1 # Copyright 1998-2017 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.
66 gdb_test "maint print registers" "Name.*Nr.*Rel.*Offset.*Size.*Type.*"
68 # Test "mt expand-symtabs" here as it's easier to verify before we
70 gdb_test_no_output "mt set per on" "mt set per on for expand-symtabs"
71 gdb_test_multiple "mt expand-symtabs $subdir/break\[.\]c$" \
73 -re "#compunits: (1|2) \\(\[+\](0|1|2)\\),.*$gdb_prompt $" {
74 # This should expand at most two primary symtabs.
75 # "Normally" it will not expand any, because the symtab
76 # holding "main" will already have been expanded, but if the
77 # file is compiled with -fdebug-types-section then a second primary
78 # symtab for break.c will be created for any types.
79 pass "mt expand-symtabs"
82 gdb_test "mt set per off" ".*" "mt set per off for expand-symtabs"
84 # Tests that can or should be done with a running program
88 if ![runto_main] then {
89 perror "tests suppressed"
92 # If we're using .gdb_index there will be no psymtabs.
94 gdb_test_multiple "maint info sections .gdb_index" "check for .gdb_index" {
95 -re ": .gdb_index.*$gdb_prompt $" {
98 -re ".*$gdb_prompt $" {
99 ;# Nothing to do, present to avoid a FAIL.
104 # this command does not produce any output
105 # unless there is some problem with the symtabs and psymtabs
106 # so that branch will really never be covered in this tests here!!
109 # guo: on linux this command output is huge. for some reason splitting up
110 # the regexp checks works.
112 send_gdb "maint check-psymtabs\n"
114 -re "^maint check-psymtabs" {
116 -re "$gdb_prompt $" {
117 pass "maint check-psymtabs"
119 timeout { fail "(timeout) maint check-psymtabs" }
122 -re ".*$gdb_prompt $" { fail "maint check-psymtabs" }
123 timeout { fail "(timeout) maint check-psymtabs" }
126 # This command does not produce any output unless there is some problem
127 # with the symtabs, so that branch will really never be covered in the
129 gdb_test_no_output "maint check-symtabs"
131 # Test per-command stats.
132 gdb_test_no_output "maint set per-command on"
134 "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\\)"
135 gdb_test_no_output "maint set per-command off"
137 # The timeout value is raised, because printing all the symbols and
138 # statistical information about Cygwin and Windows libraries takes a lot
140 if [istarget "*-*-cygwin*"] {
141 set oldtimeout $timeout
142 set timeout [expr $timeout + 500]
145 send_gdb "maint print statistics\n"
147 -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: $decimal\r\n" {
149 -re "$gdb_prompt $" {
150 pass "maint print statistics"
152 timeout { fail "(timeout) maint print statistics" }
155 -re ".*$gdb_prompt $" { fail "maint print statistics" }
156 timeout { fail "(timeout) maint print statistics" }
159 # There aren't any ...
160 gdb_test_no_output "maint print dummy-frames"
162 send_gdb "maint print objfiles\n"
164 # To avoid timeouts, we avoid expects with many .* patterns that match
165 # many lines. Instead, we keep track of which milestones we've seen
166 # in the output, and stop when we've seen all of them.
173 while {$keep_looking} {
177 set output $expect_out(buffer)
178 if {[regexp ".*Object file.*maint($EXEEXT)?: Objfile at ${hex}" $output]} {
181 if {[regexp ".*Psymtabs:\[\r\t \]+\n" $output]} {
184 if {[regexp ".*Symtabs:\[\r\t \]+\n" $output]} {
189 -re ".*$gdb_prompt $" {
193 fail "(timeout) maint print objfiles"
199 proc maint_pass_if {val name} {
200 if $val { pass $name } else { fail $name }
203 maint_pass_if $header "maint print objfiles: header"
204 if { ! $have_gdb_index } {
205 maint_pass_if $psymtabs "maint print objfiles: psymtabs"
207 maint_pass_if $symtabs "maint print objfiles: symtabs"
209 if { ! $have_gdb_index } {
210 set psymbols_output [standard_output_file psymbols_output]
211 set psymbols_output_re [string_to_regexp $psymbols_output]
212 set test_list [list \
213 "maint print psymbols -source" \
214 "maint print psymbols -source ${srcdir}/${subdir}/${srcfile} $psymbols_output" \
215 "maint print psymbols -pc" \
216 "maint print psymbols -pc main $psymbols_output"]
217 foreach { test_name command } $test_list {
218 send_gdb "$command\n"
220 -re "^maint print psymbols \[^\n\]*\r\n$gdb_prompt $" {
221 send_gdb "shell ls $psymbols_output\n"
223 -re "$psymbols_output_re\r\n$gdb_prompt $" {
224 # We want this grep to be as specific as possible,
225 # so it's less likely to match symbol file names in
226 # psymbols_output. Yes, this actually happened;
227 # poor expect got tons of output, and timed out
228 # trying to match it. --- Jim Blandy <jimb@cygnus.com>
229 send_gdb "shell grep 'main.*function' $psymbols_output\n"
231 -re ".main., function, $hex.*$gdb_prompt $" {
234 -re ".*main. .., function, $hex.*$gdb_prompt $" {
237 -re ".*$gdb_prompt $" { fail "$test_name" }
238 timeout { fail "$test_name (timeout)" }
240 gdb_test "shell rm -f $psymbols_output" ".*" \
241 "shell rm -f psymbols_output"
243 -re ".*$gdb_prompt $" { fail "$test_name" }
244 timeout { fail "$test_name (timeout)" }
247 -re ".*$gdb_prompt $" { fail "$test_name" }
248 timeout { fail "$test_name (timeout)" }
254 set msymbols_output [standard_output_file msymbols_output]
255 set msymbols_output_re [string_to_regexp $msymbols_output]
256 send_gdb "maint print msymbols -objfile ${binfile} $msymbols_output\n"
258 -re "^maint print msymbols \[^\n\]*\r\n$gdb_prompt $" {
259 send_gdb "shell ls $msymbols_output\n"
261 -re "$msymbols_output_re\r\n$gdb_prompt $" {
262 send_gdb "shell grep factorial $msymbols_output\n"
264 -re "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*$gdb_prompt $" {
265 pass "maint print msymbols"
267 -re ".*$gdb_prompt $" { fail "maint print msymbols" }
268 timeout { fail "maint print msymbols (timeout)" }
270 gdb_test "shell rm -f $msymbols_output" ".*" \
271 "shell rm -f msymbols_output"
273 -re ".*$gdb_prompt $" { fail "maint print msymbols" }
274 timeout { fail "maint print msymbols (timeout)" }
277 -re ".*$gdb_prompt $" { fail "maint print msymbols" }
278 timeout { fail "maint print msymbols (timeout)" }
281 # Check that maint print msymbols allows relative pathnames
283 gdb_test "cd [standard_output_file {}]" \
284 "Working directory .*\..*" \
287 gdb_test_multiple "maint print msymbols -objfile ${testfile} msymbols_output2" "maint print msymbols" {
288 -re "^maint print msymbols \[^\n\]*\r\n$gdb_prompt $" {
289 gdb_test_multiple "shell ls msymbols_output2" "maint print msymbols" {
290 -re "msymbols_output2\r\n$gdb_prompt $" {
291 gdb_test "shell grep factorial msymbols_output2" \
292 "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*" \
293 "maint print msymbols"
294 gdb_test "shell rm -f msymbols_output2" ".*"
299 gdb_test "cd ${mydir}" \
300 "Working directory [string_to_regexp ${mydir}]\..*" \
304 # Request symbols for one particular source file so that we don't try to
305 # dump the symbol information for the entire C library - over 500MB nowadays
308 set symbols_output [standard_output_file symbols_output]
309 set symbols_output_re [string_to_regexp $symbols_output]
310 set test_list [list \
311 "maint print symbols -source" \
312 "maint print symbols -source ${srcdir}/${subdir}/${srcfile} $symbols_output" \
313 "maint print symbols -pc" \
314 "maint print symbols -pc main $symbols_output"]
315 foreach { test_name command } $test_list {
316 send_gdb "$command\n"
318 -re "^maint print symbols \[^\n\]*\r\n$gdb_prompt $" {
319 send_gdb "shell ls $symbols_output\n"
321 -re "$symbols_output_re\r\n$gdb_prompt $" {
322 # See comments for `maint print psymbols'.
323 send_gdb "shell grep 'main(.*block' $symbols_output\n"
325 -re "int main\\(int, char \\*\\*, char \\*\\*\\); block.*$gdb_prompt $" {
328 -re ".*$gdb_prompt $" { fail "$test_name" }
329 timeout { fail "$test_name (timeout)" }
331 gdb_test "shell rm -f $symbols_output" ".*" \
332 "shell rm -f symbols_output"
334 -re ".*$gdb_prompt $" { fail "$test_name" }
335 timeout { fail "$test_name (timeout)" }
338 -re ".*$gdb_prompt $" { fail "$test_name" }
339 timeout { fail "$test_name (timeout)" }
343 set msg "maint print type"
344 gdb_test_multiple "maint print type argc" $msg {
345 -re "type node $hex\r\nname .int. \\($hex\\)\r\ntagname .<NULL>. \\($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 $" {
350 if [istarget "hppa*-*-11*"] {
351 setup_xfail hppa*-*-*11* CLLbs14860
352 gdb_test_multiple "maint print unwind &main" "maint print unwind" {
353 -re ".*unwind_table_entry \\($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 $" {
354 pass "maint print unwind"
356 -re ".*unwind_table_entry \\($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 $" {
357 xfail "maint print unwind"
362 set oldtimeout $timeout
363 set timeout [expr $timeout + 300]
365 # It'd be nice to check for every possible section. However, that's
366 # problematic, since the relative ordering wanders from release to
367 # release of the compilers. Instead, we'll just check for two
368 # sections which appear to always come out in the same relative
369 # order. (If that changes, then we should just check for one
372 # And by the way: This testpoint will break for PA64, where a.out's
375 # Standard GNU names.
376 set text_section ".text"
377 set data_section ".data"
379 gdb_test_multiple "maint info sections" "maint info sections" {
380 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*ER_RO.*$gdb_prompt $" {
381 # Looks like RealView which uses different section names.
382 set text_section ER_RO
383 set data_section ER_RW
384 pass "maint info sections"
386 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*neardata.*$gdb_prompt $" {
387 # c6x doesn't have .data section. It has .neardata and .fardata section.
388 set data_section ".neardata"
389 pass "maint info sections"
391 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*$gdb_prompt $" {
392 pass "maint info sections"
396 # Test for new option: maint info sections <section name>
397 # If you don't have a .text section, this will require tweaking.
399 gdb_test_multiple "maint info sections $text_section" \
400 "maint info sections .text" {
401 -re ".* \\.bss .*$gdb_prompt $" {
402 fail "maint info sections .text"
404 -re ".* $data_section .*$gdb_prompt $" {
405 fail "maint info sections .text"
407 -re ".* $text_section .*$gdb_prompt $" {
408 pass "maint info sections .text"
412 # Test for new option: CODE section flag
413 # If your data section is tagged CODE, xfail this test.
415 gdb_test_multiple "maint info sections CODE" "maint info sections CODE" {
416 -re ".* $data_section .*$gdb_prompt $" { fail "maint info sections CODE" }
417 -re ".* $text_section .*$gdb_prompt $" { pass "maint info sections CODE" }
420 # Test for new option: DATA section flag
421 # If your text section is tagged DATA, xfail this test.
423 # The "maint info sections DATA" test is marked for XFAIL on Windows,
424 # because Windows has text sections marked DATA.
425 setup_xfail "*-*-*cygwin*"
426 setup_xfail "*-*-*mingw*"
428 gdb_test_multiple "maint info sections DATA" "maint info sections DATA" {
429 -re ".* $text_section .*$gdb_prompt $" { fail "maint info sections DATA" }
430 -re ".* $data_section .*$gdb_prompt $" { pass "maint info sections DATA" }
431 -re ".* .rodata .*$gdb_prompt $" { pass "maint info sections DATA" }
434 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
436 gdb_test_multiple "maint info breakpoints" "maint info breakpoints" {
437 -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 $" {
438 pass "maint info breakpoints"
440 -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 $" {
441 pass "maint info breakpoints (with shlib events)"
445 gdb_test "maint print" \
446 "\"maintenance print\" must be followed by the name of a print command\\.\r\nList.*unambiguous\\..*" \
447 "maint print w/o args"
449 gdb_test "maint info" \
450 "\"maintenance info\" must be followed by the name of an info command\\.\r\nList.*unambiguous\\..*" \
451 "maint info w/o args"
454 "\"maintenance\" must be followed by the name of a maintenance command\\.\r\nList.*unambiguous\\..*" \
457 # Test that "main info line-table" w/o a file name shows the symtab for
460 set test "maint info line-table w/o a file name"
461 gdb_test_multiple "maint info line-table" $test {
462 -re "symtab: \[^\n\r\]+${srcfile} \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS" {
466 -re "symtab: \[^\n\r\]+ \\(\\(struct symtab \\*\\) $hex\\)\r\nlinetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS" {
467 # Match each symtab to avoid overflowing expect's buffer.
470 -re "$decimal\[ \t\]+$decimal\[ \t\]+$hex\r\n" {
471 # Line table entries can be long too:
474 # 0 29 0x00000000004006f6
475 # 1 30 0x00000000004006fa
476 # 2 31 0x0000000000400704
477 # 3 42 0x0000000000400706
478 # 4 43 0x0000000000400719
479 # 5 44 0x0000000000400722
480 # 6 45 0x0000000000400740
482 # 454 129 0x00007ffff7df1d28
483 # 455 0 0x00007ffff7df1d3f
485 # Match each line to avoid overflowing expect's buffer.
488 -re "$gdb_prompt $" {
489 gdb_assert $saw_srcfile $test
493 gdb_test "maint info line-table ${srcfile}" \
494 "symtab: \[^\n\r\]+${srcfile}.*INDEX.*LINE.*ADDRESS.*" \
495 "maint info line-table with filename of current symtab"
497 gdb_test_no_output "maint info line-table ${srcfile2}" \
498 "maint info line-table with filename of symtab that is not currently expanded"
500 gdb_test_no_output "maint expand-symtabs"
502 gdb_test "maint info line-table ${srcfile2}" \
503 "symtab: \[^\n\r\]+${srcfile2}.*INDEX.*LINE.*ADDRESS.*" \
504 "maint info line-table with filename of symtab that is not current"
506 gdb_test_no_output "maint info line-table xxx.c" \
507 "maint info line-table with invalid filename"
509 set timeout $oldtimeout
511 #============test help on maint commands
513 gdb_test "help maint" \
514 "Commands for use by GDB maintainers\\..*Includes commands to dump specific internal GDB structures in.*a human readable form, to cause GDB to deliberately dump core, etc\\..*List of maintenance subcommands:.*maintenance info.*maintenance internal-error.*maintenance print.*maintenance set.*maintenance show.*Type.*help maintenance.*followed by maintenance subcommand name for full documentation\\..*Command name abbreviations are allowed if unambiguous\\..*"
516 gdb_test "help maint info" \
517 "Commands for showing internal info about the program being debugged.*unambiguous\\..*"
519 test_prefix_command_help {"maint print" "maintenance print"} {
520 "Maintenance command for printing GDB internal state\\.\[\r\n\]+"
523 test_prefix_command_help {"maint" "maintenance"} {
524 "Commands for use by GDB maintainers\\.\[\r\n\]+"
525 "Includes commands to dump specific internal GDB structures in\[\r\n\]+"
526 "a human readable form, to cause GDB to deliberately dump core, etc\\.\[\r\n\]+"
529 #set oldtimeout $timeout
530 #set timeout [expr $timeout + 300]
532 gdb_test_multiple "maint dump-me" "maint dump-me" {
533 -re "Should GDB dump core.*\\(y or n\\) $" {
534 gdb_test "n" ".*" "maint dump-me"
536 -re "Undefined maintenance command: .*$gdb_prompt $" {
537 # Command 'maint dump-me' is registered on non-win32 host.
538 unsupported "maint dump-me"
542 send_gdb "maint internal-error\n"
544 -re "A problem internal to GDB has been detected" {
545 pass "maint internal-error"
546 if [gdb_internal_error_resync] {
547 pass "internal-error resync"
549 fail "internal-error resync"
552 -re ".*$gdb_prompt $" {
553 fail "maint internal-error"
554 untested "internal-error resync"
557 fail "maint internal-error (timeout)"
558 untested "internal-error resync"
562 #set timeout $oldtimeout