gdb/testsuite/gdb.cp/gdb2384.exp

   1 # Copyright 2007-2015 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 # When gdb resolves type information for class "derived" from objfile
  17 # gdb2384, it use to fill in the TYPE_VPTR_BASETYPE field with class "base"
  18 # from objfile gdb2384-base.so.  When the program is rerun the type
  19 # information for base-in-so-base.so is discarded leaving
  20 # TYPE_VPTR_BASETYPE dangling.
  21 #
  22 # PR c++/9489.
  23
  24 if { [skip_cplus_tests] } { continue }
  25 if { [skip_shlib_tests] } { continue }
  26
  27 standard_testfile .cc gdb2384-base.cc
  28
  29 set sofile [standard_output_file gdb2384-base.so]
  30
  31 # Create and source the file that provides information about the compiler
  32 # used to compile the test case.
  33 if [get_compiler_info "c++"] {
  34     return -1
  35 }
  36
  37 if { [gdb_compile_shlib $srcdir/$subdir/$srcfile2 $sofile {debug c++}] != ""
  38      || [gdb_compile $srcdir/$subdir/$srcfile $binfile executable [list debug "c++" shlib=${sofile}]] != ""} {
  39     untested gdb2384.exp
  40     return -1
  41 }
  42
  43 clean_restart ${binfile}
  44 gdb_load_shlibs ${sofile}
  45
  46
  47 if ![runto_main] then {
  48     perror "couldn't run to breakpoint"
  49     return -1
  50 }
  51
  52 gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
  53 gdb_continue_to_breakpoint "set breakpoint here"
  54
  55 gdb_test "print d1.meth ()" \
  56     ".*42.*" \
  57     "print d1.meth ()"
  58
  59 # Now try again.  gdb's without the fix will hopefully segv here
  60
  61 runto_main
  62 gdb_breakpoint [gdb_get_line_number "set breakpoint here"]
  63 gdb_continue_to_breakpoint "set breakpoint here"
  64 gdb_test "print d1.meth ()" \
  65     ".*42.*" \
  66     "gdb2384"
  67
  68 # second case
  69
  70 runto_main
  71 gdb_breakpoint [gdb_get_line_number "set breakpoint here (second)"]
  72 gdb_continue_to_breakpoint "set breakpoint here (second)"
  73 gdb_test "print d2.meth ()" \
  74     ".*24.*" \
  75     "print d2.meth()"
  76
  77 runto_main
  78 gdb_breakpoint [gdb_get_line_number "set breakpoint here (second)"]
  79 gdb_continue_to_breakpoint "set breakpoint here (second)"
  80 gdb_test "print d2.meth ()" \
  81     ".*24.*" \
  82     "gdb2384 (second)"
  83