gdb/testsuite/gdb.base/interrupt.exp

   1 # Copyright 1994-2013 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 set testfile interrupt
  28 set srcfile ${testfile}.c
  29 set binfile ${objdir}/${subdir}/${testfile}
  30
  31 set options { debug }
  32 if { ! [target_info exists gdb,nosignals] } {
  33     lappend options "additional_flags=-DSIGNALS"
  34 }
  35
  36 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options] != "" } {
  37      untested interrupt.exp
  38      return -1
  39 }
  40
  41 gdb_start
  42
  43
  44 if ![file exists $binfile] then {
  45     perror "$binfile does not exist."
  46     return 0
  47 } else {
  48     gdb_reinitialize_dir $srcdir/$subdir
  49     gdb_load $binfile
  50     # Hope this is unix :-)
  51     gdb_test "shell stty intr '^C'" ".*" \
  52         "set interrupt character in interrupt.exp"
  53     if [runto_main] then {
  54         send_gdb "continue\n"
  55         gdb_expect {
  56             -re "\r\ntalk to me baby\r\n$" {
  57                 pass "child process is alive"
  58             }
  59             timeout { fail "run (timeout)" }
  60             eof { fail "run (eof)" }
  61         }
  62         # This should appear twice, once for the echo and once for the
  63         # program's output.  Under dejagnu (but not interactively) for
  64         # SunOS4, it only appears once.  Don't worry about it, I imagine
  65         # dejagnu has just done something to the tty modes.
  66         send_gdb "a\n"
  67         gdb_expect {
  68             -re "^a\r\n(|a\r\n)$" {
  69                 pass "child process ate our char"
  70             }
  71             timeout { fail "echo a (timeout)" }
  72             eof { fail "echo a (eof)" }
  73         }
  74         # Wait until the program is in the read system call again.
  75         sleep 2
  76
  77         # Cntrl-c may fail for simulator targets running on a BSD host.
  78         # This is the result of a combination of the read syscall
  79         # being restarted and gdb capturing the cntrl-c signal.
  80
  81         # Cntrl-c may fail for simulator targets on slow hosts.
  82         # This is because there is a race condition between entering
  83         # the read and delivering the cntrl-c.
  84
  85         send_gdb "\003"
  86         gdb_expect {
  87             -re "Program received signal SIGINT.*$gdb_prompt $" {
  88                 pass "send_gdb control C"
  89             }
  90             -re ".*$gdb_prompt $" { fail "send_gdb control C" }
  91             timeout { fail "send_gdb control C (timeout)" }
  92             eof { fail "send_gdb control C (eof)" }
  93         }
  94
  95         send_gdb "p func1 ()\n"
  96         gdb_expect {
  97             -re " = 4.*$gdb_prompt $" { pass "call function when asleep" }
  98             -re ".*Program received signal SIG(SEGV|ILL).*$gdb_prompt $" {
  99                 setup_xfail "i*86-pc-linux*-gnu*"
 100                 fail "child died when we called func1, skipped rest of tests"
 101                 return
 102             }
 103             -re "$gdb_prompt $" {
 104                 # On HPUX-11.0 'send "p func1 ()"' above
 105                 # terminates the program. A defect is pending on this
 106                 # issue [defect #DTS CHFts24203]. Hence calling setup_xfail
 107                 # below.
 108                 setup_xfail "hppa*-*-*11*" CHFts24203
 109                 fail "call function when asleep (wrong output)"
 110             }
 111             default {
 112
 113                 # This fail probably happens whenever we use /proc (we
 114                 # don't use PRSABORT), but apparently also happens on
 115                 # other machines as well.
 116
 117                 setup_xfail "sparc*-*-solaris2*"
 118                 setup_xfail "mips-*-ultrix*"
 119                 setup_xfail "i*86-*-solaris2*"
 120                 setup_xfail "*-*-sysv4*"
 121                 setup_xfail "vax-*-*"
 122                 setup_xfail "alpha-*-*"
 123                 setup_xfail "*-*-*bsd*"
 124                 setup_xfail "*-*-irix*"
 125                 setup_xfail "*-*-hpux*"
 126                 setup_xfail "*-*-*lynx*"
 127                 fail "call function when asleep (stays asleep)"
 128                 # Send_Gdb a newline to wake it up
 129                 send_gdb "\n"
 130                 gdb_test "" " = 4" "call function after waking it"
 131             }
 132 #           eof { fail "call function when asleep (eof)" }
 133         }
 134
 135         # Now try calling the function again.
 136         gdb_test "p func1 ()" " = 4" "call function a second time"
 137
 138         # And the program should still be doing the same thing.
 139         # The optional trailing \r\n is in case we sent a newline above
 140         # to wake the program, in which case the program now sends it
 141         # back.  We check for it either here or in the next gdb_expect
 142         # command, because which one it ends up in is timing dependent.
 143         send_gdb "continue\n"
 144         # For some reason, i386-*-sysv4 gdb fails to issue the Continuing
 145         # message, but otherwise appears normal (FIXME).
 146         gdb_expect {
 147             -re "^continue\r\nContinuing.\r\n(\r\n|)$" { pass "continue" }
 148             -re "^continue\r\n\r\n" { fail "continue (missing Continuing.)" }
 149             -re "$gdb_prompt $" { fail "continue" }
 150             timeout { fail "continue (timeout)" }
 151             eof { fail "continue (eof)" }
 152         }
 153
 154         send_gdb "data\n"
 155         # The optional leading \r\n is in case we sent a newline above
 156         # to wake the program, in which case the program now sends it
 157         # back.
 158         # FIXME: The pattern below leads to an expected success on HPUX-11.0
 159         # but the success is spurious. Need to provide the right reg.expr.
 160         # here.
 161         gdb_expect {
 162             -re "^(\r\n|)data\r\n(|data\r\n)$" { pass "echo data" }
 163             -re "Undefined command.*$gdb_prompt " { fail "echo data" }
 164             timeout { fail "echo data (timeout)" }
 165             eof { fail "echo data (eof)" }
 166         }
 167
 168         if { ! [target_info exists gdb,nosignals] } {
 169             # Wait until the program is in the read system call again.
 170             sleep 2
 171
 172             # Stop the program for another test.
 173             set msg "Send Control-C, second time"
 174             send_gdb "\003"
 175             gdb_test_multiple "" "$msg" {
 176                 -re "Program received signal SIGINT.*$gdb_prompt $" {
 177                     pass "$msg"
 178                 }
 179             }
 180
 181             # The "signal" command should deliver the correct signal and
 182             # return to the loop.
 183             set msg "signal SIGINT"
 184             gdb_test_multiple "signal SIGINT" "$msg" {
 185                 -re "^signal SIGINT\r\nContinuing with signal SIGINT.\r\n(\r\n|)$" { pass "$msg" }
 186             }
 187
 188             # We should be back in the loop.
 189             send_gdb "more data\n"
 190             gdb_expect {
 191                 -re "^(\r\n|)more data\r\n(|more data\r\n)$" { pass "echo more data" }
 192                 timeout { fail "echo more data (timeout)" }
 193                 eof { fail "echo more data (eof)" }
 194             }
 195         }
 196
 197         send_gdb "\004"
 198         gdb_expect {
 199             -re "end of file.*$inferior_exited_re normally.*$gdb_prompt $" {
 200                 pass "send end of file"
 201             }
 202             -re "$gdb_prompt $" { fail "send end of file" }
 203             timeout { fail "send end of file (timeout)" }
 204             eof { fail "send end of file (eof)" }
 205         }
 206     }
 207 }
 208 return 0