1# Copyright 2020-2023 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 a concrete var importing an abstract var using
17# DW_AT_abstract_origin inherits the DW_AT_const_value attribute.
18
19load_lib dwarf.exp
20
21# This test can only be run on targets which support DWARF-2 and use gas.
22if {![dwarf2_support]} {
23    return 0
24};
25
26standard_testfile main.c .S
27
28set executable ${testfile}
29set asm_file [standard_output_file ${srcfile2}]
30
31# We need to know the size of integer type in order
32# to write some of the debugging info we'd like to generate.
33if [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] {
34    return -1
35}
36
37# Create the DWARF.
38Dwarf::assemble $asm_file {
39    declare_labels cu_label main_label int_label
40    declare_labels aaa_label
41    set int_size [get_sizeof "int" 4]
42
43    cu {} {
44	cu_label: partial_unit {
45	    {language @DW_LANG_C}
46	    {name "imported_unit.c"}
47	} {
48	    int_label: base_type {
49		{byte_size $int_size sdata}
50		{encoding @DW_ATE_signed}
51		{name int}
52	    }
53
54	    aaa_label: DW_TAG_variable {
55		{name aaa}
56		{type :$int_label}
57		{const_value 1 DW_FORM_sdata}
58	    }
59
60	    main_label: subprogram {
61		{name main}
62		{type :$int_label}
63		{external 1 flag}
64	    }
65	}
66    }
67
68    cu {} {
69	compile_unit {
70	    {language @DW_LANG_C}
71	    {name "<artificial>"}
72	} {
73	    DW_TAG_variable {
74		{abstract_origin %$aaa_label}
75	    }
76	    subprogram {
77		{abstract_origin %$main_label}
78		{MACRO_AT_range {main}}
79	    }
80	}
81    }
82}
83
84if { [prepare_for_testing "failed to prepare" ${testfile} \
85	  [list $srcfile $asm_file] {nodebug}] } {
86    return -1
87}
88
89gdb_test "p aaa" "= 1"
90