gdb/testsuite/gdb.base/interrupt.exp

   1 # Copyright 1994-2000, 2007-2012 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 if $tracelevel then {
  27         strace $tracelevel
  28 }
  29
  30
  31 set testfile interrupt
  32 set srcfile ${testfile}.c
  33 set binfile ${objdir}/${subdir}/${testfile}
  34
  35 set options { debug }
  36 if { ! [target_info exists gdb,nosignals] } {
  37     lappend options "additional_flags=-DSIGNALS"
  38 }
  39
  40 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options] != "" } {
  41      untested interrupt.exp
  42      return -1
  43 }
  44
  45 gdb_start
  46
  47
  48 if ![file exists $binfile] then {
  49     perror "$binfile does not exist."
  50     return 0
  51 } else {
  52     gdb_reinitialize_dir $srcdir/$subdir
  53     gdb_load $binfile
  54     # Hope this is unix :-)
  55     gdb_test "shell stty intr '^C'" ".*" \
  56         "set interrupt character in interrupt.exp"
  57     if [runto_main] then {
  58         send_gdb "continue\n"
  59         gdb_expect {
  60             -re "\r\ntalk to me baby\r\n$" {
  61                 pass "child process is alive"
  62             }
  63             timeout { fail "run (timeout)" }
  64             eof { fail "run (eof)" }
  65         }
  66         # This should appear twice, once for the echo and once for the
  67         # program's output.  Under dejagnu (but not interactively) for
  68         # SunOS4, it only appears once.  Don't worry about it, I imagine
  69         # dejagnu has just done something to the tty modes.
  70         send_gdb "a\n"
  71         gdb_expect {
  72             -re "^a\r\n(|a\r\n)$" {
  73                 pass "child process ate our char"
  74             }
  75             timeout { fail "echo a (timeout)" }
  76             eof { fail "echo a (eof)" }
  77         }
  78         # Wait until the program is in the read system call again.
  79         sleep 2
  80
  81         # Cntrl-c may fail for simulator targets running on a BSD host.
  82         # This is the result of a combination of the read syscall
  83         # being restarted and gdb capturing the cntrl-c signal.
  84
  85         # Cntrl-c may fail for simulator targets on slow hosts.
  86         # This is because there is a race condition between entering
  87         # the read and delivering the cntrl-c.
  88
  89         send_gdb "\003"
  90         gdb_expect {
  91             -re "Program received signal SIGINT.*$gdb_prompt $" {
  92                 pass "send_gdb control C"
  93             }
  94             -re ".*$gdb_prompt $" { fail "send_gdb control C" }
  95             timeout { fail "send_gdb control C (timeout)" }
  96             eof { fail "send_gdb control C (eof)" }
  97         }
  98
  99         send_gdb "p func1 ()\n"
 100         gdb_expect {
 101             -re " = 4.*$gdb_prompt $" { pass "call function when asleep" }
 102             -re ".*Program received signal SIG(SEGV|ILL).*$gdb_prompt $" {
 103                 setup_xfail "i*86-pc-linux*-gnu*"
 104                 fail "child died when we called func1, skipped rest of tests"
 105                 return
 106             }
 107             -re "$gdb_prompt $" {
 108                 # On HPUX-11.0 'send "p func1 ()"' above
 109                 # terminates the program. A defect is pending on this
 110                 # issue [defect #DTS CHFts24203]. Hence calling setup_xfail
 111                 # below.
 112                 setup_xfail "hppa*-*-*11*" CHFts24203
 113                 fail "call function when asleep (wrong output)"
 114             }
 115             default {
 116
 117                 # This fail probably happens whenever we use /proc (we
 118                 # don't use PRSABORT), but apparently also happens on
 119                 # other machines as well.
 120
 121                 setup_xfail "sparc*-*-solaris2*"
 122                 setup_xfail "mips-*-ultrix*"
 123                 setup_xfail "i*86-*-solaris2*"
 124                 setup_xfail "*-*-sysv4*"
 125                 setup_xfail "vax-*-*"
 126                 setup_xfail "alpha-*-*"
 127                 setup_xfail "*-*-*bsd*"
 128                 setup_xfail "*-*-irix*"
 129                 setup_xfail "*-*-hpux*"
 130                 setup_xfail "*-*-*lynx*"
 131                 fail "call function when asleep (stays asleep)"
 132                 # Send_Gdb a newline to wake it up
 133                 send_gdb "\n"
 134                 gdb_test "" " = 4" "call function after waking it"
 135             }
 136 #           eof { fail "call function when asleep (eof)" }
 137         }
 138
 139         # Now try calling the function again.
 140         gdb_test "p func1 ()" " = 4" "call function a second time"
 141
 142         # And the program should still be doing the same thing.
 143         # The optional trailing \r\n is in case we sent a newline above
 144         # to wake the program, in which case the program now sends it
 145         # back.  We check for it either here or in the next gdb_expect
 146         # command, because which one it ends up in is timing dependent.
 147         send_gdb "continue\n"
 148         # For some reason, i386-*-sysv4 gdb fails to issue the Continuing
 149         # message, but otherwise appears normal (FIXME).
 150         gdb_expect {
 151             -re "^continue\r\nContinuing.\r\n(\r\n|)$" { pass "continue" }
 152             -re "^continue\r\n\r\n" { fail "continue (missing Continuing.)" }
 153             -re "$gdb_prompt $" { fail "continue" }
 154             timeout { fail "continue (timeout)" }
 155             eof { fail "continue (eof)" }
 156         }
 157
 158         send_gdb "data\n"
 159         # The optional leading \r\n is in case we sent a newline above
 160         # to wake the program, in which case the program now sends it
 161         # back.
 162         # FIXME: The pattern below leads to an expected success on HPUX-11.0
 163         # but the success is spurious. Need to provide the right reg.expr.
 164         # here.
 165         gdb_expect {
 166             -re "^(\r\n|)data\r\n(|data\r\n)$" { pass "echo data" }
 167             -re "Undefined command.*$gdb_prompt " { fail "echo data" }
 168             timeout { fail "echo data (timeout)" }
 169             eof { fail "echo data (eof)" }
 170         }
 171
 172         if { ! [target_info exists gdb,nosignals] } {
 173             # Wait until the program is in the read system call again.
 174             sleep 2
 175
 176             # Stop the program for another test.
 177             set msg "Send Control-C, second time"
 178             send_gdb "\003"
 179             gdb_test_multiple "" "$msg" {
 180                 -re "Program received signal SIGINT.*$gdb_prompt $" {
 181                     pass "$msg"
 182                 }
 183             }
 184
 185             # The "signal" command should deliver the correct signal and
 186             # return to the loop.
 187             set msg "signal SIGINT"
 188             gdb_test_multiple "signal SIGINT" "$msg" {
 189                 -re "^signal SIGINT\r\nContinuing with signal SIGINT.\r\n(\r\n|)$" { pass "$msg" }
 190             }
 191
 192             # We should be back in the loop.
 193             send_gdb "more data\n"
 194             gdb_expect {
 195                 -re "^(\r\n|)more data\r\n(|more data\r\n)$" { pass "echo more data" }
 196                 timeout { fail "echo more data (timeout)" }
 197                 eof { fail "echo more data (eof)" }
 198             }
 199         }
 200
 201         send_gdb "\004"
 202         gdb_expect {
 203             -re "end of file.*$inferior_exited_re normally.*$gdb_prompt $" {
 204                 pass "send end of file"
 205             }
 206             -re "$gdb_prompt $" { fail "send end of file" }
 207             timeout { fail "send end of file (timeout)" }
 208             eof { fail "send end of file (eof)" }
 209         }
 210     }
 211 }
 212 return 0