gdb/testsuite/gdb.base/display.exp

   1 #   Copyright (C) 1997, 1998
   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  ${srcdir}/${subdir}/${testfile}.c
  30 set binfile  ${objdir}/${subdir}/${testfile}
  31
  32
  33
  34 if  { [gdb_compile "${srcfile}" "${binfile}" executable {debug additional_flags=-w}] != "" } {
  35     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  36 }
  37 if [target_info exists gdb_stub] {
  38     gdb_step_for_stub;
  39 }
  40
  41
  42 # use this to debug:
  43 #log_user 1
  44
  45 gdb_exit
  46 gdb_start
  47 gdb_reinitialize_dir $srcdir/$subdir
  48 gdb_load ${binfile}
  49
  50 # Some coverage stuff
  51 #
  52 gdb_test "kill" ".*The program is not being run.*"
  53 gdb_test "detach" ".*"
  54 gdb_test "run" ".*"
  55
  56 gdb_load ${binfile}
  57 gdb_test "kill" ".*"
  58 gdb_test "detach" ".*"
  59
  60 # Ok, on to real life
  61 #
  62
  63 gdb_exit
  64 gdb_start
  65 gdb_reinitialize_dir $srcdir/$subdir
  66 gdb_load ${binfile}
  67
  68 if ![runto_main] then {
  69     fail "Could not run to main - other tests will fail."
  70     continue
  71 }
  72
  73 # Disable hardware watchpoints if necessary.
  74 if [target_info exists gdb,no_hardware_watchpoints] {
  75     gdb_test "set can-use-hw-watchpoints 0" "" ""
  76 }
  77
  78 gdb_test "break 14" ".*Breakpoint 2.*"           "break  do_loops"
  79 gdb_test "cont"     ".*Breakpoint 2, do_loops.*" "get to do_loops"
  80
  81 # Create stopping points.
  82 #
  83 gdb_test "watch sum"    ".*\[Ww\]atchpoint 3: sum.*" "set watch"
  84 gdb_test "break 19"     ".*Breakpoint 4.*" "break 19"
  85
  86 # Create displays for those points
  87 #
  88 gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp"
  89 gdb_test "disp i" ".*1: i = 0.*" "display i"
  90 gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j"
  91 gdb_test "disp/i &k" ".*3: x/i &k  $hex:.*" "display &k"
  92 gdb_test "disp/f sum" ".*4: /f sum = 0.*" "display/f sum"
  93 gdb_test "disp/s &sum" ".*5: x/s &sum  $hex.*sum.:.*" "display/s &sum"
  94
  95 # Hit the displays
  96 #
  97 gdb_test "cont" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f sum = 1.40129846e.45\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0\r\n\[1-9\]*: i = 0.*" "first disp"
  98 gdb_test "cont" ".*\[Ww\]atchpoint 3: sum.*\[1-9\]*: x/s &sum.*\[1-9\]*: /f sum = 2.80259693e.45\r\n\[1-9\]*: x/i &k.*\r\n\[1-9\]*: /x j = 0x0.*\[1-9\]*: i = 0.*" "second disp"
  99
 100 gdb_test "enab  disp 6" ".*No display number 6..*" "catch err"
 101 gdb_test "disab disp 1" ".*" "disab disp 1"
 102 gdb_test "disab disp 2" ".*" "disab disp 2"
 103 gdb_test "enab disp 1"  ".*" "re-enab"
 104 gdb_test "enab disp 1"  ".*" "re-enab of enab"
 105 gdb_test "undisp 5"     ".*" "undisp"
 106 gdb_test "info disp"    ".*Auto-display expressions now in effect.*y  /f sum.*y  /1bi &k.*n  /x j.*y  i.*" "info disp"
 107
 108 gdb_test "cont" ".*\[Ww\]atch.*4.20389539e-45.*.*i = 0.*" "next hit"
 109
 110 send_gdb "undisp\n"
 111 gdb_expect {
 112     -re ".*Delete all auto-display expressions.*y or n. $" {
 113         send_gdb "y\n"
 114         gdb_expect {
 115             -re "y\r\n$gdb_prompt $" {
 116                 pass "undisp all"
 117             }
 118             -re ".*$gdb_prompt $" {
 119                 fail "some un-helpful response"
 120             }
 121             -re ".*Delete all.*$" {
 122                 fail "re-ask question"
 123             }
 124             timeout { fail "timeout" }
 125         }
 126     }
 127     -re ".*$gdb_prompt $" {
 128         fail "undisp all"
 129     }
 130     timeout { fail "timeout" }
 131 }
 132
 133 gdb_test "disab 3" ".*.*" "disab 3"
 134 gdb_test "cont" ".*Breakpoint 4.*" "watch off"
 135
 136 # Now the printf tests
 137 #
 138 # The "finish" command may leave us mid-line in the caller on some
 139 # targets, including but not limited to the m68k, i386 & PA.  So we
 140 # have to arrange to step until we hit the line with the call to
 141 # "do_vars".
 142 send_gdb "finish\n"
 143 gdb_expect {
 144     -re ".*do_loops\\(\\);.*$gdb_prompt $" {
 145         send_gdb "step\n"
 146         exp_continue
 147     }
 148     -re ".*do_vars.*$gdb_prompt $" {
 149         pass "finish"
 150     }
 151     -re ".*$gdb_prompt $" {
 152         fail "finish"
 153         gdb_suppress_tests
 154     }
 155     timeout  {
 156         fail "(timeout) finish"
 157         gdb_suppress_tests
 158     }
 159 }
 160
 161 gdb_test "step"      ".*do_vars.*.*27.*"
 162 gdb_test "tbreak 37" ".*Breakpoint 5 a.*"
 163 gdb_test "cont"      ".*do_vars.*37.*37.*"
 164
 165 # Beat on printf a bit
 166 #
 167 gdb_test "printf" ".*Argument required.*"
 168 gdb_test "printf %d" ".*Bad format string, missing.*"
 169 gdb_test "printf \"%d" ".*Bad format string, non-terminated.*"
 170 gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*"
 171 gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*"
 172 gdb_test "printf \"\"" ".*" "re-set term"
 173 gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*"
 174 gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*"
 175
 176 # play with "print", too
 177 #
 178 gdb_test "print/r j" ".*Undefined output format.*"
 179 gdb_test "print j"   ".*" "debug test output"
 180
 181 # x/0 j doesn't produce any output and terminates PA64 process when testing
 182 if [istarget "hppa2.0w-hp-hpux11*"] {
 183     xfail "'x/0 j' terminates PA64 process - skipped test point"
 184 } else {
 185     gdb_test "x/0 j" ".*"
 186 }
 187 if [istarget "hppa*-hp-hpux*"] {
 188     # on HP-UX you could access the first page without getting an error
 189     gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*"
 190 }
 191 gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j"
 192 gdb_test "print/s sum" ".*Format letter.*is meaningless.*" " no s"
 193 gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i"
 194 gdb_test "print/a &sum" ".*= $hex.*<sum>.*"
 195 # If the constant below is larger than the length of main, then
 196 # this test will (incorrectly) fail.  So use a small number.
 197 gdb_test "print/a main+4" ".*= $hex.*<.*>.*"
 198 gdb_test "print/a \$pc" ".*= $hex.*<do_vars+.*>.*"
 199 gdb_test "print/a &&j" ".*A .* error in expression.*"
 200
 201 # Done!
 202 #
 203 gdb_exit
 204 return 0