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6aba47ca | 1 | # Copyright 1992, 1994, 1995, 1997, 2007 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 | |
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 | # Please email any bugs, comments, and/or additions to this file to: | |
18 | # bug-gdb@prep.ai.mit.edu | |
19 | ||
20 | # This file was written by Fred Fish. (fnf@cygnus.com) | |
21 | ||
22 | if $tracelevel then { | |
23 | strace $tracelevel | |
24 | } | |
25 | ||
26 | set prms_id 0 | |
27 | set bug_id 0 | |
28 | ||
29 | set testfile "bitfields" | |
30 | set srcfile ${testfile}.c | |
31 | set binfile ${objdir}/${subdir}/${testfile} | |
32 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { | |
b60f0898 JB |
33 | untested bitfields.exp |
34 | return -1 | |
c906108c SS |
35 | } |
36 | ||
37 | # | |
38 | # Test bitfield locating and uniqueness. | |
39 | # For each member, set that member to 1 and verify that the member (and only | |
40 | # that member) is 1, then reset it back to 0. | |
41 | # | |
42 | ||
43 | proc bitfield_uniqueness {} { | |
44 | global decimal | |
45 | global hex | |
46 | global gdb_prompt | |
47 | global srcfile | |
48 | ||
49 | if { ! [runto break1] } { | |
50 | gdb_suppress_tests; | |
51 | } | |
52 | ||
53 | if [gdb_test "print flags" ".*uc = 1 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*"] { | |
54 | gdb_suppress_tests; | |
55 | } | |
56 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #1"] { | |
57 | gdb_suppress_tests; | |
58 | } | |
59 | # Note that we check for s1 as either 1 or -1, so that failure to | |
60 | # treat it correctly as a signed 1bit field (values 0 or -1) while | |
61 | # printing its value does not cause a spurious failure. We do the | |
62 | # signedness preservation test later. | |
63 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = (1|-1), u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s1)"] { | |
64 | gdb_suppress_tests; | |
65 | } | |
66 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #2"] { | |
67 | gdb_suppress_tests; | |
68 | } | |
69 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u1)"] { | |
70 | gdb_suppress_tests; | |
71 | } | |
72 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #3"] { | |
73 | gdb_suppress_tests; | |
74 | } | |
75 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s2)"] { | |
76 | gdb_suppress_tests; | |
77 | } | |
78 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #4"] { | |
79 | gdb_suppress_tests; | |
80 | } | |
81 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 1, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u2)"] { | |
82 | gdb_suppress_tests; | |
83 | } | |
84 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #5"] { | |
85 | gdb_suppress_tests; | |
86 | } | |
87 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 1, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s3)"] { | |
88 | gdb_suppress_tests; | |
89 | } | |
90 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #6"] { | |
91 | gdb_suppress_tests; | |
92 | } | |
93 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 1, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u3)"] { | |
94 | gdb_suppress_tests | |
95 | } | |
96 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #7"] { | |
97 | gdb_suppress_tests | |
98 | } | |
99 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 1, u9 = 0, sc = 0.*" "bitfield uniqueness (s9)"] { | |
100 | gdb_suppress_tests | |
101 | } | |
102 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #8"] { | |
103 | gdb_suppress_tests | |
104 | } | |
105 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 1, sc = 0.*" "bitfield uniqueness (u9)"] { | |
106 | gdb_suppress_tests | |
107 | } | |
108 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #9"] { | |
109 | gdb_suppress_tests | |
110 | } | |
111 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 1.*" "bitfield uniqueness (sc)"] { | |
112 | gdb_suppress_tests | |
113 | } | |
114 | # Hmmmm? | |
115 | gdb_stop_suppressing_tests; | |
116 | } | |
117 | ||
118 | ||
119 | # | |
120 | # Test bitfield containment. | |
121 | # Fill alternating fields with all 1's and verify that none of the bits | |
122 | # "bleed over" to the other fields. | |
123 | # | |
124 | ||
125 | proc bitfield_containment {} { | |
126 | global decimal | |
127 | global hex | |
128 | global gdb_prompt | |
129 | global srcfile | |
130 | ||
131 | delete_breakpoints | |
132 | ||
133 | if { ![runto break2] } { | |
134 | gdb_suppress_tests | |
135 | } | |
136 | ||
137 | if [gdb_test "print/x flags" "= {uc = 0xff, s1 = 0x0, u1 = 0x1, s2 = 0x0, u2 = 0x3, s3 = 0x0, u3 = 0x7, s9 = 0x0, u9 = 0x1ff, sc = 0x0}" "bitfield containment #1"] { | |
138 | gdb_suppress_tests | |
139 | } | |
140 | ||
141 | if [gdb_test "cont" "Break.*break2 \\(\\) at .*$srcfile:$decimal.*" "continuing to break2"] { | |
142 | gdb_suppress_tests | |
143 | } | |
144 | ||
145 | # If program is compiled with Sun CC, then these print out as their | |
146 | # actual sizes; if compiled with gcc, they print out as 0xffffffff | |
147 | # (which strikes me as bogus, but accept it at least for now). | |
148 | 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"] { | |
149 | gdb_suppress_tests | |
150 | } | |
151 | gdb_stop_suppressing_tests; | |
152 | } | |
153 | ||
154 | # Test unsigned bitfields for unsignedness and range. | |
155 | # Fill the unsigned fields with the maximum positive value and verify that | |
156 | # the values are printed correctly. | |
157 | ||
158 | proc bitfield_unsignedness {} { | |
159 | global decimal | |
160 | global hex | |
161 | global gdb_prompt | |
162 | global srcfile | |
163 | ||
164 | delete_breakpoints | |
165 | ||
166 | if { ![runto break3] } { | |
167 | gdb_suppress_tests | |
168 | } | |
169 | ||
170 | 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"] { | |
171 | gdb_suppress_tests | |
172 | } | |
173 | gdb_stop_suppressing_tests; | |
174 | } | |
175 | ||
176 | # | |
177 | # Test signed bitfields for signedness and range. | |
178 | # Fill the signed fields with the maximum positive value, then the maximally | |
179 | # negative value, then -1, and verify in each case that the values are | |
180 | # printed correctly. | |
181 | # | |
182 | ||
183 | proc bitfield_signedness {} { | |
184 | global decimal | |
185 | global hex | |
186 | global gdb_prompt | |
187 | global srcfile | |
188 | ||
189 | delete_breakpoints | |
190 | ||
191 | if { ! [runto break4] } { | |
192 | gdb_suppress_tests | |
193 | } | |
194 | ||
195 | 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"] { | |
196 | gdb_suppress_tests | |
197 | } | |
198 | ||
199 | if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #1"] { | |
200 | gdb_suppress_tests | |
201 | } | |
202 | ||
203 | # Determine if the target has signed bitfields so we can xfail the | |
204 | # the signed bitfield tests if it doesn't. | |
205 | send_gdb "print i\n" | |
206 | gdb_expect { | |
207 | -re ".* = -256.*$gdb_prompt $" { | |
208 | pass "determining signed-ness of bitfields" | |
209 | } | |
210 | -re ".* = 256.*$gdb_prompt $" { | |
211 | pass "determining signed-ness of bitfields" | |
212 | setup_xfail "*-*-*" | |
213 | } | |
214 | -re ".*$gdb_prompt $" { | |
215 | fail "determining signed-ness of bitfields" | |
216 | gdb_suppress_tests | |
217 | } | |
218 | default { | |
219 | fail "determining signed-ness of bitfields" ; | |
220 | gdb_suppress_tests; | |
221 | } | |
222 | } | |
223 | ||
224 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -2, u2 = 0, s3 = -4, u3 = 0, s9 = -256, u9 = 0, sc = 0.*" "signed bitfields, max negative values"] { | |
225 | gdb_suppress_tests | |
226 | } | |
227 | ||
228 | if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #2"] { | |
229 | gdb_suppress_tests | |
230 | } | |
231 | ||
232 | 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"] { | |
233 | gdb_suppress_tests | |
234 | } | |
235 | # Hmmmm??? | |
236 | gdb_stop_suppressing_tests; | |
237 | } | |
238 | ||
239 | gdb_start | |
240 | gdb_reinitialize_dir $srcdir/$subdir | |
241 | gdb_load ${binfile} | |
242 | ||
243 | send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $" | |
244 | ||
245 | bitfield_uniqueness | |
246 | if [istarget "mips-idt-*"] then { | |
247 | # Restart because IDT/SIM runs out of file descriptors. | |
248 | gdb_exit | |
249 | gdb_start | |
250 | gdb_reinitialize_dir $srcdir/$subdir | |
251 | gdb_load ${binfile} | |
252 | } | |
253 | bitfield_containment | |
254 | if [istarget "mips-idt-*"] then { | |
255 | # Restart because IDT/SIM runs out of file descriptors. | |
256 | gdb_exit | |
257 | gdb_start | |
258 | gdb_reinitialize_dir $srcdir/$subdir | |
259 | gdb_load ${binfile} | |
260 | } | |
261 | bitfield_unsignedness | |
262 | if [istarget "mips-idt-*"] then { | |
263 | # Restart because IDT/SIM runs out of file descriptors. | |
264 | gdb_exit | |
265 | gdb_start | |
266 | gdb_reinitialize_dir $srcdir/$subdir | |
267 | gdb_load ${binfile} | |
268 | } | |
269 | bitfield_signedness |