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

   1 #   Copyright 2007-2020 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 #
  17 # test running programs
  18 #
  19
  20 if {[skip_shlib_tests]} {
  21     return 0
  22 }
  23
  24 set testfile "watchpoint-solib"
  25 set libfile "watchpoint-solib-shr"
  26 set libname "${libfile}.sl"
  27 set libsrcfile ${libfile}.c
  28 set srcfile $srcdir/$subdir/$testfile.c
  29 set binfile [standard_output_file $testfile]
  30 set shlibdir [standard_output_file {}]
  31 set libsrc  $srcdir/$subdir/$libfile.c
  32 set lib_sl  [standard_output_file $libname]
  33 set lib_dlopen [shlib_target_file ${libname}]
  34 set lib_syms [shlib_symbol_file ${libname}]
  35
  36 if [get_compiler_info] {
  37     return -1
  38 }
  39
  40 set lib_opts debug
  41 set exec_opts [list debug shlib_load additional_flags=-DSHLIB_NAME=\"${lib_dlopen}\"]
  42
  43 if { [gdb_compile_shlib $libsrc $lib_sl $lib_opts] != ""
  44      || [gdb_compile $srcfile $binfile executable $exec_opts] != ""} {
  45     untested "failed to compile"
  46     return -1
  47 }
  48
  49 # Start with a fresh gdb.
  50
  51 gdb_exit
  52 gdb_start
  53 gdb_reinitialize_dir $srcdir/$subdir
  54 gdb_load ${binfile}
  55 gdb_load_shlib $lib_sl
  56
  57 runto_main
  58
  59 # Disable hardware watchpoints if necessary.
  60 if [target_info exists gdb,no_hardware_watchpoints] {
  61     gdb_test_no_output "set can-use-hw-watchpoints 0" ""
  62 }
  63
  64 # Test that if we set a watchpoint on a global variable
  65 # in a explicitly loaded shared library, and then
  66 # re-run the application, gdb does not crash.
  67 gdb_test_multiple "break foo" "set pending breakpoint" {
  68      -re ".*Make breakpoint pending.*y or \\\[n\\\]. $" {
  69             gdb_test "y" "Breakpoint.*foo.*pending." "set pending breakpoint"
  70      }
  71 }
  72
  73 gdb_test "continue" ".*Breakpoint 2.*foo.*" "continue to foo"
  74 gdb_test "watch g" "atchpoint 3: g" "set watchpoint on g"
  75 gdb_test "continue" ".*New value = 1.*" "continue to watchpoint hit"
  76 rerun_to_main
  77
  78 with_timeout_factor 30 {
  79     gdb_test "continue" ".*Breakpoint 2.*foo.*" "continue to foo again"
  80 }
  81
  82 gdb_test "continue" ".*New value = 1.*" "continue to watchpoint hit again"