blob: 1505532f686fec5f48b72f9544723042cb35d532 [file] [log] [blame]
# Copyright 2019-2020 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
# 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 <>.
# PR gdb/21855 concerns a crash in "finish" where the function's
# return type is a typedef of void.
load_lib dwarf.exp
load_lib gdb-python.exp
# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
return 0
standard_testfile void-type.c typedef-void-finish.S
# Make some DWARF for the test.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
global srcdir subdir srcfile
set func_result [function_range func ${srcdir}/${subdir}/${srcfile}]
set func_start [lindex $func_result 0]
set func_length [lindex $func_result 1]
set main_result [function_range main ${srcdir}/${subdir}/${srcfile}]
set main_start [lindex $main_result 0]
set main_length [lindex $main_result 1]
cu {} {
DW_TAG_compile_unit {
{DW_AT_producer "GNU C 8.1"}
{DW_AT_language @DW_LANG_C}
{DW_AT_name void-type.c}
{DW_AT_comp_dir /tmp}
} {
declare_labels main_type void_typedef
main_type: DW_TAG_base_type {
{DW_AT_byte_size 4 DW_FORM_sdata}
{DW_AT_encoding @DW_ATE_signed}
void_typedef: DW_TAG_typedef {
{name foo}
DW_TAG_subprogram {
{name func}
{low_pc $func_start addr}
{high_pc "$func_start + $func_length" addr}
{type :$void_typedef}
DW_TAG_subprogram {
{name main}
{low_pc $main_start addr}
{high_pc "$main_start + $main_length" addr}
{type :$main_type}
if { [prepare_for_testing "failed to prepare" ${testfile} \
[list $srcfile $asm_file] {nodebug}] } {
return -1
if {![runto_main]} {
return -1
gdb_test "break func" "Breakpoint .*" \
"set breakpoint in func"
gdb_continue_to_breakpoint "continue to func"
set skip_python [skip_python_tests]
if {!$skip_python} {
gdb_test "python finishbp = gdb.FinishBreakpoint()" \
"Temporary breakpoint.*" "set FinishBreakpoint"
gdb_test "finish" [multi_line \
"Run till exit from #0 $hex in func \\\(\\\)" \
".*$hex in main \\\(\\\)"]
if {!$skip_python} {
gdb_test "python print (finishbp.return_value)" "None" \
"check that return_value is None"