gdb/testsuite/gdb.base/whatis.exp

   1 # Copyright 1988-2016 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file was written by Rob Savoye. (rob@cygnus.com)
  17
  18 #
  19 # test running programs
  20 #
  21
  22 if [target_info exists no_long_long] {
  23     set exec_opts [list debug additional_flags=-DNO_LONG_LONG]
  24 } else {
  25     set exec_opts [list debug]
  26 }
  27
  28 standard_testfile .c
  29
  30 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $exec_opts] != "" } {
  31      untested "failed to compile"
  32      return -1
  33 }
  34
  35 # Create and source the file that provides information about the compiler
  36 # used to compile the test case.
  37 if [get_compiler_info] {
  38     return -1
  39 }
  40
  41 # Start with a fresh gdb.
  42
  43 clean_restart $binfile
  44
  45 # Define a procedure to set up an xfail for all targets that put out a
  46 # `long' type as an `int' type.
  47 # Sun cc has this problem.
  48 # It was said that COFF targets can not distinguish int from long either.
  49
  50 proc setup_xfail_on_long_vs_int {} {
  51     global gcc_compiled
  52
  53     if {!$gcc_compiled} {
  54         setup_xfail "*-sun-sunos4*" "i*86-sequent-bsd*"
  55     }
  56 }
  57
  58 #
  59 # Test whatis command with basic C types
  60 #
  61 # The name printed now (as of 23 May 1993) is whatever name the compiler
  62 # uses in the stabs.  So we need to deal with names both from gcc and
  63 # native compilers.
  64 #
  65
  66 gdb_test "whatis v_char" \
  67     "type = (unsigned char|char)" \
  68     "whatis char"
  69
  70 gdb_test "whatis v_signed_char" \
  71     "type = (signed char|char)" \
  72     "whatis signed char"
  73
  74 gdb_test "whatis v_unsigned_char" \
  75     "type = unsigned char" \
  76     "whatis unsigned char"
  77
  78 gdb_test "whatis v_short" \
  79     "type = (short|short int)" \
  80     "whatis short"
  81
  82 gdb_test "whatis v_signed_short" \
  83     "type = (short|short int|signed short|signed short int)" \
  84     "whatis signed short"
  85
  86 gdb_test "whatis v_unsigned_short" \
  87     "type = (unsigned short|short unsigned int)" \
  88     "whatis unsigned short"
  89
  90 gdb_test "whatis v_int" \
  91     "type = int" \
  92     "whatis int"
  93
  94 gdb_test "whatis v_signed_int" \
  95     "type = (signed |)int" \
  96     "whatis signed int"
  97
  98 gdb_test "whatis v_unsigned_int" \
  99     "type = unsigned int" \
 100     "whatis unsigned int"
 101
 102 setup_xfail_on_long_vs_int
 103 # AIX xlc gets this wrong and unsigned long right.  Go figure.
 104 if {!$gcc_compiled} then {setup_xfail "rs6000-*-aix*"}
 105 gdb_test "whatis v_long" \
 106     "type = (long|long int)" \
 107     "whatis long"
 108
 109 setup_xfail_on_long_vs_int
 110 # AIX xlc gets this wrong and unsigned long right.  Go figure.
 111 if {!$gcc_compiled} then {setup_xfail "rs6000-*-aix*"}
 112 gdb_test "whatis v_signed_long" \
 113     "type = (signed |)(long|long int)" \
 114     "whatis signed long"
 115
 116 setup_xfail_on_long_vs_int
 117 gdb_test "whatis v_unsigned_long" \
 118     "type = (unsigned long|long unsigned int)" \
 119     "whatis unsigned long"
 120
 121
 122 if ![target_info exists no_long_long] {
 123     gdb_test "whatis v_unsigned_long_long" \
 124         "type = (unsigned long long|long long unsigned int)" \
 125         "whatis unsigned long long"
 126 }
 127
 128 gdb_test "whatis v_float" \
 129     "type = float" \
 130     "whatis float"
 131
 132 gdb_test "whatis v_double" \
 133     "type = double" \
 134     "whatis double"
 135
 136
 137 # test whatis command with arrays
 138 #
 139 # We already tested whether char prints as "char", so here we accept
 140 # "unsigned char", "signed char", and other perversions.  No need for more
 141 # than one xfail for the same thing.
 142 gdb_test "whatis v_char_array" \
 143     "type = (signed |unsigned |)char \\\[2\\\]" \
 144     "whatis char array"
 145
 146 gdb_test "whatis v_signed_char_array" \
 147     "type = (signed |unsigned |)char \\\[2\\\]" \
 148     "whatis signed char array"
 149
 150 gdb_test "whatis v_unsigned_char_array" \
 151     "type = unsigned char \\\[2\\\]" \
 152     "whatis unsigned char array"
 153
 154 gdb_test "whatis v_short_array" \
 155     "type = (short|short int) \\\[2\\\]" \
 156     "whatis short array"
 157
 158 gdb_test "whatis v_signed_short_array" \
 159     "type = (signed |)(short|short int) \\\[2\\\]" \
 160     "whatis signed short array"
 161
 162 gdb_test "whatis v_unsigned_short_array" \
 163     "type = (unsigned short|short unsigned int) \\\[2\\\]" \
 164     "whatis unsigned short array"
 165
 166 gdb_test "whatis v_int_array" \
 167     "type = int \\\[2\\\]" \
 168     "whatis int array"
 169
 170 gdb_test "whatis v_signed_int_array" \
 171     "type = (signed |)int \\\[2\\\]" \
 172     "whatis signed int array"
 173
 174 gdb_test "whatis v_unsigned_int_array" \
 175     "type = unsigned int \\\[2\\\]" \
 176     "whatis unsigned int array"
 177
 178 # We already tested whether long prints as long, so here we accept int
 179 # No need for more than one xfail for the same thing.
 180 gdb_test "whatis v_long_array" \
 181     "type = (int|long|long int) \\\[2\\\]" \
 182     "whatis long array"
 183
 184 gdb_test "whatis v_signed_long_array" \
 185     "type = (signed |)(int|long|long int) \\\[2\\\]" \
 186     "whatis signed long array"
 187
 188 gdb_test "whatis v_unsigned_long_array" \
 189     "type = (unsigned (int|long|long int)|long unsigned int) \\\[2\\\]" \
 190     "whatis unsigned long array"
 191
 192 if ![target_info exists no_long_long] {
 193     gdb_test "whatis v_unsigned_long_long_array" \
 194         "type = (unsigned long long|long long unsigned int) \\\[2\\\]" \
 195         "whatis unsigned long array"
 196 }
 197
 198 gdb_test "whatis v_float_array" \
 199     "type = float \\\[2\\\]" \
 200     "whatis float array"
 201
 202 gdb_test "whatis v_double_array" \
 203     "type = double \\\[2\\\]" \
 204     "whatis double array"
 205
 206
 207 # test whatis command with pointers
 208 #
 209 # We already tested whether char prints as char, so accept various perversions
 210 # here.  We especially want to make sure we test that it doesn't print as
 211 # caddr_t.
 212 gdb_test "whatis v_char_pointer" \
 213     "type = (unsigned |signed |)char \\*" \
 214     "whatis char pointer"
 215
 216 gdb_test "whatis v_signed_char_pointer" \
 217     "type = (unsigned |signed |)char \\*" \
 218     "whatis signed char pointer"
 219
 220 gdb_test "whatis v_unsigned_char_pointer" \
 221     "type = unsigned char \\*" \
 222     "whatis unsigned char pointer"
 223
 224 gdb_test "whatis v_short_pointer" \
 225     "type = (short|short int) \\*" \
 226     "whatis short pointer"
 227
 228 gdb_test "whatis v_signed_short_pointer" \
 229     "type = (signed |)(short|short int) \\*" \
 230     "whatis signed short pointer"
 231
 232 gdb_test "whatis v_unsigned_short_pointer" \
 233     "type = (unsigned short|short unsigned int) \\*" \
 234     "whatis unsigned short pointer"
 235
 236 gdb_test "whatis v_int_pointer" \
 237     "type = int \\*" \
 238     "whatis int pointer"
 239
 240 gdb_test "whatis v_signed_int_pointer" \
 241     "type = (signed |)int \\*" \
 242     "whatis signed int pointer"
 243
 244 gdb_test "whatis v_unsigned_int_pointer" \
 245     "type = unsigned int \\*" \
 246     "whatis unsigned int pointer"
 247
 248 # We already tested whether long prints as long, so here we accept int
 249 gdb_test "whatis v_long_pointer" \
 250     "type = (long|int|long int) \\*" \
 251     "whatis long pointer"
 252
 253 gdb_test "whatis v_signed_long_pointer" \
 254     "type = (signed |)(long|int|long int) \\*" \
 255     "whatis signed long pointer"
 256
 257 gdb_test "whatis v_unsigned_long_pointer" \
 258     "type = (unsigned (int|long|long int)|long unsigned int) \\*" \
 259     "whatis unsigned long pointer"
 260
 261 if ![target_info exists no_long_long] {
 262     gdb_test "whatis v_long_long_pointer" \
 263         "type = long long(| int) \\*" \
 264         "whatis long long pointer"
 265
 266     gdb_test "whatis v_signed_long_long_pointer" \
 267         "type = (signed |)long long(| int) \\*" \
 268         "whatis signed long long pointer"
 269
 270     gdb_test "whatis v_unsigned_long_long_pointer" \
 271         "type = (unsigned long long|long long unsigned int) \\*" \
 272         "whatis unsigned long long pointer"
 273 }
 274
 275 gdb_test "whatis v_float_pointer" \
 276     "type = float \\*" \
 277     "whatis float pointer"
 278
 279 gdb_test "whatis v_double_pointer" \
 280     "type = double \\*" \
 281     "whatis double pointer"
 282
 283
 284 # test whatis command with structure types
 285 gdb_test "whatis v_struct1" \
 286     "type = struct t_struct" \
 287     "whatis named structure"
 288
 289 gdb_test "whatis struct t_struct" \
 290     "type = struct t_struct" \
 291     "whatis named structure using type name"
 292
 293 gdb_test "whatis v_struct2" \
 294     "type = struct \{\.\.\.\}" \
 295     "whatis unnamed structure"
 296
 297 gdb_test "whatis &v_struct1" \
 298     "type = struct t_struct \\*"
 299
 300 gdb_test "whatis &v_struct2" \
 301     "type = struct {\\.\\.\\.} \\*"
 302
 303 gdb_test "whatis v_struct_ptr1" \
 304     "type = struct t_struct \\*"
 305
 306 gdb_test "whatis v_struct_ptr2" \
 307     "type = struct {\\.\\.\\.} \\*"
 308
 309 gdb_test "whatis &v_struct_ptr1" \
 310     "type = struct t_struct \\*\\*"
 311
 312 gdb_test "whatis &v_struct_ptr2" \
 313     "type = struct {\\.\\.\\.} \\*\\*"
 314
 315 gdb_test "whatis v_struct1.v_char_member" \
 316     "type = char"
 317
 318 gdb_test "whatis v_struct2.v_char_member" \
 319     "type = char"
 320
 321 gdb_test "whatis v_struct_ptr1->v_char_member" \
 322     "type = char"
 323
 324 gdb_test "whatis v_struct_ptr2->v_char_member" \
 325     "type = char"
 326
 327 gdb_test "whatis &(v_struct1.v_char_member)" \
 328     "type = char \\*"
 329
 330 gdb_test "whatis &(v_struct2.v_char_member)" \
 331     "type = char \\*"
 332
 333 gdb_test "whatis &(v_struct_ptr1->v_char_member)" \
 334     "type = char \\*"
 335
 336 gdb_test "whatis &(v_struct_ptr2->v_char_member)" \
 337     "type = char \\*"
 338
 339 # test whatis command with union types
 340 gdb_test "whatis v_union" \
 341     "type = union t_union" \
 342     "whatis named union"
 343
 344 gdb_test "whatis union t_union" \
 345     "type = union t_union" \
 346     "whatis named union using type name"
 347
 348 gdb_test "whatis v_union2" \
 349     "type = union \{\.\.\.\}" \
 350     "whatis unnamed union"
 351
 352 gdb_test "whatis &v_union" \
 353     "type = union t_union \\*"
 354
 355 gdb_test "whatis &v_union2" \
 356     "type = union {\\.\\.\\.} \\*"
 357
 358 gdb_test "whatis v_union_ptr" \
 359     "type = union t_union \\*"
 360
 361 gdb_test "whatis v_union_ptr2" \
 362     "type = union {\\.\\.\\.} \\*"
 363
 364 gdb_test "whatis &v_union_ptr" \
 365     "type = union t_union \\*\\*"
 366
 367 gdb_test "whatis &v_union_ptr2" \
 368     "type = union {\\.\\.\\.} \\*\\*"
 369
 370 gdb_test "whatis v_union.v_char_member" \
 371     "type = char"
 372
 373 gdb_test "whatis v_union2.v_char_member" \
 374     "type = char"
 375
 376 gdb_test "whatis v_union_ptr->v_char_member" \
 377     "type = char"
 378
 379 gdb_test "whatis v_union_ptr2->v_char_member" \
 380     "type = char"
 381
 382 gdb_test "whatis &(v_union.v_char_member)" \
 383     "type = char \\*"
 384
 385 gdb_test "whatis &(v_union2.v_char_member)" \
 386     "type = char \\*"
 387
 388 gdb_test "whatis &(v_union_ptr->v_char_member)" \
 389     "type = char \\*"
 390
 391 gdb_test "whatis &(v_union_ptr2->v_char_member)" \
 392     "type = char \\*"
 393
 394
 395 # Using stabs we will mark these functions as prototyped.  This
 396 # is harmless but causes an extra VOID to be printed.
 397 set void "(void|)"
 398
 399 # test whatis command with functions return type
 400 gdb_test "whatis v_char_func" \
 401     "type = (signed |unsigned |)char \\($void\\)" \
 402     "whatis char function"
 403
 404 gdb_test "whatis v_signed_char_func" \
 405     "type = (signed |unsigned |)char \\($void\\)" \
 406     "whatis signed char function"
 407
 408 gdb_test "whatis v_unsigned_char_func" \
 409     "type = unsigned char \\($void\\)"  \
 410     "whatis unsigned char function"
 411
 412 gdb_test "whatis v_short_func" \
 413     "type = short (int |)\\($void\\)" \
 414     "whatis short function"
 415
 416 gdb_test "whatis v_signed_short_func" \
 417     "type = (signed |)short (int |)\\($void\\)" \
 418     "whatis signed short function"
 419
 420 gdb_test "whatis v_unsigned_short_func" \
 421     "type = (unsigned short|short unsigned int) \\($void\\)" \
 422     "whatis unsigned short function"
 423
 424 gdb_test "whatis v_int_func" \
 425     "type = int \\($void\\)" \
 426     "whatis int function"
 427
 428 gdb_test "whatis v_signed_int_func" \
 429     "type = (signed |)int \\($void\\)" \
 430     "whatis signed int function"
 431
 432 gdb_test "whatis v_unsigned_int_func" \
 433     "type = unsigned int \\($void\\)" \
 434     "whatis unsigned int function"
 435
 436 gdb_test "whatis v_long_func" \
 437     "type = (long|int|long int) \\($void\\)" \
 438     "whatis long function"
 439
 440 gdb_test "whatis v_signed_long_func" \
 441     "type = (signed |)(int|long|long int) \\($void\\)" \
 442     "whatis signed long function"
 443
 444 gdb_test "whatis v_unsigned_long_func" \
 445     "type = (unsigned (int|long|long int)|long unsigned int) \\($void\\)" \
 446     "whatis unsigned long function"
 447
 448 if ![target_info exists no_long_long] {
 449     gdb_test "whatis v_long_long_func" \
 450         "type = long long(| int) \\($void\\)" \
 451         "whatis long long function"
 452
 453     gdb_test "whatis v_signed_long_long_func" \
 454         "type = (signed |)long long(| int) \\($void\\)" \
 455         "whatis signed long long function"
 456
 457     gdb_test "whatis v_unsigned_long_long_func" \
 458         "type = (unsigned long long(| int)|long long unsigned int) \\($void\\)" \
 459         "whatis unsigned long long function"
 460 }
 461
 462 # Sun /bin/cc calls this a function returning double.
 463 if {!$gcc_compiled} then {setup_xfail "*-sun-sunos4*"}
 464 gdb_test "whatis v_float_func" \
 465     "type = float \\($void\\)" \
 466     "whatis float function"
 467
 468 gdb_test "whatis v_double_func" \
 469     "type = double \\($void\\)" \
 470     "whatis double function" \
 471
 472
 473 # test whatis command with some misc complicated types
 474 gdb_test "whatis s_link" \
 475     "type = struct link \\*" \
 476     "whatis complicated structure"
 477
 478 gdb_test "whatis u_link" \
 479     "type = union tu_link" \
 480     "whatis complicated union"
 481
 482
 483 # test whatis command with enumerations
 484 gdb_test "whatis clunker" \
 485     "type = enum cars" \
 486     "whatis enumeration"
 487
 488 gdb_test "whatis enum cars" \
 489     "type = enum cars" \
 490     "whatis enumeration using type name"
 491
 492
 493 # test whatis command with nested struct and union
 494 gdb_test "whatis nested_su" \
 495     "type = struct outer_struct" \
 496     "whatis outer structure"
 497
 498 gdb_test "whatis nested_su.outer_int" \
 499     "type = int" \
 500     "whatis outer structure member"
 501
 502 gdb_test "whatis nested_su.inner_struct_instance" \
 503     "type = struct inner_struct" \
 504     "whatis inner structure"
 505
 506 gdb_test "whatis nested_su.inner_struct_instance.inner_int" \
 507     "type = int" \
 508     "whatis inner structure member"
 509
 510 gdb_test "whatis nested_su.inner_union_instance" \
 511     "type = union inner_union" \
 512     "whatis inner union"
 513
 514 gdb_test "whatis nested_su.inner_union_instance.inner_union_int" \
 515     "type = int" \
 516     "whatis inner union member"
 517
 518 # test whatis command with typedefs
 519
 520 gdb_test "whatis char_addr" \
 521     "type = char \\*" \
 522     "whatis using typedef type name"
 523
 524 gdb_test "whatis a_char_addr" \
 525     "type = char_addr" \
 526     "whatis applied to variable defined by typedef"
 527
 528 # Regression tests for PR 9514.
 529
 530 gdb_test "whatis void (**)()" \
 531   "type = void \\(\\*\\*\\)\\(\\)" \
 532   "whatis applied to pointer to pointer to function"
 533
 534 gdb_test "whatis void (** const)()" \
 535   "type = void \\(\\*\\* const\\)\\(\\)" \
 536   "whatis applied to const pointer to pointer to function"
 537
 538 gdb_test "whatis void (* const *)()" \
 539   "type = void \\(\\* const \\*\\)\\(\\)" \
 540   "whatis applied to pointer to const pointer to function"
 541
 542 gdb_test "whatis int *(*)()" \
 543     "type = int \\*\\(\\*\\)\\(\\)" \
 544     "whatis applied to pointer to function returning pointer to int"
 545
 546 gdb_test "whatis int *(**)()" \
 547     "type = int \\*\\(\\*\\*\\)\\(\\)" \
 548     "whatis applied to pointer to pointer to function returning pointer to int"
 549
 550 gdb_test "whatis char (*(*)())\[23\]" \
 551     "type = char \\(\\*\\(\\*\\)\\(\\)\\)\\\[23\\\]" \
 552     "whatis applied to pointer to function returning pointer to array"
 553
 554 gdb_test "whatis int (*)(int, int)" \
 555     "type = int \\(\\*\\)\\(int, int\\)" \
 556     "whatis applied to pointer to function taking int,int and returning int"
 557
 558 gdb_test "whatis int (*)(const int *, ...)" \
 559     "type = int \\(\\*\\)\\(const int \\*, \\.\\.\\.\\)" \
 560     "whatis applied to pointer to function taking const int ptr and varargs and returning int"
 561
 562 gdb_test "whatis int (*)(void, int, int)" \
 563     "parameter types following 'void'" \
 564     "whatis applied to function with types trailing 'void'"
 565
 566 gdb_test "whatis int (*)(int, void, int)" \
 567     "'void' invalid as parameter type" \
 568     "whatis applied to function with 'void' parameter type"