gdb/testsuite/gdb.base/interrupt.exp

   1 # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2007, 2008, 2009, 2010
   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 if [target_info exists gdb,nointerrupts] {
  18     verbose "Skipping interrupt.exp because of nointerrupts."
  19     continue
  20 }
  21
  22 if [target_info exists gdb,noinferiorio] {
  23     verbose "Skipping interrupt.exp because of noinferiorio."
  24     return
  25 }
  26
  27 if $tracelevel then {
  28         strace $tracelevel
  29 }
  30
  31
  32 set testfile interrupt
  33 set srcfile ${testfile}.c
  34 set binfile ${objdir}/${subdir}/${testfile}
  35
  36 set options { debug }
  37 if { ! [target_info exists gdb,nosignals] } {
  38     lappend options "additional_flags=-DSIGNALS"
  39 }
  40
  41 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options] != "" } {
  42      untested interrupt.exp
  43      return -1
  44 }
  45
  46 gdb_start
  47
  48
  49 if ![file exists $binfile] then {
  50     perror "$binfile does not exist."
  51     return 0
  52 } else {
  53     gdb_reinitialize_dir $srcdir/$subdir
  54     gdb_load $binfile
  55     # Hope this is unix :-)
  56     gdb_test "shell stty intr '^C'" ".*" \
  57         "set interrupt character in interrupt.exp"
  58     if [runto_main] then {
  59         send_gdb "continue\n"
  60         gdb_expect {
  61             -re "\r\ntalk to me baby\r\n$" {
  62                 pass "child process is alive"
  63             }
  64             timeout { fail "run (timeout)" }
  65             eof { fail "run (eof)" }
  66         }
  67         # This should appear twice, once for the echo and once for the
  68         # program's output.  Under dejagnu (but not interactively) for
  69         # SunOS4, it only appears once.  Don't worry about it, I imagine
  70         # dejagnu has just done something to the tty modes.
  71         send_gdb "a\n"
  72         gdb_expect {
  73             -re "^a\r\n(|a\r\n)$" {
  74                 pass "child process ate our char"
  75             }
  76             timeout { fail "echo a (timeout)" }
  77             eof { fail "echo a (eof)" }
  78         }
  79         # Wait until the program is in the read system call again.
  80         sleep 2
  81
  82         # Cntrl-c may fail for simulator targets running on a BSD host.
  83         # This is the result of a combination of the read syscall
  84         # being restarted and gdb capturing the cntrl-c signal.
  85
  86         # Cntrl-c may fail for simulator targets on slow hosts.
  87         # This is because there is a race condition between entering
  88         # the read and delivering the cntrl-c.
  89
  90         send_gdb "\003"
  91         gdb_expect {
  92             -re "Program received signal SIGINT.*$gdb_prompt $" {
  93                 pass "send_gdb control C"
  94             }
  95             -re ".*$gdb_prompt $" { fail "send_gdb control C" }
  96             timeout { fail "send_gdb control C (timeout)" }
  97             eof { fail "send_gdb control C (eof)" }
  98         }
  99
 100         send_gdb "p func1 ()\n"
 101         gdb_expect {
 102             -re " = 4.*$gdb_prompt $" { pass "call function when asleep" }
 103             -re ".*Program received signal SIG(SEGV|ILL).*$gdb_prompt $" {
 104                 setup_xfail "i*86-pc-linux*-gnu*"
 105                 fail "child died when we called func1, skipped rest of tests"
 106                 return
 107             }
 108             -re "$gdb_prompt $" {
 109                 # On HPUX-11.0 'send "p func1 ()"' above
 110                 # terminates the program. A defect is pending on this
 111                 # issue [defect #DTS CHFts24203]. Hence calling setup_xfail
 112                 # below.
 113                 setup_xfail "hppa*-*-*11*" CHFts24203
 114                 fail "call function when asleep (wrong output)"
 115             }
 116             default {
 117
 118                 # This fail probably happens whenever we use /proc (we
 119                 # don't use PRSABORT), but apparently also happens on
 120                 # other machines as well.
 121
 122                 setup_xfail "sparc*-*-solaris2*"
 123                 setup_xfail "mips-*-ultrix*"
 124                 setup_xfail "i*86-*-solaris2*"
 125                 setup_xfail "*-*-sysv4*"
 126                 setup_xfail "vax-*-*"
 127                 setup_xfail "alpha-*-*"
 128                 setup_xfail "*-*-*bsd*"
 129                 setup_xfail "*-*-irix*"
 130                 setup_xfail "*-*-hpux*"
 131                 setup_xfail "*-*-*lynx*"
 132                 fail "call function when asleep (stays asleep)"
 133                 # Send_Gdb a newline to wake it up
 134                 send_gdb "\n"
 135                 gdb_test "" " = 4" "call function after waking it"
 136             }
 137 #           eof { fail "call function when asleep (eof)" }
 138         }
 139
 140         # Now try calling the function again.
 141         gdb_test "p func1 ()" " = 4" "call function a second time"
 142
 143         # And the program should still be doing the same thing.
 144         # The optional trailing \r\n is in case we sent a newline above
 145         # to wake the program, in which case the program now sends it
 146         # back.  We check for it either here or in the next gdb_expect
 147         # command, because which one it ends up in is timing dependent.
 148         send_gdb "continue\n"
 149         # For some reason, i386-*-sysv4 gdb fails to issue the Continuing
 150         # message, but otherwise appears normal (FIXME).
 151         gdb_expect {
 152             -re "^continue\r\nContinuing.\r\n(\r\n|)$" { pass "continue" }
 153             -re "^continue\r\n\r\n" { fail "continue (missing Continuing.)" }
 154             -re "$gdb_prompt $" { fail "continue" }
 155             timeout { fail "continue (timeout)" }
 156             eof { fail "continue (eof)" }
 157         }
 158
 159         send_gdb "data\n"
 160         # The optional leading \r\n is in case we sent a newline above
 161         # to wake the program, in which case the program now sends it
 162         # back.
 163         # FIXME: The pattern below leads to an expected success on HPUX-11.0
 164         # but the success is spurious. Need to provide the right reg.expr.
 165         # here.
 166         gdb_expect {
 167             -re "^(\r\n|)data\r\n(|data\r\n)$" { pass "echo data" }
 168             -re "Undefined command.*$gdb_prompt " { fail "echo data" }
 169             timeout { fail "echo data (timeout)" }
 170             eof { fail "echo data (eof)" }
 171         }
 172
 173         if { ! [target_info exists gdb,nosignals] } {
 174             # Wait until the program is in the read system call again.
 175             sleep 2
 176
 177             # Stop the program for another test.
 178             set msg "Send Control-C, second time"
 179             send_gdb "\003"
 180             gdb_test_multiple "" "$msg" {
 181                 -re "Program received signal SIGINT.*$gdb_prompt $" {
 182                     pass "$msg"
 183                 }
 184             }
 185
 186             # The "signal" command should deliver the correct signal and
 187             # return to the loop.
 188             set msg "signal SIGINT"
 189             gdb_test_multiple "signal SIGINT" "$msg" {
 190                 -re "^signal SIGINT\r\nContinuing with signal SIGINT.\r\n(\r\n|)$" { pass "$msg" }
 191             }
 192
 193             # We should be back in the loop.
 194             send_gdb "more data\n"
 195             gdb_expect {
 196                 -re "^(\r\n|)more data\r\n(|more data\r\n)$" { pass "echo more data" }
 197                 timeout { fail "echo more data (timeout)" }
 198                 eof { fail "echo more data (eof)" }
 199             }
 200         }
 201
 202         send_gdb "\004"
 203         gdb_expect {
 204             -re "end of file.*Program exited normally.*$gdb_prompt $" {
 205                 pass "send end of file"
 206             }
 207             -re "$gdb_prompt $" { fail "send end of file" }
 208             timeout { fail "send end of file (timeout)" }
 209             eof { fail "send end of file (eof)" }
 210         }
 211     }
 212 }
 213 return 0