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 with_test_prefix "first run" {
  74   mi_runto do_locals_tests
  75 }
  76
  77 set line_dlt_first_real [gdb_get_line_number "linteger = 1234;"]
  78
  79 mi_continue_to_line $line_dlt_first_real "step to real start of do_locals_test"
  80
  81
  82 # Test: c_variable-1.4
  83 # Desc: create local variables
  84
  85 mi_create_varobj_checked linteger linteger int "create local variable linteger"
  86
  87 mi_create_varobj_checked lpinteger lpinteger {int \*} "create local variable lpinteger"
  88
  89 mi_create_varobj_checked lcharacter lcharacter\[0\] char "create local variable lcharacter"
  90
  91 mi_create_varobj_checked lpcharacter lpcharacter {char \*} "create local variable lpcharacter"
  92
  93 mi_create_varobj_checked llong llong "long" "create local variable llong"
  94
  95 mi_create_varobj_checked lplong lplong {long \*} "create local variable lplong"
  96
  97 mi_create_varobj_checked lfloat lfloat float "create local variable lfloat"
  98
  99 mi_create_varobj_checked lpfloat lpfloat {float \*} "create local variable lpfloat"
 100
 101 mi_create_varobj_checked ldouble ldouble double "create local variable ldouble"
 102
 103 mi_create_varobj_checked lpdouble lpdouble {double \*} "create local variable lpdouble"
 104
 105 mi_create_varobj_checked lsimple lsimple "struct _simple_struct" "create local variable lsimple"
 106
 107 mi_create_varobj_checked lpsimple lpsimple {struct _simple_struct \*} "create local variable lpsimple"
 108
 109 mi_create_varobj_checked func func {void \(\*\)\((void|)\)} "create local variable func"
 110
 111 # Test: c_variable-1.5
 112 # Desc: create lsimple.character
 113 mi_create_varobj_checked lsimple.character lsimple.character "char" \
 114         "create lsimple.character"
 115
 116 # Test: c_variable-1.6
 117 # Desc: create lpsimple->integer
 118 mi_create_varobj_checked lsimple->integer lsimple->integer "int" \
 119         "create lsimple->integer"
 120
 121 # Test: c_variable-1.7
 122 # Desc: create lsimple.integer
 123 mi_create_varobj_checked lsimple.integer lsimple.integer "int" \
 124         "create lsimple.integer"
 125
 126
 127 # Test: c_variable-1.9
 128 # Desc: create type name
 129 #    Type names (like int, long, etc..) are all proper expressions to gdb.
 130 #    make sure variable code does not allow users to create variables, though.
 131 mi_gdb_test "-var-create int * int" \
 132         "&\"Attempt to use a type name as an expression.\\\\n\".*\\^error,msg=\"-var-create: unable to create variable object\"" \
 133         "create int"
 134
 135
 136 #####             #####
 137 #                     #
 138 # Value changed tests #
 139 #                     #
 140 #####             #####
 141
 142 # Test: c_variable-2.1
 143 # Desc: check whether values changed at do_block_tests
 144 mi_gdb_test "-var-update *" \
 145         "\\^done,changelist=\\\[\\\]" \
 146         "update all vars"
 147
 148 # Step over "linteger = 1234;"
 149 set line_dlt_linteger [gdb_get_line_number "lpinteger = &linteger;"]
 150 mi_step_to "do_locals_tests" "" "var-cmd.c" $line_dlt_linteger "step at do_locals_test"
 151
 152 # Test: c_variable-2.2
 153 # Desc: check whether only linteger changed values
 154 mi_gdb_test "-var-update *" \
 155         "\\^done,changelist=\\\[\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 156         "update all vars: linteger changed"
 157
 158 # Step over "lpinteger = &linteger;"
 159 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 1] "step at do_locals_tests (2)"
 160
 161 # Test: c_variable-2.3
 162 # Desc: check whether only lpinteger changed
 163 mi_gdb_test "-var-update *" \
 164         "\\^done,changelist=\\\[\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 165         "update all vars: lpinteger changed"
 166
 167 # Step over "lcharacter = 'a';"
 168 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 2] "step at do_locals_tests (3)"
 169
 170 # Test: c_variable-2.4
 171 # Desc: check whether only lcharacter changed
 172 mi_gdb_test "-var-update *" \
 173         "\\^done,changelist=\\\[\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 174         "update all vars: lcharacter changed"
 175
 176 # Step over "lpcharacter = &lcharacter;"
 177 mi_step_to "do_locals_tests" "" "var-cmd.c" [expr $line_dlt_linteger + 3] "step at do_locals_tests (4)"
 178
 179 # Test: c_variable-2.5
 180 # Desc: check whether only lpcharacter changed
 181 mi_gdb_test "-var-update *" \
 182         "\\^done,changelist=\\\[\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 183         "update all vars: lpcharacter changed"
 184
 185
 186 # Step over:
 187 #  llong = 2121L;
 188 #  lplong = &llong;
 189 #  lfloat = 2.1;
 190 #  lpfloat = &lfloat;
 191 #  ldouble = 2.718281828459045;
 192 #  lpdouble = &ldouble;
 193 #  lsimple.integer = 1234;
 194 #  lsimple.unsigned_integer = 255;
 195 #  lsimple.character = 'a';
 196
 197 mi_execute_to "exec-step 9" "end-stepping-range" "do_locals_tests" "" \
 198         "var-cmd.c" [expr $line_dlt_linteger + 12] "" "step at do_locals_tests (5)"
 199
 200 # Test: c_variable-2.6
 201 # Desc: check whether llong, lplong, lfloat, lpfloat, ldouble, lpdouble, lsimple.integer,
 202 #       lsimple.unsigned_character lsimple.integer lsimple.character changed
 203 mi_gdb_test "-var-update *" \
 204         "\\^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\"\}\\\]" \
 205         "update all vars: many changed"
 206
 207 # Step over:
 208 #  lsimple.signed_character = 21;
 209 #  lsimple.char_ptr = &lcharacter;
 210 #  lpsimple = &lsimple;
 211 #  func = nothing;
 212
 213 set line_dlt_4321 [gdb_get_line_number "linteger = 4321;"]
 214
 215 mi_execute_to "exec-step 4" "end-stepping-range" "do_locals_tests" "" \
 216         "var-cmd.c" $line_dlt_4321 "" "step at do_locals_tests (6)"
 217
 218 # Test: c_variable-2.7
 219 # Desc: check whether (lsimple.signed_character, lsimple.char_ptr) lpsimple, func changed
 220 mi_gdb_test "-var-update *" \
 221         "\\^done,changelist=\\\[\{name=\"func\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\},\{name=\"lpsimple\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 222         "update all vars: func and lpsimple changed"
 223
 224 # Step over
 225 #  linteger = 4321;
 226 #  lcharacter = 'b';
 227 #  llong = 1212L;
 228 #  lfloat = 1.2;
 229 #  ldouble = 5.498548281828172;
 230 #  lsimple.integer = 255;
 231 #  lsimple.unsigned_integer = 4321;
 232 #  lsimple.character = 'b';
 233
 234 mi_execute_to "exec-step 8" "end-stepping-range" "do_locals_tests" "" \
 235         "var-cmd.c" [expr $line_dlt_4321 + 8] "" "step at do_locals_tests (7)"
 236
 237 # Test: c_variable-2.8
 238 # Desc: check whether linteger, lcharacter, llong, lfoat, ldouble, lsimple.integer,
 239 #       lpsimple.integer lsimple.character changed
 240 # Note: this test also checks that lpsimple->integer and lsimple.integer have
 241 #       changed (they are the same)
 242 mi_gdb_test "-var-update *" \
 243         "\\^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\"\}\\\]" \
 244         "update all vars: lsimple and others changed"
 245
 246
 247 ###
 248 #
 249 # Test assignment to variables. More tests on assignment are in other files.
 250 #
 251 ###
 252 mi_gdb_test "-var-assign global_simple 0" \
 253         "\\^error,msg=\"-var-assign: Variable object is not editable\"" \
 254         "assign to global_simple"
 255
 256 mi_gdb_test "-var-assign linteger 3333" \
 257         "\\^done,value=\"3333\"" \
 258         "assign to linteger, 1st"
 259
 260 # Allow lpcharacter to update, optionally.  Because it points to a
 261 # char variable instead of a zero-terminated string, if linteger is
 262 # directly after it in memory the printed characters may appear to
 263 # change.
 264 set lpchar_update "\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\},"
 265 mi_gdb_test "-var-update *" \
 266         "\\^done,changelist=\\\[($lpchar_update)?\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 267         "update all vars: linteger changed after assign"
 268
 269 mi_gdb_test "-var-assign linteger 3333" \
 270         "\\^done,value=\"3333\"" \
 271         "assign to linteger again, same value"
 272
 273 mi_gdb_test "-var-update *" \
 274         "\\^done,changelist=\\\[\\\]" \
 275         "update all vars: linteger not changed after same assign"
 276
 277 mi_gdb_test "-var-evaluate-expression linteger" \
 278         "\\^done,value=\"3333\"" \
 279         "eval linteger"
 280
 281 mi_gdb_test "-var-assign lpinteger \"&linteger + 3\"" \
 282         "\\^done,value=\"$hex\"" \
 283         "assign to lpinteger, 1st"
 284
 285 mi_gdb_test "-var-update *" \
 286         "\\^done,changelist=\\\[\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 287         "update all vars: lpinteger changed after assign"
 288
 289 mi_gdb_test "-var-update *" \
 290         "\\^done,changelist=\\\[\\\]" \
 291         "update all vars: no changes on second update"
 292
 293 mi_gdb_test "-var-evaluate-expression lpinteger" \
 294         "\\^done,value=\"$hex\"" \
 295         "eval lpinteger"
 296
 297 # reset the values to the original ones so that the rest of the file doesn't suffer.
 298
 299 mi_gdb_test "-var-assign linteger 4321" \
 300         "\\^done,value=\"4321\"" \
 301         "assign to linteger, 2nd"
 302
 303 mi_gdb_test "-var-assign lpinteger &linteger" \
 304         "\\^done,value=\"$hex\"" \
 305         "assign to lpinteger, 2nd"
 306
 307 mi_gdb_test "-var-assign lcharacter 'z'" \
 308         "\\^done,value=\"122 'z'\"" \
 309         "assign to lcharacter"
 310
 311 mi_gdb_test "-var-evaluate-expression lcharacter" \
 312         "\\^done,value=\"122 'z'\"" \
 313         "eval lcharacter"
 314
 315 mi_gdb_test "-var-assign llong 1313L" \
 316         "\\^done,value=\"1313\"" \
 317         "assign to llong, 1st"
 318 mi_gdb_test "-var-evaluate-expression llong" \
 319         "\\^done,value=\"1313\"" \
 320         "eval llong"
 321 mi_gdb_test "-var-assign llong 1212L" \
 322         "\\^done,value=\"1212\"" \
 323         "assign to llong, 2nd"
 324
 325 mi_gdb_test "-var-assign lplong &llong+4" \
 326         "\\^done,value=\"$hex\"" \
 327         "assign to lplong, 1st"
 328 mi_gdb_test "-var-evaluate-expression lplong" \
 329         "\\^done,value=\"$hex\"" \
 330         "eval lplong"
 331 mi_gdb_test "-var-assign lplong &llong" \
 332         "\\^done,value=\"$hex\"" \
 333         "assign to lplong, 2nd"
 334
 335 mi_gdb_test "-var-assign lfloat 3.4567" \
 336         "\\^done,value=\"3.45.*\"" \
 337         "assign to lfloat, 1st"
 338 mi_gdb_test "-var-evaluate-expression lfloat" \
 339         "\\^done,value=\"3.45.*\"" \
 340         "eval lfloat"
 341 mi_gdb_test "-var-assign lfloat 1.2345" \
 342         "\\^done,value=\"1.23.*\"" \
 343         "assign to lfloat, 2nd"
 344
 345 mi_gdb_test "-var-assign lpfloat &lfloat+4" \
 346         "\\^done,value=\"$hex\"" \
 347         "assign to lpfloat"
 348
 349 mi_gdb_test "-var-assign ldouble 5.333318284590435" \
 350         "\\^done,value=\"5.333318284590435\"" \
 351         "assign to ldouble"
 352
 353 mi_gdb_test "-var-assign func do_block_tests" \
 354         "\\^done,value=\"$hex <do_block_tests>\"" \
 355         "assign to func"
 356
 357 mi_gdb_test "-var-assign lsimple.character 'd'" \
 358         "\\^done,value=\"100 'd'\"" \
 359         "assign to lsimple.character"
 360
 361 mi_gdb_test "-var-assign  lsimple->integer 222" \
 362         "\\^done,value=\"222\"" \
 363         "assign to lsimple->integer"
 364
 365 mi_gdb_test "-var-assign lsimple.integer 333" \
 366         "\\^done,value=\"333\"" \
 367         "assign to lsimple.integer"
 368
 369 mi_gdb_test "-var-update *" \
 370         "\\^done,changelist=.*" \
 371         "var update"
 372
 373 # Check that assignment of function and array values
 374 # promotes the assigned value to function pointer/data
 375 # pointer before comparing with the existing value,
 376 # and does not incorrectly make the value as changed.
 377 mi_gdb_test "-var-assign func do_block_tests" \
 378         "\\^done,value=\"$hex <do_block_tests>\"" \
 379         "assign same value to func"
 380
 381 mi_gdb_test "-var-update *" \
 382         "\\^done,changelist=\\\[\\\]" \
 383         "assign same value to func (update)"
 384
 385 mi_gdb_test "-var-create array_ptr * array_ptr" \
 386         "\\^done,name=\"array_ptr\",numchild=\"1\",value=\"$hex <array>\",type=\"int \\*\",has_more=\"0\"" \
 387         "create global variable array_ptr"
 388
 389 mi_gdb_test "-var-assign array_ptr array2" \
 390         "\\^done,value=\"$hex <array2>\"" \
 391         "assign array to pointer"
 392
 393 mi_gdb_test "-var-update *" \
 394         "\\^done,changelist=\\\[\{name=\"array_ptr\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 395         "assign array to pointer (update)"
 396
 397 mi_gdb_test "-var-assign array_ptr array2" \
 398         "\\^done,value=\"$hex <array2>\"" \
 399         "assign same array to pointer"
 400
 401 mi_gdb_test "-var-update *" \
 402         "\\^done,changelist=\\\[\\\]" \
 403         "assign same array to pointer (update)"
 404
 405
 406 ######
 407 # End of assign tests
 408 #####
 409
 410 set line_subroutine1_body [gdb_get_line_number "global_simple.integer = i + 3;"]
 411
 412 mi_continue_to subroutine1
 413
 414 # Test: c_variable-2.10
 415 # Desc: create variable for locals i,l in subroutine1
 416 mi_create_varobj_checked i i int "create i"
 417
 418 mi_create_varobj_checked l l {long \*} "create l"
 419
 420 # Test: c_variable-2.11
 421 # Desc: create do_locals_tests local in subroutine1
 422 mi_gdb_test "-var-create linteger * linteger" \
 423         "\\^error,msg=\"-var-create: unable to create variable object\"" \
 424         "create linteger"
 425
 426 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 427         "var-cmd.c" [expr $line_subroutine1_body + 1] "step at subroutine1"
 428
 429 # Test: c_variable-2.12
 430 # Desc: change global_simple.integer
 431 # Note: This also tests whether we are reporting changes in structs properly.
 432 #       gdb normally would say that global_simple has changed, but we
 433 #       special case that, since it is not what a human expects to
 434 #       see.
 435
 436 setup_xfail *-*-*
 437 mi_gdb_test "-var-update *" \
 438         "\\^done,changelist=\{FIXME: WHAT IS CORRECT HERE\}" \
 439         "update all vars: changed FIXME"
 440 clear_xfail *-*-*
 441
 442 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 443         "var-cmd.c" [expr $line_subroutine1_body + 2] "step at subroutine1 (2)"
 444
 445 # Test: c_variable-2.13
 446 # Desc: change subroutine1 local i
 447 mi_gdb_test "-var-update *" \
 448         "\\^done,changelist=\\\[\{name=\"i\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 449         "update all vars: i changed"
 450
 451 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 452         "var-cmd.c" [expr $line_subroutine1_body + 3] "step at subroutine1 (3)"
 453
 454 # Test: c_variable-2.14
 455 # Desc: change do_locals_tests local llong
 456 mi_gdb_test "-var-update *" \
 457         "\\^done,changelist=\\\[\{name=\"llong\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 458         "update all vars: llong changed"
 459
 460 set line_dlt_call_subroutine1 [gdb_get_line_number "subroutine1 (linteger, &llong);"]
 461 mi_next_to "do_locals_tests" "" "var-cmd.c" \
 462   [expr $line_dlt_call_subroutine1 + 1] "next out of subroutine1"
 463
 464 # Test: c_variable-2.15
 465 # Desc: check for out of scope subroutine1 locals
 466 mi_gdb_test "-var-update *" \
 467         "\\^done,changelist=\\\[\{name=\"l\",in_scope=\"false\"\,type_changed=\"false\",has_more=\"0\"},\{name=\"i\",in_scope=\"false\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
 468         "update all vars: all now out of scope"
 469
 470 # Done with locals/globals tests. Erase all variables
 471 #delete_all_variables
 472 mi_gdb_test "-var-delete global_simple" \
 473         "\\^done,ndeleted=\"1\"" \
 474         "delete var"
 475
 476 mi_gdb_test "-var-delete linteger" \
 477         "\\^done,ndeleted=\"1\"" \
 478         "delete var linteger"
 479
 480 mi_gdb_test "-var-delete lpinteger" \
 481         "\\^done,ndeleted=\"1\"" \
 482         "delete var lpinteger"
 483
 484 mi_gdb_test "-var-delete lcharacter" \
 485         "\\^done,ndeleted=\"1\"" \
 486         "delete var lcharacter"
 487
 488 mi_gdb_test "-var-delete lpcharacter" \
 489         "\\^done,ndeleted=\"1\"" \
 490         "delete var lpcharacter"
 491
 492 mi_gdb_test "-var-delete llong" \
 493         "\\^done,ndeleted=\"1\"" \
 494         "delete var llong"
 495
 496 mi_gdb_test "-var-delete lplong" \
 497         "\\^done,ndeleted=\"1\"" \
 498         "delete var lplong"
 499
 500 mi_gdb_test "-var-delete lfloat" \
 501         "\\^done,ndeleted=\"1\"" \
 502         "delete var lfloat"
 503
 504 mi_gdb_test "-var-delete lpfloat" \
 505         "\\^done,ndeleted=\"1\"" \
 506         "delete var lpfloat"
 507
 508 mi_gdb_test "-var-delete ldouble" \
 509         "\\^done,ndeleted=\"1\"" \
 510         "delete var ldouble"
 511
 512 mi_gdb_test "-var-delete lpdouble" \
 513         "\\^done,ndeleted=\"1\"" \
 514         "delete var lpdouble"
 515
 516 mi_gdb_test "-var-delete lsimple" \
 517         "\\^done,ndeleted=\"1\"" \
 518         "delete var lsimple"
 519
 520 mi_gdb_test "-var-delete lpsimple" \
 521         "\\^done,ndeleted=\"1\"" \
 522         "delete var lpsimple"
 523
 524 mi_gdb_test "-var-delete func" \
 525         "\\^done,ndeleted=\"1\"" \
 526         "delete var func"
 527
 528 mi_gdb_test "-var-delete lsimple.character" \
 529         "\\^done,ndeleted=\"1\"" \
 530         "delete var lsimple.character"
 531
 532 mi_gdb_test "-var-delete  lsimple->integer" \
 533         "\\^done,ndeleted=\"1\"" \
 534         "delete var  lsimple->integer"
 535
 536 mi_gdb_test "-var-delete lsimple.integer" \
 537         "\\^done,ndeleted=\"1\"" \
 538         "delete var lsimple.integer"
 539
 540 mi_gdb_test "-var-delete i" \
 541         "\\^done,ndeleted=\"1\"" \
 542         "delete var i"
 543
 544 mi_gdb_test "-var-delete l" \
 545         "\\^done,ndeleted=\"1\"" \
 546         "delete var l"
 547
 548 # Test whether we can follow the name of a variable through multiple
 549 # stack frames.
 550 mi_continue_to do_special_tests
 551
 552 mi_gdb_test "-var-create selected_a @ a" \
 553   {\^done,name="selected_a",numchild="0",value=\".*\",type="int".*} \
 554   "create selected_a"
 555
 556 mi_continue_to incr_a
 557
 558 mi_gdb_test "-var-update selected_a" \
 559         "\\^done,changelist=\\\[\{name=\"selected_a\",in_scope=\"true\",type_changed=\"true\",new_type=\"char\",new_num_children=\"0\",has_more=\"0\"\}\\\]" \
 560         "update selected_a in incr_a"
 561
 562 mi_next "step a line in incr_a"
 563 mi_next "return from incr_a to do_special_tests"
 564
 565 mi_gdb_test "-var-update selected_a" \
 566         "\\^done,changelist=\\\[\{name=\"selected_a\",in_scope=\"true\",type_changed=\"true\",new_type=\"int\",new_num_children=\"0\",has_more=\"0\"\}\\\]" \
 567         "update selected_a in do_special_tests"
 568
 569 if [is_remote host] {
 570     set filename ${testfile}
 571 } else {
 572     set filename ${binfile}
 573 }
 574
 575 mi_gdb_test "-file-exec-and-symbols ${filename}" "\\^done" \
 576     "floating varobj invalidation"
 577
 578 mi_delete_varobj selected_a "delete selected_a"
 579 mi_delete_varobj array_ptr "delete array_ptr"
 580
 581 proc set_frozen {varobjs flag} {
 582     foreach v $varobjs {
 583         mi_gdb_test "-var-set-frozen $v $flag" \
 584             "\\^done" \
 585             "-var-set-frozen $v $flag"
 586     }
 587 }
 588
 589 mi_prepare_inline_tests $srcfile
 590 mi_run_inline_test frozen
 591
 592 mi_run_inline_test bitfield
 593
 594 # Since the inline test framework does not really work with
 595 # function calls, first to inline tests and then do the reminder
 596 # manually.
 597 mi_run_inline_test floating
 598 set do_at_tests_callee_breakpoint [gdb_get_line_number "breakpoint inside callee"]
 599 mi_gdb_test "-break-insert var-cmd.c:$do_at_tests_callee_breakpoint" ".*" \
 600     "inside breakpoint inside callee"
 601 mi_execute_to "exec-continue" "breakpoint-hit" do_at_tests_callee "" ".*" ".*" \
 602     { "" "disp=\"keep\"" } \
 603     "continue to where i is initialized"
 604
 605 mi_varobj_update F {F} "update F inside callee"
 606 mi_check_varobj_value F 7 "check F inside callee"
 607
 608 # Test whether bad varobjs crash GDB.
 609
 610 # A varobj we fail to read during -var-update should be considered
 611 # out of scope.
 612 mi_gdb_test "-var-create null_ptr * **0" \
 613     {\^done,name="null_ptr",numchild="0",value=".*",type="int",has_more="0"} \
 614     "create null_ptr"
 615
 616 # Allow this to succeed, if address zero is readable, although it
 617 # will not test what it was meant to.  Most important is that GDB
 618 # does not crash.
 619 mi_gdb_test "-var-update null_ptr" \
 620     {\^done,changelist=\[.*\]} \
 621     "update null_ptr"
 622
 623 mi_gdb_test "-var-delete null_ptr" \
 624     "\\^done,ndeleted=\"1\"" \
 625     "delete null_ptr"
 626
 627 # When we fail to read a varobj created from a named variable,
 628 # we evaluate its type instead.  Make sure that doesn't blow
 629 # up by trying to read it again.  We can use _end when not running
 630 # the program to simulate an unreadable variable, if this platform
 631 # provides _end, but cope if it's missing.
 632
 633 mi_gdb_test "kill" \
 634     {&"kill\\n".*\^done} \
 635     "kill program before endvar"
 636
 637 mi_gdb_test "-var-create endvar * _end" \
 638     {(\^done,name="endvar",numchild="0",value=".*",type=".*"|\^error,msg=".*")} \
 639     "create endvar"
 640
 641 # Allow this to succeed whether the value is readable, unreadable, or
 642 # missing.  Most important is that GDB does not crash.
 643 mi_gdb_test "-var-update endvar" \
 644     {(\^done,changelist=\[.*\]|\^error,msg=".*not found")} \
 645     "update endvar"
 646
 647 mi_gdb_test "-var-delete endvar" \
 648     {(\^done,ndeleted="1"|\^error,msg=".*not found")} \
 649     "delete endvar"
 650
 651 mi_delete_breakpoints
 652
 653 with_test_prefix "second run" {
 654   mi_runto do_locals_tests
 655 }
 656
 657 mi_create_varobj "L" "lsimple" "in-and-out-of-scope: create varobj"
 658 mi_check_varobj_value "L" "{...}" "in-and-out-of-scope: check initial value"
 659
 660 mi_runto main
 661
 662 mi_gdb_test "-var-update L" \
 663     {\^done,changelist=\[{name="L",in_scope="false",type_changed="false",has_more="0"}\]} \
 664     "in-and-out-of-scope: out of scope now"
 665
 666 mi_gdb_test "-var-update L" \
 667     {\^done,changelist=\[]} \
 668     "in-and-out-of-scope: out of scope now, not changed"
 669
 670 mi_continue_to do_locals_tests
 671
 672 mi_gdb_test "-var-update L" \
 673     {\^done,changelist=\[{name="L",in_scope="true",type_changed="false",has_more="0"}\]} \
 674     "in-and-out-of-scope: in scope now"
 675
 676 mi_gdb_test "-var-update L" \
 677     {\^done,changelist=\[\]} \
 678     "in-and-out-of-scope: in scope now, not changed"
 679
 680 mi_gdb_exit
 681 return 0