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https://sourceware.org/git/binutils-gdb.git
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0b94d2b9aa
This changes skip_cplus_tests to invert the sense, and renames it to allow_cplus_tests. This one also converts skip_stl_tests to allow_stl_tests, as that was convenient to do at the same time.
272 lines
8.8 KiB
Plaintext
272 lines
8.8 KiB
Plaintext
# Copyright 1998-2023 Free Software 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 is part of the gdb testsuite
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# Print out various class objects' members and check that the error
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# about the field or baseclass being ambiguous is emitted at the right
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# times.
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require allow_cplus_tests
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standard_testfile .cc
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set additional_flags ""
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if {[test_compiler_info {gcc-[0-9]-*}]} {
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# GCCs prior to 10.1 do not support -Wno-inaccessible-base.
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set additional_flags "additional_flags=-w"
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} elseif {[test_compiler_info gcc*] || [test_compiler_info clang*]} {
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set additional_flags "additional_flags=-Wno-inaccessible-base"
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}
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile \
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[list debug c++ $additional_flags]]} {
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return -1
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}
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if {![runto_main]} {
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return
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}
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# Run to a breakpoint after the variables have been initialized so we
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# can play with the variable values.
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set lineno [gdb_get_line_number "set breakpoint here"]
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gdb_breakpoint $lineno
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gdb_continue_to_breakpoint "breakpoint here"
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set number -?$decimal
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with_test_prefix "all vars" {
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gdb_test "print a1" \
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" = \{x = 1, y = 2\}"
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gdb_test "print a2" \
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" = \{x = 1, y = 2\}"
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gdb_test "print a3" \
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" = \{x = 1, y = 2\}"
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gdb_test "print x" \
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" = \{<A1> = \{x = 1, y = 2\}, <A2> = \{x = 3, y = 4\}, z = 5\}"
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gdb_test "print l" \
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" = \{<A1> = \{x = 1, y = 2\}, z = 3\}"
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gdb_test "print m" \
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" = \{<A2> = \{x = 1, y = 2\}, w = 3\}"
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gdb_test "print n" \
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" = \{<L> = \{<A1> = \{x = 1, y = 2\}, z = 7\}, <M> = \{<A2> = \{x = 3, y = 4\}, w = 5\}, r = 6\}"
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gdb_test "print k" \
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" = \{<A1> = \{x = 1, y = 2\}, i = 3\}"
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gdb_test "print j" \
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" = {<K> = {<A1> = {x = 1, y = 2}, i = 5}, <L> = {<A1> = {x = 3, y = 4}, z = 6}, j = 7}"
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gdb_test "print jv" \
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" = \{<KV> = \{<A1> = \{x = 1, y = 2\}, _vptr.KV = $hex <vtable for JV.*>, i = 3\}, <LV> = \{_vptr.LV = $hex <VTT for JV>, z = 4\}, jv = 5\}"
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# No way to initialize one of the A1's, so just take any number there.
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gdb_test "print jva1" \
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" = \{<KV> = \{<A1> = \{x = 3, y = 4\}, _vptr.KV = $hex <vtable for JVA1.*>, i = 6\}, <LV> = \{_vptr.LV = $hex <VTT for JVA1>, z = 5\}, <A1> = \{x = $number, y = $number\}, jva1 = 7\}"
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gdb_test "print jva2" \
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" = \{<KV> = \{<A1> = \{x = 3, y = 4\}, _vptr.KV = $hex <vtable for JVA2.*>, i = 8\}, <LV> = \{_vptr.LV = $hex <VTT for JVA2>, z = 7\}, <A2> = \{x = 5, y = 6\}, jva2 = 9\}"
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gdb_test "print jva1v" \
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" = \{<KV> = \{<A1> = \{x = 1, y = 2\}, _vptr.KV = $hex <vtable for JVA1V+.*>, i = 4\}, <LV> = \{_vptr.LV = $hex <VTT for JVA1V>, z = 3\}, jva1v = 5\}"
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}
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# Check that we can access all the fields correctly, using the same
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# syntax as used in the .cc file. Keep the order here in sync with
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# the .cc file.
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with_test_prefix "all fields" {
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gdb_test "print a1.x" " = 1"
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gdb_test "print a1.y" " = 2"
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gdb_test "print a2.x" " = 1"
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gdb_test "print a2.y" " = 2"
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gdb_test "print a3.x" " = 1"
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gdb_test "print a3.y" " = 2"
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gdb_test "print x.A1::x" " = 1"
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gdb_test "print x.A1::y" " = 2"
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gdb_test "print x.A2::x" " = 3"
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gdb_test "print x.A2::y" " = 4"
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gdb_test "print x.z" " = 5"
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gdb_test "print l.x" " = 1"
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gdb_test "print l.y" " = 2"
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gdb_test "print l.z" " = 3"
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gdb_test "print m.x" " = 1"
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gdb_test "print m.y" " = 2"
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gdb_test "print m.w" " = 3"
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gdb_test "print n.A1::x" " = 1"
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gdb_test "print n.A1::y" " = 2"
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gdb_test "print n.A2::x" " = 3"
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gdb_test "print n.A2::y" " = 4"
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gdb_test "print n->A2::y" " = 4"
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gdb_test "print n.w" " = 5"
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gdb_test "print n.r" " = 6"
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gdb_test "print n.z" " = 7"
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gdb_test "print k.x" " = 1"
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gdb_test "print k.y" " = 2"
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gdb_test "print k.i" " = 3"
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gdb_test "print j.K::x" " = 1"
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gdb_test "print j.K::y" " = 2"
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gdb_test "print j.L::x" " = 3"
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gdb_test "print j.L::y" " = 4"
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gdb_test "print j.i" " = 5"
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gdb_test "print j.z" " = 6"
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gdb_test "print j.j" " = 7"
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gdb_test "print jv.x" " = 1"
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gdb_test "print jv.y" " = 2"
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gdb_test "print jv.i" " = 3"
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gdb_test "print jv.z" " = 4"
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gdb_test "print jv.jv" " = 5"
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setup_kfail "c++/26550" *-*-*
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gdb_test "print jva1.KV::x" " = 1"
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setup_kfail "c++/26550" *-*-*
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gdb_test "print jva1.KV::y" " = 2"
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setup_kfail "c++/26550" *-*-*
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gdb_test "print jva1.LV::x" " = 3"
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setup_kfail "c++/26550" *-*-*
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gdb_test "print jva1.LV::y" " = 4"
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gdb_test "print jva1.z" " = 5"
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gdb_test "print jva1.i" " = 6"
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gdb_test "print jva1.jva1" "= 7"
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setup_kfail "c++/26550" *-*-*
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gdb_test "print jva2.KV::x" " = 1"
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setup_kfail "c++/26550" *-*-*
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gdb_test "print jva2.KV::y" " = 2"
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setup_kfail "c++/26550" *-*-*
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gdb_test "print jva2.LV::x" " = 3"
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setup_kfail "c++/26550" *-*-*
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gdb_test "print jva2.LV::y" " = 4"
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gdb_test "print jva2.A2::x" " = 5"
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gdb_test "print jva2.A2::y" " = 6"
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gdb_test "print jva2.z" " = 7"
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gdb_test "print jva2.i" " = 8"
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gdb_test "print jva2.jva2" "= 9"
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gdb_test "print jva1v.x" " = 1"
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gdb_test "print jva1v.y" " = 2"
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gdb_test "print jva1v.z" " = 3"
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gdb_test "print jva1v.i" " = 4"
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gdb_test "print jva1v.jva1v" " = 5"
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}
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# Test that printing WHAT reports an error about FIELD being ambiguous
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# in TYPE, and that the candidates are CANDIDATES.
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proc test_ambiguous {what field type candidates} {
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set msg "Request for member '$field' is ambiguous in type '$type'. Candidates are:"
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foreach c $candidates {
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set c_re [string_to_regexp $c]
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append msg "\r\n $c_re"
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}
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gdb_test "print $what" $msg
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}
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# X is derived from A1 and A2; both A1 and A2 have a member 'x'
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test_ambiguous "x.x" "x" "X" {
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"'int A1::x' (X -> A1)"
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"'int A2::x' (X -> A2)"
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}
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# N is derived from A1 and A2, but not immediately -- two steps
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# up in the hierarchy. Both A1 and A2 have a member 'x'.
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test_ambiguous "n.x" "x" "N" {
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"'int A1::x' (N -> L -> A1)"
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"'int A2::x' (N -> M -> A2)"
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}
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# J is derived from A1 twice. A1 has a member x.
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test_ambiguous "j.x" "x" "J" {
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"'int A1::x' (J -> K -> A1)"
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"'int A1::x' (J -> L -> A1)"
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}
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# JV is derived from A1 but A1 is a virtual base. Should not
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# report an ambiguity in this case.
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gdb_test "print jv.x" " = 1"
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# JVA1 is derived from A1; A1 occurs as a virtual base in two
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# ancestors, and as a non-virtual immediate base. Ambiguity must
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# be reported.
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test_ambiguous "jva1.x" "x" "JVA1" {
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"'int A1::x' (JVA1 -> KV -> A1)"
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"'int A1::x' (JVA1 -> A1)"
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}
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# JVA2 is derived from A1 & A2; A1 occurs as a virtual base in two
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# ancestors, and A2 is a non-virtual immediate base. Ambiguity must
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# be reported as A1 and A2 both have a member 'x'.
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test_ambiguous "jva2.x" "x" "JVA2" {
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"'int A1::x' (JVA2 -> KV -> A1)"
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"'int A2::x' (JVA2 -> A2)"
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}
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# JVA1V is derived from A1; A1 occurs as a virtual base in two
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# ancestors, and also as a virtual immediate base. Ambiguity must
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# not be reported.
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gdb_test "print jva1v.x" " = 1"
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# Now check for ambiguous bases.
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# J is derived from A1 twice; report ambiguity if a J is
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# cast to an A1.
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gdb_test "print (A1)j" "base class 'A1' is ambiguous in type 'J'"
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# JV is derived from A1 twice, but A1 is a virtual base; should
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# not report ambiguity when a JV is cast to an A1.
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gdb_test "print (A1)jv" " = {x = 1, y = 2}"
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# JVA1 is derived from A1; A1 is a virtual base and also a
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# non-virtual base. Must report ambiguity if a JVA1 is cast to an A1.
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gdb_test "print (A1)jva1" "base class 'A1' is ambiguous in type 'JVA1'"
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# Add an intermediate cast to KV, and it should work.
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setup_kfail "c++/26550" *-*-*
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gdb_test "print (KV)jva1" " = \{<A1> = \{x = 3, y = 4\}, _vptr.KV = $hex <VTT for KV>, i = 6\}"
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setup_kfail "c++/26550" *-*-*
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gdb_test "print (A1)(KV)jva1" " = \{x = 3, y = 4\}"
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# JVA1V is derived from A1; A1 is a virtual base indirectly
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# and also directly; must not report ambiguity when a JVA1V is cast to an A1.
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gdb_test "print (A1)jva1v" " = {x = 1, y = 2}"
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# C++20 introduced a way to have ambiguous fields with the same byte offset.
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# This class explicitly tests for that.
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# if this is tested with a compiler that can't handle [[no_unique_address]]
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# the code should still correctly identify the ambiguity because of
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# different byte offsets.
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test_ambiguous "je.x" "x" "JE" {
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"'int A1::x' (JE -> A1)"
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"'empty A4::x' (JE -> A4)"
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}
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