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320b6f49 MR |
1 | # Copyright 1988, 1990-1992, 1994-2000, 2002-2003, 2007-2012 Free |
2 | # Software Foundation, Inc. | |
3 | ||
4 | # This program is free software; you can redistribute it and/or modify | |
5 | # it under the terms of the GNU General Public License as published by | |
6 | # the Free Software Foundation; either version 3 of the License, or | |
7 | # (at your option) any later version. | |
8 | # | |
9 | # This program is distributed in the hope that it will be useful, | |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
13 | # | |
14 | # You should have received a copy of the GNU General Public License | |
15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | ||
17 | # Based on break.exp by Rob Savoye. (rob@cygnus.com) | |
18 | # Hardware breakpoint support by Maciej W. Rozycki and Daniel Jacobowitz. | |
19 | # Only one hardware breakpoint is set at a time as targets may limit | |
20 | # the number available. | |
21 | ||
22 | ||
23 | if { [prepare_for_testing hbreak2.exp "hbreak2" {break.c break1.c} {debug nowarnings}] } { | |
24 | return -1 | |
25 | } | |
26 | set srcfile break.c | |
27 | set srcfile1 break1.c | |
28 | ||
29 | if ![runto_main] then { fail "break tests suppressed" } | |
30 | delete_breakpoints | |
31 | ||
32 | # | |
33 | # Test whether the target supports hardware breakpoints at all. | |
34 | # | |
35 | gdb_test_multiple "hbreak main" "hardware breakpoint support" { | |
36 | -re "No hardware breakpoint support in the target.*$gdb_prompt $" { | |
37 | unsupported "hardware breakpoints" | |
38 | return | |
39 | } | |
40 | -re "Hardware breakpoints used exceeds limit.*$gdb_prompt $" { | |
41 | unsupported "hardware breakpoints" | |
42 | return | |
43 | } | |
44 | -re "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*$gdb_prompt $" { | |
45 | pass "hardware breakpoint support" | |
46 | } | |
47 | } | |
48 | gdb_run_cmd | |
49 | gdb_test_multiple "" "hardware breakpoint insertion" { | |
50 | -re "Warning:\[\r\n\]+Cannot insert hardware breakpoint \[0-9\]+\.\[\r\n\]+Could not insert hardware breakpoints:\[\r\n\]+You may have requested too many hardware breakpoints/watchpoints\.\[\r\n\]+.*$gdb_prompt $" { | |
51 | unsupported "hardware breakpoint insertion" | |
52 | return | |
53 | } | |
54 | -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:.*\[\r\n\]+.*\[\t \]+if .argc.* \{.*$gdb_prompt $" { | |
55 | pass "hardware breakpoint insertion" | |
56 | } | |
57 | } | |
58 | delete_breakpoints | |
59 | ||
60 | # | |
61 | # Test simple hardware breakpoint setting commands. | |
62 | # | |
63 | ||
64 | # | |
65 | # Test break at function. | |
66 | # | |
67 | gdb_test "hbreak main" \ | |
68 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*" \ | |
69 | "hardware breakpoint function" | |
70 | delete_breakpoints | |
71 | ||
72 | # | |
73 | # Test break at quoted function. | |
74 | # | |
75 | gdb_test "hbreak \"marker2\"" \ | |
76 | "Hardware assisted breakpoint.*at.* file .*$srcfile1, line.*" \ | |
77 | "hardware breakpoint quoted function" | |
78 | delete_breakpoints | |
79 | ||
80 | # | |
81 | # Test break at function in file. | |
82 | # | |
83 | gdb_test "hbreak $srcfile:factorial" \ | |
84 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*" \ | |
85 | "hardware breakpoint function in file" | |
86 | delete_breakpoints | |
87 | ||
88 | set bp_location1 [gdb_get_line_number "set breakpoint 1 here"] | |
89 | ||
90 | # | |
91 | # Test break at line number. | |
92 | # | |
93 | # Note that the default source file is the last one whose source text | |
94 | # was printed. For native debugging, before we've executed the | |
95 | # program, this is the file containing main, but for remote debugging, | |
96 | # it's wherever the processor was stopped when we connected to the | |
97 | # board. So, to be sure, we do a list command. | |
98 | # | |
99 | gdb_test "list main" \ | |
100 | ".*main \\(argc, argv, envp\\).*" \ | |
101 | "use `list' to establish default source file" | |
102 | gdb_test "hbreak $bp_location1" \ | |
103 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \ | |
104 | "hardware breakpoint line number" | |
105 | delete_breakpoints | |
106 | ||
107 | set bp_location2 [gdb_get_line_number "set breakpoint 2 here"] | |
108 | ||
109 | # | |
110 | # Test break at line number in file. | |
111 | # | |
112 | gdb_test "hbreak $srcfile:$bp_location2" \ | |
113 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \ | |
114 | "hardware breakpoint line number in file" | |
115 | delete_breakpoints | |
116 | ||
117 | set bp_location3 [gdb_get_line_number "set breakpoint 3 here"] | |
118 | set bp_location4 [gdb_get_line_number "set breakpoint 4 here"] | |
119 | ||
120 | # | |
121 | # Test putting a break at the start of a multi-line if conditional. | |
122 | # Verify the breakpoint was put at the start of the conditional. | |
123 | # | |
124 | gdb_test "hbreak multi_line_if_conditional" \ | |
125 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location3\\." \ | |
126 | "hardware breakpoint at start of multi line if conditional" | |
127 | delete_breakpoints | |
128 | ||
129 | gdb_test "hbreak multi_line_while_conditional" \ | |
130 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location4\\." \ | |
131 | "hardware breakpoint at start of multi line while conditional" | |
132 | ||
320b6f49 MR |
133 | set bp_location6 [gdb_get_line_number "set breakpoint 6 here"] |
134 | ||
135 | set main_line $bp_location6 | |
136 | ||
137 | if {$hp_aCC_compiler} { | |
138 | set proto "\\(int\\)" | |
139 | } else { | |
140 | set proto "" | |
141 | } | |
142 | ||
143 | set bp_location7 [gdb_get_line_number "set breakpoint 7 here"] | |
144 | set bp_location8 [gdb_get_line_number "set breakpoint 8 here" $srcfile1] | |
145 | set bp_location9 [gdb_get_line_number "set breakpoint 9 here" $srcfile1] | |
146 | ||
147 | gdb_test "info break" \ | |
148 | "Num Type\[ \]+Disp Enb Address\[ \]+What.* | |
149 | \[0-9\]+\[\t \]+hw breakpoint keep y.* in multi_line_while_conditional at .*$srcfile:$bp_location4" \ | |
150 | "hardware breakpoint info" | |
151 | delete_breakpoints | |
152 | ||
153 | # | |
154 | # Run until the breakpoint at main is hit. For non-stubs-using targets. | |
155 | # | |
156 | gdb_test "hbreak main" \ | |
157 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*" \ | |
158 | "hardware breakpoint function (2)" | |
159 | gdb_run_cmd | |
160 | gdb_test "" \ | |
161 | "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*" \ | |
162 | "run until function breakpoint" | |
163 | delete_breakpoints | |
164 | ||
165 | # | |
166 | # Run until the breakpoint at a line number. | |
167 | # | |
168 | gdb_test "hbreak $bp_location1" \ | |
169 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location1\\." \ | |
170 | "hardware breakpoint line number (2)" | |
171 | gdb_test "continue" \ | |
172 | "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location1.*$bp_location1\[\t \]+printf.*factorial.*" \ | |
173 | "run until breakpoint set at a line number" | |
174 | delete_breakpoints | |
175 | ||
176 | # | |
177 | # Run until the breakpoint set in a function in a file. | |
178 | # | |
179 | gdb_test "hbreak $srcfile:factorial" \ | |
180 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*" \ | |
181 | "hardware breakpoint function in file (2)" | |
182 | for {set i 6} {$i >= 1} {incr i -1} { | |
183 | gdb_test "continue" \ | |
184 | "Continuing\\..*Breakpoint \[0-9\]+, factorial \\(value=$i\\) at .*$srcfile:$bp_location7.*$bp_location7\[\t \]+.*if .value > 1. \{.*" \ | |
185 | "run until file:function($i) breakpoint" | |
186 | } | |
187 | delete_breakpoints | |
188 | ||
189 | # | |
190 | # Run until the breakpoint set at a quoted function. | |
191 | # | |
192 | gdb_test "hbreak \"marker2\"" \ | |
193 | "Hardware assisted breakpoint.*at.* file .*$srcfile1, line.*" \ | |
194 | "hardware breakpoint quoted function (2)" | |
195 | gdb_test "continue" \ | |
196 | "Continuing\\..*Breakpoint \[0-9\]+, (0x\[0-9a-f\]+ in )?marker2 \\(a=43\\) at .*$srcfile1:($bp_location8|$bp_location9).*" \ | |
197 | "run until quoted breakpoint" | |
198 | delete_breakpoints | |
199 | # | |
200 | # Run until the file:function breakpoint at a line number in a file. | |
201 | # | |
202 | gdb_test "hbreak $srcfile:$bp_location2" \ | |
203 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location2\\." \ | |
204 | "hardware breakpoint line number in file (2)" | |
205 | gdb_test "continue" \ | |
206 | "Continuing\\..*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location2.*$bp_location2\[\t \]+argc = \\(argc == 12345\\);.*" \ | |
207 | "run until file:linenum breakpoint" | |
208 | delete_breakpoints | |
209 | ||
210 | # Test break at offset +1. | |
211 | set bp_location10 [gdb_get_line_number "set breakpoint 10 here"] | |
212 | ||
213 | gdb_test "hbreak +1" \ | |
214 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location10\\." \ | |
215 | "hardware breakpoint offset +1" | |
216 | ||
217 | # Check to see if breakpoint is hit when stepped onto. | |
218 | ||
219 | gdb_test "step" \ | |
220 | ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10.*$bp_location10\[\t \]+return argc;.*breakpoint 10 here.*" \ | |
221 | "step onto hardware breakpoint" | |
222 | delete_breakpoints | |
223 | ||
224 | # Check to see if breakpoint can be set on ending brace of function. | |
225 | set bp_location10a [gdb_get_line_number "set breakpoint 10a here"] | |
226 | ||
227 | gdb_test "hbreak $bp_location10a" \ | |
228 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location10a\\." \ | |
229 | "setting hardware breakpoint at }" | |
230 | ||
231 | gdb_test "continue" \ | |
232 | ".*Breakpoint \[0-9\]+, main \\(argc=.*, argv=.*, envp=.*\\) at .*$srcfile:$bp_location10a.*$bp_location10a\[\t \]+}.*breakpoint 10a here.*" \ | |
233 | "continue to hardware breakpoint at }" | |
234 | ||
235 | # | |
236 | # Delete all breakpoints so we can start over, course this can be a test too. | |
237 | # | |
238 | delete_breakpoints | |
239 | ||
240 | # | |
241 | # Test temporary breakpoint at function. | |
242 | # | |
243 | ||
244 | gdb_test "thbreak main" \ | |
245 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*" \ | |
246 | "temporary hardware breakpoint function" | |
247 | delete_breakpoints | |
248 | ||
249 | # | |
250 | # Test break at function in file. | |
251 | # | |
252 | ||
253 | gdb_test "thbreak $srcfile:factorial" \ | |
254 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line.*" \ | |
255 | "temporary hardware breakpoint function in file" | |
256 | delete_breakpoints | |
257 | ||
258 | # | |
259 | # Test break at line number. | |
260 | # | |
261 | gdb_test "thbreak $bp_location1" \ | |
262 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location1.*" \ | |
263 | "temporary hardware breakpoint line number #1" | |
264 | delete_breakpoints | |
265 | ||
266 | gdb_test "thbreak $bp_location6" \ | |
267 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location6.*" \ | |
268 | "temporary hardware breakpoint line number #2" | |
269 | delete_breakpoints | |
270 | ||
271 | # | |
272 | # Test break at line number in file. | |
273 | # | |
274 | gdb_test "thbreak $srcfile:$bp_location2" \ | |
275 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location2.*" \ | |
276 | "temporary hardware breakpoint line number in file #1" | |
277 | delete_breakpoints | |
278 | ||
279 | set bp_location11 [gdb_get_line_number "set breakpoint 11 here"] | |
280 | gdb_test "thbreak $srcfile:$bp_location11" \ | |
281 | "Hardware assisted breakpoint.*at.* file .*$srcfile, line $bp_location11.*" \ | |
282 | "temporary hardware breakpoint line number in file #2" | |
283 | ||
284 | # | |
285 | # Check to see what breakpoints are set (temporary this time). | |
286 | # | |
287 | gdb_test "info break" \ | |
288 | "Num Type.*Disp Enb Address.*What.*\[\r\n\] | |
289 | \[0-9\]+\[\t \]+hw breakpoint del.*y.*in main at .*$srcfile:$bp_location11.*" \ | |
290 | "temporary hardware breakpoint info" | |
291 | ||
292 | ||
293 | #*********** | |
294 | ||
295 | if ![runto_main] then { fail "break tests suppressed" } | |
296 | ||
297 | # Verify that GDB responds gracefully when asked to set a breakpoint | |
298 | # on a nonexistent source line. | |
299 | # | |
300 | gdb_test_no_output "set breakpoint pending off" | |
301 | gdb_test "hbreak 999" \ | |
302 | "No line 999 in the current file." \ | |
303 | "hardware break on non-existent source line" | |
304 | ||
305 | # Run to the desired default location. If not positioned here, the | |
306 | # tests below don't work. | |
307 | # | |
308 | gdb_test "until $bp_location1" "main .* at .*:$bp_location1.*" \ | |
309 | "until bp_location1" | |
310 | ||
311 | ||
312 | # Verify that GDB allows one to just say "hbreak", which is treated | |
313 | # as the "default" breakpoint. | |
314 | # | |
315 | gdb_test "hbreak" "Hardware assisted breakpoint \[0-9\]*.*" \ | |
316 | "hardware break on default location" | |
317 | ||
318 | # Verify that a "silent" breakpoint can be set, and that GDB is indeed | |
319 | # "silent" about its triggering. | |
320 | # | |
321 | if ![runto_main] then { fail "break tests suppressed" } | |
322 | ||
323 | gdb_test_multiple "hbreak $bp_location1" \ | |
324 | "set to-be-silent hardware break bp_location1" { | |
325 | -re "Hardware assisted breakpoint (\[0-9\]*) at .*, line $bp_location1.*$gdb_prompt $" { | |
326 | pass "set to-be-silent hardware break bp_location1" | |
327 | } | |
328 | } | |
329 | ||
330 | gdb_test "commands $expect_out(1,string)\nsilent\nend" ">end" "set silent break bp_location1" | |
331 | ||
332 | gdb_test "info break $expect_out(1,string)" \ | |
333 | "\[0-9\]*\[ \t\]*hw breakpoint.*:$bp_location1\r\n\[ \t\]*silent.*" \ | |
334 | "info silent hardware break bp_location1" | |
335 | ||
336 | gdb_test "continue" "Continuing." \ | |
337 | "hit silent hardware break bp_location1" | |
338 | ||
339 | gdb_test "bt" "#0 main .* at .*:$bp_location1.*" \ | |
340 | "stopped for silent hardware break bp_location1" | |
341 | ||
342 | # Verify that GDB can at least parse a breakpoint with the | |
343 | # "thread" keyword. (We won't attempt to test here that a | |
344 | # thread-specific breakpoint really triggers appropriately. | |
345 | # The gdb.threads subdirectory contains tests for that.) | |
346 | # | |
347 | set bp_location12 [gdb_get_line_number "set breakpoint 12 here"] | |
348 | gdb_test "hbreak $bp_location12 thread 999" "Unknown thread 999.*" \ | |
349 | "thread-specific hardware breakpoint on non-existent thread disallowed" | |
350 | ||
351 | gdb_test "hbreak $bp_location12 thread foo" \ | |
352 | "Junk after thread keyword.*" \ | |
353 | "thread-specific hardware breakpoint on bogus thread ID disallowed" | |
354 | ||
355 | # Verify that GDB responds gracefully to a breakpoint command with | |
356 | # trailing garbage. | |
357 | # | |
358 | gdb_test "hbreak $bp_location12 foo" \ | |
40e084e1 | 359 | "malformed linespec error: unexpected string, \"foo\".*" \ |
320b6f49 MR |
360 | "hardware breakpoint with trailing garbage disallowed" |
361 | ||
362 | # Verify that GDB responds gracefully to a "clear" command that has | |
363 | # no matching breakpoint. (First, get us off the current source line, | |
364 | # which we know has a breakpoint.) | |
365 | # | |
366 | gdb_test "next" "marker1.*" "step over hardware breakpoint" | |
367 | ||
368 | gdb_test "clear 81" "No breakpoint at 81.*" \ | |
369 | "clear line has no breakpoint disallowed" | |
370 | ||
371 | gdb_test "clear" "No breakpoint at this line.*" \ | |
372 | "clear current line has no breakpoint disallowed" | |
373 | delete_breakpoints | |
374 | ||
375 | # Verify that a breakpoint can be set via a convenience variable. | |
376 | # | |
377 | gdb_test_no_output "set \$foo=$bp_location11" \ | |
378 | "set convenience variable \$foo to bp_location11" | |
379 | ||
380 | gdb_test "hbreak \$foo" \ | |
381 | "Hardware assisted breakpoint (\[0-9\]*) at .*, line $bp_location11.*" \ | |
382 | "set hardware breakpoint via convenience variable" | |
383 | delete_breakpoints | |
384 | ||
385 | # Verify that GDB responds gracefully to an attempt to set a | |
386 | # breakpoint via a convenience variable whose type is not integer. | |
387 | # | |
388 | gdb_test_no_output "set \$foo=81.5" \ | |
389 | "set convenience variable \$foo to 81.5" | |
390 | ||
391 | gdb_test "hbreak \$foo" \ | |
392 | "Convenience variables used in line specs must have integer values.*" \ | |
393 | "set hardware breakpoint via non-integer convenience variable disallowed" | |
394 | ||
395 | # Verify that we can set and trigger a breakpoint in a user-called function. | |
396 | # | |
397 | gdb_test "hbreak marker2" \ | |
398 | "Hardware assisted breakpoint (\[0-9\]*) at .*, line ($bp_location8|$bp_location9).*" \ | |
399 | "set hardware breakpoint on to-be-called function" | |
400 | ||
401 | gdb_test "print marker2(99)" \ | |
402 | "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.*" \ | |
403 | "hit hardware breakpoint on called function" | |
404 | ||
405 | # As long as we're stopped (breakpointed) in a called function, | |
406 | # verify that we can successfully backtrace & such from here. | |
407 | # | |
408 | # In this and the following test, the _sr4export check apparently is needed | |
409 | # for hppa*-*-hpux. | |
410 | # | |
411 | gdb_test_multiple "bt" "backtrace while in called function" { | |
412 | -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*_sr4export.*$gdb_prompt $" { | |
413 | pass "backtrace while in called function" | |
414 | } | |
415 | -re "#0\[ \t\]*($hex in )?marker2.*:($bp_location8|$bp_location9)\r\n#1.*function called from gdb.*$gdb_prompt $" { | |
416 | pass "backtrace while in called function" | |
417 | } | |
418 | } | |
419 | ||
420 | # Return from the called function. For remote targets, it's important to do | |
421 | # this before runto_main, which otherwise may silently stop on the dummy | |
422 | # breakpoint inserted by GDB at the program's entry point. | |
423 | # | |
424 | gdb_test_multiple "finish" "finish from called function" { | |
425 | -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.* in _sr4export.*$gdb_prompt $" { | |
426 | pass "finish from called function" | |
427 | } | |
428 | -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*function called from gdb.*$gdb_prompt $" { | |
429 | pass "finish from called function" | |
430 | } | |
431 | -re "Run till exit from .*marker2.* at .*($bp_location8|$bp_location9)\r\n.*Value returned.*$gdb_prompt $" { | |
432 | pass "finish from called function" | |
433 | } | |
434 | } | |
435 | ||
436 | #******** | |
437 | ||
438 | ||
439 | # | |
440 | # Test "next" over recursive function call. | |
441 | # | |
442 | ||
443 | proc test_next_with_recursion {} { | |
444 | global gdb_prompt | |
445 | global decimal | |
446 | global binfile | |
447 | ||
448 | delete_breakpoints | |
449 | ||
450 | # Can't set a hardware breakpoint without a live target, so do it now | |
451 | # before it's killed below. | |
452 | gdb_test "hbreak factorial" \ | |
453 | "Hardware assisted breakpoint $decimal at .*" \ | |
454 | "hardware break at factorial" | |
455 | ||
456 | gdb_test "kill" "" "kill program" \ | |
457 | "Kill the program being debugged.*y or n. $" "y" | |
458 | ||
459 | # Run until we call factorial with 6 | |
460 | ||
461 | gdb_run_cmd | |
462 | if [gdb_test "" \ | |
463 | "Break.* factorial .value=6. .*" \ | |
464 | "run to factorial(6)"] then { gdb_suppress_tests } | |
465 | ||
466 | # Continue until we call factorial recursively with 5. | |
467 | ||
468 | if [gdb_test "continue" \ | |
469 | "Continuing.*Break.* factorial .value=5. .*" \ | |
470 | "continue to factorial(5)"] then { gdb_suppress_tests } | |
471 | ||
472 | # Do a backtrace just to confirm how many levels deep we are. | |
473 | ||
474 | if [gdb_test "backtrace" \ | |
475 | "#0\[ \t\]+ factorial .value=5..*" \ | |
476 | "backtrace from factorial(5)"] then { gdb_suppress_tests } | |
477 | ||
478 | # Now a "next" should position us at the recursive call, which | |
479 | # we will be performing with 4. | |
480 | ||
481 | if [gdb_test "next" \ | |
482 | ".* factorial .value - 1.;.*" \ | |
483 | "next to recursive call"] then { gdb_suppress_tests } | |
484 | ||
485 | # Disable the breakpoint at the entry to factorial by deleting them all. | |
486 | # The "next" should run until we return to the next line from this | |
487 | # recursive call to factorial with 4. | |
488 | # Buggy versions of gdb will stop instead at the innermost frame on | |
489 | # the line where we are trying to "next" to. | |
490 | ||
491 | delete_breakpoints | |
492 | ||
493 | if [istarget "mips*tx39-*"] { | |
494 | set timeout 60 | |
495 | } | |
496 | # We used to set timeout here for all other targets as well. This | |
497 | # is almost certainly wrong. The proper timeout depends on the | |
498 | # target system in use, and how we communicate with it, so there | |
499 | # is no single value appropriate for all targets. The timeout | |
500 | # should be established by the Dejagnu config file(s) for the | |
501 | # board, and respected by the test suite. | |
502 | # | |
503 | # For example, if I'm running GDB over an SSH tunnel talking to a | |
504 | # portmaster in California talking to an ancient 68k board running | |
505 | # a crummy ROM monitor (a situation I can only wish were | |
506 | # hypothetical), then I need a large timeout. But that's not the | |
507 | # kind of knowledge that belongs in this file. | |
508 | ||
509 | gdb_test next "\[0-9\]*\[\t \]+return \\(value\\);.*" \ | |
510 | "next over recursive call" | |
511 | ||
512 | # OK, we should be back in the same stack frame we started from. | |
513 | # Do a backtrace just to confirm. | |
514 | ||
515 | set result [gdb_test "backtrace" \ | |
516 | "#0\[ \t\]+ factorial .value=120.*\r\n#1\[ \t\]+ \[0-9a-fx\]+ in factorial .value=6..*" \ | |
517 | "backtrace from factorial(5.1)"] | |
518 | if { $result != 0 } { gdb_suppress_tests } | |
519 | ||
520 | if [target_info exists gdb,noresults] { gdb_suppress_tests } | |
521 | gdb_continue_to_end "recursive next test" | |
522 | gdb_stop_suppressing_tests; | |
523 | } | |
524 | ||
525 | test_next_with_recursion | |
526 | ||
527 | ||
528 | #******** | |
529 | ||
530 | # Build a new file with optimization enabled so that we can try breakpoints | |
531 | # on targets with optimized prologues. | |
532 | ||
533 | if { [prepare_for_testing hbreak2.exp "hbreak2o2" {break.c break1.c} {debug nowarnings optimize=-O2}] } { | |
534 | return -1 | |
535 | } | |
536 | ||
537 | if ![runto_main] then { fail "break tests suppressed" } | |
538 | delete_breakpoints | |
539 | ||
540 | # | |
541 | # Test break at function. | |
542 | # | |
543 | gdb_test "hbreak main" \ | |
544 | "Hardware assisted breakpoint.*at.* file .*, line.*" \ | |
545 | "hardware breakpoint function, optimized file" | |
546 | ||
547 | # | |
548 | # Run until the breakpoint at main is hit. For non-stubs-using targets. | |
549 | # | |
550 | gdb_run_cmd | |
551 | gdb_test_multiple "" "run until hardware function breakpoint, optimized file" { | |
552 | -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$srcfile:$bp_location6.*$bp_location6\[\t \]+if .argc.* \{.*$gdb_prompt $" { | |
553 | pass "run until hardware function breakpoint, optimized file" | |
554 | } | |
555 | -re "Breakpoint \[0-9\]+,.*main .*argc.*argv.* at .*$gdb_prompt $" { | |
556 | pass "run until hardware function breakpoint, optimized file (code motion)" | |
557 | } | |
558 | } | |
559 | delete_breakpoints | |
560 | ||
561 | # | |
562 | # Test break at function. | |
563 | # | |
564 | gdb_test "hbreak marker4" \ | |
565 | "Hardware assisted breakpoint.*at.* file .*$srcfile1, line.*" \ | |
566 | "hardware breakpoint small function, optimized file" | |
567 | ||
568 | # | |
569 | # Run until the breakpoint at a small function. | |
570 | # | |
571 | ||
572 | # | |
573 | # Add a second pass pattern. The behavior differs here between stabs | |
574 | # and dwarf for one-line functions. Stabs preserves two line symbols | |
575 | # (one before the prologue and one after) with the same line number, | |
576 | # but dwarf regards these as duplicates and discards one of them. | |
577 | # Therefore the address after the prologue (where the breakpoint is) | |
578 | # has no exactly matching line symbol, and GDB reports the breakpoint | |
579 | # as if it were in the middle of a line rather than at the beginning. | |
580 | ||
581 | set bp_location13 [gdb_get_line_number "set breakpoint 13 here" $srcfile1] | |
582 | set bp_location14 [gdb_get_line_number "set breakpoint 14 here" $srcfile1] | |
583 | ||
584 | gdb_test_multiple "continue" \ | |
585 | "run until hardware breakpoint set at small function, optimized file" { | |
586 | -re "Breakpoint $decimal, marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" { | |
587 | pass "run until hardware breakpoint set at small function, optimized file" | |
588 | } | |
589 | -re "Breakpoint $decimal, $hex in marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location13\[\r\n\]+$bp_location13\[\t \]+void marker4.*" { | |
590 | pass "run until hardware breakpoint set at small function, optimized file" | |
591 | } | |
592 | -re "Breakpoint $decimal, marker4 \\(d=(d@entry=)?177601976\\) at .*$srcfile1:$bp_location14\[\r\n\]+$bp_location14\[\t \]+void marker4.*" { | |
593 | # marker4() is defined at line 46 when compiled with -DPROTOTYPES | |
594 | pass "run until hardware breakpoint set at small function, optimized file (line bp_location14)" | |
595 | } | |
596 | -re "Breakpoint $decimal, factorial \\(.*\\) .*\{\r\n$gdb_prompt" { | |
597 | # GCC 4.3 emits bad line number information - see gcc/36748. | |
598 | if { [test_compiler_info "gcc-4-3-*"] } { | |
599 | setup_xfail *-*-* | |
600 | } | |
601 | fail "run until hardware breakpoint set at small function, optimized file" | |
602 | } | |
603 | } |