gdb/testsuite/gdb.base/display.exp

   1 #   Copyright 1997, 1998, 1999, 2000, 2001, 2003, 2007
   2 #   Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 2 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program; if not, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 # Please email any bugs, comments, and/or additions to this file to:
  19 # bug-gdb@prep.ai.mit.edu
  20
  21 # display.exp   Test display commands
  22 #               Also do some printing stuff for coverage's sake.
  23 #
  24 if $tracelevel then {
  25         strace $tracelevel
  26 }
  27
  28 set testfile display
  29 set srcfile  ${testfile}.c
  30 set binfile  ${objdir}/${subdir}/${testfile}
  31
  32
  33
  34 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  35     untested display.exp
  36     return -1
  37 }
  38 if [target_info exists gdb_stub] {
  39     gdb_step_for_stub;
  40 }
  41
  42 # Preserve the old timeout, and set a new one that should be
  43 # sufficient to avoid timing out during this test.
  44 set oldtimeout $timeout
  45 set timeout [expr "$timeout + 60"]
  46 verbose "Timeout is now $timeout seconds" 2
  47
  48 # use this to debug:
  49 #log_user 1
  50
  51 gdb_exit
  52 gdb_start
  53 gdb_reinitialize_dir $srcdir/$subdir
  54 gdb_load ${binfile}
  55
  56 # Some coverage stuff
  57 #
  58 if ![target_info exists use_gdb_stub] {
  59     gdb_test "kill" ".*The program is not being run.*"
  60     gdb_test "detach" ".*"
  61     gdb_test "run" ".*"
  62
  63     gdb_load ${binfile}
  64     gdb_test "kill" ".*" "kill again"
  65     gdb_test "detach" ".*" "detach again"
  66
  67     gdb_exit
  68     gdb_start
  69     gdb_reinitialize_dir $srcdir/$subdir
  70     gdb_load ${binfile}
  71 }
  72
  73 # Ok, on to real life
  74 #
  75 if ![runto_main] then {
  76     fail "Could not run to main - other tests will fail."
  77     continue
  78 }
  79
  80 # Disable hardware watchpoints if necessary.
  81 if [target_info exists gdb,no_hardware_watchpoints] {
  82     gdb_test "set can-use-hw-watchpoints 0" "" ""
  83 }
  84
  85 gdb_test "break 14" ".*Breakpoint 2.*"           "break  do_loops"
  86 gdb_test "cont"     ".*Breakpoint 2, do_loops.*" "get to do_loops"
  87
  88 # Create stopping points.
  89 #
  90 gdb_test "watch sum"    ".*\[Ww\]atchpoint 3: sum.*" "set watch"
  91 gdb_test "break 19"     ".*Breakpoint 4.*" "break 19"
  92
  93 # Create displays for those points
  94 #
  95 gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp"
  96 gdb_test "disp i" ".*1: i = 0.*" "display i"
  97 gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j"
  98 gdb_test "disp/i &k" ".*3: x/i &k  $hex:.*" "display &k"
  99 gdb_test "disp/f f" ".*4: /f f = 3.1415*" "display/f f"
 100 gdb_test "disp/s &sum" ".*5: x/s &sum  $hex.*sum.:.*" "display/s &sum"
 101
 102 # Hit the displays
 103 #
 104 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"
 105 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"
 106
 107 gdb_test "enab  disp 6" ".*No display number 6..*" "catch err"
 108 gdb_test "disab disp 1" ".*" "disab disp 1"
 109 gdb_test "disab disp 2" ".*" "disab disp 2"
 110 gdb_test "enab disp 1"  ".*" "re-enab"
 111 gdb_test "enab disp 1"  ".*" "re-enab of enab"
 112 gdb_test "undisp 5"     ".*" "undisp"
 113 gdb_test "info disp"    ".*Auto-display expressions now in effect.*y  /f f.*y  /1bi &k.*n  /x j.*y  i.*" "info disp"
 114
 115 gdb_test "cont" ".*\[Ww\]atch.*5.1415.*.*i = 0.*" "next hit"
 116
 117 send_gdb "undisp\n"
 118 gdb_expect {
 119     -re ".*Delete all auto-display expressions.*y or n. $" {
 120         send_gdb "y\n"
 121         gdb_expect {
 122             -re "y\r\n$gdb_prompt $" {
 123                 pass "undisp all"
 124             }
 125             -re ".*$gdb_prompt $" {
 126                 fail "some un-helpful response"
 127             }
 128             -re ".*Delete all.*$" {
 129                 fail "re-ask question"
 130             }
 131             timeout { fail "timeout" }
 132         }
 133     }
 134     -re ".*$gdb_prompt $" {
 135         fail "undisp all"
 136     }
 137     timeout { fail "timeout" }
 138 }
 139
 140 gdb_test "disab 3" ".*.*" "disab 3"
 141 gdb_test "cont" ".*Breakpoint 4.*" "watch off"
 142
 143 # Now the printf tests
 144 #
 145 # The "finish" command may leave us mid-line in the caller on some
 146 # targets, including but not limited to the m68k, i386 & PA.  So we
 147 # have to arrange to step until we hit the line with the call to
 148 # "do_vars".
 149 send_gdb "finish\n"
 150 gdb_expect {
 151     -re ".*do_loops\\(\\);.*$gdb_prompt $" {
 152         send_gdb "step\n"
 153         exp_continue
 154     }
 155     -re ".*do_vars.*$gdb_prompt $" {
 156         pass "finish"
 157     }
 158     -re ".*$gdb_prompt $" {
 159         fail "finish"
 160         gdb_suppress_tests
 161     }
 162     timeout  {
 163         fail "(timeout) finish"
 164         gdb_suppress_tests
 165     }
 166 }
 167
 168 gdb_test "step"      ".*do_vars.*.*27.*"
 169 gdb_test "tbreak 37" ".*Breakpoint 5 a.*"
 170 gdb_test "cont"      ".*do_vars.*37.*37.*"
 171
 172 # Beat on printf a bit
 173 #
 174 gdb_test "printf" ".*Argument required.*"
 175 gdb_test "printf %d" ".*Bad format string, missing.*"
 176 gdb_test "printf \"%d" ".*Bad format string, non-terminated.*"
 177 gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*"
 178 gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*"
 179 gdb_test "printf \"\"" ".*" "re-set term"
 180 gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*"
 181 gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*"
 182
 183 # play with "print", too
 184 #
 185 gdb_test "print/r j" ".*Undefined output format.*"
 186 gdb_test "print j"   ".*" "debug test output"
 187
 188 # x/0 j doesn't produce any output and terminates PA64 process when testing
 189 if [istarget "hppa2.0w-hp-hpux11*"] {
 190     xfail "'x/0 j' terminates PA64 process - skipped test point"
 191 } else {
 192     gdb_test "x/0 j" ".*"
 193 }
 194 if [istarget "hppa*-hp-hpux*"] {
 195     # on HP-UX you could access the first page without getting an error
 196     gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*"
 197 }
 198 gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j"
 199 gdb_test "print/s sum" ".*Format letter.*is meaningless.*" " no s"
 200 gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i"
 201 gdb_test "print/a &sum" ".*= $hex.*<sum>.*"
 202 # If the constant below is larger than the length of main, then
 203 # this test will (incorrectly) fail.  So use a small number.
 204 gdb_test "print/a main+4" ".*= $hex.*<.*>.*"
 205 gdb_test "print/a \$pc" ".*= $hex.*<do_vars+.*>.*"
 206 gdb_test "print/a &&j" ".*A .* error in expression.*"
 207
 208 # Done!
 209 #
 210 gdb_exit
 211
 212 # Restore the preserved old timeout value.
 213 set timeout $oldtimeout
 214 verbose "Timeout is now $timeout seconds" 2
 215
 216 return 0