gdb/testsuite/gdb.threads/non-ldr-exc-3.exp

   1 # Copyright 2009-2016 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 3 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, see <http://www.gnu.org/licenses/>.
  15
  16 # Test that when a thread other than the main thread execs, we follow
  17 # through to the new incarnation of the main thread, even if the main
  18 # thread had already exited before the exec.  This differs from
  19 # non-ldr-exc-2.exp in that we have more than two threads in the
  20 # program when the exec happens.
  21
  22 # No exec event support in the remote protocol.
  23 if { [is_remote target] } then {
  24     continue
  25 }
  26
  27 standard_testfile
  28 set executable ${testfile}
  29
  30 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  31     return -1
  32 }
  33
  34 proc do_test { lock_sched nonstop } {
  35     with_test_prefix "lock-sched=$lock_sched,non-stop=$nonstop" {
  36         global executable
  37
  38         save_vars { GDBFLAGS } {
  39           append GDBFLAGS " -ex \"set non-stop $nonstop\""
  40           clean_restart ${executable}
  41         }
  42
  43         if ![runto_main] {
  44             return -1
  45         }
  46
  47         gdb_breakpoint [gdb_get_line_number "break-here"]
  48         gdb_continue_to_breakpoint "break-here" ".* break-here .*"
  49
  50         # Also test with sched-lock to make sure we can follow the
  51         # non-leader thread execing even though the main thread wasn't
  52         # resumed before the exec.
  53         if { $lock_sched } {
  54             gdb_test_no_output "set scheduler-locking on"
  55         }
  56
  57         if { $nonstop == "on" } {
  58             gdb_test "thread 2" "Switching.*"
  59         }
  60
  61         gdb_test "continue" \
  62             ".*is executing new program.*Breakpoint 1, main.* at .*" \
  63             "continue over exec"
  64     }
  65 }
  66
  67 foreach nonstop {"on" "off"} {
  68   foreach schedlock {"on" "off"} {
  69     if {$schedlock == "on" && $nonstop == "on"} {
  70       # Schedule locking has no effect in nonstop mode.
  71       continue
  72     }
  73     do_test $schedlock $nonstop
  74   }
  75 }