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 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# Please email any bugs, comments, and/or additions to this file to: 18# bug-gdb@prep.ai.mit.edu 19 20# display.exp Test display commands 21# Also do some printing stuff for coverage's sake. 22# 23if $tracelevel then { 24 strace $tracelevel 25} 26 27set testfile display 28set srcfile ${testfile}.c 29set binfile ${objdir}/${subdir}/${testfile} 30 31 32 33if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } { 34 untested display.exp 35 return -1 36} 37if [target_info exists gdb_stub] { 38 gdb_step_for_stub; 39} 40 41# Preserve the old timeout, and set a new one that should be 42# sufficient to avoid timing out during this test. 43set oldtimeout $timeout 44set timeout [expr "$timeout + 60"] 45verbose "Timeout is now $timeout seconds" 2 46 47# use this to debug: 48#log_user 1 49 50gdb_exit 51gdb_start 52gdb_reinitialize_dir $srcdir/$subdir 53gdb_load ${binfile} 54 55# Some coverage stuff 56# 57if ![target_info exists use_gdb_stub] { 58 gdb_test "kill" ".*The program is not being run.*" 59 gdb_test "detach" ".*" 60 gdb_test "run" ".*" 61 62 gdb_load ${binfile} 63 gdb_test "kill" ".*" "kill again" 64 gdb_test "detach" ".*" "detach again" 65 66 gdb_exit 67 gdb_start 68 gdb_reinitialize_dir $srcdir/$subdir 69 gdb_load ${binfile} 70} 71 72# Ok, on to real life 73# 74if ![runto_main] then { 75 fail "Could not run to main - other tests will fail." 76 continue 77} 78 79# Disable hardware watchpoints if necessary. 80if [target_info exists gdb,no_hardware_watchpoints] { 81 gdb_test "set can-use-hw-watchpoints 0" "" "" 82} 83 84gdb_test "break 14" ".*Breakpoint 2.*" "break do_loops" 85gdb_test "cont" ".*Breakpoint 2, do_loops.*" "get to do_loops" 86 87# Create stopping points. 88# 89gdb_test "watch sum" ".*\[Ww\]atchpoint 3: sum.*" "set watch" 90gdb_test "break 19" ".*Breakpoint 4.*" "break 19" 91 92# Create displays for those points 93# 94gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp" 95gdb_test "disp i" ".*1: i = 0.*" "display i" 96gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j" 97gdb_test "disp/i &k" ".*3: x/i &k(\r\n| )$hex:.*" "display &k" 98gdb_test "disp/f f" ".*4: /f f = 3.1415*" "display/f f" 99gdb_test "disp/s &sum" ".*5: x/s &sum $hex.*sum.:.*" "display/s &sum" 100 101# Hit the displays 102# 103gdb_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" 104gdb_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" 105 106gdb_test "enab disp 6" ".*No display number 6..*" "catch err" 107gdb_test "disab disp 1" ".*" "disab disp 1" 108gdb_test "disab disp 2" ".*" "disab disp 2" 109gdb_test "enab disp 1" ".*" "re-enab" 110gdb_test "enab disp 1" ".*" "re-enab of enab" 111gdb_test "undisp 5" ".*" "undisp" 112gdb_test "info disp" ".*Auto-display expressions now in effect.*y /f f.*y /1bi &k.*n /x j.*y i.*" "info disp" 113 114gdb_test "cont" ".*\[Ww\]atch.*5.1415.*.*i = 0.*" "next hit" 115 116send_gdb "undisp\n" 117gdb_expect { 118 -re ".*Delete all auto-display expressions.*y or n. $" { 119 send_gdb "y\n" 120 gdb_expect { 121 -re "y\r\n$gdb_prompt $" { 122 pass "undisp all" 123 } 124 -re ".*$gdb_prompt $" { 125 fail "some un-helpful response" 126 } 127 -re ".*Delete all.*$" { 128 fail "re-ask question" 129 } 130 timeout { fail "timeout" } 131 } 132 } 133 -re ".*$gdb_prompt $" { 134 fail "undisp all" 135 } 136 timeout { fail "timeout" } 137} 138 139gdb_test "disab 3" ".*.*" "disab 3" 140gdb_test "cont" ".*Breakpoint 4.*" "watch off" 141 142# Now the printf tests 143# 144# The "finish" command may leave us mid-line in the caller on some 145# targets, including but not limited to the m68k, i386 & PA. So we 146# have to arrange to step until we hit the line with the call to 147# "do_vars". 148send_gdb "finish\n" 149gdb_expect { 150 -re ".*do_loops\\(\\);.*$gdb_prompt $" { 151 send_gdb "step\n" 152 exp_continue 153 } 154 -re ".*do_vars.*$gdb_prompt $" { 155 pass "finish" 156 } 157 -re ".*$gdb_prompt $" { 158 fail "finish" 159 gdb_suppress_tests 160 } 161 timeout { 162 fail "(timeout) finish" 163 gdb_suppress_tests 164 } 165} 166 167gdb_test "step" ".*do_vars.*.*27.*" 168gdb_test "tbreak 37" ".*Breakpoint 5 a.*" 169gdb_test "cont" ".*do_vars.*37.*37.*" 170 171# Beat on printf a bit 172# 173gdb_test "printf" ".*Argument required.*" 174gdb_test "printf %d" ".*Bad format string, missing.*" 175gdb_test "printf \"%d" ".*Bad format string, non-terminated.*" 176gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*" 177gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*" 178gdb_test "printf \"\"" ".*" "re-set term" 179gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*" 180gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*" 181gdb_test "printf \"%p\\n\", 0" "\\(nil\\)" 182gdb_test "printf \"%p\\n\", 1" "0x1" 183 184# play with "print", too 185# 186gdb_test "print/r j" ".*Undefined output format.*" 187gdb_test "print j" ".*" "debug test output" 188 189# x/0 j doesn't produce any output and terminates PA64 process when testing 190if [istarget "hppa2.0w-hp-hpux11*"] { 191 xfail "'x/0 j' terminates PA64 process - skipped test point" 192} else { 193 gdb_test "x/0 j" ".*" 194} 195if [istarget "hppa*-hp-hpux*"] { 196 # on HP-UX you could access the first page without getting an error 197 gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*" 198} 199gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j" 200gdb_test "print/s sum" " = 1000" "ignored s" 201gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i" 202gdb_test "print/a &sum" ".*= $hex.*<sum>.*" 203# If the constant below is larger than the length of main, then 204# this test will (incorrectly) fail. So use a small number. 205gdb_test "print/a main+4" ".*= $hex.*<.*>.*" 206gdb_test "print/a \$pc" ".*= $hex.*<do_vars+.*>.*" 207gdb_test "print/a &&j" ".*A .* error in expression.*" 208 209# Done! 210# 211gdb_exit 212 213# Restore the preserved old timeout value. 214set timeout $oldtimeout 215verbose "Timeout is now $timeout seconds" 2 216 217return 0 218