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618f726f | 1 | # Copyright 1992-2016 Free Software Foundation, Inc. |
c8170782 PH |
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 | |
e22f8b7c | 5 | # the Free Software Foundation; either version 3 of the License, or |
c8170782 | 6 | # (at your option) any later version. |
e22f8b7c | 7 | # |
c8170782 PH |
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. | |
e22f8b7c | 12 | # |
c8170782 | 13 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
c8170782 PH |
15 | |
16 | # This file was adapted from bitfields.exp by Paul Hilfinger | |
17 | # (Hilfinger@gnat.com) | |
18 | ||
19 | # | |
20 | # Tests for bit-fields that do not fit in type (unsigned) int, but do fit | |
21 | # in type (unsigned) long long. We perform essentially the same tests as | |
22 | # in bitfields.c, which considers only bit-fields that are <= 9 bits long. | |
23 | # | |
24 | ||
c8170782 | 25 | |
a64d2530 TT |
26 | standard_testfile .c |
27 | ||
c8170782 | 28 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
b60f0898 JB |
29 | untested bitfields2.exp |
30 | return -1 | |
c8170782 PH |
31 | } |
32 | ||
33 | set has_signed_bitfields 1 | |
34 | ||
35 | # | |
36 | # Continue to expected breakpoint at FUNCTION. Append TAG to make pass/fail | |
37 | # messages (to make them unique). Suppress tests on failure. | |
38 | # | |
39 | proc continue_test { function tag } { | |
40 | global decimal | |
41 | global srcfile | |
42 | ||
43 | if [gdb_test "cont" "Break.*$function \\(\\) at .*$srcfile:$decimal.*" "continuing to $function $tag"] { | |
44 | gdb_suppress_tests | |
45 | } | |
46 | } | |
47 | ||
48 | # | |
49 | # Start next test by running to tester and then to FUNCTION. Suppresses | |
50 | # tests on failure. | |
51 | # | |
52 | proc start_test { function } { | |
53 | delete_breakpoints | |
f6978de9 | 54 | if [gdb_test "break tester" ".*" "break tester prior to $function"] { |
c8170782 PH |
55 | gdb_suppress_tests |
56 | } | |
57 | continue_test "tester" "prior to $function" | |
58 | if ![gdb_breakpoint $function] { | |
59 | gdb_suppress_tests | |
60 | } | |
61 | continue_test $function "#0" | |
62 | } | |
63 | ||
64 | ||
65 | # | |
66 | # Test bitfield locating and uniqueness. | |
67 | # For each member, set that member to 1 and verify that the member (and only | |
68 | # that member) is 1, then reset it back to 0. | |
69 | # | |
70 | ||
71 | proc bitfield_uniqueness {} { | |
72 | global decimal | |
73 | global hex | |
74 | global gdb_prompt | |
75 | global srcfile | |
76 | ||
77 | start_test break1 | |
78 | ||
79 | if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 0, s1 = 1, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.s1 = 1"] { | |
4ec70201 | 80 | gdb_suppress_tests |
c8170782 PH |
81 | } |
82 | continue_test break1 "#1" | |
83 | if [gdb_test "print flags" ".*u1 = 1, u2 = 0, u3 = 0, s1 = 0, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.u1 = 1"] { | |
4ec70201 | 84 | gdb_suppress_tests |
c8170782 PH |
85 | } |
86 | continue_test break1 "#2" | |
87 | if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 0, s1 = 0, s2 = 1, s3 = 0.*" "bitfield uniqueness; flags.s2 = 1"] { | |
4ec70201 | 88 | gdb_suppress_tests |
c8170782 PH |
89 | } |
90 | continue_test break1 "#3" | |
91 | if [gdb_test "print flags" ".*u1 = 0, u2 = 1, u3 = 0, s1 = 0, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.u2 = 1"] { | |
4ec70201 | 92 | gdb_suppress_tests |
c8170782 PH |
93 | } |
94 | continue_test break1 "#4" | |
95 | if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 0, s1 = 0, s2 = 0, s3 = 1.*" "bitfield uniqueness; flags.s3 = 1"] { | |
4ec70201 | 96 | gdb_suppress_tests |
c8170782 PH |
97 | } |
98 | continue_test break1 "#5" | |
99 | if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 1, s1 = 0, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.u3 = 1"] { | |
100 | gdb_suppress_tests | |
101 | } | |
4ec70201 | 102 | gdb_stop_suppressing_tests |
c8170782 PH |
103 | } |
104 | ||
105 | ||
106 | # | |
107 | # Test bitfield containment. | |
108 | # Fill alternating fields with all 1's and verify that none of the bits | |
109 | # "bleed over" to the other fields. | |
110 | # | |
111 | ||
112 | proc bitfield_containment {} { | |
113 | global decimal | |
114 | global hex | |
115 | global gdb_prompt | |
116 | global srcfile | |
117 | ||
118 | start_test break2 | |
119 | ||
120 | # If program is compiled with Sun CC, signed fields print out as their | |
121 | # actual sizes; if compiled with gcc, they print out as 0xffffffff. | |
122 | if [gdb_test "print/x flags" "= {u1 = 0x7fff, u2 = 0x0, u3 = 0xffff, s1 = 0x0, s2 = 0x(1ffffffff|f*), s3 = 0x0}" "bitfield containment; flags.u1, flags.u3, and flags.s3 to all 1s"] { | |
123 | gdb_suppress_tests | |
124 | } | |
125 | ||
126 | continue_test break2 "#1" | |
127 | ||
128 | if [gdb_test "print/x flags" "= {u1 = 0x0, u2 = 0x1ffffffff, u3 = 0x0, s1 = 0x(7fff|f*), s2 = 0x0, s3 = 0xf*}" "bitfield containment; flags.u2, flags.s1, flags.s2 to all 1s"] { | |
129 | gdb_suppress_tests | |
130 | } | |
4ec70201 | 131 | gdb_stop_suppressing_tests |
c8170782 PH |
132 | } |
133 | ||
134 | # Test unsigned bitfields for unsignedness and range. | |
135 | # Fill the unsigned fields with the maximum positive value and verify that | |
136 | # the values are printed correctly. | |
137 | ||
138 | proc bitfield_unsignedness {} { | |
139 | global decimal | |
140 | global hex | |
141 | global gdb_prompt | |
142 | global srcfile | |
143 | ||
144 | start_test break3 | |
145 | ||
146 | if [gdb_test "print flags" ".*u1 = 32767, u2 = 8589934591, u3 = 65535, s1 = 0, s2 = 0, s3 = 0.*" "maximum unsigned bitfield values"] { | |
147 | gdb_suppress_tests | |
148 | } | |
4ec70201 | 149 | gdb_stop_suppressing_tests |
c8170782 PH |
150 | } |
151 | ||
152 | # | |
153 | # Test signed bitfields for signedness and range. | |
154 | # Fill the signed fields with the maximum positive value, then the maximally | |
155 | # negative value, then -1, and verify in each case that the values are | |
156 | # printed correctly. | |
157 | # | |
158 | ||
159 | proc bitfield_signedness {} { | |
160 | global decimal | |
161 | global hex | |
162 | global gdb_prompt | |
163 | global srcfile | |
164 | global has_signed_bitfields | |
165 | ||
166 | start_test break4 | |
167 | ||
168 | if [gdb_test "print flags" "= {.*u1 = 0, u2 = 0, u3 = 0, s1 = 16383, s2 = 4294967295, s3 = 32767.*}" "maximum signed bitfield values"] { | |
169 | gdb_suppress_tests | |
170 | } | |
171 | ||
172 | continue_test break4 "#1" | |
173 | ||
174 | # Determine if the target has signed bitfields so we can skip | |
175 | # the signed bitfield tests if it doesn't. | |
176 | set test "determining signed-ness of bitfields" | |
177 | set has_signed_bitfields 0 | |
178 | gdb_test_multiple "print i" $test { | |
179 | -re ".* = -32768.*$gdb_prompt $" { | |
180 | set has_signed_bitfields 1 | |
181 | pass "determining signed-ness of bitfields" | |
182 | } | |
183 | -re ".* = 32768.*$gdb_prompt $" { | |
184 | pass "determining signed-ness of bitfields" | |
185 | } | |
186 | -re ".*$gdb_prompt $" { | |
187 | fail "determining signed-ness of bitfields" | |
188 | gdb_suppress_tests | |
189 | } | |
190 | } | |
191 | ||
192 | set test "most negative signed bitfield values" | |
193 | if $has_signed_bitfields then { | |
194 | if [gdb_test "print flags" "u1 = 0, u2 = 0, u3 = 0, s1 = -16384, s2 = -4294967296, s3 = -32768.*" $test ] { | |
195 | gdb_suppress_tests | |
196 | } | |
197 | } else { | |
198 | unsupported $test | |
199 | } | |
200 | ||
201 | continue_test break4 "#2" | |
202 | ||
203 | set test "signed bitfields containing -1" | |
204 | if $has_signed_bitfields then { | |
205 | if [gdb_test "print flags" "u1 = 0, u2 = 0, u3 = 0, s1 = -1, s2 = -1, s3 = -1.*" $test ] { | |
206 | gdb_suppress_tests | |
207 | } | |
208 | } else { | |
209 | unsupported $test | |
210 | } | |
211 | ||
4ec70201 | 212 | gdb_stop_suppressing_tests |
c8170782 PH |
213 | } |
214 | ||
215 | ||
216 | # Test setting of long long bit fields from within GDB. | |
217 | ||
218 | proc bitfield_set {} { | |
219 | global decimal | |
220 | global hex | |
221 | global gdb_prompt | |
222 | global srcfile | |
223 | global has_signed_bitfields | |
224 | ||
225 | start_test break5 | |
226 | ||
227 | set big_set_failed 0 | |
228 | set test "set long long unsigned bitfield" | |
229 | gdb_test_multiple "print flags.u2 = 0x100000000" $test { | |
230 | -re "warning: Value does not fit.*$gdb_prompt $" { | |
231 | fail "$test" | |
232 | gdb_suppress_tests | |
233 | } | |
234 | -re "= 4294967296.*$gdb_prompt $" { | |
235 | pass "$test" | |
236 | } | |
237 | } | |
238 | ||
239 | set test "set long long signed bitfield positive" | |
240 | gdb_test_multiple "print flags.s2 = 0x80000000" $test { | |
241 | -re "warning: Value does not fit.*$gdb_prompt $" { | |
242 | fail "$test" | |
243 | gdb_suppress_tests | |
244 | } | |
245 | -re "= 2147483648.*$gdb_prompt $" { | |
246 | pass "$test" | |
247 | } | |
248 | } | |
249 | ||
250 | if [gdb_test "print flags" "u1 = 0, u2 = 4294967296, u3 = 0, s1 = 0, s2 = 2147483648, s3 = 0.*" "long long bitfield values after set"] { | |
251 | gdb_suppress_tests | |
252 | } | |
253 | ||
254 | set test "set long long signed bitfield negative" | |
255 | if $has_signed_bitfields then { | |
256 | gdb_test_multiple "print flags.s2 = -1" $test { | |
257 | -re "warning: Value does not fit.*$gdb_prompt $" { | |
258 | fail "$test" | |
259 | gdb_suppress_tests | |
260 | } | |
261 | -re "= -1.*$gdb_prompt $" { | |
262 | pass "$test" | |
263 | } | |
264 | } | |
265 | } else { | |
266 | unsupported $test | |
267 | } | |
268 | ||
269 | set test "long long bitfield values after set negative" | |
270 | if $has_signed_bitfields then { | |
271 | if [gdb_test "print flags" "u1 = 0, u2 = 4294967296, u3 = 0, s1 = 0, s2 = -1, s3 = 0.*" $test] { | |
272 | gdb_suppress_tests | |
273 | } | |
274 | } else { | |
275 | unsupported $test | |
276 | } | |
277 | ||
4ec70201 | 278 | gdb_stop_suppressing_tests |
c8170782 PH |
279 | } |
280 | ||
a64d2530 | 281 | clean_restart ${binfile} |
c8170782 | 282 | |
6acb16a2 | 283 | gdb_test_no_output "set print sevenbit-strings" |
c8170782 PH |
284 | runto_main |
285 | ||
286 | bitfield_uniqueness | |
287 | bitfield_containment | |
288 | bitfield_unsignedness | |
289 | bitfield_signedness | |
290 | bitfield_set | |
291 |