gdb/testsuite/gdb.base/interrupt.exp

   1 # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000
   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 2 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, write to the Free Software
  16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17
  18 # Please email any bugs, comments, and/or additions to this file to:
  19 # bug-gdb@prep.ai.mit.edu
  20
  21 if [host_info exists name] {
  22     if [board_info host exists gdb,nointerrupts] {
  23         verbose "Skipping interrupt.exp because of nointerrupts."
  24         continue
  25     }
  26 }
  27
  28 if [target_info exists gdb,noinferiorio] {
  29     verbose "Skipping interrupt.exp because of noinferiorio."
  30     return
  31 }
  32
  33 if $tracelevel then {
  34         strace $tracelevel
  35 }
  36
  37 set prms_id 0
  38 set bug_id 0
  39
  40 set testfile interrupt
  41 set srcfile ${testfile}.c
  42 set binfile ${objdir}/${subdir}/${testfile}
  43 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  44      gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
  45 }
  46
  47 gdb_start
  48
  49
  50 if ![file exists $binfile] then {
  51     perror "$binfile does not exist."
  52     return 0
  53 } else {
  54     gdb_reinitialize_dir $srcdir/$subdir
  55     gdb_load $binfile
  56     # Hope this is unix :-)
  57     gdb_test "shell stty intr '^C'" "" \
  58         "set interrupt character in interrupt.exp"
  59     if [runto_main] then {
  60         send_gdb "continue\n"
  61         gdb_expect {
  62             -re "\r\ntalk to me baby\r\n$" {
  63                 pass "child process is alive"
  64             }
  65             timeout { fail "run (timeout)" }
  66             eof { fail "run (eof)" }
  67         }
  68         # This should appear twice, once for the echo and once for the
  69         # program's output.  Under dejagnu (but not interactively) for
  70         # SunOS4, it only appears once.  Don't worry about it, I imagine
  71         # dejagnu has just done something to the tty modes.
  72         send_gdb "a\n"
  73         gdb_expect {
  74             -re "^a\r\n(|a\r\n)$" {
  75                 pass "child process ate our char"
  76             }
  77             timeout { fail "echo a (timeout)" }
  78             eof { fail "echo a (eof)" }
  79         }
  80         # Wait until the program is in the read system call again.
  81         sleep 2
  82
  83         # Cntrl-c may fail for simulator targets running on a BSD host.
  84         # This is the result of a combination of the read syscall
  85         # being restarted and gdb capturing the cntrl-c signal.
  86
  87         # Cntrl-c may fail for simulator targets on slow hosts.
  88         # This is because there is a race condition between entering
  89         # the read and delivering the cntrl-c.
  90
  91         send_gdb "\003"
  92         gdb_expect {
  93             -re "Program received signal SIGINT.*$gdb_prompt $" {
  94                 pass "send_gdb control C"
  95             }
  96             -re ".*$gdb_prompt $" { fail "send_gdb control C" }
  97             timeout { fail "send_gdb control C (timeout)" }
  98             eof { fail "send_gdb control C (eof)" }
  99         }
 100
 101         send_gdb "p func1 ()\n"
 102         gdb_expect {
 103             -re " = 4.*$gdb_prompt $" { pass "call function when asleep" }
 104             -re ".*Program received signal SIG(SEGV|ILL).*$gdb_prompt $" {
 105                 setup_xfail "i*86-pc-linux*-gnu*"
 106                 fail "child died when we called func1, skipped rest of tests"
 107                 return
 108             }
 109             -re "$gdb_prompt $" {
 110                 # On HPUX-11.0 'send "p func1 ()"' above
 111                 # terminates the program. A defect is pending on this
 112                 # issue [defect #DTS CHFts24203]. Hence calling setup_xfail
 113                 # below.
 114                 setup_xfail "hppa*-*-*11*" CHFts24203
 115                 fail "call function when asleep (wrong output)"
 116             }
 117             default {
 118
 119                 # This fail probably happens whenever we use /proc (we
 120                 # don't use PRSABORT), but apparently also happens on
 121                 # other machines as well.
 122
 123                 setup_xfail "sparc*-*-solaris2*"
 124                 setup_xfail "mips-*-ultrix*"
 125                 setup_xfail "i*86-*-*bsd*"
 126                 setup_xfail "i*86-*-solaris2*"
 127                 setup_xfail "*-*-sysv4*"
 128                 setup_xfail "vax-*-*"
 129                 setup_xfail "alpha-*-*"
 130                 setup_xfail "*-*-irix*"
 131                 setup_xfail "*-*-hpux*"
 132                 setup_xfail "*-*-*lynx*"
 133                 fail "call function when asleep (stays asleep)"
 134                 # Send_Gdb a newline to wake it up
 135                 send_gdb "\n"
 136                 gdb_test "" " = 4" "call function after waking it"
 137             }
 138 #           eof { fail "call function when asleep (eof)" }
 139         }
 140
 141         # Now try calling the function again.
 142         gdb_test "p func1 ()" " = 4" "call function a second time"
 143
 144         # And the program should still be doing the same thing.
 145         # The optional trailing \r\n is in case we sent a newline above
 146         # to wake the program, in which case the program now sends it
 147         # back.  We check for it either here or in the next gdb_expect
 148         # command, because which one it ends up in is timing dependent.
 149         send_gdb "continue\n"
 150         # For some reason, i386-*-sysv4 gdb fails to issue the Continuing
 151         # message, but otherwise appears normal (FIXME).
 152         gdb_expect {
 153             -re "^continue\r\nContinuing.\r\n(\r\n|)$" { pass "continue" }
 154             -re "^continue\r\n\r\n" { fail "continue (missing Continuing.)" }
 155             -re "$gdb_prompt $" { fail "continue" }
 156             timeout { fail "continue (timeout)" }
 157             eof { fail "continue (eof)" }
 158         }
 159
 160         send_gdb "data\n"
 161         # The optional leading \r\n is in case we sent a newline above
 162         # to wake the program, in which case the program now sends it
 163         # back.
 164         # FIXME: The pattern below leads to an expected success on HPUX-11.0
 165         # but the success is spurious. Need to provide the right reg.expr.
 166         # here.
 167         gdb_expect {
 168             -re "^(\r\n|)data\r\n(|data\r\n)$" { pass "echo data" }
 169             timeout { fail "echo data (timeout)" }
 170             eof { fail "echo data (eof)" }
 171         }
 172
 173         setup_xfail "i*86-pc-linux*-gnu*"
 174         send_gdb "\004"
 175         gdb_expect {
 176             -re "end of file.*Program exited normally.*$gdb_prompt $" {
 177                 pass "send end of file"
 178             }
 179             -re "$gdb_prompt $" { fail "send end of file" }
 180             timeout { fail "send end of file (timeout)" }
 181             eof { fail "send end of file (eof)" }
 182         }
 183     }
 184 }
 185 return 0