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

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2013-2019 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 standard_testfile
  19
  20 # The test program exits after a while, in case GDB crashes.  Make it
  21 # wait at least as long as we may wait before declaring a time out
  22 # failure.
  23 set options { "additional_flags=-DTIMEOUT=$timeout" debug }
  24 if { [build_executable ${testfile}.exp ${testfile} $srcfile $options] == -1 } {
  25     return -1
  26 }
  27
  28 # Return 0 on success, non-zero otherwise.
  29
  30 proc do_test { pass } {
  31     global testfile gdb_prompt binfile pf_prefix
  32
  33     if ![runto_main] {
  34         return -1
  35     }
  36
  37     gdb_breakpoint "${testfile}.c:[gdb_get_line_number "loop-line" ${testfile}.c]" \
  38                    temporary
  39
  40     # gdb_continue_to_breakpoint would print a pass message.
  41     gdb_test "continue" "Temporary breakpoint .* loop-line .*" ""
  42
  43     gdb_test_no_output "set range-stepping off" ""
  44     gdb_test_no_output "set debug infrun 1" ""
  45
  46     set test "run a bit #$pass"
  47     set abort 1
  48     gdb_test_multiple "step" $test {
  49         -re "infrun: stepping inside range" {
  50             # Suppress pass $test
  51             verbose -log "$pf_prefix $test: ran"
  52             set abort 0
  53         }
  54     }
  55     if $abort {
  56         verbose -log "$pf_prefix $test: did not run"
  57         return $abort
  58     }
  59
  60     set gdb_pid [exp_pid -i [board_info host fileid]]
  61     remote_exec host "kill -TERM ${gdb_pid}"
  62
  63     set test "expect eof #$pass"
  64     set abort 1
  65     set stepping 0
  66     # If GDB mishandles the SIGTERM and doesn't exit, this should FAIL
  67     # with timeout.  We don't expect a GDB prompt, so we see one,
  68     # we'll FAIL too.
  69     gdb_test_multiple "" $test {
  70         eof {
  71             verbose -log "$pf_prefix $test: got eof"
  72             set abort 0
  73         }
  74         -re "infrun: stepping inside range" {
  75             incr stepping
  76             exp_continue
  77         }
  78     }
  79     verbose -log "$pf_prefix $test: stepped $stepping times"
  80     return $abort
  81 }
  82
  83 # Testcase was FAILing approx. on 10th pass with unpatched GDB.
  84 # 50 runs should be approx. a safe number to be sure it is fixed now.
  85 set passes 50
  86
  87 for {set pass 0} {$pass < $passes} {incr pass} {
  88     clean_restart ${testfile}
  89     if { [do_test $pass] != 0 } {
  90         break
  91     }
  92 }
  93
  94 gdb_assert {$pass == $passes} "$passes SIGTERM passes"