gdb/testsuite/gdb.base/watchpoint-solib.exp

   1 #   Copyright 2007, 2009, 2010, 2011 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 $tracelevel
  18 }
  19
  20 #
  21 # test running programs
  22 #
  23
  24 if {[skip_shlib_tests]} {
  25     return 0
  26 }
  27
  28 set testfile "watchpoint-solib"
  29 set libfile "watchpoint-solib-shr"
  30 set libname "${libfile}.sl"
  31 set libsrcfile ${libfile}.c
  32 set srcfile $srcdir/$subdir/$testfile.c
  33 set binfile $objdir/$subdir/$testfile
  34 set shlibdir ${objdir}/${subdir}
  35 set libsrc  $srcdir/$subdir/$libfile.c
  36 set lib_sl  $objdir/$subdir/$libname
  37 set lib_dlopen [shlib_target_file ${libname}]
  38 set lib_syms [shlib_symbol_file ${libname}]
  39
  40 if [get_compiler_info ${binfile}] {
  41     return -1
  42 }
  43
  44 set lib_opts debug
  45 set exec_opts [list debug shlib_load additional_flags=-DSHLIB_NAME\=\"${lib_dlopen}\"]
  46
  47 if { [gdb_compile_shlib $libsrc $lib_sl $lib_opts] != ""
  48      || [gdb_compile $srcfile $binfile executable $exec_opts] != ""} {
  49     untested "Couldn't compile $libsrc or $srcfile."
  50     return -1
  51 }
  52
  53 # Start with a fresh gdb.
  54
  55 gdb_exit
  56 gdb_start
  57 gdb_reinitialize_dir $srcdir/$subdir
  58 gdb_load ${binfile}
  59 gdb_load_shlibs $lib_sl
  60
  61 if [target_info exists gdb_stub] {
  62     gdb_step_for_stub;
  63 }
  64
  65 runto_main
  66
  67 # Disable hardware watchpoints if necessary.
  68 if [target_info exists gdb,no_hardware_watchpoints] {
  69     gdb_test_no_output "set can-use-hw-watchpoints 0" ""
  70 }
  71
  72 # Test that if we set a watchpoint on a global variable
  73 # in a explicitly loaded shared library, and then
  74 # re-run the application, gdb does not crash.
  75 gdb_test_multiple "break foo" "set pending breakpoint" {
  76      -re ".*Make breakpoint pending.*y or \\\[n\\\]. $" {
  77             gdb_test "y" "Breakpoint.*foo.*pending." "set pending breakpoint"
  78      }
  79 }
  80
  81 set prev_timeout $timeout
  82 set timeout 120
  83
  84 gdb_test "continue" ".*Breakpoint 2.*foo.*" "continue to foo"
  85 gdb_test "watch g" "atchpoint 3: g" "set watchpoint on g"
  86 gdb_test "continue" ".*New value = 1.*" "continue to watchpoint hit"
  87 rerun_to_main
  88 gdb_test "continue" ".*Breakpoint 2.*foo.*" "continue to foo again"
  89 gdb_test "continue" ".*New value = 1.*" "continue to watchpoint hit again"
  90
  91 set timeout $prev_timeout