1 # Copyright 1998-2023 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] } { return }
33 load_lib "cp-support.exp"
35 standard_testfile derivation.cc derivation2.cc
37 if {[prepare_for_testing "failed to prepare" $testfile \
38 [list $srcfile $srcfile2] {debug c++}]} {
42 # Check inheritance of typedefs.
43 with_test_prefix "before run" {
44 foreach klass {"A" "D" "E" "F" "A2" "D2"} {
45 gdb_test "ptype ${klass}::value_type" "type = int"
46 gdb_test "whatis ${klass}::value_type" "type = int"
47 gdb_test "p (${klass}::value_type) 0" " = 0"
49 foreach klass {"Z" "ZZ"} {
50 gdb_test "ptype ${klass}::value_type" "type = float"
51 gdb_test "whatis ${klass}::value_type" "type = float"
52 gdb_test "p (${klass}::value_type) 0" " = 0"
56 # Set it up at a breakpoint so we can play with the variable values.
58 if {![runto 'marker1']} {
62 # Check inheritance of typedefs again, but this time with an active block.
63 with_test_prefix "at marker1" {
64 foreach klass {"A" "D" "A2" "D2"} {
65 gdb_test "ptype ${klass}::value_type" "type = int"
66 gdb_test "whatis ${klass}::value_type" "type = int"
67 gdb_test "p (${klass}::value_type) 0" " = 0"
71 gdb_test "up" ".*main.*" "up from marker1"
73 # Print class types and values.
77 gdb_test "print a_instance" "\\$\[0-9\]+ = \{a = 1, aa = 2\}" "print value of a_instance"
79 # Clang does not add accessibility information for typedefs inside classes.
80 if {[test_compiler_info {clang*} c++]} {
81 setup_xfail "clang 57608" *-*-*
84 "a_instance" "" "class" "A" \
86 { field public "A::value_type a;" }
87 { field public "A::value_type aa;" }
88 { method public "A();" }
89 { method public "A::value_type afoo();" }
90 { method public "A::value_type foo();" }
91 { typedef public "typedef int value_type;" }
96 gdb_test_multiple "print d_instance" "print value of d_instance" {
97 -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 $" {
98 pass "print value of d_instance"
102 cp_test_ptype_class \
103 "d_instance" "" "class" "D" \
107 { base "protected C" }
108 { field public "A::value_type d;" }
109 { field public "A::value_type dd;" }
110 { method public "D();" }
111 { method public "A::value_type dfoo();" }
112 { method public "A::value_type foo();" }
116 { "protected C" "private C" { setup_xfail "*-*-*" "gcc/13539" } }
121 gdb_test_multiple "print e_instance" "print value of e_instance" {
122 -re "\\$\[0-9\]+ = \{<(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 $" {
123 pass "print value of e_instance"
127 cp_test_ptype_class \
128 "e_instance" "" "class" "E" \
132 { base "protected C" }
133 { field public "A::value_type e;" }
134 { field public "A::value_type ee;" }
135 { method public "E();" }
136 { method public "A::value_type efoo();" }
137 { method public "A::value_type foo();" }
141 { "protected C" "private C" { setup_xfail "*-*-*" "gcc/13539" } }
146 gdb_test_multiple "print f_instance" "print value of f_instance" {
147 -re "\\$\[0-9\]+ = \{<(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 $" {
148 pass "print value of f_instance"
152 cp_test_ptype_class \
153 "f_instance" "" "class" "F" \
158 { field public "A::value_type f;" }
159 { field public "A::value_type ff;" }
160 { method public "F();" }
161 { method public "A::value_type ffoo();" }
162 { method public "A::value_type foo();" }
166 cp_test_ptype_class \
167 "g_instance" "" "class" "G" \
171 { base "protected C" }
172 { field public "int g;" }
173 { field public "int gg;" }
174 { field public "int a;" }
175 { field public "int b;" }
176 { field public "int c;" }
177 { method public "int gfoo();" }
178 { method public "int foo();" }
181 # Print individual fields.
183 gdb_test "print d_instance.a" "\\$\[0-9\]+ = 1" "print value of d_instance.a"
184 gdb_test "print d_instance.aa" "\\$\[0-9\]+ = 2" "print value of d_instance.aa"
185 gdb_test "print d_instance.b" "\\$\[0-9\]+ = 3" "print value of d_instance.b"
186 gdb_test "print d_instance.bb" "\\$\[0-9\]+ = 4" "print value of d_instance.bb"
187 gdb_test "print d_instance.c" "\\$\[0-9\]+ = 5" "print value of d_instance.c"
188 gdb_test "print d_instance.cc" "\\$\[0-9\]+ = 6" "print value of d_instance.cc"
189 gdb_test "print d_instance.d" "\\$\[0-9\]+ = 7" "print value of d_instance.d"
190 gdb_test "print d_instance.dd" "\\$\[0-9\]+ = 8" "print value of d_instance.dd"
192 # Print some fields which are defined in the top of class G
193 # and in its base classes. This is not be ambiguous.
195 gdb_test "print g_instance.a" "\\$\[0-9\]+ = 15" "print value of g_instance.a"
196 gdb_test "print g_instance.b" "\\$\[0-9\]+ = 16" "print value of g_instance.b"
197 gdb_test "print g_instance.c" "\\$\[0-9\]+ = 17" "print value of g_instance.c"
199 # Print a function call.
201 gdb_test "print g_instance.afoo()" "\\$\[0-9\]+ = 1" "print value of g_instance.afoo()"
203 # If GDB fails to restore the selected frame properly after the
204 # inferior function call above (see GDB PR 1155 for an explanation of
205 # why this might happen), all the subsequent tests will fail. We
206 # should detect report that failure, but let the marker call finish so
207 # that the rest of the tests can run undisturbed.
209 gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" {
210 -re "#0 marker1.*$gdb_prompt $" {
211 setup_kfail "gdb/1155" s390-*-linux-gnu
212 fail "re-selected 'main' frame after inferior call"
213 gdb_test "finish" ".*main.*at .*derivation.cc:.*// marker1-returns-here.*" \
214 "finish call to marker1"
216 -re "#1 ($hex in )?main.*$gdb_prompt $" {
217 pass "re-selected 'main' frame after inferior call"
221 gdb_test "print g_instance.bfoo()" "\\$\[0-9\]+ = 2" "print value of g_instance.bfoo()"
222 gdb_test "print g_instance.cfoo()" "\\$\[0-9\]+ = 3" "print value of g_instance.cfoo()"
224 # Check typedefs of fields
225 foreach Klass {"C" "G"} {
226 set klass [string tolower $Klass]
227 set instance "${klass}_instance"
228 set var "${instance}.$klass"
229 gdb_test "whatis $var" "int"
230 gdb_test "ptype $var" "int"
233 foreach Klass {"A" "B" "D" "E" "F"} {
234 set klass [string tolower $Klass]
235 set instance "${klass}_instance"
236 set var "${instance}.$klass"
237 gdb_test "whatis $var" "A::value_type"
238 gdb_test "ptype $var" "int"
239 if {![string equal $Klass "B"]} {
240 gdb_test "p (${Klass}::value_type) 0" " = 0"
244 foreach Klass {"Z" "ZZ"} {
245 set klass [string tolower $Klass]
246 set instance "${klass}_instance"
247 set var "${instance}.$klass"
248 gdb_test "whatis $var" "Z::value_type"
249 gdb_test "ptype $var" "float"
250 gdb_test "p (${Klass}::value_type) 0" " = 0"
253 # This is a regression test for a bug that caused a crash when trying
254 # to print the vtbl pointer. We don't care about the output so much
255 # here (it is tested elsewhere), just that gdb doesn't crash. We test
256 # "ptype" first because, before the gdb fix, that was the only code
257 # path calling get_vptr_fieldno.
258 gdb_test "ptype vderived" "type = .*"
259 gdb_test "print vderived" " = {.* inter = 0.*x = 0}"
261 # Test whether inheritance of typedefs is properly
262 # reported when stopped.
263 gdb_test "ptype N::value_type" "type = double"
264 gdb_test "ptype N::Derived::value_type" "type = int"
266 # Now run to N::Derived::doit and get the type of "value_type"
267 if {![runto "N::Derived::doit"]} {
271 gdb_test "ptype value_type" "type = int"