aboutsummaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.base/dump.exp
blob: a59c71b790afb77c0b54ecbde2e19983c83b538d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
# Copyright 2002, 2004, 2007-2012 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# This file was written by Michael Snyder (msnyder@redhat.com)
# This is a test for the gdb command "dump".

if $tracelevel then {
	strace $tracelevel
}


set testfile "dump"

set srcfile  ${testfile}.c
set binfile  ${objdir}/${subdir}/${testfile}
set options  {debug}

set is64bitonly "no"
set endian "auto"

if [istarget "alpha*-*-*"] then {
    # SREC etc cannot handle 64-bit addresses.  Force the test
    # program into the low 31 bits of the address space.
    lappend options "additional_flags=-Wl,-taso"
}

if {[istarget "ia64*-*-*"] || [istarget "hppa64-*-*"]} then {
    set is64bitonly "yes"
}

if {[istarget "spu*-*-*"]} then {
    # The internal address format used for the combined Cell/B.E.
    # debugger requires 64-bit.
    set is64bitonly "yes"
}

if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${options}] != "" } {
     untested dump.exp
     return -1
}

# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir

gdb_test "dump mem /dev/null 0x10 0x20" "Cannot access memory at address 0x10" \
	 "inaccessible memory is reported"

gdb_load ${binfile}

# Clean up any stale output files from previous test runs

remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec"

# Test help (FIXME:)

# Run target program until data structs are initialized.

if { ! [ runto checkpoint1 ] } then {
    untested dump.exp
    return -1
}

# Get the endianness for the later use with endianless formats.

gdb_test_multiple "show endian" "show endian" {
    -re ".* (big|little) endian.*$gdb_prompt $" { 
	set endian $expect_out(1,string) 
	pass "endianness: $endian"
    }
}

# Now generate some dump files.

proc make_dump_file { command msg } {
  global gdb_prompt

    gdb_test_multiple "${command}" "$msg" {
	-re ".*\[Ee\]rror.*$gdb_prompt $"      { fail $msg }
	-re ".*\[Ww\]arning.*$gdb_prompt $"    { fail $msg }
	-re ".*\[Uu\]ndefined .*$gdb_prompt $" { fail $msg }
	-re ".*$gdb_prompt $"                  { pass $msg }
    }
}

make_dump_file "dump val intarr1.bin intarray" \
	"dump array as value, default"

make_dump_file "dump val intstr1.bin intstruct" \
	"dump struct as value, default"

make_dump_file "dump bin val intarr1b.bin intarray" \
	"dump array as value, binary"

make_dump_file "dump bin val intstr1b.bin intstruct" \
	"dump struct as value, binary"

make_dump_file "dump srec val intarr1.srec intarray" \
	"dump array as value, srec"

make_dump_file "dump srec val intstr1.srec intstruct" \
	"dump struct as value, srec"

make_dump_file "dump ihex val intarr1.ihex intarray" \
	"dump array as value, intel hex"

make_dump_file "dump ihex val intstr1.ihex intstruct" \
	"dump struct as value, intel hex"

make_dump_file "dump tekhex val intarr1.tekhex intarray" \
	"dump array as value, tekhex"

make_dump_file "dump tekhex val intstr1.tekhex intstruct" \
	"dump struct as value, tekhex"

proc capture_value { expression args } {
    global gdb_prompt
    global expect_out

    set output_string ""
    if {[llength $args] > 0} {
	# Convert $args into a simple string.
	set test "[join $args]; capture $expression"
    } {
	set test "capture $expression"
    }
    gdb_test_multiple "print ${expression}" "$test" {
	-re "\\$\[0-9\]+ = (\[^\r\n\]+).*$gdb_prompt $" {
	    set output_string "$expect_out(1,string)"
	    pass "$test"
	}
	-re "(Cannot access memory at address \[^\r\n\]+).*$gdb_prompt $" {
	    # Even a failed value is valid
	    set output_string "$expect_out(1,string)"
	    pass "$test"
	}
    }
    return $output_string
}

# POINTER is a pointer and this proc captures the value of POINTER along
# with POINTER's type.  For example, POINTER is "&intarray", this proc will
# call "p &intarray", capture "(int (*)[32]) 0x804a0e0", and return this
# string.

proc capture_pointer_with_type { pointer } {
    global gdb_prompt
    global expect_out

    set test "capture type of pointer $pointer"
    set output_string ""
    gdb_test_multiple "p ${pointer}" $test {
	-re "\\$\[0-9\]+ = .*$gdb_prompt $" {
	    # Expected output of "p ${pointer}" is like "$7 = (int (*)[32]) 0x804a0e0",
	    # and we want to extract "(int (*)[32]) 0x804a0e0" from it via
	    # following regexp.
	    if [regexp " \\(.*\\).* 0x\[0-9a-fA-F\]+" $expect_out(0,string) output_string] {
		# OUTPUT_STRING is expected to be like "(int (*)[32]) 0x804a0e0".
		pass "$test"
	    } else {
		fail "$test"
	    }
	}
    }

    return $output_string
}

set array_start  [capture_value "/x &intarray\[0\]"]
set array_end    [capture_value "/x &intarray\[32\]"]
set struct_start [capture_value "/x &intstruct"]
set struct_end   [capture_value "/x &intstruct + 1"]

set array_val    [capture_value "intarray"]
set struct_val   [capture_value "intstruct"]

set array_ptr_type [capture_pointer_with_type "&intarray"]
set struct_ptr_type [capture_pointer_with_type "&intstruct"]

make_dump_file "dump mem intarr2.bin $array_start $array_end" \
	"dump array as memory, default"

make_dump_file "dump  mem intstr2.bin $struct_start $struct_end" \
	"dump struct as memory, default"

make_dump_file "dump bin mem intarr2b.bin $array_start $array_end" \
	"dump array as memory, binary"

make_dump_file "dump bin mem intstr2b.bin $struct_start $struct_end" \
	"dump struct as memory, binary"

make_dump_file "dump srec mem intarr2.srec $array_start $array_end" \
	"dump array as memory, srec"

make_dump_file "dump srec mem intstr2.srec $struct_start $struct_end" \
	"dump struct as memory, srec"

make_dump_file "dump ihex mem intarr2.ihex $array_start $array_end" \
	"dump array as memory, ihex"

make_dump_file "dump ihex mem intstr2.ihex $struct_start $struct_end" \
	"dump struct as memory, ihex"

make_dump_file "dump tekhex mem intarr2.tekhex $array_start $array_end" \
	"dump array as memory, tekhex"

make_dump_file "dump tekhex mem intstr2.tekhex $struct_start $struct_end" \
	"dump struct as memory, tekhex"

# test complex expressions
make_dump_file \
	"dump srec mem intarr3.srec &intarray \(char *\) &intarray + sizeof intarray" \
	"dump array as mem, srec, expressions"

proc test_restore_saved_value { restore_args msg oldval newval } {
    global gdb_prompt
    
    gdb_test "restore $restore_args" \
	"Restoring .*" \
	"$msg; file restored ok"
    if { ![string compare $oldval \
	       [capture_value $newval "$msg"]] } then { 
	pass "$msg; value restored ok"
    } else {
	fail "$msg; value restored ok"
    }
}

if ![string compare $is64bitonly "no"] then {

  gdb_test "print zero_all ()" ".*"

  test_restore_saved_value "intarr1.srec" "array as value, srec" \
	$array_val "intarray"

  test_restore_saved_value "intstr1.srec" "struct as value, srec" \
	$struct_val "intstruct"

  gdb_test "print zero_all ()" "void" "zero all"

  test_restore_saved_value "intarr2.srec" "array as memory, srec" \
	$array_val "intarray"

  test_restore_saved_value "intstr2.srec" "struct as memory, srec" \
	$struct_val "intstruct"

  gdb_test "print zero_all ()" ".*"

  test_restore_saved_value "intarr1.ihex" "array as value, ihex" \
	$array_val "intarray"

  test_restore_saved_value "intstr1.ihex" "struct as value, ihex" \
	$struct_val "intstruct"

  gdb_test "print zero_all ()" ".*"

  test_restore_saved_value "intarr2.ihex" "array as memory, ihex" \
	$array_val "intarray"

  test_restore_saved_value "intstr2.ihex" "struct as memory, ihex" \
	$struct_val "intstruct"

  gdb_test "print zero_all ()" ".*"

  test_restore_saved_value "intarr1.tekhex" "array as value, tekhex" \
	$array_val "intarray"

  test_restore_saved_value "intstr1.tekhex" "struct as value, tekhex" \
	$struct_val "intstruct"

  gdb_test "print zero_all ()" ".*"

  test_restore_saved_value "intarr2.tekhex" "array as memory, tekhex" \
	$array_val "intarray"

  test_restore_saved_value "intstr2.tekhex" "struct as memory, tekhex" \
	$struct_val "intstruct"
}

gdb_test "print zero_all ()" ".*"

test_restore_saved_value "intarr1.bin binary $array_start" \
	"array as value, binary" \
	$array_val "intarray"

test_restore_saved_value "intstr1.bin binary $struct_start" \
	"struct as value, binary" \
	$struct_val "intstruct"

gdb_test "print zero_all ()" ".*"

test_restore_saved_value "intarr2.bin binary $array_start" \
	"array as memory, binary" \
	$array_val "intarray"

test_restore_saved_value "intstr2.bin binary $struct_start" \
	"struct as memory, binary" \
	$struct_val "intstruct"

# test restore with offset.

set array2_start   [capture_value "/x &intarray2\[0\]"]
set struct2_start  [capture_value "/x &intstruct2"]
set array2_offset  \
	[capture_value "(char *) &intarray2 - (char *) &intarray"]
set struct2_offset \
	[capture_value "(char *) &intstruct2 - (char *) &intstruct"]

gdb_test "print zero_all ()" ".*"


if ![string compare $is64bitonly "no"] then {
  test_restore_saved_value "intarr1.srec $array2_offset" \
	"array copy, srec" \
	$array_val "intarray2"

  test_restore_saved_value "intstr1.srec $struct2_offset" \
	"struct copy, srec" \
	$struct_val "intstruct2"

  gdb_test "print zero_all ()" ".*"

  test_restore_saved_value "intarr1.ihex $array2_offset" \
	"array copy, ihex" \
	$array_val "intarray2"

  test_restore_saved_value "intstr1.ihex $struct2_offset" \
	"struct copy, ihex" \
	$struct_val "intstruct2"

  gdb_test "print zero_all ()" ".*"

  test_restore_saved_value "intarr1.tekhex $array2_offset" \
	"array copy, tekhex" \
	$array_val "intarray2"

  test_restore_saved_value "intstr1.tekhex $struct2_offset" \
	"struct copy, tekhex" \
	$struct_val "intstruct2"
}

gdb_test "print zero_all ()" ".*"

test_restore_saved_value "intarr1.bin binary $array2_start" \
	"array copy, binary" \
	$array_val "intarray2"

test_restore_saved_value "intstr1.bin binary $struct2_start" \
	"struct copy, binary" \
	$struct_val "intstruct2"

#
# test restore with start/stop addresses.
#
# For this purpose, we will restore just the third element of the array, 
# and check to see that adjacent elements are not modified.
#
# We will need the address and offset of the third and fourth elements.
#

set element3_start  [capture_value "/x &intarray\[3\]"]
set element4_start  [capture_value "/x &intarray\[4\]"]
set element3_offset \
	[capture_value "/x (char *) &intarray\[3\] - (char *) &intarray\[0\]"]
set element4_offset \
	[capture_value "/x (char *) &intarray\[4\] - (char *) &intarray\[0\]"]

if ![string compare $is64bitonly "no"] then {
  gdb_test "print zero_all ()" ".*"

  test_restore_saved_value "intarr1.srec 0 $element3_start $element4_start" \
	"array partial, srec" 4 "intarray\[3\]"

  gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 1"
  gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 1"

  gdb_test "print zero_all ()" ".*"

  test_restore_saved_value "intarr1.ihex 0 $element3_start $element4_start" \
	"array partial, ihex" 4 "intarray\[3\]"

  gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 2"
  gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 2"

  gdb_test "print zero_all ()" ".*"

  test_restore_saved_value "intarr1.tekhex 0 $element3_start $element4_start" \
	"array partial, tekhex" 4 "intarray\[3\]"

  gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 3"
  gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 3"
}

gdb_test "print zero_all ()" ".*"

test_restore_saved_value \
    "intarr1.bin binary $array_start $element3_offset $element4_offset" \
    "array partial, binary" 4 "intarray\[3\]"

gdb_test "print intarray\[2\] == 0" " = 1" "element 2 not changed - 4"
gdb_test "print intarray\[4\] == 0" " = 1" "element 4 not changed - 4"

if ![string compare $is64bitonly "no"] then {
  gdb_test "print zero_all ()" ".*" ""

  # restore with expressions 
  test_restore_saved_value \
	"intarr3.srec (char*)${array2_start}-(char*)${array_start} &intarray\[3\] &intarray\[4\]" \
	"array partial with expressions" 4 "intarray2\[3\]"

  gdb_test "print intarray2\[2\] == 0" " = 1" "element 2 not changed, == 4"
  gdb_test "print intarray2\[4\] == 0" " = 1" "element 4 not changed, == 4"
}


# Now start a fresh gdb session, and reload the saved value files.

gdb_exit
gdb_start
gdb_file_cmd ${binfile}

# Now fix the endianness at the correct state.

gdb_test_multiple "set endian $endian" "set endianness" {
    -re ".* (big|little) endian.*$gdb_prompt $" { 
	pass "setting $endian endianness"
    }
}

# Reload saved values one by one, and compare.

if { ![string compare $array_val \
	   [capture_value "intarray" "file binfile"]] } then {
    fail "start with intarray un-initialized"
} else {
    pass "start with intarray un-initialized"
}

if { ![string compare $struct_val \
	   [capture_value "intstruct" "file binfile"]] } then {
    fail "start with intstruct un-initialized"
} else {
    pass "start with intstruct un-initialized"
}

proc test_reload_saved_value { filename msg oldval newval } {
    global gdb_prompt
    
    gdb_file_cmd $filename
    if { ![string compare $oldval \
	       [capture_value $newval "$msg"]] } then { 
	pass "$msg; value restored ok"
    } else {
	fail "$msg; value restored ok"
    }
}

# srec format can not be loaded for 64-bit-only platforms
if ![string compare $is64bitonly "no"] then {
  test_reload_saved_value "intarr1.srec" "reload array as value, srec" \
	$array_val "\*$array_ptr_type"
  test_reload_saved_value "intstr1.srec" "reload struct as value, srec" \
	$struct_val "\*$struct_ptr_type"
  test_reload_saved_value "intarr2.srec" "reload array as memory, srec" \
	$array_val "\*$array_ptr_type"
  test_reload_saved_value "intstr2.srec" "reload struct as memory, srec" \
	$struct_val "\*$struct_ptr_type"
}

# ihex format can not be loaded for 64-bit-only platforms
if ![string compare $is64bitonly "no"] then {

  test_reload_saved_value "intarr1.ihex" "reload array as value, intel hex" \
	$array_val "\*$array_ptr_type"
  test_reload_saved_value "intstr1.ihex" "reload struct as value, intel hex" \
	$struct_val "\*$struct_ptr_type"
  test_reload_saved_value "intarr2.ihex" "reload array as memory, intel hex" \
	$array_val "\*$array_ptr_type"
  test_reload_saved_value "intstr2.ihex" "reload struct as memory, intel hex" \
	$struct_val "\*$struct_ptr_type"
}

# tekhex format can not be loaded for 64-bit-only platforms
if ![string compare $is64bitonly "no"] then {
  test_reload_saved_value "intarr1.tekhex" "reload array as value, tekhex" \
	$array_val "\*$array_ptr_type"
  test_reload_saved_value "intstr1.tekhex" "reload struct as value, tekhex" \
	$struct_val "\*$struct_ptr_type"
  test_reload_saved_value "intarr2.tekhex" "reload array as memory, tekhex" \
	$array_val "\*$array_ptr_type"
  test_reload_saved_value "intstr2.tekhex" "reload struct as memory, tekhex" \
	$struct_val "\*$struct_ptr_type"
}

# clean up files

remote_exec build "rm -f intarr1.bin intarr1b.bin intarr1.ihex intarr1.srec intarr1.tekhex intarr2.bin intarr2b.bin intarr2.ihex intarr2.srec intarr2.tekhex intstr1.bin intstr1b.bin intstr1.ihex intstr1.srec intstr1.tekhex intstr2.bin intstr2b.bin intstr2.ihex intstr2.srec intstr2.tekhex intarr3.srec"