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