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# Copyright 2003-2023 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
require allow_cplus_tests
standard_testfile .cc
set flags [list debug c++]
# When using recent Clangs, this test fails to compile without this warning
# being disabled. However, older Clangs fail to recognize the flag.
if { [gcc_major_version "clang-*" "c++"] > 10 } {
lappend flags additional_flags=-Wno-non-c-typedef-for-linkage
}
if {[prepare_for_testing "failed to prepare" $testfile $srcfile $flags]} {
return -1
}
# Start with "set print object off" and "set print symbol off".
gdb_test_no_output "set print object off"
gdb_test_no_output "set print symbol off"
if {![runto_main]} {
return
}
get_debug_format
gdb_test "break [gdb_get_line_number "marker return 0"]" \
"Breakpoint.*at.* file .*" ""
gdb_test "continue" "Breakpoint .* at .*" ""
# Access the "A" object.
gdb_test "print alpha" \
"= {.*a1 = 100.*}" \
"print alpha at marker return 0"
# Access the "B" object.
gdb_test "print beta" \
"= {.*a1 = 200.*b1 = 201.*b2 = 202}" \
"print beta at marker return 0"
# Access the "A" object through an "A *" pointer.
gdb_test_multiple "print * aap" "print * aap at marker return 0" {
-re "= {.*a1 = 100.*}\r\n$gdb_prompt $" {
# gcc 2.95.3 -gstabs+
# gcc 3.3.2 -gdwarf-2
# gcc 3.3.2 -gstabs+
pass "print * aap at marker return 0"
}
-re "= {.*a1 = .*}\r\n$gdb_prompt $" {
if { [test_compiler_info gcc-2-*] && [test_debug_format "DWARF \[0-9\]"] } {
# gcc 2.95.3 -gdwarf-2
setup_kfail "gdb/1465" "*-*-*"
}
fail "print * aap at marker return 0"
}
}
# Access the "B" object through a "B *" pointer.
gdb_test "print * bbp" \
"= {.*a1 = 200.*b1 = 201.*b2 = 202}" \
"print * bbp at marker return 0"
# Access the "B" object through an "A *" pointer.
# This should print using the "A" type.
gdb_test_multiple "print * abp" "print * abp at marker return 0, s-p-o off" {
-re "= {.*a1 = 200.*b1 = .*b2 = .*}\r\n$gdb_prompt $" {
# This would violate the documentation for "set print object off".
fail "print * abp at marker return 0, s-p-o off"
}
-re "= {.*a1 = 200.*}\r\n$gdb_prompt $" {
pass "print * abp at marker return 0, s-p-o off"
}
}
# Access the "B" object through a "B *" pointer expression.
# This should print using the "B" type.
gdb_test "print * (B *) abp" \
"= {.*a1 = 200.*b1 = 201.*b2 = 202}" \
"print * (B *) abp at marker return 0"
# Print the "D" object.
gdb_test "print delta" \
"= {.*d1 = 400}" \
"print delta with \"print object\" off"
# Printing the value of an object containing no data fields:
gdb_test "p e" "= \{<No data fields>\}" "print object with no data fields"
# Printing NULL pointers with "set print object on".
gdb_test_no_output "set print object on"
gdb_test "p acp" "= \\(C \\*\\) ${hex}"
gdb_test "p acp->c1" "\\(A \\*\\) 0x0"
gdb_test "p acp->c2" "\\(A \\*\\) ${hex}f"
# Print the "D" object with "set print object on".
# There's no difference in output, but this exercises vtable lookup
# with a typedef'd baseclass.
gdb_test "print delta" \
"= {.*d1 = 400}" \
"print delta with \"print object\" on"
# Regression test for PR c++/15401.
# Check that the type printed is a reference.
gdb_test "p aref" " = \\(A \\&\\) .*"
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