Mercurial > hg > CbC > CbC_gcc
annotate gcc/gcov-dump.c @ 67:f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
| author | nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 22 Mar 2011 17:18:12 +0900 |
| parents | b7f97abdc517 |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 /* Dump a gcov file, for debugging use. |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
2 Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 |
| 0 | 3 Free Software Foundation, Inc. |
| 4 Contributed by Nathan Sidwell <nathan@codesourcery.com> | |
| 5 | |
| 6 Gcov is free software; you can redistribute it and/or modify | |
| 7 it under the terms of the GNU General Public License as published by | |
| 8 the Free Software Foundation; either version 3, or (at your option) | |
| 9 any later version. | |
| 10 | |
| 11 Gcov is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 GNU General Public License for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU General Public License | |
| 17 along with Gcov; see the file COPYING3. If not see | |
| 18 <http://www.gnu.org/licenses/>. */ | |
| 19 | |
| 20 #include "config.h" | |
| 21 #include "system.h" | |
| 22 #include "coretypes.h" | |
| 23 #include "tm.h" | |
| 24 #include "version.h" | |
| 25 #include <getopt.h> | |
| 26 #define IN_GCOV (-1) | |
| 27 #include "gcov-io.h" | |
| 28 #include "gcov-io.c" | |
| 29 | |
| 30 static void dump_file (const char *); | |
| 31 static void print_prefix (const char *, unsigned, gcov_position_t); | |
| 32 static void print_usage (void); | |
| 33 static void print_version (void); | |
| 34 static void tag_function (const char *, unsigned, unsigned); | |
| 35 static void tag_blocks (const char *, unsigned, unsigned); | |
| 36 static void tag_arcs (const char *, unsigned, unsigned); | |
| 37 static void tag_lines (const char *, unsigned, unsigned); | |
| 38 static void tag_counters (const char *, unsigned, unsigned); | |
| 39 static void tag_summary (const char *, unsigned, unsigned); | |
| 40 extern int main (int, char **); | |
| 41 | |
| 42 typedef struct tag_format | |
| 43 { | |
| 44 unsigned tag; | |
| 45 char const *name; | |
| 46 void (*proc) (const char *, unsigned, unsigned); | |
| 47 } tag_format_t; | |
| 48 | |
| 49 static int flag_dump_contents = 0; | |
| 50 static int flag_dump_positions = 0; | |
| 51 | |
| 52 static const struct option options[] = | |
| 53 { | |
| 54 { "help", no_argument, NULL, 'h' }, | |
| 55 { "version", no_argument, NULL, 'v' }, | |
| 56 { "long", no_argument, NULL, 'l' }, | |
| 57 { "positions", no_argument, NULL, 'o' }, | |
| 58 { 0, 0, 0, 0 } | |
| 59 }; | |
| 60 | |
| 61 static const tag_format_t tag_table[] = | |
| 62 { | |
| 63 {0, "NOP", NULL}, | |
| 64 {0, "UNKNOWN", NULL}, | |
| 65 {0, "COUNTERS", tag_counters}, | |
| 66 {GCOV_TAG_FUNCTION, "FUNCTION", tag_function}, | |
| 67 {GCOV_TAG_BLOCKS, "BLOCKS", tag_blocks}, | |
| 68 {GCOV_TAG_ARCS, "ARCS", tag_arcs}, | |
| 69 {GCOV_TAG_LINES, "LINES", tag_lines}, | |
| 70 {GCOV_TAG_OBJECT_SUMMARY, "OBJECT_SUMMARY", tag_summary}, | |
| 71 {GCOV_TAG_PROGRAM_SUMMARY, "PROGRAM_SUMMARY", tag_summary}, | |
| 72 {0, NULL, NULL} | |
| 73 }; | |
| 74 | |
| 75 int | |
| 76 main (int argc ATTRIBUTE_UNUSED, char **argv) | |
| 77 { | |
| 78 int opt; | |
| 79 | |
| 80 /* Unlock the stdio streams. */ | |
| 81 unlock_std_streams (); | |
| 82 | |
| 83 while ((opt = getopt_long (argc, argv, "hlpv", options, NULL)) != -1) | |
| 84 { | |
| 85 switch (opt) | |
| 86 { | |
| 87 case 'h': | |
| 88 print_usage (); | |
| 89 break; | |
| 90 case 'v': | |
| 91 print_version (); | |
| 92 break; | |
| 93 case 'l': | |
| 94 flag_dump_contents = 1; | |
| 95 break; | |
| 96 case 'p': | |
| 97 flag_dump_positions = 1; | |
| 98 break; | |
| 99 default: | |
| 100 fprintf (stderr, "unknown flag `%c'\n", opt); | |
| 101 } | |
| 102 } | |
| 103 | |
| 104 while (argv[optind]) | |
| 105 dump_file (argv[optind++]); | |
| 106 return 0; | |
| 107 } | |
| 108 | |
| 109 static void | |
| 110 print_usage (void) | |
| 111 { | |
| 112 printf ("Usage: gcov-dump [OPTION] ... gcovfiles\n"); | |
| 113 printf ("Print coverage file contents\n"); | |
| 114 printf (" -h, --help Print this help\n"); | |
| 115 printf (" -v, --version Print version number\n"); | |
| 116 printf (" -l, --long Dump record contents too\n"); | |
| 117 printf (" -p, --positions Dump record positions\n"); | |
| 118 } | |
| 119 | |
| 120 static void | |
| 121 print_version (void) | |
| 122 { | |
| 123 printf ("gcov-dump %s%s\n", pkgversion_string, version_string); | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
63
diff
changeset
|
124 printf ("Copyright (C) 2011 Free Software Foundation, Inc.\n"); |
| 0 | 125 printf ("This is free software; see the source for copying conditions.\n" |
| 126 "There is NO warranty; not even for MERCHANTABILITY or \n" | |
| 127 "FITNESS FOR A PARTICULAR PURPOSE.\n\n"); | |
| 128 } | |
| 129 | |
| 130 static void | |
| 131 print_prefix (const char *filename, unsigned depth, gcov_position_t position) | |
| 132 { | |
| 133 static const char prefix[] = " "; | |
| 134 | |
| 135 printf ("%s:", filename); | |
| 136 if (flag_dump_positions) | |
| 137 printf ("%lu:", (unsigned long) position); | |
| 138 printf ("%.*s", (int) depth, prefix); | |
| 139 } | |
| 140 | |
| 141 static void | |
| 142 dump_file (const char *filename) | |
| 143 { | |
| 144 unsigned tags[4]; | |
| 145 unsigned depth = 0; | |
| 146 | |
| 147 if (!gcov_open (filename, 1)) | |
| 148 { | |
| 149 fprintf (stderr, "%s:cannot open\n", filename); | |
| 150 return; | |
| 151 } | |
| 152 | |
| 153 /* magic */ | |
| 154 { | |
| 155 unsigned magic = gcov_read_unsigned (); | |
| 156 unsigned version; | |
| 157 const char *type = NULL; | |
| 158 int endianness = 0; | |
| 159 char m[4], v[4]; | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
47
diff
changeset
|
160 |
| 0 | 161 if ((endianness = gcov_magic (magic, GCOV_DATA_MAGIC))) |
| 162 type = "data"; | |
| 163 else if ((endianness = gcov_magic (magic, GCOV_NOTE_MAGIC))) | |
| 164 type = "note"; | |
| 165 else | |
| 166 { | |
| 167 printf ("%s:not a gcov file\n", filename); | |
| 168 gcov_close (); | |
| 169 return; | |
| 170 } | |
| 171 version = gcov_read_unsigned (); | |
| 172 GCOV_UNSIGNED2STRING (v, version); | |
| 173 GCOV_UNSIGNED2STRING (m, magic); | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
47
diff
changeset
|
174 |
| 0 | 175 printf ("%s:%s:magic `%.4s':version `%.4s'%s\n", filename, type, |
| 176 m, v, endianness < 0 ? " (swapped endianness)" : ""); | |
| 177 if (version != GCOV_VERSION) | |
| 178 { | |
| 179 char e[4]; | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
47
diff
changeset
|
180 |
| 0 | 181 GCOV_UNSIGNED2STRING (e, GCOV_VERSION); |
| 182 printf ("%s:warning:current version is `%.4s'\n", filename, e); | |
| 183 } | |
| 184 } | |
| 185 | |
| 186 /* stamp */ | |
| 187 { | |
| 188 unsigned stamp = gcov_read_unsigned (); | |
| 189 | |
| 190 printf ("%s:stamp %lu\n", filename, (unsigned long)stamp); | |
| 191 } | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
47
diff
changeset
|
192 |
| 0 | 193 while (1) |
| 194 { | |
| 195 gcov_position_t base, position = gcov_position (); | |
| 196 unsigned tag, length; | |
| 197 tag_format_t const *format; | |
| 198 unsigned tag_depth; | |
| 199 int error; | |
| 200 unsigned mask; | |
| 201 | |
| 202 tag = gcov_read_unsigned (); | |
| 203 if (!tag) | |
| 204 break; | |
| 205 length = gcov_read_unsigned (); | |
| 206 base = gcov_position (); | |
| 207 mask = GCOV_TAG_MASK (tag) >> 1; | |
| 208 for (tag_depth = 4; mask; mask >>= 8) | |
| 209 { | |
| 210 if ((mask & 0xff) != 0xff) | |
| 211 { | |
| 212 printf ("%s:tag `%08x' is invalid\n", filename, tag); | |
| 213 break; | |
| 214 } | |
| 215 tag_depth--; | |
| 216 } | |
| 217 for (format = tag_table; format->name; format++) | |
| 218 if (format->tag == tag) | |
| 219 goto found; | |
| 220 format = &tag_table[GCOV_TAG_IS_COUNTER (tag) ? 2 : 1]; | |
| 221 found:; | |
| 222 if (tag) | |
| 223 { | |
| 224 if (depth && depth < tag_depth) | |
| 225 { | |
| 226 if (!GCOV_TAG_IS_SUBTAG (tags[depth - 1], tag)) | |
| 227 printf ("%s:tag `%08x' is incorrectly nested\n", | |
| 228 filename, tag); | |
| 229 } | |
| 230 depth = tag_depth; | |
| 231 tags[depth - 1] = tag; | |
| 232 } | |
| 233 | |
| 234 print_prefix (filename, tag_depth, position); | |
| 235 printf ("%08x:%4u:%s", tag, length, format->name); | |
| 236 if (format->proc) | |
| 237 (*format->proc) (filename, tag, length); | |
| 238 | |
| 239 printf ("\n"); | |
| 240 if (flag_dump_contents && format->proc) | |
| 241 { | |
| 242 unsigned long actual_length = gcov_position () - base; | |
| 243 | |
| 244 if (actual_length > length) | |
| 245 printf ("%s:record size mismatch %lu bytes overread\n", | |
| 246 filename, actual_length - length); | |
| 247 else if (length > actual_length) | |
| 248 printf ("%s:record size mismatch %lu bytes unread\n", | |
| 249 filename, length - actual_length); | |
| 250 } | |
| 251 gcov_sync (base, length); | |
| 252 if ((error = gcov_is_error ())) | |
| 253 { | |
| 254 printf (error < 0 ? "%s:counter overflow at %lu\n" : | |
| 255 "%s:read error at %lu\n", filename, | |
| 256 (long unsigned) gcov_position ()); | |
| 257 break; | |
| 258 } | |
| 259 } | |
| 260 gcov_close (); | |
| 261 } | |
| 262 | |
| 263 static void | |
| 264 tag_function (const char *filename ATTRIBUTE_UNUSED, | |
| 265 unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED) | |
| 266 { | |
| 267 unsigned long pos = gcov_position (); | |
| 268 | |
| 269 printf (" ident=%u", gcov_read_unsigned ()); | |
| 270 printf (", checksum=0x%08x", gcov_read_unsigned ()); | |
| 271 | |
| 272 if (gcov_position () - pos < length) | |
| 273 { | |
| 274 const char *name; | |
| 275 | |
| 276 name = gcov_read_string (); | |
| 277 printf (", `%s'", name ? name : "NULL"); | |
| 278 name = gcov_read_string (); | |
| 279 printf (" %s", name ? name : "NULL"); | |
| 280 printf (":%u", gcov_read_unsigned ()); | |
| 281 } | |
| 282 } | |
| 283 | |
| 284 static void | |
| 285 tag_blocks (const char *filename ATTRIBUTE_UNUSED, | |
| 286 unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED) | |
| 287 { | |
| 288 unsigned n_blocks = GCOV_TAG_BLOCKS_NUM (length); | |
| 289 | |
| 290 printf (" %u blocks", n_blocks); | |
| 291 | |
| 292 if (flag_dump_contents) | |
| 293 { | |
| 294 unsigned ix; | |
| 295 | |
| 296 for (ix = 0; ix != n_blocks; ix++) | |
| 297 { | |
| 298 if (!(ix & 7)) | |
| 299 { | |
| 300 printf ("\n"); | |
| 301 print_prefix (filename, 0, gcov_position ()); | |
| 302 printf ("\t\t%u", ix); | |
| 303 } | |
| 304 printf (" %04x", gcov_read_unsigned ()); | |
| 305 } | |
| 306 } | |
| 307 } | |
| 308 | |
| 309 static void | |
| 310 tag_arcs (const char *filename ATTRIBUTE_UNUSED, | |
| 311 unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED) | |
| 312 { | |
| 313 unsigned n_arcs = GCOV_TAG_ARCS_NUM (length); | |
| 314 | |
| 315 printf (" %u arcs", n_arcs); | |
| 316 if (flag_dump_contents) | |
| 317 { | |
| 318 unsigned ix; | |
| 319 unsigned blockno = gcov_read_unsigned (); | |
| 320 | |
| 321 for (ix = 0; ix != n_arcs; ix++) | |
| 322 { | |
| 323 unsigned dst, flags; | |
| 324 | |
| 325 if (!(ix & 3)) | |
| 326 { | |
| 327 printf ("\n"); | |
| 328 print_prefix (filename, 0, gcov_position ()); | |
| 329 printf ("\tblock %u:", blockno); | |
| 330 } | |
| 331 dst = gcov_read_unsigned (); | |
| 332 flags = gcov_read_unsigned (); | |
| 333 printf (" %u:%04x", dst, flags); | |
| 334 } | |
| 335 } | |
| 336 } | |
| 337 | |
| 338 static void | |
| 339 tag_lines (const char *filename ATTRIBUTE_UNUSED, | |
| 340 unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED) | |
| 341 { | |
| 342 if (flag_dump_contents) | |
| 343 { | |
| 344 unsigned blockno = gcov_read_unsigned (); | |
| 345 char const *sep = NULL; | |
| 346 | |
| 347 while (1) | |
| 348 { | |
| 349 gcov_position_t position = gcov_position (); | |
| 350 const char *source = NULL; | |
| 351 unsigned lineno = gcov_read_unsigned (); | |
| 352 | |
| 353 if (!lineno) | |
| 354 { | |
| 355 source = gcov_read_string (); | |
| 356 if (!source) | |
| 357 break; | |
| 358 sep = NULL; | |
| 359 } | |
| 360 | |
| 361 if (!sep) | |
| 362 { | |
| 363 printf ("\n"); | |
| 364 print_prefix (filename, 0, position); | |
| 365 printf ("\tblock %u:", blockno); | |
| 366 sep = ""; | |
| 367 } | |
| 368 if (lineno) | |
| 369 { | |
| 370 printf ("%s%u", sep, lineno); | |
| 371 sep = ", "; | |
| 372 } | |
| 373 else | |
| 374 { | |
| 375 printf ("%s`%s'", sep, source); | |
| 376 sep = ":"; | |
| 377 } | |
| 378 } | |
| 379 } | |
| 380 } | |
| 381 | |
| 382 static void | |
| 383 tag_counters (const char *filename ATTRIBUTE_UNUSED, | |
| 384 unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED) | |
| 385 { | |
| 386 static const char *const counter_names[] = GCOV_COUNTER_NAMES; | |
| 387 unsigned n_counts = GCOV_TAG_COUNTER_NUM (length); | |
| 388 | |
| 389 printf (" %s %u counts", | |
| 390 counter_names[GCOV_COUNTER_FOR_TAG (tag)], n_counts); | |
| 391 if (flag_dump_contents) | |
| 392 { | |
| 393 unsigned ix; | |
| 394 | |
| 395 for (ix = 0; ix != n_counts; ix++) | |
| 396 { | |
| 397 gcov_type count; | |
| 398 | |
| 399 if (!(ix & 7)) | |
| 400 { | |
| 401 printf ("\n"); | |
| 402 print_prefix (filename, 0, gcov_position ()); | |
| 403 printf ("\t\t%u", ix); | |
| 404 } | |
| 405 | |
| 406 count = gcov_read_counter (); | |
| 407 printf (" "); | |
| 408 printf (HOST_WIDEST_INT_PRINT_DEC, count); | |
| 409 } | |
| 410 } | |
| 411 } | |
| 412 | |
| 413 static void | |
| 414 tag_summary (const char *filename ATTRIBUTE_UNUSED, | |
| 415 unsigned tag ATTRIBUTE_UNUSED, unsigned length ATTRIBUTE_UNUSED) | |
| 416 { | |
| 417 struct gcov_summary summary; | |
| 418 unsigned ix; | |
| 419 | |
| 420 gcov_read_summary (&summary); | |
| 421 printf (" checksum=0x%08x", summary.checksum); | |
| 422 | |
| 423 for (ix = 0; ix != GCOV_COUNTERS_SUMMABLE; ix++) | |
| 424 { | |
| 425 printf ("\n"); | |
| 426 print_prefix (filename, 0, 0); | |
| 427 printf ("\t\tcounts=%u, runs=%u", | |
| 428 summary.ctrs[ix].num, summary.ctrs[ix].runs); | |
| 429 | |
| 430 printf (", sum_all=" HOST_WIDEST_INT_PRINT_DEC, | |
| 431 (HOST_WIDEST_INT)summary.ctrs[ix].sum_all); | |
| 432 printf (", run_max=" HOST_WIDEST_INT_PRINT_DEC, | |
| 433 (HOST_WIDEST_INT)summary.ctrs[ix].run_max); | |
| 434 printf (", sum_max=" HOST_WIDEST_INT_PRINT_DEC, | |
| 435 (HOST_WIDEST_INT)summary.ctrs[ix].sum_max); | |
| 436 } | |
| 437 } |