# Copyright 1997, 1998, 1999, 2000, 2001, 2003, 2007, 2008, 2009 # 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 . # display.exp Test display commands # Also do some printing stuff for coverage's sake. # if $tracelevel then { strace $tracelevel } set testfile display set srcfile ${testfile}.c set binfile ${objdir}/${subdir}/${testfile} if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } { untested display.exp return -1 } if [target_info exists gdb_stub] { gdb_step_for_stub; } # Preserve the old timeout, and set a new one that should be # sufficient to avoid timing out during this test. set oldtimeout $timeout set timeout [expr "$timeout + 60"] verbose "Timeout is now $timeout seconds" 2 # use this to debug: #log_user 1 gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_load ${binfile} # Some coverage stuff # if ![target_info exists use_gdb_stub] { gdb_test "kill" ".*The program is not being run.*" gdb_test "detach" ".*" gdb_test "run" ".*" gdb_load ${binfile} gdb_test "kill" ".*" "kill again" gdb_test "detach" ".*" "detach again" gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_load ${binfile} } # Ok, on to real life # if ![runto_main] then { fail "Could not run to main - other tests will fail." continue } # Disable hardware watchpoints if necessary. if [target_info exists gdb,no_hardware_watchpoints] { gdb_test "set can-use-hw-watchpoints 0" "" "" } set bp_location1 [gdb_get_line_number "set breakpoint 1 here"] gdb_test "break $bp_location1" ".*Breakpoint 2.*" "break do_loops" gdb_test "cont" ".*Breakpoint 2, do_loops.*" "get to do_loops" # Create stopping points. # gdb_test "watch sum" ".*\[Ww\]atchpoint 3: sum.*" "set watch" set bp_location2 [gdb_get_line_number "set breakpoint 2 here"] gdb_test "break $bp_location2" ".*Breakpoint 4.*" "break loop end" # Create displays for those points # gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp" gdb_test "disp i" ".*1: i = 0.*" "display i" gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j" gdb_test "disp/i &k" ".*3: x/i &k(\r\n| ) $hex:.*" "display &k" gdb_test "disp/f f" ".*4: /f f = 3.1415*" "display/f f" gdb_test "disp/s &sum" ".*5: x/s &sum $hex.*sum.:.*" "display/s &sum" # Hit the displays # gdb_test "cont" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f f = 3.1415\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0\r\n\[1-9\]*: i = 0.*" "first disp" gdb_test "cont" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f f = 4.1415\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0.*\[1-9\]*: i = 0.*" "second disp" gdb_test "enab disp 6" ".*No display number 6..*" "catch err" gdb_test "disab disp 1" ".*" "disab disp 1" gdb_test "disab disp 2" ".*" "disab disp 2" gdb_test "enab disp 1" ".*" "re-enab" gdb_test "enab disp 1" ".*" "re-enab of enab" gdb_test "undisp 5" ".*" "undisp" gdb_test "info disp" ".*Auto-display expressions now in effect.*y /f f.*y /1bi &k.*n /x j.*y i.*" "info disp" gdb_test "cont" ".*\[Ww\]atch.*5.1415.*.*i = 0.*" "next hit" send_gdb "undisp\n" gdb_expect { -re ".*Delete all auto-display expressions.*y or n. $" { send_gdb "y\n" gdb_expect { -re "y\r\n$gdb_prompt $" { pass "undisp all" } -re ".*$gdb_prompt $" { fail "some un-helpful response" } -re ".*Delete all.*$" { fail "re-ask question" } timeout { fail "timeout" } } } -re ".*$gdb_prompt $" { fail "undisp all" } timeout { fail "timeout" } } gdb_test "disab 3" ".*.*" "disab 3" gdb_test "cont" ".*Breakpoint 4.*" "watch off" # Now the printf tests # # The "finish" command may leave us mid-line in the caller on some # targets, including but not limited to the m68k, i386 & PA. So we # have to arrange to step until we hit the line with the call to # "do_vars". send_gdb "finish\n" gdb_expect { -re ".*do_loops\\(\\);.*$gdb_prompt $" { send_gdb "step\n" exp_continue } -re ".*do_vars.*$gdb_prompt $" { pass "finish" } -re ".*$gdb_prompt $" { fail "finish" gdb_suppress_tests } timeout { fail "(timeout) finish" gdb_suppress_tests } } gdb_test "step" ".*do_vars.*.*i = 9.*" set bp_location3 [gdb_get_line_number "set breakpoint 3 here"] gdb_test "tbreak $bp_location3" ".*breakpoint 5 a.*" "tbreak in do_vars" gdb_test "cont" ".*do_vars.*$bp_location3.*$bp_location3.*" # Beat on printf a bit # gdb_test "printf" ".*Argument required.*" gdb_test "printf %d" ".*Bad format string, missing.*" gdb_test "printf \"%d" ".*Bad format string, non-terminated.*" gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*" gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*" gdb_test "printf \"\"" ".*" "re-set term" gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*" gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*" gdb_test "printf \"%p\\n\", 0" "\\(nil\\)" gdb_test "printf \"%p\\n\", 1" "0x1" # play with "print", too # gdb_test "print/z j" ".*Undefined output format.*" gdb_test "print/d j" " = 0\[\\r\\n\]+" "debug test output 1" gdb_test "print/r j" " = 0\[\\r\\n\]+" "debug test output 1a" gdb_test "print/x j" " = 0x0\[\\r\\n\]+" "debug test output 2" gdb_test "print/r j" " = 0x0\[\\r\\n\]+" "debug test output 2a" gdb_test "print j" " = 0\[\\r\\n\]+" "debug test output 3" # x/0 j doesn't produce any output and terminates PA64 process when testing if [istarget "hppa2.0w-hp-hpux11*"] { xfail "'x/0 j' terminates PA64 process - skipped test point" } else { gdb_test "x/0 j" ".*" } if [istarget "hppa*-hp-hpux*"] { # on HP-UX you could access the first page without getting an error gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*" } gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j" gdb_test "print/s sum" " = 1000" "ignored s" gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i" gdb_test "print/a &sum" ".*= $hex.*.*" # If the constant below is larger than the length of main, then # this test will (incorrectly) fail. So use a small number. gdb_test "print/a main+4" ".*= $hex.*<.*>.*" gdb_test "print/a \$pc" ".*= $hex.*.*" gdb_test "print/a &&j" ".*A .* error in expression.*" # Done! # gdb_exit # Restore the preserved old timeout value. set timeout $oldtimeout verbose "Timeout is now $timeout seconds" 2 return 0