1 # Copyright 2016-2019 Free Software Foundation, Inc.
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
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10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
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16 # Test printing a bitfield of an optimized-out variable. Regression
17 # test for PR gdb/20295.
21 # This test can only be run on targets which support DWARF-2 and use gas.
22 if {![dwarf2_support]} {
26 standard_testfile main.c .S
27 set executable ${testfile}
29 # Make some DWARF for the test.
30 set asm_file [standard_output_file $srcfile2]
31 Dwarf::assemble $asm_file {
32 global srcdir subdir srcfile
34 cu { version 3 addr_size 4 } {
36 declare_labels struct_label var_label int_label
38 int_label: base_type {
40 {encoding @DW_ATE_signed}
44 struct_label: structure_type {
46 {byte_size 8 DW_FORM_sdata}
51 {bit_size 12 DW_FORM_sdata}
52 {bit_offset 20 DW_FORM_sdata}
57 {data_member_location 4 DW_FORM_sdata}
62 {MACRO_AT_func { main ${srcdir}/${subdir}/${srcfile} }}
66 var_label: DW_TAG_variable {
68 {location {} DW_FORM_block1}
76 if [prepare_for_testing "failed to prepare" $executable "${asm_file} ${srcfile}" {}] {
84 gdb_test "p var" " = <optimized out>"
85 gdb_test "p var.bitfield" " = <optimized out>"
86 gdb_test "p var.intfield" " = <optimized out>"