gdb/testsuite/gdb.base/watchpoint-cond-gone.exp

   1 # Copyright 2010 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 set testfile "watchpoint-cond-gone"
  17 set srcfile ${testfile}.c
  18 set srcfilestripped ${testfile}-stripped.c
  19 set objfilestripped ${objdir}/${subdir}/${testfile}-stripped.o
  20 set binfile ${objdir}/${subdir}/${testfile}
  21
  22 # We need to generate a function without DWARF to crash older GDB.
  23 # Stepping into a dynamic function trampoline or stepping out of MAIN may work
  24 # but it is not a reliable FAIL case.
  25
  26 if  { [gdb_compile "${srcdir}/${subdir}/${srcfilestripped}" "${objfilestripped}" object {}] != ""
  27       || [gdb_compile "${srcdir}/${subdir}/${srcfile} ${objfilestripped}" "${binfile}" executable {debug}] != "" } {
  28     untested watchpoint-cond-gone.exp
  29     return -1
  30 }
  31
  32 clean_restart ${testfile}
  33
  34 # Problem does not occur otherwise.
  35 gdb_test_no_output "set can-use-hw-watchpoints 0"
  36
  37 if ![runto_main] {
  38     return -1
  39 }
  40
  41 gdb_breakpoint [gdb_get_line_number "watchpoint-here"]
  42 gdb_continue_to_breakpoint "Place to set the watchpoint"
  43
  44 # The condition `c == 30' is the subject being tested.
  45 gdb_test "watch c if c == 30" "atchpoint \[0-9\]*.*" "Place the watchpoint"
  46
  47 # We may stay either in the function itself or only at the first instruction of
  48 # its caller depending on the epilogue unwinder (or valid epilogue CFI) presence.
  49 gdb_test "finish" \
  50          "Watchpoint .* deleted because the program has left the block in.*which its expression is valid..*in (jumper|func).*" \
  51          "Catch the no longer valid watchpoint"