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# Tests of register displays for GDB.

#   Copyright 1994, 1995, 2007, 2008 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 .

# Please email any bugs, comments, and/or additions to this file to:

# bug-gdb@prep.ai.mit.edu

# 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"

}