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4c38e0a4 | 1 | # Copyright 1992, 1994, 1995, 1997, 2004, 2007, 2008, 2009, 2010 |
9b254dd1 | 2 | # Free Software Foundation, Inc. |
c8170782 PH |
3 | |
4 | # This program is free software; you can redistribute it and/or modify | |
5 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 6 | # the Free Software Foundation; either version 3 of the License, or |
c8170782 | 7 | # (at your option) any later version. |
e22f8b7c | 8 | # |
c8170782 PH |
9 | # This program is distributed in the hope that it will be useful, |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
e22f8b7c | 13 | # |
c8170782 | 14 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
c8170782 PH |
16 | |
17 | # This file was adapted from bitfields.exp by Paul Hilfinger | |
18 | # (Hilfinger@gnat.com) | |
19 | ||
20 | # | |
21 | # Tests for bit-fields that do not fit in type (unsigned) int, but do fit | |
22 | # in type (unsigned) long long. We perform essentially the same tests as | |
23 | # in bitfields.c, which considers only bit-fields that are <= 9 bits long. | |
24 | # | |
25 | ||
26 | if $tracelevel then { | |
27 | strace $tracelevel | |
28 | } | |
29 | ||
c8170782 PH |
30 | |
31 | set testfile "bitfields2" | |
32 | set srcfile ${testfile}.c | |
33 | set binfile ${objdir}/${subdir}/${testfile} | |
34 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
b60f0898 JB |
35 | untested bitfields2.exp |
36 | return -1 | |
c8170782 PH |
37 | } |
38 | ||
39 | set has_signed_bitfields 1 | |
40 | ||
41 | # | |
42 | # Continue to expected breakpoint at FUNCTION. Append TAG to make pass/fail | |
43 | # messages (to make them unique). Suppress tests on failure. | |
44 | # | |
45 | proc continue_test { function tag } { | |
46 | global decimal | |
47 | global srcfile | |
48 | ||
49 | if [gdb_test "cont" "Break.*$function \\(\\) at .*$srcfile:$decimal.*" "continuing to $function $tag"] { | |
50 | gdb_suppress_tests | |
51 | } | |
52 | } | |
53 | ||
54 | # | |
55 | # Start next test by running to tester and then to FUNCTION. Suppresses | |
56 | # tests on failure. | |
57 | # | |
58 | proc start_test { function } { | |
59 | delete_breakpoints | |
60 | if [gdb_test "break tester" "" "break tester prior to $function"] { | |
61 | gdb_suppress_tests | |
62 | } | |
63 | continue_test "tester" "prior to $function" | |
64 | if ![gdb_breakpoint $function] { | |
65 | gdb_suppress_tests | |
66 | } | |
67 | continue_test $function "#0" | |
68 | } | |
69 | ||
70 | ||
71 | # | |
72 | # Test bitfield locating and uniqueness. | |
73 | # For each member, set that member to 1 and verify that the member (and only | |
74 | # that member) is 1, then reset it back to 0. | |
75 | # | |
76 | ||
77 | proc bitfield_uniqueness {} { | |
78 | global decimal | |
79 | global hex | |
80 | global gdb_prompt | |
81 | global srcfile | |
82 | ||
83 | start_test break1 | |
84 | ||
85 | if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 0, s1 = 1, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.s1 = 1"] { | |
86 | gdb_suppress_tests; | |
87 | } | |
88 | continue_test break1 "#1" | |
89 | if [gdb_test "print flags" ".*u1 = 1, u2 = 0, u3 = 0, s1 = 0, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.u1 = 1"] { | |
90 | gdb_suppress_tests; | |
91 | } | |
92 | continue_test break1 "#2" | |
93 | if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 0, s1 = 0, s2 = 1, s3 = 0.*" "bitfield uniqueness; flags.s2 = 1"] { | |
94 | gdb_suppress_tests; | |
95 | } | |
96 | continue_test break1 "#3" | |
97 | if [gdb_test "print flags" ".*u1 = 0, u2 = 1, u3 = 0, s1 = 0, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.u2 = 1"] { | |
98 | gdb_suppress_tests; | |
99 | } | |
100 | continue_test break1 "#4" | |
101 | if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 0, s1 = 0, s2 = 0, s3 = 1.*" "bitfield uniqueness; flags.s3 = 1"] { | |
102 | gdb_suppress_tests; | |
103 | } | |
104 | continue_test break1 "#5" | |
105 | if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 1, s1 = 0, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.u3 = 1"] { | |
106 | gdb_suppress_tests | |
107 | } | |
108 | gdb_stop_suppressing_tests; | |
109 | } | |
110 | ||
111 | ||
112 | # | |
113 | # Test bitfield containment. | |
114 | # Fill alternating fields with all 1's and verify that none of the bits | |
115 | # "bleed over" to the other fields. | |
116 | # | |
117 | ||
118 | proc bitfield_containment {} { | |
119 | global decimal | |
120 | global hex | |
121 | global gdb_prompt | |
122 | global srcfile | |
123 | ||
124 | start_test break2 | |
125 | ||
126 | # If program is compiled with Sun CC, signed fields print out as their | |
127 | # actual sizes; if compiled with gcc, they print out as 0xffffffff. | |
128 | 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"] { | |
129 | gdb_suppress_tests | |
130 | } | |
131 | ||
132 | continue_test break2 "#1" | |
133 | ||
134 | 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"] { | |
135 | gdb_suppress_tests | |
136 | } | |
137 | gdb_stop_suppressing_tests; | |
138 | } | |
139 | ||
140 | # Test unsigned bitfields for unsignedness and range. | |
141 | # Fill the unsigned fields with the maximum positive value and verify that | |
142 | # the values are printed correctly. | |
143 | ||
144 | proc bitfield_unsignedness {} { | |
145 | global decimal | |
146 | global hex | |
147 | global gdb_prompt | |
148 | global srcfile | |
149 | ||
150 | start_test break3 | |
151 | ||
152 | if [gdb_test "print flags" ".*u1 = 32767, u2 = 8589934591, u3 = 65535, s1 = 0, s2 = 0, s3 = 0.*" "maximum unsigned bitfield values"] { | |
153 | gdb_suppress_tests | |
154 | } | |
155 | gdb_stop_suppressing_tests; | |
156 | } | |
157 | ||
158 | # | |
159 | # Test signed bitfields for signedness and range. | |
160 | # Fill the signed fields with the maximum positive value, then the maximally | |
161 | # negative value, then -1, and verify in each case that the values are | |
162 | # printed correctly. | |
163 | # | |
164 | ||
165 | proc bitfield_signedness {} { | |
166 | global decimal | |
167 | global hex | |
168 | global gdb_prompt | |
169 | global srcfile | |
170 | global has_signed_bitfields | |
171 | ||
172 | start_test break4 | |
173 | ||
174 | if [gdb_test "print flags" "= {.*u1 = 0, u2 = 0, u3 = 0, s1 = 16383, s2 = 4294967295, s3 = 32767.*}" "maximum signed bitfield values"] { | |
175 | gdb_suppress_tests | |
176 | } | |
177 | ||
178 | continue_test break4 "#1" | |
179 | ||
180 | # Determine if the target has signed bitfields so we can skip | |
181 | # the signed bitfield tests if it doesn't. | |
182 | set test "determining signed-ness of bitfields" | |
183 | set has_signed_bitfields 0 | |
184 | gdb_test_multiple "print i" $test { | |
185 | -re ".* = -32768.*$gdb_prompt $" { | |
186 | set has_signed_bitfields 1 | |
187 | pass "determining signed-ness of bitfields" | |
188 | } | |
189 | -re ".* = 32768.*$gdb_prompt $" { | |
190 | pass "determining signed-ness of bitfields" | |
191 | } | |
192 | -re ".*$gdb_prompt $" { | |
193 | fail "determining signed-ness of bitfields" | |
194 | gdb_suppress_tests | |
195 | } | |
196 | } | |
197 | ||
198 | set test "most negative signed bitfield values" | |
199 | if $has_signed_bitfields then { | |
200 | if [gdb_test "print flags" "u1 = 0, u2 = 0, u3 = 0, s1 = -16384, s2 = -4294967296, s3 = -32768.*" $test ] { | |
201 | gdb_suppress_tests | |
202 | } | |
203 | } else { | |
204 | unsupported $test | |
205 | } | |
206 | ||
207 | continue_test break4 "#2" | |
208 | ||
209 | set test "signed bitfields containing -1" | |
210 | if $has_signed_bitfields then { | |
211 | if [gdb_test "print flags" "u1 = 0, u2 = 0, u3 = 0, s1 = -1, s2 = -1, s3 = -1.*" $test ] { | |
212 | gdb_suppress_tests | |
213 | } | |
214 | } else { | |
215 | unsupported $test | |
216 | } | |
217 | ||
218 | gdb_stop_suppressing_tests; | |
219 | } | |
220 | ||
221 | ||
222 | # Test setting of long long bit fields from within GDB. | |
223 | ||
224 | proc bitfield_set {} { | |
225 | global decimal | |
226 | global hex | |
227 | global gdb_prompt | |
228 | global srcfile | |
229 | global has_signed_bitfields | |
230 | ||
231 | start_test break5 | |
232 | ||
233 | set big_set_failed 0 | |
234 | set test "set long long unsigned bitfield" | |
235 | gdb_test_multiple "print flags.u2 = 0x100000000" $test { | |
236 | -re "warning: Value does not fit.*$gdb_prompt $" { | |
237 | fail "$test" | |
238 | gdb_suppress_tests | |
239 | } | |
240 | -re "= 4294967296.*$gdb_prompt $" { | |
241 | pass "$test" | |
242 | } | |
243 | } | |
244 | ||
245 | set test "set long long signed bitfield positive" | |
246 | gdb_test_multiple "print flags.s2 = 0x80000000" $test { | |
247 | -re "warning: Value does not fit.*$gdb_prompt $" { | |
248 | fail "$test" | |
249 | gdb_suppress_tests | |
250 | } | |
251 | -re "= 2147483648.*$gdb_prompt $" { | |
252 | pass "$test" | |
253 | } | |
254 | } | |
255 | ||
256 | if [gdb_test "print flags" "u1 = 0, u2 = 4294967296, u3 = 0, s1 = 0, s2 = 2147483648, s3 = 0.*" "long long bitfield values after set"] { | |
257 | gdb_suppress_tests | |
258 | } | |
259 | ||
260 | set test "set long long signed bitfield negative" | |
261 | if $has_signed_bitfields then { | |
262 | gdb_test_multiple "print flags.s2 = -1" $test { | |
263 | -re "warning: Value does not fit.*$gdb_prompt $" { | |
264 | fail "$test" | |
265 | gdb_suppress_tests | |
266 | } | |
267 | -re "= -1.*$gdb_prompt $" { | |
268 | pass "$test" | |
269 | } | |
270 | } | |
271 | } else { | |
272 | unsupported $test | |
273 | } | |
274 | ||
275 | set test "long long bitfield values after set negative" | |
276 | if $has_signed_bitfields then { | |
277 | if [gdb_test "print flags" "u1 = 0, u2 = 4294967296, u3 = 0, s1 = 0, s2 = -1, s3 = 0.*" $test] { | |
278 | gdb_suppress_tests | |
279 | } | |
280 | } else { | |
281 | unsupported $test | |
282 | } | |
283 | ||
284 | gdb_stop_suppressing_tests; | |
285 | } | |
286 | ||
287 | gdb_start | |
288 | gdb_reinitialize_dir $srcdir/$subdir | |
289 | gdb_load ${binfile} | |
290 | ||
291 | send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $" | |
292 | runto_main | |
293 | ||
294 | bitfield_uniqueness | |
295 | bitfield_containment | |
296 | bitfield_unsignedness | |
297 | bitfield_signedness | |
298 | bitfield_set | |
299 |