;
1116 1132 break;
1117 1133 case 'l':
1118 1134 g_dump |= CTFDUMP_LABELS;
1119 1135 break;
1120 1136 case 'p':
1121 1137 parent = optarg;
1122 1138 break;
1123 1139 case 's':
1124 1140 g_dump |= CTFDUMP_STRINGS;
1125 1141 break;
1126 1142 case 'S':
1127 1143 g_dump |= CTFDUMP_STATS;
1128 1144 break;
1129 1145 case 't':
1130 1146 g_dump |= CTFDUMP_TYPES;
1131 1147 break;
1132 1148 case 'u':
1133 1149 g_dump |= CTFDUMP_OUTPUT;
1134 1150 ufile = optarg;
1135 1151 break;
1136 1152 case '?':
1137 1153 ctfdump_usage("Unknown option: -%c\n", optopt);
1138 1154 return (2);
1139 1155 case ':':
1140 1156 ctfdump_usage("Option -%c requires an operand\n",
1141 1157 optopt);
1142 1158 return (2);
1143 1159 }
1144 1160 }
1145 1161
1146 1162 argc -= optind;
1147 1163 argv += optind;
1148 1164
1149 1165 if ((g_dump & CTFDUMP_SOURCE) && !!(g_dump & ~CTFDUMP_SOURCE)) {
1150 1166 ctfdump_usage("-c must be specified on its own\n");
1151 1167 return (2);
1152 1168 }
1153 1169
1154 1170 /*
1155 1171 * Dump all information except C source by default.
1156 1172 */
1157 1173 if (g_dump == 0)
1158 1174 g_dump = CTFDUMP_DEFAULT;
1159 1175
1160 1176 if (argc != 1) {
1161 1177 ctfdump_usage("no file to dump\n");
1162 1178 return (2);
1163 1179 }
1164 1180
1165 1181 if ((fd = open(argv[0], O_RDONLY)) < 0)
1166 1182 ctfdump_fatal("failed to open file %s: %s\n", argv[0],
1167 1183 strerror(errno));
1168 1184
1169 1185 g_fp = ctf_fdopen(fd, &err);
1170 1186 if (g_fp == NULL)
1171 1187 ctfdump_fatal("failed to open file %s: %s\n", argv[0],
1172 1188 ctf_errmsg(err));
1173 1189
1174 1190 /*
1175 1191 * Check to see if this file needs a parent. If it does not and we were
1176 1192 * given one, that should be an error. If it does need one and the
1177 1193 * parent is not specified, that is fine, we just won't know how to
1178 1194 * find child types. If we are given a parent, check at least that the
1179 1195 * labels match.
1180 1196 */
1181 1197 if (ctf_parent_name(g_fp) == NULL) {
1182 1198 if (parent != NULL)
1183 1199 ctfdump_fatal("cannot use %s as a parent file, %s is "
1184 1200 "not a child\n", parent, argv[0]);
1185 1201 } else if (parent != NULL) {
1186 1202 const char *explabel, *label;
1187 1203 ctf_file_t *pfp = ctf_open(parent, &err);
1188 1204
1189 1205 if (pfp == NULL)
1190 1206 ctfdump_fatal("failed to open parent file %s: %s\n",
1191 1207 parent, ctf_errmsg(err));
1192 1208
1193 1209 /*
1194 1210 * Before we import the parent into the child, check that the
1195 1211 * labels match. While there is also the notion of the parent
1196 1212 * name, it's less straightforward to match that. Require that
1197 1213 * labels match.
1198 1214 */
1199 1215 explabel = ctf_parent_label(g_fp);
1200 1216 label = ctf_label_topmost(pfp);
1201 1217 if (explabel == NULL || label == NULL ||
1202 1218 strcmp(explabel, label) != 0) {
1203 1219 if (label == NULL)
1204 1220 label = "<missing>";
1205 1221 if (explabel == NULL)
1206 1222 explabel = "<missing>";
1207 1223 ctfdump_fatal("label mismatch between parent %s and "
1208 1224 "child %s, parent has %s, child expects %s\n",
1209 1225 parent, argv[0], label, explabel);
1210 1226 }
1211 1227
1212 1228 if (ctf_import(g_fp, pfp) != 0)
1213 1229 ctfdump_fatal("failed to import parent %s: %s\n",
1214 1230 parent, ctf_errmsg(ctf_errno(g_fp)));
1215 1231 } else {
1216 1232 if (g_dump & CTFDUMP_SOURCE) {
1217 1233 printf("/* Warning: parent \"%s\" not supplied: many "
1218 1234 "types will be unknown. */\n\n",
1219 1235 ctf_parent_name(g_fp));
1220 1236 } else {
1221 1237 fprintf(stderr, "warning: parent \"%s\" not supplied: "
1222 1238 "many types will be unknown\n\n",
1223 1239 ctf_parent_name(g_fp));
1224 1240 }
1225 1241 }
1226 1242
1227 1243 if (g_dump & CTFDUMP_SOURCE) {
1228 1244 ctfdump_source();
1229 1245 return (0);
1230 1246 }
1231 1247
1232 1248 /*
1233 1249 * If stats is set, we must run through everything exect CTFDUMP_OUTPUT.
1234 1250 * We also do CTFDUMP_STATS last as a result.
1235 1251 */
1236 1252 if (g_dump & CTFDUMP_HEADER)
1237 1253 ctfdump_header();
1238 1254
1239 1255 if (g_dump & (CTFDUMP_LABELS | CTFDUMP_STATS))
1240 1256 ctfdump_labels();
1241 1257
1242 1258 if (g_dump & (CTFDUMP_OBJECTS | CTFDUMP_STATS))
1243 1259 ctfdump_objects();
1244 1260
1245 1261 if (g_dump & (CTFDUMP_FUNCTIONS | CTFDUMP_STATS))
1246 1262 ctfdump_functions();
1247 1263
1248 1264 if (g_dump & (CTFDUMP_TYPES | CTFDUMP_STATS))
1249 1265 ctfdump_types();
1250 1266
1251 1267 if (g_dump & (CTFDUMP_STRINGS | CTFDUMP_STATS))
1252 1268 ctfdump_strings();
1253 1269
1254 1270 if (g_dump & CTFDUMP_STATS)
1255 1271 ctfdump_stats();
1256 1272
1257 1273 if (g_dump & CTFDUMP_OUTPUT)
1258 1274 ctfdump_output(ufile);
1259 1275
1260 1276 return (g_exit);
1261 1277 }
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