| # Copyright 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/>. |
| |
| # Test that scoped local variables in an inlined function are printed |
| # properly. |
| |
| load_lib dwarf.exp |
| |
| # This test can only be run on targets that support DWARF-2 and use |
| # gas. |
| if {![dwarf2_support]} { |
| return 0 |
| } |
| |
| standard_testfile .c .S |
| |
| # Make some DWARF for the test. The concrete inlined instance |
| # (i.e. the DW_TAG_inlined_subroutine) has a DW_TAG_lexical_block that |
| # does not contain a DW_AT_abstract_origin attribute. This is |
| # deliberate. Bad GDB printed duplicate local variables with |
| # "optimized out" values in this case. |
| |
| set asm_file [standard_output_file $srcfile2] |
| Dwarf::assemble $asm_file { |
| global srcfile srcdir subdir |
| declare_labels int_label func_label num_label value_label lines_label |
| |
| get_func_info main |
| set func_call [gdb_get_line_number "func call"] |
| |
| set global_num_addr [gdb_target_symbol global_num] |
| set global_value_addr [gdb_target_symbol global_value] |
| |
| cu {} { |
| compile_unit { |
| {language @DW_LANG_C99} |
| {name $srcfile} |
| {low_pc $main_start addr} |
| {high_pc "$main_start + $main_len" addr} |
| {stmt_list ${lines_label} DW_FORM_sec_offset} |
| } { |
| int_label: base_type { |
| {name "int"} |
| {byte_size 4 sdata} |
| {encoding @DW_ATE_signed} |
| } |
| |
| func_label: subprogram { |
| {name func} |
| {inline @DW_INL_declared_inlined} |
| } { |
| num_label: DW_TAG_variable { |
| {name num} |
| {type :$int_label} |
| } |
| lexical_block { |
| } { |
| value_label: DW_TAG_variable { |
| {name value} |
| {type :$int_label} |
| } |
| } |
| } |
| |
| subprogram { |
| {name main} |
| {external 1 flag} |
| {low_pc $main_start addr} |
| {high_pc "$main_start + $main_len" addr} |
| } { |
| inlined_subroutine { |
| {abstract_origin %$func_label} |
| {low_pc main_label addr} |
| {high_pc main_label2 addr} |
| {call_file 1 data1} |
| {call_line $func_call data1} |
| } { |
| DW_TAG_variable { |
| {abstract_origin %$num_label} |
| {location {addr $global_num_addr} SPECIAL_expr} |
| } |
| lexical_block { |
| {low_pc scope_label1 addr} |
| {high_pc scope_label2 addr} |
| } { |
| DW_TAG_variable { |
| {abstract_origin %$value_label} |
| {location {addr $global_value_addr} SPECIAL_expr} |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| lines {version 2} lines_label { |
| include_dir "${srcdir}/${subdir}" |
| file_name "$srcfile" 1 |
| |
| program { |
| {DW_LNE_set_address $main_start} |
| {line [gdb_get_line_number "main prologue"]} |
| {DW_LNS_copy} |
| {DW_LNE_set_address main_label} |
| {line [gdb_get_line_number "func call"]} |
| {DW_LNS_copy} |
| {DW_LNE_set_address main_label} |
| {line [gdb_get_line_number "func end"]} |
| {DW_LNS_copy} |
| {DW_LNE_set_address main_label2} |
| {line [gdb_get_line_number "main end"]} |
| {DW_LNS_copy} |
| {DW_LNE_set_address $main_end} |
| {DW_LNE_end_sequence} |
| } |
| } |
| } |
| |
| if {[prepare_for_testing "failed to prepare" ${testfile} \ |
| [list $srcfile $asm_file] {nodebug}]} { |
| return -1 |
| } |
| |
| runto breakpoint_label |
| |
| # Bad GDB was printing an additional "value = <optimized out>". |
| gdb_test "info locals" "value = 42\r\nnum = 42" |