1# Copyright 2017-2020 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16# Test that "info locals" shows optimized out variables. 17 18load_lib dwarf.exp 19 20# This test can only be run on targets which support DWARF-2 and use gas. 21if {![dwarf2_support]} { 22 return 0 23} 24 25standard_testfile .c ${gdb_test_file_name}-dw.S 26 27# Make some DWARF for the test. 28 29set asm_file [standard_output_file $srcfile2] 30Dwarf::assemble $asm_file { 31 global dwarf_regnum regname 32 33 set buf_var [gdb_target_symbol buf] 34 35 cu {} { 36 DW_TAG_compile_unit { 37 {DW_AT_name info-locals-optimized-out.c} 38 {DW_AT_comp_dir /tmp} 39 } { 40 declare_labels int_type_label 41 42 # int 43 int_type_label: base_type { 44 {name "int"} 45 {encoding @DW_ATE_signed} 46 {byte_size 4 DW_FORM_sdata} 47 } 48 49 DW_TAG_subprogram { 50 {MACRO_AT_func { main }} 51 {DW_AT_external 1 flag} 52 } { 53 # A variable completely optimized out. 54 DW_TAG_variable { 55 {name "opt_out"} 56 {type :$int_type_label} 57 } 58 } 59 } 60 } 61} 62 63if { [prepare_for_testing ${testfile}.exp ${testfile} \ 64 [list $srcfile $asm_file] {nodebug}] } { 65 return -1 66} 67 68if ![runto_main] { 69 return -1 70} 71 72# Make sure "info locals" shows optimized out variables. 73gdb_test "info locals" ".*opt_out = <optimized out>.*" "info local shows optimized out variable" 74