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b811d2c2 | 1 | # Copyright 2017-2020 Free Software Foundation, Inc. |
0224619f JK |
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 | load_lib dwarf.exp | |
17 | ||
18 | # This test can only be run on targets which support DWARF-2 and use gas. | |
19 | if {![dwarf2_support]} { | |
20 | return 0 | |
21 | } | |
22 | ||
23 | standard_testfile .c formdata16-dw.S | |
24 | ||
25 | # We need to know the endianess in order | |
26 | # to write some of the debugging info we'd like to generate. | |
27 | if [prepare_for_testing "failed to prepare for endianness test" ${testfile} ${srcfile}] { | |
28 | return -1 | |
29 | } | |
30 | ||
805acca0 | 31 | set endianness [get_endianness] |
0224619f JK |
32 | |
33 | set high "0x123456789abcdef0" | |
34 | set low "0x0fedcba987654321" | |
35 | if { $endianness == "big" } { | |
36 | set pair $high,$low | |
973e9aab TT |
37 | set pair2 0x0,$low |
38 | set negative 0xffffffffffffffff,$low | |
0224619f JK |
39 | } else { |
40 | set pair $low,$high | |
973e9aab TT |
41 | set pair2 $low,0x0 |
42 | set negative $low,0xffffffffffffffff | |
0224619f JK |
43 | } |
44 | ||
45 | # Make some DWARF for the test. | |
46 | set asm_file [standard_output_file $srcfile2] | |
47 | Dwarf::assemble $asm_file { | |
973e9aab | 48 | global pair pair2 negative |
0224619f JK |
49 | |
50 | cu { addr_size 4 } { | |
51 | compile_unit {} { | |
973e9aab | 52 | declare_labels int_label sint_label |
0224619f JK |
53 | |
54 | int_label: DW_TAG_base_type { | |
55 | {DW_AT_byte_size 16 DW_FORM_udata} | |
56 | {DW_AT_encoding @DW_ATE_unsigned} | |
57 | {DW_AT_name "__uint128"} | |
58 | } | |
59 | ||
973e9aab TT |
60 | sint_label: DW_TAG_base_type { |
61 | {DW_AT_byte_size 16 DW_FORM_udata} | |
62 | {DW_AT_encoding @DW_ATE_signed} | |
63 | {DW_AT_name "__int128"} | |
64 | } | |
65 | ||
0224619f JK |
66 | DW_TAG_variable { |
67 | {name xxx} | |
68 | {type :$int_label} | |
69 | {const_value $pair DW_FORM_data16} | |
70 | } | |
973e9aab TT |
71 | |
72 | DW_TAG_variable { | |
73 | {name yyy} | |
74 | {type :$int_label} | |
75 | {const_value $pair2 DW_FORM_data16} | |
76 | } | |
77 | ||
78 | DW_TAG_variable { | |
79 | {name sss} | |
80 | {type :$sint_label} | |
81 | {const_value $negative DW_FORM_data16} | |
82 | } | |
0224619f JK |
83 | } |
84 | } | |
85 | } | |
86 | ||
87 | if { [prepare_for_testing "failed to prepare" ${testfile} \ | |
88 | [list $srcfile $asm_file] {nodebug}] } { | |
89 | return -1 | |
90 | } | |
91 | ||
92 | gdb_test "p/x xxx" " = 0x123456789abcdef00fedcba987654321" | |
973e9aab TT |
93 | gdb_test "p xxx" "= 24197857203266734864629346612071973665" |
94 | gdb_test "p/x yyy" " = 0xfedcba987654321" | |
95 | gdb_test "p yyy" "= 1147797409030816545" | |
96 | gdb_test "p/x sss" " = 0xffffffffffffffff0fedcba987654321" | |
97 | gdb_test "p sss" "= -17298946664678735071" |