gdb/testsuite/gdb.base/interrupt.exp

   1 # Copyright 1994-2015 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 if [target_info exists gdb,nointerrupts] {
  17     verbose "Skipping interrupt.exp because of nointerrupts."
  18     continue
  19 }
  20
  21 if [target_info exists gdb,noinferiorio] {
  22     verbose "Skipping interrupt.exp because of noinferiorio."
  23     return
  24 }
  25
  26
  27 standard_testfile
  28
  29 set options { debug }
  30 if { ! [target_info exists gdb,nosignals] } {
  31     lappend options "additional_flags=-DSIGNALS"
  32 }
  33
  34 if {[build_executable $testfile.exp $testfile $srcfile $options] == -1} {
  35     untested $testfile.exp
  36     return -1
  37 }
  38
  39 gdb_start
  40
  41
  42 if ![file exists $binfile] then {
  43     perror "$binfile does not exist."
  44     return 0
  45 } else {
  46     gdb_reinitialize_dir $srcdir/$subdir
  47     gdb_load $binfile
  48     # Hope this is unix :-)
  49     gdb_test "shell stty intr '^C'" ".*" \
  50         "set interrupt character in interrupt.exp"
  51     if [runto_main] then {
  52         set msg "process is alive"
  53         gdb_test_multiple "continue" $msg {
  54             -re "\r\ntalk to me baby\r\n" {
  55                 pass $msg
  56             }
  57         }
  58
  59         # This should appear twice, once for the echo and once for the
  60         # program's output.
  61
  62         set msg "child process ate our char"
  63         send_gdb "a\n"
  64         gdb_test_multiple "" $msg {
  65             -re "^a\r\na\r\n$" {
  66                 pass $msg
  67             }
  68         }
  69
  70         # Wait until the program is in the read system call again.
  71         sleep 2
  72
  73         # Cntrl-c may fail for simulator targets running on a BSD host.
  74         # This is the result of a combination of the read syscall
  75         # being restarted and gdb capturing the cntrl-c signal.
  76
  77         # Cntrl-c may fail for simulator targets on slow hosts.
  78         # This is because there is a race condition between entering
  79         # the read and delivering the cntrl-c.
  80
  81         send_gdb "\003"
  82         set msg "send_gdb control C"
  83         gdb_test_multiple "" $msg {
  84             -re "Program received signal SIGINT.*$gdb_prompt $" {
  85                 pass $msg
  86             }
  87         }
  88
  89         set msg "call function when asleep"
  90         send_gdb "p func1 ()\n"
  91         gdb_test_multiple "" $msg {
  92             -re " = 4.*$gdb_prompt $" {
  93                 pass $msg
  94             }
  95             -re ".*Program received signal SIG(SEGV|ILL).*$gdb_prompt $" {
  96                 setup_xfail "i*86-pc-linux*-gnu*"
  97                 fail "child died when we called func1, skipped rest of tests"
  98                 return
  99             }
 100             -re "$gdb_prompt $" {
 101                 # On HPUX-11.0 'send "p func1 ()"' above
 102                 # terminates the program. A defect is pending on this
 103                 # issue [defect #DTS CHFts24203]. Hence calling setup_xfail
 104                 # below.
 105                 setup_xfail "hppa*-*-*11*" CHFts24203
 106                 fail "call function when asleep (wrong output)"
 107             }
 108             default {
 109
 110                 # This fail probably happens whenever we use /proc (we
 111                 # don't use PRSABORT), but apparently also happens on
 112                 # other machines as well.
 113
 114                 setup_xfail "sparc*-*-solaris2*"
 115                 setup_xfail "i*86-*-solaris2*"
 116                 setup_xfail "*-*-sysv4*"
 117                 setup_xfail "vax-*-*"
 118                 setup_xfail "alpha-*-*"
 119                 setup_xfail "*-*-*bsd*"
 120                 setup_xfail "*-*-hpux*"
 121                 setup_xfail "*-*-*lynx*"
 122                 fail "$msg (stays asleep)"
 123                 # Send_Gdb a newline to wake it up
 124                 send_gdb "\n"
 125                 gdb_test "" " = 4" "call function after waking it"
 126             }
 127         }
 128
 129         # Now try calling the function again.
 130         gdb_test "p func1 ()" " = 4" "call function a second time"
 131
 132         # And the program should still be doing the same thing.
 133         # The optional trailing \r\n is in case we sent a newline above
 134         # to wake the program, in which case the program now sends it
 135         # back.  We check for it either here or in the next gdb_expect
 136         # command, because which one it ends up in is timing dependent.
 137         send_gdb "continue\n"
 138         # For some reason, i386-*-sysv4 gdb fails to issue the Continuing
 139         # message, but otherwise appears normal (FIXME).
 140
 141         set msg "continue"
 142         gdb_test_multiple "" "$msg" {
 143             -re "^continue\r\nContinuing.\r\n(\r\n|)$" {
 144                 pass $msg
 145             }
 146             -re "^continue\r\n\r\n" {
 147                 fail "$msg (missing Continuing.)"
 148             }
 149         }
 150
 151         send_gdb "data\n"
 152         # The optional leading \r\n is in case we sent a newline above
 153         # to wake the program, in which case the program now sends it
 154         # back.
 155         # FIXME: The pattern below leads to an expected success on HPUX-11.0
 156         # but the success is spurious. Need to provide the right reg.expr.
 157         # here.
 158
 159         set msg "echo data"
 160         gdb_test_multiple "" $msg {
 161             -re "^(\r\n|)data\r\ndata\r\n$" {
 162                 pass $msg
 163             }
 164             -re "Undefined command.*$gdb_prompt " {
 165                 fail $msg
 166             }
 167         }
 168
 169         if { ! [target_info exists gdb,nosignals] } {
 170             # Wait until the program is in the read system call again.
 171             sleep 2
 172
 173             # Stop the program for another test.
 174             set msg "Send Control-C, second time"
 175             send_gdb "\003"
 176             gdb_test_multiple "" "$msg" {
 177                 -re "Program received signal SIGINT.*$gdb_prompt $" {
 178                     pass "$msg"
 179                 }
 180             }
 181
 182             # The "signal" command should deliver the correct signal and
 183             # return to the loop.
 184             set msg "signal SIGINT"
 185             gdb_test_multiple "signal SIGINT" "$msg" {
 186                 -re "^signal SIGINT\r\nContinuing with signal SIGINT.\r\n(\r\n|)$" {
 187                     pass "$msg"
 188                 }
 189             }
 190
 191             # We should be back in the loop.
 192             send_gdb "more data\n"
 193
 194             set msg "echo more data"
 195             gdb_test_multiple "" $msg {
 196                 -re "^(\r\n|)more data\r\nmore data\r\n$" {
 197                     pass $msg
 198                 }
 199             }
 200         }
 201
 202         set msg "send end of file"
 203         send_gdb "\004"
 204         gdb_test_multiple "" $msg {
 205             -re "end of file.*$inferior_exited_re normally.*$gdb_prompt $" {
 206                 pass $msg
 207             }
 208         }
 209     }
 210 }
 211 return 0