# Copyright 2010-2012 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # This file is part of the gdb testsuite. if { [skip_cplus_tests] } { continue } set testfile "virtbase" set srcfile ${testfile}.cc set binfile ${objdir}/${subdir}/${testfile} if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } { untested virtbase.exp return -1 } gdb_exit gdb_start gdb_reinitialize_dir $srcdir/$subdir gdb_load ${binfile} if {![runto_main]} then { perror "couldn't run to breakpoint" continue } gdb_breakpoint [gdb_get_line_number "breakpoint 1"] gdb_continue_to_breakpoint "first breakpoint" # In PR 11226, we failed to print x correctly in the "print *this" # case. gdb_test "print *this" " = {<mc::Base> = {x = 2}, _vptr.Middle = $hex, y = 3}" gdb_test "print x" " = 2" "print x in get_y" gdb_breakpoint [gdb_get_line_number "breakpoint 2"] gdb_continue_to_breakpoint "second breakpoint" # In PR 11226, we could not find x here. gdb_test "print x" " = 2" "print x in get_z" gdb_breakpoint [gdb_get_line_number "breakpoint 3"] gdb_continue_to_breakpoint "third breakpoint" # In PR 9629, we failed to print v correctly here. gdb_test "print *(D *) e" " = {<C> = {v = 11}, _vptr.D = $hex}" # A regression test reported to Red Hat bugzilla, see: # https://bugzilla.redhat.com/show_bug.cgi?id=560741 gdb_test_no_output "set print object on" gdb_test "print/x b->mA" " = 0xaaaaaaaa" # A regression test reported to Red Hat bugzilla, see: # https://bugzilla.redhat.com/show_bug.cgi?id=606660 # `set print object on' is expected. gdb_test "print rtti_data" " = .*, data = 1\}" # Printing a pointer into a virtual base of a larger object used to do # pointer adjusment directly into the value being printed, in-place # (and did it wrong, too). Print the pointer, and then access the # value history to check the pointer value is not changed. If it had # been changed, then we'd not be able to find the real type anymore. gdb_test "print virtual_middle_b" \ " = \\(Virtual \\*\\) $hex" \ "print pointer to virtual base at non-zero offset of larger object" gdb_test "print $" \ " = \\(Virtual \\*\\) $hex" \ "print same pointer from history value" gdb_test "print *$$" \ " = \\(Virtual\\) {<VirtualMiddleA> = {<VirtualBase> = {_vptr.VirtualBase = $hex, x = 0}, _vptr.VirtualMiddleA = $hex, y = \\{0 <repeats 300 times>\\}}, <VirtualMiddleB> = {_vptr.VirtualMiddleB = $hex, y = 0}, _vptr.Virtual = $hex, z = 0}" \ "print whole pointed-to object, starting from the virtual base pointer"