gdb/testsuite/
[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.base / break.exp
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b6ba6518 1# Copyright 1988, 1990, 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999,
7b6bb8da
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2# 2000, 2002, 2003, 2007, 2008, 2009, 2010, 2011
3# Free Software Foundation, Inc.
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4
5# This program is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
e22f8b7c 7# the Free Software Foundation; either version 3 of the License, or
c906108c 8# (at your option) any later version.
e22f8b7c 9#
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10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13# GNU General Public License for more details.
e22f8b7c 14#
c906108c 15# You should have received a copy of the GNU General Public License
e22f8b7c 16# along with this program. If not, see <http://www.gnu.org/licenses/>.
c906108c 17
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18# This file was written by Rob Savoye. (rob@cygnus.com)
19
dbc52822 20if { [prepare_for_testing break.exp "break" {break.c break1.c} {debug nowarnings}] } {
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21 return -1
22}
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23set srcfile break.c
24set srcfile1 break1.c
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25#
26# test simple breakpoint setting commands
27#
28
29# Test deleting all breakpoints when there are none installed,
30# GDB should not prompt for confirmation.
9d6f42e9 31# Note that lib/gdb.exp provides a "delete_breakpoints" proc
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32# for general use elsewhere.
33
34send_gdb "delete breakpoints\n"
35gdb_expect {
36 -re "Delete all breakpoints.*$" {
37 send_gdb "y\n"
38 gdb_expect {
39 -re "$gdb_prompt $" {
40 fail "Delete all breakpoints when none (unexpected prompt)"
41 }
42 timeout { fail "Delete all breakpoints when none (timeout after unexpected prompt)" }
43 }
44 }
45 -re ".*$gdb_prompt $" { pass "Delete all breakpoints when none" }
46 timeout { fail "Delete all breakpoints when none (timeout)" }
47}
48
49#
50# test break at function
51#
52gdb_test "break main" \
53 "Breakpoint.*at.* file .*$srcfile, line.*" \
54 "breakpoint function"
55
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56#
57# test break at quoted function
58#
59gdb_test "break \"marker2\"" \
a1dea79a 60 "Breakpoint.*at.* file .*$srcfile1, line.*" \
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61 "breakpoint quoted function"
62
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63#
64# test break at function in file
65#
66gdb_test "break $srcfile:factorial" \
67 "Breakpoint.*at.* file .*$srcfile, line.*" \
68 "breakpoint function in file"
69
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70set bp_location1 [gdb_get_line_number "set breakpoint 1 here"]
71
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72#
73# test break at line number
74#
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75# Note that the default source file is the last one whose source text
76# was printed. For native debugging, before we've executed the
77# program, this is the file containing main, but for remote debugging,
78# it's wherever the processor was stopped when we connected to the
79# board. So, to be sure, we do a list command.
80#
81gdb_test "list main" \
82 ".*main \\(argc, argv, envp\\).*" \
83 "use `list' to establish default source file"
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84gdb_test "break $bp_location1" \
85 "Breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \
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86 "breakpoint line number"
87
88#
89# test duplicate breakpoint
90#
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91gdb_test "break $bp_location1" \
92 "Note: breakpoint \[0-9\]+ also set at pc.*Breakpoint \[0-9\]+ at.* file .*$srcfile, line $bp_location1\\." \
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93 "breakpoint duplicate"
94
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95set bp_location2 [gdb_get_line_number "set breakpoint 2 here"]
96
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97#
98# test break at line number in file
99#
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100gdb_test "break $srcfile:$bp_location2" \
101 "Breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \
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102 "breakpoint line number in file"
103
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104set bp_location3 [gdb_get_line_number "set breakpoint 3 here"]
105set bp_location4 [gdb_get_line_number "set breakpoint 4 here"]
c906108c 106
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107#
108# Test putting a break at the start of a multi-line if conditional.
109# Verify the breakpoint was put at the start of the conditional.
110#
111gdb_test "break multi_line_if_conditional" \
a50d3602 112 "Breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \
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113 "breakpoint at start of multi line if conditional"
114
115gdb_test "break multi_line_while_conditional" \
a50d3602 116 "Breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \
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117 "breakpoint at start of multi line while conditional"
118
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119set bp_location5 [gdb_get_line_number "set breakpoint 5 here"]
120set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
121
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122#
123# check to see what breakpoints are set
124#
125if [target_info exists gdb_stub] {
a50d3602 126 set main_line $bp_location5
c906108c 127} else {
a50d3602 128 set main_line $bp_location6
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129}
130
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131if {$hp_aCC_compiler} {
132 set proto "\\(int\\)"
133} else {
134 set proto ""
135}
82025e13 136
a50d3602 137set bp_location7 [gdb_get_line_number "set breakpoint 7 here"]
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138set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1]
139set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1]
a50d3602 140
c906108c 141gdb_test "info break" \
54e52265 142 "Num Type\[ \]+Disp Enb Address\[ \]+What.*
c906108c 143\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$main_line.*
a1dea79a 144\[0-9\]+\[\t \]+breakpoint keep y.* in marker2 at .*$srcfile1:($bp_location8|$bp_location9).*
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145\[0-9\]+\[\t \]+breakpoint keep y.* in factorial$proto at .*$srcfile:$bp_location7.*
146\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.*
147\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location1.*
148\[0-9\]+\[\t \]+breakpoint keep y.* in main at .*$srcfile:$bp_location2.*
149\[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_if_conditional at .*$srcfile:$bp_location3.*
150\[0-9\]+\[\t \]+breakpoint keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \
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151 "breakpoint info"
152
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153#
154# Test info breakpoint with arguments
155#
156
157set see1 0
158set see2 0
159set see3 0
160set see4 0
161set see5 0
162set see6 0
163
164gdb_test_multiple "info break 2 4 6" "info break 2 4 6" {
165 -re "1\[\t \]+breakpoint *keep y\[^\r\n\]*:$main_line\[^\r\n\]*" {
166 set see1 1
167 exp_continue
168 }
169 -re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
170 set see2 1
171 exp_continue
172 }
173 -re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
174 set see3 1
175 exp_continue
176 }
177 -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
178 set see4 1
179 exp_continue
180 }
181 -re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
182 set see5 1
183 exp_continue
184 }
185 -re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
186 set see6 1
187 exp_continue
188 }
189 -re ".*$gdb_prompt $" {
190 if { !$see1 && $see2 && !$see3 && $see4 && !$see5 && $see6 } then {
191 pass "info break 2 4 6"
192 } else {
193 fail "info break 2 4 6"
194 }
195 }
196}
197
198set see1 0
199set see2 0
200set see3 0
201set see4 0
202set see5 0
203set see6 0
204
205gdb_test_multiple "info break 3-5" "info break 3-5" {
206 -re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
207 set see1 1
208 exp_continue
209 }
210 -re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
211 set see2 1
212 exp_continue
213 }
214 -re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
215 set see3 1
216 exp_continue
217 }
218 -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
219 set see4 1
220 exp_continue
221 }
222 -re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
223 set see5 1
224 exp_continue
225 }
226 -re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
227 set see6 1
228 exp_continue
229 }
230 -re ".*$gdb_prompt $" {
231 if { !$see1 && !$see2 && $see3 && $see4 && $see5 && !$see6 } then {
232 pass "info break 3-5"
233 } else {
234 fail "info break 3-5"
235 }
236 }
237}
238
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239#
240# Test disable/enable with arguments
241#
242
243# Test with value history
244
245gdb_test "print 1" "" ""
246gdb_test "print 2" "" ""
247gdb_test "print 3" "" ""
248gdb_test "print 4" "" ""
249gdb_test "print 5" "" ""
250gdb_test "print 6" "" ""
251
252# $2 is 2 and $$ is 5
253gdb_test_no_output "disable \$2 \$\$" "disable using history values"
254
255set see1 0
256set see2 0
257set see3 0
258set see4 0
259set see5 0
260set see6 0
261
262gdb_test_multiple "info break" "check disable with history values" {
263 -re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
264 set see1 1
265 exp_continue
266 }
267 -re "2\[\t \]+breakpoint *keep n\[^\r\n\]* in marker2 at \[^\r\n\]*" {
268 set see2 1
269 exp_continue
270 }
271 -re "3\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location7\[^\r\n\]*" {
272 set see3 1
273 exp_continue
274 }
275 -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
276 set see4 1
277 exp_continue
278 }
279 -re "5\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location1\[^\r\n\]*" {
280 set see5 1
281 exp_continue
282 }
283 -re "6\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location2\[^\r\n\]*" {
284 set see6 1
285 exp_continue
286 }
287 -re ".*$gdb_prompt $" {
288 if { $see1 && $see2 && $see3 && $see4 && $see5 && $see6 } then {
289 pass "check disable with history values"
290 } else {
291 fail "check disable with history values"
292 }
293 }
294}
295
296gdb_test "enable" "" ""
297gdb_test "set \$foo = 3" "" ""
298gdb_test "set \$bar = 6" "" ""
299gdb_test_no_output "disable \$foo \$bar" "disable with convenience values"
300
301set see1 0
302set see2 0
303set see3 0
304set see4 0
305set see5 0
306set see6 0
307
308gdb_test_multiple "info break" "check disable with convenience values" {
309 -re "1\[\t \]+breakpoint *keep y.* in main at .*:$main_line\[^\r\n\]*" {
310 set see1 1
311 exp_continue
312 }
313 -re "2\[\t \]+breakpoint *keep y\[^\r\n\]* in marker2 at \[^\r\n\]*" {
314 set see2 1
315 exp_continue
316 }
317 -re "3\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location7\[^\r\n\]*" {
318 set see3 1
319 exp_continue
320 }
321 -re "4\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
322 set see4 1
323 exp_continue
324 }
325 -re "5\[\t \]+breakpoint *keep y\[^\r\n\]*$bp_location1\[^\r\n\]*" {
326 set see5 1
327 exp_continue
328 }
329 -re "6\[\t \]+breakpoint *keep n\[^\r\n\]*$bp_location2\[^\r\n\]*" {
330 set see6 1
331 exp_continue
332 }
333 -re ".*$gdb_prompt $" {
334 if { $see1 && $see2 && $see3 && $see4 && $see5 && $see6 } then {
335 pass "check disable with convenience values"
336 } else {
337 fail "check disable with convenience values"
338 }
339 }
340}
341
342# test with bad values
343
344gdb_test "enable" "" ""
345gdb_test "disable 10" "No breakpoint number 10." \
346 "disable non-existent breakpoint 10"
347
348gdb_test "set \$baz 1.234"
349gdb_test "disable \$baz" \
350 "Convenience variable must have integer value.*" \
351 "disable with non-integer convenience var"
352gdb_test "disable \$grbx" \
353 "Convenience variable must have integer value.*" \
354 "disable with non-existent convenience var"
355gdb_test "disable \$10" \
356 "History has not yet reached .10." \
357 "disable with non-existent history value"
358gdb_test "disable \$1foo" \
359 "Convenience variable must have integer value.*" \
360 "disable with badly formed history value"
361
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362# FIXME: The rest of this test doesn't work with anything that can't
363# handle arguments.
364# Huh? There doesn't *appear* to be anything that passes arguments
365# below.
366if [istarget "mips-idt-*"] then {
367 return
368}
369
370#
371# run until the breakpoint at main is hit. For non-stubs-using targets.
372#
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373gdb_run_cmd
374gdb_expect {
375 -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
376 pass "run until function breakpoint"
c906108c 377 }
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378 -re "$gdb_prompt $" {
379 fail "run until function breakpoint"
380 }
381 timeout {
382 fail "run until function breakpoint (timeout)"
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383 }
384}
385
386#
387# run until the breakpoint at a line number
388#
a50d3602 389gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \
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390 "run until breakpoint set at a line number"
391
392#
393# Run until the breakpoint set in a function in a file
394#
395for {set i 6} {$i >= 1} {incr i -1} {
a50d3602 396 gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \
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397 "run until file:function($i) breakpoint"
398}
399
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400#
401# Run until the breakpoint set at a quoted function
402#
a1dea79a 403gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile1:($bp_location8|$bp_location9).*" \
df763c7f 404 "run until quoted breakpoint"
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405#
406# run until the file:function breakpoint at a line number in a file
407#
a50d3602 408gdb_test continue "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \
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409 "run until file:linenum breakpoint"
410
2acceee2 411# Test break at offset +1
a50d3602 412set bp_location10 [gdb_get_line_number "set breakpoint 10 here"]
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413
414gdb_test "break +1" \
a50d3602 415 "Breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \
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416 "breakpoint offset +1"
417
418# Check to see if breakpoint is hit when stepped onto
419
420gdb_test "step" \
a50d3602 421 ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \
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422 "step onto breakpoint"
423
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424# Check to see if breakpoint can be set on ending brace of function
425set bp_location10a [gdb_get_line_number "set breakpoint 10a here"]
426
427gdb_test "break $bp_location10a" \
428 "Breakpoint.*at.* file .*$srcfile, line $bp_location10a\\." \
429 "setting breakpoint at }"
430
431gdb_test "continue" \
432 ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10a.*$bp_location10a\[\t \]+}.*breakpoint 10a here.*" \
433 "continue to breakpoint at }"
434
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435#
436# delete all breakpoints so we can start over, course this can be a test too
437#
438delete_breakpoints
439
440#
441# test temporary breakpoint at function
442#
443
18ac113b 444gdb_test "tbreak main" "Temporary breakpoint.*at.* file .*$srcfile, line.*" "Temporary breakpoint function"
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445
446#
447# test break at function in file
448#
449
18ac113b 450gdb_test "tbreak $srcfile:factorial" "Temporary breakpoint.*at.* file .*$srcfile, line.*" \
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451 "Temporary breakpoint function in file"
452
453#
454# test break at line number
455#
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456gdb_test "tbreak $bp_location1" \
457 "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location1.*" \
458 "Temporary breakpoint line number #1"
c906108c 459
18ac113b 460gdb_test "tbreak $bp_location6" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location6.*" "Temporary breakpoint line number #2"
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461
462#
463# test break at line number in file
464#
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465gdb_test "tbreak $srcfile:$bp_location2" \
466 "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location2.*" \
467 "Temporary breakpoint line number in file #1"
c906108c 468
a50d3602 469set bp_location11 [gdb_get_line_number "set breakpoint 11 here"]
18ac113b 470gdb_test "tbreak $srcfile:$bp_location11" "Temporary breakpoint.*at.* file .*$srcfile, line $bp_location11.*" "Temporary breakpoint line number in file #2"
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471
472#
473# check to see what breakpoints are set (temporary this time)
474#
54e52265 475gdb_test "info break" "Num Type.*Disp Enb Address.*What.*\[\r\n\]
085dd6e6 476\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$main_line.*\[\r\n\]
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477\[0-9\]+\[\t \]+breakpoint del.*y.*in factorial$proto at .*$srcfile:$bp_location7.*\[\r\n\]
478\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location1.*\[\r\n\]
479\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location6.*\[\r\n\]
480\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location2.*\[\r\n\]
481\[0-9\]+\[\t \]+breakpoint del.*y.*in main at .*$srcfile:$bp_location11.*" \
085dd6e6 482 "Temporary breakpoint info"
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483
484
485#***********
486
487# Verify that catchpoints for fork, vfork and exec don't trigger
488# inappropriately. (There are no calls to those system functions
489# in this test program.)
490#
491if ![runto_main] then { fail "break tests suppressed" }
492
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493gdb_test "catch" \
494 "Catch requires an event name." \
495 "catch requires an event name"
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496
497
498set name "set catch fork, never expected to trigger"
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499gdb_test_multiple "catch fork" "$name" {
500 -re "Catchpoint \[0-9\]* .fork..*$gdb_prompt $" {
501 pass $name
502 }
503 -re "Catch of fork not yet implemented.*$gdb_prompt $" {
504 pass $name
505 }
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506}
507
508
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509# If we are on HP-UX 10.20, we expect an error message to be
510# printed if we type "catch vfork" at the gdb gdb_prompt. This is
511# because on HP-UX 10.20, we cannot catch vfork events.
512
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513set name "set catch vfork, never expected to trigger"
514
c906108c 515if [istarget "hppa*-hp-hpux10.20"] then {
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516 gdb_test "catch vfork" \
517 "Catch of vfork events not supported on HP-UX 10.20..*" \
518 "$name"
c906108c 519} else {
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520 gdb_test_multiple "catch vfork" "$name" {
521 -re "Catchpoint \[0-9\]* .vfork..*$gdb_prompt $" {
522 pass $name
523 }
524 -re "Catch of vfork not yet implemented.*$gdb_prompt $" {
525 pass $name
526 }
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527 }
528}
529
530set name "set catch exec, never expected to trigger"
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531gdb_test_multiple "catch exec" "$name" {
532 -re "Catchpoint \[0-9\]* .exec..*$gdb_prompt $" {
533 pass $name
534 }
535 -re "Catch of exec not yet implemented.*$gdb_prompt $" {
536 pass $name
537 }
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538}
539
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540# Verify that GDB responds gracefully when asked to set a breakpoint
541# on a nonexistent source line.
542#
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543gdb_test "break 999" \
544 "No line 999 in file .*" \
545 "break on non-existent source line"
c906108c 546
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547# Run to the desired default location. If not positioned here, the
548# tests below don't work.
549#
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550gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" \
551 "until bp_location1"
0fbc361c 552
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553# Verify that GDB allows one to just say "break", which is treated
554# as the "default" breakpoint. Note that GDB gets cute when printing
555# the informational message about other breakpoints at the same
556# location. We'll hit that bird with this stone too.
557#
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558gdb_test "break" "Breakpoint \[0-9\]*.*" \
559 "break on default location, 1st time"
c906108c 560
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561gdb_test "break" \
562 "Note: breakpoint \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
563 "break on default location, 2nd time"
c906108c 564
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MS
565gdb_test "break" \
566 "Note: breakpoints \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
567 "break on default location, 3rd time"
c906108c 568
22454424
MS
569gdb_test "break" \
570 "Note: breakpoints \[0-9\]*, \[0-9\]* and \[0-9\]* also set at .*Breakpoint \[0-9\]*.*" \
571 "break on default location, 4th time"
c906108c
SS
572
573# Verify that a "silent" breakpoint can be set, and that GDB is indeed
574# "silent" about its triggering.
575#
576if ![runto_main] then { fail "break tests suppressed" }
577
22454424
MS
578gdb_test_multiple "break $bp_location1" \
579 "set to-be-silent break bp_location1" {
580 -re "Breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $" {
581 pass "set to-be-silent break bp_location1"
582 }
583 }
c906108c
SS
584
585send_gdb "commands $expect_out(1,string)\n"
586send_gdb "silent\n"
587send_gdb "end\n"
588gdb_expect {
589 -re ".*$gdb_prompt $"\
a1dea79a
FF
590 {pass "set silent break bp_location1"}
591 timeout {fail "(timeout) set silent break bp_location1"}
c906108c
SS
592}
593
22454424
MS
594gdb_test "info break $expect_out(1,string)" \
595 "\[0-9\]*\[ \t\]*breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*" \
596 "info silent break bp_location1"
597
598gdb_test "continue" "Continuing." \
599 "hit silent break bp_location1"
600
601gdb_test "bt" "#0 main .* at .*:$bp_location1.*" \
602 "stopped for silent break bp_location1"
c906108c
SS
603
604# Verify that GDB can at least parse a breakpoint with the
605# "thread" keyword. (We won't attempt to test here that a
606# thread-specific breakpoint really triggers appropriately.
607# The gdb.threads subdirectory contains tests for that.)
608#
a50d3602 609set bp_location12 [gdb_get_line_number "set breakpoint 12 here"]
22454424
MS
610gdb_test "break $bp_location12 thread 999" "Unknown thread 999.*" \
611 "thread-specific breakpoint on non-existent thread disallowed"
612
613gdb_test "break $bp_location12 thread foo" \
614 "Junk after thread keyword.*" \
615 "thread-specific breakpoint on bogus thread ID disallowed"
c906108c
SS
616
617# Verify that GDB responds gracefully to a breakpoint command with
618# trailing garbage.
619#
22454424
MS
620gdb_test "break $bp_location12 foo" \
621 "Junk at end of arguments.*" \
622 "breakpoint with trailing garbage disallowed"
c906108c
SS
623
624# Verify that GDB responds gracefully to a "clear" command that has
625# no matching breakpoint. (First, get us off the current source line,
626# which we know has a breakpoint.)
627#
22454424
MS
628gdb_test "next" "marker1.*" "step over breakpoint"
629
630gdb_test "clear 81" "No breakpoint at 81.*" \
631 "clear line has no breakpoint disallowed"
632
633gdb_test "clear" "No breakpoint at this line.*" \
634 "clear current line has no breakpoint disallowed"
c906108c 635
4a7bddb6
MC
636# Verify that we can set and clear multiple breakpoints.
637#
638# We don't test that it deletes the correct breakpoints. We do at
639# least test that it deletes more than one breakpoint.
640#
641gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #1"
642gdb_test "break marker3" "Breakpoint.*at.*" "break marker3 #2"
643gdb_test "clear marker3" {Deleted breakpoints [0-9]+ [0-9]+.*}
644
c906108c
SS
645# Verify that a breakpoint can be set via a convenience variable.
646#
22454424
MS
647gdb_test_no_output "set \$foo=$bp_location11" \
648 "set convenience variable \$foo to bp_location11"
649
650gdb_test "break \$foo" \
651 "Breakpoint (\[0-9\]*) at .*, line $bp_location11.*" \
652 "set breakpoint via convenience variable"
c906108c
SS
653
654# Verify that GDB responds gracefully to an attempt to set a
655# breakpoint via a convenience variable whose type is not integer.
656#
22454424
MS
657gdb_test_no_output "set \$foo=81.5" \
658 "set convenience variable \$foo to 81.5"
659
660gdb_test "break \$foo" \
661 "Convenience variables used in line specs must have integer values.*" \
662 "set breakpoint via non-integer convenience variable disallowed"
c906108c
SS
663
664# Verify that we can set and trigger a breakpoint in a user-called function.
665#
22454424
MS
666gdb_test "break marker2" \
667 "Breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*" \
668 "set breakpoint on to-be-called function"
669
670gdb_test "print marker2(99)" \
671 "The program being debugged stopped while in a function called from GDB.\r\nEvaluation of the expression containing the function\r\n.marker2$proto. will be abandoned.\r\nWhen the function is done executing, GDB will silently stop.*" \
672 "hit breakpoint on called function"
c906108c
SS
673
674# As long as we're stopped (breakpointed) in a called function,
675# verify that we can successfully backtrace & such from here.
676#
30e87cd3
ND
677# In this and the following test, the _sr4export check apparently is needed
678# for hppa*-*-hpux.
679#
22454424
MS
680gdb_test_multiple "bt" "backtrace while in called function" {
681 -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $" {
682 pass "backtrace while in called function"
683 }
684 -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $" {
685 pass "backtrace while in called function"
686 }
30e87cd3
ND
687}
688
689# Return from the called function. For remote targets, it's important to do
690# this before runto_main, which otherwise may silently stop on the dummy
691# breakpoint inserted by GDB at the program's entry point.
692#
22454424
MS
693gdb_test_multiple "finish" "finish from called function" {
694 -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $" {
695 pass "finish from called function"
696 }
697 -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $" {
698 pass "finish from called function"
699 }
700 -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $" {
701 pass "finish from called function"
702 }
c906108c
SS
703}
704
705# Verify that GDB responds gracefully to a "finish" command with
706# arguments.
707#
708if ![runto_main] then { fail "break tests suppressed" }
709
710send_gdb "finish 123\n"
711gdb_expect {
712 -re "The \"finish\" command does not take any arguments.\r\n$gdb_prompt $"\
713 {pass "finish with arguments disallowed"}
714 -re "$gdb_prompt $"\
715 {fail "finish with arguments disallowed"}
716 timeout {fail "(timeout) finish with arguments disallowed"}
717}
718
719# Verify that GDB responds gracefully to a request to "finish" from
7a292a7a
SS
720# the outermost frame. On a stub that never exits, this will just
721# run to the stubs routine, so we don't get this error... Thus the
722# second condition.
c906108c 723#
7a292a7a 724
22454424
MS
725gdb_test_multiple "finish" "finish from outermost frame disallowed" {
726 -re "\"finish\" not meaningful in the outermost frame.\r\n$gdb_prompt $" {
727 pass "finish from outermost frame disallowed"
728 }
729 -re "Run till exit from.*\r\n$gdb_prompt $" {
730 pass "finish from outermost frame disallowed"
731 }
c906108c
SS
732}
733
734# Verify that we can explicitly ask GDB to stop on all shared library
735# events, and that it does so.
736#
737if [istarget "hppa*-*-hpux*"] then {
22454424
MS
738 if ![runto_main] then { fail "break tests suppressed" }
739
740 gdb_test_no_output "set stop-on-solib-events 1" \
741 "set stop-on-solib-events"
742
743 gdb_test "run" \
744 "Stopped due to shared library event.*" \
745 "triggered stop-on-solib-events" \
746 "Start it from the beginning.*y or n. $" \
747 "y"
748
749 gdb_test_no_output "set stop-on-solib-events 0" \
750 "reset stop-on-solib-events"
c906108c
SS
751}
752
753# Hardware breakpoints are unsupported on HP-UX. Verify that GDB
754# gracefully responds to requests to create them.
755#
756if [istarget "hppa*-*-hpux*"] then {
22454424
MS
757 if ![runto_main] then { fail "break tests suppressed" }
758
759 gdb_test "hbreak" \
760 "No hardware breakpoint support in the target.*" \
761 "hw breaks disallowed"
762
763 gdb_test "thbreak" \
764 "No hardware breakpoint support in the target.*" \
765 "temporary hw breaks disallowed"
c906108c
SS
766}
767
768#********
769
770
c906108c
SS
771#
772# Test "next" over recursive function call.
773#
774
775proc test_next_with_recursion {} {
776 global gdb_prompt
777 global decimal
778 global binfile
779
b741e217
DJ
780 gdb_test "kill" "" "kill program" "Kill the program being debugged.*y or n. $" "y"
781 delete_breakpoints
c906108c
SS
782
783 gdb_test "break factorial" "Breakpoint $decimal at .*" "break at factorial"
784
785 # Run until we call factorial with 6
786
b741e217 787 gdb_run_cmd
c906108c
SS
788 gdb_expect {
789 -re "Break.* factorial .value=6. .*$gdb_prompt $" {}
790 -re ".*$gdb_prompt $" {
791 fail "run to factorial(6)";
792 gdb_suppress_tests;
793 }
794 timeout { fail "run to factorial(6) (timeout)" ; gdb_suppress_tests }
795 }
796
797 # Continue until we call factorial recursively with 5.
798
799 if [gdb_test "continue" \
800 "Continuing.*Break.* factorial .value=5. .*" \
801 "continue to factorial(5)"] then { gdb_suppress_tests }
802
803 # Do a backtrace just to confirm how many levels deep we are.
804
805 if [gdb_test "backtrace" \
806 "#0\[ \t\]+ factorial .value=5..*" \
807 "backtrace from factorial(5)"] then { gdb_suppress_tests }
808
809 # Now a "next" should position us at the recursive call, which
810 # we will be performing with 4.
811
812 if [gdb_test "next" \
813 ".* factorial .value - 1.;.*" \
814 "next to recursive call"] then { gdb_suppress_tests }
815
816 # Disable the breakpoint at the entry to factorial by deleting them all.
817 # The "next" should run until we return to the next line from this
818 # recursive call to factorial with 4.
819 # Buggy versions of gdb will stop instead at the innermost frame on
820 # the line where we are trying to "next" to.
821
822 delete_breakpoints
823
824 if [istarget "mips*tx39-*"] {
825 set timeout 60
c906108c 826 }
7a345fb3
JB
827 # We used to set timeout here for all other targets as well. This
828 # is almost certainly wrong. The proper timeout depends on the
829 # target system in use, and how we communicate with it, so there
830 # is no single value appropriate for all targets. The timeout
831 # should be established by the Dejagnu config file(s) for the
832 # board, and respected by the test suite.
833 #
834 # For example, if I'm running GDB over an SSH tunnel talking to a
835 # portmaster in California talking to an ancient 68k board running
836 # a crummy ROM monitor (a situation I can only wish were
837 # hypothetical), then I need a large timeout. But that's not the
838 # kind of knowledge that belongs in this file.
c906108c
SS
839
840 gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \
841 "next over recursive call"
842
843 # OK, we should be back in the same stack frame we started from.
844 # Do a backtrace just to confirm.
845
846 set result [gdb_test "backtrace" \
847 "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \
848 "backtrace from factorial(5.1)"]
849 if { $result != 0 } { gdb_suppress_tests }
850
851 if [target_info exists gdb,noresults] { gdb_suppress_tests }
7a292a7a
SS
852 gdb_continue_to_end "recursive next test"
853 gdb_stop_suppressing_tests;
c906108c
SS
854}
855
c906108c
SS
856test_next_with_recursion
857
c1790a9d
JL
858
859#********
860
861# build a new file with optimization enabled so that we can try breakpoints
862# on targets with optimized prologues
863
dbc52822 864if { [prepare_for_testing break.exp "breako2" {break.c break1.c} {debug nowarnings optimize=-O2}] } {
c1790a9d
JL
865 return -1
866}
867
c1790a9d
JL
868#
869# test break at function
870#
871gdb_test "break main" \
954de43b 872 "Breakpoint.*at.* file .*, line.*" \
c1790a9d
JL
873 "breakpoint function, optimized file"
874
875#
876# test break at function
877#
878gdb_test "break marker4" \
a1dea79a 879 "Breakpoint.*at.* file .*$srcfile1, line.*" \
c1790a9d
JL
880 "breakpoint small function, optimized file"
881
882#
883# run until the breakpoint at main is hit. For non-stubs-using targets.
884#
b741e217
DJ
885gdb_run_cmd
886gdb_expect {
887 -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" {
888 pass "run until function breakpoint, optimized file"
c1790a9d 889 }
b741e217
DJ
890 -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" {
891 pass "run until function breakpoint, optimized file (code motion)"
892 }
893 -re "$gdb_prompt $" {
894 fail "run until function breakpoint, optimized file"
895 }
896 timeout {
897 fail "run until function breakpoint, optimized file (timeout)"
c1790a9d
JL
898 }
899}
900
901#
902# run until the breakpoint at a small function
903#
1a570b2f
MS
904
905#
906# Add a second pass pattern. The behavior differs here between stabs
907# and dwarf for one-line functions. Stabs preserves two line symbols
908# (one before the prologue and one after) with the same line number,
909# but dwarf regards these as duplicates and discards one of them.
910# Therefore the address after the prologue (where the breakpoint is)
911# has no exactly matching line symbol, and GDB reports the breakpoint
912# as if it were in the middle of a line rather than at the beginning.
913
a1dea79a
FF
914set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1]
915set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1]
22454424
MS
916
917gdb_test_multiple "continue" \
918 "run until breakpoint set at small function, optimized file" {
919 -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
920 pass "run until breakpoint set at small function, optimized file"
921 }
922 -re "Breakpoint $decimal, $hex in marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" {
923 pass "run until breakpoint set at small function, optimized file"
924 }
925 -re "Breakpoint $decimal, marker4 \\(d=177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" {
926 # marker4() is defined at line 46 when compiled with -DPROTOTYPES
927 pass "run until breakpoint set at small function, optimized file (line bp_location14)"
928 }
929 -re "Breakpoint $decimal, factorial \\(.*\\) .*\{\r\n$gdb_prompt" {
930 # GCC 4.3 emits bad line number information - see gcc/36748.
931 if { [test_compiler_info "gcc-4-3-*"] } {
932 setup_xfail *-*-*
933 }
934 fail "run until breakpoint set at small function, optimized file"
edb3359d 935 }
1a570b2f 936 }
c1790a9d 937
dbc52822 938clean_restart breako2
6214f497
DJ
939
940#
941# test that 'rbreak' on a symbol that may be from a shared library doesn't
942# cause a "Junk at end of arguments." error.
943#
944# On x86 GNU/Linux, this test will choke on e.g. __libc_start_main@plt.
945#
946# Note that this test won't necessarily choke on all targets even if
947# all the rbreak issue is present. rbreak needs to match and set a
948# breakpoint on a symbol causes 'break' to choke.
949#
950
27d3a1a2 951gdb_test_no_output "set breakpoint pending on" "rbreak junk pending setup"
6214f497
DJ
952
953# We expect at least one breakpoint to be set when we "rbreak main".
954gdb_test "rbreak main" \
955 ".*Breakpoint.*at.* file .*$srcfile, line.*" \
956 "rbreak junk set breakpoint"
957
958# Run to a breakpoint. Fail if we see "Junk at end of arguments".
959gdb_run_cmd
960gdb_expect {
961 -re "Junk at end of arguments" {
962 fail "rbreak junk"
963 }
964 -re ".*Breakpoint \[0-9\]+,.*$gdb_prompt $" {
965 pass "rbreak junk"
966 }
967 timeout {
968 fail "rbreak junk (timeout)"
969 }
970}
971
972
c906108c
SS
973# Reset the default arguments for VxWorks
974if [istarget "*-*-vxworks*"] {
975 set timeout 10
976 verbose "Timeout is now $timeout seconds" 2
22454424 977 gdb_test_no_output "set args main"
c906108c 978}
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