diff options
Diffstat (limited to 'gdb/testsuite/gdb.base/bitfields.exp')
| -rw-r--r-- | gdb/testsuite/gdb.base/bitfields.exp | 268 |
1 files changed, 268 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/bitfields.exp b/gdb/testsuite/gdb.base/bitfields.exp new file mode 100644 index 00000000000..764e80c6504 --- /dev/null +++ b/gdb/testsuite/gdb.base/bitfields.exp @@ -0,0 +1,268 @@ +# Copyright (C) 1992, 1994, 1997 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 2 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Please email any bugs, comments, and/or additions to this file to: +# bug-gdb@prep.ai.mit.edu + +# This file was written by Fred Fish. (fnf@cygnus.com) + +if $tracelevel then { + strace $tracelevel +} + +set prms_id 0 +set bug_id 0 + +set testfile "bitfields" +set srcfile ${testfile}.c +set binfile ${objdir}/${subdir}/${testfile} +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +# +# Test bitfield locating and uniqueness. +# For each member, set that member to 1 and verify that the member (and only +# that member) is 1, then reset it back to 0. +# + +proc bitfield_uniqueness {} { + global decimal + global hex + global gdb_prompt + global srcfile + + if { ! [runto break1] } { + gdb_suppress_tests; + } + + if [gdb_test "print flags" ".*uc = 1 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*"] { + gdb_suppress_tests; + } + if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #1"] { + gdb_suppress_tests; + } + # Note that we check for s1 as either 1 or -1, so that failure to + # treat it correctly as a signed 1bit field (values 0 or -1) while + # printing its value does not cause a spurious failure. We do the + # signedness preservation test later. + if [gdb_test "print flags" ".*uc = 0 .*, s1 = (1|-1), u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s1)"] { + gdb_suppress_tests; + } + if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #2"] { + gdb_suppress_tests; + } + if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u1)"] { + gdb_suppress_tests; + } + if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #3"] { + gdb_suppress_tests; + } + if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s2)"] { + gdb_suppress_tests; + } + if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #4"] { + gdb_suppress_tests; + } + if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 1, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u2)"] { + gdb_suppress_tests; + } + if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #5"] { + gdb_suppress_tests; + } + if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 1, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s3)"] { + gdb_suppress_tests; + } + if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #6"] { + gdb_suppress_tests; + } + if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 1, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u3)"] { + gdb_suppress_tests + } + if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #7"] { + gdb_suppress_tests + } + if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 1, u9 = 0, sc = 0.*" "bitfield uniqueness (s9)"] { + gdb_suppress_tests + } + if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #8"] { + gdb_suppress_tests + } + if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 1, sc = 0.*" "bitfield uniqueness (u9)"] { + gdb_suppress_tests + } + if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #9"] { + gdb_suppress_tests + } + if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 1.*" "bitfield uniqueness (sc)"] { + gdb_suppress_tests + } + # Hmmmm? + gdb_stop_suppressing_tests; +} + + +# +# Test bitfield containment. +# Fill alternating fields with all 1's and verify that none of the bits +# "bleed over" to the other fields. +# + +proc bitfield_containment {} { + global decimal + global hex + global gdb_prompt + global srcfile + + delete_breakpoints + + if { ![runto break2] } { + gdb_suppress_tests + } + + if [gdb_test "print/x flags" "= {uc = 0xff, s1 = 0x0, u1 = 0x1, s2 = 0x0, u2 = 0x3, s3 = 0x0, u3 = 0x7, s9 = 0x0, u9 = 0x1ff, sc = 0x0}" "bitfield containment #1"] { + gdb_suppress_tests + } + + if [gdb_test "cont" "Break.*break2 \\(\\) at .*$srcfile:$decimal.*" "continuing to break2"] { + gdb_suppress_tests + } + + # If program is compiled with Sun CC, then these print out as their + # actual sizes; if compiled with gcc, they print out as 0xffffffff + # (which strikes me as bogus, but accept it at least for now). + if [gdb_test "print/x flags" "= {uc = 0x0, s1 = 0x(1|f*), u1 = 0x0, s2 = 0x(3|f*), u2 = 0x0, s3 = 0x(7|f*), u3 = 0x0, s9 = 0x(1ff|f*), u9 = 0x0, sc = 0xff}" "bitfield containment #2"] { + gdb_suppress_tests + } + gdb_stop_suppressing_tests; +} + +# Test unsigned bitfields for unsignedness and range. +# Fill the unsigned fields with the maximum positive value and verify that +# the values are printed correctly. + +proc bitfield_unsignedness {} { + global decimal + global hex + global gdb_prompt + global srcfile + + delete_breakpoints + + if { ![runto break3] } { + gdb_suppress_tests + } + + if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 3, s3 = 0, u3 = 7, s9 = 0, u9 = 511, sc = 0.*" "unsigned bitfield ranges"] { + gdb_suppress_tests + } + gdb_stop_suppressing_tests; +} + +# +# Test signed bitfields for signedness and range. +# Fill the signed fields with the maximum positive value, then the maximally +# negative value, then -1, and verify in each case that the values are +# printed correctly. +# + +proc bitfield_signedness {} { + global decimal + global hex + global gdb_prompt + global srcfile + + delete_breakpoints + + if { ! [runto break4] } { + gdb_suppress_tests + } + + if [gdb_test "print flags" "= {uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 3, u3 = 0, s9 = 255, u9 = 0, sc = 0 .*}" "signed bitfields, max positive values"] { + gdb_suppress_tests + } + + if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #1"] { + gdb_suppress_tests + } + + # Determine if the target has signed bitfields so we can xfail the + # the signed bitfield tests if it doesn't. + send_gdb "print i\n" + gdb_expect { + -re ".* = -256.*$gdb_prompt $" { + pass "determining signed-ness of bitfields" + } + -re ".* = 256.*$gdb_prompt $" { + pass "determining signed-ness of bitfields" + setup_xfail "*-*-*" + } + -re ".*$gdb_prompt $" { + fail "determining signed-ness of bitfields" + gdb_suppress_tests + } + default { + fail "determining signed-ness of bitfields" ; + gdb_suppress_tests; + } + } + + if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -2, u2 = 0, s3 = -4, u3 = 0, s9 = -256, u9 = 0, sc = 0.*" "signed bitfields, max negative values"] { + gdb_suppress_tests + } + + if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #2"] { + gdb_suppress_tests + } + + 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"] { + gdb_suppress_tests + } + # Hmmmm??? + gdb_stop_suppressing_tests; +} + +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} + +send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $" + +bitfield_uniqueness +if [istarget "mips-idt-*"] then { + # Restart because IDT/SIM runs out of file descriptors. + gdb_exit + gdb_start + gdb_reinitialize_dir $srcdir/$subdir + gdb_load ${binfile} +} +bitfield_containment +if [istarget "mips-idt-*"] then { + # Restart because IDT/SIM runs out of file descriptors. + gdb_exit + gdb_start + gdb_reinitialize_dir $srcdir/$subdir + gdb_load ${binfile} +} +bitfield_unsignedness +if [istarget "mips-idt-*"] then { + # Restart because IDT/SIM runs out of file descriptors. + gdb_exit + gdb_start + gdb_reinitialize_dir $srcdir/$subdir + gdb_load ${binfile} +} +bitfield_signedness |