1 # Copyright 2017-2024 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
6 # (at your option) any later version.
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.
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/>.
18 # This test can only be run on targets which support DWARF-2 and use gas.
19 require dwarf2_support
21 standard_testfile main.c -dw.S
23 # We need to know the endianess in order
24 # to write some of the debugging info we'd like to generate.
25 if [prepare_for_testing "failed to prepare for endianness test" ${testfile} ${srcfile}] {
29 set endianness [get_endianness]
31 set high "0x123456789abcdef0"
32 set low "0x0fedcba987654321"
33 if { $endianness == "big" } {
36 set negative 0xffffffffffffffff,$low
40 set negative $low,0xffffffffffffffff
43 # Make some DWARF for the test.
44 set asm_file [standard_output_file $srcfile2]
45 Dwarf::assemble $asm_file {
46 global pair pair2 negative
50 declare_labels int_label sint_label
52 int_label: DW_TAG_base_type {
53 {DW_AT_byte_size 16 DW_FORM_udata}
54 {DW_AT_encoding @DW_ATE_unsigned}
55 {DW_AT_name "__uint128"}
58 sint_label: DW_TAG_base_type {
59 {DW_AT_byte_size 16 DW_FORM_udata}
60 {DW_AT_encoding @DW_ATE_signed}
61 {DW_AT_name "__int128"}
67 {const_value $pair DW_FORM_data16}
73 {const_value $pair2 DW_FORM_data16}
79 {const_value $negative DW_FORM_data16}
85 if { [prepare_for_testing "failed to prepare" ${testfile} \
86 [list $srcfile $asm_file] {nodebug}] } {
90 gdb_test "p/x xxx" " = 0x123456789abcdef00fedcba987654321"
91 gdb_test "p xxx" "= 24197857203266734864629346612071973665"
92 gdb_test "p/x yyy" " = 0xfedcba987654321"
93 gdb_test "p yyy" "= 1147797409030816545"
94 gdb_test "p/x sss" " = 0xffffffffffffffff0fedcba987654321"
95 gdb_test "p sss" "= -17298946664678735071"