gdb/testsuite/gdb.base/interrupt.exp

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