Commit | Line | Data |
---|---|---|
c8170782 PH |
1 | # Copyright 1992, 1994, 1995, 1997, 2004 Free Software Foundation, Inc. |
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 2 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, write to the Free Software | |
15 | # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
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 | ||
30 | set prms_id 0 | |
31 | set bug_id 0 | |
32 | ||
33 | set testfile "bitfields2" | |
34 | set srcfile ${testfile}.c | |
35 | set binfile ${objdir}/${subdir}/${testfile} | |
36 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
37 | gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." | |
38 | } | |
39 | ||
40 | set has_signed_bitfields 1 | |
41 | ||
42 | # | |
43 | # Continue to expected breakpoint at FUNCTION. Append TAG to make pass/fail | |
44 | # messages (to make them unique). Suppress tests on failure. | |
45 | # | |
46 | proc continue_test { function tag } { | |
47 | global decimal | |
48 | global srcfile | |
49 | ||
50 | if [gdb_test "cont" "Break.*$function \\(\\) at .*$srcfile:$decimal.*" "continuing to $function $tag"] { | |
51 | gdb_suppress_tests | |
52 | } | |
53 | } | |
54 | ||
55 | # | |
56 | # Start next test by running to tester and then to FUNCTION. Suppresses | |
57 | # tests on failure. | |
58 | # | |
59 | proc start_test { function } { | |
60 | delete_breakpoints | |
61 | if [gdb_test "break tester" "" "break tester prior to $function"] { | |
62 | gdb_suppress_tests | |
63 | } | |
64 | continue_test "tester" "prior to $function" | |
65 | if ![gdb_breakpoint $function] { | |
66 | gdb_suppress_tests | |
67 | } | |
68 | continue_test $function "#0" | |
69 | } | |
70 | ||
71 | ||
72 | # | |
73 | # Test bitfield locating and uniqueness. | |
74 | # For each member, set that member to 1 and verify that the member (and only | |
75 | # that member) is 1, then reset it back to 0. | |
76 | # | |
77 | ||
78 | proc bitfield_uniqueness {} { | |
79 | global decimal | |
80 | global hex | |
81 | global gdb_prompt | |
82 | global srcfile | |
83 | ||
84 | start_test break1 | |
85 | ||
86 | if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 0, s1 = 1, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.s1 = 1"] { | |
87 | gdb_suppress_tests; | |
88 | } | |
89 | continue_test break1 "#1" | |
90 | if [gdb_test "print flags" ".*u1 = 1, u2 = 0, u3 = 0, s1 = 0, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.u1 = 1"] { | |
91 | gdb_suppress_tests; | |
92 | } | |
93 | continue_test break1 "#2" | |
94 | if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 0, s1 = 0, s2 = 1, s3 = 0.*" "bitfield uniqueness; flags.s2 = 1"] { | |
95 | gdb_suppress_tests; | |
96 | } | |
97 | continue_test break1 "#3" | |
98 | if [gdb_test "print flags" ".*u1 = 0, u2 = 1, u3 = 0, s1 = 0, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.u2 = 1"] { | |
99 | gdb_suppress_tests; | |
100 | } | |
101 | continue_test break1 "#4" | |
102 | if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 0, s1 = 0, s2 = 0, s3 = 1.*" "bitfield uniqueness; flags.s3 = 1"] { | |
103 | gdb_suppress_tests; | |
104 | } | |
105 | continue_test break1 "#5" | |
106 | if [gdb_test "print flags" ".*u1 = 0, u2 = 0, u3 = 1, s1 = 0, s2 = 0, s3 = 0.*" "bitfield uniqueness; flags.u3 = 1"] { | |
107 | gdb_suppress_tests | |
108 | } | |
109 | gdb_stop_suppressing_tests; | |
110 | } | |
111 | ||
112 | ||
113 | # | |
114 | # Test bitfield containment. | |
115 | # Fill alternating fields with all 1's and verify that none of the bits | |
116 | # "bleed over" to the other fields. | |
117 | # | |
118 | ||
119 | proc bitfield_containment {} { | |
120 | global decimal | |
121 | global hex | |
122 | global gdb_prompt | |
123 | global srcfile | |
124 | ||
125 | start_test break2 | |
126 | ||
127 | # If program is compiled with Sun CC, signed fields print out as their | |
128 | # actual sizes; if compiled with gcc, they print out as 0xffffffff. | |
129 | 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"] { | |
130 | gdb_suppress_tests | |
131 | } | |
132 | ||
133 | continue_test break2 "#1" | |
134 | ||
135 | 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"] { | |
136 | gdb_suppress_tests | |
137 | } | |
138 | gdb_stop_suppressing_tests; | |
139 | } | |
140 | ||
141 | # Test unsigned bitfields for unsignedness and range. | |
142 | # Fill the unsigned fields with the maximum positive value and verify that | |
143 | # the values are printed correctly. | |
144 | ||
145 | proc bitfield_unsignedness {} { | |
146 | global decimal | |
147 | global hex | |
148 | global gdb_prompt | |
149 | global srcfile | |
150 | ||
151 | start_test break3 | |
152 | ||
153 | if [gdb_test "print flags" ".*u1 = 32767, u2 = 8589934591, u3 = 65535, s1 = 0, s2 = 0, s3 = 0.*" "maximum unsigned bitfield values"] { | |
154 | gdb_suppress_tests | |
155 | } | |
156 | gdb_stop_suppressing_tests; | |
157 | } | |
158 | ||
159 | # | |
160 | # Test signed bitfields for signedness and range. | |
161 | # Fill the signed fields with the maximum positive value, then the maximally | |
162 | # negative value, then -1, and verify in each case that the values are | |
163 | # printed correctly. | |
164 | # | |
165 | ||
166 | proc bitfield_signedness {} { | |
167 | global decimal | |
168 | global hex | |
169 | global gdb_prompt | |
170 | global srcfile | |
171 | global has_signed_bitfields | |
172 | ||
173 | start_test break4 | |
174 | ||
175 | if [gdb_test "print flags" "= {.*u1 = 0, u2 = 0, u3 = 0, s1 = 16383, s2 = 4294967295, s3 = 32767.*}" "maximum signed bitfield values"] { | |
176 | gdb_suppress_tests | |
177 | } | |
178 | ||
179 | continue_test break4 "#1" | |
180 | ||
181 | # Determine if the target has signed bitfields so we can skip | |
182 | # the signed bitfield tests if it doesn't. | |
183 | set test "determining signed-ness of bitfields" | |
184 | set has_signed_bitfields 0 | |
185 | gdb_test_multiple "print i" $test { | |
186 | -re ".* = -32768.*$gdb_prompt $" { | |
187 | set has_signed_bitfields 1 | |
188 | pass "determining signed-ness of bitfields" | |
189 | } | |
190 | -re ".* = 32768.*$gdb_prompt $" { | |
191 | pass "determining signed-ness of bitfields" | |
192 | } | |
193 | -re ".*$gdb_prompt $" { | |
194 | fail "determining signed-ness of bitfields" | |
195 | gdb_suppress_tests | |
196 | } | |
197 | } | |
198 | ||
199 | set test "most negative signed bitfield values" | |
200 | if $has_signed_bitfields then { | |
201 | if [gdb_test "print flags" "u1 = 0, u2 = 0, u3 = 0, s1 = -16384, s2 = -4294967296, s3 = -32768.*" $test ] { | |
202 | gdb_suppress_tests | |
203 | } | |
204 | } else { | |
205 | unsupported $test | |
206 | } | |
207 | ||
208 | continue_test break4 "#2" | |
209 | ||
210 | set test "signed bitfields containing -1" | |
211 | if $has_signed_bitfields then { | |
212 | if [gdb_test "print flags" "u1 = 0, u2 = 0, u3 = 0, s1 = -1, s2 = -1, s3 = -1.*" $test ] { | |
213 | gdb_suppress_tests | |
214 | } | |
215 | } else { | |
216 | unsupported $test | |
217 | } | |
218 | ||
219 | gdb_stop_suppressing_tests; | |
220 | } | |
221 | ||
222 | ||
223 | # Test setting of long long bit fields from within GDB. | |
224 | ||
225 | proc bitfield_set {} { | |
226 | global decimal | |
227 | global hex | |
228 | global gdb_prompt | |
229 | global srcfile | |
230 | global has_signed_bitfields | |
231 | ||
232 | start_test break5 | |
233 | ||
234 | set big_set_failed 0 | |
235 | set test "set long long unsigned bitfield" | |
236 | gdb_test_multiple "print flags.u2 = 0x100000000" $test { | |
237 | -re "warning: Value does not fit.*$gdb_prompt $" { | |
238 | fail "$test" | |
239 | gdb_suppress_tests | |
240 | } | |
241 | -re "= 4294967296.*$gdb_prompt $" { | |
242 | pass "$test" | |
243 | } | |
244 | } | |
245 | ||
246 | set test "set long long signed bitfield positive" | |
247 | gdb_test_multiple "print flags.s2 = 0x80000000" $test { | |
248 | -re "warning: Value does not fit.*$gdb_prompt $" { | |
249 | fail "$test" | |
250 | gdb_suppress_tests | |
251 | } | |
252 | -re "= 2147483648.*$gdb_prompt $" { | |
253 | pass "$test" | |
254 | } | |
255 | } | |
256 | ||
257 | if [gdb_test "print flags" "u1 = 0, u2 = 4294967296, u3 = 0, s1 = 0, s2 = 2147483648, s3 = 0.*" "long long bitfield values after set"] { | |
258 | gdb_suppress_tests | |
259 | } | |
260 | ||
261 | set test "set long long signed bitfield negative" | |
262 | if $has_signed_bitfields then { | |
263 | gdb_test_multiple "print flags.s2 = -1" $test { | |
264 | -re "warning: Value does not fit.*$gdb_prompt $" { | |
265 | fail "$test" | |
266 | gdb_suppress_tests | |
267 | } | |
268 | -re "= -1.*$gdb_prompt $" { | |
269 | pass "$test" | |
270 | } | |
271 | } | |
272 | } else { | |
273 | unsupported $test | |
274 | } | |
275 | ||
276 | set test "long long bitfield values after set negative" | |
277 | if $has_signed_bitfields then { | |
278 | if [gdb_test "print flags" "u1 = 0, u2 = 4294967296, u3 = 0, s1 = 0, s2 = -1, s3 = 0.*" $test] { | |
279 | gdb_suppress_tests | |
280 | } | |
281 | } else { | |
282 | unsupported $test | |
283 | } | |
284 | ||
285 | gdb_stop_suppressing_tests; | |
286 | } | |
287 | ||
288 | gdb_start | |
289 | gdb_reinitialize_dir $srcdir/$subdir | |
290 | gdb_load ${binfile} | |
291 | ||
292 | send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $" | |
293 | runto_main | |
294 | ||
295 | bitfield_uniqueness | |
296 | bitfield_containment | |
297 | bitfield_unsignedness | |
298 | bitfield_signedness | |
299 | bitfield_set | |
300 |