gdb/testsuite/gdb.threads/multiple-step-overs.exp

   1 # Copyright (C) 2011-2015 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 steps over all breakpoints of threads not the stepping
  17 # thread, before actually proceeding with the stepped thread.
  18
  19 standard_testfile
  20 set executable ${testfile}
  21
  22 if [target_info exists gdb,nosignals] {
  23     verbose "Skipping ${testfile}.exp because of nosignals."
  24     return -1
  25 }
  26
  27 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
  28          executable [list debug "incdir=${objdir}"]] != "" } {
  29     return -1
  30 }
  31
  32 # Prepare environment for test.  PREFIX is used as prefix in test
  33 # messages.
  34
  35 proc setup { prefix } {
  36     global executable
  37
  38     with_test_prefix $prefix {
  39         clean_restart $executable
  40
  41         if ![runto_main] {
  42             return -1
  43         }
  44
  45         gdb_breakpoint [gdb_get_line_number "set wait-threads breakpoint here"]
  46         gdb_continue_to_breakpoint "run to breakpoint"
  47         gdb_test "info threads" "3 .* 2 .*\\\* 1.*" "info threads shows all threads"
  48
  49         gdb_test_no_output "set scheduler-locking on"
  50
  51         gdb_breakpoint [gdb_get_line_number "set breakpoint thread 3 here"]
  52         gdb_breakpoint [gdb_get_line_number "set breakpoint thread 2 here"]
  53
  54         gdb_test "thread 3" "Switching.*"
  55         gdb_continue_to_breakpoint "run to breakpoint in thread 3"
  56         gdb_test "p *myp = 0" " = 0" "unbreak loop in thread 3"
  57
  58         gdb_test "thread 2" "Switching.*"
  59         gdb_continue_to_breakpoint "run to breakpoint in thread 2"
  60         gdb_test "p *myp = 0" " = 0" "unbreak loop in thread 2"
  61
  62         # Switch back to thread 1 and disable scheduler locking.
  63         gdb_test "thread 1" "Switching.*"
  64         gdb_test_no_output "set scheduler-locking off"
  65
  66         # Now all 3 threads are stopped for a breakpoint that needs to
  67         # be stepped over before thread 1 is resumed.
  68     }
  69 }
  70
  71 setup "step"
  72 gdb_test "step" "in wait_threads .*"
  73
  74 setup "next"
  75 gdb_test "set debug infrun 1" ".*"
  76 gdb_test "next" "pthread_join.*"
  77
  78 setup "continue"
  79 gdb_breakpoint [gdb_get_line_number "EXIT_SUCCESS"]
  80 gdb_test "continue" "EXIT_SUCCESS.*"