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

   1 # Copyright 1999-2020 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 # Test essential Machine interface (MI) operations
  17 #
  18 # Verify that, using the MI, we can create, update, delete variables.
  19 #
  20
  21
  22 load_lib mi-support.exp
  23 set MIFLAGS "-i=mi"
  24
  25 gdb_exit
  26 if [mi_gdb_start] {
  27     continue
  28 }
  29
  30 standard_testfile var-cmd.c
  31
  32 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  33     untested "failed to compile"
  34     return -1
  35 }
  36
  37 mi_delete_breakpoints
  38 mi_gdb_reinitialize_dir $srcdir/$subdir
  39 mi_gdb_load ${binfile}
  40
  41
  42 #####                   #####
  43 #                           #
  44 #  Variable Creation tests  #
  45 #                           #
  46 #####                   #####
  47
  48 # Test:  c_variable-1.1
  49 # Desc:  Create global variable
  50
  51 mi_create_varobj "global_simple" "global_simple" "create global variable"
  52
  53 # PR mi/15863
  54 # Attempt to update the varobj before running the inferior.
  55 mi_gdb_test "-var-update *" \
  56         "\\^done,changelist=\\\[\\\]" \
  57         "update varobj before running inferior"
  58
  59 # Test: c_variable-1.2
  60 # Desc: Create non-existent variable
  61
  62 mi_gdb_test "112-var-create bogus_unknown_variable * bogus_unknown_variable" \
  63         "112\\^error,msg=\"-var-create: unable to create variable object\"" \
  64         "create non-existent variable"
  65
  66 # Test: c_variable-1.3
  67 # Desc: Create out of scope variable
  68
  69 mi_gdb_test "113-var-create argc * argc" \
  70         "113\\^error,msg=\"-var-create: unable to create variable object\"" \
  71         "create out of scope variable"
  72
  73 mi_runto do_locals_tests
  74
  75 set line_dlt_first_real [gdb_get_line_number "linteger = 1234;"]
  76
  77 mi_continue_to_line $line_dlt_first_real "step to real start of do_locals_test"
  78
  79
  80 # Test: c_variable-1.4
  81 # Desc: create local variables
  82
  83 mi_create_varobj_checked linteger linteger int "create local variable linteger"
  84
  85 mi_create_varobj_checked lpinteger lpinteger {int \*} "create local variable lpinteger"
  86
  87 mi_create_varobj_checked lcharacter lcharacter\[0\] char "create local variable lcharacter"
  88
  89 mi_create_varobj_checked lpcharacter lpcharacter {char \*} "create local variable lpcharacter"
  90
  91 mi_create_varobj_checked llong llong "long" "create local variable llong"
  92
  93 mi_create_varobj_checked lplong lplong {long \*} "create local variable lplong"
  94
  95 mi_create_varobj_checked lfloat lfloat float "create local variable lfloat"
  96
  97 mi_create_varobj_checked lpfloat lpfloat {float \*} "create local variable lpfloat"
  98
  99 mi_create_varobj_checked ldouble ldouble double "create local variable ldouble"
 100
 101 mi_create_varobj_checked lpdouble lpdouble {double \*} "create local variable lpdouble"
 102
 103 mi_create_varobj_checked lsimple lsimple "struct _simple_struct" "create local variable lsimple"
 104
 105 mi_create_varobj_checked lpsimple lpsimple {struct _simple_struct \*} "create local variable lpsimple"
 106
 107 mi_create_varobj_checked func func {void \(\*\)\((void|)\)} "create local variable func"
 108
 109 # Test: c_variable-1.5
 110 # Desc: create lsimple.character
 111 mi_create_varobj_checked lsimple.character lsimple.character "char" \
 112         "create lsimple.character"
 113
 114 # Test: c_variable-1.6
 115 # Desc: create lpsimple->integer
 116 mi_create_varobj_checked lsimple->integer lsimple->integer "int" \
 117         "create lsimple->integer"
 118
 119 # Test: c_variable-1.7
 120 # Desc: create lsimple.integer
 121 mi_create_varobj_checked lsimple.integer lsimple.integer "int" \
 122         "create lsimple.integer"
 123
 124
 125 # Test: c_variable-1.9
 126 # Desc: create type name
 127 #    Type names (like int, long, etc..) are all proper expressions to gdb.
 128 #    make sure variable code does not allow users to create variables, though.
 129 mi_gdb_test "-var-create int * int" \
 130         "&\"Attempt to use a type name as an expression.\\\\n\".*\\^error,msg=\"-var-create: unable to create variable object\"" \
 131         "create int"
 132
 133
 134 #####             #####
 135 #                     #
 136 # Value changed tests #
 137 #                     #
 138 #####             #####
 139
 140 # Test: c_variable-2.1
 141 # Desc: check whether values changed at do_block_tests
 142 mi_gdb_test "-var-update *" \
 143         "\\^done,changelist=\\\[\\\]" \
 144         "update all vars"
 145
 146 # Step over "linteger = 1234;"
 147 set line_dlt_linteger [gdb_get_line_number "lpinteger = &linteger;"]
 148 mi_step_to "do_locals_tests" "" "var-cmd.c" $line_dlt_linteger "step at do_locals_test"
 149
 150 # Test: c_variable-2.2
 151 # Desc: check whether only linteger changed values
 152 mi_gdb_test "-var-update *" \
 153         "\\^done,changelist=\\\[\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 154         "update all vars: linteger changed"
 155
 156 # Step over "lpinteger = &linteger;"
 157 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 1] "step at do_locals_tests (2)"
 158
 159 # Test: c_variable-2.3
 160 # Desc: check whether only lpinteger changed
 161 mi_gdb_test "-var-update *" \
 162         "\\^done,changelist=\\\[\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 163         "update all vars: lpinteger changed"
 164
 165 # Step over "lcharacter = 'a';"
 166 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 2] "step at do_locals_tests (3)"
 167
 168 # Test: c_variable-2.4
 169 # Desc: check whether only lcharacter changed
 170 mi_gdb_test "-var-update *" \
 171         "\\^done,changelist=\\\[\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 172         "update all vars: lcharacter changed"
 173
 174 # Step over "lpcharacter = &lcharacter;"
 175 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 3] "step at do_locals_tests (4)"
 176
 177 # Test: c_variable-2.5
 178 # Desc: check whether only lpcharacter changed
 179 mi_gdb_test "-var-update *" \
 180         "\\^done,changelist=\\\[\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 181         "update all vars: lpcharacter changed"
 182
 183
 184 # Step over:
 185 #  llong = 2121L;
 186 #  lplong = &llong;
 187 #  lfloat = 2.1;
 188 #  lpfloat = &lfloat;
 189 #  ldouble = 2.718281828459045;
 190 #  lpdouble = &ldouble;
 191 #  lsimple.integer = 1234;
 192 #  lsimple.unsigned_integer = 255;
 193 #  lsimple.character = 'a';
 194
 195 mi_execute_to "exec-step 9" "end-stepping-range" "do_locals_tests" "" \
 196         "var-cmd.c" [expr $line_dlt_linteger + 12] "" "step at do_locals_tests (5)"
 197
 198 # Test: c_variable-2.6
 199 # Desc: check whether llong, lplong, lfloat, lpfloat, ldouble, lpdouble, lsimple.integer,
 200 #       lsimple.unsigned_character lsimple.integer lsimple.character changed
 201 mi_gdb_test "-var-update *" \
 202         "\\^done,changelist=\\\[\{name=\"lsimple.integer\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lsimple->integer\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lsimple.character\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lpdouble\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"ldouble\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lpfloat\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lfloat\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lplong\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"llong\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 203         "update all vars: many changed"
 204
 205 # Step over:
 206 #  lsimple.signed_character = 21;
 207 #  lsimple.char_ptr = &lcharacter;
 208 #  lpsimple = &lsimple;
 209 #  func = nothing;
 210
 211 set line_dlt_4321 [gdb_get_line_number "linteger = 4321;"]
 212
 213 mi_execute_to "exec-step 4" "end-stepping-range" "do_locals_tests" "" \
 214         "var-cmd.c" $line_dlt_4321 "" "step at do_locals_tests (6)"
 215
 216 # Test: c_variable-2.7
 217 # Desc: check whether (lsimple.signed_character, lsimple.char_ptr) lpsimple, func changed
 218 mi_gdb_test "-var-update *" \
 219         "\\^done,changelist=\\\[\{name=\"func\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lpsimple\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 220         "update all vars: func and lpsimple changed"
 221
 222 # Step over
 223 #  linteger = 4321;
 224 #  lcharacter = 'b';
 225 #  llong = 1212L;
 226 #  lfloat = 1.2;
 227 #  ldouble = 5.498548281828172;
 228 #  lsimple.integer = 255;
 229 #  lsimple.unsigned_integer = 4321;
 230 #  lsimple.character = 'b';
 231
 232 mi_execute_to "exec-step 8" "end-stepping-range" "do_locals_tests" "" \
 233         "var-cmd.c" [expr $line_dlt_4321 + 8] "" "step at do_locals_tests (7)"
 234
 235 # Test: c_variable-2.8
 236 # Desc: check whether linteger, lcharacter, llong, lfoat, ldouble, lsimple.integer,
 237 #       lpsimple.integer lsimple.character changed
 238 # Note: this test also checks that lpsimple->integer and lsimple.integer have
 239 #       changed (they are the same)
 240 mi_gdb_test "-var-update *" \
 241         "\\^done,changelist=\\\[\{name=\"lsimple.integer\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lsimple->integer\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lsimple.character\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"ldouble\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lfloat\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"llong\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 242         "update all vars: lsimple and others changed"
 243
 244
 245 ###
 246 #
 247 # Test assignment to variables. More tests on assignment are in other files.
 248 #
 249 ###
 250 mi_gdb_test "-var-assign global_simple 0" \
 251         "\\^error,msg=\"-var-assign: Variable object is not editable\"" \
 252         "assign to global_simple"
 253
 254 mi_gdb_test "-var-assign linteger 3333" \
 255         "\\^done,value=\"3333\"" \
 256         "assign to linteger"
 257
 258 # Allow lpcharacter to update, optionally.  Because it points to a
 259 # char variable instead of a zero-terminated string, if linteger is
 260 # directly after it in memory the printed characters may appear to
 261 # change.
 262 set lpchar_update "\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\},"
 263 mi_gdb_test "-var-update *" \
 264         "\\^done,changelist=\\\[($lpchar_update)?\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 265         "update all vars: linteger changed after assign"
 266
 267 mi_gdb_test "-var-assign linteger 3333" \
 268         "\\^done,value=\"3333\"" \
 269         "assign to linteger again, same value"
 270
 271 mi_gdb_test "-var-update *" \
 272         "\\^done,changelist=\\\[\\\]" \
 273         "update all vars: linteger not changed after same assign"
 274
 275 mi_gdb_test "-var-evaluate-expression linteger" \
 276         "\\^done,value=\"3333\"" \
 277         "eval linteger"
 278
 279 mi_gdb_test "-var-assign lpinteger \"&linteger + 3\"" \
 280         "\\^done,value=\"$hex\"" \
 281         "assign to lpinteger"
 282
 283 mi_gdb_test "-var-update *" \
 284         "\\^done,changelist=\\\[\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 285         "update all vars: lpinteger changed after assign"
 286
 287 mi_gdb_test "-var-update *" \
 288         "\\^done,changelist=\\\[\\\]" \
 289         "update all vars: no changes on second update"
 290
 291 mi_gdb_test "-var-evaluate-expression lpinteger" \
 292         "\\^done,value=\"$hex\"" \
 293         "eval lpinteger"
 294
 295 # reset the values to the original ones so that the rest of the file doesn't suffer.
 296
 297 mi_gdb_test "-var-assign linteger 4321" \
 298         "\\^done,value=\"4321\"" \
 299         "assign to linteger"
 300
 301 mi_gdb_test "-var-assign lpinteger &linteger" \
 302         "\\^done,value=\"$hex\"" \
 303         "assign to lpinteger"
 304
 305 mi_gdb_test "-var-assign lcharacter 'z'" \
 306         "\\^done,value=\"122 'z'\"" \
 307         "assign to lcharacter"
 308
 309 mi_gdb_test "-var-evaluate-expression lcharacter" \
 310         "\\^done,value=\"122 'z'\"" \
 311         "eval lcharacter"
 312
 313 mi_gdb_test "-var-assign llong 1313L" \
 314         "\\^done,value=\"1313\"" \
 315         "assign to llong"
 316 mi_gdb_test "-var-evaluate-expression llong" \
 317         "\\^done,value=\"1313\"" \
 318         "eval llong"
 319 mi_gdb_test "-var-assign llong 1212L" \
 320         "\\^done,value=\"1212\"" \
 321         "assign to llong"
 322
 323 mi_gdb_test "-var-assign lplong &llong+4" \
 324         "\\^done,value=\"$hex\"" \
 325         "assign to lplong"
 326 mi_gdb_test "-var-evaluate-expression lplong" \
 327         "\\^done,value=\"$hex\"" \
 328         "eval lplong"
 329 mi_gdb_test "-var-assign lplong &llong" \
 330         "\\^done,value=\"$hex\"" \
 331         "assign to lplong"
 332
 333 mi_gdb_test "-var-assign lfloat 3.4567" \
 334         "\\^done,value=\"3.45.*\"" \
 335         "assign to lfloat"
 336 mi_gdb_test "-var-evaluate-expression lfloat" \
 337         "\\^done,value=\"3.45.*\"" \
 338         "eval lfloat"
 339 mi_gdb_test "-var-assign lfloat 1.2345" \
 340         "\\^done,value=\"1.23.*\"" \
 341         "assign to lfloat"
 342
 343 mi_gdb_test "-var-assign lpfloat &lfloat+4" \
 344         "\\^done,value=\"$hex\"" \
 345         "assign to lpfloat"
 346
 347 mi_gdb_test "-var-assign ldouble 5.333318284590435" \
 348         "\\^done,value=\"5.333318284590435\"" \
 349         "assign to ldouble"
 350
 351 mi_gdb_test "-var-assign func do_block_tests" \
 352         "\\^done,value=\"$hex <do_block_tests>\"" \
 353         "assign to func"
 354
 355 mi_gdb_test "-var-assign lsimple.character 'd'" \
 356         "\\^done,value=\"100 'd'\"" \
 357         "assign to lsimple.character"
 358
 359 mi_gdb_test "-var-assign  lsimple->integer 222" \
 360         "\\^done,value=\"222\"" \
 361         "assign to lsimple->integer"
 362
 363 mi_gdb_test "-var-assign lsimple.integer 333" \
 364         "\\^done,value=\"333\"" \
 365         "assign to lsimple.integer"
 366
 367 mi_gdb_test "-var-update *" \
 368         "\\^done,changelist=.*" \
 369         "var update"
 370
 371 # Check that assignment of function and array values
 372 # promotes the assigned value to function pointer/data
 373 # pointer before comparing with the existing value,
 374 # and does not incorrectly make the value as changed.
 375 mi_gdb_test "-var-assign func do_block_tests" \
 376         "\\^done,value=\"$hex <do_block_tests>\"" \
 377         "assign same value to func"
 378
 379 mi_gdb_test "-var-update *" \
 380         "\\^done,changelist=\\\[\\\]" \
 381         "assign same value to func (update)"
 382
 383 mi_gdb_test "-var-create array_ptr * array_ptr" \
 384         "\\^done,name=\"array_ptr\",numchild=\"1\",value=\"$hex <array>\",type=\"int \\*\",has_more=\"0\"" \
 385         "create global variable array_ptr"
 386
 387 mi_gdb_test "-var-assign array_ptr array2" \
 388         "\\^done,value=\"$hex <array2>\"" \
 389         "assign array to pointer"
 390
 391 mi_gdb_test "-var-update *" \
 392         "\\^done,changelist=\\\[\{name=\"array_ptr\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 393         "assign array to pointer (update)"
 394
 395 mi_gdb_test "-var-assign array_ptr array2" \
 396         "\\^done,value=\"$hex <array2>\"" \
 397         "assign same array to pointer"
 398
 399 mi_gdb_test "-var-update *" \
 400         "\\^done,changelist=\\\[\\\]" \
 401         "assign same array to pointer (update)"
 402
 403
 404 ######
 405 # End of assign tests
 406 #####
 407
 408 set line_subroutine1_body [gdb_get_line_number "global_simple.integer = i + 3;"]
 409
 410 mi_continue_to subroutine1
 411
 412 # Test: c_variable-2.10
 413 # Desc: create variable for locals i,l in subroutine1
 414 mi_create_varobj_checked i i int "create i"
 415
 416 mi_create_varobj_checked l l {long \*} "create l"
 417
 418 # Test: c_variable-2.11
 419 # Desc: create do_locals_tests local in subroutine1
 420 mi_gdb_test "-var-create linteger * linteger" \
 421         "\\^error,msg=\"-var-create: unable to create variable object\"" \
 422         "create linteger"
 423
 424 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 425         "var-cmd.c" [expr $line_subroutine1_body + 1] "step at subroutine1"
 426
 427 # Test: c_variable-2.12
 428 # Desc: change global_simple.integer
 429 # Note: This also tests whether we are reporting changes in structs properly.
 430 #       gdb normally would say that global_simple has changed, but we
 431 #       special case that, since it is not what a human expects to
 432 #       see.
 433
 434 setup_xfail *-*-*
 435 mi_gdb_test "-var-update *" \
 436         "\\^done,changelist=\{FIXME: WHAT IS CORRECT HERE\}" \
 437         "update all vars: changed FIXME"
 438 clear_xfail *-*-*
 439
 440 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 441         "var-cmd.c" [expr $line_subroutine1_body + 2] "step at subroutine1 (2)"
 442
 443 # Test: c_variable-2.13
 444 # Desc: change subroutine1 local i
 445 mi_gdb_test "-var-update *" \
 446         "\\^done,changelist=\\\[\{name=\"i\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 447         "update all vars: i changed"
 448
 449 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 450         "var-cmd.c" [expr $line_subroutine1_body + 3] "step at subroutine1 (3)"
 451
 452 # Test: c_variable-2.14
 453 # Desc: change do_locals_tests local llong
 454 mi_gdb_test "-var-update *" \
 455         "\\^done,changelist=\\\[\{name=\"llong\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 456         "update all vars: llong changed"
 457
 458 set line_dlt_call_subroutine1 [gdb_get_line_number "subroutine1 (linteger, &llong);"]
 459 mi_next_to "do_locals_tests" "" "var-cmd.c" \
 460   [expr $line_dlt_call_subroutine1 + 1] "next out of subroutine1"
 461
 462 # Test: c_variable-2.15
 463 # Desc: check for out of scope subroutine1 locals
 464 mi_gdb_test "-var-update *" \
 465         "\\^done,changelist=\\\[\{name=\"l\",in_scope=\"false\"\,type_changed=\"false\",has_more=\"0\"},\{name=\"i\",in_scope=\"false\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 466         "update all vars: all now out of scope"
 467
 468 # Done with locals/globals tests. Erase all variables
 469 #delete_all_variables
 470 mi_gdb_test "-var-delete global_simple" \
 471         "\\^done,ndeleted=\"1\"" \
 472         "delete var"
 473
 474 mi_gdb_test "-var-delete linteger" \
 475         "\\^done,ndeleted=\"1\"" \
 476         "delete var linteger"
 477
 478 mi_gdb_test "-var-delete lpinteger" \
 479         "\\^done,ndeleted=\"1\"" \
 480         "delete var lpinteger"
 481
 482 mi_gdb_test "-var-delete lcharacter" \
 483         "\\^done,ndeleted=\"1\"" \
 484         "delete var lcharacter"
 485
 486 mi_gdb_test "-var-delete lpcharacter" \
 487         "\\^done,ndeleted=\"1\"" \
 488         "delete var lpcharacter"
 489
 490 mi_gdb_test "-var-delete llong" \
 491         "\\^done,ndeleted=\"1\"" \
 492         "delete var llong"
 493
 494 mi_gdb_test "-var-delete lplong" \
 495         "\\^done,ndeleted=\"1\"" \
 496         "delete var lplong"
 497
 498 mi_gdb_test "-var-delete lfloat" \
 499         "\\^done,ndeleted=\"1\"" \
 500         "delete var lfloat"
 501
 502 mi_gdb_test "-var-delete lpfloat" \
 503         "\\^done,ndeleted=\"1\"" \
 504         "delete var lpfloat"
 505
 506 mi_gdb_test "-var-delete ldouble" \
 507         "\\^done,ndeleted=\"1\"" \
 508         "delete var ldouble"
 509
 510 mi_gdb_test "-var-delete lpdouble" \
 511         "\\^done,ndeleted=\"1\"" \
 512         "delete var lpdouble"
 513
 514 mi_gdb_test "-var-delete lsimple" \
 515         "\\^done,ndeleted=\"1\"" \
 516         "delete var lsimple"
 517
 518 mi_gdb_test "-var-delete lpsimple" \
 519         "\\^done,ndeleted=\"1\"" \
 520         "delete var lpsimple"
 521
 522 mi_gdb_test "-var-delete func" \
 523         "\\^done,ndeleted=\"1\"" \
 524         "delete var func"
 525
 526 mi_gdb_test "-var-delete lsimple.character" \
 527         "\\^done,ndeleted=\"1\"" \
 528         "delete var lsimple.character"
 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 lsimple.integer" \
 535         "\\^done,ndeleted=\"1\"" \
 536         "delete var lsimple.integer"
 537
 538 mi_gdb_test "-var-delete i" \
 539         "\\^done,ndeleted=\"1\"" \
 540         "delete var i"
 541
 542 mi_gdb_test "-var-delete l" \
 543         "\\^done,ndeleted=\"1\"" \
 544         "delete var l"
 545
 546 # Test whether we can follow the name of a variable through multiple
 547 # stack frames.
 548 mi_continue_to do_special_tests
 549
 550 mi_gdb_test "-var-create selected_a @ a" \
 551   {\^done,name="selected_a",numchild="0",value=\".*\",type="int".*} \
 552   "create selected_a"
 553
 554 mi_continue_to incr_a
 555
 556 mi_gdb_test "-var-update selected_a" \
 557         "\\^done,changelist=\\\[\{name=\"selected_a\",in_scope=\"true\",type_changed=\"true\",new_type=\"char\",new_num_children=\"0\",has_more=\"0\"\}\\\]" \
 558         "update selected_a in incr_a"
 559
 560 mi_next "step a line in incr_a"
 561 mi_next "return from incr_a to do_special_tests"
 562
 563 mi_gdb_test "-var-update selected_a" \
 564         "\\^done,changelist=\\\[\{name=\"selected_a\",in_scope=\"true\",type_changed=\"true\",new_type=\"int\",new_num_children=\"0\",has_more=\"0\"\}\\\]" \
 565         "update selected_a in do_special_tests"
 566
 567 if [is_remote host] {
 568     set filename ${testfile}
 569 } else {
 570     set filename ${binfile}
 571 }
 572
 573 mi_gdb_test "-file-exec-and-symbols ${filename}" "\\^done" \
 574     "floating varobj invalidation"
 575
 576 mi_delete_varobj selected_a "delete selected_a"
 577 mi_delete_varobj array_ptr "delete array_ptr"
 578
 579 proc set_frozen {varobjs flag} {
 580     foreach v $varobjs {
 581         mi_gdb_test "-var-set-frozen $v $flag" \
 582             "\\^done" \
 583             "-var-set-frozen $v $flag"
 584     }
 585 }
 586
 587 mi_prepare_inline_tests $srcfile
 588 mi_run_inline_test frozen
 589
 590 mi_run_inline_test bitfield
 591
 592 # Since the inline test framework does not really work with
 593 # function calls, first to inline tests and then do the reminder
 594 # manually.
 595 mi_run_inline_test floating
 596 set do_at_tests_callee_breakpoint [gdb_get_line_number "breakpoint inside callee"]
 597 mi_gdb_test "-break-insert var-cmd.c:$do_at_tests_callee_breakpoint" ".*" \
 598     "inside breakpoint inside callee"
 599 mi_execute_to "exec-continue" "breakpoint-hit" do_at_tests_callee "" ".*" ".*" \
 600     { "" "disp=\"keep\"" } \
 601     "continue to where i is initialized"
 602
 603 mi_varobj_update F {F} "update F inside callee"
 604 mi_check_varobj_value F 7 "check F inside callee"
 605
 606 # Test whether bad varobjs crash GDB.
 607
 608 # A varobj we fail to read during -var-update should be considered
 609 # out of scope.
 610 mi_gdb_test "-var-create null_ptr * **0" \
 611     {\^done,name="null_ptr",numchild="0",value=".*",type="int",has_more="0"} \
 612     "create null_ptr"
 613
 614 # Allow this to succeed, if address zero is readable, although it
 615 # will not test what it was meant to.  Most important is that GDB
 616 # does not crash.
 617 mi_gdb_test "-var-update null_ptr" \
 618     {\^done,changelist=\[.*\]} \
 619     "update null_ptr"
 620
 621 mi_gdb_test "-var-delete null_ptr" \
 622     "\\^done,ndeleted=\"1\"" \
 623     "delete null_ptr"
 624
 625 # When we fail to read a varobj created from a named variable,
 626 # we evaluate its type instead.  Make sure that doesn't blow
 627 # up by trying to read it again.  We can use _end when not running
 628 # the program to simulate an unreadable variable, if this platform
 629 # provides _end, but cope if it's missing.
 630
 631 mi_gdb_test "kill" \
 632     {&"kill\\n".*\^done} \
 633     "kill program before endvar"
 634
 635 mi_gdb_test "-var-create endvar * _end" \
 636     {(\^done,name="endvar",numchild="0",value=".*",type=".*"|\^error,msg=".*")} \
 637     "create endvar"
 638
 639 # Allow this to succeed whether the value is readable, unreadable, or
 640 # missing.  Most important is that GDB does not crash.
 641 mi_gdb_test "-var-update endvar" \
 642     {(\^done,changelist=\[.*\]|\^error,msg=".*not found")} \
 643     "update endvar"
 644
 645 mi_gdb_test "-var-delete endvar" \
 646     {(\^done,ndeleted="1"|\^error,msg=".*not found")} \
 647     "delete endvar"
 648
 649 mi_delete_breakpoints
 650
 651 mi_runto do_locals_tests
 652
 653 mi_create_varobj "L" "lsimple" "in-and-out-of-scope: create varobj"
 654 mi_check_varobj_value "L" "{...}" "in-and-out-of-scope: check initial value"
 655
 656 mi_runto main
 657
 658 mi_gdb_test "-var-update L" \
 659     {\^done,changelist=\[{name="L",in_scope="false",type_changed="false",has_more="0"}\]} \
 660     "in-and-out-of-scope: out of scope now"
 661
 662 mi_gdb_test "-var-update L" \
 663     {\^done,changelist=\[]} \
 664     "in-and-out-of-scope: out of scope now, not changed"
 665
 666 mi_continue_to do_locals_tests
 667
 668 mi_gdb_test "-var-update L" \
 669     {\^done,changelist=\[{name="L",in_scope="true",type_changed="false",has_more="0"}\]} \
 670     "in-and-out-of-scope: in scope now"
 671
 672 mi_gdb_test "-var-update L" \
 673     {\^done,changelist=\[\]} \
 674     "in-and-out-of-scope: in scope now, not changed"
 675
 676 mi_gdb_exit
 677 return 0