gdb/testsuite/gdb.base/stack-checking.exp

   1 # Copyright 2008-2012 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 if $tracelevel then {
  17     strace $tracelevel
  18 }
  19
  20
  21 set testfile "stack-checking"
  22 set srcfile ${testfile}.c
  23 set binfile ${objdir}/${subdir}/${testfile}
  24
  25 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [concat debug additional_flags=-fstack-check nowarnings]] != "" } {
  26      untested stack-checking.exp
  27      return -1
  28 }
  29
  30 gdb_exit
  31 gdb_start
  32 gdb_reinitialize_dir $srcdir/$subdir
  33 gdb_load ${binfile}
  34
  35 if ![runto_main] then {
  36     fail "Can't run to main"
  37     return 0
  38 }
  39
  40
  41 # Test that the debugger is able to unwind to "main" at the next breakpoint
  42 # hit. The frame number of "main" should be passed into MAIN_FRAME_NUMBER."
  43 proc backtrace_test {name main_frame_number} {
  44     gdb_continue_to_breakpoint "breakpoint for $name"
  45     gdb_test "bt" "#${main_frame_number}.*in main ().*"
  46 }
  47
  48 gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
  49 backtrace_test "small frame" "1"
  50 backtrace_test "medium frame" "2"
  51 backtrace_test "big frame" "2"