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

   1 # Copyright (C) 2009-2014 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     with_test_prefix "schedlock $schedlock" {
  38         clean_restart ${binfile}
  39
  40         if ![runto_main] {
  41             return 0
  42         }
  43
  44         # Get ourselves to the thread that execs.
  45         gdb_breakpoint "thread_execler"
  46         gdb_test "continue" ".*thread_execler.*" "continue to thread start"
  47
  48         # Now set a breakpoint at `main', and step over the execl call.  The
  49         # breakpoint at main should be reached.  GDB should not try to revert
  50         # back to the old thread from the old image and resume stepping it
  51         # (since it is gone).
  52         gdb_breakpoint "main"
  53         gdb_test_no_output "set scheduler-locking $schedlock"
  54         gdb_test "next" ".*main.*" "get to main in new image"
  55     }
  56 }
  57
  58 foreach schedlock {"off" "step" "on"} {
  59     do_test $schedlock
  60 }