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# Copyright 2023-2025 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/>.
# Test that an array whose bounds are optimized out is itself marked
# as optimized out.
load_lib dwarf.exp
load_lib gdb-python.exp
# This test can only be run on targets which support DWARF-2 and use gas.
require dwarf2_support
standard_testfile .c -dw.S
# Make some DWARF for the test.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
cu {} {
DW_TAG_compile_unit {
{DW_AT_language @DW_LANG_Ada95}
{DW_AT_name foo.adb}
{DW_AT_comp_dir /tmp}
} {
declare_labels integer_label array_label \
low_bound_label high_bound_label
integer_label: DW_TAG_base_type {
{DW_AT_byte_size 4 DW_FORM_sdata}
{DW_AT_encoding @DW_ATE_signed}
{DW_AT_name integer}
}
# Note that the bounds don't have a location -- they are
# optimized out. This mimics what it is seen sometimes in
# the wild with optimized Ada code.
low_bound_label: DW_TAG_variable {
{DW_AT_name pck__table___L}
{DW_AT_type :$integer_label}
{DW_AT_declaration 1 flag}
}
high_bound_label: DW_TAG_variable {
{DW_AT_name pck__table___U}
{DW_AT_type :$integer_label}
{DW_AT_declaration 1 flag}
}
array_label: DW_TAG_array_type {
{DW_AT_name pck__table}
{DW_AT_type :$integer_label}
} {
DW_TAG_subrange_type {
{DW_AT_type :$integer_label}
{DW_AT_lower_bound :$low_bound_label}
{DW_AT_upper_bound :$high_bound_label}
}
}
DW_TAG_variable {
{DW_AT_name the_table}
{DW_AT_type :$array_label}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol global_array]
} SPECIAL_expr}
{DW_AT_external 1 flag}
}
}
}
}
if {[prepare_for_testing "failed to prepare" ${testfile} \
[list $srcfile $asm_file] {nodebug}]} {
return -1
}
gdb_test_no_output "set language ada"
gdb_test "print the_table" " = <optimized out>"
# The same but in Python.
if {[allow_python_tests]} {
gdb_test "python print(gdb.parse_and_eval('the_table').is_optimized_out)" \
True
}
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