| # Copyright 1992-2021 Free Software Foundation, Inc. |
| |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # This file was written by Fred Fish. (fnf@cygnus.com) |
| |
| |
| standard_testfile |
| |
| if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} { |
| return -1 |
| } |
| |
| # |
| # Test bitfield locating and uniqueness. |
| # For each member, set that member to 1 and verify that the member (and only |
| # that member) is 1, then reset it back to 0. |
| # |
| |
| proc bitfield_uniqueness {} { |
| global decimal |
| global hex |
| global gdb_prompt |
| global srcfile |
| |
| if { ! [runto break1] } { |
| return |
| } |
| |
| gdb_test "print flags" ".*uc = 1 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" |
| gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #1" |
| |
| # Note that we check for s1 as either 1 or -1, so that failure to |
| # treat it correctly as a signed 1bit field (values 0 or -1) while |
| # printing its value does not cause a spurious failure. We do the |
| # signedness preservation test later. |
| gdb_test "print flags" ".*uc = 0 .*, s1 = (1|-1), u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s1)" |
| gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #2" |
| gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u1)" |
| gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #3" |
| gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s2)" |
| gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #4" |
| gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 1, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u2)" |
| gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #5" |
| gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 1, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s3)" |
| gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #6" |
| gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 1, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u3)" |
| gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #7" |
| gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 1, u9 = 0, sc = 0.*" "bitfield uniqueness (s9)" |
| gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #8" |
| gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 1, sc = 0.*" "bitfield uniqueness (u9)" |
| gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #9" |
| gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 1.*" "bitfield uniqueness (sc)" |
| } |
| |
| |
| # |
| # Test bitfield containment. |
| # Fill alternating fields with all 1's and verify that none of the bits |
| # "bleed over" to the other fields. |
| # |
| |
| proc bitfield_containment {} { |
| global decimal |
| global hex |
| global gdb_prompt |
| global srcfile |
| |
| delete_breakpoints |
| |
| if { ![runto break2] } { |
| return |
| } |
| |
| gdb_test "print/x flags" "= {uc = 0xff, s1 = 0x0, u1 = 0x1, s2 = 0x0, u2 = 0x3, s3 = 0x0, u3 = 0x7, s9 = 0x0, u9 = 0x1ff, sc = 0x0}" "bitfield containment #1" |
| gdb_test "cont" "Break.*break2 \\(\\) at .*$srcfile:$decimal.*" "continuing to break2" |
| |
| # If program is compiled with Sun CC, then these print out as their |
| # actual sizes; if compiled with gcc, they print out as 0xffffffff |
| # (which strikes me as bogus, but accept it at least for now). |
| gdb_test "print/x flags" "= {uc = 0x0, s1 = 0x(1|f*), u1 = 0x0, s2 = 0x(3|f*), u2 = 0x0, s3 = 0x(7|f*), u3 = 0x0, s9 = 0x(1ff|f*), u9 = 0x0, sc = 0xff}" "bitfield containment #2" |
| } |
| |
| # Test unsigned bitfields for unsignedness and range. |
| # Fill the unsigned fields with the maximum positive value and verify that |
| # the values are printed correctly. |
| |
| proc bitfield_unsignedness {} { |
| global decimal |
| global hex |
| global gdb_prompt |
| global srcfile |
| |
| delete_breakpoints |
| |
| if { ![runto break3] } { |
| return |
| } |
| |
| gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 3, s3 = 0, u3 = 7, s9 = 0, u9 = 511, sc = 0.*" "unsigned bitfield ranges" |
| } |
| |
| # |
| # Test signed bitfields for signedness and range. |
| # Fill the signed fields with the maximum positive value, then the maximally |
| # negative value, then -1, and verify in each case that the values are |
| # printed correctly. |
| # |
| |
| proc bitfield_signedness {} { |
| global decimal |
| global hex |
| global gdb_prompt |
| global srcfile |
| |
| delete_breakpoints |
| |
| if { ! [runto break4] } { |
| return |
| } |
| |
| gdb_test "print flags" "= {uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 3, u3 = 0, s9 = 255, u9 = 0, sc = 0 .*}" "signed bitfields, max positive values" |
| gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #1" |
| |
| # Determine if the target has signed bitfields so we can xfail the |
| # the signed bitfield tests if it doesn't. |
| gdb_test_multiple "print i" "determining signed-ness of bitfields" { |
| -re ".* = -256.*$gdb_prompt $" { |
| pass "determining signed-ness of bitfields" |
| } |
| -re ".* = 256.*$gdb_prompt $" { |
| pass "determining signed-ness of bitfields" |
| setup_xfail "*-*-*" |
| } |
| -re ".*$gdb_prompt $" { |
| fail "determining signed-ness of bitfields" |
| } |
| default { |
| fail "determining signed-ness of bitfields" |
| } |
| } |
| |
| gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -2, u2 = 0, s3 = -4, u3 = 0, s9 = -256, u9 = 0, sc = 0.*" "signed bitfields, max negative values" |
| gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #2" |
| gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -1, u2 = 0, s3 = -1, u3 = 0, s9 = -1, u9 = 0, sc = 0.*" "signed bitfields with -1" |
| } |
| |
| # Test bitfields at non-zero offsets in a struct. |
| |
| proc bitfield_at_offset {} { |
| global decimal |
| global hex |
| global gdb_prompt |
| global srcfile |
| |
| gdb_breakpoint break5 |
| if [gdb_test "cont" "Break.*break5 \\(\\) at .*$srcfile:$decimal.*" "continuing to break5"] { |
| return |
| } |
| |
| set one ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 5, s9 = 0, u9 = 0, sc = 0.*" |
| set two ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 3, s9 = 0, u9 = 0, sc = 0.*" |
| gdb_test "print container" "$one$two" "distinct bitfields in container" |
| gdb_test "print container.one.u3" ".* = 5" |
| gdb_test "print container.two.u3" ".* = 3" |
| } |
| |
| proc bitfield_internalvar {} { |
| global gdb_prompt |
| |
| # First, we create an internal var holding an instance of |
| # the struct (zeroed out). |
| gdb_test "set \$myvar = (struct internalvartest) \{0\}" "" \ |
| "set internal var" |
| |
| # Now, we set the proper bits. |
| gdb_test_no_output "set \$myvar.a = 0" |
| gdb_test_no_output "set \$myvar.inner.b = 1" |
| gdb_test_no_output "set \$myvar.inner.deep.c = 0" |
| gdb_test_no_output "set \$myvar.inner.deep.d = -1" |
| gdb_test_no_output "set \$myvar.inner.e = 1" |
| gdb_test_no_output "set \$myvar.f = 1" |
| |
| # Here comes the true testing. |
| gdb_test "print \$myvar.a" "\\$\[0-9\]\+ = 0" |
| gdb_test "print \$myvar.inner.b" "\\$\[0-9\]\+ = 1" |
| gdb_test "print \$myvar.inner.deep.c" "\\$\[0-9\]\+ = 0" |
| gdb_test "print \$myvar.inner.deep.d" "\\$\[0-9\]\+ = -1" |
| gdb_test "print \$myvar.inner.e" "\\$\[0-9\]\+ = -1" |
| gdb_test "print \$myvar.f" "\\$\[0-9\]\+ = -1" |
| } |
| |
| gdb_test_no_output "set print sevenbit-strings" |
| |
| bitfield_uniqueness |
| bitfield_containment |
| bitfield_unsignedness |
| bitfield_signedness |
| bitfield_at_offset |
| bitfield_internalvar |
