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jlechner |
# Copyright 1992, 1994, 1995, 1997, 2007, 2008 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see .
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# This file was written by Fred Fish. (fnf@cygnus.com)
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if $tracelevel then {
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strace $tracelevel
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}
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set prms_id 0
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set bug_id 0
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set testfile "bitfields"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested bitfields.exp
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return -1
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}
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#
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# Test bitfield locating and uniqueness.
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# For each member, set that member to 1 and verify that the member (and only
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# that member) is 1, then reset it back to 0.
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#
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proc bitfield_uniqueness {} {
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global decimal
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global hex
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global gdb_prompt
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global srcfile
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if { ! [runto break1] } {
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gdb_suppress_tests;
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}
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if [gdb_test "print flags" ".*uc = 1 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*"] {
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gdb_suppress_tests;
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}
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if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #1"] {
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gdb_suppress_tests;
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}
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# Note that we check for s1 as either 1 or -1, so that failure to
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# treat it correctly as a signed 1bit field (values 0 or -1) while
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# printing its value does not cause a spurious failure. We do the
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# signedness preservation test later.
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if [gdb_test "print flags" ".*uc = 0 .*, s1 = (1|-1), u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s1)"] {
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gdb_suppress_tests;
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}
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if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #2"] {
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gdb_suppress_tests;
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}
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if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u1)"] {
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gdb_suppress_tests;
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}
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if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #3"] {
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gdb_suppress_tests;
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}
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if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s2)"] {
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gdb_suppress_tests;
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}
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if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #4"] {
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gdb_suppress_tests;
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}
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if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 1, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u2)"] {
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gdb_suppress_tests;
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}
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if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #5"] {
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gdb_suppress_tests;
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}
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if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 1, u3 = 0, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (s3)"] {
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gdb_suppress_tests;
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}
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if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #6"] {
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gdb_suppress_tests;
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}
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if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 1, s9 = 0, u9 = 0, sc = 0.*" "bitfield uniqueness (u3)"] {
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gdb_suppress_tests
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}
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if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #7"] {
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gdb_suppress_tests
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}
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if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 1, u9 = 0, sc = 0.*" "bitfield uniqueness (s9)"] {
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gdb_suppress_tests
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}
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if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #8"] {
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gdb_suppress_tests
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}
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if [gdb_test "print flags" ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 1, sc = 0.*" "bitfield uniqueness (u9)"] {
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gdb_suppress_tests
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}
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if [gdb_test "cont" "Break.*break1 \\(\\) at .*$srcfile:$decimal.*" "continuing to break1 #9"] {
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gdb_suppress_tests
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}
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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)"] {
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gdb_suppress_tests
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}
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# Hmmmm?
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gdb_stop_suppressing_tests;
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}
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#
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# Test bitfield containment.
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# Fill alternating fields with all 1's and verify that none of the bits
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# "bleed over" to the other fields.
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#
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proc bitfield_containment {} {
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global decimal
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global hex
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global gdb_prompt
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global srcfile
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delete_breakpoints
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if { ![runto break2] } {
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gdb_suppress_tests
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}
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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"] {
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gdb_suppress_tests
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}
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if [gdb_test "cont" "Break.*break2 \\(\\) at .*$srcfile:$decimal.*" "continuing to break2"] {
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gdb_suppress_tests
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}
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# If program is compiled with Sun CC, then these print out as their
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# actual sizes; if compiled with gcc, they print out as 0xffffffff
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# (which strikes me as bogus, but accept it at least for now).
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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"] {
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gdb_suppress_tests
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}
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gdb_stop_suppressing_tests;
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}
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# Test unsigned bitfields for unsignedness and range.
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# Fill the unsigned fields with the maximum positive value and verify that
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# the values are printed correctly.
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proc bitfield_unsignedness {} {
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global decimal
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global hex
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global gdb_prompt
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global srcfile
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delete_breakpoints
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if { ![runto break3] } {
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gdb_suppress_tests
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}
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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"] {
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gdb_suppress_tests
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}
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gdb_stop_suppressing_tests;
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}
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#
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# Test signed bitfields for signedness and range.
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# Fill the signed fields with the maximum positive value, then the maximally
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# negative value, then -1, and verify in each case that the values are
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# printed correctly.
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#
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proc bitfield_signedness {} {
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global decimal
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global hex
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global gdb_prompt
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global srcfile
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delete_breakpoints
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if { ! [runto break4] } {
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gdb_suppress_tests
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}
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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"] {
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gdb_suppress_tests
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}
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if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #1"] {
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gdb_suppress_tests
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}
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# Determine if the target has signed bitfields so we can xfail the
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# the signed bitfield tests if it doesn't.
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send_gdb "print i\n"
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gdb_expect {
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-re ".* = -256.*$gdb_prompt $" {
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pass "determining signed-ness of bitfields"
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}
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-re ".* = 256.*$gdb_prompt $" {
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pass "determining signed-ness of bitfields"
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setup_xfail "*-*-*"
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}
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-re ".*$gdb_prompt $" {
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fail "determining signed-ness of bitfields"
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gdb_suppress_tests
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}
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default {
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fail "determining signed-ness of bitfields" ;
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gdb_suppress_tests;
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}
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}
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if [gdb_test "print flags" ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -2, u2 = 0, s3 = -4, u3 = 0, s9 = -256, u9 = 0, sc = 0.*" "signed bitfields, max negative values"] {
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gdb_suppress_tests
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}
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if [gdb_test "cont" "Break.*break4 \\(\\) at .*$srcfile:$decimal.*" "continuing to break4 #2"] {
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gdb_suppress_tests
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}
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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"] {
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gdb_suppress_tests
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}
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# Hmmmm???
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gdb_stop_suppressing_tests;
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}
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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send_gdb "set print sevenbit-strings\n" ; gdb_expect -re "$gdb_prompt $"
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bitfield_uniqueness
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if [istarget "mips-idt-*"] then {
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# Restart because IDT/SIM runs out of file descriptors.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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}
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bitfield_containment
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if [istarget "mips-idt-*"] then {
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# Restart because IDT/SIM runs out of file descriptors.
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gdb_exit
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gdb_start
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| 257 |
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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}
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bitfield_unsignedness
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| 261 |
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if [istarget "mips-idt-*"] then {
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# Restart because IDT/SIM runs out of file descriptors.
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gdb_exit
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| 264 |
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gdb_start
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| 265 |
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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}
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bitfield_signedness
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