gdb/testsuite/gdb.base/display.exp

   1 #   Copyright 1997, 1998, 1999, 2000, 2001, 2003, 2007, 2008
   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 3 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, see <http://www.gnu.org/licenses/>.
  16
  17 # display.exp   Test display commands
  18 #               Also do some printing stuff for coverage's sake.
  19 #
  20 if $tracelevel then {
  21         strace $tracelevel
  22 }
  23
  24 set testfile display
  25 set srcfile  ${testfile}.c
  26 set binfile  ${objdir}/${subdir}/${testfile}
  27
  28
  29
  30 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } {
  31     untested display.exp
  32     return -1
  33 }
  34 if [target_info exists gdb_stub] {
  35     gdb_step_for_stub;
  36 }
  37
  38 # Preserve the old timeout, and set a new one that should be
  39 # sufficient to avoid timing out during this test.
  40 set oldtimeout $timeout
  41 set timeout [expr "$timeout + 60"]
  42 verbose "Timeout is now $timeout seconds" 2
  43
  44 # use this to debug:
  45 #log_user 1
  46
  47 gdb_exit
  48 gdb_start
  49 gdb_reinitialize_dir $srcdir/$subdir
  50 gdb_load ${binfile}
  51
  52 # Some coverage stuff
  53 #
  54 if ![target_info exists use_gdb_stub] {
  55     gdb_test "kill" ".*The program is not being run.*"
  56     gdb_test "detach" ".*"
  57     gdb_test "run" ".*"
  58
  59     gdb_load ${binfile}
  60     gdb_test "kill" ".*" "kill again"
  61     gdb_test "detach" ".*" "detach again"
  62
  63     gdb_exit
  64     gdb_start
  65     gdb_reinitialize_dir $srcdir/$subdir
  66     gdb_load ${binfile}
  67 }
  68
  69 # Ok, on to real life
  70 #
  71 if ![runto_main] then {
  72     fail "Could not run to main - other tests will fail."
  73     continue
  74 }
  75
  76 # Disable hardware watchpoints if necessary.
  77 if [target_info exists gdb,no_hardware_watchpoints] {
  78     gdb_test "set can-use-hw-watchpoints 0" "" ""
  79 }
  80
  81 gdb_test "break 14" ".*Breakpoint 2.*"           "break  do_loops"
  82 gdb_test "cont"     ".*Breakpoint 2, do_loops.*" "get to do_loops"
  83
  84 # Create stopping points.
  85 #
  86 gdb_test "watch sum"    ".*\[Ww\]atchpoint 3: sum.*" "set watch"
  87 gdb_test "break 19"     ".*Breakpoint 4.*" "break 19"
  88
  89 # Create displays for those points
  90 #
  91 gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp"
  92 gdb_test "disp i" ".*1: i = 0.*" "display i"
  93 gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j"
  94 gdb_test "disp/i &k" ".*3: x/i &k(\r\n|  )$hex:.*" "display &k"
  95 gdb_test "disp/f f" ".*4: /f f = 3.1415*" "display/f f"
  96 gdb_test "disp/s &sum" ".*5: x/s &sum  $hex.*sum.:.*" "display/s &sum"
  97
  98 # Hit the displays
  99 #
 100 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"
 101 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"
 102
 103 gdb_test "enab  disp 6" ".*No display number 6..*" "catch err"
 104 gdb_test "disab disp 1" ".*" "disab disp 1"
 105 gdb_test "disab disp 2" ".*" "disab disp 2"
 106 gdb_test "enab disp 1"  ".*" "re-enab"
 107 gdb_test "enab disp 1"  ".*" "re-enab of enab"
 108 gdb_test "undisp 5"     ".*" "undisp"
 109 gdb_test "info disp"    ".*Auto-display expressions now in effect.*y  /f f.*y  /1bi &k.*n  /x j.*y  i.*" "info disp"
 110
 111 gdb_test "cont" ".*\[Ww\]atch.*5.1415.*.*i = 0.*" "next hit"
 112
 113 send_gdb "undisp\n"
 114 gdb_expect {
 115     -re ".*Delete all auto-display expressions.*y or n. $" {
 116         send_gdb "y\n"
 117         gdb_expect {
 118             -re "y\r\n$gdb_prompt $" {
 119                 pass "undisp all"
 120             }
 121             -re ".*$gdb_prompt $" {
 122                 fail "some un-helpful response"
 123             }
 124             -re ".*Delete all.*$" {
 125                 fail "re-ask question"
 126             }
 127             timeout { fail "timeout" }
 128         }
 129     }
 130     -re ".*$gdb_prompt $" {
 131         fail "undisp all"
 132     }
 133     timeout { fail "timeout" }
 134 }
 135
 136 gdb_test "disab 3" ".*.*" "disab 3"
 137 gdb_test "cont" ".*Breakpoint 4.*" "watch off"
 138
 139 # Now the printf tests
 140 #
 141 # The "finish" command may leave us mid-line in the caller on some
 142 # targets, including but not limited to the m68k, i386 & PA.  So we
 143 # have to arrange to step until we hit the line with the call to
 144 # "do_vars".
 145 send_gdb "finish\n"
 146 gdb_expect {
 147     -re ".*do_loops\\(\\);.*$gdb_prompt $" {
 148         send_gdb "step\n"
 149         exp_continue
 150     }
 151     -re ".*do_vars.*$gdb_prompt $" {
 152         pass "finish"
 153     }
 154     -re ".*$gdb_prompt $" {
 155         fail "finish"
 156         gdb_suppress_tests
 157     }
 158     timeout  {
 159         fail "(timeout) finish"
 160         gdb_suppress_tests
 161     }
 162 }
 163
 164 gdb_test "step"      ".*do_vars.*.*27.*"
 165 gdb_test "tbreak 37" ".*breakpoint 5 a.*"
 166 gdb_test "cont"      ".*do_vars.*37.*37.*"
 167
 168 # Beat on printf a bit
 169 #
 170 gdb_test "printf" ".*Argument required.*"
 171 gdb_test "printf %d" ".*Bad format string, missing.*"
 172 gdb_test "printf \"%d" ".*Bad format string, non-terminated.*"
 173 gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*"
 174 gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*"
 175 gdb_test "printf \"\"" ".*" "re-set term"
 176 gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*"
 177 gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*"
 178 gdb_test "printf \"%p\\n\", 0" "\\(nil\\)"
 179 gdb_test "printf \"%p\\n\", 1" "0x1"
 180
 181 # play with "print", too
 182 #
 183 gdb_test "print/r j" ".*Undefined output format.*"
 184 gdb_test "print j"   ".*" "debug test output"
 185
 186 # x/0 j doesn't produce any output and terminates PA64 process when testing
 187 if [istarget "hppa2.0w-hp-hpux11*"] {
 188     xfail "'x/0 j' terminates PA64 process - skipped test point"
 189 } else {
 190     gdb_test "x/0 j" ".*"
 191 }
 192 if [istarget "hppa*-hp-hpux*"] {
 193     # on HP-UX you could access the first page without getting an error
 194     gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*"
 195 }
 196 gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j"
 197 gdb_test "print/s sum" " = 1000" "ignored s"
 198 gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i"
 199 gdb_test "print/a &sum" ".*= $hex.*<sum>.*"
 200 # If the constant below is larger than the length of main, then
 201 # this test will (incorrectly) fail.  So use a small number.
 202 gdb_test "print/a main+4" ".*= $hex.*<.*>.*"
 203 gdb_test "print/a \$pc" ".*= $hex.*<do_vars+.*>.*"
 204 gdb_test "print/a &&j" ".*A .* error in expression.*"
 205
 206 # Done!
 207 #
 208 gdb_exit
 209
 210 # Restore the preserved old timeout value.
 211 set timeout $oldtimeout
 212 verbose "Timeout is now $timeout seconds" 2
 213
 214 return 0