DWARF: Add array DW_AT_bit_stride and DW_AT_byte_stride support
[binutils-gdb.git] / gdb / testsuite / gdb.dwarf2 / arr-stride.exp
1 # Copyright 2014 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 load_lib dwarf.exp
16
17 # This test can only be run on targets which support DWARF-2 and use gas.
18 if {![dwarf2_support]} {
19 return 0
20 }
21
22 standard_testfile arr-stride.c arr-stride-dw.S
23
24 # Make some DWARF for the test.
25 set asm_file [standard_output_file $srcfile2]
26 Dwarf::assemble $asm_file {
27 cu {} {
28 DW_TAG_compile_unit {
29 {DW_AT_language @DW_LANG_Ada95}
30 {DW_AT_name foo.adb}
31 {DW_AT_comp_dir /tmp}
32 } {
33 declare_labels integer_label array_elt_label array_label \
34 big_array_label
35
36 integer_label: DW_TAG_base_type {
37 {DW_AT_byte_size 4 DW_FORM_sdata}
38 {DW_AT_encoding @DW_ATE_signed}
39 {DW_AT_name integer}
40 }
41
42 array_elt_label: DW_TAG_subrange_type {
43 {DW_AT_lower_bound 0xe0 DW_FORM_data1}
44 {DW_AT_upper_bound 0x1f DW_FORM_data1}
45 {DW_AT_name pck__item}
46 {DW_AT_type :$integer_label}
47 }
48
49 DW_TAG_typedef {
50 {DW_AT_name pck__table}
51 {DW_AT_type :$array_label}
52 }
53
54 array_label: DW_TAG_array_type {
55 {DW_AT_name pck__table}
56 {DW_AT_bit_stride 6 DW_FORM_data1}
57 {DW_AT_type :$array_elt_label}
58 } {
59 DW_TAG_subrange_type {
60 {DW_AT_type :$integer_label}
61 {DW_AT_lower_bound 0 DW_FORM_data1}
62 {DW_AT_upper_bound 4 DW_FORM_data1}
63 }
64 }
65
66 DW_TAG_typedef {
67 {DW_AT_name pck__big_table}
68 {DW_AT_type :$big_array_label}
69 }
70
71 big_array_label: DW_TAG_array_type {
72 {DW_AT_name pck__big_table}
73 {DW_AT_byte_stride 1 DW_FORM_data1}
74 {DW_AT_type :$array_elt_label}
75 } {
76 DW_TAG_subrange_type {
77 {DW_AT_type :$integer_label}
78 {DW_AT_lower_bound 0 DW_FORM_data1}
79 {DW_AT_upper_bound 4 DW_FORM_data1}
80 }
81 }
82 }
83 }
84 }
85
86 if {[gdb_compile ${srcdir}/${subdir}/${srcfile} ${binfile}1.o \
87 object {nodebug}] != ""} {
88 return -1
89 }
90
91 if {[gdb_compile $asm_file ${binfile}2.o object {nodebug}] != ""} {
92 return -1
93 }
94
95 if {[gdb_compile [list ${binfile}1.o ${binfile}2.o] \
96 "${binfile}" executable {}] != ""} {
97 return -1
98 }
99
100 clean_restart ${testfile}
101
102 gdb_test_no_output "set language ada"
103
104 gdb_test "ptype pck.table" \
105 "type = array \\(0 \\.\\. 4\\) of pck\\.item <packed: 6-bit elements>"
106
107 gdb_test "ptype pck.big_table" \
108 "type = array \\(0 \\.\\. 4\\) of pck\\.item <packed: 8-bit elements>"