1 # Copyright 1992, 1994-1999, 2001-2004, 2006-2012 Free Software
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 3 of the License, or
7 # (at your option) any later version.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # This file was written by Fred Fish. (fnf@cygnus.com)
18 # And rewritten by Michael Chastain <mec.gnu@mindspring.com>.
22 if { [skip_cplus_tests] } { continue }
24 load_lib "cp-support.exp"
26 set testfile "virtfunc"
27 set srcfile ${testfile}.cc
28 set binfile ${objdir}/${subdir}/${testfile}
30 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {c++ debug}] != "" } {
35 proc test_ptype_of_classes {} {
40 "ptype VA" "" "class" "VA" \
42 { field public "int va;" }
48 "ptype VB" "" "class" "VB" \
50 { field public "int vb;" }
51 { method public "int fvb();" }
52 { method public "virtual int vvb();" }
58 "ptype V" "" "class" "V" \
62 { field public "int w;" }
63 { method public "int f();" }
64 { method public "virtual int vv();" }
70 "ptype A" "" "class" "A" \
72 { base "public virtual V" }
74 { field private "int a;" }
75 { method public "virtual int f();" }
81 "ptype B" "" "class" "B" \
84 { field private "int b;" }
85 { method public "virtual int f();" }
91 "ptype C" "" "class" "C" \
93 { base "public virtual V" }
95 { field public "int c;" }
100 cp_test_ptype_class \
101 "ptype AD" "" "class" "AD" \
103 { method public "virtual int vg();" }
108 cp_test_ptype_class \
109 "ptype D" "" "class" "D" \
112 { base "public virtual V" }
114 { method public "static void s();" }
115 { method public "virtual int vg();" }
116 { method public "virtual int vd();" }
117 { method public "int fd();" }
118 { field public "int d;" }
123 cp_test_ptype_class \
124 "ptype E" "" "class" "E" \
127 { base "public virtual V" }
131 { method public "virtual int f();" }
132 { method public "virtual int vg();" }
133 { method public "virtual int vv();" }
134 { field public "int e;" }
139 cp_test_ptype_class "ptype dd" "" "class" "D" ibid
143 cp_test_ptype_class "ptype ppd" "" "class" "D" ibid "*"
145 # An instance of AD *
146 # TODO: this should be named pADd, not pAd.
148 cp_test_ptype_class "ptype pAd" "" "class" "AD" ibid "*"
150 # Instances of these classes.
152 cp_test_ptype_class "ptype a" "" "class" "A" ibid
153 cp_test_ptype_class "ptype b" "" "class" "B" ibid
154 cp_test_ptype_class "ptype c" "" "class" "C" ibid
155 cp_test_ptype_class "ptype d" "" "class" "D" ibid
156 cp_test_ptype_class "ptype e" "" "class" "E" ibid
157 cp_test_ptype_class "ptype v" "" "class" "V" ibid
158 cp_test_ptype_class "ptype vb" "" "class" "VB" ibid
160 # Instances of pointers to these classes.
162 cp_test_ptype_class "ptype pAa" "" "class" "A" ibid "*"
163 cp_test_ptype_class "ptype pAe" "" "class" "A" ibid "*"
164 cp_test_ptype_class "ptype pBe" "" "class" "B" ibid "*"
165 cp_test_ptype_class "ptype pDd" "" "class" "D" ibid "*"
166 cp_test_ptype_class "ptype pDe" "" "class" "D" ibid "*"
167 cp_test_ptype_class "ptype pVa" "" "class" "V" ibid "*"
168 cp_test_ptype_class "ptype pVv" "" "class" "V" ibid "*"
169 cp_test_ptype_class "ptype pVe" "" "class" "V" ibid "*"
170 cp_test_ptype_class "ptype pVd" "" "class" "V" ibid "*"
171 cp_test_ptype_class "ptype pADe" "" "class" "AD" ibid "*"
172 cp_test_ptype_class "ptype pEe" "" "class" "E" ibid "*"
173 cp_test_ptype_class "ptype pVB" "" "class" "VB" ibid "*"
177 # Call virtual functions.
179 proc test_virtual_calls {} {
183 if [target_info exists gdb,cannot_call_functions] {
184 setup_xfail "*-*-*" 2416
185 fail "This target can not call functions"
189 gdb_test "print pAe->f()" "\\$\[0-9\]+ = 20"
190 gdb_test "print pAa->f()" "\\$\[0-9\]+ = 1"
191 gdb_test "print pDe->vg()" "\\$\[0-9\]+ = 202"
192 gdb_test "print pADe->vg()" "\\$\[0-9\]+ = 202"
193 gdb_test "print pDd->vg()" "\\$\[0-9\]+ = 101"
194 gdb_test "print pEe->vvb()" "\\$\[0-9\]+ = 411"
195 gdb_test "print pVB->vvb()" "\\$\[0-9\]+ = 407"
196 gdb_test "print pBe->vvb()" "\\$\[0-9\]+ = 411"
197 gdb_test "print pDe->vvb()" "\\$\[0-9\]+ = 411"
198 gdb_test "print pEe->vd()" "\\$\[0-9\]+ = 282"
199 gdb_test "print pEe->fvb()" "\\$\[0-9\]+ = 311"
201 # more recent results:
203 # gcc 2.95.3 -gdwarf-2
204 # gcc 2.95.3 -gstabs+
205 # attempt to take addres of value not located in memory
206 # gcc 3.3.2 -gdwarf-2
209 # -- chastain 2003-12-31
211 gdb_test_multiple "print pEe->D::vg()" "print pEe->D::vg()" {
212 -re "\\$\[0-9]+ = 102$nl$gdb_prompt $" {
213 pass "print pEe->D::vg()"
215 -re "\\$\[0-9]+ = 202$nl$gdb_prompt $" {
216 # To get this result, we have called pEe->*(&D::vg) ().
217 # That's how GDB interprets this, but it's wrong; in fact
218 # the explicit D:: means to bypass virtual function lookup,
219 # and call D::vg as if it were non-virtual. We still have
220 # to e.g. adjust "this", though.
221 kfail "gdb/1064" "print pEe->D::vg()"
223 -re "Attempt to take address of value not located in memory.$nl$gdb_prompt $" {
224 kfail "gdb/1064" "print pEe->D::vg()"
230 global srcdir subdir binfile
236 gdb_reinitialize_dir $srcdir/$subdir
239 gdb_test_no_output "set language c++" ""
240 gdb_test_no_output "set width 0" ""
242 if ![runto_main] then {
243 perror "couldn't run to breakpoint"
246 test_ptype_of_classes
248 gdb_breakpoint test_calls
249 gdb_test "continue" ".*Breakpoint .* test_calls.*" ""
252 gdb_test "next" ".*pAa->f.*" "next to pAa->f call"
253 gdb_test "next" ".*pDe->vg.*" "next to pDe->vg call"
254 gdb_test "step" ".*E::vg.*" "step through thunk into E::vg"