gdb/testsuite/gdb.cp/rtti.exp

   1 # Copyright 2003-2004, 2007-2012 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 # This file is part of the gdb testsuite.
  17
  18 # This contains tests for GDB's use of RTTI information.  This stems
  19 # from a bug reported in PR gdb/488 and other places, which leads to
  20 # statements like 'warning: can't find class named 'C::D', as given by
  21 # C++ RTTI'.  It arises from GDB not knowing about classes that are
  22 # defined in namespaces.
  23
  24 # NOTE: carlton/2003-05-16: I suspect it could arise from nested class
  25 # issues, too, and even once we fix that, there might be situations
  26 # (involving templates, in particular) where this problem triggers
  27 # because GDB and GCC have different ideas what a class is called.
  28
  29 if { [skip_cplus_tests] } { continue }
  30
  31 #
  32 # test running programs
  33 #
  34
  35 set testfile "rtti"
  36 set srcfile1 "${testfile}1.cc"
  37 set objfile1 "${testfile}1.o"
  38 set srcfile2 "${testfile}2.cc"
  39 set objfile2 "${testfile}2.o"
  40 set binfile  "${objdir}/${subdir}/${testfile}"
  41
  42 if  { [gdb_compile "$srcdir/$subdir/$srcfile1" "$objdir/$subdir/$objfile1" object {debug c++}] != "" } {
  43      untested rtti.exp
  44      return -1
  45 }
  46
  47 if  { [gdb_compile "$srcdir/$subdir/$srcfile2" "$objdir/$subdir/$objfile2" object {debug c++}] != "" } {
  48      untested rtti.exp
  49      return -1
  50 }
  51
  52 if  { [gdb_compile "$objdir/$subdir/$objfile1 $objdir/$subdir/$objfile2" "${binfile}" executable {debug c++}] != "" } {
  53      untested rtti.exp
  54      return -1
  55 }
  56
  57 if [get_compiler_info "c++"] {
  58     return -1
  59 }
  60
  61 gdb_exit
  62 gdb_start
  63 gdb_reinitialize_dir $srcdir/$subdir
  64 gdb_load ${binfile}
  65
  66
  67 if ![runto_main] then {
  68     perror "couldn't run to breakpoint"
  69     continue
  70 }
  71
  72 # First, run to after we've constructed the object:
  73
  74 gdb_breakpoint [gdb_get_line_number "main-constructs-done" "$srcfile1"]
  75 gdb_continue_to_breakpoint "end of constructors in main"
  76
  77 gdb_test_multiple "print *e1" "print *e1" {
  78     -re "warning: RTTI symbol not found for class 'n1::D1'.*$gdb_prompt $" {
  79         # gdb HEAD 2003-12-05
  80         kfail "gdb/488" "print *e1"
  81     }
  82     -re "warning: can't find class named `n1::D1', as given by C\\+\\+ RTTI.*$gdb_prompt $" {
  83         # gdb 6.0
  84         kfail "gdb/488" "print *e1"
  85     }
  86     -re "\\$\[0-9\]* = {<n1::Base1> = .*}\r\n$gdb_prompt $" {
  87         pass "print *e1"
  88     }
  89     -re "\\$\[0-9\]* = {<Base1> = .*}\r\n$gdb_prompt $" {
  90         # NOTE: carlton/2003-05-16: If code is compiled by GCC2, we
  91         # don't print the warning (for no particular reason), but we
  92         # still call the class via the wrong name; PR gdb/57 is our
  93         # catch-all PR for nested type problems.
  94         kfail "gdb/57" "print *e1"
  95     }
  96 }
  97
  98 # NOTE: carlton/2004-01-14: This test with an "<incomplete type>"
  99 # message because, within rtt1.cc, GDB has no way of knowing that the
 100 # class is called 'n2::D2' instead of just 'D2'.  This is an artifical
 101 # test case, though: if we were using these classes in a more
 102 # substantial way, G++ would emit more debug info.  As is, I don't
 103 # think there's anything that GDB can do about this case until G++
 104 # starts emitting DW_TAG_namespace info; this should arrive with GCC
 105 # 3.4.
 106
 107 gdb_test_multiple "print *e2" "print *e2" {
 108     -re "warning: RTTI symbol not found for class 'n2::D2'.*$gdb_prompt $" {
 109         # gdb HEAD 2003-12-05
 110         kfail "gdb/488" "print *e2"
 111     }
 112     -re "warning: can't find class named `n2::D2', as given by C\\+\\+ RTTI.*$gdb_prompt $" {
 113         # gdb 6.0
 114         kfail "gdb/488" "print *e2"
 115     }
 116     -re "\\$\[0-9\]* = <incomplete type>\r\n$gdb_prompt $" {
 117         kfail "gdb/1511" "print *e2"
 118     }
 119     -re "\\$\[0-9\]* = {<n2::Base2> = .*}\r\n$gdb_prompt $" {
 120         pass "print *e2"
 121     }
 122     -re "\\$\[0-9\]* = {<Base2> = .*}\r\n$gdb_prompt $" {
 123         kfail "gdb/57" "print *e2"
 124     }
 125 }
 126
 127 # Now we test the hack that's been implemented to get around some
 128 # instances of PR gdb/1511.
 129
 130 gdb_breakpoint [gdb_get_line_number "func-constructs-done" "$srcfile1"]
 131 gdb_continue_to_breakpoint "end of constructors in func"
 132
 133 gdb_test "print *obj" "\\$\[0-9\]* = {<n2::Base2> = .*}"
 134
 135 gdb_breakpoint [gdb_get_line_number "func3-constructs-done" "$srcfile1"]
 136 gdb_continue_to_breakpoint "end of constructors in func3"
 137
 138 gdb_test "print *obj3" "\\$\[0-9\]* = {<n2::C2> = .*}"
 139
 140 gdb_exit
 141 return 0