gdb/testsuite/gdb.threads/thread-execl.exp

   1 # Copyright (C) 2009-2015 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 GDB doesn't get stuck when stepping over an exec call done
  17 # by a thread other than the main thread.
  18
  19 # There's no support for exec events in the remote protocol.
  20 if { [is_remote target] } {
  21     return 0
  22 }
  23
  24 standard_testfile
  25
  26 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
  27          executable debug] != "" } {
  28     return -1
  29 }
  30
  31 # Run the test proper.  SCHEDLOCK specifies what scheduler-locking
  32 # should be set to.
  33
  34 proc do_test { schedlock } {
  35     global binfile
  36
  37     if {$schedlock == "non-stop"} {
  38         set prefix $schedlock
  39     } else {
  40         set prefix "schedlock $schedlock"
  41     }
  42     with_test_prefix "$prefix" {
  43         clean_restart ${binfile}
  44
  45         if {$schedlock == "non-stop"} {
  46             gdb_test_no_output "set non-stop 1"
  47         }
  48
  49         if ![runto_main] {
  50             return 0
  51         }
  52
  53         # Get ourselves to the thread that execs.
  54         gdb_breakpoint "thread_execler"
  55         gdb_test "continue" ".*thread_execler.*" "continue to thread start"
  56
  57         if {$schedlock == "non-stop"} {
  58             gdb_test "thread 2" \
  59                 "Switching to .*thread_execler.*" \
  60                 "switch to event thread"
  61         }
  62
  63         # Now set a breakpoint at `main', and step over the execl call.  The
  64         # breakpoint at main should be reached.  GDB should not try to revert
  65         # back to the old thread from the old image and resume stepping it
  66         # (since it is gone).
  67         gdb_breakpoint "main"
  68
  69         if {$schedlock != "non-stop"} {
  70             gdb_test_no_output "set scheduler-locking $schedlock"
  71         }
  72         gdb_test "next" ".*main.*" "get to main in new image"
  73     }
  74 }
  75
  76 foreach schedlock {"off" "step" "on" "non-stop"} {
  77     do_test $schedlock
  78 }