| # Copyright 2019-2024 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/>. |
| |
| # 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. |
| require dwarf2_support |
| |
| standard_testfile void-type.c .S |
| |
| # Make some DWARF for the test. |
| set asm_file [standard_output_file $srcfile2] |
| Dwarf::assemble $asm_file { |
| global srcfile |
| |
| cu {} { |
| DW_TAG_compile_unit { |
| {DW_AT_producer "GNU C 8.1"} |
| {DW_AT_language @DW_LANG_C} |
| {DW_AT_name $srcfile} |
| {DW_AT_comp_dir /tmp} |
| } { |
| declare_labels main_type void_typedef |
| |
| main_type: DW_TAG_base_type { |
| {DW_AT_byte_size 4 DW_FORM_sdata} |
| {DW_AT_encoding @DW_ATE_signed} |
| } |
| |
| void_typedef: DW_TAG_typedef { |
| {name foo} |
| } |
| |
| DW_TAG_subprogram { |
| {MACRO_AT_func {func}} |
| {type :$void_typedef} |
| } |
| DW_TAG_subprogram { |
| {MACRO_AT_func {main}} |
| {type :$main_type} |
| } |
| } |
| } |
| } |
| |
| if { [prepare_for_testing "failed to prepare" ${testfile} \ |
| [list $srcfile $asm_file] {nodebug}] } { |
| return -1 |
| } |
| |
| if {![runto_main]} { |
| return -1 |
| } |
| |
| gdb_test "break func" "Breakpoint .*" \ |
| "set breakpoint in func" |
| gdb_continue_to_breakpoint "continue to func" |
| |
| set allow_python [allow_python_tests] |
| if {$allow_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 {$allow_python} { |
| gdb_test "python print (finishbp.return_value)" "None" \ |
| "check that return_value is None" |
| } |