blob: 19752d333dc4ea6f295e660594d6f9f46859255f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
# Copyright 2020-2022 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Test support for non-byte-sized integer base types.
load_lib dwarf.exp
# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
return 0
}
standard_testfile .c .S
set executable ${testfile}
set asm_file [standard_output_file ${srcfile2}]
if [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] {
return -1
}
# Create the DWARF.
Dwarf::assemble ${asm_file} {
cu {} {
DW_TAG_compile_unit {
{DW_AT_language @DW_LANG_C_plus_plus}
} {
declare_labels i7_type u1_type u17_type u31_type \
u31_1_type u32_0_type u0_0_type be30_1_type
i7_type: DW_TAG_base_type {
{DW_AT_encoding @DW_ATE_signed}
{DW_AT_endianity @DW_END_little}
{DW_AT_name "i7"}
{DW_AT_byte_size 2 DW_FORM_udata}
{DW_AT_bit_size 7 DW_FORM_udata}
}
DW_TAG_variable {
{DW_AT_name "v_i16_m1"}
{DW_AT_type :${i7_type}}
{DW_AT_external 1 DW_FORM_flag}
{DW_AT_location {DW_OP_addr [gdb_target_symbol "i16_m1"]}
SPECIAL_expr}
}
u1_type: DW_TAG_base_type {
{DW_AT_encoding @DW_ATE_boolean}
{DW_AT_endianity @DW_END_little}
{DW_AT_name "u1"}
{DW_AT_byte_size 2 DW_FORM_udata}
{DW_AT_bit_size 1 DW_FORM_udata}
{DW_AT_data_bit_offset 2 DW_FORM_udata}
}
DW_TAG_variable {
{DW_AT_name "v_u16_1"}
{DW_AT_type :${u1_type}}
{DW_AT_external 1 DW_FORM_flag}
{DW_AT_location {DW_OP_addr [gdb_target_symbol "u16_1"]}
SPECIAL_expr}
}
u17_type: DW_TAG_base_type {
{DW_AT_encoding @DW_ATE_signed}
{DW_AT_endianity @DW_END_little}
{DW_AT_name "u17"}
{DW_AT_byte_size 4 DW_FORM_udata}
{DW_AT_bit_size 17 DW_FORM_udata}
}
DW_TAG_variable {
{DW_AT_name "v_u32_m2"}
{DW_AT_type :${u17_type}}
{DW_AT_external 1 DW_FORM_flag}
{DW_AT_location {DW_OP_addr [gdb_target_symbol "u32_m2"]}
SPECIAL_expr}
}
u31_type: DW_TAG_base_type {
{DW_AT_encoding @DW_ATE_unsigned}
{DW_AT_endianity @DW_END_little}
{DW_AT_name "u31"}
{DW_AT_byte_size 4 DW_FORM_udata}
{DW_AT_bit_size 31 DW_FORM_udata}
}
DW_TAG_variable {
{DW_AT_name "v_u32_1"}
{DW_AT_type :${u31_type}}
{DW_AT_external 1 DW_FORM_flag}
{DW_AT_location {DW_OP_addr [gdb_target_symbol "u32_1"]}
SPECIAL_expr}
}
u31_1_type: DW_TAG_base_type {
{DW_AT_encoding @DW_ATE_unsigned}
{DW_AT_endianity @DW_END_little}
{DW_AT_name "u31_1"}
{DW_AT_byte_size 4 DW_FORM_udata}
{DW_AT_bit_size 31 DW_FORM_udata}
{DW_AT_data_bit_offset 1 DW_FORM_udata}
}
DW_TAG_variable {
{DW_AT_name "v_u32_1_off"}
{DW_AT_type :${u31_1_type}}
{DW_AT_external 1 DW_FORM_flag}
{DW_AT_location {DW_OP_addr [gdb_target_symbol "u32_1_off"]}
SPECIAL_expr}
}
be30_1_type: DW_TAG_base_type {
{DW_AT_encoding @DW_ATE_unsigned}
{DW_AT_endianity @DW_END_big}
{DW_AT_name "be30_1"}
{DW_AT_byte_size 4 DW_FORM_udata}
{DW_AT_bit_size 30 DW_FORM_udata}
{DW_AT_data_bit_offset 1 DW_FORM_udata}
}
DW_TAG_variable {
{DW_AT_name "v_be30_1_off"}
{DW_AT_type :${be30_1_type}}
{DW_AT_external 1 DW_FORM_flag}
{DW_AT_location {DW_OP_addr [gdb_target_symbol "be30_1_off"]}
SPECIAL_expr}
}
u32_0_type: DW_TAG_base_type {
{DW_AT_encoding @DW_ATE_unsigned}
{DW_AT_endianity @DW_END_little}
{DW_AT_name "u32_0"}
{DW_AT_byte_size 4 DW_FORM_udata}
{DW_AT_bit_size 0 DW_FORM_udata}
}
DW_TAG_variable {
{DW_AT_name "v_u32_0"}
{DW_AT_type :${u32_0_type}}
{DW_AT_external 1 DW_FORM_flag}
{DW_AT_location {DW_OP_addr [gdb_target_symbol "u32_0"]}
SPECIAL_expr}
}
u0_0_type: DW_TAG_base_type {
{DW_AT_encoding @DW_ATE_unsigned}
{DW_AT_endianity @DW_END_little}
{DW_AT_name "u0_0"}
{DW_AT_byte_size 0 DW_FORM_udata}
}
DW_TAG_variable {
{DW_AT_name "v_u0_0"}
{DW_AT_type :${u0_0_type}}
{DW_AT_external 1 DW_FORM_flag}
{DW_AT_location {DW_OP_addr [gdb_target_symbol "u32_0"]}
SPECIAL_expr}
}
}
}
}
if {[prepare_for_testing "failed to prepare" ${executable} \
[list ${asm_file} ${srcfile}] {}]} {
return -1
}
if {![runto_main]} {
return -1
}
gdb_test "print v_i16_m1" "= -1"
gdb_test "print v_u16_1" "= true"
gdb_test "print v_u32_m2" "= -2"
gdb_test "print v_u32_1" "= 1"
gdb_test "print v_u32_0" "= 0"
gdb_test "print v_u0_0" "= 0"
gdb_test "print v_i16_m1 = 7" "= 7"
gdb_test "print v_i16_m1" "= 7" "print v_i16_m1 after assignment"
gdb_test "print v_u32_1_off" "= 1"
gdb_test "print v_u32_1_off = 7" " = 7"
gdb_test "x/4xb &v_u32_1_off" ":\t0x0e\t0x00\t0x00\t0x00"
gdb_test "print v_be30_1_off" "= 1"
gdb_test "print v_be30_1_off = 7" " = 7"
gdb_test "x/4xb &v_be30_1_off" ":\t0x00\t0x00\t0x00\t0x0e"
|