Commit | Line | Data |
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0b302171 | 1 | # Copyright 1992, 1994-2000, 2007-2012 Free Software Foundation, Inc. |
c906108c SS |
2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 5 | # the Free Software Foundation; either version 3 of the License, or |
c906108c | 6 | # (at your option) any later version. |
e22f8b7c | 7 | # |
c906108c SS |
8 | # This program is distributed in the hope that it will be useful, |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
e22f8b7c | 12 | # |
c906108c | 13 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
c906108c | 15 | |
c906108c SS |
16 | # This file was written by Fred Fish. (fnf@cygnus.com) |
17 | ||
c906108c SS |
18 | |
19 | set testfile "watchpoint" | |
20 | set srcfile ${testfile}.c | |
21 | set binfile ${objdir}/${subdir}/${testfile} | |
22 | ||
c906108c SS |
23 | if [get_compiler_info ${binfile}] { |
24 | return -1 | |
25 | } | |
26 | ||
c906108c | 27 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
b60f0898 JB |
28 | untested watchpoint.exp |
29 | return -1 | |
c906108c SS |
30 | } |
31 | ||
4b3c9f41 PA |
32 | # True if we're forcing no hardware watchpoints. |
33 | set no_hw 0 | |
34 | ||
c906108c SS |
35 | # Prepare for watchpoint tests by setting up two breakpoints and one |
36 | # watchpoint. | |
37 | # | |
38 | # We use breakpoints at marker functions to get past all the startup code, | |
39 | # so we can get to the watchpoints in a reasonable amount of time from a | |
40 | # known starting point. | |
41 | # | |
42 | # For simplicity, so we always know how to reference specific breakpoints or | |
43 | # watchpoints by number, we expect a particular ordering and numbering of | |
44 | # each in the combined breakpoint/watchpoint table, as follows: | |
45 | # | |
46 | # Number What Where | |
47 | # 1 Breakpoint marker1() | |
48 | # 2 Breakpoint marker2() | |
49 | # 3 Watchpoint ival3 | |
50 | ||
51 | proc initialize {} { | |
52 | global gdb_prompt | |
53 | global hex | |
54 | global decimal | |
55 | global srcfile | |
56 | ||
958a4e4c MS |
57 | # Disable hardware watchpoints if necessary. |
58 | if [target_info exists gdb,no_hardware_watchpoints] { | |
35ec993f | 59 | gdb_test_no_output "set can-use-hw-watchpoints 0" "" |
958a4e4c MS |
60 | } |
61 | ||
c906108c SS |
62 | if [gdb_test "break marker1" "Breakpoint 1 at $hex: file .*$srcfile, line $decimal.*" "set breakpoint at marker1" ] { |
63 | return 0; | |
64 | } | |
65 | ||
66 | ||
67 | if [gdb_test "break marker2" "Breakpoint 2 at $hex: file .*$srcfile, line $decimal.*" "set breakpoint at marker2" ] { | |
68 | return 0; | |
69 | } | |
70 | ||
71 | ||
72 | if [gdb_test "info break" "1\[ \]*breakpoint.*marker1.*\r\n2\[ \]*breakpoint.*marker2.*" "info break in watchpoint.exp" ] { | |
73 | return 0; | |
74 | } | |
75 | ||
100aa3ae | 76 | gdb_test "watch ival3" ".*\[Ww\]atchpoint 3: ival3.*" "set watchpoint on ival3" |
c906108c | 77 | |
d77f58be | 78 | if [gdb_test "info watch" "3\[ \]*.*watchpoint.*ival3" "watchpoint found in watchpoint/breakpoint table" ] { |
c906108c SS |
79 | return 0; |
80 | } | |
81 | ||
82 | ||
83 | # After installing the watchpoint, we disable it until we are ready | |
84 | # to use it. This allows the test program to run at full speed until | |
85 | # we get to the first marker function. | |
86 | ||
87 | if [gdb_test "disable 3" "disable 3\[\r\n\]+" "disable watchpoint" ] { | |
88 | return 0; | |
89 | } | |
90 | ||
91 | ||
92 | return 1 | |
93 | } | |
94 | ||
95 | # | |
96 | # Test simple watchpoint. | |
97 | # | |
98 | ||
99 | proc test_simple_watchpoint {} { | |
100 | global gdb_prompt | |
101 | global hex | |
102 | global decimal | |
103 | ||
104 | # Ensure that the watchpoint is disabled when we startup. | |
105 | ||
100aa3ae PA |
106 | if [gdb_test "disable 3" "^disable 3\[\r\n\]+" "disable watchpoint in test_simple_watchpoint" ] { |
107 | return 0; | |
c906108c SS |
108 | } |
109 | ||
c906108c SS |
110 | # Run until we get to the first marker function. |
111 | ||
112 | gdb_run_cmd | |
113 | set timeout 600 | |
4033a6bf PA |
114 | set test "run to marker1 in test_simple_watchpoint" |
115 | set retcode [gdb_test_multiple "" $test { | |
c906108c | 116 | -re "Breakpoint 1, marker1 .*$gdb_prompt $" { |
4033a6bf | 117 | pass $test |
c906108c | 118 | } |
4033a6bf PA |
119 | }] |
120 | ||
121 | if { $retcode != 0 } { | |
122 | return | |
c906108c SS |
123 | } |
124 | ||
125 | # After reaching the marker function, enable the watchpoint. | |
126 | ||
127 | if [gdb_test "enable 3" "^enable 3\[\r\n\]+" "enable watchpoint" ] { | |
128 | return ; | |
129 | } | |
130 | ||
131 | ||
132 | gdb_test "break func1" "Breakpoint.*at.*" | |
27d3a1a2 | 133 | gdb_test_no_output "set \$func1_breakpoint_number = \$bpnum" |
c906108c SS |
134 | |
135 | gdb_test "continue" "Continuing.*Breakpoint \[0-9\]*, func1.*" \ | |
136 | "continue to breakpoint at func1" | |
137 | ||
138 | # Continue until the first change, from -1 to 0 | |
139 | ||
4033a6bf PA |
140 | set test "watchpoint hit, first time" |
141 | gdb_test_multiple "cont" $test { | |
c906108c | 142 | -re "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count; ival4 = count;.*$gdb_prompt $" { |
4033a6bf | 143 | pass $test |
c906108c SS |
144 | } |
145 | -re "Continuing.*Breakpoint.*func1.*$gdb_prompt $" { | |
146 | setup_xfail "m68*-*-*" 2597 | |
147 | fail "thought it hit breakpoint at func1 twice" | |
27d3a1a2 | 148 | gdb_test_no_output "delete \$func1_breakpoint_number" |
c906108c SS |
149 | gdb_test "continue" "\ |
150 | Continuing.*\[Ww\]atchpoint.*ival3.*Old value = -1.*New value = 0.*ival3 = count;" \ | |
4033a6bf | 151 | $test |
c906108c | 152 | } |
c906108c SS |
153 | } |
154 | ||
c2d11a7d JM |
155 | # Check that the hit count is reported correctly |
156 | gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 1 time.*" "Watchpoint hit count is 1" | |
157 | ||
27d3a1a2 | 158 | gdb_test_no_output "delete \$func1_breakpoint_number" |
c906108c SS |
159 | |
160 | # Continue until the next change, from 0 to 1. | |
161 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" "watchpoint hit, second time" | |
162 | ||
c2d11a7d JM |
163 | # Check that the hit count is reported correctly |
164 | gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 2 times.*" "Watchpoint hit count is 2" | |
165 | ||
c906108c SS |
166 | # Continue until the next change, from 1 to 2. |
167 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 1.*New value = 2.*ival3 = count; ival4 = count;.*" "watchpoint hit, third time" | |
c2d11a7d JM |
168 | |
169 | # Check that the hit count is reported correctly | |
170 | gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 3 times.*" "Watchpoint hit count is 3" | |
c906108c SS |
171 | |
172 | # Continue until the next change, from 2 to 3. | |
173 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 2.*New value = 3.*ival3 = count; ival4 = count;.*" "watchpoint hit, fourth time" | |
174 | ||
c2d11a7d JM |
175 | # Check that the hit count is reported correctly |
176 | gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 4 times.*" "Watchpoint hit count is 4" | |
177 | ||
c906108c SS |
178 | # Continue until the next change, from 3 to 4. |
179 | # Note that this one is outside the loop. | |
180 | ||
181 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 3.*New value = 4.*ival3 = count; ival4 = count;.*" "watchpoint hit, fifth time" | |
182 | ||
c2d11a7d JM |
183 | # Check that the hit count is reported correctly |
184 | gdb_test "info break" ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+ival3\r\n\[ \t]+breakpoint already hit 5 times.*" "Watchpoint hit count is 5" | |
185 | ||
c906108c SS |
186 | # Continue until we hit the finishing marker function. |
187 | # Make sure we hit no more watchpoints. | |
188 | ||
189 | gdb_test "cont" "Continuing.*Breakpoint.*marker2 \(\).*" \ | |
190 | "continue to marker2" | |
191 | ||
192 | # Disable the watchpoint so we run at full speed until we exit. | |
193 | ||
194 | if [gdb_test "disable 3" "^disable 3\[\r\n\]+" "watchpoint disabled" ] { | |
195 | return ; | |
196 | } | |
197 | ||
198 | ||
199 | # Run until process exits. | |
200 | ||
201 | if [target_info exists gdb,noresults] { return } | |
202 | ||
7a292a7a | 203 | gdb_continue_to_end "continue to exit in test_simple_watchpoint" |
c906108c SS |
204 | } |
205 | ||
206 | # Test disabling watchpoints. | |
207 | ||
208 | proc test_disabling_watchpoints {} { | |
209 | global gdb_prompt | |
210 | global binfile | |
211 | global srcfile | |
212 | global decimal | |
213 | global hex | |
214 | ||
e4d63ba2 | 215 | gdb_test "info watch" "\[0-9]+\[ \]*.*watchpoint.*ival3.*" "watchpoints found in watchpoint/breakpoint table" |
085dd6e6 | 216 | |
c906108c SS |
217 | # Ensure that the watchpoint is disabled when we startup. |
218 | ||
219 | if [gdb_test "disable 3" "^disable 3\[\r\n\]+" "disable watchpoint in test_disabling_watchpoints" ] { | |
220 | return 0; | |
221 | } | |
222 | ||
223 | ||
224 | # Run until we get to the first marker function. | |
225 | ||
226 | gdb_run_cmd | |
227 | set timeout 600 | |
4033a6bf PA |
228 | set test "run to marker1 in test_disabling_watchpoints" |
229 | set retcode [gdb_test_multiple "" $test { | |
c906108c | 230 | -re "Breakpoint 1, marker1 .*$gdb_prompt $" { |
4033a6bf | 231 | pass $test |
c906108c | 232 | } |
4033a6bf PA |
233 | }] |
234 | ||
235 | if { $retcode != 0 } { | |
236 | return | |
c906108c SS |
237 | } |
238 | ||
239 | # After reaching the marker function, enable the watchpoint. | |
240 | ||
241 | if [gdb_test "enable 3" "^enable 3\[\r\n\]+" "watchpoint enabled" ] { | |
242 | return ; | |
243 | } | |
244 | ||
245 | ||
246 | # Continue until the first change, from -1 to 0 | |
247 | # Don't check the old value, because on VxWorks the variable value | |
248 | # will not have been reinitialized. | |
249 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = .*New value = 0.*ival3 = count; ival4 = count;.*" "watchpoint hit in test_disabling_watchpoints, first time" | |
250 | ||
251 | # Continue until the next change, from 0 to 1. | |
252 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ival3.*Old value = 0.*New value = 1.*ival3 = count; ival4 = count;.*" "watchpoint hit in test_disabling_watchpoints, second time" | |
253 | ||
254 | # Disable the watchpoint but leave breakpoints | |
255 | ||
256 | if [gdb_test "disable 3" "^disable 3\[\r\n\]+" "disable watchpoint #2 in test_disabling_watchpoints" ] { | |
257 | return 0; | |
258 | } | |
259 | ||
260 | ||
261 | # Check watchpoint list, looking for the entry that confirms the | |
262 | # watchpoint is disabled. | |
085dd6e6 | 263 | gdb_test "info watchpoints" "\[0-9]+\[ \]*.*watchpoint\[ \]*keep\[ \]*n\[ \]*ival3\r\n.*" "watchpoint disabled in table" |
c906108c SS |
264 | |
265 | # Continue until we hit the finishing marker function. | |
266 | # Make sure we hit no more watchpoints. | |
267 | gdb_test "cont" "Continuing.*Breakpoint.*marker2 \\(\\).*" \ | |
268 | "disabled watchpoint skipped" | |
269 | ||
270 | if [target_info exists gdb,noresults] { return } | |
271 | ||
7a292a7a | 272 | gdb_continue_to_end "continue to exit in test_disabling_watchpoints" |
c906108c SS |
273 | } |
274 | ||
275 | # Test stepping and other mundane operations with watchpoints enabled | |
276 | proc test_stepping {} { | |
277 | global gdb_prompt | |
278 | ||
279 | if [runto marker1] then { | |
280 | gdb_test "watch ival2" ".*\[Ww\]atchpoint \[0-9\]*: ival2" | |
281 | ||
282 | # Well, let's not be too mundane. It should be a *bit* of a challenge | |
283 | gdb_test "break func2 if 0" "Breakpoint.*at.*" | |
284 | gdb_test "p \$func2_breakpoint_number = \$bpnum" " = .*" | |
285 | ||
085dd6e6 | 286 | gdb_test "p func1 ()" "= 73" \ |
4b2b3b3e | 287 | "calling function with watchpoint enabled" |
c906108c SS |
288 | |
289 | # | |
290 | # "finish" brings us back to main. | |
291 | # On some targets (e.g. alpha) gdb will stop from the finish in midline | |
292 | # of the marker1 call. This is due to register restoring code on | |
293 | # the alpha and might be caused by stack adjustment instructions | |
294 | # on other targets. In this case we will step once more. | |
295 | # | |
296 | ||
297 | send_gdb "finish\n" | |
298 | gdb_expect { | |
2df3850c JM |
299 | -re "Run.*exit from.*marker1.* at" { |
300 | pass "finish from marker1" | |
301 | } | |
dfcd3bfb | 302 | default { fail "finish from marker1 (timeout)" ; return } |
c906108c SS |
303 | } |
304 | ||
305 | gdb_expect { | |
306 | -re "marker1 \\(\\);.*$gdb_prompt $" { | |
307 | send_gdb "step\n" | |
308 | exp_continue | |
309 | } | |
310 | -re "func1 \\(\\);.*$gdb_prompt $" { | |
dfcd3bfb | 311 | pass "back at main from marker1" |
c906108c SS |
312 | } |
313 | -re ".*$gdb_prompt $" { | |
dfcd3bfb | 314 | fail "back at main from marker1" |
c906108c | 315 | } |
dfcd3bfb | 316 | default { fail "back at main from marker1 (timeout)" ; return } |
c906108c SS |
317 | } |
318 | ||
319 | gdb_test "next" "for \\(count = 0.*" "next to `for' in watchpoint.exp" | |
320 | ||
321 | # Now test that "until" works. It's a bit tricky to test | |
322 | # "until", because compilers don't always arrange the code | |
323 | # exactly the same way, and we might get slightly different | |
324 | # sequences of statements. But the following should be true | |
325 | # (if not it is a compiler or a debugger bug): The user who | |
326 | # does "until" at every statement of a loop should end up | |
327 | # stepping through the loop once, and the debugger should not | |
328 | # stop for any of the remaining iterations. | |
329 | ||
330 | gdb_test "until" "ival1 = count.*" "until to ival1 assignment" | |
331 | gdb_test "until" "ival3 = count.*" "until to ival3 assignment" | |
4033a6bf PA |
332 | set test "until out of loop" |
333 | gdb_test_multiple "until" $test { | |
c906108c | 334 | -re "(for \\(count = 0|\}).*$gdb_prompt $" { |
4033a6bf | 335 | gdb_test "until" "ival1 = count; /. Outside loop ./" $test |
c906108c SS |
336 | } |
337 | -re "ival1 = count; /. Outside loop ./.*$gdb_prompt $" { | |
4033a6bf | 338 | pass $test |
c906108c | 339 | } |
c906108c SS |
340 | } |
341 | ||
342 | gdb_test "step" "ival2 = count.*" "step to ival2 assignment" | |
343 | } | |
344 | } | |
345 | ||
346 | # Test stepping and other mundane operations with watchpoints enabled | |
347 | proc test_watchpoint_triggered_in_syscall {} { | |
348 | global gdb_prompt | |
349 | ||
958a4e4c MS |
350 | # These tests won't work without printf support. |
351 | if [gdb_skip_stdio_test "watchpoints triggered in syscall"] { | |
352 | return; | |
c906108c SS |
353 | } |
354 | # Run until we get to the first marker function. | |
355 | set x 0 | |
356 | set y 0 | |
357 | set testname "Watch buffer passed to read syscall" | |
358 | if [runto marker2] then { | |
359 | gdb_test "watch buf\[0\]" ".*\[Ww\]atchpoint \[0-9\]*: buf\\\[0\\\]" | |
360 | gdb_test "watch buf\[1\]" ".*\[Ww\]atchpoint \[0-9\]*: buf\\\[1\\\]" | |
361 | gdb_test "watch buf\[2\]" ".*\[Ww\]atchpoint \[0-9\]*: buf\\\[2\\\]" | |
362 | gdb_test "watch buf\[3\]" ".*\[Ww\]atchpoint \[0-9\]*: buf\\\[3\\\]" | |
363 | gdb_test "watch buf\[4\]" ".*\[Ww\]atchpoint \[0-9\]*: buf\\\[4\\\]" | |
364 | gdb_test "break marker4" ".*Breakpoint.*" | |
365 | ||
27d3a1a2 | 366 | gdb_test_no_output "set doread = 1" |
c906108c | 367 | |
4033a6bf | 368 | # If we send gdb "123\n" before gdb has switched the tty, then it goes |
c906108c SS |
369 | # to gdb, not the inferior, and we lose. So that is why we have |
370 | # watchpoint.c prompt us, so we can wait for that prompt. | |
02746bbc | 371 | |
c906108c SS |
372 | send_gdb "continue\n"; |
373 | gdb_expect { | |
374 | -re "Continuing\\.\r\ntype stuff for buf now:" { | |
375 | pass "continue to read" | |
376 | } | |
377 | default { | |
378 | fail "continue to read"; | |
379 | return ; | |
380 | } | |
381 | } | |
382 | ||
4033a6bf PA |
383 | set test "sent 123" |
384 | gdb_test_multiple "123" $test { | |
c906108c SS |
385 | -re ".*\[Ww\]atchpoint.*buf\\\[0\\\].*Old value = 0.*New value = 49\[^\n\]*\n" { set x [expr $x+1] ; exp_continue } |
386 | -re ".*\[Ww\]atchpoint.*buf\\\[1\\\].*Old value = 0.*New value = 50\[^\n\]*\n" { set x [expr $x+1] ; exp_continue } | |
387 | -re ".*\[Ww\]atchpoint.*buf\\\[2\\\].*Old value = 0.*New value = 51\[^\n\]*\n" { set x [expr $x+1] ; exp_continue } | |
388 | -re ".*\[Ww\]atchpoint.*buf\\\[3\\\].*Old value = 0.*New value = 10\[^\n\]*\n" { set x [expr $x+1] ; exp_continue } | |
4033a6bf | 389 | -re ".*$gdb_prompt $" { pass $test } |
c906108c SS |
390 | } |
391 | ||
392 | # Examine the values in buf to see how many watchpoints we | |
393 | # should have printed. | |
4033a6bf PA |
394 | set test "print buf\[0\]" |
395 | gdb_test_multiple $test $test { | |
396 | -re ".*= 49.*$gdb_prompt $" { set y [expr $y+1]; pass $test } | |
397 | -re ".*= 0.*$gdb_prompt $" { $test } | |
c906108c | 398 | } |
4033a6bf PA |
399 | set test "print buf\[1\]" |
400 | gdb_test_multiple $test $test { | |
401 | -re ".*= 50.*$gdb_prompt $" { set y [expr $y+1]; pass $test } | |
402 | -re ".*= 0.*$gdb_prompt $" { pass $test } | |
c906108c | 403 | } |
4033a6bf PA |
404 | set test "print buf\[2\]" |
405 | gdb_test_multiple $test $test { | |
406 | -re ".*= 51.*$gdb_prompt $" { set y [expr $y+1]; pass $test } | |
407 | -re ".*= 0.*$gdb_prompt $" { pass $test } | |
c906108c | 408 | } |
4033a6bf PA |
409 | set test "print buf\[3\]" |
410 | gdb_test_multiple $test $test { | |
411 | -re ".*= 10.*$gdb_prompt $" { set y [expr $y+1]; pass $test } | |
412 | -re ".*= 0.*$gdb_prompt $" { pass $test } | |
c906108c SS |
413 | } |
414 | ||
415 | # Did we find what we were looking for? If not, flunk it. | |
416 | if [expr $x==$y] then { pass $testname } else { fail "$testname (only triggered $x watchpoints, expected $y)"} | |
417 | ||
418 | # Continue until we hit the finishing marker function. | |
419 | # Make sure we hit no more watchpoints. | |
420 | gdb_test "cont" "Continuing.*Breakpoint.*marker4 \\(\\).*" \ | |
421 | "continue to marker4" | |
422 | ||
423 | # Disable everything so we can finish the program at full speed | |
27d3a1a2 | 424 | gdb_test_no_output "disable" "disable in test_watchpoint_triggered_in_syscall" |
c906108c SS |
425 | |
426 | if [target_info exists gdb,noresults] { return } | |
427 | ||
7a292a7a | 428 | gdb_continue_to_end "continue to exit in test_watchpoint_triggered_in_syscall" |
c906108c SS |
429 | } |
430 | } | |
431 | ||
432 | # Do a simple test of of watching through a pointer when the pointer | |
433 | # itself changes. Should add some more complicated stuff here. | |
434 | ||
435 | proc test_complex_watchpoint {} { | |
436 | global gdb_prompt | |
437 | ||
438 | if [runto marker4] then { | |
439 | gdb_test "watch ptr1->val" ".*\[Ww\]atchpoint \[0-9\]*: ptr1->val" | |
440 | gdb_test "break marker5" ".*Breakpoint.*" | |
441 | ||
442 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint.*ptr1->val.*Old value = 1.*New value = 2.*" "Test complex watchpoint" | |
443 | ||
444 | # Continue until we hit the marker5 function. | |
445 | # Make sure we hit no more watchpoints. | |
446 | ||
447 | gdb_test "cont" "Continuing.*Breakpoint.*marker5 \\(\\).*" \ | |
448 | "did not trigger wrong watchpoint" | |
449 | ||
085dd6e6 JM |
450 | # Test watches of things declared locally in a function. |
451 | # In particular, test that a watch of stack-based things | |
452 | # is deleted when the stack-based things go out of scope. | |
453 | # | |
27d3a1a2 | 454 | gdb_test_no_output "disable" "disable in test_complex_watchpoint" |
085dd6e6 JM |
455 | gdb_test "break marker6" ".*Breakpoint.*" |
456 | gdb_test "cont" "Continuing.*Breakpoint.*marker6 \\(\\).*" \ | |
457 | "continue to marker6" | |
458 | gdb_test "break func2" ".*Breakpoint.*" | |
459 | gdb_test "cont" "Continuing.*func2.*" | |
460 | ||
461 | # Test a watch of a single stack-based variable, whose scope | |
462 | # is the function we're now in. This should auto-delete when | |
463 | # execution exits the scope of the watchpoint. | |
464 | # | |
465 | gdb_test "watch local_a" ".*\[Ww\]atchpoint \[0-9\]*: local_a" "set local watch" | |
466 | gdb_test "cont" "\[Ww\]atchpoint.*local_a.*" "trigger local watch" | |
467 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint .* deleted because the program has left the block in.*which its expression is valid.*" "self-delete local watch" | |
468 | ||
469 | gdb_test "cont" "Continuing.*func2.*" | |
470 | # We should be in "func2" again now. Test a watch of an | |
471 | # expression which includes both a stack-based local and | |
472 | # something whose scope is larger than this invocation | |
473 | # of "func2". This should also auto-delete. | |
474 | # | |
475 | gdb_test "watch local_a + ival5" ".*\[Ww\]atchpoint \[0-9\]*: local_a . ival5" \ | |
476 | "set partially local watch" | |
477 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint .*: local_a . ival5.*" \ | |
478 | "trigger1 partially local watch" | |
479 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint .*: local_a . ival5.*" \ | |
480 | "trigger2 partially local watch" | |
481 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint .* deleted because the program has left the block in.*which its expression is valid.*" \ | |
482 | "self-delete partially local watch" | |
483 | ||
484 | # We should be in "func2" again now. Test a watch of a | |
485 | # static (non-stack-based) local. Since this has scope | |
486 | # across any invocations of "func2", it should not auto- | |
487 | # delete. | |
488 | # | |
489 | gdb_test "cont" "Continuing.*func2.*" | |
490 | gdb_test "watch static_b" ".*\[Ww\]atchpoint \[0-9\]*: static_b" \ | |
491 | "set static local watch" | |
492 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint .*: static_b.*" \ | |
493 | "trigger static local watch" | |
494 | gdb_test "cont" "Continuing.*marker6 \\(\\).*" \ | |
495 | "continue after trigger static local watch" | |
496 | gdb_test "info break" ".*watchpoint.*static_b.*" \ | |
497 | "static local watch did not self-delete" | |
498 | ||
499 | # We should be in "recurser" now. Test a watch of a stack- | |
500 | # based local. Symbols mentioned in a watchpoint are bound | |
501 | # at watchpoint-creation. Thus, a watch of a stack-based | |
502 | # local to a recursing function should be bound only to that | |
503 | # one invocation, and should not trigger for other invocations. | |
504 | # | |
18ac113b | 505 | gdb_test "tbreak recurser" ".*breakpoint.*" |
085dd6e6 | 506 | gdb_test "cont" "Continuing.*recurser.*" |
97ddaa9b | 507 | gdb_test "next" "if \\(x > 0.*" "next past local_x initialization" |
085dd6e6 JM |
508 | gdb_test "watch local_x" ".*\[Ww\]atchpoint \[0-9\]*: local_x" \ |
509 | "set local watch in recursive call" | |
510 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint .*: local_x.*New value = 2.*" \ | |
511 | "trigger local watch in recursive call" | |
512 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint .* deleted because the program has left the block in.*which its expression is valid.*" \ | |
513 | "self-delete local watch in recursive call" | |
514 | ||
97ddaa9b PH |
515 | # Repeat the preceding test, but this time use "recurser::local_x" as |
516 | # the variable to track. | |
517 | gdb_test "cont" "Continuing.*marker6.*" | |
518 | gdb_test "tbreak recurser" ".*breakpoint.*" | |
519 | gdb_test "cont" "Continuing.*recurser.*" | |
520 | gdb_test "next" "if \\(x > 0.*" "next past local_x initialization" | |
521 | gdb_test "watch recurser::local_x" ".*\[Ww\]atchpoint \[0-9\]*: recurser::local_x" \ | |
522 | "set local watch in recursive call with explicit scope" | |
523 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint .*: recurser::local_x.*New value = 2.*" \ | |
524 | "trigger local watch with explicit scope in recursive call" | |
525 | gdb_test "cont" "Continuing.*\[Ww\]atchpoint .* deleted because the program has left the block in.*which its expression is valid.*" \ | |
526 | "self-delete local watch with explicit scope in recursive call (2)" | |
527 | ||
c906108c | 528 | # Disable everything so we can finish the program at full speed |
27d3a1a2 | 529 | gdb_test_no_output "disable" "disable in test_complex_watchpoint" |
c906108c SS |
530 | |
531 | if [target_info exists gdb,noresults] { return } | |
532 | ||
085dd6e6 | 533 | gdb_continue_to_end "continue to exit in test_complex_watchpoint" |
c906108c SS |
534 | } |
535 | } | |
536 | ||
293e9a31 DC |
537 | proc test_watchpoint_and_breakpoint {} { |
538 | global gdb_prompt | |
539 | ||
540 | # This is a test for PR gdb/38, which involves setting a | |
541 | # watchpoint right after you've reached a breakpoint. | |
542 | ||
543 | if [runto func3] then { | |
544 | gdb_breakpoint [gdb_get_line_number "second x assignment"] | |
545 | gdb_continue_to_breakpoint "second x assignment" | |
546 | gdb_test "watch x" ".*atchpoint \[0-9\]+: x" | |
547 | gdb_test_multiple "next" "next after watch x" { | |
548 | -re ".*atchpoint \[0-9\]+: x\r\n\r\nOld value = 0\r\nNew value = 1\r\n.*$gdb_prompt $" { | |
549 | pass "next after watch x" | |
550 | } | |
551 | -re "\[0-9\]+\[\t \]+y = 1;\r\n$gdb_prompt $" { | |
552 | kfail "gdb/38" "next after watch x" | |
553 | } | |
554 | } | |
06a64a0b TT |
555 | |
556 | gdb_test_no_output "delete \$bpnum" "delete watch x" | |
293e9a31 DC |
557 | } |
558 | } | |
65d79d4b SDJ |
559 | |
560 | proc test_constant_watchpoint {} { | |
561 | gdb_test "watch 5" "Cannot watch constant value `5'." "number is constant" | |
562 | gdb_test "watch marker1" "Cannot watch constant value `marker1'." \ | |
563 | "marker1 is constant" | |
564 | gdb_test "watch count + 6" ".*atchpoint \[0-9\]+: count \\+ 6" | |
565 | gdb_test_no_output "delete \$bpnum" "delete watchpoint `count + 6'" | |
566 | gdb_test "watch 7 + count" ".*atchpoint \[0-9\]+: 7 \\+ count" | |
567 | gdb_test_no_output "delete \$bpnum" "delete watchpoint `7 + count'" | |
568 | } | |
569 | ||
efa80663 PA |
570 | proc test_disable_enable_software_watchpoint {} { |
571 | # This is regression test for a bug that caused `enable' to fail | |
572 | # for software watchpoints. | |
573 | ||
574 | # Watch something not memory to force a software watchpoint. | |
575 | gdb_test {watch $pc} ".*atchpoint \[0-9\]+: .pc" | |
576 | ||
577 | gdb_test_no_output "disable \$bpnum" "disable watchpoint `\$pc'" | |
578 | gdb_test_no_output "enable \$bpnum" "reenable watchpoint `\$pc'" | |
579 | ||
580 | gdb_test "info watchpoint \$bpnum" \ | |
581 | ".*watchpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+.pc.*" \ | |
582 | "watchpoint `\$pc' is enabled" | |
583 | ||
584 | gdb_test_no_output "delete \$bpnum" "delete watchpoint `\$pc'" | |
585 | } | |
586 | ||
06a64a0b TT |
587 | proc test_watch_location {} { |
588 | gdb_breakpoint [gdb_get_line_number "func5 breakpoint here"] | |
589 | gdb_continue_to_breakpoint "func5 breakpoint here" | |
590 | ||
591 | gdb_test "watch -location *x" "atchpoint .*: .*" "watch -location .x" | |
592 | ||
593 | gdb_test "continue" \ | |
594 | "Continuing.*\[Ww\]atchpoint .*: .*New value = 27.*" \ | |
595 | "continue with watch -location" | |
596 | ||
597 | gdb_test_no_output "delete \$bpnum" "delete watch -location" | |
598 | } | |
599 | ||
fabde485 PA |
600 | # Tests watching areas larger than a word. |
601 | ||
602 | proc test_wide_location_1 {} { | |
4b3c9f41 PA |
603 | global no_hw |
604 | ||
fabde485 PA |
605 | # This test watches two words on most 32-bit ABIs, and one word on |
606 | # most 64-bit ABIs. | |
607 | ||
608 | # Platforms where the target can't watch such a large region | |
609 | # should clear hw_expected below. | |
4b3c9f41 | 610 | if { $no_hw || [target_info exists gdb,no_hardware_watchpoints] } { |
fabde485 PA |
611 | set hw_expected 0 |
612 | } else { | |
613 | set hw_expected 1 | |
614 | } | |
615 | ||
616 | gdb_breakpoint [gdb_get_line_number "func6 breakpoint here"] | |
617 | gdb_continue_to_breakpoint "func6 breakpoint here" | |
618 | ||
619 | if { $hw_expected } { | |
620 | gdb_test "watch foo2" "Hardware watchpoint .*: .*" "watch foo2" | |
621 | gdb_test "continue" \ | |
622 | "Continuing.*Hardware watchpoint .*: .*New value = \\\{val = \\\{0, 11\\\}\\\}.*" \ | |
623 | "continue with watch foo2" | |
624 | } else { | |
625 | gdb_test "watch foo2" "atchpoint .*: .*" "watch foo2" | |
626 | gdb_test "continue" \ | |
627 | "Continuing.*\[Ww\]atchpoint .*: .*New value = \\\{val = \\\{0, 11\\\}\\\}.*" \ | |
628 | "continue with watch foo2" | |
629 | } | |
630 | ||
631 | gdb_test_no_output "delete \$bpnum" "delete watch foo2" | |
632 | } | |
633 | ||
634 | proc test_wide_location_2 {} { | |
4b3c9f41 PA |
635 | global no_hw |
636 | ||
fabde485 PA |
637 | # This test watches four words on most 32-bit ABIs, and two words |
638 | # on 64-bit ABIs. | |
639 | ||
640 | # Platforms where the target can't watch such a large region | |
641 | # should clear hw_expected below. | |
4b3c9f41 | 642 | if { $no_hw || [target_info exists gdb,no_hardware_watchpoints] } { |
fabde485 PA |
643 | set hw_expected 0 |
644 | } else { | |
645 | set hw_expected 1 | |
646 | } | |
647 | ||
648 | gdb_breakpoint [gdb_get_line_number "func7 breakpoint here"] | |
649 | gdb_continue_to_breakpoint "func7 breakpoint here" | |
650 | ||
651 | if { $hw_expected } { | |
652 | gdb_test "watch foo4" "Hardware watchpoint .*: .*" "watch foo4" | |
653 | gdb_test "continue" \ | |
654 | "Continuing.*Hardware watchpoint .*: .*New value = \\\{val = \\\{0, 0, 0, 33\\\}\\\}.*" \ | |
655 | "continue with watch foo4" | |
656 | } else { | |
657 | gdb_test "watch foo4" "atchpoint .*: .*" "watch foo4" | |
658 | gdb_test "continue" \ | |
659 | "Continuing.*\[Ww\]atchpoint .*: .*New value = \\\{val = \\\{0, 0, 0, 33\\\}\\\}.*" \ | |
660 | "continue with watch foo4" | |
661 | } | |
662 | ||
663 | gdb_test_no_output "delete \$bpnum" "delete watch foo4" | |
664 | } | |
665 | ||
fa4727a6 DJ |
666 | proc test_inaccessible_watchpoint {} { |
667 | global gdb_prompt | |
668 | ||
669 | # This is a test for watchpoints on currently inaccessible (but later | |
670 | # valid) memory. | |
671 | ||
672 | if [runto func4] then { | |
ccc57cf9 PA |
673 | # Make sure we only allow memory access errors. |
674 | set msg "watchpoint refused to insert on nonexistent struct member" | |
675 | gdb_test_multiple "watch struct1.nosuchmember" $msg { | |
676 | -re ".*atchpoint \[0-9\]+: struct1.nosuchmember.*$gdb_prompt $" { | |
677 | # PR breakpoints/9681 | |
678 | fail $msg | |
679 | } | |
680 | -re "There is no member named nosuchmember\\..*$gdb_prompt $" { | |
681 | pass $msg | |
682 | } | |
683 | } | |
684 | ||
8464be76 DJ |
685 | # See whether a watchpoint on a normal variable is a hardware |
686 | # watchpoint or not. The watchpoints on NULL should be hardware | |
687 | # iff this one is. | |
688 | set watchpoint_msg "Watchpoint" | |
689 | gdb_test_multiple "watch global_ptr" "watch global_ptr" { | |
690 | -re "Watchpoint \[0-9\]+: global_ptr\r\n.*$gdb_prompt $" { | |
691 | pass "watch global_ptr" | |
692 | } | |
693 | -re "Hardware watchpoint \[0-9\]+: global_ptr\r\n.*$gdb_prompt $" { | |
694 | set watchpoint_msg "Hardware watchpoint" | |
695 | pass "watch global_ptr" | |
696 | } | |
697 | } | |
698 | delete_breakpoints | |
699 | ||
700 | # Make sure that we can watch a constant address, and correctly | |
701 | # use a HW watchpoint if supported. | |
702 | gdb_test "watch *(int *) 0" \ | |
703 | "$watchpoint_msg \[0-9\]+: \\*\\(int \\*\\) 0" | |
704 | delete_breakpoints | |
705 | ||
a1442452 PA |
706 | # The same, but using -location through an indirection. |
707 | gdb_test "watch -location *global_ptr" \ | |
4a4106ca | 708 | "$watchpoint_msg \[0-9\]+: \-location \\*global_ptr" |
a1442452 PA |
709 | delete_breakpoints |
710 | ||
b800ec70 UW |
711 | # This step requires two HW watchpoints. Since some platforms only |
712 | # have a single one, accept either SW or HW watchpoint in this case. | |
713 | if {[skip_hw_watchpoint_multi_tests]} { | |
714 | set watchpoint_msg "(Watchpoint|Hardware watchpoint)" | |
efd11a33 JK |
715 | } |
716 | ||
717 | gdb_test "watch *global_ptr" "$watchpoint_msg \[0-9\]+: \\\*global_ptr" | |
65d79d4b SDJ |
718 | gdb_test "set \$global_ptr_breakpoint_number = \$bpnum" "" |
719 | gdb_test "next" ".*global_ptr = buf.*" "global_ptr next" | |
fa4727a6 DJ |
720 | gdb_test_multiple "next" "next over ptr init" { |
721 | -re ".*atchpoint \[0-9\]+: \\*global_ptr\r\n\r\nOld value = .*\r\nNew value = 3 .*\r\n.*$gdb_prompt $" { | |
722 | # We can not test for <unknown> here because NULL may be readable. | |
723 | # This test does rely on *NULL != 3. | |
724 | pass "next over ptr init" | |
725 | } | |
726 | } | |
727 | gdb_test_multiple "next" "next over buffer set" { | |
728 | -re ".*atchpoint \[0-9\]+: \\*global_ptr\r\n\r\nOld value = 3 .*\r\nNew value = 7 .*\r\n.*$gdb_prompt $" { | |
729 | pass "next over buffer set" | |
730 | } | |
731 | } | |
65d79d4b SDJ |
732 | gdb_test "delete \$global_ptr_breakpoint_number" "" |
733 | gdb_test "watch **global_ptr_ptr" ".*atchpoint \[0-9\]+: \\*\\*global_ptr_ptr" | |
734 | gdb_test "set \$global_ptr_ptr_breakpoint_number = \$bpnum" "" | |
c79a8e11 | 735 | gdb_test "next" ".*global_ptr_ptr = &global_ptr.*" "global_ptr_ptr next" |
65d79d4b SDJ |
736 | gdb_test "next" ".*atchpoint \[0-9\]+: \\*\\*global_ptr_ptr\[\r\n\]+Old value = .*\r\nNew value = 7 .*" "next over global_ptr_ptr init" |
737 | gdb_test "next" ".*atchpoint \[0-9\]+: \\*\\*global_ptr_ptr\[\r\n\]+Old value = 7 .*\r\nNew value = 9 .*" "next over global_ptr_ptr buffer set" | |
738 | gdb_test "next" ".*atchpoint \[0-9\]+: \\*\\*global_ptr_ptr\[\r\n\]+Old value = 9 .*\r\nNew value = 5 .*" "next over global_ptr_ptr pointer advance" | |
739 | gdb_test_no_output "delete \$global_ptr_ptr_breakpoint_number" | |
fa4727a6 DJ |
740 | } |
741 | } | |
a13491c8 PA |
742 | |
743 | proc test_no_hw_watchpoints {} { | |
4b3c9f41 PA |
744 | global testfile |
745 | ||
746 | clean_restart $testfile | |
a13491c8 PA |
747 | |
748 | # Verify that a user can force GDB to use "slow" watchpoints. | |
749 | # (This proves rather little on kernels that don't support | |
750 | # fast watchpoints, but still...) | |
751 | # | |
752 | if ![runto_main] then { fail "watch tests suppressed" } | |
753 | ||
754 | gdb_test_no_output "set can-use-hw-watchpoints 0" "disable fast watches" | |
755 | ||
756 | gdb_test "show can-use-hw-watchpoints" \ | |
757 | "Debugger's willingness to use watchpoint hardware is 0." \ | |
758 | "show disable fast watches" | |
759 | ||
760 | gdb_test "watch ival3 if count > 1" \ | |
761 | "Watchpoint \[0-9\]*: ival3.*" \ | |
762 | "set slow conditional watch" | |
763 | ||
764 | gdb_test "continue" \ | |
765 | "Watchpoint \[0-9\]*: ival3.*Old value = 1.*New value = 2.*" \ | |
766 | "trigger slow conditional watch" | |
767 | ||
768 | gdb_test_no_output "delete \$bpnum" "delete watch ival3" | |
769 | ||
770 | # We've explicitly disabled hardware watches. Verify that GDB | |
771 | # refrains from using them. | |
772 | # | |
773 | gdb_test "rwatch ival3" \ | |
774 | "Expression cannot be implemented with read/access watchpoint..*" \ | |
775 | "rwatch disallowed when can-set-hw-watchpoints cleared" | |
776 | ||
777 | # Re-enable hardware watchpoints if necessary. | |
778 | if ![target_info exists gdb,no_hardware_watchpoints] { | |
779 | gdb_test_no_output "set can-use-hw-watchpoints 1" "" | |
780 | } | |
781 | } | |
782 | ||
218d2fc6 TJB |
783 | proc test_watchpoint_in_big_blob {} { |
784 | global gdb_prompt | |
785 | ||
274f47f3 PA |
786 | # On native targets where we do hardware resource accounting, this |
787 | # may end up as a software watchpoint. | |
788 | set ok 0 | |
789 | set test "watch buf" | |
790 | gdb_test_multiple "watch buf" $test { | |
791 | -re "Hardware watchpoint \[0-9\]+: buf.*You may have requested too many hardware breakpoints/watchpoints.*$gdb_prompt $" { | |
792 | # This may happen with remote targets (where we don't do | |
793 | # resource accounting) that support hardware watchpoints, | |
794 | # when breakpoint always-inserted is on. The watchpoint | |
795 | # was too large, for example. If GDB is ever adjusted to | |
796 | # downgrade the watchpoint automatically in this case, | |
797 | # this match should be removed. Note the breakpoint has | |
798 | # been created, and is in the list, so it needs deleting. | |
799 | pass $test | |
800 | } | |
801 | -re ".*atchpoint \[0-9\]+: buf.*$gdb_prompt $" { | |
802 | pass $test | |
803 | set ok 1 | |
804 | } | |
805 | } | |
806 | ||
807 | if { $ok } { | |
808 | set test "watchpoint on buf hit" | |
809 | gdb_test_multiple "cont" $test { | |
810 | -re "Continuing.*atchpoint \[0-9\]+: buf\r\n\r\nOld value = .*testte\".*$gdb_prompt $" { | |
811 | pass $test | |
812 | } | |
813 | -re "Could not insert hardware breakpoints:.*You may have requested too many hardware breakpoints/watchpoints.*$gdb_prompt $" { | |
814 | # This may happen with remote targets that support | |
815 | # hardware watchpoints. We only find out the | |
816 | # watchpoint was too large, for example, at insert | |
817 | # time. If GDB is ever adjusted to downgrade the | |
818 | # watchpoint automatically in this case, this match | |
819 | # should be removed. | |
820 | pass $test | |
821 | } | |
822 | } | |
823 | } | |
06a64a0b TT |
824 | |
825 | gdb_test_no_output "delete \$bpnum" "delete watch buf" | |
218d2fc6 TJB |
826 | } |
827 | ||
c906108c SS |
828 | # Start with a fresh gdb. |
829 | ||
78b4f468 | 830 | set prev_timeout $timeout |
c906108c SS |
831 | set timeout 600 |
832 | verbose "Timeout now 600 sec.\n" | |
833 | ||
4b3c9f41 | 834 | test_no_hw_watchpoints |
c906108c | 835 | |
4b3c9f41 PA |
836 | proc do_tests {} { |
837 | global testfile | |
838 | global no_hw | |
c906108c | 839 | |
4b3c9f41 | 840 | clean_restart $testfile |
c906108c | 841 | |
4b3c9f41 PA |
842 | if {$no_hw} { |
843 | gdb_test_no_output "set can-use-hw-watchpoints 0" "" | |
844 | } | |
845 | ||
846 | if [initialize] then { | |
847 | ||
848 | test_simple_watchpoint | |
849 | ||
850 | test_disabling_watchpoints | |
851 | ||
852 | if ![target_info exists gdb,cannot_call_functions] { | |
853 | test_stepping | |
854 | } | |
c906108c SS |
855 | } |
856 | ||
f3ad2025 PA |
857 | # Tests below don't rely on the markers and watchpoint set by |
858 | # `initialize' anymore. | |
859 | clean_restart $testfile | |
860 | ||
4b3c9f41 PA |
861 | if {$no_hw} { |
862 | gdb_test_no_output "set can-use-hw-watchpoints 0" "" | |
863 | } | |
864 | ||
c906108c SS |
865 | # Only enabled for some targets merely because it has not been tested |
866 | # elsewhere. | |
867 | # On sparc-sun-sunos4.1.3, GDB was running all the way to the marker4 | |
868 | # breakpoint before stopping for the watchpoint. I don't know why. | |
869 | if {[istarget "hppa*-*-*"]} then { | |
870 | test_watchpoint_triggered_in_syscall | |
871 | } | |
872 | ||
dbd95daf | 873 | test_complex_watchpoint |
085dd6e6 | 874 | |
8464be76 DJ |
875 | test_inaccessible_watchpoint |
876 | ||
293e9a31 | 877 | test_watchpoint_and_breakpoint |
218d2fc6 TJB |
878 | |
879 | test_watchpoint_in_big_blob | |
65d79d4b | 880 | |
65d79d4b | 881 | test_constant_watchpoint |
06a64a0b | 882 | |
efa80663 PA |
883 | test_disable_enable_software_watchpoint |
884 | ||
06a64a0b | 885 | test_watch_location |
fabde485 | 886 | |
fabde485 PA |
887 | test_wide_location_1 |
888 | test_wide_location_2 | |
c906108c | 889 | } |
78b4f468 | 890 | |
4b3c9f41 PA |
891 | # On targets that can do hardware watchpoints, run the tests twice: |
892 | # once with hardware watchpoints enabled; another with hardware | |
893 | # watchpoints force-disabled. | |
894 | ||
895 | do_tests | |
896 | if ![target_info exists gdb,no_hardware_watchpoints] { | |
897 | set save_pf_prefix $pf_prefix | |
898 | lappend pf_prefix "no-hw:" | |
899 | ||
900 | set no_hw 1 | |
901 | do_tests | |
902 | set pf_prefix $save_pf_prefix | |
903 | } | |
904 | ||
78b4f468 RE |
905 | # Restore old timeout |
906 | set timeout $prev_timeout | |
907 | verbose "Timeout now $timeout sec.\n" |