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0b302171 JB |
1 | # Copyright 1992, 1994-1995, 1997, 2007-2012 Free Software Foundation, |
2 | # Inc. | |
c906108c SS |
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 |
c906108c | 7 | # (at your option) any later version. |
e22f8b7c | 8 | # |
c906108c SS |
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 | # |
c906108c | 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/>. |
c906108c | 16 | |
c906108c SS |
17 | # This file was written by Fred Fish. (fnf@cygnus.com) |
18 | ||
c906108c SS |
19 | |
20 | set testfile "bitfields" | |
21 | set srcfile ${testfile}.c | |
22 | set binfile ${objdir}/${subdir}/${testfile} | |
23 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
b60f0898 JB |
24 | untested bitfields.exp |
25 | return -1 | |
c906108c SS |
26 | } |
27 | ||
28 | # | |
29 | # Test bitfield locating and uniqueness. | |
30 | # For each member, set that member to 1 and verify that the member (and only | |
31 | # that member) is 1, then reset it back to 0. | |
32 | # | |
33 | ||
34 | proc bitfield_uniqueness {} { | |
35 | global decimal | |
36 | global hex | |
37 | global gdb_prompt | |
38 | global srcfile | |
39 | ||
40 | if { ! [runto break1] } { | |
41 | gdb_suppress_tests; | |
42 | } | |
43 | ||
44 | if [gdb_test "print flags" ".*uc = 1 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*"] { | |
45 | gdb_suppress_tests; | |
46 | } | |
47 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #1"] { | |
48 | gdb_suppress_tests; | |
49 | } | |
50 | # Note that we check for s1 as either 1 or -1, so that failure to | |
51 | # treat it correctly as a signed 1bit field (values 0 or -1) while | |
52 | # printing its value does not cause a spurious failure. We do the | |
53 | # signedness preservation test later. | |
54 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = (1|-1), u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s1)"] { | |
55 | gdb_suppress_tests; | |
56 | } | |
57 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #2"] { | |
58 | gdb_suppress_tests; | |
59 | } | |
60 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u1)"] { | |
61 | gdb_suppress_tests; | |
62 | } | |
63 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #3"] { | |
64 | gdb_suppress_tests; | |
65 | } | |
66 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s2)"] { | |
67 | gdb_suppress_tests; | |
68 | } | |
69 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #4"] { | |
70 | gdb_suppress_tests; | |
71 | } | |
72 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 1, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u2)"] { | |
73 | gdb_suppress_tests; | |
74 | } | |
75 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #5"] { | |
76 | gdb_suppress_tests; | |
77 | } | |
78 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 1, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s3)"] { | |
79 | gdb_suppress_tests; | |
80 | } | |
81 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #6"] { | |
82 | gdb_suppress_tests; | |
83 | } | |
84 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 1, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u3)"] { | |
85 | gdb_suppress_tests | |
86 | } | |
87 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #7"] { | |
88 | gdb_suppress_tests | |
89 | } | |
90 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 1, u9 = 0, sc = 0.*" "bitfield uniqueness (s9)"] { | |
91 | gdb_suppress_tests | |
92 | } | |
93 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #8"] { | |
94 | gdb_suppress_tests | |
95 | } | |
96 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 1, sc = 0.*" "bitfield uniqueness (u9)"] { | |
97 | gdb_suppress_tests | |
98 | } | |
99 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #9"] { | |
100 | gdb_suppress_tests | |
101 | } | |
102 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 1.*" "bitfield uniqueness (sc)"] { | |
103 | gdb_suppress_tests | |
104 | } | |
105 | # Hmmmm? | |
106 | gdb_stop_suppressing_tests; | |
107 | } | |
108 | ||
109 | ||
110 | # | |
111 | # Test bitfield containment. | |
112 | # Fill alternating fields with all 1's and verify that none of the bits | |
113 | # "bleed over" to the other fields. | |
114 | # | |
115 | ||
116 | proc bitfield_containment {} { | |
117 | global decimal | |
118 | global hex | |
119 | global gdb_prompt | |
120 | global srcfile | |
121 | ||
122 | delete_breakpoints | |
123 | ||
124 | if { ![runto break2] } { | |
125 | gdb_suppress_tests | |
126 | } | |
127 | ||
128 | if [gdb_test "print/x flags" "= {uc = 0xff, s1 = 0x0, u1 = 0x1, s2 = 0x0, u2 = 0x3, s3 = 0x0, u3 = 0x7, s9 = 0x0, u9 = 0x1ff, sc = 0x0}" "bitfield containment #1"] { | |
129 | gdb_suppress_tests | |
130 | } | |
131 | ||
132 | if [gdb_test "cont" "Break.*break2 \\(\\) at .*$srcfile:$decimal.*" "continuing to break2"] { | |
133 | gdb_suppress_tests | |
134 | } | |
135 | ||
136 | # If program is compiled with Sun CC, then these print out as their | |
137 | # actual sizes; if compiled with gcc, they print out as 0xffffffff | |
138 | # (which strikes me as bogus, but accept it at least for now). | |
139 | if [gdb_test "print/x flags" "= {uc = 0x0, s1 = 0x(1|f*), u1 = 0x0, s2 = 0x(3|f*), u2 = 0x0, s3 = 0x(7|f*), u3 = 0x0, s9 = 0x(1ff|f*), u9 = 0x0, sc = 0xff}" "bitfield containment #2"] { | |
140 | gdb_suppress_tests | |
141 | } | |
142 | gdb_stop_suppressing_tests; | |
143 | } | |
144 | ||
145 | # Test unsigned bitfields for unsignedness and range. | |
146 | # Fill the unsigned fields with the maximum positive value and verify that | |
147 | # the values are printed correctly. | |
148 | ||
149 | proc bitfield_unsignedness {} { | |
150 | global decimal | |
151 | global hex | |
152 | global gdb_prompt | |
153 | global srcfile | |
154 | ||
155 | delete_breakpoints | |
156 | ||
157 | if { ![runto break3] } { | |
158 | gdb_suppress_tests | |
159 | } | |
160 | ||
161 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 3, s3 = 0, u3 = 7, s9 = 0, u9 = 511, sc = 0.*" "unsigned bitfield ranges"] { | |
162 | gdb_suppress_tests | |
163 | } | |
164 | gdb_stop_suppressing_tests; | |
165 | } | |
166 | ||
167 | # | |
168 | # Test signed bitfields for signedness and range. | |
169 | # Fill the signed fields with the maximum positive value, then the maximally | |
170 | # negative value, then -1, and verify in each case that the values are | |
171 | # printed correctly. | |
172 | # | |
173 | ||
174 | proc bitfield_signedness {} { | |
175 | global decimal | |
176 | global hex | |
177 | global gdb_prompt | |
178 | global srcfile | |
179 | ||
180 | delete_breakpoints | |
181 | ||
182 | if { ! [runto break4] } { | |
183 | gdb_suppress_tests | |
184 | } | |
185 | ||
186 | if [gdb_test "print flags" "= {uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 3, u3 = 0, s9 = 255, u9 = 0, sc = 0 .*}" "signed bitfields, max positive values"] { | |
187 | gdb_suppress_tests | |
188 | } | |
189 | ||
190 | if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #1"] { | |
191 | gdb_suppress_tests | |
192 | } | |
193 | ||
194 | # Determine if the target has signed bitfields so we can xfail the | |
195 | # the signed bitfield tests if it doesn't. | |
6acb16a2 | 196 | gdb_test_multiple "print i" "determining signed-ness of bitfields" { |
c906108c SS |
197 | -re ".* = -256.*$gdb_prompt $" { |
198 | pass "determining signed-ness of bitfields" | |
199 | } | |
200 | -re ".* = 256.*$gdb_prompt $" { | |
201 | pass "determining signed-ness of bitfields" | |
202 | setup_xfail "*-*-*" | |
203 | } | |
204 | -re ".*$gdb_prompt $" { | |
205 | fail "determining signed-ness of bitfields" | |
206 | gdb_suppress_tests | |
207 | } | |
208 | default { | |
209 | fail "determining signed-ness of bitfields" ; | |
210 | gdb_suppress_tests; | |
211 | } | |
212 | } | |
213 | ||
214 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -2, u2 = 0, s3 = -4, u3 = 0, s9 = -256, u9 = 0, sc = 0.*" "signed bitfields, max negative values"] { | |
215 | gdb_suppress_tests | |
216 | } | |
217 | ||
218 | if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #2"] { | |
219 | gdb_suppress_tests | |
220 | } | |
221 | ||
222 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -1, u2 = 0, s3 = -1, u3 = 0, s9 = -1, u9 = 0, sc = 0.*" "signed bitfields with -1"] { | |
223 | gdb_suppress_tests | |
224 | } | |
225 | # Hmmmm??? | |
226 | gdb_stop_suppressing_tests; | |
227 | } | |
228 | ||
4a76eae5 DJ |
229 | # Test bitfields at non-zero offsets in a struct. |
230 | ||
231 | proc bitfield_at_offset {} { | |
232 | global decimal | |
233 | global hex | |
234 | global gdb_prompt | |
235 | global srcfile | |
236 | ||
237 | gdb_breakpoint break5 | |
238 | if [gdb_test "cont" "Break.*break5 \\(\\) at .*$srcfile:$decimal.*" "continuing to break5"] { | |
239 | return | |
240 | } | |
241 | ||
242 | set one ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 5, s9 = 0, u9 = 0, sc = 0.*" | |
243 | set two ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 3, s9 = 0, u9 = 0, sc = 0.*" | |
244 | gdb_test "print container" "$one$two" "distinct bitfields in container" | |
245 | gdb_test "print container.one.u3" ".* = 5" | |
246 | gdb_test "print container.two.u3" ".* = 3" | |
247 | } | |
248 | ||
c906108c SS |
249 | gdb_start |
250 | gdb_reinitialize_dir $srcdir/$subdir | |
251 | gdb_load ${binfile} | |
252 | ||
6acb16a2 | 253 | gdb_test_no_output "set print sevenbit-strings" |
c906108c SS |
254 | |
255 | bitfield_uniqueness | |
c906108c | 256 | bitfield_containment |
c906108c | 257 | bitfield_unsignedness |
c906108c | 258 | bitfield_signedness |
4a76eae5 | 259 | bitfield_at_offset |