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
|
# Copyright 1998-2016 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@cygnus.com)
load_lib "trace-support.exp"
gdb_exit
gdb_start
standard_testfile actions.c
if { [gdb_compile "$srcdir/$subdir/$srcfile" $binfile \
executable {debug nowarnings}] != "" } {
untested "failed to compile"
return -1
}
gdb_load $binfile
gdb_test "tstop" ".*" ""
gdb_test "tfind none" ".*" ""
runto_main
gdb_reinitialize_dir $srcdir/$subdir
if { ![gdb_target_supports_trace] } then {
unsupported "current target does not support trace"
return 1
}
set cr "\[\r\n\]+"
# If testing on a remote host, download the source file.
# remote_download host $srcdir/$subdir/$srcfile
#
# test general reporting of trace experiment results
#
set testline1 0
set testline2 0
set testline3 0
set testline4 0
set testline5 0
set testline6 0
set arg1 1
set arg2 2
set arg3 3
set arg4 4
set arg5 5
set arg6 6
set gdb_recursion_test_baseline [gdb_find_recursion_test_baseline $srcfile]
if { $gdb_recursion_test_baseline == -1 } {
fail "could not find gdb_recursion_test function"
return
}
set return_me 0
gdb_test_multiple "list $gdb_recursion_test_baseline, +12" "" {
-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+gdbtestline 1 " {
set testline1 $expect_out(1,string)
exp_continue
}
-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+gdbtestline 2 " {
set testline2 $expect_out(1,string)
exp_continue
}
-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+gdbtestline 3 " {
set testline3 $expect_out(1,string)
exp_continue
}
-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+gdbtestline 4 " {
set testline4 $expect_out(1,string)
exp_continue
}
-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+gdbtestline 5 " {
set testline5 $expect_out(1,string)
exp_continue
}
-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+gdbtestline 6 " {
set testline6 $expect_out(1,string)
exp_continue
}
-re ".*$gdb_prompt $" {
if { ($testline1 == 0) || ($testline2 == 0) || ($testline3 == 0) || ($testline4 == 0) || ($testline5 == 0) || ($testline6 == 0) } {
untested "unexpected testline values"
set return_me 1
all tests in this module will fail."
}
}
default {
untested "couldn't match pattern"
set return_me 1
all tests in this module will fail."
}
}
if { $return_me == 1 } then {
return -1
}
#
# Setup trace experiment. This will involve:
# 1) a tracepoint where nothing is collected
# 2) a tracepoint where only regs are collected
# 3) a tracepoint where only args are collected
# 4) a tracepoint where only locals are collected
# 5) a tracepoint where some amount of stack memory is collected.
# 6) a tracepoint where some expressions are collected.
#
gdb_delete_tracepoints
set tdp1 [gdb_gettpnum $testline1]
set tdp2 [gdb_gettpnum $testline2]
set tdp3 [gdb_gettpnum $testline3]
set tdp4 [gdb_gettpnum $testline4]
set tdp5 [gdb_gettpnum $testline5]
set tdp6 [gdb_gettpnum $testline6]
if { $tdp1 <= 0 || $tdp2 <= 0 || $tdp3 <= 0 || \
$tdp4 <= 0 || $tdp5 <= 0 || $tdp6 <= 0 } then {
fail "setting tracepoints failed"
return
}
gdb_trace_setactions "9.x: setup TP to collect regs" \
"$tdp2" \
"collect \$regs" "^$"
gdb_trace_setactions "9.x: setup TP to collect args" \
"$tdp3" \
"collect \$args" "^$"
gdb_trace_setactions "9.x: setup TP to collect locals" \
"$tdp4" \
"collect \$locs" "^$"
gdb_trace_setactions "9.x: setup TP to collect stack memory" \
"$tdp5" \
"collect \$$fpreg, \*\(void \*\*\) \$$spreg @ 64" "^$"
gdb_trace_setactions "9.x: setup TP to collect expressions" \
"$tdp6" \
"collect gdb_char_test, gdb_short_test, gdb_long_test" "^$"
gdb_test "tstart" ".*" ""
gdb_test "break end" ".*" ""
gdb_test "continue" \
"Continuing.*Breakpoint $decimal, end.*" \
"run trace experiment"
gdb_test "tstop" ".*" ""
gdb_tfind_test "9.1: init: make sure not debugging any trace frame" \
"none" "-1"
# 9.3 help tdump
gdb_test "help tdump" "Print everything collected at the current.*" \
"9.3: help tdump"
# Check the collected trace data from different sources, such as live
# inferior and tfile.
proc use_collected_data { data_source } {
with_test_prefix "${data_source}" {
global tdp1 tdp2 tdp3 tdp4 tdp5 tdp6
global testline1 testline2 testline3 testline4 testline5 testline6
global pcreg fpreg spreg
global srcfile srcdir subdir binfile
global arg1 arg3
global decimal hex gdb_prompt
#
# 9.1 test the tdump command
#
set timeout 60
gdb_tfind_test "9.1: find frame for TP $tdp1" "tracepoint $tdp1" \
"\$tracepoint" "$tdp1"
# Nothing was collected at tdp1, so this tdump should be empty.
gdb_test "tdump" \
"Data collected at tracepoint $tdp1, trace frame $decimal:" \
"9.1: tdump, nothing collected"
gdb_tfind_test "9.1: find frame for TP $tdp2" "tracepoint $tdp2" \
"\$tracepoint" "$tdp2"
# regs were collected at tdp2.
# How to match for the output of "info registers" on an unknown architecture?
# For now, assume that most architectures have a register called "pc".
gdb_test "tdump" \
"\[\r\n\]$pcreg .*" \
"9.1: tdump, regs collected"
gdb_tfind_test "9.1: find frame for TP $tdp3" "tracepoint $tdp3" \
"\$tracepoint" "$tdp3"
# args were collected at tdp3
gdb_test "tdump" \
"depth = 3.*q1 = 2.*q2 = 2.*q3 = 3.*q4 = 4.*q5 = 5.*q6 = 6" \
"9.1: tdump, args collected"
gdb_tfind_test "9.1: find frame for TP $tdp4" "tracepoint $tdp4" \
"\$tracepoint" "$tdp4"
# locals were collected at tdp4
gdb_test "tdump" \
"q = 1" \
"9.1: tdump, locals collected"
gdb_tfind_test "9.1: find frame for TP $tdp5" "tracepoint $tdp5" \
"\$tracepoint" "$tdp5"
# stack was collected at tdp5, plus the frame pointer
gdb_test "tdump" \
".$fpreg = .*$spreg @ 64 = .*" \
"9.1: tdump, memrange collected"
gdb_tfind_test "9.1: find frame for TP $tdp6" "tracepoint $tdp6" \
"\$tracepoint" "$tdp6"
# globals were collected at tdp6
gdb_test "tdump" \
"gdb_char_test = 1.*gdb_short_test = 2.*gdb_long_test = 3" \
"9.1: tdump, global variables collected"
# 9.2 test tdump with arguments
# [no go, tdump doesn't have any arguments]
set linecount1 0
set linecount2 0
set linecount3 0
set linecount4 0
set linecount5 0
set linecount6 0
gdb_tfind_test "11.x, 12.1: find start frame" "start" "0"
#
# 11.x test built-in trace variables $trace_frame, $trace_line etc.
#
gdb_test "printf \"x %d x\\n\", \$trace_frame" "x 0 x" \
"11.1: test \$trace_frame"
gdb_test "printf \"x %d x\\n\", \$tracepoint" "x $tdp1 x" \
"11.2: test \$tracepoint"
gdb_test "printf \"x %d x\\n\", \$trace_line" "x $testline1 x" \
"11.3: test \$trace_line"
gdb_test_multiple "print \$trace_file" "11.4: test \$trace_file" {
-re "\\$\[0-9\]+ = \"$srcfile\"\[\r\n\]+$gdb_prompt $" {
pass "11.4: test \$trace_file"
}
-re "\\$\[0-9\]+ = \"$srcdir/$subdir/$srcfile\"\[\r\n\]+$gdb_prompt $" {
pass "11.4: test \$trace_file"
}
}
#gdb_test "print \$trace_file" "\"$srcdir/$subdir/$srcfile\"" \
# "11.4: test \$trace_file"
#
# 12.x test report generation using arbitrary GDB commands, loops etc.
#
gdb_test_multiple "while \$trace_frame != -1\n output \$trace_file\n printf \", line \%d \(tracepoint #\%d\)\\n\", \$trace_line, \$tracepoint\n tfind\n end" "12.1: trace report #1" {
-re "> end\r\n" {
exp_continue
}
-re "^Found trace frame \[0-9\]+, tracepoint \[0-9\]+\r\n" {
exp_continue
}
-re "^\[^\r\n\]* line $testline1 .tracepoint .$tdp1\\)\r\n" {
set linecount1 [expr $linecount1 + 1]
exp_continue
}
-re "^\[^\r\n\]* line $testline2 .tracepoint .$tdp2\\)\r\n" {
set linecount2 [expr $linecount2 + 1]
exp_continue
}
-re "^\[^\r\n\]* line $testline3 .tracepoint .$tdp3\\)\r\n" {
set linecount3 [expr $linecount3 + 1]
exp_continue
}
-re "^\[^\r\n\]* line $testline4 .tracepoint .$tdp4\\)\r\n" {
set linecount4 [expr $linecount4 + 1]
exp_continue
}
-re "^\[^\r\n\]* line $testline5 .tracepoint .$tdp5\\)\r\n" {
set linecount5 [expr $linecount5 + 1]
exp_continue
}
-re "^\[^\r\n\]* line $testline6 .tracepoint .$tdp6\\)\r\n" {
set linecount6 [expr $linecount6 + 1]
exp_continue
}
-re "^No trace frame found\r\n$gdb_prompt $" {
if { ($linecount1 < 4) || ($linecount2 < 4) || ($linecount3 < 4) || ($linecount4 < 4) || ($linecount5 < 4) || ($linecount6 < 4) } {
fail "12.1: trace report #1"
} else {
pass "12.1: trace report #1"
}
}
}
gdb_tfind_test "12.2: tfind end, selects no frame" "end" "-1"
gdb_tfind_test "12.2: find first TDP #2 frame" "tracepoint $tdp2" \
"\$tracepoint" "$tdp2"
set linecount2 0
gdb_test_multiple "while \$trace_frame != -1\n printf \"tracepoint #\%d, FP 0x\%08x, SP 0x\%08x, PC 0x%08x\\n\", \$tracepoint, \$fp, \$sp, \$pc\n tfind tracepoint\n end" "12.2: trace report #2" {
-re "tracepoint #$tdp2, FP $hex, SP $hex, PC $hex" {
set linecount2 [expr $linecount2 + 1]
exp_continue
}
-re ".*$gdb_prompt $" {
if { ($linecount2 < 4) } {
fail "12.2: trace report #2"
} else {
pass "12.2: trace report #2"
}
}
}
gdb_tfind_test "12.3: tfind end, selects no frame" "end" "-1"
gdb_tfind_test "12.3: find first TDP #3 frame" "tracepoint $tdp3" \
"\$tracepoint" "$tdp3"
set linecount3 0
gdb_test_multiple "while \$trace_frame != -1\n printf \"TDP #\%d, frame \%d: depth = \%d, q1 = \%d\\n\", \$tracepoint, \$trace_frame, depth, q1\n tfind tracepoint\n end" "12.3: trace report #3" {
-re "TDP #$tdp3, frame $decimal: depth = $decimal, q1 = $decimal" {
set linecount3 [expr $linecount3 + 1]
exp_continue
}
-re ".*$gdb_prompt $" {
if { ($linecount3 < 4) } {
fail "12.3: trace report #3"
} else {
pass "12.3: trace report #3"
}
}
}
gdb_tfind_test "12.4: tfind end, selects no frame" "end" "-1"
gdb_tfind_test "12.4: find first TDP #6 frame" "tracepoint $tdp6" \
"\$tracepoint" "$tdp6"
set linecount6 0
gdb_test_multiple "while \$trace_frame != -1\n printf \"TDP #\%d, frame %d: char_test = \%d, long_test = \%d\\n\", \$tracepoint, \$trace_frame, gdb_char_test, gdb_long_test\n tfind tracepoint\n end" "12.4: trace report #4" {
-re "TDP #$tdp6, frame $decimal: char_test = $arg1, long_test = $arg3" {
set linecount6 [expr $linecount6 + 1]
exp_continue
}
-re ".*$gdb_prompt $" {
if { ($linecount6 < 4) } {
fail "12.4: trace report #4"
} else {
pass "12.4: trace report #4"
}
}
}
# There is always a thread of an inferior, either a live one or
# a faked one.
gdb_test "info threads" "\\* ${decimal} (process|Thread) \[0-9\.\]+\[ \t\].*"
gdb_test "info inferiors" "\\* 1 process ${decimal} \[ \t\]+${binfile}.*"
}
}
use_collected_data "live"
# Finished!
gdb_tfind_test "finished: make sure not debugging any trace frame" \
"none" "-1"
# Save trace frames to tfile.
set tracefile [standard_output_file ${testfile}]
gdb_test "tsave ${tracefile}.tf" \
"Trace data saved to file '${tracefile}.tf'.*" \
"save tfile trace file"
# Save trace frames to ctf.
gdb_test "tsave -ctf ${tracefile}.ctf" \
"Trace data saved to directory '${tracefile}.ctf'.*" \
"save ctf trace file"
# Change target to tfile.
set test "change to tfile target"
gdb_test_multiple "target tfile ${tracefile}.tf" "$test" {
-re "A program is being debugged already. Kill it. .y or n. " {
send_gdb "y\n"
exp_continue
}
-re "$gdb_prompt $" {
pass "$test"
}
}
# Test the collected trace frames from tfile.
use_collected_data "tfile"
# Try to read ctf data if GDB supports.
gdb_test_multiple "target ctf ${tracefile}.ctf" "" {
-re "Undefined target command: \"ctf ${tracefile}.ctf\"\. Try \"help target\"\.\r\n$gdb_prompt $" {
}
-re ".*\r\n$gdb_prompt $" {
use_collected_data "ctf"
}
}
|