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# Tests of register displays for GDB.
# Copyright 1994-1995, 2007-2012 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 3 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, see <http://www.gnu.org/licenses/>.
# This file was written by Stan Shebs. (shebs@cygnus.com)
# This does not (yet) have an associated executable, since the IDT board
# will display registers even without a program being loaded.
# A more comprehensive register test would actually test reading
# and writing of registers in a real program, although some care
# would be required in the writing of the tests.
if $tracelevel then {
strace $tracelevel
}
# These tests exercise IDT-specific MIPS registers for several
# different processor models.
# This should detect the actual processor in use and change
# the expected results appropriately. FIXME
proc idt_register_tests { } {
# Test the generic IDT chip.
gdb_test "info registers" ".*"
gdb_test "info register zero" "zero(r0): 0x0;"
# FIXME access each generic register individually
# Test the 3041.
gdb_test "set processor r3041" ".*"
gdb_test "info registers" ".*"
gdb_test "info register bus" "bus.*0x.*"
gdb_test "info register ccfg" "ccfg.*0x.*"
gdb_test "info register port" "port.*0x.*"
gdb_test "info register cmp" "cmp.*0x.*"
gdb_test "info register elo" "elo: invalid register"
gdb_test "info register ehi" "ehi: invalid register"
gdb_test "info register cfg" "cfg: invalid register"
gdb_test "info register ctxt" "ctxt: invalid register"
# Test the 3051.
gdb_test "set processor r3051" ".*"
gdb_test "info registers" ".*"
gdb_test "info register bus" "bus: invalid register"
gdb_test "info register ccfg" "ccfg: invalid register"
gdb_test "info register port" "port: invalid register"
gdb_test "info register cmp" "cmp: invalid register"
gdb_test "info register elo" "elo.*0x.*"
gdb_test "info register ehi" "ehi.*0x.*"
gdb_test "info register cfg" "cfg: invalid register"
gdb_test "info register ctxt" "ctxt: invalid register"
# Test the 3071.
gdb_test "set processor r3071" ".*"
gdb_test "info registers" ".*"
gdb_test "info register bus" "bus: invalid register"
gdb_test "info register ccfg" "ccfg: invalid register"
gdb_test "info register port" "port: invalid register"
gdb_test "info register cmp" "cmp: invalid register"
gdb_test "info register elo" "elo.*0x.*"
gdb_test "info register ehi" "ehi.*0x.*"
gdb_test "info register cfg" "cfg.*0x.*"
gdb_test "info register ctxt" "ctxt.*0x.*"
}
if [istarget "mips*-idt-*"] then {
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
idt_register_tests
} else {
verbose "regs.exp tests ignored for this target"
}
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