gdb/testsuite/gdb.base/gdb-sigterm.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2013-2020 Free Software Foundation, Inc.
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 # Test relies on checking gdb debug output. Do not run if gdb debug is
  19 # enabled as any debug will be redirected to the log.
  20 if [gdb_debug_enabled] {
  21     untested "debug is enabled"
  22     return 0
  23 }
  24
  25 standard_testfile
  26
  27 # The test program exits after a while, in case GDB crashes.  Make it
  28 # wait at least as long as we may wait before declaring a time out
  29 # failure.
  30 set options { "additional_flags=-DTIMEOUT=$timeout" debug }
  31 if { [build_executable ${testfile}.exp ${testfile} $srcfile $options] == -1 } {
  32     return -1
  33 }
  34
  35 # Return 0 on success, non-zero otherwise.
  36
  37 proc do_test { pass } {
  38     global testfile gdb_prompt binfile pf_prefix
  39
  40     if ![runto_main] {
  41         return -1
  42     }
  43
  44     gdb_breakpoint "${testfile}.c:[gdb_get_line_number "loop-line" ${testfile}.c]" \
  45                    temporary
  46
  47     # gdb_continue_to_breakpoint would print a pass message.
  48     gdb_test "continue" "Temporary breakpoint .* loop-line .*" ""
  49
  50     gdb_test_no_output "set range-stepping off" ""
  51     gdb_test_no_output "set debug infrun 1" ""
  52
  53     set test "run a bit #$pass"
  54     set abort 1
  55     gdb_test_multiple "step" $test {
  56         -re "infrun: process_event_stop_test: stepping inside range" {
  57             # Suppress pass $test
  58             verbose -log "$pf_prefix $test: ran"
  59             set abort 0
  60         }
  61     }
  62     if $abort {
  63         verbose -log "$pf_prefix $test: did not run"
  64         return $abort
  65     }
  66
  67     set gdb_pid [exp_pid -i [board_info host fileid]]
  68     remote_exec host "kill -TERM ${gdb_pid}"
  69
  70     set test "expect eof #$pass"
  71     set abort 1
  72     set stepping 0
  73     # If GDB mishandles the SIGTERM and doesn't exit, this should FAIL
  74     # with timeout.  We don't expect a GDB prompt, so we see one,
  75     # we'll FAIL too.
  76     gdb_test_multiple "" $test {
  77         eof {
  78             verbose -log "$pf_prefix $test: got eof"
  79             set abort 0
  80         }
  81         -re "infrun: process_event_stop_test: stepping inside range" {
  82             incr stepping
  83             exp_continue
  84         }
  85     }
  86     verbose -log "$pf_prefix $test: stepped $stepping times"
  87     return $abort
  88 }
  89
  90 # Testcase was FAILing approx. on 10th pass with unpatched GDB.
  91 # 50 runs should be approx. a safe number to be sure it is fixed now.
  92 set passes 50
  93
  94 for {set pass 0} {$pass < $passes} {incr pass} {
  95     clean_restart ${testfile}
  96     if { [do_test $pass] != 0 } {
  97         break
  98     }
  99 }
 100
 101 gdb_assert {$pass == $passes} "$passes SIGTERM passes"