gdb/testsuite/gdb.threads/non-ldr-exc-4.exp

   1 # Copyright 2009-2021 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.  This differs
  18 # from non-ldr-exc-1.exp in that we have more than two threads in the
  19 # program when the exec happens.
  20
  21 standard_testfile
  22 set executable ${testfile}
  23
  24 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  25     return -1
  26 }
  27
  28 proc do_test { lock_sched nonstop } {
  29     global executable
  30
  31     save_vars { GDBFLAGS } {
  32       append GDBFLAGS " -ex \"set non-stop $nonstop\""
  33       clean_restart ${executable}
  34     }
  35
  36     if ![runto_main] {
  37         return -1
  38     }
  39
  40     gdb_breakpoint [gdb_get_line_number "break-here"]
  41     gdb_continue_to_breakpoint "break-here" ".* break-here .*"
  42
  43     # Also test with sched-lock to make sure we can follow the
  44     # non-leader thread execing even though the main thread wasn't
  45     # resumed before the exec.
  46     if { $lock_sched } {
  47         gdb_test_no_output "set scheduler-locking on"
  48     }
  49
  50     if { $nonstop == "on" } {
  51         gdb_test "thread 2" "Switching.*"
  52     }
  53
  54     gdb_test "continue" \
  55         ".*is executing new program.*Breakpoint 1, main.* at .*" \
  56         "continue over exec"
  57 }
  58
  59 foreach_with_prefix nonstop {"on" "off"} {
  60     foreach_with_prefix schedlock {"on" "off"} {
  61         if {$schedlock == "on" && $nonstop == "on"} {
  62             # Schedule locking has no effect in nonstop mode.
  63             continue
  64         }
  65
  66         do_test $schedlock $nonstop
  67     }
  68 }