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# Copyright 2021-2024 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/>.
load_lib dwarf.exp
# This test can only be run on x86-64 targets. It checks for a bug
# that existed in amd64-tdep.c, and depends on an error being produced
# from within that file.
require is_x86_64_m64_target
# 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 {
global srcfile
get_func_info main
get_func_info get_bar
cu {} {
DW_TAG_compile_unit {
{DW_AT_language @DW_LANG_C}
{DW_AT_name $srcfile}
{DW_AT_comp_dir /tmp}
} {
declare_labels integer_label foo_t_label bar_t_label
foo_t_label: DW_TAG_structure_type {
{name foo_t}
{byte_size 3 DW_FORM_sdata}
} {
member {
{name field}
{type :$integer_label}
{data_member_location 0 DW_FORM_sdata}
}
}
integer_label: DW_TAG_base_type {
{DW_AT_byte_size 3 DW_FORM_sdata}
{DW_AT_encoding @DW_ATE_signed}
{DW_AT_name integer}
}
bar_t_label: DW_TAG_structure_type {
{name bar_t}
{byte_size 3 DW_FORM_sdata}
} {
member {
{name f}
{type :$foo_t_label}
{data_member_location 0 DW_FORM_sdata}
}
}
DW_TAG_subprogram {
{name main}
{low_pc $main_start addr}
{high_pc $main_len data8}
{DW_AT_type :$integer_label}
}
DW_TAG_subprogram {
{name get_bar}
{low_pc $get_bar_start addr}
{high_pc $get_bar_len data8}
{DW_AT_type :$bar_t_label}
}
}
}
}
if { [prepare_for_testing "failed to prepare" ${testfile} \
[list $srcfile $asm_file] {nodebug}] } {
return -1
}
if ![runto_main] {
return -1
}
# At one point this would trigger a divide by zero inside GDB. Now we
# just get an error message.
gdb_test "print get_bar ()" "could not determine alignment of type"
# Check GDB is still running.
gdb_test "p 1 + 2" " = 3"
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