434 lines
12 KiB
Text
434 lines
12 KiB
Text
# Copyright (C) 1992 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 2 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, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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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 binfile "bitfields"
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set srcfile $binfile.c
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if ![file exists $objdir/$subdir/$binfile] then {
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perror "$objdir/$subdir/$binfile does not exist."
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return 0
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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 prompt
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global srcfile
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global det_file
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send "break break1\n"
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expect {
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-re "Break.* at $hex: file .*$srcfile, line $decimal.\r\n$prompt $" {}
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timeout { fail "setting breakpoint at break1" ; return }
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}
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send "run\n"
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expect {
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-re "The program .* has been started already.*y or n. $" {
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send "y\n"
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exp_continue
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}
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-re "Starting.*Break.*break1 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "running to break1" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 1 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0 .*$prompt $" {}
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timeout { fail "bitfield uniqueness (uc)" ; return }
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}
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send "cont\n"
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expect {
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-re "Break.*break1 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "continuing to break1" ; return }
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}
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send "print flags\n"
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# Note that we check for s1 as either 1 or -1, so that failure to
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# treat it correctly as a signed 1bit field (values 0 or -1) while
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# printing its value does not cause a spurious failure. We do the
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# signedness preservation test later.
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expect {
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-re ".*uc = 0 .*, s1 = (1|-1), u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0 .*$prompt $" {}
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timeout { fail "bitfield uniqueness (s1)" ; return }
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}
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send "cont\n"
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expect {
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-re "Break.*break1 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "continuing to break1" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0 .*$prompt $" {}
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timeout { fail "bitfield uniqueness (u1)" ; return }
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}
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send "cont\n"
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expect {
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-re "Break.*break1 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "continuing to break1" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0 .*$prompt $" {}
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timeout { fail "bitfield uniqueness (s2)" ; return }
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}
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send "cont\n"
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expect {
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-re "Break.*break1 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "continuing to break1" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 1, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 0 .*$prompt $" {}
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timeout { fail "bitfield uniqueness (u2)" ; return }
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}
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send "cont\n"
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expect {
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-re "Break.*break1 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "continuing to break1" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 1, u3 = 0, s9 = 0, u9 = 0, sc = 0 .*$prompt $" {}
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timeout { fail "bitfield uniqueness (s3)" ; return }
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}
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send "cont\n"
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expect {
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-re "Break.*break1 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "continuing to break1" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 1, s9 = 0, u9 = 0, sc = 0 .*$prompt $" {}
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timeout { fail "bitfield uniqueness (u3)" ; return }
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}
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send "cont\n"
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expect {
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-re "Break.*break1 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "continuing to break1" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 1, u9 = 0, sc = 0 .*$prompt $" {}
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timeout { fail "bitfield uniqueness (s9)" ; return }
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}
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send "cont\n"
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expect {
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-re "Break.*break1 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "continuing to break1" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 1, sc = 0 .*$prompt $" {}
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timeout { fail "bitfield uniqueness (u9)" ; return }
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}
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send "cont\n"
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expect {
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-re "Break.*break1 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "continuing to break1" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 0, u2 = 0, s3 = 0, u3 = 0, s9 = 0, u9 = 0, sc = 1 .*$prompt $" {}
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timeout { fail "bitfield uniqueness (sc)" ; return }
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}
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pass "bitfield locating and uniqueness"
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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 prompt
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global srcfile
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global det_file
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send "delete\n"
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expect {
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-re "Delete all breakpoints.*y or n. $" {
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send "y\n"
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expect {
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-re "$prompt $" {}
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timeout { fail "deleting breakpoints" ; return }
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}
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}
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timeout { fail "deleting breakpoints" ; return }
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}
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send "break break2\n"
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expect {
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-re "Break.* at $hex: file .*$srcfile, line $decimal.\r\n$prompt $" {}
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timeout { fail "setting breakpoint at break2" ; return }
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}
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send "run\n"
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expect {
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-re "The program .* has been started already.*y or n. $" {
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send "y\n"
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exp_continue
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}
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-re "Starting.*Break.*break2 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "running to break2" ; return }
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}
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send "print/x flags\n"
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expect {
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-re ".*uc = 0xff, s1 = 0x0, u1 = 0x1, s2 = 0x0, u2 = 0x3, s3 = 0x0, u3 = 0x7, s9 = 0x0, u9 = 0x1ff, sc = 0x0.*$prompt $" {}
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timeout { fail "bitfield containment" ; return }
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}
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send "cont\n"
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expect {
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-re "Break.*break2 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "continuing to break2" ; return }
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}
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# If program is compiled with Sun CC, then these print out as their
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# actual sizes; if compiled with gcc, they print out as 0xffffffff
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# (which strikes me as bogus, but accept it at least for now).
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send "print/x flags\n"
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expect {
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-re ".*uc = 0x0, s1 = 0x(1|f*), u1 = 0x0, s2 = 0x(3|f*), u2 = 0x0, s3 = 0x(7|f*), u3 = 0x0, s9 = 0x(1ff|f*), u9 = 0x0, sc = 0xff.*$prompt $" {}
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timeout { fail "bitfield containment" ; return }
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}
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pass "bitfield containment"
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}
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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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# FIXME: Perhaps we should test each bitfield separately so we can
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# report individual failures rather than just pass/nopass.
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proc bitfield_unsignedness {} {
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global decimal
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global hex
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global prompt
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global srcfile
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global det_file
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send "delete\n"
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expect {
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-re "Delete all breakpoints.*y or n. $" {
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send "y\n"
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expect {
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-re "$prompt $" {}
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timeout { fail "deleting breakpoints" ; return }
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}
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}
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timeout { fail "deleting breakpoints" ; return }
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}
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send "break break3\n"
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expect {
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-re "Break.* at $hex: file .*$srcfile, line $decimal.\r\n$prompt $" {}
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timeout { fail "setting breakpoint at break3" ; return }
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}
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send "run\n"
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expect {
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-re "The program .* has been started already.*y or n. $" {
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send "y\n"
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exp_continue
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}
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-re "Starting.*Break.*break3 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "running to break3" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 0 .*, s1 = 0, u1 = 1, s2 = 0, u2 = 3, s3 = 0, u3 = 7, s9 = 0, u9 = 511, sc = 0 .*$prompt $" {}
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timeout { fail "unsigned bitfield ranges" ; return }
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}
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pass "unsigned bitfield ranges and unsigned-ness"
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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 prompt
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global srcfile
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global det_file
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send "delete\n"
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expect {
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-re "Delete all breakpoints.*y or n. $" {
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send "y\n"
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expect {
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-re "$prompt $" {}
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timeout { warning "deleting breakpoints (timedout)" ; return }
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}
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}
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timeout { warning "deleting breakpoints (timedout)" ; return }
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}
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send "break break4\n"
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expect {
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-re "Break.* at $hex: file .*$srcfile, line $decimal.\r\n$prompt $" {}
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timeout { fail "setting breakpoint at break4" ; return }
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}
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send "run\n"
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expect {
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-re "The program .* has been started already.*y or n. $" {
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send "y\n"
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exp_continue
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}
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-re "Starting.*Break.*break4 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "running to break4" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 0 .*, s1 = 0, u1 = 0, s2 = 1, u2 = 0, s3 = 3, u3 = 0, s9 = 255, u9 = 0, sc = 0 .*$prompt $" {}
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timeout { fail "signed bitfields, max positive values" ; return }
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}
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send "cont\n"
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expect {
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-re "Break.*break4 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "continuing to break4" ; return }
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}
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# Determine if the target has signed bitfields so we can xfail the
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# the signed bitfield tests if it doesn't.
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send "print i\n"
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expect {
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-re ".* = -256.*$prompt $" {}
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-re ".* = 256.*$prompt $" {setup_xfail "*-*-*"}
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-re ".*$prompt $" { fail "\
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determining signed-ness of bitfields (known bug in sparc gcc 2.4.5)"
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return
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}
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default { fail "determining signed-ness of bitfields" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -2, u2 = 0, s3 = -4, u3 = 0, s9 = -256, u9 = 0, sc = 0 .*$prompt $" {}
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timeout { fail "signed bitfields, max negative values" ; return }
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}
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send "cont\n"
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expect {
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-re "Break.*break4 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
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timeout { fail "continuing to break4" ; return }
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}
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send "print flags\n"
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expect {
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-re ".*uc = 0 .*, s1 = -1, u1 = 0, s2 = -1, u2 = 0, s3 = -1, u3 = 0, s9 = -1, u9 = 0, sc = 0 .*$prompt $" {}
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timeout { fail "signed bitfields with -1" ; return }
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}
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pass "signed bitfield ranges and signed-ness"
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}
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# Start with a fresh gdb.
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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 $objdir/$subdir/$binfile
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send "set print sevenbit-strings\n" ; expect -re "$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 $objdir/$subdir/$binfile
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}
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if [istarget "a29k-*-udi"] then {
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# FIXME: If PR 2415 is fixed, this is not needed.
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gdb_target_udi
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gdb_load $objdir/$subdir/$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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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load $objdir/$subdir/$binfile
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}
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if [istarget "a29k-*-udi"] then {
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# FIXME: If PR 2415 is fixed, this is not needed.
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gdb_target_udi
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gdb_load $objdir/$subdir/$binfile
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}
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bitfield_unsignedness
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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 $objdir/$subdir/$binfile
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}
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if [istarget "a29k-*-udi"] then {
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# FIXME: If PR 2415 is fixed, this is not needed.
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gdb_target_udi
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gdb_load $objdir/$subdir/$binfile
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}
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bitfield_signedness
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if [istarget "a29k-*-udi"] then {
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# FIXME: If PR 2415 is fixed, this is not needed.
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gdb_target_udi
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}
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