1 # Copyright 1998-2013 Free Software Foundation, Inc.
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.
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.
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/>.
16 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
17 # And rewritten by Michael Chastain <mec.gnu@mindspring.com>
19 # This file is part of the gdb testsuite
21 # tests for inheritance, with several derivations types combinations
22 # (private, public, protected)
23 # classes have simple members and member functions.
31 if { [skip_cplus_tests] } { continue }
33 load_lib "cp-support.exp"
37 if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
41 # Check inheritance of typedefs.
42 foreach klass {"A" "D" "E" "F"} {
43 gdb_test "ptype ${klass}::value_type" "type = int"
44 gdb_test "whatis ${klass}::value_type" "type = int"
45 gdb_test "p (${klass}::value_type) 0" " = 0"
47 foreach klass {"Z" "ZZ"} {
48 gdb_test "ptype ${klass}::value_type" "type = float"
49 gdb_test "whatis ${klass}::value_type" "type = float"
50 gdb_test "p (${klass}::value_type) 0" " = 0"
53 # Set it up at a breakpoint so we can play with the variable values.
55 if ![runto 'marker1'] then {
56 perror "couldn't run to marker1"
60 gdb_test "up" ".*main.*" "up from marker1"
62 # Print class types and values.
66 gdb_test "print a_instance" "\\$\[0-9\]+ = \{a = 1, aa = 2\}" "print value of a_instance"
69 "a_instance" "" "class" "A" \
71 { field public "A::value_type a;" }
72 { field public "A::value_type aa;" }
73 { method public "A();" }
74 { method public "A::value_type afoo();" }
75 { method public "A::value_type foo();" }
76 { typedef public "typedef int value_type;" }
81 gdb_test_multiple "print d_instance" "print value of d_instance" {
82 -re "\\$\[0-9\]+ = \{<(class A|A)> = \{a = 1, aa = 2\}, <(class B|B)> = \{b = 3, bb = 4\}, <(class C|C)> = \{c = 5, cc = 6\}, d = 7, dd = 8\}$nl$gdb_prompt $" {
83 pass "print value of d_instance"
88 "d_instance" "" "class" "D" \
92 { base "protected C" }
93 { field public "A::value_type d;" }
94 { field public "A::value_type dd;" }
95 { method public "D();" }
96 { method public "A::value_type dfoo();" }
97 { method public "A::value_type foo();" }
101 { "protected C" "private C" { setup_xfail "*-*-*" "gcc/13539" } }
106 gdb_test_multiple "print e_instance" "print value of e_instance" {
107 -re "\\$\[0-9\]+ = \{<(class A|A)> = \{a = 1, aa = 2\}, <(class B|B)> = \{b = 3, bb = 4\}, <(class C|C)> = \{c = 5, cc = 6\}, e = 9, ee = 10\}$nl$gdb_prompt $" {
108 pass "print value of e_instance"
112 cp_test_ptype_class \
113 "e_instance" "" "class" "E" \
117 { base "protected C" }
118 { field public "A::value_type e;" }
119 { field public "A::value_type ee;" }
120 { method public "E();" }
121 { method public "A::value_type efoo();" }
122 { method public "A::value_type foo();" }
126 { "protected C" "private C" { setup_xfail "*-*-*" "gcc/13539" } }
131 gdb_test_multiple "print f_instance" "print value of f_instance" {
132 -re "\\$\[0-9\]+ = \{<(class A|A)> = \{a = 1, aa = 2\}, <(class B|B)> = \{b = 3, bb = 4\}, <(class C|C)> = \{c = 5, cc = 6\}, f = 11, ff = 12\}$nl$gdb_prompt $" {
133 pass "print value of f_instance"
137 cp_test_ptype_class \
138 "f_instance" "" "class" "F" \
143 { field public "A::value_type f;" }
144 { field public "A::value_type ff;" }
145 { method public "F();" }
146 { method public "A::value_type ffoo();" }
147 { method public "A::value_type foo();" }
151 cp_test_ptype_class \
152 "g_instance" "" "class" "G" \
156 { base "protected C" }
157 { field public "int g;" }
158 { field public "int gg;" }
159 { field public "int a;" }
160 { field public "int b;" }
161 { field public "int c;" }
162 { method public "int gfoo();" }
163 { method public "int foo();" }
166 # Print individual fields.
168 gdb_test "print d_instance.a" "\\$\[0-9\]+ = 1" "print value of d_instance.a"
169 gdb_test "print d_instance.aa" "\\$\[0-9\]+ = 2" "print value of d_instance.aa"
170 gdb_test "print d_instance.b" "\\$\[0-9\]+ = 3" "print value of d_instance.b"
171 gdb_test "print d_instance.bb" "\\$\[0-9\]+ = 4" "print value of d_instance.bb"
172 gdb_test "print d_instance.c" "\\$\[0-9\]+ = 5" "print value of d_instance.c"
173 gdb_test "print d_instance.cc" "\\$\[0-9\]+ = 6" "print value of d_instance.cc"
174 gdb_test "print d_instance.d" "\\$\[0-9\]+ = 7" "print value of d_instance.d"
175 gdb_test "print d_instance.dd" "\\$\[0-9\]+ = 8" "print value of d_instance.dd"
177 # Print some fields which are defined in the top of class G
178 # and in its base classes. This is not be ambiguous.
180 gdb_test "print g_instance.a" "\\$\[0-9\]+ = 15" "print value of g_instance.a"
181 gdb_test "print g_instance.b" "\\$\[0-9\]+ = 16" "print value of g_instance.b"
182 gdb_test "print g_instance.c" "\\$\[0-9\]+ = 17" "print value of g_instance.c"
184 # Print a function call.
186 gdb_test "print g_instance.afoo()" "\\$\[0-9\]+ = 1" "print value of g_instance.afoo()"
188 # If GDB fails to restore the selected frame properly after the
189 # inferior function call above (see GDB PR 1155 for an explanation of
190 # why this might happen), all the subsequent tests will fail. We
191 # should detect report that failure, but let the marker call finish so
192 # that the rest of the tests can run undisturbed.
194 gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" {
195 -re "#0 marker1.*$gdb_prompt $" {
196 setup_kfail "gdb/1155" s390-*-linux-gnu
197 fail "re-selected 'main' frame after inferior call"
198 gdb_test "finish" ".*main.*at .*derivation.cc:.*// marker1-returns-here.*" \
199 "finish call to marker1"
201 -re "#1 ($hex in )?main.*$gdb_prompt $" {
202 pass "re-selected 'main' frame after inferior call"
206 gdb_test "print g_instance.bfoo()" "\\$\[0-9\]+ = 2" "print value of g_instance.bfoo()"
207 gdb_test "print g_instance.cfoo()" "\\$\[0-9\]+ = 3" "print value of g_instance.cfoo()"
209 # Check typedefs of fields
210 foreach Klass {"C" "G"} {
211 set klass [string tolower $Klass]
212 set instance "${klass}_instance"
213 set var "${instance}.$klass"
214 gdb_test "whatis $var" "int"
215 gdb_test "ptype $var" "int"
218 foreach Klass {"A" "B" "D" "E" "F"} {
219 set klass [string tolower $Klass]
220 set instance "${klass}_instance"
221 set var "${instance}.$klass"
222 gdb_test "whatis $var" "A::value_type"
223 gdb_test "ptype $var" "int"
224 if {![string equal $Klass "B"]} {
225 gdb_test "p (${Klass}::value_type) 0" " = 0"
229 foreach Klass {"Z" "ZZ"} {
230 set klass [string tolower $Klass]
231 set instance "${klass}_instance"
232 set var "${instance}.$klass"
233 gdb_test "whatis $var" "Z::value_type"
234 gdb_test "ptype $var" "float"
235 gdb_test "p (${Klass}::value_type) 0" " = 0"
238 # This is a regression test for a bug that caused a crash when trying
239 # to print the vtbl pointer. We don't care about the output so much
240 # here (it is tested elsewhere), just that gdb doesn't crash. We test
241 # "ptype" first because, before the gdb fix, that was the only code
242 # path calling get_vptr_fieldno.
243 gdb_test "ptype vderived" "type = .*"
244 gdb_test "print vderived" " = {.* inter = 0.*x = 0}"
246 # Test whether inheritance of typedefs is properly
247 # reported when stopped.
248 gdb_test "ptype N::value_type" "type = double"
249 gdb_test "ptype N::Derived::value_type" "type = int"
251 # Now run to N::Derived::doit and get the type of "value_type"
252 if {![runto "N::Derived::doit"]} {
253 perrro "couldn't run to N::Derived::doit"
257 gdb_test "ptype value_type" "type = int"