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