gdb/testsuite/gdb.base/interrupt.exp

   1 # Copyright 1994-2014 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 $binfile
  48     # Hope this is unix :-)
  49     gdb_test "shell stty intr '^C'" ".*" \
  50         "set interrupt character in interrupt.exp"
  51     if [runto_main] then {
  52         send_gdb "continue\n"
  53         gdb_expect {
  54             -re "\r\ntalk to me baby\r\n$" {
  55                 pass "child process is alive"
  56             }
  57             timeout { fail "run (timeout)" }
  58             eof { fail "run (eof)" }
  59         }
  60         # This should appear twice, once for the echo and once for the
  61         # program's output.  Under dejagnu (but not interactively) for
  62         # SunOS4, it only appears once.  Don't worry about it, I imagine
  63         # dejagnu has just done something to the tty modes.
  64         send_gdb "a\n"
  65         gdb_expect {
  66             -re "^a\r\n(|a\r\n)$" {
  67                 pass "child process ate our char"
  68             }
  69             timeout { fail "echo a (timeout)" }
  70             eof { fail "echo a (eof)" }
  71         }
  72         # Wait until the program is in the read system call again.
  73         sleep 2
  74
  75         # Cntrl-c may fail for simulator targets running on a BSD host.
  76         # This is the result of a combination of the read syscall
  77         # being restarted and gdb capturing the cntrl-c signal.
  78
  79         # Cntrl-c may fail for simulator targets on slow hosts.
  80         # This is because there is a race condition between entering
  81         # the read and delivering the cntrl-c.
  82
  83         send_gdb "\003"
  84         gdb_expect {
  85             -re "Program received signal SIGINT.*$gdb_prompt $" {
  86                 pass "send_gdb control C"
  87             }
  88             -re ".*$gdb_prompt $" { fail "send_gdb control C" }
  89             timeout { fail "send_gdb control C (timeout)" }
  90             eof { fail "send_gdb control C (eof)" }
  91         }
  92
  93         send_gdb "p func1 ()\n"
  94         gdb_expect {
  95             -re " = 4.*$gdb_prompt $" { pass "call function when asleep" }
  96             -re ".*Program received signal SIG(SEGV|ILL).*$gdb_prompt $" {
  97                 setup_xfail "i*86-pc-linux*-gnu*"
  98                 fail "child died when we called func1, skipped rest of tests"
  99                 return
 100             }
 101             -re "$gdb_prompt $" {
 102                 # On HPUX-11.0 'send "p func1 ()"' above
 103                 # terminates the program. A defect is pending on this
 104                 # issue [defect #DTS CHFts24203]. Hence calling setup_xfail
 105                 # below.
 106                 setup_xfail "hppa*-*-*11*" CHFts24203
 107                 fail "call function when asleep (wrong output)"
 108             }
 109             default {
 110
 111                 # This fail probably happens whenever we use /proc (we
 112                 # don't use PRSABORT), but apparently also happens on
 113                 # other machines as well.
 114
 115                 setup_xfail "sparc*-*-solaris2*"
 116                 setup_xfail "mips-*-ultrix*"
 117                 setup_xfail "i*86-*-solaris2*"
 118                 setup_xfail "*-*-sysv4*"
 119                 setup_xfail "vax-*-*"
 120                 setup_xfail "alpha-*-*"
 121                 setup_xfail "*-*-*bsd*"
 122                 setup_xfail "*-*-irix*"
 123                 setup_xfail "*-*-hpux*"
 124                 setup_xfail "*-*-*lynx*"
 125                 fail "call function when asleep (stays asleep)"
 126                 # Send_Gdb a newline to wake it up
 127                 send_gdb "\n"
 128                 gdb_test "" " = 4" "call function after waking it"
 129             }
 130 #           eof { fail "call function when asleep (eof)" }
 131         }
 132
 133         # Now try calling the function again.
 134         gdb_test "p func1 ()" " = 4" "call function a second time"
 135
 136         # And the program should still be doing the same thing.
 137         # The optional trailing \r\n is in case we sent a newline above
 138         # to wake the program, in which case the program now sends it
 139         # back.  We check for it either here or in the next gdb_expect
 140         # command, because which one it ends up in is timing dependent.
 141         send_gdb "continue\n"
 142         # For some reason, i386-*-sysv4 gdb fails to issue the Continuing
 143         # message, but otherwise appears normal (FIXME).
 144         gdb_expect {
 145             -re "^continue\r\nContinuing.\r\n(\r\n|)$" { pass "continue" }
 146             -re "^continue\r\n\r\n" { fail "continue (missing Continuing.)" }
 147             -re "$gdb_prompt $" { fail "continue" }
 148             timeout { fail "continue (timeout)" }
 149             eof { fail "continue (eof)" }
 150         }
 151
 152         send_gdb "data\n"
 153         # The optional leading \r\n is in case we sent a newline above
 154         # to wake the program, in which case the program now sends it
 155         # back.
 156         # FIXME: The pattern below leads to an expected success on HPUX-11.0
 157         # but the success is spurious. Need to provide the right reg.expr.
 158         # here.
 159         gdb_expect {
 160             -re "^(\r\n|)data\r\n(|data\r\n)$" { pass "echo data" }
 161             -re "Undefined command.*$gdb_prompt " { fail "echo data" }
 162             timeout { fail "echo data (timeout)" }
 163             eof { fail "echo data (eof)" }
 164         }
 165
 166         if { ! [target_info exists gdb,nosignals] } {
 167             # Wait until the program is in the read system call again.
 168             sleep 2
 169
 170             # Stop the program for another test.
 171             set msg "Send Control-C, second time"
 172             send_gdb "\003"
 173             gdb_test_multiple "" "$msg" {
 174                 -re "Program received signal SIGINT.*$gdb_prompt $" {
 175                     pass "$msg"
 176                 }
 177             }
 178
 179             # The "signal" command should deliver the correct signal and
 180             # return to the loop.
 181             set msg "signal SIGINT"
 182             gdb_test_multiple "signal SIGINT" "$msg" {
 183                 -re "^signal SIGINT\r\nContinuing with signal SIGINT.\r\n(\r\n|)$" { pass "$msg" }
 184             }
 185
 186             # We should be back in the loop.
 187             send_gdb "more data\n"
 188             gdb_expect {
 189                 -re "^(\r\n|)more data\r\n(|more data\r\n)$" { pass "echo more data" }
 190                 timeout { fail "echo more data (timeout)" }
 191                 eof { fail "echo more data (eof)" }
 192             }
 193         }
 194
 195         send_gdb "\004"
 196         gdb_expect {
 197             -re "end of file.*$inferior_exited_re normally.*$gdb_prompt $" {
 198                 pass "send end of file"
 199             }
 200             -re "$gdb_prompt $" { fail "send end of file" }
 201             timeout { fail "send end of file (timeout)" }
 202             eof { fail "send end of file (eof)" }
 203         }
 204     }
 205 }
 206 return 0