| # Copyright 2011-2021 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 .S |
| set executable ${testfile} |
| |
| # Create the DWARF. |
| set asm_file [standard_output_file $srcfile2] |
| Dwarf::assemble $asm_file { |
| cu { version 3 addr_size 4 } { |
| compile_unit { |
| {producer "GNU C 4.4.3"} |
| {language @DW_LANG_C89} |
| {name 1.c} |
| } { |
| declare_labels int_label struct_label pointer_label variable_label |
| |
| int_label: base_type { |
| {byte_size 4 sdata} |
| {encoding @DW_ATE_signed} |
| {name int} |
| } |
| |
| struct_label: structure_type { |
| {name s} |
| {byte_size 4 sdata} |
| } { |
| member { |
| {name f} |
| {type :$int_label} |
| {data_member_location 0 data1} |
| } |
| } |
| |
| subprogram { |
| {MACRO_AT_func { main }} |
| {type :$int_label} |
| {external 1 flag} |
| } { |
| pointer_label: pointer_type { |
| {byte_size 4 sdata} |
| {type :$struct_label} |
| } |
| |
| variable_label: DW_TAG_variable { |
| {name v} |
| {location {} DW_FORM_block1} |
| {type :$struct_label} |
| } |
| |
| DW_TAG_variable { |
| {name p} |
| {location { |
| GNU_implicit_pointer $variable_label 0 |
| } SPECIAL_expr} |
| {type :$pointer_label} |
| } |
| } |
| } |
| } |
| } |
| |
| if [prepare_for_testing "failed to prepare" $executable "${asm_file} ${srcfile}" {}] { |
| return -1 |
| } |
| |
| # DW_OP_GNU_implicit_pointer implementation requires a valid frame. |
| if ![runto_main] { |
| return -1 |
| } |
| |
| gdb_test "p p->f" " = <optimized out>" |