gdb/testsuite/gdb.threads/non-ldr-exc-2.exp

   1 # Copyright 2009-2020 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.
  19
  20 standard_testfile
  21 set executable ${testfile}
  22
  23 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  24     return -1
  25 }
  26
  27 proc do_test { lock_sched nonstop } {
  28     with_test_prefix "lock-sched=$lock_sched,non-stop=$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         if { $nonstop == "on" } {
  44             gdb_test "thread 2" "Switching.*"
  45         }
  46
  47         gdb_test "info threads" \
  48             "\r\n\[ \t\]*Id\[ \t\]+Target\[ \t\]+Id\[ \t\]+Frame\[ \t\]*\r\n\\* 2 *Thread \[^\r\n\]* at \[^\r\n\]*" \
  49             "single thread left"
  50
  51         # Also test with sched-lock to make sure we can follow the
  52         # non-leader thread execing even though the main thread wasn't
  53         # resumed before the exec.
  54         if { $lock_sched } {
  55             gdb_test_no_output "set scheduler-locking on"
  56         }
  57
  58         gdb_test "continue" \
  59             ".*is executing new program.*Breakpoint 1, main.* at .*" \
  60             "continue over exec"
  61     }
  62 }
  63
  64 foreach nonstop {"on" "off"} {
  65   foreach schedlock {"on" "off"} {
  66     if {$schedlock == "on" && $nonstop == "on"} {
  67       # Schedule locking has no effect in nonstop mode.
  68       continue
  69     }
  70     do_test $schedlock $nonstop
  71   }
  72 }