1 # Copyright 1998-2018 Free Software Foundation, Inc.
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.
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.
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/>.
16 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
18 # this file tests maintenance commands and help on those.
20 # source file used is break.c
23 #maintenance check-psymtabs -- Check consistency of psymtabs vs symtabs
24 #maintenance check-symtabs -- Check consistency of symtabs
25 #maintenance expand-symtabs -- Expand symtabs matching a file regexp
26 #maintenance set -- Set GDB internal variables used by the GDB maintainer
27 #maintenance show -- Show GDB internal variables used by the GDB maintainer
28 #maintenance dump-me -- Get fatal error; make debugger dump its core
29 #maintenance print -- Maintenance command for printing GDB internal state
30 #maintenance info -- Commands for showing internal info about the program being debugged
31 #maintenance internal-error -- Give GDB an internal error.
33 #maintenance print dummy-frames -- Print the dummy frame stack
34 #maintenance print statistics -- Print statistics about internal gdb state
35 #maintenance print objfiles -- Print dump of current object file definitions
36 #maintenance print psymbols -- Print dump of current partial symbol definitions
37 #maintenance print msymbols -- Print dump of current minimal symbol definitions
38 #maintenance print symbols -- Print dump of current symbol definitions
39 #maintenance print type -- Print a type chain for a given symbol
40 #maintenance print unwind -- Print unwind table entry at given address
43 #maintenance info sections -- List the BFD sections of the exec and core files
44 #maintenance info breakpoints -- Status of all breakpoints
49 standard_testfile break.c break1.c
51 if {[prepare_for_testing "failed to prepare" $testfile \
52 [list $srcfile $srcfile2] {debug nowarnings}]} {
56 # The commands we test here produce many lines of output; disable "press
57 # <return> to continue" prompts.
58 gdb_test_no_output "set height 0"
60 # Tests that require that no program is running
62 gdb_file_cmd ${binfile}
64 # Test for a regression where this command would internal-error if the
65 # program wasn't running. If there's a lot of registers then this
66 # might overflow expect's buffers, so process the output line at a
70 set test "maint print registers"
71 gdb_test_multiple $test $test {
72 -re "\[^\r\n\]+Name\[^\r\n\]+Nr\[^\r\n\]+Rel\[^\r\n\]+Offset\[^\r\n\]+Size\[^\r\n\]+Type\[^\r\n\]+\[\r\n\]+" {
76 -re "^\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[0-9\]+\[^\r\n\]+\[\r\n\]+" {
80 -re "^\\*\[0-9\]+\[^\r\n\]+\[\r\n\]+" {
84 gdb_assert { $saw_registers && $saw_headers } $test
88 # Test "mt expand-symtabs" here as it's easier to verify before we
90 gdb_test_no_output "mt set per on" "mt set per on for expand-symtabs"
91 gdb_test_multiple "mt expand-symtabs $subdir/break\[.\]c$" \
93 -re "#compunits: (1|2) \\(\[+\](0|1|2)\\),.*$gdb_prompt $" {
94 # This should expand at most two primary symtabs.
95 # "Normally" it will not expand any, because the symtab
96 # holding "main" will already have been expanded, but if the
97 # file is compiled with -fdebug-types-section then a second primary
98 # symtab for break.c will be created for any types.
99 pass "mt expand-symtabs"
102 gdb_test "mt set per off" ".*" "mt set per off for expand-symtabs"
104 # Tests that can or should be done with a running program
108 if ![runto_main] then {
109 perror "tests suppressed"
112 # If we're using .gdb_index or .debug_names there will be no psymtabs.
114 gdb_test_multiple "maint info sections .gdb_index .debug_names" "check for .gdb_index" {
115 -re ": \\.gdb_index .*\r\n$gdb_prompt $" {
118 -re ": \\.debug_names .*\r\n$gdb_prompt $" {
121 -re ".*$gdb_prompt $" {
122 ;# Nothing to do, present to avoid a FAIL.
126 # There also won't be any psymtabs if we read the index from the index cache.
127 # We can detect this by looking if the index-cache is enabled and if the number
128 # of cache misses is 0.
129 set index_cache_misses -1
130 gdb_test_multiple "show index-cache stats" "check index cache stats" {
131 -re ".*Cache misses \\(this session\\): (\\d+)\r\n.*$gdb_prompt $" {
132 set index_cache_misses $expect_out(1,string)
136 set using_index_cache 0
137 gdb_test_multiple "show index-cache" "check index cache status" {
138 -re ".*is currently disabled.\r\n$gdb_prompt $" {
139 set using_index_cache 0
141 -re ".*is currently enabled.\r\n$gdb_prompt $" {
142 set using_index_cache 1
146 if { $index_cache_misses == 0 && $using_index_cache } {
151 # this command does not produce any output
152 # unless there is some problem with the symtabs and psymtabs
153 # so that branch will really never be covered in this tests here!!
156 # guo: on linux this command output is huge. for some reason splitting up
157 # the regexp checks works.
159 send_gdb "maint check-psymtabs\n"
161 -re "^maint check-psymtabs" {
163 -re "$gdb_prompt $" {
164 pass "maint check-psymtabs"
166 timeout { fail "(timeout) maint check-psymtabs" }
169 -re ".*$gdb_prompt $" { fail "maint check-psymtabs" }
170 timeout { fail "(timeout) maint check-psymtabs" }
173 # This command does not produce any output unless there is some problem
174 # with the symtabs, so that branch will really never be covered in the
176 gdb_test_no_output "maint check-symtabs"
178 # Test per-command stats.
179 gdb_test_no_output "maint set per-command on"
181 "Command execution time: \[0-9.\]+ \\(cpu\\), \[0-9.\]+ \\(wall\\)\[\r\n\]+Space used: $decimal \\(\\+$decimal for this command\\)\[\r\n\]+#symtabs: $decimal \\(\\+$decimal\\), #compunits: $decimal \\(\\+$decimal\\), #blocks: $decimal \\(\\+$decimal\\)"
182 gdb_test_no_output "maint set per-command off"
184 # The timeout value is raised, because printing all the symbols and
185 # statistical information about Cygwin and Windows libraries takes a lot
187 if [istarget "*-*-cygwin*"] {
188 set oldtimeout $timeout
189 set timeout [expr $timeout + 500]
192 send_gdb "maint print statistics\n"
194 -re "Statistics for\[^\n\r\]*maint\[^\n\r\]*:\r\n Number of \"minimal\" symbols read: $decimal\r\n( Number of \"partial\" symbols read: $decimal\r\n)? Number of \"full\" symbols read: $decimal\r\n Number of \"types\" defined: $decimal\r\n( Number of psym tables \\(not yet expanded\\): $decimal\r\n)?( Number of read CUs: $decimal\r\n Number of unread CUs: $decimal\r\n)? Number of symbol tables: $decimal\r\n Number of symbol tables with line tables: $decimal\r\n Number of symbol tables with blockvectors: $decimal\r\n Total memory used for objfile obstack: $decimal\r\n Total memory used for BFD obstack: $decimal\r\n Total memory used for psymbol cache: $decimal\r\n Total memory used for macro cache: $decimal\r\n Total memory used for file name cache: $decimal\r\n" {
196 -re "$gdb_prompt $" {
197 pass "maint print statistics"
199 timeout { fail "(timeout) maint print statistics" }
202 -re ".*$gdb_prompt $" { fail "maint print statistics" }
203 timeout { fail "(timeout) maint print statistics" }
206 # There aren't any ...
207 gdb_test_no_output "maint print dummy-frames"
209 send_gdb "maint print objfiles\n"
211 # To avoid timeouts, we avoid expects with many .* patterns that match
212 # many lines. Instead, we keep track of which milestones we've seen
213 # in the output, and stop when we've seen all of them.
220 while {$keep_looking} {
224 set output $expect_out(buffer)
225 if {[regexp ".*Object file.*maint($EXEEXT)?: Objfile at ${hex}" $output]} {
228 if {[regexp ".*Psymtabs:\[\r\t \]+\n" $output]} {
231 if {[regexp ".*Symtabs:\[\r\t \]+\n" $output]} {
236 -re ".*$gdb_prompt $" {
240 fail "(timeout) maint print objfiles"
246 proc maint_pass_if {val name} {
247 if $val { pass $name } else { fail $name }
250 maint_pass_if $header "maint print objfiles: header"
251 if { ! $have_gdb_index } {
252 maint_pass_if $psymtabs "maint print objfiles: psymtabs"
254 maint_pass_if $symtabs "maint print objfiles: symtabs"
256 if { ! $have_gdb_index } {
257 set psymbols_output [standard_output_file psymbols_output]
258 set psymbols_output_re [string_to_regexp $psymbols_output]
259 set test_list [list \
260 "maint print psymbols -source" \
261 "maint print psymbols -source ${srcdir}/${subdir}/${srcfile} $psymbols_output" \
262 "maint print psymbols -pc" \
263 "maint print psymbols -pc main $psymbols_output"]
264 foreach { test_name command } $test_list {
265 send_gdb "$command\n"
267 -re "^maint print psymbols \[^\n\]*\r\n$gdb_prompt $" {
268 send_gdb "shell ls $psymbols_output\n"
270 -re "$psymbols_output_re\r\n$gdb_prompt $" {
271 # We want this grep to be as specific as possible,
272 # so it's less likely to match symbol file names in
273 # psymbols_output. Yes, this actually happened;
274 # poor expect got tons of output, and timed out
275 # trying to match it. --- Jim Blandy <jimb@cygnus.com>
276 send_gdb "shell grep 'main.*function' $psymbols_output\n"
278 -re ".main., function, $hex.*$gdb_prompt $" {
281 -re ".*main. .., function, $hex.*$gdb_prompt $" {
284 -re ".*$gdb_prompt $" { fail "$test_name" }
285 timeout { fail "$test_name (timeout)" }
287 gdb_test "shell rm -f $psymbols_output" ".*" \
288 "${test_name}: shell rm -f psymbols_output"
290 -re ".*$gdb_prompt $" { fail "$test_name" }
291 timeout { fail "$test_name (timeout)" }
294 -re ".*$gdb_prompt $" { fail "$test_name" }
295 timeout { fail "$test_name (timeout)" }
301 set msymbols_output [standard_output_file msymbols_output]
302 set msymbols_output_re [string_to_regexp $msymbols_output]
303 send_gdb "maint print msymbols -objfile ${binfile} $msymbols_output\n"
305 -re "^maint print msymbols \[^\n\]*\r\n$gdb_prompt $" {
306 send_gdb "shell ls $msymbols_output\n"
308 -re "$msymbols_output_re\r\n$gdb_prompt $" {
309 gdb_test "shell grep factorial $msymbols_output" \
310 "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*" \
311 "maint print msymbols, absolute pathname"
312 gdb_test "shell rm -f $msymbols_output" ".*" \
313 "shell rm -f msymbols_output"
315 -re ".*$gdb_prompt $" { fail "maint print msymbols" }
316 timeout { fail "maint print msymbols (timeout)" }
319 -re ".*$gdb_prompt $" { fail "maint print msymbols" }
320 timeout { fail "maint print msymbols (timeout)" }
323 # Check that maint print msymbols allows relative pathnames
325 gdb_test "cd [standard_output_file {}]" \
326 "Working directory .*\..*" \
329 gdb_test_multiple "maint print msymbols -objfile ${testfile} msymbols_output2" "maint print msymbols" {
330 -re "^maint print msymbols \[^\n\]*\r\n$gdb_prompt $" {
331 gdb_test_multiple "shell ls msymbols_output2" "maint print msymbols" {
332 -re "msymbols_output2\r\n$gdb_prompt $" {
333 gdb_test "shell grep factorial msymbols_output2" \
334 "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*" \
335 "maint print msymbols, relative pathname"
336 gdb_test "shell rm -f msymbols_output2" ".*"
341 gdb_test "cd ${mydir}" \
342 "Working directory [string_to_regexp ${mydir}]\..*" \
346 # Request symbols for one particular source file so that we don't try to
347 # dump the symbol information for the entire C library - over 500MB nowadays
350 set symbols_output [standard_output_file symbols_output]
351 set symbols_output_re [string_to_regexp $symbols_output]
352 set test_list [list \
353 "maint print symbols -source" \
354 "maint print symbols -source ${srcdir}/${subdir}/${srcfile} $symbols_output" \
355 "maint print symbols -pc" \
356 "maint print symbols -pc main $symbols_output"]
357 foreach { test_name command } $test_list {
358 send_gdb "$command\n"
360 -re "^maint print symbols \[^\n\]*\r\n$gdb_prompt $" {
361 send_gdb "shell ls $symbols_output\n"
363 -re "$symbols_output_re\r\n$gdb_prompt $" {
364 # See comments for `maint print psymbols'.
365 send_gdb "shell grep 'main(.*block' $symbols_output\n"
367 -re "int main\\(int, char \\*\\*, char \\*\\*\\); block.*$gdb_prompt $" {
370 -re ".*$gdb_prompt $" { fail "$test_name" }
371 timeout { fail "$test_name (timeout)" }
373 gdb_test "shell rm -f $symbols_output" ".*" \
374 "$test_name: shell rm -f symbols_output"
376 -re ".*$gdb_prompt $" { fail "$test_name" }
377 timeout { fail "$test_name (timeout)" }
380 -re ".*$gdb_prompt $" { fail "$test_name" }
381 timeout { fail "$test_name (timeout)" }
385 set msg "maint print type"
386 gdb_test_multiple "maint print type argc" $msg {
387 -re "type node $hex\r\nname .int. \\($hex\\)\r\ncode $hex \\(TYPE_CODE_INT\\)\r\nlength \[24\]\r\nobjfile $hex\r\ntarget_type $hex\r\npointer_type $hex\r\nreference_type $hex\r\ntype_chain $hex\r\ninstance_flags $hex\r\nflags\r\nnfields 0 $hex\r\n$gdb_prompt $" {
392 if [istarget "hppa*-*-11*"] {
393 setup_xfail hppa*-*-*11* CLLbs14860
394 gdb_test_multiple "maint print unwind &main" "maint print unwind" {
395 -re ".*unwind_table_entry \\($hex\\):\r\n\tregion_start = $hex <main>\r\n\tregion_end = $hex <main\\+\[0-9\]*>\r\n\tflags = Args_stored Save_RP\r\n\tRegion_description = $hex\r\n\tEntry_FR = $hex\r\n\tEntry_GR = $hex\r\n\tTotal_frame_size = $hex\r\n$gdb_prompt $" {
396 pass "maint print unwind"
398 -re ".*unwind_table_entry \\($hex\\):\r\n\tregion_start = $hex <main>\r\n\tregion_end = $hex <main\\+\[0-9\]*>\r\n\tflags = Args_stored Save_RP\r\n\tFLD = $hex\r\n\tFLD = $hex\r\n\tFLD = $hex\r\n\tFLD = $hex\r\n$gdb_prompt $" {
399 xfail "maint print unwind"
404 set oldtimeout $timeout
405 set timeout [expr $timeout + 300]
407 # It'd be nice to check for every possible section. However, that's
408 # problematic, since the relative ordering wanders from release to
409 # release of the compilers. Instead, we'll just check for two
410 # sections which appear to always come out in the same relative
411 # order. (If that changes, then we should just check for one
414 # And by the way: This testpoint will break for PA64, where a.out's
417 # Standard GNU names.
418 set text_section ".text"
419 set data_section ".data"
421 gdb_test_multiple "maint info sections" "maint info sections" {
422 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*ER_RO.*$gdb_prompt $" {
423 # Looks like RealView which uses different section names.
424 set text_section ER_RO
425 set data_section ER_RW
426 pass "maint info sections"
428 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*neardata.*$gdb_prompt $" {
429 # c6x doesn't have .data section. It has .neardata and .fardata section.
430 set data_section ".neardata"
431 pass "maint info sections"
433 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*$gdb_prompt $" {
434 pass "maint info sections"
438 # Test for new option: maint info sections <section name>
439 # If you don't have a .text section, this will require tweaking.
441 gdb_test_multiple "maint info sections $text_section" \
442 "maint info sections .text" {
443 -re ".* \\.bss .*$gdb_prompt $" {
444 fail "maint info sections .text"
446 -re ".* $data_section .*$gdb_prompt $" {
447 fail "maint info sections .text"
449 -re ".* $text_section .*$gdb_prompt $" {
450 pass "maint info sections .text"
454 # Test for new option: CODE section flag
455 # If your data section is tagged CODE, xfail this test.
457 gdb_test_multiple "maint info sections CODE" "maint info sections CODE" {
458 -re ".* $data_section .*$gdb_prompt $" { fail "maint info sections CODE" }
459 -re ".* $text_section .*$gdb_prompt $" { pass "maint info sections CODE" }
462 # Test for new option: DATA section flag
463 # If your text section is tagged DATA, xfail this test.
465 # The "maint info sections DATA" test is marked for XFAIL on Windows,
466 # because Windows has text sections marked DATA.
467 setup_xfail "*-*-*cygwin*"
468 setup_xfail "*-*-*mingw*"
470 gdb_test_multiple "maint info sections DATA" "maint info sections DATA" {
471 -re ".* $text_section .*$gdb_prompt $" { fail "maint info sections DATA" }
472 -re ".* $data_section .*$gdb_prompt $" { pass "maint info sections DATA" }
473 -re ".* .rodata .*$gdb_prompt $" { pass "maint info sections DATA" }
476 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
478 gdb_test_multiple "maint info breakpoints" "maint info breakpoints" {
479 -re "Num\[ \t\]+Type\[ \t\]+Disp\[ \t\]+Enb\[ \t\]+Address\[ \t\]+What\r\n1\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+$hex\[ \t\]+in main at.*break.c:$bp_location6 inf 1\r\n\[ \t\]+breakpoint already hit 1 time\r\n.*$gdb_prompt $" {
480 pass "maint info breakpoints"
482 -re "Num\[ \t\]+Type\[ \t\]+Disp\[ \t\]+Enb\[ \t\]+Address\[ \t\]+What\r\n1\[ \t\]+breakpoint\[ \t\]+keep\[ \t\]+y\[ \t\]+$hex in main at.*break.c:$bp_location6 sspace 1\r\n\[ \t\]+breakpoint already hit 1 time\r\n-1\[ \t\]+shlib events\[ \t\]+keep\[ \t\]+y\[ \t\]+$hex.*breakpoint already hit.*$gdb_prompt $" {
483 pass "maint info breakpoints (with shlib events)"
487 gdb_test "maint print" \
488 "\"maintenance print\" must be followed by the name of a print command\\.\r\nList.*unambiguous\\..*" \
489 "maint print w/o args"
491 gdb_test "maint info" \
492 "\"maintenance info\" must be followed by the name of an info command\\.\r\nList.*unambiguous\\..*" \
493 "maint info w/o args"
496 "\"maintenance\" must be followed by the name of a maintenance command\\.\r\nList.*unambiguous\\..*" \
499 # Test that "main info line-table" w/o a file name shows the symtab for
502 set test "maint info line-table w/o a file name"
503 gdb_test_multiple "maint info line-table" $test {
504 -re "symtab: \[^\n\r\]+${srcfile} \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS" {
508 -re "symtab: \[^\n\r\]+ \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS" {
509 # Match each symtab to avoid overflowing expect's buffer.
512 -re "$decimal\[ \t\]+$decimal\[ \t\]+$hex\r\n" {
513 # Line table entries can be long too:
516 # 0 29 0x00000000004006f6
517 # 1 30 0x00000000004006fa
518 # 2 31 0x0000000000400704
519 # 3 42 0x0000000000400706
520 # 4 43 0x0000000000400719
521 # 5 44 0x0000000000400722
522 # 6 45 0x0000000000400740
524 # 454 129 0x00007ffff7df1d28
525 # 455 0 0x00007ffff7df1d3f
527 # Match each line to avoid overflowing expect's buffer.
530 -re "$gdb_prompt $" {
531 gdb_assert $saw_srcfile $test
535 gdb_test "maint info line-table ${srcfile}" \
536 "symtab: \[^\n\r\]+${srcfile}.*INDEX.*LINE.*ADDRESS.*" \
537 "maint info line-table with filename of current symtab"
539 gdb_test_no_output "maint info line-table ${srcfile2}" \
540 "maint info line-table with filename of symtab that is not currently expanded"
542 gdb_test_no_output "maint expand-symtabs"
544 gdb_test "maint info line-table ${srcfile2}" \
545 "symtab: \[^\n\r\]+${srcfile2}.*INDEX.*LINE.*ADDRESS.*" \
546 "maint info line-table with filename of symtab that is not current"
548 gdb_test_no_output "maint info line-table xxx.c" \
549 "maint info line-table with invalid filename"
551 set timeout $oldtimeout
553 # Just check that the DWARF unwinders control flag is visible.
554 gdb_test "maint show dwarf unwinders" \
555 "The DWARF stack unwinders are currently (on|off)\\."
557 #============test help on maint commands
559 test_prefix_command_help {"maint info" "maintenance info"} {
560 "Commands for showing internal info about the program being debugged\\.\[\r\n\]+"
563 test_prefix_command_help {"maint print" "maintenance print"} {
564 "Maintenance command for printing GDB internal state\\.\[\r\n\]+"
567 test_prefix_command_help {"maint" "maintenance"} {
568 "Commands for use by GDB maintainers\\.\[\r\n\]+"
569 "Includes commands to dump specific internal GDB structures in\[\r\n\]+"
570 "a human readable form, to cause GDB to deliberately dump core, etc\\.\[\r\n\]+"
573 #set oldtimeout $timeout
574 #set timeout [expr $timeout + 300]
576 gdb_test_multiple "maint dump-me" "maint dump-me" {
577 -re "Should GDB dump core.*\\(y or n\\) $" {
578 gdb_test "n" ".*" "maint dump-me"
580 -re "Undefined maintenance command: .*$gdb_prompt $" {
581 # Command 'maint dump-me' is registered on non-win32 host.
582 unsupported "maint dump-me"
586 send_gdb "maint internal-error\n"
588 -re "A problem internal to GDB has been detected" {
589 pass "maint internal-error"
590 if [gdb_internal_error_resync] {
591 pass "internal-error resync"
593 fail "internal-error resync"
596 -re ".*$gdb_prompt $" {
597 fail "maint internal-error"
598 untested "internal-error resync"
601 fail "maint internal-error (timeout)"
602 untested "internal-error resync"
606 #set timeout $oldtimeout
608 # Test that the commands work without an argument. For this test, we
609 # don't need an inferior loaded/running. See PR gdb/21164.
612 gdb_test_no_output "maint print symbols"
613 gdb_test_no_output "maint print msymbols"
614 gdb_test_no_output "maint print psymbols"