projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 88b9d363 | 1 | # Copyright 2016-2022 Free Software Foundation, Inc. |
| e5ca03b4 PA |
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 printing a bitfield of an optimized-out variable. Regression | |
| 17 | # test for PR gdb/20295. | |
| 18 | ||
| 19 | load_lib dwarf.exp | |
| 20 | ||
| 21 | # This test can only be run on targets which support DWARF-2 and use gas. | |
| 22 | if {![dwarf2_support]} { | |
| 23 | return 0 | |
| 24 | } | |
| 25 | ||
| 26 | standard_testfile main.c .S | |
| 27 | set executable ${testfile} | |
| 28 | ||
| 29 | # Make some DWARF for the test. | |
| 30 | set asm_file [standard_output_file $srcfile2] | |
| 31 | Dwarf::assemble $asm_file { | |
| e5ca03b4 PA |
32 | cu { version 3 addr_size 4 } { |
| 33 | compile_unit {} { | |
| 34 | declare_labels struct_label var_label int_label | |
| 35 | ||
| 36 | int_label: base_type { | |
| 37 | {byte_size 4 sdata} | |
| 38 | {encoding @DW_ATE_signed} | |
| 39 | {name int} | |
| 40 | } | |
| 41 | ||
| 42 | struct_label: structure_type { | |
| 43 | {name S} | |
| b7f38fda | 44 | {byte_size 8 DW_FORM_sdata} |
| e5ca03b4 PA |
45 | } { |
| 46 | member { | |
| 47 | {name bitfield} | |
| 48 | {type :$int_label} | |
| 49 | {bit_size 12 DW_FORM_sdata} | |
| 50 | {bit_offset 20 DW_FORM_sdata} | |
| e5ca03b4 PA |
51 | } |
| 52 | member { | |
| 53 | {name intfield} | |
| 54 | {type :$int_label} | |
| b7f38fda | 55 | {data_member_location 4 DW_FORM_sdata} |
| e5ca03b4 PA |
56 | } |
| 57 | } | |
| 58 | ||
| 59 | subprogram { | |
| 10da644d | 60 | {MACRO_AT_func { main }} |
| e5ca03b4 PA |
61 | {type :$int_label} |
| 62 | {external 1 flag} | |
| 63 | } { | |
| 64 | var_label: DW_TAG_variable { | |
| 65 | {name var} | |
| 66 | {location {} DW_FORM_block1} | |
| 67 | {type :$struct_label} | |
| 68 | } | |
| 69 | } | |
| 70 | } | |
| 71 | } | |
| 72 | } | |
| 73 | ||
| 5b362f04 | 74 | if [prepare_for_testing "failed to prepare" $executable "${asm_file} ${srcfile}" {}] { |
| e5ca03b4 PA |
75 | return -1 |
| 76 | } | |
| 77 | ||
| 78 | if ![runto_main] { | |
| 79 | return -1 | |
| 80 | } | |
| 81 | ||
| 82 | gdb_test "p var" " = <optimized out>" | |
| 83 | gdb_test "p var.bitfield" " = <optimized out>" | |
| 84 | gdb_test "p var.intfield" " = <optimized out>" |