1# Copyright 2003-2023 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 29if { [skip_cplus_tests] } { return } 30 31# 32# test running programs 33# 34 35standard_testfile rtti1.cc rtti2.cc 36 37if {[prepare_for_testing "failed to prepare" $testfile \ 38 [list $srcfile $srcfile2] {debug c++}]} { 39 return -1 40} 41 42if {![runto_main]} { 43 return 44} 45 46# First, run to after we've constructed the object: 47 48gdb_breakpoint [gdb_get_line_number "main-constructs-done" "$srcfile"] 49gdb_continue_to_breakpoint "end of constructors in main" 50 51gdb_test_multiple "print *e1" "print *e1" { 52 -re "warning: RTTI symbol not found for class 'n1::D1'.*$gdb_prompt $" { 53 # gdb HEAD 2003-12-05 54 kfail "gdb/488" "print *e1" 55 } 56 -re "warning: can't find class named `n1::D1', as given by C\\+\\+ RTTI.*$gdb_prompt $" { 57 # gdb 6.0 58 kfail "gdb/488" "print *e1" 59 } 60 -re "\\$\[0-9\]* = {<n1::Base1> = .*}\r\n$gdb_prompt $" { 61 pass "print *e1" 62 } 63 -re "\\$\[0-9\]* = {<Base1> = .*}\r\n$gdb_prompt $" { 64 # NOTE: carlton/2003-05-16: If code is compiled by GCC2, we 65 # don't print the warning (for no particular reason), but we 66 # still call the class via the wrong name; PR gdb/57 is our 67 # catch-all PR for nested type problems. 68 kfail "gdb/57" "print *e1" 69 } 70} 71 72# NOTE: carlton/2004-01-14: This test with an "<incomplete type>" 73# message because, within rtt1.cc, GDB has no way of knowing that the 74# class is called 'n2::D2' instead of just 'D2'. This is an artifical 75# test case, though: if we were using these classes in a more 76# substantial way, G++ would emit more debug info. As is, I don't 77# think there's anything that GDB can do about this case until G++ 78# starts emitting DW_TAG_namespace info; this should arrive with GCC 79# 3.4. 80 81gdb_test_multiple "print *e2" "print *e2" { 82 -re "warning: RTTI symbol not found for class 'n2::D2'.*$gdb_prompt $" { 83 # gdb HEAD 2003-12-05 84 kfail "gdb/488" "print *e2" 85 } 86 -re "warning: can't find class named `n2::D2', as given by C\\+\\+ RTTI.*$gdb_prompt $" { 87 # gdb 6.0 88 kfail "gdb/488" "print *e2" 89 } 90 -re "\\$\[0-9\]* = <incomplete type>\r\n$gdb_prompt $" { 91 kfail "gdb/1511" "print *e2" 92 } 93 -re "\\$\[0-9\]* = {<n2::Base2> = .*}\r\n$gdb_prompt $" { 94 pass "print *e2" 95 } 96 -re "\\$\[0-9\]* = {<Base2> = .*}\r\n$gdb_prompt $" { 97 kfail "gdb/57" "print *e2" 98 } 99} 100 101# Now we test the hack that's been implemented to get around some 102# instances of PR gdb/1511. 103 104gdb_breakpoint [gdb_get_line_number "func-constructs-done" "$srcfile"] 105gdb_continue_to_breakpoint "end of constructors in func" 106 107gdb_test "print *obj" "\\$\[0-9\]* = {<n2::Base2> = .*}" 108 109gdb_breakpoint [gdb_get_line_number "func3-constructs-done" "$srcfile"] 110gdb_continue_to_breakpoint "end of constructors in func3" 111 112gdb_test "print *obj3" "\\$\[0-9\]* = {<n2::C2> = .*}" 113 114gdb_exit 115return 0 116