gdb/testsuite/gdb.base/watch_thread_num.exp

   1 # This testcase is part of GDB, the GNU debugger.
   2
   3 # Copyright 2007, 2008 Free Software Foundation, Inc.
   4
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 # watch-thread_num.exp   Test thread <thread_num> parameter for
  19 #                        watch commands.
  20 #
  21
  22 if $tracelevel then {
  23         strace $tracelevel
  24 }
  25
  26 set testfile watch_thread_num
  27 set srcfile ${testfile}.c
  28 set binfile ${objdir}/${subdir}/${testfile}
  29
  30 # What compiler are we using?
  31 #
  32 if [get_compiler_info ${binfile}] {
  33     return -1
  34 }
  35
  36 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug libs=-lpthread}] != "" } {
  37      untested watch_thread_num.exp
  38      return -1
  39 }
  40
  41 gdb_exit
  42 gdb_start
  43 gdb_reinitialize_dir $srcdir/$subdir
  44 gdb_load ${binfile}
  45
  46 if { ![runto main] } then {
  47    fail "run to main"
  48    return
  49 }
  50
  51 gdb_test "watch shared_var thread 0" "Unknown thread 0\." "Watchpoint on invalid thread"
  52 gdb_test "watch shared_var thread" "A syntax error in expression, near `thread'\." "Invalid watch syntax"
  53
  54 gdb_test "Next 5" ""
  55
  56 gdb_test "break thread_function" "Breakpoint \[0-9\].*" \
  57   "Set breakpoint at thread_function"
  58
  59 gdb_test "continue" ".*Breakpoint 2.*" "Stopped in thread_function"
  60
  61 send_gdb "thread\n"
  62 gdb_expect {
  63   -re ".*Current thread is (\[0-9\]*).*$gdb_prompt $" { pass "Thread command" }
  64   -re ".*$gdb_prompt $" { fail "Thread command" }
  65   timeout { fail "(timeout) Thread command" }
  66 }
  67
  68 set thread_num "$expect_out(1,string)"
  69
  70 gdb_test "disable 2" "" "Disable breakpoint 2"
  71 gdb_test "watch shared_var thread $thread_num" "Hardware watchpoint 3: shared_var" "Watchpoint on shared variable"
  72 gdb_test "info breakpoint 3" "stop only in thread $thread_num"
  73
  74 for {set i 1} {$i <= 10} {incr i 1} {
  75 gdb_test "continue" "Hardware watchpoint 3: shared_var.*" \
  76   "Watchpoint triggered iteration $i"
  77 gdb_test "thread" ".*Current thread is $thread_num .*" \
  78   "Check thread that triggered iteration $i"
  79 }
  80