| # Copyright 2017-2021 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 targets which support DWARF-2 and use gas. |
| if {![dwarf2_support]} { |
| return 0 |
| } |
| |
| standard_testfile main.c -dw.S |
| |
| # Make some DWARF for the test. |
| set asm_file [standard_output_file $srcfile2] |
| Dwarf::assemble $asm_file { |
| global pair |
| |
| cu { addr_size 4 } { |
| compile_unit {} { |
| declare_labels int_label ushort_label struct_label |
| |
| int_label: DW_TAG_base_type { |
| {DW_AT_byte_size 4 DW_FORM_udata} |
| {DW_AT_encoding @DW_ATE_unsigned} |
| {DW_AT_name "myint"} |
| } |
| ushort_label: DW_TAG_base_type { |
| {DW_AT_byte_size 2 DW_FORM_udata} |
| {DW_AT_encoding @DW_ATE_unsigned} |
| {DW_AT_name "myushort"} |
| } |
| |
| struct_label: DW_TAG_structure_type { |
| {DW_AT_name "S"} |
| {DW_AT_byte_size 8 DW_FORM_udata} |
| } { |
| DW_TAG_member { |
| {DW_AT_name "a"} |
| {DW_AT_type :${int_label}} |
| {DW_AT_data_member_location 0 DW_FORM_udata} |
| } |
| |
| DW_TAG_member { |
| {DW_AT_name "b"} |
| {DW_AT_type :${ushort_label}} |
| {DW_AT_data_member_location 4 DW_FORM_udata} |
| } |
| } |
| |
| DW_TAG_variable { |
| {DW_AT_name "s1"} |
| {DW_AT_type :${struct_label}} |
| {DW_AT_external 1 DW_FORM_flag} |
| {DW_AT_location { |
| DW_OP_constu 1 |
| DW_OP_stack_value |
| DW_OP_piece 4 |
| DW_OP_constu 0 |
| DW_OP_stack_value |
| DW_OP_piece 2 |
| } SPECIAL_expr} |
| } |
| |
| DW_TAG_variable { |
| {DW_AT_name "s2"} |
| {DW_AT_type :${struct_label}} |
| {DW_AT_external 1 DW_FORM_flag} |
| {DW_AT_location { |
| DW_OP_constu 1 |
| DW_OP_stack_value |
| DW_OP_piece 4 |
| DW_OP_constu 0 |
| DW_OP_stack_value |
| DW_OP_piece 8 |
| } SPECIAL_expr} |
| } |
| } |
| } |
| } |
| |
| if { [prepare_for_testing "failed to prepare" ${testfile} \ |
| [list $srcfile $asm_file] {nodebug}] } { |
| return -1 |
| } |
| |
| gdb_test "p s1" " = {a = 1, b = 0}" |
| gdb_test "p s2" \ |
| "access outside bounds of object referenced via synthetic pointer" |
