# Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2007, 2008, 2009, 2010, 2011 # Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . # This file was written by Elena Zannoni (ezannoni@cygnus.com) # this file tests maintenance commands and help on those. # source file used is break.c #maintenance check-symtabs -- Check consistency of psymtabs and symtabs #maintenance space -- Set the display of space usage #maintenance set -- Set GDB internal variables used by the GDB maintainer #maintenance show -- Show GDB internal variables used by the GDB maintainer #maintenance time -- Set the display of time usage #maintenance demangle -- Demangle a C++ mangled name #maintenance dump-me -- Get fatal error; make debugger dump its core #maintenance print -- Maintenance command for printing GDB internal state #maintenance info -- Commands for showing internal info about the program being debugged #maintenance internal-error -- Give GDB an internal error. # #maintenance print dummy-frames -- Print the dummy frame stack #maintenance print statistics -- Print statistics about internal gdb state #maintenance print objfiles -- Print dump of current object file definitions #maintenance print psymbols -- Print dump of current partial symbol definitions #maintenance print msymbols -- Print dump of current minimal symbol definitions #maintenance print symbols -- Print dump of current symbol definitions #maintenance print type -- Print a type chain for a given symbol #maintenance print unwind -- Print unwind table entry at given address # # #maintenance info sections -- List the BFD sections of the exec and core files #maintenance info breakpoints -- Status of all breakpoints # if $tracelevel then { strace $tracelevel } set testfile "break" set srcfile ${testfile}.c set srcfile1 ${testfile}1.c set binfile ${objdir}/${subdir}/${testfile} if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}0.o" object {debug nowarnings}] != "" } { untested maint.exp return -1 } if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile}1.o" object {debug nowarnings}] != "" } { untested maint.exp return -1 } if { [gdb_compile "${binfile}0.o ${binfile}1.o" "${binfile}" executable {debug nowarnings}] != "" } { untested maint.exp return -1 } gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir # The commands we test here produce many lines of output; disable "press # to continue" prompts. gdb_test_no_output "set height 0" # Tests that require that no program is running gdb_file_cmd ${binfile} # Test for a regression where this command would internal-error if the # program wasn't running. gdb_test "maint print registers" "Name.*Nr.*Rel.*Offset.*Size.*Type.*" # Tests that can or should be done with a running program gdb_load ${binfile} if ![runto_main] then { perror "tests suppressed" } # # this command does not produce any output # unless there is some problem with the symtabs and psymtabs # so that branch will really never be covered in this tests here!! # # guo: on linux this command output is huge. for some reason splitting up # the regexp checks works. # send_gdb "maint check-symtabs\n" gdb_expect { -re "^maint check-symtabs" { gdb_expect { -re "$gdb_prompt $" { pass "maint check-symtabs" } timeout { fail "(timeout) maint check-symtabs" } } } -re ".*$gdb_prompt $" { fail "maint check-symtabs" } timeout { fail "(timeout) maint check-symtabs" } } gdb_test "maint space" \ "\"maintenance space\" takes a numeric argument\\." gdb_test "maint space 1" \ "Space used: $decimal \\(\\+$decimal for this command\\)" gdb_test "maint time" \ "\"maintenance time\" takes a numeric argument\\..*Space used: $decimal \\(\\+$decimal for this command\\)" gdb_test "maint time 1" \ "Command execution time: $decimal.*Space used: $decimal \\(\\+$decimal for this command\\)" gdb_test "maint time 0" \ "Space used: $decimal \\(\\+$decimal for this command\\)" gdb_test_no_output "maint space 0" gdb_test "maint demangle" \ "\"maintenance demangle\" takes an argument to demangle\\." gdb_test "maint demangle main" "Can't demangle \"main\"" # The timeout value is raised, because printing all the symbols and # statistical information about Cygwin and Windows libraries takes a lot # of time. if [istarget "*-*-cygwin*"] { set oldtimeout $timeout set timeout [expr $timeout + 500] } send_gdb "maint print statistics\n" gdb_expect { -re "Statistics for\[^\n\r\]*break\[^\n\r\]*:\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 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 psymbol cache: $decimal\r\n Total memory used for macro cache: $decimal\r\n Total memory used for file name cache: $decimal\r\n" { gdb_expect { -re "$gdb_prompt $" { pass "maint print statistics" } timeout { fail "(timeout) maint print statistics" } } } -re ".*$gdb_prompt $" { fail "maint print statistics" } timeout { fail "(timeout) maint print statistics" } } # There aren't any ... gdb_test_no_output "maint print dummy-frames" send_gdb "maint print objfiles\n" # To avoid timeouts, we avoid expects with many .* patterns that match # many lines. Instead, we keep track of which milestones we've seen # in the output, and stop when we've seen all of them. set header 0 set psymtabs 0 set symtabs 0 set keep_looking 1 while {$keep_looking} { gdb_expect { -re ".*Object file.*break($EXEEXT)?: Objfile at $hex, bfd at $hex, \[0-9\]* minsyms\[\r\t \]+\n" { set header 1 } -re ".*Psymtabs:\[\r\t \]+\n" { set psymtabs 1 } -re ".*Symtabs:\[\r\t \]+\n" { set symtabs 1 } -re ".*$gdb_prompt $" { set keep_looking 0 } timeout { fail "(timeout) maint print objfiles" set keep_looking 0 } } } proc maint_pass_if {val name} { if $val { pass $name } else { fail $name } } maint_pass_if $header "maint print objfiles: header" maint_pass_if $psymtabs "maint print objfiles: psymtabs" maint_pass_if $symtabs "maint print objfiles: symtabs" gdb_test "maint print psymbols" \ "print-psymbols takes an output file name and optional symbol file name" \ "maint print psymbols w/o args" send_gdb "maint print psymbols psymbols_output ${srcdir}/${subdir}/${srcfile}\n" gdb_expect { -re "^maint print psymbols psymbols_output \[^\n\]*\r\n$gdb_prompt $" { send_gdb "shell ls psymbols_output\n" gdb_expect { -re "psymbols_output\r\n$gdb_prompt $" { # We want this grep to be as specific as possible, # so it's less likely to match symbol file names in # psymbols_output. Yes, this actually happened; # poor expect got tons of output, and timed out # trying to match it. --- Jim Blandy send_gdb "shell grep 'main.*function' psymbols_output\n" gdb_expect { -re ".main., function, $hex.*$gdb_prompt $" { pass "maint print psymbols 1" } -re ".*main. .., function, $hex.*$gdb_prompt $" { pass "maint print psymbols 2" } -re ".*$gdb_prompt $" { fail "maint print psymbols" } timeout { fail "(timeout) maint print psymbols" } } gdb_test "shell rm -f psymbols_output" ".*" } -re ".*$gdb_prompt $" { fail "maint print psymbols" } timeout { fail "(timeout) maint print psymbols" } } } -re ".*$gdb_prompt $" { fail "maint print psymbols" } timeout { fail "(timeout) maint print psymbols" } } gdb_test "maint print msymbols" \ "print-msymbols takes an output file name and optional symbol file name" \ "maint print msymbols w/o args" send_gdb "maint print msymbols msymbols_output ${binfile}\n" gdb_expect { -re "^maint print msymbols msymbols_output \[^\n\]*\r\n$gdb_prompt $" { send_gdb "shell ls msymbols_output\n" gdb_expect { -re "msymbols_output\r\n$gdb_prompt $" { send_gdb "shell grep factorial msymbols_output\n" gdb_expect { -re "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*$gdb_prompt $" { pass "maint print msymbols" } -re ".*$gdb_prompt $" { fail "maint print msymbols" } timeout { fail "(timeout) maint print msymbols" } } gdb_test "shell rm -f msymbols_output" ".*" } -re ".*$gdb_prompt $" { fail "maint print msymbols" } timeout { fail "(timeout) maint print msymbols" } } } -re ".*$gdb_prompt $" { fail "maint print msymbols" } timeout { fail "(timeout) maint print msymbols" } } # Check that maint print msymbols allows relative pathnames set mydir [pwd] gdb_test "cd ${objdir}" \ "Working directory [string_to_regexp ${objdir}]\..*" \ "cd to objdir" gdb_test_multiple "maint print msymbols msymbols_output2 ${subdir}/${testfile}" "maint print msymbols" { -re "^maint print msymbols msymbols_output2 \[^\n\]*\r\n$gdb_prompt $" { gdb_test_multiple "shell ls msymbols_output2" "maint print msymbols" { -re "msymbols_output2\r\n$gdb_prompt $" { gdb_test_multiple "shell grep factorial msymbols_output2" "maint print msymbols" { -re "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*$gdb_prompt $" { pass "maint print msymbols" } -re ".*$gdb_prompt $" { fail "maint print msymbols" } timeout { fail "(timeout) maint print msymbols" } } gdb_test "shell rm -f msymbols_output2" ".*" } -re ".*$gdb_prompt $" { fail "maint print msymbols" } timeout { fail "(timeout) maint print msymbols" } } } -re ".*$gdb_prompt $" { fail "maint print msymbols" } timeout { fail "(timeout) maint print msymbols" } } gdb_test "cd ${mydir}" \ "Working directory [string_to_regexp ${mydir}]\..*" \ "cd to mydir" gdb_test "maint print symbols" \ "Arguments missing: an output file name and an optional symbol file name" \ "maint print symbols w/o args" # Request symbols for one particular source file so that we don't try to # dump the symbol information for the entire C library - over 500MB nowadays # for GNU libc. send_gdb "maint print symbols symbols_output ${srcdir}/${subdir}/${srcfile}\n" gdb_expect { -re "^maint print symbols symbols_output \[^\n\]*\r\n$gdb_prompt $" { send_gdb "shell ls symbols_output\n" gdb_expect { -re "symbols_output\r\n$gdb_prompt $" { # See comments for `maint print psymbols'. send_gdb "shell grep 'main(.*block' symbols_output\n" gdb_expect { -re "int main\\(int, char \\*\\*, char \\*\\*\\); block.*$gdb_prompt $" { pass "maint print symbols" } -re ".*$gdb_prompt $" { fail "maint print symbols" } timeout { fail "(timeout) maint print symbols" } } gdb_test "shell rm -f symbols_output" ".*" } -re ".*$gdb_prompt $" { fail "maint print symbols" } timeout { fail "(timeout) maint print symbols" } } } -re ".*$gdb_prompt $" { fail "maint print symbols" } timeout { fail "(timeout) maint print symbols" } } set msg "maint print type" gdb_test_multiple "maint print type argc" $msg { -re "type node $hex\r\nname .int. \\($hex\\)\r\ntagname .. \\($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 $" { pass $msg } } if [istarget "hppa*-*-11*"] { setup_xfail hppa*-*-*11* CLLbs14860 gdb_test_multiple "maint print unwind &main" "maint print unwind" { -re ".*unwind_table_entry \\($hex\\):\r\n\tregion_start = $hex
\r\n\tregion_end = $hex \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 $" { pass "maint print unwind" } -re ".*unwind_table_entry \\($hex\\):\r\n\tregion_start = $hex
\r\n\tregion_end = $hex \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 $" { xfail "maint print unwind" } } } set oldtimeout $timeout set timeout [expr $timeout + 300] # It'd be nice to check for every possible section. However, that's # problematic, since the relative ordering wanders from release to # release of the compilers. Instead, we'll just check for two # sections which appear to always come out in the same relative # order. (If that changes, then we should just check for one # section.) # # And by the way: This testpoint will break for PA64, where a.out's # are ELF files. # Standard GNU names. set text_section ".text" set data_section ".data" gdb_test_multiple "maint info sections" "maint info sections" { -re "Exec file:\r\n.*break($EXEEXT)?., file type.*ER_RO.*$gdb_prompt $" { # Looks like RealView which uses different section names. set text_section ER_RO set data_section ER_RW pass "maint info sections" } -re "Exec file:\r\n.*break($EXEEXT)?., file type.*neardata.*$gdb_prompt $" { # c6x doesn't have .data section. It has .neardata and .fardata section. set data_section ".neardata" pass "maint info sections" } -re "Exec file:\r\n.*break($EXEEXT)?., file type.*$gdb_prompt $" { pass "maint info sections" } } # Test for new option: maint info sections
# If you don't have a .text section, this will require tweaking. gdb_test_multiple "maint info sections $text_section" \ "maint info sections .text" { -re ".* \\.bss .*$gdb_prompt $" { fail "maint info sections .text" } -re ".* $data_section .*$gdb_prompt $" { fail "maint info sections .text" } -re ".* $text_section .*$gdb_prompt $" { pass "maint info sections .text" } } # Test for new option: CODE section flag # If your data section is tagged CODE, xfail this test. gdb_test_multiple "maint info sections CODE" "maint info sections CODE" { -re ".* $data_section .*$gdb_prompt $" { fail "maint info sections CODE" } -re ".* $text_section .*$gdb_prompt $" { pass "maint info sections CODE" } } # Test for new option: DATA section flag # If your text section is tagged DATA, xfail this test. # # The "maint info sections DATA" test is marked for XFAIL on Windows, # because Windows has text sections marked DATA. setup_xfail "*-*-*cygwin*" setup_xfail "*-*-*mingw*" gdb_test_multiple "maint info sections DATA" "maint info sections DATA" { -re ".* $text_section .*$gdb_prompt $" { fail "maint info sections DATA" } -re ".* $data_section .*$gdb_prompt $" { pass "maint info sections DATA" } -re ".* .rodata .*$gdb_prompt $" { pass "maint info sections DATA" } } set bp_location6 [gdb_get_line_number "set breakpoint 6 here"] gdb_test_multiple "maint info breakpoints" "maint info breakpoints" { -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 $" { pass "maint info breakpoints" } -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 $" { pass "maint info breakpoints (with shlib events)" } } gdb_test "maint print" \ "\"maintenance print\" must be followed by the name of a print command\\.\r\nList.*unambiguous\\..*" \ "maint print w/o args" gdb_test "maint info" \ "\"maintenance info\" must be followed by the name of an info command\\.\r\nList.*unambiguous\\..*" \ "maint info w/o args" gdb_test "maint" \ "\"maintenance\" must be followed by the name of a maintenance command\\.\r\nList.*unambiguous\\..*" \ "maint w/o args" set timeout $oldtimeout #============test help on maint commands gdb_test "help maint" \ "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 check-symtabs.*maintenance demangle.*(maintenance dump-me.*)?maintenance info.*maintenance internal-error.*maintenance print.*maintenance set.*maintenance show.*maintenance space.*maintenance time.*Type.*help maintenance.*followed by maintenance subcommand name for full documentation\\..*Command name abbreviations are allowed if unambiguous\\..*" gdb_test "help maint check-symtabs" \ "Check consistency of psymtabs and symtabs\\..*" gdb_test "help maint space" \ "Set the display of space usage\\.\r\nIf nonzero, will cause the execution space for each command to be\r\ndisplayed, following the command's output\\..*" gdb_test "help maint time" \ "Set the display of time usage\\.\r\nIf nonzero, will cause the execution time for each command to be\r\ndisplayed, following the command's output\\..*" gdb_test "help maint demangle" \ "Demangle a C\\+\\+/ObjC mangled name\\.\r\nCall internal GDB demangler routine to demangle a C\\+\\+ link name\r\nand prints the result\\..*" gdb_test "help maint dump-me" \ "Get fatal error; make debugger dump its core\\.\r\nGDB sets its handling of SIGQUIT back to SIG_DFL and then sends\r\nitself a SIGQUIT signal\\..*" gdb_test "help maint internal-error" \ "Give GDB an internal error\\.\r\nCause GDB to behave as if an internal error was detected\\..*" gdb_test "help maint internal-warning" \ "Give GDB an internal warning\\.\r\nCause GDB to behave as if an internal warning was reported\\..*" gdb_test "help maint print statistics" \ "Print statistics about internal gdb state\\..*" gdb_test "help maint print dummy-frames" \ "Print the contents of the internal dummy-frame stack." gdb_test "help maint print objfiles" \ "Print dump of current object file definitions\\..*" gdb_test "help maint print psymbols" \ "Print dump of current partial symbol definitions\\.\r\nEntries in the partial symbol table are dumped to file OUTFILE\\.\r\nIf a SOURCE file is specified, dump only that file's partial symbols\\..*" gdb_test "help maint print msymbols" \ "Print dump of current minimal symbol definitions\\.\r\nEntries in the minimal symbol table are dumped to file OUTFILE\\.\r\nIf a SOURCE file is specified, dump only that file's minimal symbols\\..*" gdb_test "help maint print symbols" \ "Print dump of current symbol definitions\\.\r\nEntries in the full symbol table are dumped to file OUTFILE\\.\r\nIf a SOURCE file is specified, dump only that file's symbols\\..*" gdb_test "help maint print type" \ "Print a type chain for a given symbol\\.\r\nFor each node in a type chain, print the raw data for each member of\r\nthe type structure, and the interpretation of the data\\..*" if [istarget "hppa*-*-*"] { gdb_test "help maint print unwind" \ "Print unwind table entry at given address\\..*" } gdb_test "help maint info sections" \ "List the BFD sections of the exec and core files\\..*" gdb_test "help maint info breakpoints" \ "Status of all breakpoints, or breakpoint number NUMBER.*" #send_gdb "help maint info breakpoints\n" #expect { # -re "Status of all breakpoints, or breakpoint number NUMBER\\.\[ \r\n\t\]+The \"Type\" column indicates one of:\[ \r\n\t\]+breakpoint\[ \t\]+- normal breakpoint\[ \r\n\t\]+watchpoint\[ \t\]+- watchpoint\[ \r\n\t\]+longjmp\[ \t\]+- internal breakpoint used to step through longjmp\\(\\)\[ \r\n\t\]+longjmp resume - internal breakpoint at the target of longjmp\\(\\)\[ \r\n\t\]+until\[ \t\]+- internal breakpoint used by the \"until\" command\[ \r\n\t\]+finish\[ \t\]+- internal breakpoint used by the \"finish\" command\[ \r\n\t\]+The \"Disp\" column contains one of \"keep\", \"del\", or \"dis\" to indicate\[ \r\n\t\]+the disposition of the breakpoint after it gets hit\\. \"dis\" means that the\[ \r\n\t\]+breakpoint will be disabled\\. The \"Address\" and \"What\" columns indicate the\[ \r\n\t\]+address and file.line number respectively\\.\[ \r\n\t\]+Convenience variable \".*\" and default examine address for \"x\"\[ \r\n\t\]+are set to the address of the last breakpoint listed\\.\[ \r\n\t\]+Convenience variable \".bpnum\" contains the number of the last\[ \r\n\t\]+breakpoint set\\..*$gdb_prompt $"\ # { pass "help maint info breakpoints" } # -re ".*$gdb_prompt $" { fail "help maint info breakpoints" } # timeout { fail "(timeout) help maint info breakpoints" } # } gdb_test "help maint info" \ "Commands for showing internal info about the program being debugged.*unambiguous\\..*" test_prefix_command_help {"maint print" "maintenance print"} { "Maintenance command for printing GDB internal state\\.\[\r\n\]+" } test_prefix_command_help {"maint" "maintenance"} { "Commands for use by GDB maintainers\\.\[\r\n\]+" "Includes commands to dump specific internal GDB structures in\[\r\n\]+" "a human readable form, to cause GDB to deliberately dump core,\[\r\n\]+" "to test internal functions such as the C\\+\\+/ObjC demangler, etc\\.\[\r\n\]+" } #set oldtimeout $timeout #set timeout [expr $timeout + 300] gdb_test_multiple "maint dump-me" "maint dump-me" { -re "Should GDB dump core.*\\(y or n\\) $" { gdb_test "n" ".*" "maint dump-me" } } send_gdb "maint internal-error\n" gdb_expect { -re "A problem internal to GDB has been detected" { pass "maint internal-error" if [gdb_internal_error_resync] { pass "internal-error resync" } else { fail "internal-error resync" } } -re ".*$gdb_prompt $" { fail "maint internal-error" untested "internal-error resync" } timeout { fail "maint internal-error (timeout)" untested "internal-error resync" } } #set timeout $oldtimeout gdb_exit return 0