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

   1 # This testcase is part of GDB, the GNU debugger.
   2 #
   3 # Copyright 2013-2024 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 require !gdb_debug_enabled
  21
  22 standard_testfile
  23
  24 # The test program exits after a while, in case GDB crashes.  Make it
  25 # wait at least as long as we may wait before declaring a time out
  26 # failure.
  27 set options { "additional_flags=-DTIMEOUT=$timeout" debug }
  28 if { [build_executable ${testfile}.exp ${testfile} $srcfile $options] == -1 } {
  29     return -1
  30 }
  31
  32 # Return 0 on success, non-zero otherwise.
  33
  34 proc do_test { pass } {
  35     global testfile gdb_prompt binfile pf_prefix
  36
  37     if ![runto_main] {
  38         return -1
  39     }
  40
  41     gdb_breakpoint "${testfile}.c:[gdb_get_line_number "loop-line" ${testfile}.c]" \
  42                    temporary
  43
  44     gdb_test "continue" "Temporary breakpoint .* loop-line .*"
  45
  46     gdb_test_no_output "set range-stepping off"
  47     gdb_test_no_output "set debug infrun 1"
  48
  49     set abort 1
  50     gdb_test_multiple "step" "run a bit" {
  51         -re {\[infrun\] process_event_stop_test: stepping inside range} {
  52             pass $gdb_test_name
  53             set abort 0
  54         }
  55     }
  56     if $abort {
  57         verbose -log "$pf_prefix $test: did not run"
  58         return $abort
  59     }
  60
  61     set gdb_pid [exp_pid -i [board_info host fileid]]
  62     remote_exec host "kill -TERM ${gdb_pid}"
  63
  64     set test "expect eof"
  65     set abort 1
  66     set stepping 0
  67     # If GDB mishandles the SIGTERM and doesn't exit, this should FAIL
  68     # with timeout.  We don't expect a GDB prompt, so we see one,
  69     # we'll FAIL too.
  70     gdb_test_multiple "" "expect eof" {
  71         eof {
  72             pass "$gdb_test_name (got eof)"
  73             set abort 0
  74         }
  75         -re {\[infrun\] process_event_stop_test: stepping inside range} {
  76             incr stepping
  77             exp_continue
  78         }
  79     }
  80     verbose -log "$pf_prefix $test: stepped $stepping times"
  81     return $abort
  82 }
  83
  84 # Testcase was FAILing approx. on 10th pass with unpatched GDB.
  85 # 50 runs should be approx. a safe number to be sure it is fixed now.
  86 set passes 50
  87
  88 for {set pass 0} {$pass < $passes} {incr pass} {
  89     with_test_prefix "pass=$pass" {
  90         clean_restart ${testfile}
  91         if { [do_test $pass] != 0 } {
  92             break
  93         }
  94     }
  95 }
  96
  97 gdb_assert {$pass == $passes} "$passes SIGTERM passes"