xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.trace/collection.exp (revision a24efa7dea9f1f56c3bdb15a927d3516792ace1c)
1# Copyright 1998-2015 Free Software Foundation, Inc.
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
5# the Free Software Foundation; either version 3 of the License, or
6# (at your option) any later version.
7#
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.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program.  If not, see <http://www.gnu.org/licenses/>.
15
16load_lib "trace-support.exp"
17
18
19standard_testfile
20set executable $testfile
21
22if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug nowarnings}]} {
23    return -1
24}
25
26# Tests:
27# 1) $args
28# 2) function args by name
29# 3) $locs
30# 4) function locals by name
31# 5) $regs
32# 6) registers by name ($sp, $fp?)
33# 7) globals by name
34# 8) expressions (lots of different kinds: local and global)
35
36set ws "\[\r\n\t \]+"
37set cr "\[\r\n\]+"
38
39if [is_amd64_regs_target] {
40    set fpreg "rbp"
41    set spreg "rsp"
42    set pcreg "rip"
43} elseif [is_x86_like_target] {
44    set fpreg "ebp"
45    set spreg "esp"
46    set pcreg "eip"
47} else {
48    set fpreg "fp"
49    set spreg "sp"
50    set pcreg "pc"
51}
52
53#
54# Utility procs
55#
56
57proc test_register { reg test_id } {
58    global cr
59    global gdb_prompt
60
61    gdb_test_multiple "print /x $reg" "" {
62	-re "\\$\[0-9\]+ = \[x0\]+$cr$gdb_prompt $" {
63	    fail "collect $test_id: collected $reg (zero)"
64	}
65	-re "\\$\[0-9\]+ = \[x0-9a-fA-F\]+$cr$gdb_prompt $" {
66	    pass "collect $test_id: collected $reg"
67	}
68	-re "\[Ee\]rror.*$gdb_prompt $" {
69	    fail "collect $test_id: collected $reg (error)"
70	}
71    }
72}
73
74proc prepare_for_trace_test {} {
75    global executable
76
77    clean_restart $executable
78
79    runto_main
80
81    gdb_test "break begin" ".*" ""
82    gdb_test "break end" ".*" ""
83}
84
85proc run_trace_experiment { msg test_func } {
86    global gdb_prompt
87
88    gdb_test "continue" \
89	".*Breakpoint \[0-9\]+, begin .*" \
90	"collect $msg: advance to begin"
91
92    set test "collect $msg: start trace experiment"
93    gdb_test_multiple "tstart" "$test" {
94	-re "^tstart\r\n$gdb_prompt $" {
95	    pass "$test"
96	}
97    }
98
99    gdb_test "continue" \
100	    "Continuing.*Breakpoint \[0-9\]+, end.*" \
101	    "collect $msg: run trace experiment"
102    gdb_test "tstop" \
103	    "\[\r\n\]+" \
104	    "collect $msg: stop trace experiment"
105    gdb_test "tfind start" \
106	    "#0  $test_func .*" \
107	    "collect $msg: tfind test frame"
108}
109
110
111#
112# Test procs
113#
114
115proc gdb_collect_args_test { myargs msg } {
116    global cr
117    global gdb_prompt
118
119    prepare_for_trace_test
120
121    gdb_test "trace args_test_func" \
122	    "Tracepoint \[0-9\]+ at .*" \
123	    "collect $msg: set tracepoint"
124    gdb_trace_setactions "collect $msg: define actions" \
125	    "" \
126	    "collect $myargs" "^$"
127
128    # Begin the test.
129    run_trace_experiment $msg args_test_func
130
131    # Frame arguments and their entry values are displayed correctly with
132    # various values of "print entry-values" when a trace frame is
133    # selected.
134
135    gdb_test "tfind -1" ".*" ""
136    gdb_test_no_output "set print entry-values only" ""
137    gdb_test "tfind 0" \
138	" \\(argc@entry=\[^,\]*, argi@entry=\[^,\]*, argf@entry=\[^,\]*, argd@entry=\[^,\]*, argstruct@entry=\[^,\]*, argarray@entry=\[^,\]*\\) .*" \
139	"collect $msg: tfind 0 with entry-values only"
140
141    gdb_test "tfind -1" ".*" ""
142    gdb_test_no_output "set print entry-values both" ""
143    gdb_test "tfind 0" \
144	" \\(argc=\[^,\]*, argc@entry=\[^,\]*, argi=\[^,\]*, argi@entry=\[^,\]*, argf=\[^,\]*, argf@entry=\[^,\]*, argd=\[^,\]*, argd@entry=\[^,\]*, argstruct=\[^,\]*, argstruct@entry=\[^,\]*, argarray=\[^,\]*, argarray@entry=\[^,\]*\\) .*" \
145	"collect $msg: tfind 0 with entry-values both"
146
147    gdb_test "print argc" \
148	    "\\$\[0-9\]+ = 1 '.001'$cr" \
149	    "collect $msg: collected arg char"
150    gdb_test "print argi" \
151	    "\\$\[0-9\]+ = 2$cr" \
152	    "collect $msg: collected arg int"
153    gdb_test "print argf" \
154	    "\\$\[0-9\]+ = 3.\[23\]\[0-9\]*$cr" \
155	    "collect $msg: collected arg float"
156    gdb_test "print argd" \
157	    "\\$\[0-9\]+ = 4.\[34\]\[0-9\]*$cr" \
158	    "collect $msg: collected arg double"
159
160    # struct arg as one of several args (near end of list)
161    gdb_test "print argstruct.memberc" \
162	    "\\$\[0-9\]+ = 101 'e'$cr" \
163	    "collect $msg: collected arg struct member char"
164    gdb_test "print argstruct.memberi" \
165	    "\\$\[0-9\]+ = 102$cr" \
166	    "collect $msg: collected arg struct member int"
167    gdb_test "print argstruct.memberf" \
168	    "\\$\[0-9\]+ = 103.\[23\]\[0-9\]*$cr" \
169	    "collect $msg: collected arg struct member float"
170    gdb_test "print argstruct.memberd" \
171	    "\\$\[0-9\]+ = 104.\[34\]\[0-9\]*$cr" \
172	    "collect $msg: collected arg struct member double"
173
174    # array arg as one of several args (near end of list)
175
176    # It isn't clear why is the test assuming the array's elements are
177    # collected.  In C, an array as function parameters is a special
178    # case; it's just a pointer into the caller's array, and as such,
179    # that's what normally the debug info describes.  Maybe this was
180    # originaly written for a compiler where array parameters were
181    # really described as arrays in debug info.
182
183    setup_xfail "*-*-*"
184    gdb_test "print argarray\[0\]" \
185	    "\\$\[0-9\]+ = 111$cr" \
186	    "collect $msg: collected argarray #0"
187
188    setup_xfail "*-*-*"
189    gdb_test "print argarray\[1\]" \
190	    "\\$\[0-9\]+ = 112$cr" \
191	    "collect $msg: collected argarray #1"
192
193    setup_xfail "*-*-*"
194    gdb_test "print argarray\[2\]" \
195	    "\\$\[0-9\]+ = 113$cr" \
196	    "collect $msg: collected argarray #2"
197
198    setup_xfail "*-*-*"
199    gdb_test "print argarray\[3\]" \
200	    "\\$\[0-9\]+ = 114$cr" \
201	    "collect $msg: collected argarray #3"
202
203    gdb_test "tfind none" \
204	    "#0  end .*" \
205	    "collect $msg: cease trace debugging"
206}
207
208proc gdb_collect_argstruct_test { myargs msg } {
209    global cr
210    global gdb_prompt
211
212    prepare_for_trace_test
213
214    gdb_test "trace argstruct_test_func" \
215	    "Tracepoint \[0-9\]+ at .*" \
216	    "collect $msg: set tracepoint"
217    gdb_trace_setactions "collect $msg: define actions" \
218	    "" \
219	    "collect $myargs" "^$"
220
221    # Begin the test.
222    run_trace_experiment $msg argstruct_test_func
223
224    # struct argument as only argument
225    gdb_test "print argstruct.memberc" \
226	    "\\$\[0-9\]+ = 101 'e'$cr" \
227	    "collect $msg: collected arg struct member char"
228    gdb_test "print argstruct.memberi" \
229	    "\\$\[0-9\]+ = 102$cr" \
230	    "collect $msg: collected arg struct member int"
231    gdb_test "print argstruct.memberf" \
232	    "\\$\[0-9\]+ = 103.\[23\]\[0-9\]*$cr" \
233	    "collect $msg: collected arg struct member float"
234    gdb_test "print argstruct.memberd" \
235	    "\\$\[0-9\]+ = 104.\[34\]\[0-9\]*$cr" \
236	    "collect $msg: collected arg struct member double"
237
238    gdb_test "tfind none" \
239	    "#0  end .*" \
240	    "collect $msg: cease trace debugging"
241}
242
243
244proc gdb_collect_argarray_test { myargs msg } {
245    global cr
246    global gdb_prompt
247
248    prepare_for_trace_test
249
250    gdb_test "trace argarray_test_func" \
251	    "Tracepoint \[0-9\]+ at .*" \
252	    "collect $msg: set tracepoint"
253    gdb_trace_setactions "collect $msg: define actions" \
254	    "" \
255	    "collect $myargs" "^$"
256
257    # Begin the test.
258    run_trace_experiment $msg argarray_test_func
259
260    # array arg as only argument
261
262    # It isn't clear why is the test assuming the array's elements are
263    # collected.  In C, an array as function parameters is a special
264    # case; it's just a pointer into the caller's array, and as such,
265    # that's what normally the debug info describes.  Maybe this was
266    # originaly written for a compiler where array parameters were
267    # really described as arrays in debug info.
268
269    setup_xfail "*-*-*"
270    gdb_test "print argarray\[0\]" \
271	    "\\$\[0-9\]+ = 111$cr" \
272	    "collect $msg: collected argarray #0"
273
274    setup_xfail "*-*-*"
275    gdb_test "print argarray\[1\]" \
276	    "\\$\[0-9\]+ = 112$cr" \
277	    "collect $msg: collected argarray #1"
278
279    setup_xfail "*-*-*"
280    gdb_test "print argarray\[2\]" \
281	    "\\$\[0-9\]+ = 113$cr" \
282	    "collect $msg: collected argarray #2"
283
284    setup_xfail "*-*-*"
285    gdb_test "print argarray\[3\]" \
286	    "\\$\[0-9\]+ = 114$cr" \
287	    "collect $msg: collected argarray #3"
288
289    gdb_test "tfind none" \
290	    "#0  end .*" \
291	    "collect $msg: cease trace debugging"
292}
293
294
295proc gdb_collect_locals_test { func mylocs msg } {
296    global cr
297    global gdb_prompt
298
299    prepare_for_trace_test
300
301    # Find the comment-identified line for setting this tracepoint.
302    set testline 0
303    gdb_test_multiple "list $func, +30" "collect $msg: find tracepoint line" {
304	-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
305	    set testline $expect_out(1,string)
306	    pass "collect $msg: find tracepoint line"
307	}
308	-re ".*$gdb_prompt " {
309	    fail "collect $msg: find tracepoint line (skipping locals test)"
310	    return
311	}
312	timeout {
313	    fail "collect $msg: find tracepoint line (skipping locals test)"
314	    return
315	}
316    }
317
318    gdb_test "trace $testline" \
319	    "Tracepoint \[0-9\]+ at .*" \
320	    "collect $msg: set tracepoint"
321    gdb_trace_setactions "collect $msg: define actions" \
322	    "" \
323	    "collect $mylocs" "^$"
324
325    # Begin the test.
326    run_trace_experiment $msg $func
327
328    gdb_test "print locc" \
329	"\\$\[0-9\]+ = 11 '.\[a-z0-7\]+'$cr" \
330	    "collect $msg: collected local char"
331    gdb_test "print loci" \
332	    "\\$\[0-9\]+ = 12$cr" \
333	    "collect $msg: collected local int"
334    gdb_test "print locf" \
335	    "\\$\[0-9\]+ = 13.\[23\]\[0-9\]*$cr" \
336	    "collect $msg: collected local float"
337    gdb_test "print locd" \
338	    "\\$\[0-9\]+ = 14.\[34\]\[0-9\]*$cr" \
339	    "collect $msg: collected local double"
340
341    gdb_test "print locst.memberc" \
342	    "\\$\[0-9\]+ = 15 '.017'$cr" \
343	    "collect $msg: collected local member char"
344    gdb_test "print locst.memberi" \
345	    "\\$\[0-9\]+ = 16$cr" \
346	    "collect $msg: collected local member int"
347    gdb_test "print locst.memberf" \
348	    "\\$\[0-9\]+ = 17.\[67\]\[0-9\]*$cr" \
349	    "collect $msg: collected local member float"
350    gdb_test "print locst.memberd" \
351	    "\\$\[0-9\]+ = 18.\[78\]\[0-9\]*$cr" \
352	    "collect $msg: collected local member double"
353
354    gdb_test "print locar\[0\]" \
355	    "\\$\[0-9\]+ = 121$cr" \
356	    "collect $msg: collected locarray #0"
357    gdb_test "print locar\[1\]" \
358	    "\\$\[0-9\]+ = 122$cr" \
359	    "collect $msg: collected locarray #1"
360    gdb_test "print locar\[2\]" \
361	    "\\$\[0-9\]+ = 123$cr" \
362	    "collect $msg: collected locarray #2"
363    gdb_test "print locar\[3\]" \
364	    "\\$\[0-9\]+ = 124$cr" \
365	    "collect $msg: collected locarray #3"
366
367
368    gdb_test "tfind none" \
369	    "#0  end .*" \
370	    "collect $msg: cease trace debugging"
371}
372
373proc gdb_collect_registers_test { myregs } {
374    global cr
375    global gdb_prompt
376    global fpreg
377    global spreg
378    global pcreg
379
380    prepare_for_trace_test
381
382    # We'll simply re-use the args_test_function for this test
383    gdb_test "trace args_test_func" \
384	    "Tracepoint \[0-9\]+ at .*" \
385	    "collect $myregs: set tracepoint"
386    gdb_trace_setactions "collect $myregs: define actions" \
387	    "" \
388	    "collect $myregs" "^$"
389
390    # Begin the test.
391    run_trace_experiment $myregs args_test_func
392
393    test_register "\$$fpreg" $myregs
394    test_register "\$$spreg" $myregs
395    test_register "\$$pcreg" $myregs
396
397    gdb_test "tfind none" \
398	    "#0  end .*" \
399	    "collect $myregs: cease trace debugging"
400}
401
402proc gdb_collect_expression_test { func expr val msg } {
403    global cr
404    global gdb_prompt
405
406    prepare_for_trace_test
407
408    # Find the comment-identified line for setting this tracepoint.
409    set testline 0
410    gdb_test_multiple "list $func, +30" "collect $msg: find tracepoint line" {
411	-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
412	    set testline $expect_out(1,string)
413	    pass "collect $msg: find tracepoint line"
414	}
415	-re ".*$gdb_prompt " {
416	    fail "collect $msg: find tracepoint line (skipping locals test)"
417	    return
418	}
419	timeout {
420	    fail "collect $msg: find tracepoint line (skipping locals test)"
421	    return
422	}
423    }
424
425    gdb_test "trace $testline" \
426	    "Tracepoint \[0-9\]+ at .*" \
427	    "collect $msg: set tracepoint"
428    gdb_trace_setactions "collect $msg: define actions" \
429	    "" \
430	    "collect $expr" "^$"
431
432    # Begin the test.
433    run_trace_experiment $msg $func
434
435    gdb_test "print $expr" \
436	    "\\$\[0-9\]+ = $val$cr" \
437	    "collect $msg: got expected value '$val'"
438
439    gdb_test "tfind none" \
440	    "#0  end .*" \
441	    "collect $msg: cease trace debugging"
442}
443
444proc gdb_collect_globals_test { } {
445    global cr
446    global gdb_prompt
447
448    prepare_for_trace_test
449
450    # Find the comment-identified line for setting this tracepoint.
451    set testline 0
452    gdb_test_multiple "list globals_test_func, +30" "collect globals: find tracepoint line" {
453	-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
454	    set testline $expect_out(1,string)
455	    pass "collect globals: find tracepoint line"
456	}
457	-re ".*$gdb_prompt " {
458	    fail "collect globals: find tracepoint line (skipping global test)"
459	    return
460	}
461	timeout {
462	    fail "collect globals: find tracepoint line (skipping global test)"
463	    return
464	}
465    }
466
467    # Use use this to test collecting overlapping memory ranges
468    # (making use of UNOP_MEMVAL, as objects don't usually overlap
469    # other objects).  Note that globalarr2 should not be collected in
470    # any other way so that a regression test below can be effective.
471
472    set globalarr2_addr ""
473    set test "get address of globalarr2"
474    gdb_test_multiple "p /x &globalarr2" $test {
475	-re " = (0x\[0-9a-f\]+)\r\n$gdb_prompt $" {
476	    set globalarr2_addr $expect_out(1,string)
477	    pass $test
478	}
479    }
480
481    gdb_test "trace $testline" \
482	    "Tracepoint \[0-9\]+ at .*" \
483	    "collect globals: set tracepoint"
484    gdb_trace_setactions "collect globals: define actions" \
485	    "" \
486	    "collect globalc, globali, globalf, globald" "^$" \
487	    "collect globalstruct, globalp, globalarr" "^$" \
488	    "collect \{int \[4\]\}$globalarr2_addr" "^$" \
489	    "collect \{int \[2\]\}$globalarr2_addr" "^$" \
490	    "collect \{int \[4\]\}globalarr3" "^$"
491
492    # Begin the test.
493    run_trace_experiment "globals" globals_test_func
494
495    gdb_test "print globalc" \
496	    "\\$\[0-9\]+ = 71 'G'$cr" \
497	    "collect globals: collected global char"
498    gdb_test "print globali" \
499	    "\\$\[0-9\]+ = 72$cr" \
500	    "collect globals: collected global int"
501    gdb_test "print globalf" \
502	    "\\$\[0-9\]+ = 73.\[23\]\[0-9\]*$cr" \
503	    "collect globals: collected global float"
504    gdb_test "print globald" \
505	    "\\$\[0-9\]+ = 74.\[34\]\[0-9\]*$cr" \
506	    "collect globals: collected global double"
507
508    gdb_test "print globalstruct.memberc" \
509	    "\\$\[0-9\]+ = 81 'Q'$cr" \
510	    "collect globals: collected struct char member"
511    gdb_test "print globalstruct.memberi" \
512	    "\\$\[0-9\]+ = 82$cr" \
513	    "collect globals: collected struct member int"
514    gdb_test "print globalstruct.memberf" \
515	    "\\$\[0-9\]+ = 83.\[23\]\[0-9\]*$cr" \
516	    "collect globals: collected struct member float"
517    gdb_test "print globalstruct.memberd" \
518	    "\\$\[0-9\]+ = 84.\[34\]\[0-9\]*$cr" \
519	    "collect globals: collected struct member double"
520
521    gdb_test "print globalp == &globalstruct" \
522	    "\\$\[0-9\]+ = 1$cr" \
523	    "collect globals: collected global pointer"
524
525    gdb_test "print globalarr\[1\]" \
526	    "\\$\[0-9\]+ = 1$cr" \
527	    "collect globals: collected global array element #1"
528    gdb_test "print globalarr\[2\]" \
529	    "\\$\[0-9\]+ = 2$cr" \
530	    "collect globals: collected global array element #2"
531    gdb_test "print globalarr\[3\]" \
532	    "\\$\[0-9\]+ = 3$cr" \
533	    "collect globals: collected global array element #3"
534
535    # Check that we didn't mess up sort&merging memory ranges to
536    # collect.
537    gdb_test "print globalarr2" \
538	"\\$\[0-9\]+ = \\{0, 1, 2, 3\\}$cr" \
539	"collect globals: collected global array 2"
540
541    # GDB would internal error collecting UNOP_MEMVAL's whose address
542    # expression wasn't an rvalue (that's regtested in the
543    # corresponding 'collect' action above).  This just double checks
544    # we actually did collect what we wanted.
545    gdb_test "print globalarr3" \
546	"\\$\[0-9\]+ = \\{3, 2, 1, 0\\}$cr" \
547	"collect globals: collected global array 3"
548
549    gdb_test "tfind none" \
550	    "#0  end .*" \
551	    "collect globals: cease trace debugging"
552}
553
554# Test that when we've collected all fields of a structure
555# individually, we can print the whole structure in one go.
556proc gdb_collect_global_in_pieces_test { } {
557    global gdb_prompt
558
559    prepare_for_trace_test
560
561    # Find the comment-identified line for setting this tracepoint.
562    set testline 0
563    set msg "collect global in pieces: find tracepoint line"
564    gdb_test_multiple "list globals_test_func, +30" "$msg" {
565	-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
566	    set testline $expect_out(1,string)
567	    pass "$msg"
568	}
569    }
570
571    if {$testline == 0} {
572	return
573    }
574
575    gdb_test "trace $testline" \
576	"Tracepoint \[0-9\]+ at .*" \
577	"collect global in pieces: set tracepoint"
578    gdb_trace_setactions "collect global in pieces: define actions" \
579	    "" \
580	    "collect global_pieces.a, global_pieces.b" \
581	    "^$"
582
583    # Begin the test.
584    run_trace_experiment "global in pieces" globals_test_func
585
586    gdb_test "print /x global_pieces.a" " = 0x12345678" \
587	"collect global in pieces: print piece a"
588    gdb_test "print /x global_pieces.b" " = 0x87654321" \
589	"collect global in pieces: print piece b"
590
591    gdb_test "print /x global_pieces" " = \{a = 0x12345678, b = 0x87654321\}" \
592	"collect global in pieces: print whole object"
593
594    gdb_test "tfind none" "#0  end .*" \
595	"collect global in pieces: cease trace debugging"
596}
597
598proc gdb_collect_return_test { } {
599    global gdb_prompt
600
601    prepare_for_trace_test
602
603    # We'll simply re-use the args_test_function for this test
604    gdb_test "trace args_test_func" \
605	    "Tracepoint \[0-9\]+ at .*" \
606	    "collect \$_ret: set tracepoint"
607    gdb_trace_setactions "collect \$_ret: define actions" \
608	    "" \
609	    "collect \$_ret" "^$"
610
611    # Begin the test.
612    run_trace_experiment \$_ret args_test_func
613
614    # Since we can't guarantee that $_ret will give us the caller,
615    # pass either way, but giving different messages.
616    gdb_test_multiple "backtrace" "" {
617	-re ".*#1 .* in main .*\r\n$gdb_prompt $" {
618	    pass "collect \$_ret: backtrace lists main"
619	}
620	-re ".*#1 .* in ?? .*\r\n$gdb_prompt $" {
621	    pass "collect \$_ret: backtrace not listing main"
622	}
623    }
624
625    gdb_test "tfind none" \
626	    "#0  end .*" \
627	    "collect \$_ret: cease trace debugging"
628}
629
630proc gdb_collect_strings_test { func mystr myrslt mylim msg } {
631    global hex
632    global cr
633    global gdb_prompt
634
635    prepare_for_trace_test
636
637    # Find the comment-identified line for setting this tracepoint.
638    set testline 0
639    gdb_test_multiple "list $func, +30" "collect $msg: find tracepoint line" {
640	-re "\[\r\n\](\[0-9\]+)\[^\r\n\]+ Set_Tracepoint_Here .*$gdb_prompt" {
641	    set testline $expect_out(1,string)
642	    pass "collect $msg: find tracepoint line"
643	}
644	-re ".*$gdb_prompt " {
645	    fail "collect $msg: find tracepoint line (skipping strings test)"
646	    return
647	}
648	timeout {
649	    fail "collect $msg: find tracepoint line (skipping strings test)"
650	    return
651	}
652    }
653
654    gdb_test "trace $testline" \
655	    "Tracepoint \[0-9\]+ at .*" \
656	    "collect $msg: set tracepoint"
657    gdb_trace_setactions "collect $msg: define actions" \
658	    "" \
659	    "collect/s$mylim $mystr" "^$"
660
661    # Begin the test.
662    run_trace_experiment $msg $func
663
664    gdb_test "print $mystr" \
665	"\\$\[0-9\]+ = $hex \"$myrslt\".*$cr" \
666	    "collect $msg: collected local string"
667
668    gdb_test "tfind none" \
669	    "#0  end .*" \
670	    "collect $msg: cease trace debugging"
671}
672
673proc gdb_trace_collection_test {} {
674    global fpreg
675    global spreg
676    global pcreg
677
678    gdb_collect_args_test "\$args" \
679	    "args collectively"
680    gdb_collect_args_test "argc, argi, argf, argd, argstruct, argarray" \
681	    "args individually"
682    gdb_collect_argstruct_test "\$args" \
683	    "argstruct collectively"
684    gdb_collect_argstruct_test "argstruct" \
685	    "argstruct individually"
686    gdb_collect_argarray_test "\$args" \
687	    "argarray collectively"
688    gdb_collect_argarray_test "argarray" \
689	    "argarray individually"
690    gdb_collect_locals_test local_test_func "\$locals" \
691	    "auto locals collectively"
692    gdb_collect_locals_test local_test_func \
693	    "locc, loci, locf, locd, locst, locar" \
694	    "auto locals individually"
695    gdb_collect_locals_test reglocal_test_func "\$locals" \
696	    "register locals collectively"
697    gdb_collect_locals_test reglocal_test_func \
698	    "locc, loci, locf, locd, locst, locar" \
699	    "register locals individually"
700    gdb_collect_locals_test statlocal_test_func "\$locals" \
701	    "static locals collectively"
702    gdb_collect_locals_test statlocal_test_func \
703	    "locc, loci, locf, locd, locst, locar" \
704	    "static locals individually"
705    gdb_collect_registers_test "\$regs"
706    gdb_collect_registers_test "\$$fpreg, \$$spreg, \$$pcreg"
707    gdb_collect_globals_test
708    gdb_collect_global_in_pieces_test
709
710    #
711    # Expression tests:
712    #
713    # *x	(**x, ...)
714    # x.y	(x.y.z, ...)
715    # x->y	(x->y->z, ...)
716    # x[2]	(x[2][3], ...) (const index)
717    # x[y]	(x[y][z], ...) (index to be char, short, long, float, double)
718    #  NOTE:
719    #  We test the following operators by using them in an array index
720    #  expression -- because the naked result of an operator is not really
721    #  collected.  To be sure the operator was evaluated correctly on the
722    #  target, we have to actually use the result eg. in an array offset
723    #  calculation.
724    # x[y +  z] (tests addition: y and z various combos of types, sclasses)
725    # x[y -  z] (tests subtraction) (ditto)
726    # x[y *  z] (tests multiplication) (ditto)
727    # x[y /  z] (tests division) (ditto)
728    # x[y %  z] (tests modulo division) (ditto)
729    # x[y == z] (tests equality relation) (ditto)              UNSUPPORTED
730    # x[y != z] (tests inequality relation) (ditto)            UNSUPPORTED
731    # x[y >  z] (tests greater-than relation) (ditto)          UNSUPPORTED
732    # x[y <  z] (tests less-than relation) (ditto)             UNSUPPORTED
733    # x[y >= z] (tests greater-than-or-equal relation) (ditto) UNSUPPORTED
734    # x[y <= z] (tests less-than-or-equal relation) (ditto)    UNSUPPORTED
735    # x[y && z] (tests logical and) (ditto)                    UNSUPPORTED
736    # x[y || z] (tests logical or) (ditto)                     UNSUPPORTED
737    # x[y &  z] (tests binary and) (ditto)                     UNSUPPORTED
738    # x[y |  z] (tests binary or) (ditto)                      UNSUPPORTED
739    # x[y ^  z] (tests binary xor) (ditto)                     UNSUPPORTED
740    # x[y ? z1 : z2] (tests ternary operator) (ditto)          UNSUPPORTED
741    # x[y << z] (tests shift-left) (ditto)                     UNSUPPORTED
742    # x[y >> z] (tests shift-right) (ditto)                    UNSUPPORTED
743    # x[y =  z] (tests assignment operator) (ditto)            UNSUPPORTED
744    # x[++y]    (tests pre-increment operator) (ditto)         UNSUPPORTED
745    # x[--y]    (tests pre-decrement operator) (ditto)         UNSUPPORTED
746    # x[y++]    (tests post-increment operator) (ditto)        UNSUPPORTED
747    # x[y--]    (tests post-decrement operator) (ditto)        UNSUPPORTED
748    # x[+y]     (tests unary plus) (ditto)
749    # x[-y]     (tests unary minus) (ditto)
750    # x[!y]     (tests logical not) (ditto)                    UNSUPPORTED
751    # x[~y]     (tests binary not) (ditto)                     UNSUPPORTED
752    # x[(y, z)] (tests comma expression) (ditto)
753    # cast expr
754    # stack data
755
756    gdb_collect_expression_test globals_test_func \
757	    "globalstruct.memberi"  "82"     "a.b"
758    gdb_collect_expression_test globals_test_func \
759	    "globalp->memberc"      "81 'Q'" "a->b"
760    gdb_collect_expression_test globals_test_func \
761	    "globalarr\[2\]"        "2"      "a\[2\]"
762    gdb_collect_expression_test globals_test_func \
763	    "globalarr\[l3\]"       "3"      "a\[b\]"
764    gdb_collect_expression_test globals_test_func \
765	    "globalarr\[l3 + l2\]"  "5"      "a\[b + c\]"
766    gdb_collect_expression_test globals_test_func \
767	    "globalarr\[l3 - l2\]"  "1"      "a\[b - c\]"
768    gdb_collect_expression_test globals_test_func \
769	    "globalarr\[l3 * l2\]"  "6"      "a\[b * c\]"
770    gdb_collect_expression_test globals_test_func \
771	    "globalarr\[l6 / l3\]"  "2"      "a\[b / c\]"
772    gdb_collect_expression_test globals_test_func \
773	    "globalarr\[l7 % l3\]"  "1"      "a\[b % c\]"
774    gdb_collect_expression_test globals_test_func \
775	    "globalarr\[+l1\]"      "1"      "a\[+b\]"
776    gdb_collect_expression_test globals_test_func \
777	    "globalarr\[-lminus\]"  "2"      "a\[-b\]"
778    gdb_collect_expression_test globals_test_func \
779	    "globalarr\[\(l6, l7\)\]" "7"    "a\[\(b, c\)\]"
780
781    gdb_collect_return_test
782
783    gdb_collect_strings_test strings_test_func "locstr" "abcdef" "" \
784	    "local string"
785
786    gdb_collect_strings_test strings_test_func "longloc" "how now brown c" 15 \
787	    "long local string"
788
789}
790
791runto_main
792
793if { ![gdb_target_supports_trace] } then {
794    unsupported "Current target does not support trace"
795    return 1
796}
797
798# Body of test encased in a proc so we can return prematurely.
799gdb_trace_collection_test
800
801# Finished!
802gdb_test "tfind none" ".*" ""
803