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e2882c85 | 1 | # Copyright 1992-2018 Free Software Foundation, Inc. |
c906108c SS |
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 |
c906108c | 6 | # (at your option) any later version. |
e22f8b7c | 7 | # |
c906108c SS |
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 | # |
c906108c | 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/>. |
c906108c | 15 | |
c906108c SS |
16 | # This file was written by Fred Fish. (fnf@cygnus.com) |
17 | ||
c906108c | 18 | |
a64d2530 TT |
19 | standard_testfile |
20 | ||
5b362f04 | 21 | if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} { |
b60f0898 | 22 | return -1 |
c906108c SS |
23 | } |
24 | ||
25 | # | |
26 | # Test bitfield locating and uniqueness. | |
27 | # For each member, set that member to 1 and verify that the member (and only | |
28 | # that member) is 1, then reset it back to 0. | |
29 | # | |
30 | ||
31 | proc bitfield_uniqueness {} { | |
32 | global decimal | |
33 | global hex | |
34 | global gdb_prompt | |
35 | global srcfile | |
36 | ||
37 | if { ! [runto break1] } { | |
4ec70201 | 38 | gdb_suppress_tests |
c906108c SS |
39 | } |
40 | ||
41 | if [gdb_test "print flags" ".*uc = 1 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*"] { | |
4ec70201 | 42 | gdb_suppress_tests |
c906108c SS |
43 | } |
44 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #1"] { | |
4ec70201 | 45 | gdb_suppress_tests |
c906108c SS |
46 | } |
47 | # Note that we check for s1 as either 1 or -1, so that failure to | |
48 | # treat it correctly as a signed 1bit field (values 0 or -1) while | |
49 | # printing its value does not cause a spurious failure. We do the | |
50 | # signedness preservation test later. | |
51 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = (1|-1), u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s1)"] { | |
4ec70201 | 52 | gdb_suppress_tests |
c906108c SS |
53 | } |
54 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #2"] { | |
4ec70201 | 55 | gdb_suppress_tests |
c906108c SS |
56 | } |
57 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u1)"] { | |
4ec70201 | 58 | gdb_suppress_tests |
c906108c SS |
59 | } |
60 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #3"] { | |
4ec70201 | 61 | gdb_suppress_tests |
c906108c SS |
62 | } |
63 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s2)"] { | |
4ec70201 | 64 | gdb_suppress_tests |
c906108c SS |
65 | } |
66 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #4"] { | |
4ec70201 | 67 | gdb_suppress_tests |
c906108c SS |
68 | } |
69 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 1, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u2)"] { | |
4ec70201 | 70 | gdb_suppress_tests |
c906108c SS |
71 | } |
72 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #5"] { | |
4ec70201 | 73 | gdb_suppress_tests |
c906108c SS |
74 | } |
75 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 1, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s3)"] { | |
4ec70201 | 76 | gdb_suppress_tests |
c906108c SS |
77 | } |
78 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #6"] { | |
4ec70201 | 79 | gdb_suppress_tests |
c906108c SS |
80 | } |
81 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 1, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u3)"] { | |
82 | gdb_suppress_tests | |
83 | } | |
84 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #7"] { | |
85 | gdb_suppress_tests | |
86 | } | |
87 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 1, u9 = 0, sc = 0.*" "bitfield uniqueness (s9)"] { | |
88 | gdb_suppress_tests | |
89 | } | |
90 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #8"] { | |
91 | gdb_suppress_tests | |
92 | } | |
93 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 1, sc = 0.*" "bitfield uniqueness (u9)"] { | |
94 | gdb_suppress_tests | |
95 | } | |
96 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #9"] { | |
97 | gdb_suppress_tests | |
98 | } | |
99 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 1.*" "bitfield uniqueness (sc)"] { | |
100 | gdb_suppress_tests | |
101 | } | |
102 | # Hmmmm? | |
4ec70201 | 103 | gdb_stop_suppressing_tests |
c906108c SS |
104 | } |
105 | ||
106 | ||
107 | # | |
108 | # Test bitfield containment. | |
109 | # Fill alternating fields with all 1's and verify that none of the bits | |
110 | # "bleed over" to the other fields. | |
111 | # | |
112 | ||
113 | proc bitfield_containment {} { | |
114 | global decimal | |
115 | global hex | |
116 | global gdb_prompt | |
117 | global srcfile | |
118 | ||
119 | delete_breakpoints | |
120 | ||
121 | if { ![runto break2] } { | |
122 | gdb_suppress_tests | |
123 | } | |
124 | ||
125 | if [gdb_test "print/x flags" "= {uc = 0xff, s1 = 0x0, u1 = 0x1, s2 = 0x0, u2 = 0x3, s3 = 0x0, u3 = 0x7, s9 = 0x0, u9 = 0x1ff, sc = 0x0}" "bitfield containment #1"] { | |
126 | gdb_suppress_tests | |
127 | } | |
128 | ||
129 | if [gdb_test "cont" "Break.*break2 \\(\\) at .*$srcfile:$decimal.*" "continuing to break2"] { | |
130 | gdb_suppress_tests | |
131 | } | |
132 | ||
133 | # If program is compiled with Sun CC, then these print out as their | |
134 | # actual sizes; if compiled with gcc, they print out as 0xffffffff | |
135 | # (which strikes me as bogus, but accept it at least for now). | |
136 | 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"] { | |
137 | gdb_suppress_tests | |
138 | } | |
4ec70201 | 139 | gdb_stop_suppressing_tests |
c906108c SS |
140 | } |
141 | ||
142 | # Test unsigned bitfields for unsignedness and range. | |
143 | # Fill the unsigned fields with the maximum positive value and verify that | |
144 | # the values are printed correctly. | |
145 | ||
146 | proc bitfield_unsignedness {} { | |
147 | global decimal | |
148 | global hex | |
149 | global gdb_prompt | |
150 | global srcfile | |
151 | ||
152 | delete_breakpoints | |
153 | ||
154 | if { ![runto break3] } { | |
155 | gdb_suppress_tests | |
156 | } | |
157 | ||
158 | 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"] { | |
159 | gdb_suppress_tests | |
160 | } | |
4ec70201 | 161 | gdb_stop_suppressing_tests |
c906108c SS |
162 | } |
163 | ||
164 | # | |
165 | # Test signed bitfields for signedness and range. | |
166 | # Fill the signed fields with the maximum positive value, then the maximally | |
167 | # negative value, then -1, and verify in each case that the values are | |
168 | # printed correctly. | |
169 | # | |
170 | ||
171 | proc bitfield_signedness {} { | |
172 | global decimal | |
173 | global hex | |
174 | global gdb_prompt | |
175 | global srcfile | |
176 | ||
177 | delete_breakpoints | |
178 | ||
179 | if { ! [runto break4] } { | |
180 | gdb_suppress_tests | |
181 | } | |
182 | ||
183 | 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"] { | |
184 | gdb_suppress_tests | |
185 | } | |
186 | ||
187 | if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #1"] { | |
188 | gdb_suppress_tests | |
189 | } | |
190 | ||
191 | # Determine if the target has signed bitfields so we can xfail the | |
192 | # the signed bitfield tests if it doesn't. | |
6acb16a2 | 193 | gdb_test_multiple "print i" "determining signed-ness of bitfields" { |
c906108c SS |
194 | -re ".* = -256.*$gdb_prompt $" { |
195 | pass "determining signed-ness of bitfields" | |
196 | } | |
197 | -re ".* = 256.*$gdb_prompt $" { | |
198 | pass "determining signed-ness of bitfields" | |
199 | setup_xfail "*-*-*" | |
200 | } | |
201 | -re ".*$gdb_prompt $" { | |
202 | fail "determining signed-ness of bitfields" | |
203 | gdb_suppress_tests | |
204 | } | |
205 | default { | |
4ec70201 PA |
206 | fail "determining signed-ness of bitfields" |
207 | gdb_suppress_tests | |
c906108c SS |
208 | } |
209 | } | |
210 | ||
211 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -2, u2 = 0, s3 = -4, u3 = 0, s9 = -256, u9 = 0, sc = 0.*" "signed bitfields, max negative values"] { | |
212 | gdb_suppress_tests | |
213 | } | |
214 | ||
215 | if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #2"] { | |
216 | gdb_suppress_tests | |
217 | } | |
218 | ||
219 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -1, u2 = 0, s3 = -1, u3 = 0, s9 = -1, u9 = 0, sc = 0.*" "signed bitfields with -1"] { | |
220 | gdb_suppress_tests | |
221 | } | |
222 | # Hmmmm??? | |
4ec70201 | 223 | gdb_stop_suppressing_tests |
c906108c SS |
224 | } |
225 | ||
4a76eae5 DJ |
226 | # Test bitfields at non-zero offsets in a struct. |
227 | ||
228 | proc bitfield_at_offset {} { | |
229 | global decimal | |
230 | global hex | |
231 | global gdb_prompt | |
232 | global srcfile | |
233 | ||
234 | gdb_breakpoint break5 | |
235 | if [gdb_test "cont" "Break.*break5 \\(\\) at .*$srcfile:$decimal.*" "continuing to break5"] { | |
236 | return | |
237 | } | |
238 | ||
239 | set one ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 5, s9 = 0, u9 = 0, sc = 0.*" | |
240 | set two ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 3, s9 = 0, u9 = 0, sc = 0.*" | |
241 | gdb_test "print container" "$one$two" "distinct bitfields in container" | |
242 | gdb_test "print container.one.u3" ".* = 5" | |
243 | gdb_test "print container.two.u3" ".* = 3" | |
244 | } | |
245 | ||
d9e98382 SDJ |
246 | proc bitfield_internalvar {} { |
247 | global gdb_prompt | |
248 | ||
249 | # First, we create an internal var holding an instance of | |
250 | # the struct (zeroed out). | |
251 | gdb_test "set \$myvar = (struct internalvartest) \{0\}" "" \ | |
252 | "set internal var" | |
253 | ||
254 | # Now, we set the proper bits. | |
255 | gdb_test_no_output "set \$myvar.a = 0" | |
256 | gdb_test_no_output "set \$myvar.inner.b = 1" | |
257 | gdb_test_no_output "set \$myvar.inner.deep.c = 0" | |
258 | gdb_test_no_output "set \$myvar.inner.deep.d = -1" | |
259 | gdb_test_no_output "set \$myvar.inner.e = 1" | |
260 | gdb_test_no_output "set \$myvar.f = 1" | |
261 | ||
262 | # Here comes the true testing. | |
263 | gdb_test "print \$myvar.a" "\\$\[0-9\]\+ = 0" | |
264 | gdb_test "print \$myvar.inner.b" "\\$\[0-9\]\+ = 1" | |
265 | gdb_test "print \$myvar.inner.deep.c" "\\$\[0-9\]\+ = 0" | |
266 | gdb_test "print \$myvar.inner.deep.d" "\\$\[0-9\]\+ = -1" | |
267 | gdb_test "print \$myvar.inner.e" "\\$\[0-9\]\+ = -1" | |
268 | gdb_test "print \$myvar.f" "\\$\[0-9\]\+ = -1" | |
269 | } | |
270 | ||
6acb16a2 | 271 | gdb_test_no_output "set print sevenbit-strings" |
c906108c SS |
272 | |
273 | bitfield_uniqueness | |
c906108c | 274 | bitfield_containment |
c906108c | 275 | bitfield_unsignedness |
c906108c | 276 | bitfield_signedness |
4a76eae5 | 277 | bitfield_at_offset |
d9e98382 | 278 | bitfield_internalvar |