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1 227 jeremybenn
# Copyright 1999, 2000, 2001, 2002, 2004, 2005, 2007, 2008, 2009, 2010
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 .
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\",has_more=\"0\"\}\\\]" \
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\",has_more=\"0\"\}\\\]" \
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\",has_more=\"0\"\}\\\]" \
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\",has_more=\"0\"\}\\\]" \
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\",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\"\}\\\]" \
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\",has_more=\"0\"\},\{name=\"lpsimple\",in_scope=\"true\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
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\",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\"\}\\\]" \
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\",has_more=\"0\"\}\\\]" \
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\",has_more=\"0\"\}\\\]" \
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 \"" \
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 \"" \
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 \\*\",has_more=\"0\"" \
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\",has_more=\"0\"\}\\\]" \
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\",has_more=\"0\"\}\\\]" \
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\",has_more=\"0\"\}\\\]" \
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\",has_more=\"0\"},\{name=\"i\",in_scope=\"false\",type_changed=\"false\",has_more=\"0\"\}\\\]" \
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\",has_more=\"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\",has_more=\"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
mi_run_inline_test bitfield
581
 
582
# Since the inline test framework does not really work with
583
# function calls, first to inline tests and then do the reminder
584
# manually.
585
mi_run_inline_test floating
586
set do_at_tests_callee_breakpoint [gdb_get_line_number "breakpoint inside callee"]
587
mi_gdb_test "-break-insert var-cmd.c:$do_at_tests_callee_breakpoint" ".*" \
588
    "inside breakpoint inside callee"
589
mi_execute_to "exec-continue" "breakpoint-hit" do_at_tests_callee "" ".*" ".*" \
590
    { "" "disp=\"keep\"" } \
591
    "continue to where i is initialized"
592
 
593
mi_varobj_update F {F} "update F inside callee"
594
mi_check_varobj_value F 7 "check F inside callee"
595
 
596
# Test whether bad varobjs crash GDB.
597
 
598
# A varobj we fail to read during -var-update should be considered
599
# out of scope.
600
mi_gdb_test "-var-create null_ptr * **0" \
601
    {\^done,name="null_ptr",numchild="0",value=".*",type="int",has_more="0"} \
602
    "create null_ptr"
603
 
604
# Allow this to succeed, if address zero is readable, although it
605
# will not test what it was meant to.  Most important is that GDB
606
# does not crash.
607
mi_gdb_test "-var-update null_ptr" \
608
    {\^done,changelist=\[.*\]} \
609
    "update null_ptr"
610
 
611
mi_gdb_test "-var-delete null_ptr" \
612
    "\\^done,ndeleted=\"1\"" \
613
    "delete null_ptr"
614
 
615
# When we fail to read a varobj created from a named variable,
616
# we evaluate its type instead.  Make sure that doesn't blow
617
# up by trying to read it again.  We can use _end when not running
618
# the program to simulate an unreadable variable, if this platform
619
# provides _end, but cope if it's missing.
620
 
621
mi_gdb_test "kill" \
622
    {&"kill\\n".*\^done} \
623
    "kill program before endvar"
624
 
625
mi_gdb_test "-var-create endvar * _end" \
626
    {(\^done,name="endvar",numchild="0",value=".*",type=".*"|&".*unable to.*".*\^error,msg=".*")} \
627
    "create endvar"
628
 
629
# Allow this to succeed whether the value is readable, unreadable, or
630
# missing.  Most important is that GDB does not crash.
631
mi_gdb_test "-var-update endvar" \
632
    {(\^done,changelist=\[.*\]|^".*".*\^error,msg=".*not found")} \
633
    "update endvar"
634
 
635
mi_gdb_test "-var-delete endvar" \
636
    "\\^done,ndeleted=\"1\"" \
637
    "delete endvar"
638
 
639
mi_delete_breakpoints
640
 
641
mi_runto do_locals_tests
642
 
643
mi_create_varobj "L" "lsimple" "in-and-out-of-scope: create varobj"
644
mi_check_varobj_value "L" "{...}" "in-and-out-of-scope: check initial value"
645
 
646
mi_runto main
647
 
648
mi_gdb_test "-var-update L" \
649
    {\^done,changelist=\[{name="L",in_scope="false",type_changed="false",has_more="0"}\]} \
650
    "in-and-out-of-scope: out of scope now"
651
 
652
mi_gdb_test "-var-update L" \
653
    {\^done,changelist=\[]} \
654
    "in-and-out-of-scope: out of scope now, not changed"
655
 
656
mi_continue_to do_locals_tests
657
 
658
mi_gdb_test "-var-update L" \
659
    {\^done,changelist=\[{name="L",in_scope="true",type_changed="false",has_more="0"}\]} \
660
    "in-and-out-of-scope: in scope now"
661
 
662
mi_gdb_test "-var-update L" \
663
    {\^done,changelist=\[\]} \
664
    "in-and-out-of-scope: in scope now, not changed"
665
 
666
mi_gdb_exit
667
return 0

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