330 lines
9.8 KiB
Text
330 lines
9.8 KiB
Text
# Copyright (C) 1992, 1994 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
|
|
|
|
if [gdb_test "break break1" "Break.* at $hex: file .*$srcfile, line $decimal" ""] {
|
|
fail "setting breakpoint at break1"
|
|
return
|
|
}
|
|
|
|
expect_after {
|
|
-re "Starting.*Break.*break1 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
|
|
timeout { fail "running to break1" ; return }
|
|
}
|
|
gdb_run_cmd
|
|
expect_after;
|
|
|
|
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" ""] {
|
|
fail "bitfield uniqueness (uc)"
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \[)(\]+ at .*$srcfile:$decimal" ""] {
|
|
fail "continuing to break1"
|
|
return
|
|
}
|
|
# 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" ""] {
|
|
fail "bitfield uniqueness (s1)"
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \[)(\]+ at .*$srcfile:$decimal" ""] {
|
|
fail "continuing to break1"
|
|
return
|
|
}
|
|
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" ""] {
|
|
fail "bitfield uniqueness (u1)"
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \[)(\]+ at .*$srcfile:$decimal" ""] {
|
|
fail "continuing to break1"
|
|
return
|
|
}
|
|
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" ""] {
|
|
fail "bitfield uniqueness (s2)"
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \[)(\]+ at .*$srcfile:$decimal" ""] {
|
|
fail "continuing to break1"
|
|
return
|
|
}
|
|
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" ""] {
|
|
fail "bitfield uniqueness (u2)"
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \[)(\]+ at .*$srcfile:$decimal" ""] {
|
|
fail "continuing to break1"
|
|
return
|
|
}
|
|
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" ""] {
|
|
fail "bitfield uniqueness (s3)"
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \[)(\]+ at .*$srcfile:$decimal" ""] {
|
|
fail "continuing to break1"
|
|
return
|
|
}
|
|
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" "" ] {
|
|
fail "bitfield uniqueness (u3)"
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \[)(\]+ at .*$srcfile:$decimal" ""] {
|
|
timeout { fail "continuing to break1" ; return }
|
|
}
|
|
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" "" ] {
|
|
fail "bitfield uniqueness (s9)"
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \[)(\]+ at .*$srcfile:$decimal" ""] {
|
|
fail "continuing to break1"
|
|
return
|
|
}
|
|
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" "" ] {
|
|
fail "bitfield uniqueness (u9)"
|
|
return
|
|
}
|
|
if [gdb_test "cont" "Break.*break1 \[)(\]+ at .*$srcfile:$decimal" ""] {
|
|
fail "continuing to break1"
|
|
return
|
|
}
|
|
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" "" ] {
|
|
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
|
|
|
|
delete_breakpoints
|
|
|
|
if [gdb_test "break break2" "Break.* at $hex: file .*$srcfile, line $decimal" ""] {
|
|
fail "setting breakpoint at break2"
|
|
return
|
|
}
|
|
|
|
expect_after {
|
|
-re "Starting.*Break.*break2 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
|
|
timeout { fail "running to break2" ; return }
|
|
}
|
|
gdb_run_cmd
|
|
expect_after;
|
|
|
|
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" ""] {
|
|
fail "bitfield containment"
|
|
return
|
|
}
|
|
|
|
if [gdb_test "cont" "Break.*break2 \[)(\]+ at .*$srcfile:$decimal" ""] {
|
|
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).
|
|
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" ""] {
|
|
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
|
|
|
|
delete_breakpoints
|
|
|
|
if [gdb_test "break break3" "Break.* at $hex: file .*$srcfile, line $decimal" ""] {
|
|
fail "setting breakpoint at break3"
|
|
return
|
|
}
|
|
|
|
expect_after {
|
|
-re "Starting.*Break.*break3 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
|
|
timeout { fail "running to break3" ; return }
|
|
}
|
|
gdb_run_cmd
|
|
expect_after;
|
|
|
|
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" "" ] {
|
|
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
|
|
|
|
delete_breakpoints
|
|
|
|
if [gdb_test "break break4" "Break.* at $hex: file .*$srcfile, line $decimal" ""] {
|
|
fail "setting breakpoint at break4"
|
|
return
|
|
}
|
|
|
|
expect_after {
|
|
-re "Starting.*Break.*break4 \[)(\]+ at .*$srcfile:$decimal.*$prompt $" {}
|
|
timeout { fail "running to break4" ; return }
|
|
}
|
|
gdb_run_cmd
|
|
expect_after;
|
|
|
|
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" ""] {
|
|
fail "signed bitfields, max positive values"
|
|
return
|
|
}
|
|
|
|
if [gdb_test "cont" "Break.*break4 \[)(\]+ at .*$srcfile:$decimal" "" ] {
|
|
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 }
|
|
}
|
|
|
|
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" ""] {
|
|
fail "signed bitfields, max negative values"
|
|
return
|
|
}
|
|
|
|
if [gdb_test "cont" "Break.*break4 \[)(\]+ at .*$srcfile:$decimal" ""] {
|
|
fail "continuing to break4"
|
|
return
|
|
}
|
|
|
|
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" ""] {
|
|
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
|
|
}
|
|
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
|
|
}
|
|
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
|
|
}
|
|
bitfield_signedness
|