1# Copyright 1997, 1998, 1999, 2000, 2001, 2003, 2007, 2008, 2009, 2010, 2011 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# 20if $tracelevel then { 21 strace $tracelevel 22} 23 24set testfile display 25set srcfile ${testfile}.c 26set binfile ${objdir}/${subdir}/${testfile} 27 28 29 30if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } { 31 untested display.exp 32 return -1 33} 34if [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. 40set oldtimeout $timeout 41set timeout [expr "$timeout + 60"] 42verbose "Timeout is now $timeout seconds" 2 43 44# use this to debug: 45#log_user 1 46 47gdb_exit 48gdb_start 49gdb_reinitialize_dir $srcdir/$subdir 50gdb_load ${binfile} 51 52# Some coverage stuff 53# 54if ![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# 71if ![runto_main] then { 72 fail "Could not run to main - other tests will fail." 73 continue 74} 75 76# Disable hardware watchpoints if necessary. 77if [target_info exists gdb,no_hardware_watchpoints] { 78 gdb_test_no_output "set can-use-hw-watchpoints 0" "" 79} 80 81set bp_location1 [gdb_get_line_number "set breakpoint 1 here"] 82gdb_test "break $bp_location1" ".*Breakpoint 2.*" "break do_loops" 83gdb_test "cont" ".*Breakpoint 2, do_loops.*" "get to do_loops" 84 85# Create stopping points. 86# 87gdb_test "watch sum" ".*\[Ww\]atchpoint 3: sum.*" "set watch" 88set bp_location2 [gdb_get_line_number "set breakpoint 2 here"] 89gdb_test "break $bp_location2" ".*Breakpoint 4.*" "break loop end" 90 91# Create displays for those points 92# 93gdb_test "info disp" ".*There are no auto-display expressions now..*" "inf disp" 94gdb_test "disp i" ".*1: i = 0.*" "display i" 95gdb_test "disp/x j" ".*2: /x j = 0x0.*" "display j" 96gdb_test "disp/i &k" ".*3: x/i &k(\r\n| ) $hex:.*" "display &k" 97gdb_test "disp/f f" ".*4: /f f = 3.1415*" "display/f f" 98gdb_test "disp/s &sum" ".*5: x/s &sum $hex.*sum.:.*" "display/s &sum" 99 100# Hit the displays 101# 102gdb_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" 103gdb_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" 104 105gdb_test "enab disp 6" ".*No display number 6..*" "catch err" 106gdb_test_no_output "disab disp 1" "disab disp 1" 107gdb_test_no_output "disab disp 2" "disab disp 2" 108gdb_test_no_output "enab disp 1" "re-enab" 109gdb_test_no_output "enab disp 1" "re-enab of enab" 110gdb_test_no_output "undisp 5" "undisp" 111gdb_test "info disp" ".*Auto-display expressions now in effect.*y /f f.*y /1bi &k.*n /x j.*y i.*" "info disp" 112 113gdb_test "cont" ".*\[Ww\]atch.*5.1415.*.*i = 0.*" "next hit" 114 115gdb_test "undisp" \ 116 "" \ 117 "undisp all" \ 118 ".*Delete all auto-display expressions.*y or n. $" \ 119 "y" 120 121 122gdb_test "disab 3" ".*.*" "disab 3" 123gdb_test "cont" ".*Breakpoint 4.*" "watch off" 124 125# Now the printf tests 126# 127# The "finish" command may leave us mid-line in the caller on some 128# targets, including but not limited to the m68k, i386 & PA. So we 129# have to arrange to step until we hit the line with the call to 130# "do_vars". 131gdb_test_multiple "finish" "finish" { 132 -re ".*do_loops\\(\\);.*$gdb_prompt $" { 133 send_gdb "step\n" 134 exp_continue 135 } 136 -re ".*do_vars.*$gdb_prompt $" { 137 pass "finish" 138 } 139} 140 141gdb_test "step" ".*do_vars.*.*i = 9.*" 142set bp_location3 [gdb_get_line_number "set breakpoint 3 here"] 143gdb_test "tbreak $bp_location3" ".*breakpoint 5 a.*" "tbreak in do_vars" 144gdb_test "cont" ".*do_vars.*$bp_location3.*$bp_location3.*" 145 146# Beat on printf a bit 147# 148gdb_test "printf" ".*Argument required.*" 149gdb_test "printf %d" ".*Bad format string, missing.*" 150gdb_test "printf \"%d" ".*Bad format string, non-terminated.*" 151gdb_test "printf \"%d%d\",i" ".*Wrong number of arguments.*" 152gdb_test "printf \"\\\\!\\a\\f\\r\\t\\v\\b\\n\"" ".*!.*" 153gdb_test_no_output "printf \"\"" "re-set term" 154gdb_test "printf \"\\w\"" ".*Unrecognized escape character.*" 155gdb_test "printf \"%d\" j" ".*Invalid argument syntax.*" 156gdb_test "printf \"%p\\n\", 0" "\\(nil\\)" 157gdb_test "printf \"%p\\n\", 1" "0x1" 158 159# play with "print", too 160# 161gdb_test "print/z j" ".*Undefined output format.*" 162gdb_test "print/d j" " = 0\[\\r\\n\]+" "debug test output 1" 163gdb_test "print/r j" " = 0\[\\r\\n\]+" "debug test output 1a" 164gdb_test "print/x j" " = 0x0\[\\r\\n\]+" "debug test output 2" 165gdb_test "print/r j" " = 0x0\[\\r\\n\]+" "debug test output 2a" 166gdb_test "print j" " = 0\[\\r\\n\]+" "debug test output 3" 167 168# x/0 j doesn't produce any output and terminates PA64 process when testing 169if [istarget "hppa2.0w-hp-hpux11*"] { 170 xfail "'x/0 j' terminates PA64 process - skipped test point" 171} else { 172 gdb_test_no_output "x/0 j" 173} 174if [istarget "hppa*-hp-hpux*"] { 175 # on HP-UX you could access the first page without getting an error 176 gdb_test "x/rx j" ".*(Cannot access|Error accessing) memory.*|.*0xa:\[ \t\]*\[0-9\]+.*" 177} 178gdb_test "print/0 j" ".*Item count other than 1 is meaningless.*" "print/0 j" 179gdb_test "print/s sum" " = 1000" "ignored s" 180gdb_test "print/i sum" ".*Format letter.*is meaningless.*.*" "no i" 181gdb_test "print/a &sum" ".*= $hex.*<sum>.*" 182# If the constant below is larger than the length of main, then 183# this test will (incorrectly) fail. So use a small number. 184gdb_test "print/a main+4" ".*= $hex.*<.*>.*" 185gdb_test "print/a \$pc" ".*= $hex.*<do_vars+.*>.*" 186gdb_test "print/a &&j" ".*A .* error in expression.*" 187 188# Done! 189# 190gdb_exit 191 192# Restore the preserved old timeout value. 193set timeout $oldtimeout 194verbose "Timeout is now $timeout seconds" 2 195 196return 0 197