old-cross-binutils/gdb/testsuite/gdb.base/bitfields.exp
1994-06-07 01:57:15 +00:00

434 lines
12 KiB
Text

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