| 1 | # Copyright 1992-2015 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 3 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, see <http://www.gnu.org/licenses/>. |
| 15 | |
| 16 | # This file was written by Fred Fish. (fnf@cygnus.com) |
| 17 | |
| 18 | |
| 19 | standard_testfile |
| 20 | |
| 21 | if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} { |
| 22 | untested $testfile.exp |
| 23 | return -1 |
| 24 | } |
| 25 | |
| 26 | # |
| 27 | # Test bitfield locating and uniqueness. |
| 28 | # For each member, set that member to 1 and verify that the member (and only |
| 29 | # that member) is 1, then reset it back to 0. |
| 30 | # |
| 31 | |
| 32 | proc bitfield_uniqueness {} { |
| 33 | global decimal |
| 34 | global hex |
| 35 | global gdb_prompt |
| 36 | global srcfile |
| 37 | |
| 38 | if { ! [runto break1] } { |
| 39 | gdb_suppress_tests |
| 40 | } |
| 41 | |
| 42 | if [gdb_test "print flags" ".*uc = 1 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*"] { |
| 43 | gdb_suppress_tests |
| 44 | } |
| 45 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #1"] { |
| 46 | gdb_suppress_tests |
| 47 | } |
| 48 | # Note that we check for s1 as either 1 or -1, so that failure to |
| 49 | # treat it correctly as a signed 1bit field (values 0 or -1) while |
| 50 | # printing its value does not cause a spurious failure. We do the |
| 51 | # signedness preservation test later. |
| 52 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = (1|-1), u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s1)"] { |
| 53 | gdb_suppress_tests |
| 54 | } |
| 55 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #2"] { |
| 56 | gdb_suppress_tests |
| 57 | } |
| 58 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u1)"] { |
| 59 | gdb_suppress_tests |
| 60 | } |
| 61 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #3"] { |
| 62 | gdb_suppress_tests |
| 63 | } |
| 64 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s2)"] { |
| 65 | gdb_suppress_tests |
| 66 | } |
| 67 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #4"] { |
| 68 | gdb_suppress_tests |
| 69 | } |
| 70 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 1, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u2)"] { |
| 71 | gdb_suppress_tests |
| 72 | } |
| 73 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #5"] { |
| 74 | gdb_suppress_tests |
| 75 | } |
| 76 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 1, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s3)"] { |
| 77 | gdb_suppress_tests |
| 78 | } |
| 79 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #6"] { |
| 80 | gdb_suppress_tests |
| 81 | } |
| 82 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 1, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u3)"] { |
| 83 | gdb_suppress_tests |
| 84 | } |
| 85 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #7"] { |
| 86 | gdb_suppress_tests |
| 87 | } |
| 88 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 1, u9 = 0, sc = 0.*" "bitfield uniqueness (s9)"] { |
| 89 | gdb_suppress_tests |
| 90 | } |
| 91 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #8"] { |
| 92 | gdb_suppress_tests |
| 93 | } |
| 94 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 1, sc = 0.*" "bitfield uniqueness (u9)"] { |
| 95 | gdb_suppress_tests |
| 96 | } |
| 97 | if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #9"] { |
| 98 | gdb_suppress_tests |
| 99 | } |
| 100 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 1.*" "bitfield uniqueness (sc)"] { |
| 101 | gdb_suppress_tests |
| 102 | } |
| 103 | # Hmmmm? |
| 104 | gdb_stop_suppressing_tests |
| 105 | } |
| 106 | |
| 107 | |
| 108 | # |
| 109 | # Test bitfield containment. |
| 110 | # Fill alternating fields with all 1's and verify that none of the bits |
| 111 | # "bleed over" to the other fields. |
| 112 | # |
| 113 | |
| 114 | proc bitfield_containment {} { |
| 115 | global decimal |
| 116 | global hex |
| 117 | global gdb_prompt |
| 118 | global srcfile |
| 119 | |
| 120 | delete_breakpoints |
| 121 | |
| 122 | if { ![runto break2] } { |
| 123 | gdb_suppress_tests |
| 124 | } |
| 125 | |
| 126 | if [gdb_test "print/x flags" "= {uc = 0xff, s1 = 0x0, u1 = 0x1, s2 = 0x0, u2 = 0x3, s3 = 0x0, u3 = 0x7, s9 = 0x0, u9 = 0x1ff, sc = 0x0}" "bitfield containment #1"] { |
| 127 | gdb_suppress_tests |
| 128 | } |
| 129 | |
| 130 | if [gdb_test "cont" "Break.*break2 \\(\\) at .*$srcfile:$decimal.*" "continuing to break2"] { |
| 131 | gdb_suppress_tests |
| 132 | } |
| 133 | |
| 134 | # If program is compiled with Sun CC, then these print out as their |
| 135 | # actual sizes; if compiled with gcc, they print out as 0xffffffff |
| 136 | # (which strikes me as bogus, but accept it at least for now). |
| 137 | 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"] { |
| 138 | gdb_suppress_tests |
| 139 | } |
| 140 | gdb_stop_suppressing_tests |
| 141 | } |
| 142 | |
| 143 | # Test unsigned bitfields for unsignedness and range. |
| 144 | # Fill the unsigned fields with the maximum positive value and verify that |
| 145 | # the values are printed correctly. |
| 146 | |
| 147 | proc bitfield_unsignedness {} { |
| 148 | global decimal |
| 149 | global hex |
| 150 | global gdb_prompt |
| 151 | global srcfile |
| 152 | |
| 153 | delete_breakpoints |
| 154 | |
| 155 | if { ![runto break3] } { |
| 156 | gdb_suppress_tests |
| 157 | } |
| 158 | |
| 159 | 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"] { |
| 160 | gdb_suppress_tests |
| 161 | } |
| 162 | gdb_stop_suppressing_tests |
| 163 | } |
| 164 | |
| 165 | # |
| 166 | # Test signed bitfields for signedness and range. |
| 167 | # Fill the signed fields with the maximum positive value, then the maximally |
| 168 | # negative value, then -1, and verify in each case that the values are |
| 169 | # printed correctly. |
| 170 | # |
| 171 | |
| 172 | proc bitfield_signedness {} { |
| 173 | global decimal |
| 174 | global hex |
| 175 | global gdb_prompt |
| 176 | global srcfile |
| 177 | |
| 178 | delete_breakpoints |
| 179 | |
| 180 | if { ! [runto break4] } { |
| 181 | gdb_suppress_tests |
| 182 | } |
| 183 | |
| 184 | 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"] { |
| 185 | gdb_suppress_tests |
| 186 | } |
| 187 | |
| 188 | if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #1"] { |
| 189 | gdb_suppress_tests |
| 190 | } |
| 191 | |
| 192 | # Determine if the target has signed bitfields so we can xfail the |
| 193 | # the signed bitfield tests if it doesn't. |
| 194 | gdb_test_multiple "print i" "determining signed-ness of bitfields" { |
| 195 | -re ".* = -256.*$gdb_prompt $" { |
| 196 | pass "determining signed-ness of bitfields" |
| 197 | } |
| 198 | -re ".* = 256.*$gdb_prompt $" { |
| 199 | pass "determining signed-ness of bitfields" |
| 200 | setup_xfail "*-*-*" |
| 201 | } |
| 202 | -re ".*$gdb_prompt $" { |
| 203 | fail "determining signed-ness of bitfields" |
| 204 | gdb_suppress_tests |
| 205 | } |
| 206 | default { |
| 207 | fail "determining signed-ness of bitfields" |
| 208 | gdb_suppress_tests |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -2, u2 = 0, s3 = -4, u3 = 0, s9 = -256, u9 = 0, sc = 0.*" "signed bitfields, max negative values"] { |
| 213 | gdb_suppress_tests |
| 214 | } |
| 215 | |
| 216 | if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #2"] { |
| 217 | gdb_suppress_tests |
| 218 | } |
| 219 | |
| 220 | if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -1, u2 = 0, s3 = -1, u3 = 0, s9 = -1, u9 = 0, sc = 0.*" "signed bitfields with -1"] { |
| 221 | gdb_suppress_tests |
| 222 | } |
| 223 | # Hmmmm??? |
| 224 | gdb_stop_suppressing_tests |
| 225 | } |
| 226 | |
| 227 | # Test bitfields at non-zero offsets in a struct. |
| 228 | |
| 229 | proc bitfield_at_offset {} { |
| 230 | global decimal |
| 231 | global hex |
| 232 | global gdb_prompt |
| 233 | global srcfile |
| 234 | |
| 235 | gdb_breakpoint break5 |
| 236 | if [gdb_test "cont" "Break.*break5 \\(\\) at .*$srcfile:$decimal.*" "continuing to break5"] { |
| 237 | return |
| 238 | } |
| 239 | |
| 240 | set one ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 5, s9 = 0, u9 = 0, sc = 0.*" |
| 241 | set two ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 3, s9 = 0, u9 = 0, sc = 0.*" |
| 242 | gdb_test "print container" "$one$two" "distinct bitfields in container" |
| 243 | gdb_test "print container.one.u3" ".* = 5" |
| 244 | gdb_test "print container.two.u3" ".* = 3" |
| 245 | } |
| 246 | |
| 247 | proc bitfield_internalvar {} { |
| 248 | global gdb_prompt |
| 249 | |
| 250 | # First, we create an internal var holding an instance of |
| 251 | # the struct (zeroed out). |
| 252 | gdb_test "set \$myvar = (struct internalvartest) \{0\}" "" \ |
| 253 | "set internal var" |
| 254 | |
| 255 | # Now, we set the proper bits. |
| 256 | gdb_test_no_output "set \$myvar.a = 0" |
| 257 | gdb_test_no_output "set \$myvar.inner.b = 1" |
| 258 | gdb_test_no_output "set \$myvar.inner.deep.c = 0" |
| 259 | gdb_test_no_output "set \$myvar.inner.deep.d = -1" |
| 260 | gdb_test_no_output "set \$myvar.inner.e = 1" |
| 261 | gdb_test_no_output "set \$myvar.f = 1" |
| 262 | |
| 263 | # Here comes the true testing. |
| 264 | gdb_test "print \$myvar.a" "\\$\[0-9\]\+ = 0" |
| 265 | gdb_test "print \$myvar.inner.b" "\\$\[0-9\]\+ = 1" |
| 266 | gdb_test "print \$myvar.inner.deep.c" "\\$\[0-9\]\+ = 0" |
| 267 | gdb_test "print \$myvar.inner.deep.d" "\\$\[0-9\]\+ = -1" |
| 268 | gdb_test "print \$myvar.inner.e" "\\$\[0-9\]\+ = -1" |
| 269 | gdb_test "print \$myvar.f" "\\$\[0-9\]\+ = -1" |
| 270 | } |
| 271 | |
| 272 | gdb_test_no_output "set print sevenbit-strings" |
| 273 | |
| 274 | bitfield_uniqueness |
| 275 | bitfield_containment |
| 276 | bitfield_unsignedness |
| 277 | bitfield_signedness |
| 278 | bitfield_at_offset |
| 279 | bitfield_internalvar |