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# Copyright 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 .

if {[gdb_skip_xml_test]} {

    unsupported "tdesc-regs.exp"

    return -1

}

gdb_start

# To test adding registers, we need a core set of registers for this

# architecture, or the description will be rejected.

set core-regs ""

set regdir ""

switch -glob -- [istarget] {

    "*arm-*-*" {

        set core-regs {arm-core.xml}

    }

    "xscale-*-*" {

        set core-regs {arm-core.xml}

    }

    "mips*-*-*" {

        set core-regs {mips-cpu.xml mips-cp0.xml mips-fpu.xml}

    }

    "powerpc*-*-*" {

        set regdir "rs6000/"

        set core-regs {power-core.xml}

    }

}

# If no core registers were specified, assume this target does not

# support target-defined registers.  Verify that we get a warning if

# we try to use them.  This not only tests the warning, but also

# reminds maintainers to add test support when they add the feature.

if {[string equal ${core-regs} ""]} {

    gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \

        "warning: Target-supplied registers are not supported.*" \

        "set tdesc file single-reg.xml"

    unsupported "register tests"

    return 0

}

# Otherwise, we support both XML and target defined registers.

# Make sure we reject a description missing standard registers,

# like the PC.

gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \

    "warning: Architecture rejected target-supplied description" \

    "set tdesc file single-reg.xml"

# Copy the core registers into the objdir if necessary, so that they

# will be found by .

foreach src ${core-regs} {

    file delete "$src"

    file copy "$srcdir/../features/$regdir$src" "$src"

}

# Similarly, we need to copy files under test into the objdir.

proc load_description { file errmsg } {

    global srcdir

    global subdir

    global gdb_prompt

    global core-regs

    file delete "regs.xml"

    set ifd [open "$srcdir/$subdir/$file" r]

    set ofd [open "regs.xml" w]

    while {[gets $ifd line] >= 0} {

        if {[regexp {} $line]} {

            foreach src ${core-regs} {

                puts $ofd "  "

            }

        } else {

            puts $ofd $line

        }

    }

    close $ifd

    close $ofd

    # Anchor the test output, so that error messages are detected.

    set cmd "set tdesc filename regs.xml"

    set msg "set tdesc filename $file"

    set cmd_regex [string_to_regexp $cmd]

    gdb_test_multiple $cmd $msg {

        -re "^$cmd_regex\r\n$errmsg$gdb_prompt $" {

            pass $msg

        }

    }

}

load_description "extra-regs.xml" ""

gdb_test "ptype \$extrareg" "type = (int|long|long long)"

gdb_test "ptype \$uintreg" "type = uint32_t"

gdb_test "ptype \$vecreg" "type = int8_t \\\[4\\\]"

gdb_test "ptype \$unionreg" \

    "type = union {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"

gdb_test "ptype \$unionreg.v4" "type = int8_t \\\[4\\\]"

load_description "core-only.xml" ""

# The extra register from the previous description should be gone.

gdb_test "ptype \$extrareg" "type = void"

foreach src ${core-regs} {

    file delete "$src"

}

file delete "regs.xml"