1 # Copyright 1998-2014 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 demangle -- Demangle a C++ mangled name
29 #maintenance dump-me -- Get fatal error; make debugger dump its core
30 #maintenance print -- Maintenance command for printing GDB internal state
31 #maintenance info -- Commands for showing internal info about the program being debugged
32 #maintenance internal-error -- Give GDB an internal error.
34 #maintenance print dummy-frames -- Print the dummy frame stack
35 #maintenance print statistics -- Print statistics about internal gdb state
36 #maintenance print objfiles -- Print dump of current object file definitions
37 #maintenance print psymbols -- Print dump of current partial symbol definitions
38 #maintenance print msymbols -- Print dump of current minimal symbol definitions
39 #maintenance print symbols -- Print dump of current symbol definitions
40 #maintenance print type -- Print a type chain for a given symbol
41 #maintenance print unwind -- Print unwind table entry at given address
44 #maintenance info sections -- List the BFD sections of the exec and core files
45 #maintenance info breakpoints -- Status of all breakpoints
50 standard_testfile break.c break1.c
52 if {[prepare_for_testing $testfile.exp $testfile \
53 [list $srcfile $srcfile2] {debug nowarnings}]} {
54 untested $testfile.exp
58 # The commands we test here produce many lines of output; disable "press
59 # <return> to continue" prompts.
60 gdb_test_no_output "set height 0"
62 # Tests that require that no program is running
64 gdb_file_cmd ${binfile}
66 # Test for a regression where this command would internal-error if the
67 # program wasn't running.
68 gdb_test "maint print registers" "Name.*Nr.*Rel.*Offset.*Size.*Type.*"
70 # Test "mt expand-symtabs" here as it's easier to verify before we
72 gdb_test_no_output "mt set per on" "mt set per on for expand-symtabs"
73 gdb_test_multiple "mt expand-symtabs $subdir/break\[.\]c$" \
75 -re "#primary symtabs: (1|2) \\(\[+\](0|1|2)\\),.*$gdb_prompt $" {
76 # This should expand at most two primary symtabs.
77 # "Normally" it will not expand any, because the symtab
78 # holding "main" will already have been expanded, but if the
79 # file is compiled with -fdebug-types-section then a second primary
80 # symtab for break.c will be created for any types.
81 pass "mt expand-symtabs"
84 gdb_test "mt set per off" ".*" "mt set per off for expand-symtabs"
86 # Tests that can or should be done with a running program
90 if ![runto_main] then {
91 perror "tests suppressed"
94 # If we're using .gdb_index there will be no psymtabs.
96 gdb_test_multiple "maint info sections .gdb_index" "check for .gdb_index" {
97 -re ": .gdb_index.*$gdb_prompt $" {
100 -re ".*$gdb_prompt $" {
101 ;# Nothing to do, present to avoid a FAIL.
106 # this command does not produce any output
107 # unless there is some problem with the symtabs and psymtabs
108 # so that branch will really never be covered in this tests here!!
111 # guo: on linux this command output is huge. for some reason splitting up
112 # the regexp checks works.
114 send_gdb "maint check-psymtabs\n"
116 -re "^maint check-psymtabs" {
118 -re "$gdb_prompt $" {
119 pass "maint check-psymtabs"
121 timeout { fail "(timeout) maint check-psymtabs" }
124 -re ".*$gdb_prompt $" { fail "maint check-psymtabs" }
125 timeout { fail "(timeout) maint check-psymtabs" }
128 # This command does not produce any output unless there is some problem
129 # with the symtabs, so that branch will really never be covered in the
131 gdb_test_no_output "maint check-symtabs"
133 gdb_test_no_output "maint set per-command on"
135 gdb_test "maint set per-command off" \
136 "Command execution time: \[0-9.\]+ \\(cpu\\), \[0-9.\]+ \\(wall\\)\[\r\n\]+Space used: $decimal \\(\\+$decimal for this command\\)\[\r\n\]+#symtabs: $decimal \\(\\+$decimal\\), #primary symtabs: $decimal \\(\\+$decimal\\), #blocks: $decimal \\(\\+$decimal\\)"
138 gdb_test "maint demangle" \
139 "\"maintenance demangle\" takes an argument to demangle\\."
141 gdb_test "maint demangle main" "Can't demangle \"main\""
145 # The timeout value is raised, because printing all the symbols and
146 # statistical information about Cygwin and Windows libraries takes a lot
148 if [istarget "*-*-cygwin*"] {
149 set oldtimeout $timeout
150 set timeout [expr $timeout + 500]
153 send_gdb "maint print statistics\n"
155 -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: $decimal\r\n" {
157 -re "$gdb_prompt $" {
158 pass "maint print statistics"
160 timeout { fail "(timeout) maint print statistics" }
163 -re ".*$gdb_prompt $" { fail "maint print statistics" }
164 timeout { fail "(timeout) maint print statistics" }
167 # There aren't any ...
168 gdb_test_no_output "maint print dummy-frames"
170 send_gdb "maint print objfiles\n"
172 # To avoid timeouts, we avoid expects with many .* patterns that match
173 # many lines. Instead, we keep track of which milestones we've seen
174 # in the output, and stop when we've seen all of them.
181 while {$keep_looking} {
185 set output $expect_out(buffer)
186 if {[regexp ".*Object file.*maint($EXEEXT)?: Objfile at ${hex}" $output]} {
189 if {[regexp ".*Psymtabs:\[\r\t \]+\n" $output]} {
192 if {[regexp ".*Symtabs:\[\r\t \]+\n" $output]} {
197 -re ".*$gdb_prompt $" {
201 fail "(timeout) maint print objfiles"
207 proc maint_pass_if {val name} {
208 if $val { pass $name } else { fail $name }
211 maint_pass_if $header "maint print objfiles: header"
212 if { ! $have_gdb_index } {
213 maint_pass_if $psymtabs "maint print objfiles: psymtabs"
215 maint_pass_if $symtabs "maint print objfiles: symtabs"
217 gdb_test "maint print psymbols" \
218 "print-psymbols takes an output file name and optional symbol file name" \
219 "maint print psymbols w/o args"
221 if { ! $have_gdb_index } {
222 set psymbols_output [standard_output_file psymbols_output]
223 send_gdb "maint print psymbols $psymbols_output ${srcdir}/${subdir}/${srcfile}\n"
225 -re "^maint print psymbols $psymbols_output \[^\n\]*\r\n$gdb_prompt $" {
226 send_gdb "shell ls $psymbols_output\n"
228 -re "$psymbols_output\r\n$gdb_prompt $" {
229 # We want this grep to be as specific as possible,
230 # so it's less likely to match symbol file names in
231 # psymbols_output. Yes, this actually happened;
232 # poor expect got tons of output, and timed out
233 # trying to match it. --- Jim Blandy <jimb@cygnus.com>
234 send_gdb "shell grep 'main.*function' $psymbols_output\n"
236 -re ".main., function, $hex.*$gdb_prompt $" {
237 pass "maint print psymbols 1"
239 -re ".*main. .., function, $hex.*$gdb_prompt $" {
240 pass "maint print psymbols 2"
242 -re ".*$gdb_prompt $" { fail "maint print psymbols" }
243 timeout { fail "(timeout) maint print psymbols" }
245 gdb_test "shell rm -f $psymbols_output" ".*" \
246 "shell rm -f psymbols_output"
248 -re ".*$gdb_prompt $" { fail "maint print psymbols" }
249 timeout { fail "(timeout) maint print psymbols" }
252 -re ".*$gdb_prompt $" { fail "maint print psymbols" }
253 timeout { fail "(timeout) maint print psymbols" }
257 gdb_test "maint print msymbols" \
258 "print-msymbols takes an output file name and optional symbol file name" \
259 "maint print msymbols w/o args"
262 set msymbols_output [standard_output_file msymbols_output]
263 send_gdb "maint print msymbols $msymbols_output ${binfile}\n"
265 -re "^maint print msymbols $msymbols_output \[^\n\]*\r\n$gdb_prompt $" {
266 send_gdb "shell ls $msymbols_output\n"
268 -re "$msymbols_output\r\n$gdb_prompt $" {
269 send_gdb "shell grep factorial $msymbols_output\n"
271 -re "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*$gdb_prompt $" {
272 pass "maint print msymbols"
274 -re ".*$gdb_prompt $" { fail "maint print msymbols" }
275 timeout { fail "(timeout) maint print msymbols" }
277 gdb_test "shell rm -f $msymbols_output" ".*" \
278 "shell rm -f msymbols_output"
280 -re ".*$gdb_prompt $" { fail "maint print msymbols" }
281 timeout { fail "(timeout) maint print msymbols" }
284 -re ".*$gdb_prompt $" { fail "maint print msymbols" }
285 timeout { fail "(timeout) maint print msymbols" }
288 # Check that maint print msymbols allows relative pathnames
290 gdb_test "cd [standard_output_file {}]" \
291 "Working directory .*\..*" \
294 gdb_test_multiple "maint print msymbols msymbols_output2 ${testfile}" "maint print msymbols" {
295 -re "^maint print msymbols msymbols_output2 \[^\n\]*\r\n$gdb_prompt $" {
296 gdb_test_multiple "shell ls msymbols_output2" "maint print msymbols" {
297 -re "msymbols_output2\r\n$gdb_prompt $" {
298 gdb_test_multiple "shell grep factorial msymbols_output2" "maint print msymbols" {
299 -re "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*$gdb_prompt $" {
300 pass "maint print msymbols"
302 -re ".*$gdb_prompt $" {
303 fail "maint print msymbols"
306 fail "(timeout) maint print msymbols"
309 gdb_test "shell rm -f msymbols_output2" ".*" \
310 "shell rm -f msymbols_output2"
312 -re ".*$gdb_prompt $" {
313 fail "maint print msymbols"
316 fail "(timeout) maint print msymbols"
320 -re ".*$gdb_prompt $" {
321 fail "maint print msymbols"
324 fail "(timeout) maint print msymbols"
327 gdb_test "cd ${mydir}" \
328 "Working directory [string_to_regexp ${mydir}]\..*" \
331 gdb_test "maint print symbols" \
332 "Arguments missing: an output file name and an optional symbol file name" \
333 "maint print symbols w/o args"
336 # Request symbols for one particular source file so that we don't try to
337 # dump the symbol information for the entire C library - over 500MB nowadays
340 set symbols_output [standard_output_file symbols_output]
341 send_gdb "maint print symbols $symbols_output ${srcdir}/${subdir}/${srcfile}\n"
343 -re "^maint print symbols $symbols_output \[^\n\]*\r\n$gdb_prompt $" {
344 send_gdb "shell ls $symbols_output\n"
346 -re "$symbols_output\r\n$gdb_prompt $" {
347 # See comments for `maint print psymbols'.
348 send_gdb "shell grep 'main(.*block' $symbols_output\n"
350 -re "int main\\(int, char \\*\\*, char \\*\\*\\); block.*$gdb_prompt $" {
351 pass "maint print symbols"
353 -re ".*$gdb_prompt $" { fail "maint print symbols" }
354 timeout { fail "(timeout) maint print symbols" }
356 gdb_test "shell rm -f $symbols_output" ".*" \
357 "shell rm -f symbols_output"
359 -re ".*$gdb_prompt $" { fail "maint print symbols" }
360 timeout { fail "(timeout) maint print symbols" }
363 -re ".*$gdb_prompt $" { fail "maint print symbols" }
364 timeout { fail "(timeout) maint print symbols" }
367 set msg "maint print type"
368 gdb_test_multiple "maint print type argc" $msg {
369 -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\nvptr_basetype $hex\r\nvptr_fieldno -1\r\n$gdb_prompt $" {
374 if [istarget "hppa*-*-11*"] {
375 setup_xfail hppa*-*-*11* CLLbs14860
376 gdb_test_multiple "maint print unwind &main" "maint print unwind" {
377 -re ".*unwind_table_entry \\($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 $" {
378 pass "maint print unwind"
380 -re ".*unwind_table_entry \\($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 $" {
381 xfail "maint print unwind"
386 set oldtimeout $timeout
387 set timeout [expr $timeout + 300]
389 # It'd be nice to check for every possible section. However, that's
390 # problematic, since the relative ordering wanders from release to
391 # release of the compilers. Instead, we'll just check for two
392 # sections which appear to always come out in the same relative
393 # order. (If that changes, then we should just check for one
396 # And by the way: This testpoint will break for PA64, where a.out's
399 # Standard GNU names.
400 set text_section ".text"
401 set data_section ".data"
403 gdb_test_multiple "maint info sections" "maint info sections" {
404 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*ER_RO.*$gdb_prompt $" {
405 # Looks like RealView which uses different section names.
406 set text_section ER_RO
407 set data_section ER_RW
408 pass "maint info sections"
410 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*neardata.*$gdb_prompt $" {
411 # c6x doesn't have .data section. It has .neardata and .fardata section.
412 set data_section ".neardata"
413 pass "maint info sections"
415 -re "Exec file:\r\n.*maint($EXEEXT)?., file type.*$gdb_prompt $" {
416 pass "maint info sections"
420 # Test for new option: maint info sections <section name>
421 # If you don't have a .text section, this will require tweaking.
423 gdb_test_multiple "maint info sections $text_section" \
424 "maint info sections .text" {
425 -re ".* \\.bss .*$gdb_prompt $" {
426 fail "maint info sections .text"
428 -re ".* $data_section .*$gdb_prompt $" {
429 fail "maint info sections .text"
431 -re ".* $text_section .*$gdb_prompt $" {
432 pass "maint info sections .text"
436 # Test for new option: CODE section flag
437 # If your data section is tagged CODE, xfail this test.
439 gdb_test_multiple "maint info sections CODE" "maint info sections CODE" {
440 -re ".* $data_section .*$gdb_prompt $" { fail "maint info sections CODE" }
441 -re ".* $text_section .*$gdb_prompt $" { pass "maint info sections CODE" }
444 # Test for new option: DATA section flag
445 # If your text section is tagged DATA, xfail this test.
447 # The "maint info sections DATA" test is marked for XFAIL on Windows,
448 # because Windows has text sections marked DATA.
449 setup_xfail "*-*-*cygwin*"
450 setup_xfail "*-*-*mingw*"
452 gdb_test_multiple "maint info sections DATA" "maint info sections DATA" {
453 -re ".* $text_section .*$gdb_prompt $" { fail "maint info sections DATA" }
454 -re ".* $data_section .*$gdb_prompt $" { pass "maint info sections DATA" }
455 -re ".* .rodata .*$gdb_prompt $" { pass "maint info sections DATA" }
458 set bp_location6 [gdb_get_line_number "set breakpoint 6 here"]
460 gdb_test_multiple "maint info breakpoints" "maint info breakpoints" {
461 -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 $" {
462 pass "maint info breakpoints"
464 -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 $" {
465 pass "maint info breakpoints (with shlib events)"
469 gdb_test "maint print" \
470 "\"maintenance print\" must be followed by the name of a print command\\.\r\nList.*unambiguous\\..*" \
471 "maint print w/o args"
473 gdb_test "maint info" \
474 "\"maintenance info\" must be followed by the name of an info command\\.\r\nList.*unambiguous\\..*" \
475 "maint info w/o args"
478 "\"maintenance\" must be followed by the name of a maintenance command\\.\r\nList.*unambiguous\\..*" \
481 set timeout $oldtimeout
483 #============test help on maint commands
485 gdb_test "help maint" \
486 "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,.*to test internal functions such as the C../ObjC demangler, 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\\..*"
488 gdb_test "help maint info" \
489 "Commands for showing internal info about the program being debugged.*unambiguous\\..*"
491 test_prefix_command_help {"maint print" "maintenance print"} {
492 "Maintenance command for printing GDB internal state\\.\[\r\n\]+"
495 test_prefix_command_help {"maint" "maintenance"} {
496 "Commands for use by GDB maintainers\\.\[\r\n\]+"
497 "Includes commands to dump specific internal GDB structures in\[\r\n\]+"
498 "a human readable form, to cause GDB to deliberately dump core,\[\r\n\]+"
499 "to test internal functions such as the C\\+\\+/ObjC demangler, etc\\.\[\r\n\]+"
502 #set oldtimeout $timeout
503 #set timeout [expr $timeout + 300]
505 gdb_test_multiple "maint dump-me" "maint dump-me" {
506 -re "Should GDB dump core.*\\(y or n\\) $" {
507 gdb_test "n" ".*" "maint dump-me"
509 -re "Undefined maintenance command: .*$gdb_prompt $" {
510 # Command 'maint dump-me' is registered on non-win32 host.
511 unsupported "maint dump-me"
515 send_gdb "maint internal-error\n"
517 -re "A problem internal to GDB has been detected" {
518 pass "maint internal-error"
519 if [gdb_internal_error_resync] {
520 pass "internal-error resync"
522 fail "internal-error resync"
525 -re ".*$gdb_prompt $" {
526 fail "maint internal-error"
527 untested "internal-error resync"
530 fail "maint internal-error (timeout)"
531 untested "internal-error resync"
535 #set timeout $oldtimeout