121 lines
4.4 KiB
Plaintext
121 lines
4.4 KiB
Plaintext
# Copyright 2019-2020 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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# Check that GDB can call C++ functions whose parameters have
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# object type, and are either passed by value or implicitly by reference.
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#
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# This is a companion test to pass-by-ref.exp. In this test, the input
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# is manually-written. In pass-by-ref.exp, the test input is generated.
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#
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# We include tests for classes that
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# - contain arrays as fields,
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# - are dynamic (i.e. have virtual methods)
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# - have inlined copy ctor
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# - have deleted destructor
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if {[skip_cplus_tests]} {
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untested "c++ test skipped"
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continue
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}
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standard_testfile .cc
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set options {debug c++ additional_flags=-std=c++11}
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile $options]} {
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return -1
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}
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if {![runto_main]} {
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untested "failed to run to main"
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return -1
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}
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# GCC version <= 6 and Clang do not emit DW_AT_defaulted and DW_AT_deleted.
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set is_gcc_6_or_older [test_compiler_info {gcc-[0-6]-*}]
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set is_clang [test_compiler_info {clang-*}]
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set bp_location [gdb_get_line_number "stop here"]
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gdb_breakpoint $bp_location
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gdb_continue_to_breakpoint "end of main" ".*return .*;"
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gdb_test "print cbvArrayContainerByVal (arrayContainerByVal)" "6" \
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"call cbvArrayContainerByVal"
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gdb_test "print arrayContainerByVal.items\[0\].x" "2" \
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"cbv argument 'arrayContainerByVal' should not change"
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gdb_test "print cbvArrayContainerByRef (arrayContainerByRef)" "7" \
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"call cbvArrayContainerByRef"
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gdb_test "print arrayContainerByRef.items\[0\].x" "2" \
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"cbv argument 'arrayContainerByRef' should not change"
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gdb_test "print cbvDynamic (dynamic)" "48" \
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"call cbvDynamic"
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gdb_test "print dynamic.x" "2" \
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"cbv argument 'dynamic' should not change"
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set sig "\"Inlined\:\:Inlined\\(.*Inlined const\&\\)\""
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gdb_test "print cbvInlined (inlined)" \
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"expression cannot be evaluated .* \\(maybe inlined\\?\\)"
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if {$is_gcc_6_or_older || $is_clang} {setup_xfail "*-*-*"}
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gdb_test "print cbvDtorDel (*dtorDel)" \
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".* cannot be evaluated .* 'DtorDel' is not destructible" \
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"type not destructible"
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# Test that GDB calls the correct copy ctor
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gdb_test "print cbvFourCCtor (fourCctor_c0v0)" "13" \
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"call cbvFourCCtor (c0v0)"
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gdb_test "print fourCctor_c0v0.x" "2" \
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"cbv argument 'twoCctor_c0v0' should not change"
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gdb_test "print cbvFourCCtor (fourCctor_c1v0)" "14" \
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"call cbvFourCCtor (c1v0)"
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gdb_test "print fourCctor_c1v0.x" "2" \
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"cbv argument 'twoCctor_c1v0' should not change"
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gdb_test "print cbvFourCCtor (fourCctor_c0v1)" "15" \
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"call cbvFourCCtor (c0v1)"
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gdb_test "print fourCctor_c0v1.x" "2" \
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"cbv argument 'twoCctor_c0v1' should not change"
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gdb_test "print cbvFourCCtor (fourCctor_c1v1)" "16" \
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"call cbvFourCCtor (c1v1)"
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gdb_test "print fourCctor_c1v1.x" "2" \
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"cbv argument 'twoCctor_c1v1' should not change"
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gdb_test "print cbvTwoMCtor (twoMctor)" \
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".* cannot be evaluated .* 'TwoMCtor' is not copy constructible" \
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"copy ctor is implicitly deleted"
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if {$is_gcc_6_or_older || $is_clang} {setup_xfail "*-*-*"}
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gdb_test "print cbvTwoMCtorAndCCtor (twoMctorAndCctor)" "12" \
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"call cbvTwoMCtorAndCCtor"
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gdb_test "print twoMctorAndCctor.x" "2" \
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"cbv argument 'twoMctorAndCtor' should not change"
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# Test that we get a breakpoint from the cctor during infcall and
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# we can examine arguments. This is a test that the dummy frame
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# of the copy constructor is set up correctly by the infcall mechanism.
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set bp_location [gdb_get_line_number "ByRef-cctor"]
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gdb_breakpoint $bp_location
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gdb_test "print cbvArrayContainerByRef (arrayContainerByRef)" \
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".*The program being debugged stopped.*" \
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"call cbvArrayContainerByRef with BP"
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gdb_test "backtrace" [multi_line \
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"#0 ByRef\:\:ByRef .* at .*$srcfile:$bp_location" \
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"#1 .* ArrayContainerByRef::ArrayContainerByRef .*" \
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"#2 <function called from gdb>" \
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"#3 main.*"]
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