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

   1 # Copyright 1999, 2000, 2001, 2002, 2004, 2005, 2007, 2008, 2009
   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 3 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, see <http://www.gnu.org/licenses/>.
  16
  17 # Test essential Machine interface (MI) operations
  18 #
  19 # Verify that, using the MI, we can create, update, delete variables.
  20 #
  21
  22
  23 load_lib mi-support.exp
  24 set MIFLAGS "-i=mi"
  25
  26 gdb_exit
  27 if [mi_gdb_start] {
  28     continue
  29 }
  30
  31 set testfile "var-cmd"
  32 set srcfile ${testfile}.c
  33 set binfile ${objdir}/${subdir}/mi-var-cmd
  34 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DFAKEARGV}] != "" } {
  35     untested mi-var-cmd.exp
  36     return -1
  37 }
  38
  39 mi_delete_breakpoints
  40 mi_gdb_reinitialize_dir $srcdir/$subdir
  41 mi_gdb_load ${binfile}
  42
  43
  44 #####                   #####
  45 #                           #
  46 #  Variable Creation tests  #
  47 #                           #
  48 #####                   #####
  49
  50 # Test:  c_variable-1.1
  51 # Desc:  Create global variable
  52
  53 mi_create_varobj "global_simple" "global_simple" "create global variable"
  54
  55 # Test: c_variable-1.2
  56 # Desc: Create non-existent variable
  57
  58 mi_gdb_test "112-var-create bogus_unknown_variable * bogus_unknown_variable" \
  59         "112\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
  60         "create non-existent variable"
  61
  62 # Test: c_variable-1.3
  63 # Desc: Create out of scope variable
  64
  65 mi_gdb_test "113-var-create argc * argc" \
  66         "113\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
  67         "create out of scope variable"
  68
  69 mi_runto do_locals_tests
  70
  71 set line_dlt_first_real [gdb_get_line_number "linteger = 1234;"]
  72
  73 mi_continue_to_line $line_dlt_first_real "step to real start of do_locals_test"
  74
  75
  76 # Test: c_variable-1.4
  77 # Desc: create local variables
  78
  79 mi_create_varobj_checked linteger linteger int "create local variable linteger"
  80
  81 mi_create_varobj_checked lpinteger lpinteger {int \*} "create local variable lpinteger"
  82
  83 mi_create_varobj_checked lcharacter lcharacter\[0\] char "create local variable lcharacter"
  84
  85 mi_create_varobj_checked lpcharacter lpcharacter {char \*} "create local variable lpcharacter"
  86
  87 mi_create_varobj_checked llong llong "long int" "create local variable llong"
  88
  89 mi_create_varobj_checked lplong lplong {long int \*} "create local variable lplong"
  90
  91 mi_create_varobj_checked lfloat lfloat float "create local variable lfloat"
  92
  93 mi_create_varobj_checked lpfloat lpfloat {float \*} "create local variable lpfloat"
  94
  95 mi_create_varobj_checked ldouble ldouble double "create local variable ldouble"
  96
  97 mi_create_varobj_checked lpdouble lpdouble {double \*} "create local variable lpdouble"
  98
  99 mi_create_varobj_checked lsimple lsimple "struct _simple_struct" "create local variable lsimple"
 100
 101 mi_create_varobj_checked lpsimple lpsimple {struct _simple_struct \*} "create local variable lpsimple"
 102
 103 mi_create_varobj_checked func func {void \(\*\)\((void|)\)} "create local variable func"
 104
 105 # Test: c_variable-1.5
 106 # Desc: create lsimple.character
 107 mi_create_varobj_checked lsimple.character lsimple.character "char" \
 108         "create lsimple.character"
 109
 110 # Test: c_variable-1.6
 111 # Desc: create lpsimple->integer
 112 mi_create_varobj_checked lsimple->integer lsimple->integer "int" \
 113         "create lsimple->integer"
 114
 115 # Test: c_variable-1.7
 116 # Desc: create lsimple.integer
 117 mi_create_varobj_checked lsimple.integer lsimple.integer "int" \
 118         "create lsimple.integer"
 119
 120
 121 # Test: c_variable-1.9
 122 # Desc: create type name
 123 #    Type names (like int, long, etc..) are all proper expressions to gdb.
 124 #    make sure variable code does not allow users to create variables, though.
 125 mi_gdb_test "-var-create int * int" \
 126         "&\"Attempt to use a type name as an expression.\\\\n\".*\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
 127         "create int"
 128
 129
 130 #####             #####
 131 #                     #
 132 # Value changed tests #
 133 #                     #
 134 #####             #####
 135
 136 # Test: c_variable-2.1
 137 # Desc: check whether values changed at do_block_tests
 138 mi_gdb_test "-var-update *" \
 139         "\\^done,changelist=\\\[\\\]" \
 140         "update all vars"
 141
 142 # Step over "linteger = 1234;"
 143 set line_dlt_linteger [gdb_get_line_number "lpinteger = &linteger;"]
 144 mi_step_to "do_locals_tests" "" "var-cmd.c" $line_dlt_linteger "step at do_locals_test"
 145
 146 # Test: c_variable-2.2
 147 # Desc: check whether only linteger changed values
 148 mi_gdb_test "-var-update *" \
 149         "\\^done,changelist=\\\[\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 150         "update all vars: linteger changed"
 151
 152 # Step over "lpinteger = &linteger;"
 153 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 1] "step at do_locals_tests (2)"
 154
 155 # Test: c_variable-2.3
 156 # Desc: check whether only lpinteger changed
 157 mi_gdb_test "-var-update *" \
 158         "\\^done,changelist=\\\[\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 159         "update all vars: lpinteger changed"
 160
 161 # Step over "lcharacter = 'a';"
 162 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 2] "step at do_locals_tests (3)"
 163
 164 # Test: c_variable-2.4
 165 # Desc: check whether only lcharacter changed
 166 mi_gdb_test "-var-update *" \
 167         "\\^done,changelist=\\\[\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 168         "update all vars: lcharacter changed"
 169
 170 # Step over "lpcharacter = &lcharacter;"
 171 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 3] "step at do_locals_tests (4)"
 172
 173 # Test: c_variable-2.5
 174 # Desc: check whether only lpcharacter changed
 175 mi_gdb_test "-var-update *" \
 176         "\\^done,changelist=\\\[\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 177         "update all vars: lpcharacter changed"
 178
 179
 180 # Step over:
 181 #  llong = 2121L;
 182 #  lplong = &llong;
 183 #  lfloat = 2.1;
 184 #  lpfloat = &lfloat;
 185 #  ldouble = 2.718281828459045;
 186 #  lpdouble = &ldouble;
 187 #  lsimple.integer = 1234;
 188 #  lsimple.unsigned_integer = 255;
 189 #  lsimple.character = 'a';
 190
 191 mi_execute_to "exec-step 9" "end-stepping-range" "do_locals_tests" "" \
 192         "var-cmd.c" [expr $line_dlt_linteger + 12] "" "step at do_locals_tests (5)"
 193
 194 # Test: c_variable-2.6
 195 # Desc: check whether llong, lplong, lfloat, lpfloat, ldouble, lpdouble, lsimple.integer,
 196 #       lsimple.unsigned_character lsimple.integer lsimple.character changed
 197 mi_gdb_test "-var-update *" \
 198         "\\^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\"\}\\\]" \
 199         "update all vars: many changed"
 200
 201 # Step over:
 202 #  lsimple.signed_character = 21;
 203 #  lsimple.char_ptr = &lcharacter;
 204 #  lpsimple = &lsimple;
 205 #  func = nothing;
 206
 207 set line_dlt_4321 [gdb_get_line_number "linteger = 4321;"]
 208
 209 mi_execute_to "exec-step 4" "end-stepping-range" "do_locals_tests" "" \
 210         "var-cmd.c" $line_dlt_4321 "" "step at do_locals_tests (6)"
 211
 212 # Test: c_variable-2.7
 213 # Desc: check whether (lsimple.signed_character, lsimple.char_ptr) lpsimple, func changed
 214 mi_gdb_test "-var-update *" \
 215         "\\^done,changelist=\\\[\{name=\"func\",in_scope=\"true\",type_changed=\"false\"\},\{name=\"lpsimple\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 216         "update all vars: func and lpsimple changed"
 217
 218 # Step over
 219 #  linteger = 4321;
 220 #  lcharacter = 'b';
 221 #  llong = 1212L;
 222 #  lfloat = 1.2;
 223 #  ldouble = 5.498548281828172;
 224 #  lsimple.integer = 255;
 225 #  lsimple.unsigned_integer = 4321;
 226 #  lsimple.character = 'b';
 227
 228 mi_execute_to "exec-step 8" "end-stepping-range" "do_locals_tests" "" \
 229         "var-cmd.c" [expr $line_dlt_4321 + 8] "" "step at do_locals_tests (7)"
 230
 231 # Test: c_variable-2.8
 232 # Desc: check whether linteger, lcharacter, llong, lfoat, ldouble, lsimple.integer,
 233 #       lpsimple.integer lsimple.character changed
 234 # Note: this test also checks that lpsimple->integer and lsimple.integer have
 235 #       changed (they are the same)
 236 mi_gdb_test "-var-update *" \
 237         "\\^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\"\}\\\]" \
 238         "update all vars: lsimple and others changed"
 239
 240
 241 ###
 242 #
 243 # Test assignment to variables. More tests on assignment are in other files.
 244 #
 245 ###
 246 mi_gdb_test "-var-assign global_simple 0" \
 247         "\\^error,msg=\"mi_cmd_var_assign: Variable object is not editable\"" \
 248         "assign to global_simple"
 249
 250 mi_gdb_test "-var-assign linteger 3333" \
 251         "\\^done,value=\"3333\"" \
 252         "assign to linteger"
 253
 254 # Allow lpcharacter to update, optionally.  Because it points to a
 255 # char variable instead of a zero-terminated string, if linteger is
 256 # directly after it in memory the printed characters may appear to
 257 # change.
 258 set lpchar_update "\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\},"
 259 mi_gdb_test "-var-update *" \
 260         "\\^done,changelist=\\\[($lpchar_update)?\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 261         "update all vars: linteger changed after assign"
 262
 263 mi_gdb_test "-var-assign linteger 3333" \
 264         "\\^done,value=\"3333\"" \
 265         "assign to linteger again, same value"
 266
 267 mi_gdb_test "-var-update *" \
 268         "\\^done,changelist=\\\[\\\]" \
 269         "update all vars: linteger not changed after same assign"
 270
 271 mi_gdb_test "-var-evaluate-expression linteger" \
 272         "\\^done,value=\"3333\"" \
 273         "eval linteger"
 274
 275 mi_gdb_test "-var-assign lpinteger \"&linteger + 3\"" \
 276         "\\^done,value=\"$hex\"" \
 277         "assign to lpinteger"
 278
 279 mi_gdb_test "-var-update *" \
 280         "\\^done,changelist=\\\[\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 281         "update all vars: lpinteger changed after assign"
 282
 283 mi_gdb_test "-var-update *" \
 284         "\\^done,changelist=\\\[\\\]" \
 285         "update all vars: no changes on second update"
 286
 287 mi_gdb_test "-var-evaluate-expression lpinteger" \
 288         "\\^done,value=\"$hex\"" \
 289         "eval lpinteger"
 290
 291 # reset the values to the original ones so that the rest of the file doesn't suffer.
 292
 293 mi_gdb_test "-var-assign linteger 4321" \
 294         "\\^done,value=\"4321\"" \
 295         "assign to linteger"
 296
 297 mi_gdb_test "-var-assign lpinteger &linteger" \
 298         "\\^done,value=\"$hex\"" \
 299         "assign to lpinteger"
 300
 301 mi_gdb_test "-var-assign lcharacter 'z'" \
 302         "\\^done,value=\"122 'z'\"" \
 303         "assign to lcharacter"
 304
 305 mi_gdb_test "-var-evaluate-expression lcharacter" \
 306         "\\^done,value=\"122 'z'\"" \
 307         "eval lcharacter"
 308
 309 mi_gdb_test "-var-assign llong 1313L" \
 310         "\\^done,value=\"1313\"" \
 311         "assign to llong"
 312 mi_gdb_test "-var-evaluate-expression llong" \
 313         "\\^done,value=\"1313\"" \
 314         "eval llong"
 315 mi_gdb_test "-var-assign llong 1212L" \
 316         "\\^done,value=\"1212\"" \
 317         "assign to llong"
 318
 319 mi_gdb_test "-var-assign lplong &llong+4" \
 320         "\\^done,value=\"$hex\"" \
 321         "assign to lplong"
 322 mi_gdb_test "-var-evaluate-expression lplong" \
 323         "\\^done,value=\"$hex\"" \
 324         "eval lplong"
 325 mi_gdb_test "-var-assign lplong &llong" \
 326         "\\^done,value=\"$hex\"" \
 327         "assign to lplong"
 328
 329 mi_gdb_test "-var-assign lfloat 3.4567" \
 330         "\\^done,value=\"3.45.*\"" \
 331         "assign to lfloat"
 332 mi_gdb_test "-var-evaluate-expression lfloat" \
 333         "\\^done,value=\"3.45.*\"" \
 334         "eval lfloat"
 335 mi_gdb_test "-var-assign lfloat 1.2345" \
 336         "\\^done,value=\"1.23.*\"" \
 337         "assign to lfloat"
 338
 339 mi_gdb_test "-var-assign lpfloat &lfloat+4" \
 340         "\\^done,value=\"$hex\"" \
 341         "assign to lpfloat"
 342
 343 mi_gdb_test "-var-assign ldouble 5.333318284590435" \
 344         "\\^done,value=\"5.333318284590435\"" \
 345         "assign to ldouble"
 346
 347 mi_gdb_test "-var-assign func do_block_tests" \
 348         "\\^done,value=\"$hex <do_block_tests>\"" \
 349         "assign to func"
 350
 351 mi_gdb_test "-var-assign lsimple.character 'd'" \
 352         "\\^done,value=\"100 'd'\"" \
 353         "assign to lsimple.character"
 354
 355 mi_gdb_test "-var-assign  lsimple->integer 222" \
 356         "\\^done,value=\"222\"" \
 357         "assign to lsimple->integer"
 358
 359 mi_gdb_test "-var-assign lsimple.integer 333" \
 360         "\\^done,value=\"333\"" \
 361         "assign to lsimple.integer"
 362
 363 mi_gdb_test "-var-update *" \
 364         "\\^done,changelist=.*" \
 365         "var update"
 366
 367 # Check that assignment of function and array values
 368 # promotes the assigned value to function pointer/data
 369 # pointer before comparing with the existing value,
 370 # and does not incorrectly make the value as changed.
 371 mi_gdb_test "-var-assign func do_block_tests" \
 372         "\\^done,value=\"$hex <do_block_tests>\"" \
 373         "assign same value to func"
 374
 375 mi_gdb_test "-var-update *" \
 376         "\\^done,changelist=\\\[\\\]" \
 377         "assign same value to func (update)"
 378
 379 mi_gdb_test "-var-create array_ptr * array_ptr" \
 380         "\\^done,name=\"array_ptr\",numchild=\"1\",value=\"$hex\",type=\"int \\*\"" \
 381         "create global variable array_ptr"
 382
 383 mi_gdb_test "-var-assign array_ptr array2" \
 384         "\\^done,value=\"$hex\"" \
 385         "assign array to pointer"
 386
 387 mi_gdb_test "-var-update *" \
 388         "\\^done,changelist=\\\[\{name=\"array_ptr\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 389         "assign array to pointer (update)"
 390
 391 mi_gdb_test "-var-assign array_ptr array2" \
 392         "\\^done,value=\"$hex\"" \
 393         "assign same array to pointer"
 394
 395 mi_gdb_test "-var-update *" \
 396         "\\^done,changelist=\\\[\\\]" \
 397         "assign same array to pointer (update)"
 398
 399
 400 ######
 401 # End of assign tests
 402 #####
 403
 404 set line_subroutine1_body [gdb_get_line_number "global_simple.integer = i + 3;"]
 405
 406 mi_continue_to subroutine1
 407
 408 # Test: c_variable-2.10
 409 # Desc: create variable for locals i,l in subroutine1
 410 mi_create_varobj_checked i i int "create i"
 411
 412 mi_create_varobj_checked l l {long int \*} "create l"
 413
 414 # Test: c_variable-2.11
 415 # Desc: create do_locals_tests local in subroutine1
 416 mi_gdb_test "-var-create linteger * linteger" \
 417         "\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
 418         "create linteger"
 419
 420 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 421         "var-cmd.c" [expr $line_subroutine1_body + 1] "step at subroutine1"
 422
 423 # Test: c_variable-2.12
 424 # Desc: change global_simple.integer
 425 # Note: This also tests whether we are reporting changes in structs properly.
 426 #       gdb normally would say that global_simple has changed, but we
 427 #       special case that, since it is not what a human expects to
 428 #       see.
 429
 430 setup_xfail *-*-*
 431 mi_gdb_test "-var-update *" \
 432         "\\^done,changelist=\{FIXME: WHAT IS CORRECT HERE\}" \
 433         "update all vars: changed FIXME"
 434 clear_xfail *-*-*
 435
 436 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 437         "var-cmd.c" [expr $line_subroutine1_body + 2] "step at subroutine1 (2)"
 438
 439 # Test: c_variable-2.13
 440 # Desc: change subroutine1 local i
 441 mi_gdb_test "-var-update *" \
 442         "\\^done,changelist=\\\[\{name=\"i\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 443         "update all vars: i changed"
 444
 445 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 446         "var-cmd.c" [expr $line_subroutine1_body + 3] "step at subroutine1 (3)"
 447
 448 # Test: c_variable-2.14
 449 # Desc: change do_locals_tests local llong
 450 mi_gdb_test "-var-update *" \
 451         "\\^done,changelist=\\\[\{name=\"llong\",in_scope=\"true\",type_changed=\"false\"\}\\\]" \
 452         "update all vars: llong changed"
 453
 454 set line_dlt_call_subroutine1 [gdb_get_line_number "subroutine1 (linteger, &llong);"]
 455 mi_next_to "do_locals_tests" "" "var-cmd.c" \
 456   [expr $line_dlt_call_subroutine1 + 1] "next out of subroutine1"
 457
 458 # Test: c_variable-2.15
 459 # Desc: check for out of scope subroutine1 locals
 460 mi_gdb_test "-var-update *" \
 461         "\\^done,changelist=\\\[\{name=\"l\",in_scope=\"false\"\,type_changed=\"false\"},\{name=\"i\",in_scope=\"false\",type_changed=\"false\"\}\\\]" \
 462         "update all vars: all now out of scope"
 463
 464 # Done with locals/globals tests. Erase all variables
 465 #delete_all_variables
 466 mi_gdb_test "-var-delete global_simple" \
 467         "\\^done,ndeleted=\"1\"" \
 468         "delete var"
 469
 470 mi_gdb_test "-var-delete linteger" \
 471         "\\^done,ndeleted=\"1\"" \
 472         "delete var linteger"
 473
 474 mi_gdb_test "-var-delete lpinteger" \
 475         "\\^done,ndeleted=\"1\"" \
 476         "delete var lpinteger"
 477
 478 mi_gdb_test "-var-delete lcharacter" \
 479         "\\^done,ndeleted=\"1\"" \
 480         "delete var lcharacter"
 481
 482 mi_gdb_test "-var-delete lpcharacter" \
 483         "\\^done,ndeleted=\"1\"" \
 484         "delete var lpcharacter"
 485
 486 mi_gdb_test "-var-delete llong" \
 487         "\\^done,ndeleted=\"1\"" \
 488         "delete var llong"
 489
 490 mi_gdb_test "-var-delete lplong" \
 491         "\\^done,ndeleted=\"1\"" \
 492         "delete var lplong"
 493
 494 mi_gdb_test "-var-delete lfloat" \
 495         "\\^done,ndeleted=\"1\"" \
 496         "delete var lfloat"
 497
 498 mi_gdb_test "-var-delete lpfloat" \
 499         "\\^done,ndeleted=\"1\"" \
 500         "delete var lpfloat"
 501
 502 mi_gdb_test "-var-delete ldouble" \
 503         "\\^done,ndeleted=\"1\"" \
 504         "delete var ldouble"
 505
 506 mi_gdb_test "-var-delete lpdouble" \
 507         "\\^done,ndeleted=\"1\"" \
 508         "delete var lpdouble"
 509
 510 mi_gdb_test "-var-delete lsimple" \
 511         "\\^done,ndeleted=\"1\"" \
 512         "delete var lsimple"
 513
 514 mi_gdb_test "-var-delete lpsimple" \
 515         "\\^done,ndeleted=\"1\"" \
 516         "delete var lpsimple"
 517
 518 mi_gdb_test "-var-delete func" \
 519         "\\^done,ndeleted=\"1\"" \
 520         "delete var func"
 521
 522 mi_gdb_test "-var-delete lsimple.character" \
 523         "\\^done,ndeleted=\"1\"" \
 524         "delete var lsimple.character"
 525
 526 mi_gdb_test "-var-delete  lsimple->integer" \
 527         "\\^done,ndeleted=\"1\"" \
 528         "delete var  lsimple->integer"
 529
 530 mi_gdb_test "-var-delete lsimple.integer" \
 531         "\\^done,ndeleted=\"1\"" \
 532         "delete var lsimple.integer"
 533
 534 mi_gdb_test "-var-delete i" \
 535         "\\^done,ndeleted=\"1\"" \
 536         "delete var i"
 537
 538 mi_gdb_test "-var-delete l" \
 539         "\\^done,ndeleted=\"1\"" \
 540         "delete var l"
 541
 542 # Test whether we can follow the name of a variable through multiple
 543 # stack frames.
 544 mi_continue_to do_special_tests
 545
 546 mi_gdb_test "-var-create selected_a @ a" \
 547   {\^done,name="selected_a",numchild="0",value=\".*\",type="int".*} \
 548   "create selected_a"
 549
 550 mi_continue_to incr_a
 551
 552 mi_gdb_test "-var-update selected_a" \
 553         "\\^done,changelist=\\\[\{name=\"selected_a\",in_scope=\"true\",type_changed=\"true\",new_type=\"char\",new_num_children=\"0\"\}\\\]" \
 554         "update selected_a in incr_a"
 555
 556 mi_next "step a line in incr_a"
 557 mi_next "return from incr_a to do_special_tests"
 558
 559 mi_gdb_test "-var-update selected_a" \
 560         "\\^done,changelist=\\\[\{name=\"selected_a\",in_scope=\"true\",type_changed=\"true\",new_type=\"int\",new_num_children=\"0\"\}\\\]" \
 561         "update selected_a in do_special_tests"
 562
 563 mi_gdb_test "-file-exec-and-symbols ${binfile}" "\\^done" \
 564     "floating varobj invalidation"
 565
 566 mi_delete_varobj selected_a "delete selected_a"
 567 mi_delete_varobj array_ptr "delete array_ptr"
 568
 569 proc set_frozen {varobjs flag} {
 570     foreach v $varobjs {
 571         mi_gdb_test "-var-set-frozen $v $flag" \
 572             "\\^done" \
 573             "-var-set-frozen $v $flag"
 574     }
 575 }
 576
 577 mi_prepare_inline_tests $srcfile
 578 mi_run_inline_test frozen
 579
 580 # Since the inline test framework does not really work with
 581 # function calls, first to inline tests and then do the reminder
 582 # manually.
 583 mi_run_inline_test floating
 584 set do_at_tests_callee_breakpoint [gdb_get_line_number "breakpoint inside callee"]
 585 mi_gdb_test "-break-insert var-cmd.c:$do_at_tests_callee_breakpoint" ".*" \
 586     "inside breakpoint inside callee"
 587 mi_execute_to "exec-continue" "breakpoint-hit" do_at_tests_callee "" ".*" ".*" \
 588     { "" "disp=\"keep\"" } \
 589     "continue to where i is initialized"
 590
 591 mi_varobj_update F {F} "update F inside callee"
 592 mi_check_varobj_value F 7 "check F inside callee"
 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",value=".*",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",value=".*",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_delete_breakpoints
 638
 639 mi_runto do_locals_tests
 640
 641 mi_create_varobj "L" "lsimple" "in-and-out-of-scope: create varobj"
 642 mi_check_varobj_value "L" "{...}" "in-and-out-of-scope: check initial value"
 643
 644 mi_runto main
 645
 646 mi_gdb_test "-var-update L" \
 647     {\^done,changelist=\[{name="L",in_scope="false",type_changed="false"}\]} \
 648     "in-and-out-of-scope: out of scope now"
 649
 650 mi_gdb_test "-var-update L" \
 651     {\^done,changelist=\[]} \
 652     "in-and-out-of-scope: out of scope now, not changed"
 653
 654 mi_continue_to do_locals_tests
 655
 656 mi_gdb_test "-var-update L" \
 657     {\^done,changelist=\[{name="L",in_scope="true",type_changed="false"}\]} \
 658     "in-and-out-of-scope: in scope now"
 659
 660 mi_gdb_test "-var-update L" \
 661     {\^done,changelist=\[\]} \
 662     "in-and-out-of-scope: in scope now, not changed"
 663
 664 mi_gdb_exit
 665 return 0