gdb/testsuite/gdb.mi/mi-var-cmd.exp

   1 # Copyright 1999, 2000, 2001, 2002, 2004, 2005, 2007
   2 # Free Software Foundation, Inc.
   3 #
   4 # This Program Is Free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 # Test essential Machine interface (MI) operations
  19 #
  20 # Verify that, using the MI, we can create, update, delete variables.
  21 #
  22
  23
  24 load_lib mi-support.exp
  25 set MIFLAGS "-i=mi"
  26
  27 gdb_exit
  28 if [mi_gdb_start] {
  29     continue
  30 }
  31
  32 set testfile "var-cmd"
  33 set srcfile ${testfile}.c
  34 set binfile ${objdir}/${subdir}/${testfile}
  35 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DFAKEARGV}] != "" } {
  36     untested mi-var-cmd.exp
  37     return -1
  38 }
  39
  40 mi_delete_breakpoints
  41 mi_gdb_reinitialize_dir $srcdir/$subdir
  42 mi_gdb_load ${binfile}
  43
  44
  45 #####                   #####
  46 #                           #
  47 #  Variable Creation tests  #
  48 #                           #
  49 #####                   #####
  50
  51 # Test:  c_variable-1.1
  52 # Desc:  Create global variable
  53
  54 mi_gdb_test "111-var-create global_simple * global_simple" \
  55         "111\\^done,name=\"global_simple\",numchild=\"6\",type=\"simpleton\"" \
  56         "create global variable"
  57
  58 # Test: c_variable-1.2
  59 # Desc: Create non-existent variable
  60
  61 mi_gdb_test "112-var-create bogus_unknown_variable * bogus_unknown_variable" \
  62         "&\"mi_cmd_var_create: unable to create variable object\\\\n\".*112\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
  63         "create non-existent variable"
  64
  65 # Test: c_variable-1.3
  66 # Desc: Create out of scope variable
  67
  68 mi_gdb_test "113-var-create argc * argc" \
  69         "&\"mi_cmd_var_create: unable to create variable object\\\\n\".*113\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
  70         "create out of scope variable"
  71
  72 mi_runto do_locals_tests
  73
  74 # Test: c_variable-1.4
  75 # Desc: create local variables
  76
  77 mi_gdb_test "-var-create linteger * linteger" \
  78         "\\^done,name=\"linteger\",numchild=\"0\",type=\"int\"" \
  79         "create local variable linteger"
  80
  81 mi_gdb_test "-var-create lpinteger * lpinteger" \
  82         "\\^done,name=\"lpinteger\",numchild=\"1\",type=\"int \\*\"" \
  83         "create local variable lpinteger"
  84
  85 mi_gdb_test "-var-create lcharacter * lcharacter" \
  86         "\\^done,name=\"lcharacter\",numchild=\"0\",type=\"char\"" \
  87         "create local variablelcharacter "
  88
  89 mi_gdb_test "-var-create lpcharacter * lpcharacter" \
  90         "\\^done,name=\"lpcharacter\",numchild=\"1\",type=\"char \\*\"" \
  91         "create local variable lpcharacter"
  92
  93 mi_gdb_test "-var-create llong * llong" \
  94         "\\^done,name=\"llong\",numchild=\"0\",type=\"long int\"" \
  95         "create local variable llong"
  96
  97 mi_gdb_test "-var-create lplong * lplong" \
  98         "\\^done,name=\"lplong\",numchild=\"1\",type=\"long int \\*\"" \
  99         "create local variable lplong"
 100
 101 mi_gdb_test "-var-create lfloat * lfloat" \
 102         "\\^done,name=\"lfloat\",numchild=\"0\",type=\"float\"" \
 103         "create local variable lfloat"
 104
 105 mi_gdb_test "-var-create lpfloat * lpfloat" \
 106         "\\^done,name=\"lpfloat\",numchild=\"1\",type=\"float \\*\"" \
 107         "create local variable lpfloat"
 108
 109 mi_gdb_test "-var-create ldouble * ldouble" \
 110         "\\^done,name=\"ldouble\",numchild=\"0\",type=\"double\"" \
 111         "create local variable ldouble"
 112
 113 mi_gdb_test "-var-create lpdouble * lpdouble" \
 114         "\\^done,name=\"lpdouble\",numchild=\"1\",type=\"double \\*\"" \
 115         "create local variable lpdouble"
 116
 117 mi_gdb_test "-var-create lsimple * lsimple" \
 118         "\\^done,name=\"lsimple\",numchild=\"6\",type=\"struct _simple_struct\"" \
 119         "create local variable lsimple"
 120
 121 mi_gdb_test "-var-create lpsimple * lpsimple" \
 122         "\\^done,name=\"lpsimple\",numchild=\"6\",type=\"struct _simple_struct \\*\"" \
 123         "create local variable lpsimple"
 124
 125 mi_gdb_test "-var-create func * func" \
 126         "\\^done,name=\"func\",numchild=\"0\",type=\"void \\(\\*\\)\\((void|)\\)\"" \
 127         "create local variable func"
 128
 129 # Test: c_variable-1.5
 130 # Desc: create lsimple.character
 131 mi_gdb_test "-var-create lsimple.character * lsimple.character" \
 132         "\\^done,name=\"lsimple.character\",numchild=\"0\",type=\"char\"" \
 133         "create lsimple.character"
 134
 135 # Test: c_variable-1.6
 136 # Desc: create lpsimple->integer
 137 mi_gdb_test "-var-create lsimple->integer * lsimple->integer" \
 138         "\\^done,name=\"lsimple->integer\",numchild=\"0\",type=\"int\"" \
 139         "create lsimple->integer"
 140
 141 # Test: c_variable-1.7
 142 # Desc: ceate lsimple.integer
 143 mi_gdb_test "-var-create lsimple.integer * lsimple.integer" \
 144         "\\^done,name=\"lsimple.integer\",numchild=\"0\",type=\"int\"" \
 145         "create lsimple->integer"
 146
 147
 148 # Test: c_variable-1.9
 149 # Desc: create type name
 150 #    Type names (like int, long, etc..) are all proper expressions to gdb.
 151 #    make sure variable code does not allow users to create variables, though.
 152 mi_gdb_test "-var-create int * int" \
 153         "&\"Attempt to use a type name as an expression.\\\\n\".*&\"mi_cmd_var_create: unable to create variable object\\\\n\".*\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
 154         "create int"
 155
 156
 157 #####             #####
 158 #                     #
 159 # Value changed tests #
 160 #                     #
 161 #####             #####
 162
 163 # Test: c_variable-2.1
 164 # Desc: check whether values changed at do_block_tests
 165 mi_gdb_test "-var-update *" \
 166         "\\^done,changelist=\\\[\\\]" \
 167         "update all vars"
 168
 169 # Step over "linteger = 1234;"
 170 set line_dlt_linteger [gdb_get_line_number "lpinteger = &linteger;"]
 171 mi_step_to "do_locals_tests" "" "var-cmd.c" $line_dlt_linteger "step at do_locals_test"
 172
 173 # Test: c_variable-2.2
 174 # Desc: check whether only linteger changed values
 175 mi_gdb_test "-var-update *" \
 176         "\\^done,changelist=\\\[\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 177         "update all vars: linteger changed"
 178
 179 # Step over "lpinteger = &linteger;"
 180 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 1] "step at do_locals_tests (2)"
 181
 182 # Test: c_variable-2.3
 183 # Desc: check whether only lpinteger changed
 184 mi_gdb_test "-var-update *" \
 185         "\\^done,changelist=\\\[\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 186         "update all vars: lpinteger changed"
 187
 188 # Step over "lcharacter = 'a';"
 189 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 2] "step at do_locals_tests (3)"
 190
 191 # Test: c_variable-2.4
 192 # Desc: check whether only lcharacter changed
 193 mi_gdb_test "-var-update *" \
 194         "\\^done,changelist=\\\[\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 195         "update all vars: lcharacter changed"
 196
 197 # Step over "lpcharacter = &lcharacter;"
 198 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 3] "step at do_locals_tests (4)"
 199
 200 # Test: c_variable-2.5
 201 # Desc: check whether only lpcharacter changed
 202 mi_gdb_test "-var-update *" \
 203         "\\^done,changelist=\\\[\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 204         "update all vars: lpcharacter changed"
 205
 206
 207 # Step over:
 208 #  llong = 2121L;
 209 #  lplong = &llong;
 210 #  lfloat = 2.1;
 211 #  lpfloat = &lfloat;
 212 #  ldouble = 2.718281828459045;
 213 #  lpdouble = &ldouble;
 214 #  lsimple.integer = 1234;
 215 #  lsimple.unsigned_integer = 255;
 216 #  lsimple.character = 'a';
 217
 218 mi_execute_to "exec-step 9" "end-stepping-range" "do_locals_tests" "" \
 219         "var-cmd.c" [expr $line_dlt_linteger + 12] "" "step at do_locals_tests (5)"
 220
 221 # Test: c_variable-2.6
 222 # Desc: check whether llong, lplong, lfloat, lpfloat, ldouble, lpdouble, lsimple.integer,
 223 #       lsimple.unsigned_character lsimple.integer lsimple.character changed
 224 mi_gdb_test "-var-update *" \
 225         "\\^done,changelist=\\\[\{name=\"lsimple.integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple->integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple.character\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lpdouble\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"ldouble\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lpfloat\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lfloat\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lplong\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"llong\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 226         "update all vars: many changed"
 227
 228 # Step over:
 229 #  lsimple.signed_character = 21;
 230 #  lsimple.char_ptr = &lcharacter;
 231 #  lpsimple = &lsimple;
 232 #  func = nothing;
 233
 234 set line_dlt_4321 [gdb_get_line_number "linteger = 4321;"]
 235
 236 mi_execute_to "exec-step 4" "end-stepping-range" "do_locals_tests" "" \
 237         "var-cmd.c" $line_dlt_4321 "" "step at do_locals_tests (6)"
 238
 239 # Test: c_variable-2.7
 240 # Desc: check whether (lsimple.signed_character, lsimple.char_ptr) lpsimple, func changed
 241 mi_gdb_test "-var-update *" \
 242         "\\^done,changelist=\\\[\{name=\"func\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lpsimple\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 243         "update all vars: func and lpsimple changed"
 244
 245 # Step over
 246 #  linteger = 4321;
 247 #  lcharacter = 'b';
 248 #  llong = 1212L;
 249 #  lfloat = 1.2;
 250 #  ldouble = 5.498548281828172;
 251 #  lsimple.integer = 255;
 252 #  lsimple.unsigned_integer = 4321;
 253 #  lsimple.character = 'b';
 254
 255 mi_execute_to "exec-step 8" "end-stepping-range" "do_locals_tests" "" \
 256         "var-cmd.c" [expr $line_dlt_4321 + 8] "" "step at do_locals_tests (7)"
 257
 258 # Test: c_variable-2.8
 259 # Desc: check whether linteger, lcharacter, llong, lfoat, ldouble, lsimple.integer,
 260 #       lpsimple.integer lsimple.character changed
 261 # Note: this test also checks that lpsimple->integer and lsimple.integer have
 262 #       changed (they are the same)
 263 mi_gdb_test "-var-update *" \
 264         "\\^done,changelist=\\\[\{name=\"lsimple.integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple->integer\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lsimple.character\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"ldouble\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lfloat\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"llong\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 265         "update all vars: lsimple and others changed"
 266
 267
 268 ###
 269 #
 270 # Test assignment to variables. More tests on assignment are in other files.
 271 #
 272 ###
 273 mi_gdb_test "-var-assign global_simple 0" \
 274         "&\"mi_cmd_var_assign: Variable object is not editable\\\\n\".*\\^error,msg=\"mi_cmd_var_assign: Variable object is not editable\"" \
 275         "assign to global_simple"
 276
 277 mi_gdb_test "-var-assign linteger 3333" \
 278         "\\^done,value=\"3333\"" \
 279         "assign to linteger"
 280
 281 # Allow lpcharacter to update, optionally.  Because it points to a
 282 # char variable instead of a zero-terminated string, if linteger is
 283 # directly after it in memory the printed characters may appear to
 284 # change.
 285 set lpchar_update "\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\},"
 286 mi_gdb_test "-var-update *" \
 287         "\\^done,changelist=\\\[($lpchar_update)?\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 288         "update all vars: linteger changed after assign"
 289
 290 mi_gdb_test "-var-assign linteger 3333" \
 291         "\\^done,value=\"3333\"" \
 292         "assign to linteger again, same value"
 293
 294 mi_gdb_test "-var-update *" \
 295         "\\^done,changelist=\\\[\\\]" \
 296         "update all vars: linteger not changed after same assign"
 297
 298 mi_gdb_test "-var-evaluate-expression linteger" \
 299         "\\^done,value=\"3333\"" \
 300         "eval linteger"
 301
 302 mi_gdb_test "-var-assign lpinteger \"&linteger + 3\"" \
 303         "\\^done,value=\"$hex\"" \
 304         "assign to lpinteger"
 305
 306 mi_gdb_test "-var-update *" \
 307         "\\^done,changelist=\\\[\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 308         "update all vars: lpinteger changed after assign"
 309
 310 mi_gdb_test "-var-update *" \
 311         "\\^done,changelist=\\\[\\\]" \
 312         "update all vars: no changes on second update"
 313
 314 mi_gdb_test "-var-evaluate-expression lpinteger" \
 315         "\\^done,value=\"$hex\"" \
 316         "eval lpinteger"
 317
 318 # reset the values to the original ones so that the rest of the file doesn't suffer.
 319
 320 mi_gdb_test "-var-assign linteger 4321" \
 321         "\\^done,value=\"4321\"" \
 322         "assign to linteger"
 323
 324 mi_gdb_test "-var-assign lpinteger &linteger" \
 325         "\\^done,value=\"$hex\"" \
 326         "assign to lpinteger"
 327
 328 mi_gdb_test "-var-assign lcharacter 'z'" \
 329         "\\^done,value=\"122 'z'\"" \
 330         "assign to lcharacter"
 331
 332 mi_gdb_test "-var-evaluate-expression lcharacter" \
 333         "\\^done,value=\"122 'z'\"" \
 334         "eval lcharacter"
 335
 336 mi_gdb_test "-var-assign llong 1313L" \
 337         "\\^done,value=\"1313\"" \
 338         "assign to llong"
 339 mi_gdb_test "-var-evaluate-expression llong" \
 340         "\\^done,value=\"1313\"" \
 341         "eval llong"
 342 mi_gdb_test "-var-assign llong 1212L" \
 343         "\\^done,value=\"1212\"" \
 344         "assign to llong"
 345
 346 mi_gdb_test "-var-assign lplong &llong+4" \
 347         "\\^done,value=\"$hex\"" \
 348         "assign to lplong"
 349 mi_gdb_test "-var-evaluate-expression lplong" \
 350         "\\^done,value=\"$hex\"" \
 351         "eval lplong"
 352 mi_gdb_test "-var-assign lplong &llong" \
 353         "\\^done,value=\"$hex\"" \
 354         "assign to lplong"
 355
 356 mi_gdb_test "-var-assign lfloat 3.4567" \
 357         "\\^done,value=\"3.45.*\"" \
 358         "assign to lfloat"
 359 mi_gdb_test "-var-evaluate-expression lfloat" \
 360         "\\^done,value=\"3.45.*\"" \
 361         "eval lfloat"
 362 mi_gdb_test "-var-assign lfloat 1.2345" \
 363         "\\^done,value=\"1.23.*\"" \
 364         "assign to lfloat"
 365
 366 mi_gdb_test "-var-assign lpfloat &lfloat+4" \
 367         "\\^done,value=\"$hex\"" \
 368         "assign to lpfloat"
 369
 370 mi_gdb_test "-var-assign ldouble 5.333318284590435" \
 371         "\\^done,value=\"5.333318284590435\"" \
 372         "assign to ldouble"
 373
 374 mi_gdb_test "-var-assign func do_block_tests" \
 375         "\\^done,value=\"$hex <do_block_tests>\"" \
 376         "assign to func"
 377
 378 mi_gdb_test "-var-assign lsimple.character 'd'" \
 379         "\\^done,value=\"100 'd'\"" \
 380         "assign to lsimple.character"
 381
 382 mi_gdb_test "-var-assign  lsimple->integer 222" \
 383         "\\^done,value=\"222\"" \
 384         "assign to lsimple->integer"
 385
 386 mi_gdb_test "-var-assign lsimple.integer 333" \
 387         "\\^done,value=\"333\"" \
 388         "assign to lsimple.integer"
 389
 390 mi_gdb_test "-var-update *" \
 391         "\\^done,changelist=.*" \
 392         "var update"
 393
 394 # Check that assignment of function and array values
 395 # promotes the assigned value to function pointer/data
 396 # pointer before comparing with the existing value,
 397 # and does not incorrectly make the value as changed.
 398 mi_gdb_test "-var-assign func do_block_tests" \
 399         "\\^done,value=\"$hex <do_block_tests>\"" \
 400         "assign same value to func"
 401
 402 mi_gdb_test "-var-update *" \
 403         "\\^done,changelist=\\\[\\\]" \
 404         "assign same value to func (update)"
 405
 406 mi_gdb_test "-var-create array_ptr * array_ptr" \
 407         "\\^done,name=\"array_ptr\",numchild=\"1\",type=\"int \\*\"" \
 408         "create global variable array_ptr"
 409
 410 mi_gdb_test "-var-assign array_ptr array2" \
 411         "\\^done,value=\"$hex\"" \
 412         "assign array to pointer"
 413
 414 mi_gdb_test "-var-update *" \
 415         "\\^done,changelist=\\\[\{name=\"array_ptr\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 416         "assign array to pointer (update)"
 417
 418 mi_gdb_test "-var-assign array_ptr array2" \
 419         "\\^done,value=\"$hex\"" \
 420         "assign same array to pointer"
 421
 422 mi_gdb_test "-var-update *" \
 423         "\\^done,changelist=\\\[\\\]" \
 424         "assign same array to pointer (update)"
 425
 426
 427 ######
 428 # End of assign tests
 429 #####
 430
 431 set line_subroutine1_body [gdb_get_line_number "global_simple.integer = i + 3;"]
 432
 433 mi_continue_to subroutine1
 434
 435 # Test: c_variable-2.10
 436 # Desc: create variable for locals i,l in subroutine1
 437 mi_gdb_test "-var-create i  * i" \
 438         "\\^done,name=\"i\",numchild=\"0\",type=\"int\"" \
 439         "create i"
 440
 441 mi_gdb_test "-var-create l * l" \
 442         "\\^done,name=\"l\",numchild=\"1\",type=\"long int \\*\"" \
 443         "create l"
 444
 445 # Test: c_variable-2.11
 446 # Desc: create do_locals_tests local in subroutine1
 447 mi_gdb_test "-var-create linteger * linteger" \
 448         "&\"mi_cmd_var_create: unable to create variable object\\\\n\".*\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
 449         "create linteger"
 450
 451 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 452         "var-cmd.c" [expr $line_subroutine1_body + 1] "step at subroutine1"
 453
 454 # Test: c_variable-2.12
 455 # Desc: change global_simple.integer
 456 # Note: This also tests whether we are reporting changes in structs properly.
 457 #       gdb normally would say that global_simple has changed, but we
 458 #       special case that, since it is not what a human expects to
 459 #       see.
 460
 461 setup_xfail *-*-*
 462 mi_gdb_test "-var-update *" \
 463         "\\^done,changelist=\{FIXME: WHAT IS CORRECT HERE\}" \
 464         "update all vars: changed FIXME"
 465 clear_xfail *-*-*
 466
 467 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 468         "var-cmd.c" [expr $line_subroutine1_body + 2] "step at subroutine1 (2)"
 469
 470 # Test: c_variable-2.13
 471 # Desc: change subroutine1 local i
 472 mi_gdb_test "-var-update *" \
 473         "\\^done,changelist=\\\[\{name=\"i\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 474         "update all vars: i changed"
 475
 476 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 477         "var-cmd.c" [expr $line_subroutine1_body + 3] "step at subroutine1 (3)"
 478
 479 # Test: c_variable-2.14
 480 # Desc: change do_locals_tests local llong
 481 mi_gdb_test "-var-update *" \
 482         "\\^done,changelist=\\\[\{name=\"llong\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 483         "update all vars: llong changed"
 484
 485 set line_dlt_call_subroutine1 [gdb_get_line_number "subroutine1 (linteger, &llong);"]
 486 mi_next_to "do_locals_tests" "" "var-cmd.c" \
 487   [expr $line_dlt_call_subroutine1 + 1] "next out of subroutine1"
 488
 489 # Test: c_variable-2.15
 490 # Desc: check for out of scope subroutine1 locals
 491 mi_gdb_test "-var-update *" \
 492         "\\^done,changelist=\\\[\{name=\"l\",in_scope=\"false\"\},\{name=\"i\",in_scope=\"false\"\}\\\]" \
 493         "update all vars: all now out of scope"
 494
 495 # Done with locals/globals tests. Erase all variables
 496 #delete_all_variables
 497 mi_gdb_test "-var-delete global_simple" \
 498         "\\^done,ndeleted=\"1\"" \
 499         "delete var"
 500
 501 mi_gdb_test "-var-delete linteger" \
 502         "\\^done,ndeleted=\"1\"" \
 503         "delete var linteger"
 504
 505 mi_gdb_test "-var-delete lpinteger" \
 506         "\\^done,ndeleted=\"1\"" \
 507         "delete var lpinteger"
 508
 509 mi_gdb_test "-var-delete lcharacter" \
 510         "\\^done,ndeleted=\"1\"" \
 511         "delete var lcharacter"
 512
 513 mi_gdb_test "-var-delete lpcharacter" \
 514         "\\^done,ndeleted=\"1\"" \
 515         "delete var lpcharacter"
 516
 517 mi_gdb_test "-var-delete llong" \
 518         "\\^done,ndeleted=\"1\"" \
 519         "delete var llong"
 520
 521 mi_gdb_test "-var-delete lplong" \
 522         "\\^done,ndeleted=\"1\"" \
 523         "delete var lplong"
 524
 525 mi_gdb_test "-var-delete lfloat" \
 526         "\\^done,ndeleted=\"1\"" \
 527         "delete var lfloat"
 528
 529 mi_gdb_test "-var-delete lpfloat" \
 530         "\\^done,ndeleted=\"1\"" \
 531         "delete var lpfloat"
 532
 533 mi_gdb_test "-var-delete ldouble" \
 534         "\\^done,ndeleted=\"1\"" \
 535         "delete var ldouble"
 536
 537 mi_gdb_test "-var-delete lpdouble" \
 538         "\\^done,ndeleted=\"1\"" \
 539         "delete var lpdouble"
 540
 541 mi_gdb_test "-var-delete lsimple" \
 542         "\\^done,ndeleted=\"1\"" \
 543         "delete var lsimple"
 544
 545 mi_gdb_test "-var-delete lpsimple" \
 546         "\\^done,ndeleted=\"1\"" \
 547         "delete var lpsimple"
 548
 549 mi_gdb_test "-var-delete func" \
 550         "\\^done,ndeleted=\"1\"" \
 551         "delete var func"
 552
 553 mi_gdb_test "-var-delete lsimple.character" \
 554         "\\^done,ndeleted=\"1\"" \
 555         "delete var lsimple.character"
 556
 557 mi_gdb_test "-var-delete  lsimple->integer" \
 558         "\\^done,ndeleted=\"1\"" \
 559         "delete var  lsimple->integer"
 560
 561 mi_gdb_test "-var-delete lsimple.integer" \
 562         "\\^done,ndeleted=\"1\"" \
 563         "delete var lsimple.integer"
 564
 565 mi_gdb_test "-var-delete i" \
 566         "\\^done,ndeleted=\"1\"" \
 567         "delete var i"
 568
 569 mi_gdb_test "-var-delete l" \
 570         "\\^done,ndeleted=\"1\"" \
 571         "delete var l"
 572
 573 # Test whether we can follow the name of a variable through multiple
 574 # stack frames.
 575 mi_continue_to do_special_tests
 576
 577 mi_gdb_test "-var-create selected_a @ a" \
 578   {\^done,name="selected_a",numchild="0",type="int"} \
 579   "create selected_a"
 580
 581 mi_continue_to incr_a
 582
 583 mi_gdb_test "-var-update selected_a" \
 584         "\\^done,changelist=\\\[\{name=\"selected_a\",in_scope=\"true\",new_type=\"char\",new_num_children=\"0\"\}\\\]" \
 585         "update selected_a in incr_a"
 586
 587 mi_next "step a line in incr_a"
 588 mi_next "return from incr_a to do_special_tests"
 589
 590 mi_gdb_test "-var-update selected_a" \
 591         "\\^done,changelist=\\\[\{name=\"selected_a\",in_scope=\"true\",new_type=\"int\",new_num_children=\"0\"\}\\\]" \
 592         "update selected_a in do_special_tests"
 593
 594 # Test whether bad varobjs crash GDB.
 595
 596 # A varobj we fail to read during -var-update should be considered
 597 # out of scope.
 598 mi_gdb_test "-var-create null_ptr * **0" \
 599     {\^done,name="null_ptr",numchild="0",type="int"} \
 600     "create null_ptr"
 601
 602 # Allow this to succeed, if address zero is readable, although it
 603 # will not test what it was meant to.  Most important is that GDB
 604 # does not crash.
 605 mi_gdb_test "-var-update null_ptr" \
 606     {\^done,changelist=\[{.*}\]} \
 607     "update null_ptr"
 608
 609 mi_gdb_test "-var-delete null_ptr" \
 610     "\\^done,ndeleted=\"1\"" \
 611     "delete null_ptr"
 612
 613 # When we fail to read a varobj created from a named variable,
 614 # we evaluate its type instead.  Make sure that doesn't blow
 615 # up by trying to read it again.  We can use _end when not running
 616 # the program to simulate an unreadable variable, if this platform
 617 # provides _end, but cope if it's missing.
 618
 619 mi_gdb_test "kill" \
 620     {&"kill\\n".*\^done} \
 621     "kill program before endvar"
 622
 623 mi_gdb_test "-var-create endvar * _end" \
 624     {(\^done,name="endvar",numchild="0",type=".*"|&".*unable to.*".*\^error,msg=".*")} \
 625     "create endvar"
 626
 627 # Allow this to succeed whether the value is readable, unreadable, or
 628 # missing.  Most important is that GDB does not crash.
 629 mi_gdb_test "-var-update endvar" \
 630     {(\^done,changelist=\[.*\]|^".*".*\^error,msg=".*not found")} \
 631     "update endvar"
 632
 633 mi_gdb_test "-var-delete endvar" \
 634     "\\^done,ndeleted=\"1\"" \
 635     "delete endvar"
 636
 637 mi_gdb_exit
 638 return 0