261 lines
7 KiB
Text
261 lines
7 KiB
Text
# Copyright 1992, 1994-1999, 2001-2004, 2006-2012 Free Software
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# Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file was written by Fred Fish. (fnf@cygnus.com)
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# And rewritten by Michael Chastain <mec.gnu@mindspring.com>.
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set nl "\[\r\n\]+"
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if $tracelevel then {
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strace $tracelevel
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}
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if { [skip_cplus_tests] } { continue }
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load_lib "cp-support.exp"
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set testfile "virtfunc"
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set srcfile ${testfile}.cc
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {c++ debug}] != "" } {
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untested virtfunc.exp
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return -1
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}
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proc test_ptype_of_classes {} {
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# class VA
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cp_test_ptype_class \
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"ptype VA" "" "class" "VA" \
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{
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{ field public "int va;" }
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}
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# class VB
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cp_test_ptype_class \
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"ptype VB" "" "class" "VB" \
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{
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{ field public "int vb;" }
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{ method public "int fvb();" }
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{ method public "virtual int vvb();" }
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}
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# class V
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cp_test_ptype_class \
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"ptype V" "" "class" "V" \
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{
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{ base "public VA" }
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{ base "public VB" }
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{ field public "int w;" }
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{ method public "int f();" }
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{ method public "virtual int vv();" }
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}
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# class A
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cp_test_ptype_class \
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"ptype A" "" "class" "A" \
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{
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{ base "public virtual V" }
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{ vbase "V" }
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{ field private "int a;" }
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{ method public "virtual int f();" }
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}
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# class B
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cp_test_ptype_class \
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"ptype B" "" "class" "B" \
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{
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{ base "public A" }
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{ field private "int b;" }
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{ method public "virtual int f();" }
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}
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# class C
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cp_test_ptype_class \
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"ptype C" "" "class" "C" \
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{
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{ base "public virtual V" }
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{ vbase "V" }
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{ field public "int c;" }
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}
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# class AD
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cp_test_ptype_class \
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"ptype AD" "" "class" "AD" \
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{
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{ method public "virtual int vg();" }
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}
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# class D
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cp_test_ptype_class \
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"ptype D" "" "class" "D" \
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{
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{ base "public AD" }
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{ base "public virtual V" }
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{ vbase "V" }
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{ method public "static void s();" }
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{ method public "virtual int vg();" }
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{ method public "virtual int vd();" }
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{ method public "int fd();" }
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{ field public "int d;" }
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}
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# class E
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cp_test_ptype_class \
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"ptype E" "" "class" "E" \
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{
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{ base "public B" }
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{ base "public virtual V" }
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{ base "public D" }
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{ base "public C" }
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{ vbase "V" }
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{ method public "virtual int f();" }
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{ method public "virtual int vg();" }
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{ method public "virtual int vv();" }
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{ field public "int e;" }
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}
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# An instance of D
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cp_test_ptype_class "ptype dd" "" "class" "D" ibid
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# An instance of D *
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cp_test_ptype_class "ptype ppd" "" "class" "D" ibid "*"
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# An instance of AD *
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# TODO: this should be named pADd, not pAd.
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cp_test_ptype_class "ptype pAd" "" "class" "AD" ibid "*"
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# Instances of these classes.
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cp_test_ptype_class "ptype a" "" "class" "A" ibid
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cp_test_ptype_class "ptype b" "" "class" "B" ibid
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cp_test_ptype_class "ptype c" "" "class" "C" ibid
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cp_test_ptype_class "ptype d" "" "class" "D" ibid
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cp_test_ptype_class "ptype e" "" "class" "E" ibid
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cp_test_ptype_class "ptype v" "" "class" "V" ibid
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cp_test_ptype_class "ptype vb" "" "class" "VB" ibid
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# Instances of pointers to these classes.
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cp_test_ptype_class "ptype pAa" "" "class" "A" ibid "*"
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cp_test_ptype_class "ptype pAe" "" "class" "A" ibid "*"
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cp_test_ptype_class "ptype pBe" "" "class" "B" ibid "*"
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cp_test_ptype_class "ptype pDd" "" "class" "D" ibid "*"
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cp_test_ptype_class "ptype pDe" "" "class" "D" ibid "*"
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cp_test_ptype_class "ptype pVa" "" "class" "V" ibid "*"
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cp_test_ptype_class "ptype pVv" "" "class" "V" ibid "*"
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cp_test_ptype_class "ptype pVe" "" "class" "V" ibid "*"
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cp_test_ptype_class "ptype pVd" "" "class" "V" ibid "*"
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cp_test_ptype_class "ptype pADe" "" "class" "AD" ibid "*"
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cp_test_ptype_class "ptype pEe" "" "class" "E" ibid "*"
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cp_test_ptype_class "ptype pVB" "" "class" "VB" ibid "*"
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}
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# Call virtual functions.
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proc test_virtual_calls {} {
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global gdb_prompt
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global nl
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if [target_info exists gdb,cannot_call_functions] {
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setup_xfail "*-*-*" 2416
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fail "This target can not call functions"
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return 0
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}
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gdb_test "print pAe->f()" "\\$\[0-9\]+ = 20"
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gdb_test "print pAa->f()" "\\$\[0-9\]+ = 1"
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gdb_test "print pDe->vg()" "\\$\[0-9\]+ = 202"
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gdb_test "print pADe->vg()" "\\$\[0-9\]+ = 202"
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gdb_test "print pDd->vg()" "\\$\[0-9\]+ = 101"
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gdb_test "print pEe->vvb()" "\\$\[0-9\]+ = 411"
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gdb_test "print pVB->vvb()" "\\$\[0-9\]+ = 407"
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gdb_test "print pBe->vvb()" "\\$\[0-9\]+ = 411"
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gdb_test "print pDe->vvb()" "\\$\[0-9\]+ = 411"
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gdb_test "print pEe->vd()" "\\$\[0-9\]+ = 282"
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gdb_test "print pEe->fvb()" "\\$\[0-9\]+ = 311"
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# more recent results:
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# wrong value "202"
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# gcc 2.95.3 -gdwarf-2
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# gcc 2.95.3 -gstabs+
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# attempt to take addres of value not located in memory
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# gcc 3.3.2 -gdwarf-2
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# gcc 3.3.2 -gstabs+
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#
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# -- chastain 2003-12-31
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gdb_test_multiple "print pEe->D::vg()" "print pEe->D::vg()" {
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-re "\\$\[0-9]+ = 102$nl$gdb_prompt $" {
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pass "print pEe->D::vg()"
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}
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-re "\\$\[0-9]+ = 202$nl$gdb_prompt $" {
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# To get this result, we have called pEe->*(&D::vg) ().
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# That's how GDB interprets this, but it's wrong; in fact
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# the explicit D:: means to bypass virtual function lookup,
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# and call D::vg as if it were non-virtual. We still have
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# to e.g. adjust "this", though.
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kfail "gdb/1064" "print pEe->D::vg()"
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}
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-re "Attempt to take address of value not located in memory.$nl$gdb_prompt $" {
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kfail "gdb/1064" "print pEe->D::vg()"
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}
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}
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}
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proc do_tests {} {
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global srcdir subdir binfile
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global gdb_prompt
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load $binfile
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gdb_test_no_output "set language c++" ""
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gdb_test_no_output "set width 0" ""
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if ![runto_main] then {
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perror "couldn't run to breakpoint"
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return
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}
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test_ptype_of_classes
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gdb_breakpoint test_calls
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gdb_test "continue" ".*Breakpoint .* test_calls.*" ""
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test_virtual_calls
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gdb_test "next" ".*pAa->f.*" "next to pAa->f call"
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gdb_test "next" ".*pDe->vg.*" "next to pDe->vg call"
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gdb_test "step" ".*E::vg.*" "step through thunk into E::vg"
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}
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do_tests
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