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

   1 #   Copyright 2007, 2009 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 $tracelevel
  18 }
  19
  20 #
  21 # test running programs
  22 #
  23 set prms_id 0
  24 set bug_id 0
  25
  26 if {[skip_shlib_tests]} {
  27     return 0
  28 }
  29
  30 # TODO: Use LoadLibrary on this target instead of dlopen.
  31 if {[istarget arm*-*-symbianelf*]} {
  32     return 0
  33 }
  34
  35 set testfile "watchpoint-solib"
  36 set libfile "watchpoint-solib-shr"
  37 set libname "${libfile}.sl"
  38 set libsrcfile ${libfile}.c
  39 set srcfile $srcdir/$subdir/$testfile.c
  40 set binfile $objdir/$subdir/$testfile
  41 set shlibdir ${objdir}/${subdir}
  42 set libsrc  $srcdir/$subdir/$libfile.c
  43 set lib_sl  $objdir/$subdir/$libname
  44
  45 if [get_compiler_info ${binfile}] {
  46     return -1
  47 }
  48
  49 set lib_opts debug
  50 set exec_opts [list debug shlib_load additional_flags=-DSHLIB_NAME\=\"${libname}\"]
  51
  52 if { [gdb_compile_shlib $libsrc $lib_sl $lib_opts] != ""
  53      || [gdb_compile $srcfile $binfile executable $exec_opts] != ""} {
  54     untested "Couldn't compile $libsrc or $srcfile."
  55     return -1
  56 }
  57
  58 # Start with a fresh gdb.
  59
  60 gdb_exit
  61 gdb_start
  62 gdb_reinitialize_dir $srcdir/$subdir
  63 gdb_load ${binfile}
  64 gdb_load_shlibs $lib_sl
  65
  66 if [target_info exists gdb_stub] {
  67     gdb_step_for_stub;
  68 }
  69
  70 runto_main
  71
  72 # Disable hardware watchpoints if necessary.
  73 if [target_info exists gdb,no_hardware_watchpoints] {
  74     gdb_test "set can-use-hw-watchpoints 0" "" ""
  75 }
  76
  77 # Test that if we set a watchpoint on a global variable
  78 # in a explicitly loaded shared library, and then
  79 # re-run the application, gdb does not crash.
  80 gdb_test_multiple "break foo" "set pending breakpoint" {
  81      -re ".*Make breakpoint pending.*y or \\\[n\\\]. $" {
  82             gdb_test "y" "Breakpoint.*foo.*pending." "set pending breakpoint"
  83      }
  84 }
  85
  86 gdb_test "continue" ".*Breakpoint 2.*foo.*" "continue to foo"
  87 gdb_test "watch g" "atchpoint 3: g" "set watchpoint on g"
  88 gdb_test "continue" ".*New value = 1.*" "continue to watchpoint hit"
  89 rerun_to_main
  90 gdb_test "continue" ".*Breakpoint 2.*foo.*" "continue to foo again"
  91 gdb_test "continue" ".*New value = 1.*" "continue to watchpoint hit again"
  92
  93
  94
  95
  96