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

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  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # Test essential Machine interface (MI) operations
  21 #
  22 # Verify that, using the MI, we can create, update, delete variables.
  23 #
  24
  25
  26 load_lib mi-support.exp
  27 set MIFLAGS "-i=mi"
  28
  29 gdb_exit
  30 if [mi_gdb_start] {
  31     continue
  32 }
  33
  34 set testfile "var-cmd"
  35 set srcfile ${testfile}.c
  36 set binfile ${objdir}/${subdir}/${testfile}
  37 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DFAKEARGV}] != "" } {
  38     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  39 }
  40
  41 mi_delete_breakpoints
  42 mi_gdb_reinitialize_dir $srcdir/$subdir
  43 mi_gdb_load ${binfile}
  44
  45
  46 #####                   #####
  47 #                           #
  48 #  Variable Creation tests  #
  49 #                           #
  50 #####                   #####
  51
  52 # Test:  c_variable-1.1
  53 # Desc:  Create global variable
  54
  55 mi_gdb_test "111-var-create global_simple * global_simple" \
  56         "111\\^done,name=\"global_simple\",numchild=\"6\",type=\"simpleton\"" \
  57         "create global variable"
  58
  59 # Test: c_variable-1.2
  60 # Desc: Create non-existent variable
  61
  62 mi_gdb_test "112-var-create bogus_unknown_variable * bogus_unknown_variable" \
  63         "&\"mi_cmd_var_create: unable to create variable object\\\\n\".*112\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
  64         "create non-existent variable"
  65
  66 # Test: c_variable-1.3
  67 # Desc: Create out of scope variable
  68
  69 mi_gdb_test "113-var-create argc * argc" \
  70         "&\"mi_cmd_var_create: unable to create variable object\\\\n\".*113\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
  71         "create out of scope variable"
  72
  73 mi_gdb_test "200-break-insert do_locals_tests" \
  74         "200\\^done,bkpt=\{number=\"1\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"do_locals_tests\",file=\".*var-cmd.c\",line=\"106\",times=\"0\"\}" \
  75         "break-insert operation"
  76
  77 mi_run_cmd
  78 # The running part has been checked already by mi_run_cmd
  79 gdb_expect {
  80     -re "\[\r\n\]*000\\*stopped,reason=\"breakpoint-hit\",bkptno=\"1\",thread-id=\"\[01\]\",frame=\{addr=\"$hex\",func=\"do_locals_tests\",args=\\\[\\\],file=\".*var-cmd.c\",line=\"106\"\}\r\n$mi_gdb_prompt$" {
  81         pass "run to do_locals_tests"
  82     }
  83     -re ".*$mi_gdb_prompt$" {fail "run to do_locals_tests (2)"}
  84     timeout {fail "run to do_locals_tests (timeout 2)"}
  85 }
  86
  87 # Test: c_variable-1.4
  88 # Desc: create local variables
  89
  90 mi_gdb_test "-var-create linteger * linteger" \
  91         "\\^done,name=\"linteger\",numchild=\"0\",type=\"int\"" \
  92         "create local variable linteger"
  93
  94 mi_gdb_test "-var-create lpinteger * lpinteger" \
  95         "\\^done,name=\"lpinteger\",numchild=\"1\",type=\"int \\*\"" \
  96         "create local variable lpinteger"
  97
  98 mi_gdb_test "-var-create lcharacter * lcharacter" \
  99         "\\^done,name=\"lcharacter\",numchild=\"0\",type=\"char\"" \
 100         "create local variablelcharacter "
 101
 102 mi_gdb_test "-var-create lpcharacter * lpcharacter" \
 103         "\\^done,name=\"lpcharacter\",numchild=\"1\",type=\"char \\*\"" \
 104         "create local variable lpcharacter"
 105
 106 mi_gdb_test "-var-create llong * llong" \
 107         "\\^done,name=\"llong\",numchild=\"0\",type=\"long int\"" \
 108         "create local variable llong"
 109
 110 mi_gdb_test "-var-create lplong * lplong" \
 111         "\\^done,name=\"lplong\",numchild=\"1\",type=\"long int \\*\"" \
 112         "create local variable lplong"
 113
 114 mi_gdb_test "-var-create lfloat * lfloat" \
 115         "\\^done,name=\"lfloat\",numchild=\"0\",type=\"float\"" \
 116         "create local variable lfloat"
 117
 118 mi_gdb_test "-var-create lpfloat * lpfloat" \
 119         "\\^done,name=\"lpfloat\",numchild=\"1\",type=\"float \\*\"" \
 120         "create local variable lpfloat"
 121
 122 mi_gdb_test "-var-create ldouble * ldouble" \
 123         "\\^done,name=\"ldouble\",numchild=\"0\",type=\"double\"" \
 124         "create local variable ldouble"
 125
 126 mi_gdb_test "-var-create lpdouble * lpdouble" \
 127         "\\^done,name=\"lpdouble\",numchild=\"1\",type=\"double \\*\"" \
 128         "create local variable lpdouble"
 129
 130 mi_gdb_test "-var-create lsimple * lsimple" \
 131         "\\^done,name=\"lsimple\",numchild=\"6\",type=\"struct _simple_struct\"" \
 132         "create local variable lsimple"
 133
 134 mi_gdb_test "-var-create lpsimple * lpsimple" \
 135         "\\^done,name=\"lpsimple\",numchild=\"6\",type=\"struct _simple_struct \\*\"" \
 136         "create local variable lpsimple"
 137
 138 mi_gdb_test "-var-create func * func" \
 139         "\\^done,name=\"func\",numchild=\"0\",type=\"void \\(\\*\\)\\((void|)\\)\"" \
 140         "create local variable func"
 141
 142 # Test: c_variable-1.5
 143 # Desc: create lsimple.character
 144 mi_gdb_test "-var-create lsimple.character * lsimple.character" \
 145         "\\^done,name=\"lsimple.character\",numchild=\"0\",type=\"char\"" \
 146         "create lsimple.character"
 147
 148 # Test: c_variable-1.6
 149 # Desc: create lpsimple->integer
 150 mi_gdb_test "-var-create lsimple->integer * lsimple->integer" \
 151         "\\^done,name=\"lsimple->integer\",numchild=\"0\",type=\"int\"" \
 152         "create lsimple->integer"
 153
 154 # Test: c_variable-1.7
 155 # Desc: ceate lsimple.integer
 156 mi_gdb_test "-var-create lsimple.integer * lsimple.integer" \
 157         "\\^done,name=\"lsimple.integer\",numchild=\"0\",type=\"int\"" \
 158         "create lsimple->integer"
 159
 160
 161 # Test: c_variable-1.9
 162 # Desc: create type name
 163 #    Type names (like int, long, etc..) are all proper expressions to gdb.
 164 #    make sure variable code does not allow users to create variables, though.
 165 mi_gdb_test "-var-create int * int" \
 166         "&\"Attempt to use a type name as an expression.mi_cmd_var_create: unable to create variable object\\\\n\".*\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
 167         "create int"
 168
 169
 170 #####             #####
 171 #                     #
 172 # Value changed tests #
 173 #                     #
 174 #####             #####
 175
 176 # Test: c_variable-2.1
 177 # Desc: check whether values changed at do_block_tests
 178 mi_gdb_test "-var-update *" \
 179         "\\^done,changelist=\{\}" \
 180         "update all vars"
 181
 182 # Step over "linteger = 1234;"
 183 mi_step_to "do_locals_tests" "" "var-cmd.c" "107" "step at do_locals_test"
 184
 185 # Test: c_variable-2.2
 186 # Desc: check whether only linteger changed values
 187 mi_gdb_test "-var-update *" \
 188         "\\^done,changelist=\{name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}" \
 189         "update all vars: linteger changed"
 190
 191 # Step over "lpinteger = &linteger;"
 192 mi_step_to "do_locals_tests" "" "var-cmd.c" 108 "step at do_locals_tests (2)"
 193
 194 # Test: c_variable-2.3
 195 # Desc: check whether only lpinteger changed
 196 mi_gdb_test "-var-update *" \
 197         "\\^done,changelist=\{name=\"lpinteger\",in_scope=\"true\",type_changed=\"false\"\}" \
 198         "update all vars: lpinteger changed"
 199
 200 # Step over "lcharacter = 'a';"
 201 mi_step_to "do_locals_tests" "" "var-cmd.c" "109" "step at do_locals_tests (3)"
 202
 203 # Test: c_variable-2.4
 204 # Desc: check whether only lcharacter changed
 205 mi_gdb_test "-var-update *" \
 206         "\\^done,changelist=\{name=\"lcharacter\",in_scope=\"true\",type_changed=\"false\"\}" \
 207         "update all vars: lcharacter changed"
 208
 209 # Step over "lpcharacter = &lcharacter;"
 210 mi_step_to "do_locals_tests" "" "var-cmd.c" "110" "step at do_locals_tests (4)"
 211
 212 # Test: c_variable-2.5
 213 # Desc: check whether only lpcharacter changed
 214 mi_gdb_test "-var-update *" \
 215         "\\^done,changelist=\{name=\"lpcharacter\",in_scope=\"true\",type_changed=\"false\"\}" \
 216         "update all vars: lpcharacter changed"
 217
 218
 219 # Step over:
 220 #  llong = 2121L;
 221 #  lplong = &llong;
 222 #  lfloat = 2.1;
 223 #  lpfloat = &lfloat;
 224 #  ldouble = 2.718281828459045;
 225 #  lpdouble = &ldouble;
 226 #  lsimple.integer = 1234;
 227 #  lsimple.unsigned_integer = 255;
 228 #  lsimple.character = 'a';
 229
 230 mi_execute_to "exec-step 9" "end-stepping-range" "do_locals_tests" "" \
 231         "var-cmd.c" "119" "" "step at do_locals_tests (5)"
 232
 233 # Test: c_variable-2.6
 234 # Desc: check whether llong, lplong, lfloat, lpfloat, ldouble, lpdouble, lsimple.integer,
 235 #       lsimple.unsigned_character lsimple.integer lsimple.character changed
 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=\"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\"\}" \
 238         "update all vars: many changed"
 239
 240 # Step over:
 241 #  lsimple.signed_character = 21;
 242 #  lsimple.char_ptr = &lcharacter;
 243 #  lpsimple = &lsimple;
 244 #  func = nothing;
 245
 246 mi_execute_to "exec-step 4" "end-stepping-range" "do_locals_tests" "" \
 247         "var-cmd.c" "125" "" "step at do_locals_tests (6)"
 248
 249 # Test: c_variable-2.7
 250 # Desc: check whether (lsimple.signed_character, lsimple.char_ptr) lpsimple, func changed
 251 mi_gdb_test "-var-update *" \
 252         "\\^done,changelist=\{name=\"func\",in_scope=\"true\",type_changed=\"false\",name=\"lpsimple\",in_scope=\"true\",type_changed=\"false\"\}" \
 253         "update all vars: func and lpsimple changed"
 254
 255 # Step over
 256 #  linteger = 4321;
 257 #  lcharacter = 'b';
 258 #  llong = 1212L;
 259 #  lfloat = 1.2;
 260 #  ldouble = 5.498548281828172;
 261 #  lsimple.integer = 255;
 262 #  lsimple.unsigned_integer = 4321;
 263 #  lsimple.character = 'b';
 264
 265 mi_execute_to "exec-step 8" "end-stepping-range" "do_locals_tests" "" \
 266         "var-cmd.c" "133" "" "step at do_locals_tests (7)"
 267
 268 # Test: c_variable-2.8
 269 # Desc: check whether linteger, lcharacter, llong, lfoat, ldouble, lsimple.integer,
 270 #       lpsimple.integer lsimple.character changed
 271 # Note: this test also checks that lpsimple->integer and lsimple.integer have
 272 #       changed (they are the same)
 273 mi_gdb_test "-var-update *" \
 274         "\\^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=\"lcharacter\",in_scope=\"true\",type_changed=\"false\",name=\"linteger\",in_scope=\"true\",type_changed=\"false\"\}" \
 275         "update all vars: func and lpsimple changed"
 276
 277
 278 ###
 279 #
 280 # Test assignment to variables. More tests on assignment are in other files.
 281 #
 282 ###
 283 mi_gdb_test "-var-assign global_simple 0" \
 284         "&\"mi_cmd_var_assign: Variable object is not editable\\\\n\".*\\^error,msg=\"mi_cmd_var_assign: Variable object is not editable\"" \
 285         "assign to global_simple"
 286
 287 mi_gdb_test "-var-assign linteger 3333" \
 288         "\\^done,value=\"3333\"" \
 289         "assign to linteger"
 290
 291 mi_gdb_test "-var-evaluate-expression linteger" \
 292         "\\^done,value=\"3333\"" \
 293         "eval linteger"
 294
 295 mi_gdb_test "-var-assign lpinteger \"&linteger + 3\"" \
 296         "\\^done,value=\"$hex\"" \
 297         "assign to lpinteger"
 298
 299 mi_gdb_test "-var-evaluate-expression lpinteger" \
 300         "\\^done,value=\"$hex\"" \
 301         "eval lpinteger"
 302
 303 # reset the values to the original ones so that the rest of the file doesn't suffer.
 304
 305 mi_gdb_test "-var-assign linteger 4321" \
 306         "\\^done,value=\"4321\"" \
 307         "assign to linteger"
 308
 309 mi_gdb_test "-var-assign lpinteger &linteger" \
 310         "\\^done,value=\"$hex\"" \
 311         "assign to lpinteger"
 312
 313 mi_gdb_test "-var-assign lcharacter 'z'" \
 314         "\\^done,value=\"122 'z'\"" \
 315         "assign to lcharacter"
 316
 317 mi_gdb_test "-var-evaluate-expression lcharacter" \
 318         "\\^done,value=\"122 'z'\"" \
 319         "eval lcharacter"
 320
 321 mi_gdb_test "-var-assign llong 1313L" \
 322         "\\^done,value=\"1313\"" \
 323         "assign to llong"
 324 mi_gdb_test "-var-evaluate-expression llong" \
 325         "\\^done,value=\"1313\"" \
 326         "eval llong"
 327 mi_gdb_test "-var-assign llong 1212L" \
 328         "\\^done,value=\"1212\"" \
 329         "assign to llong"
 330
 331 mi_gdb_test "-var-assign lplong &llong+4" \
 332         "\\^done,value=\"$hex\"" \
 333         "assign to lplong"
 334 mi_gdb_test "-var-evaluate-expression lplong" \
 335         "\\^done,value=\"$hex\"" \
 336         "eval lplong"
 337 mi_gdb_test "-var-assign lplong &llong" \
 338         "\\^done,value=\"$hex\"" \
 339         "assign to lplong"
 340
 341 mi_gdb_test "-var-assign lfloat 3.4567" \
 342         "\\^done,value=\"3.45.*\"" \
 343         "assign to lfloat"
 344 mi_gdb_test "-var-evaluate-expression lfloat" \
 345         "\\^done,value=\"3.45.*\"" \
 346         "eval lfloat"
 347 mi_gdb_test "-var-assign lfloat 1.2345" \
 348         "\\^done,value=\"1.23.*\"" \
 349         "assign to lfloat"
 350
 351 mi_gdb_test "-var-assign lpfloat &lfloat+4" \
 352         "\\^done,value=\"$hex\"" \
 353         "assign to lpfloat"
 354
 355 mi_gdb_test "-var-assign ldouble 5.333318284590435" \
 356         "\\^done,value=\"5.333318284590435\"" \
 357         "assign to ldouble"
 358
 359 mi_gdb_test "-var-assign func do_block_tests" \
 360         "\\^done,value=\"$hex <do_block_tests>\"" \
 361         "assign to func"
 362
 363 mi_gdb_test "-var-assign lsimple.character 'd'" \
 364         "\\^done,value=\"100 'd'\"" \
 365         "assign to lsimple.character"
 366
 367 mi_gdb_test "-var-assign  lsimple->integer 222" \
 368         "\\^done,value=\"222\"" \
 369         "assign to lsimple->integer"
 370
 371 mi_gdb_test "-var-assign lsimple.integer 333" \
 372         "\\^done,value=\"333\"" \
 373         "assign to lsimple.integer"
 374
 375 ######
 376 # End of assign tests
 377 #####
 378
 379 mi_gdb_test "-break-insert subroutine1" \
 380         "\\^done,bkpt=\{number=\"2\",type=\"breakpoint\",disp=\"keep\",enabled=\"y\",addr=\"$hex\",func=\"subroutine1\",file=\".*var-cmd.c\",line=\"146\",times=\"0\"\}" \
 381         "break-insert subroutine1"
 382 mi_continue_to "2" "subroutine1" \
 383         "\{name=\"i\",value=\"4321\"\},\{name=\"l\",value=\"$hex\"\}" \
 384         "var-cmd.c" "146" "continue to subroutine1"
 385
 386 # Test: c_variable-2.10
 387 # Desc: create variable for locals i,l in subroutine1
 388 mi_gdb_test "-var-create i  * i" \
 389         "\\^done,name=\"i\",numchild=\"0\",type=\"int\"" \
 390         "create i"
 391
 392 mi_gdb_test "-var-create l * l" \
 393         "\\^done,name=\"l\",numchild=\"1\",type=\"long int \\*\"" \
 394         "create l"
 395
 396 # Test: c_variable-2.11
 397 # Desc: create do_locals_tests local in subroutine1
 398 mi_gdb_test "-var-create linteger * linteger" \
 399         "&\"mi_cmd_var_create: unable to create variable object\\\\n\".*\\^error,msg=\"mi_cmd_var_create: unable to create variable object\"" \
 400         "create linteger"
 401
 402 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 403         "var-cmd.c" "147" "step at subroutine1"
 404
 405 # Test: c_variable-2.12
 406 # Desc: change global_simple.integer
 407 # Note: This also tests whether we are reporting changes in structs properly.
 408 #       gdb normally would say that global_simple has changed, but we
 409 #       special case that, since it is not what a human expects to
 410 #       see.
 411
 412 setup_xfail *-*-*
 413 mi_gdb_test "-var-update *" \
 414         "\\^done,changelist=\{FIXME: WHAT IS CORRECT HERE\}" \
 415         "update all vars: changed FIXME"
 416 clear_xfail *-*-*
 417
 418 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 419         "var-cmd.c" "148" "step at subroutine1 (2)"
 420
 421 # Test: c_variable-2.13
 422 # Desc: change subroutine1 local i
 423 mi_gdb_test "-var-update *" \
 424         "\\^done,changelist=\{name=\"i\",in_scope=\"true\",type_changed=\"false\"\}" \
 425         "update all vars: i changed"
 426
 427 mi_step_to "subroutine1" "\{name=\"i\",value=\".*\"\},\{name=\"l\",value=\".*\"\}" \
 428         "var-cmd.c" "149" "step at subroutine1 (3)"
 429
 430 # Test: c_variable-2.14
 431 # Desc: change do_locals_tests local llong
 432 mi_gdb_test "-var-update *" \
 433         "\\^done,changelist=\{name=\"llong\",in_scope=\"true\",type_changed=\"false\"\}" \
 434         "update all vars: llong changed"
 435
 436 mi_next_to "do_locals_tests" "" "var-cmd.c" "136" "next out of subroutine1"
 437
 438 # Test: c_variable-2.15
 439 # Desc: check for out of scope subroutine1 locals
 440 mi_gdb_test "-var-update *" \
 441         "\\^done,changelist=\{name=\"l\",in_scope=\"false\",name=\"i\",in_scope=\"false\"\}" \
 442         "update all vars: all now out of scope"
 443
 444 # Done with locals/globals tests. Erase all variables
 445 #delete_all_variables
 446 mi_gdb_test "-var-delete global_simple" \
 447         "\\^done,ndeleted=\"1\"" \
 448         "delete var"
 449
 450 mi_gdb_test "-var-delete linteger" \
 451         "\\^done,ndeleted=\"1\"" \
 452         "delete var linteger"
 453
 454 mi_gdb_test "-var-delete lpinteger" \
 455         "\\^done,ndeleted=\"1\"" \
 456         "delete var lpinteger"
 457
 458 mi_gdb_test "-var-delete lcharacter" \
 459         "\\^done,ndeleted=\"1\"" \
 460         "delete var lcharacter"
 461
 462 mi_gdb_test "-var-delete lpcharacter" \
 463         "\\^done,ndeleted=\"1\"" \
 464         "delete var lpcharacter"
 465
 466 mi_gdb_test "-var-delete llong" \
 467         "\\^done,ndeleted=\"1\"" \
 468         "delete var llong"
 469
 470 mi_gdb_test "-var-delete lplong" \
 471         "\\^done,ndeleted=\"1\"" \
 472         "delete var lplong"
 473
 474 mi_gdb_test "-var-delete lfloat" \
 475         "\\^done,ndeleted=\"1\"" \
 476         "delete var lfloat"
 477
 478 mi_gdb_test "-var-delete lpfloat" \
 479         "\\^done,ndeleted=\"1\"" \
 480         "delete var lpfloat"
 481
 482 mi_gdb_test "-var-delete ldouble" \
 483         "\\^done,ndeleted=\"1\"" \
 484         "delete var ldouble"
 485
 486 mi_gdb_test "-var-delete lpdouble" \
 487         "\\^done,ndeleted=\"1\"" \
 488         "delete var lpdouble"
 489
 490 mi_gdb_test "-var-delete lsimple" \
 491         "\\^done,ndeleted=\"1\"" \
 492         "delete var lsimple"
 493
 494 mi_gdb_test "-var-delete lpsimple" \
 495         "\\^done,ndeleted=\"1\"" \
 496         "delete var lpsimple"
 497
 498 mi_gdb_test "-var-delete func" \
 499         "\\^done,ndeleted=\"1\"" \
 500         "delete var func"
 501
 502 mi_gdb_test "-var-delete lsimple.character" \
 503         "\\^done,ndeleted=\"1\"" \
 504         "delete var lsimple.character"
 505
 506 mi_gdb_test "-var-delete  lsimple->integer" \
 507         "\\^done,ndeleted=\"1\"" \
 508         "delete var  lsimple->integer"
 509
 510 mi_gdb_test "-var-delete lsimple.integer" \
 511         "\\^done,ndeleted=\"1\"" \
 512         "delete var lsimple.integer"
 513
 514 mi_gdb_test "-var-delete i" \
 515         "\\^done,ndeleted=\"1\"" \
 516         "delete var i"
 517
 518 mi_gdb_test "-var-delete l" \
 519         "\\^done,ndeleted=\"1\"" \
 520         "delete var l"
 521
 522 mi_gdb_exit
 523 return 0